CN103604492A - Ultrasonic frequency detection system and method of ultrasonic wave machining tool detection - Google Patents

Ultrasonic frequency detection system and method of ultrasonic wave machining tool detection Download PDF

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CN103604492A
CN103604492A CN201310641804.5A CN201310641804A CN103604492A CN 103604492 A CN103604492 A CN 103604492A CN 201310641804 A CN201310641804 A CN 201310641804A CN 103604492 A CN103604492 A CN 103604492A
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signal
analog
ultrasonic
digital
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CN201310641804.5A
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林海
顾亚平
查雨
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上海现代先进超精密制造中心有限公司
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Abstract

The invention discloses an ultrasonic frequency detection system of an ultrasonic wave machining tool. The ultrasonic frequency detection system comprises an upper computer and a lower computer. The lower computer comprises a microphone array, an analog signal matching and power amplifying module, an analog-to-digital conversion module, a signal processing module, a monitoring module, a data communication module and a power supply module. The microphone array is used for positioning a sound source and picking up an analog signal. The analog signal matching and power amplifying module is used for preprocessing the weak analog signal, namely, conducting transfer impedance matching and power amplifying on the analog signal. The analog-to-digital conversion module is used for converting the collected analog signal into a digital signal. The signal processing module is used for processing the digital signal and outputting the processing result. The monitoring module is used for conducting power amplification and speaker output after conducting analog-to-digital conversion on the processing result, and providing a circuit of monitoring signal for an operator. The data communication module is used for data communication between the upper computer, the lower computer and other peripherals. The power supply module is used for supplying multiple circuits of stable power so that the system can run normally.

Description

超声波加工刀具的超声波频率检测系统及其检测方法 Ultrasonic frequency detection system and method for detecting ultrasonic machining tool

技术领域 FIELD

[0001] 本发明涉及超声波加工技术领域,具体涉及ー种超声波加工刀具的超声波频率检测系统及其检测方法。 [0001] The present invention relates to an ultrasonic processing technology, and in particular relates to an ultrasonic frequency detection system and method for detecting an ultrasonic machining tool ー species.

背景技术 Background technique

[0002] 伴随着新型材料技术的创新,陶瓷新材料的应用也在迅速发展,尤其是硬脆材料陶瓷的应用领域也在不断的扩展,例如:氧化物、氮化物、碳化物陶瓷等,它们都具有了更旷阔的应用前景。 [0002] With the new innovative materials technology, new applications of ceramic materials is growing rapidly, especially in the field of application of hard and brittle ceramic material are constantly extended, for example: an oxide, nitride, carbide ceramics and the like, they are We have the prospect of a more wide open. 但是当前阻碍这些硬脆材料应用发展的障碍是针对这些材料应用的加工手段,传统加工硬脆材料的方式是研磨和抛光,这种方式的缺陷是加工效率低下,难以加工异型エ件。 But the obstacles currently hindering the development of these applications are hard and brittle materials processing methods for these materials applications, the traditional way of processing hard and brittle materials are ground and polished drawback of this approach is the low processing efficiency, difficult to process Ester shaped pieces.

[0003] 超声波加工是ー种利用加载了超声波的主轴或刀具,在加工エ件表面形成超声波共振现象,使得エ件的加工表面断裂,以便刀具再行去除,达到加工面机械切削的目的。 [0003] Ultrasonic machining is loaded ー species using ultrasound or tool spindle, form an ultrasonic resonance phenomenon in the processing Ester surface, such that the processing member Ester fracture surface, again in order to remove the tool, the purpose of the mechanical cutting processed surface. 超声波加工现在是提高硬脆材料尤其是超硬各类陶瓷加工效率和手段的极为有利方法。 Ultrasonic machining is now extremely hard and brittle materials especially advantageous method of super-hard types of ceramic and means to improve the processing efficiency. 在超声波加工硬脆材粒(碳化硅、氮化硅等)时,超声波的加工效果关键取决于超声波在エ件表面形成的共振大小;这个共振的大小是由超声波与被加工エ件的材料共振频率是否吻合而确定的;因此选择和确定超声波加工中与材料共振频率就成为超声波加工的关键因素。 When ultrasonic machining hard brittle material particles (silicon carbide, silicon nitride, etc.), the ultrasound key processing effect ultrasonic resonator depends on the size of the member surface formed Ester; the size of the resonance material is to be processed by the ultrasonic element resonance Ester determining whether the frequency of the anastomosis; ultrasonic machining so selected and determined with the resonance frequency of the material has become a key factor in ultrasonic machining.

