CN104407297A - Comprehensive multi-station fully-automatic motor stator testing device - Google Patents
Comprehensive multi-station fully-automatic motor stator testing device Download PDFInfo
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- CN104407297A CN104407297A CN201410720222.0A CN201410720222A CN104407297A CN 104407297 A CN104407297 A CN 104407297A CN 201410720222 A CN201410720222 A CN 201410720222A CN 104407297 A CN104407297 A CN 104407297A
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Abstract
The invention relates to a comprehensive multi-station fully-automatic motor stator testing device, which is mainly used for comprehensively testing the performance of a stator, an important semi-finished product, in the production and manufacture process of a motor. The test items comprise winding direct current resistance testing, insulated resistance testing, power frequency withstand voltage testing, turn-to-turn withstand voltage testing, electromagnetic steering testing, three-phase current unbalance testing, and the like. The device structurally comprises the parts of an industrial control computer, a display, a programmable logic controller, a direct current resistance testing module, an insulated resistance testing module, a power frequency withstand voltage testing module, a turn-to-turn withstand voltage testing module, an output switch module, an output station and the like.
Description
Technical field
A kind of Multi-station electrical machine stator of the present invention comprehensive test device, has multistation power of test simultaneously, belongs to technical field of motor manufacture, can be used for the performance test of all kinds of main component of electrical machine stator.
Background technology
In motor manufacturing process, the performance of critical piece stator is most important, whether the performance of stator is qualified, need to detect, test item generally comprises: megger test, winding D.C. resistance test, industrial frequency withstand voltage test, the test of turn-to-turn voltage-withstand test, three-phase current unbalance, electromagnetic steering test etc.General factory can adopt independent instrument to test item by item stator, complete in manual testing and operation, testing efficiency is low, and test result easily affects by peripheral environment and testing crew, in automated production workshop, the operation rhythm of production line obviously can not be met.
Existing stator comprehensive tester, by insulation resistance, winding D.C. resistance, industrial frequency withstand voltage, four projects combos such as turn-to-turn is withstand voltage together, achieves disposable wiring, automatically can complete the test of four projects, achieve partial automation power of test.
Along with the raising of equipment automaticity manufactured by motor, link is checked as most important intermediate mass, more and more higher to the requirement of stator comprehensive test device, as the accuracy of the robotization of test operation, test findings, the high-level efficiency of test operation, the reliability of proving installation and service ability etc. continuously.
As can be seen here, there is the stator comprehensive test device of These characteristics, be one of production equipment of necessity in motor product manufacturing process, there is wide market application foreground.
Summary of the invention
The present invention seeks to the demand manufacturing enterprise for motor, propose a kind of Multi-station full-automatic motor comprehensive test device, can be used for general enterprises, also may be used for the automated production of high-end production line, automatic test.
In order to achieve the above object, technical scheme of the present invention there is provided a kind of Multi-station full-automatic motor stator comprehensive test device, it is characterized in that, comprises control system, test module, output switching unit and at least one output station, wherein:
Test module comprises direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module, electromagnetic steering test module and testing current module, and direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module, electromagnetic steering test module and testing current module connect the primary circuit of each output station through output switching unit, by output switching unit under control of the control system by direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module, electromagnetic steering test module and testing current module switch between each output station, switch after putting in place, by direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module, electromagnetic steering test module and testing current module are tested under control of the control system, result after test is back to control system, simultaneously, the secondary circuit of each output station is connected with control system, thus the control of controlled system.
Preferably, described control system comprises display, industrial control computer and programmable logic controller (PLC), display and programmable logic controller (PLC) connect industrial control computer, industrial control computer is connected with described direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module, electromagnetic steering test module and testing current module, and programmable logic controller (PLC) is connected with the secondary circuit of described output switching unit and described output station.
Process of the test sets arbitrarily pilot project, test station as required by industrial control computer, controls programmable logic controller (PLC) by industrial control computer, controls whole device and realizes full-automatic operation.Test findings is sent to the unified process of industrial control computer by each test module, avoids the link of artificial reading and process data.
Preferably, described output switching unit comprises output switching module summation current transformer, the input end of current transformer is connected with described testing current module, its output terminal is connected with output switching module, described direct current resistance test module, megger test module, industrial frequency withstand voltage test module, turn-to-turn voltage-withstand test module and electromagnetic steering test module connect the input end of output switching module, the output terminal of output switching module connects the primary circuit of each described output station, and the control end of output switching module connects described control system.
