JPH0722233Y2 - Dryer - Google Patents
DryerInfo
- Publication number
- JPH0722233Y2 JPH0722233Y2 JP10581089U JP10581089U JPH0722233Y2 JP H0722233 Y2 JPH0722233 Y2 JP H0722233Y2 JP 10581089 U JP10581089 U JP 10581089U JP 10581089 U JP10581089 U JP 10581089U JP H0722233 Y2 JPH0722233 Y2 JP H0722233Y2
- Authority
- JP
- Japan
- Prior art keywords
- air passage
- drying chamber
- circulation air
- water
- temperature
- 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
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Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、乾燥空気用の水冷式熱交換器を備えた除湿型
の乾燥機に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a dehumidifying type dryer having a water-cooled heat exchanger for dry air.
ドラム式乾燥機は、ドラムがドラム水平軸芯廻りに回転
することにより、ドラム内の洗濯物を上方に持ち上げて
は落下させるといったタンブリング動作により前記洗濯
物を乾燥させることができ、乾燥空気内に含まれた湿気
を冷凍サイクル若しくは冷却水により除去するように、
乾燥室に接続された循環風路内を循環する乾燥空気を冷
却するための熱交換器を備えた除湿型のものと、前記熱
交換器を具備しない開放型のものの２種類に大別するこ
とができる。The drum type dryer is capable of drying the laundry by a tumbling operation in which the drum rotates around the horizontal axis of the drum to lift and drop the laundry in the drum. To remove the contained moisture by refrigeration cycle or cooling water,
It is roughly classified into two types, a dehumidifying type having a heat exchanger for cooling the dry air circulating in the circulation air passage connected to the drying chamber and an open type not having the heat exchanger. You can
上記したようなドラム式乾燥機は、家庭において手軽に
洗濯物の乾燥を行うといった点で便利なものである。特
に前記除湿型のドラム式乾燥機は前記循環風路内の乾燥
空気を冷却水を用いて直接若しくは間接的に冷却するこ
とができ、湿気を室内に放出しないといった点で便利な
ものであり、とりわけ水冷式のドラム式乾燥機は除湿率
のよいものであった。The drum type dryer as described above is convenient in that the laundry can be easily dried at home. In particular, the dehumidifying type drum dryer can cool the dry air in the circulation air passage directly or indirectly by using cooling water, which is convenient in that it does not release moisture into the room. In particular, the water-cooled drum dryer had a good dehumidification rate.
ところが、上記したような従来のドラム式乾燥機は、特
に冷却水を用いて乾燥空気の除湿を行う水冷式の熱交換
器を具備したドラム式乾燥機では、乾燥工程の初期時、
即ち、除湿よりも、ドラム内雰囲気温度を迅速に上昇さ
せる必要があるときにおいても、乾燥空気を冷却水によ
って連続して冷却していることから、多くの熱エネルギ
ーが浪費される。However, the conventional drum type dryer as described above is a drum type dryer including a water-cooled heat exchanger that dehumidifies the dry air by using cooling water, at the initial stage of the drying process.
That is, even when it is necessary to quickly raise the ambient temperature in the drum rather than dehumidifying, a large amount of heat energy is wasted because the dry air is continuously cooled by the cooling water.
そのために、ドラム内雰囲気温度を所定の温度まで上昇
させるための時間を長く要し、乾燥時間が長くなる。ま
た、前記乾燥工程中、終始前記循環風路に冷却水が通水
されていることから多量の冷却水が消費される。Therefore, it takes a long time to raise the ambient temperature in the drum to a predetermined temperature, and the drying time becomes long. Further, during the drying step, a large amount of cooling water is consumed because the cooling water is constantly flowing through the circulation air passage.
従って、本考案の目的とするところは、乾燥工程初期時
のエネルギー損失が少なく乾燥時間の短い乾燥機を提供
することにある。Therefore, it is an object of the present invention to provide a dryer having a small energy loss at the beginning of the drying process and a short drying time.
