CN108375733A - A kind of numerical control servo motor multi-parameter Performance Test System and method - Google Patents
A kind of numerical control servo motor multi-parameter Performance Test System and method Download PDFInfo
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- CN108375733A CN108375733A CN201810180028.6A CN201810180028A CN108375733A CN 108375733 A CN108375733 A CN 108375733A CN 201810180028 A CN201810180028 A CN 201810180028A CN 108375733 A CN108375733 A CN 108375733A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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Abstract
A kind of numerical control servo motor multi-parameter Performance Test System and method, the wherein described test system includes data acquisition subsystem and data access and displaying subsystem, the data acquisition subsystem can be acquired the voltage of digital control system servo motor, electric current, temperature, torque, vibration acceleration data, and the data access is used to carry out processing in real time and display to the data acquired with displaying subsystem.It is an advantage of the invention that, a whole set of test system is provided for the performance test of critical piece servo motor in digital control system, servo motor can be acquired simultaneously includes voltage, electric current, temperature, torque, vibration acceleration many kinds of parameters data so that more comprehensively accurate to the analysis of servo motor using the data of test system of the present invention.In addition test system of the present invention has many advantages, such as easy to operate, data intuitive display.
Description
Technical field
The present invention relates to motor performances to monitor field, more particularly to a kind of numerical control servo motor multi-parameter performance test
System and method, for testing many kinds of parameters data for obtaining servo motor.
Background technology
Servo-drive system is the important component of digital control system, including the parts such as electronic device, motor, related software,
It is related to the control of forceful electric power and light current.Movement velocity, tracking and the positioning accuracy of numerically-controlled machine tool, machined surface quality, productivity and
Functional reliability etc. is often depending on the dynamic and static properties of servo-drive system, and the failure of general digital control system also mainly appears on
In servo-drive system.The good and bad quality for directly determining digital control system of the performance of servo-drive system.
For servo-drive system, the degree of aging of electronic device, software etc. is relatively light, and servo motor is more easy to occur
Apparent performance deterioration, such as the abrasion of parts, burn into aging, loosening, fatigue crack increase.Further, since servo motor
It is complicated, failure mode is various, cause to be difficult Physical Mechanism angle from failure come its performance deterioration process of analyzing and researching, because
This, the present invention proposes the digital control system servo motor Testing Platform monitored based on performance state.Traditional motor status inspection
Survey method such as electrical analysis method, temperature monitoring method, vibration monitoring method etc., the performance from single parameter angle analysis motor, and
Single parameter analysis inevitably causes the biased of analysis result.Therefore it is a kind of can to the voltage of servo motor in digital control system, electric current,
The parameters such as temperature, vibration, torque are monitored, record, and extract its performance characteristic, to be further discovered that the time-varying rule of its performance
Rule, the test system for determining performance degradation and trend and improving the reliability offer data support of digital control system will help
The working performance of servo motor in comprehensive and accurate analyzing numerically controlled system.
Invention content
For the above, according to an aspect of the present invention, a kind of numerical control servo motor multi-parameter performance survey is disclosed
Test system, including：Data acquisition subsystem and data access and displaying subsystem, wherein the data acquisition subsystem is for wrapping
Include the acquisition of the voltage to digital control system servo motor, electric current, temperature, torque, vibration acceleration many kinds of parameters data, the number
According to access many kinds of parameters data for being used to acquire the data acquisition subsystem with displaying subsystem handle in real time and
Real-time display, the data acquisition subsystem and the data access are connected with displaying subsystem by data transmission cable.
Preferably, the data acquisition subsystem includes：Servo motor weighted platform, multiple signal acquisition modules and signal
Adapter, wherein the servo motor weighted platform is for loading tested servo motor, the multiple signal acquisition module difference
It is connected with the signal adapter, the signal adapter summarizes for many kinds of parameters data.
It is furthermore preferred that the servo motor weighted platform includes：Pedestal, 4 dragging motors and elevating mechanism, wherein described
4 dragging motors as load, respectively with spindle servo electric machine, X-axis servo motor, Y-axis servo motor, the Z in digital control system
Axis servo motor is connected, and the pedestal is used to support entire servo motor weighted platform, and the elevating mechanism is realized by lifting
The loading of tested servo motor.
