Double-stimulus two-dimensional longitudinal coupled oscillation sandwich type piezoelectric ultrasonic transducer

A longitudinal coupling, piezoelectric ultrasonic technology, applied in the direction of the fluid using vibration, can solve the problems of small power capacity, single ultrasonic radiation direction, small sound radiation area, etc., to achieve the effect of high power capacity
CN107737709AActive Publication Date: 2018-02-27CHINA JILIANG UNIV
4 Cites 3 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA JILIANG UNIV
Publication Date
2018-02-27

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a double-stimulus two-dimensional longitudinal coupled oscillation sandwich type piezoelectric ultrasonic transducer. The double-stimulus two-dimensional longitudinal coupled oscillation sandwich type piezoelectric ultrasonic transducer comprises a piezoelectric ceramic crystal stack, an outer metal block and a share center coupled metal block, wherein the piezoelectric ceramic crystal stack, the outer metal block and the share center coupled metal block are sequentially and coaxially connected, and a cross-shaped structure is formed by the piezoelectric ceramic crystalstack, the outer metal block and the share center coupled metal block in a horizontal direction and a vertical direction together. According to the double-stimulus two-dimensional longitudinal coupledoscillation sandwich type piezoelectric ultrasonic transducer provided by the invention, defects of lower power capacity, unidirectional ultrasonic irradiation and smaller ultrasonic irradiation areaexisting in a longitudinal oscillation sandwich type piezoelectric ultrasonic transducer in the prior art can be solved to a large extent, and meanwhile, the double-stimulus two-dimensional longitudinal coupled oscillation sandwich type piezoelectric ultrasonic transducer has the advantages of double frequency, two-dimensional four-directional ultrasonic irradiation and the like.
Need to check novelty before this filing date? Find Prior Art

Description

Technical field

[0001] The invention relates to the technical field of ultrasonic transducers, in particular to a dual-excitation two-dimensional longitudinal coupling vibration sandwich type piezoelectric ultrasonic transducer. Background technique

[0002] Power ultrasound is the use of ultrasonic vibration energy to change the structure, state, and function of material tissues or accelerate these changes. Compared with other processing technologies, power ultrasound technology can often greatly increase processing speed and efficiency, improve processing quality, and complete processing tasks that are difficult to complete with general technology. In the application of power ultrasound technology, the ultrasound transducer is the core component of the ultrasound processing equipment, and its performance directly determines the application effect of power ultrasound. At present, in the field of power ultrasound, the longitudinal vibration sandwich piezoelectric ultrasonic tran...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More