JPS61154598A - Controller of dehydrator - Google Patents

Controller of dehydrator

Info

Publication number
JPS61154598A
JPS61154598A JP59280940A JP28094084A JPS61154598A JP S61154598 A JPS61154598 A JP S61154598A JP 59280940 A JP59280940 A JP 59280940A JP 28094084 A JP28094084 A JP 28094084A JP S61154598 A JPS61154598 A JP S61154598A
Authority
JP
Japan
Prior art keywords
motor
brake
load
load amount
dehydration
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
JP59280940A
Other languages
Japanese (ja)
Inventor
裕二 永福
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 JP59280940A priority Critical patent/JPS61154598A/en
Publication of JPS61154598A publication Critical patent/JPS61154598A/en
Pending 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】 (イ1 産業上の利用分野 本発明は、脱水槽を高速回転させて槽内の衣類を遠心脱
水する脱水機の制御装置に関する。
DETAILED DESCRIPTION OF THE INVENTION (1) Field of Industrial Application The present invention relates to a control device for a dehydrator that rotates a dehydration tank at high speed and centrifugally dehydrates clothes in the tank.

(ロ)従来の技術 実公昭59−24311号公報で示すように、全自動洗
濯機の脱水行程では1行程終了前の一定時間にモータの
スイッチをOF F’ L、脱水槽が慣性回転して減速
され、自然停止に近い状態で制動手段が働くようになっ
ている。熱論、上蓋の開放時や異常撮動の発生時にはモ
ータのスイッチOFFと同時に制動手段が働く。この制
動手段は通常はブレーキドラムに巻装されたブレーキバ
ンドと。
(b) As shown in the prior art publication No. 59-24311, in the dehydration process of a fully automatic washing machine, the motor switch is turned OFF F' L at a certain time before the end of one process, and the dehydration tank rotates inertia. The vehicle is decelerated and the braking means is activated in a state close to a natural stop. When the top cover is opened or abnormal imaging occurs, the braking means is activated at the same time as the motor is switched off. This braking means is usually a brake band wrapped around the brake drum.

このブレーキバンドを制動時に係止するブレーキレバー
から成り、バンドのライニングとドラム間の摩擦力によ
って制動が働く。
It consists of a brake lever that locks this brake band during braking, and braking is performed by the frictional force between the band's lining and the drum.

しかし、斯る従来例は槽内負荷の竜とは関係なく一定時
間前にスイッチOFFするので、制動手段が働く時の脱
水槽(モータ)の慣性力に差が生じ、QIK大負荷の場
合はブレーキレバーによる係止量と係止時の振動が大き
く、またライニングがよく摩耗する。
However, in the conventional example, the switch is turned off before a certain period of time regardless of the load inside the tank, so there is a difference in the inertia of the dehydration tank (motor) when the braking means works, and in the case of a large QIK load, The amount of locking by the brake lever and the vibration when locking are large, and the lining often wears out.

pl  発明が解決しようとする問題点本発明は、制動
手段が働く際の慣性力を負荷量変化に拘らず一定化し、
静かに且つ滑らかに制動を行なうようにしたものである
pl Problems to be Solved by the Invention The present invention makes the inertia force when the braking means operates constant regardless of changes in the load amount,
It is designed to perform braking quietly and smoothly.

に)問題点を解決するための手段 本発明は、モータの駆動電流の変化等から負荷量を検知
し、この負荷量検知信号に基づいてモ−タのスイッチ手
段のOFF時点を変化させることにより問題点を解決す
るものである。
B) Means for solving the problem The present invention detects the amount of load from changes in the drive current of the motor, etc., and changes the OFF point of the switching means of the motor based on this load amount detection signal. It is a solution to a problem.

(ホ)作 用 即ち、負荷量が大であれば駆動電流が大きくなり、こ九
に合せてOFF時点を早め、また、負荷量か小であれば
OFF時点を遅らせる。すると。
(E) Effect: If the load amount is large, the drive current becomes large, and the OFF point is advanced accordingly, and if the load amount is small, the OFF point is delayed. Then.

慣性回転時間が変り、この間の減速により、制動手段が
働く行程終了時にはいずれの場合でも慣性力がほぼ一定
値まで低下し、制動手段の働き方がいつでもほぼ均一と
なるものである。
The inertia rotation time changes, and due to the deceleration during this time, the inertia force decreases to a substantially constant value in any case at the end of the stroke in which the braking means works, and the way the braking means works is almost uniform at all times.

