JPH06324053A - Automatic chemical analyzer - Google Patents

Automatic chemical analyzer

Info

Publication number
JPH06324053A
JPH06324053A JP11138493A JP11138493A JPH06324053A JP H06324053 A JPH06324053 A JP H06324053A JP 11138493 A JP11138493 A JP 11138493A JP 11138493 A JP11138493 A JP 11138493A JP H06324053 A JPH06324053 A JP H06324053A
Authority
JP
Japan
Prior art keywords
detergent
pipe
nozzle
sample
reaction
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
Application number
JP11138493A
Other languages
Japanese (ja)
Inventor
Osamu Ono
修 大野
Katsuichi Kouda
勝一 古宇田
Takehiro Fujita
武弘 藤田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11138493A priority Critical patent/JPH06324053A/en
Publication of JPH06324053A publication Critical patent/JPH06324053A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To prevent dropping of crystals of a detergent into a reaction container and to improve the reliability of an apparatus by covering, with an outside pipe, the outer periphery of a pair of washing nozzles which discharge the detergent and suck a sample. CONSTITUTION:A sample suction nozzle 81 and a detergent discharge nozzle 86 are inserted into a fixed pipe 121 and sealed by welding. The lower end of the fixed pipe 121 is fixed to a pipe 122 by welding. The inner diameter of the pipe 122 is approximately 4mm. The pipe 122 is 1mm long upward from the lower end of the suction nozzle 81 and the distance from the lower end of the pipe 122 to the washing nozzle 86 is also 1mm. In this constitution, when the detergent is discharged after the sample is sucked, the pipe 122 is filled with the detergent. A flow path 124 connected to the detergent nozzle 86 is, via a branch pipe 42, connected to a solenoid valve 100. The solenoid valve 100 is closed after the detergent is discharged. Therefore, the detergent in the pipe 122 of a washing nozzle 120 never drops, so that the pipe 122 is kept filled with the liquid. Accordingly, the detergent is not dried, whereby the crystalline deposition of the detergent is prevented.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、生化学自動分析装置に
係り、給水ポンプの吐出圧を利用し、反応終了後の反応
セルを洗浄するための洗剤流路に好適な生化学自動分析
装置の洗浄装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biochemical automatic analyzer, which utilizes discharge pressure of a water supply pump and is suitable for a detergent flow path for washing a reaction cell after completion of a reaction. Cleaning device.

【0002】[0002]

【従来の技術】従来の化学自動分析装置における洗浄装
置および洗剤流路の構成断面図を説明する。
2. Description of the Related Art A cross-sectional view of the structure of a cleaning device and a detergent channel in a conventional chemical automatic analyzer will be described.

【0003】反応容器は、分注機構により、試料,試薬
が吐出され化学反応が行われ、吸光光度計にて測定後、
洗浄機構が反応液吸引と容器洗浄を実施する。これによ
り、洗浄が行われた反応容器は繰返し使用される。
In the reaction container, a sample and a reagent are discharged by a dispensing mechanism to cause a chemical reaction, and after measurement with an absorptiometer,
A cleaning mechanism performs reaction solution suction and container cleaning. As a result, the washed reaction vessel is repeatedly used.

【0004】上記、洗浄装置の洗剤吐出流路系について
説明する。
The detergent discharge flow path system of the cleaning device will be described.

【0005】反応液の吸引は、真空ポンプにより真空流
路を経てなされる。洗剤ノズルと吸引ノズルが一対とな
っている洗浄ノズルを用い、反応液は吸引ノズルにより
吸引される。洗剤は、洗浄ノズルの洗剤ノズルから反応
容器中に、1個あたり約500μl吐出される。
The reaction liquid is sucked by a vacuum pump through a vacuum flow path. A cleaning nozzle having a pair of detergent nozzle and suction nozzle is used, and the reaction liquid is sucked by the suction nozzle. About 500 μl of detergent is discharged from the detergent nozzle of the washing nozzle into the reaction container.

【0006】[0006]

【発明が解決しようとする課題】上記従来技術の問題点
を以下に述べる。
The problems of the above-mentioned prior art will be described below.

