CN106441554A - Mountainous orchard double-rail conveyer vibration testing system and testing method - Google Patents
Mountainous orchard double-rail conveyer vibration testing system and testing method Download PDFInfo
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- CN106441554A CN106441554A CN201610909001.7A CN201610909001A CN106441554A CN 106441554 A CN106441554 A CN 106441554A CN 201610909001 A CN201610909001 A CN 201610909001A CN 106441554 A CN106441554 A CN 106441554A
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000002420 orchard Substances 0.000 title claims abstract description 28
- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000013480 data collection Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a mountainous orchard double-rail conveyer vibration testing system and testing method. The system comprises a computer, a signal acquisition module and a sensor, and is characterized in that the computer is provided with a human-computer interface programmed by LabVIEW software, the signal acquisition module comprises an NI 9234 vibration signal acquisition module, an NI 9361 speed signal acquisition module and an NI 9174 Compact DAQ four-slot USB module computer case, the sensor comprises a PCB 352C33 vibration acceleration sensor and a photoelectric encoder, the vibration acceleration sensor is connected with the vibration signal acquisition module, the photoelectric encoder is connected with the speed signal acquisition module, the modules are embedded in the computer case, and the computer case is connected with the computer. By analyzing vibration and speed signals of a conveyer, operation smoothness and safety of the conveyer are monitored in real time, and guarantee can be provided for efficient conveying of fruits and production goods.
Description
Technical field
The present invention relates to the technical field of agricultural transporting machine and signals collecting, more particularly, to one kind are used for hillside orchard double track
The vibration test system of transporter and its method of testing.
Background technology
The R＆D and promotion of hillside orchard double track transport machine is conducive to promoting the development of hillside orchard, it is possible to decrease work is strong
Degree, improve production efficiency, save labour cost, increase economic efficiency.Domestic have part knob to apply transporter at present
Carry out the transport of fruit and vegerable, but it is contemplated that conevying efficiency and the guarantee to fruit fruit in transportation, need to transporter
Vibration performance carry out detect and in time adjust transporter transporting rate, raising conevying efficiency.Domestic hillside orchard double track
The research and development major part of transporter rests on mechanical research and development part, design such as such as anti-rollover etc., domestic at present temporarily no related mountain
The research of ground orchard transporter vibration test system.Load-carrying and speed in present invention research transporter transportation, load-carrying and frequency
Relation between rate, draw in transportation to the transport mainly related frequency of machine vibration, thus obtain most suitable load-carrying and
Relation between transport frequency, the spoilage that reduction fruit produces because of vibration, and the service life of transporter can be extended, change
Kind conveyor system performance, improves the conevying efficiency of transporter.
Content of the invention
It is an object of the invention to a kind of hillside orchard double track transport machine vibration test system, by transportation being
The vibration of generation such as when system track, transporter motion is analyzed, ensureing in the range of transportation safety and fruit quality, point
The main distribution of analysis system frequency of vibration, the conevying efficiency of effective elevating conveyor, the user interface of system can achieve to transport
The operating parameter such as speed of system is monitored, can lift system security performance.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of hillside orchard double track transport machine vibration test system, including computer, signal acquisition module and sensor, its
It is characterised by：Described computer is provided with the man machine interface using LabVIEW software programming, and described signal acquisition module includes shaking
Dynamic signal acquisition module, rate signal acquisition module and the cabinet with data acquisition function, described sensor includes vibration and adds
Velocity sensor, photoelectric encoder, vibration acceleration sensor is connected with vibration signals collecting module, photoelectric encoder and speed
Signal acquisition module connects, and wherein vibration acceleration sensor is used for the vibrational state of testing wheel, and photoelectric encoder is used for testing
The rotating speed of wheel, vibration signals collecting module and rate signal acquisition module embed in the chassis and cabinet is connected with computer.
Described vibration signals collecting module adopts NI 9234 vibration signals collecting module.
Described rate signal acquisition module adopts NI 9361 rate signal acquisition module.
Described signal acquisition module operating temperature range is -40 to 70 DEG C, and possesses 50g antidetonation, the function of 5g vibration proof,
Ensure that gatherer process is stably carried out.
Described vibration acceleration sensor adopts PCB acceleration transducer.
