JPS59141992A - Washer - Google Patents

Washer

Info

Publication number
JPS59141992A
JPS59141992A JP58016469A JP1646983A JPS59141992A JP S59141992 A JPS59141992 A JP S59141992A JP 58016469 A JP58016469 A JP 58016469A JP 1646983 A JP1646983 A JP 1646983A JP S59141992 A JPS59141992 A JP S59141992A
Authority
JP
Japan
Prior art keywords
washing
turbidity
phosphorus
detergents
time
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.)
Granted
Application number
JP58016469A
Other languages
Japanese (ja)
Other versions
JPH036835B2 (en
Inventor
榛地 義和
政明 山田
堆 誠一郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58016469A priority Critical patent/JPS59141992A/en
Publication of JPS59141992A publication Critical patent/JPS59141992A/en
Publication of JPH036835B2 publication Critical patent/JPH036835B2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は液の汚れ状態を検出して洗濯時間を制御するこ
とができる洗濯機に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a washing machine capable of controlling washing time by detecting the soiled state of liquid.

従来例の構成とその問題点 従来、洗濯機の洗浄は、使用者の経験と感により、衣類
の量及び汚れ具合から判断して、タイムスイッチをセン
トし、そのセットされた時間運転21 ミ゛ するものであった。その為に不必要に時間をかけたりし
て、布をいためたりする欠点を有していた。
Conventional Structure and Problems Conventionally, when washing a washing machine, the time switch is turned on based on the experience and feeling of the user, judging from the amount of clothes and how dirty they are, and the washing machine is operated for the set time of 21 minutes. It was something to do. This has the drawback of taking unnecessary time and damaging the fabric.

そこで、洗濯機の洗浄状態を検知する手段として、洗濯
中の液の汚れ度(濁度)を検出する手段が考えられる。
Therefore, as a means for detecting the washing state of a washing machine, a means for detecting the dirtiness (turbidity) of the liquid during washing may be considered.

濁度を測定する手段として発光素子及び受光素子を用い
て液の光透過度を測定する事により濁度を測定する手段
がある。この手段によれば、洗濯過程における洗濯液の
濁度変化を検出でき、洗濯終了を検出できる。しかし、
現在市販されている洗剤には、リンを含む洗剤(有リン
洗剤)とリンを含捷ない洗剤(無リン洗剤)とがある。
As a means for measuring turbidity, there is a means for measuring turbidity by measuring the light transmittance of a liquid using a light emitting element and a light receiving element. According to this means, it is possible to detect a change in the turbidity of the washing liquid during the washing process, and it is possible to detect the end of washing. but,
Detergents currently on the market include detergents that contain phosphorus (phosphorus-containing detergents) and detergents that do not contain phosphorus (phosphorus-free detergents).

無リン洗剤には、粉石鹸、液体洗剤、その他の合成洗剤
と数多くの洗剤がある。それぞれの洗剤を水に溶かした
場合の洗剤液の濁度は異なり、特に有リン洗剤と無リン
洗剤では大きく異なる。無リン洗剤では濁度が高く、有
リン洗剤では濁度が低い。よって無リン洗剤の場合は洗
濯過程における洗濯液の濁度変化が検出できても、それ
と同じ感度特性の検知素子を使用した場合、有リン洗剤
は洗剤液のみの濁度が高いため、洗濯過程における31
−〉 濁度変化を検出しにくくなる。そこで感度特性を一定に
保つ為に、無リン洗剤のように濁度の高い洗剤を使用し
た場合、その使用量に応じて、発光素子の発光量を変化
させる方法が考えられた。しかし、無リン洗剤を定格使
用量以上入れ、かつ衣類の汚れが極めて大きな場合、洗
濯液の濁度が大きすぎ発光素子の発光量を最大にしても
感度特性を一定レベルに保つことができない場合が存在
することが考えられ、このような場合は、濁度変化がな
いと判断し、洗濯時間が短くなるという欠点を有してい
た。
Phosphorus-free detergents include powdered soap, liquid detergent, other synthetic detergents, and many other detergents. When each detergent is dissolved in water, the turbidity of the detergent solution is different, and in particular, there is a large difference between detergents with phosphorus and detergents without phosphorus. Phosphorus-free detergents have high turbidity, while phosphorous detergents have low turbidity. Therefore, in the case of a phosphorus-free detergent, even if it is possible to detect changes in the turbidity of the washing liquid during the washing process, if a detection element with the same sensitivity characteristics is used, the turbidity of only the detergent liquid is high with a phosphorus-containing detergent. 31 in
−> It becomes difficult to detect turbidity changes. Therefore, in order to keep the sensitivity characteristics constant, a method was devised in which when a detergent with high turbidity, such as a phosphorus-free detergent, is used, the amount of light emitted by the light emitting element is changed depending on the amount used. However, if you use more than the rated amount of phosphorus-free detergent and the clothes are extremely dirty, or if the turbidity of the washing liquid is so high that the sensitivity characteristics cannot be maintained at a constant level even if the light emitting output of the light emitting element is maximized. In such a case, it is judged that there is no change in turbidity, which has the drawback of shortening the washing time.

発明の目的 本発明は上記欠点を除去し、極端に汚れが大きい場合に
も、それに合った洗濯を行うことができる洗濯機を提供
することを目的とするものである。
OBJECTS OF THE INVENTION It is an object of the present invention to provide a washing machine that eliminates the above-mentioned drawbacks and can perform washing in a manner appropriate for extremely dirty clothes.

発明の構成 本発明は発光素子と受光素子とを対峙して脱水受の一部
に設け、洗濯液の濁度変化により洗濯終了を検知する検
知素子を設け、濁度の大きさにより、検知素子としての
感度特性を一定に保つために発光量を切替えるよう構成
し、洗濯開始後、一定時間攪拌して後に初期濁度を検出
し、一定の感度特性を保つことが不可能な場合には、初
期濁度の大きさにより、洗濯時間を設定することを特徴
とする洗濯機である。
Structure of the Invention The present invention includes a light-emitting element and a light-receiving element that are disposed facing each other in a part of the dehydration tray, and a detection element that detects the completion of washing based on a change in the turbidity of the washing liquid. In order to maintain constant sensitivity characteristics, the amount of emitted light is switched, and after the start of washing, the initial turbidity is detected after stirring for a certain period of time, and if it is impossible to maintain constant sensitivity characteristics, This washing machine is characterized by setting the washing time depending on the level of initial turbidity.

実施例の説明 以下本発明の一実施例について図面を参照して説明する
DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

第1図において1は洗濯機本体、2はサスペンション3
により懸垂支持された外槽、4は衣類を洗濯する内槽で
壁面に多数の穴5を有している。
In Figure 1, 1 is the washing machine body, 2 is the suspension 3
The outer tub 4, which is suspended and supported by the washing machine, is an inner tub for washing clothes and has a large number of holes 5 in the wall surface.

6は内槽4内で衣類を攪拌するパルセータである07は
ブレーキ、クラッチ機構を内蔵したメカケース、8は洗
濯及びすすぎ中は正逆回転をくり返すモータ、9は排水
バルブで洗濯、すすぎ及び給水中は閉じている。排水バ
ルブ9と、外槽底面との間には、排水経路10が形成さ
れている011は排水バルブ9に接続された排水ホース
、12は排水経路1oに設けられた検出器である。13
は検出器12内に設けられた発光素子であり、14は5
1−ジ 受光素子である。発光素子13と受光素子14とは排水
経路12をはさんで対峙して設けられている。
6 is a pulsator that agitates the clothes in the inner tank 4; 07 is a mechanical case with a built-in brake and clutch mechanism; 8 is a motor that rotates forward and backward during washing and rinsing; 9 is a drain valve for washing, rinsing, and water supply. The inside is closed. A drainage path 10 is formed between the drainage valve 9 and the bottom surface of the outer tank. 011 is a drainage hose connected to the drainage valve 9, and 12 is a detector provided in the drainage path 1o. 13
is a light emitting element provided in the detector 12, and 14 is a light emitting element provided in the detector 12.
It is a 1-di photodetector. The light emitting element 13 and the light receiving element 14 are provided facing each other with the drainage path 12 in between.

次に、この洗濯機の動作について説明する。Next, the operation of this washing machine will be explained.

洗剤には多くの種類があり、特に無リン洗剤とその他の
洗剤では、洗濯液の濁度が大変異なる。
There are many types of detergents, and the turbidity of the washing liquid varies greatly between phosphorus-free detergents and other detergents.

無リン洗剤の定格濃度での濁度は200〜250ppm
であるのに対し、その他、例えば有リン洗剤は3o〜4
0ppm(定格使用濃度)である。このように洗剤によ
り濁度が大変異なるものを、同一の検出器の特性で洗濯
液の濁度変化を検出していたのでは検出精度が異なる。
Turbidity at rated concentration of phosphorus-free detergent is 200 to 250 ppm
On the other hand, other detergents, such as detergents containing phosphorus, have a concentration of 3o to 4
It is 0 ppm (rated concentration for use). As described above, the turbidity of the washing liquid varies greatly depending on the detergent, and if the same detector characteristics are used to detect changes in the turbidity of the washing liquid, the detection accuracy will be different.

