JPS5969648A - Bath to be automatically monitored - Google Patents
Bath to be automatically monitoredInfo
- Publication number
- JPS5969648A JPS5969648A JP57179418A JP17941882A JPS5969648A JP S5969648 A JPS5969648 A JP S5969648A JP 57179418 A JP57179418 A JP 57179418A JP 17941882 A JP17941882 A JP 17941882A JP S5969648 A JPS5969648 A JP S5969648A
- Authority
- JP
- Japan
- Prior art keywords
- bathtub
- water level
- bath
- water
- heating
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/54—Water heaters for bathtubs or pools; Water heaters for reheating the water in bathtubs or pools
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control For Baths (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、遠隔制御方式による自動風呂装置の制御構成
に関する〇
従来例の構成とその問題点
従来、この種の自動風呂装置は、第１図に示すように構
成されている。すなわち、浴槽１には、湯温検出センサ
２、循環ポンプ３、熱交換器４、が直列に循環パイプ５
を用いて接続されている。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to the control structure of an automatic bath device using a remote control system. The structure of a conventional example and its problems. It is configured as shown. That is, in the bathtub 1, a hot water temperature detection sensor 2, a circulation pump 3, a heat exchanger 4, and a circulation pipe 5 are connected in series.
is connected using
浴槽１への給排水構成は、電動閉止弁６，７へ開閉信号
を送るように加熱コントローラ８に接続されている。さ
らに加熱コントローラ８は、ストッパ９によって浴槽１
の上端部に吊下げられた水位センサ１０と、湯温検出セ
ンサ２とからの湯温、水位情報を受け、かつバーナ１１
の燃焼量を制御するガス弁１２にガス燃焼制御信号を送
り、循環ポンプ３にアクセス信号を送るように接続さｆ
ｌでいる。捷だ、第１図のように、浴室内を８１浴室以
外の部屋をｂとすると浴室内のりモートコ／トローラ１
３（以下風呂コンとする。）からり毛コン指令を加熱コ
ントローラ８に力えるように接続されている。浴室以外
の部屋６（たとえば台所など）において、水位、湯温情
報を加熱コントローラ８を介してモニタするようにメイ
ンコントローラ１４（以下、メインコンとする。）が接
続されている。The water supply and drainage structure to the bathtub 1 is connected to a heating controller 8 so as to send opening/closing signals to electric shutoff valves 6 and 7. Further, the heating controller 8 controls the bathtub 1 by means of a stopper 9.
The burner 11 receives water temperature and water level information from the water level sensor 10 and the water temperature detection sensor 2 suspended from the upper end.
is connected to send a gas combustion control signal to the gas valve 12 that controls the combustion amount of f, and to send an access signal to the circulation pump 3.
I'm l. As shown in Figure 1, if the inside of the bathroom is 81 and the room other than the bathroom is b, then the number of rooms in the bathroom is Mortoko/Trolla 1.
3 (hereinafter referred to as a bath controller) is connected so as to send a heating controller command to the heating controller 8. In a room 6 other than the bathroom (for example, a kitchen), a main controller 14 (hereinafter referred to as main controller) is connected to monitor water level and hot water temperature information via a heating controller 8.
この構成において、メインコン１４による自動沸上を行
った場合、使用者は、まず浴室へ行き希望沸上水位を想
定して水位センサ１ｏをスト、ツバ９を使って上下に移
動設置しなければ々らない０また風呂蓋を給水スペース
分だけ残して閉めなければならない。そして、メインコ
ントローラ１４からモニタする場合、一定値の水位検出
しか行えず、湯温検出センサ２より湯温情報だけしか得
られない。また、使用者が入浴中か否かを浴室以外の場
所からは確認出来ない等の欠点を有していたＣ発明の目
的
本発明は、このような従来の欠点を除去するもので、浴
槽側端部に簡単な構成で多段式に水位を検出しかつ、浴
室以外の場所において、遠隔制御による水位検出と使用
者が入浴中か否か（風呂蓋が閉っているか否か）の確認
を可能にすることを目的としている。In this configuration, when automatic boiling is performed by the main controller 14, the user must first go to the bathroom, assume the desired boiling water level, and install the water level sensor 1o by moving it up and down using the collar 9. In addition, the bath lid must be closed leaving just enough space for the water supply. When monitoring from the main controller 14, only a fixed value of water level can be detected, and only water temperature information can be obtained from the water temperature detection sensor 2. In addition, it had the disadvantage that it was not possible to check whether the user was taking a bath or not from a place other than the bathroom.Objective of the Invention The present invention eliminates such conventional disadvantages. The water level can be detected in multiple stages with a simple configuration at the end, and the water level can be detected by remote control in places other than the bathroom, and it can be confirmed whether the user is taking a bath (whether the bath lid is closed or not). It aims to make it possible.
発明の構成
この目的を達成するために本発明は、光結合素子群を縦
方向に配接し、この光結合を光遮断物によって遮断する
ことによって浴槽の水位を検出する水位検出部を浴槽下
部Ｕ字管状に接合し、かつ浴槽の上端部で風呂蓋下面に
設けた反射体を利用して風呂蓋載置を確認する光センサ
群を設けたものである。Structure of the Invention In order to achieve this object, the present invention provides a water level detection section that detects the water level of the bathtub by vertically arranging a group of optical coupling elements and blocking this optical coupling with a light blocking object. A group of optical sensors are connected in a tubular shape and are installed at the upper end of the bathtub to confirm the placement of the bathtub lid using a reflector provided on the lower surface of the bathtub lid.
この構成によって、光結合素子群の発光素子群側から発
せられた光が浴槽の水位と同水位にある光遮断物によっ
てこの部分だけ光が遮断されることとなる。また、浴槽
の上端部の周囲の反射型の光センサは、使用者が入浴中
か否かを風呂蓋裏面の反射体の有無によって検知するこ
ととなる。With this configuration, the light emitted from the light emitting element group side of the optical coupling element group is blocked only in this portion by the light blocking object that is at the same water level as the water level of the bathtub. Further, a reflective optical sensor around the upper end of the bathtub detects whether a user is taking a bath or not based on the presence or absence of a reflector on the back surface of the bathtub lid.
実施例の説明
以下、本発明の一実施例を第２図〜第６図に基づいて説
明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 6.
第２図は、実施例の上面図であり、第３図は第２図にお
けるＡ−Ａ’縦断面図、第４図は、浴槽上端部の風呂蓋
検知センサ側面図である。第１図と第２図〜第４図と同
一部品については同一番号を付し同一機能であり説明を
省く。FIG. 2 is a top view of the embodiment, FIG. 3 is a vertical sectional view taken along the line AA' in FIG. 2, and FIG. 4 is a side view of the bath lid detection sensor at the upper end of the bathtub. The same parts as in FIGS. 1 and 2 to 4 are given the same numbers, have the same functions, and will not be described further.
第２図において、１５は水位検出部であり第３図に示す
ように浴槽１の下部においてＵ字管状に接合されている
。水位検出部１５の側面には光結合素子群１６が縦方向
に一定間隔で接合されている。水位検出部１６の上端に
はキャップ１７が着脱可能に接合されている。光結合を
遮断する光遮断物１Ｂは中空円筒形状で急激な水位上昇
時にキャップ１７を介して第２図に示すように、浴槽へ
通じる溝１９に流入するような構成である。In FIG. 2, reference numeral 15 denotes a water level detecting section, which is joined in a U-shaped tube shape at the lower part of the bathtub 1, as shown in FIG. Optical coupling element groups 16 are joined to the side surface of the water level detection section 15 at regular intervals in the vertical direction. A cap 17 is removably connected to the upper end of the water level detection section 16. The light blocking object 1B that blocks optical coupling has a hollow cylindrical shape and is configured such that when the water level rises rapidly, the water flows into the groove 19 leading to the bathtub via the cap 17, as shown in FIG.
浴槽１の上端部には、風呂蓋２０の裏面の反射６ 。At the upper end of the bathtub 1, there is a reflection 6 of the back surface of the bath lid 20.
板２１を利用して物体検知する光センサ２２が第４図の
ように接続されている。光結合素子群１６と電気信号を
送受する加熱コントローラ８は、メインコン１４に水位
・湯温情報及び風呂蓋２ｏの開閉情報を送るように接続
されている。An optical sensor 22 that detects an object using a plate 21 is connected as shown in FIG. A heating controller 8 that transmits and receives electrical signals to and from the optical coupling element group 16 is connected to the main controller 14 so as to send water level/hot water temperature information and opening/closing information of the bath lid 2o.
第５図と第６図に、それぞれ風呂コン１３をメイコン１
４の構成図を示す。Figures 5 and 6 show Bath Controller 13 and Mac Controller 1, respectively.
4 is shown.
２３．２４は各コントローラの運転の大切スイツチ、２
６．２６はメインコン１４と風呂コン１３の制御切換ス
イッチ、２７は風呂コン１３の運転時間を決めるタイマ
ー、２８はメインコンの画像表示部（たとえばＣＲＴな
ど）２９に風呂の水位・湯温を入力するためのキーボー
ドである。３０゜３１はそれぞれ入力データに基づいた
加熱プログラムのスタートキーとリセットキーである。23.24 are important switches for operation of each controller, 2
6. 26 is a control switch for the main controller 14 and the bath controller 13, 27 is a timer that determines the operation time of the bath controller 13, and 28 is a control switch that displays the water level and temperature of the bath on the image display section (for example, CRT) 29 of the main controller. It is a keyboard for input. 30 and 31 are a start key and a reset key, respectively, for a heating program based on input data.
３２゜３３はメインコン１４の制御を示すランプ、３４
゜３５は風呂コン１３の制御を示すランプ、３６゜３７
は各コントローラの運転ランプである。32° 33 is a lamp indicating control of the main controller 14; 34
゜35 is a lamp indicating control of the bath air conditioner 13, 36゜37
is the operation lamp of each controller.
上記構成において、使用者は、捷ずメインコン１４の運
転スイッチ２４を押す。次に数字キーボ−ド群２８によ
って、沸上時刻、希望湯温、希望湯量の設定を行う。メ
インコン１４０ランプ３３が点灯しているのを確認して
（風呂コン１３のランプ３５が点灯していれば、制御切
換スイ、 （−２６を入力することによりメインコン１
４佃に１１１１序ｆｉｌ ”４：移す。）スタートスイ
ッチ３０を押す。時刻、高温、湯量等の入力データを基
にメインコン１４の内部ノマイクロコンピュータ等の制
御により、着火時刻の逆計算を行って、加熱コントロー
ラ８への給水、加熱信号を送る。In the above configuration, the user presses the operation switch 24 of the main controller 14 without switching. Next, using the numerical keyboard group 28, the boiling time, desired hot water temperature, and desired amount of hot water are set. Check that the main controller 140 lamp 33 is lit (if the lamp 35 of the bath controller 13 is lit, switch the control switch switch, (-26) to switch the main controller 1
4) Press the start switch 30. Based on the input data such as time, high temperature, amount of hot water, etc., the ignition time is reversely calculated under the control of the internal microcomputer of the main controller 14. Then, water supply and heating signals are sent to the heating controller 8.
沸」−中において、風呂蓋のしめ忘れがあれば、第４図
に示すように光センサ２２によって検知し、メインコン
１４の画像表示部２９に蓋のしめ忘れを表示するととも
に、ブザー３８で報知する。If you forget to close the bathtub lid during boiling, it will be detected by the optical sensor 22 as shown in FIG. inform.
加熱コントローラ８は、メインコン１４からの給水、加
熱信号を受けて、電動閉止弁７を閉じ、６を開く。浴槽
１内の水位の上昇を、水位検出部１５に設置された光結
合素子群１６に定期的に信号を送ることによって監視す
る。また、水位が、浴槽循環パイプ５の上側パイプより
も高くなれば、ブザ２から湯温を定期的に検出し、設定
湯温より低ければ、バーナへのガス量を調整するガス垂
２を動作させ加熱を制御する。水位が設定水位に達すれ
ば、電動閉止弁６に閉止信号を送り給水を停屯させる。The heating controller 8 receives water supply and heating signals from the main controller 14, closes the electric shutoff valve 7, and opens the electric shutoff valve 6. The rise in the water level in the bathtub 1 is monitored by periodically sending a signal to a group of optical coupling elements 16 installed in the water level detection section 15. Also, if the water level becomes higher than the upper pipe of the bathtub circulation pipe 5, the hot water temperature is periodically detected from the buzzer 2, and if it is lower than the set water temperature, the gas taper 2 is activated to adjust the amount of gas to the burner. control heating. When the water level reaches the set water level, a closing signal is sent to the electric shutoff valve 6 to stop the water supply.
かつ、設定湯温に達すれば、ガス弁１２を閉じて加熱を
終える。さらに、沸上終了信号をメインコン１４に送り
メインコン１４はこれを受けて画像表示手段２９上の沸
上中表示を消し、ブザー３Ｂにより沸上完了報知する。Moreover, when the set water temperature is reached, the gas valve 12 is closed to end the heating. Further, a boiling completion signal is sent to the main controller 14, and the main controller 14 receives the signal, turns off the boiling in progress display on the image display means 29, and notifies the completion of boiling by the buzzer 3B.
入浴中において、タイマーを用いて一定時間追焚を行う
場合には、捷ず、運転スイッチ２３を入力し、フロコン
１３０制御切換スイツチ２５を風呂コン側に移す。次に
タイマー２７を用いて所望の加熱時間をセットすると、
燃焼を開始してセット時間経過後に燃焼を停止トする。When taking a bath, if you want to use the timer to reheat the heat for a certain period of time, do not turn it off, but instead input the operation switch 23 and move the flow conditioner 130 control changeover switch 25 to the bath conditioner side. Next, use the timer 27 to set the desired heating time.
Starts combustion and stops combustion after a set time has elapsed.
上記風呂コン１３の追焚タイマーは、次の日浴槽の水を
入れ替えなしで、もう一度沸したい時、メインコン１４
によるプログラム加熱が行え々い場合、特に便利である
〇
また、自動沸上終了後、加熱コントローラ８から定期的
に第４図に示す光センサ群２２に検出信号を送ることに
より風呂蓋の有無を確認し、使用者が入沿中か否かを判
断することができる。The reheat timer of the bathtub controller 13 above is used when you want to boil the water in the bathtub again the next day without having to replace it.
This is especially convenient when programmed heating cannot be carried out frequently. Also, after the automatic boiling is finished, the heating controller 8 periodically sends a detection signal to the optical sensor group 22 shown in Fig. 4 to detect the presence or absence of the bath lid. It is possible to check whether the user is currently on duty or not.
従って、多段式の水位センサ部により、水位を段階的に
しかも常時監視できるので、風呂から離れた場所での水
位・湯温等の風呂に関する情報が得られることになる。Therefore, since the water level can be monitored step by step and constantly using the multi-stage water level sensor, information about the bath, such as the water level and water temperature, can be obtained at a location away from the bath.
捷た、風呂蓋を利用して入浴中か否かを検出することが
出来る。It is possible to detect whether a person is taking a bath or not by using the broken bath lid.
発明の効果
以上の説明から明らかなように、本発明の自動風呂装置
によれば、光結合素子群を縦方向に配接し、この光結合
を光遮断物によって浴槽の水位を検出する水位検出部を
浴槽下部でＵ字管状に接合し、かつ浴槽の上端部で風呂
蓋下面に設けた反射体を利用して風呂蓋載置を確認する
光センザ群を設けることにより、浴室以外の場所におい
て、リモートでの水位検出と入浴中か否か（風呂蓋が閉
っているか否か）の確認が可能となり操作性が一段と向
上するという効果が得られる０
１０、−Effects of the Invention As is clear from the above explanation, according to the automatic bathing device of the present invention, a water level detection section is provided in which a group of optical coupling elements are arranged in a vertical direction, and the water level of the bathtub is detected by the optical coupling using a light blocking object. is connected in a U-shaped tube shape at the bottom of the bathtub, and a group of optical sensors are installed at the upper end of the bathtub to confirm the placement of the bathtub lid using a reflector installed on the bottom surface of the bathtub lid. It is possible to remotely detect the water level and check whether the bath is being bathed (whether the bath lid is closed or not), which further improves operability.0 10, -
第１図は従来の風呂装置の構成図、第２図は本発明の自
動風呂装置の一実施例を示す構成図、第３図は第２図の
Ａ−Ａ’線における断面図、第４図は同風呂蓋検知セン
サ部分の要部断面図、第５図は同浴室のリモートコント
ローラの平面図、第６図は同メインコントローラの平面
図である。
１・・・・・・浴槽、２・・・・・湯温検出センサ、３
・・・・循環ポンプ、６・・・・・電動閉止弁、７・川
・・電動排水弁、８・・・・・加熱コントローラ、１１
・・・・バーナ、１２・・・・・・ガス弁、１３・・
・・・・フロリモコン、１４・中・・メインコントロー
ラ、１６・・・・・水位検出部、１６・・・・光結合素
子群、１Ｂ・・・・・・光遮断物、２０・・・・・・風
呂蓋、２１・・・・反射体、２２・・・・・・光センサ
群〇代理人の氏名 弁理士 中 尾 敏 男 ほか１名
区 区の
Ｑ憚 鵬
−２・
手続補正書（方式）
昭和５８年３月ｌ−日
特許庁長官殿
１事件の表示
昭和５７年特許願第 １７９４１８号
２発明の名称
自動風呂装置
３補正をする者
事件との開工 特 許 出 願 大
佐 ル１ 大阪府門真市大字門真１００６番地名 称
（５８２）松下電器産業株式会社代表音
山 下 俊 彦４代理人 〒５７１
住 所 大阪府門真市大字門真１００６番地松下電器
産業株式会社内
第５図
第６図Fig. 1 is a block diagram of a conventional bath device, Fig. 2 is a block diagram showing an embodiment of the automatic bath device of the present invention, Fig. 3 is a sectional view taken along the line AA' in Fig. 2, and Fig. The figure is a sectional view of a main part of the bath lid detection sensor, FIG. 5 is a plan view of the remote controller of the bathroom, and FIG. 6 is a plan view of the main controller. 1...Bathtub, 2...Water temperature detection sensor, 3
...Circulation pump, 6...Electric shut-off valve, 7. River...Electric drain valve, 8...Heating controller, 11
...Burner, 12...Gas valve, 13...
...Flore remote control, 14.Middle...Main controller, 16..Water level detection unit, 16..Optical coupling element group, 1B..Light blocking object, 20.. ... Bath lid, 21 ... Reflector, 22 ... Optical sensor group Name of agent Patent attorney Toshio Nakao and 1 other person Ward Ward
Q. Peng-2 Procedural amendment (method) March 1, 1980 Mr. Commissioner of the Japan Patent Office 1 Display of case 1988 Patent Application No. 179418 2 Name of invention Automatic bath device 3 Case of person making amendments Opening of construction Patent application Colonel Le 1 1006 Oaza Kadoma, Kadoma City, Osaka Name (582) Matsushita Electric Industrial Co., Ltd.
Toshihiko Yamashita 4 Agent 571 Address 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. Figure 5 Figure 6
Claims (1)
せる循環ポンプと、前記浴槽と前記循環ポンプとを結ぶ
循環パイプ内に設けた湯温検出センサと、前記浴槽への
給水を制御する電動閉止弁と、前記浴槽の排水を制御す
る電動排水弁と、光結合素子群を縦方向に配接し、この
光結合を光遮断物によって遮断することによって浴槽の
水位を検出する水位検出部と、前記水位検出部と前記湯
温検出センサとからの水位、湯温情報をもとに加熱源と
してのバーナに送る燃料の制御を行うガス弁を制御し、
かつ前記循環ポンプと電動閉止弁と電動排水弁とにアク
セス信号を送る加熱コントローラと、前記加熱コントロ
ーラに浴室内から加熱信号を送る風呂リモコンと、前記
加熱コントローラから湯温水位情報を受は画像表示手段
にモニタし、かつキーボードにより入力された沸」一時
刻、沸上２ ・ 温度、沸上水位をもとに加熱給水信号を送る浴室以外に
設けたメインコントローラとによって構成され、前記浴
槽の」二端部で風呂蓋下面に設けた反射体を利用して風
呂蓋載置の確認をする光センサ群を設けた自動風呂装置
。(1) A bathtub, a circulation pump that forcibly circulates water supplied into the bathtub, a hot water temperature detection sensor installed in a circulation pipe connecting the bathtub and the circulation pump, and a control unit that controls the water supply to the bathtub. an electric shutoff valve for controlling drainage of the bathtub, an electric drain valve for controlling drainage of the bathtub, and a water level detection section that detects the water level of the bathtub by vertically arranging a group of optical coupling elements and blocking the optical coupling with a light blocking object. and controlling a gas valve that controls fuel sent to a burner as a heating source based on water level and hot water temperature information from the water level detection section and the hot water temperature detection sensor,
and a heating controller that sends an access signal to the circulation pump, the electric shutoff valve, and the electric drain valve; a bath remote control that sends a heating signal to the heating controller from inside the bathroom; and a bath remote controller that receives hot water temperature and water level information from the heating controller and displays an image. and a main controller installed outside the bathroom, which sends heating water supply signals based on the boiling time, temperature, and boiling water level inputted via the keyboard and monitored by the bathtub. An automatic bath device equipped with a group of optical sensors that use reflectors provided on the underside of the bath lid at two ends to confirm that the bath lid is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57179418A JPS5969648A (en) | 1982-10-12 | 1982-10-12 | Bath to be automatically monitored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57179418A JPS5969648A (en) | 1982-10-12 | 1982-10-12 | Bath to be automatically monitored |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5969648A true JPS5969648A (en) | 1984-04-19 |
| JPH0145537B2 JPH0145537B2 (en) | 1989-10-04 |
Family
ID=16065516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57179418A Granted JPS5969648A (en) | 1982-10-12 | 1982-10-12 | Bath to be automatically monitored |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5969648A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60238638A (en) * | 1984-09-17 | 1985-11-27 | Hoxan Corp | Automatic control device of hot water temperature in bathtub |
| JPS6166043A (en) * | 1984-09-06 | 1986-04-04 | Matsushita Electric Ind Co Ltd | Hot water supply apparatus with bath additional burning function |
| JPS62238983A (en) * | 1986-04-11 | 1987-10-19 | 株式会社山本製作所 | Method and device for monitoring state of operation of cereal grain drier |
| JPS62195040U (en) * | 1986-06-02 | 1987-12-11 | ||
| JPS63144545U (en) * | 1987-03-13 | 1988-09-22 |
-
1982
- 1982-10-12 JP JP57179418A patent/JPS5969648A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6166043A (en) * | 1984-09-06 | 1986-04-04 | Matsushita Electric Ind Co Ltd | Hot water supply apparatus with bath additional burning function |
| JPS60238638A (en) * | 1984-09-17 | 1985-11-27 | Hoxan Corp | Automatic control device of hot water temperature in bathtub |
| JPH0421107B2 (en) * | 1984-09-17 | 1992-04-08 | Hokusan Kk | |
| JPS62238983A (en) * | 1986-04-11 | 1987-10-19 | 株式会社山本製作所 | Method and device for monitoring state of operation of cereal grain drier |
| JPS62195040U (en) * | 1986-06-02 | 1987-12-11 | ||
| JPS63144545U (en) * | 1987-03-13 | 1988-09-22 | ||
| JPH0442674Y2 (en) * | 1987-03-13 | 1992-10-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0145537B2 (en) | 1989-10-04 |
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