CN106680717B - Rotor comprehensive test board and corresponding test method thereof - Google Patents
Rotor comprehensive test board and corresponding test method thereof Download PDFInfo
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- CN106680717B CN106680717B CN201710079566.1A CN201710079566A CN106680717B CN 106680717 B CN106680717 B CN 106680717B CN 201710079566 A CN201710079566 A CN 201710079566A CN 106680717 B CN106680717 B CN 106680717B
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- rotor
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- mandrel
- rotating shaft
- driving rotating
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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
- G01R31/346—Testing of armature or field windings
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- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a rotor comprehensive test board which not only can detect the accuracy of the insertion direction of magnetic steel, but also can effectively monitor the space position of the magnetic steel in a rotor and the influence of the magnetizing quantity of the magnetic steel on the space magnetic field of the rotor, thereby ensuring the stability of the comprehensive performance of the rotor assembled to a motor and ensuring the quality of a finished motor. The testing tool comprises a testing tool table and a testing control cabinet, wherein the testing control cabinet comprises a waveform display structure, a space magnetic field scanning device is arranged on the testing control cabinet, the testing tool table comprises a frame, a rotor supporting frame and a rotor driving rotating shaft frame are arranged on the upper end face of the frame, the rotor supporting frame and the rotor driving rotating shaft frame are respectively positioned on two sides of the upper end face of the frame, a rotor supporting bracket is used for supporting a mandrel with a rotor installed, the rotor driving rotating shaft frame supports a rotor driving rotating shaft, and the rotor driving rotating shaft is connected with the output end of a rotating motor.
Description
Technical Field
The invention relates to the technical field of motor rotor testing, in particular to a rotor comprehensive test board, and further provides a comprehensive test method of a rotor.
Background
A permanent magnet synchronous motor is a synchronous motor, a rotor of the permanent magnet synchronous motor is provided with a ferromagnetic magnet (magnetic steel), and the performance of the rotor magnetic field directly influences the performance of the motor rotor, so that the performance of the motor is influenced. The existing rotor testing means can only test the accuracy of the inserting direction of the magnetic steel, and cannot detect the intensity distribution of the magnetic field space of the magnetic steel, namely, the existing rotor testing method cannot test the comprehensive performance of the rotor, so that the stability of a finished product of the motor cannot be guaranteed after the rotor is assembled to the motor subsequently.
Disclosure of Invention
In order to solve the problems, the invention provides a rotor comprehensive test board which not only can detect the accuracy of the insertion direction of magnetic steel, but also can effectively monitor the space position of the magnetic steel in a rotor and the influence of the magnetizing quantity of the magnetic steel on the space magnetic field of the rotor, thereby ensuring the stability of the comprehensive performance of the rotor assembled to a motor and ensuring the quality of a finished motor.
A rotor comprehensive test board is characterized in that: the test fixture comprises a test fixture table and a test control cabinet, wherein the test control cabinet comprises a waveform display structure, a space magnetic field scanning device is arranged on the test control cabinet, the test fixture table comprises a frame, a rotor supporting frame and a rotor driving rotating shaft frame are arranged on the upper end face of the frame, the rotor supporting frame and the rotor driving rotating shaft frame are respectively positioned on two sides of the upper end face of the frame, a rotor supporting bracket is used for supporting a mandrel with a rotor installed, the rotor driving rotating shaft frame supports a rotor driving rotating shaft, the rotor driving rotating shaft is connected with the output end of a rotating motor, the mandrel can be inserted into a positioning slot hole of the rotor driving rotating shaft, and the space magnetic field scanning device faces the mandrel and the rotor to be arranged and used for capturing a magnetic field generated when the rotor rotates.
It is further characterized by:
the bottom of the rotor support frame is clamped on a linear guide rail, the rotor support frame moves towards or away from the rotor driving rotating shaft frame along the linear guide rail, four sections of connecting shafts which are arranged in parallel in pairs are arranged at the upper end of the rotor support frame, each connecting shaft is sleeved with a roller, two rollers at the same end are combined to form a rolling bearing surface, and the two rolling bearing surfaces are used for supporting a mandrel;
the outer ring surface of the mandrel is provided with a key structure, the mandrel is used for fixing a rotor to be tested, the key structure is inserted into a key groove corresponding to the rotor to be tested, and the positions of the key structure of the mandrel corresponding to the two rolling bearing surfaces are disconnected;
the rotor driving rotating shaft frame is fixedly arranged on the upper end face of the frame, the rotor driving rotating shaft is supported at the position, corresponding to the mandrel, of the rotor driving rotating shaft in the height direction, one end, corresponding to the mandrel, of the rotor driving rotating shaft is inwards concave to form a positioning slot hole, a key slot structure is arranged in the positioning slot hole, and the other end of the rotor driving rotating shaft is connected with the output end of the rotating motor through a belt wheel and a belt;
the rotating motor is fixedly arranged on the bottom surface of the upper end of the frame.
