JPH0499590A - Washer - Google Patents
WasherInfo
- Publication number
- JPH0499590A JPH0499590A JP2407566A JP40756690A JPH0499590A JP H0499590 A JPH0499590 A JP H0499590A JP 2407566 A JP2407566 A JP 2407566A JP 40756690 A JP40756690 A JP 40756690A JP H0499590 A JPH0499590 A JP H0499590A
- Authority
- JP
- Japan
- Prior art keywords
- rotary blade
- washing
- motor
- time
- rotor
- 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
- 238000005406 washing Methods 0.000 claims abstract description 37
- 239000004744 fabric Substances 0.000 abstract description 24
- 230000018044 dehydration Effects 0.000 abstract description 18
- 238000006297 dehydration reaction Methods 0.000 abstract description 18
- 101150114468 TUB1 gene Proteins 0.000 abstract 2
- 238000011086 high cleaning Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
［０００１］ [0001]
本発明は、特に洗い、すすぎおよび脱水を自動的に進行
する遠心脱水洗たく機に関するものである。
［０００２］The present invention particularly relates to a centrifugal dehydrating washing machine that automatically performs washing, rinsing and dehydration. [0002]
従来この種の洗たく機としては、渦巻式、撹拌式、ドラ
ム式の洗たく機があるが、撹拌式は回転翼の機械的駆動
方式が複雑となり、かつ大きな電動機を必要とするとと
もに、洗浄力が弱いという欠点を有していた。ドラム式
は布傷みが少なく、使用水量が少なくてすむ等の利点を
有する反面、洗浄力が弱いという欠点があった。渦巻式
は、洗浄力は強いカミ布傷みが大きく、かつ布のからみ
が太きいという欠点がある。
［０００３］Conventionally, this type of washing machine includes a whirlpool type, a stirring type, and a drum type washing machine, but the stirring type has a complicated mechanical drive system for the rotary blades, requires a large electric motor, and has weak cleaning power. It had drawbacks. Although the drum type has advantages such as less damage to the cloth and less water consumption, it has the disadvantage of weak cleaning power. The disadvantage of the spiral type is that it has strong cleaning power, can cause a lot of damage to the cloth, and the cloth can become entangled. [0003]
そこで、本発明の目的は、渦巻式の欠点を撹拌方式をと
りいれて改良しようとするものである。
［０００４］Therefore, an object of the present invention is to improve the drawbacks of the spiral type by incorporating a stirring method. [0004]
本発明は、洗たく時には停止し、脱水時には高速で回転
する洗濯兼脱水槽と、この洗濯兼脱水槽の内側底部に設
けられる回転翼と、洗濯兼脱水槽および回転翼の回転駆
動を行なうモータを備え、洗たく時にはモータを正逆回
転させて回転翼を正逆回転させ、脱水時にはモータを一
方向に連続回転させて洗濯兼脱水槽と回転翼を一緒に一
方向に高速回転させる遠心脱水洗たく機において、回転
翼の外径と洗濯兼脱水槽の内径との比を０．５〜１とす
るとともに回転翼の丈を回転翼の外径よりも低くし、回
転翼の正逆回転速度が１１００ｒｐ〜２８０ ｒ ｐｍ
になるようにモータを回転させ、回転翼体の正回転およ
び逆回転を行なうモータの正回転および逆回転のＯＮ時
間をそれぞれ領５秒〜５秒とし、モータの正逆回転のＯ
Ｎ時間の間にとるモータ休止ＯＦＦ時間をほぼ（０，５
〜１）秒にしたことを特徴とするものである。
［０００５］The present invention comprises a washing and dehydrating tub that stops when washing is desired and rotates at high speed during spin drying, a rotary blade provided at the inner bottom of the washing and dehydrating tub, and a motor that rotationally drives the washing and dehydrating tub and the rotary blade. In a centrifugal dehydration washing machine, the motor is rotated forward and backward to rotate the rotor blades in the forward and reverse directions when washing is desired, and the motor is continuously rotated in one direction during dehydration to rotate the washing/dehydration tank and the rotor blades together at high speed in one direction. , the ratio of the outer diameter of the rotor blade to the inner diameter of the washing/dehydration tank is set to 0.5 to 1, and the length of the rotor blade is made lower than the outer diameter of the rotor blade, and the forward and reverse rotation speed of the rotor blade is 1100 rp~ 280rpm
The motor is rotated so that the forward and reverse rotations of the rotor blade body are performed.
