JP5649039B2 - Washing machine - Google Patents
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- JP5649039B2 JP5649039B2 JP2010135786A JP2010135786A JP5649039B2 JP 5649039 B2 JP5649039 B2 JP 5649039B2 JP 2010135786 A JP2010135786 A JP 2010135786A JP 2010135786 A JP2010135786 A JP 2010135786A JP 5649039 B2 JP5649039 B2 JP 5649039B2
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Description
本発明は、洗濯兼脱水槽内で洗濯物の洗濯からすすぎ、脱水、乾燥までを行い、洗濯物の乾燥用にヒートポンプを備えた洗濯機に関するものである。 The present invention relates to a washing machine that performs washing, washing, dehydration, and drying of laundry in a washing and dewatering tub, and includes a heat pump for drying the laundry.
従来、この種の洗濯機は、洗濯物などの衣類を乾燥させる際に発生する水分を蒸発器（吸熱器）で回収し、その回収した潜熱を圧縮機により高温の冷媒状態に変換し、凝縮器（放熱器）で空気を加熱するエネルギーとして再利用している。このようにヒートポンプは僅かな放熱ロスがある以外、ほとんどのエネルギーを逃がさず再利用できるため、この種の洗濯機は、エネルギーの削減に効果があるものとして注目されている。（例えば、特許文献１参照）。また、乾燥のための循環風路を短くして圧損を低減し、ロスを減らしてエネルギーを削減するとともに、保守点検を容易にするために、ヒートポンプを本体の上部に配置することが考えられている（例えば、特許文献２参照）。また、圧縮機は、その下部と上部を弾性体で支持し、衝撃と振動を軽減するように設置されるのが一般的である（例えば、特許文献３参照）。 Conventionally, this type of washing machine collects moisture generated when drying clothes such as laundry with an evaporator (heat absorber), converts the collected latent heat into a high-temperature refrigerant state by a compressor, and condenses it. It is reused as energy to heat air with a radiator (heat radiator). As described above, since the heat pump can be reused without losing most of the energy except for a slight heat loss, this type of washing machine is attracting attention as being effective in reducing energy. (For example, refer to Patent Document 1). In addition, it is considered that a heat pump can be placed at the top of the main body in order to shorten the circulation air passage for drying, reduce pressure loss, reduce loss, reduce energy, and facilitate maintenance and inspection. (For example, refer to Patent Document 2). Further, the compressor is generally installed so that the lower and upper portions thereof are supported by an elastic body so as to reduce impact and vibration (see, for example, Patent Document 3).
図８は、特許文献３に記載された従来の圧縮機の防振装置を示すものである。図８に示すように、圧縮機の密閉容器１の下端は、底部に溶接された板状の脚２を天然ゴム等の弾性体で形成された下部防振具３を介して下部支持基板４に固定することで弾性支持されている。圧縮機の密閉容器１の上端は、上部支持基板５の下面に形成した凹部５ａに嵌合固定された天然ゴム等の弾性体からなる中空の上部防振具６を圧接することで弾性支持されている。圧接位置は、ターミナルカバー７と干渉しないように離間している。密閉容器１の上部周側部を僅かな間隙を隔てて取り囲む係止部材８は、上部支持基板５に溶接等により取り付けられている。上述した構成により、圧縮機の駆動振動や輸送時の上下振動を吸収し、圧縮機の収納スペースも小さくしたものである。 FIG. 8 shows a conventional vibration isolator for a compressor described in Patent Document 3. As shown in FIG. As shown in FIG. 8, the lower end of the hermetic container 1 of the compressor has a lower support substrate 4 via a lower vibration isolator 3 formed of an elastic body such as natural rubber, with a plate-like leg 2 welded to the bottom. It is elastically supported by fixing to. The upper end of the sealed container 1 of the compressor is elastically supported by press-contacting a hollow upper vibration isolator 6 made of an elastic body such as natural rubber fitted and fixed in a recess 5a formed on the lower surface of the upper support substrate 5. ing. The press contact positions are separated so as not to interfere with the terminal cover 7. A locking member 8 surrounding the upper peripheral side portion of the sealed container 1 with a slight gap is attached to the upper support substrate 5 by welding or the like. With the above-described configuration, the drive vibration of the compressor and the vertical vibration during transportation are absorbed, and the storage space of the compressor is also reduced.
しかしながら、前記従来の構成では、上部防振具６が中空構造になっているため上下方向の衝撃および振動に対して良好な弾性支持が得られないという問題があった。一般に、洗濯機では、脱水時に洗濯兼脱水槽が高速で回転し、洗濯兼脱水槽内で洗濯物が偏っていると大きな振動が発生する場合がある。このような脱水振動等で洗濯機が振動するとその振動は圧縮機に伝達され、圧縮機に接続されている冷媒循環パイプとの接続部に振動による応力が加わるという問題があった。また、横方向の振動に対しても、係止部材８と圧縮機の密閉容器１との間隙が小さいため、係止部材８の振動が圧縮機に伝達され、冷媒循環パイプとの接続部に振動による応力が加わるという問題があった。そして、洗濯機に搭載されたヒートポンプの保守点検を容易にするために、ヒートポンプを本体の上部に配設すると、圧縮機に加わる振動も大きくなり、防振がより困難になるという問題があった。 However, in the conventional configuration, the upper vibration isolator 6 has a hollow structure, so that there is a problem in that good elastic support cannot be obtained against impact and vibration in the vertical direction. Generally, in a washing machine, a washing / dehydration tub rotates at a high speed during dehydration, and a large vibration may be generated when the laundry is biased in the washing / dehydration tub. When the washing machine vibrates due to such dehydration vibration or the like, the vibration is transmitted to the compressor, and there is a problem that stress due to the vibration is applied to a connection portion with the refrigerant circulation pipe connected to the compressor. In addition, since the gap between the locking member 8 and the hermetic container 1 of the compressor is small with respect to the vibration in the lateral direction, the vibration of the locking member 8 is transmitted to the compressor and is connected to the connection portion with the refrigerant circulation pipe. There was a problem that stress due to vibration was applied. And, in order to facilitate the maintenance and inspection of the heat pump mounted on the washing machine, when the heat pump is arranged at the upper part of the main body, there is a problem that vibration applied to the compressor is increased and vibration prevention becomes more difficult. .