(へ)実施例 以下図面に基づいて説明すると%(1)は外槽(2)内
に設けられた洗濯兼脱水槽で、内底部に大径山型の回転
翼(3)を設けている。(4)は外槽(2)の外底部に
固着された取付台で、吊棒(5)−・・により機枠(図
示せず)に防振的に吊持されている。この取付台(4)
の中心部には、上記脱水槽(1)の駆動用の筒軸(6)
を軸支する上下のベアリング(7)(8)のケース(9
)(lIが一体形成しである。また、この取付台(4)
には、モータαυ、排水弁(L3.この排水弁を連結杆
(1)を介して開閉するソレノイドIが夫々取付けであ
る。(Lりは筒軸(6)内に挿通支持された原動軸で、
その下端にプーリ鰻を固定し、モータ軸anに固定され
たプーリ鰺とベルトt19によって連係している。そし
て。
(f) Example To explain based on the following drawings, % (1) is a washing/dehydration tank provided inside an outer tank (2), and a large-diameter mountain-shaped rotor blade (3) is provided at the inner bottom. . (4) is a mounting base fixed to the outer bottom of the outer tank (2), and is suspended from the machine frame (not shown) by means of hanging rods (5) in a vibration-proof manner. This mounting base (4)
In the center of is a cylindrical shaft (6) for driving the dehydration tank (1).
Case (9) of upper and lower bearings (7) (8) that pivotally support the
) (lI is integrally formed. Also, this mounting base (4)
A motor αυ and a drain valve (L3) are attached to the solenoid I that opens and closes this drain valve via the connecting rod (1). (L is the driving shaft inserted and supported in the cylindrical shaft (6) in,
A pulley is fixed to the lower end thereof, and is linked to the pulley fixed to the motor shaft an by a belt t19. and.

この原動軸qSの上端は減速歯車機構(図示せず)を介
して上記回転翼(3)に連結しである。■は原動軸(1
51の口伝を筒軸(6)へ伝えるか否かを制御するクラ
ッチ装置で、クラッチスプリング等よりなる従来周知の
もので、クラッチが入ると筒軸(6)を原動軸(151
と同速で回転させるものである。
The upper end of this driving shaft qS is connected to the rotary blade (3) via a reduction gear mechanism (not shown). ■ is the driving shaft (1
This is a clutch device that controls whether or not to transmit the word of mouth of 51 to the cylinder shaft (6).It is a conventionally well-known device consisting of a clutch spring, etc. When the clutch is engaged, the cylinder shaft (6) is transferred to the driving shaft (151).
It rotates at the same speed as.

+211は筒軸(6)に固着されたプレーギドラムで、
その外周には、内側にブレーキライニングのを取付けた
プレーヤバンドΩがそれ自身の有する弾性により圧着し
、プレー中バンドのの一端折曲片(2)にブレーキレバ
ー四の係合孔■が係脱して筒軸(6)Kブレーキをかけ
たり外したりする。ブレーキレバー磯やクラブチ■は排
水弁α2を操作する上記ソレノイド(I41により操作
されるもので、排水弁α2を閉成するとブレーキがかか
ってクラッチを切り、排水弁(16を開放するとブレー
キが外れてクラッチが入る。
+211 is a plastic drum fixed to the cylinder shaft (6),
On its outer periphery, the player band Ω, which has a brake lining attached to its inside, is crimped by its own elasticity, and during play, the engagement hole ■ of the brake lever 4 engages and disengages from the bent piece (2) at one end of the band. to apply or remove the cylinder shaft (6) K brake. The brake lever Iso and Crabchi ■ is operated by the above-mentioned solenoid (I41) that operates the drain valve α2, and when the drain valve α2 is closed, the brake is applied and the clutch is disengaged, and when the drain valve (16 is opened, the brake is released). The clutch engages.

ここで、上記セータαBは電源に対してスイッチ手段と
してのトライアック(2n@によって接続され。
Here, the theter αB is connected to the power source by a triac (2n@) as a switching means.

またその電源路中にはカレントトランスから成る駆動電
流の検知回路のを設けている。また、制動手段としての
上記ソレノイドIもトライアック(至)を介して電源に
接続されている。検知回路■からの検知信号はダイオー
ドとコンデンサから成る全波整流回路C111を介して
分圧抵抗、ツェナーダイオード、コンパレータ等から成
る比較信号発生回路(至)に人力される。この検知回路
□□□、全波整流回路81J及び比較信号発生回路■は
負荷量検知手段ωを構成するものである。
In addition, a drive current detection circuit consisting of a current transformer is provided in the power supply path. Further, the solenoid I as a braking means is also connected to a power source via a triac. The detection signal from the detection circuit (2) is inputted via a full-wave rectifier circuit C111 consisting of a diode and a capacitor to a comparison signal generation circuit (total) consisting of a voltage dividing resistor, a Zener diode, a comparator, etc. This detection circuit □□□, the full-wave rectifier circuit 81J, and the comparison signal generation circuit □ constitute a load amount detection means ω.

