CN105974314A - Washing machine motor detection technology - Google Patents
Washing machine motor detection technology Download PDFInfo
- Publication number
- CN105974314A CN105974314A CN201610461882.0A CN201610461882A CN105974314A CN 105974314 A CN105974314 A CN 105974314A CN 201610461882 A CN201610461882 A CN 201610461882A CN 105974314 A CN105974314 A CN 105974314A
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- Prior art keywords
- motor
- test
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- value
- motors
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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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 washing machine motor detection technology. The washing machine motor detection technology comprises steps that S1, a to-be-test motor is flatly laid on a test stand for detection; S2, mechanical check on the motor is carried out; S3, a DC resistor of the motor is detected; S4, loop insulation of the motor is detected; S5, zero load test on the motor is carried out; S6, high voltage resistance test on the motor is carried out; S7, insulation resistance test on the motor is carried out; S8, detection on the whole motor is accomplished after S2-S7. The washing machine motor detection technology is advantaged in that the technology is complete, performance determination of motors is accurate, performance of the motors is comprehensively determined through detection on multiple items, a problem of errors of determination about the motors can be avoided, the motors are guaranteed to have excellent performance before use, safety performance of products is improved, maintenance frequency and a reworking rate of the products are reduced, unqualified items of unqualified motors can be accurately recorded, and maintenance of the unqualified motors is made to be convenient.
Description
Technical field
The present invention relates to technical field of motors, particularly relate to a kind of motor for washer characterization processes.
Background technology
In washing machine, the quality of motor directly affects the total quality of washing machine, if defective Motor Production Test uses on washing machine, the frequency of maintenance that can make washing machine improves, return factory's frequency to increase, both the capital destruction of intermediate link had been increased, also can reduce consumer's satisfaction to product, the credit worthiness of brand also can be the most impaired.Sometimes the security performance that the motor that performance is low also can make washing machine overall reduces, and there is certain potential safety hazard, the most also can cause the generation of fire.The existing detection for motor for washer is only through the detection of main project, and characterization processes is the most perfect, and the judgement to motor performance is not accurate enough, and the situation often resulting in erroneous judgement occurs.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of motor for washer characterization processes proposed.
A kind of motor for washer characterization processes, comprises the following steps:
S1: lain in by testing of electric motors on testboard, waits to be detected；
S2: motor is carried out mechanical verification, stretches height including axle, whether wire length, axial gap meet the requirements, and freely rotatable or energising rotation has noiselessness；
S3: the D.C. resistance of motor is detected, the knob of universal meter is rotated on " Ω " shelves, and the test pencil of universal meter is connected on the wire of motor, motor is carried out the measurement of resistance value, and by compared with the resistance value of motor process parameter list corresponding with tested motor model for result, whether the DC resistance of detection motor meets the requirements；
S4: detect the turn-to-turn insulation of motor, will be received on turn insulation detector by measured motor, and arranging shock wave voltage is 2100V, observe whether motor decay waveform meets regulation with sample wave-form area discrepancy value；
S5: motor is carried out no load test, power, electric current and the value of rotating speed when making power consumption parameter instrument detect empty load of motor, and by experimental result compared with the data of motor process parameter list, whether the detection no-load power of motor, electric current and rotating speed meet the requirements；
S6: motor carries out high pressure resistant test, uses high voltage testing device to apply 2000V sinusoidal ac between winding and motor casing, and leakage current is 5mA, keeps 1s, observes phenomenon, it is determined that test result, and records test result；
S7: motor is carried out megger test, is chosen as the gear of megger 500V, and uses megger to detect the value of cold insulation resistance, record test result；
S8: step S2～S7 are all completed the characterization processes i.e. completing whole motor.
Preferably, described turn-to-turn insulation criterion of acceptability is for when bearing 2100V shock wave voltage, and decay waveform should be not more than 10% with the difference value of sample wave-form area.
Preferably, in the high pressure resistant test of described motor, criterion of acceptability is not puncture and dodge the phenomenon ironed.
Preferably, in the megger test of described motor the value of motor cold insulation resistance not less than 200M Ω be then judged to qualified.
The electric machines test perfect technology that the present invention proposes, accurate to the performance judgment of motor, by the mechanical performance to motor, resistance value, turn-to-turn insulation, no-load power, electric current and rotating speed and high pressure resistant and insulation resistance value are tested, the performance of synthetic determination motor, avoid the occurrence of the situation of motor decision error, ensure motor excellent performance before use, the security performance of improving product, reduce the frequency of maintenance of product and return factory and lead, and can also the defective item of the defective motor of accurate recording, facilitate the maintenance of defective motor.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
A kind of motor for washer characterization processes that the present invention proposes, comprises the following steps:
S1: lain in by testing of electric motors on testboard, waits to be detected；
S2: motor is carried out mechanical verification, stretches height including axle, whether wire length, axial gap meet the requirements, and freely rotatable or energising rotation has noiselessness；
S3: the D.C. resistance of motor is detected, the knob of universal meter is rotated on " Ω " shelves, and the test pencil of universal meter is connected on the wire of motor, motor is carried out the measurement of resistance value, and by compared with the resistance value of motor process parameter list corresponding with tested motor model for result, whether the DC resistance of detection motor meets the requirements；
S4: detect the turn-to-turn insulation of motor, will be received on turn insulation detector by measured motor, and arranging shock wave voltage is 2100V, observe whether motor decay waveform meets regulation with sample wave-form area discrepancy value；
S5: motor is carried out no load test, power, electric current and the value of rotating speed when making power consumption parameter instrument detect empty load of motor, and by experimental result compared with the data of motor process parameter list, whether the detection no-load power of motor, electric current and rotating speed meet the requirements；
S6: motor carries out high pressure resistant test, uses high voltage testing device to apply 2000V sinusoidal ac between winding and motor casing, and leakage current is 5mA, keeps 1s, observes phenomenon, it is determined that test result, and records test result；
S7: motor is carried out megger test, is chosen as the gear of megger 500V, and uses megger to detect the value of cold insulation resistance, record test result；
S8: step S2～S7 are all completed the characterization processes i.e. completing whole motor.
In the present invention, described turn-to-turn insulation criterion of acceptability is for when bearing 2100V shock wave voltage, and decay waveform should be not more than 10% with the difference value of sample wave-form area.
In the present invention, in the high pressure resistant test of described motor, criterion of acceptability is not puncture and dodge the phenomenon ironed.
In the present invention, in the megger test of described motor the value of motor cold insulation resistance not less than 200M Ω be then judged to qualified.
The electric machines test perfect technology that the present invention proposes, accurate to the performance judgment of motor, by the mechanical performance to motor, resistance value, turn-to-turn insulation, no-load power, electric current and rotating speed and high pressure resistant and insulation resistance value are tested, the performance of synthetic determination motor, avoid the occurrence of the situation of motor decision error, ensure motor excellent performance before use, the security performance of improving product, reduce the frequency of maintenance of product and return factory and lead, and can also the defective item of the defective motor of accurate recording, facilitate the maintenance of defective motor.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; according to technical scheme and inventive concept equivalent or change in addition thereof, all should contain within protection scope of the present invention.
Claims (4)
1. a motor for washer characterization processes, it is characterised in that comprise the following steps:
S1: lain in by testing of electric motors on testboard, waits to be detected；
S2: motor is carried out mechanical verification, stretches height including axle, whether wire length, axial gap meet the requirements, and freely rotatable or energising rotation has noiselessness；
S3: the D.C. resistance of motor is detected, the knob of universal meter is rotated on " Ω " shelves, and the test pencil of universal meter is connected on the wire of motor, motor is carried out the measurement of resistance value, and by compared with the resistance value of motor process parameter list corresponding with tested motor model for result, whether the DC resistance of detection motor meets the requirements；
S4: detect the turn-to-turn insulation of motor, will be received on turn insulation detector by measured motor, and arranging shock wave voltage is 2100V, observe whether motor decay waveform meets regulation with sample wave-form area discrepancy value；
S5: motor is carried out no load test, power, electric current and the value of rotating speed when making power consumption parameter instrument detect empty load of motor, and by experimental result compared with the data of motor process parameter list, whether the detection no-load power of motor, electric current and rotating speed meet the requirements；
S6: motor carries out high pressure resistant test, uses high voltage testing device to apply 2000V sinusoidal ac between winding and motor casing, and leakage current is 5mA, keeps 1s, observes phenomenon, it is determined that test result, and records test result；
S7: motor is carried out megger test, is chosen as the gear of megger 500V, and uses megger to detect the value of cold insulation resistance, record test result；
S8: step S2～S7 are all completed the characterization processes i.e. completing whole motor.
