JPH0691086A - Washing machine - Google Patents
Washing machineInfo
- Publication number
- JPH0691086A JPH0691086A JP4244737A JP24473792A JPH0691086A JP H0691086 A JPH0691086 A JP H0691086A JP 4244737 A JP4244737 A JP 4244737A JP 24473792 A JP24473792 A JP 24473792A JP H0691086 A JPH0691086 A JP H0691086A
- Authority
- JP
- Japan
- Prior art keywords
- control
- dehydration operation
- rotation
- washing machine
- dehydration
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、脱水運転時は回転槽の
回転数を段階的に順次高める低速回転制御を実行した後
に定常回転制御に移行すると共に、脱水運転時に回転槽
が異常揺動したときは回転槽の停止状態から脱水運転を
再実行する洗濯機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention shifts to steady-state rotation control after executing low-speed rotation control for gradually increasing the number of rotations of a rotary tub during dehydration operation, and causes abnormal rotation of the rotary tub during dehydration operation. When it does, it relates to the washing machine which re-executes the dehydration operation from the stopped state of the rotary tub.
【０００２】[0002]
【従来の技術】従来より、例えば全自動洗濯機において
は、脱水運転時は、回転槽の回転数を段階的に順次高め
るように低速回転制御を実行した後に定常回転を実行す
るようにしている。これは、回転槽を一気に高速回転し
た場合、回転槽に収納されている洗濯物が一方向に偏る
ことによりアンバランス状態となって異常揺動が発生す
るためである。2. Description of the Related Art Conventionally, for example, in a fully automatic washing machine, during spin-drying operation, low-speed rotation control is executed so that the rotation speed of a rotary tub is increased step by step, and then steady rotation is executed. . This is because when the rotary tub is rotated at a high speed all at once, the laundry stored in the rotary tub is biased in one direction to cause an unbalanced state and abnormal swinging occurs.
【０００３】ところが、上述のように異常揺動の発生を
防止するように脱水運転時に回転数制御を実行する構成
であっても、洗濯物の種類或は重量によっては異常揺動
が発生することがある。そこで、異常揺動の発生を検出
する異常揺動検出装置を設け、脱水運転時にその異常揺
動検出装置が検出状態となったときは、回転槽の回転を
停止すると共に回転槽に給水することにより洗濯物をほ
ぐした状態で再度脱水運転を実行するようにしている。However, even if the rotational speed control is executed during the dehydration operation so as to prevent the occurrence of the abnormal swing as described above, the abnormal swing may occur depending on the kind or weight of the laundry. There is. Therefore, an abnormal swing detector is installed to detect the occurrence of abnormal swing, and when the abnormal swing detector is in the detection state during dehydration operation, the rotation of the rotary tank is stopped and water is supplied to the rotary tank. Thus, the dehydration operation is performed again with the laundry unraveled.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来例の場合、異常揺動の発生により脱水運転を再実行す
るときは、最初に実行した回転制御を単に繰返すだけで
あるので、異常揺動が再発する虞がある。However, in the case of the above-mentioned conventional example, when the dehydration operation is re-executed due to the occurrence of the abnormal fluctuation, the rotation control executed first is simply repeated, so that the abnormal fluctuation occurs. May recur.
【０００５】本発明は上記事情に鑑みてなされたもの
で、その目的は、脱水運転時に異常揺動が発生したとき
は脱水運転を再実行するものにおいて、異常揺動の再発
を確実に防止することができる洗濯機を提供することに
ある。The present invention has been made in view of the above circumstances, and an object thereof is to reliably prevent recurrence of the abnormal swing in a case where the dehydration operation is re-executed when the abnormal swing occurs during the dehydration operation. It is to provide a washing machine that can.
