CN104980878A - Method for manufacturing printed flexible film loudspeaker - Google Patents
Method for manufacturing printed flexible film loudspeaker Download PDFInfo
- Publication number
- CN104980878A CN104980878A CN201510332478.9A CN201510332478A CN104980878A CN 104980878 A CN104980878 A CN 104980878A CN 201510332478 A CN201510332478 A CN 201510332478A CN 104980878 A CN104980878 A CN 104980878A
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Abstract
The invention provides a method for manufacturing a printed flexible film loudspeaker. A printed sounding system and a printing ink conductor are adopted, which makes a loudspeaker simple in structure, light and thin, and bendable and foldable and have the characteristics of being low in energy consumption, low in cost, and green and environment-friendly. Therefore, the application field of the loudspeaker is broadened, and the loudspeaker has extremely extensive application prospect in multiple aspects such as micro earphones, sounding books, braille books, photos, billboards, leaflets, luxury packaging and intelligent toys.
Description
Technical field
The invention belongs to loud speaker and manufacture field, particularly a kind of manufacture method of printed flexible wafer speaker.
Background technology
Traditional loud speaker is all adopt electricity device composition, and govern the simplification of its volume and structure, cost of manufacture is high, and material source is rare, and in technique making, be tending towards ripe, seeking the new technique of new material is the task of top priority.
Summary of the invention
For background technology Problems existing, the invention provides a kind of manufacture method of printed flexible wafer speaker.The present invention adopts generation systems and the printing-ink wire of printing form, to simplify the structure of loud speaker, makes traditional hard electromagnetic loudspeaker realize flexibility.The technique of the present invention's printing realizes the printing of flexible speaker control circuitry, conductive coil, magnetic oil layer of ink.With the magnetosphere of printing magnetic ink as loud speaker, then based on there being the principle of multiple magnetic domain in magnetic material, magnetization strengthens magnetic, is then magnetized by magnetic ink.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A manufacture method for printed flexible wafer speaker, comprises following content; Adopt the technique of printing real
The printing of wire in sonification system and control circuit in existing flexible loud speaker.
The printing process that the technique that described employing is printed realizes sonification system in flexible loud speaker is as follows: utilize electricity
The principle of magnetic loudspeaker, two flexible substrates films print conductive coil and magnetic material layer respectively, on the film film being printed with conductive coil being suspended from be printed with magnetic material layer, again the surrounding point rubber seal of two flexible substrates films filled and leave air chamber between two flexible substrates films, making the coil of energising drive air chamber vibration sounding under the influence of a magnetic field.
Described printing conductive coil comprises directly printing and indirect printing two kinds of modes;
Described direct printing is: utilized by electrically conductive ink silk screen printing or offset printing to be directly printed onto on stock-flexible substrates film;
Described indirect printing is: on flexible substrates film, overlying aluminum layer makes aluminium foil, preparation tin printing ink,
Adopt silk screen printing on aluminium foil, print spiral conductive coil, utilize tin printing ink not react with NaOH, and the characteristic that aluminium and NaOH react, carry out chemical etching, the part do not covered by tin printing ink is very fast reacts with aluminium lamination, and capped aluminium lamination then remains, formation coil; Along with reaction is carried out, the tackness of tin printing ink reduces, and can automatically disengage film, form spiral helicine aluminum conductive coil.
The described magnetic material layer that prints on flexible substrates film comprises following process;
With the NdFeB magnetic powder do not magnetized, chlorinated EVA resin, 783 mixed solvents print on printing equipment, then dry: preparation is in advance containing the mixed chlorinated EVA resin liquid of 10% ~ 30% chlorinated EVA resin and 70% ~ 90% 783 solution, preparation contains the Neodymium iron boron magnetic ink of 70% ~ 90% NdFeB magnetic powder and 10% ~ 30% chlorinated EVA solution again, then print on PET fexible film, last based on the principle having multiple magnetic domain in magnetic material, magnetize in level and vertical both direction with kicker magnet, magnetic material layer.
Wire in described control circuit is formed by electrically conductive ink printing.
Described two panels flexible substrates film adopts PET film or paper substrate; And the area being printed with the film of conductive coil is greater than the area of the film being printed with magnetic material layer, so that some rubber seal dress.
Utilize the loud speaker that the inventive method manufactures, it comprises the power supply, control circuit, the generation systems that connect successively; Described generation systems comprises two panels and to undertake the printing of film, be respectively film 1 of undertaking the printing of, film 2 of undertaking the printing of, undertaking the printing of film 1 is provided with adopts mode of printing electrically conductive ink to be printed on the conductive coil that film is formed, undertake the printing of on film 2 and be provided with magnetic material layer, magnetic material layer at the film 1 of undertaking the printing of be packaged together, undertake the printing of between film 2, and the size of magnetic material layer is corresponding with conductive coil with position.
The position relationship of described conductive coil and flexible film 1 of undertaking the printing of comprise conductive coil above film 1 of undertaking the printing of or conductive coil below film 1 of undertaking the printing of or conductive coil be distributed in film 1 both sides of undertaking the printing of and form one in coil three kinds of forms that bilayer is communicated with.
Described control circuit comprises the soft-touch control, light-emitting diode, music single-chip microcomputer, the amplifier that connect successively; Soft-touch control, light-emitting diode are connected with power supply respectively, and amplifier is connected with conductive coil, and the wire by being formed by printing conductive inks between soft-touch control, light-emitting diode, music single-chip microcomputer, amplifier connects.
Compared with prior art, the present invention adopts generation systems and the printing-ink wire of printing form, there is the feature of simple, frivolous, flexible folding, the low power consuming of structure, low cost, environmental protection, thus widen the application of loud speaker, there is application prospect very widely in many aspects such as micro earpieces, voice book, books for the blind, photo, billboard, promotional pamphlet, luxury goods packaging, intelligent toys.
Accompanying drawing explanation
Fig. 1 is the structure chart of the loud speaker that the present invention makes;
Fig. 2 is each anatomical connectivity schematic diagram of loud speaker that the present invention makes;
Fig. 3 is that conductive coil is schemed above film 1 of undertaking the printing of;
Fig. 4 is that conductive coil is schemed below film 1 of undertaking the printing of;
Fig. 5 is the circuit diagram that conductive coil is distributed in that film 1 both sides of undertaking the printing of form double-deck connection;
Wherein, 1-power supply, 2-control circuit, 3-sonification system, the 4-film 1,5 of undertaking the printing of-film 2 of undertaking the printing of, 6-conductive coil, 7-magnetic material, 8-encapsulation point glue.
Embodiment
Below in conjunction with embodiment shown in the drawings, the present invention will be further described.
The present invention adopts the technique of printing to realize the print of wire in sonification system and control circuit in flexible loud speaker
System.
The printing process that the technique that employing is printed realizes sonification system in flexible loud speaker is as follows: utilize electromagnetic type to raise
The principle of sound device, two flexible substrates films print conductive coil and magnetic material layer respectively, on the film film being printed with conductive coil being suspended from be printed with magnetic material layer, again the surrounding point rubber seal of two flexible substrates films filled and leave air chamber between two flexible substrates films, making the coil of energising drive air chamber vibration sounding under the influence of a magnetic field.
Printing conductive coil comprises directly printing and indirect printing two kinds of modes;
Described direct printing is: utilized by electrically conductive ink silk screen printing or offset printing to be directly printed onto on stock-flexible substrates film;
Described indirect printing (washing aluminium) is: on flexible substrates film, overlying aluminum layer makes aluminium foil, preparation tin printing ink, adopt silk screen printing on aluminium foil, print spiral conductive coil, tin printing ink is utilized not react with NaOH, and the characteristic that aluminium and NaOH react, carry out chemical etching, the very fast and aluminium lamination of the part do not covered by tin printing ink reacts, capped aluminium lamination then remains, and forms coil; Along with reaction is carried out, the tackness of tin printing ink reduces, and can automatically disengage film, form spiral helicine aluminum conductive coil.
Flexible substrates film prints magnetic material layer and comprises following process;
With the NdFeB magnetic powder do not magnetized, chlorinated EVA resin, 783 mixed solvents print on printing equipment, then dry: preparation is in advance containing the mixed chlorinated EVA resin liquid of 10% ~ 30% chlorinated EVA resin and 70% ~ 90% 783 solution, preparation contains the Neodymium iron boron magnetic ink of 70% ~ 90% NdFeB magnetic powder and 10% ~ 30% chlorinated EVA solution again, then print on PET fexible film, last based on the principle having multiple magnetic domain in magnetic material, magnetize in level and vertical both direction with kicker magnet, magnetic material layer.
Wire in control circuit is formed by electrically conductive ink printing.
Two panels flexible substrates film adopts PET film or paper substrate; And the area being printed with the film of conductive coil is greater than the area of the film being printed with magnetic material layer, so that some rubber seal dress.
From structural point, loud speaker is described in detail below:
1, flexible substrates (that is: film 1 of undertaking the printing of, film 2 of undertaking the printing of): adopt PET film, the flexible materials such as paper substrate are as substrate.
2, magnetic material: have bi-material available;
(1) with printing magnetic ink as the magnetosphere of loud speaker, be imprinted in flexo substrate.As shown in Fig. 3,4,5;
(2) adjuvant such as magnetic material and rubber is merged the flexible magnetic adhesive tape made.
3, encapsulation point glue
Track ring layer (that is: film 1 of undertaking the printing of) is with the package design of magnetic material layer (that is: film 2 of undertaking the printing of), the area of film 1 of undertaking the printing of is utilized to be greater than the area of film 2 of undertaking the printing of, then some glue is adopted film edge to encapsulate, coil layer is made to leave air chamber, as the generation systems of loud speaker.
4, conductive coil
Adopt mode of printing to be printed on by electrically conductive ink, form conductive coil, as the vibrational system of loud speaker.The position relationship of coil and flexible substrates has three kinds: (1) conductive coil is side on a flexible substrate, if figure tri-(2) conductive coil is below flexible substrates, forms the double-deck coil be communicated with, as figure five as figure tetra-(3) conductive coil is distributed in flexible substrates both sides.
5, control circuit
Control circuit by soft-touch control, chip, the compositions such as amplifier, the wire formed by printing conductive inks connect, form control circuit; Chip part adopts flexibility to make Bumping Technology and encapsulates.
6, flexible electrical source module
The whole workflow adopting flexible power supply to be loud speaker provides DC power supply.
Flexible effect analysis:
Control circuit printed portions wire can realize flexible bending, chip part due to its area less be less than the 1 square centimeter bending effect not affecting fexible film; Printed coil is on 38 μm of thick PET fexible films, and the PET film or the flexible magnetic adhesive tape that are printed on magnetic ink serve as magnetic material layer, and realize frivolous flexible, degree of crook can reach more than 90 degree.
Film of undertaking the printing of adopts PET(Polyethylene terephthalate, is commonly called as polyester resin) film.It is the condensation polymer of terephthalic acid (TPA) and ethylene glycol, is referred to as thermoplastic polyester together with PBT, or saturated polyester.PET is the polymer of milky or light yellow highly crystalline, surface smoothing and glossy.Have good mechanical property, impact strength is 3 ~ 5 times of other films, and folding resistance is good, effectively prevent coil vibration and causes stock to destroy, meet flexible requirement simultaneously.
Claims (6)
1. a manufacture method for printed flexible wafer speaker, is characterized in that: comprise following content;
The technique of printing is adopted to realize the printing of wire in sonification system and control circuit in flexible loud speaker.
2. the manufacture method of a kind of printed flexible wafer speaker according to claim 1, is characterized in that: the printing process that the technique that described employing is printed realizes sonification system in flexible loud speaker is as follows:
Utilize the principle of electromagnetic loudspeaker, two flexible substrates films print conductive coil and magnetic material layer respectively, on the film film being printed with conductive coil being suspended from be printed with magnetic material layer, again the surrounding point rubber seal of two flexible substrates films filled and leave air chamber between two flexible substrates films, making the coil of energising drive air chamber vibration sounding under the influence of a magnetic field.
3. the manufacture method of a kind of printed flexible wafer speaker according to claim 2, is characterized in that: described printing conductive coil comprises directly printing and indirect printing two kinds of modes;
Described direct printing is: utilized by electrically conductive ink silk screen printing or offset printing to be directly printed onto on stock-flexible substrates film;
Described indirect printing is: on flexible substrates film, overlying aluminum layer makes aluminium foil, preparation tin printing ink, adopt silk screen printing on aluminium foil, print spiral conductive coil, it does not react with NaOH to utilize tin printing ink, and the characteristic that aluminium and NaOH react, carry out chemical etching, the very fast and aluminium lamination of the part do not covered by tin printing ink reacts, capped aluminium lamination then remains, and forms coil; Along with reaction is carried out, the tackness of tin printing ink reduces, and can automatically disengage film, form spiral helicine aluminum conductive coil.
4. the manufacture method of a kind of printed flexible wafer speaker according to claim 3, is characterized in that: the described magnetic material layer that prints on flexible substrates film comprises following process;
With the NdFeB magnetic powder do not magnetized, chlorinated EVA resin, 783 mixed solvents print on printing equipment, then dry: preparation is in advance containing the mixed chlorinated EVA resin liquid of 10% ~ 30% chlorinated EVA resin and 70% ~ 90% 783 solution, preparation contains the Neodymium iron boron magnetic ink of 70% ~ 90% NdFeB magnetic powder and 10% ~ 30% chlorinated EVA solution again, then print on PET fexible film, last based on the principle having multiple magnetic domain in magnetic material, magnetize in level and vertical both direction with kicker magnet, magnetic material layer.
5. the manufacture method of a kind of printed flexible wafer speaker according to claim 4, is characterized in that: the wire in described control circuit is formed by electrically conductive ink printing.
6. the manufacture method of a kind of printed flexible wafer speaker according to claim 5, is characterized in that:
Described two panels flexible substrates film adopts PET film or paper substrate; And the area being printed with the film of conductive coil is greater than the area of the film being printed with magnetic material layer, so that some rubber seal dress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510332478.9A CN104980878A (en) | 2015-06-16 | 2015-06-16 | Method for manufacturing printed flexible film loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332478.9A CN104980878A (en) | 2015-06-16 | 2015-06-16 | Method for manufacturing printed flexible film loudspeaker |
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| CN104980878A true CN104980878A (en) | 2015-10-14 |
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| CN201510332478.9A Pending CN104980878A (en) | 2015-06-16 | 2015-06-16 | Method for manufacturing printed flexible film loudspeaker |
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Cited By (25)
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| CN105246011A (en) * | 2015-11-02 | 2016-01-13 | 李崇 | Photo frame with sound box function |
| CN105744449A (en) * | 2016-01-06 | 2016-07-06 | 吴泓均 | Film speaker and manufacturing method thereof |
| US10531977B2 (en) | 2014-04-17 | 2020-01-14 | Coloplast A/S | Thermoresponsive skin barrier appliances |
| US10849781B2 (en) | 2017-12-22 | 2020-12-01 | Coloplast A/S | Base plate for an ostomy appliance |
| US11534323B2 (en) | 2017-12-22 | 2022-12-27 | Coloplast A/S | Tools and methods for placing a medical appliance on a user |
| US11540937B2 (en) | 2017-12-22 | 2023-01-03 | Coloplast A/S | Base plate and sensor assembly of a medical system having a leakage sensor |
| US11547596B2 (en) | 2017-12-22 | 2023-01-10 | Coloplast A/S | Ostomy appliance with layered base plate |
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| US11607334B2 (en) | 2017-12-22 | 2023-03-21 | Coloplast A/S | Base plate for a medical appliance, a monitor device and a system for a medical appliance |
| US11612508B2 (en) | 2017-12-22 | 2023-03-28 | Coloplast A/S | Sensor assembly part for a medical appliance and a method for manufacturing a sensor assembly part |
| US11612512B2 (en) | 2019-01-31 | 2023-03-28 | Coloplast A/S | Moisture detecting base plate for an ostomy appliance and a system for determining moisture propagation in a base plate and/or a sensor assembly part |
| US11628084B2 (en) | 2017-12-22 | 2023-04-18 | Coloplast A/S | Sensor assembly part and a base plate for a medical appliance and a device for connecting to a base plate or a sensor assembly part |
| US11627891B2 (en) | 2017-12-22 | 2023-04-18 | Coloplast A/S | Calibration methods for medical appliance tools |
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| CN105246011A (en) * | 2015-11-02 | 2016-01-13 | 李崇 | Photo frame with sound box function |
| CN105744449A (en) * | 2016-01-06 | 2016-07-06 | 吴泓均 | Film speaker and manufacturing method thereof |
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Application publication date: 20151014 |
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