上記目的を達成するために、本考案が採用する主たる手
段は、乾燥室に循環風路が接続され、該循環風路に設け
られたヒータにより乾燥空気を加熱すると共に、前記循
環風路に設けられた給水管からの冷却水により前記乾燥
空気の除湿を行い、前記乾燥室の底部に設けられた排水
口からこの除湿を行った後の冷却水を排水する乾燥機に
おいて、前記循環風路は、前記乾燥室の背面側に垂直に
設けられた垂直部分と、前記乾燥室の上面側に水平に設
けられた水平部分とから形成され、前記循環風路の垂直
部分と水平部分の接続部に前記給水管を接続し、前記乾
燥室の前面上部に前記循環風路の水平部分の一端を接続
する吹込口を設けると共に、前記乾燥室の背面下部に前
記循環風路の垂直部分の一端を接続する吹出口を設け、
前記循環風路に前記乾燥空気の温度を検出する温度検知
器を設け、前記温度検知器による検出温度が予め設定さ
れた所定温度を超えたとき、前記冷却水の通水を開始さ
せる通水信号を出力する制御手段を設け、前記給水管に
前記制御手段からの通水信号に基づいて開放される給水
弁を設けた点を要旨とする乾燥機である。In order to achieve the above-mentioned object, the main means adopted by the present invention is that a circulation air passage is connected to a drying chamber, the heater provided in the circulation air passage heats dry air, and the circulation air passage is provided in the circulation air passage. Dehumidifying the dry air by cooling water from the water supply pipe provided, in the dryer that drains the cooling water after dehumidifying from the drain port provided at the bottom of the drying chamber, the circulating air passage, A vertical portion vertically provided on the back side of the drying chamber and a horizontal portion horizontally provided on the upper surface side of the drying chamber, at a connecting portion between the vertical portion and the horizontal portion of the circulation air passage. The water supply pipe is connected to the drying chamber, and a blower port is connected to the upper part of the front surface of the drying chamber to connect one end of the horizontal portion of the circulation air passage, and one end of the vertical portion of the circulation air passage is connected to the lower rear portion of the drying chamber. Provide an outlet to
A temperature detector for detecting the temperature of the dry air is provided in the circulation air passage, and a water passage signal for starting the passage of the cooling water when the temperature detected by the temperature detector exceeds a predetermined temperature set in advance. The dryer is characterized in that a control means for outputting is provided and a water supply valve which is opened based on a water flow signal from the control means is provided in the water supply pipe.
〔作用〕 本考案によれば、衣類の乾燥初期時に、循環風路に設け
られた温度検知器による乾燥空気の検出温度が予め設定
された所定温度を超えるまでは、制御手段が乾燥空気冷
却用の冷却水の通水をできないようにする。そのため、
乾燥工程初期時には前記循環風路に冷却水が供給される
ことはなく、乾燥空気の温度は迅速に昇温される。[Operation] According to the present invention, at the initial stage of drying the clothes, the control means cools the dry air until the temperature detected by the temperature detector provided in the circulation air passage exceeds the preset temperature. Prevent the passage of cooling water. for that reason,
At the beginning of the drying process, cooling water is not supplied to the circulation air passage, and the temperature of the dry air is rapidly raised.
そして、乾燥空気温度が所定温度を超えると、給水管に
設けられた通水弁が前記制御手段からの通水信号に基づ
いて開放される。すると、冷却水は給水管から循環風路
の垂直部分，吹出口を介して乾燥室へ流れ乾燥室の底部
の排水口から排水される。そのために、乾燥空気と冷却
水の流れが逆の流れになり、乾燥空気の冷却即ち除湿を
効率良く行う。When the dry air temperature exceeds a predetermined temperature, the water passage valve provided in the water supply pipe is opened based on the water passage signal from the control means. Then, the cooling water flows from the water supply pipe to the drying chamber through the vertical portion of the circulation air passage and the outlet, and is discharged from the drain port at the bottom of the drying chamber. Therefore, the flow of the dry air and the flow of the cooling water are opposite to each other, so that the dry air is efficiently cooled, that is, dehumidified.
