CN103575949A - High-accuracy handhold digital oscilloscope - Google Patents
High-accuracy handhold digital oscilloscope Download PDFInfo
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- CN103575949A CN103575949A CN201210280279.4A CN201210280279A CN103575949A CN 103575949 A CN103575949 A CN 103575949A CN 201210280279 A CN201210280279 A CN 201210280279A CN 103575949 A CN103575949 A CN 103575949A
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Abstract
The invention discloses a high-accuracy handhold digital oscilloscope which comprises a data collecting circuit, a low-pass filtering circuit, an A/D converter, a data transmission module, a spectral analysis and parameter adjustment circuit, a waveform display circuit and a microprocessor. A signal output end of the data collecting circuit is connected with a signal input end of the low-pass filtering circuit. A signal output end of the low-pass filtering circuit is connected with a signal input end of the A/D converter. A signal output end of the A/D converter is connected with a signal input end of the data transmission module. Signal output ends of the data transmission module are connected with a signal input end of the spectral analysis and parameter adjustment circuit and a signal input end of the waveform display circuit. A signal output end of the spectral analysis and parameter adjustment circuit and a signal output end of the waveform display circuit are connected with a signal input end of the microprocessor. According to the technical scheme, the high-accuracy handhold digital oscilloscope overcomes the shortcoming that a traditional oscilloscope cannot store and analyze detecting results, and the measuring accuracy of a whole system is improved.
Description
Technical field
The present invention relates to a kind of digital oscilloscope, particularly relate to a kind of high precision handheld digital oscillograph.
Background technology
Oscillograph is a kind of comprehensive electrical signal tester device, the invisible electric signal of eyes can be converted to the waveform that can directly observe is shown on 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 oscillograph y deflection pole plate, the alternating electromotive force producing size from electrodynamic induction.Current digital oscilloscope complex structure, cost are high, and intelligent degree is low, can not the data of measuring be preserved and be analyzed.
Summary of the invention
The object of the invention is to provide in order to address the above problem a kind of simple in structure, cost is low, intelligent degree is high high precision handheld digital oscillograph.
The present invention is achieved by 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 is connected with the signal input part of described waveform display circuit with parameter regulating circuit with described analysis of spectrum respectively, described analysis of spectrum is connected with the signal output part of described waveform display circuit and the signal input part of described microprocessor with parameter regulating circuit.
After data acquisition circuit collection signal, through signal, transfer to low-pass filter circuit and carry out filtering processing, signal after filtering is processed 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 GPRS wireless communication module.
The invention has the beneficial effects as follows:
By adopting technique scheme, the invention solves the shortcoming that traditional oscillograph can not be stored and analyze testing result, also improved the measuring accuracy of whole system, GPRS wireless communication module is set in oscillograph, make measurement result realize remote detection, the present invention can be widely used in industrial circle wave test.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of high precision handheld digital oscillograph of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
As shown in Figure 1, high precision handheld digital oscillograph of the present invention, 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 is connected with the signal input part of described waveform display circuit with parameter regulating circuit with described analysis of spectrum respectively, described analysis of spectrum is connected with the signal output part of described waveform display circuit and the signal input part of described microprocessor with parameter regulating circuit.
After data acquisition circuit collection signal, through signal, transfer to low-pass filter circuit and carry out filtering processing, signal after filtering is processed 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 GPRS wireless communication module.
Claims (4)
1. a 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 is connected with the signal input part of described waveform display circuit with parameter regulating circuit with described analysis of spectrum respectively, described analysis of spectrum is connected with the signal output part of described waveform display circuit and the signal input part of described microprocessor with parameter regulating circuit.
2. high precision handheld digital oscillograph according to claim 1, is characterized in that: 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.
3. high precision handheld digital oscillograph according to claim 1, is characterized in that: 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.
4. high precision handheld digital oscillograph according to claim 1, is characterized in that: described handheld digital oscillograph also comprises GPRS wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280279.4A CN103575949A (en) | 2012-08-08 | 2012-08-08 | High-accuracy handhold digital oscilloscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280279.4A CN103575949A (en) | 2012-08-08 | 2012-08-08 | High-accuracy handhold digital oscilloscope |
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| Publication Number | Publication Date |
|---|---|
| CN103575949A true CN103575949A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210280279.4A Pending CN103575949A (en) | 2012-08-08 | 2012-08-08 | High-accuracy handhold digital oscilloscope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699724B (en) * | 2016-03-25 | 2018-08-14 | 北华航天工业学院 | Long-range hybrid domain analog measurement instrument |
| CN110349554A (en) * | 2019-07-12 | 2019-10-18 | 开封大学 | A kind of computer display automatic brightness adjustment device |
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| JP2003248021A (en) * | 2001-12-18 | 2003-09-05 | Yokogawa Electric Corp | Waveform measuring device |
| CN101013142A (en) * | 2006-12-29 | 2007-08-08 | 徐红启 | Portable universal digital storage oscillograph |
| CN101504428A (en) * | 2009-03-19 | 2009-08-12 | 优利德科技（东莞）有限公司 | Electronic measurement method and multifunctional electronic measuring instrument |
| CN201477136U (en) * | 2009-03-20 | 2010-05-19 | 无锡爱森思电气科技有限公司 | Color LCD multifunctional power instrument |
| CN101762732A (en) * | 2009-11-10 | 2010-06-30 | 北京普源精电科技有限公司 | Oscilloscope with automatic measurement function and measurement data storage method thereof |
| CN202794278U (en) * | 2012-08-08 | 2013-03-13 | 成都爱信雅克科技有限公司 | High-precision handheld type digital oscilloscope |
-
2012
- 2012-08-08 CN CN201210280279.4A patent/CN103575949A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003248021A (en) * | 2001-12-18 | 2003-09-05 | Yokogawa Electric Corp | Waveform measuring device |
| CN101013142A (en) * | 2006-12-29 | 2007-08-08 | 徐红启 | Portable universal digital storage oscillograph |
| CN101504428A (en) * | 2009-03-19 | 2009-08-12 | 优利德科技（东莞）有限公司 | Electronic measurement method and multifunctional electronic measuring instrument |
| CN201477136U (en) * | 2009-03-20 | 2010-05-19 | 无锡爱森思电气科技有限公司 | Color LCD multifunctional power instrument |
| CN101762732A (en) * | 2009-11-10 | 2010-06-30 | 北京普源精电科技有限公司 | Oscilloscope with automatic measurement function and measurement data storage method thereof |
| CN202794278U (en) * | 2012-08-08 | 2013-03-13 | 成都爱信雅克科技有限公司 | High-precision handheld type digital oscilloscope |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699724B (en) * | 2016-03-25 | 2018-08-14 | 北华航天工业学院 | Long-range hybrid domain analog measurement instrument |
| CN110349554A (en) * | 2019-07-12 | 2019-10-18 | 开封大学 | A kind of computer display automatic brightness adjustment device |
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Application publication date: 20140212 |