JP2000266763A - Automatic analyzer - Google Patents
Automatic analyzerInfo
- Publication number
- JP2000266763A JP2000266763A JP7313899A JP7313899A JP2000266763A JP 2000266763 A JP2000266763 A JP 2000266763A JP 7313899 A JP7313899 A JP 7313899A JP 7313899 A JP7313899 A JP 7313899A JP 2000266763 A JP2000266763 A JP 2000266763A
- Authority
- JP
- Japan
- Prior art keywords
- water
- pure water
- automatic analyzer
- tank
- pump
- 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.)
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- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、血液や尿等の検体
特性を分析する自動分析装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic analyzer for analyzing sample characteristics such as blood and urine.
【０００２】[0002]
【従来の技術】自動分析装置は、分析を主たる目的とし
ているため分析に直接係る機構で全体を構成され、適用
される純水は自動分析装置とは別の機械でという従来か
らの通念であった。そのため一般に使用者は自動分析装
置と純水製造装置の機械２点を購入し、これらの間を配
管や給水指令信号線で接続して分析できるシステムを構
築し、運用していた（図１）。2. Description of the Related Art An automatic analyzer is mainly composed of a mechanism directly related to analysis because of its main purpose of analysis, and the conventional wisdom is that pure water to be applied is a separate machine from the automatic analyzer. Was. Therefore, in general, the user purchased two machines, an automatic analyzer and a pure water generator, and constructed and operated a system that can connect and analyze them with piping or a water supply command signal line (Fig. 1). .
【０００３】また自動分析装置内で使用されている水質
に言及すれば、装置内に取り込んでいるのは純水のみ
で、自動分析装置内の使用水をすべて賄っていた。[0003] Further, referring to the water quality used in the automatic analyzer, only pure water is taken in the apparatus, and all the water used in the automatic analyzer is covered.
【０００４】[0004]
【発明が解決しようとする課題】上記従来技術では自動
分析装置と純水製造装置を個々に製造したが故のハード
ウェア的無駄を発生させ、その金銭負担は全て購入使用
者にかかってしまっていた。In the above-mentioned prior art, hardware wasted because the automatic analyzer and the pure water producing device were individually manufactured, and all the financial burden was on the purchaser. Was.
【０００５】例えば、上記純水製造装置は自動分析装置
に適用する以外の目的で製造販売されているので、種々
のメータ・スイッチ・電光表示のパネルがついている。For example, since the above-mentioned pure water producing apparatus is manufactured and sold for purposes other than application to an automatic analyzer, it has various types of meters, switches, and light-emitting display panels.
【０００６】しかし自動分析装置を使用している者にと
っては純水が正常に自動分析装置本体に送られてさえい
れば目を向けることもなく、結果的顧客は活用頻度の少
ない部位にも金を払っていることになっていた。[0006] However, the person using the automatic analyzer does not look as long as the pure water is normally sent to the main body of the automatic analyzer. Was to be paid.
【０００７】またランニングコスト的無駄もある。純水
を製造する過程においては、原水の一部を純水化し自動
分析装置に取り入れるが、純水を採った後の残りの水、
すなわち溶存している不純物濃度が原水に比べて高くな
った濃縮水は、そのまま排水として排水溝に捨てられて
いた。環境保全意識が高まってきた昨今、使用者に無駄
を感じさせその負担を負わせることは製品としてマイナ
スである。[0007] There is also waste in running costs. In the process of producing pure water, part of the raw water is purified and taken into the automatic analyzer.
That is, the concentrated water in which the concentration of the dissolved impurities has become higher than that of the raw water has been discarded as it is in the drain. In recent years, as environmental consciousness has been increasing, it is a minus for products to make users feel useless and burden them.
【０００８】従って本発明の目的は、純水製造装置と自
動分析装置の組み合わせにおいて構造的な無駄を省き、
製造コスト，ランニングコスト低減を実現し、水資源を
有効に活用できる自動分析装置およびそのシステムを提
供することである。Accordingly, an object of the present invention is to eliminate structural waste in a combination of a pure water production apparatus and an automatic analyzer,
It is an object of the present invention to provide an automatic analyzer and a system therefor which can reduce production costs and running costs and can effectively utilize water resources.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
本発明によれば、自動分析装置の機能の一部として純水
製造機能を組み入れ、ハウジングを共用し、純水を装置
内部で自給生産できる自動分析装置とした点にある。According to the present invention, a pure water producing function is incorporated as a part of the function of an automatic analyzer, a housing is shared, and pure water is self-sufficiently produced inside the apparatus. The point is that the automatic analyzer can be used.
【００１０】[0010]
【発明の実施の形態】以下本発明の実施例を図面を用い
て説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は従来技術として広く適用されている
自動分析装置と純水製造装置との構築システムである。FIG. 1 shows a construction system of an automatic analyzer and a pure water producing apparatus widely applied as a conventional technique.
【００１２】１は自動分析装置、２は純水製造装置、３
は水道蛇口、４は排水溝、５，７，８は送水管、６は信
号線、１１は自動分析装置の分析部、１２は自動分析装
置の操作パネル、１３は電子制御部、１４はタンク、１
５は送水ポンプ、１６はフィルタ、１７は電磁弁、２１
は純水精製部、２２は送水ポンプ、２３は純水製造装置
の操作パネルである。1 is an automatic analyzer, 2 is a pure water producing device, 3
Is a water faucet, 4 is a drainage ditch, 5, 7 and 8 are water pipes, 6 is a signal line, 11 is an analyzer of the automatic analyzer, 12 is an operation panel of the automatic analyzer, 13 is an electronic control unit, and 14 is a tank. , 1
5 is a water pump, 16 is a filter, 17 is a solenoid valve, 21
Denotes a pure water purifying unit, 22 denotes a water pump, and 23 denotes an operation panel of the pure water producing apparatus.