【０００６】[0006]
【課題を解決するための手段】本発明は、回転槽の異常
揺動を検出する異常揺動検出手段と、脱水運転時は回転
槽の回転数を段階的に順次高める低速回転制御を実行し
た後に定常回転制御に移行すると共に、脱水運転時に前
記異常揺動検出手段が検出状態となったときは前記回転
槽の停止状態から脱水運転を再実行する制御手段とを備
えた洗濯機において、前記制御手段を、脱水運転を再実
行するときは、前記回転槽を前記低速回転制御の始動回
転数よりも低い始動回転数で回転する予備始動運転を含
んで実行するように構成したものである。According to the present invention, an abnormal fluctuation detecting means for detecting abnormal fluctuation of the rotary tank and a low speed rotation control for gradually increasing the rotational speed of the rotary tank during the dehydration operation are executed. In the washing machine provided with a control means for performing re-execution of the dehydration operation from the stopped state of the rotary tub when the abnormal swing detection means is in the detection state during the dehydration operation, after shifting to the steady rotation control. When the dehydration operation is re-executed, the control means is configured to execute a preliminary start-up operation in which the rotary tank is rotated at a start-up speed lower than the start-up speed of the low-speed rotation control.
【０００７】また、制御手段を、予備始動運転時におい
て回転槽の回転数を段階的に変更すると共に、その変更
回数を異常揺動検出手段が検出状態となるまでの時間が
短くなるに従って増加させるように構成するようにして
もよい。Further, the control means changes the number of rotations of the rotary tank stepwise during the preliminary start-up operation, and increases the number of times of change as the time until the abnormal fluctuation detection means enters the detection state becomes shorter. You may make it comprise.
【０００８】[0008]
【作用】請求項１記載の洗濯機によれば、制御手段は、
脱水運転を実行するときは、回転数を順次高める低速回
転制御を実行した後に定常回転制御を実行する。According to the washing machine of claim 1, the control means comprises:
When the dewatering operation is executed, the low speed rotation control for sequentially increasing the rotation speed is executed and then the steady rotation control is executed.
【０００９】さて、回転槽に異常揺動が発生すると、異
常揺動検出手段が検出状態となるので、制御手段は、回
転槽を停止してから再度脱水運転を実行する。このと
き、制御手段は、低速回転制御の始動回転数よりも低い
回転数の予備始動運転を含んで脱水運転を実行するの
で、回転槽は最初の脱水運転よりも低い始動回転数で回
転される。従って、低速回転制御は、一層段階的に高ま
るように実行されるので、異常揺動の再発を防止するこ
とができる。When an abnormal rocking occurs in the rotary tank, the abnormal rocking detecting means enters the detection state, so that the control means stops the rotary tank and then executes the dehydration operation again. At this time, the control means executes the dehydration operation including the preliminary start-up operation at a rotational speed lower than the starting rotational speed of the low-speed rotation control, so that the rotary tank is rotated at the starting rotational speed lower than that at the first dehydration operation. . Therefore, the low speed rotation control is executed so as to be increased stepwise, so that it is possible to prevent recurrence of abnormal swing.
【００１０】また、請求項２記載の洗濯機によれば、制
御手段は、異常揺動検出手段が検出状態となるまでの時
間が短くなるに従って回転槽の回転数を段階的に増加す
るので、異常揺動の大きさにかかわらず異常揺動の再発
を防止することができる。According to another aspect of the washing machine of the present invention, the control means gradually increases the number of rotations of the rotary tub as the time until the abnormal swing detection means enters the detection state becomes shorter. It is possible to prevent recurrence of abnormal swing regardless of the magnitude of abnormal swing.
