JPH0326296A - Washing machine - Google Patents
Washing machineInfo
- Publication number
- JPH0326296A JPH0326296A JP1161715A JP16171589A JPH0326296A JP H0326296 A JPH0326296 A JP H0326296A JP 1161715 A JP1161715 A JP 1161715A JP 16171589 A JP16171589 A JP 16171589A JP H0326296 A JPH0326296 A JP H0326296A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- commercial power
- time
- microcomputer
- 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 title claims description 22
- 238000001514 detection method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000009499 grossing Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241000238413 Octopus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】 （イ）産業上の利用分野 本発明は、洗濯機に関する。[Detailed description of the invention] (b) Industrial application fields The present invention relates to a washing machine.
（ロ）従来の技術
従来例として、洗濯槽内に洗濯物を投入した状態で、回
転翼駆動用モータを回転させた時の、回転数データを検
出し、この回転数データに基づいて、洗濯物の量を判定
する洗濯機が、特開昭６２− ２ ，＄ ９ ６ ９
２公報（Ｄ０６Ｆ３３，／０２）に示されている。(b) Conventional technology As a conventional example, when the rotary blade drive motor is rotated with the laundry loaded in the washing tub, the rotation speed data is detected, and based on this rotation speed data, the washing A washing machine that determines the amount of items is published in Japanese Patent Application Laid-Open No. 62-2, $969.
2 (D06F33, /02).
（ハ〉 発明が解決しようとする課題
従来例にあっては、商用電源電圧が変動した場ａ，モー
タのトルクも変化する。即ち、商用電源電圧が高く変動
すると、モータのトルクが大きくなり，低く変動すると
、モータのトルクが小さくなるので、必然的に回転数デ
ータに誤差が生じて、判定精度が低下する問題があった
。(c) Problems to be Solved by the Invention In the conventional example, when the commercial power supply voltage fluctuates, the motor torque also changes. In other words, when the commercial power supply voltage fluctuates high, the motor torque increases, If it fluctuates low, the torque of the motor becomes small, which inevitably causes an error in the rotation speed data, resulting in a problem that the determination accuracy decreases.
本発明は、洗濯機の改良に関し、斯かる問題点を解消す
るものである。The present invention relates to improvements in washing machines and is intended to solve these problems.
（二）課題を解決するための手段
本発明は、洗濯槽内に洗ｉｉ！物を投入した状態での負
荷量データを検出し、この負荷量データに基づいて、洗
濯物の量を判定する洗濯機であって、而用電源電圧を検
出する電圧検出手段と、この電圧検出手段からの信号の
大小に応じて、前記負荷量データに基づく判定基準を変
える制御手段とを設けたものである。(2) Means for Solving the Problems The present invention provides washing equipment in the washing tub! A washing machine that detects load amount data in a state in which items are loaded and determines the amount of laundry based on this load amount data, the washing machine comprising: a voltage detection means for detecting a power supply voltage; and control means for changing the criterion based on the load amount data according to the magnitude of the signal from the means.
前記負荷量データとしては、所定時間経過した時のモー
タの回転数や、モータが所定の回転数になるまでの時間
や、モータ巻線に流れる電流値等を用いる。As the load amount data, the number of rotations of the motor after a predetermined time has elapsed, the time it takes for the motor to reach a predetermined number of rotations, the value of current flowing through the motor windings, etc. are used.
（ホ〉 作用
即ち、商用電源電圧が変動する理由として、匣用時間帯
、クーラー等の消費電力が大きなものと４Ｆ．行運転し
た場合、タコ足配線等がある。(E) Effects, that is, the reasons why the commercial power supply voltage fluctuates include the time for storage, high power consumption of coolers, etc., 4F. row operation, and octopus wiring.
そこで、商用電源電圧の変動を検知し、この変動値に基
づいて判定基準を変えて、商用電源電圧の斐動に関係な
く、常に一定の判定結果を得るようにする。Therefore, fluctuations in the commercial power supply voltage are detected and the determination criteria are changed based on this fluctuation value, so that a constant determination result is always obtained regardless of fluctuations in the commercial power supply voltage.
