JP2003098143A - Method for cleaning electrode and residual chlorine meter - Google Patents
Method for cleaning electrode and residual chlorine meterInfo
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- JP2003098143A JP2003098143A JP2001293274A JP2001293274A JP2003098143A JP 2003098143 A JP2003098143 A JP 2003098143A JP 2001293274 A JP2001293274 A JP 2001293274A JP 2001293274 A JP2001293274 A JP 2001293274A JP 2003098143 A JP2003098143 A JP 2003098143A
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- side wall
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電極洗浄方法及び
残留塩素計に関するものであり、詳しくは水中の残留塩
素を測定する際に使用する電極を洗浄する構造を備えた
電極洗浄方法及び残留塩素計に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrode cleaning method and a residual chlorine meter, and more particularly to an electrode cleaning method having a structure for cleaning an electrode used when measuring residual chlorine in water and residual chlorine. Regarding the total.
【０００２】[0002]
【従来の技術】従来技術における残留塩素計において、
電極を洗浄するようにした残留塩素計は、種々のものが
ある。2. Description of the Related Art In the residual chlorine meter of the prior art,
There are various types of residual chlorine meters designed to clean the electrodes.
【０００３】第１の具体例の電極を洗浄する構造は、図
２に示すように、回転金属棒を用いたポーラログラフ方
式で、ガラスビーズの中で回転させ、連続自動洗浄をし
ながら長期安定した測定を可能にするものであり、検水
を流すための容器を２部屋に分離し、一方の部屋１１ａ
に対極１２を配置し、もう1つの他方の部屋１１ｂに２
個の電極、即ち、作用極１３と、その設置した作用極１
３に対峙した状態で回転電極１４とを配置し、その他方
の部屋１１ｂに設けた作用極１３の底部は傾斜させた構
造にし、そこに回転電極１４の先端部位にあたる位置に
所定量のガラスビーズ１５を敷き詰めた構造になってい
る。As shown in FIG. 2, the structure for cleaning the electrode of the first specific example is a polarographic method using a rotating metal rod, which is rotated in glass beads for stable long-term continuous continuous cleaning. It enables measurement, and separates the container for flowing the test water into two chambers, one chamber 11a
The counter electrode 12 is placed in the other room 11b
Individual electrodes, ie, working electrode 13 and working electrode 1 installed
3, the rotating electrode 14 is arranged in a state of facing the rotating electrode 14, and the bottom of the working electrode 13 provided in the other chamber 11b is inclined, and a predetermined amount of glass beads is placed at the position corresponding to the tip of the rotating electrode 14. It has a structure in which 15 are spread.
【０００４】このような構造の電極において、回転電極
１４は回転しているため、検水１６中のガラスビーズ１
５がこの回転電極１４に接触することにより電極の洗浄
を行う。In the electrode having such a structure, since the rotating electrode 14 is rotating, the glass beads 1 in the sample water 16 are
The electrode 5 is cleaned by the contact of 5 with the rotating electrode 14.
【０００５】第２の具体例の電極を洗浄する構造は、図
３に示すように、電極２１を固定し、小さなガラスビー
ズ２６を水流で動かし、先端の金電極にぶつけるように
した構造の小型化したものである。その構造は、検水１
６を入力する容器２１内に検水１６を入力する細管２２
を容器２１の底部近傍にまで伸びるように配置し、容器
２１底部は円錐形状２３に形成し、この円錐形状２３に
形成した底部に向かう方向に先端が金電極２４の電極２
５を配置する。そして、この円錐形状２３の底部に一定
量のガラスビーズ２６を敷き詰める。又、容器２１の上
方向に検水を排出するオーバーフロー出口２７を設けた
構造にする。As shown in FIG. 3, the structure for cleaning the electrode of the second specific example is a small structure in which the electrode 21 is fixed and the small glass beads 26 are moved by a water stream to hit the tip gold electrode. It has been transformed. The structure is water test 1
Capillary tube 22 for inputting test water 16 into container 21 for inputting 6
Is arranged so as to extend to the vicinity of the bottom of the container 21, the bottom of the container 21 is formed in a conical shape 23, and the tip of the electrode 2 of the gold electrode 24 is formed in the direction toward the bottom formed in the conical shape 23.
