技术领域technical field
本发明属于扬声器制造领域，特别涉及一种印刷型柔性薄膜扬声器。The invention belongs to the field of loudspeaker manufacturing, in particular to a printed flexible film loudspeaker.
背景技术Background technique
扬声器作为重要的电子元件，从扬声器单元的结构材料，到整个扬声器系统，从理论研究到生产制造再到具体应用，从经验研究到参数化分析再到计算机建模仿真，扬声器技术逐渐走向成熟。As an important electronic component, the loudspeaker technology gradually matures from the structural material of the loudspeaker unit to the entire loudspeaker system, from theoretical research to manufacturing to specific applications, from empirical research to parametric analysis to computer modeling and simulation.
现在的扬声器主要分为电磁式扬声器、压电式扬声器、电极式扬声器和等离子体扬声器，其中电磁式扬声器使用最为广泛，利用电磁感应原理发声。除此以外其他几种扬声器也分别在不同的领域发挥着作用，但是都存在着不同的问题等待着解决。Current speakers are mainly divided into electromagnetic speakers, piezoelectric speakers, electrode speakers and plasma speakers, among which electromagnetic speakers are the most widely used and use the principle of electromagnetic induction to produce sound. In addition to this, other kinds of loudspeakers also play a role in different fields, but there are different problems waiting to be solved.
电子产品正在向着更加轻巧的方向发展，电子书等新兴产品被广大消费者所接受，但是传统笨重的扬声器以及无法适应电子产品的需求，更薄更轻巧的新型扬声器成为电子产品的首要选择，所以简化扬声器的结构，使扬声器轻巧化已经成为扬声器的主要研发方向之一。Electronic products are developing in a more lightweight direction. Emerging products such as e-books are accepted by consumers, but traditional bulky speakers and cannot meet the needs of electronic products. Thinner and lighter new speakers have become the primary choice for electronic products, so Simplifying the structure of the loudspeaker and making the loudspeaker lightweight has become one of the main research and development directions of the loudspeaker.
发明内容Contents of the invention
针对背景技术存在的问题，本发明提供一种印刷型柔性薄膜扬声器，通过简化扬声器的结构，使传统的硬质电磁式扬声器实现柔性化。Aiming at the problems in the background technology, the present invention provides a printed flexible film speaker, which makes the traditional rigid electromagnetic speaker flexible by simplifying the structure of the speaker.
为解决上述技术问题，本发明采用如下技术方案：In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:
一种印刷型柔性薄膜扬声器，包括依次连接的电源、控制电路、发声系统；A printed flexible film loudspeaker, including a power supply, a control circuit, and a sounding system connected in sequence;
所述发声系统包括两片承印薄膜，分别为承印薄膜1、承印薄膜2，承印薄膜1上设置有采用印刷方式将导电油墨印制在薄膜上形成的导电线圈，承印薄膜2上设置有磁性材料层，磁性材料层位于封装在一起的承印薄膜1、承印薄膜2之间，且磁性材料层的大小和位置与导电线圈相对应。The sounding system includes two printing films, respectively printing film 1 and printing film 2, the printing film 1 is provided with a conductive coil formed by printing conductive ink on the film, and the printing film 2 is provided with a magnetic material The magnetic material layer is located between the printed film 1 and the printed film 2 packaged together, and the size and position of the magnetic material layer correspond to the conductive coil.
所述导电线圈与柔性承印薄膜1的位置关系包括导电线圈在承印薄膜1上方The positional relationship between the conductive coil and the flexible printing film 1 includes that the conductive coil is above the printing film 1
或导电线圈在承印薄膜1下方或导电线圈分布于承印薄膜1两侧构成双层连通的线圈三种形式中的一种。Either the conductive coil is under the printing film 1 or the conductive coil is distributed on both sides of the printing film 1 to form a double-layer connected coil.
