SU1181112A1 - Step electric drive - Google Patents
Step electric drive Download PDFInfo
- Publication number
- SU1181112A1 SU1181112A1 SU833587879A SU3587879A SU1181112A1 SU 1181112 A1 SU1181112 A1 SU 1181112A1 SU 833587879 A SU833587879 A SU 833587879A SU 3587879 A SU3587879 A SU 3587879A SU 1181112 A1 SU1181112 A1 SU 1181112A1
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- SU
- USSR - Soviet Union
- Prior art keywords
- shaft
- electromagnet
- rotation
- alternating
- electric drive
- Prior art date
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
ШАГОВЫЙ ЭЛЕКТРОПРИВОД, содержащий механизм знакопеременного дискретного поворота вала, электромагнитную муфту, включающую электромагнит и корь, отличающийс тем, что, с целью повьшени жесткости нагрузочной характеристики привода и расширени функциональных возможностей путем обеспечени регулировани величины шага и обеспечени режима непрерывного вращени , корь электромагнитной муфты жестко закреплен на выходном валу, электромагнит муфты закреплен неподвижно, а механизм знакопеременного поворота вала вьшолнен в виде электродвигател переменного тока.STEP ELECTRIC DRIVE, containing the mechanism of alternating discrete shaft rotation, electromagnetic clutch, including an electromagnet and measles, characterized in that, in order to increase the rigidity of the drive characteristic and expansion of functionality by providing step size control and ensuring the continuous rotation mode, the electromagnetic clutch is rigidly fixed on the output shaft, the clutch electromagnet is fixed, and the alternating rotation mechanism of the shaft is completed as lektrodvigatel AC.
Description
111111
Изобретение относитс к электротехнике , в частности к шаговым электроприводам , и может быть использовано , дл дискретного знакопеременного . вращени вала.The invention relates to electrical engineering, in particular to stepper drives, and can be used for discrete alternating. shaft rotation.
Цель изобретени - повышение жесткости нагрузочной характеристики привода и расширение функциональных возможностей путем обеспечени регулировани величины шага и обеспечени ре .жима .непрерывного вращени вала.The purpose of the invention is to increase the stiffness of the drive characteristics and expand the functionality by providing adjustment of the step size and ensuring the continuous clamping of the shaft.
На чертеже схематично изображен предлагаемый привод. Он содержит электродвигатель 1, на валу 2 которого с помощью .упругой мембраны 3 закреплен корь 4 электромагнитной муф ты, сердечник 5 которой с обмоткой 6 неподвижно закреплен. Часть обмоток электродвигател подключена к источнику , посто нного напр жени (не показан ), а часть - к источнику переменного напр жени . Обмотка электромагнитной муфты подключена к источнику переменного напр жени , 7 и 8 - блоки управлени . .The drawing schematically shows the proposed drive. It contains an electric motor 1, on the shaft 2 of which, by means of an elastic membrane 3, is fixed the bark 4 of an electromagnetic coupling, the core 5 of which with the winding 6 is fixedly fixed. Some of the motor windings are connected to a constant voltage source (not shown), and some to an alternating voltage source. The coil of the electromagnetic coupling is connected to the alternating voltage source, 7 and 8 - control units. .
Устройство работает следу1Ьщим образом .The device operates as follows.
Питание обмоток двигател от источников посто нного и переменного напр жени приводит к по влению знаjKonepeMeHHoro момента, приложенного к его ротору. Обмотка электромагнитной муфты питаетс от источника перемен122Powering the motor windings from sources of constant and alternating voltage leads to the appearance of the KonepeMeHHoro moment applied to its rotor. The winding of the electromagnetic clutch is powered from the source of change.
ного напр жени так, что муфта включаетс в моменты действи на ротор двигател момента одного знака и выключаетс при изменении знака момента на противоположный. При этом в первом случае ротор затормаживаетс , а во втором - поворачиваетс в направлении действи момента. Таким образом осуществл етс дискретное старт-стопное вращение вала в одном направлении.voltage so that the clutch is turned on at the moment of action on the rotor of the motor of the moment of one sign and turns off when the sign of the moment changes to the opposite. In this case, in the first case, the rotor is braked, and in the second, it turns in the direction of the moment of action. Thus, discrete start-stop rotation of the shaft in one direction is performed.
Скорость вращени вала определ етс частотой источников переменного напр жени , питающих обмотки двигател и муфты, а также величиной шага двигател , котора определ етс скважностью включени электромагнитной муфты. Изменением скважности включени муфты и частоты питани двигател можно в широких пределах измен ть величину шага и скорость вращени выходного вала.The speed of rotation of the shaft is determined by the frequency of the alternating voltage sources, the power supply windings of the motor and the coupling, and the magnitude of the motor pitch, which is determined by the duty ratio of the electromagnetic clutch. By varying the clutch duty cycle and motor power frequency, the step size and rotational speed of the output shaft can be varied over a wide range.
Реверс направлени движени осуществл етс изменением фазы включени муфты на половину периода коммутации- муфты.The reversal of the direction of movement is accomplished by changing the clutch engagement phase for half the switching time of the clutch.
Предлагаемый привод может также осуществл ть непрерывное вращение выходного вала путем отключени питани электромагнитной муфты и включени обмоток электромотора к трехфазной The proposed drive can also carry out continuous rotation of the output shaft by turning off the power of the electromagnetic clutch and turning on the windings of the electric motor to three phase
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU833587879A SU1181112A1 (en) | 1983-05-04 | 1983-05-04 | Step electric drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU833587879A SU1181112A1 (en) | 1983-05-04 | 1983-05-04 | Step electric drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1181112A1 true SU1181112A1 (en) | 1985-09-23 |
Family
ID=21062200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU833587879A SU1181112A1 (en) | 1983-05-04 | 1983-05-04 | Step electric drive |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1181112A1 (en) |
Cited By (6)
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|---|---|---|---|---|
| US7607326B2 (en) * | 2004-07-20 | 2009-10-27 | Lg Electronics Inc. | Drum type washing machine and bearing housing structure thereof |
| US7827834B2 (en) | 2005-09-30 | 2010-11-09 | Lg Electronics Inc. | Bearing housing assembly of drum-type washing machine and drum-type washing machine with the same |
| US7841220B2 (en) | 2005-09-30 | 2010-11-30 | Lg Electronics Inc. | Drum-type washing machine |
| US7930910B2 (en) | 2002-12-27 | 2011-04-26 | Lg Electronics Inc. | Drum type washing machine |
| US8087267B2 (en) | 2002-12-27 | 2012-01-03 | Lg Electronics Inc. | Drum type washing machine |
| USRE43625E1 (en) | 2006-03-29 | 2012-09-04 | Lg Electronics Inc. | Drum type washing machine |
-
1983
- 1983-05-04 SU SU833587879A patent/SU1181112A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 775833, кл. Н 02 К 37/00, 1978. Мальцев В.Ф. Механические импульсные передачи. -М.: Машиностроение, 1978, с. 10, рис.6. * |
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