Current transformer and testing current module for testing by the three-phase current of subjects, and analyze the balance of three-phase current.Output switching module is between each test module and export between station, is mainly used in switching exporting, and realizes the function that multistation is tested simultaneously.
Apparatus of the present invention have following features:
This proving installation devises output switching unit, is not only applicable to separate unit tested object, also has multiple station, multiple stage tested object can be applicable to, effectively utilize each test module of device, add the service efficiency of device, be more applicable for high efficiency production occasion.Station number can be expanded.
This proving installation test event is except four key property tests such as winding D.C. resistance test, megger test, industrial frequency withstand voltage test, turn-to-turn voltage-withstand test, further comprises three-phase current unbalance test, stator electromagnet slew test, the performance of stator can be judged comprehensively.
This proving installation programmable logic controller (PLC) controls the operation of whole device, and the test of all items and all stations all can realize robotization, is applicable to automatic production line.
This proving installation adds industrial control computer, effectively can carry out the intelligent management of test process and test result, testing process and test event, test station all can set as required, test findings can carry out recording, analytic statistics etc., therefore this device is simple to operate, uses flexibly.
In sum, this device to test project is complete, many and the easily extensible of test station, testing process and test event etc. are able to programme, there is full-automatic power of test, intelligent management can be carried out, by the practical application in factory to test process and test data, effectively improve the testing efficiency of product, improve throughput rate.
Accompanying drawing explanation
Fig. 1 is a kind of theory diagram of multi-functional full-automatic motor stator comprehensive test device;
Fig. 2 is a kind of single station experiment process figure of multi-functional full-automatic motor stator comprehensive test device;
Fig. 3 is a kind of multistation experiment process figure of multi-functional full-automatic motor stator comprehensive test device.
Embodiment
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
With reference to Fig. 1, the present invention includes: control system 1, test module 2, output switching unit 3, output station 4.
Control system 1 comprises the parts such as display 5, industrial control computer 6, programmable logic controller (PLC) 7 and forms.Display 5 is connected with industrial control computer 6, for the man-machine interaction of this device with operating personnel.Programmable logic controller (PLC) 7 is connected with industrial control computer 6, accepts the instruction of industrial control computer 6, controls the part such as this device output switching unit 3 and each output station 4 by host computer instruction operation.
Test module 2 comprises six module compositions such as direct current resistance test module 8, megger test module 9, industrial frequency withstand voltage test module 10, turn-to-turn voltage-withstand test module 11, electromagnetic steering test module 12 and testing current module 13.Six test modules are connected with output switching module 16 with industrial control computer 6, each test module accepts the instruction of industrial control computer 6, carry out testing and test data or test result are uploaded to industrial control computer 6, modules parallel-connection structure, asynchronously work, once only a module carries out work.
Output switching unit 3 comprises output switching module 16 summation current transformer 15.The input end of current transformer 15 is connected with testing current module 13, its output terminal is connected with output switching module 16, be mainly used in the test of tested object three-phase current, test result uploads to industrial control computer 6 by testing current module 14, and analyzes the degree of unbalancedness of three-phase current by industrial control computer 6.Output switching unit 15 is connected with six modules such as direct current resistance test module 8, megger test module 9, industrial frequency withstand voltage test module 10, turn-to-turn voltage-withstand test module 11, electromagnetic steering test module 12 and testing current modules 13, for the switching of each output module and each output station, realize the bridging between each output station and each test module, according to industrial control computer 6 instruction, current test event and current station are matched.Output switching module 16 is connected with programmable logic controller (PLC) 7, by the control of programmable logic controller (PLC) 7.
Export station 4 in the present embodiment and comprise station 1, station 2 18, station 3 19, station 4 20, station 5 21, exporting station number can adjust according to the demand of device to test equivalent, can expand.The primary circuit of each output station 4 is connected with output switching module 16, and each secondary circuit exporting station 4 is connected with programmable logic controller (PLC) 7, controls by programmable logic controller (PLC) 7.
This device to test flow process is: before test, according to by the model specification of trial target, choose current test sample, test routine transfers its database automatically, automatically the pilot project number that it needs to carry out is set, set the interval of acceptance value of each test parameters, industrial control computer 6 preparation is complete, and wait instruction is tested.By being connected with this device by test agent on each output station, after confirming to connect safety, starting characteristics test program, experiment process is as described below.
