JP2000055792A - Underwater water sampler - Google Patents
Underwater water samplerInfo
- Publication number
- JP2000055792A JP2000055792A JP10227156A JP22715698A JP2000055792A JP 2000055792 A JP2000055792 A JP 2000055792A JP 10227156 A JP10227156 A JP 10227156A JP 22715698 A JP22715698 A JP 22715698A JP 2000055792 A JP2000055792 A JP 2000055792A
- Authority
- JP
- Japan
- Prior art keywords
- sampling
- water
- opening
- closing
- underwater
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば湖沼、河川
または海洋で、水深が異なる複数の場所の水をサンプリ
ングして回収するための水中採水器に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater water sampling device for sampling and recovering water from a plurality of places having different water depths, for example, in lakes, rivers, or the sea.
【０００２】[0002]
【従来の技術】湖沼等の水質分析のため、所望の水深の
水層からサンプリングするには水中採水器が使用され
る。従来、ある箇所で時間をずらして複数のサンプリン
グをしようとするとき、あるいは所望の深さ毎（又は場
所毎）に複数のサンプリングをしようとするには、複数
の採水器を用意し、採水器の投入→サンプリング→回収
の操作を別々にしなければならなかった。2. Description of the Related Art For water quality analysis of lakes and marshes, an underwater water sampling device is used for sampling from a water layer at a desired depth. Conventionally, when trying to perform a plurality of samplings at a certain location with a time shift, or to perform a plurality of samplings for each desired depth (or for each place), a plurality of water sampling devices are prepared and collected. The operation of water supply → sampling → recovery had to be done separately.
【０００３】出願人は、１回の投入、回収の操作で異な
った時間あるいは場所の水を数種類サンプリングできる
水中採水器を、特願平９−３４４８２８号として既に出
願している。この水中採水器は、密封容器に収納された
柔軟なフィルムからなる複数の採水バックに順次採水す
るものであり、水圧の変化の少ない場所でのサンプリン
グに好適である。[0003] The applicant has already filed a Japanese Patent Application No. Hei 9-344828 for an underwater water dispenser capable of sampling several types of water at different times or places by a single charging and collecting operation. This underwater water sampling device sequentially samples water in a plurality of water sampling bags made of a flexible film stored in a sealed container, and is suitable for sampling in a place where there is little change in water pressure.
【０００４】[0004]
【発明が解決しようとする課題】水質調査を行う際、深
海と浅海のように水圧が大きく異なる場所で複数種類の
水を連続してサンプリングする要求がある。本発明はこ
のような要求を満たす水中採水器を提供することを目的
とする。When conducting a water quality survey, there is a need to continuously sample a plurality of types of water in places where the water pressures are greatly different, such as deep sea and shallow sea. An object of the present invention is to provide an underwater water dispenser satisfying such requirements.
【０００５】[0005]
【課題を解決するための手段】前記の目的を達成するた
めになされた本発明の水中採水器は、実施例に対応する
図１に示すように、柔軟なフィルムからなる複数の採水
バック３Ａ、３Ｂ・・・が収納され、容器開閉具５を介
して外部へ通じる密封容器１に、水中ポンプ９が連結さ
れ、各採水バック３Ａ、３Ｂ・・・に繋がるサンプリン
グチューブ６Ａ、６Ｂ・・・が各々サンプリング開閉具
４Ａ、４Ｂ・・・を介して外部に通じ、水中ポンプ９の
作動前に、容器開閉具５が閉鎖し少なくとも１つのサン
プリング開閉具４Ａ、４Ｂ・・・が開放し、水中ポンプ
９の作動停止に合わせて、容器開閉具５が開放しサンプ
リング開閉具４Ａ、４Ｂ・・・が閉鎖するものである。The underwater water dispenser of the present invention made to achieve the above object has a plurality of water collecting bags made of a flexible film as shown in FIG. 1 corresponding to the embodiment. 3A, 3B... Are housed, and a submersible pump 9 is connected to a sealed container 1 communicating to the outside via a container opening / closing tool 5, and sampling tubes 6A, 6B. .. Communicate with the outside via the sampling switches 4A, 4B,..., Respectively, and before the submersible pump 9 is operated, the container opening and closing member 5 is closed and at least one of the sampling switches 4A, 4B. , The container opening and closing member 5 is opened and the sampling opening and closing members 4A, 4B.
