CN207198221U - A kind of triboelectricity measuring system based on Labview - Google Patents
A kind of triboelectricity measuring system based on Labview Download PDFInfo
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- CN207198221U CN207198221U CN201720459767.XU CN201720459767U CN207198221U CN 207198221 U CN207198221 U CN 207198221U CN 201720459767 U CN201720459767 U CN 201720459767U CN 207198221 U CN207198221 U CN 207198221U
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Abstract
The utility model provides a kind of triboelectricity measuring system based on Labview, belongs to electronic measuring technology field.The system includes triboelectricity device, data collecting card and host computer, and Labview analysis parts include man-machine interface program module, acquisition control and measurement module and module filtered module, waveform analysis module and data post-processing module.The analysis method of triboelectricity measuring system comprises the following steps：Data collecting card is attached with triboelectricity device and host computer respectively；After the completion of connection, acquisition channel that the port and triboelectricity device that are taken by upper computer selecting data collecting card take on data collecting card；By motor drive module, control friction generator produces periodicity friction phenomenon；Host computer receives the friction electrical signal data of data collecting card collection.The measuring system can carry out detection and Treatment Analysis in real time to being tested the electrical informations such as the voltage of triboelectricity device, electric current.
Description
Technical field
The invention belongs to electronic measuring technology field, more particularly to a kind of triboelectricity measuring system based on Labview
And its analysis method.
Background technology
From 2012, the nanometer energy where Wang Zhonglin first friction generator preparing of team since, friction
The series of advantages such as electric generator with superelevation due to exporting, cost is cheap, sustainability and clean environment firendly, have become the energy
The study hotspot in field.Mechanical energy is mainly converted into electricity by this friction generator using triboelectrification and electrostatic induction principle
Can, using this feature, mechanical energy present in environment can be converted into electric energy by people, be then wearable device, confession
A variety of devices such as energy sensor, implantable medical device are powered.
During whole scientific research and production practices, it is often necessary to associated electrical signals are measured and data point
Analysis is handled.And it is current, domestic generally using the test system for being external import, this measuring apparatus is not only expensive no matter
All have no idea to be improved according to the demand of oneself on hardware or module.Such as：Measurement can only be directed to a kind of electricity every time
Performance parameters measure, can not simultaneously monitoring devices a variety of electrical parameters performance.Further, since environment, temperature etc. are made an uproar
Certain error in itself be present in the influence of sound factor, measurement data.
The content of the invention
The invention provides a set of triboelectricity test system and method for testing based on Labview.The measuring system is adopted
With the graphical interfaces developed based on Labview, the electrical information such as voltage, electric current to being tested triboelectricity device is carried out in real time
Detection and Treatment Analysis, form cost individual character that is cheap, simple to operate, suppressing noise, accuracy of measurement and stable performance
The automatic measurement system of change, there is real-time display, carry out the functions such as data processing, data storage automatically.
Technical solution of the present invention：
A kind of triboelectricity measuring system based on Labview includes hardware and Labview analysis module two parts；
Described hardware components include triboelectricity device, data collecting card and host computer；
Described triboelectricity device further comprises triboelectricity module, motor drive module and interference shielding module；
Triboelectricity module, for mechanical energy to be converted into electric energy, its friction generator species may include：Contact-separate type, level are sliding
Dynamic formula, single electrode formula, the friction generator of the independent various structures of multiple-working mode such as frictional；Motor drive module is with rubbing
Wipe electricity generation module to be connected, for driving triboelectricity module to work, by regulation motor drive module, change triboelectricity module
Speed；Interference shielding module, triboelectricity module is tested for closed allround, ensures signal not by external interference.
Described data collecting card, for gathering electric signal caused by triboelectricity device, mainly by arduinouno,
Linear voltage regulation partial pressure plate and data wire three parts composition, linear voltage regulation partial pressure plate receive the telecommunications as caused by triboelectricity module
Number, and electric signal progress partial pressure is adjusted to required voltage amplitude, the electric signal after modulation is accessed by data wire
Arduinouno, the electric signal received is sent into via data wire by host computer by arduinouno and analyzed and processed；
Described host computer, for being analyzed electrical signal data and being shown electrical signal data and analysis result.
Described Labview analysis modules part includes man-machine interface program module, acquisition control and measurement module, filtering
Module, waveform analysis module and data post-processing module；
Described man-machine interface program module is used to show voltage oscillogram, current waveform figure, module rectification simulation drawing, reality
When power waveform figure, frequency preview graph, Time of Day display window, input port selection window, zero correction window, current electricity
Pressure value window, voltage, electric current net difference window, it is the electric signal crossed through back-end processing gathered by data collecting card；
Described acquisition control reads arduinouno analog signals acquisition ports with measurement module based on Labview
Signal, and reduce the signal reduced via linear voltage regulation partial pressure plate；
The wave filter that described filtration module is provided based on Labview, the high-frequency interferencing signal in electric signal is filtered off and carried
High RST accuracy, and can be according to the free cut-off frequency of user's request and filter order；
Described waveform analysis module measures the frequency of input signal using single-frequency measurement, and with man-machine interface program
Module connects, and then working frequency during display work.
Described Data Post module further handles the signal for having carried out preliminary treatment, and rectification and electric current change
After calculation, shown by man-machine interface program module.
The analysis method of triboelectricity test system based on Labview, step are as follows：
Step 1：Data collecting card is attached with triboelectricity device and host computer respectively；
Step 2：The port taken by upper computer selecting data collecting card and triboelectricity device are in data collecting card
The acquisition channel of upper occupancy；
Step 3：By motor drive module, control friction generator produces periodicity friction phenomenon；
Step 4：Host computer receives the friction electrical signal data of data collecting card collection.
According to the present invention the triboelectricity test system based on Labview analysis method, when friction generator by
Friction phenomenon occurs after external motor driving, caused friction signal is converted to the analog signals such as voltage/current, short by handling
Road is acquired and handled to signal with data collecting card, converts analog signals into the manageable data signal of computer,
After reading the data that collect by Labview analysis modules and be subject to rectification and electric current conversion, voltage x current data are sent
Enter front console, continuously display the electricity shape information such as voltage, electric current, power of equipment under test.
Beneficial effects of the present invention：
(1) measuring system of the invention is the visualized graph interface based on LabVIEW platform exploitation, can be according to user
Need, measure interface is improved.Easy to operate, suppression noise, using flexible, and substantially reduce to survey crew's business
Horizontal requirement.
(2) performance of a variety of electrical parameters can be shown simultaneously, including：Voltage changes over time curve, electric current with the time
Change curve, realtime power change over time curve.Also there is real-time display simultaneously, carry out data processing, data storage automatically
Etc. function, time and manpower are saved, improves measurement operating efficiency.
(3) according to actual conditions, the noises such as environment, temperature can further be reduced to collecting by modes such as filtering
Signal caused by influence.
(4) versatility and modularity of the present invention are stronger, and the generator that can be directed to differentiated friction model/different structure carries out electricity
Signal measurement and processing.
Brief description of the drawings
Fig. 1 is the structured flowchart of the triboelectricity test system according to an embodiment of the invention based on Labview.
Fig. 2 is the analysis method of the triboelectricity test system according to an embodiment of the invention based on Labview
Flow chart.
Fig. 3 is the Labview display interface schematic diagrames of an example of the invention.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, embodiment of the invention is further illustrated.
Embodiment 1：
A kind of triboelectricity test system based on Labview is mainly made up of hardware and module two parts.Hardware components
It is made up of triboelectricity device I, data collecting card II and host computer III.Labview analysis modules part is by man-machine interface program
Module, acquisition control and measurement module and module filtered module, waveform analysis module, Data Post module composition.
Triboelectricity apparatus module includes in the present embodiment：Triboelectricity ball module, motor drive module, interference shielding mould
Block three parts form.The triboelectricity module of the present embodiment uses a kind of spherical generating body based on independent friction structure.It is above-mentioned
Embodiment 1 is only exemplary, wherein the selection based on spherical triboelectricity body is only as an example, it is not the method to the present invention
Limit.It is also an option that contact-separate type, the friction of horizontal slidingtype, single electrode formula, the independent multiple-working mode such as frictional
Generator.