【0007】自動分析装置が大形化になるに従い、処理
能力も多くなり、信頼性についてもこれに追従しなけれ
ばならないが、洗浄装置の流路構成について大きな問題
があった。
As the size of the automatic analyzer increases, the processing capacity increases, and it is necessary to follow the reliability as well. However, there has been a big problem in the flow path structure of the cleaning device.

【0008】反応容器内洗浄用洗剤としては、結晶性の
高いアルカリ性洗剤が一般的である。反応容器内そのも
のの洗浄方法には問題無いが、洗剤吐出後の洗浄ノズル
外壁に付着する洗剤の結晶物についての配慮がなされて
おらず、装置稼働中において、反応容器内でサンプルと
試薬が化学反応中に洗剤の結晶物が落下すると、正規の
化学反応が行えなくなり、分析が正しく行われなくな
る。
As the detergent for cleaning the inside of the reaction vessel, an alkaline detergent having a high crystallinity is generally used. Although there is no problem with the method of cleaning the inside of the reaction vessel, no consideration was given to the crystalline substance of the detergent adhering to the outer wall of the cleaning nozzle after the detergent was discharged. If the detergent crystals fall during the reaction, the regular chemical reaction cannot be performed and the analysis cannot be performed correctly.

【0009】洗浄機能の洗浄ノズルが反応容器中液に浸
る長さは約15mmである。洗剤の結晶が発生する箇所は
液に浸らない領域である。
The length of the cleaning nozzle having the cleaning function soaked in the liquid in the reaction vessel is about 15 mm. The place where the detergent crystals are generated is a region which is not soaked in the liquid.

【0010】洗剤ノズルと吸引ノズルを一対にするた
め、これらを接合しているが、2本のパイプ中央接点部
における毛細管現象により洗浄液が上昇し、これが乾燥
し結晶となる。この結晶が時間とともに成長し、装置の
振動等により結晶物が反応容器内に落下してしまう場合
があった。
The detergent nozzle and the suction nozzle are joined together to form a pair, but the washing liquid rises due to the capillary phenomenon at the two pipe central contact points, and this is dried to form crystals. This crystal may grow with time, and the crystal product may fall into the reaction vessel due to vibration of the apparatus or the like.

【0011】本発明の目的は、前記した従来技術の問題
点を除去し、信頼性が高い化学自動分析装置を提供する
ことにある。
An object of the present invention is to eliminate the above-mentioned problems of the prior art and provide a highly reliable chemical automatic analyzer.

【0012】[0012]

【課題を解決するための手段】上記目的を達成するため
に、2本のパイプ中央接点部での毛細管現象により反応
容器内洗剤が上昇しても結晶しない様に、洗剤を吐出,
試料の吸引を行う一対の洗浄ノズル外周へ外側パイプを
被せた構成とし、更に洗剤流路の弁を閉じて外側パイプ
内を洗剤で満たし、外側パイプ内に洗剤を残して洗浄ノ
ズル外壁を乾燥させない様にするものである。
In order to achieve the above object, the detergent is discharged so that the detergent in the reaction vessel does not crystallize even if the detergent in the reaction vessel rises due to the capillary phenomenon at the central contact points of the two pipes.
An outer pipe is placed on the outer circumference of a pair of washing nozzles that sucks the sample, and the valve of the detergent flow path is closed to fill the inside of the outer pipe with detergent, leaving the detergent inside the outer pipe and not drying the outer wall of the washing nozzle. To do so.

【0013】[0013]

【作用】上記したように、2本の洗浄ノズルの外周に更
に外側パイプを被せることで、外側パイプの内面に洗剤
を満たし、洗剤を乾燥させない様にすることで結晶析出
を防ぐ。
As described above, by covering the outer circumference of the two cleaning nozzles with the outer pipe, the inner surface of the outer pipe is filled with the detergent, and the detergent is prevented from drying, thereby preventing crystal precipitation.

【0014】これにより、従来問題となっていた反応容
器内への洗剤の結晶滴下が解消され、装置の大幅な信頼
性向上が可能となる。
As a result, the crystal dripping of the detergent into the reaction vessel, which has been a problem in the past, is eliminated, and the reliability of the apparatus can be greatly improved.

【0015】[0015]

【実施例】以下、本発明の一実施例を図1,図2,図
3,図4により説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1, 2, 3 and 4.