【０００６】本発明の水中採水器は、図３に示すよう
に、容器開閉具５およびサンプリング開閉具４Ａ、４Ｂ
・・・がロータ上のカム２２および３２Ａ、３２Ｂ・・
・に係合して進退するクランプレバーで開閉される構成
で適切に実施できる。As shown in FIG. 3, the underwater water sampling device of the present invention comprises a container opening / closing member 5 and sampling opening / closing members 4A, 4B.
... cams 22 and 32A, 32B on the rotor
· The structure can be properly implemented by being opened and closed by a clamp lever which engages with and moves forward and backward.
【０００７】この水中採水器は、容器開閉具５を開放
し、サンプリング開閉具４Ａ、４Ｂ・・・を閉鎖して水
中に投入される。サンプリングすべき位置まで潜らせた
とき、密封容器１の内部の圧力と外部の圧力は吸引チュ
ーブ７を通じて均等に保たれている。In this underwater sampling device, the container opening / closing device 5 is opened, and the sampling opening / closing devices 4A, 4B. When the sample is sunk to the position to be sampled, the pressure inside the sealed container 1 and the pressure outside the sealed container 1 are kept uniform through the suction tube 7.
【０００８】容器開閉具５を閉じ、サンプリング開閉具
４Ａを開き、水中ポンプ９を動作させると、密封容器１
から水２が排出され、柔軟なフィルムの採水バック３Ａ
だけが、サンプリングチューブ６Ａを通じて周囲の水を
吸い込み、水２の排出体積を補充するだけ膨張（点線示
参照）する。吸引を停止するときには、水中ポンプ９を
停止させ、サンプリング開閉具４Ａを閉じ、開閉具５を
開き、密封容器１の内圧と外部の圧力が均等となる。こ
のようにして第１回のサンプリングが終了する。When the container opening / closing device 5 is closed, the sampling opening / closing device 4A is opened, and the submersible pump 9 is operated, the sealed container 1 is opened.
2 is discharged from the water, and a flexible film water collecting bag 3A
Only inhale surrounding water through the sampling tube 6A and expand to replenish the discharge volume of the water 2 (see dotted line). When stopping the suction, the submersible pump 9 is stopped, the sampling switch 4A is closed, the switch 5 is opened, and the internal pressure of the sealed container 1 and the external pressure are equalized. Thus, the first sampling is completed.
【０００９】水中採水器をこの状態のまま、所望の深さ
に潜めたり場所を移動、または（および）さらに時間が
経過したら、第１回のサンプリングと同様の操作で第２
回以降のサンプリング操作を繰り返す。必要数のサンプ
リング（採水バックの数が最大限）が終了したら水中採
水器を引き上げて回収する。In this state, the submersible water sampler is sunk to a desired depth or moved to a different place, and / or when a further time has elapsed, the second operation is performed in the same manner as in the first sampling.
Repeat the sampling operation after this time. When the required number of samplings (maximum number of sampling bags) is completed, raise the underwater sampling device to collect.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施例を図面によ
り詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１１】図１には、本発明を適用する水中採水器の
実施例の構成ブロック図が示されている。FIG. 1 is a block diagram showing the configuration of an embodiment of an underwater water dispenser to which the present invention is applied.
【００１２】水中採水器は、密封容器１が容器開閉具５
を介して吸引チューブ７に繋がり容器外に通じ、さらに
吸水パイプ２０を介して水中ポンプ９に繋がれ、密封容
器１内には採水バック３Ａ・３Ｂ・・・が配置されてい
る。採水バック３Ａにはサンプリングチューブ６Ａが繋
がれサンプリング開閉具４Ａを介して外部に通じてい
る。同様に採水バック３Ｂ、３Ｃ、３Ｄは、チューブ６
Ｂ、６Ｃ、６Ｄに繋がれ開閉具４Ｂ、４Ｃ、４Ｄを介し
て外部に通じている。駆動モータ８は、サンプリング開
閉具４Ａ、４Ｂ・・・の開閉を制御するロータ２１の軸
と、容器開閉具５の開閉を制御するロータ３１の軸に連
結している。水中ポンプ９の駆動と停止および駆動モー
タ８の回転を制御する制御回路１０と電源電池１１を有
している。In the underwater water sampling device, the sealed container 1 has a container opening / closing device 5.
