JP2009038849A5 - - Google Patents
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- JP2009038849A5 JP2009038849A5 JP2007198392A JP2007198392A JP2009038849A5 JP 2009038849 A5 JP2009038849 A5 JP 2009038849A5 JP 2007198392 A JP2007198392 A JP 2007198392A JP 2007198392 A JP2007198392 A JP 2007198392A JP 2009038849 A5 JP2009038849 A5 JP 2009038849A5
- Authority
- JP
- Japan
- Prior art keywords
- phase motor
- electrical angle
- stop
- motor
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 claims 22
- 238000000034 method Methods 0.000 claims 10
- 230000005284 excitation Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
Claims (5)
前記直流電源への交流電圧の供給が遮断された交流遮断状態の発生を検知する交流遮断検知手段と，
前記インバータ回路による前記三相モータに対する電力供給を停止させるインバータ給電停止制御手段と，
前記三相モータの電気角を検出する電気角検出手段と，
前記インバータ給電停止制御手段による前記三相モータに対する電力供給の停止後に，前記電気角検出手段の検出角度に基づいて前記三相モータの停止及び停止位置の電気角を検知するモータ停止検知手段と，
前記交流遮断検知手段により前記交流遮断状態の発生が検知され，かつ，前記モータ停止検知手段により前記三相モータの停止が検知された場合に，前記モータ停止検知手段により検知された前記三相モータの停止位置の電気角に応じて，前記インバータ回路から一定パターンの電圧出力を継続させて前記三相モータに励磁電流を供給させるインバータ一定給電制御手段と，
を具備してなることを特徴とする回転容器駆動装置。 Supply the AC voltage from the AC power source to the DC power source, smooth the DC voltage output by the DC power source with a smoothing capacitor, and supply it to the inverter circuit. The inverter circuit switches the output voltage and supplies it to the three-phase motor. Thus, a rotating container driving device for rotating a rotating container containing an object to be stirred by the three-phase motor,
AC interruption detection means for detecting the occurrence of an AC interruption state in which the supply of AC voltage to the DC power supply is interrupted;
Inverter power supply stop control means for stopping power supply to the three-phase motor by the inverter circuit;
Electrical angle detection means for detecting the electrical angle of the three-phase motor;
Motor stop detection means for detecting the electrical angle of the stop and stop position of the three-phase motor based on the detection angle of the electrical angle detection means after the power supply to the three-phase motor is stopped by the inverter power supply stop control means;
The three-phase motor detected by the motor stop detection means when the occurrence of the AC cutoff state is detected by the AC cutoff detection means and the stop of the three-phase motor is detected by the motor stop detection means. Constant inverter power supply control means for continuously supplying a constant pattern of voltage output from the inverter circuit and supplying an excitation current to the three-phase motor according to the electrical angle of the stop position of
A rotating container driving device comprising:
前記一定パターンの電圧出力が，前記三相モータに対し，前記モータ停止検知手段により検知された前記三相モータの停止位置の前記電気角範囲の中心角において励磁電流を供給しトルク電流を供給しない電圧出力である請求項１に記載の回転容器駆動装置。 The electrical angle of the three-phase motor detected by the electrical angle detection means and the electrical angle of the stop position of the three-phase motor detected by the motor stop detection means are classified according to the magnetic pole position of the three-phase motor. One of a plurality of electrical angle ranges,
The voltage output of the constant pattern supplies the excitation current to the three-phase motor at the central angle of the electrical angle range of the stop position of the three-phase motor detected by the motor stop detection means and does not supply the torque current. The rotary container driving device according to claim 1, which is a voltage output.