本発明は、前記従来の課題を解決するもので、圧縮機の振動を抑制し、冷媒循環パイプに加わる応力を低減することができる洗濯機を提供することを目的とする。 The present invention solves the above-described conventional problems, and an object thereof is to provide a washing machine capable of suppressing the vibration of the compressor and reducing the stress applied to the refrigerant circulation pipe.
前記従来の課題を解決するために、本発明の洗濯機は、コンプレッサ、放熱器、吸熱器
、並びにこれらを連結する冷媒循環パイプを有したヒートポンプと、前記ヒートポンプを収納し、洗濯機外枠に固定するケースと、前記ケースに収納した前記ヒートポンプを上方から覆うケースカバーを有し、前記コンプレッサは、前記冷媒循環パイプが上方に位置するように、底部を支持する防振ゴムと上部を支持する防振手段により支持して前記ケースに収容され、前記防振手段は、前記コンプレッサの上面外周部および上部周側面を支持するように構成するとともに、Ｕ字状弾性体とし、前記Ｕ字状弾性体の開口部にコンプレッサと冷媒循環パイプの接続部を配設するように構成したものである。
In order to solve the conventional problems, a washing machine of the present invention, a compressor, a radiator, the heat absorber and a heat pump having a refrigerant circulation pipe which connects them, to accommodate the heat pump, the wash outside frame The case has a case to be fixed and a case cover that covers the heat pump housed in the case from above, and the compressor supports a vibration isolating rubber that supports a bottom portion and an upper portion so that the refrigerant circulation pipe is positioned above. The anti-vibration means is supported and accommodated in the case, and the anti-vibration means is configured to support the outer peripheral surface and the upper peripheral side surface of the compressor, and is a U-shaped elastic body. The connection part of a compressor and a refrigerant | coolant circulation pipe is arrange | positioned in the opening part of a body .
これによって、脱水時の洗濯機外枠の振動によるコンプレッサの傾きや、上下方向の変位が抑制され、冷媒循環パイプに加わる応力を低減することができる。 Thereby, the inclination of the compressor and the vertical displacement due to the vibration of the washing machine outer frame during dehydration are suppressed, and the stress applied to the refrigerant circulation pipe can be reduced.
本発明の洗濯機は、洗濯機外枠の振動によるコンプレッサの傾きや上下方向の変位を抑制し、コンプレッサに接続された冷媒循環パイプにかかる応力を低減することができる。 The washing machine of the present invention can reduce the stress applied to the refrigerant circulation pipe connected to the compressor by suppressing the inclination and vertical displacement of the compressor due to the vibration of the washing machine outer frame.
第１の発明は、洗濯機外枠内に弾性支持された外槽と、前記外槽内に回転可能に設けられた洗濯兼脱水槽と、前記洗濯兼脱水槽を回転させる駆動手段と、前記洗濯兼脱水槽内の衣類を乾燥する乾燥装置とを備え、前記乾燥装置は、コンプレッサ、放熱器、吸熱器、並びにこれらを連結する冷媒循環パイプを有したヒートポンプと、前記ヒートポンプを収納し、洗濯機外枠に固定するケースと、前記ケースに収納した前記ヒートポンプを上方から覆うケースカバーを有し、前記コンプレッサは、前記冷媒循環パイプが上方に位置するように、底部を支持する防振ゴムと上部を支持する防振手段により支持して前記ケースに収容され、前記防振手段は、前記コンプレッサの上面外周部および上部周側面を支持するように構成するとともに、Ｕ字状弾性体とし、前記Ｕ字状弾性体の開口部にコンプレッサと冷媒循環パイプの接続部を配設するように構成したことにより、脱水時の洗濯機外枠の上下左右方向の振動によるコンプレッサの傾きや、上下方向の変位が抑制され、コンプレッサに接続された冷媒循環パイプにかかる応力を低減することができ、破損を防止することができる。 The first invention comprises an outer tub elastically supported in the outer frame of the washing machine, a washing / dehydrating tub rotatably provided in the outer tub, a driving means for rotating the washing / dehydrating tub, A drying device for drying clothes in the washing and dewatering tub, wherein the drying device houses a compressor, a radiator, a heat absorber, a heat pump having a refrigerant circulation pipe connecting them, and the heat pump , A case that is fixed to the outer frame of the machine, and a case cover that covers the heat pump housed in the case from above, and the compressor is provided with an anti-vibration rubber that supports the bottom so that the refrigerant circulation pipe is located above. accommodated in the casing and supported by a vibration isolation means for supporting the upper, said anti-vibration means may be configured to support the upper surface outer peripheral portion and an upper peripheral surface of said compressor, U-shaped And sex body, by which is configured to dispose the connecting portion of the U-shaped elastic body compressor and the refrigerant circulating pipe to the opening of the slope of the compressor by vertical and horizontal direction of the vibration of the washing outside frame of dehydration In addition, the vertical displacement is suppressed, the stress applied to the refrigerant circulation pipe connected to the compressor can be reduced, and damage can be prevented.