The motor stop OFF time taken during N hours is approximately (0,5
~1) It is characterized by being made in seconds. [0005]
大径回転翼をゆっくりした回転で高頻度の反転を行なう
ので、はどほどの洗浄力を保ちつつ、布いたみおよび布
同志のからみが少ないのである。
［０００６］Since the large-diameter rotary blade rotates slowly and rotates frequently, it maintains a high level of cleaning power while minimizing fabric stains and tangles between fabrics. [0006]
以下本発明の実施例について図面に基づき説明する。図
１において、１は洗濯兼脱水槽（バスケット）で、上部
にバランサー２が取り付けられている。バスケット１の
壁面には脱水孔３が形成されている。バスケット１の内
底部には大形の回転翼４が設けられている。回転翼４は
モータ（図示せず）より洗たくおよびすすぎ時に正逆転
の回転が行なわれる。
［０００７］
バスケット１は脱水時にモータにより高速回転が行なわ
れる。この時は回転翼４も一緒に回転する。
［０００８］
回転翼４は外径ｄ２バスケット１の内径りとの比ｄ２／
Ｄを０．５〜１に設定したものである。また回転翼４の
丈Ｈは外径ｄ２よりも低いものである。図２において布
傷みと回転翼回転数の関数をとると、現在製品レベルは
、回転翼回転数３８Ｏｒｐｍにて回転翼外径を約２００
ｍｍにし、かつバスケット径を３９０ｍｍに設定したと
きの布傷みを１とすると、例えば回転翼外径ｄ２を約３
００ｍｍ位にすると回転翼回転数を２８Ｏｒｐｍ以下に
すると布傷みは、洗たく物量２．８ｋｇを３．３６
ｋｇに単純に増加しても現在製品レベルよりも低減でき
ることが実験的に確認できた。
［０００９］
このときの洗浄性能は、図３に示す如く、２８０ｒｐｍ
の場合４０％も向上することが確認できた。しかしなが
ら回転翼の羽根径を大きくすると、図４に示すように洗
たく物同志のねじれ、からみつきによる布からみが大き
くなり、それに比例して布の傷みも増加するとともにモ
ータの入力も非常に大きくなることが確認できた。これ
に対し頻繁に回転翼の正逆転を行えば布のからみつきは
防止できるのではないかと考えた。そこで回転翼の反応
周期を現在２０秒正転し３秒休止して、更に２０秒逆転
する如き自動反転を採用しているが、これを変化させて
見るとどのようになるかを検討し、その結果を図５に示
す。すなわち、現在の製品レベルにするためには、例え
ば回転翼回転数２８０ｒｐｍ時では正転、逆転の運転時
間５秒、休みを１秒程度としなければならないことが確
認できた。
［００１０］
しかしながら０．５秒運転、０．５秒休止の如く短時間
では、図６の如く洗浄比が１を割ることが確認できた。
よって、反転周期を０．５秒〜５秒にし、かつ運転（も
ちろん、正、逆転）を０．５〜１秒程度とすることがよ
いことが解った。
ただし、休止時間はいわゆる不労時間であり、例えば、
洗い時間を１０分とすると、０．５秒〜５秒が実働時間
であり、０．５〜１秒が不労時間でそれらの総計がいわ
ゆる洗い時間となる。このように反転時間周期１回転翼
外径、バスケット内径を選ぶと、例えば回転翼φ２００
ｍｍ前後で、かつ回転翼回転数３８０ｒｐｍ前後でバス
ケットφ３９０ｍｍ前後のもので反転時間２０秒○Ｎ、
３秒○ＦＦの周期で２．５〜２．８ｋｇ容量のもので３
．３６ｋｇ程度すなわち洗たく容量を１．２倍化しても
洗浄、布傷み、布からみを改良すべく回転翼外径をφ３
００．ｍｍ程度反転周期を０．５〜５秒ＯＮ、０．５〜
１秒ＯＦＦとし回転翼回転数を２８゜ｒｐｍ以下にする
ことで達成できるものである。
［００１１］
このときの入力は３５０Ｗ程度であり、洗たく物質を増
加したにもかかわらす一定の値であることが解った。従
って本実施例での実験をまとめて見ると、回転翼の回転
数を低くすることで布傷みを低減する。底部より上部へ
の洗たく物への機械力は回転翼の外径をバスケット外径
に対し０．５〜１とすることにより達成したものである
。布からみの点から最適の反転周期を検討すると０．５
〜５秒ＯＮ、０．５〜１秒ＯＦＦとすることにより、洗
い時間１０分程度の現製品と同等以上の洗浄を維持しつ
つ、布傷みと布からみの性能を大幅に改良することがで
きた。
［００１２］Embodiments of the present invention will be described below based on the drawings. In FIG. 1, 1 is a washing and dehydrating tub (basket), and a balancer 2 is attached to the upper part. A dehydration hole 3 is formed in the wall of the basket 1. A large rotary blade 4 is provided at the inner bottom of the basket 1. The rotary blade 4 is rotated in forward and reverse directions by a motor (not shown) during washing and rinsing. [0007] The basket 1 is rotated at high speed by a motor during dehydration. At this time, the rotor blade 4 also rotates together. [0008] The rotor blade 4 has an outer diameter d2 and a ratio d2/of the inner diameter of the basket 1.
D is set to 0.5 to 1. Further, the length H of the rotary blade 4 is shorter than the outer diameter d2. In Figure 2, if we take the function of cloth damage and rotor rotation speed, the current product level is approximately 200 rpm with a rotor rotation speed of 38 Orpm.
If the fabric damage is 1 when the basket diameter is set to 390 mm and the basket diameter is set to 390 mm, for example, the rotor outer diameter d2 is approximately 3
When the rotation speed of the rotor is set to about 00mm and the rotational speed of the rotor is set to 28Orpm or less, the damage to the fabric is 3.36 for the amount of laundry to be washed of 2.8kg.
It has been experimentally confirmed that even if the weight is simply increased to 1 kg, it can be reduced below the current product level. [0009] The cleaning performance at this time was 280 rpm as shown in FIG.
In the case of , it was confirmed that there was an improvement of 40%. However, if the blade diameter of the rotary blade is increased, as shown in Figure 4, the amount of cloth entangled due to twisting and entanglement of the items to be washed will increase, and the damage to the cloth will increase proportionally, as well as the motor input will also become extremely large. was confirmed. In contrast, we thought that if the rotor blades were rotated forward and backward frequently, it would be possible to prevent the cloth from getting tangled. Therefore, we currently use automatic reversal for the rotor's reaction cycle, which rotates forward for 20 seconds, pauses for 3 seconds, and then reverses for another 20 seconds, but we considered what would happen if we changed this. The results are shown in FIG. That is, it was confirmed that in order to achieve the current product level, for example, when the rotor rotation speed is 280 rpm, the driving time for forward and reverse rotations must be 5 seconds, and the rest time must be approximately 1 second. [0010] However, in a short period of time such as operation for 0.5 seconds and rest for 0.5 seconds, it was confirmed that the cleaning ratio was less than 1 as shown in FIG. Therefore, it has been found that it is good to set the reversal period to 0.5 seconds to 5 seconds and to set the operation (of course forward and reverse) to about 0.5 to 1 second. However, downtime is so-called unworked time, and for example,
If the washing time is 10 minutes, 0.5 seconds to 5 seconds is the working time, 0.5 to 1 second is the unworked time, and the total of these is the so-called washing time. If the outer diameter of the rotor blade and the inner diameter of the basket are selected in this way, for example, the rotor blade has a diameter of φ200.
mm, and the rotation speed of the rotor blade is around 380 rpm, and the basket diameter is around 390 mm, and the reversal time is 20 seconds○N.
3 seconds with a FF cycle of 2.5 to 2.8 kg capacity
．． Approximately 36 kg, that is, even if the washing capacity is increased by 1.2 times, the outer diameter of the rotor blade should be reduced to φ3 to improve cleaning, fabric damage, and fabric tangling.
