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A digital high-precision power adjusting system and an adjusting method

A power regulation system, high-precision technology, applied in the direction of control/regulation system, adjustment of electrical variables, automatic power control, etc.

Pending Publication Date: 2019-06-11
JIANGSU JICUI MICRO NANO AUTOMATION SYST & EQUIP TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the inherent bias problem of the half-bridge circuit itself and the inherent performance defects of the discrete components that make up the circuit make it difficult for the half-bridge solution to be applied to precision equipment.

Method used

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  • A digital high-precision power adjusting system and an adjusting method
  • A digital high-precision power adjusting system and an adjusting method

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0025] refer to figure 1 As shown, an embodiment of the digital high-precision power regulation system of the present invention includes an upper computer PC, a main control chip, a signal converter, a power amplifier 1 and a load RL, the main control chip is an FPGA, the signal converter is a DAC, and the main control chip is a DAC. The control chip is connected to the output end of the upper computer, the main control chip is connected to the input end of the signal converter, the output end of the signal converter is connected to the input end of the power amplifier, and the output end of the power amplifier is connected to the load. The circuit structure in this connection com...

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PUM

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Abstract

The invention discloses a digital high-precision power adjusting system. The system comprises an upper computer, a main control chip, a signal converter, a power amplifier and a load. The main controlchip is an FPGA, the signal converter is a DAC or a potentiometer, the main control chip is connected with the output end of the upper computer, the main control chip is connected with the input endof the signal converter, the output end of the signal converter is connected with the in-phase input end of the power amplifier, and the output end of the power amplifier is connected with the load. The invention further provides an adjusting method. According to the invention, the controllable and stable output voltage is provided, the precision is high, and the power is adjustable.

Description

technical field [0001] The invention relates to the field of power adjustment, in particular to a digital high-precision power adjustment system and adjustment method Background technique [0002] In the field of ultrasonic applications, such as ultrasonic atomization or ultrasonic knife, etc., it will contain an essential part, that is, the power amplifier module. In the existing power amplification technology, the half-bridge inverter scheme is mostly used. [0003] As we all know, full-bridge inverters are suitable for high-power inverters, hundreds of watts or even kilowatts, and half-bridge inverters are suitable for low-power inverters. Even low-power inverters are basically more than ten watts or even tens of watts. It is not suitable for application scenarios with even smaller tiles. [0004] The half-bridge inverter is composed of many discrete components, the circuit design is complex, and its performance is also affected by the discrete components. The inverter ...

Claims

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Application Information

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IPC IPC(8): H03L5/02G05F1/66
Inventor 乔东海王纯配朱军辉汝长海
Owner JIANGSU JICUI MICRO NANO AUTOMATION SYST & EQUIP TECH RES INST CO LTD
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