【００１３】自動分析装置の分析部１１で精度良い分析
を実施するために純水を導入する。純水製造装置２は、
送水管７を介し、水道蛇口３につながれ上水道水をひき
こみ純水精製部２１でごみ，雑菌，電解質イオンを除き
純水を精製する。Pure water is introduced in order to perform an accurate analysis in the analyzer 11 of the automatic analyzer. The pure water production device 2
It is connected to the tap faucet 3 via the water supply pipe 7 to draw in tap water, and the purified water purification unit 21 purifies pure water except for garbage, germs and electrolyte ions.
【００１４】そして純水は送水ポンプ２２で揚水され送
水管５を経て自動分析装置１へと導かれる。純水を精製
するための技術としては、近年逆浸透膜とイオン交換樹
脂を組み合わせ使用した方法が主流であり、純水精製部
２１にはこれらが組み込まれている。The pure water is pumped by a water pump 22 and guided to the automatic analyzer 1 through a water pipe 5. In recent years, as a technique for purifying pure water, a method using a combination of a reverse osmosis membrane and an ion exchange resin has been mainly used, and these are incorporated in the pure water purifying section 21.
【００１５】逆浸透膜に取り込まれる上水道水、この場
合純水の原料となっているので原水と呼ぶが、この原水
に高圧をかけ、逆浸透膜で微粒子，雑菌，第一次脱塩ろ
過する。逆浸透膜を透過した水は更にイオン交換樹脂充
填器を通過し、Ｃａ，Ｍｇなどのイオンが除去され、最
終的に電気伝導度１μＳ／cm以下レベルの純水を得るこ
とができる。一方、逆浸透膜を透過しなかった水は雑
菌，塩などが濃縮された状態となり、不必要水として図
１の送水管８を流れ排水溝４に下水として流される。Tap water taken into the reverse osmosis membrane, which is called raw water because it is a raw material of pure water in this case, is subjected to high pressure, and fine particles, various germs, and primary desalination filtration are performed by the reverse osmosis membrane. . The water that has passed through the reverse osmosis membrane further passes through an ion-exchange resin filler to remove ions such as Ca and Mg, so that pure water having an electric conductivity of 1 μS / cm or less can be finally obtained. On the other hand, water that has not passed through the reverse osmosis membrane is in a state in which various bacteria, salts, and the like are concentrated, flows through the water supply pipe 8 in FIG. 1 as unnecessary water, and flows into the drain 4 as sewage.
【００１６】原水量に対する採水量比率は精製装置の仕
様によっても異なるが３分の１程度であり、３分の２は
前述のごとく下水として捨てられている。自動分析装置
１と純水製造装置２との間には信号線６が接続されてお
り、自動分析装置１から送水要求指令の信号を純水製造
装置２に送ったり、片や純水製造装置２で発生した警報
の信号を自動分析装置１側に送ったりして電子制御部１
３で情報の処理が行われている。純水製造装置２の操作
パネル２３は、純水製造装置２内の運転状況，警報，水
質を示す導電率値等を表示する。The ratio of the amount of water taken to the amount of raw water varies depending on the specifications of the refining apparatus, but is about one-third, and two-thirds are discarded as sewage as described above. A signal line 6 is connected between the automatic analyzer 1 and the pure water producing apparatus 2, and sends a signal of a water supply request command from the automatic analyzer 1 to the pure water producing apparatus 2. The electronic control unit 1 sends the alarm signal generated in step 2 to the automatic analyzer 1 side.
In step 3, information processing is performed. The operation panel 23 of the pure water production device 2 displays an operation status, an alarm, a conductivity value indicating water quality, and the like in the pure water production device 2.
【００１７】自動分析装置１では、分析部１１へ純水を
送るために送水ポンプ１５が設けられタンク１４と接
続、タンク１４への給水側には電磁弁１７とフィルタ１
６がある。フィルタ１６は自動分析装置外部からの塵埃
微粒子侵入を防止するものであり、電磁弁１７の開閉制
御および純水製造装置２内の送水ポンプ２２動作のＯＮ
−ＯＦＦでタンク１４の水位を一定範囲で維持制御す
る。In the automatic analyzer 1, a water supply pump 15 is provided for sending pure water to the analyzer 11, and is connected to the tank 14. The electromagnetic valve 17 and the filter 1 are provided on the water supply side to the tank 14.
There are six. The filter 16 prevents dust particles from entering from outside the automatic analyzer, controls the opening and closing of the electromagnetic valve 17 and turns on the operation of the water supply pump 22 in the pure water producing apparatus 2.
With -OFF, the water level of the tank 14 is controlled to be maintained within a certain range.
【００１８】ちなみにタンク１４の存在は水消費速さ変
化に対応するための緩衝機能を有している。自動分析装
置の操作パネル１２は操作に関する入出力をつかさど
り、タンク１４の水質異常警報なども表示することもで
きる。Incidentally, the presence of the tank 14 has a buffer function to cope with a change in water consumption speed. The operation panel 12 of the automatic analyzer controls input and output relating to the operation, and can also display an alarm on water quality abnormality of the tank 14 and the like.
【００１９】以上従来のシステムについて説明してきた
が、自動分析装置１と純水製造装置２とが個別製品であ
るゆえに欠かざる得ないとなったパーツがある。Although the conventional system has been described above, there are some parts that are indispensable because the automatic analyzer 1 and the pure water producing apparatus 2 are individual products.
【００２０】たとえば、送水ポンプ２２は単に二機械間
をつないだための送水機能であったり、フィルタ１６は
使用者の持ち込んだ悪質水がそのまま自動分析装置１に
取り込まれないための万一に備えた部品であったりであ
る。また個々にある操作パネルも重複機能といえる。For example, the water supply pump 22 has a water supply function for simply connecting the two machines, and the filter 16 is provided in case the bad water brought by the user is not taken into the automatic analyzer 1 as it is. Parts. The individual operation panels can also be said to be redundant functions.
【００２１】そこで自動分析装置１が自ら純水を製造
し、精製過程で生じた排水も利用することに着眼し、本
発明を考案する。Therefore, the present invention is devised by focusing on the fact that the automatic analyzer 1 produces pure water by itself and also uses the wastewater generated in the purification process.
【００２２】図２及び図３は本発明の一実施例による自
動分析装置の構成と配管の説明図である。FIG. 2 and FIG. 3 are explanatory views of the configuration and piping of an automatic analyzer according to one embodiment of the present invention.
