CN202794278U - High-precision handheld type digital oscilloscope - Google Patents
High-precision handheld type digital oscilloscope Download PDFInfo
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- CN202794278U CN202794278U CN 201220390652 CN201220390652U CN202794278U CN 202794278 U CN202794278 U CN 202794278U CN 201220390652 CN201220390652 CN 201220390652 CN 201220390652 U CN201220390652 U CN 201220390652U CN 202794278 U CN202794278 U CN 202794278U
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Abstract
The utility model discloses a high-precision handheld type digital oscilloscope, comprising a data acquisition circuit, a low-pass filtering circuit, an A/D (analog/digital) converter, a data transmission module, a spectral analysis and parameter regulation circuit, a waveform display circuit and a microprocessor, wherein the signal output end of the data acquisition circuit is connected with the signal input end of the low-pass filtering circuit, the signal output end of the low-pass filtering circuit is connected with the signal input end of the A/D converter, the signal output end of the A/D converter is connected with the signal input end of the data transmission module, the signal output end of the data transmission module is respectively connected with the signal input ends of the spectral analysis and parameter regulation circuit and the waveform display circuit, and the signal output ends of the spectral analysis and parameter regulation circuit and the waveform display circuit are connected with the signal input end of the microprocessor. By adoption of the above technical proposal, the high-precision handheld type digital oscilloscope disclosed by the utility model overcomes the disadvantage that the oscilloscope in the prior art cannot store and analyze a detection result and also improves the measurement accuracy of the whole system.
Description
Technical field
The utility model relates to a kind of digital oscilloscope, particularly relates to a kind of high precision handheld digital oscillograph.
Background technology
Oscillograph is a kind of comprehensive electrical signal tester device, can convert the invisible electric signal of eyes to can directly observe waveform is shown on the display screen, utilize the size of wave-shape amplitude and change and reflect relative size and the variation that is added in the voltage on the oscillograph y deflection pole plate, the alternating electromotive force that from electrodynamic induction, produces size.Present digital oscilloscope complex structure, cost height, intelligent degree is low, can not preserve and analyze the data of measuring.
Summary of the invention
The purpose of this utility model is that a kind of simple in structure, cost is low, intelligent degree is high high precision handheld digital oscillograph is provided in order to address the above problem.
The utility model is achieved through the following technical solutions:
A kind of high precision handheld digital oscillograph, comprise keyboard and display screen, comprise data acquisition circuit, low-pass filter circuit, A/D converter, data transmission module, spectrum analysis and parameter regulating circuit, waveform display circuit and microprocessor, the signal output part of described data acquisition circuit is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data transmission module, the signal output part of described data transmission module respectively with described spectrum analysis and parameter regulating circuit be connected the signal input part of waveform display circuit and be connected, described spectrum analysis and parameter regulating circuit be connected the signal output part of waveform display circuit and be connected with the signal input part of described microprocessor.
Behind the data acquisition circuit collection signal, transfer to low-pass filter circuit through signal and carry out the filtering processing, signal after the filtering processing is converted to digital signal through A/D converter, digital signal transfers to spectrum analysis and parameter regulating circuit, waveform display circuit through data transmission module, signal after regulating circuit and display circuit are processed transfers to microprocessor, and microprocessor is preserved data and exported signal to display screen.
Further, described handheld digital oscillograph also comprises data-carrier store, and the signal input part of described data-carrier store is connected with the signal output part of described microprocessor.
As preferably, described handheld digital oscillograph also comprises printer, and the signal input part of described printer is connected with the signal output part of described microprocessor.
Further, described handheld digital oscillograph also comprises the GPRS wireless communication module.
The beneficial effects of the utility model are:
By adopting technique scheme, the utility model has solved the shortcoming that traditional oscillograph can not be stored and analyzes testing result, also improved the measuring accuracy of whole system, the GPRS wireless communication module is set in oscillograph, make measurement result realize remote detection, the utility model can be widely used in the industrial circle wave test.
