CN104267227A - Portable oscilloscope - Google Patents
Portable oscilloscope Download PDFInfo
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- CN104267227A CN104267227A CN201410449142.6A CN201410449142A CN104267227A CN 104267227 A CN104267227 A CN 104267227A CN 201410449142 A CN201410449142 A CN 201410449142A CN 104267227 A CN104267227 A CN 104267227A
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Abstract
The invention provides a portable oscilloscope. The portable oscilloscope comprises an input module, a display module, a control module, a signal collecting module, an A/D signal conversion module and a preprocessing module, wherein the input module is connected with the first input end of the control module to achieve human-computer interaction; the display module is connected with the first output end of the control module; the first input end of the preprocessing module is used for receiving a to-be-tested signal, and the second input end of the preprocessing module is connected with the second output end of the control module; the input end of the A/D signal conversion module is connected with the output end of the preprocessing module to receive preprocessed to-be-tested signal for A/D conversion; the first input end of the signal collecting module is connected with the output end of the A/D signal conversion module, the second input end of the signal collecting module is connected with the second output end of the control module, and the output end of the signal collecting module is connected with the second input end of the control module; input signals are processed through the control module and displayed through the display module. The portable oscilloscope is low in cost, low in electricity consumption, small in size and convenient to carry.
Description
Technical field
The present invention relates to electronic measuring technology field, particularly relate to a kind of portable oscilloscope.
Background technology
At present, oscillograph is a kind of application electronic measuring instrument very widely, in the research and development of electronic applications, experiment, training, and in fields such as the manufacturing, tracing trouble, testing inspection, also has and uses widely.Study in the change procedure of various electrical phenomena people, oscillograph can convert invisible electric signal to the image seen.Application oscillograph can observe the time dependent squiggle of unlike signal amplitude; Can also measure different electricity with it, such as voltage, electric current, frequency, phase differential, AM depth etc., be research field and a kind of ideal tools in debugging.But oscillograph in the market mainly contains analog oscilloscope and digital oscilloscope two kinds, its mostly exist price compared with high, power consumption is large, the shortcoming such as bulky, be unfavorable for applying.
Summary of the invention
Based on the technical matters that background technology exists, the present invention proposes a kind of portable oscilloscope, its cost is low, little power consumption, volume be little, and be easy to carry.
A kind of portable oscilloscope that the present invention proposes, comprises load module, display module, control module, signal acquisition module, A/D signal conversion module and pretreatment module;
Load module link control module first input end is to realize man-machine interaction;
Display module link control module first output terminal;
Pretreatment module first input end is for accessing measured signal, and its second input end link control module second output terminal is also to carry out pre-service to measured signal according to control module output order operational reception measured signal;
A/D signal conversion module input end connects pretreatment module output terminal and receives through pretreated measured signal and carry out A/D conversion;
Signal acquisition module first input end connects A/D signal conversion module output terminal, its the second input end link control module second output terminal, its output terminal link control module second input end, with receive through A/D conversion after signal and according to control module control specify turnover process after input control module;
Control module is processed input signal and is shown by display module.
Preferably, A/D signal conversion module adopts MAX515 chip.
Preferably, control module adopts ARM9 microprocessor.
Preferably, display module adopts touching display screen.
Preferably, pretreatment module comprises squelch circuit and amplifying circuit.
Portable oscilloscope integrated level provided by the invention is high, is conducive to reducing volume and reducing power consumption, thus reduces costs, and this portable oscilloscope is easy to carry because volume is little, reduces the restriction of environment for use.The present invention is conducive to oscillographic applying.
In the present invention, measured signal is transferred to before control module processes, first carry out process in early stage through pretreatment module, A/D signal conversion module and signal acquisition module, be conducive to reducing control module work load, increase work efficiency, minimizing work time delay, improves the real-time levels of oscilloscope signal acquisition and display.
In the present invention, operator is arranged oscillograph by load module, to improve the dirigibility of oscillograph work as parameter acquisition, display translation.In addition, oscillograph is arranged through and inputs instruction realization by load module to control module, directly directly to control other module work needing to control by control module, provide control module work efficiency further.
Accompanying drawing explanation
Fig. 1 is a kind of portable oscilloscope structural representation that the present invention proposes.
Embodiment
With reference to Fig. 1, a kind of portable oscilloscope that the present invention proposes, comprises load module 1, display module 2, control module 3, signal acquisition module 4, A/D signal conversion module 5 and pretreatment module 6.
Load module 1 link control module 3 first input end is to realize man-machine interaction, and namely operator is arranged by load module 1 pair of oscillograph, to improve the dirigibility of oscillograph work as parameter acquisition, display translation.Oscillograph is arranged through and inputs instruction realization by load module 1 to control module 3, directly directly to control other module work needing to control by control module 3.
Display module 2 link control module 3 first output terminal is to carry out image display.
In present embodiment, display module 2 adopts touching display screen, convenient operation.
Pretreatment module 6 first input end is for accessing measured signal, and its second input end link control module 3 second output terminal is also to carry out pre-service to measured signal according to control module 3 output order operational reception measured signal.
In present embodiment, pretreatment module 6 comprises squelch circuit and amplifying circuit, and carries out noise reduction and amplification, to reduce signal distortion rate to the measured signal of access respectively.
A/D signal conversion module 5 input end connects pretreatment module 6 output terminal and receives through pretreated measured signal and carry out A/D conversion, thinks that subsequent treatment lays the foundation.