【００２３】図２，図３は同一の自動分析装置で機能と
してのまとまりを２つに大別、図２は純水製造に関与す
る範囲を、図３は分析部１１を詳細に図示した。FIGS. 2 and 3 show the same automatic analyzer, which is roughly classified into two groups as functions. FIG. 2 shows a range related to pure water production, and FIG. 3 shows the analyzer 11 in detail.
【００２４】図２において、００はハウジング、１１は
分析部、１２は操作パネルである。２１０，２１５は電
磁弁、２１１はフィルタ、２１２は高圧ポンプ、２１３
は逆浸透膜モジュール、２１４はイオン交換樹脂充填
器、２１６は絞り弁、１４０，１４１はタンク、１４２
はフロートスイッチ、１５１，１５２は送水ポンプ、１
５３はオリフィス、１８０はエアポンプ、１８１はエア
フィルタ、１８２はエア減圧タンク、５０，５１，１８
３は配管を指す。In FIG. 2, 00 is a housing, 11 is an analysis unit, and 12 is an operation panel. 210 and 215 are solenoid valves, 211 is a filter, 212 is a high-pressure pump, 213
Is a reverse osmosis membrane module, 214 is an ion exchange resin filler, 216 is a throttle valve, 140 and 141 are tanks, 142
Is a float switch, 151 and 152 are water pumps, 1
53 is an orifice, 180 is an air pump, 181 is an air filter, 182 is an air decompression tank, 50, 51, and 18
3 indicates a pipe.
【００２５】他に各配管を図示しているが符号は設け
ず、矢印で水や空気の流れ方向を示す。Other pipes are illustrated, but reference numerals are not provided, and arrows indicate the flow directions of water and air.
【００２６】分析部１１の詳細構造は図３にて説明す
る。The detailed structure of the analyzer 11 will be described with reference to FIG.
【００２７】９９は反応容器、１１０は反応テーブル、
１１１は測定器、１１２は検体テーブル、１１３は試薬
テーブル、１１４は検体ノズル、１１５は試薬ノズル、
116は攪拌棒、１１７は容器洗浄機構、１１８，１１９
は検体，試薬分注器、１２０は恒温水槽、１２１は循環
ポンプ、１２２は温度制御器、１２３,１２４,１２５は
それぞれ検体ノズル，試薬ノズル，攪拌棒の各洗浄槽、
ａ，ｂ〜ｋ，ｌは電磁弁、１２７は減圧弁、１２８は廃
液トラップ瓶である。99 is a reaction vessel, 110 is a reaction table,
111 is a measuring instrument, 112 is a sample table, 113 is a reagent table, 114 is a sample nozzle, 115 is a reagent nozzle,
116 is a stirring rod, 117 is a container washing mechanism, 118 and 119
Is a sample and reagent dispenser, 120 is a constant temperature water bath, 121 is a circulating pump, 122 is a temperature controller, 123, 124, and 125 are cleaning tanks for a sample nozzle, a reagent nozzle, and a stirring rod, respectively.
a, b to k, l are solenoid valves, 127 is a pressure reducing valve, and 128 is a waste liquid trap bottle.
【００２８】自動分析装置の基本動作は以下の通りであ
る。The basic operation of the automatic analyzer is as follows.
【００２９】図３において検体テーブル１１２に架設さ
れた血液や尿などの検体は検体ノズル１１４でもって反
応容器９９に吐出され、ひきつづき試薬テーブル１１３
上の特定試薬が試薬ノズル１１５で検体の入った反応容
器に吐出される。In FIG. 3, a sample such as blood or urine provided on a sample table 112 is discharged to a reaction container 99 by a sample nozzle 114, and the reagent table 113 is continued.
The above specific reagent is discharged from the reagent nozzle 115 to the reaction container containing the sample.
【００３０】その後攪拌棒１１６でよく混合され混合液
の色の変化を測定器１１１で測定、結果をプリンタや前
出の操作パネル１２や他のコンピュータ等で表示する。Thereafter, a change in the color of the mixed liquid that has been well mixed with the stirring rod 116 is measured by the measuring instrument 111, and the result is displayed on a printer, the above-mentioned operation panel 12, or another computer.
【００３１】測定終了液は容器洗浄機構１１７で反応容
器から吸い上げられ、洗浄されて再び次検体測定へと利
用される。また容器洗浄機構１１７では混合液の光学的
変化差を求めるための基準液（ブランク水）として純水
を反応容器９９に吐く。The measurement termination liquid is sucked up from the reaction container by the container washing mechanism 117, washed, and reused for the next sample measurement. Further, the container cleaning mechanism 117 discharges pure water into the reaction container 99 as a reference liquid (blank water) for obtaining an optical change difference of the mixed liquid.
【００３２】複数の反応容器９９は反応テーブル１１０
に円周懸架され、シーケンス動作１サイクルごと反応テ
ーブル１１０が１セルピッチずつ位置をずれていき、反
応容器配列数に等しいサイクル数で一周を経て各所定位
置の全分析作業を完了させる。A plurality of reaction vessels 99 are equipped with a reaction table 110.
The reaction table 110 shifts its position by one cell pitch every cycle of the sequence operation, and completes all the analysis work at each predetermined position through one round with the number of cycles equal to the number of reaction vessel arrangements.
【００３３】反応容器９９は恒温水槽１２０内の水に浸
り、混合液の昇温，恒温を行い分析のための反応を促進
させる。この水は温度制御器１２２で一定温度に保たれ
循環ポンプ１２１で循環している。操作パネル１２によ
り分析開始の操作が行われると分析部１１では各機構の
動作に従い水を消費し始める。その水の精製については
図２を用いて以下説明する。The reaction vessel 99 is immersed in water in a thermostatic water bath 120 to raise the temperature of the liquid mixture and maintain the temperature to promote the reaction for analysis. This water is kept at a constant temperature by a temperature controller 122 and circulated by a circulation pump 121. When the operation of starting the analysis is performed by the operation panel 12, the analyzer 11 starts consuming water according to the operation of each mechanism. The purification of the water will be described below with reference to FIG.
【００３４】図２において水道蛇口３の原水は電磁弁２
１０の開栓により自動分析装置本体に導入され、まずフ
ィルタ２１１で原水中のごみ，錆を除かれる。そして高
圧ポンプ２１２が逆浸透膜モジュール２１３に対し１０
kgf／cm2から１５kgf／cm2程度の高圧を水にかける。圧
力の調整は絞り弁２１６の絞り加減で調整する。In FIG. 2, the raw water of the tap 3 is a solenoid valve 2
10 is introduced into the main body of the automatic analyzer by opening the plug, and first, dust and rust in raw water are removed by the filter 211. Then, the high-pressure pump 212 moves the reverse osmosis membrane module 213 to 10
calling from kgf / cm 2 to 15 kgf / cm 2 about the high-pressure water. The pressure is adjusted by adjusting the throttle of the throttle valve 216.
【００３５】高圧により逆浸透膜モジュール２１３を透
過し、塩素，微粒子，雑菌を除去された水は、さらにイ
オン交換樹脂充填器２１４を通過しＣａイオン，Ｍｇイ
オン等を除去される。最終的に水質が電気伝導度１μＳ
／cm以下の純水となってタンク１４０に貯水される。The water which has passed through the reverse osmosis membrane module 213 at high pressure and has been freed of chlorine, fine particles and germs is further passed through an ion-exchange resin filler 214 to remove Ca ions, Mg ions and the like. Finally, the water quality is 1μS
/ Cm or less as pure water and stored in the tank 140.
【００３６】なお原水に対する採水率は加圧力大小によ
り異なるが、３分の１以下が一般的である。したがって
３分の２以上が絞り弁２１６を通過していくわけであ
り、純水として採水された分微粒子や雑菌が濃縮された
水となっている。そしてこの水は別のタンク１４１に貯
水される。The rate of water withdrawal from the raw water varies depending on the magnitude of the pressing force, but is generally one third or less. Therefore, two-thirds or more of the water passes through the throttle valve 216, and is water in which fine particles and various bacteria collected as pure water are concentrated. This water is stored in another tank 141.
【００３７】電磁弁２１５は逆浸透膜モジュール２１３
を耐久して使用するため時折膜に付着した物質を水流で
流し去る（フラッシュ洗浄）のに開栓し、純水精製中は
閉栓している。The solenoid valve 215 is a reverse osmosis membrane module 213
To endurance use, the substance is occasionally opened by removing the substance adhering to the membrane with a stream of water (flash washing), and closed during the purification of pure water.
【００３８】なお本実施例においてはフラッシュ水を貯
水しているが、水の汚れ具合によっては排水溝に排出し
た方がよい場合もある。Although the flush water is stored in this embodiment, it may be better to discharge the flush water to a drain depending on the degree of contamination of the water.
【００３９】以上のように本発明の自動分析装置ハウジ
ング００内部には純水精製部と２つの貯水タンクがあ
り、純水とその対局の原水濃縮水の二種類が貯水されて
いる。そしてタンク１４０の純水は送水ポンプ１５１で
配管５０を経て、タンク１４１の水は送水ポンプ１５２
で配管５１を経てそれぞれ分析部１１へと送られる。As described above, inside the automatic analyzer housing 00 of the present invention, there is a pure water purifying section and two water storage tanks, and two kinds of pure water and raw water concentrated water of the opposite side are stored. The pure water in the tank 140 passes through the pipe 50 by the water supply pump 151, and the water in the tank 141 is supplied to the water supply pump 152.
Are sent to the analysis unit 11 via the pipe 51.
【００４０】本発明においては分析動作中の純水精製始
動停止制御は、フロートスイッチ１４２でタンク１４０
内の水位を検出することで行い、一方タンク１４１には
オーバーフローのドレイン管をタンク１４１の水面維持
高さに設置し、溢れた水は排水溝４へ流される構造とし
た。In the present invention, the pure water purification start / stop control during the analysis operation is performed by the float switch 142 and the tank 140.
By detecting the water level in the tank 141, an overflow drain pipe is installed in the tank 141 at the water surface maintaining height of the tank 141, and the overflow water is caused to flow to the drainage ditch 4.
【００４１】この構造による純水精製起動タイミングと
タンク１４０，タンク１４１の水位変化の関係を模式的
に図４で示す。FIG. 4 schematically shows the relationship between the pure water purification start timing and the water level change of the tanks 140 and 141 according to this structure.
【００４２】（Ａ）は純水精製が終了した時点の状況
で、その後分析部１１の水消費により（Ｂ）の如く水位
が低下してくる。（Ｃ）の如くフロートスイッチ１４２
の下位を検出すると純水精製の動作が開始され両タンク
共に給水が行われる。(A) shows a state at the time when the purification of pure water is completed, and thereafter the water level decreases as shown in (B) due to the consumption of water by the analysis unit 11. (C) Float switch 142
Is detected, the operation of pure water purification is started, and water is supplied to both tanks.
【００４３】（Ｄ）の状態では水位がフロートスイッチ
の上位に達していないため純水精製が続行されているが
タンク１４１は満水でオーバーフローをおこし、再び
（Ａ）の状態に達したときにフロートスイッチ１４２か
ら停止指令を発して純水精製が停止する。これはタンク
１４０の水位が最下点から最上点に達する時間がタンク
１４１のそれに比して長いことが条件となるが、精製時
の排水量が純水量の２倍以上あるゆえ好都合条件であ
る。In the state (D), the pure water purification is continued because the water level has not reached the upper position of the float switch. However, the tank 141 overflows when the water is full, and when the tank 141 reaches the state (A) again, the float is overflowed. By issuing a stop command from the switch 142, the pure water purification is stopped. This is a condition that the time required for the water level of the tank 140 to reach the highest point from the lowest point is longer than that of the tank 141, but is a favorable condition because the amount of wastewater at the time of purification is twice or more the pure water amount.
【００４４】よってフロートスイッチを２つのタンクに
それぞれ設けずに片方だけで純水精製起動及び停止制御
が可能となる。Therefore, pure water purification start and stop control can be performed by only one of the two tanks without providing the float switch.