（へ）実施例 本発明の実施例を各図面に基づいて説明する。(f) Example Embodiments of the present invention will be described based on the drawings.
第１図は洗濯機の制御機構を示し、１は制御の中心とな
るマイクロコンピュータ（以下マイコンと称す、例えば
三洋電機株式会社製ＬＣ−６ ６ ５０６８型）である
。FIG. 1 shows a control mechanism of a washing machine, and numeral 1 indicates a microcomputer (hereinafter referred to as microcomputer, for example, model LC-665068 manufactured by Sanyo Electric Co., Ltd.) which plays a central role in the control.
前記マイコン１は、第３図の通り周知の構戊からなり、
Ｃ Ｐ Ｕ ２ （ｃｅｎｔｒａｌ ｐｒｏｃｅｓｓｉ
ｎｇ ｕｎｉｔ）、Ｒ ．へ Ｍ ３ （ｒａｎｄ
ｏｍ ａｃｃｅｓｓ ｚｅｍｏｒｙ）、 Ｒ
Ｏ Ｍ ４ （ｒｅａｄ ｏｎｌｙ ｍｅ＋ＩＩｏ
ｒｙ）、タイマー５、システムバス６及び入出力装置７
，８から構戒される。The microcomputer 1 has a well-known structure as shown in FIG.
C P U 2 (central process
ng unit), R. to M 3 (rand
om access zemory), R
O M 4 (read only me+IIo
ry), timer 5, system bus 6 and input/output device 7
,8 will be reprimanded.
前記ＣＰじ２は、制御部９と演算部１０とから隋戊され
、前記制御部９は、命令の取り出し及び実１？を行い、
前記演算部１゜Ｏは、命令の実行段階において、制御部
９からの制御信号によって入力ｆｌｌＢやメモリから与
えられるデータに対し、二進加算、論理演算、増減、比
較等の演算処理を行う。前記ＲＡＭ３は、洗濯機に関す
るデータを記憶するためのものであり、前記ＲＯＭ４は
、予め洗濯機を動かすたぬの手段や判断のための条件の
設定、各種情報の処理をするためのルール等を読み込ま
せておくものである。The CP 2 is excluded from the control section 9 and the arithmetic section 10, and the control section 9 is responsible for fetching instructions and executing instructions. and
The arithmetic unit 1°O performs arithmetic processing such as binary addition, logical operation, increase/decrease, and comparison on data provided from the input fllB and memory in response to a control signal from the control unit 9 during the instruction execution stage. The RAM 3 is for storing data related to the washing machine, and the ROM 4 stores in advance the means for operating the washing machine, the setting of conditions for judgment, the rules for processing various information, etc. It should be loaded.
さて、第１図において、１１は洗濯漕、１２はこの洗濯
＄ｌＦ１１の底部に回転自在に配設された回転翼、１３
はこの回転翼１２に大小プーり１４、１５及びベルト１
６を介して連結された駆動モータ、１７はこの駆動モー
タｌ３を周期的にＯＮ，ＯＦＦ制御するモータ制御部、
ｌ８は前記大プーＪ１１に固定された磁石、１９はこの
磁石１８に近接対向するよう配設されたリードスイッチ
で、前記磁石ｌ８が近接した時にＯ Ｎ Ｌ、離間した
時にＯＦＦする。２０は前記リードスイッチ１９のＯ＼
一ＯＦＦ動作をパルス化すると共に、このパルス数を計
測して前記マイコン１に入力する計測部，２１は前記マ
イコン１に直流電圧を供給する直流ｔ源回路，２２は商
用電源電圧を直流化する平滑回路、２３はこの平滑回路
２２からの信号を増幅して前記マイコン１に入力する差
動増幅回路である。Now, in FIG. 1, 11 is a washing tank, 12 is a rotary blade rotatably disposed at the bottom of this washing machine $11, and 13 is a washing tank.
The rotor blade 12 has large and small pulleys 14 and 15 and a belt 1.