第２の発明は、特に、第１の発明の防振手段は、コンプレッサの変位に応じて接触部の接触面積が変化するように構成したことにより、洗濯機外枠またはコンプレッサの振動が小さい時は、接触部の接触面積も小さくなり、抑止力が減る反面振動伝達も減り、脱水時の洗濯機外枠の振動がコンプレッサに伝わりにくくなる。コンプレッサの駆動時では、コンプレッサの振動がケースを介して洗濯機外枠に伝わりにくくなり、洗濯機外枠の振動が低減される。洗濯機外枠またはコンプレッサの振動が大きい時は、接触部の接触面積が大きくなり、防振手段の振動抑止力も大きくなってコンプレッサの振れを抑制して冷媒循環パイプの破損を防止することができる。 In the second invention, in particular, when the vibration isolating means of the first invention is configured such that the contact area of the contact portion changes according to the displacement of the compressor, the vibration of the washing machine outer frame or the compressor is small. The contact area of the contact portion is reduced, the deterrence is reduced, and vibration transmission is also reduced, so that the vibration of the washing machine outer frame during dehydration is less likely to be transmitted to the compressor. When the compressor is driven, the vibration of the compressor is not easily transmitted to the washing machine outer frame through the case, and the vibration of the washing machine outer frame is reduced. When the vibration of the washing machine outer frame or the compressor is large, the contact area of the contact portion is increased, and the vibration suppression force of the vibration isolating means is also increased, so that the compressor shake can be suppressed and the refrigerant circulation pipe can be prevented from being damaged. .
第３の発明は、特に、第１または第２の発明の防振手段は、ケースカバーの天面との間に隙間を設け、前記ケースカバーの側部に固定したことにより、コンプレッサの上部が傾きながら振動してもその振動が小さい時は、隙間がその振動を吸収して振動伝達を小さくすることができる。また、振動が大きい時は、隙間が無くなることで接触部の抑止能力が発揮されて、コンプレッサの上部の揺れを確実に抑制することができる。 In the third invention, in particular, the vibration isolating means of the first or second invention is provided with a gap between the top surface of the case cover and fixed to the side portion of the case cover, so that the upper portion of the compressor is If the vibration is small even if it vibrates while tilting, the gap can absorb the vibration and reduce the vibration transmission. Further, when the vibration is large, the ability to suppress the contact portion is exhibited by eliminating the gap, and the upper portion of the compressor can be reliably suppressed.
第４の発明は、特に、第１〜第３のいずれか１つの発明の防振手段は、コンプレッサの上面と当接する接触部とケースカバーの天面との間に隙間を設けたことにより、極小さな振動は隙間で吸収して振動伝達を極力小さくすることができ、それより大きい中から大の振動は接触部の面積変化で、その振動の大きさに応じて抑止力を変えてコンプレッサの揺れを抑えることができる。 In the fourth invention, in particular, the vibration isolating means according to any one of the first to third inventions is provided with a gap between the contact portion contacting the upper surface of the compressor and the top surface of the case cover. Extremely small vibrations can be absorbed by gaps to reduce vibration transmission as much as possible, and medium to large vibrations larger than that are changes in the area of the contact area. Can suppress shaking.
第５の発明は、特に、第１〜第４のいずれか１つの発明の防振手段は、冷媒循環パイプの上方に接触部の撓み量より大きい振動吸収空間を設けたことにより、コンプレッサが上下に大きく振動しても冷媒循環パイプがケースカバーの上面に衝突することが無く、冷媒循環パイプの破損を防止することができる。 In the fifth invention, in particular, the vibration isolating means of any one of the first to fourth inventions is provided with a vibration absorption space above the refrigerant circulation pipe that is larger than the bending amount of the contact portion, so that the compressor is moved up and down. Even if it vibrates greatly, the refrigerant circulation pipe does not collide with the upper surface of the case cover, and the refrigerant circulation pipe can be prevented from being damaged.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
（実施の形態１）
図１は、本発明の第１の実施の形態における洗濯機の断面図、図２（ａ）同洗濯機の乾燥装置の要部上面図、（ｂ）同乾燥装置のＡ−Ａ断面図、（ｃ）同乾燥装置のＢ−Ｂ断面図である。
(Embodiment 1)
FIG. 1 is a cross-sectional view of a washing machine according to a first embodiment of the present invention, FIG. 2 (a) a top view of a main part of the drying device of the washing machine, (b) a cross-sectional view taken along line AA of the drying device, (C) It is BB sectional drawing of the drying apparatus.
図１、図２において、洗濯機外枠３０は、３本の弾性体３１と、２本の減衰装置３２により外槽３３を弾性支持している。洗濯兼脱水槽３４は、外槽３３内に回転自在に配設している。モータ（駆動手段）３５は、ブラシレス直流モータで構成されており、インバータ制御され、回転速度を自在に変化させて洗濯兼脱水槽３４を回転させることができる。給水手段３６は洗濯兼脱水槽３４内に給水するものである。水位検知手段（図示せず）は、外槽３３内の洗濯水位を検知する。排水手段３８は、外槽３３内の洗濯水を排水するものである。制御装置３９は、洗濯機外枠３０の前面下部に設けられている。 1 and 2, the washing machine outer frame 30 elastically supports an outer tub 33 with three elastic bodies 31 and two damping devices 32. The washing / dehydrating tub 34 is rotatably disposed in the outer tub 33. The motor (driving means) 35 is composed of a brushless DC motor, is controlled by an inverter, and can rotate the washing and dewatering tub 34 by freely changing the rotation speed. The water supply means 36 supplies water into the washing / dehydrating tub 34. The water level detection means (not shown) detects the washing water level in the outer tub 33. The drainage means 38 drains the washing water in the outer tub 33. The control device 39 is provided at the lower front portion of the washing machine outer frame 30.
制御装置３９は、洗濯機外枠３０の前面上部に設けられた操作表示手段４０により入力された設定内容に基づいて洗い、すすぎ、脱水、乾燥の各工程を逐次制御するもので、パワースイッチング手段（図示せず）を介してモータ３５、給水手段３６、排水手段３８などを逐次制御する。 The control device 39 sequentially controls each of the washing, rinsing, dehydrating and drying steps based on the setting contents input by the operation display means 40 provided on the upper front surface of the washing machine outer frame 30. The power switching means The motor 35, the water supply means 36, the drainage means 38, etc. are sequentially controlled via (not shown).