【００４５】本実施例図２の配管図中に圧力センサや水
質センサを図示していないが、純水精製過程で発生した
警報、たとえば高圧ポンプ圧力が上がらない、あるいは
タンク１４０の水質が良くない等のセンサからの情報
は、信号線を経て自動分析装置内の電子制御部で処理さ
れ、操作パネル等に表示される。Although a pressure sensor and a water quality sensor are not shown in the piping diagram of FIG. 2, an alarm generated during the purification process of pure water, for example, the high-pressure pump pressure does not increase or the water quality of the tank 140 is not good. The information from the sensors is processed by an electronic control unit in the automatic analyzer via a signal line, and displayed on an operation panel or the like.
【００４６】原水から純水を精製，分析部１１に送るま
でのハードウェア構成について図１と図２を見比べる
と、図１の送水ポンプ２２，フィルタ１６，電磁弁１
７，操作パネル２３が本発明では削除されたことがわか
る。When comparing the hardware configuration from the purification of the raw water to the purified water and sending it to the analysis unit 11 with reference to FIG. 1 and FIG. 2, the water supply pump 22, the filter 16 and the solenoid valve 1 of FIG.
7. It can be seen that the operation panel 23 has been deleted in the present invention.
【００４７】以上詳述したように、純水自給のための純
水製造装置を自動分析装置の構成要素としてハウジング
００内に組み入れたことにより部品を削減でき製造コス
ト低減が可能となる。As described in detail above, by incorporating the pure water producing apparatus for pure water self-sufficiency into the housing 00 as a component of the automatic analyzer, the number of parts can be reduced and the production cost can be reduced.
【００４８】前記実施例の自動分析装置においては分析
部と純水精製部とが同一ハウジング００に収められた構
造であるが、分析部は分析部で１つのまとまりとしてハ
ウジングで覆い、一方の自動分析装置に係る送水ポン
プ，エアポンプ，純水精製部も別のハウジングで覆った
ツーピース構成の自動分析装置であってもよい。２つの
ユニット間は配管５０，５１，１８３，信号線６で結合
する。The automatic analyzer of the above embodiment has a structure in which the analysis unit and the pure water purification unit are housed in the same housing 00, but the analysis unit is covered by the analysis unit as a single unit, and the one automatic The water supply pump, the air pump, and the pure water purification unit of the analyzer may be a two-piece automatic analyzer covered with another housing. The two units are connected by pipes 50, 51, 183 and signal line 6.
【００４９】図５にその外観斜視図を示す。FIG. 5 shows a perspective view of the appearance.
【００５０】図５の１８は純水精製部及び給水に係る機
能他前出のエアポンプ１８０も収納されているが、あえ
てポンプ部と命名し、９は事務机、１９はキャスターで
ある。分析部１１は事務机９の上に載せられてあり、ポ
ンプ部は事務机９下に配置してある。そして事務机９と
コンポーネントシステム化したことで、使用者の事務ワ
ークの利便性が改善される。In FIG. 5, reference numeral 18 denotes a pure water purifying section and a function relating to water supply, and the above-mentioned air pump 180 is also accommodated. The analysis unit 11 is mounted on the office desk 9, and the pump unit is arranged below the office desk 9. The use of the office desk 9 as a component system improves the convenience of the user's office work.
【００５１】また、ポンプ部１８のハウジング底にはキ
ャスター１９が取り付けられている。図２に示すフィル
タ２１１，逆浸透膜モジュール２１３，イオン交換樹脂
充填器２１４は純水水質維持の交換保守が必要であり、
タンク１４０，１４１内も清掃を要し、エアポンプフィ
ルタ１８１も交換保守をしなければならない。A caster 19 is attached to the bottom of the housing of the pump section 18. The filter 211, the reverse osmosis membrane module 213, and the ion exchange resin filling device 214 shown in FIG.
The tanks 140 and 141 also need to be cleaned, and the air pump filter 181 must be replaced and maintained.
【００５２】机下にあっては窮屈な姿勢でこれらの作業
をやらねばならぬが、本発明のポンプ部１８ではキャス
タ１９がついているのでポンプ部１８を机下より引き出
しハウジングを取り去れば、底面を除く５面方向から作
業が容易にできる。Although these operations must be performed in a cramped position under the desk, the caster 19 is attached to the pump section 18 of the present invention, so if the pump section 18 is pulled out from the desk and the housing is removed, Work can be easily performed from five directions except the bottom surface.
【００５３】更に前述のまとまりで分割構成されたこと
で微弱電流電圧を扱う分析部１１に対して、動力源に交
流の大電流電圧を流すポンプ部１８を距離的に遠ざける
ことができるので、電気ノイズや機械振動の影響を受け
がたく精度信頼の高い分析結果を得られる利点もある。Further, the pump unit 18 for supplying a large AC voltage to the power source can be distanced from the analyzing unit 11 which handles the weak current voltage by the divided configuration described above. There is also an advantage that an analysis result with high accuracy and reliability can be obtained without being affected by noise or mechanical vibration.
【００５４】次に図２に示したタンク１４０及び１４１
の二種類の水使用について説明する。Next, the tanks 140 and 141 shown in FIG.
The two types of water use will be described.
【００５５】図３において自動分析装置では検体や試薬
が変わる毎に検体ノズル１１４，試薬ノズル１１５，攪
拌棒１１６の接液範囲を洗浄しなければならず、洗浄槽
123,１２４，１２５を設置している。In FIG. 3, in the automatic analyzer, the sample contact area of the sample nozzle 114, the reagent nozzle 115, and the stirring rod 116 must be washed every time the sample or the reagent changes.
123, 124 and 125 are installed.
