JPH01314599A - Method for controlling running of hydroextractor - Google Patents
Method for controlling running of hydroextractorInfo
- Publication number
- JPH01314599A JPH01314599A JP63147323A JP14732388A JPH01314599A JP H01314599 A JPH01314599 A JP H01314599A JP 63147323 A JP63147323 A JP 63147323A JP 14732388 A JP14732388 A JP 14732388A JP H01314599 A JPH01314599 A JP H01314599A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- dehydration
- water
- hydroextracting
- rotational speed
- 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
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000005406 washing Methods 0.000 claims abstract description 30
- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 230000018044 dehydration Effects 0.000 claims description 117
- 238000006297 dehydration reaction Methods 0.000 claims description 117
- 238000001035 drying Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010981 drying operation Methods 0.000 claims 2
- 230000010355 oscillation Effects 0.000 abstract description 8
- 230000003292 diminished effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、洗濯槽と脱水槽とを備え、脱水槽で洗い運転
と脱水運転とを行う二槽式洗濯機の脱水機の運転制御方
法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for controlling the operation of a dehydrator in a two-tub washing machine, which is equipped with a washing tub and a dehydrating tub, and performs washing operation and dehydrating operation in the dehydrating tub. Regarding.
洗濯機構と脱水機構とを併設しである二槽式洗濯機は、
第４図に示すように外箱（１）内に洗濯槽（２）と脱水
槽（３）とを隣接させて設けたもので、この脱水槽（３
）は第５図に示すように、脱水受槽（４）の内側に設置
されている。A two-tub washing machine that has both a washing mechanism and a dehydrating mechanism,
As shown in Fig. 4, a washing tank (2) and a dehydration tank (3) are installed adjacent to each other in an outer box (1).
) is installed inside the dewatering tank (4) as shown in Fig. 5.
そして、底枠（５）に防振ハネ（６）を介して取付けた
脱水モーター（７）の回転軸（８）と、脱水槽（３）の
下部に突出した脱水軸（９）とをカップリング（１０）
を介して連結し、脱水モーター（７）で脱水槽（３）を
回転させるようにしである。図中（１１）は回転軸（８
）、脱水軸（９）をそれぞれカップリング（１０）に固
定するためのネジであり、また、脱水槽（３）にはその
周囲側壁に排水用の脱水孔（１２）が穿設しである。Then, the rotating shaft (8) of the dehydrating motor (7) attached to the bottom frame (5) via the anti-vibration spring (6) and the dehydrating shaft (9) protruding from the bottom of the dehydrating tank (3) are connected to the cup. ring (10)
The dehydration tank (3) is rotated by the dehydration motor (7). In the figure (11) is the rotation axis (8
) and are screws for fixing the dehydration shaft (9) to the coupling (10), respectively, and the dehydration tank (3) has a dehydration hole (12) for drainage in the side wall around it. .
かかる脱水槽（３）での脱水運転の制御方法として、従
来、例えば実公昭４９−２５４９１号公報に示されてい
るものがある。これは、脱水率の悪い布の場合は強い回
転力で脱水し、脱水率のよい布の場合は少ない回転数で
適当時間脱水して、常に布地に適した回転数で脱水しよ
うとするもので、その制御回路を第６図について説明す
る。As a method of controlling the dehydration operation in the dehydration tank (3), there is a conventional method disclosed in, for example, Japanese Utility Model Publication No. 49-25491. This method uses a strong rotational force to dehydrate fabrics with a poor dehydration rate, and dehydrates fabrics with a good dehydration rate at a low rotational speed for an appropriate amount of time. , its control circuit will be explained with reference to FIG.