【００１１】[0011]
【実施例】以下、本発明の一実施例を図面を参照して説
明する。図２は洗濯機の概略構成を示している。この図
２において、外箱１内には水受槽２が吊持機構３を介し
て弾性支持されている。水受槽２には回転槽４が配設さ
れている。この回転槽４は機構部５を介して洗濯機モー
タ６と連結されており、洗濯機モータ６の回転に応じて
回転するようになっている。回転槽４の底面には撹拌体
７が配設されており、これは、洗い運転時及びすすぎ運
転時は機構部５によって正逆回転される。外箱１の上面
は蓋８により閉鎖されるようになっている。そして、水
受槽２からの排水通路９には排水弁１０が設けられてい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 shows a schematic configuration of the washing machine. In FIG. 2, a water receiving tank 2 is elastically supported in the outer box 1 via a suspension mechanism 3. The water receiving tank 2 is provided with a rotating tank 4. The rotating tub 4 is connected to the washing machine motor 6 via the mechanism portion 5 and is rotated according to the rotation of the washing machine motor 6. An agitator 7 is provided on the bottom surface of the rotary tank 4, and the agitator 7 is normally and reversely rotated by the mechanism portion 5 during the washing operation and the rinsing operation. The upper surface of the outer box 1 is closed by a lid 8. A drain valve 10 is provided in the drain passage 9 from the water receiving tank 2.
【００１２】図３は電気的構成を示すブロック図であ
る。この図３において、蓋スイッチ１１は、蓋８の開放
を検出したときにオン信号を制御手段たる運転制御回路
１２に出力する。電源スイッチ１３はオン状態で各回路
に給電すると共に、その給電状態でオン信号を運転制御
回路１２に出力する。異常揺動検出手段たる異常揺動検
出装置１４は、回転槽４の異常揺動を検出したときにオ
ン信号を運転制御回路１２に出力する。スイッチ入力部
１５はスタートスイッチ或はコース切替スイッチから成
り、これらのスイッチの操作状態を示す操作信号を運転
制御回路１２に出力する。水位センサ１６は、回転槽４
内の水位を示す水位信号を運転制御回路１２に出力す
る。回転数検知装置１７は例えば磁石とホール素子との
組合わせから成り、これは、洗濯機モータ６の回転数を
示す回転数信号を運転制御回路１２に出力する。FIG. 3 is a block diagram showing an electrical configuration. In FIG. 3, the lid switch 11 outputs an ON signal to the operation control circuit 12 as a control means when detecting the opening of the lid 8. The power switch 13 supplies power to each circuit in the ON state, and outputs an ON signal to the operation control circuit 12 in the supplied state. The abnormal swing detection device 14, which is the abnormal swing detection means, outputs an ON signal to the operation control circuit 12 when detecting the abnormal swing of the rotary tank 4. The switch input unit 15 is composed of a start switch or a course changeover switch, and outputs an operation signal indicating the operation state of these switches to the operation control circuit 12. The water level sensor 16 is the rotary tank 4
A water level signal indicating the water level inside is output to the operation control circuit 12. The rotation speed detection device 17 comprises, for example, a combination of a magnet and a hall element, which outputs a rotation speed signal indicating the rotation speed of the washing machine motor 6 to the operation control circuit 12.
【００１３】表示器１８は、運転制御回路１２からの表
示信号に応じた表示内容を表示する。また、ブザー１９
は、運転制御回路１２からの駆動信号に応じて鳴動音を
発生する。The display 18 displays the display content according to the display signal from the operation control circuit 12. Also, the buzzer 19
Generates a ringing sound in response to the drive signal from the operation control circuit 12.
【００１４】運転制御回路１２は回転数制御装置１２ａ
を含んで構成されている。この回転数制御装置１２ａは
例えばインバータから成り、これは、回転数検知装置１
７からの回転数に基づいて駆動回路２０を通じて洗濯機
モータ６を所定回転数で回転する。給水弁２１は、駆動
回路２２を通じて運転制御回路１２により駆動されたと
きは図示しない給水通路を開放する。排水弁１０は、駆
動回路２２を通じて運転制御回路１２により駆動された
ときは排水通路９を開放する。ブレーキ用電磁石２３
は、駆動回路２２を通じて運転制御回路１２により駆動
されたときは回転槽４の回転を停止する。The operation control circuit 12 is a rotation speed control device 12a.