【0016】自動分析装置における分析動作を図4を用
いて説明する。試料容器30中のサンプルは、試料容器
30がラック26に乗せられていることにより、サンプ
ラ1を介して移動し、サンプリング機構6の位置まで移
動する。ここでサンプルは、サンプリング機構6の定量
分取機構5により一定量分取され、反応ディスク2上の
反応容器31に吐出される。反応容器31は、反応ディ
スク2の外縁に円周上に一列に配置固定されており、回
転駆動機構(図示省略)により反応ディスクに固定され
ている反応用機31は、恒温水槽(図示省略)に浸った
状態で円周軌道上を移動する。反応容器31は反応ディ
スク2が回転することにより、試薬吐出機構10の位置
が移動する。試薬吐出機構10には多連分注器16を介
して試薬容器20がつながっており、試薬容器20中の
試薬が多連分注器16により、一定量、サンプルの入っ
た反応容器31に吐出される。試薬のサンプルへの混合
は、サンプルの分析項目等の必要に応じて第1試薬,第
2試薬が混入される。反応容器31中のサンプルと試薬
の混合液は、反応ディスク2の回転により、撹拌機構1
3により撹拌され、混合が促進される。これら一連の動
作により検体と試薬の着色反応が行われ、反応ディスク
2の回転により、該反応容器31は光源と吸光光度計1
5の間の光軸を横切り、吸光度が測定され、A/Dコン
バータ22でデータをデジタル化した後、コンピュータ
25へ送る。
The analysis operation of the automatic analyzer will be described with reference to FIG. The sample in the sample container 30 moves through the sampler 1 to the position of the sampling mechanism 6 because the sample container 30 is placed on the rack 26. Here, the sample is dispensed in a fixed amount by the quantitative dispensing mechanism 5 of the sampling mechanism 6 and discharged into the reaction container 31 on the reaction disk 2. The reaction vessels 31 are arranged and fixed in a row on the circumference of the outer edge of the reaction disk 2. The reaction machine 31 fixed to the reaction disk by a rotary drive mechanism (not shown) is a constant temperature water tank (not shown). It moves on a circular orbit while being immersed in. The position of the reagent discharge mechanism 10 moves in the reaction container 31 as the reaction disk 2 rotates. A reagent container 20 is connected to the reagent discharge mechanism 10 via a multiple dispensing device 16, and the reagent in the reagent container 20 is discharged by the multiple dispensing device 16 into a reaction container 31 containing a certain amount of sample. To be done. In mixing the reagent with the sample, the first reagent and the second reagent are mixed according to the analysis items of the sample and the like. The mixed liquid of the sample and the reagent in the reaction container 31 is rotated by the reaction disk 2 to generate the stirring mechanism 1.
Stir with 3 to facilitate mixing. The coloring reaction between the sample and the reagent is performed by the series of operations, and the reaction container 31 is rotated by the light source and the absorptiometer 1.
The optical density is measured across the optical axis between 5 and the data is digitized by the A / D converter 22 and then sent to the computer 25.

【0017】以後、試料分注と試薬注入の動作、反応デ
ィスク2の回転動作を一定時間間隔で繰り返す。その
後、該反応容器31は一定時間間隔ごとに吸光光度計1
5の光軸を横切るため、反応液の化学反応過程の吸光度
変化を断続的に追跡コンピュータ22に記録される。こ
の吸光度変化をコンピュータ22でデータ処理すること
で、試料中の各種の成分濃度を算出、装置の操作者が操
作部25より操作することで各種測定結果がプリンタ、
CRTより出力されたり、フロッピーディスク(図示省
略)に書き込まれたりする。
Thereafter, the operations of sample dispensing, reagent injection, and rotation of the reaction disk 2 are repeated at regular time intervals. After that, the reaction container 31 is replaced with an absorptiometer 1 at regular time intervals.
Since it crosses the optical axis of 5, the absorbance change in the chemical reaction process of the reaction solution is intermittently recorded in the tracking computer 22. The absorbance change is processed by the computer 22 to calculate various component concentrations in the sample, and the operator of the apparatus operates the operation unit 25 to display various measurement results in the printer.
It is output from a CRT or written to a floppy disk (not shown).

【0018】吸光度を測定し終えた反応容器31は、所
定の位置で反応容器洗浄機構14により洗浄される。該
反応容器31が洗浄されているとき、他の反応容器31
では並行して試料の成分分析が行われているので、反応
容器の洗浄により処理能力が低下することはない。洗浄
を終えた反応容器は次の分析用に供される。図3に反応
容器31の洗浄機構流路系を示す。
The reaction container 31 whose absorbance has been measured is washed by the reaction container washing mechanism 14 at a predetermined position. When the reaction container 31 is being washed, another reaction container 31
Since the sample component analysis is carried out in parallel, the processing capacity does not decrease due to the cleaning of the reaction vessel. The washed reaction container is used for the next analysis. FIG. 3 shows a cleaning mechanism flow path system for the reaction vessel 31.

【0019】31は反応容器で、円周上に断面した図で
ある。86は洗浄用の洗剤ノズルで図のようにセル上部
位置にある。81,82は廃液吸引ノズルである。洗浄
の一連の動作を以下説明する。
Reference numeral 31 is a reaction vessel, which is a sectional view taken along the circumference. Reference numeral 86 is a detergent nozzle for cleaning, which is located at the upper position of the cell as shown in the figure. 81 and 82 are waste liquid suction nozzles. A series of cleaning operations will be described below.

【0020】最初に測定の終了した反応容器53内サン
プルは、吸引ノズル81で以下に説明する真空流路によ
り吸引され次に洗剤ノズル86で給水される。次に82
の位置で吸引、87のノズルで給水が行われ、83のノ
ズルで反応容器31の壁面に付着している水滴を吸引す
る。壁面の液を吸引するため吸引ノズル83のG先端は
反応容器と同形状としてある。給水ノズル88は吸光度
測定のセルブランク用水である。セルブランク用水を吸
引ノズル85で吸引し、89吸引ノズルで反応容器31
内の壁面の水滴を吸引する。
The sample in the reaction container 53 which has been measured for the first time is sucked by the suction nozzle 81 through the vacuum flow path described below, and then supplied by the detergent nozzle 86. Next 82
, And water is supplied by the nozzle of 87, and water droplets adhering to the wall surface of the reaction container 31 are sucked by the nozzle of 83. In order to suck the liquid on the wall surface, the G tip of the suction nozzle 83 has the same shape as the reaction container. The water supply nozzle 88 is water for cell blank for absorbance measurement. The cell blank water is sucked by the suction nozzle 85, and the reaction container 31 is sucked by the suction nozzle 89.
Aspirate water drops on the inner wall.

【0021】次に真空流路について説明する。流路はサ
ンプル吸引と洗浄水吸引の二流路となっていて、ドレイ
ンパイプも、サンプルドレインパイプ64と洗浄水ドレ
インパイプ65とに分かれ、真空瓶も廃液バッファ瓶5
8と洗浄液バッファ瓶59とに分かれている。50〜5
2は個々のノズルに配管される流路用の分岐管である,
55〜57,60〜63は真空系の制御用電磁弁であ
る。66は真空ポンプであり、真空バッファ用の真空タ
ンク90に接続されている。67は真空度検知用検知器
である。真空タンク90内の構造は、内部が三室に分か
れていて、万一廃液が溜っても支障の無いように一,二
室は廃液用としている。
Next, the vacuum flow path will be described. The flow path has two flow paths of sample suction and wash water suction, the drain pipe is also divided into a sample drain pipe 64 and a wash water drain pipe 65, and the vacuum bottle is also the waste liquid buffer bottle 5.
8 and the washing liquid buffer bottle 59. 50-5
2 is a branch pipe for the flow path that is piped to each nozzle,
Reference numerals 55 to 57 and 60 to 63 are vacuum system control solenoid valves. 66 is a vacuum pump, which is connected to a vacuum tank 90 for a vacuum buffer. 67 is a detector for detecting the degree of vacuum. The structure inside the vacuum tank 90 is divided into three chambers, and one and two chambers are used for waste liquid so that there is no problem even if waste liquid is collected.

【0022】洗剤ノズル86から吐出される洗剤の流路
系を説明する。
The flow path system of the detergent discharged from the detergent nozzle 86 will be described.

【0023】給水ポンプ50(水圧約80kPa)から
のイオン交換水は一旦、脱気装置48内で脱気した後、
洗剤ボトル102から接続されている洗剤とが洗剤混合
装置49内で一定濃度の洗剤となる。46は洗剤吐出制
御用電磁弁である。42は洗剤用分岐管であり、ここか
ら洗剤ノズル86まで配管されている。この配管は内径
1mm,外径3mmのシリコンチューブである。
The ion-exchanged water from the water supply pump 50 (water pressure of about 80 kPa) is once deaerated in the deaeration device 48,
The detergent connected from the detergent bottle 102 becomes a detergent having a constant concentration in the detergent mixing device 49. Reference numeral 46 is a solenoid valve for controlling detergent discharge. Reference numeral 42 denotes a detergent branch pipe, which is piped from here to the detergent nozzle 86. This pipe is a silicon tube with an inner diameter of 1 mm and an outer diameter of 3 mm.

【0024】洗浄機構の一連の動作を説明する。A series of operations of the cleaning mechanism will be described.

【0025】真空ポンプ66が動作し、電磁弁62が閉
じた状態で真空タンク内の真空度が約−80kPa程度
に保たれている時に、洗浄機構14が反応容器31内に
下降と同時に電磁弁55,62が開けられサンプルの吸
引が行われ、一旦廃液バッファ瓶に溜められる。直後に
電磁弁55,60が閉められる。
When the vacuum pump 66 operates and the degree of vacuum in the vacuum tank is maintained at about -80 kPa with the solenoid valve 62 closed, the cleaning mechanism 14 descends into the reaction vessel 31 and the solenoid valve simultaneously. 55 and 62 are opened, the sample is sucked, and once stored in the waste liquid buffer bottle. Immediately after that, the solenoid valves 55 and 60 are closed.

【0026】次に電磁弁100が開けられ、洗剤混合装
置49からの洗剤が洗剤ノズル86より約600μl程
度吐出される。同時に給水ポンプ50からのイオン交換
水が、電磁弁43,45、分岐管40,41を通り給水
ノズル87,セルブランク給水ノズル88より、約70
0μl程度吐出される。吐出終了後43,45,100の
電磁弁が閉じられる。給水ノズル89はサンプル測定前
動作で実行する、吸引ノズル85先端に取付いているチ
ップ洗浄用のノズルで、通常の測定時は使用しない。電
磁弁44はノズル89給水用である。
Next, the solenoid valve 100 is opened, and the detergent from the detergent mixing device 49 is discharged from the detergent nozzle 86 by about 600 μl. At the same time, the ion-exchanged water from the water supply pump 50 passes through the solenoid valves 43 and 45, the branch pipes 40 and 41, and is supplied from the water supply nozzle 87 and the cell blank water supply nozzle 88 to about 70.
About 0 μl is ejected. After the end of discharge, the solenoid valves 43, 45, 100 are closed. The water supply nozzle 89 is a nozzle for tip cleaning attached to the tip of the suction nozzle 85, which is executed in the operation before sample measurement, and is not used during normal measurement. The solenoid valve 44 is for supplying water to the nozzle 89.

【0027】終了後、再度電磁弁55,60が開けられ
ここでも一旦、廃液バッファ瓶58に洗浄液が溜められ
る。更に電磁弁55,62が閉められると、電磁弁60
が開けられ、廃液バッファ瓶58に溜められたサンプル
及び洗浄液がサンプルドレインパイプ64を通り、装置
外に排出される。ここまでが終了するまでに、洗浄機構
14は反応容器31上に上昇し待機している。これら一
連の動作が繰返し行われる。
After the completion, the electromagnetic valves 55 and 60 are opened again, and the cleaning liquid is once stored in the waste liquid buffer bottle 58 also here. Further, when the solenoid valves 55 and 62 are closed, the solenoid valve 60
Is opened, and the sample and the cleaning liquid stored in the waste liquid buffer bottle 58 are discharged to the outside of the apparatus through the sample drain pipe 64. By the end of the steps so far, the cleaning mechanism 14 has risen above the reaction vessel 31 and is on standby. These series of operations are repeated.

【0028】図1は洗浄装置,洗浄ノズルの構成正面断
面図で、図2は洗剤ノズルの構成側面図である。
FIG. 1 is a front sectional view of the structure of a cleaning device and a cleaning nozzle, and FIG. 2 is a side view of the structure of a detergent nozzle.

【0029】この洗浄ノズルの構成としては、ノズル先
端の構成が異なる点である。
The structure of this cleaning nozzle is that the structure of the nozzle tip is different.

【0030】吸引ノズル81と洗剤ノズル86は、固定
パイプ121に挿入され、上下Bにて溶接封止する。1
23は図示していない洗浄機構上下用固定金具である。
The suction nozzle 81 and the detergent nozzle 86 are inserted into the fixed pipe 121, and welded and sealed at the upper and lower sides B. 1
Reference numeral 23 is a fixing member for the cleaning mechanism upper and lower, which is not shown.

【0031】固定パイプ121下端C部と、パイプ12
2を溶接固定する。パイプ122の内径は約4mm程度と
する。パイプの長さは吸引ノズル81下端より上方向に
1mmとし、パイプ122下端より洗剤ノズル86までも
1mmとする。
The lower end C of the fixed pipe 121 and the pipe 12
2 is fixed by welding. The inner diameter of the pipe 122 is about 4 mm. The length of the pipe is 1 mm above the lower end of the suction nozzle 81, and 1 mm from the lower end of the pipe 122 to the detergent nozzle 86.

【0032】以上のように構成することで、試料吸引後
洗剤が吐出するとパイプ122内に洗剤が満たされる。
With the above structure, when the detergent is discharged after the sample is sucked, the pipe 122 is filled with the detergent.

【0033】洗剤ノズル86に接続される流路は、分岐
管42を経て電磁弁100に接続されており、洗剤が吐
出された後は電磁弁100が閉じるため、洗浄ノズル1
20のパイプ122内の洗剤は滴下すること無く、液が
満たされたままとなる。
The flow path connected to the detergent nozzle 86 is connected to the solenoid valve 100 via the branch pipe 42. Since the solenoid valve 100 is closed after the detergent is discharged, the washing nozzle 1
The detergent in the pipe 122 of 20 remains filled with the liquid without dripping.

【0034】以上、本発明によれば、従来問題となって
いたサンプル測定中の反応容器への洗剤結晶滴下が解消
され、連続して正しい反応容器の洗浄、サンプル測定が
行われ、多項目,多検体を処理する大形自動分析装置に
適した洗浄装置となる。
As described above, according to the present invention, the dropping of the detergent crystals into the reaction container during the measurement of the sample, which has been a problem in the past, is eliminated, and the correct reaction container cleaning and sample measurement are continuously performed. The cleaning device is suitable for a large-scale automatic analyzer that processes multiple samples.

【0035】[0035]

【発明の効果】以上の説明で明らかなように、本発明に
よれば、サンプル測定中の反応容器への洗剤結晶滴下等
の弊害が無く安定した洗浄装置が実現出来、大形自動分
析装置の信頼性が著しく向上する。測定中の反応容器へ
の洗剤滴下によりデータ異常が発生し、再検するという
最悪事態が無くなり、メンテナンスフリーな装置とな
る。
As is apparent from the above description, according to the present invention, it is possible to realize a stable cleaning device without any harmful effects such as dropping of detergent crystals into the reaction vessel during sample measurement, and to realize a large automatic analyzer. The reliability is significantly improved. There is no worst case of re-inspection due to abnormal data due to the dropping of detergent into the reaction container during measurement, and the device becomes maintenance-free.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す洗浄装置の洗剤ノズル
の正面断面図である。
FIG. 1 is a front sectional view of a detergent nozzle of a cleaning device according to an embodiment of the present invention.

【図2】本発明の一実施例を示す洗浄装置の洗剤ノズル
の側面断面図である。
FIG. 2 is a side sectional view of a detergent nozzle of a cleaning device showing an embodiment of the present invention.

【図3】本発明の一実施例を示す洗浄装置の流路の構成
図である。
FIG. 3 is a configuration diagram of a flow path of a cleaning device showing an embodiment of the present invention.