Described cabinet is the NI 9174 CompactDAQ 4 groove USB cabinet with usb data acquisition function.
A kind of method of testing of hillside orchard double track transport machine vibration test system is it is characterised in that comprise the steps：
1) start computer and carry out system initialization, wherein test equipment includes signal acquisition module and sensor；2) just
After the completion of beginningization, computer system sends acquisition instructions, and test equipment carries out data acquisition after receiving acquisition instructions；3) data is adopted
After the completion of collection, test equipment sends data and carries out data processing, and computer carries out data analysiss and exports analysis result；4) number
After the completion of analysis, carry out the Data acquisition and issuance work of next round.
Described step 1) in, computer carries out initialized mode and is：The running parameter of setting control system, such as system number
According to the hits of acquisition module, sample frequency setting, it is important that the physical channel of collection function, input wires configuration, maximum
With variables such as minima, set file storing path simultaneously, I/O channel is initialized, in wave filter setting
Then there are the filtering options such as Chebyshev, Butterworth, anti-Chebyshev in face, can also in addition be arranged according to different wave filter
Adjust cut-off frequency, sample rate, filter type, exponent number and ripple condition, amplify in waveform simultaneously have 100 in option, 1000,
10000th, 100000 selection.
Described step 1) in, the NI 9234 and NI 9361 of test equipment carries out initialized mode and is：
The startup of NI 9234 vibration signals collecting module：FPGAI/O node is configured by the beginning passage of NI 9234, will
The boolean contant being set to TRUE links to the input that starts of FPGA I/O node, and transmission lock-out pulse is to vibration signals collecting mould
Block, module will with configuration data rate start gathered data, when module starts gathered data, using FPGAI/O node from
Module read data, FPGA I/O node AI output can be wired to different functions type, due to inside NI 9234 with specific speed
Rate gathered data, FPGAI/O node just will understand returned data after module collects new data, if working as FPGA I/O node
When waiting module data, NI 9234 does not start to gathered data or stops data collection, and FPGAI/O node will return time out error
By mistake.
The startup of NI 9361 rate signal acquisition module：First by the beginning channel start of NI 9361, this passage controls
Enumerator starts to monitor the time of its input terminal, and to starting passage, then NI 9361 enumerator carries out weight to such as write TRUE
Put, ready and start to monitor its input terminal, thus the measurement (as edge counts) that execution is currently configured, NI 9361
So that it may execution CTRx and Dix I/0 node reads counter data after enumerator is ready, cannot execute before enumerator is ready
Any NI 9361I/O method or attribute node, such as need to cancel the ready state of enumerator, then using stopping passage, such as will
FALSE write starts passage, will not execute any operation.
Described step 3) in, test equipment enters data into end and arrives computer disposal, and data is carried out accordingly by computer
Time domain and the analyzing and processing of frequency domain, data results are carried out interface display, and data is preserved to specified folder.
Described step 3) in, during the man machine interface of computer shows, signal analysis interface includes vibration signals collecting input
Configuration, speed input acquisition configuration, waveform shows, wave filter setting selects, waveform amplifies and reads file setting option.
Described step 3) in, computer is sent out using sine wave signal generating functon and square wave generating functon and Gaussian noise
Raw device is mixed to be detected as simulation input waveform, and will be shown with the waveform after input filter before input filter
Show.
Described step 3) in, the access of computer data is passed through to write electrical form VI and read electrical form VI to realize,
File destination can be write data into by writing electrical form VI, realize the storage of data, thus checking vibration transport at any time
The state that machine runs before this.
System mainly realizes the measurement to system speed by Timer/Counter.While activation system, test equipment system
The Timer/Counter that chip carries is set as counter mode by system control chip, and the I/O mouth that enumerator is mapped is set as defeated
Enter pattern.Then system enables the calculating that Timer/Counter carries out the time, and sets Interruption, and every millisecond is entered and once interrupts
And calculate the number of input pulse.After completing to calculate, data packing is transferred data to receive end module.
Generally speaking, the invention has the advantages that：
1st, the whole TT＆C system install convenient of the present invention, simple structure, realizes modularity and installs, easy to maintenance, will not
Certain parts damages occurs and results in whole system risk to be changed.
