JP3817702B2 - Clothes drying method and control device by bathroom ventilation dryer - Google Patents

Clothes drying method and control device by bathroom ventilation dryer Download PDF

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JP3817702B2
JP3817702B2 JP13798296A JP13798296A JP3817702B2 JP 3817702 B2 JP3817702 B2 JP 3817702B2 JP 13798296 A JP13798296 A JP 13798296A JP 13798296 A JP13798296 A JP 13798296A JP 3817702 B2 JP3817702 B2 JP 3817702B2
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bathroom
drying
humidity
air
ventilation
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JPH09313788A (en
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秀和 大矢
裕彦 山田
重幸 澤渡
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Fuji Industrial Co Ltd
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Fuji Industrial Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、浴室内を換気したり、浴室内を乾燥する浴室換気乾燥機により浴室内の衣類を乾燥する方法及び制御装置に関する。
【0002】
【従来の技術】
浴室換気乾燥機としては種々のものが知られている。例えば、実開昭59−186737号公報に示す浴室換気乾燥機が知られている。具体的には浴室内の空気を吸い込んで浴室内に吐出して浴室内の空気を循環する循環用送風機と、この循環用送風機の吐出風路に設けたヒータと、浴室内の空気を吸い込んで屋外に排出して浴室内を換気する換気用送風機を備えた浴室換気乾燥機である。
【0003】
前述の浴室換気乾燥機は、浴室内の換気、浴室内の乾燥、浴室内の暖房、浴室内への涼風送り込みの4つの機能を有する。例えば循環用送風機で浴室内の空気を循環すると共に、ヒータに通電して発熱することで浴室内に吐出する空気を加熱し、これと同時に換気用送風機によって浴室内の空気の一部を屋外に排出して換気することで浴室内を乾燥する。
【0004】
前述のようにして浴室内を乾燥することにより、浴室内が乾燥室となるので、衣類などを乾燥することができる。
このように、浴室に浴室換気乾燥機を設置すれば、浴室を使用していない時間帯、例えば家族全員が浴室の使用が終了した夜から翌朝までの間、または家族の主要メンバーが出勤、登校、外出している昼の時間帯は浴室を乾燥室として使用できる利点がある。
【0005】
また、浴室を乾燥室として使用して衣類を乾燥する場合には衣類をハンガーなどに吊り下げて乾燥できるから、一般に普及しているドラム式の衣類乾燥機に比べて乾燥した衣類にしわが生じないという利点もあった。
【0006】
【発明が解決しようとする課題】
浴室換気乾燥機によって浴室内を乾燥するには、循環用送風機、換気用送風機を所定時間駆動すると同時にヒータに通電して浴室内の空気をヒータで加熱して循環すると共に、浴室内の空気の一部を屋外に排出することで浴室内全体を乾燥している。
【0007】
このようであるから、浴室換気乾燥機によって浴室を乾燥して衣類を乾燥する場合の消費電力は、前述のドラム式の衣類乾燥機によって衣類を乾燥する場合の消費電力に比べて非常に多く、浴室換気乾燥機によって衣類を乾燥することは消費電力の点で不利であった。
【0008】
そこで、本発明は浴室換気乾燥機によって衣類を乾燥する際の消費電力を少なくできるようにした浴室換気乾燥機による衣類乾燥方法及びその装置を提供することを目的とする。
【0009】
【課題を解決するための手段】
本発明者は、消費電力を少なくして衣類を乾燥するという点に着目して種々研究・実験した結果、前述のように浴室を乾燥室として利用できる時間帯が、家族全員が浴室の使用を終了した夜から翌朝までの間、又は家族の主要メンバーが出勤、登校、外出している昼などであり、その浴室を乾燥室として利用できる時間が通常8時間以上確保できることを見い出した。
【0010】
このように、浴室を8時間以上乾燥室として利用できるということは、最低でも8時間経過するまでの間に衣類が乾燥すれば良い訳であり、このことに基づいて発明者が鋭意研究・実験した結果、本発明に至った。
【0011】
本発明は、浴室内の空気を加熱しながら循環すると共に、浴室内の空気を屋外に換気する機能を有する浴室換気乾燥機により浴室内の衣類を乾燥する方法において、
乾燥初めから終わりまで一定の循環風量とし、
乾燥前半には浴室内の空気を加熱せずに循環すると共に換気風量を多くし、乾燥後半には浴室内の空気を加熱して循環すると共に、換気風量を少なくして衣類を乾燥するようにしたことを特徴とする浴室換気乾燥機による衣類乾燥方法である。
【0012】
【作 用】
本発明の衣類乾燥方法によれば、浴室内を利用しない時間帯を有効利用して浴室換気乾燥機で衣類を乾燥できるし、その消費電力が少なく経済的である。
【0013】
本発明は、浴室内の空気を加熱しながら循環すると共に、浴室内の空気を屋外に換気する機能を有する浴室換気乾燥機と、
この浴室換気乾燥機を運転動作制御する制御部と、
浴室内湿度を検出する手段と、
浴室外湿度を検出する手段と、
乾燥動作信号を出力する手段とを備え、
前記制御部は、乾燥動作信号が入力されると浴室換気乾燥機を、乾燥初めから終わりまで一定の循環風量として浴室内の空気を加熱せずに循環すると共に、換気風量を多くして運転動作し、運転動作直後の浴室内湿度と浴室外湿度の湿度差と乾燥運転中の浴室内湿度と浴室外湿度の湿度差との割合が所定の値となった時に浴室内の空気を加熱して循環すると共に、換気風量を少なくして運転動作するものとした浴室換気乾燥機による衣類乾燥制御装置である。
【0014】
【作 用】
本発明の衣類乾燥制御装置によれば、乾燥動作信号を出力する手段を操作するだけで自動的に運転制御して衣類を乾燥できる。
【0015】
【発明の実施の形態】
図1に示す実験設備により衣類乾燥実験を行なった。
図1に示す実験設備は、空調された人工気象室1内にユニットバス2を設置し、このユニットバス2の天井3に浴室換気乾燥機4を取付け、ユニットバス2の内壁5に横棒6を電気式荷重計7を介して取付けたものである。そしてこの横棒6に乾燥する衣類8をハンガー9で吊り下げる。
【0016】
前記浴室換気乾燥機4は、ハウジング10内にヒータ11を備えた循環風路12と排気風路13を形成し、その循環風路12に循環用送風機14を設け、排気風路13に排気用送風機15を設けてある。
【0017】
前記循環用送風機14、排気用送風機15は電動モータ16でシロッコファン17を回転駆動するものである。排気風路13の吐出口はダクト18で人工気象室1内に開口している。
【0018】
前記人工気象室1は温度20℃、湿度60%とする。
ユニットバス2の広さは1.25坪。
乾燥する衣類8は乾燥重量5.0kgの衣類を20℃の水に浸漬し、5分間遠心脱水したものである。
各電動モータ16はコンデンサ誘導電動モータであり、強、中、弱の3段階に切換えできる。
各シロッコファン17は電動モータ16を強運転すると風量が200m3 /h、中運転すると100m3 /h、弱運転すると50m3 /hとなる。
【0019】
(実験例)
前述の各条件により下記のようにして衣類8を乾燥した。
循環用送風機14の電動モータ16を衣類乾燥の初めから終りまで強運転して循環風量を200m3 /hとした。
ヒータ11には衣類乾燥の初めから6時間経過するまで(前半)は通電せずに6時間経過後(後半)に1300Wの電力を通電して発熱させた。
換気用送風機15の電動モータ16を衣類乾燥の前半(6時間経過するまで)には強運転して換気風量を200m3 /hとし、後半(6時間経過後)には弱運転して換気風量を50m3 /hとした。
【0020】
前述のようにして衣類を乾燥しながら浴室外温度、循環吸込温度、循環吸込湿度、浴室外湿度、循環吹出温度を時間の経過とともに測定すると共に、積算電力を測定し、さらに電気式荷重計7の検出電圧を測定したところ図2のようになった。
【0021】
(比較例1)
前述の各条件により下記のようにして衣類8を乾燥した。
循環用送風機14の電動モータ16を衣類乾燥の初めから終りまで強運転して循環風量を200m3 /hとした。
ヒータ11には1300Wの電力を通電して発熱させた。
換気用送風機15の電動モータ16を衣類乾燥の前半には強運転して換気風量を200m3 /hとし、後半には弱運転して換気風量を50m3 /hとした。
【0022】
前述のようにして衣類を乾燥しながら浴室外温度、循環吸込温度、循環吸込湿度、浴室外湿度、循環吹出温度を時間の経過とともに測定すると共に、積算電力を測定し、さらに電気式荷重計7の検出電圧を測定したところ図3のようになった。
【0023】
(比較例2)
前述のような各条件により下記のようにして衣類8を乾燥した。
循環用送風機14の電動モータ16を衣類乾燥の初めから終りまで強運転して循環風量を200m3 /hとした。
ヒータ11には1300Wの電力を通電して発熱させた。
換気用送風機15の電動モータ16を衣類乾燥の初めから終りまで強運転して換気風量を200m3 /hとした。
【0024】
前述のようにして衣類を乾燥しながら浴室外温度、循環吸込温度、循環吸込湿度、浴室外湿度、循環吹出温度を時間の経過とともに測定すると共に、積算電力を測定し、さらに電気式荷重計7の検出電圧を測定したところ図4のようになった。
【0025】
(比較例3)
前述のような各条件により下記のようにして衣類8を乾燥した。
循環用送風機14の電動モータ16を衣類乾燥の初めから終りまで強運転して循環風量を200m3 /hとした。
ヒータ11には1300Wの電力を通電して発熱させた。
換気用送風機15の電動モータ16を衣類乾燥の初めから終りまで中運転して換気風量を100m3 /hとした。
【0026】
前述のようにして衣類を乾燥しながら浴室外温度、循環吸込温度、循環吸込湿度、浴室外湿度、循環吹出温度を時間の経過とともに測定すると共に、積算電力を測定し、さらに電気式荷重計7の検出電圧を測定したところ図5のようになった。
【0027】
(比較例4)
前述のような各条件により下記のようにして衣類8を乾燥した。
循環用送風機14の電動モータ16を衣類乾燥の初めから終りまで強運転して循環風量を200m3 /hとした。
ヒータ11には1300Wの電力を通電して発熱させた。
換気用送風機15の電動モータ16を衣類乾燥の初めから終りまで弱運転して換気風量を50m3 /hとした。
【0028】
前述のようにして衣類を乾燥しながら浴室外温度、循環吸込温度、循環吸込湿度、浴室外湿度、循環吹出温度を時間の経過とともに測定すると共に、積算電力を測定し、さらに電気式荷重計7の検出電圧を測定したところ図6のようになった。
【0029】
このことから、衣類を乾燥する時間は実験例の場合には7時間18分、比較例1の場合には3時間43分、比較例2の場合には4時間55分、比較例3の場合には4時間35分、比較例4の場合には4時間25分となった。
【0030】
また、積算電力(WH)は実験例の場合には2004、比較例1の場合には4878、比較例2の場合には6475、比較例3の場合には5934、比較例4の場合には5597となった。
【0031】
以上のことをまとめると下記の表となる。
【0032】
【表1】

Figure 0003817702
【0033】
以上の結果から、乾燥前半にはヒータに通電せずに乾燥後半にヒータに通電し、乾燥前半に換気風量を多くし、乾燥後半に換気風量を少なくし、乾燥初めから終りまで一定の循環風量として乾燥することで、積算電力(消費電力)が少なくなることが判明した。なお、ドラム式の衣類乾燥機の積算電力は2400WH程度であり、前述の実験例によればドラム式の衣類乾燥機の積算電力よりも少なくなる。
【0034】
以上のことから、乾燥の初めにはヒータに通電せずに、時間の経過と共に定格の1/3、定格の2/3,定格と段階的にヒータに通電しても積算電力が少なくなることが推察される。
【0035】
次に浴室換気乾燥機を制御する装置の一例を説明する。
図7に示すように、浴室20の天井21に浴室換気乾燥機4が取付けてある。浴室20の出入口22は扉23で開閉され、その扉23にはガラリなどの浴室への空気入口24が形成してある。前記浴室20の出入口22における浴室外部側に操作パネル25が取付けてある。
【0036】
前記浴室換気乾燥機4は図8に示すように浴室の天井21の取付角材26に取付けた本体27に循環用吸気口28、吹出口29、換気用吸気口30、換気口31を形成し、その本体27に循環用送風機32、換気用送風機33、ヒータ34を設けてある。
【0037】
かかる浴室換気乾燥機であれば、換気用送風機33を駆動することで浴室内の空気を換気用吸気口30から吸い込んで換気口31より外部に排出して浴室内を換気できる。
【0038】
また、循環用送風機32を駆動すると共に、ヒータ34に通電して発熱すれば浴室内の空気をヒータ34で加温して浴室内に吹き出して浴室内を暖房できる。
【0039】
また、循環用送風機32、換気用送風機33をそれぞれ駆動すると共に、ヒータ34に通電して発熱すれば、浴室内の空気を加温して循環できると共に、浴室内の高湿度の空気を外部に排出して浴室内を乾燥できる。
また循環用送風機32、換気用送風機33をそれぞれ駆動すれば、浴室内の空気を循環できるし、浴室内に涼風を送ることができる。
【0040】
前記本体27には制御部40が設けてある。この制御部40には浴室内センサ41より浴室内湿度(循環吸込湿度)が入力されると共に、図7に示すように前記操作パネル25に設けた浴室外センサ42より浴室外湿度が入力され、さらに操作パネル25の各スイッチより複数の運転信号が入力される。
【0041】
前記操作パネル25には図9に示すように、換気スイッチ43、暖房スイッチ44、省エネ乾燥スイッチ45、通常乾燥スイッチ46、涼風スイッチ47、停止スイッチ48、タイマー49等が設けてある。
【0042】
前記省エネ乾燥スイッチ45を操作して制御部40に省エネ乾燥信号を入力すると、制御部40は省エネ乾燥運転モードとなる。この時、タイマー49によって浴室換気乾燥機の後半(ヒータ通電運転)の運転時間を制御部40に入力する。
【0043】
制御部40が省エネ乾燥運転モードとなると、まず循環用送風機32、換気用送風機33の電動モータに定格電流を流して定格駆動する。これにより、浴室内の空気が循環すると共に、浴室内の空気が屋外に排出される。
【0044】
制御部40は、これと同時に浴室内センサ41から入力される浴室内湿度と浴室外センサ42から入力される浴室外湿度との差を演算して運転直後の湿度差として記憶する。
【0045】
この後、制御部40は運転中に継続して浴室内湿度と浴室外湿度との湿度差を演算し、その演算した現在の湿度差と前記記憶した運転直後の湿度差とを比較し、その比較値(現在の湿度差/運転直後の湿度差)が所定の値(0.4〜0.7)となった時点で乾燥運転前半終了と判定する。
【0046】
例えば、前述の実験例によれば運転直後の浴室内湿度は86%、浴室外湿度は60%であるから、運転直後の湿度差は26%である。6時間経過後の浴室内湿度は71%、浴室外湿度は60%であるから、その時の現在の湿度差は11%である。比較値は11%を26%で除算した値であるから0.42となる。
【0047】
制御部40が乾燥運転前半終了と判断したら、ヒータ34に通電して発熱すると共に、換気用送風機33の電動モータを弱運転に切換えて換気風量を定格の1/4程度とする。
【0048】
そして、ヒータ通電運転開始からタイマー49で設定した時間が経過したら制御部40は乾燥運転終了と判断して循環用送風機32、換気用送風機33、ヒータ34への通電を止める。
【0049】
通常乾燥スイッチ46を操作して制御部40に通常乾燥信号を入力すると、制御部40は通常乾燥運転モードとなる。これにより、浴室内湿度、浴室外湿度に関係なくタイマー49で設定した時間だけヒータに通電して乾燥動作する。
【0050】
なお、換気スイッチ43、暖房スイッチ44、涼風スイッチ47を操作して制御部40を換気運転モード、暖房運転モード、涼風運転モードとした場合には従来と同様に動作する。また、停止スイッチ48を操作した時には各運転モードが停止する。
【0051】
以上の実施例では循環用送風機と換気用送風機を備えた浴室換気乾燥機について説明したが、1つの送風機と、その吐出空気を吹出口と換気口とに送風制御するダンパを備えた浴室換気乾燥機の場合には、そのダンパを切換作動して換気風量を変更すれば良い。
【0052】
【発明の効果】
第1の発明によれば、浴室内を利用しない時間帯を有効利用して浴室換気乾燥機で衣類を乾燥できるし、その消費電力が少なく経済的である。
【0053】
第2の発明によれば、浴室内湿度と浴室外湿度との湿度差によって乾燥前半と乾燥後半を判断するから、自動的に浴室内の空気を加熱できるし、換気風量を少なくできる。
【0054】
第3の発明によれば、乾燥動作信号を出力する手段を操作するだけで自動的に運転制御して衣類を乾燥できる。
【図面の簡単な説明】
【図1】実験設備の説明図である。
【図2】乾燥動作中の各部の温度、湿度、積算電力、荷重を示す図表である。
【図3】乾燥動作中の各部の温度、湿度、積算電力、荷重を示す図表である。
