JPH08252393A - Washing machine - Google Patents
Washing machineInfo
- Publication number
- JPH08252393A JPH08252393A JP7057208A JP5720895A JPH08252393A JP H08252393 A JPH08252393 A JP H08252393A JP 7057208 A JP7057208 A JP 7057208A JP 5720895 A JP5720895 A JP 5720895A JP H08252393 A JPH08252393 A JP H08252393A
- Authority
- JP
- Japan
- Prior art keywords
- washing
- magnetic field
- washing liquid
- metal body
- field generating
- 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 167
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims description 88
- 238000004140 cleaning Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 32
- 238000001514 detection method Methods 0.000 description 18
- 230000005674 electromagnetic induction Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003599 detergent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、洗濯液を循環させて洗
濯物に供給し、かつ洗濯液を加熱して洗濯する洗濯機に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine which circulates a washing liquid to supply it to laundry and heats the washing liquid to wash it.
【０００２】[0002]
【従来の技術】従来、洗濯機は攪拌式の洗濯機が主流と
なっている。この方式の洗濯機は、攪拌翼をモータによ
って回転させ、洗濯物と水を攪拌して洗濯物相互間の摩
擦や洗濯物と洗濯兼脱水槽の内壁および攪拌翼との摩擦
によって汚れを除去している。しかしながら、このよう
な従来の洗濯機では、摩擦で洗濯物を損傷させるといっ
た問題があった。2. Description of the Related Art Conventionally, a washing machine of a stirring type has been mainly used. In this type of washing machine, a stirring blade is rotated by a motor to stir the laundry and water to remove dirt due to friction between the laundry and friction between the laundry and the inner wall of the washing / dehydrating tub and the stirring blade. ing. However, such a conventional washing machine has a problem that the laundry is damaged by friction.
【０００３】以上の問題を解決するため、洗濯液の循環
による洗浄方式が提案されている。すなわち、洗濯液を
ポンプにより循環して洗濯兼脱水槽内部の洗濯物へ供給
すると同時に、洗濯兼脱水槽の回転させて発生する遠心
力によって洗濯物の内部に洗濯液を通過させることによ
り、汚れの除去を行っている。In order to solve the above problems, a washing method by circulating a washing liquid has been proposed. That is, the washing liquid is circulated by a pump and supplied to the laundry inside the washing / dehydrating tub, and at the same time, the centrifugal force generated by the rotation of the washing / dehydrating tub causes the washing liquid to pass through the inside of the washing liquor so that the stains are Is being removed.
【０００４】この洗濯液の循環による洗浄方式は、使用
水量が少量でよいため、洗濯液をヒータによって加熱
し、洗濯液の洗浄効果を高める方式が提案されている。In this washing method by circulating the washing liquid, since a small amount of water is used, it has been proposed that the washing liquid is heated by a heater to enhance the washing effect of the washing liquid.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、一般に
使用されているヒータは、発熱体に電流を流して電気抵
抗による発熱することを利用したものであるため、洗濯
液中にヒータを投入しようとすれば、絶縁性能を確保す
るとともに水漏れを防止することが難しく、ヒータを外
付けにすれば熱効率が極端に悪くなるという問題を有し
ていた。However, since the generally used heater utilizes the fact that an electric current is passed through a heating element to generate heat due to electric resistance, it is apt to put the heater in the washing liquid. In this case, it is difficult to secure the insulation performance and prevent water leakage, and there is a problem that the heat efficiency becomes extremely poor if the heater is attached externally.
【０００６】本発明は上記課題を解決するもので、洗濯
液を効率よくかつ感電の恐れなく加熱することを第１の
目的としている。The present invention is intended to solve the above problems, and has as its first object to efficiently heat a washing liquid without fear of electric shock.
【０００７】また、上記第１の目的を達成するととも
に、発熱体としての磁性金属体を専用に用意する必要を
なくし、部品点数を削減してコストの低減することを第
２の目的としている。A second object of the present invention is to achieve the above-mentioned first object and to eliminate the need to exclusively prepare a magnetic metal body as a heating element, reduce the number of parts and reduce the cost.
【０００８】また、上記第１の目的を達成するととも
に、加熱装置をコンパクトにしてコストを低減し、循環
する洗濯液をむらなく加熱することを第３の目的として
いる。A third object of the present invention is to achieve the first object, to make the heating device compact, to reduce the cost, and to uniformly heat the circulating washing liquid.
【０００９】また、上記第１の目的を達成するととも
に、無駄な電力の消費を抑制し、発熱体の異常な温度上
昇を防ぐことを第４の目的としている。A fourth object of the present invention is to achieve the above-mentioned first object, suppress unnecessary power consumption, and prevent an abnormal temperature rise of the heating element.
【００１０】また、上記第１の目的を達成するととも
に、インバータ回路の利用価値を高めることを第５の目
的としている。A fifth object is to achieve the above first object and to increase the utility value of the inverter circuit.
【００１１】[0011]
【課題を解決するための手段】本発明は上記第１の目的
を達成するために、内部に洗濯兼脱水槽を配設した水受
け槽と、前記洗濯兼脱水槽を回転させる駆動手段と、前
記水受け槽内の洗濯液を循環して前記洗濯兼脱水槽内に
供給する洗濯液循環手段と、洗濯液に接するよう配設し
た磁性金属体と、前記磁性金属体に磁界を加える磁界発
生手段と、前記駆動手段、洗濯液循環手段、磁界発生手
段などの動作を制御する制御手段とを備え、前記制御手
段は、前記磁界発生手段により前記磁性金属体に高周波
磁界を加えながら前記洗濯液循環手段により洗濯液を循
環し前記洗濯兼脱水槽内の洗濯物に供給するように構成
したことを第１の課題解決手段としている。In order to achieve the first object, the present invention has a water receiving tub in which a washing / dehydrating tub is provided, and a drive means for rotating the washing / dehydrating tub. A washing liquid circulating means for circulating the washing liquid in the water receiving tub to supply it to the washing / dehydrating tub, a magnetic metal body arranged so as to be in contact with the washing liquid, and a magnetic field for applying a magnetic field to the magnetic metal body. And a control means for controlling the operation of the driving means, the washing liquid circulating means, the magnetic field generating means, etc., wherein the control means applies the high frequency magnetic field to the magnetic metal body by the magnetic field generating means. The first problem solving means is configured so that the circulation liquid is circulated by the circulation means and is supplied to the laundry in the washing / dehydrating tub.
【００１２】また、第２の目的を達成するために、上記
第１の課題解決手段の磁性金属体を洗濯兼脱水槽の金属
部分で形成したことを第２の課題解決手段としている。In order to achieve the second object, the second problem solving means is that the magnetic metal body of the first problem solving means is formed by the metal portion of the washing / dehydrating tank.
【００１３】また、第３の目的を達成するために、上記
第１の課題解決手段の磁性金属体を洗濯液循環手段内に
設けたことを第３の課題解決手段としている。In order to achieve the third object, the third problem solving means is to provide the magnetic metal body of the first problem solving means in the washing liquid circulating means.
【００１４】また、第４の目的を達成するために、上記
第１の課題解決手段に加えて、水受け槽の水位を検知す
る水位検知手段を備え、制御手段は、前記水位検知手段
により所定水位を検知したとき、磁界発生手段による磁
界の発生を開始するようにしたことを第４の課題解決手
段としている。Further, in order to achieve the fourth object, in addition to the first problem solving means, a water level detecting means for detecting the water level of the water receiving tank is provided, and the control means is predetermined by the water level detecting means. The fourth problem solving means is to start the generation of the magnetic field by the magnetic field generation means when the water level is detected.
【００１５】また、第５の目的を達成するために、上記
第１の課題解決手段の磁界発生手段は、コイルと、コイ
ルに流す交流電源を発生させるインバータ回路とで構成
し、前記インバータ回路により駆動手段を駆動させるよ
う構成したことを第５の課題解決手段としている。In order to achieve the fifth object, the magnetic field generating means of the first problem solving means is composed of a coil and an inverter circuit for generating an AC power source to flow through the coil. The fifth means for solving the problems is configured to drive the driving means.
【００１６】[0016]
【作用】本発明は上記した第１の課題解決手段により、
洗濯液に接するように配設した磁性金属体に磁界発生手
段により発生した磁界を加えることにより、電磁誘導に
より磁性金属体内に渦電流が発生し、磁性金属体自身が
発熱し、発生した熱により洗濯液を加熱して洗濯液の温
度を上昇させることができ、また、発熱体としての磁性
金属体を電気回路と独立して洗濯液中に設けているた
め、洗濯液を効率よく、かつ感電の恐れなく加熱するこ
とができる。According to the first means for solving the above problems, the present invention provides:
By applying a magnetic field generated by the magnetic field generating means to the magnetic metal body arranged so as to contact the washing liquid, an eddy current is generated in the magnetic metal body by electromagnetic induction, the magnetic metal body itself generates heat, and the generated heat causes The washing liquid can be heated to raise the temperature of the washing liquid, and since the magnetic metal body as a heating element is provided in the washing liquid independently of the electric circuit, the washing liquid can be efficiently and electrocuted. It can be heated without fear.
【００１７】また、第２の課題解決手段により、発熱体
としての磁性金属体を専用に用意する必要がなく、部品
点数を削減できてコストを低減することができる。Further, according to the second means for solving the problem, it is not necessary to exclusively prepare the magnetic metal body as the heating element, so that the number of parts can be reduced and the cost can be reduced.
【００１８】また、第３の課題解決手段により、洗濯液
を加熱する加熱装置をコンパクトに構成することがで
き、コストを低減できるとともに、循環する洗濯液をむ
らなく加熱することができる。Further, by the third means for solving the problems, the heating device for heating the washing liquid can be made compact, the cost can be reduced, and the circulating washing liquid can be uniformly heated.
【００１９】また、第４の課題解決手段により、水受け
槽内に所定水位まで給水した後、磁界発生手段により磁
界を発生して洗濯液を加熱するため、無駄な電力の消費
を押さえることができるとともに、発熱体としての磁性
金属体の異常な温度上昇を防ぐことができる。Further, according to the fourth means for solving the problems, after the water is supplied to the predetermined level in the water receiving tank, the magnetic field is generated by the magnetic field generating means to heat the washing liquid, so that wasteful power consumption can be suppressed. In addition, it is possible to prevent an abnormal temperature rise of the magnetic metal body serving as the heating element.
【００２０】また、第５の課題解決手段により、電磁誘
導加熱に用いるインバータ回路をモータの駆動にも用い
ることで、インバータ回路の利用価値を高めることがで
きる。According to the fifth means for solving problems, the utility value of the inverter circuit can be increased by using the inverter circuit used for electromagnetic induction heating also for driving the motor.
【００２１】[0021]
【実施例】以下、本発明の第１実施例を図１から図３を
参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
【００２２】図１に示すように、洗濯機外枠１は、４本
の吊り棒２により水受け槽３を吊り下げている。洗濯兼
脱水槽（以下、洗濯槽という）４は、水受け槽３内に回
転自在に配設し、洗濯槽４の底部に攪拌翼５を回転自在
に配設している。モータ（駆動手段）６は、Ｖベルト７
および減速機構８を介して攪拌翼５および洗濯槽４を駆
動する。給水手段９は洗濯槽４内に給水するもので、水
位検知手段１０は水受け槽３内の洗濯水位を検知する。
排水手段１１は、水受け槽３内の洗濯液を排水するもの
である。As shown in FIG. 1, the washing machine outer frame 1 suspends a water receiving tub 3 by four suspension bars 2. A washing / dehydrating tub (hereinafter referred to as a washing tub) 4 is rotatably arranged in the water receiving tub 3, and a stirring blade 5 is rotatably arranged at the bottom of the washing tub 4. The motor (driving means) 6 is a V belt 7
The stirring blade 5 and the washing tub 4 are driven via the speed reduction mechanism 8. The water supply means 9 supplies water into the washing tub 4, and the water level detection means 10 detects the washing water level in the water receiving tub 3.
The drainage means 11 drains the washing liquid in the water receiving tank 3.
【００２３】制御装置１２は、洗濯、すすぎ、脱水の一
連の行程を逐次制御するもので、洗濯機本体１の上面に
設けている。洗濯液循環手段１３は、水受け槽３内の洗
濯液を循環するもので、循環ポンプ１４と、この循環ポ
ンプ１４と水受け槽３の底部との間を接続する第１の循
環経路１５と、循環ポンプ１４と洗濯槽４の上部に設け
た散水ノズル１６との間を接続する第２の循環経路１７
とで構成している。循環ポンプ１４を駆動することで、
水受け槽３内の洗濯液を循環して洗濯槽４内の衣類に洗
濯液を供給するようにしている。The control device 12 is provided on the upper surface of the main body 1 of the washing machine for sequentially controlling a series of steps of washing, rinsing and dehydrating. The washing liquid circulation means 13 circulates the washing liquid in the water receiving tub 3, and includes a circulation pump 14 and a first circulation path 15 connecting the circulation pump 14 and the bottom of the water receiving tub 3. The second circulation path 17 connecting between the circulation pump 14 and the water spray nozzle 16 provided on the upper part of the washing tub 4.
It consists of and. By driving the circulation pump 14,
The washing liquid in the water receiving tub 3 is circulated to supply the washing liquid to the clothes in the washing tub 4.
【００２４】水受け槽３の内底部には、図２に示すよう
に、磁性金属体１８を洗濯液に接するように配設すると
ともに洗濯液温度検知手段１９を設け、水受け槽３の外
側には磁性金属体１８を囲むように加熱用のコイル２０
を設けている。At the inner bottom of the water receiving tub 3, as shown in FIG. 2, a magnetic metal body 18 is arranged so as to be in contact with the washing liquid, and a washing liquid temperature detecting means 19 is provided. The heating coil 20 surrounds the magnetic metal body 18.
Is provided.
【００２５】制御装置１２は図３に示すように構成して
おり、制御手段２１は、操作表示手段２２により各種設
定の入力と各種動作の表示を行い、パワースイッチング
手段２３を介して、モータ６、給水手段９、排水手段１
１、循環ポンプ１４を逐次制御する。磁界発生手段２４
は高周波インバータ回路２５とコイル２０により構成
し、制御手段２１により高周波インバータ回路２５を制
御することで、コイル２０に高周波電力を供給し、高周
波磁界を発生する。The control device 12 is constructed as shown in FIG. 3, and the control means 21 inputs various settings and displays various operations by the operation display means 22, and the motor 6 via the power switching means 23. , Water supply means 9, drainage means 1
1. The circulation pump 14 is sequentially controlled. Magnetic field generating means 24
Is composed of a high-frequency inverter circuit 25 and a coil 20, and the control means 21 controls the high-frequency inverter circuit 25 to supply high-frequency power to the coil 20 and generate a high-frequency magnetic field.
【００２６】記憶手段２６は制御手段２１による逐次制
御に必要なデータを記憶している。布量検知手段２７
は、洗濯槽４内の洗濯物（衣類）の量を検知するもの
で、その検知結果を制御手段２１に出力している。水位
検知手段１０は水受け槽３内の水位の検知結果を制御手
段２１に出力し、洗濯液温度検知手段１９は洗濯液の温
度の検知結果を制御手段２１に出力している。なお、２
８はモータ６の進相用コンデンサ、２９は電源スイッ
チ、３０は商用電源である。The storage means 26 stores data required for the sequential control by the control means 21. Cloth amount detecting means 27
Detects the amount of laundry (clothes) in the washing tub 4, and outputs the detection result to the control means 21. The water level detection means 10 outputs the detection result of the water level in the water receiving tank 3 to the control means 21, and the washing liquid temperature detection means 19 outputs the detection result of the temperature of the washing liquid to the control means 21. In addition, 2
Reference numeral 8 is a phase advancing capacitor for the motor 6, 29 is a power switch, and 30 is a commercial power source.
【００２７】上記構成において図４を参照しながら動作
を説明すると、洗濯槽４内に衣類と洗剤を投入して運転
を開始し、ステップ４１にて制御手段２１は給水手段９
を作動し、洗濯に必要な水量を給水する。給水が完了す
るとステップ４２に進み、循環ポンプ１４を作動し、洗
濯液を循環して衣類の上部より洗濯液をかけるととも
に、磁界発生手段２４を作動し高周波磁界を発生する。
発生した磁界が水受け槽３内の磁性金属体１８に加わ
り、電磁誘導により磁性金属体１８内に渦電流が発生
し、磁性金属体１８自身が発熱する。発生した熱により
洗濯液を加熱し、洗濯液の温度を上昇させる。The operation of the above structure will be described with reference to FIG. 4. The operation is started by putting clothes and detergent into the washing tub 4, and the control means 21 controls the water supply means 9 in step 41.
To activate and supply the amount of water required for washing. When the water supply is completed, the routine proceeds to step 42, in which the circulation pump 14 is operated to circulate the washing liquid to apply the washing liquid from the upper part of the clothes, and the magnetic field generating means 24 is activated to generate the high frequency magnetic field.
The generated magnetic field is applied to the magnetic metal body 18 in the water receiving tank 3, an eddy current is generated in the magnetic metal body 18 by electromagnetic induction, and the magnetic metal body 18 itself generates heat. The generated heat heats the washing liquid to raise the temperature of the washing liquid.
【００２８】ステップ４３、４４にて、洗濯液の温度上
昇を洗濯液温度検知手段１９により検知し、検知結果Ｔ
が所定値Ｔ０より高くなるまでこの監視を続ける。検知
結果Ｔが所定値Ｔ０を越えるとステップ４５に進み、磁
界発生手段２４の動作を停止し加熱を止める。加熱が終
了したならステップ４６に進み、温水となった洗濯液で
洗濯液を循環させながら所定の洗濯行程を実施する。In steps 43 and 44, the temperature rise of the washing liquid is detected by the washing liquid temperature detecting means 19, and the detection result T
This monitoring is continued until is higher than the predetermined value T0. When the detection result T exceeds the predetermined value T0, the routine proceeds to step 45, where the operation of the magnetic field generating means 24 is stopped and the heating is stopped. When the heating is completed, the routine proceeds to step 46, where a predetermined washing step is carried out while circulating the washing liquid with the washing liquid which has become warm water.
【００２９】このように本実施例によれば、洗濯液に接
するように配設した磁性金属体１８に磁界発生手段２４
により発生した磁界を加えることにより、電磁誘導によ
り磁性金属体１８内に渦電流が発生し、磁性金属体１８
自身が発熱し、発生した熱により洗濯液を加熱して洗濯
液の温度を上昇させることができ、また、発熱体として
の磁性金属体１８を電気回路と独立して洗濯液中に設け
ているため、洗濯液を効率よくかつ感電の恐れなく加熱
することができる。As described above, according to the present embodiment, the magnetic field generating means 24 is attached to the magnetic metal member 18 arranged so as to contact the washing liquid.
An eddy current is generated in the magnetic metal body 18 by electromagnetic induction by applying the magnetic field generated by the magnetic metal body 18
It itself generates heat, and the generated heat can heat the washing liquid to raise the temperature of the washing liquid, and the magnetic metal body 18 as a heating element is provided in the washing liquid independently of the electric circuit. Therefore, the washing liquid can be efficiently heated without fear of electric shock.
【００３０】なお、上記実施例では、磁界発生手段２４
を洗濯液温度検知手段１９の検知結果が所定値以上にな
ると停止するようにしているが、洗濯液温度検知手段１
９を設けず、所定時間後としてもよい。また、洗濯行程
は加熱が終了してから実行するようにしているが、加熱
の開始と同時、または加熱途中としてもよい。また、循
環ポンプ１４を磁界発生手段２４の作動と同時に作動す
るようにしているが、磁界発生手段２４の動作と関連の
ない動作をしてもよい。In the above embodiment, the magnetic field generating means 24
The washing liquid temperature detecting means 19 is stopped when the detection result of the washing liquid temperature detecting means 19 exceeds a predetermined value.
9 may not be provided and may be after a predetermined time. Although the washing process is performed after the heating is finished, it may be performed at the same time as the heating is started or during the heating. Further, although the circulation pump 14 is operated at the same time as the operation of the magnetic field generating means 24, an operation unrelated to the operation of the magnetic field generating means 24 may be performed.
【００３１】つぎに、本発明の第２の実施例を図５を参
照しながら説明する。図に示すように、洗濯槽３１は、
胴部３２を磁性金属体で形成しており、この胴部３２の
外方の水受け槽３の外側に磁界発生手段２４のコイル３
３を設けている。他の構成は上記第１の実施例と同じで
ある。Next, a second embodiment of the present invention will be described with reference to FIG. As shown in the figure, the washing tub 31 is
The body 32 is formed of a magnetic metal body, and the coil 3 of the magnetic field generating means 24 is provided outside the water receiving tank 3 outside the body 32.
3 are provided. The other structure is the same as that of the first embodiment.
【００３２】上記構成において動作を説明すると、コイ
ル３３による高周波磁界で洗濯槽３１の胴部３２を発熱
させ、胴部３２に接している洗濯液に熱を伝えて洗濯液
を加熱する。その他の動作は上記第１の実施例と同様で
ある。The operation of the above structure will be described. The high frequency magnetic field generated by the coil 33 causes the body 32 of the washing tub 31 to generate heat, and the heat is transferred to the washing liquid in contact with the body 32 to heat the washing liquid. Other operations are the same as those in the first embodiment.
【００３３】このように本実施例によれば、発熱体とし
ての磁性金属体を専用に用意する必要がなくなり、部品
点数を減らすことができ、コストを削減することができ
る。As described above, according to this embodiment, it is not necessary to specially prepare the magnetic metal body as the heating element, the number of parts can be reduced, and the cost can be reduced.
【００３４】つぎに、本発明の第３の実施例を図６を参
照しながら説明する。図に示すように、磁性金属体３４
は、円筒状として洗濯液循環手段１３を形成する第１の
循環経路１５内に設け、この第１の循環経路１５の外側
にコイル３５を設けている。他の構成は上記第１の実施
例と同じである。Next, a third embodiment of the present invention will be described with reference to FIG. As shown in FIG.
Is provided in the first circulation path 15 that forms the washing liquid circulation means 13 in a cylindrical shape, and the coil 35 is provided outside the first circulation path 15. The other structure is the same as that of the first embodiment.
【００３５】上記構成において動作を説明すると、コイ
ル３５による高周波磁界で第１の循環経路１５内の磁性
金属体３４を発熱させ、第１の循環経路１５内を通過す
る洗濯液に熱を伝えて洗濯液を加熱する。その他の動作
は上記第１の実施例と同様である。The operation of the above structure will be described. The high frequency magnetic field generated by the coil 35 causes the magnetic metal body 34 in the first circulation path 15 to generate heat, and the heat is transmitted to the washing liquid passing through the first circulation path 15. Heat the washing liquid. Other operations are the same as those in the first embodiment.
【００３６】このように本実施例によれば、洗濯液を加
熱する加熱装置をコンパクトにできてコストを低減でき
るとともに、循環する洗濯液をむらなく加熱することが
できる。As described above, according to this embodiment, the heating device for heating the washing liquid can be made compact and the cost can be reduced, and the circulating washing liquid can be uniformly heated.
【００３７】なお、上記実施例では、磁性金属体３４と
コイル３５を第１の循環経路１５に設けているが、第２
の循環経路１７に設けてもよい。Although the magnetic metal member 34 and the coil 35 are provided in the first circulation path 15 in the above embodiment,
It may be provided in the circulation path 17 of FIG.
【００３８】つぎに、本発明の第４の実施例について説
明する。図３における制御手段２１は、水位検知手段１
０により磁性金属体１８を洗濯液が覆う水位（所定水
位）以上を検知したとき、磁界発生手段２４による磁界
の発生を開始するようにしている。他の構成は上記第１
または第２の実施例と同じである。Next, a fourth embodiment of the present invention will be described. The control means 21 in FIG. 3 is the water level detection means 1
When 0 or more is detected above the water level (predetermined water level) covering the magnetic metal body 18 with the washing liquid, the magnetic field generation means 24 starts generating the magnetic field. Other configurations are the above first
Alternatively, it is the same as the second embodiment.
【００３９】上記構成において図７を参照しながら動作
を説明すると、洗濯槽４内に衣類と洗剤を投入し運転を
開始し、ステップ５１にて給水手段９を作動し給水を開
始する。ステップ５２、５３にて、水位検知手段１０の
検知結果ｈが磁性金属体１８を洗濯液が覆う水位ｈ１を
越えるときまで検知をつづける。検知結果ｈが水位ｈ１
を越えるとステップ５４に進み、循環ポンプ１４を作動
し洗濯液を循環させるとともに、磁界発生手段２４を作
動し洗濯液の加熱を開始する。そして、そのまま給水を
つづけ、水位ｈと温度Ｔを監視する。The operation of the above structure will be described with reference to FIG. 7. The clothes and detergent are put into the washing tub 4 to start the operation, and in step 51, the water supply means 9 is operated to start the water supply. In steps 52 and 53, the detection is continued until the detection result h of the water level detection means 10 exceeds the water level h1 where the washing liquid covers the magnetic metal body 18. Detection result h is water level h1
When it exceeds, the process proceeds to step 54, in which the circulation pump 14 is operated to circulate the washing liquid, and the magnetic field generating means 24 is operated to start heating the washing liquid. Then, the water supply is continued as it is, and the water level h and the temperature T are monitored.
【００４０】ステップ５５、５６で水位の検知結果が所
定値ｈ０に達すると、ステップ５７に進み給水手段９を
停止し、ステップ６０、６１にて洗濯液温度検知手段１
９による温度の検知結果Ｔが所定値Ｔ０に達すると、ス
テップ６２にて磁界発生手段２４を停止する。ステップ
５８、５９とステップ６３、６４斗で給水手段９と磁界
発生手段２４の両方を停止した後、ステップ６５にて温
水となった洗濯液を循環させながら所定の洗濯行程を実
施する。When the water level detection result reaches the predetermined value h0 in steps 55 and 56, the flow proceeds to step 57, the water supply means 9 is stopped, and in steps 60 and 61 the washing liquid temperature detection means 1
When the temperature detection result T by 9 reaches a predetermined value T0, the magnetic field generating means 24 is stopped in step 62. After stopping both the water supply means 9 and the magnetic field generating means 24 in steps 58 and 59 and steps 63 and 64, a predetermined washing step is carried out while circulating the washing water which has become warm water in step 65.
【００４１】このように本実施例によれば、水受け槽３
内に所定水位まで給水した後、磁界発生手段２４により
磁界を発生して洗濯液を加熱するため、無駄な電力の消
費を押さえることができるとともに、発熱体としての磁
性金属体１８の異常な温度上昇を防ぐことができる。As described above, according to this embodiment, the water receiving tank 3
After the water is supplied up to a predetermined water level, the magnetic field is generated by the magnetic field generating means 24 to heat the washing liquid, so that wasteful power consumption can be suppressed and the abnormal temperature of the magnetic metal body 18 as a heating element can be suppressed. You can prevent the rise.
【００４２】なお、上記実施例では、磁界発生手段２４
を洗濯液温度検知手段１９の検知結果が所定値以上にな
ると停止するようにしているが、洗濯液温度検知手段１
９を設けず、所定時間後としてもよい。また、洗濯行程
は加熱が終了してから実行するようにしているが、給水
の終了と同時、または終了後所定時間後としてもよい。
また、循環ポンプ１４を磁界発生手段２４の作動と同時
に作動するようにしているが、磁界発生手段２４の動作
と関連のない動作をしてもよい。In the above embodiment, the magnetic field generating means 24
The washing liquid temperature detecting means 19 is stopped when the detection result of the washing liquid temperature detecting means 19 exceeds a predetermined value.
9 may not be provided and may be after a predetermined time. Although the washing process is performed after the heating is finished, it may be performed at the same time as the end of the water supply or a predetermined time after the end.
Further, although the circulation pump 14 is operated at the same time as the operation of the magnetic field generating means 24, an operation unrelated to the operation of the magnetic field generating means 24 may be performed.
【００４３】つぎに、本発明の第５の実施例を図８を参
照しながら説明する。なお、上記第１の実施例と同じ構
成のものは同一符号を付して説明を省略する。Next, a fifth embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
【００４４】図に示すように、制御手段３６は、インバ
ータ用パワースイッチング手段３７を制御して、インバ
ータ回路３８よりモータ６と加熱用のコイル２０に逐次
電力を加える。また、制御手段３６はインバータ回路３
８を制御し、出力電力の周波数を制御できるようにし
て、制御装置３９を構成している。他の構成は上記第１
の実施例と同じである。As shown in the figure, the control means 36 controls the inverter power switching means 37 to sequentially apply electric power from the inverter circuit 38 to the motor 6 and the heating coil 20. Further, the control means 36 is the inverter circuit 3
8 to control the frequency of the output power, the control device 39 is configured. Other configurations are the above first
Is the same as the embodiment described above.
【００４５】上記構成において動作を説明すると、イン
バータ回路３８の出力電力を高周波（たとえば、２０ｋ
Ｈｚ以上）にして、インバータ用パワースイッチング手
段３７によりコイル２０に電力を供給すると磁界を発生
し、磁性金属体１８を加熱する。出力電力の周波数を変
動することにより発熱量を変化させることができる。The operation of the above configuration will be described. The output power of the inverter circuit 38 is high frequency (for example, 20 k).
(Hz or more) and power is supplied to the coil 20 by the inverter power switching means 37, a magnetic field is generated and the magnetic metal body 18 is heated. The amount of heat generation can be changed by changing the frequency of the output power.
【００４６】また、インバータ回路３８の出力電力を低
周波（たとえば、６０Ｈｚ以下）にして、インバータ用
パワースイッチング手段３７によりモータ６に電力を供
給すると、モータ６は供給電力の周波数に応じたトルク
特性をもって回転する。出力電力の周波数を制御するこ
とにより、モータ６のトルク特性を制御することがで
き、モータ６の回転速度、回転トルクを調節することが
できる。When the output power of the inverter circuit 38 is set to a low frequency (for example, 60 Hz or less) and power is supplied to the motor 6 by the inverter power switching means 37, the motor 6 has a torque characteristic according to the frequency of the supplied power. To rotate. By controlling the frequency of the output power, the torque characteristic of the motor 6 can be controlled, and the rotation speed and the rotation torque of the motor 6 can be adjusted.
【００４７】このように本実施例によれば、電磁誘導加
熱に用いるインバータ回路３８をモータ６の駆動にも用
いることで、インバータ回路３８の利用価値を高めるこ
とができる。As described above, according to this embodiment, the utility value of the inverter circuit 38 can be increased by using the inverter circuit 38 used for electromagnetic induction heating also for driving the motor 6.
【００４８】[0048]
【発明の効果】以上のように本発明は、内部に洗濯兼脱
水槽を配設した水受け槽と、前記洗濯兼脱水槽を回転さ
せる駆動手段と、前記水受け槽内の洗濯液を循環して前
記洗濯兼脱水槽内に供給する洗濯液循環手段と、洗濯液
に接するよう配設した磁性金属体と、前記磁性金属体に
磁界を加える磁界発生手段と、前記駆動手段、洗濯液循
環手段、磁界発生手段などの動作を制御する制御手段と
を備え、前記制御手段は、前記磁界発生手段により前記
磁性金属体に高周波磁界を加えながら前記洗濯液循環手
段により洗濯液を循環し前記洗濯兼脱水槽内の洗濯物に
供給するように構成したから、洗濯液に接するように配
設した磁性金属体を磁界発生手段により発生した磁界に
よる電磁誘導により発熱させることができ、発生した熱
により洗濯液を加熱して洗濯液の温度を上昇させること
ができ、発熱体としての磁性金属体を電気回路と独立し
て洗濯液中に設けているため、洗濯液を効率よく、かつ
感電の恐れなく加熱することができる。As described above, according to the present invention, the water receiving tub having the washing and dehydrating tub disposed therein, the driving means for rotating the washing and dehydrating tub, and the washing liquid in the water receiving tub are circulated. A washing liquid circulating means for supplying the washing liquid to the washing / dehydrating tub, a magnetic metal body arranged in contact with the washing liquid, a magnetic field generating means for applying a magnetic field to the magnetic metal body, the driving means, and a washing liquid circulation. And a control unit for controlling the operation of the magnetic field generating unit, the control unit circulating the washing liquid by the washing liquid circulating unit while applying a high frequency magnetic field to the magnetic metal body by the magnetic field generating unit. Since it is configured so as to be supplied to the laundry in the dehydration tub as well, the magnetic metal body arranged so as to be in contact with the washing liquid can be heated by electromagnetic induction by the magnetic field generated by the magnetic field generating means, and the generated heat Add washing liquid Since the temperature of the washing liquid can be raised by using the magnetic metal body as a heating element independent of the electric circuit in the washing liquid, the washing liquid can be heated efficiently and without fear of electric shock. You can
【００４９】また、磁性金属体を洗濯兼脱水槽の金属部
分で形成したから、発熱体としての磁性金属体を専用に
用意する必要がなく、部品点数を削減できてコストを低
減することができる。Further, since the magnetic metal body is formed of the metal portion of the washing / dehydrating tub, it is not necessary to prepare a magnetic metal body as a heating element for exclusive use, and the number of parts can be reduced and the cost can be reduced. .
【００５０】また、磁性金属体を洗濯液循環手段内に設
けたから、洗濯液を加熱する加熱装置をコンパクトにで
きてコストを低減できるとともに、循環する洗濯液をむ
らなく加熱することができる。Further, since the magnetic metal body is provided in the washing liquid circulating means, the heating device for heating the washing liquid can be made compact, the cost can be reduced, and the circulating washing liquid can be uniformly heated.
【００５１】また、水受け槽の水位を検知する水位検知
手段を備え、制御手段は、前記水位検知手段により所定
水位を検知したとき、磁界発生手段による磁界の発生を
開始するようにしたから、水受け槽内に所定水位まで給
水した後、磁界発生手段により磁界を発生して洗濯液を
加熱するため、無駄な電力の消費を押さえることができ
るとともに、発熱体としての磁性金属体の異常な温度上
昇を防ぐことができる。Further, the water level detecting means for detecting the water level in the water receiving tank is provided, and the control means starts the generation of the magnetic field by the magnetic field generating means when the predetermined water level is detected by the water level detecting means. After the water is supplied to the predetermined level in the water receiving tank, the magnetic field is generated by the magnetic field generating means to heat the washing liquid, so that it is possible to suppress the wasteful consumption of electric power and the abnormal magnetic metal body as the heating element. The temperature rise can be prevented.
【００５２】また、磁界発生手段は、コイルと、コイル
に流す交流電源を発生させるインバータ回路とで構成
し、前記インバータ回路により駆動手段を駆動させるよ
う構成したから、電磁誘導加熱に用いるインバータ回路
をモータの駆動にも用いることができ、インバータ回路
の利用価値を高めることができる。Further, since the magnetic field generating means is composed of a coil and an inverter circuit for generating an AC power source to flow through the coil, and the driving means is driven by the inverter circuit, the inverter circuit used for electromagnetic induction heating is It can also be used to drive a motor, and the utility value of the inverter circuit can be increased.
【図１】本発明の第１の実施例の洗濯機の断面図FIG. 1 is a sectional view of a washing machine according to a first embodiment of the present invention.
【図２】同洗濯機の要部の一部切欠した拡大斜視図FIG. 2 is an enlarged perspective view in which a main part of the washing machine is partially cut away.
【図３】同洗濯機のブロック回路図FIG. 3 is a block circuit diagram of the washing machine.
【図４】同洗濯機の動作フローチャートFIG. 4 is an operation flowchart of the washing machine.
【図５】本発明の第２の実施例の洗濯機の要部の一部切
欠した斜視図FIG. 5 is a partially cutaway perspective view of a main part of a washing machine according to a second embodiment of the present invention.
【図６】本発明の第３の実施例の洗濯機の要部の一部切
欠した斜視図FIG. 6 is a partially cutaway perspective view of a main part of a washing machine according to a third embodiment of the present invention.
【図７】本発明の第４の実施例の洗濯機の動作フローチ
ャートFIG. 7 is an operation flowchart of the washing machine according to the fourth embodiment of the present invention.
【図８】本発明の第５の実施例の洗濯機のブロック回路
図FIG. 8 is a block circuit diagram of a washing machine according to a fifth embodiment of the present invention.
３ 水受け槽 ４ 洗濯兼脱水槽 ６ モータ（駆動手段） １３ 洗濯液循環手段 １８ 磁性金属体 ２１ 制御手段 ２４ 磁界発生手段 3 Water Receiving Tank 4 Washing / Dehydrating Tank 6 Motor (Drive Means) 13 Washing Liquid Circulating Means 18 Magnetic Metal Body 21 Control Means 24 Magnetic Field Generating Means
Claims (5)
と、前記洗濯兼脱水槽を回転させる駆動手段と、前記水
受け槽内の洗濯液を循環して前記洗濯兼脱水槽内に供給
する洗濯液循環手段と、洗濯液に接するよう配設した磁
性金属体と、前記磁性金属体に磁界を加える磁界発生手
段と、前記駆動手段、洗濯液循環手段、磁界発生手段な
どの動作を制御する制御手段とを備え、前記制御手段
は、前記磁界発生手段により前記磁性金属体に高周波磁
界を加えながら前記洗濯液循環手段により洗濯液を循環
し前記洗濯兼脱水槽内の洗濯物に供給するように構成し
た洗濯機。1. A water receiving tub having a washing / dehydrating tub disposed therein, a driving unit for rotating the washing / dehydrating tub, and a washing liquid in the water receiving tub being circulated to circulate the washing / dehydrating tub. To the washing liquid, a magnetic metal body arranged to be in contact with the washing liquid, a magnetic field generating means for applying a magnetic field to the magnetic metal body, and an operation of the driving means, the washing liquid circulating means, the magnetic field generating means, etc. And a control means for controlling the cleaning means, wherein the control means circulates the washing liquid by the washing liquid circulating means while applying a high frequency magnetic field to the magnetic metal body by the magnetic field generating means to wash the laundry in the washing and dehydrating tub. A washing machine configured to supply.
形成した請求項１記載の洗濯機。2. The washing machine according to claim 1, wherein the magnetic metal body is formed of a metal portion of a washing / dehydrating tub.
請求項１記載の洗濯機。3. The washing machine according to claim 1, wherein the magnetic metal body is provided in the washing liquid circulating means.
を備え、制御手段は、前記水位検知手段により所定水位
を検知したとき、磁界発生手段による磁界の発生を開始
するようにした請求項１〜３のいずれか１項に記載の洗
濯機。4. A water level detecting means for detecting the water level of the water receiving tank, wherein the control means starts the generation of the magnetic field by the magnetic field generating means when the predetermined water level is detected by the water level detecting means. The washing machine according to any one of 1 to 3.
す交流電源を発生させるインバータ回路とで構成し、前
記インバータ回路により駆動手段を駆動させるよう構成
した請求項１〜４のいずれか１項に記載の洗濯機。5. The magnetic field generating means comprises a coil and an inverter circuit for generating an AC power source to flow through the coil, and the driving means is driven by the inverter circuit. The washing machine described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7057208A JPH08252393A (en) | 1995-03-16 | 1995-03-16 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7057208A JPH08252393A (en) | 1995-03-16 | 1995-03-16 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08252393A true JPH08252393A (en) | 1996-10-01 |
Family
ID=13049103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7057208A Pending JPH08252393A (en) | 1995-03-16 | 1995-03-16 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08252393A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100808152B1 (en) * | 2001-05-30 | 2008-02-29 | 엘지전자 주식회사 | lint collecting device for washing machine |
| KR100808151B1 (en) * | 2001-05-15 | 2008-02-29 | 엘지전자 주식회사 | lint collecting device for washing machine |
| WO2018038382A1 (en) * | 2016-08-25 | 2018-03-01 | Lg Electronics Inc. | Laundry apparatus |
| EP3530795A1 (en) * | 2018-02-23 | 2019-08-28 | LG Electronics Inc. -1- | Washing machine and control method of washing machine |
| EP3246452B1 (en) | 2016-05-19 | 2020-05-06 | Miele & Cie. KG | Washing machine for washing laundry |
| EP3246451B1 (en) | 2016-05-19 | 2020-06-24 | Miele & Cie. KG | Method for washing laundry, method and device for operating a washing machine and washing machine for washing laundry |
| WO2021032036A1 (en) * | 2019-08-20 | 2021-02-25 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method therefor |
| EP3875667A1 (en) * | 2018-02-23 | 2021-09-08 | LG Electronics, Inc. | Washing machine and control method of washing machine |
| CN113605055A (en) * | 2021-09-14 | 2021-11-05 | 海信（山东）冰箱有限公司 | Drum washing machine |
-
1995
- 1995-03-16 JP JP7057208A patent/JPH08252393A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100808151B1 (en) * | 2001-05-15 | 2008-02-29 | 엘지전자 주식회사 | lint collecting device for washing machine |
| KR100808152B1 (en) * | 2001-05-30 | 2008-02-29 | 엘지전자 주식회사 | lint collecting device for washing machine |
| EP3246451B2 (en) † | 2016-05-19 | 2023-03-29 | Miele & Cie. KG | Method and device for operating a washing machine |
| EP3246452B1 (en) | 2016-05-19 | 2020-05-06 | Miele & Cie. KG | Washing machine for washing laundry |
| EP3246451B1 (en) | 2016-05-19 | 2020-06-24 | Miele & Cie. KG | Method for washing laundry, method and device for operating a washing machine and washing machine for washing laundry |
| US11008694B2 (en) | 2016-08-25 | 2021-05-18 | Lg Electronics Inc. | Laundry apparatus |
| WO2018038382A1 (en) * | 2016-08-25 | 2018-03-01 | Lg Electronics Inc. | Laundry apparatus |
| US11124911B2 (en) | 2018-02-23 | 2021-09-21 | Lg Electronics Inc. | Washing machine and control method of washing machine |
| EP3875667A1 (en) * | 2018-02-23 | 2021-09-08 | LG Electronics, Inc. | Washing machine and control method of washing machine |
| US11131049B2 (en) | 2018-02-23 | 2021-09-28 | Lg Electronics Inc. | Washing machine and control method of washing machine |
| EP3530795A1 (en) * | 2018-02-23 | 2019-08-28 | LG Electronics Inc. -1- | Washing machine and control method of washing machine |
| WO2021032036A1 (en) * | 2019-08-20 | 2021-02-25 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method therefor |
| CN113605055A (en) * | 2021-09-14 | 2021-11-05 | 海信（山东）冰箱有限公司 | Drum washing machine |
| CN113605055B (en) * | 2021-09-14 | 2024-03-19 | 海信冰箱有限公司 | Drum washing machine |
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