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Ultrasonic energy collector

An ultrasonic energy and collector technology, applied in induction generators and other directions, can solve the problems of narrow resonant frequency band, low output, and inability to actively adjust frequency, and achieve the effect of wide resonant frequency band, high energy collection efficiency, and high output.

Active Publication Date: 2021-05-14
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vibration energy harvesting technology has the problems of not being able to collect omnidirectionally, the resonance frequency band is narrow, and the output is relatively low, especially the problem of not being able to actively adjust the frequency

Method used

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  • Ultrasonic energy collector
  • Ultrasonic energy collector

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Embodiment Construction

[0021]Further detailed description will be described in conjunction with the accompanying drawings. The following examples are for more clearly explaining the technical solutions of the present invention without limiting the scope of the invention.

[0022]Such asFigure 1 ~ 2One embodiment shown: an ultrasonic energy collector, comprising: a fixed frame k, a mass block Q, a fork reflection capacitor; the mass block Q is disposed at the center position of the fixed frame K, the mass block Q The center is set to secure the fixed end P, and the fixed frame k and the mass block Q are connected between the plurality of fork refers to a square, and the fixed frame k is provided, the mass block Q is a disk-shaped structure, said The fork refers to the capacitor set with four groups, each set of fork refers to the capacitor on one border of the fixed frame k, respectively;

[0023]The first cantilever beam and the second cantilever beam of each set of fork reflective containers are disposed.

[0024...

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Abstract

The invention discloses an ultrasonic energy collector which comprises a fixed frame, a mass block and interdigital capacitors, wherein the mass block is arranged at the central position of the fixed frame, a plurality of interdigital capacitors are connected between the fixed frame and the mass block, and when the central disc receives ultrasonic excitation from a multi-dimensional direction, the interdigital capacitors can respectively change the distance or the overlapping region of the electrode plates so as to change the capacitance, so that charge change is generated, therefore, multi-dimensional energy collection can be realized. The ultrasonic energy collector adopts ultrasonic excitation, has active frequency modulation, is not influenced by the external environment, is harmless to a human body, and is relatively high in energy collection efficiency; and the ultrasonic energy collector has the advantages of multi-directional energy collection, wide resonance frequency band, high energy collection efficiency and high output.

Description

Technical field[0001]The present invention discloses an ultrasonic energy collector relating to the technical field of energy collector.Background technique[0002]In the field of environmental energy collection, energy collection efficiency is an important assessment factor, and measuring the overall collection efficiency is multi-direction, wideband and high output. Such as a multi-directional wideband piezoelectric energy collector patent number CN202011035650.1, the collector can have a certain frequency of vibration energy energy in the two-dimensional collection environment, while increasing energy collection efficiency, and widened energy collection Applicable range, enhanced practicality. Another example is a piezoelectric energy collector patent number ZL 201721765738.2, which uses a certain arc-shaped architecture design. When the environmental vibration acts on the mass block, the arc-type piezoelectric energy collector of a particular radian is generated. The collector can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N1/08
CPCH02N1/08
Inventor 王德波薛至诚惠文龙吉新村
Owner NANJING UNIV OF POSTS & TELECOMM