【図4】乾燥動作中の各部の温度、湿度、積算電力、荷重を示す図表である。
【図5】乾燥動作中の各部の温度、湿度、積算電力、荷重を示す図表である。
【図6】乾燥動作中の各部の温度、湿度、積算電力、荷重を示す図表である。
【図7】制御装置の一例を示す全体斜視図である。
【図8】浴室換気乾燥機の断面図である。
【図9】制御回路図である。
【符号の説明】
4…浴室換気乾燥機、32…循環用送風機、33…換気用送風機、34…ヒータ、40…制御部、41…浴室内センサ、42…浴室外センサ。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method and a control device for drying clothes in a bathroom by a bathroom ventilation dryer for ventilating the inside of the bathroom or drying the inside of the bathroom.
[0002]
[Prior art]
Various types of bathroom ventilation dryers are known. For example, a bathroom ventilation dryer shown in Japanese Utility Model Publication No. 59-186737 is known. Specifically, the air in the bathroom is sucked and discharged into the bathroom to circulate the air in the bathroom, the heater provided in the discharge air passage of the fan for circulation, and the air in the bathroom It is a bathroom ventilation dryer equipped with a ventilator that ventilates outside and ventilates the bathroom.
[0003]
The above-described bathroom ventilation dryer has four functions of ventilation in the bathroom, drying in the bathroom, heating in the bathroom, and feeding cool air into the bathroom. For example, air in a bathroom is circulated with a circulation fan, and the air discharged into the bathroom is heated by energizing a heater to generate heat, and at the same time, part of the air in the bathroom is moved outdoors by a ventilation fan. Dry and ventilate the bathroom by ventilating.
[0004]
By drying the inside of the bathroom as described above, the inside of the bathroom becomes a drying room, so that clothes and the like can be dried.
In this way, if a bathroom ventilation dryer is installed in the bathroom, the time when the bathroom is not used, for example, from the night when the whole family finishes using the bathroom to the next morning, or the main family member goes to work or attends school. There is an advantage that the bathroom can be used as a drying room during the daytime.
[0005]
In addition, when clothes are dried using a bathroom as a drying room, clothes can be hung on a hanger or the like to be dried, so there is no wrinkle on the dried clothes compared to the popular drum-type clothes dryer. There was also an advantage.
[0006]
[Problems to be solved by the invention]
In order to dry the inside of the bathroom with the bathroom ventilation dryer, the circulation fan and the ventilation fan are driven for a predetermined time, and at the same time, the heater is energized to heat and circulate the air in the bathroom with the heater. The entire interior of the bathroom is dried by discharging a part of it outdoors.