所定の検知手段により，前記直流電源への交流電圧の供給が遮断された交流遮断状態の発生を検知する交流遮断検知手順と，
所定の制御手段により，前記インバータ回路による前記三相モータに対する電力供給を停止させるインバータ給電停止制御手順と，
所定の電気角検出手段により前記三相モータの電気角を検出する電気角検出手順と，
前記インバータ給電停止制御手順による前記三相モータに対する電力供給の停止後に，所定の検知手段により，前記電気角検出手順による前記三相モータの電気角の検出角度に基づいて，前記三相モータの停止及び停止位置の電気角を検知するモータ停止検知手順と，
前記交流遮断検知手順により前記交流遮断状態の発生が検知され，かつ，前記モータ停止検知手順により前記三相モータの停止が検知された場合に，所定の制御手段により，前記モータ停止検知手順により検知された前記三相モータの停止位置の電気角に応じて，前記インバータ回路から一定パターンの電圧出力を継続させて前記三相モータに励磁電流を供給させるインバータ一定給電制御手順と，
を実行してなることを特徴とする回転容器駆動装置の制御方法。 Supply the AC voltage from the AC power source to the DC power source, smooth the DC voltage output by the DC power source with a smoothing capacitor, and supply it to the inverter circuit. The inverter circuit switches the output voltage and supplies it to the three-phase motor. Thus, there is provided a control method for a rotating container driving device for rotating a rotating container containing an object to be stirred by the three-phase motor,
AC interruption detection procedure for detecting occurrence of an AC interruption state in which supply of an AC voltage to the DC power supply is interrupted by a predetermined detection means;
An inverter power supply stop control procedure for stopping power supply to the three-phase motor by the inverter circuit by a predetermined control means;
An electrical angle detection procedure for detecting an electrical angle of the three-phase motor by a predetermined electrical angle detection means;
After the power supply to the three-phase motor is stopped by the inverter power supply stop control procedure, the three-phase motor is stopped based on the detection angle of the electrical angle of the three-phase motor by the electrical angle detection procedure by a predetermined detection means. And a motor stop detection procedure for detecting the electrical angle of the stop position,
When the occurrence of the AC interruption state is detected by the AC interruption detection procedure, and when the stop of the three-phase motor is detected by the motor stop detection procedure, it is detected by the motor stop detection procedure by a predetermined control means. An inverter constant power supply control procedure for continuously supplying a constant pattern of voltage output from the inverter circuit and supplying an excitation current to the three-phase motor according to the electrical angle at the stop position of the three-phase motor.
The control method of the rotary container drive device characterized by performing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007198392A JP4846671B2 (en) | 2007-07-31 | 2007-07-31 | Rotating container drive device and control method thereof, washing machine, dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007198392A JP4846671B2 (en) | 2007-07-31 | 2007-07-31 | Rotating container drive device and control method thereof, washing machine, dryer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009038849A JP2009038849A (en) | 2009-02-19 |
| JP2009038849A5 true JP2009038849A5 (en) | 2009-12-03 |
| JP4846671B2 JP4846671B2 (en) | 2011-12-28 |
Family
ID=40440338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007198392A Active JP4846671B2 (en) | 2007-07-31 | 2007-07-31 | Rotating container drive device and control method thereof, washing machine, dryer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4846671B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9246432B2 (en) * | 2011-02-14 | 2016-01-26 | Beckman Coulter, Inc. | Regenerative braking safety system and method of use |
| JP6125295B2 (en) * | 2012-10-19 | 2017-05-10 | 三菱重工業株式会社 | Motor drive device and discharge control method thereof |
| JP7457299B2 (en) | 2019-07-19 | 2024-03-28 | 株式会社川本製作所 | Water supply equipment and management system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04207986A (en) * | 1990-11-30 | 1992-07-29 | Hitachi Ltd | Inverter unit |
| JPH06225543A (en) * | 1993-01-26 | 1994-08-12 | Shinko Electric Co Ltd | Compulsive discharge method for capacitor of inverter |
| JP3665474B2 (en) * | 1998-05-07 | 2005-06-29 | 三菱電機株式会社 | Power supply circuit and shutoff method |
| JP4178766B2 (en) * | 2001-06-01 | 2008-11-12 | 松下電器産業株式会社 | Motor control method and motor drive device |
| JP2006187085A (en) * | 2004-12-27 | 2006-07-13 | Nissan Motor Co Ltd | Circuit and method for discharging capacitor in inverter device |
| JP4398889B2 (en) * | 2005-03-11 | 2010-01-13 | シャープ株式会社 | Motor drive device and washing machine |
-
2007
- 2007-07-31 JP JP2007198392A patent/JP4846671B2/en active Active
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