JPH03143495A - Controller of washing machine - Google Patents
Controller of washing machineInfo
- Publication number
- JPH03143495A JPH03143495A JP1283220A JP28322089A JPH03143495A JP H03143495 A JPH03143495 A JP H03143495A JP 1283220 A JP1283220 A JP 1283220A JP 28322089 A JP28322089 A JP 28322089A JP H03143495 A JPH03143495 A JP H03143495A
- Authority
- JP
- Japan
- Prior art keywords
- dirt
- degree
- washing
- led1
- display
- 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
Links
- 238000005406 washing Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 14
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は槽内の液体の光透過度合を検知する洗濯機の制
御装置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 control device that detects the degree of light transmission of liquid in a tub.
従来の技術
従来の洗濯機の制御装置は、たとえば特開昭６１−１６
２９７４号公報に示すものがある。槽内の洗濯液の光透
過度合を光センサーにょシ検知し、その光センサーの出
力に応じて洗濯時間を推定し、その推定した時間にもと
づいて洗濯進行状況を表示装置により表示していた。2. Description of the Related Art A conventional washing machine control device is disclosed in, for example, Japanese Patent Application Laid-Open No. 61-16
There is one shown in Japanese Patent No. 2974. A light sensor detects the degree of light transmission of the washing liquid in the tub, the washing time is estimated according to the output of the light sensor, and the washing progress is displayed on a display device based on the estimated time.
発明が解決しようとする課題
しかしながら、従来の洗濯機の表示装置は光センサーの
出力、すなわち汚れ度合に応じて洗濯進行の進行表示内
容を変化させるものであって汚れ度合そのものを表示す
るものではなかった。そのため使用者は洗濯機の判断し
た洗濯物の汚れ度合を知ることができず、洗濯機の推定
内容に不安感を抱く可能性があった。Problems to be Solved by the Invention However, conventional display devices for washing machines change the progress display of the washing process according to the output of an optical sensor, that is, the degree of dirt, and do not display the degree of dirt itself. Ta. Therefore, the user cannot know the degree of dirtiness of the laundry determined by the washing machine, and may feel uneasy about the estimated content of the washing machine.
本発明は上記課題に鑑み、精度高く洗濯物の汚れ度合を
洗い工程の初期の段階から表示することを目的とする。In view of the above problems, it is an object of the present invention to display the degree of dirt on laundry with high accuracy from the initial stage of the washing process.
課題を解決するための手段
上記目的達成のために本発明は、槽内の液体の光透過度
合を検知する光透過度合検知手段と、洗濯物の汚れの度
合を表示する表示手段と、前記光透過度合検知手段と表
示手段を制御する制御手段を備え、洗し開始より初期の
段階で前記光透過度合検知手段の出力信号の値から洗濯
物の汚れの度合を判断し、前記表示手段に表示させるも
のである。Means for Solving the Problems To achieve the above object, the present invention provides a light transmission degree detection means for detecting the degree of light transmission of liquid in a tank, a display means for displaying the degree of dirt on laundry, and A control means for controlling a light transmission degree detection means and a display means is provided, and the degree of dirt on the laundry is determined from the value of the output signal of the light transmission degree detection means at an early stage from the start of washing, and is displayed on the display means. It is something that makes you
作用
上記構成によれば、洗い工程開始後の初期の段階におい
て、洗濯物の汚れ度合を精度高く表示することができる
。Effects According to the above configuration, the degree of dirt on the laundry can be displayed with high accuracy in the initial stage after the start of the washing process.
実施例 以下、図面に従い本発明の詳細な説明する。Example Hereinafter, the present invention will be described in detail with reference to the drawings.
第１図は本発明による洗濯機の回路ブロック図を示す。FIG. 1 shows a circuit block diagram of a washing machine according to the invention.
図において交流電源１より、制御装置２に交流電圧を印
加し、制御装置２により槽内の洗濯物を撹拌する撹拌翼
を駆動する進相コンデンサ４を有する洗濯モータ３．槽
内への給水を行なう給水弁６、槽内の水の排水を行なう
排水弁６を制御する。制御装置２は制御手段である信号
制御回路２０と、洗濯進行状態等の表示を行なう表示手
段の機能と、洗濯、すすぎ等の設定、各種洗濯コースを
設定する設定機能とを有する操作表示装置２１、洗濯モ
ータ３と給水弁６と排水弁６への通電を制御する双方向
性サイリスタ等のスイッチング素子からなるパワー制御
回路２２、槽内の洗濯液の光透過率を検知する光透過度
合検知手段である光センサ−２３より構成される。第２
図に洗濯物の汚れ度合を表示する表示装置の一実施例を
示す。すなわち、操作表示装置２１の一部に洗濯物の汚
れ度合に応じて点灯する複数のＩＦＣＤ１〜ＬＩＥＤ６
を配し、汚れ度合が犬きくなるに従いＬＥＤ１〜ＬＥＤ
ｅを点灯させてゆく。In the figure, an AC power source 1 applies an AC voltage to a control device 2, and the control device 2 drives a stirring blade that stirs the laundry in the tub.A washing motor 3. has a phase advance capacitor 4. It controls a water supply valve 6 that supplies water into the tank and a drain valve 6 that drains water from the tank. The control device 2 includes a signal control circuit 20 as a control means, an operation display device 21 having a function of a display means for displaying the washing progress status, etc., and a setting function for setting washing, rinsing, etc., and setting various washing courses. , a power control circuit 22 consisting of a switching element such as a bidirectional thyristor that controls energization to the washing motor 3, the water supply valve 6, and the drain valve 6; and a light transmission degree detection means that detects the light transmittance of the washing liquid in the tub. It is composed of an optical sensor 23. Second
The figure shows an embodiment of a display device that displays the degree of dirt on laundry. That is, a plurality of IFCD1 to LIED6 are provided in a part of the operation display device 21, which light up depending on the degree of dirtiness of the laundry.