（７）は脱水モーター、（１３）は誘電コイル、（１４
）は誘電コイル（１３）の一端に接続された起動用コン
デンサ、（１５）はタイムスイッチ、（１６）は電ａ
（１７）に直列に接続されたタイムスイッチ（１５）の
時限接点、（１８）は時限接点（１６）の固定接点側を
分岐して設けた時限接点で、これは円弧部と歯状部を有
するカム（１９）等からなる間欠連動機構と連動する。(7) is a dehydration motor, (13) is an induction coil, (14)
) is a starting capacitor connected to one end of the dielectric coil (13), (15) is a time switch, and (16) is an electric a
(17) is a time contact of the time switch (15) connected in series, and (18) is a time contact provided by branching off the fixed contact side of the time contact (16), which has a circular arc part and a toothed part. It is interlocked with an intermittent interlocking mechanism consisting of a cam (19) and the like.
（２０）は制御回路の切換スイッチで時限接点（１６）
の固定接点側で分岐して設けた固定接点Ａと、時限接点
（１８）と接続される固定接点Ｂとを選択するものであ
る。(20) is a control circuit changeover switch and a time contact (16)
The fixed contact A is branched and provided on the fixed contact side of the fixed contact, and the fixed contact B is connected to the time contact (18).
このような構造の脱水機で脱水運転を行うには、任意の
時間を設定して時限接点（１６）を閉路し、切換スイッ
チ（２０）を固定接点へに接続すれば、第７図の曲ｖＡ
（イ）に示すように時間の経過とともに回転数が増加し
、強い脱水力を得ることができる。また、切換スイッチ
（２０）を固定接点Ｂに接続すれば、カム（１９）が駆
動し連動機構が円弧部を摺動する時限となる。すなわち
、曲線（ロ）に示すように脱水モーター（７）の回転数
が０より約１５０Ｏｒｐｍ程度に達するまでは時限接点
（１８）は閉路し、その後は歯状部によって数秒間毎に
時限接点の開閉を繰り返すことで、ある一定の回転数に
達したところで安定した低速回転を続行し弱い回転力を
得るようにしている。To perform dehydration operation with a dehydrator with such a structure, set an arbitrary time, close the time contact (16), and connect the changeover switch (20) to the fixed contact. vA
As shown in (a), the rotational speed increases over time, making it possible to obtain strong dewatering power. Furthermore, when the changeover switch (20) is connected to the fixed contact B, the cam (19) is driven and the interlocking mechanism slides on the arc portion. That is, as shown in the curve (b), the time contact (18) is closed until the rotation speed of the dehydration motor (7) reaches approximately 150 rpm from 0, and thereafter the time contact (18) is closed every few seconds by the toothed portion. By repeatedly opening and closing, it continues to rotate at a stable low speed once it reaches a certain number of rotations, producing a weak rotational force.
ところで、脱水槽（３）を回転させた時の、角速度と振
動量とは第８図に示すように、横軸に角速度Ｗ３、縦軸
に振動量をとると、振動量は角速度Ｗと共に増大し、脱
水槽（３）、回転軸（８）、脱水軸（９）、脱水モータ
ー（７）、ネジ（１１）、防振ハ２（６）等全てを含ん
だ防振系の固有振動数Ｗ、の点で最大となり、その後下
降し、ある値で一定となる。By the way, the angular velocity and the amount of vibration when rotating the dehydration tank (3) are as shown in Figure 8. If the horizontal axis is the angular velocity W3 and the vertical axis is the vibration amount, the amount of vibration increases with the angular velocity W. The natural frequency of the vibration isolation system including the dehydration tank (3), rotating shaft (8), dehydration shaft (9), dehydration motor (7), screws (11), vibration isolator 2 (6), etc. It reaches a maximum at point W, then decreases, and becomes constant at a certain value.
かかる角速度と振動量の関係は、前記従来例においても
あてはまるもので、第７図に示すように、脱水槽（３）
が停止状態から回転を開始する初期の角加速度は（ｄｗ
、、／ｄＴ、）＝α、となっており、この角加速度α１
は脱水機を全速運転する場合も間欠運転する場合も同様
で、脱水機の固有振動数付近で最大の振動量となってい
る。This relationship between the angular velocity and the amount of vibration also applies to the conventional example, and as shown in FIG.
