CN105945018A - Biochemical analyzer automatic cleaning method and device - Google Patents
Biochemical analyzer automatic cleaning method and device Download PDFInfo
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- CN105945018A CN105945018A CN201610479222.5A CN201610479222A CN105945018A CN 105945018 A CN105945018 A CN 105945018A CN 201610479222 A CN201610479222 A CN 201610479222A CN 105945018 A CN105945018 A CN 105945018A
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- cleaning
- waste
- waste liquid
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- container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
Abstract
The invention discloses a biochemical analyzer automatic cleaning method and device. The device comprises cleaning needles, waste liquid flow collection devices, waste liquid containers, a cleaning and flow dividing device, a cleaning water container, a cleaning liquid container, a backflow pipe and the like. The method comprises the steps that firstly, a reaction disc stops rotating, the cleaning needles descend to the bottoms of reaction cups, and liquid in the reaction cups is drained to the waste liquid container through the cleaning needles; secondly, the cleaning needles of the other stages except for the last two stages inject cleaning water into the reaction cups through cleaning flow dividing pipes, and the cleaning needle in the first stage injects the cleaning water into the reaction cup in the first stage through a cleaning liquid pipe; thirdly, the cleaning needles rise, and liquid in the cleaning flow dividing pipes flows to the cleaning water container backwards through the backflow pipe; and fourthly, a reaction disc rotates by a cup station. The method and device are low in cost, high in reliability and good in stability, in the cleaning process, risks of water dripping of the cleaning needles and water overflowing of the reaction cups are avoided, and therefore guarantee is provided for precise tests of a biochemical analyzer.
Description
Technical field
The present invention relates to the field that armarium cleans, particularly to a kind of biochemical instruments auto-cleaning method and
Device.
Background technology
In order to improve the testing efficiency of automatic biochemistry analyzer, reaction cup is all to recycle, and automatically gives birth to
Change instrument needs to arrange automatic clearing apparatus and is carried out reaction cup.After reactant liquor reacts in reaction cup,
Automatic clearing apparatus is controlled reactant liquor, cleanout fluid or pure water by fluid path and is sequentially arranged by several cleaning needles
Going out or enter reaction cup, to soak reaction cup, such circulation just can clean up reaction cup,
Until next time reaction cup injecting sample and reagent reacting after, what clean reaction cup may insure that reaction result can
Lean on, reduce cross-contamination.The cleaning needle quantity major part of the automatic clearing apparatus of present automatic biochemical analyzer
On 4 to 9 rank, the quantity of cleaning needle is the most, and its water consumed is the most, and it is the cleanest that reaction cup is just cleaned.
At present, fluid path be use shunting mode, rinse water one tunnel is divided into multichannel, with multiple cleanings
Pin connects one by one, is then injected in reaction cup.The length of the pipeline of multichannel, curvature is different from, as
Limiting without other components and parts, fluid path, finally in order to balance pressure, can cause part cleaning needle to drip, thus
Badly influence test result.And if all entered by arranging electromagnetic valve or check valve in each fluid path
Row limit, although it can make each fluid path be all independent, from without formed dropping liquid phenomenon, but
It is that each fluid path has been required for an electromagnetic valve or check valve, when the number of rinse water shunting is the most,
The number that electromagnetic valve or check valve need is the most, and the cost caused also can be the highest.Additionally, due to electromagnetic valve
Or the repeatability of check valve is high, if during the inlet and outlet pressure difference of each electromagnetic valve or check valve, will necessarily
Have influence on the difference of the cleaning water yield being injected in reaction cup, partial reaction cup finally can be caused to clean the water yield
Very few, partial reaction cup cleans the phenomenon of hypervolia, and rinse water likely overflows reaction cup, thus sternly
Ghost image rings test result.Additionally cleanout fluid all has certain corrosivity, its by electromagnetic valve time or list
All can have a certain impact when valve, after work a period of time, electromagnetic valve or check valve are probably due to quilt
Corrode and break down, cause cleaning needle to drip, thus affect the reliability of complete machine, the most also have one
There is the preferable electromagnetic valve of corrosion resistance and check valve, but the electromagnetic valve of these types and check valve ratio
More expensive, greatly add cost.
The information being disclosed in this background section is merely intended to increase the reason of the general background to the present invention
Solve, and be not construed as recognizing or imply in any form that this information structure is for this area general technology
Prior art well known to personnel.