00. Turn on the reversal period of about mm for 0.5 to 5 seconds, 0.5 to
This can be achieved by turning off the power for 1 second and reducing the rotational speed of the rotor to 28° rpm or less. [0011] The input power at this time was about 350 W, which was found to be a constant value even though the number of substances to be washed was increased. Therefore, if we look at the experiments in this example all together, fabric damage can be reduced by lowering the rotational speed of the rotor. The mechanical force applied to the items to be washed from the bottom to the top is achieved by setting the outer diameter of the rotor to 0.5 to 1 with respect to the outer diameter of the basket. Considering the optimal reversal period from the point of view of cloth entanglement, it is 0.5
By turning it on for ~5 seconds and turning it off for 0.5~1 seconds, it is possible to significantly improve the performance of fabric damage and fabric tangling while maintaining the same level of cleaning as the current product, which takes about 10 minutes to wash. Ta. [0012]
以上述べたとおり、本発明は洗たく時には停止し、脱水
時には高速で回転する洗濯兼脱水槽と、この洗濯兼脱水
槽の内側底部に設けられる回転翼と、洗濯兼脱水槽およ
び回転翼の回転駆動を行なうモータを備え、洗たく時に
はモータを正逆回転させて回転翼を正逆回転させ、脱水
時にはモータを一方向に連続回転させて洗濯兼脱水槽と
回転翼を一緒に一方向に高速回転させる遠心脱水洗たく
機において、回転翼の外径と洗濯兼脱水槽の内径との比
を０．５〜１とするとともに回転翼の丈を回転翼の外径
よりも低くし、回転翼の正逆回転速度が１１００ｒｐ〜
２８０ｒｐｍになるようにモータを回転させ、回転翼の
正回転および逆回転を行なうモータの正回転および逆回
転のＯＮ時間をそれぞれ領５〜５秒とし、モータの正逆
回転の○Ｎ時間の間にとるモータ休止ＯＦＦ時間をほぼ
（０，５〜１）秒にしたことを特徴とするものである。
［００１３］
この構成によれば、次のような作用、効果を期待できる
。
［００１４］
（１）、立上り棒がなく、かつ大きな外径をもつ撹拌体
を低い回転数で、しかも短かい周期の正逆回転をとるよ
うにしたので、洗浄力がよく、布傷みおよび布からみの
少ない洗たくができる。
［００１５］
（２）０回転翼は、外径よりも丈の低い、いわゆる立上
り棒のないものであるので洗濯兼脱水槽の有効体積が多
くとれる。
［００１６］
洗たく容量の容量アップになる。立上り棒がないので洗
たく物の出し入れがし易いのである。
［００１７］
（３）１回転翼を回すモータが短かい休止ＯＦＦ時間（
０，５〜１秒）をもって反対方向に回転（反転）するの
にもかかわらず、立上り棒のある回転翼に比べ水跳が少
ない。
［００１８］
立上り棒のある回転翼は、反転の繰返しで立上り棒に洗
たく物の巻き付き、はどきが繰返される。この巻き付き
は、前の回転方向の水流が残っているうちに行なわれ、
この水流と逆方向に巻き付いた洗たく物が強く振り回さ
れるため水跳が顕著にできるのである。立上り棒のない
回転翼にあっては、先の回転による水流と逆方向に洗た
く物が強く振り回されないので水跳が少ないのである。
［００１９］
（４）、モータの負荷変動が少ないので、出力容量の少
ないモータを用いることができる。
［００２０］
すなわち、回転翼には立上り棒がないので、洗たく物を
立上り棒に巻き付けて振り回すことに伴うモータの負荷
増加が起きなく、モータの負荷変動は少ないのである。As described above, the present invention provides a washing and dehydration tank that stops when washing and rotates at high speed during dehydration, a rotary blade provided at the inner bottom of the washing and dehydration tank, and a rotary drive for the washing and dehydration tank and the rotor. When washing, the motor rotates in forward and reverse directions to rotate the rotor blades in forward and reverse directions, and during spin-drying, the motor continuously rotates in one direction, causing both the washing/dehydration tank and the rotor blades to rotate at high speed in one direction. In a centrifugal dehydration washing machine, the ratio of the outer diameter of the rotor blade to the inner diameter of the washing/dehydration tank is set to 0.5 to 1, and the length of the rotor blade is made shorter than the outer diameter of the rotor blade, and the forward and reverse rotation of the rotor blade is performed. Speed is 1100rpm~
The motor is rotated at a speed of 280 rpm, and the forward and reverse rotations of the rotor are performed. The ON time for the forward and reverse rotations of the motor is set at 5 to 5 seconds, respectively, and the ON time for the forward and reverse rotation of the motor is ○N. The motor is characterized in that the motor stop OFF time is approximately (0.5 to 1) seconds. [0013] According to this configuration, the following actions and effects can be expected. [0014] (1) Since there is no stand-up rod and the agitation body has a large outer diameter, it rotates at a low rotation speed and in short cycles in forward and reverse directions, resulting in good cleaning power and prevention of fabric damage and fabric damage. You can wash it with less tangles. [0015] (2) Since the zero rotor blade has a length shorter than its outer diameter and has no so-called stand-up rod, a large effective volume of the washing and dehydrating tank can be obtained. [0016] The washing capacity increases. Since there is no stand up bar, it is easy to put in and take out the items to be washed. [0017] (3) The motor that rotates one rotor has a short pause OFF time (
Despite rotating in the opposite direction (reversing) after 0.5 to 1 second, there is less water jumping compared to a rotary blade with a stand-up rod. [0018] A rotary blade with a stand-up rod repeats reversals, causing the object to be washed to wrap around the stand-up rod and flop around repeatedly. This wrapping is done while the water flow in the previous direction of rotation remains,
The laundry wrapped in the opposite direction of the water flow is swung around strongly, resulting in noticeable water jumps. With rotary blades without stand-up rods, the items to be washed are not swung around strongly in the opposite direction to the water flow caused by the previous rotation, so there is less water splash. [0019] (4) Since the load fluctuation of the motor is small, a motor with a small output capacity can be used. [0020] That is, since the rotary blade does not have a stand-up rod, there is no increase in the load on the motor caused by wrapping the item to be washed around the stand-up stick and swinging it around, and there is little variation in the load on the motor.