With reference to Fig. 2, single station production procedure as shown in the figure.
Step 201, start, industrial control computer 6 obtains this by the test benchmark of test specimen, each database information, and to instruct ensuing robotization process of the test, the preparation of this device is complete etc. to be tested;
Step 202, carried out direct current resistance test by test specimen;
Step 203, carried out megger test by test specimen;
Step 204, carried out industrial frequency withstand voltage test by test specimen;
Step 205, carried out turn-to-turn voltage-withstand test by test specimen;
Step 206, carried out electromagnetic steering test by test specimen;
Step 207, carried out current imbalance test by test specimen;
Step 208, test figure feed back in industrial control computer 6 and preserve, and are undertaken processing and computational analysis by industrial control computer 6, whether qualifiedly provide final judgement, off-test.
With reference to Fig. 3, when each station all has by test specimen, enter multistation test, its testing process is as follows.
Step 301, start, industrial control computer 6 obtains this by the test benchmark of test specimen, each database information, and to instruct ensuing robotization process of the test, the preparation of this device is complete etc. to be tested;
Step 302, carry out the pilot project of current setting, may be any one in 6 projects, carry out full-automatic testing;
Step 303, be completed, according to presetting and current test situation, inquiry is carried out next item or is carried out next station, as needs carry out next item, then proceeds to step 304;
Such as find a certain lattice unable to close the eyes of current sample, then directly this sample can be considered as unacceptable product, no longer carry out other pilot project, directly carry out next station test, proceed to step 305;
Step 304, carry out next project testing;
Step 305, program designation are inquired about to next station, as also having next station sample to need test, then carry out steps 306, and as needed test without next station, then this test enters step 307;
Step 306, carry out all test events of next station sample;
Step 307, enter end link, test figure feeds back in industrial control computer 6 and preserves, and is undertaken processing and computational analysis by industrial control computer 6, off-test.
The present invention has following effect:
This proving installation devises output switching unit 16, and be not only applicable to the test of single station, also have multistation test function, station number can be expanded according to need of production.
This proving installation test event is except four key property tests such as winding D.C. resistance test, megger test, industrial frequency withstand voltage test, turn-to-turn voltage-withstand test, further comprises three-phase current unbalance test, stator electromagnet slew test, the performance of stator can be judged comprehensively.
This proving installation programmable logic controller (PLC) 7 controls the operation of whole device, and the test of all items and all stations all can realize robotization, is applicable to automatic production line.
This proving installation adds industrial control computer 6, and testing process and test event, test station all can set as required, and test findings can carry out recording, analytic statistics, has the feature of intelligent management.
Above-described embodiment Multi-station full-automatic stator comprehensive test device, obtains practical application.
Test event: individual event or multinomial combined optional, multinomial combined test is by " direct current resistance-insulation resistance
-turn-to-turn is withstand voltage-industrial frequency withstand voltage-electromagnetic steering-three-phase current unbalance " and test sequence.Test station totally five stations: single station or Multistation optional, Multistation test is by " station one-station two-station three-station four-station five " test sequence.
Its key technical indexes is as follows:
Direct current resistance is tested:
Measurement range: 10m Ω-20k Ω auto-shifted measurement
Maximum degree of unbalancedness alarming value: arbitrary value in 0-99.9%
Test period: 0-999s continuously adjustabe
Measure the resistance value of (display) threephase stator winding respectively, calculate display three-phase resistance mean value and maximum degree of unbalancedness.
Megger test:
Measuring voltage: 500V/1000V is optional
Measurement range: 0 ~ 200M Ω auto-shifted measurement
Resistance alarming value: arbitrary value in 0 ~ 200M Ω
Test period: 1-999s continuously adjustabe
Measure stator winding to the insulating resistance value of shell, i.e. (ABC-G).
Turn-to-turn withstand voltage test:
Trial voltage: 0.3 ~ 3kVp continuously adjustabe
Test period: 0-999s continuously adjustabe
Respectively to stator winding A-B, A-C, B-C carry out turn-to-turn withstand voltage test.
High-voltage test:
Trial voltage: 0.3 ~ 3kV/AC continuously adjustabe.
Alarm current value: arbitrary value in 1 ~ 200mA
Test period: 1-9999s continuously adjustabe
Respectively to the withstand voltage test of stator winding to shell, i.e. (ABC-G) and high-voltage test, i.e. (AB-CG) between winding and winding, (BC-AG) and (AC-BG).