The initial angular acceleration when starts rotating from a stopped state is (dw
, , /dT, )=α, and this angular acceleration α1
This is the same whether the dehydrator is operated at full speed or intermittently, and the amount of vibration is maximum near the natural frequency of the dehydrator.
他方、洗濯物の量が少ないときは、この脱水槽（３）で
脱水運転のみならず洗い運転を行うこともあり、洗い運
転に続く脱水運転においては、洗いに使用した水をこの
脱水工程で排水するようにしており、排水の方法として
は、脱水と同様に、脱水モーター（７）に通電して脱水
槽（３）を回転させ、その回転の遠心力により、脱水槽
（３）に設けた脱水孔（１２）から脱水槽（３）内の水
を外部に排出する。On the other hand, when the amount of laundry is small, this dehydration tank (3) may perform not only dehydration operation but also washing operation, and in the dehydration operation that follows the washing operation, the water used for washing is used in this dehydration process. As with dewatering, the dehydrating motor (7) is energized to rotate the dehydrating tank (3), and the centrifugal force of the rotation is used to remove water from the dehydrating tank (3). The water in the dehydration tank (3) is discharged to the outside from the dehydration hole (12).
洗濯槽で洗い運転を行い、その後、洗濯物を脱水槽で脱
水する場合は、脱水槽内には衣類が投入されるだけなの
で、脱水槽の重心は衣類を投入した時点である程度定ま
っており、脱水運転進行中もこの重心位置はほとんど変
わらない。よって、脱水運転開始後、脱水槽の回転数が
高くなるにしたがい、衣類に含まれている水分が徐々に
排出され、全速運転の場合は全回転に、間欠運転の場合
は所定の回転数にそれぞれスムーズに立上がることがで
きる。When washing is performed in the washing tub and then the laundry is dehydrated in the spin-drying tank, the center of gravity of the spin-drying tank is determined to some extent when the clothes are placed in the spin-drying tank, as the clothes are simply thrown into the spin-drying tank. This center of gravity position hardly changes even during dehydration operation. Therefore, as the rotation speed of the dehydration tank increases after the start of dehydration operation, the moisture contained in the clothes is gradually discharged, and the rotation speed decreases to full rotation in the case of full-speed operation, or to a predetermined rotation speed in the case of intermittent operation. Each can stand up smoothly.
しかし、脱水槽側で洗い運転を行い、そのまま同じ脱水
槽で脱水運転を行って、この脱水工程で洗いに使用した
水を排水させようとする場合は、脱水槽を回転すると槽
内の水が回転により動き、この水の動きによって脱水槽
の重心位置が回転とともに大きく変わり、この重心変動
が偏芯荷重として脱水槽に作用することとなる。However, if you perform washing operation on the dehydration tank side, then perform dehydration operation in the same dehydration tank, and then drain the water used for washing in this dehydration process, rotating the dehydration tank will drain the water in the tank. It moves due to rotation, and the movement of this water causes the position of the center of gravity of the dehydration tank to change significantly as it rotates, and this change in the center of gravity acts on the dehydration tank as an eccentric load.
その結果、脱水槽が揺れて脱水受槽にぶつかり、スムー
ズに全回転、あるいは所定の回転に達することができな
いという不都合が生じていた。As a result, the dehydration tank shakes and collides with the dehydration receiving tank, resulting in an inconvenience in that the dehydration tank cannot smoothly reach a full rotation or a predetermined rotation.
この偏芯荷重は、脱水槽と内部の水とが滑っているとき
、すなわち脱水槽の加速に内部の水が追従しきれない間
はそれ程大きいものではないが、内部の水の回転速度が
脱水槽の回転速度に追いついた時にはかなり大きな偏芯
荷重となる。This eccentric load is not so large when the dehydration tank and the water inside are slipping, that is, when the internal water cannot follow the acceleration of the dehydration tank, but the rotational speed of the internal water is When it catches up with the rotational speed of the aquarium, it becomes a fairly large eccentric load.