減衰装置３２は、オイルを作動流体とする粘性ダンパーで、脱水起動時の外槽３３の共振振動振幅を低減するものであり、洗濯機外枠の底部３０ａと外槽３３の底部３３ａの間に固定されている。脚３７はゴムなどの弾性材料で構成され、洗濯機外枠の底部３０ａの四隅に配設されている。 The damping device 32 is a viscous damper that uses oil as a working fluid, and reduces the resonance vibration amplitude of the outer tub 33 at the time of dehydration start. The damping device 32 is provided between the bottom 30a of the washing machine outer frame and the bottom 33a of the outer tub 33. It is fixed. The legs 37 are made of an elastic material such as rubber, and are arranged at the four corners of the bottom 30a of the washing machine outer frame.
ヒートポンプ４１のコンプレッサ４２を作動させることにより、冷媒がコンプレッサ４２、放熱器４３、吸熱器４４、冷媒循環パイプ４５を通って循環する。放熱器４３では冷媒の凝縮で熱が放出され、吸熱器４４では冷媒の蒸発で熱が吸収される。送風手段４６の送風と放熱器４３の熱の放出により、給気ダクト４８、給気口４９を通して洗濯兼脱水槽
３４へ乾いた温風を送り込み、モータ３５を駆動させ、洗濯兼脱水槽３４を回転させることで衣類を洗濯兼脱水槽３４内で撹拌しながら、衣類を乾燥させる。
By operating the compressor 42 of the heat pump 41, the refrigerant circulates through the compressor 42, the radiator 43, the heat absorber 44, and the refrigerant circulation pipe 45. In the radiator 43, heat is released by condensation of the refrigerant, and in the heat absorber 44, heat is absorbed by evaporation of the refrigerant. By blowing air from the air blowing means 46 and releasing heat from the radiator 43, dry hot air is sent to the washing and dewatering tub 34 through the air supply duct 48 and the air supply port 49, and the motor 35 is driven. The clothes are dried while being stirred in the washing and dewatering tank 34 by rotating.
洗濯兼脱水槽３４へ送り込まれた温風は、これら衣類の隙間を通るときに衣類から水分を奪い、湿った状態で洗濯兼脱水槽３４の周側面に設けた多数の小孔３４ａから外槽３３の内側へと抜け、さらに排気口５０を通過して排気ダクト５１に至る。そして、排気フィルター５２によりリントが除去された湿った温風は、吸熱器４４を通過する際に顕熱と潜熱を吸熱され、冷却除湿された空気と結露水とに分離される。冷却除湿された空気は放熱器４３を通り、乾いた温風となって再び洗濯兼脱水槽３４内に送られる。 The warm air sent into the washing / dehydrating tub 34 removes moisture from the clothing when passing through the gaps between these garments, and in the wet state, the outer tubs from a large number of small holes 34 a provided on the peripheral side surface of the washing / dehydrating tub 34. 33 passes through the exhaust port 50 and reaches the exhaust duct 51. The wet warm air from which the lint has been removed by the exhaust filter 52 absorbs sensible heat and latent heat when passing through the heat absorber 44, and is separated into cooled and dehumidified air and condensed water. The air that has been cooled and dehumidified passes through the radiator 43, becomes dry hot air, and is sent again into the washing and dehydrating tub 34.
乾燥装置５３は、上述したヒートポンプ４１、送風手段４６を含み、洗濯兼脱水槽３４に乾燥用空気を循環させる給気ダクト４８、給気口４９、排気口５０、排気ダクト５１等により構成している。 The drying device 53 includes the heat pump 41 and the air blowing means 46 described above, and is configured by an air supply duct 48, an air supply port 49, an exhaust port 50, an exhaust duct 51, and the like that circulate drying air in the washing and dewatering tub 34. Yes.
ケース５４は、ヒートポンプ４１と、送風手段４６を収容している。コンプレッサ４２は底部に防振ゴム４７を取り付けて、縦向きにケース５４内に設置され、吸熱器４４および放熱器４３を通過する乾燥用空気の送風経路から外れた位置に収納されており、冷媒循環パイプ４５は冷媒の流出側がコンプレッサ４２の上方から導出するように配管されている。 The case 54 accommodates the heat pump 41 and the air blowing means 46. The compressor 42 has an anti-vibration rubber 47 attached to the bottom, is installed in the case 54 in a vertical direction, and is stored in a position away from the air blowing path for the drying air passing through the heat absorber 44 and the radiator 43. The circulation pipe 45 is arranged so that the refrigerant outflow side is led out from above the compressor 42.
略円筒状に形成されているコンプレッサ４２の上部周側面４２ａと、上面外周部４２ｂに当接する防振手段５５が設置され、コンプレッサ４２の左右方向と上下方向を支持している。防振手段５５は、可撓性を有し、ブチルゴム等の損失係数が大きいゴム製で略リング状に形成され、内壁に接触部５５ａが形成されている。接触部５５ａはコンプレッサ４２の上部周側面４２ａと、上面外周部４２ｂに接触している。 Anti-vibration means 55 that contacts the upper peripheral side surface 42a of the compressor 42 formed in a substantially cylindrical shape and the upper surface outer peripheral portion 42b is installed to support the left and right direction and the vertical direction of the compressor 42. The anti-vibration means 55 is made of rubber having a large loss factor such as butyl rubber and is formed in a substantially ring shape, and a contact portion 55a is formed on the inner wall. The contact portion 55a is in contact with the upper peripheral side surface 42a of the compressor 42 and the upper surface outer peripheral portion 42b.
ケースカバー５４ａは、ケース５４を上方から覆うもので、ケースカバー５４ａをケース５４の上面開口部に取り付けると、コンプレッサ４２、放熱器４３、吸熱器４４、防振手段５５が固定されることになる。乾燥装置５３は、洗濯機外枠３０の上部に載置して固定されている。このため、乾燥装置５３と洗濯兼脱水槽３４を連通させる給気ダクト４８と、排気ダクト５１を短くすることができ、送風時の圧力損出を低減して乾燥効率を向上させるとともに、メンテナンス性もよくしている。 The case cover 54a covers the case 54 from above. When the case cover 54a is attached to the upper surface opening of the case 54, the compressor 42, the radiator 43, the heat absorber 44, and the vibration isolating means 55 are fixed. . The drying device 53 is placed and fixed on the upper part of the washing machine outer frame 30. For this reason, the air supply duct 48 that allows the drying device 53 and the washing / dehydrating tub 34 to communicate with each other and the exhaust duct 51 can be shortened, the pressure loss during blowing is reduced, the drying efficiency is improved, and the maintainability is improved. Also doing well.
以上のように構成された洗濯機について、以下その動作、作用を説明する。まず、洗濯兼脱水槽３４内に衣類と洗剤を投入後、操作表示手段４０を操作して運転を開始する。これによって、給水手段３６が動作し、洗濯兼脱水槽３４内に洗濯水が供給されるとともに洗濯兼脱水槽３４も回転を開始する。規定量の洗濯水が供給されると給水手段３６は給水を停止する。洗濯兼脱水槽３４の回転によって、洗剤は洗濯水に溶かされ、洗濯液となって衣類に浸透する。洗濯兼脱水槽３４は、３０〜５０ｒ／ｍｉｎの低速で回転して、衣類を持ち上げては落とすというたたき洗いを規定時間行う。 About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. First, after putting clothes and detergent into the washing and dewatering tub 34, the operation display means 40 is operated to start operation. As a result, the water supply means 36 operates, the washing water is supplied into the washing / dehydrating tub 34, and the washing / dehydrating tub 34 also starts rotating. When the specified amount of washing water is supplied, the water supply means 36 stops water supply. By the rotation of the washing and dewatering tub 34, the detergent is dissolved in the washing water and becomes a washing liquid and penetrates into the clothes. The washing and dewatering tub 34 rotates at a low speed of 30 to 50 r / min, and performs washing for lifting the clothes and dropping them for a specified time.
洗濯終了後、排水手段３８が作動し、汚れを溶かし込んだ洗濯水は、外槽３３の外に排水される。排水終了後、洗濯兼脱水槽３４の回転は徐々に速くなり脱水工程に入る。脱水起動後、洗濯兼脱水槽３４の回転数が上昇して１８０ｒ／ｍｉｎ近傍になると、衣類のアンバランスがある場合、第１の共振により外槽３３が左右方向に大きく振動する。その振動が洗濯機外枠３０を介してケース５４に伝わり、コンプレッサ４２も左右に揺れようとするが、防振ゴム４７と、防振手段５５により揺れが抑えられる。 After the washing is finished, the drainage means 38 is operated, and the washing water in which the dirt is dissolved is drained out of the outer tub 33. After the drainage is completed, the rotation of the washing and dewatering tub 34 is gradually accelerated and the dehydration process is started. After the start of dehydration, when the number of rotations of the washing and dehydrating tub 34 is increased to about 180 r / min, the outer tub 33 largely vibrates in the left-right direction due to the first resonance when there is an imbalance of clothes. The vibration is transmitted to the case 54 via the outer frame 30 of the washing machine, and the compressor 42 tends to swing left and right, but the vibration is suppressed by the vibration isolating rubber 47 and the vibration isolating means 55.
洗濯兼脱水槽３４の回転数が上昇して２４０ｒ／ｍｉｎ近傍になると、第２の共振により外槽３３が前後方向に大きく振動する。この時、コンプレッサ４２も前後に揺れようと
するが、防振ゴム４７と、防振手段５５により揺れが抑えられる。洗濯兼脱水槽３４の回転数が更に上昇して３００ｒ／ｍｉｎ近傍になると、第３の共振により外槽３３が上下方向に大きく振動する。この時、コンプレッサ４２も上下に揺れようとするが、防振ゴム４７と、防振手段５５により揺れが抑えられる。
When the number of rotations of the washing and dewatering tub 34 is increased to around 240 r / min, the outer tub 33 vibrates greatly in the front-rear direction due to the second resonance. At this time, the compressor 42 also tends to swing back and forth, but the vibration is suppressed by the vibration isolating rubber 47 and the vibration isolating means 55. When the number of rotations of the washing and dewatering tub 34 is further increased to near 300 r / min, the outer tub 33 is vibrated greatly in the vertical direction by the third resonance. At this time, the compressor 42 also tends to swing up and down, but the vibration is suppressed by the vibration isolating rubber 47 and the vibration isolating means 55.
このように、コンプレッサ４２が大きく揺れようとしても防振ゴム４７と、防振手段５５に抑えられ、大きく振れることはない。洗濯兼脱水槽３４の回転数が上昇して６００ｒ／ｍｉｎ近傍になると洗濯機外枠３０が共振し、洗濯機外枠３０が大きく振動する。この時も洗濯機外枠３０の振動がケース５４に伝わるが、防振手段５５と防振ゴム４７によって吸収され、コンプレッサ４２が大きく振れることはない。 Thus, even if the compressor 42 is largely shaken, it is restrained by the anti-vibration rubber 47 and the anti-vibration means 55 and does not shake greatly. When the number of rotations of the washing and dewatering tub 34 is increased to near 600 r / min, the washing machine outer frame 30 resonates and the washing machine outer frame 30 vibrates greatly. At this time, the vibration of the washing machine outer frame 30 is transmitted to the case 54, but is absorbed by the vibration isolating means 55 and the vibration isolating rubber 47, so that the compressor 42 does not shake greatly.