Electromagnetic steering: positive phase sequence or negative-phase sequence.
Three-phase current unbalance is tested:
Voltage range: 0-60VAC;
Range of current: 0-500A;
Measuring accuracy: 0.2%.
Test period: 1-99s, continuously adjustabe.
Claims (3)
1. a Multi-station full-automatic motor stator comprehensive test device, is characterized in that, comprises control system (1), test module (2), output switching unit (3) and at least one output station (4), wherein:
Test module (2) comprises direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11), electromagnetic steering test module (12) and testing current module (13), direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11), electromagnetic steering test module (12) and testing current module (13) connect the primary circuit of each output station (4) through output switching unit (3), by output switching unit (3) under the control of control system (1) by direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11), electromagnetic steering test module (12) and testing current module (13) switch between each output station (4), switch after putting in place, by direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11), electromagnetic steering test module (12) and testing current module (13) are tested under the control of control system (1), result after test is back to control system (1), simultaneously, the secondary circuit of each output station (4) is connected with control system (1), thus the control of controlled system (1).
2. a kind of Multi-station full-automatic motor stator comprehensive test device as claimed in claim 1, it is characterized in that, described control system (1) comprises display (5), industrial control computer (6) and programmable logic controller (PLC) (7), display (5) and programmable logic controller (PLC) (7) connect industrial control computer (6), industrial control computer (6) and described direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11), electromagnetic steering test module (12) and testing current module (13) are connected, programmable logic controller (PLC) (7) is connected with the secondary circuit of described output switching unit (3) and described output station (4).
3. a kind of Multi-station full-automatic motor stator comprehensive test device as claimed in claim 1, it is characterized in that, described output switching unit (3) comprises output switching module (16) summation current transformer (15), the input end of current transformer (15) is connected with described testing current module (13), its output terminal is connected with output switching module (16), described direct current resistance test module (8), megger test module (9), industrial frequency withstand voltage test module (10), turn-to-turn voltage-withstand test module (11) and electromagnetic steering test module (12) connect the input end of output switching module (16), the output terminal of output switching module (16) connects the primary circuit of each described output station (4), the control end of output switching module (16) connects described control system (1).
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Cited By (9)
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| CN105093046A (en) * | 2015-09-17 | 2015-11-25 | 上海电机系统节能工程技术研究中心有限公司 | Measurement and control device used for eddy current retarder delivery inspection |
| CN105699708A (en) * | 2016-02-16 | 2016-06-22 | 常州同惠电子股份有限公司 | Multifunctional test system for wire coiling assembly |
| CN106505806A (en) * | 2016-12-22 | 2017-03-15 | 珠海市精实测控技术有限公司 | Stator detection and assembling all-in-one |
| CN108398640A (en) * | 2018-05-09 | 2018-08-14 | 上海电机系统节能工程技术研究中心有限公司 | The Motor Production Test experiment detection device and working method of modularized design |
| CN108508362A (en) * | 2018-04-10 | 2018-09-07 | 青岛艾普智能仪器有限公司 | A kind of motor comprehensive test instrument device test module |
| CN109188270A (en) * | 2018-08-02 | 2019-01-11 | 沈阳工程学院 | A kind of main driving magneto performance test feedback system of electric airplane |
| CN111948535A (en) * | 2020-08-05 | 2020-11-17 | 吴江市金澜机械制造有限公司 | Motor stator performance test machine |
| CN112246681A (en) * | 2020-09-29 | 2021-01-22 | 珠海格力智能装备有限公司 | Detection data processing method and device and product detection equipment |
| CN113341252A (en) * | 2021-06-02 | 2021-09-03 | 启晗电力建设集团有限公司 | Electric power transmission and transformation equipment early warning method and device |
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| CN109188270A (en) * | 2018-08-02 | 2019-01-11 | 沈阳工程学院 | A kind of main driving magneto performance test feedback system of electric airplane |
| CN111948535A (en) * | 2020-08-05 | 2020-11-17 | 吴江市金澜机械制造有限公司 | Motor stator performance test machine |
| CN112246681A (en) * | 2020-09-29 | 2021-01-22 | 珠海格力智能装备有限公司 | Detection data processing method and device and product detection equipment |
| CN113341252A (en) * | 2021-06-02 | 2021-09-03 | 启晗电力建设集团有限公司 | Electric power transmission and transformation equipment early warning method and device |
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