A kind of motor for washer characterization processes the most according to claim 1, it is characterised in that described turn-to-turn insulation criterion of acceptability is for when bearing 2100V shock wave voltage, and decay waveform should be not more than 10% with the difference value of sample wave-form area.
A kind of motor for washer characterization processes the most according to claim 1, it is characterised in that in the high pressure resistant test of described motor, criterion of acceptability is not puncture and dodge the phenomenon ironed.
A kind of motor for washer characterization processes the most according to claim 1, it is characterised in that in the megger test of described motor the value of motor cold insulation resistance be then judged to not less than 200M Ω qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461882.0A CN105974314A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor detection technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461882.0A CN105974314A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor detection technology |
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| Publication Number | Publication Date |
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| CN105974314A true CN105974314A (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610461882.0A Pending CN105974314A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor detection technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051698A (en) * | 2017-11-08 | 2018-05-18 | 国家电网公司 | Coil turn-to-turn insulation failure detection method, apparatus and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953040Y (en) * | 2006-04-20 | 2007-09-26 | 青岛艾诺电子仪器有限公司 | Turn-to-turn compact resistance voltage testing instrument |
| CN202404214U (en) * | 2011-12-13 | 2012-08-29 | 青岛三利中德美水设备有限公司 | Integrated full-automatic motor delivery comprehensive tester |
| CN102721903A (en) * | 2012-05-08 | 2012-10-10 | 河北省电力研究院 | Device and method for detecting turn-to-turn insulation failure of rotor winding of generator |
| KR101228386B1 (en) * | 2009-10-16 | 2013-01-31 | 한성전공(주) | System for monitoring insulation condition of electric motors |
| CN203405555U (en) * | 2013-08-21 | 2014-01-22 | 无锡新大力电机有限公司 | Vehicle motor test and experiment system |
| CN203720325U (en) * | 2013-12-30 | 2014-07-16 | 珠海凯邦电机制造有限公司 | Intelligent comprehensive detection device used for motor performance |
-
2016
- 2016-06-23 CN CN201610461882.0A patent/CN105974314A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953040Y (en) * | 2006-04-20 | 2007-09-26 | 青岛艾诺电子仪器有限公司 | Turn-to-turn compact resistance voltage testing instrument |
| KR101228386B1 (en) * | 2009-10-16 | 2013-01-31 | 한성전공(주) | System for monitoring insulation condition of electric motors |
| CN202404214U (en) * | 2011-12-13 | 2012-08-29 | 青岛三利中德美水设备有限公司 | Integrated full-automatic motor delivery comprehensive tester |
| CN102721903A (en) * | 2012-05-08 | 2012-10-10 | 河北省电力研究院 | Device and method for detecting turn-to-turn insulation failure of rotor winding of generator |
| CN203405555U (en) * | 2013-08-21 | 2014-01-22 | 无锡新大力电机有限公司 | Vehicle motor test and experiment system |
| CN203720325U (en) * | 2013-12-30 | 2014-07-16 | 珠海凯邦电机制造有限公司 | Intelligent comprehensive detection device used for motor performance |
Non-Patent Citations (2)
| Title |
|---|
| 中国电机工程学会城市供电专业委员会: "《供用电工人技能手册 电气试验》", 30 September 2008 * |
| 孟兆生 等: "《电机和变压器的控制与维修问答》", 31 January 2006 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051698A (en) * | 2017-11-08 | 2018-05-18 | 国家电网公司 | Coil turn-to-turn insulation failure detection method, apparatus and system |
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Application publication date: 20160928 |
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