Vibration processing device and power supply system and wireless power transmitter thereof

Abstract

The invention provides a wireless power transmitter, a power supply system and a vibration processing device, and the power supply system comprises a wireless power transmitter and a wireless power receiver which transmit power in an electromagnetic coupling manner, and a vibrator which is connected with the wireless power receiver and transmits the power to the vibration processing device. The wireless power transmitter is provided with a controller which can detect the working voltage and the working current of a transmitter and adjust the oscillation frequency of the working voltage supplied to the transmitter according to the phase difference between the working voltage and the working current, so that the oscillation frequency is close to the resonant frequency of the vibrator as much as possible, and the transmission and utilization efficiency of power is optimized. And an allowable distance between the wireless power transmitter and the wireless power receiver is increased.

Description

technical field [0001] The present invention provides a vibration processing device, that is, an ultrasonic knife handle or an ultrasonic processing machine. Power is supplied to the vibration processing device through a wireless power transmitter to drive the vibration processing device to vibrate and perform processing operations. Background technique [0002] Vibration processing equipment can cause high-frequency vibration in the processing tool, and cut the workpiece through vibration. It has processing advantages for special materials that are unfavorable to traditional machining technologies, such as ultra-high hardness materials, brittle materials or flexible materials. For related technologies, please refer to For example, descriptions of patents such as TWI671159 and TWI666087 in Taiwan, China. [0003] In the aforementioned patents, in order to carry out milling and vibrating processing operations simultaneously or successively, the processing tool is installed on...

AI Technical Summary

Problems solved by technology

[0003] In the aforementioned patents, in order to carry out milling and vibration processing operations simultaneously or successively, the processing tool is installed on the rotatable processing spindle, and the electric power is supplied from the outside to the rotatable spindle or tool by means of coil electromagnetic induction. To effectively use electromagnetic induction to transmit power, the primary side coil installed outside the spindle and the secondary side coil installed on the spindle or on the tool need to be as close as possible. In actual mechanical equipment, the primary side coil and the secondary side coil The distance must be kept below a few microns, and there are many restrictions on the mechanism design of the spindle and the tool and the operation method during actual operation.

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