2nd, the present invention adopts the analyzing and processing interface of hommization, can increase and decrease the number of functional module according to the demand of user
Amount.
3rd, signal interface can be analyzed and processed by computer, the Vibration Condition of monitor in real time hillside orchard double track transport machine with
And speed conditions.
4th, extract the feature of hillside orchard double track transport machine vibration signal.Multiple making an uproar is mixed in the measurement process of system vibration
Sound, in the present system, to collection signal be filtered process after, using FFT filtering after, mainly vibration signal is carried out amplitude with
The feature extraction of frequency；Simplify the step in test equipment hardware pretreatment Filtering Analysis, make system to the more improvement of user
Space.
Brief description
Fig. 1 is the schematic flow sheet of hillside orchard double track transport machine vibration test system of the present invention；
Fig. 2 is the structural representation of hillside orchard double track transport machine vibration test system of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：
As shown in figure 1, a kind of vibration test system for hillside orchard double track transport machine, set including computer and test
Standby, computer is mainly computer platform, and computer has the man machine interface of responsible signal analysis；Test equipment includes vibration and accelerates
Spend sensor, photoelectric encoder, NI 9234 vibration signals collecting module, NI 9361 rate signal acquisition module and there is USB
The NI 9174 CompactDAQ 4 groove USB cabinet of data acquisition function.
Specifically, above-mentioned hillside orchard double track transport machine vibration test system, is suitable for the speed excursion of transporter
For 0～15km/h, including vibration acceleration sensor, signal acquisition module and computer interface；Wherein acceleration of vibration sensing
Device adopts PCB352C33 single-axis acceleration sensors, and vibration acceleration sensor is fixed by bolts to transporter vertically just to wheel
On the vehicle frame of son.NI9234 dynamic signal acquisition module is responsible for returning to transmit by the collection of simulant signal of vibration acceleration sensor
To the NI 9174 CompactDAQ 4 groove USB cabinet with usb data acquisition function, using NI 9174CompactDAQ 4
Groove USB cabinet, just can access the C series I/O of the system based on Windows without LabVIEW Real-Time module；NI
9174 CompactDAQ 4 groove USB cabinet also diagnoses and automatically configures function, is easily installed, O＆M, and cabinet should
Possess network failure safeguard function, thus when can break in this connection, check the state of network, and can lead to remote host system
Letter, simultaneously that I/0 is in a safe condition；Shown using computer controls, the interface of hommization is easy to operation and is used according to different
Family need increase and decrease function；
Test equipment includes signal acquisition module and sensor, controls system when test equipment receives computer LabVIEW
During the signal of system, the NI 9234 of test equipment and NI 9361 need to be initialized：
1) startup of NI 9234 vibration signals collecting module：FPGAI/O can be configured by the beginning passage of NI 9234
Node.By the boolean contant being set to TRUE link to FPGA I/O node start input, lock-out pulse can be sent to mould
Block, module will start gathered data with the data rate of configuration.When module starts gathered data, it is possible to use FPGAI/O saves
Point slave module reads data.The AI output of FPGA I/O node can be wired to different functions type.Due to inside NI 9234 with
Special speed gathered data, FPGA I/O node will just understand returned data after module collects new data.If worked as
FPGAI/O node NI 9234 when waiting module data does not start to gathered data or stops data collection, FPGAI/O node
Time-out error will be returned.
2) startup of NI9361 rate signal acquisition module：First NI9361 is started, this passage control counter starts
Monitor the time of its input terminal.As write TRUE to starting passage, then NI 9361 enumerator carry out resetting, ready
And start to monitor its input terminal, thus the measurement (as edge counts) that execution is currently configured.NI 9361 enumerator just prepares
So that it may execution CTRx and Dix I/0 node reads counter data after thread.Any NI 9361 cannot be executed when enumerator is ready
I/O method or attribute node.As the ready state of enumerator cancelled by need, can be using stopping passage.As FALSE write is started to lead to
Road, will not execute any operation.
The vibration test system of the present invention mainly realizes the measurement to system speed by Timer/Counter.Start test
While system, the Timer/Counter that chip carries is set as counter mode by the control chip of test system, by enumerator
The I/O mouth of mapping is set as input pattern.Then system enables the calculating that Timer/Counter carries out the time, and sets in timing
Disconnected, every millisecond is entered the number once interrupting and calculating input pulse.After completing to calculate, data packing is transferred data to receive
End module.
Described test system acceleration of vibration test probe, acceleration transducer is installed to frame portion directly over transport vehicle
Point；The time domain waveform of Real time vision hillside orchard transporter vibration signal, signal is delivered to calculating by collection signal in real time
Machine, the time domain waveform that computer is vibrated by LabVIEW interface display.
As shown in Fig. 2 signal analysis interface includes vibration signals collecting input configuration, speed input acquisition configuration, waveform
Display, wave filter setting select, waveform amplifies and reads file setting option.
Upon power-up of the system, computer needs the parameter of initialization system work, the such as hits of System Data Collection Module,
Sample frequency is arranged, file storing path, I/O channel initialization etc., and after the completion of setting, system enters data acquisition
In the stage, data is passed through analog input end to computer disposal, and computer interface shows, and data is carried out corresponding time domain
With the analyzing and processing of frequency domain, data is preserved to specified folder.In systems, it is usually required mainly for be provided that collection function
Several variables as follows, i.e. physical channel, input wires configuration, maximum and minima, coordinate sampling clock after the completion of configuration, that is,
Voltage sample can be carried out.
There are filtering options such as Chebyshev, Butterworth, anti-Chebyshev on wave filter setting, different filter
In addition cut-off frequency, sample rate, filter type, exponent number and ripple condition can also be adjusted on ripple device；Amplify in option in waveform
There are 100,1000,10000,100000 selections；Collect the waveform after original waveform and analyzing and processing to show in man machine interface.
The vibration that the vibration test system of the present invention is applied to mountain region rail transport machine carries out detecting, analyzes, by dividing
The vibration parameters of analysis mountain region rail transport machine and its influence factor, thus to the ride comfort of the operation of mountain region rail transport machine, peace
Full character condition carries out monitor in real time, thereby may be ensured that the product quality in the fortune defeated way of fruit and production safety.System with
LabVEW is computer software development environment.LabVIEW software provides abundant encapsulation function, can effectively and rapidly develop institute
The system monitoring interface needing, after user only needs the interface setting relevant parameter by writing, by the USB port of computer,
Connect the vibration signals collecting module of National Instruments NI, using vibration signals collecting module, vibration signal is adopted
Collection, and collection signal is acquired, the operation such as storage of display and data.Computer system passes through the letter having write
The signal collecting is carried out analysis and the process of time domain and frequency by number processing routine.The main work(of test equipment control subsystem
Can be the speed of collection transporter, and the data collecting is sent to computer system.Wherein subsystem is mainly by speed
Measurement part, transmitting portion and receiving portion composition.Wherein, transmitting portion is mainly by vibrating sensor and peripheral circuit group
Become.Receiving portion is mainly made up of peripheral circuit, and system passes through the data that analysis gathers, and obtains system vibration factor and vibration frequency
The relation of rate, thus lay the first stone for the research of follow-up system.
Merely illustrating the principles of the invention described in above-described embodiment and description and most preferred embodiment, without departing from this
On the premise of spirit and scope, the present invention also has various changes and modifications, and these changes and improvements both fall within requirement and protect
In the scope of the invention of shield.
Claims (10)
1. a kind of hillside orchard double track transport machine vibration test system, including computer, signal acquisition module and sensor, it is special
Levy and be：Described computer is provided with the man machine interface using LabVIEW software programming, and described signal acquisition module includes vibrating
Signal acquisition module, rate signal acquisition module and the cabinet with data acquisition function, described sensor includes vibration and accelerates
Degree sensor, photoelectric encoder, vibration acceleration sensor is connected with vibration signals collecting module, and photoelectric encoder is believed with speed
Number acquisition module connects, and vibration signals collecting module and rate signal acquisition module embed in the chassis and cabinet and computer phase
Even.
2. hillside orchard double track transport machine vibration test system according to claim 1 it is characterised in that：Described vibration adds
Velocity sensor adopts PCB acceleration transducer.