Summary of the invention
It is an object of the invention to provide a kind of biochemical instruments auto-cleaning method and device, thus overcome existing
The use cost of biochemical instruments automatic clearing apparatus occur that greatly and easily cleaning needle drips and reaction cup spilling water
Shortcoming.
For achieving the above object, the invention provides a kind of biochemical instruments auto-cleaning method, wherein, including
Following steps: step one, the cleaning head of biochemical instruments is provided with at least quadravalence cleaning needle, described biochemical instruments
Reaction tray stop operating after proceed by cleaning；Described cleaning head drops all of described cleaning needle respectively
Lower at the bottom of the cup of corresponding reaction cup, all of described cleaning needle is respectively in corresponding described reaction cup
Liquid is by segregation of waste bank of tubes to waste fluid container；Step 2, except cleaning needle described in last two rank it
Outward, cleaning needle described in other rank is injected into rinse water from wash water container by cleaning isocon respectively
In corresponding described reaction cup；Meanwhile, the described cleaning needle on the first rank is held from cleanout fluid by cleanout fluid pipe
Device is injected into cleanout fluid in first described reaction cup；Step 3, rises all of described cleaning needle,
Then by return duct, the liquid refluence in all of described cleaning isocon is returned to described wash water container
In；And step 4, described reaction tray is rotated a cup position, one time cleaning process terminates.
Preferably, in technique scheme, the cleaning head of described biochemical instruments is provided with described in eight rank and cleans
Pin, and in step 2, make the described cleaning needle of second-order pass through cleanout fluid pipe from described cleanout fluid simultaneously
Container is injected into cleanout fluid in reaction cup described in second-order.
Preferably, in technique scheme, described cleaning isocon is U-shape, in step 3, returns
Flow tube needs the liquid level of the liquid in all of cleaning isocon to be drawn back into less than described cleaning isocon
Peak.
Preferably, in technique scheme, before step 4, first it is repeated at least once more step one to step
Rapid three.
Present invention also offers a kind of biochemical instruments automatic clearing apparatus, wherein, including: at least quadravalence cleans
This cleaning needle of pin, at least quadravalence is arranged on the cleaning head of biochemical instruments；Waste liquid current-collecting device, all of institute
State cleaning needle to be respectively attached with this waste liquid current-collecting device by a segregation of waste pipe；Waste fluid container, described
Waste liquid current-collecting device is attached with this waste fluid container by waste liquid house steward, and described waste liquid house steward is provided with
Tapping valve；This waste fluid container is connected with waste liquid resorption power set；Clean part flow arrangement, except last two
Outside cleaning needle described in rank, cleaning needle described in other rank is respectively by a cleaning isocon and this cleaning shunting dress
Put and be attached；Wash water container, its by one cleaning house steward be connected with described cleaning part flow arrangement, institute
State and be provided with one first water plug and on cleaning house steward and be positioned at described cleaning part flow arrangement and described the
Purge valve between one water plug；Soda liquor container, be connected with cleaning needle described in the first rank described clearly
Wash isocon to be attached with this soda liquor container by a cleanout fluid pipe, described cleanout fluid pipe is provided with
One second water plug；And return duct, its one end is attached with described wash water container；This backflow
The other end of pipe is connected with described cleaning house steward, and the other end of this return duct is positioned at described cleaning and shunts dress
Put between described purge valve；One the 3rd water plug and a reflux inlet it is provided with on this return duct.
Preferably, in technique scheme, described waste liquid resorption power set are for enter with described waste fluid container
The vacuum pump that row connects, described first water plug and the second water plug be suction pump, and the described 3rd
Water plug is circulating pump.
Preferably, in technique scheme, described cleaning head is provided with cleaning needle altogether described in eight rank.
Preferably, in technique scheme, the described cleaning isocon being connected with cleaning needle described in second-order
Also it is attached with described cleanout fluid pipe.
Preferably, in technique scheme, described waste liquid current-collecting device is two, and one of them is dense useless
Liquid current-collecting device, another is dilute waste liquid current-collecting device；Described waste fluid container is two, and one of them is
Dense waste fluid container, another is dilute waste fluid container；Described dense waste liquid current-collecting device passes through a described waste liquid
House steward is connected with described dense waste fluid container, and described dilute waste liquid current-collecting device passes through another described waste liquid house steward
It is connected with described dilute waste fluid container；Cleaning needle described in the first to three rank and the 8th rank is respectively by waste liquid described in
Isocon is connected with described dense waste liquid current-collecting device；Cleaning needle described in four to seven rank is respectively by useless described in one
Liquid isocon is connected with described dilute waste liquid current-collecting device.