A/D signal conversion module 5 adopts integrated chip, and its integrated level is high, is conducive to reducing oscillograph volume.In present embodiment, A/D signal conversion module 5 is preferably MAX515 chip, and its cost is low, uses extensively.
Signal acquisition module 4 first input end connects A/D signal conversion module 5 output terminal, its the second input end link control module 3 second output terminal, its output terminal link control module 3 second input end, with receive through A/D conversion after signal and according to control module 3 control specify turnover process after input control module 3.Particularly, signal acquisition module 4 can be further processed screening etc. according to the oscillographic signal arranging control signal acquisition module 4 pairs of input control modules 3.
Control module 3 pairs of input signals are processed and are shown by display module 2.
In present embodiment, control module 3 adopts ARM9 microprocessor, is conducive to improving treatment effeciency.
Portable oscilloscope integrated level in present embodiment is high, is conducive to reducing volume and reducing power consumption, thus reduces costs, and this portable oscilloscope is easy to carry because volume is little, reduces the restriction of environment for use.The portable oscilloscope that present embodiment provides, is conducive to oscillographic applying.
During the work of this portable oscilloscope, arranged by load module 1 pair of oscillograph, control module 3 controls pretreatment module 6 and receives measured signal and carry out pre-service, A/D signal conversion module 5 to after carrying out the conversion of A/D signal through pretreated measured signal by being sent to signal acquisition module 4, signal acquisition module 4 is according to the further processing signals of the instruction of control module 3 and be sent to control module 3, is sent to display module 2 and shows after control module 3 pairs of input signals process.
In present embodiment, measured signal is transferred to before control module 3 processes, first carry out process in early stage through pretreatment module 6, A/D signal conversion module 5 and signal acquisition module 4, be conducive to reducing control module 3 work load, increase work efficiency, minimizing work time delay, improves the real-time levels of oscilloscope signal acquisition and display.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a portable oscilloscope, it is characterized in that, comprise load module (1), display module (2), control module (3), signal acquisition module (4), A/D signal conversion module (5) and pretreatment module (6);
Load module (1) link control module (3) first input end is to realize man-machine interaction;
Display module (2) link control module (3) first output terminal;
Pretreatment module (6) first input end is for accessing measured signal, and its second input end link control module (3) second output terminal is also to carry out pre-service to measured signal according to control module (3) output order operational reception measured signal;
A/D signal conversion module (5) input end connects pretreatment module (6) output terminal and receives through pretreated measured signal and carry out A/D conversion;
Signal acquisition module (4) first input end connects A/D signal conversion module (5) output terminal, its the second input end link control module (3) second output terminal, its output terminal link control module (3) second input end, to receive the signal after A/D changes and to control to specify the rear input control module (3) of turnover process according to control module (3);
Control module (3) is processed input signal and is shown by display module (2).
2. portable oscilloscope as claimed in claim 1, is characterized in that, A/D signal conversion module (5) adopts MAX515 chip.
3. portable oscilloscope as claimed in claim 1, is characterized in that, control module (3) adopts ARM9 microprocessor.
4. portable oscilloscope as claimed in claim 1, is characterized in that, display module (2) adopts touching display screen.
5. the portable oscilloscope as described in any one of Claims 1-4, is characterized in that, pretreatment module (6) comprises squelch circuit and amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449142.6A CN104267227A (en) | 2014-09-04 | 2014-09-04 | Portable oscilloscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449142.6A CN104267227A (en) | 2014-09-04 | 2014-09-04 | Portable oscilloscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104267227A true CN104267227A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410449142.6A Pending CN104267227A (en) | 2014-09-04 | 2014-09-04 | Portable oscilloscope |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668469A (en) * | 1993-06-28 | 1997-09-16 | Hitachi Denshi Kabushiki Kaisha | Digital oscilloscope using color plane display device and data display method therefore |
| CN101458269A (en) * | 2007-12-14 | 2009-06-17 | 李刚 | Digital oscillography signal display device |
| CN202177654U (en) * | 2011-08-25 | 2012-03-28 | 郭奕松 | Bandwidth-adjustable oscilloscope |
| CN103675384A (en) * | 2013-12-07 | 2014-03-26 | 成都亿盟恒信科技有限公司 | Multifunctional handheld double-channel touch oscilloscope and application method thereof |
| CN203786176U (en) * | 2014-03-17 | 2014-08-20 | 谭敏哲 | Intelligent mobile terminal based portable oscilloscope |
-
2014
- 2014-09-04 CN CN201410449142.6A patent/CN104267227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668469A (en) * | 1993-06-28 | 1997-09-16 | Hitachi Denshi Kabushiki Kaisha | Digital oscilloscope using color plane display device and data display method therefore |
| CN101458269A (en) * | 2007-12-14 | 2009-06-17 | 李刚 | Digital oscillography signal display device |
| CN202177654U (en) * | 2011-08-25 | 2012-03-28 | 郭奕松 | Bandwidth-adjustable oscilloscope |
| CN103675384A (en) * | 2013-12-07 | 2014-03-26 | 成都亿盟恒信科技有限公司 | Multifunctional handheld double-channel touch oscilloscope and application method thereof |
| CN203786176U (en) * | 2014-03-17 | 2014-08-20 | 谭敏哲 | Intelligent mobile terminal based portable oscilloscope |
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Application publication date: 20150107 |