A comprehensive test method of a rotor is characterized in that: the rotor is sleeved and positioned on a mandrel with a key structure, then the mandrel is inserted and installed on a rotatable driving shaft, and then the driving shaft is rotated, so that the mandrel drives the rotor to rotate for one circle, a magnetic field is scanned in the rotation process of the rotor, graphic display is obtained through data processing, a magnetic field unfolding waveform diagram is obtained, and magnetic polarities and magnetic intensities are visually displayed through the amplitude and the phase of the waveform; and comprehensively judging the area difference, the phase difference and the area phase difference by judging the superposition degree of the magnetic flux distribution curves, and judging the rotor performance.
It is further characterized by:
a batch of molded rotors are processed in advance, a standard waveform diagram is obtained through scanning, then the waveform diagram obtained through scanning of the rotors to be detected is compared with the standard waveform diagram, whether the installation position of the magnetic steel is accurate or not can be judged, and whether the magnetic steel magnetizing quantity is reasonable or not can be judged;
after the rotor is sleeved on the mandrel, the key groove structure of the rotor is fixed at a specific position, the mandrel is vertically inserted into the output end of the driving shaft with the key groove, the position of the key groove of the rotor is ensured to be fixed, and then the initial angle and the initial position of the rotor to be tested each time are fixed, so that the testing consistency is good.
After the technical scheme is adopted, the rotor to be tested is sleeved on the mandrel, then the mandrel is supported on the rotor supporting frame, one end of the mandrel is fixedly arranged on the rotor driving rotating shaft, the rotor driving rotating shaft is connected with the output end of the rotating motor, the rotating motor rotates to drive the rotor to rotate for one circle, the magnetic field generated when the rotor rotates is captured by the space magnetic field scanning device, the magnetic field is displayed on the waveform display structure, whether the installation position of the magnetic steel is accurate or not can be judged by comparing the waveform diagram with the standard waveform diagram, and whether the magnetic steel magnetizing quantity is reasonable or not can be judged; the magnetic steel inserting device not only can detect the accuracy of the inserting direction of the magnetic steel, but also can effectively monitor the space position of the magnetic steel in the rotor and the influence of the magnetizing quantity of the magnetic steel on the space magnetic field of the rotor, so that the stability of the comprehensive performance of the rotor assembled to the motor is ensured, and the quality of a finished motor is ensured.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a rotor integrated test stand according to the present invention;
FIG. 2 is a schematic top view of a rotor support frame;
FIG. 3 is a schematic side view of a rotor support frame;
the names corresponding to the serial numbers in the figures are as follows:
test control cabinet 1, test fixture platform 2, wave form show up structure 3, frame 4, rotor supporting rack 5, rotor drive pivot frame 6, rotor 7, dabber 8, rotor drive pivot 9, rotation motor 10, location slotted hole 11, linear guide 12, connecting axle 13, gyro wheel 14, key structure 15, keyway structure 16, band pulley 17, belt 18.
Detailed Description
A rotor comprehensive test board, see fig. 1: the test control cabinet 2 comprises a test control cabinet 1 and a test tool table 2, wherein the test control cabinet 2 comprises a waveform display structure 3, a space magnetic field scanning device (not shown in the figure and belonging to the existing mature structure) is arranged on the test control cabinet 2, the test tool table 1 comprises a frame 4, a rotor supporting frame 5 and a rotor driving rotating shaft frame 6 are arranged on the upper end face of the frame 4, the rotor supporting frame 5 and the rotor driving rotating shaft frame 6 are respectively arranged on two sides of the upper end face of the frame 4, the rotor supporting frame 5 is used for supporting a mandrel 8 on which a rotor 7 is mounted, the rotor driving rotating shaft frame 6 is used for supporting a rotor driving rotating shaft 9, the rotor driving rotating shaft 9 is connected with the output end of a rotating motor 10, the mandrel 8 can be inserted into a positioning slot 11 of the rotor driving rotating shaft 9, and the space magnetic field scanning device faces the mandrel 8 and the rotor 7 and is used for capturing a magnetic field generated when the rotor rotates.