【図１１ バスケット部の継断面図。 【図２】 回転翼回転数と布傷み比の特性図。[Figure 11 FIG. 3 is a joint cross-sectional view of the basket portion. [Figure 2] Characteristic diagram of rotor rotation speed and fabric damage ratio.
【図３】 回転翼回転数と洗浄比の特性図。[Figure 3] Characteristic diagram of rotor rotation speed and cleaning ratio.
【図４】 布からみ比と回転翼回転数の特性図。[Figure 4] Characteristic diagram of cloth entanglement ratio and rotor rotation speed.
【図５】 布からみ比と回転翼回転数の特性図。[Figure 5] Characteristic diagram of cloth entanglement ratio and rotor rotation speed.
【図６】 洗浄比と回転翼回転数の特性図である。[Figure 6] FIG. 3 is a characteristic diagram of cleaning ratio and rotor rotation speed.
１・・・洗濯槽、４・・・回転翼。 1...Washing tub, 4...Rotary blade.
図面 drawing
【図１】[Figure 1]
【図２】 図 図[Figure 2] figure figure
【図３】[Figure 3]
【図４】 図 図[Figure 4] figure figure
【図６】 図 回転翼回転数 １０００（ｒｐｍ）[Figure 6] figure Rotary blade rotation speed 1000 (rpm)
Claims (1)
れる回転翼と、この回転翼の回動を行なう電動機とを備
え、電動機の正逆回転により回転翼を正逆回転させる洗
たく機において、 前記回転翼を丈の低い、大径の形状をもつ大径回転翼と
し、この大径回転翼を低速で高頻度反転の運転を行なう
ようにしたことを特徴とする洗たく機。[Claims] 1. A washing tank, a rotary blade rotatably placed at the bottom of the washing tank, and an electric motor for rotating the rotary blade, and the rotor blade is driven by forward and reverse rotation of the electric motor. A washing machine that rotates in forward and reverse directions, characterized in that the rotor blade is a large-diameter rotor blade with a short height and a large-diameter shape, and the large-diameter rotor blade is operated at low speed and with high frequency reversal. Washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407566A JPH0499590A (en) | 1990-12-27 | 1990-12-27 | Washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407566A JPH0499590A (en) | 1990-12-27 | 1990-12-27 | Washer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57033538A Division JPS58149787A (en) | 1982-03-02 | 1982-03-02 | Centrifugal dehydrating washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0499590A true JPH0499590A (en) | 1992-03-31 |
Family
ID=18517136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2407566A Pending JPH0499590A (en) | 1990-12-27 | 1990-12-27 | Washer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0499590A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443315B1 (en) | 2000-07-28 | 2002-09-03 | Mitsubishi Denki Kabushiki Kaisha | Insertion and removal system in plug-in unit |
| US7441422B2 (en) * | 2000-11-17 | 2008-10-28 | Lg Electronics Inc. | Drum type washing machine with rotatable baffle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH029834A (en) * | 1989-05-18 | 1990-01-12 | Mitsui Toatsu Chem Inc | Novel aromatic alkene compound |
-
1990
- 1990-12-27 JP JP2407566A patent/JPH0499590A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH029834A (en) * | 1989-05-18 | 1990-01-12 | Mitsui Toatsu Chem Inc | Novel aromatic alkene compound |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443315B1 (en) | 2000-07-28 | 2002-09-03 | Mitsubishi Denki Kabushiki Kaisha | Insertion and removal system in plug-in unit |
| US7441422B2 (en) * | 2000-11-17 | 2008-10-28 | Lg Electronics Inc. | Drum type washing machine with rotatable baffle |
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