Are connected to the suction tube 7 via the pipe and the outside of the container, and further connected to the submersible pump 9 via the water absorption pipe 20. The water collecting bags 3A, 3B... A sampling tube 6A is connected to the water sampling bag 3A, and communicates with the outside via a sampling opening / closing tool 4A. Similarly, the sampling bags 3B, 3C, and 3D are tubes 6
B, 6C, and 6D, which communicate with the outside via the opening / closing members 4B, 4C, and 4D. The drive motor 8 is connected to a shaft of a rotor 21 for controlling the opening and closing of the sampling opening and closing members 4A, 4B,... And a shaft of a rotor 31 for controlling the opening and closing of the container opening and closing member 5. It has a control circuit 10 for controlling the drive and stop of the submersible pump 9 and the rotation of the drive motor 8, and a power supply battery 11.
【００１３】詳細には、図２に示すように、フレーム２
５に固設されたシャーシ板２６に密封容器１および密閉
されている回路収納筒２７が取り付けられる。密封容器
１の内には採水バック３Ａ・３Ｂ・・・が配置されてい
る。採水バッグ３Ａ、３Ｂ、・・・は、柔軟性と若干の
弾性を持った袋で、耐環境性、対微生物等を考慮すると
テフロン、シリコンのフィルムの袋が好ましい。採水バ
ック３Ａ・３Ｂ・・・には各々サンプリングチューブ６
Ａ・６Ｂ・・・が繋がり、密封容器１の蓋２８を通って
外部に伸びている。More specifically, as shown in FIG.
The hermetically sealed container 1 and the hermetically sealed circuit storage tube 27 are attached to a chassis plate 26 fixedly mounted on the chassis 5. Water collecting bags 3A, 3B,... Are arranged in the sealed container 1. The water sampling bags 3A, 3B,... Are bags having flexibility and some elasticity, and are preferably bags of Teflon or silicon film in consideration of environmental resistance, antimicrobial resistance, and the like. Each of the sampling bags 3A, 3B,.
.. Are connected to each other and extend outside through the lid 28 of the sealed container 1.
【００１４】密封容器１の上部には、フレーム２５に水
中ポンプ９が取り付けられ、その吸水パイプ２０は密封
容器１の内部に配管され、排水口は外部に開放してい
る。水中ポンプ９には防水モータ３３が取り付けられて
いる。回路収納筒２７には、制御回路１０、駆動回路１
２、駆動回路１３、電源電池１１が配置され、そこから
防水モータ３３および駆動モータ８に配線されている。
開閉具５を介して容器外に伸びる吸引チューブ７が密封
容器１に通じている。A submersible pump 9 is mounted on a frame 25 at the upper part of the sealed container 1, and a water absorption pipe 20 is provided inside the sealed container 1, and a drain port is open to the outside. A waterproof motor 33 is attached to the submersible pump 9. The control circuit 10 and the drive circuit 1
2. The drive circuit 13 and the power supply battery 11 are arranged, and are connected to the waterproof motor 33 and the drive motor 8 therefrom.
A suction tube 7 extending to the outside of the container via the opening / closing tool 5 communicates with the sealed container 1.
【００１５】サンプリング開閉具４Ａ、４Ｂ・・・およ
び容器開閉具５は、フレーム２５に取り付けられた円板
３０に挟まれている。容器開閉具５は、図３に示すよう
に、クランプレバー３４がロータ３１上の凹型カム３２
Ａに係合して吸引チューブ７を開放している。サンプリ
ング開閉具４Ａ、４Ｂ・・・は、クランプレバー２４
Ａ、２４Ｂ・・・が別なロータ２１上の外周２３に接
し、サンプリングチューブ６Ａ・・・を閉鎖している。The sampling opening / closing members 4A, 4B,... And the container opening / closing member 5 are sandwiched between disks 30 attached to a frame 25. As shown in FIG. 3, the container opening / closing device 5 is configured such that the clamp lever 34 is connected to the concave cam 32 on the rotor 31.
A and the suction tube 7 is opened. The sampling opening / closing members 4A, 4B,...
A, 24B,... Are in contact with the outer periphery 23 on another rotor 21 to close the sampling tubes 6A.
【００１６】詳細には、要部平面図である図４に示すよ
うに、開閉具４Ａは、クランプレバー２４Ａがロータ２
１の外周２３に接合しているときサンプリングチューブ
６Ａを押しつぶして、閉鎖している。ロータ２１の回転
により、クランプレバー２４Ａが凹型カム２２に係合す
るときバネ３５で押されて凹形カム２２の深さだけ戻さ
れサンプリングチューブ６Ａから離れて、開閉具４Ａは
開放している。開閉具５も同様に開閉する構成を有して
いる。More specifically, as shown in FIG. 4 which is a plan view of the main part, the opening / closing member 4A
When the sampling tube 6A is joined to the outer periphery 23, the sampling tube 6A is crushed and closed. Due to the rotation of the rotor 21, when the clamp lever 24A is engaged with the concave cam 22, it is pushed by the spring 35, returned by the depth of the concave cam 22, separated from the sampling tube 6A, and the opening / closing tool 4A is opened. The opening / closing tool 5 also has a configuration that opens and closes similarly.
【００１７】水中採水器は、以下のように動作する。水
中採水器を投入する前に、クランプレバー３４をロータ
３１上の凹型カム３２Ａに係合させ容器開閉具５を開
き、密封容器１に水を充填しておく。密封容器１の内外
圧差を均等にするためのものであり、また、採水するバ
ッグ３Ａ内の水との接触はないので、真水、湖水、海水
等水が使用できる。The underwater dispenser operates as follows. Before throwing in the underwater dispenser, the clamp lever 34 is engaged with the concave cam 32A on the rotor 31, the container opening / closing tool 5 is opened, and the sealed container 1 is filled with water. This is for equalizing the pressure difference between the inside and outside of the sealed container 1 and does not come into contact with the water in the bag 3A for sampling water, so that fresh water, lake water, seawater, or the like can be used.
【００１８】船などによりサンプリングすべき水域に到
達したら、ロープを連結してある水中採水器を投入し、
所期の水深まで沈める。十分な時間が経過すると容器開
閉具５が開いているため、吸引チューブ７を通じて密封
容器１内の内外圧差はなくなる。When the water reaches the water area to be sampled by a ship or the like, the underwater water sampling device connected with the rope is inserted,
Submerge to the desired depth. After a sufficient time has elapsed, since the container opening / closing tool 5 is open, the internal / external pressure difference in the sealed container 1 through the suction tube 7 disappears.
【００１９】所定のタイミングで制御回路１０から信号
が出て、駆動回路１３を動作させると、電源電池１１の
電流が駆動モータ８に流れ、駆動モータ８は、ロータ３
１の凹型カム３２Ａ、３２Ｂ・・・の半ピッチ（図３参
照）だけロータ３１を矢印ａ方向に回転させる。ロータ
３１の回転により、クランプレバー３４はロータ３１上
の外周３３Ａに移動し、吸引チューブ７を押しつぶして
閉鎖し、密封容器１内外の連通を塞ぐ。同時に、ロータ
２１も回転し、ロータ２１上の凹型カム２２にクランプ
レバー２４Ａが係合し、サンプリングチューブ６Ａが開
放され外部と通じる。When a signal is output from the control circuit 10 at a predetermined timing and the drive circuit 13 is operated, the current of the power supply battery 11 flows to the drive motor 8 and the drive motor 8
The rotor 31 is rotated in the direction of arrow a by a half pitch (see FIG. 3) of the first concave cams 32A, 32B. By the rotation of the rotor 31, the clamp lever 34 moves to the outer periphery 33A on the rotor 31, crushes and closes the suction tube 7, and closes the communication between the inside and outside of the sealed container 1. At the same time, the rotor 21 also rotates, the clamp lever 24A is engaged with the concave cam 22 on the rotor 21, and the sampling tube 6A is opened to communicate with the outside.
【００２０】次いで制御回路１０から信号が出て、駆動
回路１２を動作させると、電源電池１１の電流で防水モ
ータ３３が回転し、水中ポンプ９が動作して密封容器１
から所定量の水２が排出される。採水バック３Ａが、開
放されているサンプリングチューブ６Ａから周囲の海水
を吸い込み、点線で示すように膨張する。所定量の吸引
を終了するタイミングで制御回路１０から信号が出て駆
動回路１２から防水モータ３３への電流を停止させ、水
中ポンプ９が停止する。Next, when a signal is output from the control circuit 10 and the drive circuit 12 is operated, the waterproof motor 33 is rotated by the current of the power supply battery 11, and the submersible pump 9 is operated to operate the sealed container 1
A predetermined amount of water 2 is discharged from the apparatus. The water sampling bag 3A draws in surrounding seawater from the open sampling tube 6A and expands as shown by the dotted line. At the timing when the predetermined amount of suction ends, a signal is output from the control circuit 10 to stop the current from the drive circuit 12 to the waterproof motor 33, and the submersible pump 9 stops.
