CN108318124A - A kind of measurement method and system of spin vibration sieve vibration parameters - Google Patents
A kind of measurement method and system of spin vibration sieve vibration parameters Download PDFInfo
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- CN108318124A CN108318124A CN201711436588.5A CN201711436588A CN108318124A CN 108318124 A CN108318124 A CN 108318124A CN 201711436588 A CN201711436588 A CN 201711436588A CN 108318124 A CN108318124 A CN 108318124A
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- vibration sieve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
Abstract
The invention discloses a kind of measurement methods and system of spin vibration sieve vibration parameters, wherein this method includes：Measuring apparatus acquires the analog vibration signal of spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured；Measuring apparatus is by analog vibration signal transmission to data acquisition card, so that analog vibration signal is converted to digital vibration signal by data acquisition card；Digital vibration signal is inputted host computer by measuring apparatus by converter；Host computer analyzes digital vibration signal, resultant vibration curve；Host computer carries out spectrum analysis to oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain.By means of the invention it is possible to which the vibration parameters of automatic measurement spin vibration sieve, improve the efficiency of measurement, while the precision measured can be also improved.
Description
Technical field
The present invention relates to vibration parameters fields of measurement, more particularly to the measurement method of a kind of spin vibration sieve vibration parameters and it is
System.
Background technology
Spin vibration sieve is a kind of high-precision fine powder sieving machinery, low noise, efficient, and quick net exchanging needs 3-5 minute, full envelope
Structure is closed, the screening filtering of the materials such as grain, powder, mucus is suitable for.Spin vibration sieve is to do exciting source by vertical type motor, on motor,
Lower both ends are equipped with eccentric hammer, and the rotary motion of motor, which is changed into horizontal, vertical, inclined three-D, to be moved, then this
A movement passes to compass screen surface, adjusts the phase angle of upper/lower terminal, thus it is possible to vary movement locus of the material on compass screen surface.
The space curve that the spin vibration sieve movement locus that three-D moves is extremely complex is done, each axis amplitude is needed in manufacture
It is calibrated according to the empirical parameter of application field.It is measured firstly the need of the parameter to each axis amplitude, current measurement side
Formula is typically artificial or semi-automatic mode, and the axial restraint one-pen that worker measures in needs, Pen Association exists when screen(ing) machine works
Contact surface draws an oval track, then has related parameter according to curve calculating.Practice have shown that this measurement method
Efficiency is low and measurement accuracy is not high.
Invention content
The present invention provides a kind of measurement method and system of spin vibration sieve vibration parameters, is capable of the vibration of automatic measurement spin vibration sieve
Parameter improves the efficiency of measurement, while the precision measured can be also improved.
According to an aspect of the invention, there is provided a kind of measurement method of spin vibration sieve vibration parameters, includes the following steps：
Measuring apparatus acquires the analog vibration signal of spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured；It measures
Equipment is by analog vibration signal transmission to data acquisition card, so that analog vibration signal is converted to digital vibration by data acquisition card
Signal；Digital vibration signal is inputted host computer by measuring apparatus by converter；Host computer analyzes digital vibration signal,
Resultant vibration curve；Host computer carries out spectrum analysis to oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain.
Preferably, measuring apparatus acquires the mould of spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
Before quasi- vibration signal, this method is further comprising the steps of：Measuring apparatus passes through the rotating speed in spin vibration sieve axial direction to be measured
Sensor acquires the rotary speed data of spin vibration sieve；Measuring apparatus judges whether above-mentioned rotary speed data reaches the mark of qualified rotary speed data
It is accurate；If above-mentioned rotary speed data reaches the standard of qualified rotary speed data, it is to be measured by being mounted on spin vibration sieve to execute measuring apparatus
The analog vibration signal of current vortex sensor acquisition spin vibration sieve in axial direction.
Preferably, measuring apparatus acquires the mould of spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
Quasi- vibration signal, includes the following steps：Measuring apparatus acquires the analog vibration signal of spin vibration sieve by detecting head；Measuring apparatus will
Analog vibration signal inputs in the current vortex sensor to match with above-mentioned detecting head.
Preferably, host computer to oscillating curve carry out spectrum analysis, obtain the vibration parameters such as frequency, amplitude, frequency domain value it
Afterwards, this method is further comprising the steps of：The experience vibration parameters value that host computer stores obtained vibration parameters value and host computer
It is compared；Error amount between the host computer vibration parameters value being calculated and experience vibration parameters value；On host computer judges
Error amount is stated whether in normal error range；If above-mentioned error amount is not in normal error range, host computer exists
The underproof label of spin vibration sieve is shown on the screen of host computer.