[0004] 超声波加工中,由于各个加工材料和刀具产生的超声波共振频率都不相同,为了达到最佳的超声波加工效果,必须对加工的刀具和材料选择ー个最合适的超声波共振频率。 [0004] In ultrasonic machining, ultrasonic resonance frequency as to produce respective workpiece and tool are not the same, in order to achieve the best effect of ultrasonic machining, the tool must be processed and material selection ー most suitable ultrasonic resonance frequency.

发明内容 SUMMARY

[0005] 为了克服上述现有技术的不足,本发明提供一种超声波加工刀具的超声波频率检测系统及其检测方法。 [0005] In order to overcome the above deficiencies of the prior art, the present invention provides an ultrasonic machining tool ultrasonic frequency detection system and a detection method.

[0006] 本发明的具体解决方案如下: [0006] DETAILED solution of the invention is as follows:

[0007] 一种超声波加工刀具的超声波频率检测系统,包括:上位机和下位机,其特点在于,所述的下位机包括: [0007] An ultrasonic machining tool ultrasonic frequency detection system, comprising: upper and lower machine, characterized in that said lower unit comprises:

[0008] 麦克风模块,用于声源定位和模拟信号的拾取; [0008] The microphone module for sound source localization and analog signals picked up;

[0009] 模拟信号匹配和功率放大模块,用于对微弱的模拟信号进行传输阻抗匹配和功率放大的预处理; [0009] analog signal match and the power amplifier module, configured to weak analog signals and impedance matching transmission power amplification pretreatment;

[0010] 模数转换模块,用于将采集的模拟信号转换成数字信号; [0010] analog to digital conversion module, an analog signal for collection into a digital signal;

[0011] 信号处理模块,对数字信号进行处理,输出处理结果; [0011] The signal processing module for processing a digital signal, outputting a processing result;

[0012] 监听模块,用于将处理结果进行数模转换后再经过功率放大和喇叭输出,为操作者提供一路监听信号; [0012] The monitoring module, the processing result for digital to analog conversion and then output through the power amplifier and speaker, provide one monitoring signal to the operator;

[0013] 数据通信模块,用于下位机和上位机以及其他外设之间的数据通信。 [0013] Data communication module for data communication between the lower computer and the host computer and other peripherals.

[0014] 利用所述的超声波频率检测系统,实现超声波加工刀具的超声波频率检测方法,其特点在于,该方法包括如下步骤:[0015] ①选择一块与待加工材料同材质的薄片,该薄片的尺寸在几十到一百毫米见方,厚度小于3毫米; [0014] The use of ultrasonic frequency detection system, the detection method implemented ultrasonic frequency ultrasonic machining tool, characterized in that, the method comprising the steps of: [0015] ① select a sheet material to be processed with the same material, the sheet size of several tens to a hundred mm square and a thickness of less than 3 millimeters;

[0016] ②将该薄片放于刀具的下方并与刀具的表面边缘接触,将麦克风阵列置于待加工エ件和刀具的接触点处; [0016] ② The sheet placed in the tool and in contact with the lower surface of the edge of the tool will be placed in the microphone array processing Ester member and the point of contact of the tool;

[0017] ③打开所述的超声波加工刀具的超声波频率检测系统; [0017] ③ opening detection system according to the ultrasonic frequency ultrasonic machining tool;

[0018] ④模拟信号匹配和功率放大模块接收麦克风阵列输出的模拟信号,并进行传输阻抗匹配和功率放大的预处理后传输给模数转换模块; After [0018] ④ analog signals and power to match the received amplified analog signal output from the microphone array module, and transmit power amplifier and impedance matching to the pre-transmission digital conversion module;

[0019]⑤模数转换模块将模拟信号转换数字信号后传输给信号处理模块; [0019] ⑤ analog to digital conversion module converts the analog signal after the transmission signal to a digital signal processing module;

[0020] ⑥信号处理模块对数字信号进行处理,将信号处理结果输入给数据通信模块; [0020] ⑥ signal processing module processes the digital signal, the signal processing result is input to the data communication module;

[0021] ⑦监听模块通过对信号处理模块的输出信号进行数字/模拟转换后,将处理后的信号通过喇叭输出,用于操作者监听; After [0021] ⑦ listener module output signal by a digital signal processing module / analog conversion, the signal is processed by the speaker output, for an operator to listen;

[0022] ⑧数据通信模块将信号处理结果传输给上位机或其他外部设备。 [0022] ⑧ data communication module transmitting the signal processing result to the host computer or other external devices.