Place 5. Then, a certain amount of glass beads 26 is spread over the bottom of the conical shape 23. Further, an overflow outlet 27 for discharging the test water is provided above the container 21.
【０００６】このような構造の電極においては、細管２
２にて供給される検水１６が円錐形状２３の底部の底面
にあたると反転する。この時、ガラスビーズ２６を巻き
込んで電極２５の先端にある金電極２４にあたり汚れを
落とす構造となっている。In the electrode having such a structure, the thin tube 2
When the test water 16 supplied in 2 hits the bottom surface of the bottom of the conical shape 23, it is reversed. At this time, the structure is such that the glass beads 26 are rolled up to hit the gold electrode 24 at the tip of the electrode 25 to remove dirt.
【０００７】第３の具体例の電極を洗浄する構造は、図
４に示すように、検水１６を入力する容器３１の底部に
電極３２を配置し、その臨んだ状態の電極３２に対し
て、横方向から検水を入力する検水入口部３３を備えた
構造にし、その底部に臨んだ電極３２上部にガラスビー
ズ３４を敷き詰めた構造となっている。In the structure for cleaning the electrodes of the third specific example, as shown in FIG. 4, the electrode 32 is arranged at the bottom of the container 31 for inputting the sample water 16, and the electrode 32 in the facing state is arranged. The structure is provided with a test water inlet portion 33 for inputting test water from the lateral direction, and glass beads 34 are spread over the upper portion of the electrode 32 facing the bottom portion thereof.
【０００８】このように、常時ガラスビーズ３４を電極
３２に接触するようにして、底面横方向に設けた検水入
口部３３から検水１６を給水すると、ガラスビーズ３４
が電極３２に接触しながら巻き上がり、検水１６の渦に
混じってガラスビーズ３４が電極３２にぶつかることに
より電極３２の先端部位の洗浄が行われる。As described above, when the test water 16 is supplied from the test water inlet portion 33 provided in the lateral direction of the bottom surface so that the glass beads 34 always contact the electrode 32, the glass beads 34 are supplied.
Is rolled up in contact with the electrode 32, mixed with the vortex of the test water 16 and the glass beads 34 hit the electrode 32, whereby the tip portion of the electrode 32 is cleaned.
【０００９】第４の具体例の電極を洗浄する構造は、図
５に示すように、検水の容器３５の底部３７に検水１６
を入力する検水入口部３６を配置し、その底部３７に設
けた検水入口部３６に対して所定距離上方向の位置に電
極３８を配置し、底部３７の検水入口部３６にメッシュ
３９を配置して、その底部３７に所定量のガラスビーズ
４０を敷き詰めた構造となっている。In the structure for cleaning the electrode of the fourth embodiment, as shown in FIG. 5, the sample water 16 is placed on the bottom 37 of the sample water container 35.
The test water inlet port 36 for inputting is input, the electrode 38 is positioned at a predetermined distance above the water test inlet port 36 provided on the bottom 37, and the mesh 39 is provided on the test water inlet port 36 of the bottom 37. Are arranged, and a predetermined amount of glass beads 40 are spread over the bottom portion 37.
【００１０】このように、ガラスビーズ４０を検水入口
部３６の底部３７から所定距離の上部位置の電極３８に
接触するようにする。即ち、底部３７から検水１６を給
水すると、ガラスビーズ４０が噴水のように吹き上げ、
対局する電極３８にぶつかることにより電極３８の洗浄
が行われる。In this way, the glass beads 40 are brought into contact with the electrode 38 at the upper position at a predetermined distance from the bottom 37 of the test water inlet 36. That is, when the test water 16 is supplied from the bottom portion 37, the glass beads 40 blow up like a fountain,
The electrode 38 is cleaned by hitting the opposing electrode 38.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、従来技
術で説明した種々の電極を洗浄する手法において、検水
の流量が少ないため、微細なガラスビーズ（洗浄ビー
ズ）しか掻き回すことができないという問題がある。However, in the method for cleaning various electrodes described in the prior art, there is a problem that only fine glass beads (cleaning beads) can be stirred because the flow rate of test water is small. .