そこで、どのような洗剤の場合にもほぼ等しい検出特性
を得る為に、次のような事を行なった。第2図は検出器
12の等何回路であり、液の濁度変化を出力電圧V。U
、の電圧変化に置き換えている。その出力電圧と液の濁
度との関係は第3図のようになる。第2図の抵抗Hの値
を変えることにより、検出特性は、R1゜R2,R3,
R4とほぼ平行移動した曲線となる。
Therefore, in order to obtain approximately the same detection characteristics for any detergent, the following steps were taken. Figure 2 shows the circuit of the detector 12, and the output voltage V indicates the change in turbidity of the liquid. U
, is replaced by the voltage change. The relationship between the output voltage and the turbidity of the liquid is shown in FIG. By changing the value of the resistor H in Fig. 2, the detection characteristics can be changed to R1°R2, R3,
This is a curve that is almost parallel to R4.

検出器12の特性としては、出力電圧と濁度とは6・ 
ジ 比例関係にあることが望ましく、第3図において、はぼ
比例関係にある■1〜v3の範囲を使用している。そし
て、洗濯液の初期濁度によって検出特性を切換えている
。たとえば、濁度の低い有リン洗剤の場合、洗濯初期の
濁度がAとすると、その濁度で出力電圧がv2からv3
の範囲である特性はR1であるのでR1の特性で検出を
行ない、濁度の高い無リン洗剤の場合、洗濯初期の濁度
がB(第3図)とすると、この濁度で出力電圧がv2か
ら■3の範囲に入る特性はR3であるので、R3の特性
で検出を行なう。しかし、抵抗Rを変化させて、発光素
子13に流す電流にも限度がある。
As for the characteristics of the detector 12, the output voltage and turbidity are 6.
It is desirable that there is a proportional relationship, and in FIG. The detection characteristics are changed depending on the initial turbidity of the washing liquid. For example, in the case of a phosphorous detergent with low turbidity, if the turbidity at the beginning of washing is A, the output voltage will change from v2 to v3 at that turbidity.
Since the characteristic in the range of is R1, detection is performed using the characteristic of R1. In the case of a phosphorus-free detergent with high turbidity, if the turbidity at the beginning of washing is B (Fig. 3), the output voltage will be at this turbidity. Since the characteristic falling within the range from v2 to ■3 is R3, detection is performed using the characteristic of R3. However, there is a limit to the current that can be passed through the light emitting element 13 by changing the resistance R.

その為に、無リン洗剤を多量に使用し、かつ衣類の汚れ
が大きい場合は、洗濯初期における洗濯液の濁度が異常
に大きく、抵抗Rを発光素子13に許される最小値にし
て最大電流を流しても、第3図の出力電圧■2からv3
の範囲の特性を得ることができない場合が生ずる。その
よう々時は洗濯が進行していくにしたがい、洗濯液の濁
度が増し出力電圧が■1以下の範囲で検出する事になる
Therefore, when a large amount of phosphorus-free detergent is used and the clothes are heavily soiled, the turbidity of the washing liquid at the beginning of washing is abnormally large, and the resistance R is set to the minimum value allowed for the light emitting element 13 to maximize the current. Even if , the output voltage from ■2 to v3 in Figure 3
There may be cases where it is not possible to obtain characteristics within the range of . In such cases, as washing progresses, the turbidity of the washing liquid increases and the output voltage is detected in a range of 1 or less.

7/−ジ V 以下の場合はv4以上■3未満の範囲の場合に比べ
、濁度変化に対する電圧変化が小さく、例えば電圧変化
が一定値以下になった時点で洗濯を終了するという検知
方式を行なうと、洗濯時間がv 以上73未満の範囲で
検出した場合に比べて短くなってし捷う。
In the case of 7/-diV or less, the voltage change in response to turbidity change is smaller than in the range of v4 or more and less than 3.For example, a detection method that terminates washing when the voltage change becomes less than a certain value is used. If this is done, the washing time will be shorter than when the washing time is detected in the range from v to less than 73.