Preferably, in technique scheme, described cleaning isocon is U-shape.
Compared with prior art, there is advantages that
1, the valve that the present invention uses is few, low cost, and reliability is high, and good stability, it is in cleaning process
By return duct, the liquid suck-back cleaned in isocon can be returned in wash water container, thus the most clear
Washing pin to drip and the risk of reaction cup spilling water, it can realize precisely test for biochemical instruments and provide guarantee.
2, the cleaning isocon of the present invention is U-shape, and return duct only need to be in all of cleaning isocon
The liquid level of liquid is drawn back into less than the peak cleaning isocon, and is not necessarily required to cleaning shunting
All liq in pipe is sucked back into wash water container such that it is able to save scavenging period, improves cleaning efficiency.
Accompanying drawing explanation
Fig. 1 is the flow chart according to biochemical instruments auto-cleaning method of the present invention.
Fig. 2 is the structural representation according to biochemical instruments automatic clearing apparatus of the present invention.
Main Reference Numerals illustrates:
1-reaction tray；2-cleaning needle；3-waste fluid container, 31-segregation of waste pipe, 32-waste liquid current-collecting device,
33-waste liquid house steward, 34-tapping valve, 35-waste liquid resorption power set；4-wash water container, 41-cleans and divides
Flow tube, 42-cleans part flow arrangement, 43-the first water plug, 44-purge valve, and 45-cleans house steward；5-is clear
Wash liquor vessel, 51-cleanout fluid pipe, 52-the second water plug；6-return duct, 61-the 3rd water plug, 62-
Reflux inlet.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that this
The protection domain of invention is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
Embodiment 1
Fig. 1 shows a kind of according to the preferred embodiment of the present invention biochemical instruments auto-cleaning method, its bag
Include following steps:
Step one, the cleaning head of biochemical instruments is provided with at least quadravalence cleaning needle, and the reaction tray of biochemical instruments is stopped
Cleaning is proceeded by after spline is dynamic；Cleaning head is lowered to all of cleaning needle the reaction cup of correspondence respectively
The cup end, all of cleaning needle is connected with waste fluid container by segregation of waste pipe, opens segregation of waste pipe with useless
After the connection of liquid container, waste fluid container forms vacuum by vacuum pump, just can make all of cleaning needle respectively
The liquid in corresponding reaction cup by segregation of waste bank of tubes to waste fluid container.
Step 2, in addition to last two rank cleaning needles, other rank cleaning needles are respectively by cleaning isocon
It is connected with wash water container, wash water container has been deposited deionized water；Close segregation of waste pipe and waste liquid
The connection of container, and open the connection cleaning isocon with wash water container, clean isocon by drawing water
Pump is injected into rinse water in the reaction cup of correspondence from wash water container.Meanwhile, with the cleaning on the first rank
The cleanout fluid pipe that pin connects is injected into first rank reaction cup cleanout fluid by suction pump from soda liquor container
In, enter after the rinse water of the first rank reaction cup mixes with cleanout fluid and the first rank reaction cup be carried out,
The reaction cup on last two rank is no longer necessary to inject rinse water and cleans, only need to be by segregation of waste pipe handle cup
Liquid absorbs cleanly, and the reaction cup on other rank is carried out by rinse water.
Step 3, rises all of cleaning needle, closes the connection of segregation of waste pipe and waste fluid container, and closes
Close cleaning isocon to connect with the direct of wash water container, then open all of cleaning isocon and backflow
The connection of pipe, return duct returns to rinse water by suction pump the liquid suck-back in all of cleaning isocon
In container, drip to prevent cleaning needle from occurring and reaction cup spilling water phenomenon.Preferably, cleaning isocon is U
Shape, return duct needs the liquid level of the liquid in all of cleaning isocon to be drawn back into less than cleaning shunting
The peak of pipe.Return duct only need to be drawn back into the liquid level of the liquid in all of cleaning isocon less than clear
Wash the peak of isocon, and be not necessarily required to all liq cleaned in isocon to be sucked back into clearly
Wash water container such that it is able to save scavenging period, improves cleaning efficiency, and saves cleanout fluid.