以下、添付した図面を参照しつつ、本考案を具体化した
実施例につき説明し、本考案の理解に供する。ここに第
１図は本考案の一実施例に係るドラム式乾燥機を示す側
面構造図、第２図は同ドラム式乾燥機の乾燥工程の処理
手順を示すフローチャート、第３図は同ドラム式乾燥機
における乾燥空気の温度変化を示すグラフである。Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. FIG. 1 is a side view showing the structure of a drum dryer according to an embodiment of the present invention, FIG. 2 is a flow chart showing the processing procedure of the drying process of the drum dryer, and FIG. It is a graph which shows the temperature change of the dry air in a dryer.
尚、以下の実施例は本考案の具体的一例に過ぎず、本考
案の技術的範囲を限定する性格のものではない。The following embodiments are merely specific examples of the present invention, and do not limit the technical scope of the present invention.
本実施例において、ドラム式乾燥機１は、第１図に示す
ように、本体11内に収納された乾燥室２の周囲即ち乾燥
室２の上面側と該乾燥室２の背面側に、乾燥空気を図中
広幅矢印のように循環させるための水平部分と垂直部分
からなる循環風路３が配設され、該循環風路３は前記乾
燥室２に形成された乾燥空気用の吹込口14及び吹出口15
にそれぞれの端部が接続されている。In the present embodiment, as shown in FIG. 1, the drum type dryer 1 is configured to dry the periphery of the drying chamber 2 housed in the main body 11, that is, the upper side of the drying chamber 2 and the rear side of the drying chamber 2. A circulation air passage 3 composed of a horizontal portion and a vertical portion for circulating air as shown by a wide arrow in the drawing is provided, and the circulation air passage 3 is formed in the drying chamber 2 and is a blow-in port 14 for dry air. And outlet 15
Each end is connected to.
前記循環風路３はその循環風路３の中途（水平部分と垂
直部分の接続部）に給水管５が接続されている。該給水
管５の循環風路３との接続部近傍には、冷却水を給水・
止水させるための通水弁８が配設されている。また、前
記循環風路３には、該循環風路３内を循環する乾燥空気
の温度を検出するサーミスタ６と、前記乾燥空気を循環
及び加熱させるための送風機10及びヒータ４が配設され
ている。A water supply pipe 5 is connected to the circulation air passage 3 in the middle of the circulation air passage 3 (a connecting portion between a horizontal portion and a vertical portion). Cooling water is supplied near the connecting portion of the water supply pipe 5 to the circulation air passage 3.
A water passage valve 8 for stopping water is provided. Further, the circulation air passage 3 is provided with a thermistor 6 for detecting the temperature of the dry air circulating in the circulation air passage 3, a blower 10 for circulating and heating the dry air, and a heater 4. There is.
洗濯物を収容しタンブリング動作を行うドラム12は前記
乾燥室２の内部に収納され、前記乾燥室２に水平軸芯廻
りに回動自在に軸支されている。前記ドラム12はその周
壁部に通水・通気用の小孔13が多数形成され、モータ９
により回転駆動される。そして、前記給水管５からの冷
却水は通水弁８を経て、循環風路3,及び吹出口15を図中
矢印に示すように流下し排水口16から機外に排出され
る。A drum 12 for accommodating laundry and performing a tumbling operation is accommodated inside the drying chamber 2 and is rotatably supported in the drying chamber 2 about a horizontal axis. The drum 12 has a large number of small holes 13 for water passage and ventilation formed on its peripheral wall.
Is driven to rotate. Then, the cooling water from the water supply pipe 5 passes through the water passage valve 8 and flows down through the circulation air passage 3 and the outlet 15 as shown by the arrow in the figure, and is discharged from the drainage port 16 to the outside of the machine.
従って、上記したように構成されるドラム式乾燥機１
は、第２図に示すように、本体11に内蔵された制御部７
に格納された処理手順に基づいて、乾燥工程が実行され
る。Therefore, the drum type dryer 1 configured as described above
As shown in FIG. 2, is a control unit 7 built in the main body 11.
The drying process is executed based on the processing procedure stored in.
まず、乾燥工程を開始させるスタートスイッチがオンさ
れると（ステップS1）、モータ９及び送風機10が駆動さ
れると共にヒータ４が通電され（ステップS2〜S4）、ド
ラム12が回転駆動され、乾燥空気が循環風路3,乾燥室２
を昇温しつつ循環送風される。この時、前記風水弁８は
閉状態にある。First, when the start switch for starting the drying process is turned on (step S1), the motor 9 and the blower 10 are driven and the heater 4 is energized (steps S2 to S4), the drum 12 is rotationally driven, and the dry air is supplied. There are three circulation ducts and two drying rooms
Circulating air is blown while raising the temperature. At this time, the feng shui valve 8 is in a closed state.
昇温中の乾燥空気の温度はサーミスタ６により検出さ
れ、前記制御部７に予め設定され格納された所定温度、
即ち恒率乾燥温度t1とその大小が比較演算される（ステ
ップS5）。そして、サーミスタ６による検出温度ｔが前
記恒率乾燥温度t1を超えた時、前記制御部７は冷却水の
通水を開始させる通水信号を通水弁８に出力する。即
ち、前記制御部７が制御手段である。The temperature of the dry air during the temperature increase is detected by the thermistor 6, and a predetermined temperature preset and stored in the control unit 7 is stored.
That is, the constant rate drying temperature t 1 and its magnitude are compared and calculated (step S5). When the temperature t detected by the thermistor 6 exceeds the constant drying temperature t 1 , the controller 7 outputs a water passage signal to the water passage valve 8 to start the passage of cooling water. That is, the control unit 7 is a control means.
そこで、前記通水弁８は制御部７からの通水信号に基づ
いて開状態となる（ステップS6）。すると、冷却水は給
水管５から循環風路３の垂直部分，吹出口15を介して乾
燥室２へ流れ乾燥室２の底部の排水口から排水される。
そのために、乾燥空気と冷却水の流れが逆の流れにな
り、乾燥空気の冷却即ち除湿を効率良く行う。続いて、
乾燥空気の検出温度ｔが乾燥終了温度t2に達すると（ス
テップS7）、通水弁８が閉状態に切換えられ（ステップ
S8）、前記モータ9,送風機10,ヒータ４への通電がそれ
ぞれ停止され（ステップS9）、乾燥工程が終了する。Therefore, the water passage valve 8 is opened based on the water passage signal from the control unit 7 (step S6). Then, the cooling water flows from the water supply pipe 5 to the drying chamber 2 through the vertical portion of the circulation air passage 3 and the outlet 15, and is discharged from the drain port at the bottom of the drying chamber 2.
Therefore, the flow of the dry air and the flow of the cooling water are opposite to each other, so that the dry air is efficiently cooled, that is, dehumidified. continue,
When the detected temperature t of the dry air reaches the drying end temperature t 2 (step S7), the water passage valve 8 is switched to the closed state (step S7).
S8), the energization of the motor 9, the blower 10, and the heater 4 are stopped (step S9), and the drying process ends.
上記したように、ドラム式乾燥機１は、乾燥工程の初期
時に乾燥空気の検出温度ｔが恒率乾燥温度t1に達するま
で、冷却水が循環風路３に通水されない。そのために、
乾燥工程初期時における乾燥空気の昇温速度は、第３図
の曲線ａに示すように、従来（曲線ｂ）と比べて迅速な
ものとなる。その結果、乾燥時間は図中に示すΔＴ時間
分早く終了することができる。As described above, in the drum dryer 1, the cooling water is not passed through the circulation air passage 3 until the detected temperature t of the dry air reaches the constant rate drying temperature t 1 at the beginning of the drying process. for that reason,
As shown by the curve a in FIG. 3, the temperature rising rate of the dry air at the initial stage of the drying process is faster than that in the conventional case (curve b). As a result, the drying time can be finished earlier by the ΔT time shown in the figure.
