Electric energy transfer circuit based on mechanical vibration and transfer method
A technology of electrical energy conversion and mechanical vibration, applied in the direction of irreversible AC power input conversion to DC power output, etc., can solve problems such as hindering the development of micro-devices, complex structure, difficult miniaturization, etc., to achieve light weight, simple circuit structure, controllable simple strategy
Pending Publication Date: 2019-04-12
BEIHANG UNIV
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Problems solved by technology
[0003] For micro-power electronic equipment, the above-mentioned inverters, transformers, and frequency regulators have complex structures and heavy weights, making it difficult to miniaturize, which is a key issue hindering the further development of micro-equipment
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[0022] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. 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.
[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention relates to an electric energy transfer circuit based on mechanical vibration and a transfer method. A vibrating beam is arranged between a positive electrode and a negative electrode; to-be-transferred direct current or alternating current is applied on the positive electrode and the negative electrode; the vibrating beam generates periodic mechanical vibration under joint driving ofan electrostatic force and an elastic restoring force, and performs repeated alternate contact with the positive electrode and the negative electrode in the process; and a root part of the vibratingbeam can output frequency-adjustable alternating current. According to the electric energy transfer circuit and the transfer method, inversion and frequency modulation processing are performed on electric energy by a mechanical element rather than the traditional electronic element; and the circuit is concise in structure, light in weight, simple in control strategy and easy to popularize and apply, and is particularly used in miniature power electronic equipment.
Description
technical field [0001] The invention relates to a power conversion circuit and conversion method for converting direct current into alternating current or adjusting the frequency of alternating current, in particular to a power conversion circuit and conversion method using mechanical elements and based on mechanical vibration. Background technique [0002] In recent years, the size of miniature power electronic devices has become smaller and smaller, and the reduction in size has also made power conversion more and more difficult. The existing electric energy conversion technology mainly provides alternating current with a certain frequency and amplitude in two ways. One is to transform the alternating current in the transmission network (transformer) and frequency modulation (frequency converter), so as to control specific equipment. Energy supply; the other is to use an inverter to convert direct current into alternating current, and the frequency and amplitude of the con...
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IPC IPC(8): H02M7/30
CPCH02M7/30
Inventor 漆明净詹文成闫晓军刘志伟张小勇黄大伟
Owner BEIHANG UNIV