そこで、本実施例の場合、洗濯液の初期の濁度が、■2
以上■3未満の範囲の特性に補正できない場合は、発光
素子に許される最大の電流を流し、例えばそれが第3図
のR4の特性とすると、洗濯初期での洗濯液の濁度が出
力電圧にしてOV以上、V未満の場合は液の濁度が大き
く、汚れが一番大きいと判断して洗濯最長時間を行ない
、av以上b■未満の場合は洗濯時間を最長時間の8割
、bV以上■27未満の場合は最長時間の6割というよ
うに数ランクに分けて、洗濯初期の濁度で洗濯時間を設
定してしまう。このようにすれば、無リン洗剤を心安以
上に多く使用し、かつ衣類の汚れが極めて大きい場合で
も洗濯時間が短くなってしまうようなことはない。
Therefore, in the case of this example, the initial turbidity of the washing liquid was
If it is not possible to correct the characteristics to a range of 3 or more, apply the maximum current allowed to the light emitting element and, for example, if it is the characteristic R4 in Figure 3, the turbidity of the washing liquid at the beginning of washing will be the output voltage. If the value is OV or more and less than V, the turbidity of the liquid is high and the stain is the largest, and the washing is carried out for the longest time.If it is more than av and less than b, the washing time is 80% of the maximum time, bV (3) If the value is less than 27, the washing time is divided into several ranks such as 60% of the maximum time, and the washing time is set based on the turbidity at the initial stage of washing. In this way, even if a larger amount of phosphorus-free detergent is used than is safe and the clothes are extremely dirty, the washing time will not be shortened.

発明の効果 以上のように、本発明によれば、無リン洗剤を必要以上
極端に多く使用したり、極端に大きな汚れの場合で、検
出器の検出特性が補正できないような場合でも、洗濯時
間が短くならず十分な洗浄性能が得られる。
Effects of the Invention As described above, according to the present invention, the washing time can be reduced even when the detection characteristics of the detector cannot be corrected due to excessive use of phosphorus-free detergent or extremely large stains. sufficient cleaning performance can be obtained without shortening the time.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例における洗濯機の断面図、第
2図は同洗濯機に用いる検知素子の回路図、第3図は同
検知素子の感度を示す特性図である0 12・・・・・・検出器、13・・・・・・発光素子。
Fig. 1 is a sectional view of a washing machine according to an embodiment of the present invention, Fig. 2 is a circuit diagram of a detection element used in the washing machine, and Fig. 3 is a characteristic diagram showing the sensitivity of the detection element. ...Detector, 13...Light emitting element.

Claims (1)

【特許請求の範囲】[Claims] 発光素子と受光素子とを対峙して、脱水受の一部に設け
、洗濯液の濁度変化により洗濯終了を検知する検知素子
を設け、濁度の大きさにより、検知素子としての感度特
性を一定に保つために、発光量を切替えるよう構成し、
洗濯開始後、一定時間攪拌して後に初期濁度を検出し、
一定の感度特性を保つ事が不可能な場合は初期濁度の大
きさにより、洗濯時間を設定した洗濯機。
A light-emitting element and a light-receiving element are placed facing each other in a part of the dehydration tray, and a sensing element is installed to detect the end of washing based on changes in the turbidity of the washing liquid. In order to keep it constant, it is configured to switch the amount of light emitted,
After starting washing, the initial turbidity is detected after stirring for a certain period of time.
If it is impossible to maintain constant sensitivity characteristics, use a washing machine with a washing time set depending on the initial turbidity.
JP58016469A 1983-02-02 1983-02-02 Washer Granted JPS59141992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58016469A JPS59141992A (en) 1983-02-02 1983-02-02 Washer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58016469A JPS59141992A (en) 1983-02-02 1983-02-02 Washer

Publications (2)

Publication Number Publication Date
JPS59141992A true JPS59141992A (en) 1984-08-14
JPH036835B2 JPH036835B2 (en) 1991-01-31

Family

ID=11917115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58016469A Granted JPS59141992A (en) 1983-02-02 1983-02-02 Washer

Country Status (1)

Country Link
JP (1) JPS59141992A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159997A (en) * 1985-01-08 1986-07-19 シャープ株式会社 Washing machine
JPH03168191A (en) * 1989-11-29 1991-07-19 Matsushita Electric Ind Co Ltd Controller for washing machine
JP2010046105A (en) * 2008-08-19 2010-03-04 Mitsubishi Electric Corp Cooker
WO2016135792A1 (en) * 2015-02-27 2016-09-01 パナソニックIpマネジメント株式会社 Washing machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159997A (en) * 1985-01-08 1986-07-19 シャープ株式会社 Washing machine
JPH0338875B2 (en) * 1985-01-08 1991-06-12 Sharp Kk
JPH03168191A (en) * 1989-11-29 1991-07-19 Matsushita Electric Ind Co Ltd Controller for washing machine
JP2010046105A (en) * 2008-08-19 2010-03-04 Mitsubishi Electric Corp Cooker
WO2016135792A1 (en) * 2015-02-27 2016-09-01 パナソニックIpマネジメント株式会社 Washing machine
CN106574419A (en) * 2015-02-27 2017-04-19 松下知识产权经营株式会社 Washing machine
CN106574419B (en) * 2015-02-27 2019-11-22 松下知识产权经营株式会社 Washing machine

Also Published As

Publication number Publication date
JPH036835B2 (en) 1991-01-31

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