超声波电源

制作了超声波电源样机，并对输出性能以及频率跟踪性能进行了试验测试，测试结果显示该电源的输出波形较好并具有良好的频率跟踪特性，可用于超声辅助磨削加工。

An ultrasonic generator was made in the paper . Its output performance and frequency tracking performance were tested . The test results showed that the power output waveform was nice and frequency tracking characteristics was effective and satisfied the need of ultrasonic .

提出一种具有功率因数校正（PFC）的无相差频率跟踪控制清洗设备用超声波电源。

An ultrasonic power supply for cleaning equipments with power factor correction ( PFC ) and non-phase-difference frequency tracing technology is developed .

建立了数字控制的超声波电源系统的仿真模型，并利用SABER软件对设计的系统进行了仿真分析，给出了仿真结果。

Secondly , the simulation models of ultrasonic power supply system based-on DSP are created . The simulation models are analyzed in SABER software and simulation results are given .

基于遗传算法提高超声波电源功率因数的研究

Improved Power Factor in the Ultrasonic Source Using Genetic Algorithms

频率跟踪是超声波电源的一个重要特性。

Frequency tracking is an important characteristic of ultrasonic power .

数字控制超声波电源系统的研究与实现

Study and Realization on Digital Control Ultrasonic Power System

而作为超声磨削加工关键技术的超声波电源设计引起了广泛的关注。

Ultrasonic power supply design as a key technology of ultrasonic grinding has been paid attention .

最后，在进行理论设计的基础上，对超声波电源各组成电路进行实际制作。

Lastly , based on the theoretical design , the circuits of the ultrasonic power are practically manufactured .

实验结果表明，该超声波电源具有一定的使用价值。

Some circuits were tested . The experimental results showed that the ultrasonic power supply has some use value .

在超声处理过程中，超声波电源输出的电信号频率较高且带有波形畸变；

During the ultrasonic treatment process , the output electric signals have the characteristics of high frequency and non-sine wave .

通过对比分析了各种方案的优点和缺点，确定了超声波电源功率放大电路的方案。

Through analyzed the advantages and disadvantages of various solutions , then determined the scheme of the power amplifier circuit .

结合相关的实验，证明了方法的有效性和可行性，为以后超声波电源的研究和设计提供了理论依据和方法基础。

Related experiments have showed the effectiveness and feasibility of this approach and provided a theoretical basis for the future study of ultrasonic power .

该点的意义在于实现了超声波电源由模拟电路控制系统向数字化控制系统的转变。

The meaning of the innovation is to realize the transition from analogy control system to digital control system of the ultrasonic power supply .

针对大功率超声波电源高精度、高功率输出的特点，对超声波电源控制策略进行了改进。

The frequency tracking and power adjustment combination control method is adopted to achieve high precision and high output power of the ultrasonic power supply .

大功率超声波电源系统主要由整流电路、逆变电路、驱动电路、信号控制电路、匹配网络及相关保护电路组成。

The power supply system consists chiefly of rectifier circuit , inverter circuit , driving circuit , signal control circuit , matching network and protection circuit .

在已知谐振频率的情况下，对超声波电源负载进行了必要的匹配，使其工作在最优状态。

In the case of the resonant frequency known , the load of ultrasonic power is matched to ensure the power working in the best condition . 4 .

大功率超声波电源以换能器为基础，为了能够在换能器上施加最大的电能，主要解决了阻抗匹配和频率调节两个方面的问题。

In order to put the largest power in piezoelectric transducers , the system dedicates to solving the two problems , which are impedance matching and frequency adjustment .

目前，由于换能系统受高温铝合金熔体的影响比较大，国内常规超声波电源不能正常工作，因此有必要自行设计超声波电源。

Due to the high temperature influence the ultrasonic transducer system obviously , conventional ultrasonic power can not work long time . New ultrasonic power must be designed .

超声波电源广泛应用于超声波加工、诊断、清洗等领域，其负载超声波换能器是一种将超音频的电能转变为机械振动的器件。

Ultrasonic power supply is widely used in manufacture , diagnoses and washing area . And ultrasonic transducer is a device to convert electronic power to mechanical oscillation power .

超声波电源为超声波换能器提供电能，超声波换能器将电能转换为动能，完成超声波清洗、防垢除垢等功能。

The ultrasonic power supply provides electrical energy for ultrasonic transducer . The ultrasonic transducer transforms electrical energy into kinetic energy , completed the ultrasonic cleaning , and so on .

现场实验结果证实了本系统的设计方向是正确的，超声波电源的输出功率实际测量值达到了54kW。

The experiment results show that the design of the system is in the right direction , the output power actual measured values of ultrasonic power is up to 54 kW .

接着介绍了超声波电源的基本结构组成，分析了超声波电源两种不同类型的主电路结构形式及其各自的优缺点，阐述了串联谐振型超声波电源的调功方式。

The basic structure of ultrasonic power supply and two main circuits of different types are discussed , with advantages and disadvantages . Moreover , this section discusses some power modulation methods .

在介绍超声焊接中的声学系统频率特性的基础上，着重阐述了超声波电源的几种主要的频率跟踪方式，并指出其发展方向。

Through the simple introduction of the frequency characteristics of sound system in ultrasonic welding , some main modes of self-tracking in ultrasonic power are illuminated , and its development direction is pointed out .

针对超声波电源的具体要求，设计了整流滤波电路，功率放大电路、驱动电路、缓冲电路、功率反馈电路、保护电路。

According to the specific requirements of the ultrasonic power supply , then designed the rectifier filter circuit , the power amplifier circuit , the drive circuit , the buffer circuit , the power feedback circuit , the protection circuit .

本文对负载压电换能器的有关等效参数进行了测量，设计了匹配网络，通过调谐匹配使得电源输出效率最高，减小无功损耗；通过阻抗匹配，实现超声波电源功率的最大输出，提高功率因数。

The equivalent parameter of piezoelectric transducer is measured . In order to make output the most efficient , decrease the reactive power loss , tuning matching is designed . And in order to output maximum power and raise power factor , impedance matching is designed .

超声波发生器电源技术的发展（中）

Development of Power Supply Technology for Ullrasonic Generator ( 2 )

用于焊后处理的超声波功率电源的研究与实现

Research on Ultrasonic Power Supply Used for Postwelding Treatment Power Sources

大功率超声波逆变电源的研制

Research on High Power Supersonic Inverting Power Supply

超声波焊接电源频率自动跟踪方式

Frequency self - tracking in ultrasonic welding power

在对超声波雾化电源进行分析论证的基础上，提出了超声波电源可采用的三种方案：半桥型超声波电源、全桥型超声波电源、推挽型超声波电源。

On the base of the analysis for the ultrasonic power supply , three schemes was adopted for the ultrasonic power supply .