【００５６】本発明のこれら洗浄槽には図６の如く２つ
の水吐出口を設けた。一方の吐出口からはタンク１４１
の原水濃縮水が、他方からはタンク１４０の純水が出る
ように配管接続されている。破線が原水濃縮水，実線が
純水の配管を示す。図６では両吐出口が相対する向きに
なっているが互いに９０度となるような向きでもよい。These cleaning tanks of the present invention were provided with two water discharge ports as shown in FIG. From one outlet, tank 141
Is connected to the pipe so that pure water in the tank 140 comes out from the other. The dashed line indicates the raw water concentrate and the solid line indicates the pure water piping. In FIG. 6, the two discharge ports face each other, but may have a direction that is 90 degrees to each other.
【００５７】攪拌棒１１６の洗浄を例に取り上げると、
反応容器９９の混合液を攪拌した後に攪拌棒１１６は洗
浄槽１２５中に先端を突っ込み電磁弁ａの開栓で原水濃
縮水が（１）の如く浴びせられる。Taking the washing of the stirring rod 116 as an example,
After stirring the liquid mixture in the reaction container 99, the stirring rod 116 is inserted into the washing tank 125 at its tip, and the electromagnetic valve a is opened, so that concentrated raw water is poured as shown in (1).
【００５８】次に電磁弁ａを閉栓と同時に電磁弁ｆを開
栓し（２）のとおり純水を吐出する。すなわち汚染物質
をはじめ原水濃縮水で流し去り仕上げに純水を浴びせる
二段方式をとっている。同様に検体ノズル洗浄槽１２
３、試薬ノズル洗浄槽１２４にも適用している。Next, the electromagnetic valve f is opened at the same time as the electromagnetic valve a is closed, and pure water is discharged as shown in (2). In other words, a two-stage system is used, in which the contaminated material and the raw water concentrated water are washed away and pure water is applied to finish. Similarly, the sample nozzle cleaning tank 12
3. It is also applied to the reagent nozzle cleaning tank 124.
【００５９】これまで廃水とされてきた原水濃縮水が純
水にくらべてふんだんに得られることから、図３では無
駄水を生じても一個の電磁弁ａの開閉で対応をしている
が、三個の電磁弁を設置し送水先に応じて独自タイミン
グの供給としてもよい。Since the concentrated raw water, which has been used as wastewater, can be obtained in abundance in comparison with pure water, in FIG. 3, even if wastewater is generated, one solenoid valve a is opened and closed. It is also possible to install individual solenoid valves and supply them at their own timing according to the water supply destination.
【００６０】以上のように、純水を精製する際の副生物
であるところの原水濃縮水を用いてノズルや攪拌棒の付
着汚染物質を一次洗浄し、次に純水で仕上げ洗浄を実施
し、これまで純水オンリーであった洗浄をやめ従来に比
べて純水の消費量を減らしたところが本発明の特徴であ
る。As described above, the contaminants adhering to the nozzle and the stirring rod are primarily cleaned using the concentrated raw water, which is a by-product of the purification of the purified water, and then the final cleaning is performed with the purified water. The feature of the present invention is that the cleaning which has been pure water only is stopped and the consumption of pure water is reduced as compared with the conventional one.
【００６１】同様に従来純水のみで行われていた反応容
器９９の洗浄、容器洗浄機構１１７にも適用したので本
件について以下説明する。Similarly, the present invention is applied to the cleaning of the reaction vessel 99 and the vessel cleaning mechanism 117, which has been conventionally performed only with pure water.
【００６２】図７は容器洗浄機構１１７におけるシーケ
ンスサイクル経過ごとの反応容器９９の洗浄状態遷移を
摸式化したものである。FIG. 7 is a schematic diagram showing a transition of the cleaning state of the reaction vessel 99 in the vessel cleaning mechanism 117 every time a sequence cycle elapses.
【００６３】図７において符号１１７は容器洗浄機構で
符号（イ）（ロ)〜(リ）までのノズルを保持し、上下に
動作、ノズルを反応容器９９内へ出し入れをする。それ
ぞれの役割で（イ)，(ロ)，(ハ)，(ニ)，(ホ）は液吸引
ノズル、（ヘ)，(ト)，(チ),（リ）は水吐出ノズルであ
り、（イ）と（ヘ)，(ロ）と（ト)，(ハ）と（チ）は二
本組の形で反応容器９９に入る。In FIG. 7, reference numeral 117 denotes a container cleaning mechanism which holds the nozzles (a), (b), (b) and (f), moves up and down, and moves the nozzles into and out of the reaction vessel 99. In each role, (a), (b), (c), (d), and (e) are liquid suction nozzles, (f), (g), (h), and (li) are water discharge nozzles. (A) and (f), (b) and (g), (c) and (h) enter the reaction vessel 99 in the form of a pair.
【００６４】反応容器９９は反応テーブル１１０に円周
配列されてテーブル回転で位置を移動し、ここ図７では
紙面右から左へと移動するものとする。The reaction vessels 99 are arranged circumferentially on the reaction table 110 and move by rotating the table. In FIG. 7, it is assumed that the reaction vessels move from right to left on the sheet.
【００６５】また当該自動分析装置では容器洗浄機構１
１７が１サイクルのシーケンス動作の中で１往復動作
し、往復動作の間（イ)，(ロ)，(ハ)，(ニ)，(ホ）は吸
引を続け、（ヘ)，(ト)，(チ)，(リ）は下死点到達後上
昇時に水を吐出する。その結果個々の反応容器９９中の
前の液を排出し新しい水での置換が行われる。In the automatic analyzer, the container washing mechanism 1
17 performs one reciprocation in the sequence operation of one cycle. During the reciprocation, (a), (b), (c), (d), and (e) continue suction, and (f) and (g). , (H) and (li) discharge water when the ascent rises after reaching the bottom dead center. As a result, the previous liquid in each of the reaction vessels 99 is discharged and replaced with fresh water.
【００６６】反応容器９９が１サイクル経過毎に１ピッ
チずつ左へ位置を移動していけば、反応終了液がごく微
量の残留を伴いながらも次々水で置換が繰り返され、数
サイクル後には分析に支障無きレベルまで洗浄到達し、
再び検体ノズル１１４で検体を貰い受け分析過程に進
む。If the reaction vessel 99 moves to the left by one pitch every one cycle, the reaction-terminated liquid is replaced with water one after another with a very small amount of residue, and after several cycles the analysis is completed. To a level that does not hinder
The sample is received again by the sample nozzle 114 and the process proceeds to the analysis process.
【００６７】図７では４サイクル経過で洗浄を終え、５
サイクル目(図として示していない)にノズル（リ）によ
って光学分析のための基準水（ブランク水）を分注され
るまでの、置換水の汚染状態をハッチング濃淡を利用し
模式的に示している。In FIG. 7, the cleaning is completed after the elapse of four cycles.
The contamination state of the replacement water until the reference water (blank water) for optical analysis is dispensed by the nozzle (R) at the cycle (not shown in the drawing) is schematically shown by using the shading density. I have.
【００６８】洗浄行程説明について長くなってしまった
が、本発明自動分析装置の特徴は第１サイクル目の洗浄
置換水として前出純水精製時の副生物として派生した原
水濃縮水を使用した点にある。したがってノズル（ヘ）
は電磁弁ｃへと接続されている。Although the description of the washing process has been lengthened, the feature of the automatic analyzer of the present invention is that raw water concentrated water derived as a by-product at the time of purification of purified water is used as the washing replacement water in the first cycle. It is in. Therefore the nozzle (f)
Is connected to the solenoid valve c.
【００６９】一方ノズル（ト)，(チ）による置換水は仕
上げ洗浄として純水を用い電磁弁ｂに、またブランク水
にも純水が使われるためノズル（リ）は電磁弁ｌに接続
されている。On the other hand, the replacement water by the nozzles (g) and (h) is pure water used as finish cleaning, and the pure water is used for the blank water, and the pure water is also used for the blank water. ing.
【００７０】ちなみに吸引に関わる全ノズルは、図３中
の廃液トラップ瓶１２８にチューブで接続、エアポンプ
１８０で廃液トラップ瓶１２８内を減圧することで吸引
動作が実施される。Incidentally, all the nozzles involved in the suction are connected to the waste liquid trap bottle 128 in FIG. 3 by a tube, and the air pump 180 reduces the pressure inside the waste liquid trap bottle 128 to perform the suction operation.
【００７１】さて検体ノズル１１４，試薬ノズル１１
５，攪拌棒１１６、及び反応容器９９の洗浄水として原
水濃縮水を使用することへの是非であるが、生化学反応
を扱う分析装置においてまずもって問題はない。Now, the sample nozzle 114 and the reagent nozzle 11
5, It is a necessity to use concentrated raw water as washing water for the stirring rod 116 and the reaction vessel 99, but there is no problem in an analyzer handling biochemical reactions.
【００７２】なぜなら原水濃縮水といっても病院や検査
センターでの原水には市中上水道水が用いられており、
測定物質が付着したことによる被洗浄物のキャリオーバ
ーした汚れ程度にくらべて、洗浄水中に溶存している物
質濃度はきわめて低いからである。[0086] Even though raw water concentrate is used in the hospital and inspection center, city tap water is used.
This is because the concentration of the substance dissolved in the cleaning water is extremely low as compared with the degree of contamination of the object to be cleaned which has been carried over due to the adhesion of the measurement substance.
【００７３】以上のべたように検体ノズル，試薬ノズ
ル，攪拌棒，反応容器の一次洗浄水に純水を精製する際
派生した原水濃縮水を使用し、仕上げ洗浄用に純水を使
い分けることで、純水のみの洗浄に頼っていた従来装置
に比べ水使用量を減らし、すなわち水の有功利用を図り
ながらこれまでと遜色ない分析性能結果が得られる。As described above, the raw water concentrated water derived when purifying pure water is used as the primary cleaning water for the sample nozzle, the reagent nozzle, the stirring rod, and the reaction vessel, and the pure water is selectively used for the final cleaning. Compared with the conventional apparatus that relies on washing with pure water only, the amount of water used is reduced, that is, analytical performance results comparable to those of the past can be obtained while effectively using water.
【００７４】併せて水使用量に応じて交換頻度が左右さ
れる逆浸透膜モジュールとイオン交換樹脂の耐久使用期
間が伸長し、装置使用者のランニングコスト負担軽減と
なる。In addition, the durable use period of the reverse osmosis membrane module and the ion exchange resin whose replacement frequency depends on the amount of water used is extended, and the running cost of the apparatus user is reduced.
【００７５】[0075]
【発明の効果】本発明によれば自動分析装置の製造コス
トを低減し、さらに水の消費量が減るため、装置使用者
のランニングコスト負担軽減の効果もある。According to the present invention, the manufacturing cost of the automatic analyzer can be reduced and the amount of water consumption can be reduced, so that the running cost of the user can be reduced.
【図１】従来技術による自動分析装置と純水製造装置と
の構築システム図。FIG. 1 is a diagram showing a construction system of an automatic analyzer and a pure water production apparatus according to a conventional technique.
【図２】純水製造範囲の構成，配管を詳細表示した本発
明実施例の自動分析装置図。FIG. 2 is a diagram showing an automatic analyzer according to an embodiment of the present invention in which the configuration of the pure water production range and the piping are displayed in detail.
【図３】分析部の構成，配管を詳細表示した本発明実施
例の自動分析装置図。FIG. 3 is a diagram showing an automatic analyzer according to an embodiment of the present invention in which the configuration and piping of an analyzer are displayed in detail.
【図４】本発明実施例の自動分析装置における純水精製
起動タイミングと内蔵タンク水位変化の関係模式図。FIG. 4 is a schematic diagram showing a relationship between a pure water purification start timing and a change in a built-in tank water level in the automatic analyzer according to the embodiment of the present invention.
【図５】本発明実施例のツーピース構成自動分析装置外
観斜視図。FIG. 5 is an external perspective view of a two-piece automatic analyzer according to an embodiment of the present invention.
【図６】本発明実施例洗浄槽の断面図。FIG. 6 is a sectional view of a cleaning tank according to an embodiment of the present invention.
【図７】反応容器洗浄状態遷移摸式図。FIG. 7 is a schematic diagram of a transition state of a cleaning state of a reaction vessel.
１…自動分析装置、２…純水製造装置、９…事務机、０
０…ハウジング、１１…分析部、１２…自動分析装置操
作パネル、１８…ポンプ部、１９…キャスター、２３…
純水製造装置操作パネル、９９…反応容器、１１７…容
器洗浄機構、１２３…検体ノズル洗浄槽、１２４…試薬
ノズル洗浄槽、１２５…攪拌洗浄槽、１４０，１４１…
タンク、１４２…フロートスイッチ、２１３…逆浸透膜
モジュール、２１４…イオン交換樹脂充填器。1 ... automatic analyzer, 2 ... pure water production equipment, 9 ... office desk, 0
0 ... housing, 11 ... analyzing section, 12 ... automatic analyzer operation panel, 18 ... pump section, 19 ... caster, 23 ...
Pure water production device operation panel, 99: reaction container, 117: container cleaning mechanism, 123: sample nozzle cleaning tank, 124: reagent nozzle cleaning tank, 125: stirring cleaning tank, 140, 141 ...
Tank, 142: float switch, 213: reverse osmosis membrane module, 214: ion-exchange resin filler.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 白石 嘉平 茨城県ひたちなか市大字市毛1040番地 株 式会社日立サイエンスシステムズ内 (72)発明者 進藤 勲夫 茨城県ひたちなか市大字市毛1040番地 株 式会社日立サイエンスシステムズ内 Ｆターム(参考） 2G058 HA00 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kahei Shiraishi 1040 Ma, Ichiki, Hitachinaka City, Ibaraki Prefecture Inside Hitachi Science Systems Co., Ltd. F-term in Science Systems (reference) 2G058 HA00
Claims (8)
ルとその洗浄槽、分析のための反応容器及びその恒温槽
と、攪拌棒とその洗浄槽、測定終了後に分析液を排出・
反応容器を洗浄する容器洗浄ノズルと、光学測定の基準
水吐出ノズルと、これらで構成された分析主要部への送
水加圧ポンプと、各種配管及び送止水弁を備えた自動分
析装置において、逆浸透膜モジュールを利用した純水製
造装置を自動分析装置の構成ユニットとして装置内部に
組み入れ、当ユニットで精製生産した純水を前記分析部
で運用することを特徴とする自動分析装置。1. A pipettor nozzle for dispensing and dispensing a sample and a reagent, a washing tank therefor, a reaction vessel for analysis and a constant temperature tank, a stirrer and a washing tank therefor, and an analysis liquid after the measurement is completed.
In a container washing nozzle for washing a reaction container, a reference water discharge nozzle for optical measurement, a water supply pressurizing pump configured to these components, and an automatic analyzer equipped with various piping and a stop water valve, An automatic analyzer, wherein a pure water producing apparatus using a reverse osmosis membrane module is incorporated as a constituent unit of an automatic analyzer inside the apparatus, and pure water purified and produced by the unit is operated by the analyzer.
製した純水と、精製過程で副生物として生じた原水濃縮
水の両方を前記分析部に送水し、分析液に浸った被汚染
部品の予備洗浄に後者を使用し、且つ仕上げ洗浄水に純
水を用いて、水消費を削減する手段及びその機能を備え
たことを特徴とする自動分析装置。2. The contaminated part according to claim 1, wherein both the purified water purified inside the automatic analyzer and the raw water concentrated water generated as a by-product in the purification process are sent to the analysis section and immersed in the analysis solution. An automatic analyzer characterized by comprising means for reducing water consumption by using the latter for preliminary washing and using pure water for finish washing water, and a function thereof.
別に貯水タンクを設け、純水貯水タンク内にはフロート
スイッチを設置し、一方原水濃縮水タンクにはオーバー
フロー排水管を設置、そのフロートスイッチにより純水
精製の起動停止制御することを特徴とする自動分析装
置。3. The pure water storage tank is provided with separate water storage tanks, a float switch is installed in the pure water storage tank, and an overflow drain pipe is installed in the raw water concentrated water tank. An automatic analyzer characterized by controlling start and stop of pure water purification by a float switch.
両種類の水が吐出する、検体・試薬ピペッタノズル洗浄
槽と攪拌棒洗浄槽を分析部に設置したことを特徴とする
自動分析装置。4. An automatic analyzer according to claim 2, wherein a sample / reagent pipettor nozzle washing tank and a stirring rod washing tank for discharging both types of water, pure water and raw water concentrated water, are installed in the analyzer. .
異常情報を分析運用に係る操作画面上に表示したことを
特徴とする自動分析装置。5. The automatic analyzer according to claim 1, wherein various kinds of abnormality information relating to pure water purification are displayed on an operation screen relating to analysis operation.
析装置に係るポンプを同じ１つのハウジング内に納め、
これとは別に分析主要部についても１つのハウジングで
まとめ構成し、これらツーピース間を配管と電気信号線
で結合したことを特徴とする自動分析装置。6. A pump according to claim 1, wherein the pump for the pure water production apparatus and the pump for the automatic analyzer are housed in the same one housing,
Separately, the analysis main part is also constituted by one housing, and these two pieces are connected by a pipe and an electric signal line.
装置・ポンプを納めたユニットを、事務机下に配置し、
分析部を机上に載せてコンポーネントしたことを特徴と
する自動分析装置のシステム。7. The unit according to claim 6, wherein the unit containing the office desk and the above-mentioned pure water production apparatus / pump is arranged under the office desk.
An automatic analyzer system comprising an analyzer mounted on a desk as a component.
ユニットのハウジング下にキャスターを設置し、机下部
への出し入れを容易としたことを特徴とする自動分析装
置。8. The automatic analyzer according to claim 7, wherein a caster is provided under a housing of the pure water producing apparatus / pump unit to facilitate access to a desk lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7313899A JP2000266763A (en) | 1999-03-18 | 1999-03-18 | Automatic analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7313899A JP2000266763A (en) | 1999-03-18 | 1999-03-18 | Automatic analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000266763A true JP2000266763A (en) | 2000-09-29 |
Family
ID=13509557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7313899A Pending JP2000266763A (en) | 1999-03-18 | 1999-03-18 | Automatic analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000266763A (en) |
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