The bottom of the rotor support frame 5 is clamped on the linear guide rail 12, the rotor support frame 5 moves towards or away from the rotor driving rotating shaft frame 6 along the linear guide rail 12, four sections of connecting shafts 13 which are arranged in parallel in pairs are arranged at the upper end of the rotor support frame 5, each connecting shaft 13 is respectively sleeved with a roller 14, two rollers 14 at the same end are combined to form a rolling bearing surface, and the two rolling bearing surfaces are used for supporting the mandrel 8;
the outer ring surface of the mandrel 8 is provided with a key structure 15, the mandrel 8 is used for fixing the rotor 7 to be tested, the key structure 15 is inserted into a key groove corresponding to the rotor 7 to be tested, the position of the key structure 15 of the mandrel 8 corresponding to the two rolling bearing surfaces is disconnected, and the normal operation of the whole structure is ensured;
the rotor driving rotating shaft frame 6 is fixedly arranged on the upper end face of the frame 4, a rotor driving rotating shaft 9 is supported at the position of the rotor driving rotating shaft frame 6 corresponding to the position of the mandrel 8, one end of the rotor driving rotating shaft 9 corresponding to the mandrel 8 is inwards concave to form a positioning slot 11, a key groove structure 16 is arranged in the positioning slot 11, and the other end of the rotor driving rotating shaft 9 is connected with the output end of the rotating motor 10 through a belt pulley 17 and a belt 18;
the rotary motor 10 is fixedly arranged on the bottom surface of the upper end of the frame 4.
A comprehensive test method of a rotor comprises the following steps: the rotor is sleeved and positioned on a mandrel with a key structure, then the mandrel is inserted and installed on a rotatable driving shaft, and then the driving shaft is rotated, so that the mandrel drives the rotor to rotate for one circle, a magnetic field is scanned in the rotation process of the rotor, graphic display is obtained through data processing, a magnetic field unfolding waveform diagram is obtained, and magnetic polarities and magnetic intensities are visually displayed through the amplitude and the phase of the waveform; and comprehensively judging the area difference, the phase difference and the area phase difference by judging the superposition degree of the magnetic flux distribution curves, and judging the rotor performance.
A batch of molded rotors are processed in advance, a standard waveform diagram is obtained through scanning, then the waveform diagram obtained through scanning of the rotors to be detected is compared with the standard waveform diagram, whether the installation position of the magnetic steel is accurate or not can be judged, and whether the magnetic steel magnetizing quantity is reasonable or not can be judged;
the space position of the magnetic steel installed in the rotor is fixed, the fixed magnetic field distribution is formed on the surface of the rotor, if the space position of the magnetic steel deviates on the circumference, the deviation of the phase angle of the scanning waveform is generated, and if the magnetic steel is magnetized and unsaturated, the difference of the area of the scanning waveform is generated;
after the rotor is sleeved on the mandrel, the key groove structure of the rotor is fixed at a specific position, the mandrel is vertically inserted into the output end of the driving shaft with the key groove, the position of the key groove of the rotor is ensured to be fixed, and then the initial angle and the initial position of the rotor to be tested each time are fixed, so that the testing consistency is good.
The method acts on the comprehensive test bench specifically comprises the following steps:
(1) Inserting the mandrel 8 into the rotor 7 to be detected after visual detection is qualified;
(2) Hoisting the rotor 7 with the mandrel 8 inserted into the test fixture table 4, and simultaneously enabling the broken parts of the key structures of the mandrel+ to be respectively supported on the rolling bearing surfaces;
(3) Pushing the test tool table 4 to enable the mandrel 8 to be inserted into the positioning slot 11 of the rotor driving rotating shaft 9, and enabling the key structure 15 of the mandrel 8 to be inserted into the corresponding key groove structure 16;
(4) Pressing a working button of a rotating motor to drive the rotor to rotate for one circle, capturing a magnetic field and finally displaying through a waveform display structure 3;
(5) Comparing the waveform diagram obtained by scanning the rotor to be detected with the standard waveform diagram, judging whether the installation position of the magnetic steel is accurate or not, judging whether the magnetizing quantity of the magnetic steel is reasonable or not, inputting numbers to qualified products according to the test result, and isolating unqualified products;
(6) The tested rotor 7 is lifted off the test workbench and ready for the next rotor test.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (1)
1. A comprehensive test method of a rotor is characterized in that: the rotor is sleeved and positioned on a mandrel with a key structure, then the mandrel is inserted and installed on a rotatable driving shaft, and then the driving shaft is rotated, so that the mandrel drives the rotor to rotate for one circle, a magnetic field is scanned in the rotation process of the rotor, graphic display is obtained through data processing, a magnetic field unfolding waveform diagram is obtained, and magnetic polarities and magnetic intensities are visually displayed through the amplitude and the phase of the waveform; judging the rotor performance through the superposition degree judgment of the magnetic flux distribution curves, and comprehensively judging the area difference, the phase difference and the area phase difference;
a batch of molded rotors are processed in advance, a standard waveform diagram is obtained through scanning, then the waveform diagram obtained through scanning of the rotors to be detected is compared with the standard waveform diagram, whether the installation position of the magnetic steel is accurate or not can be judged, and whether the magnetic steel magnetizing quantity is reasonable or not can be judged;
after the rotor is sleeved on the mandrel, the key slot structure of the rotor is fixed at a specific position, and the mandrel is vertically inserted at the output end of the driving shaft with the key slot, so that the position of the key slot of the rotor is ensured to be fixed;
the test fixture comprises a rotor comprehensive test bench, wherein the rotor comprehensive test bench comprises a test fixture bench and a test control cabinet, the test control cabinet comprises a waveform display structure, a space magnetic field scanning device is arranged on the test control cabinet, the test fixture bench comprises a frame, a rotor supporting frame and a rotor driving rotating shaft frame are arranged on the upper end face of the frame, the rotor supporting frame and the rotor driving rotating shaft frame are respectively arranged on two sides of the upper end face of the frame, the rotor supporting frame is used for supporting a mandrel with a rotor installed, the rotor driving rotating shaft frame is supported with a rotor driving rotating shaft, the rotor driving rotating shaft is connected with the output end of a rotating motor, the mandrel can be inserted into a positioning slot hole of the rotor driving rotating shaft, and the space magnetic field scanning device faces the mandrel and the rotor and is used for capturing a magnetic field generated when the rotor rotates;
the bottom of the rotor support frame is clamped on a linear guide rail, the rotor support frame moves towards or away from the rotor driving rotating shaft frame along the linear guide rail, four sections of connecting shafts which are arranged in parallel in pairs are arranged at the upper end of the rotor support frame, each connecting shaft is sleeved with a roller, two rollers at the same end are combined to form a rolling bearing surface, and the two rolling bearing surfaces are used for supporting a mandrel;
the outer ring surface of the mandrel is provided with a key structure, the mandrel is used for fixing a rotor to be tested, the key structure is inserted into a key groove corresponding to the rotor to be tested, and the positions of the key structure of the mandrel corresponding to the two rolling bearing surfaces are disconnected;
the rotor driving rotating shaft frame is fixedly arranged on the upper end face of the frame, the rotor driving rotating shaft is supported at the position of the rotor driving rotating shaft frame, which corresponds to the position of the mandrel, one end of the rotor driving rotating shaft, which corresponds to the mandrel, is inwards concave to form a positioning slot hole, a key slot structure is arranged in the positioning slot hole, and the other end of the rotor driving rotating shaft is connected with the output end of the rotating motor through a belt wheel and a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079566.1A CN106680717B (en) | 2017-02-15 | 2017-02-15 | Rotor comprehensive test board and corresponding test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079566.1A CN106680717B (en) | 2017-02-15 | 2017-02-15 | Rotor comprehensive test board and corresponding test method thereof |
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| Publication Number | Publication Date |
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| CN106680717A CN106680717A (en) | 2017-05-17 |
| CN106680717B true CN106680717B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710079566.1A Active CN106680717B (en) | 2017-02-15 | 2017-02-15 | Rotor comprehensive test board and corresponding test method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919117B (en) * | 2018-05-21 | 2024-01-30 | 苏州德能电机股份有限公司 | Equipment for testing permanent magnet rotor magnetic steel and method for testing rotor magnetic steel |
| CN109116232B (en) * | 2018-07-13 | 2019-08-02 | 上海交通大学 | Magnetic property measuring device towards seriation claw-pole type generator rotor |
| CN111974483B (en) * | 2020-08-26 | 2023-08-08 | 江苏联博精密科技股份有限公司 | Experimental platform applied to magnetic bearing-rotor |
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| JP2000055882A (en) * | 1998-08-06 | 2000-02-25 | Moriyama Kogyo Kk | Apparatus and method for inspection of magnetization of rotor |
| CN1293484A (en) * | 1999-10-15 | 2001-05-02 | 雅马哈发动机株式会社 | Detecting apparatus for rotor position of motor |
| CN2727755Y (en) * | 2004-08-29 | 2005-09-21 | 重庆宗申技术开发研究有限公司 | Magneto rotor testing device |
| JP2012023801A (en) * | 2010-07-12 | 2012-02-02 | Okuma Corp | Rotator of electric motor |
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Effective date of registration: 20180911 Address after: 215000 room 805, 1 Business Plaza, Suzhou Industrial Park, Jiangsu. Applicant after: SUZHOU LVKON NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 215000 No. 48, Sheng Pu Tong Sheng Road, Suzhou Industrial Park, Jiangsu Applicant before: SUZHOU WEIBEI MOTOR TECHNOLOGY CO.,LTD. |
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