It is configured to include. This rotation speed control device 12a is composed of, for example, an inverter, and this is the rotation speed detection device 1
Based on the rotation speed from 7, the washing machine motor 6 is rotated at a predetermined rotation speed through the drive circuit 20. The water supply valve 21 opens a water supply passage (not shown) when driven by the operation control circuit 12 through the drive circuit 22. The drain valve 10 opens the drain passage 9 when driven by the operation control circuit 12 through the drive circuit 22. Brake electromagnet 23
Stops the rotation of the rotary tank 4 when driven by the operation control circuit 12 through the drive circuit 22.
【００１５】運転制御回路１２はマイクロコンピュータ
から成り、これは、スイッチ入力部１５に設定された運
転コースに従って洗濯機モータ６，給水弁２１，排水弁
１０及びブレーキ用電磁石２３等を適宜駆動して洗い運
転，すすぎ運転，脱水運転を実行するようになってい
る。また、運転制御回路１２は、脱水運転中に異常揺動
検出装置１４が検出状態となったときは、ブレーキ用電
磁石２３を駆動して回転槽４の回転を停止すると共に、
給水弁２１を駆動して回転槽４に給水してから脱水運転
を再実行するようになっている。この場合、運転制御回
路１２は、脱水運転を再実行するときは最初の回転数制
御と異なる回転数制御を実行するようになっている。The operation control circuit 12 is composed of a microcomputer, which appropriately drives the washing machine motor 6, the water supply valve 21, the drain valve 10, the brake electromagnet 23 and the like according to the operation course set in the switch input section 15. It is designed to perform washing operation, rinsing operation, and dehydration operation. Further, the operation control circuit 12 drives the brake electromagnet 23 to stop the rotation of the rotary tub 4 when the abnormal fluctuation detection device 14 is in the detection state during the dehydration operation, and
The water supply valve 21 is driven to supply water to the rotary tub 4, and then the dehydration operation is re-executed. In this case, the operation control circuit 12 is configured to execute the rotation speed control different from the initial rotation speed control when the dehydration operation is re-executed.
【００１６】次に上記構成の作用について説明する。図
１は運転制御回路１２の概略的動作を示すフローチャー
トである。この図１において、運転制御回路１２は、脱
水運転を実行するときは、予め設定された回転数制御を
実行する（ステップＳ1 ）。即ち、運転制御回路１２
は、脱水運転を実行するときは、図４に示すように回転
槽４が３００rpm の始動回転数で回転するように回転数
制御装置１２ａに指令する。これにより、回転数制御装
置１２ａは、回転数検知装置１７からの回転数信号に基
づいて回転槽４が３００rpm の始動回転数で回転するよ
うに洗濯機モータ６を制御する。続いて、運転制御回路
１２は、２０秒が経過したところで回転数制御装置１２
ａに６００rpm の回転数で回転槽４を回転するように指
令し、さらに２０秒が経過したところで８００rpm の回
転数で回転槽４を回転するように指令する。これによ
り、回転数制御装置１２ａは、回転槽４を始動回転数で
ある３００rpm に続いて６００rpm で２０秒間回転する
低速回転制御を実行してから、それ以降は８００rpm で
回転する定常回転制御に移行する。そして、運転制御回
路１２は、脱水時間が終了したところで脱水運転を終了
する。Next, the operation of the above configuration will be described. FIG. 1 is a flowchart showing a schematic operation of the operation control circuit 12. In FIG. 1, the operation control circuit 12 executes preset rotation speed control when executing the dehydration operation (step S1). That is, the operation control circuit 12
When executing the dehydration operation, the command to the rotation speed control device 12a causes the rotary tank 4 to rotate at a starting rotation speed of 300 rpm as shown in FIG. Thereby, the rotation speed control device 12a controls the washing machine motor 6 so that the rotary tub 4 rotates at the starting rotation speed of 300 rpm based on the rotation speed signal from the rotation speed detection device 17. Subsequently, the operation control circuit 12 determines that the rotation speed control device 12 has reached after 20 seconds have elapsed.
