CN101271044B - Ultrasonic generator appraisement instrument - Google Patents
Ultrasonic generator appraisement instrument Download PDFInfo
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- CN101271044B CN101271044B CN2008100374663A CN200810037466A CN101271044B CN 101271044 B CN101271044 B CN 101271044B CN 2008100374663 A CN2008100374663 A CN 2008100374663A CN 200810037466 A CN200810037466 A CN 200810037466A CN 101271044 B CN101271044 B CN 101271044B
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Abstract
An ultrasonic generator evaluation instrument includes a CPU processing unit, a pre-stage sampling circuit and a last-stage sampling circuit with the input respectively connected with the CPU processing unit; the pre-stage sampling circuit collects the electric signal input by the ultrasonic generator and inputs the signal to the CPU processing unit; the last-stage sampling circuit collects the electric signal output by the ultrasonic generator and inputs the signal to the CPU processing unit; the CPU processing unit compares the electric signal input by the pre-stage sampling circuit and the last-stage sampling circuit, and evaluates the working efficiency of the ultrasonic generator; meanwhile, the ultrasonic generator evaluation instrument can monitor the working status of the ultrasonic generator within the high-frequency and power-frequency range and can directly evaluate the working efficiency of the ultrasonic generator.
Description
Technical field
The present invention relates to a kind of evaluation appts, particularly relate to a kind of evaluation appts of monitoring the ultrasonic generator work efficiency.
Background technology
At present, ultrasonic technique is widely used, and ultrasonic device is applied to every field such as machinery, electronics, chemical industry, the energy, medical treatment.Most in actual applications working conditions that need real-time watch device are as supersonic wave cleaning machine, ultrasonic welding machine, ultrasonic equipment for medicine etc.Ultrasonic equipment includes transducer, ultrasonic generator and other utility appliance.Ultrasonic generator provides work capacity for transducer, makes it convert electric energy to acoustic energy.The work efficiency of ultrasonic generator directly influences the working condition of transducer.But because mostly ultrasonic applications and the required frequency of scientific experiment are that tens KHz are to the hundreds of KHz, so general power frequency surveying instrument as the power meter of power frequency scope, can not satisfy the requirement of measuring accuracy.And, can not directly provide the work efficiency of ultrasonic generator.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can monitor the situation of the ultrasonic generator of in high frequency and power frequency scope, working and the ultrasonic generator appraisement instrument that directly provides the ultrasonic generator work efficiency simultaneously.
The present invention to achieve the above object, the technical scheme of being taked is: a kind of ultrasonic generator appraisement instrument is provided, and it comprises: prime sample circuit that CPU processing unit, output terminal are connected with the CPU processing unit respectively and final stage sample circuit; The prime sample circuit is gathered the electric signal of ultrasonic generator input and is entered in the CPU processing unit; The final stage sample circuit is gathered the electric signal of ultrasonic generator output and is entered in the CPU processing unit; The CPU processing unit compares processing to the electric signal of prime sample circuit and the input of final stage sample circuit, provides the evaluation of ultrasonic generator work efficiency.
Beneficial effect of the present invention:
1. the present invention can monitor the working condition of ultrasonic generator simultaneously in high frequency and power frequency scope.As above-mentioned structure of the present invention, it comprises prime sample circuit and final stage sample circuit.The collection of prime sample circuit be the electric signal of input ultrasonic generator, comprise the parameter of the power frequency scopes such as instantaneous power, electric current, voltage of input; The collection of final stage sample circuit be the electric signal of ultrasonic generator output, be the power signal in the high-frequency range; So the present invention can monitor the working condition of ultrasonic generator in high frequency and power frequency scope simultaneously.
2. the present invention can directly provide the evaluation of ultrasonic generator work efficiency.As above-mentioned structure of the present invention, it comprises the CPU processing unit, and the CPU processing unit directly provides the evaluation (efficiency value) of ultrasonic generator work efficiency after the electric signal of prime sample circuit and final stage sample circuit input is compared processing.
Description of drawings
Fig. 1 is the structural representation of ultrasonic generator appraisement instrument one embodiment of the present invention.
Embodiment
Further specify architectural feature of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, evaluation instrument of the present invention comprises CPU processing unit 3, the final stage sample circuit 2 that the prime sample circuit 1 that output terminal is connected with CPU processing unit 3 and output terminal are connected with the CPU processing unit.As shown in Figure 1, prime sample circuit 1 is connected to the input end of ultrasonic generator, and the electric signal of collection input ultrasonic generator also is entered in the CPU processing unit 3; Final stage sample circuit 2 is connected between ultrasonic generator output terminal and the transducer, and the electric signal of collection ultrasonic generator output also is entered in the CPU processing unit 3; CPU processing unit 3 compares the work efficiency that provides ultrasonic generator after the processing for the electric signal of both inputs.
As shown in Figure 1, described prime sample circuit 1 comprises prime signal gathering unit 101, the prime signal measurement unit 102 that is connected with prime signal gathering unit 101 output terminals.In the present embodiment, prime signal gathering unit 101 is a mutual inductor (being current transformer or voltage transformer (VT)).Prime signal measurement unit 102 is an electric energy computation chip, (the CS5463 chip can accurately be measured instantaneous voltage, electric current and calculating electric current root mean square, voltage root mean square, instantaneous power, active power, reactive power, can be used for developing single-phase, 2 lines or 3 line ammeters as the CS5463 chip.Provide by Cirrus Logic company).Mutual inductor as prime signal gathering unit 101 is sampled to voltage, the electric current of input, and the signal that obtains is transferred in the prime signal measurement unit 102, electric energy computation chip CS5463 as prime signal measurement unit 102 measures instantaneous voltage, electric current, and calculate IRMS (electric current root mean square), VRMS (voltage root mean square), instantaneous power, active power, reactive power etc., and its output signal is sent in the CPU processing unit 3.
As shown in Figure 1, described final stage sample circuit 2 comprises final stage signal gathering unit 201, the final stage signal measurement unit 202 that is connected with final stage signal gathering unit 201 output terminals, the analog to digital conversion circuit 203 that is connected with final stage signal measurement unit 202 output terminals.In the present embodiment, final stage signal gathering unit 201 is a resitstance voltage divider.Final stage signal measurement unit 202 comprises an analog multiplier chip and a real effective conversion chip, as AD633 chip and AD637 chip (the AD633 chip can carry out multiplication, division, square, computing such as evolution, provide by ADI company; The AD637 chip has the function that can calculate real effective, is provided by ADI company).Analog to digital conversion circuit 203 is an A/D converter.Wherein carry out the sampling of voltage and current as the resitstance voltage divider of final stage signal gathering unit 201, AD633 chip in the final stage signal measurement unit 202 carries out the output power computing with the sampled signal that receives, obtain effective value through the AD637 chip, become digital signal to be input in the CPU processing unit analog signal conversion by analog to digital conversion circuit again.
As shown in Figure 1, described CPU processing unit 3 comprises CPU processor 301, respectively the buffer circuit 302 that is connected with CPU processor 301, display circuit 303 and keyboard control circuit 304.CPU processor 301 compares computing with the prime sampled signal that receives and final stage sampled signal and can estimate the working condition of ultrasonic generator.As the instantaneous voltage of output services efficient, power frequency power, input, electric current, high frequency power etc., and show the numerical value of its various parameters by display circuit 303.Buffer circuit 302 isolates out undesired signal, with steady operation and the accurate operational data of guaranteeing CPU processor 301.Can directly control the work of CPU processor 301 by keyboard control circuit 304.
Claims (6)
1. a ultrasonic generator appraisement instrument is characterized in that it comprises: prime sample circuit that CPU processing unit, output terminal are connected with the CPU processing unit respectively and final stage sample circuit; The prime sample circuit is gathered the electric signal of ultrasonic generator input and is entered in the CPU processing unit; The final stage sample circuit is gathered the electric signal of ultrasonic generator output and is entered in the CPU processing unit; The CPU processing unit compares processing to the electric signal of prime sample circuit and the input of final stage sample circuit, provides the evaluation of ultrasonic generator work efficiency; Described prime sample circuit comprises the prime signal gathering unit, the prime signal measurement unit that is connected with prime signal gathering unit output terminal; Described final stage sample circuit comprises the final stage signal gathering unit, the final stage signal measurement unit that is connected with final stage signal gathering unit output terminal, the analog to digital conversion circuit that is connected with final stage signal measurement unit output terminal.
2. ultrasonic generator appraisement instrument according to claim 1 is characterized in that described prime signal gathering unit is a mutual inductor.
3. ultrasonic generator appraisement instrument according to claim 1 is characterized in that described prime signal measurement unit is an electric energy computation chip.
4. ultrasonic generator appraisement instrument according to claim 1 is characterized in that described final stage signal gathering unit is a resitstance voltage divider.
5. ultrasonic generator appraisement instrument according to claim 1 is characterized in that described final stage signal measurement unit comprises an analog multiplier chip and a real effective conversion chip.
6. ultrasonic generator appraisement instrument according to claim 1 is characterized in that described CPU processing unit comprises the CPU processor, respectively buffer circuit, display circuit and the keyboard control circuit that is connected with the CPU processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100374663A CN101271044B (en) | 2008-05-15 | 2008-05-15 | Ultrasonic generator appraisement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100374663A CN101271044B (en) | 2008-05-15 | 2008-05-15 | Ultrasonic generator appraisement instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101271044A CN101271044A (en) | 2008-09-24 |
| CN101271044B true CN101271044B (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100374663A Expired - Fee Related CN101271044B (en) | 2008-05-15 | 2008-05-15 | Ultrasonic generator appraisement instrument |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108709932B (en) * | 2018-04-04 | 2021-04-06 | 西安理工大学 | Track state detection method based on ultrasonic guided wave broken track detection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062458U (en) * | 1989-12-29 | 1990-09-19 | 烟台航海学会 | Ultrasonic wave transducer testing device |
| CN1107973A (en) * | 1994-01-28 | 1995-09-06 | 北京市市政工程研究院 | Automatic ultrasonic detecting and analytical instrument with program-control amplification |
| CN1804562A (en) * | 2005-01-10 | 2006-07-19 | 重庆微海软件开发有限公司 | Real-time ultrasonic energy monitoring device and method |
| CN2835964Y (en) * | 2005-09-08 | 2006-11-08 | 中国人民解放军***南京总医院 | Ultrasonic power metering device |
-
2008
- 2008-05-15 CN CN2008100374663A patent/CN101271044B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062458U (en) * | 1989-12-29 | 1990-09-19 | 烟台航海学会 | Ultrasonic wave transducer testing device |
| CN1107973A (en) * | 1994-01-28 | 1995-09-06 | 北京市市政工程研究院 | Automatic ultrasonic detecting and analytical instrument with program-control amplification |
| CN1804562A (en) * | 2005-01-10 | 2006-07-19 | 重庆微海软件开发有限公司 | Real-time ultrasonic energy monitoring device and method |
| CN2835964Y (en) * | 2005-09-08 | 2006-11-08 | 中国人民解放军***南京总医院 | Ultrasonic power metering device |
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| CN101271044A (en) | 2008-09-24 |
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Granted publication date: 20100414 Termination date: 20130515 |