A drive motor connected via 6, 17 a motor control unit that periodically controls ON and OFF of this drive motor l3,
Reference numeral 18 is a magnet fixed to the large pool J11, and 19 is a reed switch arranged so as to closely face this magnet 18, which turns ON when the magnet 18 approaches, and turns OFF when the magnet 18 separates. 20 is O\ of the reed switch 19
1. A measurement unit that converts the OFF operation into pulses, measures the number of pulses, and inputs it to the microcomputer 1; 21 is a DC t source circuit that supplies DC voltage to the microcomputer 1; 22 is a DC source circuit that converts the commercial power supply voltage to DC. A smoothing circuit 23 is a differential amplifier circuit that amplifies the signal from the smoothing circuit 22 and inputs it to the microcomputer 1.
そして、前記マイコン１は、前記差動増幅回路２３から
入力されるアナログ信号を、内蔵するＡ／′Ｄ変換器で
デジタル信腎に変換し、更にこの信号を前記ＲＯＭＪ内
に記憶している基準値と比較して、商用電源電圧値Ｖを
３段階（Ｖ＜９５、９５≦Ｖ≦１０５、Ｖ＞１０５）ｌ
：判別する。The microcomputer 1 converts the analog signal input from the differential amplifier circuit 23 into a digital signal using a built-in A/'D converter, and further converts this signal into a reference signal stored in the ROMJ. The commercial power supply voltage value V is set in 3 levels (V<95, 95≦V≦105, V>105) by comparing the
: Determine.
斯かる溝戊に基づく動作を第ｌ図に従って説明する。The operation based on such a groove will be explained with reference to FIG.
前記マイコン１は、洗濯コースが開始されると、まず、
商用電源電圧値Ｖを判別する（Ｓ−ｌ）。次に，負荷量
を検知すべく、センサー水位まで給水し＜Ｓ−２）、前
記駆動モータ１３（回転翼１２）を所定周期で反転させ
る（Ｓ−３）と同時に、計時を開始する＜ｓ−４）。When the washing course is started, the microcomputer 1 first performs the following steps.
The commercial power supply voltage value V is determined (S-1). Next, in order to detect the load amount, water is supplied to the sensor water level <S-2), and the drive motor 13 (rotor blade 12) is reversed at a predetermined period (S-3), and at the same time, time measurement is started <s -4).
そして、前記計測部２０が所定パルス数を計数すると、
この信号が前記マイコン１に入力されるから、前記マイ
コン１は、この信号が入力された時点で、計時を終了し
、これを時間Ｔとして記憶すると共に、前記駆動モータ
１３の反転動作を一旦停止する（Ｓ−５）。Then, when the measuring section 20 counts a predetermined number of pulses,
Since this signal is input to the microcomputer 1, the microcomputer 1 ends timing when this signal is input, stores this as time T, and temporarily stops the reversing operation of the drive motor 13. (S-5).
前記時間Ｔは、負荷量が多い程前記回転翼１２が回転し
にくくなって、長くなるので、前記マイコン１は、この
時間Ｔを、前記ＲＯＭＪ内に記憶している基準値Ａ，Ｂ
（Ａ＜Ｂ）と比較し、負荷量を３段階ｃ大、中、小）
に判定する。The time T becomes longer because the rotor blade 12 becomes more difficult to rotate as the load increases, so the microcomputer 1 sets this time T to reference values A and B stored in the ROMJ.
(Compare with A<B) and change the load amount to 3 levels (large, medium, small)
Judgment is made.
また、商用電源電匡値Ｖが低い程、前記駆動モータｌ３
の回転力が低下するので、本実施例では、商用電源電圧
値Ｖに合わせて、下表の如く前記基準値のレベルを変更
する。Moreover, the lower the commercial power supply voltage value V, the more the drive motor l3
In this embodiment, the level of the reference value is changed according to the commercial power supply voltage value V as shown in the table below.
但し、ＡＩ＜Ａ＜Ａ２、Ｂ １ ＜ＢＩＢ ２而し；、
前記マイコン１は、（Ｓ−１）で判別した商用電源電圧
１ｖに応じた基準値を前記ＲＯＭ４から喰み出して、こ
れらの基準値と前記時間Ｔとを比較し、負荷量を判定す
る（Ｓ−６）（Ｓ−７）（Ｓ一ｓ）。そして、負荷量に
応じた水位、工程時間等を決定する。However, AI<A<A2, B 1 <BIB 2;
The microcomputer 1 reads reference values corresponding to the commercial power supply voltage 1V determined in (S-1) from the ROM 4, compares these reference values with the time T, and determines the load amount ( S-6) (S-7) (S-s). Then, the water level, process time, etc. are determined according to the load amount.
尚、本実施例では、商用電源電圧の判別区分を３段階に
設定したが、更に細分化してもよいことは勿論であり、
また、各電圧区分に合わせて負荷量の基準値を記憶する
こと以外にも、基準値Ａ、Ｂを基に、適宜基準値を演算
するようにしてもよ（ト）発明の効果
本発明の洗濯機の構戒にあっては、商用電源電圧の変動
に左右されることなく、精度の高い負荷量検知を行うこ
とができる。In this embodiment, the classification of commercial power supply voltage is set to three stages, but it is of course possible to further divide the classification into three stages.
Furthermore, in addition to storing the reference value of the load amount according to each voltage category, the reference value may be calculated as appropriate based on the reference values A and B. In the construction of a washing machine, highly accurate load detection can be performed without being affected by fluctuations in the commercial power supply voltage.
・第１図は本発明における洗濯機の動作を示すフローチ
ャート，第２図は同じく制御機構のブロック回路図、第
３図はマイコンの構成図である。
】・・マイクロコンピュータ（制御手段）、１１・・洗
濯漕、１２・・回転翼、１３・・駆動モータ、２２・・
平滑回路、２３・・差動増幅回路（２２、２３：ｔ圧検
出回路）。- Fig. 1 is a flowchart showing the operation of the washing machine according to the present invention, Fig. 2 is a block circuit diagram of the control mechanism, and Fig. 3 is a configuration diagram of the microcomputer. ]... Microcomputer (control means), 11... Washing tank, 12... Rotating blade, 13... Drive motor, 22...
Smoothing circuit, 23... Differential amplifier circuit (22, 23: t pressure detection circuit).
Claims (1)
用モータを回転させた時の、回転数データや電流値デー
タ等の洗濯物の量に起因する負荷量データを検出し、こ
の負荷量データに基づいて、洗濯物の量を判定するもの
であって、商用電源電圧を検出する電圧検出手段と、こ
の電圧検出手段からの信号の大小に応じて、前記負荷量
データに基づく判定基準を変える制御手段とを設けたこ
とを特徴とする洗濯機。(1) Detect load amount data due to the amount of laundry such as rotation speed data and current value data when rotating the rotary blade drive motor with laundry loaded in the washing tub, The amount of laundry is determined based on this load amount data, and the amount of laundry is determined based on the load amount data according to the voltage detection means for detecting the commercial power supply voltage and the magnitude of the signal from this voltage detection means. A washing machine characterized by being provided with a control means for changing determination criteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1161715A JPH0326296A (en) | 1989-06-23 | 1989-06-23 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1161715A JPH0326296A (en) | 1989-06-23 | 1989-06-23 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0326296A true JPH0326296A (en) | 1991-02-04 |
Family
ID=15740504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1161715A Pending JPH0326296A (en) | 1989-06-23 | 1989-06-23 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10211387A (en) * | 1997-01-30 | 1998-08-11 | Matsushita Electric Ind Co Ltd | Washing machine |
| JP2002358038A (en) * | 2001-06-01 | 2002-12-13 | Takuya Okumura | Flag set |
-
1989
- 1989-06-23 JP JP1161715A patent/JPH0326296A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10211387A (en) * | 1997-01-30 | 1998-08-11 | Matsushita Electric Ind Co Ltd | Washing machine |
| JP2002358038A (en) * | 2001-06-01 | 2002-12-13 | Takuya Okumura | Flag set |
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