CN106054074A - Washing machine motor safety check process - Google Patents
Washing machine motor safety check process Download PDFInfo
- Publication number
- CN106054074A CN106054074A CN201610461152.0A CN201610461152A CN106054074A CN 106054074 A CN106054074 A CN 106054074A CN 201610461152 A CN201610461152 A CN 201610461152A CN 106054074 A CN106054074 A CN 106054074A
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- China
- Prior art keywords
- motor
- voltage
- test
- check
- inspection
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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
Abstract
The invention discloses a washing machine motor safety check process, comprising the following steps: S1, appearance check; S2, single electrical strength check using a motor comprehensive test line: setting test voltage, current and test time, and observing whether the motor has a breakdown or flashover phenomenon during test; S3, low-voltage start check; S4, insulation resistance check; S5, turn-to-turn insulation check; S6, no-load current and power check; S7, secondary electrical strength check using a voltage withstanding tester: setting test voltage, current and test time, and observing whether the motor has a breakdown or flashover phenomenon during test; and S8, entering next production line if all the above steps are qualified, otherwise, entering a repair line. The washing machine motor safety check process is complete, the accuracy of the check result is high, and a washing machine using the motor checked by the process is high in safety and low in repair rate.
Description
Technical field
The present invention relates to motor for washer technical field, particularly relate to a kind of motor for washer safety inspection technique.
Background technology
The motor of washing machine is the important component part of washing machine, plays vital work in the parts of washing machine
With, the quality of its performance directly affects the quality of the security performance of washing machine, and the safety of user.So laundry electromechanics
The safety inspection of machine is requisite inspection project before washing machine dispatches from the factory.Nowadays washing machine production plant is for laundry electromechanics
The safety inspection of machine does not has complete inspection technique, checks more chaotic, and random and artificial property is relatively strong, causes testing result
With a low credibility, after it is used in washing machine, there is certain potential safety hazard, and washing machine is due to returning that motor performance causes
Repair rate higher.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of motor for washer safety proposed
Check technique.
A kind of motor for washer safety inspection technique, comprises the following steps:
S1: visual examination, check motor surface do not have obvious speckle, wrinkle, break, slight crack, corrosion phenomena, check lead-out wire side
To the most correct with end cap direction, check that earth lead is the most firm；
S2: electrical strength inspection, is connected on electric machine joint on motor comprehensive test line, and by function point analysis to electrical strength
Test, sets test voltage, electric current and testing time, starts testing button, observe motor in test process with or without puncturing or
Dodge the phenomenon ironed；
S3: low voltage starting inspection, is adjusted to low voltage starting item by the functional keys on motor comprehensive test line, and setting voltage is motor
The 35%～45% of rated voltage, starts testing button, and can observe motor start；
S4: insulation resistance inspection, is adjusted to insulation resistance item by the functional keys on motor comprehensive test line, set running voltage as
500V DC voltage, starts testing button, observes whether resistance value meets the requirements；
S5: turn-to-turn insulation inspection, is adjusted to turn-to-turn insulation item by the functional keys on motor comprehensive test line, arranges surge and is
1900V DC voltage, starts testing button, observes detection sample wave-form area and should be not less than the 40% of standard sample waveform area,
Voltage is risen to the 130% of rated voltage, retention time 1min again, observes whether motor works well；
S6: no-load current and the inspection of power, be adjusted to no-load current item by the functional keys on motor comprehensive test line, sets electricity
Pressure value is rated voltage, and arranges the scope of no-load current value according to product description, starts testing button, observes detection lamp and is
No report an error, according to same method of testing detection no-load power；
S7: secondary electrical strength checks, is connected on Hi-pot Tester by electric machine joint, and sets test voltage, electric current and test
Time, start testing button, observe motor in test process with or without puncturing or dodging the phenomenon ironed；
S8:S1～S7 step all meets the requirements, and it is qualified to be judged to, is sent to next production line, otherwise according to defective item
Deliver to reprocess accordingly line.
Preferably, in a described electrical strength inspection, test voltage is 2200V alternating current, and electric current is 3mA, the testing time
For 1s.
Preferably, in described insulation resistance inspection resistance value less than 100M Ω be then judged to qualified.
Preferably, in described secondary electrical strength inspection, test voltage is 1800V, and electric current is 3mA, and the testing time is 1s.