Step 4, rotates a cup position reaction tray, and one time cleaning process terminates, under then can carrying out
Cleaning process, when reaction cup is after the first rank move to last single order, and reaction cup is cleaned by the most completely
Totally.
Preferably, the cleaning head of biochemical instruments is provided with eight rank cleaning needles, and in step 2, makes simultaneously
The cleaning needle of second-order is also connected with cleanout fluid pipe, to be cleaned by cleanout fluid pipe handle from soda liquor container
Liquid is injected in second-order reaction cup such that it is able to make the reaction cup of the first rank and second-order all by cleaning
Liquid is carried out, to improve cleaning performance.It is further preferred that before step 4, first repeat at least
Step one, to step 3, repeats step one to step 3 during once cleaning, it is possible to
Improve cleaning performance further, to guarantee reaction cup to clean up, it is ensured that clean stability, thus be
Biochemical instruments realizes precisely test and provides guarantee.
More preferably, all of cleaning isocon can first be connected with cleaning part flow arrangement, cleans shunting dress
Put and be connected with wash water container by cleaning house steward again, and return duct one end is connected with cleaning house steward, another
End is connected with wash water container, in order to control returning of the liquid in all of cleaning isocon in step 3
Stream.The first to three rank and the 8th rank cleaning needle are respectively by a segregation of waste Guan Yuyi dense waste liquid current-collecting device even
Connecing, dense waste liquid current-collecting device is connected with dense waste fluid container by a waste liquid house steward again；Four to seven rank are cleaned
Pin is respectively connected with dilute waste liquid current-collecting device by a segregation of waste pipe, and dilute waste liquid current-collecting device gives up by one again
Liquid house steward is connected with dilute waste fluid container, in order in step one, dense waste liquid and dilute waste liquid are separately discharged,
Separately process to facilitate.
Embodiment 2
Fig. 2 shows a kind of according to the preferred embodiment of the present invention biochemical instruments automatic clearing apparatus, its bag
Include cleaning needle 2, waste liquid current-collecting device 32, waste fluid container 3, clean part flow arrangement 42, wash water container 4,
Soda liquor container 5 and return duct 6.
Being provided with at least quadravalence cleaning needle 2 on the cleaning head of biochemical instruments (scheme depending on), cleaning head is by lifting
Mechanism is arranged on the top of the reaction tray 1 of biochemical instruments.All of cleaning needle 2 is respectively by a segregation of waste pipe
31 are attached with waste liquid current-collecting device 32, and waste liquid current-collecting device 32 is held with waste liquid by waste liquid house steward 33
Device 3 is attached, and waste fluid container 3 is waste liquid tank, and waste liquid house steward 33 is provided with tapping valve 34, waste liquid
Container 3 is connected with waste liquid resorption power set 35, and waste liquid resorption power set 35 can control waste liquid to be held
Device 3 absorbs the liquid in all of reaction cup (figure does not regards) by segregation of waste pipe 31, with all of
Liquid in reaction cup is discharged to waste fluid container 3.Preferably, waste liquid resorption power set 35 are vacuum pump,
Waste fluid container 3 forms vacuum by vacuum pump, and all of cleaning needle 2 just can be made respectively corresponding
Liquid in reaction cup is discharged in waste fluid container 3 by segregation of waste pipe 31.
With continued reference to Fig. 2, in addition to last two rank cleaning needles 2, other rank cleaning needles 2 are respectively clear by one
Wash isocon 41 and be attached with cleaning part flow arrangement 42.Wash water container 4 is water tank, cleans the water capacity
Device 4 internal memory is placed with rinse water, and rinse water is deionized water, and wash water container 4 is by a cleaning house steward 45
Be attached with cleaning part flow arrangement 42, clean be provided with on house steward 45 one first water plug 43 and
One in the purge valve 44 cleaned between part flow arrangement 42 and the first water plug 43.First water plug
43 is suction pump, opens purge valve 44, and the first water plug 43 is operated just can be total by cleaning
Rinse water extracted from wash water container 4 out by pipe 45, from cleaning the house steward 45 cleaned shunting of out rinse water
Cleaned isocon 41 by each after device 42 shunting and flow to each cleaning needle 2, so that reaction cup to be carried out clearly
Wash.