所述控制电路包括依次连接的触摸开关、发光二极管、音乐单片机、放大器；The control circuit includes a touch switch, a light-emitting diode, a music single-chip microcomputer, and an amplifier connected in sequence;
触摸开关、发光二极管分别与电源连接，放大器与导电线圈连接，触摸开关、发光二极管、音乐单片机、放大器之间通过由印刷导电油墨形成的导线连接。The touch switch and the light-emitting diode are respectively connected to the power supply, the amplifier is connected to the conductive coil, and the touch switch, the light-emitting diode, the music single-chip microcomputer and the amplifier are connected through a wire formed by printing conductive ink.
所述两片承印薄膜采用PET薄膜或者纸基。The two printing films are made of PET film or paper base.
所述磁性材料包括磁性油墨或者磁胶条中的一种。The magnetic material includes one of magnetic ink or magnetic glue strip.
所述承印薄膜1的面积大于承印薄膜2的面积。The area of the printing film 1 is larger than that of the printing film 2 .
与现有技术相比，本发明具有以下优点和有益效果：Compared with the prior art, the present invention has the following advantages and beneficial effects:
本发明采用印刷形式的发声系统及印刷油墨导线，具有结构简单、轻薄、可弯曲折叠、低耗能、低成本、绿色环保的特点，从而拓宽扬声器的应用领域，在微型耳机、发声书、盲文书、照片、广告牌、宣传单、奢侈品包装、智能玩具等多个方面有极为广泛的应用前景。The present invention adopts the printed sound system and the printed ink wire, which has the characteristics of simple structure, light and thin, bendable and foldable, low energy consumption, low cost, and environmental protection, thereby broadening the application field of the speaker. Books, photos, billboards, leaflets, luxury packaging, smart toys and many other aspects have extremely broad application prospects.
附图说明Description of drawings
图1为本发明的结构图；Fig. 1 is a structural diagram of the present invention;
图2为本发明各结构连接原理图；Fig. 2 is each structural connection schematic diagram of the present invention;
图3为导电线圈在承印薄膜1上方图；Fig. 3 is the top view of the conductive coil on the printing film 1;
图4为导电线圈在承印薄膜1下方图；Fig. 4 is a diagram of the conductive coil under the printing film 1;
图5为导电线圈分布于承印薄膜1两侧构成双层连通的线圈图；FIG. 5 is a coil diagram in which conductive coils are distributed on both sides of the printing film 1 to form a double-layer connection;
其中，1—电源、2—控制电路、3—发声系统、4—承印薄膜1、5—承印薄膜2、6—导电线圈、7—磁性材料、8—封装点胶。Among them, 1—power supply, 2—control circuit, 3—sounding system, 4—printing film 1, 5—printing film 2, 6—conductive coil, 7—magnetic material, 8—package dispensing.
具体实施方式Detailed ways
下面结合附图所示的实施例，对本发明做进一步说明。 The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
一．本发明的各个柔性结构介绍one. Each flexible structure of the present invention is introduced
1、柔性基底（即：承印薄膜1、承印薄膜2）：采用PET薄膜，纸基等柔性材料作为基底。1. Flexible substrate (namely: printing film 1, printing film 2): PET film, paper base and other flexible materials are used as the substrate.
2、磁性材料：有两种材料可供选择；2. Magnetic material: There are two kinds of materials to choose from;
（1）用印刷磁性油墨作为扬声器的磁性层，印在柔印基底上。如图3、4、5所示；(1) Use printed magnetic ink as the magnetic layer of the speaker, printed on the flexo substrate. As shown in Figure 3, 4, 5;
（2）将磁性材料和橡胶等辅助剂融合制作的柔性磁胶条。(2) Flexible magnetic strips made by fusing magnetic materials and auxiliary agents such as rubber.
