CN203217023U - Motor and transformer microcomputer integration test stand - Google Patents

Motor and transformer microcomputer integration test stand Download PDF

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Publication number
CN203217023U
CN203217023U CN 201320269283 CN201320269283U CN203217023U CN 203217023 U CN203217023 U CN 203217023U CN 201320269283 CN201320269283 CN 201320269283 CN 201320269283 U CN201320269283 U CN 201320269283U CN 203217023 U CN203217023 U CN 203217023U
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CN
China
Prior art keywords
test
transformer
microcomputer
motor
control cabinet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320269283
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Chinese (zh)
Inventor
国际平
张文瑞
张孝芳
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HARBIN GUOLI ELECTRIC CO Ltd
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HARBIN GUOLI ELECTRIC CO Ltd
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Filing date
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Priority to CN 201320269283 priority Critical patent/CN203217023U/en
Application granted granted Critical
Publication of CN203217023U publication Critical patent/CN203217023U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a motor and transformer microcomputer integration test stand. The motor and transformer microcomputer integration test stand comprises a microcomputer test operation stand, a test control cabinet, a three-phase induction voltage regulator and a withstand voltage test transformer, wherein the test control cabinet is connected with the three-phase induction voltage regulator, the microcomputer test operation stand comprises a casing, the casing is internally equipped with a switching value acquisition circuit, an analog quantity acquisition circuit, a DSP data acquisition unit, an embedded industrial computer, a PLC (programmable controller), an insulation resistor tester, a direct current resistor tester, a man-machine interaction unit and an I/O isolation relay, the test control cabinet comprises a test power source output unit and a U/I converter. The motor and transformer microcomputer integration test stand has functions of intelligent control and measuring, automatically completes functions of test data acquisition, calculating, storage and historical report check, automatic formation of a test report and printing, simplifies a tedious wiring process in a test, effectively improves work efficiency and reduces an error ratio in the test.