Described motor drive module, it is connected with triboelectricity module.When motor drives spherical friction generator rotation,
Caused triboelectricity phenomenon, and then produce friction signal.The rheostat driven by regulation motor adjusts supply direct current
The voltage of motor is so as to change the rotating speed of triboelectricity ball, and direct current generator rotates with the related dynamic spheroid of electricity generating ball body phase, access hair
The conductor wire of electric ball interior is connected with generating pole piece, and caused electric signal is introduced into next module by hollow slip ring.
Described interference shielding module by：1. totally-enclosed shielding box, 2.BNC joints, the shielding lines of 3. fine copper 75-5 tetra-, 4. liang
Hole cast aluminium button box, four parts composition, whole electricity generation module are encapsulated by totally-enclosed shielding box, and all signals are transmitted by shielding line
It is responsible for, arduinouno is placed in holes cast aluminium button box, ensures signal not by external interference.
Described data collecting card, for gathering electric signal caused by triboelectricity device, mainly by：1.arduino
Uno, 2. linear voltage regulation partial pressure plates, 3. data wires, three parts composition, linear voltage regulation partial pressure plate are received and produced by triboelectricity module
Electric signal, and by electric signal progress partial pressure be adjusted to appropriate voltage amplitude, the signal after modulation is accessed by electric wire
Arduinouno, received signal is sent into via data wire by host computer by arduinouno and analyzed and processed.
The host computer, for the electrical signal data being analyzed and being shown the electrical signal data and described point
Analyse result.
Electric signal numerical value is intuitively found out by man-machine interface program module caused by triboelectricity module, man-machine interface journey
Sequence module includes：1. voltage oscillogram, 2. current waveform figures, 3. module rectification simulation drawings, 4. realtime power oscillograms, 5. frequencies
Preview graph, 6. Time of Day display windows, 7. input port selection windows, 8. zero correction windows, 9. current voltage value windows,
10. voltage, electric current net difference window, oscillogram is used to show the telecommunications crossed through back-end processing gathered by collection card module with window
Number.
Acquisition control is programmed to read arduinouno with measurement module by Labview graphic programming modules
The signal of analog signals acquisition port, and the signal reduced by module reduction via partial pressure plate.
High-frequency interferencing signal in original signal is filtered off and improves letter by module filtered module by the wave filter that Labview is provided
Number accuracy, and can be according to the free cut-off frequency of user's request and filter order.
Waveform analysis module measures the frequency of input signal using single-frequency measurement, and is connected and then shows with front panel
Working frequency when device works.
Data Post module further handles the signal for having carried out preliminary treatment, passes through module rectification and electric current
Shown after conversion by front end waveform display panel.
The flow chart of triboelectricity test system analysis method according to an embodiment of the invention based on Labview.
The implementation process of the triboelectricity test system analysis method based on Labview of the embodiment of the present invention is specifically described with reference to Fig. 2：
Data collecting card is attached with triboelectricity device and host computer respectively；After the completion of to be connected, pass through upper computer selecting number
The acquisition channel that the port and triboelectricity device taken according to capture card takes on data collecting card；Host computer receives data
The voltage data of capture card collection；Voltage is generated according to the voltage data of sampled point to change with time figure.
Step 1：Data collecting card is surveyed into device with triboelectricity respectively and host computer is attached.
Specifically, the interface of that is, spherical friction generator insertion data collecting card, then data will be adopted by detection means
In the USB excuse insertion host computers of truck.In the present embodiment, data collecting card uses arduino UNO R3, has 6 simulations
Signal acquisition pin.
Step 2：After the completion of step 1 connection, the port taken by upper computer selecting data collecting card and triboelectricity
The acquisition channel that device takes on data collecting card.
Specifically, after success to be connected, the explorer in host computer is opened, finds the end of data collecting card occupancy
Mouthful.Then, the Labview modules in host computer are opened, select port and spherical friction nanometer hair that data collecting card takes
The acquisition channel that motor accounts on data collecting card.
Step 3：Motor module switch is opened, allows friction generator ball to rotate, its internal produces is rubbed now
As.
Specifically, the present embodiment is using the ball-type friction generator based on independent friction structure, but is not limited to this
The generator of kind friction mode, while it is also applied for friction knots a variety of to contact-separate type, sliding friction, single electrode friction etc.