A kind of motor for washer safety inspection technique that the present invention proposes is complete, interrelated between each step in technique,
The security performance of collaborative evaluation motor, the safety inspection credible result degree making motor is high, and uses two kinds of different methods pair
Electrical strength checks, it is to avoid the decision error phenomenon that the error of inspection method causes occurs, and the accuracy making result is higher,
Ensure the safety of user, reduce the repair rate of product after dispatching from the factory.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
A kind of motor for washer safety inspection technique that the present invention proposes, comprises the following steps:
S1: visual examination, check motor surface do not have obvious speckle, wrinkle, break, slight crack, corrosion phenomena, check lead-out wire side
To the most correct with end cap direction, check that earth lead is the most firm；
S2: electrical strength inspection, is connected on electric machine joint on motor comprehensive test line, and by function point analysis to electrical strength
Test, sets test voltage as 2200V alternating current, and test electric current is 3mA, and the testing time is 1s, starts testing button, and observation is electric
Machine in test process with or without puncturing or dodging the phenomenon ironed；
S3: low voltage starting inspection, is adjusted to low voltage starting item by the functional keys on motor comprehensive test line, and setting voltage is motor
The 35%～45% of rated voltage, starts testing button, and can observe motor start；
S4: insulation resistance inspection, is adjusted to insulation resistance item by the functional keys on motor comprehensive test line, set running voltage as
500V DC voltage, starts testing button, and resistance value should be less than 100M Ω；
S5: turn-to-turn insulation inspection, is adjusted to turn-to-turn insulation item by the functional keys on motor comprehensive test line, arranges surge and is
1900V DC voltage, starts testing button, observes detection sample wave-form area and should be not less than the 40% of standard sample waveform area,
Voltage is risen to the 130% of rated voltage, retention time 1min again, observes whether motor works well；
S6: no-load current and the inspection of power, be adjusted to no-load current item by the functional keys on motor comprehensive test line, sets electricity
Pressure value is rated voltage, and arranges the scope of no-load current value according to product description, starts testing button, observes detection lamp and is
No report an error, according to same method of testing detection no-load power；
S7: secondary electrical strength checks, is connected on Hi-pot Tester by electric machine joint, and sets test voltage as 1800V, test
Electric current is 3mA, and the testing time is 1s, starts testing button, observes motor in test process with or without puncturing or dodging the phenomenon ironed；
S8:S1～S7 step all meets the requirements, and it is qualified to be judged to, is sent to next production line, otherwise according to defective item
Deliver to reprocess accordingly line.
A kind of motor for washer safety inspection technique that the present invention proposes is complete, interrelated between each step in technique,
The security performance of collaborative evaluation motor, the safety inspection credible result degree making motor is high, and uses two kinds of different methods pair
Electrical strength checks, it is to avoid the decision error phenomenon that the error of inspection method causes occurs, and the accuracy making result is higher,
Ensure the safety of user, reduce the repair rate of product after dispatching from the factory.
The above, the only 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 in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (4)
1. a motor for washer safety inspection technique, it is characterised in that comprise the following steps:
S1: visual examination, check motor surface do not have obvious speckle, wrinkle, break, slight crack, corrosion phenomena, check lead-out wire side
To the most correct with end cap direction, check that earth lead is the most firm；
S2: electrical strength inspection, is connected on electric machine joint on motor comprehensive test line, and by function point analysis to electrical strength
Test, sets test voltage, electric current and testing time, starts testing button, observe motor in test process with or without puncturing or
Dodge the phenomenon ironed；
S3: low voltage starting inspection, is adjusted to low voltage starting item by the functional keys on motor comprehensive test line, and setting voltage is motor
The 35%～45% of rated voltage, starts testing button, and can observe motor start；
S4: insulation resistance inspection, is adjusted to insulation resistance item by the functional keys on motor comprehensive test line, set running voltage as
500V DC voltage, starts testing button, observes whether resistance value meets the requirements；
S5: turn-to-turn insulation inspection, is adjusted to turn-to-turn insulation item by the functional keys on motor comprehensive test line, arranges surge and is
1900V DC voltage, starts testing button, observes detection sample wave-form area and should be not less than the 40% of standard sample waveform area,
Voltage is risen to the 130% of rated voltage, retention time 1min again, observes whether motor works well；
S6: no-load current and the inspection of power, be adjusted to no-load current item by the functional keys on motor comprehensive test line, sets electricity
Pressure value is rated voltage, and arranges the scope of no-load current value according to product description, starts testing button, observes detection lamp and is
No report an error, according to same method of testing detection no-load power；
S7: secondary electrical strength checks, is connected on Hi-pot Tester by electric machine joint, and sets test voltage, electric current and test
Time, start testing button, observe motor in test process with or without puncturing or dodging the phenomenon ironed；
S8:S1～S7 step all meets the requirements, and it is qualified to be judged to, is sent to next production line, otherwise according to defective item
Deliver to reprocess accordingly line.
A kind of motor for washer safety inspection technique the most according to claim 1, it is characterised in that described once the strongest
During degree checks, test voltage is 2200V alternating current, and electric current is 3mA, and the testing time is 1s.
A kind of motor for washer safety inspection technique the most according to claim 1, it is characterised in that described insulation resistance is examined
Look into middle resistance value less than 100M Ω be then judged to qualified.
A kind of motor for washer safety inspection technique the most according to claim 1, it is characterised in that described secondary is the strongest
During degree checks, test voltage is 1800V, and electric current is 3mA, and the testing time is 1s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461152.0A CN106054074A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor safety check process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461152.0A CN106054074A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor safety check process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106054074A true CN106054074A (en) | 2016-10-26 |
Family
ID=57168109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610461152.0A Pending CN106054074A (en) | 2016-06-23 | 2016-06-23 | Washing machine motor safety check process |
Country Status (1)
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| CN (1) | CN106054074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501642A (en) * | 2019-09-25 | 2019-11-26 | 常州市海克拉尔电气有限公司 | Automatic intelligent comprehensive tester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402015A (en) * | 2002-09-13 | 2003-03-12 | 西安交通大学 | Method and device for diagnosis of insulation ageing of electric machine based on small wave conversion |
| CN1488951A (en) * | 2003-09-05 | 2004-04-14 | 西安福润德电子科技有限公司 | Intelligent AC-DC withstand voltage test apparatus |
| KR101228386B1 (en) * | 2009-10-16 | 2013-01-31 | 한성전공(주) | System for monitoring insulation condition of electric motors |
| CN203117372U (en) * | 2013-03-29 | 2013-08-07 | 陕西厚普科技发展有限公司 | High-voltage motor insulation monitoring module |
| 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 |
| CN205003259U (en) * | 2015-09-14 | 2016-01-27 | 厦门达真电机有限公司 | Motor characteristic comprehensive testing equipment |
-
2016
- 2016-06-23 CN CN201610461152.0A patent/CN106054074A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402015A (en) * | 2002-09-13 | 2003-03-12 | 西安交通大学 | Method and device for diagnosis of insulation ageing of electric machine based on small wave conversion |
| CN1488951A (en) * | 2003-09-05 | 2004-04-14 | 西安福润德电子科技有限公司 | Intelligent AC-DC withstand voltage test apparatus |
| KR101228386B1 (en) * | 2009-10-16 | 2013-01-31 | 한성전공(주) | System for monitoring insulation condition of electric motors |
| CN203117372U (en) * | 2013-03-29 | 2013-08-07 | 陕西厚普科技发展有限公司 | High-voltage motor insulation monitoring module |
| 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 |
| CN205003259U (en) * | 2015-09-14 | 2016-01-27 | 厦门达真电机有限公司 | Motor characteristic comprehensive testing equipment |
Non-Patent Citations (5)
| Title |
|---|
| 叶纲: "《家用洗衣机产品质量检验》", 31 December 2011, 中国质检出版社 * |
| 吴国平: "《家用电器检验技术》", 31 December 2000, 中国标准出版社 * |
| 周慧 等: "《电动机修理工》", 31 October 2013, 中国农业出版社 * |
| 杨启华 等: "《电冰箱与冰柜》", 28 February 2001, 科学出版社 * |
| 胡虔生 等: "《电机学》", 30 November 2011, 中国电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501642A (en) * | 2019-09-25 | 2019-11-26 | 常州市海克拉尔电气有限公司 | Automatic intelligent comprehensive tester |
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Application publication date: 20161026 |
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