CN202121536U - Starting torque testing system for single-phase motors - Google Patents
Starting torque testing system for single-phase motors Download PDFInfo
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- CN202121536U CN202121536U CN2011202183314U CN201120218331U CN202121536U CN 202121536 U CN202121536 U CN 202121536U CN 2011202183314 U CN2011202183314 U CN 2011202183314U CN 201120218331 U CN201120218331 U CN 201120218331U CN 202121536 U CN202121536 U CN 202121536U
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- motor
- torque sensor
- starting torque
- examination
- frequency converter
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
A starting torque testing system for single-phase motors comprises a frequency-variable power source, a reduction motor, a torque sensor, a tested motor, a tested motor clamping device, a frequency converter and a detecting and recording device. The frequency-variable power source is electrically connected with the tested motor, the torque sensor is respectively connected with a shaft of the tested motor clamping device and an output shaft of the reduction motor through couplings, the reduction motor is electrically connected with the frequency converter, and the torque sensor and the detecting and recording device are connected with each other through a signal line and an interface. The starting torque testing system for the single-phase motors has the advantages that the frequency-variable power source is used for supplying power for the tested motor so that starting torques of single-phase motors in different electric modes can be tested. High testing precision and fine stability can be achieved since the torque sensor is used for detecting testing data on line and the data are stored into the detecting and recording device. Continuous tests can be completed without frequently r repositioning rotors, and the starting torque testing system is stable and reliable by using the frequency converter to control rotating speed of the reduction motor.
Description
Technical field
The utility model belongs to the motor technology field, relates in particular to the measuring technology of single-phase motor starting torque.
Background technology
Monocyclic-start induction motor because of simple in structure, easily manufactured, cost is low, the reliability advantages of higher, is widely used in household electrical appliance and medicine equipment.
But monocyclic-start induction motor does not have starting torque, own fail to start.For producing starting torque, two windings are housed usually on the stator of motor: one is work winding (or claiming main winding); Another is starting winding (or claiming auxilliary winding).Even like this, the starting torque of single-phase motor is also much smaller than three phase induction motor.And during motor starting, the position of motor rotor is different, and the size of starting torque is also inequality.The testing apparatus of prior art by variable frequency power supply, torque sensor, tried that motor clamps device and the detection record device is formed; Clamped with being clamped device by the examination motor by the examination motor; Variable frequency power supply is for being provided power supply by the examination motor; Torque sensor is connected with the axle that is clamped device by the examination motor, detect tried the motor start-up torque and with transfer of data to the detection record device.During the test start torque, elder generation is with the locked rotor of motor, and then test; The starting torque of testing rotor when diverse location if desired; Then as required, earlier the rotor opsition dependent is divided into different equal portions, whenever test a position after; Forward the position of rotor to next position, pin rotor again and test.The deficiency of prior art is to carry out continuous test; Testing rotor when the starting torque of diverse location, test loaded down with trivial details,
Summary of the invention
The purpose of the utility model is to propose a kind of single-phase motor starting torque testing apparatus, the starting torque of rotor when diverse location in the time of can the starting of follow-on test monophase machine.
In order to reach the technical purpose of the utility model; The utility model adopts following technical scheme: a kind of single-phase motor starting torque test macro; Comprise that variable frequency power supply, torque sensor, quilt are tried motor, quilt is tried motor and clamps device and detection record device; Variable frequency power supply is connected with quilt examination electric electromechanics; Torque sensor one end is connected through shaft coupling and by the axle that the examination motor clamps device, is connected through holding wire between torque sensor and the detection record device, it is characterized in that said single-phase motor starting torque test macro also comprises reducing motor and frequency converter; The reducing motor output shaft is connected through the reducing motor shaft coupling with the torque sensor other end, and reducing motor is electrically connected with frequency converter.
Saidly clamped the axle of device and the axial deviation of the output shaft diaxon of reducing motor is ± 0.25mm by the examination motor; Angular deviation is 1 °.
Said detection record device is a computer.
The method for using of single-phase motor starting torque test macro is:
A, will be clamped device and clamp with trying motor by examination motor rotor and stator,
B, elder generation give by the examination motor again and supply power to the reducing motor power supply, are no more than 10s conduction time; Be that motor rotates a circle in 10s; Torque sensor measures the data that motor rotates a circle, and institute is surveyed transfer of data to the detection record device, and the detection record device shows and records store data; Accomplish test
Behind c, the EOT, will be broken off by the power supply of examination motor earlier, the power supply with reducing motor breaks off again, and dismounting is by the examination motor then.
The technological progress part of the utility model is:
1. adopting variable frequency power supply is by the power supply of examination motor, the starting torque that can test the single-phase motor of different electric system.
2. use the online test experience data of torque sensor, among the detection record device, measuring accuracy is high, good stability with storage.
3. with the rotating speed of reducing motor control armature spindle, can carry out continuous test, not need the position of frequent more exchanging rotor.
4. use the rotating speed of Frequency Converter Control reducing motor, reliable and stable.
Description of drawings
3 in the total accompanying drawing of the utility model, wherein:
Fig. 1 is the test macro sketch map.
Fig. 2 is tried motor rotor and is clamped sketch map.
Fig. 3 is tried motor stator and is clamped sketch map.