It is furthermore preferred that the multiple signal acquisition module includes：Current acquisition module, voltage acquisition module, temperature acquisition
Module, vibration acceleration acquisition module and torque acquisition module；The wherein described current acquisition module and the voltage acquisition module
It is connected respectively with the input terminal of tested servo motor；The temperature collecting module is attached to the outer wall of tested servo motor；It is described to shake
Dynamic acceleration acquisition module is divided into horizontal vibration acceleration acquisition module and vertical vibrating acceleration acquisition module, and fixes respectively
In the level and vertical position of tested servo motor；The torque acquisition module be located at tested servo motor and dragging motor it
Between.
It is furthermore preferred that the signal adapter includes data acquisition card, the data acquisition card includes that current signal connects
Mouth, the vibration acceleration signal interface of voltage signal interface, temperature signal interface, torque signal interface, horizontal direction and perpendicular
Histogram to vibration acceleration signal interface, above-mentioned current signal interface, voltage signal interface, temperature signal interface, torque letter
The vibration acceleration signal interface of number interface, the vibration acceleration signal interface of horizontal direction and vertical direction respectively with it is described
Current acquisition module, voltage acquisition module, temperature collecting module, torque acquisition module, horizontal vibration acceleration acquisition module with
And vertical vibrating acceleration acquisition module is connected, the data acquisition card is used for the collected ginseng of multiple signal acquisition modules
After number data information summarizes, it is connected with displaying subsystem by USB data line and data access, realizes the data acquisition system
Real-time Communication for Power between system and data access and displaying subsystem.
Preferably, the data access includes with display systems：Computer and display.
According to another aspect of the present invention, it discloses a kind of using a kind of above-mentioned numerical control servo motor multi-parameter performance survey
The method of test system, including：Test system and test parameter is set；Acquisition is obtained in real time according to the test parameter of setting test system
Data；Gathered data is handled in real time；Gathered data and handling result are stored；Displaying data in real-time acquisition knot
Fruit and handling result.
Further, the setting test system and test parameter includes carrying out upper and lower limit alarming value to each measurement parameter
Setting.
It is further, described that gathered data progress, processing includes in real time：Condition curve is formed according to gathered data.
Further, it is described to gathered data and handling result carry out storage include：To test data and condition curve
Carry out automatically continuously storage or manual reconnaissance storage.
It is an advantage of the invention that providing a whole set of survey for the performance test of critical piece servo motor in digital control system
Test system to the acquisition of tested servo motor performance data, then arrives tested servo motor performance from the loading of tested servo motor
Data processing and output, wherein the performance data includes voltage, electric current, temperature, torque, a variety of data of vibration acceleration.This
What invention test system can acquire servo motor simultaneously includes voltage, electric current, temperature, torque, vibration acceleration many kinds of parameters number
According to so that it is more comprehensively accurate to the analysis of servo motor using the data of test system of the present invention.In addition present invention test system
System has many advantages, such as easy to operate, data intuitive display.
Description of the drawings
By reading the detailed description of following detailed description, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing is only used for showing the purpose of specific implementation mode, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the test system structure composition figure of the present invention.
Fig. 2 is that the voltage acquisition module of the present invention and current acquisition module access schematic diagram.
Fig. 3 is temperature collecting module, horizontal and vertical direction vibration acquisition module and the torque acquisition module of the present invention
On-position schematic diagram.
Fig. 4 is the work flow diagram of the bright test system of this law.
Fig. 5 is the display interface sectional drawing of the test system of the present invention.
Specific implementation mode
The invention discloses a kind of numerical control servo motor multi-parameter Performance Test System and methods, can be to the electricity of servo motor
Pressure, electric current, temperature, torque, vibration acceleration supplemental characteristic are acquired and monitor.It is set by the alarming value to each parameter
Fixed, whether the working performance for testing servo motor can reach requirement, can additionally test a variety of of system acquisition through the invention
Supplemental characteristic and the corresponding condition curve of generation, to carry out comprehensive assessment to tested servo motor.The system and
Implementation method is as follows：
As shown in Figure 1, a kind of numerical control servo motor multi-parameter Performance Test System of the present invention, including：Data acquisition system
System and data access and displaying subsystem, wherein data acquisition subsystem include again：Servo motor weighted platform, multiple signals are adopted
Collect module and signal adapter, and includes data acquisition card in the signal adapter.The multiple signal acquisition module
Collected multi-signal is uniformly summarized by the data acquisition card, and the final data acquisition card can pass through communication line
Cable realizes the data acquisition subsystem and the data access and shows the information exchange between subsystem.
Specifically, the servo motor weighted platform includes：Pedestal, 4 dragging motors and elevating mechanism, wherein described 4
Platform dragging motor as load, respectively with spindle servo electric machine, X-axis servo motor, Y-axis servo motor, the Z axis in digital control system
Servo motor is connected, and the pedestal is used to support entire servo motor weighted platform, and the elevating mechanism realizes quilt by lifting
Survey the loading of servo motor.More specifically, the spindle servo electric machine, X-axis servo motor, Y-axis servo motor, Z axis servo electricity
Machine distinguishes corresponding servo unit and is connected, and is respectively spindle servo unit, X-axis servo unit, Y-axis servo unit, Z
Axis servo unit, four kinds of corresponding servo units of four kinds of servo motors collectively constitute NC (numerical control) module.Wherein X-axis
Servo unit, Y-axis servo unit, Z axis servo unit are also known as fitted to servo unit, X-axis servo motor, Y-axis servo motor, Z
Axis servo motor, which is otherwise known as, fits to servo motor.The spindle servo electric machine with it is described fit to servo motor by shaft coupling with
The mode of axis even is connected with four dragging motors, is used for controlling the tested servo motor as load by four dragging motors
Operating mode.Among the above, servo unit is numerically-controlled machine tool " executing agency ", can accurately be executed by CNC (numerically-controlled machine tool) device
The effect of the motion command sent out, servo unit mainly has：First, reference axis is made to be run according to the speed that numerical control device gives；Two
It is that reference axis is made to be positioned according to the position that numerical control device gives.
The multiple signal acquisition module includes：Current acquisition module, voltage acquisition module, temperature collecting module, vibration
Acceleration acquisition module and torque acquisition module, wherein the current acquisition module and the voltage acquisition module are respectively three-phase
Current sensor and voltage sensor, for detecting the input current and input voltage of tested servo motor.Inventive can be surveyed
Test system includes 4 three-phase current sensors, 4 voltage sensors, and 8 sensors are simultaneously defeated with tested servo motor respectively
Enter end to be connected, it is specific as shown in Figure 2.The temperature collecting module is temperature sensor, for detecting the outer of tested servo motor
Shell surface Wen Di, is attached to the outer wall of tested servo motor；The vibration acceleration acquisition module is divided into horizontal vibration acceleration and adopts
Collection module is individually fixed in tested with vertical vibrating acceleration acquisition module for detecting the shock conditions of tested servo motor
The level and vertical position of servo motor；The torque acquisition module is torque sensor, for detecting the main axle servo electricity
Machine is fitted to the torque between servo motor shaft coupling and dragging motor, is located at and is tested between servo motor and dragging motor, the temperature
It is as shown in Figure 3 to spend sensor, the oscillatory acceleration sensor, the specific on-link mode (OLM) of the torque sensor.
As shown in figure 3, including servo motor 1, vertical direction oscillatory acceleration sensor 2, holder 3, the first shaft coupling
Device 4, torque sensor 5, second shaft coupling 6, dragging motor 7, horizontal direction oscillatory acceleration sensor 8 and temperature sensor 9.
Wherein temperature sensor is attached to the side wall of tested servo motor 1, and vertical direction oscillatory acceleration sensor 2 shakes with horizontal direction
Acceleration transducer 8 is located at same section, is respectively arranged in the horizontal direction and vertical direction of Backstab servo motor, and same
Positioned at the case surface of tested servo motor.Spindle servo electric machine and fit to servo motor (tested servo motor) pass through axis even
Mode connects with corresponding dragging motor axis, and first shaft coupling 4 is connected with servo motor 1, second shaft coupling 6 and dragging motor
7 are connected, and the torque sensor is between the first shaft coupling 4 and the second shaft coupling 6.The present invention tests system work
When making, dragging motor becomes load by fitting to servo motor dragging.
Data acquisition card in the signal adapter connects including a current signal interface of 12 (4*3 phases), 4 voltage signals
Mouth, 4 temperature signal interfaces, 4 torque signal interfaces, the vibration acceleration signal interface of 4 horizontal directions, 4 vertical sides
To vibration acceleration signal interface, above-mentioned interface respectively with the current acquisition module, voltage acquisition module, temperature acquisition mould
Block, torque acquisition module, horizontal vibration acceleration acquisition module and vertical vibrating acceleration acquisition module are connected.The letter
Number capture card then leads to for summarizing the collected many kinds of parameters data information of multiple signal acquisition modules (multiple sensors)
It crosses the communications cable and the data access is communicated with display systems, wherein the communications cable is logical with USB interface
Believe cable.Further include signal isolation and modulate circuit in the signal adapter, for the collected signal of multiple sensors
Carry out harmonic wave and noise reduction process.
The data access and display systems include computer and display, for the test system control and
Monitoring to gathered data, processing and preservation.The use process of the test system includes that test system and test parameter is arranged；
Gathered data is obtained in real time according to setting test system and test parameter；Gathered data is handled in real time；To gathered data with
And handling result is stored；Displaying data in real-time collection result and handling result.Specifically, the data access and displaying
System realize function include：
1) acquisition in real time, real-time processing, real-time storage and display, heretofore described storage can at most store 52 simultaneously
The parameter value in channel.
2) upper and lower limit alarm is carried out to each measurement parameter, alarming value can arbitrarily be set, by setting alarm limits, root
According to measurement parameter alarm whether, alarm times and alert frequency, to assessment be tested servo motor in the parameter whether
It meets the requirements.
3) test system of the present invention can generate real-time status curve, real-time data collection and reality according to real-time data collection
When condition curve automatically continuously storage is carried out to test data and curve or carries out manual reconnaissance storage by the wish of user；
4) for the various settings of parameter (e.g., the title unit of signal, signal whether enable, acquire signal display precision,
Acquire signal range, acquisition signal alarm limit value, including upper and lower bound) there is memory function, it need to only input primary；
5) by checking that saving historical data carries out test gatherer process playback；
6) test data and curve can be exported in WORD or EXECL, test result can be carried out by printer
Data, curve printing；
7) menu and shortcut key dual operation, it is simple to operation, it is easy to maintain.
Below in conjunction with a kind of actual displayed interface of numerical control servo motor multi-parameter Performance Test System of Fig. 4 present invention
The course of work of sectional drawing test system of the present invention further elucidated above.As shown in figure 4, the setting test system and test parameter packet
Setting test number is included, management exercise data are used for；Parameter channel is arranged, i.e., connects sensor is corresponding on data acquisition card
Mouth corresponds, and enables the interface for being connected to sensor；Real-time curve selects, and the real-time curve of a sensor is checked in selection；
The XY curves of a sensor are checked in XY Curve selections, selection；Single acquisition, single acquisition data pass through single acquisition data
Check the instantaneous value of multiple sensors；Interval acquisition is acquired by the way that the data acquisition intervals time is arranged into between-line spacing, according to a system
Row interval gathered data can be processed into real-time curve (real-time status curve) in real time；Continuous acquisition, by be arranged frequency acquisition with
Certain frequency carries out continuous acquisition to data can be processed into real-time curve (real-time status in real time according to a series of continuous acquisition data
Curve)；Real-time data collection and real-time status curve carry out test data and curve automatically continuously to store or press user
Wish carry out manual reconnaissance storage；Output data exports gathered data；Data and curves, what output was formed according to gathered data
Condition curve；Check historical data；Check history curve.It should be noted that real-time curve is used for describing passing except vibration acceleration
The data variation of sensor other than sensor, vibration acceleration sensor data variation are described by XY curves, feature
It is to show horizontal vibration situation and vertical vibrating situation simultaneously.
The display content that the present invention tests system includes that measurement data, gathered data show, real-time curve, XY curves, go through
History data, history real-time curve, history XY curves.Wherein measurement data includes：Parameter name, unit, measured value, upper alarm
(upper limit alarm state), lower alarm (lower limit alarm), zero-setting operation (modification bound alarming value is abandoned cancelling modification), test
Date-time starts time, system operation time.
Pass through the above method so that the present invention tests the easy to operate of system, and data are checked intuitively, and realizes and pass through this
Invention is monitored the various states data for being tested servo motor, according to collected many kinds of parameters data and corresponding shape
State curve carries out comprehensive assessment to the performance for being tested servo motor.
More than, illustrative specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, appoints
What those familiar with the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, all
It is covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of numerical control servo motor multi-parameter Performance Test System, which is characterized in that including：Data acquisition subsystem and data
Access with displaying subsystem, wherein the data acquisition subsystem for include the voltage to digital control system servo motor, electric current,
The acquisition of temperature, torque, vibration acceleration many kinds of parameters data, the data access are used for displaying subsystem to the data
The many kinds of parameters data of acquisition subsystem acquisition carry out processing and real-time display in real time, the data acquisition subsystem and described
Data access is connected with displaying subsystem by data transmission cable.
