A transparent linear vibration driver and array

Abstract

The present application relates to a kind of transparent linear vibration driver and array, internal structure includes cantilever beam, vibrating mass, first coil, second coil and support frame being transparent material;The first coil is fixedly arranged on the top surface of the vibrating mass, the top surface of the vibrating mass is connected with the cantilever beam;The cantilever beam is buckled on one side of the support frame, the other side of the support frame is provided with the second coil;When the first coil and the second coil receive AC signal simultaneously, the first coil and the second coil generate alternating magnetic field;The first coil is used to drive the vibrating mass to vibrate on the cantilever beam perpendicular to the direction of the cantilever beam under the action of the alternating magnetic field, to form vibration energy and output.The present application can realize the full transparent of linear vibration driver and array, and expand the application range of linear vibration driver.

Description

Technical Field

[0001] The embodiments described in this invention generally relate to the field of vibration tactile feedback devices, and more specifically, to a transparent linear vibration driver and array. Background Technology

[0002] Many electronic devices use linear vibration drivers to provide overall tactile feedback by shaking or vibrating the device's casing. For example, many mobile phones can be set to vibration mode, so that the phone body (e.g., the casing) vibrates when a call is received, instead of emitting an audible ringtone. Linear vibration drivers typically vibrate the entire device and / or casing, thereby providing overall tactile feedback.

[0003] In current technologies, linear vibration actuators are mostly oscillators with metal shells that are completely opaque, which limits their application range. Summary of the Invention

[0004] To overcome the shortcomings of the prior art, the purpose of this invention is to provide a transparent linear vibration driver and array.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] A transparent linear vibration actuator includes a cantilever beam, a vibrating mass, a first coil, a second coil, and a support frame, all made of transparent material; the first coil is fixedly disposed on the top surface of the vibrating mass, and the top surface of the vibrating mass is in close contact with the cantilever beam; the cantilever beam is fastened to one side of the support frame, and the second coil is disposed on the other side of the support frame;

[0007] When the first coil and the second coil simultaneously receive an alternating current signal, both the first coil and the second coil generate an alternating magnetic field. The first coil is used to drive the vibrating mass to vibrate on the cantilever beam in a direction perpendicular to the cantilever beam under the action of the alternating magnetic field, so as to generate vibration energy for output.

[0008] Preferably, it also includes a support made of transparent material; the second coil is fixedly disposed on the top surface of the support; the support is fastened to the other side of the support frame.

[0009] Preferably, it also includes a transparent wire; both the first coil and the second coil are connected to a signal source that generates the AC signal through the wire; the AC signal is used to power the first coil and the second coil and control the frequency of the vibration.

[0010] Preferably, the material used to prepare the wire includes tin indium oxide or a conductive organic material.

[0011] Preferably, the materials used to prepare the cantilever beam, the vibrating mass, and the support frame include polydimethylsiloxane.

[0012] A transparent linear vibration actuator array, comprising at least two of the aforementioned linear vibration actuators.

[0013] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0014] This invention provides a transparent linear vibration actuator and array. Its internal structure includes a cantilever beam (all made of transparent material), a vibrating mass, a first coil, a second coil, and a support frame. The first coil is fixedly mounted on the top surface of the vibrating mass, which is in close contact with the cantilever beam. The cantilever beam is fastened to one side of the support frame, and the second coil is located on the other side of the support frame. When both the first and second coils simultaneously receive an alternating current signal, they both generate an alternating magnetic field. The first coil, under the influence of the alternating magnetic field, drives the vibrating mass to vibrate on the cantilever beam in a direction perpendicular to the cantilever beam, thereby generating vibrational energy for output. This invention achieves complete transparency for the linear vibration actuator and array, expanding the application range of linear vibration actuators. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 An exploded view of the linear vibration actuator in an embodiment of the present invention.

[0017] Symbol explanation:

[0018] 1-Cantilever beam, 2-Vibrating mass, 3-First coil, 4-Second coil, 5-Support frame, 6-Support. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] The terms "first," "second," "third," and "fourth," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, including a series of steps, processes, methods, etc., is not limited to the steps listed, but may optionally include steps not listed, or may optionally include other steps inherent to these processes, methods, products, or devices.

[0022] The purpose of this invention is to provide a transparent linear vibration actuator and array, which can achieve full transparency of the linear vibration actuator and array, thus expanding the application range of the linear vibration actuator.