【００１２】又、流量及び流速が変動するとガラスビー
ズの動きが変わり、洗浄効果が一定せず洗浄力が弱くな
るという問題もある。There is also a problem that the movement of the glass beads changes when the flow rate and the flow rate fluctuate, the cleaning effect is not constant, and the cleaning power becomes weak.
【００１３】更に、電極をガラスビーズの中で回転させ
る回転電極の場合には、検水が河川水のような汚れた水
の中でも洗浄効果が期待できるが、大きなパワーと回転
電極から小さな接触抵抗で信号を取り出す機能が必要に
なり、構成及び構造的に複雑になるという問題もある。Further, in the case of a rotating electrode in which the electrode is rotated in glass beads, a cleaning effect can be expected even in dirty water such as river water, but a large power and a small contact resistance from the rotating electrode can be expected. There is also a problem in that the structure and the structure are complicated because a function of extracting a signal is required.
【００１４】従って、ガラスビーズを使用した電極の洗
浄構造において、検水の流動や流速の影響を受けにくい
構造にして洗浄効果を醸し出す構造、構成に解決しなけ
ればならない課題を有する。Therefore, there is a problem in that the structure for cleaning the electrode using the glass beads has to be solved so that the structure is less likely to be affected by the flow rate and flow rate of the test water and the cleaning effect is produced.
【００１５】[0015]
【課題を解決するための手段】上記課題を解決するため
に、本発明に係る電極洗浄方法及び残留塩素計は、次に
示す構成にすることである。In order to solve the above-mentioned problems, the electrode cleaning method and the residual chlorine meter according to the present invention have the following constitution.
【００１６】（１） 電極を備えると共に検水を収容す
る有底筒体において、その底部側側壁面と前記電極との
形状を上下方向に凹凸の関係にし且つ所定間隔の隙間を
維持して沿面距離を稼ぐようにし、前記隙間の下部横方
向から上部横方向に検水と共に洗浄ビーズを流して前記
電極を洗浄するようにしたことを特徴とする電極洗浄方
法。
（２） 前記有底筒体の側壁面の形状と前記電極の形状
は、同一形状の半円形状と円形状に形成したことを特徴
とする（１）に記載の電極洗浄方法。(1) In a bottomed cylinder having electrodes and accommodating water to be detected, the bottom side wall surface and the electrodes are formed in a concave-convex shape in the vertical direction, and a creeping surface is maintained while maintaining a predetermined gap. An electrode cleaning method, characterized in that a cleaning bead is made to flow along with a test water from a lower lateral direction of the gap to an upper lateral direction of the gap so as to clean the electrode. (2) The electrode cleaning method according to (1), wherein the shape of the side wall surface of the bottomed cylindrical body and the shape of the electrode are formed in the same semi-circular shape and circular shape.
【００１７】（３） 検水が収容される有底筒体と、該
有底筒体内部に設置した電極と、検水の流れに従って流
れる洗浄ビーズにより前記電極を洗浄する電極洗浄手段
とを備えた残留塩素計であって、前記有底筒体の底部側
の側壁面を上下方向に凹曲面形状に形成した電極設置部
と、該凹曲面形状の側壁面の所定位置に設けた第１の電
極と、前記凹曲面形状の側壁面と所定間隔の隙間を形成
し且つ所定の沿面距離を稼ぐようにして配置した凸曲面
形状の第２の電極と、前記凹曲面形状の側壁面と前記第
２の電極との下部側の隙間から上部側の隙間に向かって
検水が流れるように検水排出口を配置した検水導入管
と、前記凹曲面形状の側壁面と前記第２の電極との隙間
を通過できる大きさに形成し、且つ検水よりも比重が重
い部材で形成した複数個の洗浄ビーズと、前記第２の電
極と前記検水排出口との間であって底部に前記洗浄ビー
ズが貯留できるスペースと、を備えたことを特徴とする
残留塩素計。
（４） 前記凹面形状の側壁面は半円形状であり、前記
第２の電極は該半円形状の側壁面と同一形状を有する円
形状に形成したことを特徴とする（３）に記載の残留塩
素計。(3) A bottomed cylinder for accommodating test water, an electrode installed inside the bottomed cylinder, and an electrode cleaning means for cleaning the electrode with cleaning beads flowing according to the flow of the test water. In the residual chlorine meter, an electrode installation portion in which a bottom side wall surface of the bottomed tubular body is formed in a vertical curved shape, and a first side provided in a predetermined position of the concave side wall surface. An electrode, a second electrode having a convex curved surface shape which is arranged so as to form a gap at a predetermined interval from the side wall surface having the concave curved surface shape and a predetermined creeping distance, and the side wall surface having the concave curved surface shape and the first electrode. No. 2 electrode, a test water introduction pipe in which a test water discharge port is arranged so that the test water flows from the lower side gap to the upper side gap, the concave curved side wall surface, and the second electrode The size is such that it can pass through the gap of the A residual chlorine meter comprising: individual cleaning beads; and a space between the second electrode and the test water discharge port, the space being capable of storing the cleaning beads at the bottom. (4) The concave side wall surface is semicircular, and the second electrode is formed in a circular shape having the same shape as the semicircular side wall surface. Residual chlorine meter.
【００１８】このように、電極の形状と側壁面の形状を
同じ形状にして、所定の間隔の隙間を維持し且つ沿面距
離を稼ぐ構造にし、その隙間に下部方向から検水と共に
洗浄ビーズを流し込んで電極を洗浄させるようにしたこ
とにより、電極を洗浄するための洗浄ビーズが当接する
距離を多くすることができるため、比較的簡単な構造で
あっても効率のよい洗浄を行うことが可能である。As described above, the shape of the electrode and the shape of the side wall surface are made to be the same shape so as to maintain the gap at a predetermined interval and increase the creepage distance, and wash beads are poured into the gap from the lower side together with the test water. By cleaning the electrode with, it is possible to increase the contact distance of the cleaning beads for cleaning the electrode, so that even with a relatively simple structure, efficient cleaning can be performed. is there.
【００１９】[0019]
【発明の実施の形態】次に、本発明に係る電極洗浄方法
及び残留塩素計の実施形態について、図面を参照して説
明する。BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of an electrode cleaning method and a residual chlorine meter according to the present invention will be described with reference to the drawings.
【００２０】本願発明の残留塩素計は、その残留塩素の
測定手法としての一般的なポーラログラフ法による構造
となっており、それは作用極と比較極に印加電圧を加
え、作用極と対極間に流れる電流が残留塩素の濃度に比
例することで測定するものである。The residual chlorine meter of the present invention has a structure based on a general polarographic method as a method for measuring the residual chlorine, which applies an applied voltage to the working electrode and the comparison electrode and flows between the working electrode and the counter electrode. It is measured by the fact that the current is proportional to the concentration of residual chlorine.
【００２１】このポーラログラフ法による電流ｉは、次
の式（１）で求めることができる。The current i according to the polarographic method can be obtained by the following equation (1).
【００２２】 ｉ＝ｎＦＤＡ×（Ｃ／δ）・・・・・・…式（１） ｎ：反応物質の価数 Ｆ：ファラデー定数 Ｄ：反応物質の拡散係数 Ａ：作用電極の面積 Ｃ：反応物質の濃度 δ：拡散層の厚さ[0022] i = nFDA × (C / δ) ... Equation (1) n: valence of reactant F: Faraday constant D: Diffusion coefficient of reactant A: Area of working electrode C: Concentration of reactant δ: Thickness of diffusion layer
【００２３】この式（１）からわかるように、流れる電
流ｉは作用極の面積にも比例するので汚れなどによる影
響を受ける。このため、作用極の電極面が汚れないよう
に常に清掃にし、汚れないように保つ必要がある。その
ため、本発明においては、この作用極の露出している面
にガラスビーズ（洗浄ビーズ）を長い間当接する構造に
し、しかも拡散層の厚さを一定に保持した状態にして、
ガラスビーズによる洗浄も行える構造にした点に特徴を
有する。As can be seen from this equation (1), the flowing current i is proportional to the area of the working electrode, and is therefore affected by dirt and the like. Therefore, it is necessary to clean the electrode surface of the working electrode so that it does not get dirty and keep it clean. Therefore, in the present invention, the structure in which the glass beads (cleaning beads) are brought into contact with the exposed surface of the working electrode for a long time, and the thickness of the diffusion layer is kept constant,
It has a feature in that it can be washed with glass beads.
【００２４】本発明の電極洗浄方法を具現化することが
できる残留塩素計は、図１に示すように、検水が収容さ
れる有底筒体５１と、この有底筒体５１の底部側の側壁
面５２を上下方向に凹曲面形状に形成した電極設置部５
３と、この凹曲面形状の側壁面５２の所定位置に設けた
第１の電極である作用極５４と、凹曲面形状の側壁面５
２と所定間隔の隙間を形成し且つ所定の沿面距離を稼ぐ
ようにして配置した凸曲面形状の第２の電極である対極
５６と、この凹曲面形状の側壁面５２と対極５６との下
部側の隙間５５から上部側の隙間５５に向かって検水が
流れるように検水排出口５７を配置した検水導入管５８
と、この凹曲面形状の側壁面５２と対極５６との隙間５
５を通過できる大きさに形成し、且つ検水よりも比重が
重い部材で形成した複数個の洗浄ビーズ５９と、対極５
６と検水排出口５７との間であって底部に洗浄ビーズ５
９が貯留できるスペース６０と、比較極６１と、検水を
排出するオーバーフロー出口６２と、測定部６３とから
なる。As shown in FIG. 1, a residual chlorine meter capable of embodying the electrode cleaning method of the present invention has a bottomed cylindrical body 51 for accommodating test water and a bottom side of the bottomed cylindrical body 51. Electrode installation part 5 in which the side wall surface 52 of the
3, the working electrode 54 which is the first electrode provided at a predetermined position on the concave curved side wall surface 52, and the concave curved side wall surface 5.
2 and a counter electrode 56, which is a second electrode having a convex curved surface shape and is arranged so as to form a gap at a predetermined distance and to obtain a predetermined creeping distance, and a lower side of the side wall surface 52 having the concave curved surface shape and the counter electrode 56. Test water introduction pipe 58 in which the test water discharge port 57 is arranged so that the test water flows from the gap 55 to the gap 55 on the upper side.
And the gap 5 between the concave side wall surface 52 and the counter electrode 56.
5, a plurality of washing beads 59 formed of a member having a specific gravity larger than that of the sample water and a counter electrode 5
6 and the test water discharge port 57 and the cleaning beads 5 on the bottom.
It comprises a space 60 in which 9 can be stored, a comparison electrode 61, an overflow outlet 62 for discharging the sample water, and a measuring section 63.
【００２５】凹面形状の側壁面５２は半円形状であり、
対極５６は半円形状の側壁面５２と同一形状を有する円
形状に形成した構造になっている。The concave side wall surface 52 has a semicircular shape,
The counter electrode 56 has a circular shape having the same shape as the semicircular side wall surface 52.
【００２６】このような構造からなる残留塩素計におい
て、検水導入管５８に検水を流し込むと検水排出口５７
から検水が流れ、底部のスペース６０に貯留している洗
浄ビーズ５９を巻き込んで下部横方向の隙間５５に流れ
こみ、対極５６の表面及び作用極５４に当りながら、上
部隙間５５方向に流れ、上部の隙間５５から飛び出した
洗浄ビーズ５９は、自重によりスペース６０の部分に降
りる。そして、検水が流れていれば再度下部横方向の隙
間５５に入りこみ、上部隙間５５から出るという旋回運
動する。In the residual chlorine meter having such a structure, when the test water is poured into the test water introduction pipe 58, the test water discharge port 57 is provided.
The test water flows from it, and the cleaning beads 59 stored in the space 60 at the bottom are taken in and flow into the lower lateral gap 55, and while hitting the surface of the counter electrode 56 and the working electrode 54, flow toward the upper gap 55, The cleaning beads 59 jumping out of the gap 55 at the upper part descend to the space 60 due to its own weight. Then, if the test water is flowing, it re-enters the lower lateral gap 55 and exits from the upper gap 55, thereby performing a turning motion.
【００２７】従って、対極５６の作用極５４側の面が隙
間５５を通過する洗浄ビーズ５９により洗浄される。そ
れも、洗浄ビーズ５９が通過する隙間５５の大きさを限
定すると共に、対極５６への沿面距離を長くする構造、
即ち、円形状の隙間５５にしたことにより電極面に接触
する距離が多きくなるため、効率良く洗浄することがで
きるのである。Therefore, the surface of the counter electrode 56 on the side of the working electrode 54 is cleaned by the cleaning beads 59 passing through the gap 55. It also limits the size of the gap 55 through which the cleaning beads 59 pass, and lengthens the creepage distance to the counter electrode 56.
That is, the circular gap 55 increases the distance of contact with the electrode surface, so that the cleaning can be efficiently performed.
【００２８】[0028]
【発明の効果】以上説明したように、本発明に係る電極
洗浄方法及び残留塩素計は、電極と検水を収容する有底
筒体の側壁面とを上下方向に凹凸の関係、具体的には中
心位置を同じくした円形状と半円形状に形成して、その
隙間に検水と共に洗浄ビーズを流し込んで電極を洗浄す
るようにしたことにより、洗浄する面積が広くとれると
共に洗浄する時間が多くとれ、検水の流速を強くするこ
となく電極の洗浄効率を向上させることができるという
効果がある。As described above, in the electrode cleaning method and residual chlorine meter according to the present invention, the relationship between the electrode and the side wall surface of the bottomed cylindrical body containing the sample water is uneven in the vertical direction. Is formed in a circular shape and a semicircular shape with the same center position, and the washing beads are poured into the gap between them to wash the electrodes, so that the cleaning area can be wide and the cleaning time is long. Therefore, there is an effect that the cleaning efficiency of the electrode can be improved without increasing the flow rate of the test water.
【図１】本発明に係る残留塩素計の電極構造を示した断
面図である。FIG. 1 is a sectional view showing an electrode structure of a residual chlorine meter according to the present invention.
【図２】従来技術における第１の具体例の残留塩素計の
電極の構造の断面図である。FIG. 2 is a cross-sectional view of a structure of an electrode of a residual chlorine meter according to a first example of the related art.
【図３】従来技術における第２の具体例の残留塩素計の
電極の構造の断面図である。FIG. 3 is a sectional view of a structure of an electrode of a residual chlorine meter according to a second specific example of the prior art.
【図４】従来技術における第３の具体例の残留塩素計の
電極の構造の断面図である。FIG. 4 is a cross-sectional view of a structure of an electrode of a residual chlorine meter according to a third example of the prior art.
【図５】従来技術における第４の具体例の残留塩素計の
電極の構造の断面図である。FIG. 5 is a cross-sectional view of a structure of an electrode of a residual chlorine meter according to a fourth example of the related art.
５１ 有底筒体 ５２ 側壁面 ５３ 電極設置部 ５４ 作用極（第１の電極） ５５ 隙間 ５６ 対極（第２の電極） ５７ 検水排出口 ５８ 検水導入管 ５９ 洗浄ビーズ ６０ スペース ６１ 比較極 ６２ オーバーフロー出口 ６３ 測定部 51 Bottomed cylinder 52 Side wall surface 53 Electrode installation part 54 Working electrode (first electrode) 55 Gap 56 counter electrode (second electrode) 57 Water outlet 58 Inspection pipe 59 Washing beads 60 space 61 comparison pole 62 overflow outlet 63 Measuring section
Claims (4)
筒体において、その底部側側壁面と前記電極との形状を
上下方向に凹凸の関係にし且つ所定間隔の隙間を維持し
て沿面距離を稼ぐようにし、前記隙間の下部横方向から
上部横方向に検水と共に洗浄ビーズを流して前記電極を
洗浄するようにしたことを特徴とする電極洗浄方法。1. A bottomed cylindrical body having an electrode and accommodating a sampled water, wherein the bottom side wall surface and the electrode are formed in a concave-convex shape in the vertical direction, and a creeping distance is maintained while maintaining a predetermined gap. And cleaning beads are flowed together with test water from the lower lateral direction to the upper lateral direction of the gap to clean the electrode.
の形状は、同一形状の半円形状と円形状に形成したこと
を特徴とする請求項１に記載の電極洗浄方法。2. The electrode cleaning method according to claim 1, wherein the shape of the side wall surface of the bottomed cylindrical body and the shape of the electrode are formed in the same semi-circular shape and circular shape.
体内部に設置した電極と、検水の流れに従って流れる洗
浄ビーズにより前記電極を洗浄する電極洗浄手段とを備
えた残留塩素計であって、前記有底筒体の底部側の側壁
面を上下方向に凹曲面形状に形成した電極設置部と、該
凹曲面形状の側壁面の所定位置に設けた第１の電極と、 前記凹曲面形状の側壁面と所定間隔の隙間を形成し且つ
所定の沿面距離を稼ぐようにして配置した凸曲面形状の
第２の電極と、 前記凹曲面形状の側壁面と前記第２の電極との下部側の
隙間から上部側の隙間に向かって検水が流れるように検
水排出口を配置した検水導入管と、 前記凹曲面形状の側壁面と前記第２の電極との隙間を通
過できる大きさに形成し、且つ検水よりも比重が重い部
材で形成した複数個の洗浄ビーズと、前記第２の電極と
前記検水排出口との間であって底部に前記洗浄ビーズが
貯留できるスペースと、を備えたことを特徴とする残留
塩素計。3. A bottomed cylindrical body accommodating the test water, an electrode installed inside the bottomed cylindrical body, and an electrode cleaning means for cleaning the electrode with cleaning beads flowing in accordance with the flow of the test water. A residual chlorine meter, comprising: an electrode installation portion in which a side wall surface on the bottom side of the bottomed cylindrical body is formed in a vertical curved shape, and a first electrode provided at a predetermined position on the side wall surface of the concave curved surface. A second electrode having a convex curved surface shape, which is arranged so as to form a gap at a predetermined distance from the side wall surface having the concave curved surface shape and to obtain a predetermined creepage distance, and the side wall surface having the concave curved surface shape and the second electrode. Of the sample water introducing pipe in which the sample water discharge port is arranged so that the sample water flows from the gap on the lower side to the gap on the upper side with the electrode, and the side wall surface of the concave curved surface shape and the second electrode It is made of a material that is large enough to pass through the gap and has a higher specific gravity than the sample water. A residual chlorine meter, comprising: cleaning beads, and a space between the second electrode and the test water discharge port, the space being able to store the cleaning beads at the bottom.
り、前記第２の電極は該半円形状の側壁面と同一形状を
有する円形状に形成したことを特徴とする請求項３に記
載の残留塩素計。4. The concave side wall surface is semicircular, and the second electrode is formed into a circular shape having the same shape as the semicircular side wall surface. Residual chlorine meter described.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013523441A (en) * | 2010-04-09 | 2013-06-17 | クレワー・オサケユキテュア | Arrangement and method for mechanical cleaning of transparent surfaces of optical instruments |
| WO2023149448A1 (en) * | 2022-02-01 | 2023-08-10 | 株式会社堀場アドバンスドテクノ | Measurement instrument, measurement device, measurement system, and measurement method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1082761A (en) * | 1996-09-05 | 1998-03-31 | Merusu Giken:Kk | Method and apparatus for measuring residual chlorine, and probe for detecting residual chlorine |
| JP2003075391A (en) * | 2001-08-31 | 2003-03-12 | Yokogawa Electric Corp | Water quality meter |
-
2001
- 2001-09-26 JP JP2001293274A patent/JP4352367B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1082761A (en) * | 1996-09-05 | 1998-03-31 | Merusu Giken:Kk | Method and apparatus for measuring residual chlorine, and probe for detecting residual chlorine |
| JP2003075391A (en) * | 2001-08-31 | 2003-03-12 | Yokogawa Electric Corp | Water quality meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013523441A (en) * | 2010-04-09 | 2013-06-17 | クレワー・オサケユキテュア | Arrangement and method for mechanical cleaning of transparent surfaces of optical instruments |
| US9205464B2 (en) | 2010-04-09 | 2015-12-08 | Oy, Clewer | Arrangement and method for mechanical cleaning of a transparent surface of an optical instrument |
| WO2023149448A1 (en) * | 2022-02-01 | 2023-08-10 | 株式会社堀場アドバンスドテクノ | Measurement instrument, measurement device, measurement system, and measurement method |
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