【図4】本発明の一実施例を示す生化学自動分析装置の
全体構成図である。
FIG. 4 is an overall configuration diagram of a biochemical automatic analyzer showing one embodiment of the present invention.

【符号の説明】[Explanation of symbols]

14…洗浄装置、31…反応容器、40,41…分岐
管、42…洗剤分岐管、48…脱気装置、49…洗剤混
合装置、50…給水ポンプ、52…吸引分岐管、58…
廃液バッファ瓶、65…ドレインパイプ、66…真空ポ
ンプ、81,82,83,84,85…吸引ノズル、8
6…洗剤ノズル、87,88,120…洗浄ノズル、8
9…チップ洗浄ノズル、90…真空タンク、100…3
方電磁弁、101…大気開放パイプ、102…2方電磁
弁、103…洗剤、121…固定パイプ、122…パイ
プ、123…固定金具。
14 ... Washing device, 31 ... Reaction container, 40, 41 ... Branch pipe, 42 ... Detergent branch pipe, 48 ... Degassing device, 49 ... Detergent mixing device, 50 ... Water supply pump, 52 ... Suction branch pipe, 58 ...
Waste liquid buffer bottle, 65 ... Drain pipe, 66 ... Vacuum pump, 81, 82, 83, 84, 85 ... Suction nozzle, 8
6 ... Detergent nozzle, 87, 88, 120 ... Washing nozzle, 8
9 ... Tip cleaning nozzle, 90 ... Vacuum tank, 100 ... 3
One-way solenoid valve, 101 ... Atmosphere opening pipe, 102 ... Two-way solenoid valve, 103 ... Detergent, 121 ... Fixed pipe, 122 ... Pipe, 123 ... Fixing metal fitting.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】試料と試薬とを反応させる反応容器内の反
応液を測定した後、その反応容器内の液を排出し反応容
器内を洗浄する化学自動分析装置において、洗剤用ノズ
ルと試料吸引用ノズルを有する洗浄機構を設け、それら
のノズルを外側パイプ内に延在させ、これらのノズルと
外側パイプ内壁間に洗剤を満たし、この洗剤が満たされ
たままになる様に洗剤流路を閉じる弁を設けたことを特
徴とする化学自動分析装置。
1. A chemical automatic analyzer for measuring a reaction liquid in a reaction container for reacting a sample with a reagent, and then discharging the liquid in the reaction container to wash the inside of the reaction container. A cleaning mechanism having nozzles for extending the nozzles into the outer pipe, filling the space between these nozzles and the inner wall of the outer pipe with detergent, and closing the detergent flow path so that the detergent remains filled A chemical automatic analyzer characterized by having a valve.
JP11138493A 1993-05-13 1993-05-13 Automatic chemical analyzer Pending JPH06324053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11138493A JPH06324053A (en) 1993-05-13 1993-05-13 Automatic chemical analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11138493A JPH06324053A (en) 1993-05-13 1993-05-13 Automatic chemical analyzer

Publications (1)

Publication Number Publication Date
JPH06324053A true JPH06324053A (en) 1994-11-25

Family

ID=14559819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11138493A Pending JPH06324053A (en) 1993-05-13 1993-05-13 Automatic chemical analyzer

Country Status (1)

Country Link
JP (1) JPH06324053A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007038170A (en) * 2005-08-04 2007-02-15 Olympus Corp Nozzle cleaning device
JP2013210249A (en) * 2012-03-30 2013-10-10 Sysmex Corp Specimen analyzer
CN110226091A (en) * 2017-03-24 2019-09-10 株式会社日立高新技术 Automatic analysing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007038170A (en) * 2005-08-04 2007-02-15 Olympus Corp Nozzle cleaning device
JP2013210249A (en) * 2012-03-30 2013-10-10 Sysmex Corp Specimen analyzer
CN110226091A (en) * 2017-03-24 2019-09-10 株式会社日立高新技术 Automatic analysing apparatus
EP3605111B1 (en) * 2017-03-24 2023-10-11 Hitachi High-Tech Corporation Automated analyzer
CN110226091B (en) * 2017-03-24 2024-03-01 株式会社日立高新技术 Automatic analysis device

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