Preferably, after host computer shows the underproof label of the spin vibration sieve on the screen of host computer, this method is also
Include the following steps：Host computer generates the correcting scheme of spin vibration sieve vibration parameters according to above-mentioned error amount；Host computer is by above-mentioned school
Direction-determining board is shown on the screen of host computer.
According to another aspect of the present invention, a kind of measuring system of spin vibration sieve vibration parameters is additionally provided, including is measured
Equipment, host computer：
Wherein, measuring apparatus includes：First collecting unit, for passing through the current vortex in spin vibration sieve axial direction to be measured
Sensor acquires the analog vibration signal of spin vibration sieve；Transmission unit, for by analog vibration signal transmission to data acquisition card, with
Make data acquisition card that analog vibration signal is converted to digital vibration signal；Input unit, for passing through digital vibration signal
Converter inputs host computer；
Wherein, host computer includes：Signal analysis unit, for analyzing digital vibration signal, resultant vibration curve；
Spectral analysis unit obtains the vibration parameters value such as frequency, amplitude, frequency domain for carrying out spectrum analysis to oscillating curve.
Preferably, measuring apparatus further includes：Second collecting unit, in the first collecting unit by being mounted on spin vibration sieve
Before the analog vibration signal of current vortex sensor acquisition spin vibration sieve in axial direction to be measured, by being mounted on spin vibration sieve axial direction to be measured
On speed probe acquisition spin vibration sieve rotary speed data；First judging unit, for judging whether rotary speed data reaches qualified
The standard of rotary speed data；First collecting unit, specifically for judging that rotary speed data reaches qualified rotating speed number when the first judging unit
According to standard when, the analog vibration signal of spin vibration sieve is acquired by current vortex sensor in spin vibration sieve axial direction to be measured.
Preferably, the first collecting unit includes：Subelement is acquired, for judging that rotary speed data reaches in the first judging unit
When the standard of qualified rotary speed data, the analog vibration signal of spin vibration sieve is acquired by detecting head；Subelement is inputted, for that will simulate
Vibration signal inputs in the current vortex sensor to match with detecting head.
Preferably, host computer further includes：Comparison unit, for carrying out frequency spectrum point to oscillating curve in spectral analysis unit
Analysis, after obtaining the vibration parameters value such as frequency, amplitude, frequency domain, the experience that obtained vibration parameters value is stored with host computer is shaken
Dynamic parameter value is compared；Computing unit, the error between the vibration parameters value for being calculated and experience vibration parameters value
Value；Second judgment unit, for error in judgement value whether in normal error range；Display unit, for when the second judgement
When unit judges error amount is not in normal error range, the underproof label of spin vibration sieve is shown on the screen of host computer.
Preferably, host computer further includes：Schemes generation unit, for showing rotation on the screen of host computer in display unit
It shakes after the underproof label of sieve, the correcting scheme of spin vibration sieve vibration parameters is generated according to above-mentioned error amount；Display unit is also used
In including on the screen of host computer by above-mentioned correcting scheme.
Compared with prior art, beneficial effects of the present invention are as follows：
Through the invention, using the analog vibration signal in current vortex sensor acquisition spin vibration sieve axial direction to be measured, then pass through
The analog vibration signal of acquisition is converted to digital vibration signal by data acquisition card, and digital vibration signal is inputted host computer, on
Position machine passes through to the analysis resultant vibration curve of digital vibration signal, to oscillating curve carry out spectrum analysis obtain frequency, amplitude,
The vibration parameters value such as frequency domain.Acquiring vibration signal by special sensor can make the signal of acquisition more accurate, by special
The analysis software of industry analyzes the signal of acquisition to obtain the effect for the vibration parameters value that vibration parameters value makes measurement spin vibration sieve
Rate is improved and the precision measured can be also improved.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In attached drawing：
Fig. 1 is a kind of flow chart of the measurement method of spin vibration sieve vibration parameters according to the ... of the embodiment of the present invention；
Fig. 2 is a kind of structure diagram of the measuring system of spin vibration sieve vibration parameters according to the ... of the embodiment of the present invention；
Fig. 3 is the process for using figure of the measurement method of according to embodiments of the present invention one another spin vibration sieve vibration parameters；
Fig. 4 is the process for using figure of the measurement method of according to embodiments of the present invention two another spin vibration sieve vibration parameters.
