Piezoelectric composite pipe driving device and manufacturing method for piezoelectric composite pipe driving device
A driving device and piezoelectric composite technology, applied in piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, electrical components, etc., can solve the problem of poor versatility, weak driving force and displacement , heavy weight and other problems, to achieve the effect of good dynamic driving effect, good versatility and strong bearing capacity
Active Publication Date: 2015-03-25
孙亚飞
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Problems solved by technology
The piezoelectric driver in the prior art, the driving force and the displacement of the piezoelectric plate driver are relatively weak, and its application is related to the specific structure, and the application occasions are limited; the piezoelectric stack driver has high manufacturing cost, heavy weight, and poor mechanical strength etc., it is difficult to meet the needs of most micro-vibration active control and active vibration isolation systems; while other special piezoelectric actuators have single driving performance, special structure, and poor versatility, and it is difficult to meet various types of micro-vibration active control and active isolation systems. Vibration system needs
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[0028] 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.
[0029] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
[0030] It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiti...
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The invention is suitable for the technical field of piezoelectric driving and discloses a piezoelectric composite pipe driving device and a manufacturing method for the piezoelectric composite pipe driving device. The piezoelectric composite pipe driving device comprises a base pipe and a piezoelectric pipe / piezoelectric pipes which is / are arranged on the inner side wall or / and the outer side wall of the base pipe in a sleeving mode and used for driving the base pipe to generate axle deformation. According to the piezoelectric composite pipe driving device, the piezoelectric pipe is fixed to the outer layer or the inner layer of the thin-wall base pipe, or the piezoelectric pipes are arranged on the inner layer and the outer layer of the thin-wall base pipe, the piezoelectric pipe / piezoelectric pipes is / are driven so that the base pipe can generate certain axial driving force and displacement, and an independent piezoelectric actuator is formed. The piezoelectric composite pipe driving device has the advantages of being low in weight, simple in structure, convenient to manufacture, good in dynamic driving effect, high in bearing force, capable of flexibly designing the driving force and the displacement and the like, different requirements of various micro-nano precise positioning systems, micro vibration active control and vibration isolation systems and the like for driving elements can be met, and good universality is achieved.
Description
technical field [0001] The invention belongs to the technical field of piezoelectric driving, and in particular relates to a piezoelectric composite tube driving device and a manufacturing method of the piezoelectric composite tube driving device. Background technique [0002] Piezoelectric actuators have the characteristics of fast response and low energy consumption, and are widely used as driving elements in various intelligent materials and structures, especially suitable for driving elements in various micro-vibration active control and active isolation systems. [0003] At present, the commonly used piezoelectric drivers mainly include piezoelectric sheets, piezoelectric stacks and some special piezoelectric driving structures. Among them, the piezoelectric sheet is the simplest type of piezoelectric actuator, which can be made into long strips or cylindrical shapes. Usually, according to the specific driving requirements, it is directly pasted on the corresponding str...
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IPC IPC(8): H02N2/00
Inventor 孙亚飞陈新达李迎高西成王基维陈勖
Owner 孙亚飞