JPH07248247A - Abnormal water-level detector - Google Patents
Abnormal water-level detectorInfo
- Publication number
- JPH07248247A JPH07248247A JP6040698A JP4069894A JPH07248247A JP H07248247 A JPH07248247 A JP H07248247A JP 6040698 A JP6040698 A JP 6040698A JP 4069894 A JP4069894 A JP 4069894A JP H07248247 A JPH07248247 A JP H07248247A
- Authority
- JP
- Japan
- Prior art keywords
- water
- pipe
- inspection
- receiving tank
- water level
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 193
- 230000002159 abnormal effect Effects 0.000 title claims description 10
- 238000007689 inspection Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims description 21
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、受水槽内の水位が上
下の限界位置、即ち満水位置及び減水位置に達したこと
を検出するための異常水位検出装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an abnormal water level detecting device for detecting that the water level in a water receiving tank has reached upper and lower limit positions, that is, a full water position and a reduced water position.
【０００２】[0002]
【従来の技術】図４は従来の受水槽の一例を示す構成図
である。図において、１は水２が入れられた受水槽、３
は受水槽１の側面上部に接続され、受水槽１に水２を供
給する給水管、４は受水槽１の下部に接続され、受水槽
１内の水２を排出するための排水バルブ、５は受水槽１
の上面に設けられている蓋である。2. Description of the Related Art FIG. 4 is a block diagram showing an example of a conventional water receiving tank. In the figure, 1 is a water tank containing water 2 and 3
Is connected to an upper part of the side surface of the water receiving tank 1, a water supply pipe for supplying water 2 to the water receiving tank 1 is connected to a lower portion of the water receiving tank 1, and a drain valve for discharging the water 2 in the water receiving tank 1 Is the water tank 1
Is a lid provided on the upper surface of.
【０００３】６は受水槽１内の水２の水位を検出するた
めのフロート式水位検出器、７及び８は受水槽１内にそ
れぞれ設けられ、フロート式水位検出器６の動作不良時
に水位の満水状態及び減水状態をそれぞれ検出する満水
検出用電極棒センサ及び減水検出用電極棒センサ、９は
満水及び減水検出用電極棒センサ７，８に接続されてい
る外部警報盤である。Reference numeral 6 is a float type water level detector for detecting the water level of the water 2 in the water receiving tank 1, and reference numerals 7 and 8 are provided in the water receiving tank 1, respectively, for detecting the water level when the float type water level detector 6 malfunctions. An electrode rod sensor for full water detection and an electrode rod sensor for water reduction detection for detecting a full water state and a water reduction state, respectively, and 9 are external alarm boards connected to the electrode rod sensors 7, 8 for full water and water reduction detection.
【０００４】次に、動作について説明する。フロート式
水位検出器６が正常に動作しているときには、このフロ
ート式水位検出器６からの情報に応じて、給水管３から
の給水及び排水バルブ４からの排水がそれぞれ行われ
る。しかし、フロート式水位検出器６に動作不良が発生
したときには、満水状態以上の給水や減水状態以下の排
水が行われる恐れがある。このため、満水及び減水検出
用電極棒センサ７，８を設け、外部警報盤９により警報
を発するようになっている。Next, the operation will be described. When the float type water level detector 6 is operating normally, water is supplied from the water supply pipe 3 and drained from the drain valve 4 according to the information from the float type water level detector 6. However, when a malfunction occurs in the float type water level detector 6, there is a possibility that water supply above the full water condition and drainage below the water decrease condition will be performed. For this reason, electrode rod sensors 7 and 8 for detecting full water and reduced water are provided, and an external alarm panel 9 issues an alarm.
【０００５】従って、フロート式水位検出器６の動作不
良時に備えて、満水及び減水検出用電極棒センサ７，８
の動作を点検しておく必要がある。まず、満水検出用電
極棒センサ７の動作を点検するには、蓋５を開けて受水
槽１内に体を乗り出して水位を確認した後、フロート式
水位検出器６を押し下げて手動動作させ、満水状態とな
るまで受水槽１内に給水する。そして、満水検出用電極
棒センサ７が水２に浸かったことを目視確認した上で、
満水検出用電極棒センサ７が動作したことを外部警報盤
９により確認する。Therefore, in case of malfunction of the float type water level detector 6, the electrode rod sensors 7 and 8 for detecting full water and low water are prepared.
It is necessary to check the operation of. First, in order to check the operation of the electrode sensor 7 for full water detection, after opening the lid 5 and leaning the body into the water tank 1 to check the water level, the float type water level detector 6 is pushed down for manual operation. Water is supplied into the water receiving tank 1 until the water is full. Then, after visually confirming that the full water detection electrode rod sensor 7 is immersed in the water 2,
It is confirmed by the external alarm panel 9 that the electrode sensor 7 for full water detection has operated.
【０００６】一方、減水検出用電極棒センサ８の動作を
点検するには、減水状態となるまで受水槽１内の水２を
排水バルブ４から排水する。そして、減水検出用電極棒
センサ８が水２に浸かっていないことを目視確認した上
で、減水検出用電極棒センサ８が動作したことを外部警
報盤９により確認する。On the other hand, in order to check the operation of the water reduction detection electrode rod sensor 8, the water 2 in the water receiving tank 1 is drained from the drain valve 4 until the water reduction state is reached. Then, after visually confirming that the water reduction detection electrode rod sensor 8 is not submerged in the water 2, it is confirmed by the external alarm panel 9 that the water reduction detection electrode rod sensor 8 has operated.
【０００７】[0007]
【発明が解決しようとする課題】上記のように構成され
た従来の受水槽１においては、満水及び減水検出用電極
棒センサ７，８が受水槽１内に配置されているので、こ
れらの動作点検を行うためには、蓋５を開け、体を乗り
出して水位を確認する必要があり、作業性が悪く、かつ
受水槽１内に塵埃が侵入するなどの問題点があった。ま
た、満水及び減水検出用電極棒センサ７，８の動作点検
のために、多量の水２を給水したり排水したりする必要
があるので、水２の無駄が多く、かつ作業時間が長くか
かるなどの問題点もあった。In the conventional water receiving tank 1 configured as described above, the electrode rod sensors 7 and 8 for detecting fullness and low water level are arranged in the water receiving tank 1, so that these operations are performed. In order to carry out the inspection, it is necessary to open the lid 5 and lean out to check the water level, which causes problems such as poor workability and dust entering the water receiving tank 1. Further, in order to check the operation of the electrode rod sensors 7 and 8 for detecting fullness of water and water reduction, it is necessary to supply and drain a large amount of water 2, so that much water 2 is wasted and a long working time is required. There were also problems such as.
【０００８】この発明は、上記のような問題点を解決す
ることを課題としてなされたものであり、受水槽内を覗
かずに水位確認が可能であり、作業性を向上させること
ができ、作業時間を短縮できるとともに、水等の無駄を
少なくすることができる異常水位検出装置を得ることを
目的とする。The present invention has been made to solve the above-mentioned problems, and it is possible to confirm the water level without looking into the inside of the water receiving tank, and to improve workability and work. An object of the present invention is to obtain an abnormal water level detection device that can reduce time and waste of water and the like.
【０００９】[0009]
【課題を解決するための手段】この発明に係る異常水位
検出装置は、パイプ内水位が受水槽内の水位と等しくな
るように受水槽に接続されているとともに、パイプ内水
位が目視可能になっている点検用パイプと、この点検用
パイプ内にそれぞれ配置され、パイプ内水位が満水位置
及び減水位置にあることをそれぞれ検出する満水検出用
センサ及び減水検出用センサと、受水槽と点検用パイプ
との間に設けられている止水バルブと、点検用パイプに
設けられている排水手段とを備えているものである。The abnormal water level detecting device according to the present invention is connected to the water receiving tank so that the water level in the pipe becomes equal to the water level in the water receiving tank, and the water level in the pipe becomes visible. Check pipe, and a sensor for detecting full water and a sensor for detecting decrease in water, which are arranged inside the check pipe and detect when the water level in the pipe is at the full water position and the water decrease position, respectively, the water tank and the inspection pipe. And a drainage means provided in the inspection pipe.
【００１０】[0010]
【作用】この発明においては、受水槽と同様の水位変化
をする点検用パイプに、満水及び減水検出用センサを設
け、これらの動作点検時には、止水バルブを閉じ、パイ
プ内水位を目視確認しつつ、点検用パイプ内のみに給水
したり、排水手段により点検用パイプ内を排水したりす
る。According to the present invention, the inspection pipe, which changes the water level in the same manner as the water receiving tank, is provided with sensors for detecting fullness and water reduction, and when checking the operation of these, the water shutoff valve is closed and the water level in the pipe is visually checked. At the same time, water is supplied only to the inspection pipe, or the inside of the inspection pipe is drained by drainage means.
【００１１】[0011]
【実施例】以下、この発明の実施例を図について説明す
る。図１はこの発明の一実施例による異常水位検出装置
を有する受水槽を示す構成図、図２は図１の一部を拡大
して示す斜視図であり、図４と同一又は相当部分には同
一符号を付し、その説明を省略する。Embodiments of the present invention will be described below with reference to the drawings. 1 is a configuration diagram showing a water receiving tank having an abnormal water level detection device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a part of FIG. 1 in an enlarged manner. The same reference numerals are given and the description thereof is omitted.
【００１２】図において、１１は下端部が受水槽１の側
面下部に接続されている点検用パイプであり、この点検
用パイプ１１は、パイプ内水位２ａが受水槽１内の水位
と等しくなっている。また、点検用パイプ１１は、パイ
プ内水位２ａが目視可能となるように、例えばガラスや
プラスチック等の透明な材料により構成されている。さ
らに、点検用パイプ１１内には、満水及び減水検出用電
極棒センサ７，８がそれぞれ挿入されており、これらは
外部警報盤９に接続されている。In the figure, 11 is an inspection pipe whose lower end is connected to the lower part of the side surface of the water receiving tank 1. In this inspection pipe 11, the water level 2a in the pipe is equal to the water level in the water receiving tank 1. There is. The inspection pipe 11 is made of a transparent material such as glass or plastic so that the water level 2a in the pipe can be visually observed. Further, electrode rod sensors 7 and 8 for detecting full water and reduced water are respectively inserted in the inspection pipe 11, and these are connected to an external alarm panel 9.
【００１３】１２は点検用パイプ１１の上端部に着脱自
在に設けられているパイプカバー、１３は点検用パイプ
１１と受水槽１との間に設けられている止水バルブ、１
４は点検用パイプ１１の下端部に設けられている排水手
段としての排水バルブである。Reference numeral 12 is a pipe cover which is detachably provided on the upper end of the inspection pipe 11, 13 is a water shutoff valve provided between the inspection pipe 11 and the water receiving tank 1,
Reference numeral 4 denotes a drain valve as a drain means provided at the lower end of the inspection pipe 11.
【００１４】次に、動作について説明する。通常、止水
バルブ１３は開状態となっており、点検用パイプ１１の
パイプ内水位２ａは、パスカルの原理により受水槽１内
の水位と等しくなっている。従って、フロート式水位検
出器６に動作不良が発生し、受水槽１内の水位が満水状
態や減水状態となると、点検用パイプ１１内の満水又は
減水検出用電極棒センサ７，８によりその異常水位が検
出される。Next, the operation will be described. Normally, the water shutoff valve 13 is in an open state, and the pipe water level 2a of the inspection pipe 11 is equal to the water level in the water receiving tank 1 according to the principle of Pascal. Therefore, when the float type water level detector 6 malfunctions and the water level in the water receiving tank 1 becomes full or low, the abnormality is detected by the full-fill or low-water detection electrode rod sensors 7 and 8 in the inspection pipe 11. The water level is detected.
【００１５】また、満水及び減水検出用電極棒センサ
７，８の動作点検時には、止水バルブ１３が閉状態にさ
れる。この状態で、まず満水検出用電極棒センサ７の点
検を行うには、パイプカバー１２を取り外し、パイプ内
水位２ａを目視確認しつつ、点検用パイプ１１内のみに
注水する。そして、満水検出用電極棒センサ７が水２に
浸かったことを目視確認した上で、満水検出用電極棒セ
ンサ７が動作したことを外部警報盤９により確認する。Further, at the time of checking the operation of the electrode rod sensors 7 and 8 for detecting full water and low water, the water shutoff valve 13 is closed. In this state, in order to inspect the full-filling detection electrode rod sensor 7, first, the pipe cover 12 is removed, and water is poured only into the inspection pipe 11 while visually checking the water level 2a in the pipe. Then, after visually confirming that the full water detection electrode rod sensor 7 is immersed in the water 2, the external alarm panel 9 confirms that the full water detection electrode rod sensor 7 has operated.
【００１６】一方、減水検出用電極棒センサ８の点検を
行うには、止水バルブ１３を閉じた状態で、パイプ内水
位２ａを確認しつつ、排水バルブ１４が開状態にされ、
点検用パイプ１１内のみが排水される。そして、パイプ
内水位２ａが減水位置に達したことを目視確認した上
で、減水検出用電極棒センサ８が動作したことを外部警
報盤９により確認する。On the other hand, in order to inspect the water reduction detecting electrode rod sensor 8, the drain valve 14 is opened while the water stop valve 13 is closed and the water level 2a in the pipe is checked.
Only the inside of the inspection pipe 11 is drained. Then, after visually confirming that the water level 2a in the pipe has reached the water reduction position, it is confirmed by the external alarm panel 9 that the water reduction detection electrode rod sensor 8 has operated.
【００１７】このような異常水位検出装置によれば、受
水槽１内の水位を直接確認することなく、満水及び減水
検出用電極棒センサ７，８の動作点検を行うことができ
るので、点検作業の作業性が向上するとともに、受水槽
１内への塵埃等の侵入が防止される。また、点検時に、
受水槽１内の水２に触れる必要がなく、衛生的である。According to such an abnormal water level detecting device, the operation of the electrode rod sensors 7 and 8 for detecting fullness and low water can be inspected without directly checking the water level in the water receiving tank 1. The workability of is improved, and intrusion of dust and the like into the water receiving tank 1 is prevented. Also, at the time of inspection,
Since it is not necessary to touch the water 2 in the water receiving tank 1, it is hygienic.
【００１８】さらに、点検時には、点検用パイプ１１内
のみを注水・排水すればよいので、多量の水２を浪費す
ることがなく、またそのための時間も短時間で済むこと
になる。さらにまた、満水及び減水検出用電極棒センサ
７，８の交換をする場合、受水槽１はそのままで点検用
パイプ１１の部分のみで交換作業をすることができ、作
業性が向上する。Further, at the time of inspection, only the inside of the inspection pipe 11 needs to be filled with water and drained, so that a large amount of water 2 is not wasted and the time therefor can be shortened. Furthermore, when replacing the full-water and water-reduction detecting electrode rod sensors 7 and 8, the water receiving tank 1 can be left as it is and the replacement work can be performed only with the inspection pipe 11, and the workability is improved.
【００１９】なお、上記実施例では全体が透明な材料か
らなる点検用パイプ１１を示したが、例えば図３に示す
ように、金属製の点検用パイプ２１に透明なガラス製覗
き窓２２を取り付けたものなどでもよい。In the above embodiment, the inspection pipe 11 made of a transparent material is shown, but as shown in FIG. 3, for example, a transparent inspection window 22 made of glass is attached to the inspection pipe 21 made of metal. It may be a tatami mat.
【００２０】また、上記実施例では排水手段として排水
バルブ１４を示したが、点検用パイプ１１のパイプ内水
位２ａを減水位置まで下げることができれば、汲上式の
ものなどであってもよい。さらに、満水及び減水検出用
センサは、それぞれ電極棒式のものに限定されるもので
はない。Further, although the drain valve 14 is shown as the drain means in the above embodiment, a pumping type or the like may be used as long as the in-pipe water level 2a of the inspection pipe 11 can be lowered to the reduced water position. Further, the sensor for detecting full water and the sensor for detecting reduced water are not limited to those of the electrode rod type.
【００２１】さらにまた、上記実施例では水２を入れる
受水槽１の異常水位検出について示したが、他の液体で
あってもよい。Furthermore, in the above embodiment, the abnormal water level detection of the water receiving tank 1 for containing the water 2 is shown, but other liquids may be used.
【００２２】[0022]
【発明の効果】以上説明したように、この発明の異常水
位検出装置は、パイプ内水位が受水槽内の水位と等しく
なるように受水槽に接続されているとともに、パイプ内
水位が目視可能になっている点検用パイプと、この点検
用パイプ内にそれぞれ配置され、パイプ内水位が満水位
置及び減水位置にあることをそれぞれ検出する満水検出
用センサ及び減水検出用センサと、受水槽と点検用パイ
プとの間に設けられている止水バルブと、点検用パイプ
に設けられている排水手段とを備えたので、点検作業時
に受水槽内を覗かずに水位確認が可能であり、作業性を
向上させることができるとともに、受水槽への塵埃等の
侵入を防止することができるなどの効果を奏する。ま
た、点検時に受水槽内の水に触れる必要がないため、衛
生的であるという効果も奏する。さらに、点検用パイプ
に対してのみ注水・排水を行えばよいため、点検作業の
作業時間を短縮できるとともに、水等の無駄を少なくす
ることができ、経済的であるなどの効果も奏する。さら
にまた、満水及び減水検出用センサの交換作業を簡単に
することができるという効果も奏する。As described above, the abnormal water level detecting device of the present invention is connected to the water receiving tank so that the water level in the pipe becomes equal to the water level in the water receiving tank, and the water level in the pipe can be visually checked. Check pipe, and a sensor for detecting full water and a sensor for detecting decrease in water level, which are located inside the check pipe and detect when the water level in the pipe is at the full water position and the water decrease position, respectively. Since the water shutoff valve provided between the pipe and the drainage means provided in the inspection pipe are provided, it is possible to check the water level without looking into the water receiving tank during the inspection work, which improves workability. In addition to being improved, it is possible to prevent dust and the like from entering the water receiving tank. In addition, since it is not necessary to touch the water in the water receiving tank at the time of inspection, it is hygienic. Furthermore, since it is only necessary to inject and drain water into the inspection pipe, it is possible to shorten the work time of the inspection work and reduce the waste of water and the like, which is advantageous in that it is economical. Furthermore, there is an effect that it is possible to simplify the replacement work of the sensor for detecting the full water and the water reduction.
【図１】この発明の一実施例による異常水位検出装置を
有する受水槽を示す構成図である。FIG. 1 is a configuration diagram showing a water tank having an abnormal water level detection device according to an embodiment of the present invention.
【図２】図１の一部を拡大して示す斜視図である。FIG. 2 is a perspective view showing a part of FIG. 1 in an enlarged manner.
【図３】点検用パイプの他の例を示す斜視図である。FIG. 3 is a perspective view showing another example of the inspection pipe.
【図４】従来の受水槽の一例を示す構成図である。FIG. 4 is a configuration diagram showing an example of a conventional water receiving tank.
１ 受水槽 ２ａ パイプ内水位 ７ 満水検出用電極棒センサ ８ 減水検出用電極棒センサ １１ 点検用パイプ １３ 止水バルブ １４ 排水バルブ（排水手段） ２１ 点検用パイプ 1 Water tank 2a Water level in pipe 7 Electrode rod sensor for full water detection 8 Electrode rod sensor for water reduction detection 11 Inspection pipe 13 Water stop valve 14 Drain valve (drainage means) 21 Inspection pipe
Claims (1)
なるように上記受水槽に接続されているとともに、上記
パイプ内水位が目視可能になっている点検用パイプと、
この点検用パイプ内にそれぞれ配置され、上記パイプ内
水位が満水位置及び減水位置にあることをそれぞれ検出
する満水検出用センサ及び減水検出用センサと、上記受
水槽と上記点検用パイプとの間に設けられている止水バ
ルブと、上記点検用パイプに設けられている排水手段と
を備えていることを特徴とする異常水位検出装置。1. An inspection pipe connected to the water receiving tank such that the water level in the pipe is equal to the water level in the water receiving tank, and the water level in the pipe is visible.
Between the water filling tank and the inspection pipe, which are respectively arranged in the inspection pipes and which detect the water level in the pipes at the full water position and the water reduction position, respectively, and a sensor for detecting the full water, and the water receiving tank and the inspection pipe. An abnormal water level detection device comprising: a water shutoff valve provided; and drainage means provided on the inspection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6040698A JPH07248247A (en) | 1994-03-11 | 1994-03-11 | Abnormal water-level detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6040698A JPH07248247A (en) | 1994-03-11 | 1994-03-11 | Abnormal water-level detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07248247A true JPH07248247A (en) | 1995-09-26 |
Family
ID=12587791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6040698A Pending JPH07248247A (en) | 1994-03-11 | 1994-03-11 | Abnormal water-level detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07248247A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397853B1 (en) * | 2001-10-18 | 2003-09-13 | 기아자동차주식회사 | Auto drain system of the level gage for a water tank |
| JP2006208118A (en) * | 2005-01-26 | 2006-08-10 | Sanki Eng Co Ltd | Tubular sensor for water level observation-cum-water level control, and water-receiving tank with the same sensor disposed therein |
| KR101523959B1 (en) * | 2013-10-30 | 2015-05-29 | 현대제철 주식회사 | Detection device for flow of gas holder |
| CN105115566A (en) * | 2015-10-08 | 2015-12-02 | 厦门拓宝科技有限公司 | Detection instrument for water level of water tank |
| JP2015216975A (en) * | 2014-05-14 | 2015-12-07 | オリンパス株式会社 | Water level detecting device, and endoscope cleansing and disinfecting device |
-
1994
- 1994-03-11 JP JP6040698A patent/JPH07248247A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397853B1 (en) * | 2001-10-18 | 2003-09-13 | 기아자동차주식회사 | Auto drain system of the level gage for a water tank |
| JP2006208118A (en) * | 2005-01-26 | 2006-08-10 | Sanki Eng Co Ltd | Tubular sensor for water level observation-cum-water level control, and water-receiving tank with the same sensor disposed therein |
| KR101523959B1 (en) * | 2013-10-30 | 2015-05-29 | 현대제철 주식회사 | Detection device for flow of gas holder |
| JP2015216975A (en) * | 2014-05-14 | 2015-12-07 | オリンパス株式会社 | Water level detecting device, and endoscope cleansing and disinfecting device |
| CN105115566A (en) * | 2015-10-08 | 2015-12-02 | 厦门拓宝科技有限公司 | Detection instrument for water level of water tank |
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