Specific implementation mode
Below in conjunction with attached drawing of the present invention, technical solution of the present invention is described, but described embodiment is only
A part of the embodiment of the present invention, based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of measurement methods of spin vibration sieve vibration parameters, and Fig. 1 is according to embodiments of the present invention
A kind of spin vibration sieve vibration parameters measurement method flow chart, as shown in Figure 1, including the following steps：
Step S101：Measuring apparatus acquires spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
Analog vibration signal；
Step S102：Measuring apparatus is by analog vibration signal transmission to data acquisition card, so that data acquisition card will simulate
Vibration signal is converted to digital vibration signal；
Step S103：Digital vibration signal is inputted host computer by measuring apparatus by converter；
Step S104：Host computer analyzes digital vibration signal, resultant vibration curve；
Step S105：Host computer carries out spectrum analysis to oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain.
In implementation process, before step S101, measuring apparatus needs first pass through in spin vibration sieve axial direction to be measured
Speed probe acquisition spin vibration sieve rotary speed data；Judge whether above-mentioned rotary speed data reaches the mark of qualified rotary speed data again
It is accurate；If above-mentioned rotary speed data reaches the standard of qualified rotary speed data, S101 is thened follow the steps.
In step S101, measuring apparatus acquires the analog vibration signal of spin vibration sieve by detecting head first；It again will simulation
Vibration signal inputs in the current vortex sensor to match with above-mentioned detecting head.
After step S105, host computer can be by the experience vibration parameters value of obtained vibration parameters value and host computer storage
It is compared；And the error amount between the vibration parameters value being calculated and experience vibration parameters value；Then judge above-mentioned error
Whether value is in normal error range；If above-mentioned error amount is not in normal error range, host computer is in host computer
Screen on show the underproof label of spin vibration sieve.
Further, host computer can generate the correcting scheme of spin vibration sieve vibration parameters according to above-mentioned error amount；And it will be upper
Correcting scheme is stated to be shown on the screen of host computer.
Through the above steps, the vibration signal of spin vibration sieve is acquired using special sensor, and soft by the analysis of profession
Part analyzes the vibration signal of acquisition to obtain the vibration parameters value of spin vibration sieve, improves the vibration parameters value for measuring spin vibration sieve
Efficiency, and the measurement accuracy for measuring the vibration parameters value of spin vibration sieve is also improved.
The embodiment of the present invention additionally provides a kind of measuring system of spin vibration sieve vibration parameters, shakes for realizing above-mentioned spin vibration sieve
In the measurement method of dynamic parameter.Fig. 2 is a kind of structure of the measuring system of spin vibration sieve vibration parameters according to the ... of the embodiment of the present invention
Block diagram, as shown in Fig. 2, the system includes measuring apparatus 10, host computer 20：
Wherein, measuring apparatus 10 includes：First collecting unit 101, for by spin vibration sieve axial direction to be measured
Current vortex sensor acquires the analog vibration signal of spin vibration sieve；Transmission unit 102 is used for analog vibration signal transmission to signal
Capture card, so that analog vibration signal is converted to digital vibration signal by data acquisition card；Input unit 103, being used for will be digital
Vibration signal inputs host computer 20 by converter；
Wherein, host computer 20 includes：Signal analysis unit 201, for analyzing digital vibration signal, resultant vibration
Curve；Spectral analysis unit 202 obtains the vibration parameters such as frequency, amplitude, frequency domain for carrying out spectrum analysis to oscillating curve
Value.
For a kind of measuring system of spin vibration sieve vibration parameters, measuring apparatus 10 further includes：Second collecting unit 104 is used
It is shaken by the simulation of the current vortex sensor acquisition spin vibration sieve in spin vibration sieve axial direction to be measured in the first collecting unit 101
Before dynamic signal, the rotary speed data of spin vibration sieve is acquired by the speed probe in spin vibration sieve axial direction to be measured；First sentences
Disconnected unit 105, for judging whether rotary speed data reaches the standard of qualified rotary speed data；First collecting unit 101, is specifically used for
When the first judging unit 105 judges that rotary speed data reaches the standard of qualified rotary speed data, by being mounted on spin vibration sieve axis to be measured
The analog vibration signal of upward current vortex sensor acquisition spin vibration sieve.
For a kind of measuring system of spin vibration sieve vibration parameters, the first collecting unit 101 includes：Subelement 1011 is acquired,
For when the first judgment sub-unit 105 judges that rotary speed data reaches the standard of qualified rotary speed data, being acquired and being revolved by detecting head
Shake the analog vibration signal of sieve；Subelement 1012 is inputted, the electric whirlpool for the input of analog vibration signal to match with detecting head
In flow sensor.
