JPH0631089A - Washing machine - Google Patents

Washing machine

Info

Publication number
JPH0631089A
JPH0631089A JP4213630A JP21363092A JPH0631089A JP H0631089 A JPH0631089 A JP H0631089A JP 4213630 A JP4213630 A JP 4213630A JP 21363092 A JP21363092 A JP 21363092A JP H0631089 A JPH0631089 A JP H0631089A
Authority
JP
Japan
Prior art keywords
washing
cloth quality
laundry
weight
water
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
Application number
JP4213630A
Other languages
Japanese (ja)
Inventor
Katsumi Oe
克己 大江
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP4213630A priority Critical patent/JPH0631089A/en
Publication of JPH0631089A publication Critical patent/JPH0631089A/en
Pending legal-status Critical Current

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  • Control Of Washing Machine And Dryer (AREA)

Abstract

PURPOSE:To enhance the discrimination accuracy of cloth quality, and to avoid the damage of cloth caused by an erroneous discrimination in the cloth quality and insufficient dehydration, etc. CONSTITUTION:The washing machine is provided with a sensor for detecting weight of the washing in a washing tank, and before starting an operation, weight of the washing is detected S1, and by other cloth quality discriminating mechanism, a cloth quality is temporarily discriminated S2, and by setting the operation content corresponding to this cloth quality, washing S3, drainage S4, and rinsing and dehydration S5 are executed, and thereafter, the weight of the washing being in a water-contained state is detected S6, and based on the water content obtained from a weight difference, the cloth quality is discriminated S7 by utilizing a fact that its water absorption is different by the cloth quality, and in the case the initial cloth quality discrimination is erroneous, the operation contents set in the beginning are corrected S10.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、洗濯機に関する。FIELD OF THE INVENTION The present invention relates to a washing machine.

【0002】[0002]

【従来の技術】従来、洗濯物の布質を判定して運転内容
を決定する洗濯機として、洗濯物が水中で回転するとき
に布質による吸水率の違いによって、木綿のように吸水
率が高い洗濯物は比較的洗濯槽の底側に、また化繊のよ
うに吸水率が低い洗濯物は比較的水面近くに集まる傾向
がある点に着目し、回転翼を双方向に異なる時間回転さ
せることにより回転する洗濯物が洗濯槽の底に設けられ
た回転翼に加える負荷の大小に基づき洗濯物の吸水率を
推定し、推定した吸水率に応じて布質を判定して回転翼
の回転数を制御する洗濯機が開示されている(特開昭62
−142586号)。
2. Description of the Related Art Conventionally, as a washing machine that determines the content of laundry by determining the quality of the laundry, when the laundry rotates in water, the difference in the rate of water absorption due to the quality of the laundry causes the water absorption rate to be similar to that of cotton. Pay attention to the fact that high laundry tends to gather on the bottom side of the washing tub and laundry with low water absorption such as synthetic fibers tends to gather relatively near the water surface. The water absorption rate of the laundry is estimated based on the size of the load applied to the rotating blades provided at the bottom of the washing tub by the rotating laundry, and the cloth quality is judged according to the estimated water absorption rate to determine the rotation speed of the rotating blades. There is disclosed a washing machine for controlling a washing machine (Japanese Patent Laid-Open No. 62-62160).
-142586).

【0003】[0003]

【発明が解決しようとする課題】ところで、布質と吸水
率との間に相関関係があることは明らかであるが、従来
の洗濯機は、洗濯物の回転位置が底近くか水面近くかに
よって間接的に洗濯物の吸水率を推定しているので、布
質の判定精度が低い。誤った布質の判定に従って運転内
容を決定した場合、脱水不足が起きたり、脱水過剰,強
過ぎる水流による布傷みを引き起こしたりする。
By the way, although it is clear that there is a correlation between the cloth quality and the water absorption rate, the conventional washing machine depends on whether the rotating position of the laundry is near the bottom or near the water surface. Since the water absorption of the laundry is indirectly estimated, the accuracy of determining the cloth quality is low. If the operation content is determined according to an incorrect determination of cloth quality, insufficient dehydration may occur, or excessive dehydration or damage to the cloth due to excessive water flow may occur.

