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Shape memory alloy driving element based on local segmented heating and synaptic heat dissipation form

A driving element and segmental heating technology, which is applied in the direction of machines/engines, mechanical power generating mechanisms, mechanical equipment, etc., can solve the problems that affect the wide application of shape memory alloy driving elements, slow heating and heat dissipation, and slow driving response speed. Achieve the effect of simple structure, rapid heat dissipation and quick response

Active Publication Date: 2019-06-07
DALIAN UNIV OF TECH
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Problems solved by technology

[0005] The existing shape memory alloy driving device adopts the method of overall heating and self-natural cooling, and the heating and heat dissipation is relatively slow, so the driving response speed is slow, which affects the wide application of shape memory alloy driving elements

Method used

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  • Shape memory alloy driving element based on local segmented heating and synaptic heat dissipation form
  • Shape memory alloy driving element based on local segmented heating and synaptic heat dissipation form
  • Shape memory alloy driving element based on local segmented heating and synaptic heat dissipation form

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] like Figure 1-Figure 11 As shown, a shape memory alloy driving element based on local segmental heating and synaptic heat dissipation includes a plurality of driving segments 1 connected end to end in sequence, and the free end of the driving segment 1 located at the free end of the driving element has a driving element connection te...

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Abstract

The invention discloses a shape memory alloy driving element based on local segmented heating and a synaptic heat dissipation form. The shape memory alloy driving element comprises a plurality of driving sections which are sequentially connected end to end, and the free ends of the driving sections located at the free ends of the driving element are provided with driving element connecting ends; each driving section or part of the driving section is provided with at least one heat dissipation synapse; the heat dissipation synapses are provided with heat dissipation synapse tips obtained through topology optimization, and the heat dissipation synapse tips are made of a heat dissipation metal material; the heat dissipation synapses connected with the driving sections are connected with the driving sections through insulation heat conduction glue; and the driving sections and the driving element connecting ends are made of a shape memory alloy material. According to the shape memory alloydriving element based on the local segmented heating and the synaptic heat dissipation form, the local heating position, the number of the heat dissipation synapses, the shape of heat dissipation synapse tips and the like of the driving element can be adjusted according to actual requirements, so that the driving element has optimal response performance. The shape memory alloy driving element issimple in structure and easy to manufacture, and has a good and wide application prospect in the fields of aerospace, medical instruments, automobiles and the like.

Description

technical field [0001] The invention relates to a shape memory alloy driving element based on local segmental heating and synaptic heat dissipation, and belongs to the technical field of intelligent driving. Background technique [0002] With the rapid development of science and technology, smart materials have been more widely used. As a kind of intelligent material, shape memory alloy is widely used in aerospace and medical equipment because of its high energy density, light weight, integration of intelligent perception and drive, small size, convenient installation, and low noise during operation. and automotive fields. However, the response speed of shape memory alloy driving elements is one of the important indicators to measure its driving performance, which seriously affects its application and development. Therefore, improving the response speed by rationally optimizing the heating and cooling methods has become a hot research issue. By rationally optimizing the l...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G7/06
Inventor 高仁璟李晓政王奇刘书田李昀
Owner DALIAN UNIV OF TECH
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