また、脱水槽の揺れは、前記のごとくその固有振動数で
最大となるが、脱水槽での洗い運転に続く脱水運転では
、槽内に人っている水によって脱水槽の全体重量が大き
くなっているために、固有振動数付近を通過するのにあ
る程度の時間を要する。その結果、この固有振動数付近
で脱水槽が特に大きく揺れて脱水受槽にぶつかるおそれ
があった。Furthermore, as mentioned above, the shaking of the dehydration tank reaches its maximum at its natural frequency, but during the dehydration operation that follows the washing operation in the dehydration tank, the overall weight of the dehydration tank increases due to the water inside the tank. Because of this, it takes a certain amount of time to pass around the natural frequency. As a result, there was a risk that the dehydration tank would shake particularly strongly around this natural frequency and collide with the dehydration receiving tank.
本発明の目的は前記従来例の不都合を解消し、脱水槽で
の洗い運転に続けて脱水運転を行う場合に、槽内の水の
動きが脱水槽の回転速度と同期して偏芯荷重となるのを
防止し、また固有振動数付近を早く通過するようにして
脱水槽が大きく揺れるのを防止し、所定の回転数による
回転にスムーズに達することのできる脱水機の運転制′
４１１１方法を提供することにある。The purpose of the present invention is to eliminate the disadvantages of the conventional example, and to provide a system in which, when a dehydration operation is performed following a washing operation in a dehydration tank, the movement of water in the tank is synchronized with the rotational speed of the dehydration tank, resulting in an eccentric load. The dehydrator operation control system prevents the dehydrating tank from shaking significantly by passing around the natural frequency quickly, and allows the dehydrating machine to smoothly reach the specified rotational speed.
4111 method.
〔課題を解決するための手段〕 ゛本発明は前記目
的を達成するため、洗濯槽と脱水槽とを備え、脱水槽で
洗い運転と脱水運転とを行い、この脱水運転時の初期の
段階で洗い終了後の排水を行う二槽式洗濯機において、
脱水槽、脱水モーター等の防振系機構の固有振動回転数
を脱水槽内から水を排出させる遠心力を生じさせる回転
数よりも高く設定し、排水時の脱水槽の回転数を前記排
水のための遠心力を生じさせる回転数以上でかつ前記固
有振動回転数以下の回転数に設定し、脱水運転初期の排
水時の角加速度よりも大きな角加速度で排水後の脱水時
に固有振動回転数を通過するようにしたことを要旨とす
るものである。[Means for Solving the Problems] In order to achieve the above object, the present invention includes a washing tank and a dehydration tank, performs a washing operation and a dehydration operation in the dehydration tank, and performs a washing operation and a dehydration operation in the dehydration tank in the initial stage of the dehydration operation. In a two-tub washing machine that drains water after washing,
The natural vibration rotation speed of the vibration isolation system mechanism such as the dehydration tank and the dehydration motor is set higher than the rotation speed that generates the centrifugal force that discharges water from the dehydration tank, and the rotation speed of the dehydration tank during draining is set to The rotation speed is set to a rotation speed that is higher than the rotation speed that generates the centrifugal force and lower than the above-mentioned natural oscillation rotation speed, and the natural oscillation rotation speed is set at a rotation speed that is larger than the angular acceleration during drainage at the beginning of the dewatering operation to increase the natural oscillation rotation speed during dewatering after draining. The gist of this is that it has been made to pass.
