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Driving assembly and manufacture method thereof

A technology for driving components and driver groups, applied in electrical components, generators/motors, motors applying thermal effects, etc., can solve the problems of poor linear driving, slow driving response, low stiffness, etc., and achieve accurate and effective motion and wide adaptability. , the effect of high structural strength

Active Publication Date: 2018-03-30
NINGBO SUNNY INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a driving assembly and its manufacturing method, which can solve the problems of low stiffness in the driving direction, poor linear driving and slow driving response of the traditional circuitous structure driver

Method used

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  • Driving assembly and manufacture method thereof
  • Driving assembly and manufacture method thereof
  • Driving assembly and manufacture method thereof

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Embodiment Construction

[0081] In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that are used in the embodiments. Apparently, the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

[0082] When describing the embodiments of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", " The orientation or positional relationship expressed by "horizontal", "top", "bottom", "inner" and "outer" is based on the orientation or positional relationship shown in the relevant drawings, which are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particu...

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Abstract

The invention relates to a driving assembly and a manufacturing method thereof. The driving assembly comprises a substrate, a heater, separator plates and power elements. One end of each separator plate is in mutual fixed connection with the substrate, and the other end thereof extends in the direction away from the substrate to form a free end. The heater is arranged on the substrate. The power elements are arranged between adjacent separator plates. When the heater is powered on, the power elements are expanded due to heat, and cause horizontal and vertical displacement, that is, the drivingassembly generates a driving force, thereby effectively solving the problems of low rigidity and poor linear driving and the like in the driving direction of an existing driver in a periphrastic structure.

Description

technical field [0001] The invention relates to a driving assembly and a manufacturing method thereof, in particular to an electrothermal driving assembly and a manufacturing method thereof. Background technique [0002] In the prior art, VCM motors are widely used in camera modules for automatic focus and automatic image stabilization. Since the current camera system tends to be thinner, with a larger stroke and lower power, the coil and magnet of the VCM motor hinder the further reduction of the module size. At the same time, the VCM motor is based on electromagnetic force, and a large stroke requires high power support. [0003] In recent years, Shape Memory Alloy (SMA) technology based on the principle of thermal expansion and contraction has been adopted to drive the lens to perform the auto-focus function of the camera lens. However, the shape memory alloy used in the camera module is made of round metal wires, and its main disadvantages are severe hysteresis and repe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N10/00B81B3/00
CPCB81B3/0024B81B2201/031B81B2203/0118H02N10/00
Inventor 张宝忠刘挺张玉文曹新平朱传贵
Owner NINGBO SUNNY INSTR
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