Description

Motor, transformer microcomputer multi-function test stand
Technical field
The utility model relates to a kind of motor, transformer microcomputer multi-function test stand.
Background technology
In Coal Production, because motor, transformer is the key equipment of Coal Production, the down-hole is because work under bad environment, change motor, the time of transformer is longer, have a strong impact on ordinary production, so motor, the damage of transformer often causes very large economy loss, because present motor, in the using and keep in repair of transformer, it is comparatively backward to lack perfect quality testing means or detection means, still adopts the test of discrete component line, manually copies test record, have a strong impact on its work efficiency and increase the error rate of testing, cause the bum motor of part to drop into the down-hole and use, the very fast damage that has, even scrap fully.Therefore set up safe and reliable intelligent motor, the transformer test platform of a cover, improve the reliability of motor, transformer work, reduce production costs, ensure that the mine safety economical production is imperative.
Summary of the invention
The purpose of this utility model is to provide a kind of motor, transformer microcomputer multi-function test stand, be a kind of colliery motor, intelligent transformer test detecting equipment of being applied to, system is combined into a cover intelligent operating system by equipment such as computer operation testing table, test control cabinet, three-phase induction regulator, withstand voltage test transformers, functions such as automatic control operation, test figure are recorded automatically, stored, printing are carried out in realization to test load, improve reliability and the work efficiency of test.
The purpose of this utility model is achieved in that a kind of motor, transformer microcomputer multi-function test stand, comprise microcomputer test operation platform, test control cabinet, three-phase induction regulator and withstand voltage test transformer, test control cabinet is connected with three-phase induction regulator, described microcomputer test operation platform comprises housing, and switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Programmable Logic Controller PLC, Insulation Resistance Tester, instrument for measuring DC resistance, man-machine interaction unit and I/O disconnecting relay are housed in the housing; Test control cabinet comprises experiment power supply output unit and U/I transducer, test control cabinet respectively with the switch acquisition circuit, the analog acquisition circuit connects, the switch acquisition circuit, the analog acquisition circuit is connected with the DSP data acquisition unit respectively, the DSP data acquisition unit is connected with embedded industrial computer, embedded industrial computer respectively with Programmable Logic Controller PLC, Insulation Resistance Tester, instrument for measuring DC resistance, man-machine interaction unit connects, Programmable Logic Controller PLC is connected with the I/O disconnecting relay, the I/O disconnecting relay respectively with test control cabinet, the withstand voltage test transformer connects.
The utility model also has following feature:
1, described three-phase induction regulator provides the adjustable ac source of AC0 ~ 1200V for test load.
2, described withstand voltage test transformer provides the required alternating voltage of 0 ~ 20KV AC voltage withstand test and the required DC voltage of 0 ~ 28KV DC voltage withstand test for test load.
The beneficial effects of the utility model have:
The utlity model has Based Intelligent Control and measurement function, process of the test has realized operation and the management of computing machine, automatically functions such as test report, printing are checked, formed automatically to collection, calculating, storage, the historical report of finishing test figure, simplified the loaded down with trivial details wiring process of testing, effectively raise work efficiency, reduced the error rate in the test, test report is carried out reasonable standard output file, consult the test load that historical report can be convenient to same model, same parameter fast and carry out comparison of test results.Operation circuit (DC24V) is isolated fully with control loop (AC220V), guarantees personal safety.Experimental facilities and payload security are guaranteed in the experiment power supply upper limit, lower limit and zero-bit locking.Software, electric, mechanical multiple locking prevent operating personnel's maloperation.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is voltage signal sampling theorem figure of the present utility model;
Fig. 3 is current signal sampling theorem figure of the present utility model;
Fig. 4 is switching value signal principle figure of the present utility model;
Wherein, 1, three-phase induction regulator, 2, experiment power supply output unit, 3, U/I transducer, 4, the withstand voltage test transformer, 5, the I/O disconnecting relay, 6, programmable controller PLC, 7, instrument for measuring DC resistance, 8, Insulation Resistance Tester, 9, man-machine interaction unit, 10, switching value passage, 11, analog quantity channel, 12, the DSP data acquisition unit, 13, embedded industrial computer.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Embodiment 1
As shown in Figure 1, a kind of EMT-2 type motor, transformer microcomputer multi-function test stand, comprise microcomputer test operation platform, test control cabinet, three-phase induction regulator and withstand voltage test transformer, microcomputer test operation platform connects test control cabinet and withstand voltage test transformer, and test control cabinet connects three-phase induction regulator; Described microcomputer test operation platform comprises housing, switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Siemens's Programmable Logic Controller (PLC), Insulation Resistance Tester, instrument for measuring DC resistance and I/O disconnecting relay are installed in the housing, and various relevant fault-tolerant switching signals, the experiment power supply upper limit, lower limit and zero-bit block signal have been inserted; Described test control cabinet moulds that shell opens circuit, A.C. contactor, current transformer; Described three-phase induction regulator provides the adjustable ac source of AC0 ~ 1200V for test load; Described testing transformer provides the required alternating voltage of 0 ~ 20KV AC voltage withstand test and the required DC voltage of 0 ~ 28KV DC voltage withstand test for test load; The switching value passage is connected with the DSP data acquisition unit respectively with analog quantity channel, the DSP data acquisition unit connects Data Management Unit, and Data Management Unit is connected with man-machine interface with Insulation Resistance Tester, instrument for measuring DC resistance, Programmable Logic Controller PLC respectively.The three-phase induction regulator type is oil immersed type, and the input power supply is AC380V, and output voltage is AC0-1200V, and output rating is 200KVA, and dielectric strength reaches AC5000V; Withstand voltage test transformer type is oil immersed type (or dry type), and the input power supply is AC220V, and the power frequency output voltage is 50KV, and VD is 70KV, and rated power is 5KVA; The Insulation Resistance Tester measurement range is between 0 ~ 1000G Ω, and the test rated voltage is 500V/1000V/2500V/5000V, and accuracy reaches ± 5%rdg ± 3%dgt; ± 20% (more than the 100G Ω), ac voltage measurement is 30 ~ 600V, and accuracy guarantees that temperature humidity range is 23 ± 5 ℃, and relative humidity is below 85%, and no dewfall, working power are DC12V, and working temperature is 0 ~ 40 ℃, and relative humidity is below 85%, no dewfall; The instrument for measuring DC resistance phenotype is 4 1/2 LED giant-screen digital displays, and measurement range is between 0~200K Ω, and Gong Hao ≦ 20VA, power supply are AC220V ± 10%; Digital displaying meter is three-phase voltage table/three-phase current table/three-phase power meter/single-phase AC voltage table/tachometer gage, phenotype is 4 1/2 LED giant-screen digital displays, precision reaches 0.5 grade, maximum is shown as-9999 ~ 9999, working power is Gong Hao ≦ 4VA between AC80V ~ 270V, and working environment is-10~55 ℃; 93%RH, no dewfall; The analog acquisition frequency of intelligent analog quantity collecting unit is 5K, A/D resolution is 14, the simulating signal input range is that the three-phase regulator output voltage is between 0 ~ 150V, the three-phase regulator output current is between 0 ~ 20A, transformation ratio is measured low-pressure side voltage between 0-300V, rotor open circuit measuring voltage is between 0 ~ 1000V, withstand voltage test low-pressure side voltage is between 0 ~ 300V, the withstand voltage test high side voltage is between 0 ~ 150V, working power is AC220V ± 10% Gong Hao ≦ 4VA, and working environment is-10~55 ℃; 93%RH, no dewfall.
Embodiment 2
Principle of work
Transformer, the unloaded short circuit of motor (stall) test: by the man-machine interface above the test operation platform or the manual test button of three-phase regulator (the man-machine interface operating software enters unloaded short-circuit test interface), to the A.C. contactor in the switch board close, separating brake control, finish the output regulatory function of stopping sending electric work energy and three-phase supply of three-phase regulator, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.Control principle sees three-phase induction regulator test control principle for details.
Transformer, the withstand voltage test of motor alternating current-direct current: by the man-machine interface above the test operation platform or withstand voltage manual test button (the man-machine interface operating software enters the withstand voltage test interface), stop sending electricity and test output control to pressure-resistant tester, when the withstand voltage end of 1min, automatically stop test output and send the prompting of off-test audible and visual alarm, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.Control principle sees the withstand voltage test control principle for details.
Transformer, motor direct current resistance are measured test: by the man-machine interface above the test operation platform, enter direct current resistance and measure the test interface, select corresponding testing range, tested load direct current resistance is measured, monitors, stores, printed.
Transformer, motor insulation measurement test: by the man-machine interface above the test operation platform, enter insulation measurement test interface, select the required voltage range of megger test, tested load insulation resistance is measured, monitors, stores, printed.
The motor rotor open circuit is measured test: by the man-machine interface above the test operation platform or the manual test button of three-phase regulator, to the A.C. contactor in the switch board close, separating brake control, finish the output regulatory function of stopping sending electric work energy and three-phase supply of three-phase regulator, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.Control principle sees three-phase induction regulator test control principle for details.
The group of transformer, polarity, transformation voltage ratio test: by the man-machine interface above the test operation platform or the manual test button of three-phase regulator (the man-machine interface operating software enters group, polarity, transformation voltage ratio test interface), to the A.C. contactor in the switch board close, separating brake control, finish the output regulatory function of stopping sending electric work energy and three-phase supply of three-phase regulator, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.Control principle sees three-phase induction regulator test control principle for details.
Embodiment 3
Testing table is formed: be made up of major equipments such as microcomputer test operation platform, test control cabinet, three-phase induction regulator, testing transformers:
1, microcomputer test operation platform, by intelligent acquisition control module and Siemens's Programmable Logic Controller (PLC), Insulation Resistance Tester, instrument for measuring DC resistance, communication is controlled, is operated, and operating process is simple and convenient, has realized the intellectuality of electrical test.And inserted various relevant fault-tolerant switching signals, and the experiment power supply upper limit, lower limit and zero-bit block signal have guaranteed accuracy and the reliability tested, the intelligence operation control system can realize generating automatically functions such as test report, storage, printing simultaneously.
2, test control cabinet: elements such as shell opens circuit by moulding, A.C. contactor, current transformer are formed, be the connection device between computer console and the three-phase induction regulator, can test functions such as control, data acquisition to three-phase induction regulator by high-tension switch cabinet.
3, three-phase induction regulator: the adjustable ac source that AC0 ~ 1200V is provided for test load.
4, testing transformer: for test load provides the required alternating voltage of 0 ~ 20KV AC voltage withstand test and the required DC voltage of 0 ~ 28KV DC voltage withstand test.
Embodiment 4
Motor, transformer microcomputer multi-function test stand job step are as follows:
Communicate by letter with Siemens Programmable Logic Controller (PLC) by the intelligent acquisition control module on the computer console and to control, to operate, select test function to be measured by the computer console man-machine interface, be combined into a cover test macro by equipment such as computer console, high-tension switch cabinet, three-phase induction regulator, withstand voltage test transformers, test load is operated control, by man-machine interface to test figure monitor in real time, record automatically, store, function such as printing.
Test procedure: open automatic control power supply, the intelligent acquisition control module moves " motor, transformer test program " automatically, and the device type in tabulation is selected " motor ", clicks " next step ", in the selective listing " no-load test ".Test cable is connected tested motor, press " three-phase regulator switch knob " three-phase regulator and close a floodgate, corresponding combined floodgate pilot lamp is bright, and three-phase regulator closes a floodgate successfully.Regulate three-phase regulator stator winding voltage is descended since 1.1 ~ 1.3 times of rated voltages, measure no-load current and unloaded power input under the different voltages, select in 7 ~ 9 groups of data recording printed report.Select " printing " button of lower right corner after the off-test, print the test report or the selection that generate automatically and " withdraw from " the button end and preserve test.
The beneficial effects of the utility model have:
Testing table has Based Intelligent Control and measurement function, process of the test has realized operation and the management of computing machine, automatically functions such as test report, printing are checked, formed automatically to collection, calculating, storage, the historical report of finishing test figure, with other GENERAL TYPE testing table simplified in comparison test loaded down with trivial details wiring process, effectively raise work efficiency, reduced the error rate in the test, test report is carried out reasonable standard output file, consult the test load that historical report can be convenient to same model, same parameter fast and carry out comparison of test results.The whole operation process is to be communicated by letter with Siemens Programmable Logic Controller (PLC) by the intelligent acquisition control system with controlling, operate, and operation circuit (DC24V) is isolated fully with control loop (AC220V), guarantees personal safety.Experimental facilities and payload security are guaranteed in the experiment power supply upper limit, lower limit and zero-bit locking.Software, electric, mechanical multiple locking prevent operating personnel's maloperation.

Claims (3)

1. a motor, transformer microcomputer multi-function test stand, comprise microcomputer test operation platform, test control cabinet, three-phase induction regulator and withstand voltage test transformer, test control cabinet is connected with three-phase induction regulator, described microcomputer test operation platform comprises housing, it is characterized in that: switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Programmable Logic Controller PLC, Insulation Resistance Tester, instrument for measuring DC resistance, man-machine interaction unit and I/O disconnecting relay are housed in the housing; Test control cabinet comprises experiment power supply output unit and U/I transducer, test control cabinet respectively with the switch acquisition circuit, the analog acquisition circuit connects, the switch acquisition circuit, the analog acquisition circuit is connected with the DSP data acquisition unit respectively, the DSP data acquisition unit is connected with embedded industrial computer, embedded industrial computer respectively with Programmable Logic Controller PLC, Insulation Resistance Tester, instrument for measuring DC resistance, man-machine interaction unit connects, Programmable Logic Controller PLC is connected with the I/O disconnecting relay, the I/O disconnecting relay respectively with test control cabinet, the withstand voltage test transformer connects.
2. a kind of motor according to claim 1, transformer microcomputer multi-function test stand, it is characterized in that: described three-phase induction regulator provides the adjustable ac source of AC0 ~ 1200V for test load.
3. a kind of motor according to claim 1, transformer microcomputer multi-function test stand, it is characterized in that: described withstand voltage test transformer provides the required alternating voltage of 0 ~ 20KV AC voltage withstand test and the required DC voltage of 0 ~ 28KV DC voltage withstand test for test load.
CN 201320269283 2013-05-17 2013-05-17 Motor and transformer microcomputer integration test stand Expired - Fee Related CN203217023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320269283 CN203217023U (en) 2013-05-17 2013-05-17 Motor and transformer microcomputer integration test stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320269283 CN203217023U (en) 2013-05-17 2013-05-17 Motor and transformer microcomputer integration test stand

Publications (1)

Publication Number Publication Date
CN203217023U true CN203217023U (en) 2013-09-25

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CN 201320269283 Expired - Fee Related CN203217023U (en) 2013-05-17 2013-05-17 Motor and transformer microcomputer integration test stand

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407289A (en) * 2014-09-15 2015-03-11 南京梅山冶金发展有限公司 Remote high-voltage motor insulation testing device and control system thereof
CN105004995A (en) * 2015-06-25 2015-10-28 中广核核电运营有限公司 Nuclear power plant main pump motor test system and test method thereof
CN105182117A (en) * 2015-08-27 2015-12-23 广西电网有限责任公司电力科学研究院 DC integrated test platform
CN105606922A (en) * 2015-12-18 2016-05-25 常熟理工学院 Multi-frequency-converter aging test method and system based on LabVIEW

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407289A (en) * 2014-09-15 2015-03-11 南京梅山冶金发展有限公司 Remote high-voltage motor insulation testing device and control system thereof
CN105004995A (en) * 2015-06-25 2015-10-28 中广核核电运营有限公司 Nuclear power plant main pump motor test system and test method thereof
CN105004995B (en) * 2015-06-25 2017-11-17 中广核核电运营有限公司 Nuclear power station main pump Motor-Testing System and its test method
CN105182117A (en) * 2015-08-27 2015-12-23 广西电网有限责任公司电力科学研究院 DC integrated test platform
CN105182117B (en) * 2015-08-27 2018-05-11 广西电网有限责任公司电力科学研究院 A kind of direct current comprehensive test platform
CN105606922A (en) * 2015-12-18 2016-05-25 常熟理工学院 Multi-frequency-converter aging test method and system based on LabVIEW

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20140517