本発明によれば、脱水槽での洗い運転に続けて同種で脱
水運転を行い、この脱水運転の初期の段階で排水を行う
場合、脱水槽から水を排出させる遠心力を生じさせる回
転数以上でかつ脱水槽等の防振系機構の固を振動回転数
以下の回転数で排水時に脱水槽が回転する。よって、こ
の排水時には脱水槽の回転数が固有振動回転数と一致し
ないから、脱水槽が大きく揺れることはない。そして排
水後の脱水時に、脱水槽の回転数が固有振動回転数に達
したところでは、排水により脱水槽全体の重置が軽くな
っているので大きな角加速度でこの固有振動回転数を通
過でき、ここで脱水槽が太き（揺れることはない。According to the present invention, when a washing operation in a dehydration tank is followed by a dehydration operation in the same type and drainage is performed in the initial stage of this dehydration operation, the rotation speed is higher than that which generates the centrifugal force that discharges water from the dehydration tank. The dehydration tank rotates at a rotational speed lower than the vibration rotational speed of the vibration-proof mechanism such as the dehydration tank when draining water. Therefore, during this drainage, the rotation speed of the dehydration tank does not match the natural vibration rotation speed, so the dehydration tank does not shake significantly. When the rotation speed of the dehydration tank reaches the natural oscillation speed during dehydration after draining, the dehydration tank is less stacked due to drainage, so it can pass through this natural oscillation speed with a large angular acceleration. Here, the dehydration tank is thick (it won't shake).
以下、図面について本発明の実施例を詳細に説明する。 Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図は本発明の脱水機の運転制御方法の第１実施例を
示す通電時間と角速度との関係を示す特性曲線図で、本
発明方法で使用する脱水機は第５図について既に説明し
た従来例と同様であるから、ここでの詳細な説明は省略
する。FIG. 1 is a characteristic curve diagram showing the relationship between energization time and angular velocity, showing the first embodiment of the method for controlling the operation of a dehydrator according to the present invention. Since this is the same as the conventional example, detailed explanation will be omitted here.
本発明の運転制御方法は、脱水槽（３）で洗い運転を行
った後、これに続けて該脱水槽（３）で排水、脱水運転
を行う場合、まず脱水モーター（７）に時間ｔ、たけ通
電して脱水槽（３）を回転させる。この初期ｉｌｌ電時
間ｔ１における脱水槽（３）の回転数は、脱水槽（３）
に設けである脱水孔（１２）から水を排出させるための
遠心力を生じさせる回転数Ｗ２以上で、かつ、脱水槽（
３）、脱水モーター（７）、回転軸（８）、脱水軸（９
）、ネジ（１１） 、防振ハネ（６）等全てを含んだ防
振系機構の固有振動回転数以下に設定しておく。In the operation control method of the present invention, when a washing operation is performed in the dehydration tank (3) and then a draining and dehydration operation is performed in the dehydration tank (3), first, the dehydration motor (7) is operated for a time t, Turn on the current to rotate the dehydration tank (3). The rotation speed of the dehydration tank (3) at this initial illumination time t1 is
The rotation speed is W2 or more that generates centrifugal force to discharge water from the dehydration hole (12) provided in the dehydration tank (
3), dehydration motor (7), rotation shaft (8), dehydration shaft (9)
), screws (11), anti-vibration springs (6), etc., should be set below the natural vibration rotation speed of the anti-vibration system mechanism.
よって、この初回通電時間ｔ、の間に、脱水槽（３）の
回転によりその内部の水が回転し、遠心力で脱水槽（３
）の内周壁にそって立上がり脱水孔（１２）を通って槽
外に排出される。この時、脱水槽（３）の回転数は、固
有振動回転数Ｗ１には達していないから、脱水槽（３）
が大きく揺れることはない。この間の水を多く含み重量
の大きい状態での脱水槽（３）の角加速度は（ｄＷｚ／
ｄｔｚ）−α２で表わされる。Therefore, during this initial energization time t, the water inside the dehydration tank (3) rotates due to the rotation of the dehydration tank (3), and the water inside the dehydration tank (3) rotates due to the centrifugal force.
) rises along the inner circumferential wall of the tank and is discharged to the outside of the tank through the dewatering hole (12). At this time, the rotation speed of the dehydration tank (3) has not reached the natural vibration rotation speed W1, so the rotation speed of the dehydration tank (3) has not reached the natural vibration rotation speed W1.
does not sway significantly. During this time, the angular acceleration of the dehydration tank (3) in a heavy state containing a lot of water is (dWz/
dtz) - α2.