3. hillside orchard double track transport machine vibration test system according to claim 1 it is characterised in that：Described cabinet is
There is the NI 9174 CompactDAQ 4 groove USB cabinet of usb data acquisition function.
4. a kind of method of testing of hillside orchard double track transport machine vibration test system is it is characterised in that comprise the steps：
1) start computer and test equipment carries out system initialization, wherein test equipment includes signal acquisition module and sensing
Device；2) after the completion of initializing, computer system sends acquisition instructions, and test equipment carries out data acquisition after receiving acquisition instructions；
3), after the completion of data acquisition, test equipment sends data and carries out data processing, and computer carries out data analysiss and exports analysis
Result；4) after the completion of data analysiss, carry out the Data acquisition and issuance work of next round.
5. hillside orchard double track transport machine vibration test system according to claim 4 method of testing it is characterised in that：
Described step 1) in, computer carries out initialized mode and is：The running parameter of setting control system, such as system data acquisition mould
The hits of block, sample frequency setting, it is important that the physical channel of collection function, input wires configuration, maximum and minima
Deng variable, set file storing path simultaneously, I/O channel is initialized, then cut on wave filter setting
In addition the ratio filtering options such as snow husband, Butterworth, anti-Chebyshev, can also arrange regulation cut-off according to different wave filter
Frequency, sample rate, filter type, exponent number and ripple condition, amplify in waveform simultaneously have 100 in option, 1000,10000,
100000 selections.
6. hillside orchard double track transport machine vibration test system according to claim 4 method of testing it is characterised in that：
Described step 1) in, vibration signals collecting module is NI 9234 vibration signals collecting module, and its initialization procedure is：By NI
9234 beginning passage configuration FPGAI/O node, will be defeated for beginning that the boolean contant being set to TRUE links to FPGAI/O node
Enter, send lock-out pulse to vibration signals collecting module, module will start gathered data with the data rate of configuration, when module is opened
During beginning gathered data, read data using FPGAI/O node slave module, the AI output of FPGAI/O node can be wired to different letters
Several classes of type, due to inside NI 9234, with special speed gathered data, FPGAI/O node will be after module collects new data
Just meeting returned data, if when waiting module data, NI 9234 does not start to gathered data or stops adopting when FPGAI/O node
Collection data, FPGAI/O node will return time-out error.
7. hillside orchard double track transport machine vibration test system according to claim 4 method of testing it is characterised in that：
Described step 1) in, rate signal acquisition module is NI 9361 rate signal acquisition module, and its initialization procedure is：First will
The beginning channel start of NI 9361, this passage control counter starts to monitor the time of its input terminal, and such as write TRUE is extremely
Start passage, then NI 9361 enumerator carry out resetting, ready and start to monitor its input terminal, thus execution is current
The measurement (as edge counts) of configuration, so that it may execution CTRx and Dix I/0 node reads after NI 9361 enumerator is ready
Counter data, cannot execute any NI 9361I/O method or attribute node, as cancelled enumerator before enumerator is ready
Ready state, then using stopping passage, such as write FALSE and start passage, will not execute any operation.
8. hillside orchard double track transport machine vibration test system according to claim 4 method of testing it is characterised in that：
Described step 3) in, data is passed through analog input end to computer disposal by test equipment, and data is carried out accordingly by computer
Time domain and the analyzing and processing of frequency domain, data results are carried out interface display, and data is preserved to specified folder.
9. hillside orchard double track transport machine vibration test system according to claim 4 method of testing it is characterised in that：
Described step 3) in, during the man machine interface of computer shows, signal analysis interface includes vibration signals collecting input configuration, speed
Input acquisition configuration, waveform show, wave filter setting selects, waveform amplifies and reads file setting option.
10. the method for testing of hillside orchard double track transport machine vibration test system according to claim 4, its feature exists
In：Described step 3) in, computer adopts sine wave signal generating functon and square wave generating functon and Gassian noise generator
Mixed and detected as simulation input waveform, and will be shown with the waveform after input filter before input filter.
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Cited By (1)
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| CN114997247A (en) * | 2022-07-28 | 2022-09-02 | 成都凯天电子股份有限公司 | FPGA-based unmanned aerial vehicle turbine engine rotating speed acquisition method and system |
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