Description of drawings
Fig. 1 is the structured flowchart of the utility model high precision handheld digital oscillograph.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
As shown in Figure 1, the utility model high precision handheld digital oscillograph, comprise keyboard and display screen, comprise data acquisition circuit, low-pass filter circuit, A/D converter, data transmission module, spectrum analysis and parameter regulating circuit, waveform display circuit and microprocessor, the signal output part of described data acquisition circuit is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data transmission module, the signal output part of described data transmission module respectively with described spectrum analysis and parameter regulating circuit be connected the signal input part of waveform display circuit and be connected, described spectrum analysis and parameter regulating circuit be connected the signal output part of waveform display circuit and be connected with the signal input part of described microprocessor.
Behind the data acquisition circuit collection signal, transfer to low-pass filter circuit through signal and carry out the filtering processing, signal after the filtering processing is converted to digital signal through A/D converter, digital signal transfers to spectrum analysis and parameter regulating circuit, waveform display circuit through data transmission module, signal after regulating circuit and display circuit are processed transfers to microprocessor, and microprocessor is preserved data and exported signal to display screen.
Described handheld digital oscillograph also comprises data-carrier store, and the signal input part of described data-carrier store is connected with the signal output part of described microprocessor.
Described handheld digital oscillograph also comprises printer, and the signal input part of described printer is connected with the signal output part of described microprocessor.Described handheld digital oscillograph also comprises the GPRS wireless communication module.
Claims (4)
1. high precision handheld digital oscillograph, comprise keyboard and display screen, it is characterized in that: comprise data acquisition circuit, low-pass filter circuit, A/D converter, data transmission module, spectrum analysis and parameter regulating circuit, waveform display circuit and microprocessor, the signal output part of described data acquisition circuit is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described data transmission module, the signal output part of described data transmission module respectively with described spectrum analysis and parameter regulating circuit be connected the signal input part of waveform display circuit and be connected, described spectrum analysis and parameter regulating circuit be connected the signal output part of waveform display circuit and be connected with the signal input part of described microprocessor.
2. high precision handheld digital oscillograph according to claim 1, it is characterized in that: described handheld digital oscillograph also comprises data-carrier store, the signal input part of described data-carrier store is connected with the signal output part of described microprocessor.
3. high precision handheld digital oscillograph according to claim 1, it is characterized in that: described handheld digital oscillograph also comprises printer, the signal input part of described printer is connected with the signal output part of described microprocessor.
4. high precision handheld digital oscillograph according to claim 1, it is characterized in that: described handheld digital oscillograph also comprises the GPRS wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220390652 CN202794278U (en) | 2012-08-08 | 2012-08-08 | High-precision handheld type digital oscilloscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220390652 CN202794278U (en) | 2012-08-08 | 2012-08-08 | High-precision handheld type digital oscilloscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794278U true CN202794278U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220390652 Expired - Fee Related CN202794278U (en) | 2012-08-08 | 2012-08-08 | High-precision handheld type digital oscilloscope |
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| CN (1) | CN202794278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575949A (en) * | 2012-08-08 | 2014-02-12 | 成都爱信雅克科技有限公司 | High-accuracy handhold digital oscilloscope |
| CN104142415A (en) * | 2013-05-08 | 2014-11-12 | 固纬电子实业股份有限公司 | Oscilloscope capable of rotating to display picture |
| CN105510665A (en) * | 2015-11-27 | 2016-04-20 | 杭州盟控仪表技术有限公司 | Diesel generating set controller-based online digital oscilloscope device |
| CN105699724B (en) * | 2016-03-25 | 2018-08-14 | 北华航天工业学院 | Long-range hybrid domain analog measurement instrument |
-
2012
- 2012-08-08 CN CN 201220390652 patent/CN202794278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575949A (en) * | 2012-08-08 | 2014-02-12 | 成都爱信雅克科技有限公司 | High-accuracy handhold digital oscilloscope |
| CN104142415A (en) * | 2013-05-08 | 2014-11-12 | 固纬电子实业股份有限公司 | Oscilloscope capable of rotating to display picture |
| CN105510665A (en) * | 2015-11-27 | 2016-04-20 | 杭州盟控仪表技术有限公司 | Diesel generating set controller-based online digital oscilloscope device |
| CN105510665B (en) * | 2015-11-27 | 2019-01-29 | 浙江中控自动化仪表有限公司 | A kind of online digital oscilloscope device based on controller of diesel generator set |
| CN105699724B (en) * | 2016-03-25 | 2018-08-14 | 北华航天工业学院 | Long-range hybrid domain analog measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130808 |