With continued reference to Fig. 2, soda liquor container 5 is cleaning fluid tank, has deposited cleanout fluid in soda liquor container 5,
The cleaning isocon 41 being connected with the first rank cleaning needle 2 is by a cleanout fluid pipe 51 and soda liquor container 5
Being attached, cleanout fluid pipe 51 is provided with one second water plug 52, the second water plug 52 is also
Suction pump, when the first rank cleaning needle 41 is toward conveying rinse water in corresponding reaction cup, the second water plug
52 are operated, to be transported to and the first rank by the cleanout fluid in 51 soda liquor containers 5 of cleanout fluid pipe
In the cleaning isocon 41 that cleaning needle 2 connects, cleanout fluid and rinse water carry out being sufficiently mixed and dilute in pipe
Enter after releasing in the first rank reaction cup and be carried out.Preferably, with continued reference to Fig. 2, cleaning head is arranged altogether
Having eight rank cleaning needles 2, cleaning needle 2 is followed successively by one to eight rank from left to right.It is further preferred that with second
The cleaning isocon 41 that rank cleaning needle 2 is connected also is attached with cleanout fluid pipe 51 such that it is able to clear
The reaction cup on the first rank and second-order is carried out by washing liquid, to improve cleaning performance.The most preferred
Ground, waste liquid current-collecting device 32 is two, and one of them is dense waste liquid current-collecting device, and another is dilute waste liquid
Current-collecting device；Waste fluid container 3 is also two, and one of them is dense waste fluid container, and another is dilute waste liquid
Container.Dense waste liquid current-collecting device is connected with dense waste fluid container by a waste liquid house steward 33, dilute waste liquid afflux
Device is connected with dilute waste fluid container by another waste liquid house steward 33, and the first to three rank and the 8th rank are cleaned
Pin 2 is respectively connected with dense waste liquid current-collecting device by a segregation of waste pipe 31；Four to seven rank cleaning needle 2 is each
It is connected with dilute waste liquid current-collecting device by a segregation of waste pipe 31.Due in the first rank and second-order reaction cup
It is passed through cleanout fluid to clean, therefore the strength of fluid after cleaning in the first rank to the 3rd rank reaction cup is higher, the
Strength of fluid after cleaning in the reaction cup on four to seven rank is relatively low, by arranging two waste fluid containers 3 and two
Individual waste liquid current-collecting device 32 can separately discharge dense waste liquid and dilute waste liquid, separately locates to facilitate
Reason.
With continued reference to Fig. 2, one end of return duct 6 is attached with wash water container 4, return duct 6 another
One end is connected with cleaning house steward 45, and the other end of return duct 4 is positioned at cleaning part flow arrangement 42 and cleans
Between valve 44, return duct 6 being provided with one the 3rd water plug 61 and a reflux inlet 62, the 3rd takes out
Water device 61 is circulating pump.After liquid is transported in reaction cup, rises cleaning needle 2, open simultaneously
Reflux inlet 62, cuts out purge valve 44 and tapping valve 34, and the 3rd water plug 61 is operated just can be institute
There is the liquid cleaned in isocon 41 to be drawn back in wash water container 4, drip preventing cleaning needle 2
With reaction cup spilling water phenomenon.Preferably, cleaning isocon 41 is U-shape, cleans isocon 41 and turns
Top higher than cleaning needle 2 and wash water container 4.Return duct 6 only need to be all of cleaning isocon 41
The liquid level of interior liquid is drawn back into less than the peak cleaning isocon 41, and is not necessarily required to clear
Wash all liq in isocon 41 and be sucked back into wash water container 4 such that it is able to save scavenging period, carry
High cleaning efficiency.
A kind of biochemical instruments automatic clearing apparatus of the present invention is in carrying out a cleaning process:
First, after reaction tray 1 rotate in place and stops, proceeding by cleaning, by cleaning head all
Cleaning needle 2 be lowered to respectively, at the bottom of the cup of corresponding reaction cup, close purge valve 44 and reflux inlet 62,
And open outflow valve 34, waste liquid resorption power set 35 are operated, with shape in two waste fluid containers 3
Becoming the vacuum of certain pressure, all cleaning needles 2 are just drawn onto segregation of waste pipe 31 the waste liquid in reaction cup,
Waste liquid enters in waste fluid container 3 after waste liquid current-collecting device 32 and waste liquid house steward 33.First rank are anti-
Answering the liquid in cup is reactant liquor, and the liquid in second-order and the 3rd rank is the cleanout fluid after dilution, the 4th
The liquid on rank to the 7th rank is deionized water, the liquid row in the reaction cup on the first to the 3rd rank and the 8th rank
Entering in dense waste fluid container, the liquid in the reaction cup on the four to seven rank is drained in dilute waste fluid container,
Dense waste fluid container and dilute waste fluid container provide power by waste liquid resorption power set 35 eventually, are discharged by waste liquid
Go, to focus on.
Then, after the liquid in reaction cup is all siphoned away discharge, close tapping valve 34, waste liquid resorption
Power set 35 and reflux inlet 62, open purge valve 44, and the first water plug 43 and second draws water dress
Put 52 to be operated, thus deionized water is injected in the reaction cup on one to six rank, and cleanout fluid is noted
Enter in the reaction cup of one to second order, each reaction cup to be carried out the cleaning in corresponding stage.
Then, after the liquid injected in each reaction cup arrives and specifies liquid level, purge valve is closed
44, the first water plug 43 and the second water plug 52, then rise all of cleaning needle 2 by cleaning head,
And open reflux inlet 62 and the 3rd water plug 61, so that the liquid cleaned in isocon 41 is drawn back into clearly
In wash water container 4.During resorption, it is necessary to make rinse water resorption cross the peak cleaning isocon 41, protect
Demonstrate,prove after balance pressure, every pipeline all without exceeding the bending part of peak, owing to cleaning during resorption
Valve 44 and the second water plug 52 are turned off, and there will be no cleanout fluid out and flow to wash water container 4
In, also reflux inlet 62 will not be produced corrosion.The present invention, selector valve when, selects rapid response type,
This valve port footpath is less, and CV value also can be relatively small, and concordance and reliability are preferable.3rd draws water dress
The drawing liquid ability of the circulating pump putting 61 employings can not be too strong, can not be the least, the speed of the resorption of circulating pump
The speed of pipeline to be exceeded balance, crosses peak by rinse water resorption within the regular hour.The method is led to
Spend the opening time controlling each valve by liquid measure certain for all water resorptions cleaned in shunting road 41, it is ensured that
Pipeline does not have after peak water remaining, thus without again because producing after pressure equalization process occurs
Situation about dripping.
Finally, in order to improve cleaning performance, can above steps may be repeated multiple times, after cleaning completes, raw
The reaction tray 1 changing instrument rotates a cup position, and one time cleaning process just terminates, the most clear to proceed by
Washed journey.Reaction cup, after the first cup position, rank moves to last single order cup position, just can be cleaned.
The reliability of the negligible amounts of the valve that the present invention uses, its low cost, and the present invention is high, stability
Good, it can be returned to clearly by the liquid suck-back that return duct 6 cleans in isocon 41 in cleaning process
In wash water container 4, thus cleaning needle 2 is not had to drip and the risk of reaction cup spilling water, with can be for biochemistry
Instrument realizes precisely test and provides guarantee.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.
These descriptions are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned
Teaching, can much change and change.The purpose selected exemplary embodiment and describe exists
In explaining the certain principles of the present invention and actual application thereof, so that those skilled in the art can be real
Now and utilize the various different exemplary of the present invention and various different selection and change.
The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (10)
1. a biochemical instruments auto-cleaning method, it is characterised in that comprise the following steps:
Step one, the cleaning head of biochemical instruments is provided with at least quadravalence cleaning needle, the reaction of described biochemical instruments
Dish proceeds by cleaning after stopping operating；It is right that described cleaning head is lowered to all of described cleaning needle respectively
At the bottom of the cup of the reaction cup answered, all of described cleaning needle leads to the liquid in corresponding described reaction cup respectively
Cross segregation of waste bank of tubes in waste fluid container；
Step 2, in addition to cleaning needle described in last two rank, cleaning needle described in other rank is respectively by clear
Wash isocon rinse water to be injected in the described reaction cup of correspondence from wash water container；Meanwhile, first
The described cleaning needle on rank is injected into cleanout fluid described in the first rank anti-by cleanout fluid pipe from soda liquor container
Answer in cup；
Step 3, is risen all of described cleaning needle, then by return duct, all of described cleaning is divided
Liquid in flow tube flows backwards and returns in described wash water container；And
Step 4, rotates a cup position described reaction tray, and one time cleaning process terminates.
Biochemical instruments auto-cleaning method the most according to claim 1, it is characterised in that described biochemistry
It is provided with cleaning needle described in eight rank on the cleaning head of instrument, and in step 2, makes the described of second-order simultaneously
Cleaning needle is injected into second-order described in reaction cup cleanout fluid by cleanout fluid pipe from described soda liquor container
In.
Biochemical instruments auto-cleaning method the most according to claim 1, it is characterised in that described cleaning
Isocon is U-shape, and in step 3, return duct needs the liquid in all of cleaning isocon
Liquid level is drawn back into the peak less than described cleaning isocon.
Biochemical instruments auto-cleaning method the most according to claim 1, it is characterised in that in step 4
Before, step one first it is repeated at least once more to step 3.
5. a biochemical instruments automatic clearing apparatus, it is characterised in that including:
At least this cleaning needle of quadravalence cleaning needle, at least quadravalence is arranged on the cleaning head of biochemical instruments；
Waste liquid current-collecting device, all of described cleaning needle is respectively filled with this waste liquid afflux by a segregation of waste pipe
Put and be attached；
Waste fluid container, described waste liquid current-collecting device is attached with this waste fluid container by waste liquid house steward, institute
State and be provided with tapping valve on waste liquid house steward；This waste fluid container is connected with waste liquid resorption power set；
Cleaning part flow arrangement, in addition to cleaning needle described in last two rank, cleaning needle described in other rank is each logical
Cross a cleaning isocon to be attached with this cleaning part flow arrangement；
Wash water container, its by one cleaning house steward be connected with described cleaning part flow arrangement, described cleaning is total
It is provided with one first water plug and on pipe to be positioned at described cleaning part flow arrangement and draw water dress with described first
Purge valve between putting；
Soda liquor container, the described cleaning isocon being connected with cleaning needle described in the first rank passes through a cleanout fluid
Pipe is attached with this soda liquor container, and described cleanout fluid pipe is provided with one second water plug；And
Return duct, its one end is attached with described wash water container；The other end of this return duct is with described
Clean house steward to connect, and the other end of this return duct be positioned at described cleaning part flow arrangement and described purge valve it
Between；One the 3rd water plug and a reflux inlet it is provided with on this return duct.
Biochemical instruments automatic clearing apparatus the most according to claim 5, it is characterised in that described waste liquid
Resorption power set are the vacuum pump being attached with described waste fluid container, described first water plug and
Two water plugs are suction pump, and described 3rd water plug is circulating pump.
Biochemical instruments automatic clearing apparatus the most according to claim 5, it is characterised in that described cleaning
Cleaning needle described in eight rank it is provided with altogether on head.
Biochemical instruments automatic clearing apparatus the most according to claim 7, it is characterised in that with second-order
The described cleaning isocon that described cleaning needle is connected also is attached with described cleanout fluid pipe.
Biochemical instruments automatic clearing apparatus the most according to claim 8, it is characterised in that described waste liquid
Current-collecting device is two, and one of them is dense waste liquid current-collecting device, and another is dilute waste liquid current-collecting device；
Described waste fluid container is two, and one of them is dense waste fluid container, and another is dilute waste fluid container；Described
Dense waste liquid current-collecting device is connected with described dense waste fluid container by a described waste liquid house steward, described dilute waste liquid
Current-collecting device is connected with described dilute waste fluid container by another described waste liquid house steward；The first to three rank and
Cleaning needle described in eight rank is respectively connected with described dense waste liquid current-collecting device by segregation of waste pipe described in；4th
Respectively it is connected with described dilute waste liquid current-collecting device by segregation of waste pipe described in cleaning needle described in seven rank.
Biochemical instruments automatic clearing apparatus the most according to claim 5, it is characterised in that described cleaning
Isocon is U-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479222.5A CN105945018B (en) | 2016-06-23 | 2016-06-23 | A kind of biochemical instruments auto-cleaning method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479222.5A CN105945018B (en) | 2016-06-23 | 2016-06-23 | A kind of biochemical instruments auto-cleaning method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105945018A true CN105945018A (en) | 2016-09-21 |
| CN105945018B CN105945018B (en) | 2018-11-20 |
Family
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| CN201610479222.5A Active CN105945018B (en) | 2016-06-23 | 2016-06-23 | A kind of biochemical instruments auto-cleaning method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114062226A (en) * | 2020-07-31 | 2022-02-18 | 深圳市帝迈生物技术有限公司 | Liquid path device and sample analyzer |
| CN114669565A (en) * | 2022-03-25 | 2022-06-28 | 杭州奥盛仪器有限公司 | Waste liquid treatment system and treatment method |
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| CN105945018B (en) | 2018-11-20 |
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