JPH01175890A - Control device for washing machine - Google Patents
Control device for washing machineInfo
- Publication number
- JPH01175890A JPH01175890A JP62334469A JP33446987A JPH01175890A JP H01175890 A JPH01175890 A JP H01175890A JP 62334469 A JP62334469 A JP 62334469A JP 33446987 A JP33446987 A JP 33446987A JP H01175890 A JPH01175890 A JP H01175890A
- Authority
- JP
- Japan
- Prior art keywords
- water level
- water
- level
- change amount
- change
- 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 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 14
- 239000008400 supply water Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は洗濯槽における水位を検知することのできる洗
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 capable of detecting the water level in a washing tub.
従来の技術
従来、この種の洗濯機の制御装置は、第３図に示すよう
な構成であった。第３図において、制御手段１は洗い、
すすぎの一連の逐次動作を制御し、水位検知手段２は洗
濯槽における水位を検知するものである。判別手段３は
、上記水位検知手段２において検知された水位が、所定
の水位以下であるかどうか判別する。また交流電源９と
スイッチング装置５１Ｌ 、５ｂを直列関係に接続し、
撹拌動作を行うモータ７に電力を供給する。前記スイッ
チング装置５１Ｌ、５ｂは双方向性サイリスタ等の半導
体スイッチング装置であシ、モータ７の正転。2. Description of the Related Art Conventionally, a control device for a washing machine of this type has a configuration as shown in FIG. In FIG. 3, the control means 1 wash,
A series of sequential rinsing operations are controlled, and the water level detection means 2 detects the water level in the washing tub. The determining means 3 determines whether the water level detected by the water level detecting means 2 is below a predetermined water level. Furthermore, the AC power supply 9 and the switching devices 51L and 5b are connected in series,
Electric power is supplied to the motor 7 that performs the stirring operation. The switching devices 51L and 5b are semiconductor switching devices such as bidirectional thyristors, and rotate the motor 7 in the normal direction.
逆転を制御する。６は進相用コンデンサである。Control reversal. 6 is a phase advance capacitor.
洗い、すすぎの撹拌中において、上記制御手段１により
モータ７を回転させている時に、随時前記水位検知手段
２により水位を検知し、上記判別手段３により所定の水
位に達しているかどうかの判別を行なうものであった。During agitation for washing and rinsing, while the motor 7 is being rotated by the control means 1, the water level is detected by the water level detection means 2 at any time, and the determination means 3 determines whether the water level has reached a predetermined level. It was something to do.
発明が解決しようとする問題点
このような従来の構成では、特に極少または少量水位に
おいて、撹拌中における水位変化が太きく、正確に水位
検知できないという問題があった。Problems to be Solved by the Invention In such a conventional configuration, there is a problem in that the water level changes greatly during stirring, especially at extremely low or small water levels, making it impossible to accurately detect the water level.
本発明はこのような問題点を解決するもので、撹拌中に
水位の変化量を検出し、変化量が小さくなった時点で水
位を正確に検知することを目的とするものである。The present invention aims to solve these problems by detecting the amount of change in the water level during stirring and accurately detecting the water level when the amount of change becomes small.
・問題点を解決するための手段
この問題点を解決するために本発明は、水位変化量検出
手段を設け、撹拌中に随時水位の変化量を検出しその変
化量が小さくなった時点で判別手段を動作させるもので
ある。・Means for solving the problem In order to solve this problem, the present invention provides a means for detecting the amount of change in water level, detects the amount of change in water level at any time during stirring, and makes a determination when the amount of change becomes small. It is what causes the means to operate.
作用
この構成により、撹拌中に随時水位の変化量を検出して
、水位の変化量が小さくなった時点で水位検知をするこ
とにより、安定した水位のもとて正確に水位検知できる
ようになる。Function: With this configuration, the amount of change in water level is detected at any time during stirring, and the water level is detected when the amount of change in water level becomes small, making it possible to detect water level accurately with a stable water level. .
実施例
以下、本発明の実施例について、第１図、第２図を参照
して説明する。図において、従来例と同一部分には同一
番号を付し説明を省略する。水位変化量検出手段４は撹
拌中水位の変化量を検出するもので、スイッチング装置
６Ｃは給水弁８を、駆動するものである。Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2. In the figure, parts that are the same as those in the conventional example are given the same numbers and explanations will be omitted. The water level change detection means 4 detects the change in water level during stirring, and the switching device 6C drives the water supply valve 8.
洗い、すすぎの撹拌中において、上記水位変化量検出手
段４により、随時水位変化量を検出し、水位の変化量が
小さくなった時点・で、前記水位検知手段２により水位
を検知し、前記判別手段３により所定の水位に達してい
るかどうかの判別を行ない、所定の水位以下であれば、
給水弁８を動作させて所定の水位まで水を補給するもの
である。During stirring during washing and rinsing, the water level change detection means 4 detects the water level change at any time, and when the water level change becomes small, the water level detection means 2 detects the water level and makes the determination. It is determined by means 3 whether the water level has reached a predetermined level, and if the water level is below the predetermined level,
The water supply valve 8 is operated to supply water to a predetermined water level.
次に本実施例の動作をフローチャートを使って説明する
。第２図はマイクロコンピュータで構成される制御手段
１の制御によるフローチャートの要部を示すものである
。Next, the operation of this embodiment will be explained using a flowchart. FIG. 2 shows the main part of a flowchart under the control of the control means 1 constituted by a microcomputer.
ステップ１ｏにおいてマイクロコンピュータ１は、洗い
、すすぎの撹拌中であるかどうか判断し、撹拌中であれ
ばステップ１１で、水位変化量検出手段４により水位変
化量を検出し、ステップ１２で水位の変化量が大きいか
どうか判断し、変化量が小さければ、ステップ１３で水
位検知手段２により水位を検知する。そしてステップ１
４において判別手段３により、所定の設定水位以下であ
るかどうか判別し、所定の水位以下であると判断した場
合は、ステソピ１５において所定の水位まで給水を行な
うものである。In step 1o, the microcomputer 1 determines whether washing or rinsing is being stirred, and if stirring is in progress, in step 11, the water level change amount detection means 4 detects the amount of water level change, and in step 12, the water level change amount is detected. It is determined whether the amount of change is large, and if the amount of change is small, the water level is detected by the water level detection means 2 in step 13. and step 1
In step 4, the determining means 3 determines whether the water level is below a predetermined set water level, and if it is determined that the water level is below the predetermined water level, water is supplied to the stethoscope 15 to a predetermined water level.
発明の効果
以上のように本発明によれば、撹拌中随時、水位の変化
量を検出し、水位の変化量が小さくなった時点で水位を
検知することにより、安定した水位のもとて正確に水位
検知ができるという効果が得られる。Effects of the Invention As described above, according to the present invention, the amount of change in the water level is detected at any time during stirring, and the water level is detected when the amount of change in the water level becomes small. This has the effect of being able to detect the water level.
第１図は本発明の一実施例による洗濯機の制御装置を示
す要部ブロック図、第２図は同制御装置の要部フローチ
ャート、第３図は従来の洗濯機の制御装置を示す要部ブ
ロック図である。
１・・・・・・制御手段、２・・・・・・水位検知手段
、３・・・・・・判別手段、４・・・・・・水位変化量
検出手段、５・・・・・・スイッチング装置、６・・・
・・・進相用コンデンサ、７・・・・・・モータ、８・
・・・・・給水弁、９・・・・・・交流電源。FIG. 1 is a block diagram of the main parts of a washing machine control device according to an embodiment of the present invention, FIG. 2 is a flowchart of the main parts of the same control device, and FIG. 3 is a main part of a conventional washing machine control device. It is a block diagram. 1... Control means, 2... Water level detection means, 3... Discrimination means, 4... Water level change detection means, 5...・Switching device, 6...
... Phase advance capacitor, 7... Motor, 8.
...Water supply valve, 9...AC power supply.
Claims (1)
水位検知手段と、水位の変化量を検出する水位変化量検
出手段と、上記水位検知手段により検知された水位が所
定の水位以下であるかどうか判別する判別手段とを備え
、洗い、すすぎの撹拌中において、上記水位変化量検出
手段により随時水位の変化量を検出し、水位の変化量が
小さくなった時点で、上記水位検知手段により水位を検
知し、上記判別手段により所定の水位に達しているかど
うかの判別を行なうことを特徴とする洗濯機の制御装置
。During washing and rinsing, a water level detection means detects the water level in the washing tub, a water level change amount detection means detects the amount of change in the water level, and it is determined whether the water level detected by the water level detection means is below a predetermined water level. The water level detection means detects the amount of change in the water level at any time during stirring during washing and rinsing, and when the amount of change in the water level becomes small, the water level is detected by the water level detection means. A washing machine control device characterized in that the determining means determines whether or not a predetermined water level has been reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334469A JPH01175890A (en) | 1987-12-29 | 1987-12-29 | Control device for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334469A JPH01175890A (en) | 1987-12-29 | 1987-12-29 | Control device for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01175890A true JPH01175890A (en) | 1989-07-12 |
Family
ID=18277739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62334469A Pending JPH01175890A (en) | 1987-12-29 | 1987-12-29 | Control device for washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01175890A (en) |
-
1987
- 1987-12-29 JP JP62334469A patent/JPH01175890A/en active Pending
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