JP3321945B2 - Clothes dryer - Google Patents
Clothes dryerInfo
- Publication number
- JP3321945B2 JP3321945B2 JP32828293A JP32828293A JP3321945B2 JP 3321945 B2 JP3321945 B2 JP 3321945B2 JP 32828293 A JP32828293 A JP 32828293A JP 32828293 A JP32828293 A JP 32828293A JP 3321945 B2 JP3321945 B2 JP 3321945B2
- Authority
- JP
- Japan
- Prior art keywords
- condenser
- drying
- air
- heat
- refrigerant
- 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.)
- Expired - Fee Related
Links
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 in ordinary households.
【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 a clothes dryer main body, 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 input port provided on the front of the main body 1, and 6 is a rotary drum 2.
A heater 7 for heating the drying air flowing into the inside is a heat exchange fan provided at the rear of the rotary drum 2, has a function of blowing and exchanging heat, and is driven by a motor 3 via a 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 center. Reference numeral 11 denotes a filter provided on the rear surface of the rotary drum 2 for removing lint and the like. Reference numeral 12 denotes a cooling air side casing.
Three. Reference numeral 14 denotes a cooling air exhaust port formed in a part of the cooling air side casing 12. A shaft 15 rotatably supports the rotary 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 outer peripheral portion of the heat exchange fan 7 into right and left parts to separate the drying air and the cooling air. Reference numeral 18 denotes a circulation duct that guides exhaust air from the drying air side casing 9 to the heater 6. Reference numeral 19 denotes a drain provided in the middle of the circulation duct 18 and a heat exchange fan 7.
The condensed water generated by the 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. Reference numeral 21 denotes clothing 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。The arrow A indicates the flow of cooling air, and the arrow B indicates the flow of drying air.
【０００４】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。Next, the operation will be described. First, the clothes 21 to be dried are placed in the rotating drum 2. Next, when the motor 3 is rotated, the rotating drum 2 and the heat exchange fan 7 rotate, and air flows A and B are generated. Then, the drying air is heated by the heater 6, and as a result of drying the clothes 21 in the rotating drum 2, the drying air becomes hot and humid, and is sent to the heat exchange fan 7.
On the other hand, the cooling air is taken in from the cooling air intake port 20, takes heat from the heat exchange fan 7, and is discharged outside through the exhaust port 14 of the cooling air side casing 12. Then, the drying air deprived of heat by the heat exchange fan 7 is dehumidified, further heated again by the heater 6, and then circulated into the rotary drum 2. As a result, the clothes 21 are dried.
【０００５】[0005]
【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 configuration, all the heat required for drying is exchanged from electric energy by the heater 6, and the amount of heat is limited by the current capacity of the household outlet. Yes, it was an obstacle to shorten the clothes drying time. Further, all the heat used for drying the clothes was taken out by the cooling air and discharged to the outside without being reused, so that there was much waste in energy.
【０００６】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。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and provides a clothes dryer with low power and high dehumidification rate by using a heat pump device as a heat source for drying clothes and circulating and reusing drying air. As the first, second, third, and fourth objects.
【０００７】[0007]
【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と、前記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とを備え、乾
燥室内の衣類の乾燥中に前記排気口より乾燥用空気の一
部を外部へ排出する衣類乾燥機とするものである。According to a first aspect of the present invention, there is provided a heat pump apparatus having a structure in which a refrigerant circulates in the order of a compressor, a condenser, an expansion mechanism, and an evaporator. The drying air heated in the drying chamber is led to the drying chamber, and the clothes in the drying chamber are dried.The drying air that has taken water vapor from the clothes in the drying chamber is guided to the evaporator of the heat pump device, and then dehumidified. It includes configurations and be reused as the drying air lead to the condenser, and an exhaust port for discharging a portion of the drying air after passing through the condenser to the outside, dry
During drying of clothes in the drying room, one of the drying air
It is a clothes dryer that discharges the part to the outside .
【０００８】上記の課題を解決するための第２の手段
は、上記第１の手段に加え、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 problem is that, in addition to the first means, the heat pump device is provided with a refrigerant temperature measuring means in the condenser, and the refrigerant temperature in the condenser is set to a predetermined temperature. Means for controlling the amount of drying air discharged from the exhaust port to the outside.
【０００９】上記の課題を解決するための第３の手段
は、上記第１の手段に加え、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-mentioned problem is that, in addition to the first means, the heat pump device is provided with a refrigerant temperature measuring means in the condenser, and the refrigerant temperature in the condenser is set to a set temperature. And a control means for controlling the operation or stoppage of the compressor.
【００１０】上記の課題を解決するための第４の手段
は、上記第１の手段に加え、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 that, in addition to the first means, the heat pump device is provided with a means for measuring a refrigerant temperature in a condenser and a means for varying the compression capacity of the compressor, According to the present invention, there is provided a clothes dryer characterized in that a compression capacity of a compressor is varied so as to set a refrigerant temperature in a condenser to a set temperature.
【００１１】[0011]
【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 first means, the drying air from which moisture has been removed from the clothes 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 into the drying chamber. Is done. At this time, the heat taken from the drying air by the refrigerant in the evaporator is returned to the drying air again in the condenser and reused, so that useless energy consumption can be suppressed. In addition, by circulating and recycling the drying air, it is possible to suppress moisture discharged to the outside of the clothes dryer main body, and to provide a clothes dryer having a high dehumidification rate. Furthermore, by discharging a part of the drying air after passing through the condenser of the heat pump device to the outside, it is possible to suppress the increase in the refrigerant pressure due to the accumulation of heat corresponding to the power consumption of the compressor in the refrigeration cycle of the heat pump device, which is safe. Operation of the heat pump device can be realized.
【００１２】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 second means, it is possible to provide a clothes dryer having a low electric power and a high dehumidification rate as in the first means, and to provide the drying air after passing through the condenser of the heat pump device. By controlling the amount of emissions within
An abnormal increase in the refrigerant pressure due to the accumulation of heat corresponding to the power consumption of the compressor in the refrigeration cycle can be suppressed irrespective of the ambient conditions, and a safe operation of the heat pump device can be realized.
【００１３】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, it is possible to provide a clothes dryer having a low power and a high dehumidification rate as in the first means, and to control the operation or stop of the compressor of the heat pump device to condense the clothes. By setting the in-vessel refrigerant temperature to a constant temperature, a rise in refrigerant pressure can be controlled irrespective of ambient conditions, and safe operation of the heat pump device can be realized.
【００１４】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 fourth means, it is possible to provide a clothes dryer having a low electric power and a high dehumidification rate as in the first means, and to control the compression function of the heat pump apparatus to condense the heat pump apparatus. By setting the in-vessel refrigerant temperature to a constant temperature, a rise in refrigerant pressure can be controlled irrespective of ambient conditions, and safe operation of the heat pump device can be realized.
【００１５】[0015]
【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。FIG. 1 shows an embodiment according to the first method of the present invention.
It will be described based on. In FIG. 1, reference numeral 1 denotes a clothes dryer main body, and 2 denotes a rotating drum used as a drying chamber rotatably provided in the main body 1. 3-5, 8-11, 1
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 to the circulation duct 18 through the filter 11 and the rotary drum side intake port 10, and is driven by the motor 3 via the fan belt 8. An evaporator 23 evaporates the refrigerant and cools and dehumidifies the drying air.
4 is a condenser for condensing the refrigerant and heating the drying air, 25
Is a compressor for generating a pressure difference in the refrigerant, 26 is an expansion mechanism such as a capillary tube for maintaining the pressure difference of the refrigerant,
27 is a pipe through which the refrigerant passes, and 23 to 27 constitute a heat pump device. Reference numeral 28 denotes an exhaust port for discharging a part of the drying air heated by the condenser to the outside of the main body 1. Arrow B indicates the flow of the drying air.
【００１６】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 rotating drum 2. Next, when the motor 3 is rotated, the rotating drum 2 and the blower 22 are rotated, and a flow B of drying air is generated. The drying air becomes humid as a result of depriving the clothes 21 in the rotating drum 2 of moisture.
Is transferred to the evaporator 23 of the heat pump device through the circulation duct 18. The drying air deprived of heat by the evaporator 23 is dehumidified, further conveyed to the condenser 24, heated, and circulated again into the rotary drum 2. Clothing 21 as a result of the above
Is a mechanism for 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 greater than the amount of heat taken from the drying air by the evaporator 23 by the power consumption of the compressor 25. 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 increases, and the pressure increases, eventually exceeding the motor torque of the compressor 25, leading to breakdown and overcurrent. Is dangerous. Therefore, in order to safely operate the heat pump device, it is necessary to perform drying while discharging a part of the heat of the drying air to the outside of the main body 1.
【００１７】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 a first embodiment of the present invention, the condenser 24
By discharging a part of the high-temperature and low-humidity drying air that has come out of the main body 1, the heat can be released without leaking the minimum amount of water to the outside, and the safe operation of the heat pump device can be realized.
【００１８】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 according to the second method of the present invention will be described with reference to FIG. In FIG. 2, 1 to 28 correspond to FIG.
The description is omitted because it is the same as the conventional example shown in FIG. 29
Is an on-off valve for controlling the amount of drying air discharged outside the main body 1 and is driven by a motor or the like. 30 is the condenser 2
4 is a temperature-sensitive element closely connected to the copper pipe exposed on the side of the condenser 24 for measuring the temperature of the refrigerant in 4. Operation is first
However, when the temperature of the heat pump device is low, such as at the start of drying, or when the ambient temperature of the main body 1 is low in winter, the amount of heat released from the main body 1 and the circulation path 18 to the surrounding air is low. When the refrigerant temperature in the condenser 24 of the heat pump device is lower than the set temperature, the power can be saved by closing the on-off valve 29 even when the heat is not exhausted through the exhaust port 28, for example, when the amount is large. Since the refrigerant temperature in the condenser 24 is equal to or lower than the condensation temperature of the refrigerant on the high pressure side in the refrigeration cycle, when this temperature is lower than the set temperature, the heat pump device keeps the compressor discharge pressure lower than the set pressure. It may be determined that the vehicle is in the safe driving range.
【００１９】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 according to 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 denotes 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 lower than the set temperature, the heat pump device is determined to be within the safe operation range and the compressor 25 is operated. To stop. Therefore, the heat pump device can be operated in a safe operation range in which the compressor discharge pressure is kept at or below the set pressure.
【００２０】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, a fourth embodiment 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. Numeral 32 denotes means for varying the compression capacity of the compressor using an inverter circuit or the like. When the temperature of the heat pump device is low, such as at the start of drying, or when the ambient temperature of the main body 1 is low in winter, the main body 1 and the circulation path
When the temperature of the refrigerant in the condenser 24 is low, such as when the amount of heat released to the surrounding air from the air is large, the compression capacity is increased. When the refrigerant temperature in the condenser 24 is high, such as in summer or at the end of drying, the compression capacity is reduced. By controlling the refrigerant temperature to the set temperature, power saving and safe operation can be realized.
【００２１】[0021]
【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, by setting the refrigerant temperature in the condenser to a constant temperature, the refrigerant pressure in the refrigeration cycle rises abnormally. Therefore, a clothes dryer that can safely operate the heat pump device can be provided.
【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 DESCRIPTION OF SYMBOLS 1 Main body 2 Rotary 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
フロントページの続き (56)参考文献 特開 平１−212599（ＪＰ，Ａ) 特開 平２−283400（ＪＰ，Ａ) 特開 平３−211363（ＪＰ，Ａ) 特開 昭63−209700（ＪＰ，Ａ) 特開 昭64−2697（ＪＰ，Ａ) 実開 昭62−67191（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) D06F 58/02 - 58/28 Continuation of the front page (56) References JP-A-1-2212599 (JP, A) JP-A-2-283400 (JP, A) JP-A-3-211363 (JP, A) JP-A-63-209700 (JP) JP-A-64-2697 (JP, A) JP-A-62-67191 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) D06F 58/02-58/28
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
再利用する構成と、前記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とを備え、乾燥室内の衣
類の乾燥中に前記排気口より乾燥用空気の一部を外部へ
排出する衣類乾燥機。1. A heat pump device configured to circulate a refrigerant in the order of a compressor, a condenser, an expansion mechanism, and an evaporator, and guides drying air heated by the condenser to a drying chamber. Drying the clothes, drying air from which water vapor has been removed from the clothes in the drying chamber is guided to the evaporator of the heat pump device and dehumidified, and then guided again to the condenser to be reused as drying air; and drying and an exhaust port for discharging to the outside a portion of the air after, clothing drying chamber
During drying of a class of air, a part of the drying air is
Clothes dryer to discharge .
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請求項１に記載の衣類乾燥
機。The 2. A heat Toponpu device provided a coolant temperature measurement means in the condenser, control the amount of drying air the discharged from the exhaust port to the outside in order to make the condenser in the refrigerant temperature to a set temperature The clothes dryer according to claim 1, further comprising:
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
段を有する請求項１に記載の衣類乾燥機。3. A refrigerant temperature measuring means in the condenser of the heat Toponpu device provided, according to claim 1, comprising control means for controlling the operation or stop of the compressor to the condenser in the refrigerant temperature to a set temperature A clothes dryer according to claim 1.
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
変する請求項１に記載の衣類乾燥機。4. A has a compressive variable capacity means of the refrigerant temperature measurement means and the compressor in the condenser of the heat Toponpu device varies the compression capacity of the compressor to the refrigerant temperature in the condenser to the set temperature according Item 2. The clothes dryer according to Item 1 .
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 JPH07178289A (en) | 1995-07-18 |
| JP3321945B2 true 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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