【００２１】再度、制御回路１０から信号が出て、駆動
回路１３から駆動モータ８を回転させ、ロータ３１を半
ピッチ（図３参照）だけ回転させる。クランプレバー３
４はロータ３１上の凹型カム３２Ｂに係合し、吸引チュ
ーブ７が開き外部と通じ、密封容器１内の内外圧差がな
くなる。ロータ２１も同時に回転し、同時にクランプレ
バー２４Ａが、ロータ２１上の外周２３に移動し、サン
プリングチューブ６Ａを閉鎖し採水バック３Ａ内外の連
通を塞ぐ。このようにして第１回のサンプリングが終了
する。A signal is output from the control circuit 10 again, and the drive motor 8 is rotated from the drive circuit 13 to rotate the rotor 31 by a half pitch (see FIG. 3). Clamp lever 3
4 engages with the concave cam 32B on the rotor 31, the suction tube 7 opens and communicates with the outside, and there is no pressure difference between inside and outside of the sealed container 1. The rotor 21 also rotates at the same time, and at the same time, the clamp lever 24A moves to the outer periphery 23 on the rotor 21, closes the sampling tube 6A and closes the communication inside and outside the water sampling bag 3A. Thus, the first sampling is completed.
【００２２】第２回以降のサンプリングは、第１回のサ
ンプリングと同様の操作で、サンプリング開閉具４Ｂ、
４Ｃ・・・の順次な開閉と、容器開閉具５の開閉を交互
に繰り返し、順次採水バック３Ｂ、３Ｃ・・・に採水が
行われる。所定の回数サンプリングしたら、ロープを巻
き上げ水中採水器を回収する。The second and subsequent samplings are performed in the same manner as in the first sampling, and the sampling opening / closing tool 4B,
4C... And the opening and closing of the container opening and closing tool 5 are alternately repeated, and water is collected in the water collecting bags 3B, 3C. After sampling a predetermined number of times, wind up the rope and collect the underwater sampling device.
【００２３】なお、水中採水器は、図２に示すように、
サンプリングチューブ６Ａ、６Ｂ・・・の上部がコイル
バネ１４Ａ、１４Ｂ・・・で覆われて湾曲し、その先端
１５Ａ・・・が未開放孔１８Ａに嵌まって閉鎖してお
り、先端部１５Ａ・・・を切り離すカッタ１７を有し、
制御回路１０がカッタ１７の動作を制御する機能を備え
ていることが好ましい。この機能でサンプリング直前に
サンプリングチューブを切断することにより、採水バッ
クに他の試料水が混入することを防止することができ
る。As shown in FIG.
The upper portions of the sampling tubes 6A, 6B,... Are covered with the coil springs 14A, 14B, and are curved, and the tips 15A,. Has a cutter 17 for separating
It is preferable that the control circuit 10 has a function of controlling the operation of the cutter 17. By cutting the sampling tube immediately before sampling with this function, it is possible to prevent another sample water from being mixed into the water sampling bag.
【００２４】このように水中採水器は、サンプリングの
終了毎に開閉具５を開いている。そのため、密封容器１
の内圧と外部の圧力は、吸引チューブ７を通じて常に均
等に保たれている。As described above, the underwater sampling device opens the switch 5 every time sampling is completed. Therefore, the sealed container 1
The internal pressure and the external pressure are always kept uniform through the suction tube 7.
【００２５】[0025]
【発明の効果】以上、詳細に説明したように本発明の水
中採水器は、密封容器の内圧を外部の圧力と同等に調整
することができるので、水圧に影響されることなくサン
プリングができる。したがって、異なる時間のみなら
ず、水深（水圧）の異なる場所で、複数種類のサンプリ
ングをおこなうことができる。As described above in detail, the underwater sampling device of the present invention can adjust the internal pressure of the sealed container to be equal to the external pressure, so that sampling can be performed without being affected by the water pressure. . Therefore, a plurality of types of sampling can be performed not only at different times but also at different places of water depth (water pressure).
【図１】本発明を適用する水中採水器の実施例のブロッ
ク図である。FIG. 1 is a block diagram of an embodiment of an underwater water dispenser to which the present invention is applied.
【図２】本発明を適用する水中採水器の斜視図である。FIG. 2 is a perspective view of an underwater water dispenser to which the present invention is applied.
【図３】本発明を適用する水中採水器の要部斜視図であ
る。FIG. 3 is a perspective view of a main part of an underwater water dispenser to which the present invention is applied.
【図４】本発明を適用する水中採水器の要部平面図であ
る。FIG. 4 is a plan view of a main part of an underwater water dispenser to which the present invention is applied.
１は密封容器、２は水、３Ａ・３Ｂ・３Ｃ・３Ｄは採水
バック、４Ａ・４Ｂ・４Ｃ・４Ｄはサンプリング開閉
具、５は容器開閉具、６Ａ・６Ｂ・６Ｃ・６Ｄはサンプ
リングチューブ、７は吸引チューブ、８は駆動モータ、
９は水中ポンプ、１０は制御回路、１１は電源電池、１
２・１３は駆動回路、１４Ａ・１４Ｂ・・・はコイルバ
ネ、１５Ａ・・・はチューブ末端、１６は回転部材、１
７はカッタ、１８Ａ・・・は未開放孔、１９は円板、２
０は吸水パイプ、２１、３１はロータ、２２・３２Ａ・
３２Ｂ・３２Ｃ・３２Ｄは凹型カム、２３・３３Ａ・３
３Ｂは外周、２４Ａ・２４Ｂ・２４Ｃ・２４Ｄ・３４は
クランプレバー、２５はフレーム、２６はシャーシ板、
２７は回路収納筒、２８は蓋、３０は円板、３３は防水
モータ、３５はバネ、ａは回転方向である。1 is a sealed container, 2 is water, 3A, 3B, 3C, 3D is a sampling bag, 4A, 4B, 4C, 4D is a sampling opening / closing device, 5 is a container opening / closing device, 6A, 6B, 6C, 6D is a sampling tube, 7 is a suction tube, 8 is a drive motor,
9 is a submersible pump, 10 is a control circuit, 11 is a power supply battery, 1
2 and 13 are drive circuits, 14A and 14B are coil springs, 15A is a tube end, 16 is a rotating member, 1
7 is a cutter, 18A is an unopened hole, 19 is a disc, 2
0 is a water absorbing pipe, 21 and 31 are rotors, 22 and 32A
32B / 32C / 32D are concave cams, 23 / 33A / 3
3B is an outer periphery, 24A / 24B / 24C / 24D / 34 is a clamp lever, 25 is a frame, 26 is a chassis plate,
27 is a circuit housing cylinder, 28 is a lid, 30 is a disk, 33 is a waterproof motor, 35 is a spring, and a is a rotation direction.
Claims (2)
ックが収納され、容器開閉具を介して外部へ通じる密封
容器に、水中ポンプが連結され、各採水バックに繋がる
サンプリングチューブが各々サンプリング開閉具を介し
て外部に通じ、該水中ポンプの作動前に、該容器開閉具
が閉鎖し少なくとも１つの該サンプリング開閉具が開放
し、該水中ポンプの作動停止に合わせて、該容器開閉具
が開放し該サンプリング開閉具が閉鎖することを特徴と
する水中採水器。1. A plurality of water collecting bags made of a flexible film are stored, and a submersible pump is connected to a sealed container communicating to the outside via a container opening / closing tool, and sampling tubes connected to each water collecting bag are respectively opened and closed. Before the operation of the submersible pump, the container opening / closing device is closed and at least one sampling opening / closing device is opened, and the container opening / closing device is opened when the operation of the submersible pump is stopped. The underwater sampling device, wherein the sampling switch is closed.
グ開閉具がロータ上のカムに係合して進退するクランプ
レバーで開閉されることを特徴とする請求項１に記載の
水中採水器。2. The underwater sampling device according to claim 1, wherein the container opening / closing device and the sampling opening / closing device are opened and closed by a clamp lever that engages with a cam on a rotor and moves forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22715698A JP4059572B2 (en) | 1998-08-11 | 1998-08-11 | Underwater sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22715698A JP4059572B2 (en) | 1998-08-11 | 1998-08-11 | Underwater sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000055792A true JP2000055792A (en) | 2000-02-25 |
| JP4059572B2 JP4059572B2 (en) | 2008-03-12 |
Family
ID=16856383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22715698A Expired - Lifetime JP4059572B2 (en) | 1998-08-11 | 1998-08-11 | Underwater sampler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4059572B2 (en) |
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-
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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