[0023]目前超声波加工中心刀具超声波频率选择大多凭操作人员的经验选取,通过触摸エ件等方式获得的手感决定,具有主观性和个体差异,并且对于缺乏经验的操作エ而言,正确选取刀具频率具有难度,容易导致加工结果无法达到最佳。 [0023] Ultrasonic machining center tools currently selected ultrasonic frequency most selected empirically operator feel obtained by touching pieces Ester decided, subjective and individual differences, and for Ester inexperienced operator, the correct selection tool frequency has difficulty processing easily lead to sub-optimal results. 本发明的有益效果在于:通过实测和信号处理的方法,量化刀具频率选取依据,结合音响处理辅助,提供操作者视觉和听觉感受,有效的将刀具频率选取过程简单化,确保超声波辅助加工效果最佳。 Advantageous effects of the present invention is: a method by means of measurement and signal processing, the quantized frequency selected based tool combined sound processing aid, provides the operator a visual and auditory experience, the effective frequency of the selected tool to simplify the process, to ensure that most ultrasonic assisted machining results good.

附图说明 BRIEF DESCRIPTION

[0024] 图1是本发明中下位机模块架构示意图。 [0024] FIG. 1 is a lower machine module architecture diagram of the present invention.

[0025] 图2是本发明实施例中下位机输出的图形化結果。 [0025] FIG. 2 is a graphical results lower machine output embodiment of the present invention embodiment.

[0026] 图3是本发明超声波加工刀具的超声波频率检测系统的使用状态不意图。 [0026] FIG. 3 is an ultrasonic frequency usage state detecting system of the present invention is not intended to ultrasonic machining tool.

具体实施方式 Detailed ways

[0027] 下面结合实施例和附图对本发明做详细的说明,本实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。 [0027] conjunction with the accompanying drawings and the following examples a detailed description of the invention, embodiments of the present embodiment in the present invention is a technical premise, given the specific operation and detailed embodiments, but the protection of the present invention range is not limited to the following examples.

[0028] 一种超声波加工刀具的超声波频率检测系统,包括:上位机和下位机。 [0028] An ultrasonic machining tool ultrasonic frequency detection system, comprising: upper and lower machine. 上位机由具备联网功能的计算机系统组成,负责数据分析和检测结果的最终图形化显示,以及系统个模块之间參数配置和数据交换的总体协调控制。 The host computer system includes a computer networking function in a final charge of data analysis and graphical display of the detection result, the control parameters and overall coordination between the system modules and data exchange.

[0029] 下位机由高性能嵌入式处理器、内存、输入输出外设等部件组成,结合嵌入式操作系统,组成体积小巧、性能強大的嵌入式软硬件平台,非常适合现场高速高效的数据采集和分析工作,为该检测系统的核心部件。 [0029] The lower machine by a high-performance embedded processor, memory, input and output peripherals, and other components, in conjunction with the embedded operating system, composed of compact, powerful embedded software and hardware platform suitable for field high-speed data acquisition and analysis, the detection system for the core component.

[0030] 图1是本发明中下位机模块架构示意图,如图所示,下位机包括以下模块: [0030] FIG. 1 is a schematic view of the architecture of the present invention, the lower unit module, as shown in FIG lower machine includes the following modules:

[0031] 麦克风阵列,用于声源定位和模拟信号的拾取。 [0031] a microphone array and sound source localization for picking up the analog signals. 麦克风阵列作为下位机的传感器部分,由多个指向性麦克风组成,配合后端处理器的控制,完成声源定位和有用信号拾取的工作。 As a microphone array sensor portion of the lower unit, a plurality of directional microphones, with the rear end of the control processor, complete and useful sound source localization pickup work. 使用时,将麦克风阵列放置在待加工エ件和刀具的接触点处,麦克风阵列通过电缆与下位机的模拟信号匹配和功率放大模块连接。 In use, the microphone array is placed at the contact point to be machined and the tool Ester member, connected to the microphone array module amplified analog signal matching and power cables and the next machine. 麦克风的频率响应特性要求IOkHz以下,本实施例中选用美国楼氏公司产品。 The frequency response characteristics of the microphone in claim IOkHz Hereinafter, the present embodiment selects American Knowles Company. [0032] 模拟信号匹配和功率放大模块,用于对微弱的模拟信号进行传输阻抗匹配和功率放大的预处理,为后道的模数转换做准备。 [0032] analog signal match and the power amplifier module, configured to transmit weak analog signal preprocessing impedance and power amplification, analog to digital conversion in preparation for the channel.