[0007]
Since it is like this, the power consumption when drying the clothes by drying the bathroom with the bathroom ventilation dryer is much more than the power consumption when drying the clothes with the drum-type clothes dryer, Drying clothes using a bathroom ventilation dryer is disadvantageous in terms of power consumption.
[0008]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a method and apparatus for drying clothes by a bathroom ventilation dryer that can reduce power consumption when drying clothes by the bathroom ventilation dryer.
[0009]
[Means for Solving the Problems]
As a result of various researches and experiments focusing on the point that the clothes are dried while reducing power consumption, the present inventor found that the time when the bathroom can be used as a drying room as described above, the entire family uses the bathroom. It was found that it was possible to ensure that the bathroom can be used as a drying room for more than 8 hours, from the end of the night until the next morning, or during the day when major family members go to work, attend school or go out.
[0010]
In this way, the fact that the bathroom can be used as a drying room for 8 hours or more means that the clothes need only be dried until at least 8 hours have passed. As a result, the present invention has been achieved.
[0011]
The present invention is a method for drying clothes in a bathroom by a bathroom ventilation dryer having a function of circulating the air in the bathroom while heating and ventilating the air in the bathroom outdoors.
A constant circulating air flow from the beginning to the end of drying
In the first half of the drying, the air in the bathroom is circulated without heating and the ventilation air volume is increased. In the second half of the drying, the air in the bathroom is heated and circulated, and the clothes are dried by reducing the ventilation air volume. This is a clothes drying method using a bathroom ventilation dryer.
[0012]
[Operation]
According to the clothes drying method of the present invention, clothes can be dried with a bathroom ventilation dryer while effectively using the time zone when the inside of the bathroom is not used, and its power consumption is low and economical.
[0013]
The present invention is a bathroom ventilation dryer having a function of circulating the air in the bathroom while heating and ventilating the air in the bathroom outdoors.
A control unit for controlling the operation of the bathroom ventilation dryer;
Means for detecting humidity in the bathroom;
Means for detecting the humidity outside the bathroom;
Means for outputting a drying operation signal,
When a drying operation signal is input, the control unit circulates the bathroom ventilation dryer as a constant circulation airflow from the beginning to the end of the drying without heating the air in the bathroom, and increases the ventilation airflow for operation. The air in the bathroom is heated when the ratio between the humidity difference between the humidity in the bathroom and the humidity outside the bathroom immediately after the driving operation and the humidity difference between the humidity in the bathroom and the humidity outside the bathroom during the drying operation reaches a predetermined value. It is a clothing drying control device by a bathroom ventilation dryer that circulates and operates with reduced ventilation airflow.
[0014]
[Operation]
According to the clothes drying control apparatus of the present invention, the clothes can be dried by automatically controlling the operation only by operating the means for outputting the drying operation signal.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
A clothing drying experiment was conducted using the experimental equipment shown in FIG.
In the experimental facility shown in FIG. 1, a unit bath 2 is installed in an air-conditioned artificial weather chamber 1, a bathroom ventilation dryer 4 is attached to the ceiling 3 of the unit bath 2, and a horizontal bar 6 is attached to an inner wall 5 of the unit bath 2. Is attached via an electric load cell 7. Then, the clothes 8 to be dried are hung by the hanger 9 on the horizontal bar 6.
[0016]
The bathroom ventilation dryer 4 has a circulation air passage 12 and an exhaust air passage 13 provided with a heater 11 in a housing 10, a circulation fan 14 is provided in the circulation air passage 12, and an exhaust air passage 13 is provided for exhaust. A blower 15 is provided.
[0017]
The circulation fan 14 and the exhaust fan 15 rotate the sirocco fan 17 with an electric motor 16. A discharge port of the exhaust air passage 13 is opened in the artificial weather chamber 1 by a duct 18.
[0018]
The artificial weather chamber 1 has a temperature of 20 ° C. and a humidity of 60%.
The size of the unit bath 2 is 1.25 tsubo.
The clothes 8 to be dried are obtained by immersing clothes having a dry weight of 5.0 kg in water at 20 ° C. and centrifugal dewatering for 5 minutes.
Each electric motor 16 is a capacitor induction electric motor, and can be switched between three levels of strong, medium and weak.
Each sirocco fan 17 is the air flow rate when operating strength of the electric motor 16 is 200m 3 / h, to the middle operation 100 m 3 / h, when the weak operation and 50 m 3 / h.
[0019]
(Experimental example)
The garment 8 was dried as described below under the conditions described above.
The electric motor 16 of the circulation fan 14 was intensively operated from the beginning to the end of clothes drying, and the circulation air volume was set to 200 m 3 / h.
The heater 11 was not energized until 6 hours passed from the beginning of clothes drying (the first half), and 1300 W was energized after 6 hours (the latter half) to generate heat.
The electric motor 16 of the ventilation blower 15 is operated strongly during the first half of the clothes drying (until 6 hours elapses) and the ventilation air volume is 200 m 3 / h, and is operated weakly during the latter half (after 6 hours elapses). Was 50 m 3 / h.
[0020]
While drying the clothes as described above, the outside temperature of the bathroom, the circulation suction temperature, the circulation suction humidity, the humidity outside the bathroom, and the circulation blowing temperature are measured over time, the integrated power is measured, and the electric load cell 7 is further measured. When the detected voltage was measured, it was as shown in FIG.
[0021]
(Comparative Example 1)
The garment 8 was dried as described below under the conditions described above.
The electric motor 16 of the circulation fan 14 was intensively operated from the beginning to the end of clothes drying, and the circulation air volume was set to 200 m 3 / h.
The heater 11 was heated by energizing 1300 W power.
The electric motor 16 of the ventilation fan 15 was operated strongly in the first half of clothes drying to make the ventilation air volume 200 m 3 / h, and in the latter half it was operated weakly to make the ventilation air volume 50 m 3 / h.
[0022]
While drying the clothes as described above, the outside temperature of the bathroom, the circulation suction temperature, the circulation suction humidity, the humidity outside the bathroom, and the circulation blowing temperature are measured over time, the integrated power is measured, and the electric load cell 7 is further measured. When the detected voltage was measured, it was as shown in FIG.
[0023]
(Comparative Example 2)
The garment 8 was dried as described below under the conditions described above.
The electric motor 16 of the circulation fan 14 was intensively operated from the beginning to the end of clothes drying, and the circulation air volume was set to 200 m 3 / h.
The heater 11 was heated by energizing 1300 W power.
The electric motor 16 of the ventilation blower 15 was driven strongly from the beginning to the end of clothes drying, and the ventilation air volume was set to 200 m 3 / h.
[0024]
While drying the clothes as described above, the outside temperature of the bathroom, the circulation suction temperature, the circulation suction humidity, the humidity outside the bathroom, and the circulation blowing temperature are measured over time, the integrated power is measured, and the electric load cell 7 is further measured. When the detected voltage was measured, it was as shown in FIG.
[0025]
(Comparative Example 3)
The garment 8 was dried as described below under the conditions described above.
The electric motor 16 of the circulation fan 14 was intensively operated from the beginning to the end of clothes drying, and the circulation air volume was set to 200 m 3 / h.
The heater 11 was heated by energizing 1300 W power.
The electric motor 16 of the ventilation fan 15 was operated from the beginning to the end of clothes drying to adjust the ventilation air flow to 100 m 3 / h.
[0026]
While drying the clothes as described above, the outside temperature of the bathroom, the circulation suction temperature, the circulation suction humidity, the humidity outside the bathroom, and the circulation blowing temperature are measured over time, the integrated power is measured, and the electric load cell 7 is further measured. When the detected voltage was measured, it was as shown in FIG.
[0027]
(Comparative Example 4)
The garment 8 was dried as described below under the conditions described above.
The electric motor 16 of the circulation fan 14 was intensively operated from the beginning to the end of clothes drying, and the circulation air volume was set to 200 m 3 / h.
The heater 11 was heated by energizing 1300 W power.
The electric motor 16 of the ventilation fan 15 was operated weakly from the beginning to the end of clothes drying, and the ventilation air volume was set to 50 m 3 / h.
[0028]
While drying the clothes as described above, the outside temperature of the bathroom, the circulation suction temperature, the circulation suction humidity, the humidity outside the bathroom, and the circulation blowing temperature are measured over time, the integrated power is measured, and the electric load cell 7 is further measured. When the detected voltage was measured, it was as shown in FIG.
[0029]
Therefore, the time for drying the clothes is 7 hours 18 minutes in the case of the experimental example, 3 hours 43 minutes in the case of the comparative example 1, 4 hours 55 minutes in the case of the comparative example 2, and the case of the comparative example 3 Was 4 hours and 35 minutes, and in the case of Comparative Example 4, it was 4 hours and 25 minutes.
[0030]
The integrated power (WH) is 2004 for the experimental example, 4878 for the comparative example 1, 6475 for the comparative example 2, 5934 for the comparative example 3, and 5934 for the comparative example 4. It became 5597.
[0031]
The following table summarizes the above.
[0032]
[Table 1]
Figure 0003817702
[0033]
Based on the above results, the heater was not energized in the first half of the drying, but the heater was energized in the second half of the drying, the ventilation air volume was increased in the first half of the drying, the ventilation air volume was decreased in the second half of the drying, and the constant circulation air volume was from the beginning to the end of the drying. As a result, it was found that the integrated power (power consumption) is reduced by drying. Note that the integrated power of the drum type clothes dryer is about 2400 WH, which is less than the integrated power of the drum type clothes dryer according to the above-described experimental example.
[0034]
From the above, the integrated power is reduced even if the heater is energized step by step with 1/3 of the rating, 2/3 of the rating, and the rating as time passes without energizing the heater at the beginning of drying. Is inferred.
[0035]
Next, an example of an apparatus for controlling the bathroom ventilation dryer will be described.
As shown in FIG. 7, the bathroom ventilation dryer 4 is attached to the ceiling 21 of the bathroom 20. The entrance / exit 22 of the bathroom 20 is opened and closed by a door 23, and an air inlet 24 to the bathroom such as a gallery is formed in the door 23. An operation panel 25 is attached to the outside of the bathroom at the entrance 22 of the bathroom 20.
[0036]
As shown in FIG. 8, the bathroom ventilation dryer 4 has a circulation inlet 28, an outlet 29, a ventilation inlet 30, and a ventilation opening 31 formed in a main body 27 attached to a mounting square 26 of a bathroom ceiling 21. The main body 27 is provided with a circulation fan 32, a ventilation fan 33, and a heater 34.
[0037]
With such a bathroom ventilation dryer, by driving the ventilation blower 33, the air in the bathroom can be sucked from the ventilation inlet 31 and discharged to the outside through the ventilation opening 31 to ventilate the bathroom.
[0038]
Further, when the circulation fan 32 is driven and the heater 34 is energized to generate heat, the air in the bathroom can be heated by the heater 34 and blown into the bathroom to heat the bathroom.
[0039]
In addition, when the circulation fan 32 and the ventilation fan 33 are driven and the heater 34 is energized to generate heat, the air in the bathroom can be heated and circulated, and the high-humidity air in the bathroom can be circulated to the outside. It can be discharged to dry the bathroom.
In addition, if each of the circulation fan 32 and the ventilation fan 33 is driven, air in the bathroom can be circulated and cool air can be sent into the bathroom.
[0040]
The main body 27 is provided with a control unit 40. The controller 40 receives the bathroom humidity (circulation suction humidity) from the bathroom sensor 41 and the bathroom outside humidity from the bathroom outside sensor 42 provided on the operation panel 25 as shown in FIG. Further, a plurality of operation signals are input from each switch of the operation panel 25.
[0041]
As shown in FIG. 9, the operation panel 25 is provided with a ventilation switch 43, a heating switch 44, an energy saving drying switch 45, a normal drying switch 46, a cool air switch 47, a stop switch 48, a timer 49, and the like.
[0042]
When the energy saving drying switch 45 is operated to input an energy saving drying signal to the control unit 40, the control unit 40 enters an energy saving drying operation mode. At this time, the timer 49 inputs the operation time of the second half (heater energization operation) of the bathroom ventilation dryer to the control unit 40.
[0043]
When the control unit 40 is in the energy saving drying operation mode, first, the rated current is supplied to the electric motors of the circulation fan 32 and the ventilation fan 33 to drive the rated drive. Thereby, the air in the bathroom circulates and the air in the bathroom is discharged outdoors.
[0044]
At the same time, the controller 40 calculates the difference between the humidity in the bathroom input from the sensor 41 in the bathroom and the humidity outside the bathroom input from the sensor 42 outside the bathroom, and stores it as a humidity difference immediately after operation.
[0045]
Thereafter, the control unit 40 continuously calculates the humidity difference between the humidity inside the bathroom and the humidity outside the bathroom, and compares the calculated current humidity difference with the stored humidity difference immediately after the operation, When the comparison value (current humidity difference / humidity difference immediately after operation) reaches a predetermined value (0.4 to 0.7), it is determined that the first half of the drying operation has ended.
[0046]
For example, according to the experimental example described above, the humidity in the bathroom immediately after operation is 86% and the humidity outside the bathroom is 60%, so the humidity difference immediately after operation is 26%. Since the humidity inside the bathroom after 6 hours is 71% and the humidity outside the bathroom is 60%, the current humidity difference at that time is 11%. Since the comparison value is a value obtained by dividing 11% by 26%, it is 0.42.
[0047]
When the control unit 40 determines that the first half of the drying operation has been completed, the heater 34 is energized to generate heat, and the electric motor of the ventilation blower 33 is switched to a weak operation to reduce the ventilation air flow rate to about 1/4 of the rating.
[0048]
When the time set by the timer 49 elapses from the start of the heater energization operation, the control unit 40 determines that the drying operation has ended, and stops energization of the circulation fan 32, the ventilation fan 33, and the heater 34.
[0049]
When the normal drying switch 46 is operated to input a normal drying signal to the control unit 40, the control unit 40 enters the normal drying operation mode. Accordingly, the heater is energized for the time set by the timer 49 regardless of the humidity in the bathroom and the humidity outside the bathroom, and the drying operation is performed.
[0050]
In addition, when the ventilation switch 43, the heating switch 44, and the cool air switch 47 are operated and the control unit 40 is set to the ventilation operation mode, the heating operation mode, and the cool air operation mode, the operation is the same as the conventional one. Further, when the stop switch 48 is operated, each operation mode is stopped.
[0051]
In the above embodiments, the bathroom ventilation dryer provided with the circulation fan and the ventilation fan has been described. However, the bathroom ventilation dryer provided with a blower and a damper that controls the discharge air to the outlet and the ventilation port. In the case of a machine, the damper air flow may be changed by switching the damper.
[0052]
【The invention's effect】
According to the first invention, the clothes can be dried with the bathroom ventilation dryer by effectively using the time zone when the inside of the bathroom is not used, and the power consumption thereof is small and economical.
[0053]
According to the second aspect, since the first half and the second half of the drying are determined based on the humidity difference between the humidity inside the bathroom and the humidity outside the bathroom, the air inside the bathroom can be automatically heated and the ventilation air volume can be reduced.
[0054]
According to the third aspect of the present invention, the clothes can be dried by automatically controlling the operation only by operating the means for outputting the drying operation signal.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of experimental equipment.
FIG. 2 is a chart showing the temperature, humidity, integrated power, and load of each part during a drying operation.
FIG. 3 is a chart showing the temperature, humidity, integrated power, and load of each part during a drying operation.
FIG. 4 is a chart showing the temperature, humidity, integrated power, and load of each part during the drying operation.
FIG. 5 is a chart showing the temperature, humidity, integrated power, and load of each part during the drying operation.
FIG. 6 is a chart showing the temperature, humidity, integrated power, and load of each part during the drying operation.
FIG. 7 is an overall perspective view showing an example of a control device.
FIG. 8 is a cross-sectional view of a bathroom ventilation dryer.
FIG. 9 is a control circuit diagram.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 4 ... Bathroom ventilation dryer, 32 ... Circulation fan, 33 ... Ventilation fan, 34 ... Heater, 40 ... Control part, 41 ... In-bathroom sensor, 42 ... Outside-bathroom sensor.

Claims (3)

浴室内の空気を加熱しながら循環すると共に、浴室内の空気を屋外に換気する機能を有する浴室換気乾燥機により浴室内の衣類を乾燥する方法において、
乾燥初めから終わりまで一定の循環風量とし、
乾燥前半には浴室内の空気を加熱せずに循環すると共に換気風量を多くし、乾燥後半には浴室内の空気を加熱して循環すると共に、換気風量を少なくして衣類を乾燥するようにしたことを特徴とする浴室換気乾燥機による衣類乾燥方法。
In the method of drying clothes in the bathroom by a bathroom ventilation dryer having a function of circulating the air in the bathroom while heating and ventilating the air in the bathroom outdoors,
A constant circulating air flow from the beginning to the end of drying
In the first half of the drying, the air in the bathroom is circulated without heating and the ventilation air volume is increased. In the second half of the drying, the air in the bathroom is heated and circulated, and the clothes are dried by reducing the ventilation air volume. A clothes drying method using a bathroom ventilation dryer.
乾燥運転直後の浴室内湿度と浴室外湿度の湿度差と、乾燥運転中の浴室内湿度と浴室外湿度の湿度差との割合が所定の値となった時に浴室内の空気を加熱して循環すると共に、換気風量を少なくするようにした請求項1記載の浴室換気乾燥機による衣類乾燥方法。  When the ratio between the humidity difference between the humidity in the bathroom immediately after the drying operation and the humidity outside the bathroom and the difference between the humidity in the bathroom and the humidity outside the bathroom during the drying operation reaches a predetermined value, the air in the bathroom is heated and circulated. The method for drying clothes by a bathroom ventilation dryer according to claim 1, wherein the ventilation air volume is reduced. 浴室内の空気を加熱しながら循環すると共に、浴室内の空気を屋外に換気する機能を有する浴室換気乾燥機と、
この浴室換気乾燥機を運転動作制御する制御部と、
浴室内湿度を検出する手段と、
浴室外湿度を検出する手段と、
乾燥動作信号を出力する手段とを備え、
前記制御部は、乾燥動作信号が入力されると浴室換気乾燥機を、乾燥初めから終わりまで一定の循環風量として浴室内の空気を加熱せずに循環すると共に、換気風量を多くして運転動作し、運転動作直後の浴室内湿度と浴室外湿度の湿度差と乾燥運転中の浴室内湿度と浴室外湿度の湿度差との割合が所定の値となった時に浴室内の空気を加熱して循環すると共に、換気風量を少なくして運転動作するものとした浴室換気乾燥機による衣類乾燥制御装置。
A bathroom ventilation dryer having a function of circulating the air in the bathroom while heating and ventilating the air in the bathroom to the outside;
A control unit for controlling the operation of the bathroom ventilation dryer;
Means for detecting humidity in the bathroom;
Means for detecting the humidity outside the bathroom;
Means for outputting a drying operation signal,
When a drying operation signal is input, the control unit circulates the bathroom ventilation dryer as a constant circulation airflow from the beginning to the end of the drying without heating the air in the bathroom, and increases the ventilation airflow for operation. The air in the bathroom is heated when the ratio between the humidity difference between the humidity in the bathroom and the humidity outside the bathroom immediately after the driving operation and the humidity difference between the humidity in the bathroom and the humidity outside the bathroom during the drying operation reaches a predetermined value. A clothes drying control device with a bathroom ventilation dryer that circulates and operates with reduced ventilation airflow.
JP13798296A 1996-05-31 1996-05-31 Clothes drying method and control device by bathroom ventilation dryer Expired - Lifetime JP3817702B2 (en)

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