父はマイクロコンピュータ(至)を中心とした制御手段
で、比較信号発生回路■から入力端子(至)への比較信
号に基づいて上記各トライブックnc!81c!A1の
ゲート信号を制御し、また表示手段ζm及び各種の入力
手段(至)との間で信号の授受を行なう。
The father is a control means centered on a microcomputer (to), and each of the above try books nc! 81c! It controls the gate signal of A1, and also sends and receives signals between the display means ζm and various input means (to).

洗濯行程では、所定の始動操作に伴なう入力により、制
御手段[有]はスイッチング手段としてのトライアック
@@を交互にONさせ、モータαDを反転駆動し1回4
51I&(3)のみを間欠的に反転させる。
In the washing process, in response to an input associated with a predetermined starting operation, the control means alternately turns on the triac @@ as a switching means, drives the motor αD in reverse, and performs 4 cycles at a time.
Only 51I&(3) is intermittently inverted.

一方、脱水行程では、制御手段(至)はトライアック(
281ωをONし、ソレノイドIによりブレーキを外し
てクラッチを入れ、排水弁[12を開き、モータαBに
よって脱水槽(11及び回転JiiC3)を一方向に連
続回転させる。そして、この回転開始と同期して内蔵し
たカウンタで時間カウントを開始する。モータtL11
の駆動電流は開始時から急激に立上り、そこをピークに
して徐々に減少し、同期速度では減少した状態で安定す
るものである。また%槽内の衣類。
On the other hand, in the dehydration process, the control means (to) is the triac (
281ω is turned ON, the brake is released by the solenoid I, the clutch is engaged, the drain valve [12 is opened, and the dewatering tank (11 and rotation JiiC3) is continuously rotated in one direction by the motor αB. Then, in synchronization with this start of rotation, a built-in counter starts counting time. Motor tL11
The drive current rises rapidly from the start, peaks at that point, gradually decreases, and stabilizes in a decreased state at synchronous speed. Also the clothes in the tank.

即ち負荷の量が多い程安定するまでに時間がかかる。そ
して、理想的な負荷量と電流が予め定めた一定値に達っ
するまでの時間との相関々係は時間の基必値として制御
手段曽のマイクロコンピュータ(至)に予め記憶しであ
る。
That is, the larger the load, the longer it takes to stabilize. The correlation between the ideal load amount and the time required for the current to reach a predetermined constant value is stored in advance in the microcomputer of the control means as a basic time value.

制御手段(2)ではトライブック@艶へゲート信号t=
えると、この両信号によりNORゲー)(39iからH
ルベルを出力し、この出力信号により単安定マルチパイ
ブレーター−から駆動電流が立上ってピークを示す頃ま
での時間だけHルベルを出力し、インバータ(8)で反
転させてANDゲート4迄に一方から入力している。従
って、このANDゲート心は負荷検知手段田の比較信号
発生回路(2)の比較信号が入力端子(至)に負荷量検
知信号として入力される前には逆にHiレベルが一方か
ら入力されている。そこで、七−タ(11)が同期速度
近辺の一定速度で電流が一定値に達っして負荷量検知信
号が入力端子(至)K入力されると、ANDゲート。
In the control means (2), try book @ Tsuya gate signal t=
Then, with these two signals, the NOR game) (from 39i to H
Based on this output signal, the drive current from the monostable multipibrator rises and outputs the H level only for the time until it reaches its peak, and is inverted by the inverter (8) and then output to the AND gate 4. Input from one side. Therefore, in this AND gate, before the comparison signal of the comparison signal generation circuit (2) of the load detection means is inputted to the input terminal (to) as a load amount detection signal, a Hi level is inputted from one side. There is. Therefore, when the current of the seventh motor (11) reaches a certain value at a constant speed near the synchronous speed and a load amount detection signal is input to the input terminal (K), an AND gate is activated.

からマイクロコンピュータζ追に到達信号を入力する。The arrival signal is input to the microcomputer ζ.

制御手段□はここまでの時間を測定値として上記基準値
と比較し、この比較結果(負荷量の大小)に応じて脱水
行程中のトライアック(281のOF2時点を決定する
。このOF2時点は大負荷である程早くなり、制御手段
(至)はOF’F後に脱水槽1゛3)が慣性回転し1行
程時間が終了し死時にトライアック艶をOFF’l、て
ソレノイド(141の作動を停止し。
The control means □ compares the time up to this point with the above-mentioned reference value as a measured value, and determines the OF2 point of the triac (281) during the dehydration process according to the result of this comparison (the magnitude of the load amount). The faster the load is, the more the control means (to) turns OFF, the dehydration tank 1-3) rotates inertia, and when one stroke time is over, the triac shine is turned OFF and the solenoid (141) is stopped. death.

