CN106154160A - A kind of servomotor test system - Google Patents
A kind of servomotor test system Download PDFInfo
- Publication number
- CN106154160A CN106154160A CN201610485439.7A CN201610485439A CN106154160A CN 106154160 A CN106154160 A CN 106154160A CN 201610485439 A CN201610485439 A CN 201610485439A CN 106154160 A CN106154160 A CN 106154160A
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- motor
- test
- servomotor
- load
- motor driver
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a kind of servomotor test system, described servomotor test system includes industrial computer and the tested motor driver being connected respectively with described industrial computer, motor drive power supply, data acquisition module, power analyzer, load motor driver, described tested motor driver and the electrical connection of described motor driver, the other end of described data acquisition module is connected to by measured motor, described power analyzer is connected to described rotating speed torque drivers, described load motor driver is respectively connecting to load motor and energy feedback type load, described power analyzer is electrically connected by measured motor with described.Wherein, motor and driver analyser 3 power boards of employing are for testing by the input electrical quantity of measured motor, and electromechanical testing board is used for moment of torsion and the rotating speed of testing of electric motors output, and servomotor reaches control accuracy height, the effect of fast response time.
Description
Technical field
The invention belongs to electromechanical testing field, be specifically related to a kind of servomotor test system.
Background technology
In recent years, the development of science and technology proposes the highest requirement to motor performance and quality index, and motor is surveyed
The development of examination technology is closely-related with the development of electric machine industry.Motor test is to combine quality of motors and technical performance
Close the important step evaluated, be the important procedure of motor manufacturing and production.Traditional testing equipment and method are due to the operating time
Long, the instrument that need to observe is many, artificial read test data and carry out data analysis, calculating, have impact on motor to a certain extent
The quality of test and precision.Along with current design of electrical motor level, the further lifting of technological level, and the raw-material property of motor
Can improve constantly, performance and the quality index of motor are greatly improved.Therefore, to the requirement of Motor Measuring Technology the most day by day
Improving, servomotor is the most such.
It is thus desirable to provide the more efficient servomotor test system of one solves the problems referred to above.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of servomotor test system so that motor
Control accuracy is higher, response speed faster.
A kind of servomotor test system, described servomotor test system include industrial computer and respectively with described work
The tested motor driver of control computer connection, motor drive power supply, data acquisition module, power analyzer, load motor drive
Dynamic device, described tested motor driver and the electrical connection of described motor driver, the other end of described data acquisition module is connected to
By measured motor, described power analyzer is connected to described rotating speed torque drivers, described load motor driver is respectively connecting to
Load motor and energy feedback type load, described power analyzer is electrically connected by measured motor with described.
Preferably, the software system of described servomotor test system includes testing module, data analysis module and form
Derive module.
Preferably, described test module includes automatically testing and manual test.
Preferably, described automatic test includes automatic measurement of rotating speed and automatic torque test.
Technical scheme has the advantages that
A kind of servomotor test system that the present invention provides, the motor of test system uses 3 power with driver analyser
Board is for test by the input electrical quantity of measured motor, and electromechanical testing board is used for moment of torsion and the rotating speed of testing of electric motors output, watches
Taking motor and reach control accuracy height, the effect of fast response time, performance and the quality index of motor are greatly improved.
Accompanying drawing explanation
Below by drawings and Examples, technical scheme is described in further detail.
Fig. 1 is the system block diagram of a kind of servomotor of present invention test system.
Detailed description of the invention
In order to have a clear understanding of technical scheme, its detailed structure be will be set forth in the description that follows.Obviously, originally
The concrete also deficiency of implementing of inventive embodiments is limited to the specific details that those skilled in the art is familiar with.The present invention's is preferred real
Execute example to be described in detail as follows, in addition to these embodiments described in detail, it is also possible to there is other embodiments.
With embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, a kind of servomotor test system, described servomotor test system includes industrial computer and difference
The tested motor driver that is connected with described industrial computer, motor drive power supply, data acquisition module, power analyzer, negative
Carry motor driver, described tested motor driver and the electrical connection of described motor driver, another of described data acquisition module
End is connected to by measured motor, and described power analyzer is connected to described rotating speed torque drivers, described load motor driver is divided
Not being connected to load motor and energy feedback type load, described power analyzer is electrically connected by measured motor with described.
During work, loaded by measured motor with servomotor, be stepped down to 25% nominal load from 150% nominal load,
The most at least choose 6 test points (100% nominal load point must be comprised), measure its voltage, electric current, power, torque, rotating speed
Etc. parameter and calculate.
