阅读说明：本技术 一种柔性薄膜直线电机 (Flexible film linear motor ) 是由 王宏强 曲扬 王佩松 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种柔性薄膜的直线电机。其中,包括：定子和动子,所述定子和动子均由电极、供电总线和柔性绝缘层组成,定子和动子以贴合方式分布。本发明通过采用在定子和动子之间均匀分布电极产生静电力从而驱动动子运动的技术手段,克服了现有技术中存在的直线电机结构复杂、刚度过高、控制原理繁杂的技术问题,实现了直线电机结构简单,控制原理简明、可实现柔性弯曲变形、耐强磁场、运行噪声小的技术效果。本发明可广泛应用于机械电子领域。(The invention discloses a linear motor of a flexible film. Wherein, include: the stator and the rotor are respectively composed of electrodes, a power supply bus and a flexible insulating layer, and are distributed in a fitting mode. The invention adopts the technical means that the electrostatic force is generated by uniformly distributing the electrodes between the stator and the rotor so as to drive the rotor to move, overcomes the technical problems of complex structure, overhigh rigidity and complex control principle of the linear motor in the prior art, and realizes the technical effects of simple structure, simple control principle, flexible bending deformation, strong magnetic field resistance and small operation noise of the linear motor. The invention can be widely applied to the mechanical and electronic field.)

1. A flexible film linear motor, comprising: the stator and the rotor respectively comprise electrodes, a power supply bus and a flexible insulating layer, and are distributed in a fitting mode.

2. The flexible film linear motor of claim 1, wherein the electrodes comprise stator electrodes and rotor electrodes, the stator electrodes and the rotor electrodes are uniformly distributed along a linear direction, are arranged in a multi-phase alternating manner, are communicated with the power supply bus, and are provided with contacts at the tail ends of the power supply bus for communicating with an external power supply.

3. The flexible film linear motor of claim 1, wherein the stator and the mover are further connected to an alternating voltage, and the stator and the mover are attached to each other to form an attachment surface, so that corresponding electrodes between the mover and the stator are charged with opposite polarities to generate driving.

4. A flexible film linear motor according to claim 3, wherein the speed of movement of said mover is dependent on the frequency of the applied alternating voltage.

5. The flexible film linear motor of claim 2, wherein said flexible insulation layer is disposed on one or both sides of said stator electrodes and said mover electrodes.

6. The flexible film linear motor of claim 1, wherein the stator and the mover are stacked in a single layer or multiple layers.

7. A method of calculating an operation speed of a mover and a stator applied to the flexible film linear motor according to any one of claims 1 to 6, comprising the formula:

V＝v₁-v₂

wherein the content of the first and second substances,

the 3p is the wavelength of the accessed alternating current; v is₁、v₂To be respectivelyIs the wave velocity of the voltages on the mover and the stator, w₁、w₂The frequency of the voltage on the mover and the stator, respectively.

Technical Field

The invention relates to the field of mechanical electronics, in particular to a flexible film linear motor.

Background

In recent decades, with the development of industrial technologies, the requirements for driving devices have been continuously increased, and the advantages of linear motors have been continuously discovered in the industrial field, and linear motors are widely used in mechanical arms of factories, industrial machine tools, and various devices involving linear motion, and meanwhile, linear motors are widely used in various transportation devices such as magnetic levitation trains, and are widely applied to power devices of ships, but the existing rigid linear motors have the defects of large heat productivity, complex structure, easiness in being influenced by external magnetic fields, and the like in the using process.

In addition to the above applications, as robotics is becoming smaller and smaller, the degree of precision is increasing, and the demand for driving equipment is also increasing. In the process of miniaturization, the traditional motor has the defects of poor maneuverability, complex structure, obvious reduction of efficiency and the like, so that novel driving modes such as electrostatic driving and the like are generated at the same time. The electrostatic driving is a technology for completing driving by utilizing acting force between charges, is mainly applied to a Micro Electro Mechanical System (MEMS) at present, and has more excellent performance in the field of the MEMS due to the advantages of simple structure, simplicity and convenience in operation and the like compared with the traditional electromagnetic driving and electrohydraulic driving. Compared with the traditional electromagnetic driving mode, the electrostatic driving has the advantages of simple structure, small heat productivity and convenience in driving and controlling, and has better performance in an MEMS system; compared with novel magnetic induction driving, the electrostatic driving has no problem of electromagnetic interference, the reliability is higher, and the energy conversion efficiency is higher; compared with piezoelectric driving, electrostatic driving can provide continuous and stable output and can achieve large-displacement output. The research application of electrostatic driving is still in the beginning stage.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a flexible film linear motor, which can realize the technical effects that the linear motor has a simple structure and a simple and clear control principle, and can realize flexible bending deformation.

The technical scheme adopted by the invention is as follows:

in a first aspect, the present invention provides a flexible thin film linear motor comprising: the stator and the rotor respectively comprise electrodes, a power supply bus and a flexible insulating layer, and the rotor and the stator are distributed in a fitting mode.

Further, the electrodes comprise stator electrodes and rotor electrodes, the stator electrodes and the rotor electrodes are uniformly distributed along a linear direction, are in multi-phase alternate arrangement and are communicated with the power supply bus, and a contact is arranged at the tail end of the power supply bus and is used for being communicated with an external power supply.

Furthermore, alternating voltage is also connected to the stator and the mover, the stator and the mover are mutually attached to form an attaching surface, so that corresponding electrodes between the mover and the stator are provided with charges with opposite polarities, and electrostatic force drive is generated.

Further, the speed of movement of the mover depends on the frequency of the incoming alternating voltage.

Further, an insulating layer is disposed on one or both sides of the electrode.

Further, the stator and the rotor are distributed in a single-layer or multi-layer overlapping mode.

In a second aspect, the present invention provides a method for calculating the operating speeds of a mover and a stator, including the formula:

V＝v₁-v₂

wherein the content of the first and second substances,

the 3p is the wavelength of the accessed alternating current; v is₁、v₂For wave velocities of voltages on the mover and stator, respectively, w₁、w₂The frequency of the voltage on the mover and the stator, respectively.

The invention has the beneficial effects that:

the invention adopts the technical means that the electrostatic force is generated by uniformly distributing the electrodes between the stator and the rotor so as to drive the rotor to move, overcomes the technical problems of complex structure, complex control principle and difficult long-distance stable output of the linear motor in the prior art, and realizes the technical effects of simple structure, simple control principle and long-distance stable operation of the linear motor.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a flexible film linear motor according to the present invention;

FIG. 2 is a schematic side view of an embodiment of a flexible film linear motor according to the present invention;

FIG. 3 is a schematic wiring diagram of another embodiment of a flexible film linear motor of the present invention;

FIG. 4 is a circuit layout diagram of another embodiment of a flexible film linear motor of the present invention;

fig. 5 is a schematic diagram of the operation of another embodiment of a flexible film linear motor according to the present invention.

Description of reference numerals:

01: a stator;

02: a mover;

03: a flexible insulating layer;

04: an electrode;

05: a power supply bus.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.