閉弁、ブレーキ及びクラッチ解除の各動作を実行させる
。行程終了時の脱水槽(3)の慣性力は、早切り時間で
調整されているので負荷量に拘らず略一定となっており
、その結果ブレーキのきき、ブレーキ作動音(係合孔(
至)と一端折曲片(2)の衝突音)。
Execute the valve closing, brake, and clutch release operations. The inertial force of the dehydration tank (3) at the end of the stroke is adjusted by the early cutting time, so it remains approximately constant regardless of the load amount.
) and the collision sound of the one end bent piece (2)).

振動についても負荷量とは関係なく略均−と成る。The vibration is also approximately equal regardless of the load amount.

、  尚、制御手段(至)のNORゲート翰(別のAN
Dゲートに置換しても良い)は、トライブック@■の双
方にゲート信号が入力された時、即ち脱水行程で作動し
、洗濯行程では作動せず、行程の検出機能を果している
。また、NORゲー)ZからANDゲートEまでのオプ
シ1ンはマイクロコンピュータ缶内に組込んでも良いも
のである。
, Furthermore, the NOR gate (another AN) of the control means (to)
The D gate (which may be replaced with the D gate) operates when a gate signal is input to both of the try books @■, that is, in the spin-drying process, but does not operate in the washing process, and serves a process detection function. Further, the option 1 from the NOR gate Z to the AND gate E may be incorporated into a microcomputer.

(ト)発明の効果 本発明に依れば、脱水行程の終了時に制動手段が働く際
の慣性力を負荷量の多少に拘らず略一定化したので、ブ
レーキ音、振動、ライニングの摩耗を軽減でき、高性能
で耐久性のある脱水機を提供できるものである。
(G) Effects of the Invention According to the present invention, the inertia force when the braking means operates at the end of the dewatering process is made approximately constant regardless of the amount of load, thereby reducing brake noise, vibration, and lining wear. It is possible to provide a high performance and durable dehydrator.

【図面の簡単な説明】 811図は本発明の実施例である全自動洗濯機の要部断
面図、第2図は要部拡大断面図、第5図は制御回路図で
ある。 (1)−・・洗濯兼脱水槽、  U−・モータ、  (
141−・ソレノイド、  12ト・・ブレーキドラム
、 ■−・ブレーキライニング、  +23−・・ブレ
ーキバンド、器−フレーキレバー、@−トライアック(
スイッチ手段)、 ci−・負荷検知手段、 (至)−
制御手段。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 811 is a sectional view of a main part of a fully automatic washing machine according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view of a main part, and FIG. 5 is a control circuit diagram. (1)--Washing and dehydration tank, U-motor, (
141-・Solenoid, 12-・Brake drum, ■-・Brake lining, +23-・・Brake band, device-Flake lever, @-Triac (
switch means), ci-/load detection means, (to)-
control means.

Claims (1)

【特許請求の範囲】[Claims] (1)脱水行程で脱水槽を回転させるモータと、このモ
ータに接続されて脱水行程の終了前にOFFするスイッ
チ手段と、脱水行程終了時に脱水槽或いはモータを制動
する制動手段と、上記モータの駆動電流の変化等から負
荷量を検知する負荷検知手段と、負荷量検知信号に基づ
いて上記スイッチ手段のOFF時点を変化させる制御手
段とから成る脱水機の制御装置。
(1) A motor that rotates the dehydration tank during the dehydration process, a switch connected to the motor and turned off before the end of the dehydration process, a braking unit that brakes the dehydration tank or the motor at the end of the dehydration process; A control device for a dehydrator, comprising a load detection means for detecting a load amount from a change in drive current, etc., and a control means for changing the OFF point of the switch means based on the load amount detection signal.
JP59280940A 1984-12-27 1984-12-27 Controller of dehydrator Pending JPS61154598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59280940A JPS61154598A (en) 1984-12-27 1984-12-27 Controller of dehydrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59280940A JPS61154598A (en) 1984-12-27 1984-12-27 Controller of dehydrator

Publications (1)

Publication Number Publication Date
JPS61154598A true JPS61154598A (en) 1986-07-14

Family

ID=17632033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59280940A Pending JPS61154598A (en) 1984-12-27 1984-12-27 Controller of dehydrator

Country Status (1)

Country Link
JP (1) JPS61154598A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63103886U (en) * 1986-12-24 1988-07-06
JPH03139396A (en) * 1989-10-25 1991-06-13 Matsushita Electric Ind Co Ltd Operating method for full automatic washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63103886U (en) * 1986-12-24 1988-07-06
JPH03139396A (en) * 1989-10-25 1991-06-13 Matsushita Electric Ind Co Ltd Operating method for full automatic washing machine

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