それに伴って、必要な電気エネルギーの損失を少なくす
ることが可能で、冷却水の節減を図ることもできる。Along with this, it is possible to reduce the loss of required electric energy and also to save the cooling water.
本考案は、上記したように、乾燥室に循環風路が接続さ
れ、該循環風路に設けられたヒータにより乾燥空気を加
熱すると共に、前記循環風路に設けられた給水管からの
冷却水により前記乾燥空気の除湿を行い、前記乾燥室の
底部に設けられた排水口からのこの除湿を行った後の冷
却水を排水する乾燥機において、前記循環風路は、前記
乾燥室の背面側に垂直に設けられた垂直部分と、前記乾
燥室の上面側に水平に設けられた水平部分とから形成さ
れ、前記循環風路の垂直部分と水平部分の接続部に前記
給水管を接続し、前記乾燥室の前面上部に前記循環風路
の水平部分の一端を接続する吹込口を設けると共に、前
記乾燥室の背面下部に前記循環風路の垂直部分の一端を
接続する吹出口を設け、前記循環風路に前記乾燥空気の
温度を検出する温度検知器を設け、前記温度検知器によ
る検出温度が予め設定された所定温度を超えたとき、前
記冷却水の通水を開始させる通水信号を出力する制御手
段を設け、前記給水管に前記制御手段からの通水信号に
基づいて開放される給水弁を設けているので、乾燥工程
初期時のエネルギー損失を減少させると共に冷却水の節
減を図ることが可能で、乾燥工程全体に要する時間を短
縮することができ、しかも、乾燥空気は循環風路の垂直
部分において冷却水の流れと逆の流れで循環するので、
冷却水と乾燥空気との接触が多くなり冷却水による乾燥
空気の冷却効率がよくなり、乾燥空気の除湿の効率を向
上させることができる。In the present invention, as described above, the circulation air passage is connected to the drying chamber, the heater provided in the circulation air passage heats the dry air, and the cooling water from the water supply pipe provided in the circulation air passage is also used. In the dryer that dehumidifies the dry air by the above, and drains the cooling water after performing the dehumidification from the drain port provided at the bottom of the drying chamber, the circulating air passage is on the back side of the drying chamber. A vertical portion provided vertically to the drying chamber, and a horizontal portion provided horizontally on the upper surface side of the drying chamber, and connecting the water supply pipe to the connection portion between the vertical portion and the horizontal portion of the circulation air passage, A blowing port is provided in the upper part of the front of the drying chamber to connect one end of the horizontal part of the circulation air passage, and an outlet is provided in the lower part of the back of the drying chamber to connect one end of the vertical part of the circulation air passage, Temperature for detecting the temperature of the dry air in the circulating air passage A detector is provided, and when the temperature detected by the temperature detector exceeds a predetermined temperature set in advance, a control means for outputting a water passage signal for starting water passage of the cooling water is provided, and the control is performed on the water supply pipe. Since a water supply valve that opens based on the water flow signal from the means is provided, it is possible to reduce energy loss at the beginning of the drying process and save cooling water, shortening the time required for the entire drying process. In addition, since the dry air circulates in the vertical portion of the circulation air passage in the opposite flow of the cooling water,
The contact between the cooling water and the dry air increases, the efficiency of cooling the dry air by the cooling water improves, and the efficiency of dehumidifying the dry air can be improved.