LED1 to LED as the degree of dirt increases.
Light up e.
第３図に洗い工程に釦ける光センサー回路２３の出力電
圧ｖｏの変化を示す。給水終了後、洗い開始すると光セ
ンサー回路２３の出力電圧ｖＯは低下して行く。一般に
光の透過率は、給水中に設定された基準電圧ｖｓに対し
てＶｏ ／Ｖｓ Ｘ １００ ％で表わされる。透過率
あるいは、ＪＶ＝ＶＳ−ｖ、の値により、濁りの大小判
定ができる。FIG. 3 shows the change in the output voltage vo of the optical sensor circuit 23 when the button is pressed during the washing process. When washing starts after water supply ends, the output voltage vO of the optical sensor circuit 23 decreases. Generally, the light transmittance is expressed as Vo /Vs x 100% with respect to the reference voltage vs set in the water supply. The degree of turbidity can be determined based on the transmittance or the value of JV=VS-v.
第４図に洗い工程にふ・ける洗濯物の汚れ度合による光
センサー回路２３の出力電圧ｖｏの違いを示す。一般に
洗濯物の汚れがひどい程、光センサー回路２３の出力電
圧は急速に低い値筐で低下し、短時間で飽和する。FIG. 4 shows the difference in the output voltage vo of the optical sensor circuit 23 depending on the degree of dirt on the laundry during the washing process. Generally, the more dirty the laundry is, the more quickly the output voltage of the optical sensor circuit 23 decreases to a low value and becomes saturated in a short time.
一方、洗濯物の汚れが軽い場合には、光センサー回路２
３の出力電圧ｖｏは徐々に低下し、汚れがひどい場合と
比較して、長い時間を要してしかもやや高い値で飽和す
る。洗い開始から時間を経過時の光センサー回路２３の
出力電圧ＶｔＯ値によって洗濯物の汚れの度合を判断す
ることができる。On the other hand, if the laundry is lightly soiled, the optical sensor circuit 2
The output voltage vo of No. 3 gradually decreases and saturates at a slightly higher value, taking a longer time than in the case of heavy dirt. The degree of dirt on the laundry can be determined based on the output voltage VtO value of the optical sensor circuit 23 when time has elapsed since the start of washing.
次に信号制御回路２Ｑの洗い工程のプログラム動作を第
６図により説明する。ステップ２０１の給水工程で、光
センサー回路２３の出力電圧ｖｏが基準値Ｖ、となるよ
うに制御し給水工程が終了すると、ステップ２０２でモ
ータ３を駆動して撹拌を開始する。ステップ２０３では
汚れ表示のＬＩＣＤ１〜６をＬＫＤＩから順に１つずつ
点灯、消灯を繰り返して、点灯中のＬＥＤが流れるよう
にして汚れ、検知中の表示を、洗い開始から時間ｔが経
過するまで行なう（第６図ａ）。つぎにステップ２０４
で洗い開始から時間ｔが経過していれば、ステップ２０
６で光センサー回路２３の出力電圧Ｖｉを入力し、電圧
変化ＪＶｔ＝Ｖ、−Ｖｔを検知する。ステップ２０６で
はｌｖｔに応じて汚れ表示ＬＥＤに汚れ度合を表示する
。Next, the program operation of the washing step of the signal control circuit 2Q will be explained with reference to FIG. In the water supply process of step 201, the output voltage vo of the optical sensor circuit 23 is controlled to be the reference value V, and when the water supply process is completed, the motor 3 is driven in step 202 to start stirring. In step 203, the dirt display LICDs 1 to 6 are repeatedly turned on and off one by one starting from LKDI, and the lit LEDs flow to indicate dirt or being detected until time t has elapsed from the start of washing. (Figure 6a). Next step 204
If time t has elapsed since the start of washing, step 20
At 6, the output voltage Vi of the optical sensor circuit 23 is input, and a voltage change JVt=V, -Vt is detected. In step 206, the degree of contamination is displayed on the contamination display LED according to lvt.
７１１ｖｔが大きい場合すなわち汚れがひどい時には、
Ｌｌ！Ｄ１〜ＬＩＣＤ６を全て点灯し、汚れが中程度の
時にはＬＥＤ１〜ＬＥＩ）６を点灯し、また汚れが軽い
時にはＬＥＤ１〜ＬＫＤ４を点灯する。When 711vt is large, that is, when the dirt is heavy,
Ll! All D1 to LICD6 are turned on, LED1 to LEI)6 are turned on when the dirt is moderate, and LED1 to LKD4 are turned on when the dirt is light.