【0004】本発明はこのような問題点を解決するため
になされたものであって、重量センサにより直接検知し
た洗濯物の重量からその含水量を求めることにより布質
の判定精度が高い洗濯機の提供を目的とする。
The present invention has been made in order to solve such a problem, and a washing machine having a high cloth quality determination accuracy is obtained by determining the water content of the laundry directly detected by a weight sensor. For the purpose of providing.

【0005】[0005]

【課題を解決するための手段】本発明に係る洗濯機は、
洗濯物の布質を判定して運転内容を決定する洗濯機にお
いて、洗濯槽内の洗濯物の重量を検知するセンサと、該
センサにより検知した吸水前の洗濯物の重量と含水状態
の該洗濯物の重量との差から該洗濯物の含水量を求めて
布質を判定する手段と、該手段による布質の判定に従っ
て運転内容を決定する手段とを備えたことを特徴とす
る。
A washing machine according to the present invention comprises:
In a washing machine that determines the content of laundry by determining the quality of the laundry, a sensor that detects the weight of the laundry in the washing tub, and the weight of the laundry before water absorption detected by the sensor and the laundry that contains water It is characterized in that it is provided with means for determining the cloth quality by determining the water content of the laundry from the difference between the weight of the laundry and means for determining the operation content according to the determination of the cloth quality by the means.

【0006】[0006]

【作用】本発明に係る洗濯機は、吸水前の洗濯槽内の洗
濯物の重量をセンサで検知しておき、すすぎ脱水後等、
含水状態にある洗濯物の重量をセンサで検知してその含
水量を求め、この含水量に基づいて布質を判定して運転
内容を決定する。
In the washing machine according to the present invention, the weight of the laundry in the washing tub before water absorption is detected by the sensor, and after washing and dehydration,
The weight of the laundry in a water-containing state is detected by a sensor, the water content is obtained, the cloth quality is determined based on the water content, and the operation content is determined.

【0007】[0007]

【実施例】以下、本発明をその実施例を示す図に基づい
て説明する。図2は本発明に係る洗濯機の制御機構の構
成を示すブロック図である。図中1はマイクロコンピュ
ータ(以下、マイコンという)であって、マイコン1に
は、洗濯槽内の洗濯物の重量を検知する重量センサ4及
び洗濯コース,予約時間等を設定するための入力キー回
路5、洗濯終了を報知するブザー回路6、排水弁20,給
水弁21,モータ22を駆動する負荷駆動回路7が接続され
ており、他にも上蓋安全スイッチ,水位センサ,進行状
態を表示するためのLED 表示駆動回路等が接続される。
また、電源回路2がマイコン1のVDD端子に電源回路2
が、リセット回路3がRESET 端子に接続され、VSS端子
が接地されている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing its embodiments. FIG. 2 is a block diagram showing the configuration of the control mechanism of the washing machine according to the present invention. In the figure, reference numeral 1 denotes a microcomputer (hereinafter referred to as a microcomputer), and the microcomputer 1 has a weight sensor 4 for detecting the weight of laundry in a washing tub, an input key circuit for setting a washing course, a reservation time, and the like. 5. A buzzer circuit 6 that notifies the end of washing, a drain valve 20, a water supply valve 21, and a load drive circuit 7 that drives a motor 22 are connected, and in addition, a lid safety switch, a water level sensor, and a progress status are displayed. LED display drive circuit, etc. are connected.
Further, the power supply circuit 2 connects the V DD terminal of the microcomputer 1 to the power supply circuit 2
However, the reset circuit 3 is connected to the RESET terminal, and the V SS terminal is grounded.