次に、脱水モーター（７）への通電を停止し、脱水槽（
３）の回転を止め、その後、再び脱水モーター（７）に
通電し脱水槽（３）を回転させて、槽内の水を前記第１
回目の通電時と同様にして排出する。Next, turn off the power to the dehydration motor (7) and turn off the dehydration tank (
3) is stopped, and then the dehydration motor (7) is energized again to rotate the dehydration tank (3) and the water in the tank is drained into the first tank.
It is discharged in the same manner as when the power is turned on for the second time.
この第２回目の通電時には、第１回目の通電時に脱水槽
（３）内の水の一部が既に排出され脱水槽（３）内の重
量が減少しているため、第１回目の通電時間１．よりも
短い通電時間Ｌ２で所定の同転故に達する。At the time of this second energization, some of the water in the dehydration tank (3) has already been discharged and the weight in the dehydration tank (3) has decreased during the first energization, so the time required for the first energization is 1. A predetermined synchronization failure is reached in a shorter energization time L2.
このようにして脱水モーター（７）への通電非通電の繰
返しによる間欠運転を行い、この間に脱水槽（３）内の
洗い水を徐々に排出する。In this way, the dewatering motor (7) is operated intermittently by repeating energization and de-energization, and during this period, the wash water in the dehydration tank (3) is gradually discharged.
これにより、脱水槽（３）内の重量が次第に軽くなり、
通電時間が１．＞１．＞１．＞１．となるにしたがい、
角加速度が次第に大きくなる。そして、このような低速
回転による間欠運転の後に、脱水モーター（７）に連続
通電して全速脱水に移行する。この時点では脱水槽（３
）内の水の量は前記のように間欠運転により排水され少
なくなっているので、角加速度（ｄｗ、／ｄｔ３）−α
３は間欠脱水時の角加速度α２よりも大きくなっている
。よって、固有振動回転数Ｗ１付近を大きな角加速度α
、により短時間で通過でき、脱水槽（３）に生じる共振
による振動を抑えることができて脱水槽（３）が大きく
揺れることはない。As a result, the weight inside the dehydration tank (3) gradually becomes lighter.
The energizing time is 1. >1. >1. >1. Accordingly,
The angular acceleration gradually increases. After such intermittent operation with low speed rotation, the dewatering motor (7) is continuously energized to shift to full speed dewatering. At this point, the dehydration tank (3
) is drained and decreased due to intermittent operation as mentioned above, so the angular acceleration (dw, /dt3) - α
3 is larger than the angular acceleration α2 during intermittent dehydration. Therefore, a large angular acceleration α near the natural vibration rotational speed W1
, the dehydration tank (3) can be passed through in a short time, and vibrations caused by resonance occurring in the dehydration tank (3) can be suppressed, so that the dehydration tank (3) does not shake significantly.
前記した第１実施例は脱水運転初期の段階における排水
を行うための低速回転運転として、脱水モーター（７）
への通電後、通電を停止し脱水モーター（７）が−旦停
止してから再通電を行うようにした間欠運転としたが、
これに限定されるものではなく、第２実施例として第２
図に示すように、通電停止後、脱水モーター（７）が停
止するのを待たずに再Ａ電する間欠運転としてもよい。In the first embodiment described above, the dewatering motor (7) is operated as a low-speed rotating operation for draining water in the initial stage of the dewatering operation.
After energizing, the energization was stopped, and the dehydration motor (7) was stopped for a moment before being energized again, resulting in intermittent operation.
The present invention is not limited to this, and the second example is a second embodiment.
As shown in the figure, intermittent operation may be performed in which the A current is restarted without waiting for the dehydration motor (7) to stop after the energization is stopped.
また、第３実施例として第３図に示すように、間欠運転
とせずに、遠心力を生じさせる回転数以上でかつ固有振
動回転数以下の低速回転で連続的に脱水槽（３）を回転
させて徐々に排水する方法も可能である。In addition, as shown in FIG. 3 as a third embodiment, the dewatering tank (3) is continuously rotated at a low speed that is higher than the rotation speed that generates centrifugal force and lower than the natural vibration rotation speed, without intermittent operation. It is also possible to drain the water gradually.
以丘述べたように本発明の脱水機の運転制御方法は、脱
水槽での洗い運転に続けて同種で脱水運転を行い、この
脱水運転の初期の段階で排水を行う場合、脱水槽から内
部の水を排出させる遠心力を生じさせる回転数以上でか
つ脱水槽等の固有振動回転数以下の回転数で排水時に脱
水槽を回転させるようにしたので、排水時には固有振動
数を通過しないから脱水槽が大きく揺れてこれが脱水受
槽にぶつかるおそれがなく、スムーズに排水できる。As described above, the dehydrator operation control method of the present invention performs a washing operation in a dehydrating tank followed by a dehydrating operation in the same type, and when draining water in the early stage of this dehydrating operation, the internal water is removed from the dehydrating tank. The dehydration tank is rotated at a rotation speed that is higher than the rotation speed that generates the centrifugal force that causes water to be discharged, and lower than the natural vibration rotation speed of the dehydration tank, etc., so that the dehydration tank does not pass through the natural vibration frequency when draining. There is no risk of the water tank shaking violently and hitting the dewatering tank, allowing for smooth drainage.
そして、かかる排水の後に、全速回転による脱水を行う
ようにし、この時には脱水槽内の水量が減少して脱水槽
内重量が軽くなっているので、大きな角加速度で短時間
で固有振動回転数を通過でき、ｉｌ通過時も脱水槽が大
きく揺れるのを防止でき、スムーズに全速回転に移行す
ることができるものである。After this drainage, dehydration is performed by full speed rotation.At this time, the amount of water in the dehydration tank is reduced and the weight inside the dehydration tank is lighter, so the natural vibration rotation speed can be increased in a short time with a large angular acceleration. It is possible to prevent the dehydration tank from shaking greatly even when passing through the IL, and it is possible to smoothly shift to full speed rotation.
第１図は本発明の脱水機の運転制御方法の第１実施例を
示すｉ［電時間と脱水槽の角速度との関係を表す特性曲
線図、第２図は同上第２実施例を示す特性曲線図、尊３
図は同上第３実施例を示す特性曲線図、第４図は二槽式
洗濯機の全体斜視図、第５図は同上要部である脱水機の
縦断側面図、第６図は従来の脱水制御回路図、第７図は
同１通電時間と脱水槽の回転数との関係を示す特性曲線
図、第８図は脱水槽の角速度と振動量との関係を示す特
性曲線図である。
（１）・・・外箱 （２）・・・洗濯槽（３
）・・・脱水槽 （４）・・・脱水受槽（５）
・・・底枠 （６）・・・防振ハネ（７）・
・・脱水モーター （８）・・・回転軸（９）・・
・脱水軸 （１ｏ）・・・力、プリング（１１
）・・・ネジ （１２）・・・脱水孔（Ｉ３
）・・・誘電コイ／Ｌ、 （１４）・・・起動用
コンデンサ（１５）・・・タイムスイッチ （１６）・
・・時限接点（１７）・・・電源 （１８）
・・・時限接点（１９）・・・カム（２ｏ）・・・切換
スイッチ代理人 弁理士 大官 増雄
第２図
負
、、ＡＩ
−Ｈ通電時間
第３図
由
一一−−−−−−−−−シ、１ｈ、・４にロー−−シ１
第１４図
第Ｓ図
第６図
第７図
−＋醪Fig. 1 is a characteristic curve diagram showing the relationship between the electric time and the angular velocity of the dehydrating tank, and Fig. 2 is a characteristic curve showing the second embodiment of the same. Curve diagram, No. 3
The figure is a characteristic curve diagram showing the third embodiment of the same as above, Figure 4 is an overall perspective view of a two-tub washing machine, Figure 5 is a vertical side view of a dehydrator which is the main part of the same as above, and Figure 6 is a conventional dehydrator. FIG. 7 is a characteristic curve diagram showing the relationship between the energization time and the rotation speed of the dehydration tank, and FIG. 8 is a characteristic curve diagram showing the relationship between the angular velocity of the dehydration tank and the amount of vibration. (1)...Outer box (2)...Washing tub (3
)...Dehydration tank (4)...Dehydration tank (5)
... Bottom frame (6) ... Anti-vibration flap (7)
... Dehydration motor (8) ... Rotating shaft (9) ...