[0033] 模数转换模块,用于将采集的模拟信号转换成数字信号。 [0033] The analog to digital conversion means for converting an analog signal into a digital signal acquisition. 本实施例中采用专用于音频信号采集的低噪声高动态数据采集卡同时具备USB接ロ。 Examples dedicated to the audio signal acquired low-noise high dynamic data acquisition card of the present embodiment includes a USB connector while ro.

[0034] 信号处理模块,为下位机的核心,应用数字信号处理器DSP完成对采集的声音信号所进行的复杂算法,最終输出处理结果至数据通信模块。 [0034] The signal processing module to perform complex algorithms to the collected sound signal is performed as the core digital signal processor DSP application the next crew, the final output processing results to the data communication module.

[0035] 监听模块,该模块将信号处理后的声音信号经数模转换后再经过功率放大和喇叭输出,为操作者提供一路监听信号。 [0035] The monitor module, which sound signal after the signal processing digital to analog conversion and then output through the power amplifier and speaker, provide one monitoring signal to the operator.

[0036] 数据通信模块,支持USB、以太网、串行ロ等多种通信接ロ,保障下位机和上位机以及其他外设的正常数据通信。 [0036] Data communication module supports USB, Ethernet, serial communication interface ro ro other, guarantee the normal data communications lower computer and the host computer and other peripherals.

[0037] 供电模块,由多路AC-DC和DC-DC变换电路组成,为系统提供多路稳定的电源供电,保证系统运行正常。 [0037] The power supply module, a multi-channel AC-DC and DC-DC converting circuit, to provide multiple stable supply system, to ensure the system is operating normally.

[0038] 实施例: [0038] Example:

[0039] 测试エ件材料:K9玻璃; [0039] Test pieces of material Ester: K9 glass;

[0040] 测试エ件尺寸:口径50mm,厚度3mm ; [0040] Ester test piece dimensions: diameter 50mm, thickness 3mm;

[0041] 刀具超声波扫频范围:5KHz〜50KHz ; [0041] Tool ultrasonic sweep range: 5KHz~50KHz;

[0042] ①选择一块与待加工材料同材质的薄片,该薄片的尺寸在几十到一百毫米见方,厚度小于3毫米;本实施例中采用的测试エ件是K9玻璃,口径为50mm,厚度为3mm。 [0042] ① select a sheet material to be processed with the same material, the size of the sheet at several tens to one hundred mm square and a thickness of less than 3 millimeters; Ester test piece of the present embodiment is employed in Example K9 glass, diameter of 50mm, thickness of 3mm.

[0043] ②将该薄片放于刀具的下方并与刀具的表面边缘接触,借助机器臂或吸附装置将麦克风阵列置于待加工エ件和刀具的接触点处,麦克风阵列输出端连接模拟信号匹配和功率放大模块,最終将麦克风采集的信号以数据形式传输至PC机;如图3所示。 [0043] ② The sheet was placed below the surface of the tool and in contact with the edge of the tool, or the robot arm by means of suction means disposed at the contact point of the microphone array to be machined and the tool member Ester, the microphone array to match the analog signal output terminal connected and a power amplifier module, the microphone signal will eventually be collected in the form of data transmitted to the PC; as shown in FIG.