【0008】マイコン1は、オペレーティングシステム
(OS),布質判定プログラム,電源開閉制御プログラム
等が格納されたROM 12と、演算結果を記憶するレジスタ
等が設けられたRAM 13と、OSに従ってマイコン1の各部
を制御するとともにROM 12に格納されたアプリケーショ
ンプログラムを読み出して演算処理するCPU 11と、タイ
マ14と、入出力データを記憶するI/O バッファ15と、周
辺機器とのI/O インタフェース16とを含み、マイコン1
の各部は内部バスにより接続されている。
The microcomputer 1 includes a ROM 12 in which an operating system (OS), a cloth quality judgment program, a power source opening / closing control program, etc. are stored, a RAM 13 in which a register for storing a calculation result is provided, and the microcomputer 1 according to the OS. CPU 11 that controls each part of the CPU and reads out application programs stored in ROM 12 to perform arithmetic processing, timer 14, I / O buffer 15 that stores input / output data, and I / O interface 16 with peripheral devices. Including, and microcomputer 1
The respective units are connected by an internal bus.

【0009】図1は本発明に係る洗濯機の布質判定手順
を示すフローチャートである。なお、本実施例では、例
えば従来例で述べた他の布質判定機能が組み合わされた
洗濯機について説明する。運転開始前の洗濯槽内の洗濯
物の量m0 に応じた重量センサ4の出力周波数faを検知
し、洗濯物の重量を算出してRAM 13に記憶しておく(S
1)。洗いの前に、他の布質判定機能を用いて布質を一旦
判定する(S2)。この布質に応じて洗濯コース(すすぎ時
間,すすぎ回数,すすぎ水流,脱水時間,脱水回数等)
を設定し、洗い(S3)、排水(S4)、すすぎ脱水(S5)を行っ
た後、含水状態の洗濯物の量m0 に応じた重量センサ4
の出力周波数fbを検知して含水状態の洗濯物の重量を算
出する(S6)。なお、インバータモータを搭載した洗濯機
の場合、脱水に関する設定は脱水回転数となる。
FIG. 1 is a flow chart showing a cloth quality judgment procedure of a washing machine according to the present invention. In addition, in the present embodiment, for example, a washing machine in which the other cloth quality determination functions described in the conventional example are combined will be described. The output frequency fa of the weight sensor 4 corresponding to the amount m 0 of laundry in the washing tub before the start of operation is detected, the weight of the laundry is calculated and stored in the RAM 13 (S
1). Before washing, the cloth quality is once judged using another cloth quality judgment function (S2). Laundry course (rinse time, rinsing frequency, rinsing water flow, dehydration time, dehydration frequency, etc.) according to this cloth quality
After washing (S3), draining (S4) and rinsing and dewatering (S5), the weight sensor 4 according to the amount m 0 of the laundry containing water is set.
The output frequency fb of is detected to calculate the weight of the laundry in a water-containing state (S6). In the case of a washing machine equipped with an inverter motor, the dehydration setting is the dehydration rotation speed.

【0010】図3は、運転開始前とすすぎ脱水後の重量
センサ出力fの変化を示すグラフであって、負荷量m0
に対する運転開始前とすすぎ脱水後の重量センサ出力f
a,fbの差が含水量に相当する。また、図4は布質別の負
荷量m0 と含水量m1 との関係を示すグラフであって、
吸水率が異なる化繊と木綿とでは同一の負荷量でも含水
量が異なる。
[0010] Figure 3 is a graph showing changes in the weight sensor output f after rinsing and before the start of operation dehydration, load m 0
Sensor output f before starting operation and after rinsing and dehydration
The difference between a and fb corresponds to the water content. FIG. 4 is a graph showing the relationship between the load amount m 0 and the water content m 1 for each fabric type,
The water content differs between synthetic fiber and cotton with different water absorption rates even with the same load.