For a kind of measuring system of spin vibration sieve vibration parameters, host computer 20 further includes：Comparison unit 203, in frequency
Spectrum analysis unit 202 carries out spectrum analysis to oscillating curve will obtain after obtaining the vibration parameters value such as frequency, amplitude, frequency domain
The experience vibration parameters value that is stored with host computer of vibration parameters value compared；Computing unit 204 shakes for what is be calculated
Dynamic error amount between parameter value and experience vibration parameters value；Second judgment unit 205, for error in judgement value whether normal
Error range in；Display unit 206, for when 205 error in judgement value of second judgment unit is not in normal error range
When, the underproof label of spin vibration sieve is shown on the screen of host computer.
For a kind of measuring system of spin vibration sieve vibration parameters, host computer 20 further includes：Schemes generation unit 207, is used for
After display unit 206 shows the underproof label of spin vibration sieve on the screen of host computer, is generated and revolved according to above-mentioned error amount
It shakes and sieves the correcting scheme of vibration parameters；Display unit 206 is additionally operable to above-mentioned correcting scheme include on the screen of host computer.
It should be noted that the measuring system of the spin vibration sieve vibration parameters described in device embodiment corresponds to above-mentioned side
Method embodiment, concrete implementation process had carried out detailed description in embodiment of the method, and details are not described herein.
In order to keep technical scheme of the present invention and implementation method clearer, below in conjunction with preferred embodiment in fact
Existing process is described in detail.
Embodiment one
The present embodiment provides the measurement methods of another spin vibration sieve vibration parameters, that is, first measure the rotation speed of spin vibration sieve
Whether degree is normal, is measured to spin vibration sieve vibration parameters in the normal ability of spin vibration sieve velocity of rotation.
Fig. 3 is the process for using figure of the measurement method of according to embodiments of the present invention one another spin vibration sieve vibration parameters,
Include the following steps：
Step S301：Measuring apparatus acquires turning for spin vibration sieve by the speed probe in spin vibration sieve axial direction to be measured
Fast data；
In the embodiment of the present invention, a speed probe can be installed in the axial direction to be measured of spin vibration sieve, for detecting rotation
It shakes and sieves axial velocity of rotation to be measured, speed probe can be divided into rotary velocity sensor and induction speed passes
Sensor, rotary velocity sensor can be in direct contact with object, when object is in direct contact with rotary velocity sensor, be rubbed
The idler wheel rotation that power drives sensor is wiped, the rotational pulse sensor on idler wheel sends out a series of pulse, each arteries and veins
Punching represents a certain distance value, to measure linear velocity；Rotary velocity sensor can also with moving object without
It is in direct contact, the blade edge of impeller posts reflectance coating, and impeller rotates when object rotates, and impeller often rotates one week optical fiber and passes
It is defeated reflective primary, an electric impulse signal is generated, can velocity of rotation be calculated by the umber of pulse detected；
Step S302：Measuring apparatus judges whether rotary speed data reaches the standard of qualified rotary speed data；If so, executing step
Rapid S303~step S307；If not, terminating this flow；
In the embodiment of the present invention, measuring apparatus is after getting spin vibration sieve axial velocity of rotation to be measured, it can be determined that
Whether the velocity of rotation of acquisition is qualified velocity of rotation, if the velocity of rotation obtained is qualified velocity of rotation followed by survey
The vibration parameters in spin vibration sieve axial direction to be measured are measured, if the velocity of rotation obtained is not qualified velocity of rotation, that does not just have to again
The vibration parameters in spin vibration sieve axial direction to be measured are measured, because the abnormal just explanation of the velocity of rotation in spin vibration sieve axial direction to be measured should
Spin vibration sieve is underproof, and the velocity of rotation that spin vibration sieve is first measured before measuring spin vibration sieve vibration parameters can be to spin vibration sieve
Product quality carries out a preliminary screening, avoids measuring apparatus from measuring vibration parameters to underproof spin vibration sieve, flogs a dead horse,
The workload of the quality testing to multiple spin vibration sieves can be reduced, and then the efficiency of measurement can be improved；
Step S303：Measuring apparatus acquires spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
Analog vibration signal；
Optionally, measuring apparatus acquires the mould of spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
The specific implementation mode of quasi- vibration signal is：Measuring apparatus acquires the analog vibration signal of spin vibration sieve by detecting head；Measurement is set
In the standby current vortex sensor that the input of analog vibration signal matches with above-mentioned detecting head；
Optionally, above-mentioned current vortex sensor uses the HZ-891XL type current vortex sensors, above-mentioned detecting head to be and HZ-
891XL type current vortex sensors are matching used, and detecting head uses full dog point socket set with HZ-891XL type current vortex sensors
Bayonet connection, the voltage signal that signal output is 1-10V, when HZ-891XL type current vortex sensors are powered, detecting head
Inductance coil will produce magnetic induction line, when the magnetic induction line of generation pass through steel disc or metal when will induce electric current.The detection
It must be conductor that head, which requires measured body, have small coil in sensor heads, controlled by controller and generate concussion electromagnetic field, when
When close to measured body, measured body surface will produce induced current and generate reversed electromagnetic field, and at this moment current vortex sensor can
To judge the distance between measured body according to the intensity of reversed electromagnetic field, detecting head and quilt thus can be automatically adjusted
Survey the distance between body so that the sample data of acquisition more precisely can further increase the precision of measurement result；
Optionally, if necessary to the vibration signal of acquisition spin vibration sieve multiple spot, it is only necessary to add detecting head cooperation multichannel letter
Number capture card can be realized, if axial direction to be measured has nonmetallic materials, additional metal material means can realize on the shell
It measures indirectly；
Step S304：Measuring apparatus is by above-mentioned analog vibration signal transmission to data acquisition card, so that data acquisition card will
Above-mentioned analog vibration signal is converted to digital vibration signal；
In the embodiment of the present invention, DAM-608X series of signals capture cards may be used in above-mentioned data acquisition card, are obtaining mould
The analog vibration signal can be converted to digital vibration signal after quasi- vibration signal；
Step S305：Above-mentioned digital vibration signal is inputted host computer by measuring apparatus by converter；
In the embodiment of the present invention, above-mentioned converter uses 485/232 signal adapter, and above-mentioned data acquisition card is exported
RS485 signals are converted to RS232 signals, then input host computer by serial ports；
Step S306：Host computer analyzes above-mentioned digital vibration signal, resultant vibration curve；
Optionally, run on analysis program in host computer can to above-mentioned data acquisition card and serial port setting messaging parameter,
After correct matching messaging parameter, the analysis program in host computer can be according to collected spin vibration sieve axial vibration signal to be measured
Rendering space oscillating curve, and calculate spin vibration sieve axial amplitude and frequency to be measured, line frequency spectrum analysis of going forward side by side；Further, on
State the GUI technologies that Maltab may be used in analysis program；
Step S307：Host computer carries out spectrum analysis to oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain.
As it can be seen that the rotation speed of spin vibration sieve can first be measured before measuring spin vibration sieve vibration parameters by implementing the embodiment of the present invention
Degree carries out a preliminary quality examination to multiple spin vibration sieves, filters out underproof spin vibration sieve, then the rotation qualified to screening is shaken
Sieve carries out the measurement of vibration parameters, can avoid measuring to avoid underproof spin vibration sieve is carried out the measurement of vibration parameters in this way
Equipment flogs a dead horse, and then improves the efficiency for measuring vibration parameters；In addition, measuring apparatus is in the vibration letter for collecting spin vibration sieve
Analyzing processing is carried out to vibration signal by the analysis program in host computer after number and obtains the vibration parameters value of spin vibration sieve, in this way
The precision of measurement result can be improved, whole measurement process is automatic, can also improve the efficiency of measurement；
Embodiment two
The present embodiment provides the measurement methods of another spin vibration sieve vibration parameters, that is, are measuring spin vibration sieve vibration ginseng
After number can the automatic decision spin vibration sieves vibration parameters it is whether normal, detect whether qualification with what this obtained the spin vibration sieve.
Fig. 4 is the process for using figure of the measurement method of according to embodiments of the present invention two another spin vibration sieve vibration parameters,
Include the following steps：
Step S401：Measuring apparatus acquires turning for spin vibration sieve by the speed probe in spin vibration sieve axial direction to be measured
Fast data；
In the embodiment of the present invention, a speed probe can be installed in the axial direction to be measured of spin vibration sieve, for detecting rotation
It shakes and sieves axial velocity of rotation to be measured, speed probe can be divided into rotary velocity sensor and induction speed passes
Sensor, rotary velocity sensor can be in direct contact with object, when object is in direct contact with rotary velocity sensor, be rubbed
The idler wheel rotation that power drives sensor is wiped, the rotational pulse sensor on idler wheel sends out a series of pulse, each arteries and veins
Punching represents a certain distance value, to measure linear velocity；Rotary velocity sensor can also with moving object without
It is in direct contact, the blade edge of impeller posts reflectance coating, and impeller rotates when object rotates, and impeller often rotates one week optical fiber and passes
It is defeated reflective primary, an electric impulse signal is generated, can velocity of rotation be calculated by the umber of pulse detected；
Step S402：Measuring apparatus judges whether rotary speed data reaches the standard of qualified rotary speed data；If so, executing step
Rapid S403~step S411；If not, terminating this flow；
In the embodiment of the present invention, measuring apparatus is after getting spin vibration sieve axial velocity of rotation to be measured, it can be determined that
Whether the velocity of rotation of acquisition is qualified velocity of rotation, if the velocity of rotation obtained is qualified velocity of rotation followed by survey
The vibration parameters in spin vibration sieve axial direction to be measured are measured, if the velocity of rotation obtained is not qualified velocity of rotation, that does not just have to again
The vibration parameters in spin vibration sieve axial direction to be measured are measured, because the abnormal just explanation of the velocity of rotation in spin vibration sieve axial direction to be measured should
Spin vibration sieve is underproof, and the velocity of rotation that spin vibration sieve is first measured before measuring spin vibration sieve vibration parameters can be to spin vibration sieve
Product quality carries out a preliminary screening, avoids measuring apparatus from measuring vibration parameters to underproof spin vibration sieve, flogs a dead horse,
The workload of the quality testing to multiple spin vibration sieves can be reduced, and then the efficiency of measurement can be improved；
Step S403：Measuring apparatus acquires the analog vibration signal of spin vibration sieve by detecting head；
Optionally, if necessary to the vibration signal of acquisition spin vibration sieve multiple spot, it is only necessary to add detecting head cooperation multichannel letter
Number capture card can be realized, if axial direction to be measured has nonmetallic materials, additional metal material means can realize on the shell
It measures indirectly；
Step S404：The current vortex sensor that measuring apparatus matches the input of above-mentioned analog vibration signal with detecting head
In；
Optionally, above-mentioned current vortex sensor uses the HZ-891XL type current vortex sensors, above-mentioned detecting head to be and HZ-
891XL type current vortex sensors are matching used, and detecting head uses full dog point socket set with HZ-891XL type current vortex sensors
Bayonet connection, the voltage signal that signal output is 1-10V, when HZ-891XL type current vortex sensors are powered, detecting head
Inductance coil will produce magnetic induction line, when the magnetic induction line of generation pass through steel disc or metal when will induce electric current.The detection
It must be conductor that head, which requires measured body, have small coil in sensor heads, controlled by controller and generate concussion electromagnetic field, when
When close to measured body, measured body surface will produce induced current and generate reversed electromagnetic field, and at this moment current vortex sensor can
To judge the distance between measured body according to the intensity of reversed electromagnetic field, detecting head and quilt thus can be automatically adjusted
Survey the distance between body so that the sample data of acquisition more precisely can further increase the precision of measurement result；
Step S405：Measuring apparatus is by above-mentioned analog vibration signal transmission to data acquisition card, so that data acquisition card will
Above-mentioned analog vibration signal is converted to digital vibration signal；
In the embodiment of the present invention, DAM-608X series of signals capture cards may be used in above-mentioned data acquisition card, are obtaining mould
The analog vibration signal can be converted to digital vibration signal after quasi- vibration signal；
Step S406：Above-mentioned digital vibration signal is inputted host computer by measuring apparatus by converter；
In the embodiment of the present invention, above-mentioned converter uses 485/232 signal adapter, and above-mentioned data acquisition card is exported
RS485 signals are converted to RS232 signals, then input host computer by serial ports；
Step S407：Host computer analyzes above-mentioned digital vibration signal, resultant vibration curve；
Optionally, run on analysis program in host computer can to above-mentioned data acquisition card and serial port setting messaging parameter,
After correct matching messaging parameter, the analysis program in host computer can be according to collected spin vibration sieve axial vibration signal to be measured
Rendering space oscillating curve, and calculate spin vibration sieve axial amplitude and frequency to be measured, line frequency spectrum analysis of going forward side by side；Further, on
State the GUI technologies that Maltab may be used in analysis program；
Step S408：Host computer carries out spectrum analysis to oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain；
Step S409：Host computer carries out the experience vibration parameters value of obtained vibration parameters value and host computer storage pair
Than；
In the embodiment of the present invention, above-mentioned experience vibration parameters value is that spin vibration sieve works normally during actual use
Vibration parameters value, the experience vibration parameters value that host computer stores after calculating spin vibration sieve vibration parameters value with host computer carry out
Comparison is for judging whether the vibration parameters value of the spin vibration sieve is normal vibration parameters value, further judges that the spin vibration sieve is
The no spin vibration sieve for qualification；
Step S410：Error amount between the host computer vibration parameters value being calculated and experience vibration parameters value；
Step S411：Whether host computer judges above-mentioned error amount in normal error range；If not, executing step
S412~step S414；If so, terminating this flow；
In the embodiment of the present invention, host computer is by judging whether above-mentioned error amount may determine that within the scope of nominal error
Whether the spin vibration sieve is qualified spin vibration sieve, illustrates this if host computer judges above-mentioned error amount in normal error range if
Spin vibration sieve is the spin vibration sieve of qualification, if host computer judges that above-mentioned error amount illustrates that the rotation is shaken not in normal error range
Sieve is underproof spin vibration sieve, that can wait for worker to shake underproof rotation to stamp underproof label for the spin vibration sieve
Sieve carries out the correction of vibration parameters；
Step S412：Host computer shows the underproof label of spin vibration sieve on the screen of host computer；
In the embodiment of the present invention, host computer is after judging that above-mentioned spin vibration sieve is underproof spin vibration sieve just in host computer
Screen on show the underproof label of the spin vibration sieve, wherein underproof label can be the word of " this spin vibration sieve is unqualified "
Sample, and font color is red, and prompt worker spin vibration sieve that in this way can be very eye-catching is underproof spin vibration sieve；
Step S413：Host computer generates the correcting scheme of spin vibration sieve vibration parameters according to above-mentioned error amount；
Optionally, host computer is after judging that above-mentioned spin vibration sieve is underproof spin vibration sieve, so that it may to be shaken according to the rotation
The size of error amount between the vibration parameters value and experience vibration parameters value of sieve is that the spin vibration sieve formulates rational correcting scheme,
So that worker can be corrected the vibration parameters of the spin vibration sieve according to the correcting scheme；
Step S414：Above-mentioned correcting scheme is included on the screen of host computer by host computer.
In the embodiment of the present invention, host computer is after making the correcting scheme for above-mentioned spin vibration sieve by the correcting scheme
It is shown on the screen of host computer, more convenient worker's checking and recording, enabling preferably to the vibration of the spin vibration sieve
Parameter is corrected.
As it can be seen that the rotation speed of spin vibration sieve can first be measured before measuring spin vibration sieve vibration parameters by implementing the embodiment of the present invention
Degree carries out a preliminary quality examination to multiple spin vibration sieves, filters out underproof spin vibration sieve, then the rotation qualified to screening is shaken
Sieve carries out the measurement of vibration parameters, can avoid measuring to avoid underproof spin vibration sieve is carried out the measurement of vibration parameters in this way
Equipment flogs a dead horse, and then improves the efficiency for measuring vibration parameters；In addition, measuring apparatus is in the vibration letter for collecting spin vibration sieve
Analyzing processing is carried out to vibration signal by the analysis program in host computer after number and obtains the vibration parameters value of spin vibration sieve, in this way
The precision of measurement result can be improved, whole measurement process is automatic, can also improve the efficiency of measurement；In addition, upper
Machine can also judge whether the vibration parameters value is normal vibration parameters value after the vibration parameters value for obtaining spin vibration sieve, if
It is not underproof label just to be shown on the screen of host computer, and rational correcting scheme is formulated for the spin vibration sieve, in this way
It can directly find out whether spin vibration sieve is qualified, reduces the workload of worker, worker can formulate according to host computer
Correcting scheme spin vibration sieve is corrected, improve the science of correcting scheme, and then improve the efficiency of correction.
In summary, by above-described embodiment, the signal of acquisition can be made by acquiring vibration signal by special sensor
It is more accurate, the signal of acquisition is analyzed to obtain vibration parameters value by the analysis software of profession to measure spin vibration sieve
The efficiency of vibration parameters value is improved and the precision measured can be also improved, the vibration parameters value for obtaining spin vibration sieve it
It can also judge whether the quality of the spin vibration sieve is qualified according to the vibration parameters value afterwards, if the spin vibration sieve is off quality,
Host computer can be that the spin vibration sieve formulates correcting scheme, and such worker can shake to the spin vibration sieve according to the correcting scheme of science
Dynamic parameter is corrected, and the workload of worker can also be reduced except the accuracy for improving correction, and then improve correction
Efficiency.
Claims (10)
1. a kind of measurement method of spin vibration sieve vibration parameters, which is characterized in that include the following steps：
Measuring apparatus acquires the simulation of the spin vibration sieve by the current vortex sensor in spin vibration sieve axial direction to be measured
Vibration signal；
The measuring apparatus is by the analog vibration signal transmission to data acquisition card, so that the data acquisition card is by the mould
Quasi- vibration signal is converted to digital vibration signal；
The digital vibration signal is inputted host computer by the measuring apparatus by converter；
The host computer analyzes the digital vibration signal, resultant vibration curve；
The host computer carries out spectrum analysis to the oscillating curve, obtains the vibration parameters value such as frequency, amplitude, frequency domain.
2. according to the method described in claim 1, it is characterized in that, the measuring apparatus is to be measured by being mounted on the spin vibration sieve
It is further comprising the steps of before current vortex sensor in axial direction acquires the analog vibration signal of the spin vibration sieve：
The measuring apparatus acquires turning for the spin vibration sieve by the speed probe in spin vibration sieve axial direction to be measured
Fast data；
The measuring apparatus judges whether the rotary speed data reaches the standard of qualified rotary speed data；
If the rotary speed data reaches the standard of qualified rotary speed data, the measuring apparatus is executed by being mounted on the rotation
The current vortex sensor in sieve axial direction to be measured that shakes acquires the analog vibration signal of the spin vibration sieve.
3. according to the method described in claim 2, it is characterized in that, the measuring apparatus is to be measured by being mounted on the spin vibration sieve
Current vortex sensor in axial direction acquires the analog vibration signal of the spin vibration sieve, includes the following steps：
The measuring apparatus acquires the analog vibration signal of the spin vibration sieve by detecting head；
In the current vortex sensor that the measuring apparatus matches analog vibration signal input with the detecting head.
4. according to the method described in claim 3, it is characterized in that, the host computer carries out frequency spectrum point to the oscillating curve
Analysis, it is further comprising the steps of after obtaining the vibration parameters value such as frequency, amplitude, frequency domain：
The host computer compares the experience vibration parameters value that the obtained vibration parameters value is stored with the host computer；
Error amount between the vibration parameters value and the experience vibration parameters value that the host computer is calculated；
Whether the host computer judges the error amount in normal error range；
If the error amount is not in normal error range, described in the host computer is shown on the screen of the host computer
The underproof label of spin vibration sieve.
5. according to the method described in claim 4, it is characterized in that, the host computer shows institute on the screen of the host computer
It is further comprising the steps of after stating the underproof label of spin vibration sieve：
The host computer generates the correcting scheme of the spin vibration sieve vibration parameters according to the error amount；
The correcting scheme is included on the screen of the host computer by the host computer.
6. a kind of measuring system of spin vibration sieve vibration parameters, which is characterized in that including measuring apparatus, host computer：
Wherein, the measuring apparatus includes：
First collecting unit shakes for acquiring the rotation by the current vortex sensor in spin vibration sieve axial direction to be measured
The analog vibration signal of sieve；
Transmission unit is used for the analog vibration signal transmission to data acquisition card, so that the data acquisition card will be described
Analog vibration signal is converted to digital vibration signal；
Input unit, for the digital vibration signal to be inputted host computer by converter；
Wherein, the host computer includes：
Signal analysis unit, for analyzing the digital vibration signal, resultant vibration curve；
Spectral analysis unit obtains the vibration parameters such as frequency, amplitude, frequency domain for carrying out spectrum analysis to the oscillating curve
Value.
7. system according to claim 6, which is characterized in that the measuring apparatus further includes：
Second collecting unit, for passing through the current vortex in spin vibration sieve axial direction to be measured in first collecting unit
Before sensor acquires the analog vibration signal of the spin vibration sieve, passed by the rotating speed in spin vibration sieve axial direction to be measured
Sensor acquires the rotary speed data of the spin vibration sieve；
First judging unit, for judging whether the rotary speed data reaches the standard of qualified rotary speed data；
First collecting unit judges that the rotary speed data reaches qualified rotating speed number specifically for working as first judging unit
According to standard when, the simulation that the spin vibration sieve is acquired by the current vortex sensor in spin vibration sieve axial direction to be measured is shaken
Dynamic signal.
8. system according to claim 7, which is characterized in that first collecting unit includes：
Subelement is acquired, for judging that the rotary speed data reaches the standard of qualified rotary speed data in first judging unit
When, the analog vibration signal of the spin vibration sieve is acquired by detecting head；
Subelement is inputted, in the current vortex sensor for analog vibration signal input to match with the detecting head.
9. system according to claim 8, which is characterized in that the host computer further includes：
Comparison unit, for the spectral analysis unit to the oscillating curve carry out spectrum analysis, obtain frequency, amplitude,
After the vibration parameters value such as frequency domain, by the obtained vibration parameters value and the host computer storage experience vibration parameters value into
Row comparison；
Computing unit, the error amount between the vibration parameters value and the experience vibration parameters value for being calculated；
Second judgment unit, for judging the error amount whether in normal error range；
Display unit is used for when the second judgment unit judges the error amount not in normal error range, in institute
It states and shows the underproof label of the spin vibration sieve on the screen of host computer.
10. system according to claim 9, which is characterized in that the host computer further includes：
Schemes generation unit, for showing that the spin vibration sieve is underproof on the screen of the host computer in the display unit
After label, the correcting scheme of the spin vibration sieve vibration parameters is generated according to the error amount；
The display unit is additionally operable to the correcting scheme include on the screen of the host computer.
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Cited By (1)
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Application publication date: 20180724 |