[0044] ③打开所述的超声波加工刀具的超声波频率检测系统:(本实施例中超声波扫频范围为:5KHz〜50KHz) [0044] ③ Open ultrasonic machining tool according to the ultrasonic frequency detection system according to the present embodiment, the ultrasonic :( sweep range: 5KHz~50KHz)

[0045] ④模拟信号匹配和功率放大模块接收麦克风阵列输出的模拟信号,并进行传输阻抗匹配和功率放大的预处理后传输给模数转换模块,模数转换模块将模拟信号转换数字信号后传输给信号处理模块; [0045] ④ analog signals and power to match the received amplified analog signal output from the microphone array module, and transmitted to an analog-digital converter module, analog to digital conversion module converts the analog signal after the digital signal transmission and impedance matching transmission power amplification pretreatment a signal processing module;

[0046]⑤模数转换模块将模拟信号转换数字信号后传输给信号处理模块; [0046] ⑤ analog to digital conversion module converts the analog signal after the transmission signal to a digital signal processing module;

[0047] ⑥信号处理模块对数字信号进行处理,包括频谱分析、声信号辐射能量分析、数据拟合。 [0047] ⑥ digital signal processing module for signal processing, including spectral analysis, the acoustic signal radiation energy analysis, data fitting. 本实施例以刀具超声波频率(横坐标)和碰撞声信号福射能量(纵坐标)的关系为最终输出,如图2所不。 In this embodiment, the tool ultrasonic frequency (abscissa) and the relationship between the energy emitted Fu (ordinate) of a final output signal collision sound, two not shown in FIG.

[0048] 记录刀具超声波频率f (kHz)、刀具和エ件碰撞声一次谐波频率F(Hz)、碰撞声归一化能量e (0〜I)。 [0048] recording tool ultrasound frequency f (kHz), and the tool member Ester collision noise first harmonic frequency F (Hz), a normalized impact sound energy e (0~I) of.

[0049] 用数据拟合的方法得出函数解析式e=g (f,F),并研究该函数单调性、极值和拐点等特性,确定最佳工作点。 [0049] Resolution Function stars e = g (f, F) data fitting method, the function is monotonic and research, and other characteristics of the extreme value and the inflection point, to determine the optimal operating point.

[0050] a.频谱分析:用快速傅里叶变换方法,得到碰撞声一次谐波频率,以及谐波能量。 . [0050] a spectrum analysis: using a fast Fourier transform method, to obtain a harmonic frequency impact sound, and harmonic energy. 具体实现过程如下: Specific procedures are as follows:

[0051] I)刀具超声波频率为f (j)时,麦克风采集的时域碰撞声信号序列:sj (n)进行快速傅里叶变换,得到频域序列:(Re(i),Im(i)),(其中Re(i)为实部,Im(i)为虚部)。 [0051] I) tool ultrasonic frequency as f (time J), ​​the microphone picks up sound of the collision time-domain signal sequence: sj (n) fast Fourier transform to obtain frequency-domain sequence: (Re (i), Im (i )), (wherein the real part Re (i), Im (i) is the imaginary part). 并求出谱线能量:E(i)=root ((Re (i) ) '2+ (Im ⑴)~2);[0052] 2)对E(i)进行高斯函数拟合,求出一次谐波谱线。 And the energy spectrum is determined: E (i) = root ((Re (i)) '2+ (Im ⑴) ~ 2); [0052] 2) to E (i) Gaussian function fitting, one obtains harmonic spectrum. 因为E(i)分布符合高斯函数f (X) =a*exp (- (xb) ~2/c),所以,能够通过最小ニ乘等曲线拟合的方法求出E (i)分布的解析式:E(i)=a*eXp(-(1-b) ~2/c),根据高斯函数的性质可以求得,在i=b处为一次谐波谱线。 Because E (i) follows a Gaussian distribution function f (X) = a * exp (- (xb) ~ 2 / c), it is possible by a method of curve fitting the minimum ni determined by analytical E (i) Distribution formula: E (i) = a * eXp (- (1-b) ~ 2 / c), depending on the nature of the Gaussian function may be determined, i = b at the first harmonic spectral line.

[0053] 3)碰撞声信号一次谐波频率为:F(j)=Fs*b/N,其中,Fs为采样频率,N为FFT阶数。 [0053] 3) collision noise signal first harmonic frequency: F (j) = Fs * b / N, where, Fs is the sampling frequency, N is the order of FFT.

[0054] b.声信号福射能量分析: . [0054] b Four acoustic signal emitted energy analysis:

[0055] 刀具超声波频率为f (j)时,刀具与エ件碰撞声信号辐射能量:E(j)=a*exp(-l/c),从而得到刀具超声波频率和碰撞声信号辐射能量的对应关系(f(j),E(j))序列。 [0055] Tool ultrasonic frequency is f (j), the tool member with the impact sound signal Ester radiation energy: E (j) = a * exp (-l / c), whereby the tool and the collision frequency of the ultrasonic energy radiated acoustic signals correspondence relationship (f (j), E (j)) sequence.

[0056] c.数据拟合:用高斯函数拟合的方法,求出碰撞声能量的解析式:e=g (f,F),(其中,e为碰撞声归ー化能量,f为刀具超声波频率,F为刀具和エ件碰撞声一次谐波频率)。 [0056] c Data fitting: The method of fitting a Gaussian function to determine the energy of the impact sound analytical formula: e = g (f, F), (where, e is the normalized impact sound ー of energy, f is the tool ultrasonic frequency, F, and the tool member Ester collision noise first harmonic frequency). 同时利用切线法或高斯法计算能量极值点,并在能量极值点附近寻找对应刀具超声波频率。 While energy is calculated using the tangent method extreme point or Gaussian method, and find the corresponding tool in the vicinity of an ultrasonic frequency energy extreme point.

[0057] ⑦监听模块通过对信号处理模块的输出信号进行数字/模拟转换后,将处理后的信号通过喇叭输出,用于操作者监听; After [0057] ⑦ listener module output signal by a digital signal processing module / analog conversion, the signal is processed by the speaker output, for an operator to listen;

[0058] ⑧数据通信模块将信号处理结果传输给上位机或其他外部设备。 [0058] ⑧ data communication module transmitting the signal processing result to the host computer or other external devices. 如图2所示,本实施例中,最佳超声波频率出现在图形峰值:29.57KHz处。 2, in this embodiment, the optimum ultrasonic frequency occurs at a peak pattern: 29.57KHz place.

[0059] 经测量和信号处理后,由下位机输出最終的图形化结果,传输至上位机并显示,如附图2所示。 [0059] After the measurement and signal processing, the final output of the next crew graphical result, transmitted to the host and the display, as shown in Figure 2. 同时对刀具超声波选频过程中产生的碰撞声进行必要的音响处理后经喇叭输出; The speaker outputs sound of the collision of the tool while the ultrasonic frequency selection process produces the necessary sound processing;

[0060] 測量结果分析:最佳刀具超声波频率出现在图像最大极值附件,本实施例中,最佳超声频率为29.57KHz。 [0060] Measurement results of the analysis: the best tool ultrasonic frequency occurs at the maximum image extremum annex, in this embodiment, the optimum ultrasonic frequency of 29.57KHz.

[0061] 经试验表明,本发明通过实测和信号处理的方法,量化刀具频率选取依据,结合音响处理辅助,提供操作者视觉和听觉感受,有效的将刀具频率选取过程简单化,依据碰撞声能量解析式的函数特性分析以及能量极值点位置分析,得出最优加工频率的最可能分布范围,从而指导超声波加工中心操作人员确定刀具超声波频率。 [0061] The test shows that the present invention is measured by the method and signal processing, the quantized frequency selected based on the tool, in conjunction with auxiliary audio processing, providing the operator a visual and auditory experience, the effective frequency of the selected tool to simplify the process, based on the acoustic energy of the collision the analytic form of the function characteristic analysis and energy extremum position analysis, the distribution range of the most probable optimum processing frequency, ultrasonic machining center to guide the operator to determine the frequency of the ultrasonic tool.

Claims (2)

1.一种超声波加工刀具的超声波频率检测系统,包括:上位机和下位机,其特征在干,所述的下位机包括: 麦克风阵列,用于声源定位和模拟信号的拾取; 模拟信号匹配和功率放大模块,用于对微弱的模拟信号进行传输阻抗匹配和功率放大的预处理; 模数转换模块,用于将采集的模拟信号转换成数字信号; 信号处理模块,对数字信号进行处理,输出处理结果; 监听模块,用于将处理结果进行数模转换后再经过功率放大和喇叭输出,为操作者提供一路监听信号; 数据通信模块,用于下位机和上位机以及其他外设之间的数据通信; 供电模块,提供多路稳定的电源供电,保系统运行正常。 An ultrasonic machining tool ultrasonic frequency detection system, comprising: upper and lower machine, characterized in that the dry, the lower machine comprising: a microphone array and sound source localization for picking up an analog signal; an analog signal match and a power amplifier module, configured to weak analog signals and impedance matching transmission power amplification pretreatment; analog to digital conversion means for converting an analog signal into a digital signal acquisition; signal processing module, the digital signal processing, outputs the processing result; monitoring module, the processing result for digital to analog conversion and then output through the power amplifier and speaker, provide one monitoring signal to the operator; data communication module for lower computer and the host computer and other peripherals between data communications; a power supply module to provide multiple stable supply, security system is operating normally.
2.ー种利用权利要求1所述的超声波频率检测系统,实现超声波加工刀具的超声波频率检测方法,其特征在于,该方法包括如下步骤: ①选择一块与待加工材料同材质的薄片,该薄片的尺寸在几十到一百毫米见方,厚度小于3毫米; ②将该薄片放于刀具的下方并与刀具的表面边缘接触,将麦克风阵列置于待加工エ件和刀具的接触点处; ③打开所述的超声波加工刀具的超`声波频率检测系统; ④模拟信号匹配和功率放大模块接收麦克风阵列输出的模拟信号,并进行传输阻抗匹配和功率放大的预处理后传输给模数转换模块; ⑤模数转换模块将模拟信号转换数字信号后传输给信号处理模块; ⑥信号处理模块对数字信号进行处理,将信号处理结果输入给数据通信模块; ⑦监听模块通过对信号处理模块的输出信号进行数字/模拟转换后,将处理后的信号通过喇 2. The use as claimed in claim ー species ultrasonic frequency detection system of claim 1, implemented method for detecting the ultrasonic frequency of the ultrasonic machining tool, characterized in that the method comprises: ① From selecting a sheet material to be processed with the same material, the sheet the size of several tens to a hundred mm square and a thickness of less than 3 millimeters; ② the sheet placed in the tool and in contact with the bottom surface of the edge of the tool, the microphone array is placed at the contact point to be machined and a tool member Ester; ③ open ultrasonic machining tool according to `ultra sound frequency detection system; ④ analog signals and power amplifier matching module receives the microphone array output an analog signal, and transmission power amplification and impedance matching pretreatment transmitted to analog to digital conversion module; ⑤ analog to digital conversion module converts the analog signal into a digital signal to the signal processing module; ⑥ signal processing module for processing a digital signal, the signal processing result is input to the data communication module; ⑦ monitoring module by the output signal of the signal processing module signal is digital / analog converted, processed by La 输出,用于操作者监听; ⑧数据通信模块将信号处理结果传输给上位机或其他外部设备。 An output for an operator to listen; ⑧ data communication module transmitting the signal processing result to the host computer or other external devices.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281590A (en) * 2015-11-09 2016-01-27 江南大学 Ultrasonic frequency detection method of ultrasonic biological treatment
TWI566062B (en) * 2015-04-02 2017-01-11
US9956661B2 (en) 2014-11-20 2018-05-01 Industrial Technology Research Institute Feedback control numerical machine tool and method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6480826A (en) * 1987-09-24 1989-03-27 Fuji Electric Co Ltd Vibration monitor meter
US20080110266A1 (en) * 2006-11-10 2008-05-15 Penrith Corporation Transducer array imaging system
CN101680948A (en) * 2007-04-10 2010-03-24 C·R·巴德股份有限公司 Low power ultrasound system
CN202382848U (en) * 2012-01-04 2012-08-15 东北石油大学 Portable vibration signal analyzer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6480826A (en) * 1987-09-24 1989-03-27 Fuji Electric Co Ltd Vibration monitor meter
US20080110266A1 (en) * 2006-11-10 2008-05-15 Penrith Corporation Transducer array imaging system
CN101680948A (en) * 2007-04-10 2010-03-24 C·R·巴德股份有限公司 Low power ultrasound system
CN202382848U (en) * 2012-01-04 2012-08-15 东北石油大学 Portable vibration signal analyzer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9956661B2 (en) 2014-11-20 2018-05-01 Industrial Technology Research Institute Feedback control numerical machine tool and method thereof
TWI566062B (en) * 2015-04-02 2017-01-11
CN105281590A (en) * 2015-11-09 2016-01-27 江南大学 Ultrasonic frequency detection method of ultrasonic biological treatment
CN105281590B (en) * 2015-11-09 2017-09-19 江南大学 The method of detecting ultrasonic frequency ultrasonic biological treatment

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