In the accompanying drawing: 1, clamped device by try motor, 2, a shaft coupling, 3, torque sensor, 4, the reducing motor shaft coupling, 5, reducing motor; 6, frequency converter, 7, the detection record device, 8, variable frequency power supply, 9, the support trip bolt, 10, fore-stock; 11, cushion block, 12, preceding end bearing, 13, the fore-stock end cap, 14, the rotor cover, 15, tried motor rotor; 16, axle, 17, the after-poppet end cap, 18, rear end bearing, 19, after-poppet, 20, base; 21, pin, 22, the stator cover plate, 23, the stator fastening bolt, 24, tried motor stator, 25 end cap trip bolts.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.Variable frequency power supply 8 is electrically connected with quilt examination motor 15,24; Torque sensor 3 one ends are connected with the axle 16 that is clamped device 1 by the examination motor through axle shaft coupling 2; Torque sensor 3 other ends are connected with the output shaft of reducing motor 5 through reducing motor shaft coupling 4; Reducing motor 5 is electrically connected with frequency converter 6, is connected with interface through holding wire between torque sensor 3 and the computer 7.
Will by examination motor rotor 15 pack into axle 16 by examination motor rotor section, an end of rotor 15 is contacted with the shaft shoulder of axle 16, an other end overlaps 14 with rotor and tightens.Then; End bearing 12 and rear end bearing 18 before the two ends of axle 16 are respectively charged into; The assembly that assembles is packed into by in the examination motor stator 24; Again electric machine assembly is put on the bearing pedestal of front and back support upper end, the front and back support end cap is covered, and end cap is fixedly connected with front and back support with end cap trip bolt 25.Select suitable cushion block 11,, cushion block 11 is fixed on the inclined-plane of base 20 grooves of falling the isosceles trapezoid, cushion block 11 and stator are connected.Regulate stator fastening bolt 23 then,, make air gap value up to specification with the air gap between feeler gauge test motor stator 24 and the rotor 15.Then, according to by examination electricity consumption system that motor makes, adjust the frequency and the voltage of variable frequency power supply 8; Output frequency according to the rotating speed adjustment frequency converter of the speed reducing ratio of reducing motor and requirement makes device rotary speed reach requirement.When beginning to test,, give again by the power supply of examination motor earlier to the reducing motor power supply; Be no more than 10s conduction time, promptly motor rotates a circle in 10s, and torque sensor measures the data that motor rotates a circle; Institute is surveyed transfer of data give computer 7, computer 7 shows and records store data, accomplishes test.Behind the EOT, will be broken off by the power supply of examination motor earlier, the power supply with reducing motor breaks off again, and dismounting is by the examination motor then.
Claims (3)
1. single-phase motor starting torque test macro; Comprise that variable frequency power supply (8), torque sensor (3), quilt are tried motor (15,24), quilt is tried motor and clamps device (1) and detection record device (7); Variable frequency power supply (8) is electrically connected with quilt examination motor (15,24); Torque sensor (3) one ends are connected with the axle (16) that is clamped device (1) by the examination motor through axle shaft coupling (2); Be connected through holding wire between torque sensor (3) and the detection record device (7); It is characterized in that said single-phase motor starting torque test macro also comprises reducing motor (5) and frequency converter (6), the output shaft of reducing motor (5) is connected with torque sensor (3) other end through reducing motor shaft coupling (4), and reducing motor (5) is electrically connected with frequency converter (6).
2. a kind of single-phase motor starting torque test macro according to claim 1 is characterized in that the axial deviation of the output shaft diaxon of said axle (16) and the reducing motor (5) that is clamped device (1) by the examination motor is ± 0.25mm; Angular deviation is 1 °.
3. a kind of single-phase motor starting torque test macro according to claim 1 is characterized in that said detection record device (7) is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202183314U CN202121536U (en) | 2011-06-24 | 2011-06-24 | Starting torque testing system for single-phase motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202183314U CN202121536U (en) | 2011-06-24 | 2011-06-24 | Starting torque testing system for single-phase motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121536U true CN202121536U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202183314U Expired - Fee Related CN202121536U (en) | 2011-06-24 | 2011-06-24 | Starting torque testing system for single-phase motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404248A (en) * | 2016-10-11 | 2017-02-15 | Tcl瑞智（惠州）制冷设备有限公司 | Motor starting torque testing device |
| CN113945309A (en) * | 2021-08-31 | 2022-01-18 | 北京航天控制仪器研究所 | Posture adjusting device for counter-torque tester |
-
2011
- 2011-06-24 CN CN2011202183314U patent/CN202121536U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404248A (en) * | 2016-10-11 | 2017-02-15 | Tcl瑞智（惠州）制冷设备有限公司 | Motor starting torque testing device |
| CN113945309A (en) * | 2021-08-31 | 2022-01-18 | 北京航天控制仪器研究所 | Posture adjusting device for counter-torque tester |
| CN113945309B (en) * | 2021-08-31 | 2024-02-09 | 北京航天控制仪器研究所 | Posture adjusting device for counter moment tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 116000, No. 8 Song Lan street, Dalian economic and Technological Development Zone, Liaoning, China Patentee after: Dalian Sanyo Compressor Co., Ltd. Address before: 116033 No. 78 East Sea Road, Ganjingzi District, Liaoning, Dalian Patentee before: Dalian Sanyo Compressor Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO., LTD. Free format text: FORMER NAME: DALIAN SANYO COMPRESSOR CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 116600 Dalian economic and Technological Development Zone, Liaoning Pine Street, No. 8 Patentee after: Panasonic's compressor (Dalian) Co., Ltd Address before: 116000, No. 8 Song Lan street, Dalian economic and Technological Development Zone, Liaoning, China Patentee before: Dalian Sanyo Compressor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20200624 |