The signal detection of the generator of structure.
Step 4：Host computer receives the voltage of the equipment under test detected by voltage check device of data collecting card collection
Data.
Specifically, host computer receives the voltage of the equipment under test detected by voltage check device of data collecting card collection
Stored automatically after data, and open Labview modules and read these voltage datas；By being filtered to voltage data, and it is raw
Changed with time figure into voltage, therefore can real-time voltage more directly perceived and clearly reading equipment under test.Especially, also
The exponent number of filtering can be adjusted and changed with time the signal to noise ratio of figure and voltage change rate curve with improving voltage so that electricity
Press data more accurate.In addition, by the Data Analysis Services of Labview modules, can be with the electricity of simultaneous display equipment under test
Stream changes over time the curve of output of curve and rectified voltage/electric current with time curve of output, power.Host computer can lead to
The historical data that Labview modules record and preserve all electrical signal datas of equipment under test is crossed, is easy to carry out equipment under test
Further performance evaluation.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (2)
1. a kind of triboelectricity measuring system based on Labview, it is characterised in that described triboelectricity measuring system includes
Hardware and Labview analysis module two parts；
Described hardware components include triboelectricity device, data collecting card and host computer；
Described triboelectricity device further comprises triboelectricity module, motor drive module and interference shielding module；Friction
Electricity generation module, for mechanical energy to be converted into electric energy, motor drive module is connected with triboelectricity module, for driving friction hair
Electric module work, pass through regulation motor drive module, the speed of change triboelectricity module；Interference shielding module, for comprehensive
The tested triboelectricity module of closing, ensures signal not by external interference；
Described data collecting card, for gathering electric signal caused by triboelectricity device, mainly by arduinouno, linear tune
Partial pressure plate and data wire three parts composition are pressed, linear voltage regulation partial pressure plate receives the electric signal as caused by triboelectricity module, and
Electric signal progress partial pressure is adjusted to required voltage amplitude, the electric signal after modulation accesses arduinouno by data wire, leads to
Arduinouno is crossed to be analyzed and processed the electric signal received via data wire feeding host computer；
Described host computer, for being analyzed electrical signal data and being shown electrical signal data and analysis result；
Described Labview analysis modules part includes man-machine interface program module, acquisition control and measurement module, filtering mould
Block, waveform analysis module and data post-processing module；
Described man-machine interface program module is used to show voltage oscillogram, current waveform figure, module rectification simulation drawing, real-time work(
Rate oscillogram, frequency preview graph, Time of Day display window, input port selection window, zero correction window, current voltage value
Window, voltage, electric current net difference window, oscillogram are used to show the electricity crossed through back-end processing gathered by data collecting card with window
Signal；
Described acquisition control reads the letter of arduinouno analog signals acquisition ports with measurement module based on Labview
Number, and reduce the signal reduced via linear voltage regulation partial pressure plate；
The wave filter that described filtration module is provided based on Labview, the high-frequency interferencing signal in electric signal is filtered off and improves letter
Number accuracy, and can be according to the free cut-off frequency of user's request and filter order；
Described waveform analysis module measures the frequency of input signal using single-frequency measurement, and with man-machine interface program module
Connection, and then working frequency during display work；
Described Data Post module further handles the signal for having carried out preliminary treatment, rectification and electric current conversion
Afterwards, shown by man-machine interface program module.
2. triboelectricity measuring system according to claim 1, it is characterised in that what described triboelectricity module used
It is frictional that friction generator species includes contact-separate type, horizontal slidingtype, single electrode formula, independence.
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| CN201720459767.XU CN207198221U (en) | 2017-04-28 | 2017-04-28 | A kind of triboelectricity measuring system based on Labview |
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| CN201720459767.XU CN207198221U (en) | 2017-04-28 | 2017-04-28 | A kind of triboelectricity measuring system based on Labview |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939268A (en) * | 2022-06-02 | 2022-08-26 | 毛羽鹏 | Human-computer interaction system for monitoring bicycle motion by adopting nano generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939268A (en) * | 2022-06-02 | 2022-08-26 | 毛羽鹏 | Human-computer interaction system for monitoring bicycle motion by adopting nano generator |
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