[0023] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Figure 1 An exploded view of the linear vibration actuator in the embodiments provided by the present invention, as shown below. Figure 1 As shown, this invention provides a transparent linear vibration actuator, comprising a cantilever beam 1 (both made of transparent material), a vibrating mass 2, a first coil 3, a second coil 4, a support frame 5, a support 6, and wires. The first coil 3 is fixedly disposed on the top surface of the vibrating mass 2, and the top surface of the vibrating mass 2 is in close contact with the cantilever beam 1. The cantilever beam 1 is fastened to one side of the support frame 5, and the second coil 4 is disposed on the other side of the support frame 5. The second coil 4 is fixedly disposed on the top surface of the support 6; the support 6 is fastened to the other side of the support frame 5. Both the first coil 3 and the second coil 4 are connected to a signal source that generates the alternating current signal via the wires; the alternating current signal is used to power the first coil 3 and the second coil 4 and control the frequency of the vibration.

[0025] When the first coil 3 and the second coil 4 simultaneously receive an alternating current signal, both the first coil 3 and the second coil 4 generate an alternating magnetic field. The first coil 3 is used to drive the vibrating mass 2 to vibrate on the cantilever beam 1 in a direction perpendicular to the cantilever beam 1 under the action of the alternating magnetic field, so as to generate vibration energy for output.

[0026] Specifically, the linear vibration actuator in this embodiment is also called a transparent oscillator. The oscillator mainly includes five elements: a cantilever beam 1, a vibrating mass 2, a magnetic field force coil (first coil 3), a magnetic field active coil (second coil 4), and a support frame 5. All five elements are made of transparent materials. At the same time, the transparent vibration actuator can be made in any shape, such as a button cylinder, a square, etc.

[0027] Furthermore, the magnetic field force coil is bonded to the mass body, and then to the cantilever beam 1 structure; the magnetic field active coil is bonded to the support 6; and the three parts of the structure are then stacked together to form a transparent oscillator.

[0028] The working principle of this embodiment is as follows:

[0029] When both the active magnetic field coil and the force-bearing magnetic field coil are simultaneously energized with alternating current, they generate alternating magnetic fields around them. Due to the interaction of magnetic forces, the force-bearing magnetic field coil drives the vibrating mass 2 to vibrate up and down in the cantilever beam 1, generating vibrational energy that is output externally. The vibration frequency is determined by the electrical signal; the resonant frequency of the oscillator is determined by the stiffness of the cantilever beam 1 and the mass of the mass body.

[0030] Preferably, the material used to prepare the wire includes tin indium oxide or a conductive organic material.

[0031] Preferably, the materials used to prepare the cantilever beam 1, the vibrating mass 2, and the support frame 5 include polydimethylsiloxane.

[0032] Specifically, all components of the oscillator are made of transparent materials. For example, the support frame 5 and its structure, the vibrating mass 2 and the cantilever beam 1 are all made of transparent PDMS material, and the transparent wires are made of conductive materials (such as indium tin oxide) or conductive organic materials.

[0033] The transparent oscillator in this embodiment has the basic vibration capability of commercially available oscillators, but is also completely transparent.

[0034] This embodiment also provides a transparent linear vibration actuator array, including at least two of the above-described linear vibration actuators.

[0035] Furthermore, the transparent oscillator in this embodiment can be driven to generate different vibration waveforms, frequencies, and amplitudes. Multiple transparent oscillators can form a linear vibration driver array, and different numbers of transparent oscillators can form different vibration modes.

[0036] In practical applications, the application scenarios of this embodiment include integrating the linear vibration driver and / or array onto a piece of transparent skin, or attaching it to various screens; users can touch the images displayed on the screen, such as reliefs, oil paintings, landscapes, etc. (simulated using vibration haptic feedback).

[0037] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0038] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A transparent linear vibration actuator, characterized in that, The device includes a cantilever beam, a vibrating mass, a first coil, a second coil, wires, and a support frame, all made of transparent material. The first coil is fixedly mounted on the top surface of the vibrating mass, and the top surface of the vibrating mass is in close contact with the cantilever beam. The cantilever beam is fastened to one side of the support frame, and the second coil is mounted on the other side of the support frame. When the first coil and the second coil simultaneously receive an alternating current signal, both the first coil and the second coil generate an alternating magnetic field. The first coil is used to drive the vibrating mass to vibrate on the cantilever beam perpendicular to the cantilever beam under the action of the alternating magnetic field, so as to generate vibration energy for output. Both the first coil and the second coil are connected to the signal source that generates the alternating current signal through the wire. The alternating current signal is used to power the first coil and the second coil and control the frequency of the vibration.

2. The transparent linear vibration actuator according to claim 1, characterized in that, It also includes a support made of transparent material; the second coil is fixedly mounted on the top surface of the support; the support is fastened to the other side of the support frame.

3. The transparent linear vibration actuator according to claim 1, characterized in that, The materials used to prepare the wires include tin indium oxide or conductive organic materials.

4. The transparent linear vibration actuator according to claim 1, characterized in that, The materials used to prepare the cantilever beam, the vibrating mass, and the support frame include polydimethylsiloxane.

5. A transparent linear vibration actuator array, characterized in that, It includes at least two linear vibration actuators as described in any one of claims 1-4.

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