3、封装点胶3. Package dispensing
印刷线圈层（即：承印薄膜1）与磁性材料层（即：承印薄膜2）的封装设计中，利用承印薄膜1的面积大于承印薄膜2的面积，然后将薄膜四周边缘采用点胶进行封装，使线圈层留有空气腔，作为扬声器的支撑系统。In the packaging design of the printed coil layer (ie: printing film 1) and the magnetic material layer (ie: printing film 2), the area of the printing film 1 is larger than the area of the printing film 2, and then the surrounding edges of the film are sealed by dispensing. Leave an air cavity in the coil layer as a support system for the speaker.
4、导电线圈4. Conductive coil
采用印刷方式将导电油墨印制在上，形成导电线圈，作为扬声器的振动系统。线圈与柔性基底的位置关系有三种：（1）导电线圈在柔性基底上方，如图三（2）导电线圈在柔性基底下方，如图四（3）导电线圈分布于柔性基底两侧构成双层连通的线圈，如图五。The conductive ink is printed on the surface by printing to form a conductive coil, which is used as the vibration system of the speaker. There are three positional relationships between the coil and the flexible substrate: (1) The conductive coil is above the flexible substrate, as shown in Figure 3 (2) The conductive coil is below the flexible substrate, as shown in Figure 4 (3) The conductive coil is distributed on both sides of the flexible substrate to form a double layer Connected coils, as shown in Figure 5.
5、控制电路5. Control circuit
控制电路由触摸开关，芯片,放大器等组成，由印刷导电油墨形成的导线连接，构成控制电路。The control circuit is composed of touch switches, chips, amplifiers, etc., and is connected by wires formed by printing conductive ink to form a control circuit.
6、柔性电源模块6. Flexible power module
采用柔性电源为扬声器的整个工作流程提供直流电源。 A flexible power supply is used to provide DC power for the entire working process of the speaker.
二．柔性效果分析two. Flexibility Analysis
控制电路部分印刷导线可实现柔性弯曲，芯片部分由于其面积较小为1平方厘米以下不影响柔性薄膜的弯曲效果；印刷线圈在38μm 厚的PET柔性薄膜上，印有磁性油墨的PET薄膜或者柔性磁胶条充当磁性材料层，实现轻薄可弯曲，弯曲程度可达90度以上。The printed wires of the control circuit can be flexibly bent, and the chip part does not affect the bending effect of the flexible film due to its small area of less than 1 square centimeter; the printed coil is on a 38 μm thick PET flexible film, PET film printed with magnetic ink or flexible The magnetic adhesive strip acts as a magnetic material layer, making it thin and flexible, and the bending degree can reach more than 90 degrees.
承印薄膜采用PET（Polyethylene terephthalate ，俗称涤纶树脂）薄膜。它是对苯二甲酸与乙二醇的缩聚物，与PBT一起统称为热塑性聚酯，或饱和聚酯。PET是乳白色或浅黄色高度结晶性的聚合物，表面平滑而有光泽。有良好的力学性能，冲击强度是其他薄膜的3~5倍，耐折性好，有效避免了线圈振动造成承印物破坏，同时满足了柔性的要求。The printing film adopts PET (Polyethylene terephthalate, commonly known as polyester resin) film. It is a condensation polymer of terephthalic acid and ethylene glycol, and together with PBT, it is collectively referred to as thermoplastic polyester, or saturated polyester. PET is a milky white or light yellow highly crystalline polymer with a smooth and shiny surface. It has good mechanical properties, the impact strength is 3~5 times that of other films, and the folding resistance is good, which effectively avoids the damage of the substrate caused by the vibration of the coil, and at the same time meets the requirements of flexibility.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333096.8ACN104902399A (en) | 2015-06-16 | 2015-06-16 | Printing type flexible film speaker |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333096.8ACN104902399A (en) | 2015-06-16 | 2015-06-16 | Printing type flexible film speaker |
| Publication Number | Publication Date |
|---|---|
| CN104902399Atrue CN104902399A (en) | 2015-09-09 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510333096.8APendingCN104902399A (en) | 2015-06-16 | 2015-06-16 | Printing type flexible film speaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20150909 |