Then, a is instructed to rotate the rotary tank 4 at a rotation speed of 600 rpm, and when 20 seconds have passed, it is instructed to rotate the rotary tank 4 at a rotation speed of 800 rpm. As a result, the rotation speed control device 12a executes the low-speed rotation control in which the rotation tank 4 is rotated at 600 rpm for 20 seconds after the starting rotation speed of 300 rpm, and thereafter shifts to the steady rotation control in which it is rotated at 800 rpm. To do. Then, the operation control circuit 12 ends the dehydration operation when the dehydration time ends.
【００１７】さて、上述した脱水運転中に回転槽４に収
納された洗濯物が回転に伴って回転槽４の一方に偏るア
ンバランス状態となったときは、回転槽４に異常揺動が
発生して異常揺動検出装置１４が検出状態となる。する
と、運転制御回路１２は、ステップＳ2 からステップＳ
4 に移行することによりブレーキ用電磁石２３を駆動し
て回転槽４の回転を停止すると共に、給水弁２１を駆動
して回転槽４に給水してアンバランス状態を修正する
（ステップＳ4 ）。そして、運転制御回路１２は、図５
に示す回転数制御を実行するように回転数制御装置１２
ａに変更指令する（ステップＳ5 ）。即ち、運転制御回
路１２は、回転数制御装置１２ａに回転槽４を２００rp
m で２０秒間回転させる予備始動運転を指令してから図
４に示した最初の脱水運転を回転するように指令する。
これにより、回転槽４は脱水運転の当初に２００RPM で
２０秒間回転されるので、最初の脱水運転の低速回転制
御の始動回転数である３００rpm よりも低い始動回転数
で回転槽４が回転するようになる。この結果、脱水運転
が再実行されるときの低速回転制御は、最初の脱水運転
の低速回転制御よりも一層段階的に高まるように実行さ
れるようになるので、最初の脱水運転により異常揺動が
発生するにしても、脱水運転の再実行時は異常揺動の再
発を防止することができる。そして、脱水運転の再実行
により脱水時間が終了したところで、運転制御回路１２
は、脱水運転を終了する。When the laundry stored in the rotary tub 4 becomes unbalanced to one side of the rotary tub 4 due to the rotation during the above-described dehydration operation, the rotary tub 4 abnormally swings. Then, the abnormal rocking | fluctuation detection apparatus 14 will be in a detection state. Then, the operation control circuit 12 proceeds from step S2 to step S2.
By shifting to 4, the brake electromagnet 23 is driven to stop the rotation of the rotary tub 4, and the water supply valve 21 is driven to supply water to the rotary tub 4 to correct the unbalanced state (step S4). The operation control circuit 12 is shown in FIG.
The rotation speed control device 12 so as to execute the rotation speed control shown in FIG.
A change command is issued to a (step S5). That is, the operation control circuit 12 causes the rotation speed control device 12a to rotate the rotary tank 4 to 200 rp.
A pre-starting operation in which m is rotated for 20 seconds is commanded, and then a command is issued to rotate the first dewatering operation shown in FIG.
As a result, the rotating tank 4 is rotated at 200 RPM for 20 seconds at the beginning of the dehydration operation, so that the rotating tank 4 is rotated at a starting rotation speed lower than 300 rpm which is the starting rotation speed of the low speed rotation control of the first dehydration operation. become. As a result, the low-speed rotation control when the dehydration operation is re-executed is executed so as to be increased in stages more than the low-speed rotation control of the first dehydration operation. Even if occurs, it is possible to prevent the abnormal fluctuation from recurring when the dehydration operation is re-executed. Then, when the dehydration time ends by re-execution of the dehydration operation, the operation control circuit 12
Ends the dehydration operation.