定常回転数である９００ｒ／ｍｉｎに達すると、洗濯機外枠３０は小さく振動し、それに伴ってケース５４も小さく振動するが、防振手段５５により完全に吸収されコンプレッサ４２が振動することはない。定常回転での脱水は約１５分程続くが、コンプレッサ４２が振動しないため、冷媒循環パイプ４５にも振動による応力が発生せず、冷媒循環パイプ４５が破損することはない。 When the steady rotational speed reaches 900 r / min, the washing machine outer frame 30 vibrates slightly, and the case 54 vibrates accordingly, but is completely absorbed by the vibration isolating means 55 and the compressor 42 does not vibrate. . Although dehydration at steady rotation continues for about 15 minutes, since the compressor 42 does not vibrate, stress due to vibration does not occur in the refrigerant circulation pipe 45 and the refrigerant circulation pipe 45 is not damaged.
乾燥工程ではコンプレッサ４２が駆動する。駆動直後は共振のためコンプレッサ４２は前後左右に大きく振動するが、防振ゴム４７、防振手段５５により振動が抑制され、冷媒循環パイプ４５の応力も小さくできるので、冷媒循環パイプ４５の破損は発生しない。また、定常運転になるとコンプレッサ４２は小さく振動する。この時、防振手段５５の振動抑止力は弱いが振動伝達は小さいので、防振手段５５でその振動を吸収し、ケース５４を介して洗濯機外枠３０に伝わるのを防止することができ、乾燥工程中の洗濯機外枠３０の振動は無くなり、振動による騒音も発生しない。 In the drying process, the compressor 42 is driven. Immediately after driving, the compressor 42 vibrates greatly in the front / rear and left / right directions. However, the vibration is suppressed by the vibration isolating rubber 47 and the vibration isolating means 55 and the stress of the refrigerant circulation pipe 45 can be reduced. Does not occur. In addition, the compressor 42 vibrates slightly during steady operation. At this time, since the vibration suppression force of the vibration isolating means 55 is weak but the vibration transmission is small, it is possible to prevent the vibration isolating means 55 from absorbing the vibration and transmitting it to the washing machine outer frame 30 through the case 54. The vibration of the washing machine outer frame 30 during the drying process is eliminated, and noise due to vibration is not generated.
以上のように本実施の形態においては、コンプレッサ４２の上面外周部４２ｂと、上部周側面４２ａを支持する防振手段５５を設け、この防振手段５５によって、コンプレッサ４２の傾きと、上方への変位を抑制するようにしたことにより、脱水時の洗濯機外枠３０の上下左右方向の振動によるコンプレッサ４２の傾きや、上下方向の変位を抑制することができ、冷媒循環パイプ４５にかかる応力を少なくして破損を防止することができる。 As described above, in the present embodiment, the vibration isolating means 55 that supports the upper peripheral surface 42b and the upper peripheral side surface 42a of the compressor 42 is provided. By suppressing the displacement, it is possible to suppress the inclination of the compressor 42 due to the vertical and horizontal vibrations of the washing machine outer frame 30 during dehydration and the vertical displacement, and the stress applied to the refrigerant circulation pipe 45 can be reduced. Less damage can be prevented.
（実施の形態２）
図３は、本発明の第２の実施の形態の乾燥装置の要部平面図である。本実施の形態の防振手段５５は、可撓性を有し、上面形状を略Ｕ字状に形成したＵ字状弾性体５５ｂで構成したものであり、このＵ字状弾性体５５ｂの開口部５５ｃには、冷媒循環パイプ４５の接続部４２ｃと、コンプレッサ４２の電気接続部４２ｄが位置している。また、Ｕ字状弾性体５５ｂは、コンプレッサ４２の上面外周部４２ｂの半周より多く支持している、すなわち、中心角度イが１８０度を超えて支持している（図３の実施例では約２４０度）。Ｕ字状弾性体５５ｂの開口方向には、コンプレッサ４２から放熱器４３、吸熱器４４への配管のための空間が設けられている。他の構成は本発明の実施の形態１と同様であり、同一の構成に同一の符号を付して、詳細な説明は実施の形態１のものを援用する。
(Embodiment 2)
FIG. 3 is a plan view of an essential part of the drying apparatus according to the second embodiment of the present invention. The vibration isolating means 55 of the present embodiment is composed of a U-shaped elastic body 55b having flexibility and having a top surface formed in a substantially U shape, and an opening of the U-shaped elastic body 55b. The connection part 42c of the refrigerant circulation pipe 45 and the electrical connection part 42d of the compressor 42 are located in the part 55c. Further, the U-shaped elastic body 55b supports more than a half circumference of the upper surface outer peripheral portion 42b of the compressor 42, that is, supports a central angle A exceeding 180 degrees (in the embodiment of FIG. Every time). In the opening direction of the U-shaped elastic body 55b, a space for piping from the compressor 42 to the radiator 43 and the heat absorber 44 is provided. Other configurations are the same as those of the first embodiment of the present invention, the same reference numerals are given to the same configurations, and the detailed description of the first embodiment is used.
Ｕ字状弾性体５５ｂは、コンプレッサ４２の上面外周部４２ｂの半周より多く支持しているため、冷媒循環パイプ４５の接続部４２ｃや電気接続部４２ｄを避けながら脱水時の共振振動によるコンプレッサ４２の前後方向の傾きと、上下方向の変位の両方を確実に抑制することができる。 Since the U-shaped elastic body 55b supports more than a half of the upper peripheral portion 42b of the upper surface of the compressor 42, the U-shaped elastic body 55b avoids the connection portion 42c and the electric connection portion 42d of the refrigerant circulation pipe 45 and causes the resonance of the compressor 42 due to resonance vibration during dehydration. Both the forward and backward inclination and the vertical displacement can be reliably suppressed.
（実施の形態３）
図４は、本発明の第３の実施の形態の乾燥装置の要部断面図である。本実施の形態の防振手段５５は、接触部５５ａの根元５５ｄの部分から先端５５ｅに向かって薄く（または
細く）なるように形成したものである。他の構成は本発明の実施の形態１と同様であり、同一の構成に同一の符号を付して、詳細な説明は実施の形態１のものを援用する。
(Embodiment 3)
FIG. 4 is a cross-sectional view of a main part of a drying apparatus according to the third embodiment of the present invention. The vibration isolating means 55 according to the present embodiment is formed so as to become thinner (or thinner) from the base 55d portion of the contact portion 55a toward the tip 55e. Other configurations are the same as those of the first embodiment of the present invention, the same reference numerals are given to the same configurations, and the detailed description of the first embodiment is used.
これにより、コンプレッサ４２の変位に応じて接触部５５ａの変形量が変化し、コンプレッサ４２との接触面積は、変位が大きくなるにつれて大きくなる。洗濯機外枠３０またはコンプレッサ４２の振動が小さい時は、接触部５５ａの接触面積が小さく、抑止力が小さい反面、振動伝達も減り、脱水時の洗濯機外枠３０の振動がコンプレッサ４２に伝わりにくくなる。また、コンプレッサ４２の駆動時では、コンプレッサ４２の振動がケース５４を介して洗濯機外枠３０に伝わりにくくなり、洗濯機外枠３０の振動が低減される。 As a result, the deformation amount of the contact portion 55a changes according to the displacement of the compressor 42, and the contact area with the compressor 42 increases as the displacement increases. When the vibration of the washing machine outer frame 30 or the compressor 42 is small, the contact area of the contact portion 55a is small and the deterrence is small, but vibration transmission is also reduced, and the vibration of the washing machine outer frame 30 during dehydration is transmitted to the compressor 42. It becomes difficult. Further, when the compressor 42 is driven, the vibration of the compressor 42 is hardly transmitted to the washing machine outer frame 30 via the case 54, and the vibration of the washing machine outer frame 30 is reduced.
また、洗濯機外枠３０またはコンプレッサ４２の振動が大きい時は、接触部５５ａの接触面積が大きくなり、防振手段５５の振動抑止力も大きくなってコンプレッサ４２の振れを抑制し、冷媒循環パイプ４５にかかる応力を少なくして破損を防止することができる。 Further, when the vibration of the washing machine outer frame 30 or the compressor 42 is large, the contact area of the contact portion 55a is increased, the vibration suppression force of the vibration isolating means 55 is also increased and the vibration of the compressor 42 is suppressed, and the refrigerant circulation pipe 45 It is possible to prevent breakage by reducing the stress applied to.
（実施の形態４）
図５は、本発明の第４の実施の形態の乾燥装置の要部断面図である。本実施の形態の防振手段５５は、ケースカバー５４ａの天面５４ｂとの間に隙間５４ｃを設け、ケースカバー５４ａの側部５４ｄに防振手段５５の側部５５ｆを固定したものである。他の構成は本発明の実施の形態１と同様であり、同一の構成に同一の符号を付して、詳細な説明は実施の形態１のものを援用する。
(Embodiment 4)
FIG. 5 is a cross-sectional view of an essential part of a drying apparatus according to the fourth embodiment of the present invention. The vibration isolating means 55 of the present embodiment has a gap 54c provided between the case cover 54a and the top surface 54b, and the side part 55f of the vibration isolating means 55 is fixed to the side part 54d of the case cover 54a. Other configurations are the same as those of the first embodiment of the present invention, the same reference numerals are given to the same configurations, and the detailed description of the first embodiment is used.
これより、コンプレッサ４２の上部が傾きながら振動してもその振動が小さい時は、隙間５４ｃがその振動を吸収し、ケースカバー５４ａへの振動伝達を小さくすることができる。また、振動が大きい時は、隙間５４ｃが無くなることで接触部５５ａの抑止能力が発揮されて、コンプレッサ４２の上部の揺れを確実に抑制することができる。 As a result, even if the upper part of the compressor 42 vibrates while tilting, when the vibration is small, the gap 54c absorbs the vibration, and the vibration transmission to the case cover 54a can be reduced. Further, when the vibration is large, the gap 54c is eliminated, so that the deterring ability of the contact portion 55a is exhibited, and the upper part of the compressor 42 can be reliably restrained from shaking.
（実施の形態５）
図６は、本発明の第５の実施の形態の乾燥装置の要部断面図である。本実施の形態の防振手段５５は、コンプレッサ４２の上面外周部４２ｂと当接する接触部５５ａと、ケースカバー５４ａの天面５４ｂとの間に隙間５４ｃを設けたものである。他の構成は本発明の実施の形態１と同様であり、同一の構成に同一の符号を付して、詳細な説明は実施の形態１のものを援用する。
(Embodiment 5)
FIG. 6 is a cross-sectional view of an essential part of a drying apparatus according to the fifth embodiment of the present invention. The vibration isolating means 55 of the present embodiment is provided with a gap 54c between the contact portion 55a that contacts the upper peripheral portion 42b of the compressor 42 and the top surface 54b of the case cover 54a. Other configurations are the same as those of the first embodiment of the present invention, the same reference numerals are given to the same configurations, and the detailed description of the first embodiment is used.
これにより、極小さな振動は隙間５４ｃで吸収して振動伝達を極力小さくすることができ、それより大きい中から大の振動は接触部５５ａの面積変化で、その振動の大きさに応じて抑止力を変えることができ、より細やかにコンプレッサ４２の揺れを抑えることができる。 As a result, extremely small vibrations can be absorbed by the gap 54c and vibration transmission can be minimized, and larger to larger vibrations can be controlled by the change in the area of the contact portion 55a depending on the magnitude of the vibration. The vibration of the compressor 42 can be suppressed more finely.
（実施の形態６）
図７は、本発明の第６の実施の形態の洗濯機の乾燥装置の要部断面図である。本実施の形態の防振手段５５は、冷媒循環パイプ４５の上方に接触部５５ａの撓み量５５ｆより大きい振動吸収空間５６を設けたものである。他の構成は本発明の実施の形態１と同様であり、同一の構成に同一の符号を付して、詳細な説明は実施の形態１のものを援用する。
(Embodiment 6)
FIG. 7: is principal part sectional drawing of the drying apparatus of the washing machine of the 6th Embodiment of this invention. The vibration isolating means 55 of the present embodiment is provided with a vibration absorbing space 56 above the refrigerant circulation pipe 45 that is larger than the bending amount 55f of the contact portion 55a. Other configurations are the same as those of the first embodiment of the present invention, the same reference numerals are given to the same configurations, and the detailed description of the first embodiment is used.
これより、コンプレッサ４２が上下に大きく振動しても冷媒循環パイプ４５がケースカバー５４ａの天面５４ｂに衝突することが無く、冷媒循環パイプ４５の破損を防止することができる。 Thereby, even if the compressor 42 vibrates up and down greatly, the refrigerant circulation pipe 45 does not collide with the top surface 54b of the case cover 54a, and the refrigerant circulation pipe 45 can be prevented from being damaged.
以上のように、本発明にかかる洗濯機は、洗濯機外枠の振動によるコンプレッサの傾き
や上下方向の変位を抑制し、コンプレッサに接続された冷媒循環パイプにかかる応力を低減することができるので、洗濯機として有用である。
As described above, the washing machine according to the present invention can suppress the stress applied to the refrigerant circulation pipe connected to the compressor by suppressing the inclination and vertical displacement of the compressor due to the vibration of the washing machine outer frame. Useful as a washing machine.
３０ 洗濯機外枠
３３ 外槽
３４ 洗濯兼脱水槽
３５ モータ（駆動手段）
４１ ヒートポンプ
４２ コンプレッサ
４２ａ 上部周側面
４２ｂ 上面外周部
４３ 放熱器
４４ 吸熱器
４５ 冷媒循環パイプ
５３ 乾燥装置
５４ ケース
５４ａ ケースカバー
５５ 防振手段
30 Washing machine outer frame 33 Outer tub 34 Washing / dehydration tub 35 Motor (drive means)
41 Heat Pump 42 Compressor 42a Upper Peripheral Side 42b Upper Periphery 43 Radiator 44 Heat Absorber 45 Refrigerant Circulation Pipe 53 Drying Device 54 Case 54a Case Cover 55 Vibration Isolation Means
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2010135786A JP5649039B2 (en) | 2010-06-15 | 2010-06-15 | Washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010135786A JP5649039B2 (en) | 2010-06-15 | 2010-06-15 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
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| JP2012000176A JP2012000176A (en) | 2012-01-05 |
| JP5649039B2 true JP5649039B2 (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2010135786A Active JP5649039B2 (en) | 2010-06-15 | 2010-06-15 | Washing machine |
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Cited By (2)
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| US11186943B2 (en) | 2017-10-09 | 2021-11-30 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
| WO2023163358A1 (en) * | 2022-02-23 | 2023-08-31 | 삼성전자주식회사 | Combined washer and dryer |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6576213B2 (en) * | 2015-07-29 | 2019-09-18 | 東芝ライフスタイル株式会社 | Washing and drying machine |
| EP3176308A1 (en) * | 2015-12-04 | 2017-06-07 | Wuxi Little Swan Co., Ltd. | Laundry treatment apparatus |
| WO2017206239A1 (en) * | 2016-05-31 | 2017-12-07 | 无锡小天鹅股份有限公司 | Heat pump module for clothes processing device, and clothes processing device |
| US20170342637A1 (en) * | 2016-05-31 | 2017-11-30 | Wuxi Little Swan Co., Ltd. | Laundry Treatment Device And Heat Pump Module Thereof |
| CN105970544B (en) * | 2016-05-31 | 2019-01-18 | 无锡小天鹅股份有限公司 | The heat pump mould group and device for clothing processing of device for clothing processing |
| WO2017206229A1 (en) * | 2016-05-31 | 2017-12-07 | 无锡小天鹅股份有限公司 | Heat pump module for clothes processing device, and clothes processing device |
| CN105970581B (en) * | 2016-05-31 | 2019-06-18 | 无锡小天鹅股份有限公司 | Heat pump system and dryer or washing-drying integral machine with it |
| EP3252212B1 (en) * | 2016-05-31 | 2019-08-21 | Wuxi Little Swan Co., Ltd. | Heat pump system and drier or washer-drier having the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0641750B2 (en) * | 1985-01-30 | 1994-06-01 | 株式会社ブリヂストン | Vibration absorbing structure of compressor |
| JP2004135715A (en) * | 2002-10-16 | 2004-05-13 | Mitsubishi Electric Corp | Laundry washer/dryer |
| JP4259463B2 (en) * | 2004-12-21 | 2009-04-30 | パナソニック株式会社 | Washing and drying machine |
| JP2007143736A (en) * | 2005-11-25 | 2007-06-14 | Toshiba Corp | Clothes drying machine |
| JP2008055077A (en) * | 2006-09-04 | 2008-03-13 | Matsushita Electric Ind Co Ltd | Washing/drying machine |
| EP2281934B1 (en) * | 2008-06-18 | 2014-04-02 | Panasonic Corporation | Drum-type washing and drying machine |
| JP5104579B2 (en) * | 2008-06-18 | 2012-12-19 | パナソニック株式会社 | Drum type washer / dryer |
| JP2010057545A (en) * | 2008-09-01 | 2010-03-18 | Toshiba Corp | Washing-drying machine |
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2010
- 2010-06-15 JP JP2010135786A patent/JP5649039B2/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11186943B2 (en) | 2017-10-09 | 2021-11-30 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
| US11761141B2 (en) | 2017-10-09 | 2023-09-19 | Whirlpool Corporation | Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter |
| WO2023163358A1 (en) * | 2022-02-23 | 2023-08-31 | 삼성전자주식회사 | Combined washer and dryer |
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| JP2012000176A (en) | 2012-01-05 |
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