2. a kind of numerical control servo motor multi-parameter Performance Test System according to claim 1, which is characterized in that the number
Include according to acquisition subsystem：Servo motor weighted platform, multiple signal acquisition modules and signal adapter, wherein the servo is electric
For loading tested servo motor, the multiple signal acquisition module is connected with the signal adapter machine weighted platform respectively,
The signal adapter summarizes for many kinds of parameters data.
3. a kind of numerical control servo motor multi-parameter Performance Test System according to claim 2, which is characterized in that described to watch
Taking motor weighted platform includes：Pedestal, 4 dragging motors and elevating mechanism, wherein 4 dragging motors divide as load
It is not connected with spindle servo electric machine, X-axis servo motor, Y-axis servo motor, the Z axis servo motor in digital control system, the pedestal
It is used to support entire servo motor weighted platform, the elevating mechanism realizes the loading for being tested servo motor by lifting.
4. system according to claim 2, which is characterized in that the multiple signal acquisition module includes：Current acquisition mould
Block, voltage acquisition module, temperature collecting module, vibration acceleration acquisition module and torque acquisition module；The wherein described electric current is adopted
Collection module is connected with the input terminal of tested servo motor respectively with the voltage acquisition module；The temperature collecting module be attached to by
Survey the outer wall of servo motor；The vibration acceleration acquisition module is divided into horizontal vibration acceleration acquisition module and adds with vertical vibrating
Speed acquisition module, and it is individually fixed in the level and vertical position of tested servo motor；The torque acquisition module is located at quilt
It surveys between servo motor and dragging motor.
5. a kind of numerical control servo motor multi-parameter Performance Test System according to claim 2, which is characterized in that the letter
Number adapter includes data acquisition card, and the data acquisition card includes current signal interface, voltage signal interface, temperature signal
Interface, torque signal interface, the vibration acceleration signal interface of horizontal direction and vertical direction vibration acceleration signal connect
Mouthful, the vibration of above-mentioned current signal interface, voltage signal interface, temperature signal interface, torque signal interface, horizontal direction accelerates
Spend the vibration acceleration signal interface of signaling interface and vertical direction respectively with the current acquisition module, voltage acquisition mould
Block, temperature collecting module, torque acquisition module, horizontal vibration acceleration acquisition module and vertical vibrating acceleration acquisition module
It is connected, the data acquisition card is for after summarizing the collected Parameter data information of multiple signal acquisition modules, passing through USB
Data line and data access are connected with displaying subsystem, realize the data acquisition subsystem and data access and displaying subsystem
Between real-time Communication for Power.
6. system according to claim 1, which is characterized in that the data access includes with display systems：Computer with
Display.
7. a kind of using a kind of numerical control servo motor multi-parameter Performance Test System described in the claims 1-6 any one
Method, which is characterized in that including：
Test system and test parameter is set；
Gathered data is obtained in real time according to the test parameter of setting test system；
Gathered data is handled in real time；
Gathered data and handling result are stored；
Displaying data in real-time collection result and handling result.
8. the method according to the description of claim 7 is characterized in that the setting test system and test parameter includes to each survey
Measure the setting that parameter carries out upper and lower limit alarming value.
9. the method according to the description of claim 7 is characterized in that described, to gathered data progress, processing includes in real time：According to
Gathered data forms condition curve.
10. the method according to the description of claim 7 is characterized in that described store gathered data and handling result
Including：Automatically continuously storage or manual reconnaissance storage are carried out to test data and condition curve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810180028.6A CN108375733A (en) | 2018-03-05 | 2018-03-05 | A kind of numerical control servo motor multi-parameter Performance Test System and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810180028.6A CN108375733A (en) | 2018-03-05 | 2018-03-05 | A kind of numerical control servo motor multi-parameter Performance Test System and method |
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| CN110618384A (en) * | 2019-10-25 | 2019-12-27 | 四川诚邦浩然测控技术有限公司 | Motor performance test platform |
| CN113029410A (en) * | 2021-04-08 | 2021-06-25 | 珠海格力智能装备有限公司 | Method and device for determining rated power of servo motor |
| CN113091953A (en) * | 2021-04-13 | 2021-07-09 | 江苏徽创新智能科技有限公司 | Temperature detection system based on servo motor |
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Application publication date: 20180807 |