Take in embodiment is MDA serial motors and driver analyser, is exclusively used in measurement motor, converter, driver
Special instrument.It has been provided simultaneously with the functions such as power analyzer, wave tracer, data logger, can meet motor completely
With driver test high bandwidth, in high precision, the measurement requirement of high reliability.Wherein, MDA8000 series of products can have merit simultaneously
Rate measurement module and motor measurement module so that the input/output argument of motor and driver can synchro measure, thus ensure
The verity of efficiency test
Torque speed sensor is used for moment of torsion and the rotating speed of testing of electric motors output, can be divided into two kinds by the place of production, and a kind of is domestic,
Another kind is import brand, is respectively arranged with pluses and minuses: the precision of domestic brand is generally done the highest, and the life-span of precision stability is big
Generally can maintain 2 ~ 3 years, but its low price, delivery date is the most comparatively short, general 2 ~ 3 weeks；The price comparison of import brand is expensive, delivery date
The most relatively long, be typically necessary more than 12 weeks, but the precision of import brand can be made the highest, the precision stability life-span up to
More than ten years are the most longer.By customer demand, native system is optional domestic.
Current transformer can be converted to instrument the big electric current exceeding apparatus measures scope by certain no-load voltage ratio and can adopt
The small area analysis signal of collection.Electric current is one of system most basic measurement item, and its certainty of measurement directly affects the precision of whole system
Grade.Therefore, precision height, the current transformer of good stability is selected to be necessary.In this project, select Switzerland
The IT series 200A range current transformer of LEM company, precision is up to 0.05%.
Motor mounting platform, we are divided into fixed, three-dimensional regulation formula.Fixed applicable any weight making by measured motor
With, shortcoming is exactly that different motors are required for changing by tested motor mounting rack.Within three-dimensional regulation formula is suitable for 30 kilograms, power is little
In 2 kilowatts by measured motor (if rotating speed is the highest, power can suitably raise), advantage is suitable for different size of motor to be made
With, centering and installation are the most very convenient.
Motor coupler selects spring or bellows-type, within they are applicable to 20N.m.If greater than 20N.m mono-
As select quincunx.Shaft coupling also divides import and domestic, and the price of import is high, substantially will be 2,000 the most thousand of, import
The shortcoming equally existing delivery date length, general 2 ~ 3 weeks of domestic delivery date.
Single phase ac programmable power supply, for being alternating current generator by measured motor, is powered during measurement, its input single-phase 220V,
Output is to carry out 0 ~ 150V or 0 ~ 300V pressure regulation, single-phase output, and frequency is 47-63Hz, can meet alternating current generator completely
Test needs.By this power supply, system can carry out full automatic load testing
Testing, client, the mechanical load that inside system, we select is servomotor.Servomotor does load and has control accuracy
Height, favorable repeatability (being better than other magnetic loadings), moderate cost, stall, torque mode and rotating speed Schema control can be done all
Can realize, fan hot systems without extra interpolation, the advantages such as energy load can be connected.The control accuracy of moment of torsion and rotating speed substantially can
Reaching 0.5%(when being at a high speed supported on 2% rotating speed, control accuracy still can reach 5%.
Data acquisition module protects data collection and control function, can control various relay, acquisition controlling cabinet temperature
Degree, protective current, voltage etc..Native system uses and causes MTU of new generation blade type based on the network communication data that remote electronics produces
Acquisition control system.Use unitization structure, simple, flexible, communication module and various data acquisition and control module independent assortment,
Tackle various on-the-spot application.MTU system can pass through the communication modes such as RS-485/RS-422/RS-232, Ethernet or CAN-bus
Realize the long-range control of the data acquisition to on-the-spot various sensors and equipment.
Industrial computer is the data processing centre of system, is also the carrier of man-machine interaction.The industry meter that native system uses
Calculation machine MTPC-680, based on Intel atom series low power processor (x86 framework), this industrial computer have aboundresources,
Interface is complete, low-power consumption, reliability high；Use simultaneously advanced person fan-free, without cable designs, greatly strengthen system
Stability.While ensureing that process performance meets system needs, the design of high reliability also stablizing for whole test system
Work provides powerful guarantee.
MTPC-680 industrial computer feature, fan-free designs: compact embedded cabinet, without cpu fan, system wind
Any fan apparatus such as fan, power supply fan, decrease the maintenance needs of system；Without cable designs: in common inserted computer
Interface and CPU board will be connected with cable.But the usual cracky of cable, bad connection or setup error this may result in system therefore
Barrier.But the interface of MTPC-680 industrial computer is all directly welded on PCB, without cable designs, substantially increase system steady
Qualitative；Aim at and need the user of firm and high reliability industry platform to design and can bear high impact properties and high vibration resistance, suitable
Environment for very severe；Good anticorrosive and heat dispersion: aluminum shell and heat sink design make system not only have
There is high-cooling property and there is high corrosion resistance.This makes have high reliability when running under equipment environment out of doors.
Automatically test is divided into two kinds: measurement of rotating speed and automatic torque test automatically.Automatically prior by user under rotating speed pattern
Configuration needs the speed point of test, is then controlled rotating speed by load motor, it is ensured that rotated with the rotating speed set by measured motor,
Finally testing each speed point successively, collecting test data are analyzed.Equally by load motor under automatic torque test pattern
There is provided user load is set in advance, it is ensured that by measured motor under this load properly functioning, last collecting test data are analyzed.