なお、この汚れ表示動作は光センサー回路２３の出力電
圧ｖｏの飽和を検知するまで行なうが、この間に出力電
圧ｖｏの変化量が徐々に減少するので。Note that this dirt display operation is performed until saturation of the output voltage vo of the optical sensor circuit 23 is detected, but during this time the amount of change in the output voltage vo gradually decreases.
この変化量に応じて洗濯物の汚れが落ちて来ていると判
断し１点灯中のｌｌＣＤの内の汚れが大きい側から逐次
消灯して行く（第６図ｂ）。ステップ２０７で、光セン
サー回路の出力電圧ｖｏの飽和を検知すると、ステップ
２０８でＬ Ｅ Ｄ １〜ＩＪＤ３を点灯し飽和を表示
して、飽和検知後は第６図Ｃに示す表示を行ない一連の
汚れ表示動作を終了する。Based on this amount of change, it is determined that the laundry is getting dirty, and among the 11CDs that are lit, the lights are turned off one by one starting from the side with the most dirt (FIG. 6b). In step 207, when the saturation of the output voltage vo of the optical sensor circuit is detected, in step 208, LED 1 to IJD3 are lit to indicate saturation, and after detection of saturation, the display shown in FIG. 6C is performed and a series of Ends the dirt display operation.
発明の効果
以上の実施例から明らかなように本発明によれば、洗い
開始より初期の段階で槽内の光透過度合を検知すること
により、洗濯物の汚れ度合を犬、中、小の３段階に判断
し精度高く表示することができる。Effects of the Invention As is clear from the above embodiments, according to the present invention, by detecting the degree of light transmission in the tank at an early stage from the start of washing, the degree of dirt on laundry can be classified into three categories: dog, medium, and small. It can be judged in stages and displayed with high accuracy.
第１図は本発明の一実施例を示す洗濯機の回路ブロック
図、第２図は同操作表示装置の正面図、第３図は同洗い
工程における光センサー回路の出力変化を示す図、第４
図は同洗い工程時の洗濯物の汚れ度合による光センサー
回路の出力変化を示す図、第５図は同洗い時の汚れ表示
のフローチャート、第６図は同洗い時の汚れ表示におけ
る汚れと点灯ＬＥＤを示す図である。
２０・・・・・・信号制御回路、２１・・・・・・操作
表示装置。
２３・・・・・・光センサー回路。FIG. 1 is a circuit block diagram of a washing machine showing an embodiment of the present invention, FIG. 2 is a front view of the operation display device, FIG. 3 is a diagram showing changes in the output of the optical sensor circuit during the washing process, and FIG. 4
The figure shows the change in the output of the optical sensor circuit depending on the degree of dirt on the laundry during the same washing process. Figure 5 is a flowchart of the dirt display during the same washing. Figure 6 shows the dirt and lighting in the dirt display during the same washing. It is a figure which shows LED. 20... Signal control circuit, 21... Operation display device. 23... Light sensor circuit.
Claims (1)
と、洗濯物の汚れの度合を表示する表示手段と、前記光
透過度合検知手段と表示手段を制御する制御手段を備え
、前記制御手段は洗い開始より初期の段階で前記光透過
度合検知手段の出力信号の値から洗濯物の汚れの度合を
判断し、前記表示手段に表示させる洗濯機の制御装置。A light transmission degree detection means for detecting the degree of light transmission of the liquid in the tank, a display means for displaying the degree of dirt on the laundry, and a control means for controlling the light transmission degree detection means and the display means, and the control means The washing machine control device includes means for determining the degree of dirt on the laundry from the value of the output signal of the light transmission degree detection means at an early stage from the start of washing, and for displaying the determined degree on the display means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283220A JP2847816B2 (en) | 1989-10-30 | 1989-10-30 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283220A JP2847816B2 (en) | 1989-10-30 | 1989-10-30 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03143495A true JPH03143495A (en) | 1991-06-19 |
| JP2847816B2 JP2847816B2 (en) | 1999-01-20 |
Family
ID=17662651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1283220A Expired - Fee Related JP2847816B2 (en) | 1989-10-30 | 1989-10-30 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2847816B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067236A (en) * | 2009-09-24 | 2011-04-07 | Panasonic Corp | Drum-type washing machine |
| WO2018077251A1 (en) * | 2016-10-27 | 2018-05-03 | 青岛海尔洗衣机有限公司 | Washing machine |
-
1989
- 1989-10-30 JP JP1283220A patent/JP2847816B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067236A (en) * | 2009-09-24 | 2011-04-07 | Panasonic Corp | Drum-type washing machine |
| CN102031664A (en) * | 2009-09-24 | 2011-04-27 | 松下电器产业株式会社 | Drum-type washing machine |
| WO2018077251A1 (en) * | 2016-10-27 | 2018-05-03 | 青岛海尔洗衣机有限公司 | Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2847816B2 (en) | 1999-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |