Linear motion device
A linear motion, coil technology, applied in the direction of the fluid using vibration, can solve the problems of small driving force and waste of magnetic field, and achieve the effect of large driving force, increasing the range of the magnetic field, and increasing the strength of the magnetic field
Inactive Publication Date: 2018-01-19
烟台金钢磁性材料有限公司
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Problems solved by technology
[0004] The invention provides a linear motion device, which aims to solve the problems of low driving force and large magnetic field waste in the linear motion device of the prior art
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[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0015] The linear motion device provided by the present invention is provided with at least two coils connected in series and a reverse magnetic group composed of multiple magnetic bodies connected. After the multiple coils are energized, they interact with the magnetic fields of the magnetic bodies in the reverse magnetic group and generate The driving force in the direction, by superimposing the driving force generated by the interaction between two or more coils and the magnetic field in the reverse magnetic group, the driving force generated by the linear motion device can be effectively improve...
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The invention belongs to the technical field of linear motion devices and provides a linear motion device. The linear motion device comprises N coils and a diamagnetic set, wherein the coils are in series connection in sequence and arranged in a spaced mode, and N is an integer which is greater than or equal to two; the diamagnetic set comprises (N+1) magnetic bodies which are arranged in a spacedmode, and yokes connected between the adjacent magnetic bodies; and the opposite ends of every two adjacent magnetic bodies are the same in magnetic pole, and the coils sleeve the diamagnetic set andis spaced from the diamagnetic set. According to the linear motion device provided by the invention, by arranging the at least two coils in series connection and the diamagnetic set formed by connecting the multiple magnetic bodies, and by superposing driving force generated by interaction between the more than two coils and magnetic fields in the diamagnetic set, the driving force generated by the linear motion device can be effectively increased; and only the magnetic fields located at the two ends of the diamagnetic set are not utilized, the magnetic fields located at the two ends of the magnetic bodies in the middle of the diamagnetic set are all fully utilized, and accordingly wasting of the magnetic fields of the magnetic bodies can be reduced.
Description
technical field [0001] The invention belongs to the technical field of linear motion devices, in particular to a linear motion device. Background technique [0002] A linear motion device is a component that converts electrical energy into mechanical vibrations by using the principle of generating electromagnetic force, and is often installed in electronic products to generate silent vibration reminders. With the rapid expansion of the electronic product market and the addition of more functions to electronic products, people's requirements for the silent vibration performance of electronic products are also getting higher and higher. [0003] In the prior art, the linear motion device is usually equipped with a single coil and two magnetic bodies. After the single coil is energized, it interacts with the two magnetic bodies to generate a driving force along the axial direction of the magnetic body, so that the linear motion device generates reciprocating vibrations. The ra...
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IPC IPC(8): B06B1/04
Inventor 程春东
Owner 烟台金钢磁性材料有限公司