Two kinds of automatic test patterns are that electromechanical testing provides a quickly testing scheme for simplicity, allow the user can be easily and intuitively
Recognize by the general information of measured motor, such as pressure point of maximum efficiency, peak power output etc..Additionally, user can be by configuring
The test point of more crypto set realizes accurately testing, in order to obtain more detailed motor performance and parameter.The most automatically test
Under pattern, user can configure under the test parameter that some are special, such as torque mode, and moment of torsion is set to 0, can test tested
Motor parameters under no-load condition.
Therefore test is a kind of quick testing scheme of extremely convenient automatically, and it is the highest to test degree of freedom, and user is the most permissible
By configuration testing point, the performance of motor is carried out profiling, labor, simultaneously can be by configuring special test point
Mode carries out stall test, no load test etc. to motor.
Manual test is divided into two kinds equally, and manual measurement of rotating speed and manual torque test, both of which is all manually
Setting speed or moment of torsion, then ensured rotating speed or load capacity by load motor, the control to PA can be discharged under this pattern, now use
Family can utilize the analytic function of MDA itself to be extended motor analyzing, such as voltage, electric current, power factor, power, effect
Rate, frequency, harmonic wave, three-phase imbalance, waveform, frequency spectrum, rotating speed, moment of torsion, mechanical output etc. are measured.
Form export function is to test data, and motor information exports to excel form, and can directly support to print, report
Table content is divided into page two, page 1 is electromechanical testing and motor is correlated with summary info, including following content: test information, including
Test person, remarks, the information such as testing time；Motor information, the information such as including Rated motor voltage, nominal torque；Maximum is believed
Breath, including the test information of motor when maximum (top) speed, moment of torsion, output, efficiency.
One servomotor of the present invention test system, the motor of test system uses 3 power amplifier boards with driver analyser
Card is for test by the input electrical quantity of measured motor, and electromechanical testing board is used for moment of torsion and rotating speed, the servo of testing of electric motors output
Motor reaches control accuracy height, the effect of fast response time, and performance and the quality index of motor are greatly improved.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit, to the greatest extent
The present invention has been described in detail by pipe with reference to above-described embodiment, and those of ordinary skill in the field still can be to this
Bright detailed description of the invention is modified or equivalent, these without departing from spirit and scope of the invention any amendment or
Equivalent, all within the claims that application is awaited the reply.
Claims (4)
1. a servomotor test system, it is characterised in that described servomotor test system includes industrial computer and divides
The tested motor driver that is not connected with described industrial computer, motor drive power supply, data acquisition module, power analyzer,
Load motor driver, described tested motor driver and the electrical connection of described motor driver, described data acquisition module another
One end is connected to by measured motor, and described power analyzer is connected to described rotating speed torque drivers, described load motor driver
Being respectively connecting to load motor and energy feedback type load, described power analyzer is electrically connected by measured motor with described.
Servomotor the most according to claim 1 test system, it is characterised in that the soft of system tested by described servomotor
Part system includes that testing module, data analysis module and form derives module.
Servomotor the most according to claim 2 test system, it is characterised in that described test module includes automatically testing
And manual test.
Servomotor the most according to claim 3 test system, it is characterised in that described automatic test includes automatic rotating speed
Test and automatic torque are tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485439.7A CN106154160A (en) | 2016-06-28 | 2016-06-28 | A kind of servomotor test system |
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| CN201610485439.7A CN106154160A (en) | 2016-06-28 | 2016-06-28 | A kind of servomotor test system |
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| CN106154160A true CN106154160A (en) | 2016-11-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970323A (en) * | 2017-01-24 | 2017-07-21 | 杭州威衡科技有限公司 | Robot servo driver testing calibration device |
| CN108375733A (en) * | 2018-03-05 | 2018-08-07 | 北京航空航天大学 | A kind of numerical control servo motor multi-parameter Performance Test System and method |
| CN109188276A (en) * | 2018-09-06 | 2019-01-11 | 南京越博电驱动系统有限公司 | A kind of servo motor is to dragging platform |
| CN112859820A (en) * | 2021-02-01 | 2021-05-28 | 嘉兴嘉来机器人有限公司 | Servo driver bus connection detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970323A (en) * | 2017-01-24 | 2017-07-21 | 杭州威衡科技有限公司 | Robot servo driver testing calibration device |
| CN106970323B (en) * | 2017-01-24 | 2019-07-26 | 杭州威衡科技有限公司 | Robot servo driver testing calibration device |
| CN108375733A (en) * | 2018-03-05 | 2018-08-07 | 北京航空航天大学 | A kind of numerical control servo motor multi-parameter Performance Test System and method |
| CN109188276A (en) * | 2018-09-06 | 2019-01-11 | 南京越博电驱动系统有限公司 | A kind of servo motor is to dragging platform |
| CN112859820A (en) * | 2021-02-01 | 2021-05-28 | 嘉兴嘉来机器人有限公司 | Servo driver bus connection detection device |
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Application publication date: 20161123 |