・Dehydration shaft (1o)...force, pulling (11
)...Screw (12)...Dehydration hole (I3
)...Dielectric coil/L, (14)...Starting capacitor (15)...Time switch (16)...
...Timed contact (17)...Power supply (18)
...Timed contact (19)...Cam (2o)...Changing switch agent Patent attorney Daikan Masuo Figure 2 negative, AI -H energization time Figure 3 Yuichi ---- ---Si, 1h, 4 to low--Si 1
Figure 14 Figure S Figure 6 Figure 7 - + Moromi
Claims (1)
とを行い、この脱水運転時の初期の段階で洗い終了後の
排水を行う二槽式洗濯機において、脱水槽、脱水モータ
ー等の防振系機構の固有振動回転数を脱水槽内から水を
排出させる遠心力を生じさせる回転数よりも高く設定し
、排水時の脱水槽の回転数を前記排水のための遠心力を
生じさせる回転数以上でかつ前記固有振動回転数以下の
回転数に設定し、脱水運転初期の排水時の角加速度より
も大きな角加速度で排水後の脱水時に固有振動回転数を
通過するようにしたことを特徴とする脱水機の運転制御
方法。In a two-tank washing machine that is equipped with a washing tank and a spin-drying tank, the spin-dry tank performs washing and spin-drying operations, and the water is drained after washing in the initial stage of the spin-drying operation, the spin-dry tank, spin-dry motor, etc. The natural vibration rotational speed of the vibration isolation system mechanism is set higher than the rotational speed that generates centrifugal force to drain water from the dehydration tank, and the rotational speed of the dehydration tank during drainage is set to generate the centrifugal force for draining water. The rotational speed is set to be higher than the rotational speed and lower than the natural vibrational rotational speed, so that the natural vibrational rotational speed is passed during dehydration after drainage with an angular acceleration greater than the angular acceleration during drainage at the initial stage of dewatering operation. A method for controlling the operation of a dehydrator, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63147323A JPH01314599A (en) | 1988-06-15 | 1988-06-15 | Method for controlling running of hydroextractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63147323A JPH01314599A (en) | 1988-06-15 | 1988-06-15 | Method for controlling running of hydroextractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01314599A true JPH01314599A (en) | 1989-12-19 |
Family
ID=15427586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63147323A Pending JPH01314599A (en) | 1988-06-15 | 1988-06-15 | Method for controlling running of hydroextractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01314599A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04208199A (en) * | 1990-11-30 | 1992-07-29 | Sanyo Electric Co Ltd | Drum type washing machine with acceleration sensor |
| US5171435A (en) * | 1990-08-27 | 1992-12-15 | Kabushiki Kaisha Toshiba | Dehydrator tub for clothes washing with controlled variable rotational speeds |
| US5979194A (en) * | 1997-08-29 | 1999-11-09 | Kabushiki Kaisha Toshiba | Motor speed control for washing machine |
-
1988
- 1988-06-15 JP JP63147323A patent/JPH01314599A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171435A (en) * | 1990-08-27 | 1992-12-15 | Kabushiki Kaisha Toshiba | Dehydrator tub for clothes washing with controlled variable rotational speeds |
| JPH04208199A (en) * | 1990-11-30 | 1992-07-29 | Sanyo Electric Co Ltd | Drum type washing machine with acceleration sensor |
| US5979194A (en) * | 1997-08-29 | 1999-11-09 | Kabushiki Kaisha Toshiba | Motor speed control for washing machine |
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