【００１８】また、例えば脱水運転開始から５秒以内に
異常揺動が発生したときは、異常揺動が特に顕著である
と判断できるので、運転制御回路１２は、ステップＳ5
において図６に示す回転パターンで回転槽４を回転する
ように回転数制御装置１２ａに変更指令する。即ち、運
転制御回路１２は、回転槽４を１００rpm で２０秒間回
転するのに続いてから２００rpm で２０秒間回転した後
に、図４に示す最初の回転パターンで脱水運転を実行す
る。これにより、脱水運転の再実行時において１００rp
m で２０秒間の回転がさらに付加された状態で回転槽４
が回転するので、異常揺動が顕著な場合であっても、異
常揺動の再発を防止して脱水運転を再実行することがで
きる。Further, for example, when the abnormal swing occurs within 5 seconds from the start of the dehydration operation, it can be judged that the abnormal swing is particularly remarkable.
In step 6, the rotation speed control device 12a is instructed to change the rotation tank 4 in the rotation pattern shown in FIG. That is, the operation control circuit 12 executes the dehydration operation in the first rotation pattern shown in FIG. 4 after rotating the rotary tank 4 at 100 rpm for 20 seconds and then rotating at 200 rpm for 20 seconds. As a result, 100 rp is re-executed when re-execution of the dehydration
Rotating tank 4 with additional rotation for 20 seconds at m
Even if the abnormal swing is remarkable, the dehydration operation can be re-executed while preventing the abnormal swing from recurring.
【００１９】上記構成のものによれば、異常揺動の発生
により脱水運転を再実行するときは、最初の脱水運転の
低速制御運転の始動回転数よりも低い始動回転数で回転
する予備始動運転を含んで実行するようにしたので、脱
水運転を再実行するときは最初の脱水運転の回転制御を
単に繰返すだけの従来例と違って、異常揺動の再発を防
止しながら脱水運転を確実に実行することができる。According to the above-mentioned structure, when the dehydration operation is re-executed due to the occurrence of abnormal fluctuation, the preliminary startup operation in which the rotation speed is lower than the startup speed of the low speed control operation of the first dehydration operation. Therefore, when re-executing the dehydration operation, unlike the conventional example in which the rotation control of the first dehydration operation is simply repeated, the dehydration operation is reliably performed while preventing the recurrence of abnormal fluctuation. Can be executed.
【００２０】尚、上記実施例では、脱水運転を再実行す
るときは、予備始動運転に続けて最初の回転数制御を実
行するようにしたが、予備始動運転に続ける回転数制御
としては、最初の脱水運転の回転数制御と異なる回転数
制御を実行するように運転制御回路１２を構成するよう
にしてもよい。In the above embodiment, when the dehydration operation is re-executed, the first rotation speed control is executed after the preliminary start operation, but the first rotation speed control is executed after the preliminary start operation. The operation control circuit 12 may be configured to execute a rotation speed control different from the rotation speed control of the dehydration operation.
【００２１】[0021]
【発明の効果】以上の説明から明らかなように、請求項
１記載の洗濯機によれば、制御手段を、脱水運転を再実
行するときは、回転槽を低速回転制御の始動回転数より
も低い始動回転数で回転する予備始動運転を含んで実行
するように構成したので、脱水運転時に異常揺動が発生
したときは脱水運転を繰返すものにおいて、異常揺動の
再発を確実に防止することができるという優れた効果を
奏する。As is apparent from the above description, according to the washing machine of the first aspect, when the control means re-executes the dehydration operation, the rotation speed of the rotary tub is lower than the starting rotation speed of the low speed rotation control. Since it is configured to include the preliminary starting operation that rotates at a low starting rotation speed, when abnormal swings occur during the dehydration operation, it is necessary to reliably prevent the abnormal swings from recurring if the dehydration operation is repeated. It has an excellent effect that
【００２２】また、請求項２記載の洗濯機によれば、制
御手段を、予備始動運転時において回転槽の回転数を段
階的に変更すると共に、その変更回転を異常検出手段が
検出状態となるまでの時間が短くなるに従って増加させ
るように構成したので、異常揺動の大きさにかかわらず
異常揺動の再発を確実に防止することができる。According to another aspect of the washing machine of the present invention, the control means changes the number of rotations of the rotary tub in stages during the preliminary starting operation, and the changed rotation is detected by the abnormality detecting means. Since the time until is shortened is increased, the recurrence of the abnormal swing can be reliably prevented regardless of the magnitude of the abnormal swing.
【図１】本発明の一実施例を示す運転制御回路の動作を
示すフローチャートFIG. 1 is a flowchart showing the operation of an operation control circuit showing an embodiment of the present invention.
【図２】洗濯機の概略縦断面図FIG. 2 is a schematic vertical sectional view of a washing machine.
【図３】電気的構成を示すブロック図FIG. 3 is a block diagram showing an electrical configuration.
【図４】脱水運転時の回転制御を示す図FIG. 4 is a diagram showing rotation control during a dehydration operation.
【図５】異常揺動発生時の脱水運転時の回転制御を示す
図FIG. 5 is a diagram showing rotation control during dehydration operation when abnormal swing occurs.
【図６】異常揺動が短時間で発生した時の脱水運転の回
転制御を示す図FIG. 6 is a diagram showing rotation control of a dehydration operation when abnormal swing occurs in a short time.
４は回転槽、１２は運転制御回路（制御手段）、１２ａ
は回転数制御装置、１４は異常揺動検出装置（異常揺動
検出手段）である。4 is a rotary tank, 12 is an operation control circuit (control means), 12a
Is a rotation speed control device, and 14 is an abnormal swing detection device (abnormal swing detection means).
Claims (2)
出手段と、脱水運転時は回転槽の回転数を段階的に順次
高める低速回転制御を実行した後に定常回転制御に移行
すると共に、脱水運転時に前記異常揺動検出手段が検出
状態となったときは前記回転槽の停止状態から脱水運転
を再実行する制御手段とを備えた洗濯機において、 前記制御手段は、脱水運転を再実行するときは、前記回
転槽を前記低速回転制御の始動回転数よりも低い始動回
転数で回転する予備始動運転を含んで実行するように構
成されていることを特徴とする洗濯機。1. An abnormal fluctuation detecting means for detecting an abnormal fluctuation of a rotating tank, and a low speed rotation control for gradually increasing the number of rotations of the rotating tank during a dehydration operation, after which a steady rotation control is performed. A washing machine including a control unit that re-executes the dehydration operation from the stopped state of the rotary tub when the abnormal fluctuation detection unit is in the detection state during the dehydration operation, wherein the control unit re-executes the dehydration operation. When performing, the washing machine is configured to include a preliminary start-up operation in which the rotating tub is rotated at a starting rotation speed lower than a starting rotation speed of the low speed rotation control.
転槽の回転数を段階的に変更すると共に、その変更回数
を異常揺動検出手段が検出状態となるまでの時間が短く
なるに従って増加させるように構成されていることを特
徴とする請求項１記載の洗濯機。2. The control means gradually changes the number of rotations of the rotary tank during the preliminary starting operation, and increases the number of times of change as the time until the abnormal fluctuation detection means becomes the detection state becomes shorter. The washing machine according to claim 1, wherein the washing machine is configured as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4244737A JPH0691086A (en) | 1992-09-14 | 1992-09-14 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4244737A JPH0691086A (en) | 1992-09-14 | 1992-09-14 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0691086A true JPH0691086A (en) | 1994-04-05 |
Family
ID=17123144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4244737A Pending JPH0691086A (en) | 1992-09-14 | 1992-09-14 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0691086A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010036942A (en) * | 1999-10-12 | 2001-05-07 | 구자홍 | Method for breaking of Washing Machine |
| KR100547338B1 (en) * | 1999-10-13 | 2006-01-26 | 엘지전자 주식회사 | Breaking control method in an electric washing machine |
-
1992
- 1992-09-14 JP JP4244737A patent/JPH0691086A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010036942A (en) * | 1999-10-12 | 2001-05-07 | 구자홍 | Method for breaking of Washing Machine |
| KR100547338B1 (en) * | 1999-10-13 | 2006-01-26 | 엘지전자 주식회사 | Breaking control method in an electric washing machine |
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