【0011】図3及び4に示す関係に基づき、洗濯物の
含水量により布質を判定し(S7)、初期に一旦判定した布
質が正しいか否かを判定する(S8)。初期の布質判定が正
しい場合は初期の設定内容で運転を続行し(S9)、布質判
定が誤っていた場合は初期の設定内容を補正する(S10)
Based on the relationships shown in FIGS. 3 and 4, the cloth quality is judged by the water content of the laundry (S7), and it is judged whether the initially judged cloth quality is correct (S8). If the initial cloth quality judgment is correct, continue the operation with the initial settings (S9), and if the initial cloth quality judgment is incorrect, correct the initial settings (S10).
.

【0012】なお、本実施例では他の布質判定機能を備
えた洗濯機について説明したが、運転開始前の布質判定
機能がない洗濯機であってもよい。
In this embodiment, the washing machine having another cloth quality judging function has been described, but a washing machine having no cloth quality judging function before the start of operation may be used.

【0013】また、本実施例では布質の判定をすすぎ脱
水後に行ったが、その判定時期はこれに限らず、すすぎ
脱水前に行う排水後、又は複数回のすすぎ設定における
1回目の排水後又は1回目のすすぎ脱水後であってもよ
く、本実施例と同様の効果が得られる。
In the present embodiment, the determination of the cloth quality is performed after rinsing and dehydration, but the determination time is not limited to this, after drainage performed before rinsing and dehydration, or after the first drainage in a plurality of rinse settings. Alternatively, it may be after the first rinse dehydration, and the same effect as that of the present embodiment is obtained.

【0014】次に、重量センサ4を利用して電源開閉を
制御する手順を図5に示すフローチャートに基づいて説
明する。なお、図6は負荷重量m(kg)と重量センサ出力
周波数f(kHz) との関係を示すグラフである。図から明
らかなように、負荷重量が増につれて重量センサ4の出
力周波数は低くなっている。洗濯槽内に洗濯物が入って
いない負荷重量m0 における重量センサ出力周波数をf
0 とした場合、f<f0 の関係になれば洗濯物が洗濯槽
内に入っていると判定できる。また、洗濯槽の定格負荷
量m1 に対応する重量センサ出力周波数をf1 とする。
Next, the procedure for controlling the opening and closing of the power source using the weight sensor 4 will be described with reference to the flowchart shown in FIG. 6 is a graph showing the relationship between the load weight m (kg) and the weight sensor output frequency f (kHz). As is clear from the figure, the output frequency of the weight sensor 4 decreases as the load weight increases. The weight sensor output frequency at a load weight m 0 with no laundry in the washing tub is f
When 0 is set, it can be determined that the laundry is in the washing tub if the relation of f <f 0 is satisfied. Further, the weight sensor output frequency corresponding to the rated load amount m 1 of the washing tub is f 1 .

【0015】重量センサ出力fとf0 との関係から洗濯
槽に洗濯物が入ったか否かを判定し(S21) 、洗濯物が入
ってf<f0 となったら電源をONする(S22) 。洗濯物の
重量が定格負荷量m1 に達したか否かを判定し(S23) 、
達していない場合、定格負荷量m1 以下での洗濯の場合
を考慮して洗濯コースが設定されたか否か(S24) 、スタ
ートボタンが押されたか否か(S25) を監視する。洗濯コ
ースが設定され、スタートボタンが押されるとステップ
S27 に移行する。
Based on the relationship between the weight sensor outputs f and f 0 , it is determined whether or not laundry has entered the washing tub (S21). When the laundry enters and f <f 0 , the power is turned on (S22). . It is determined whether or not the weight of the laundry reaches the rated load amount m 1 (S23),
If not, it is monitored whether or not the washing course is set in consideration of the case of washing with the rated load amount m 1 or less (S24) and whether or not the start button is pressed (S25). When the laundry course is set and the start button is pressed, step
Move to S27.

【0016】ステップS23 の判定の結果、洗濯物の重量
が定格負荷量m1 に達した場合、洗濯コースが設定され
たか否かを判定し(S26) 、洗濯コースが設定されるまで
待機する。
When the weight of the laundry reaches the rated load amount m 1 as a result of the determination in step S23, it is determined whether or not the washing course is set (S26), and the process waits until the washing course is set.

【0017】定格負荷量m1 での洗濯、定格負荷量m1
以下での洗濯のいずれの場合においても、洗濯コースが
設定されるとタイマ予約であるか否かを判定し(S27) 、
タイマ予約でない場合は洗濯を開始する(S28) 。設定さ
れた洗濯コースで洗濯を終了し(S29) 、電源がOFF する
までの間に新たに洗濯コースが設定されたか否かを判定
し(S30) 、洗濯コースが設定された場合はステップS25
に移行する。洗濯終了後、10分経過したか否かを判定し
(S31) 、10分間は洗濯コースが設定されたか否かの判定
を繰り返し、10分経過しても洗濯コースが設定されない
場合は電源をOFF する(S32) 。
[0017] The washing of the rated load m 1, the rated load m 1
In any case of the following laundry, when the laundry course is set, it is determined whether or not the timer is reserved (S27),
If it is not a timer reservation, washing is started (S28). Washing is completed in the set washing course (S29), and it is determined whether or not a new washing course is set before the power is turned off (S30). If a washing course is set, step S25
Move to. After washing, determine if 10 minutes have passed
(S31) Then, the determination as to whether the washing course is set is repeated for 10 minutes, and if the washing course is not set even after 10 minutes, the power is turned off (S32).

【0018】また、ステップS27 での判定の結果、タイ
マ予約の場合、電源を一旦OFF して(S33) 、予約された
洗濯開始時刻まで待機する(S34) 。予約時刻に達した時
点で電源をONし(S35) 、洗濯を開始する(S28) 。ステッ
プS29 での洗濯終了後に10分経過しても新たにコース設
定されない場合は前述と同様に電源をOFF する(S30〜S3
2)。
If the result of determination in step S27 is that a timer has been reserved, the power is temporarily turned off (S33) and the machine waits until the reserved washing start time (S34). When the reserved time is reached, the power is turned on (S35) and washing is started (S28). If a new course is not set within 10 minutes after the washing in step S29, the power is turned off as described above (S30 to S3).
2).

【0019】このような電源開閉制御によれば、定格負
荷重量に達した時点で洗濯を自動的に開始するので、定
格負荷重量以上に洗濯物が入れられることによる洗浄率
の悪化が回避される。また、洗濯終了後、所定時間が経
過すると電源をOFF するとともに、タイマ予約の場合、
予約時刻になるまで電源をOFF するので節電効果が得ら
れる。
According to such a power supply opening / closing control, the washing is automatically started when the rated load weight is reached, so that the deterioration of the washing rate due to the load of laundry over the rated load weight can be avoided. . In addition, after a predetermined time has passed after washing, the power is turned off and if a timer is reserved,
The power is turned off until the reserved time arrives, thus saving power.

【0020】[0020]

【発明の効果】以上のように、本発明に係る洗濯機は、
吸水前と含水状態とにおける洗濯物の重量から含水量を
直接的に求めて布質を判定するので、布質の判定精度が
高いという優れた効果を奏する。
As described above, the washing machine according to the present invention is
Since the cloth quality is determined by directly determining the water content from the weight of the laundry before water absorption and the water content, the excellent effect of high determination accuracy of the cloth quality is achieved.

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

【図1】本発明に係る洗濯機の布質判定の手順を示すフ
ローチャートである。
FIG. 1 is a flowchart showing a procedure for determining a cloth quality of a washing machine according to the present invention.

【図2】本発明に係る洗濯機の制御機構の構成を示すブ
ロック図である。
FIG. 2 is a block diagram showing a configuration of a control mechanism of the washing machine according to the present invention.

【図3】運転開始前とすすぎ脱水後とにおける重量セン
サ出力の変化を示すグラフである。
FIG. 3 is a graph showing changes in the weight sensor output before the start of operation and after rinsing and dehydration.

【図4】布質別の負荷量と含水量との関係を示すグラフ
である。
FIG. 4 is a graph showing the relationship between the load and the water content for each fabric type.

【図5】本発明に係る洗濯機の電源開閉制御の手順を示
すフローチャートである。
FIG. 5 is a flowchart showing a procedure of power source opening / closing control of the washing machine according to the present invention.

【図6】負荷重量と重量センサ出力との関係を示すグラ
フである。
FIG. 6 is a graph showing the relationship between load weight and weight sensor output.

【符号の説明】[Explanation of symbols]

1 マイコン 2 電源回路 3 リセット回路 4 重量センサ 5 入力キー回路 6 ブザー回路 7 負荷駆動回路 11 CPU 12 ROM 13 RAM 14 タイマ 15 I/O バッファ 16 I/O インタフェース 1 Microcomputer 2 Power supply circuit 3 Reset circuit 4 Weight sensor 5 Input key circuit 6 Buzzer circuit 7 Load drive circuit 11 CPU 12 ROM 13 RAM 14 Timer 15 I / O buffer 16 I / O interface

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 洗濯物の布質を判定して運転内容を決定
する洗濯機において、洗濯槽内の洗濯物の重量を検知す
るセンサと、該センサにより検知した吸水前の洗濯物の
重量と含水状態の該洗濯物の重量との差から該洗濯物の
含水量を求めて布質を判定する手段と、該手段による布
質の判定に従って運転内容を決定する手段とを備えたこ
とを特徴とする洗濯機。
1. A washing machine for determining the content of laundry by determining the quality of the laundry and a sensor for detecting the weight of the laundry in a washing tub, and the weight of the laundry before water absorption detected by the sensor. A means for determining the cloth quality by determining the water content of the laundry from the weight of the laundry in a water-containing state, and means for determining the operation content according to the determination of the cloth quality by the means. And a washing machine.
JP4213630A 1992-07-17 1992-07-17 Washing machine Pending JPH0631089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4213630A JPH0631089A (en) 1992-07-17 1992-07-17 Washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4213630A JPH0631089A (en) 1992-07-17 1992-07-17 Washing machine

Publications (1)

Publication Number Publication Date
JPH0631089A true JPH0631089A (en) 1994-02-08

Family

ID=16642341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4213630A Pending JPH0631089A (en) 1992-07-17 1992-07-17 Washing machine

Country Status (1)

Country Link
JP (1) JPH0631089A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011239799A (en) * 2010-05-14 2011-12-01 Hitachi Appliances Inc Washing and drying machine
JP2017136508A (en) * 2012-09-24 2017-08-10 エルジー エレクトロニクス インコーポレイティド Control method of laundry treating apparatus
CN109267288A (en) * 2017-07-17 2019-01-25 青岛海尔洗衣机有限公司 Control method, control device and the washing machine of washing machine
CN111411475A (en) * 2019-01-04 2020-07-14 青岛海尔洗衣机有限公司 Control method for washing equipment
CN112281405A (en) * 2019-07-10 2021-01-29 青岛海尔洗衣机有限公司 Washing machine control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011239799A (en) * 2010-05-14 2011-12-01 Hitachi Appliances Inc Washing and drying machine
JP2017136508A (en) * 2012-09-24 2017-08-10 エルジー エレクトロニクス インコーポレイティド Control method of laundry treating apparatus
CN109267288A (en) * 2017-07-17 2019-01-25 青岛海尔洗衣机有限公司 Control method, control device and the washing machine of washing machine
CN111411475A (en) * 2019-01-04 2020-07-14 青岛海尔洗衣机有限公司 Control method for washing equipment
CN112281405A (en) * 2019-07-10 2021-01-29 青岛海尔洗衣机有限公司 Washing machine control method
CN112281405B (en) * 2019-07-10 2024-05-24 青岛海尔洗衣机有限公司 Control method of washing machine

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