第１図は本考案の一実施例に係るドラム式乾燥機を示す
側面構造図、第２図は同ドラム式乾燥機の乾燥工程の処
理手順を示すフローチャート、第３図は同ドラム式乾燥
機における乾燥空気の温度変化を示すグラフである。 〔符号の説明〕 １……ドラム式乾燥機、２……乾燥室 ３……循環風路、４……ヒータ ５……給水管、６……サーミスタ ７……制御部、８……通水弁FIG. 1 is a side structural view showing a drum dryer according to an embodiment of the present invention, FIG. 2 is a flow chart showing a processing procedure of a drying process of the drum dryer, and FIG. 3 is a drum dryer. 5 is a graph showing a temperature change of dry air in FIG. [Explanation of symbols] 1 ... Drum type dryer, 2 ... Drying chamber 3 ... Circulating air passage, 4 ... Heater 5 ... Water supply pipe, 6 ... Thermistor 7 ... Control unit, 8 ... Water flow valve
Claims (1)
に設けられたヒータにより乾燥空気を加熱すると共に、
前記循環風路に設けられた給水管からの冷却水により前
記乾燥空気の除湿を行い、前記乾燥室の底部に設けられ
た排水口からこの除湿を行った後の冷却水を排水する乾
燥機において、 前記循環風路は、前記乾燥室の背面側に垂直に設けられ
た垂直部分と、前記乾燥室の上面側に水平に設けられた
水平部分とから形成され、 前記循環風路の垂直部分と水平部分の接続部に前記給水
管を接続し、 前記乾燥室の前面上部に前記循環風路の水平部分の一端
を接続する吹込口を設ける共に、前記乾燥室の背面下部
に前記循環風路の垂直部分の一端を接続する吹出口を設
け、 前記循環風路に前記乾燥空気の温度を検出する温度検知
器を設け、 前記温度検知器による検出温度が予め設定された所定温
度を超えたとき、前記冷却水の通水を開始させる通水信
号を出力する制御手段を設け、 前記給水管に前記制御手段からの通水信号に基づいて開
放される給水弁を設けたことを特徴とする乾燥機。1. A circulation air passage is connected to a drying chamber, and a heater provided in the circulation air passage heats dry air, and
In a dryer that dehumidifies the dry air by cooling water from a water supply pipe provided in the circulation air passage, and drains the cooling water after performing the dehumidification from a drain port provided at the bottom of the drying chamber. The circulation air passage is formed of a vertical portion that is vertically provided on the back side of the drying chamber and a horizontal portion that is horizontally provided on the upper surface side of the drying chamber. The water supply pipe is connected to a connection portion of a horizontal portion, and a blower port that connects one end of the horizontal portion of the circulation air passage is provided in an upper portion of the front surface of the drying chamber, and the circulation air passage of the lower portion of the back surface of the drying chamber is provided. Provided with an air outlet connecting one end of the vertical portion, provided with a temperature detector for detecting the temperature of the dry air in the circulation air passage, when the temperature detected by the temperature detector exceeds a predetermined temperature set in advance, Water flow for starting water flow of the cooling water No. control means for outputting the provided drier, characterized in that a water supply valve which is opened on the basis of the water flow signal from said control means to the water supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10581089U JPH0722233Y2 (en) | 1989-09-08 | 1989-09-08 | Dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10581089U JPH0722233Y2 (en) | 1989-09-08 | 1989-09-08 | Dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0349097U JPH0349097U (en) | 1991-05-13 |
| JPH0722233Y2 true JPH0722233Y2 (en) | 1995-05-24 |
Family
ID=31654566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10581089U Expired - Fee Related JPH0722233Y2 (en) | 1989-09-08 | 1989-09-08 | Dryer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722233Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101526986B1 (en) * | 2008-08-20 | 2015-06-11 | 엘지전자 주식회사 | Controlling method of Washing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775225B (en) * | 2022-04-29 | 2023-07-25 | 珠海格力电器股份有限公司 | Drying control method of clothes care device and clothes care device |
-
1989
- 1989-09-08 JP JP10581089U patent/JPH0722233Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101526986B1 (en) * | 2008-08-20 | 2015-06-11 | 엘지전자 주식회사 | Controlling method of Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349097U (en) | 1991-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |