JPH07178289A - Clothes drying machine - Google Patents
Clothes drying machineInfo
- Publication number
- JPH07178289A JPH07178289A JP5328282A JP32828293A JPH07178289A JP H07178289 A JPH07178289 A JP H07178289A JP 5328282 A JP5328282 A JP 5328282A JP 32828293 A JP32828293 A JP 32828293A JP H07178289 A JPH07178289 A JP H07178289A
- Authority
- JP
- Japan
- Prior art keywords
- condenser
- drying
- heat pump
- pump device
- clothes
- 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.)
- Granted
Links
Landscapes
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は一般家庭にて使用される
衣類乾燥機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clothes dryer used at home.
【０００２】[0002]
【従来の技術】従来例の構成及びその動作を図５に基づ
いて説明する。図５において、１は衣類乾燥機本体、２
は本体１内にて回転自在に設けられた回転ドラムで、モ
ータ３によってドラムベルト４を介して駆動される。５
は本体１の前面に設けた衣類投入口、６は回転ドラム２
内に流入する乾燥用空気を加熱するヒータ、７は回転ド
ラム２の後部に設けられた熱交換ファンで、送風と熱交
換機能を持っておりモータ３によってファンベルト８を
介して駆動される。９は熱交換ファン７の乾燥用空気側
ケーシングであり、回転ドラム２の後面に設けられ中央
部には回転ドラム側吸気口１０を有している。１１は回
転ドラム２の後面に設けられた糸くず等を取り除くフィ
ルタ、１２は冷却用空気側ケーシングであり、乾燥用空
気側ケーシング９と同様に中央部に冷却用空気吸気口１
３を有している。１４は冷却用空気側ケーシング１２の
一部に形成した冷却用空気排気口である。１５は回転ド
ラム２及び熱交換ファン７を回転自在に支持する軸で、
乾燥用空気側ケーシング９及び冷却用空気側ケーシング
１２を本体１に固定している保持板１６に固着されてい
る。１７は乾燥用空気側ケーシング９と冷却用空気側ケ
ーシング１２との間に介在させた仕切板で、熱交換ファ
ン７の外周部を左右に仕切り乾燥用空気と冷却用空気を
分離している。１８は循環ダクトで乾燥用空気側ケーシ
ング９の排気をヒータ６へ導く通路である。１９はこの
循環ダクト１８の途中に設けた排水口で熱交換ファン７
における熱交換で生じた凝縮水を排出する。２０は本体
１後面に設けられた冷却用空気本体吸気口である。ま
た、２１は乾燥すべき衣類を表している。2. Description of the Related Art The structure and operation of a conventional example will be described with reference to FIG. In FIG. 5, 1 is the clothes dryer main body and 2
Is a rotary drum rotatably provided in the main body 1, and is driven by a motor 3 via a drum belt 4. 5
Is a clothes inlet provided on the front surface of the main body 1, and 6 is a rotary drum 2
A heater 7 for heating the drying air flowing therein, 7 is a heat exchange fan provided at the rear part of the rotary drum 2, has a function of blowing and heat exchange, and is driven by the motor 3 via the fan belt 8. Reference numeral 9 denotes a drying air side casing of the heat exchange fan 7, which is provided on the rear surface of the rotary drum 2 and has a rotary drum side intake port 10 in the central portion. Reference numeral 11 is a filter provided on the rear surface of the rotary drum 2 for removing lint and the like, and 12 is a cooling air side casing, and like the drying air side casing 9, the cooling air intake port 1 is provided in the central portion.
Have three. Reference numeral 14 is a cooling air exhaust port formed in a part of the cooling air side casing 12. Reference numeral 15 is a shaft that rotatably supports the rotating drum 2 and the heat exchange fan 7,
The drying air side casing 9 and the cooling air side casing 12 are fixed to a holding plate 16 which is fixed to the main body 1. Reference numeral 17 denotes a partition plate interposed between the drying air side casing 9 and the cooling air side casing 12, which separates the drying air and the cooling air by partitioning the outer peripheral portion of the heat exchange fan 7 to the left and right. Reference numeral 18 denotes a circulation duct which is a passage for guiding the exhaust air of the drying air side casing 9 to the heater 6. Reference numeral 19 denotes a drain port provided in the middle of the circulation duct 18 for the heat exchange fan 7
Condensed water generated by heat exchange in is discharged. Reference numeral 20 denotes a cooling air main body intake port provided on the rear surface of the main body 1. Further, 21 represents clothes to be dried.
【０００３】尚、矢印Ａは冷却用空気の流れ、矢印Ｂは
乾燥用空気の流れを示している。次にその動作を説明す
る。まず乾燥すべき衣類２１を回転ドラム２内に置く。
次にモータ３を回転させると回転ドラム２及び熱交換フ
ァン７が回転し、空気の流れＡ、Ｂが生じる。そして、
乾燥用空気はヒータ６で加熱され、回転ドラム２内の衣
類２１を乾燥させた結果高温多湿となり、熱交換ファン
７に送られてくる。一方、冷却用空気は冷却用空気吸気
口２０より取り入れられ、熱交換ファン７から熱を奪っ
た後冷却用空気側ケーシング１２の排気口１４から外部
へ排出される。そして、熱交換ファン７に熱を奪われた
乾燥用空気は除湿され、更に再びヒータ６で加熱された
後回転ドラム２内へ循環される。以上の結果衣類２１は
乾燥していくしくみである。The arrow A indicates the flow of cooling air, and the arrow B indicates the flow of drying air. Next, the operation will be described. First, the clothes 21 to be dried are placed in the rotary drum 2.
Next, when the motor 3 is rotated, the rotary drum 2 and the heat exchange fan 7 rotate, and air flows A and B are generated. And
The drying air is heated by the heater 6, and the clothes 21 in the rotary drum 2 are dried, resulting in high temperature and high humidity, and sent to the heat exchange fan 7. On the other hand, the cooling air is taken in through the cooling air intake port 20, removes heat from the heat exchange fan 7, and is then discharged to the outside through the exhaust port 14 of the cooling air side casing 12. The drying air deprived of heat by the heat exchange fan 7 is dehumidified, heated again by the heater 6, and then circulated into the rotary drum 2. As a result, the clothes 21 are dried.
【０００４】[0004]
【発明が解決しようとする課題】上記の従来の構成で
は、乾燥に必要な熱は全てヒータ６で電気エネルギーか
ら交換されたものであり、家庭用のコンセントの電流容
量からその熱量には限界があり、衣類乾燥時間短縮の障
害となっていた。また、衣類乾燥に使用された熱は全て
冷却用空気に奪われ再利用されることなく外部へ排出さ
れていたのでエネルギー的に無駄が多いものであった。In the above conventional structure, all the heat required for drying is exchanged from the electric energy by the heater 6, and there is a limit to the amount of heat due to the current capacity of the household outlet. This was an obstacle to shortening the clothes drying time. In addition, since all the heat used for drying clothes was taken away by the cooling air and was not reused and was discharged to the outside, it was wasteful in terms of energy.
【０００５】本発明は上記課題を解決するもので、ヒー
トポンプ装置を衣類乾燥の熱源として用いるとともに乾
燥用空気を循環させ再利用することにより低電力でかつ
高除湿率の衣類乾燥機を提供することを第１、第２、第
３、第４の目的としている。The present invention solves the above problems and provides a clothes dryer of low power consumption and high dehumidification rate by using a heat pump device as a heat source for clothes drying and circulating and reusing drying air. Are the first, second, third, and fourth purposes.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
めの第１の手段は、冷媒が、圧縮機、凝縮器、膨張機
構、蒸発器の順に循環する構成のヒートポンプ装置を備
え、凝縮器で加熱される乾燥用空気を乾燥室に導き、こ
の乾燥室内の衣類を乾燥するもので、乾燥室内で衣類よ
り水蒸気を奪い取った乾燥用空気を前記ヒートポンプ装
置の蒸発器へ導き除湿した後、再び凝縮器へ導き乾燥用
空気として再利用する構成を有し、凝縮器を通った後の
乾燥用空気の一部を外部へ排出する排気口を有する衣類
乾燥機とするものである。The first means for solving the above-mentioned problems comprises a heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator. Introduce drying air heated in the drying chamber to dry the clothes in the drying chamber, and after dehumidifying the drying air deprived of water vapor from the clothes in the drying chamber to the evaporator of the heat pump device, and then again. The clothes dryer is configured to be guided to a condenser and reused as drying air, and has an exhaust port for discharging a part of the drying air after passing through the condenser to the outside.
【０００７】上記の課題を解決するための第２の手段
は、冷媒が、圧縮機、凝縮器、膨張機構、蒸発器の順に
循環する構成のヒートポンプ装置を備え、前記凝縮器で
加熱される乾燥用空気を乾燥室に導き、この乾燥室内の
衣類を乾燥するもので、乾燥室内で衣類より水蒸気を奪
い取った乾燥用空気を前記ヒートポンプ装置の蒸発器へ
導き除湿した後、再び凝縮器へ導き乾燥用空気として再
利用する構成を有し、凝縮器を通った後の乾燥用空気の
一部を外部へ排出する排気口を有するとともに、前記ヒ
ートポンプ装置には前記凝縮器中の冷媒温度測定手段を
設け、この凝縮器中冷媒温度を設定温度にするために排
気口から外部へ排出される乾燥用空気の量を制御する手
段とを有する衣類乾燥機とするものである。A second means for solving the above-mentioned problems is to provide a heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism and an evaporator, and drying by heating in the condenser. Air for use is introduced into the drying chamber and the clothes in the drying chamber are dried.The drying air that has deprived water vapor from the clothes in the drying chamber is introduced into the evaporator of the heat pump device, dehumidified, and then introduced again into the condenser for drying. It has a configuration to be reused as the working air, and has an exhaust port for discharging a part of the drying air after passing through the condenser to the outside, and the heat pump device is provided with a refrigerant temperature measuring means in the condenser. The clothes dryer is provided with means for controlling the amount of drying air discharged from the exhaust port to the outside so as to bring the temperature of the refrigerant in the condenser to the set temperature.
【０００８】上記の課題を解決するための第３の手段
は、冷媒が、圧縮機、凝縮器、膨張機構、蒸発器の順に
循環する構成のヒートポンプ装置を備え、前記凝縮器で
加熱される乾燥用空気を乾燥室に導き、この乾燥室内の
衣類を乾燥するもので、乾燥室内で衣類より水蒸気を奪
い取った乾燥用空気を前記ヒートポンプ装置の蒸発器へ
導き除湿した後、再び凝縮器へ導き乾燥用空気として再
利用する構成を有し、前記ヒートポンプ装置には凝縮器
中の冷媒温度測定手段を設け、この凝縮器中冷媒温度を
設定温度にするために圧縮機の運転または停止を制御す
る制御手段とを有する衣類乾燥機とするものである。A third means for solving the above problems is equipped with a heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, and is dried by the condenser. Air for use is introduced into the drying chamber and the clothes in the drying chamber are dried.The drying air that has deprived water vapor from the clothes in the drying chamber is introduced into the evaporator of the heat pump device, dehumidified, and then introduced again into the condenser for drying. The heat pump device is provided with a refrigerant temperature measuring means in the condenser, and controls to operate or stop the compressor to bring the refrigerant temperature in the condenser to a set temperature. And a clothes dryer.
【０００９】上記の課題を解決するための第４の手段
は、冷媒が、圧縮機、凝縮器、膨張機構、蒸発器の順に
循環する構成のヒートポンプ装置を備え、前記凝縮器で
加熱される乾燥用空気を乾燥室に導き、この乾燥室内の
衣類を乾燥するもので、乾燥室内で衣類より水蒸気を奪
い取った乾燥用空気を前記ヒートポンプ装置の蒸発器へ
導き除湿した後、再び凝縮器へ導き乾燥用空気として再
利用する構成を有し、前記ヒートポンプ装置には凝縮器
中の冷媒温度測定手段と前記圧縮機の圧縮能力可変手段
とを設け、凝縮器中冷媒温度を設定温度にするために圧
縮機の圧縮能力を可変することを特徴とする衣類乾燥機
とするものである。A fourth means for solving the above problems is equipped with a heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, and is dried by the condenser. Air for use is introduced into the drying chamber and the clothes in the drying chamber are dried.The drying air that has deprived water vapor from the clothes in the drying chamber is introduced into the evaporator of the heat pump device, dehumidified, and then introduced again into the condenser for drying. The heat pump device is provided with a refrigerant temperature measuring means in a condenser and a compression capacity varying means of the compressor, and the heat pump device compresses the refrigerant temperature in the condenser to a preset temperature. The clothes dryer is characterized by varying the compression capacity of the machine.
【００１０】[0010]
【作用】上記第１の手段によれば、乾燥室内で衣類から
水分を奪った乾燥用空気はヒートポンプ装置の蒸発器に
おいて冷却除湿された後、ヒートポンプ装置の凝縮器に
おいて加熱され再び乾燥室内へ循環される。この時乾燥
用空気から蒸発器中の冷媒に奪われた熱は凝縮器におい
て再び乾燥用空気に戻され再利用されるので無駄なエネ
ルギー消費を抑えることができる。また乾燥用空気を循
環再利用することで衣類乾燥機本体外へ排出される水分
を抑えることができ高除湿率の衣類乾燥機を提供するこ
とができる。更にヒートポンプ装置の凝縮器を通った後
の乾燥用空気の一部を外部へ排出することで、ヒートポ
ンプ装置の冷凍サイクルにおける圧縮機の消費電力分の
熱量蓄積による冷媒圧力上昇を抑えることができ安全な
ヒートポンプ装置の運転を実現できる。According to the above-mentioned first means, the drying air that has deprived the clothes of moisture in the drying chamber is cooled and dehumidified in the evaporator of the heat pump device, then heated in the condenser of the heat pump device and circulated again in the drying chamber. To be done. At this time, the heat taken by the refrigerant in the evaporator from the drying air is returned to the drying air in the condenser and is reused, so that wasteful energy consumption can be suppressed. Further, by circulating and recycling the drying air, it is possible to suppress the water discharged to the outside of the clothes dryer main body, and it is possible to provide a clothes dryer having a high dehumidification rate. Furthermore, by discharging part of the drying air after passing through the condenser of the heat pump device to the outside, it is possible to suppress the refrigerant pressure rise due to the accumulation of the amount of heat of the power consumption of the compressor in the refrigeration cycle of the heat pump device. It can realize the operation of various heat pump devices.
【００１１】上記第２の手段によれば、第１の手段と同
様に低電力で高除湿率の衣類乾燥機を提供することがで
きるとともに、ヒートポンプ装置の凝縮器を通った後の
乾燥用空気の内の外部へ排出する量を制御することで、
冷凍サイクルにおける圧縮機の消費電力分の熱量蓄積に
よる冷媒圧力の異常な上昇を周囲条件によらず抑えるこ
とができ安全なヒートポンプ装置の運転を実現できる。According to the above-mentioned second means, it is possible to provide a clothes dryer having a low power consumption and a high dehumidification rate as in the case of the first means, and the drying air after passing through the condenser of the heat pump device. By controlling the amount discharged to the outside of the
It is possible to suppress an abnormal rise in the refrigerant pressure due to the accumulation of the amount of heat consumed by the compressor in the refrigeration cycle, regardless of the ambient conditions, and realize a safe operation of the heat pump device.
【００１２】上記第３の手段によれば、第１の手段と同
様に低電力で高除湿率の衣類乾燥機を提供することがで
きるとともに、ヒートポンプ装置の圧縮機の運転または
停止を制御し凝縮器中冷媒温度を一定温度にすること
で、周囲条件によらず冷媒圧力上昇を制御でき安全なヒ
ートポンプ装置の運転を実現できる。According to the third means, a clothes dryer having a low power consumption and a high dehumidification rate can be provided as in the case of the first means, and at the same time, the compressor of the heat pump device is controlled to operate or stop to condense. By keeping the in-container refrigerant temperature at a constant temperature, the refrigerant pressure rise can be controlled regardless of the ambient conditions, and a safe operation of the heat pump device can be realized.
【００１３】上記第４の手段によれば、第１の手段と同
様に低電力で高除湿率の衣類乾燥機を提供することがで
きるとともに、ヒートポンプ装置の圧縮機能力を制御し
ヒートポンプ装置の凝縮器中冷媒温度を一定温度にする
ことで、周囲条件によらず冷媒圧力上昇を制御でき安全
なヒートポンプ装置の運転を実現できる。According to the above-mentioned fourth means, it is possible to provide a clothes dryer of low power consumption and high dehumidification rate as in the case of the first means, and at the same time, control the compression function of the heat pump device to condense the heat pump device. By keeping the in-container refrigerant temperature at a constant temperature, the refrigerant pressure rise can be controlled regardless of the ambient conditions, and a safe operation of the heat pump device can be realized.
【００１４】[0014]
【実施例】以下本発明の第１の方法による実施例を図１
に基づいて説明する。図１において、１は衣類乾燥機本
体、２は本体１内にて回転自在に設けられた乾燥室とし
て使用される回転ドラムである。３〜５、８〜１１、１
５、１６、１８、１９、２１は図６で示した従来例と同
様であるため説明は省略する。２２は乾燥用空気を回転
ドラム２からフィルタ１１、回転ドラム側吸気口１０を
通って循環ダクト１８へ送るための送風機でありモータ
３によってファンベルト８を介して駆動される。２３は
冷媒を蒸発させ乾燥用空気を冷却除湿する蒸発器で、２
４は冷媒を凝縮させ乾燥用空気を加熱する凝縮器、２５
は冷媒に圧力差を生じさせる圧縮機、２６は冷媒の圧力
差を維持するためのキャピラリチューブ等の膨張機構、
２７は冷媒が通る配管であり、２３〜２７でヒートポン
プ装置を構成している。２８は凝縮器で加熱された乾燥
用空気の一部を本体１外へ排出するための排気口であ
る。尚、矢印Ｂは乾燥用空気の流れを示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the first method of the present invention will be described below with reference to FIG.
It will be described based on. In FIG. 1, 1 is a clothes dryer main body, and 2 is a rotating drum provided in the main body 1 so as to be freely rotatable. 3-5, 8-11, 1
Since 5, 16, 18, 19, and 21 are the same as the conventional example shown in FIG. Reference numeral 22 denotes a blower for sending drying air from the rotary drum 2 through the filter 11 and the rotary drum side intake port 10 to the circulation duct 18, which is driven by the motor 3 via the fan belt 8. Reference numeral 23 is an evaporator that evaporates the refrigerant to cool and dehumidify the drying air.
4 is a condenser for condensing the refrigerant and heating the drying air, 25
Is a compressor for producing a pressure difference in the refrigerant, 26 is an expansion mechanism such as a capillary tube for maintaining the pressure difference of the refrigerant,
Reference numeral 27 is a pipe through which the refrigerant passes, and 23 to 27 form a heat pump device. Reference numeral 28 is an exhaust port for discharging a part of the drying air heated by the condenser to the outside of the main body 1. The arrow B indicates the flow of drying air.
【００１５】次にその動作を説明する。まず乾燥すべき
衣類２１を回転ドラム２内に置く。次にモータ３を回転
させると回転ドラム２及び送風機２２が回転し乾燥用空
気の流れＢが生じる。乾燥用空気は回転ドラム２内の衣
類２１から水分を奪った結果多湿となった後送風機２２
により循環ダクト１８内を通ってヒートポンプ装置の蒸
発器２３へ運ばれる。蒸発器２３に熱を奪われた乾燥用
空気は除湿され、更に凝縮器２４へ運ばれ加熱された後
再び回転ドラム２内へ循環される。以上の結果衣類２１
は乾燥していくしくみである。ここでヒートポンプ装置
における冷媒の冷凍サイクルを考えると、凝縮器２４か
ら乾燥用空気へ奪われる熱量は圧縮機２５の消費電力分
だけ蒸発器２３にて乾燥用空気から奪う熱量より多くな
るので、乾燥用空気をそのまま循環すると乾燥用空気全
体の持つ熱量が増えるとともにヒートポンプ装置内の冷
媒の持つ熱量が増え、その圧力が高くなり、やがて圧縮
機２５のモータトルクを超えてしまいブレークダウンに
至り過電流が流れて危険である。よってヒートポンプ装
置を安全に運転するには乾燥用空気の熱量の一部を本体
１外へ排出しつつ乾燥を行わなくてはならない。Next, the operation will be described. First, the clothes 21 to be dried are placed in the rotary drum 2. Next, when the motor 3 is rotated, the rotary drum 2 and the blower 22 are rotated, and the flow B of the drying air is generated. The drying air becomes humid as a result of removing moisture from the clothes 21 in the rotary drum 2 and then the blower 22.
It is carried by the inside of the circulation duct 18 to the evaporator 23 of the heat pump device. The drying air deprived of heat by the evaporator 23 is dehumidified, further carried to the condenser 24, heated, and then circulated again in the rotary drum 2. As a result of the above, clothing 21
Is a mechanism of drying. Considering the refrigeration cycle of the refrigerant in the heat pump device, the amount of heat taken from the condenser 24 to the drying air is larger than the amount of power consumed by the compressor 25 from the drying air in the evaporator 23, so that the drying is performed. If the working air is circulated as it is, the amount of heat of the entire drying air increases and the amount of heat of the refrigerant in the heat pump device also increases, and its pressure rises, eventually exceeding the motor torque of the compressor 25, leading to breakdown and overcurrent. Is flowing and is dangerous. Therefore, in order to safely operate the heat pump device, it is necessary to discharge a part of the heat quantity of the drying air to the outside of the main body 1 for drying.
【００１６】本発明の第１の実施例によれば凝縮器２４
から出た高温低湿の乾燥用空気の一部を本体１の外へ排
出することで、外部に最小限の水分しか漏らさずに熱を
逃がすことで安全なヒートポンプ装置の運転を実現でき
る。According to the first embodiment of the present invention, the condenser 24
By discharging a part of the high-temperature and low-humidity drying air from the body 1 to the outside of the main body 1, a safe operation of the heat pump device can be realized by allowing the heat to escape to the outside by leaking only a minimum amount of water.
【００１７】次に本発明の第２の方法による実施例を図
２に基づいて説明する。図２において、１〜２８は図１
で示した従来例と同様であるため説明は省略する。２９
は乾燥用空気が本体１の外へ排出する量を制御するため
の開閉弁でありモータ等で駆動される。３０は凝縮器２
４中の冷媒温度を測定するために凝縮器２４側面に露出
した銅配管部に密接された感温素子である。動作は第１
の方法による実施例と同様であるが、乾燥開始時等ヒー
トポンプ装置の温度が低い時、または冬期で本体１の周
囲温度が低いために本体１や循環経路１８等から周囲空
気への放熱量が多い時等、排気口２８を通して熱を排出
しなくてもヒートポンプ装置の凝縮器２４中の冷媒温度
が設定温度より低い時は開閉弁２９を閉じることで省電
力化が図れる。凝縮器２４中の冷媒温度は冷媒の冷凍サ
イクルにおける高圧側の凝縮温度と同等以下であるの
で、この温度が設定温度以下にあるときは、ヒートポン
プ装置は圧縮機吐き出し圧力が設定圧力以下に保たれた
安全運転の範囲にあると判定してよい。Next, an embodiment of the second method of the present invention will be described with reference to FIG. In FIG. 2, 1 to 28 are shown in FIG.
The description is omitted because it is the same as the conventional example shown by. 29
Is an opening / closing valve for controlling the amount of drying air discharged to the outside of the main body 1, and is driven by a motor or the like. 30 is a condenser 2
4 is a temperature-sensitive element which is in close contact with the copper pipe portion exposed on the side surface of the condenser 24 in order to measure the refrigerant temperature. The first operation
The method is the same as that of the method according to the above method, but when the temperature of the heat pump device is low, such as at the start of drying, or because the ambient temperature of the main body 1 is low in winter, the amount of heat released from the main body 1, the circulation path 18, etc. When the temperature of the refrigerant in the condenser 24 of the heat pump device is lower than the set temperature even when the heat is not exhausted through the exhaust port 28 when there is a large amount of power, power can be saved by closing the opening / closing valve 29. Since the refrigerant temperature in the condenser 24 is equal to or lower than the condensation temperature on the high-pressure side in the refrigerant refrigeration cycle, when this temperature is below the set temperature, the heat pump device keeps the compressor discharge pressure below the set pressure. It may be determined that the vehicle is in a safe driving range.
【００１８】次に本発明の第３の方法による実施例を図
３に基づいて説明する。図３において、１〜２８と３０
は図１で示した従来例と同様であるため説明は省略す
る。３１は圧縮機の運転または停止を制御する制御手段
を表している。乾燥運転においてヒートポンプ装置の凝
縮器２４中の冷媒温度が設定温度以下にあるときはヒー
トポンプ装置は安全運転の範囲にあると判定して圧縮機
２５の運転を行い、設定温度以上になると圧縮機２５を
停止させる。よって、ヒートポンプ装置は圧縮機吐き出
し圧力が設定圧力以下に保たれた安全運転の範囲で運転
することができる。Next, an embodiment of the third method of the present invention will be described with reference to FIG. In FIG. 3, 1-28 and 30
Is the same as the conventional example shown in FIG. Reference numeral 31 represents a control means for controlling the operation or stop of the compressor. In the drying operation, when the refrigerant temperature in the condenser 24 of the heat pump device is below the set temperature, the heat pump device determines that it is in the safe operation range and operates the compressor 25. To stop. Therefore, the heat pump device can be operated in a safe operation range in which the compressor discharge pressure is kept below the set pressure.
【００１９】次に本発明の第４の方法による実施例を図
４に基づいて説明する。図３において、１〜２８と３０
は図１で示した従来例と同様であるため説明は省略す
る。３２はインバータ回路等による圧縮機の圧縮能力可
変手段である。この圧縮能力可変手段３２により、乾燥
開始時等ヒートポンプ装置の温度が低い時、または冬期
で本体１の周囲温度が低いために本体１や循環経路１８
等からの周囲空気への放熱量が多い時等凝縮器２４中の
冷媒温度が低い時は圧縮能力を増やし、夏期や乾燥終了
時等凝縮器２４中の冷媒温度が高い時は圧縮能力を減ら
して、この冷媒温度を設定温度に制御することで省電力
と安全運転を実現できる。Next, an embodiment of the fourth method of the present invention will be described with reference to FIG. In FIG. 3, 1-28 and 30
Is the same as the conventional example shown in FIG. Reference numeral 32 is a compression capacity varying means of the compressor, such as an inverter circuit. By means of this compression capacity varying means 32, when the temperature of the heat pump device is low, such as at the start of drying, or because the ambient temperature of the main body 1 is low in winter, the main body 1 and the circulation path 18 are
When the amount of heat radiated from the ambient air to the ambient air is large, the compression capacity is increased when the temperature of the refrigerant in the condenser 24 is low, and when the temperature of the refrigerant in the condenser 24 is high such as in the summer or at the end of drying, the compression capacity is decreased. By controlling the refrigerant temperature to the set temperature, power saving and safe operation can be realized.
【００２０】[0020]
【発明の効果】以上のように、本発明の第１、第２、第
３、第４の方法によれば凝縮器中冷媒温度を一定温度に
することで冷凍サイクルの冷媒圧力の異常な上昇を抑え
れるので、安全にヒートポンプ装置を運転できる衣類乾
燥機を提供することができる。As described above, according to the first, second, third and fourth methods of the present invention, the refrigerant pressure in the condenser is kept constant so that the refrigerant pressure in the refrigeration cycle rises abnormally. Therefore, it is possible to provide a clothes dryer capable of safely operating the heat pump device.
【図１】本発明の第１の方法による実施例を示す衣類乾
燥機の概略構成図FIG. 1 is a schematic configuration diagram of a clothes dryer showing an embodiment according to a first method of the present invention.
【図２】本発明の第２の方法による実施例を示す衣類乾
燥機の概略構成図FIG. 2 is a schematic configuration diagram of a clothes dryer showing an embodiment according to a second method of the present invention.
【図３】本発明の第３の方法による実施例を示す衣類乾
燥機の概略構成図FIG. 3 is a schematic configuration diagram of a clothes dryer showing an embodiment according to a third method of the present invention.
【図４】本発明の第４の方法による実施例を示す衣類乾
燥機の概略構成図FIG. 4 is a schematic configuration diagram of a clothes dryer showing an embodiment according to a fourth method of the present invention.
【図５】従来例を示す衣類乾燥機の概略構成図FIG. 5 is a schematic configuration diagram of a clothes dryer showing a conventional example.
１ 本体 ２ 回転ドラム ３ モータ １８ 循環ダクト １９ 排水口 ２２ 送風機 ２３ 蒸発器 ２４ 凝縮器 ２５ 圧縮機 ２６ 絞り装置 ２７ 配管 ２８ 排気口 Ａ 冷却用空気の流れ Ｂ 乾燥用空気の流れ 1 Main Body 2 Rotating Drum 3 Motor 18 Circulation Duct 19 Drainage Port 22 Blower 23 Evaporator 24 Condenser 25 Compressor 26 Throttling Device 27 Piping 28 Exhaust Port A Cooling Air Flow B Drying Air Flow
Claims (4)
発器の順に循環する構成のヒートポンプ装置を備え、前
記凝縮器で加熱される乾燥用空気を乾燥室に導き、この
乾燥室内の衣類を乾燥し、乾燥室内で衣類より水蒸気を
奪い取った乾燥用空気を前記ヒートポンプ装置の蒸発器
へ導き除湿した後、再び凝縮器へ導き乾燥用空気として
再利用する構成を有し、凝縮器を通った後の乾燥用空気
の一部を外部へ排出する排気口を有する衣類乾燥機。1. A heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, introduces drying air heated by the condenser into a drying chamber, and The clothes are dried, and the drying air that has deprived water vapor from the clothes in the drying chamber is introduced to the evaporator of the heat pump device to be dehumidified, and then introduced again to the condenser to be reused as the drying air. A clothes dryer that has an exhaust port that discharges part of the drying air that has passed through to the outside.
発器の順に循環する構成のヒートポンプ装置を備え、前
記凝縮器で加熱される乾燥用空気を乾燥室に導き、この
乾燥室内の衣類を乾燥し、乾燥室内で衣類より水蒸気を
奪い取った乾燥用空気を前記ヒートポンプ装置の蒸発器
へ導き除湿した後、再び凝縮器へ導き乾燥用空気として
再利用する構成を有し、凝縮器を通った後の乾燥用空気
の一部を外部へ排出する排気口を有するとともに、ヒー
トポンプ装置には凝縮器中の冷媒温度測定手段を設け、
この凝縮器中冷媒温度を設定温度にするために前記排気
口から外部へ排出される乾燥用空気の量を制御する手段
を有する衣類乾燥機。2. A heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, introduces drying air heated by the condenser into a drying chamber, and The clothes are dried, and the drying air that has deprived the clothes of water vapor in the drying chamber is introduced to the evaporator of the heat pump device to be dehumidified, and then introduced to the condenser again to be reused as the drying air. While having an exhaust port for discharging a part of the drying air after passing to the outside, the heat pump device is provided with a refrigerant temperature measuring means in the condenser,
A clothes dryer having means for controlling the amount of drying air discharged from the exhaust port to the outside in order to bring the temperature of the refrigerant in the condenser to a set temperature.
発器の順に循環する構成のヒートポンプ装置を備え、前
記凝縮器で加熱される乾燥用空気を乾燥室に導き、この
乾燥室内の衣類を乾燥するもので、乾燥室内で衣類より
水蒸気を奪い取った乾燥用空気を前記ヒートポンプ装置
の蒸発器へ導き除湿した後、再び凝縮器へ導き乾燥用空
気として再利用する構成を有し、前記ヒートポンプ装置
の凝縮器中の冷媒温度測定手段を設け、この凝縮器中冷
媒温度を設定温度にするために前記圧縮機の運転または
停止を制御する制御手段を有する衣類乾燥機。3. A heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, introduces drying air heated by the condenser into a drying chamber, and Drying clothes, which has a configuration in which the drying air that has deprived water vapor from the clothes in the drying chamber is introduced to the evaporator of the heat pump device to be dehumidified, and then introduced to the condenser again to be reused as the drying air, A clothes dryer having means for measuring the temperature of the refrigerant in the condenser of the heat pump device and having control means for controlling the operation or stop of the compressor in order to bring the temperature of the refrigerant in the condenser to a set temperature.
発器の順に循環する構成のヒートポンプ装置を備え、前
記凝縮器で加熱される乾燥用空気を乾燥室に導き、この
乾燥室内の衣類を乾燥するもので、乾燥室内で衣類より
水蒸気を奪い取った乾燥用空気を前記ヒートポンプ装置
の蒸発器へ導き除湿した後、再び凝縮器へ導き乾燥用空
気として再利用する構成を有し、前記ヒートポンプ装置
の凝縮器中の冷媒温度測定手段と圧縮機の圧縮能力可変
手段を有し、凝縮器中冷媒温度を設定温度にするために
圧縮機の圧縮能力を可変することを特徴とする衣類乾燥
機。4. A heat pump device having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, introduces drying air heated by the condenser into a drying chamber, and Drying clothes, which has a configuration in which the drying air that has deprived water vapor from the clothes in the drying chamber is introduced to the evaporator of the heat pump device to be dehumidified, and then introduced to the condenser again to be reused as the drying air, Clothes drying characterized by having a refrigerant temperature measuring means in the condenser of the heat pump device and a compression capacity varying means of the compressor, and varying the compression ability of the compressor to bring the refrigerant temperature in the condenser to a set temperature. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32828293A JP3321945B2 (en) | 1993-12-24 | 1993-12-24 | Clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32828293A JP3321945B2 (en) | 1993-12-24 | 1993-12-24 | Clothes dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07178289A true JPH07178289A (en) | 1995-07-18 |
| JP3321945B2 JP3321945B2 (en) | 2002-09-09 |
Family
ID=18208488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32828293A Expired - Fee Related JP3321945B2 (en) | 1993-12-24 | 1993-12-24 | Clothes dryer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3321945B2 (en) |
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