CN104111326A - Negative pressure waste liquid system, biochemical analyzer, and waste liquid discharge method - Google Patents
Negative pressure waste liquid system, biochemical analyzer, and waste liquid discharge method Download PDFInfo
- Publication number
- CN104111326A CN104111326A CN201310131759.9A CN201310131759A CN104111326A CN 104111326 A CN104111326 A CN 104111326A CN 201310131759 A CN201310131759 A CN 201310131759A CN 104111326 A CN104111326 A CN 104111326A
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- waste
- negative pressure
- waste liquid
- pipe
- interface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
Abstract
The invention discloses a negative pressure waste liquid system, a biochemical analyzer, and a waste liquid discharge method. The negative pressure waste liquid system comprises a waste liquid washing tank, a negative pressure system, a waste liquid pump, and an enclosed waste liquid container. The waste liquid container is provided with a first port, a second port, and a third port which is arranged in the bottom surface of the waste liquid container. The first port is connected to the waste liquid washing tank through a first pipeline. The second port is connected to the negative pressure system through a second pipeline. The third port is connected to the waste liquid pump through a third pipeline. In the gravity direction, the first pipeline opening and the second pipeline opening are both higher than the third pipeline opening. The waste liquid generated during the washing process is sucked into the waste liquid container through the negative pressure and then is directly absorbed by the waste liquid pump arranged under the bottom of the waste liquid container, thus the aggregation, splashing, and foaming of the waste liquid in the waste liquid container are effectively avoided or even eliminated, the possibility that waste liquid enters the negative system is reduced or evenly avoided, and the negative pressure system is protected.
Description
Technical field
The application can discharge about a kind of the negative pressure liquid waste system that cleans waste liquid, especially about a kind of negative pressure liquid waste system for biochemical analyzer.
Background technology
At immunoassay instrument, in the time that the execution units such as sampling needle are cleaned, can produce a certain amount of waste liquid.In order to improve the discharge efficiency of waste liquid, and reduce the residual of waste liquid, generally adopt negative pressure to draw these and clean the waste liquid producing.But, in negative pressure aspiration procedure, these clean the waste liquid producing and are easily directly drawn in negative pressure system, may damage the pneumatic element in negative pressure system (such as negative pressure pump, negative pressure valve, air vent valve etc.), and when these waste liquids are in the time that the outlet of negative pressure system is discharged from, easily cause the pollution of environment.
Summary of the invention
The invention provides a kind of negative pressure liquid waste system, biochemical analyzer and the discharging of waste liquid method that can protect negative pressure system.
The invention provides a kind of negative pressure liquid waste system, comprise cleaning waste liquid pool, negative pressure system, the waste fluid container of waste drains pump and sealing, described waste fluid container comprises perisporium, seal the roof at top of described perisporium and the diapire of the bottom of the described perisporium of sealing, described waste fluid container is provided with first interface, the second interface and be positioned at the 3rd interface of diapire, described first interface is communicated with described cleaning waste liquid pool by first pipeline with first mouth of pipe, described the second interface is communicated with described negative pressure system by the second pipe with second mouth of pipe, described the 3rd interface is communicated with described waste drains pump by the 3rd pipeline with the 3rd mouth of pipe, on gravity direction, described first mouth of pipe and second mouth of pipe are all higher than described the 3rd mouth of pipe, described negative pressure system provides negative pressure to described waste fluid container by described second pipe, waste liquid in described cleaning waste liquid pool is flowed in described waste fluid container by described the first pipeline under negative pressure suction, described waste drains pump is taken the waste liquid in described waste fluid container away by described the 3rd pipeline.
On described gravity direction, described first mouth of pipe is lower than described second mouth of pipe.
Described first interface is located at described roof or perisporium, described the second interface is located at described roof or perisporium, described the first pipeline passes described first interface and stretches in described waste fluid container, the contiguous described diapire of first mouth of pipe of described the first pipeline, the contiguous described roof of second mouth of pipe of described second pipe.
Described first interface is located at described roof, and described second mouth of pipe is positioned at the inside of described the second interface, and described the 3rd mouth of pipe is positioned at the inside of described the 3rd interface.
Described the first pipeline comprises the mozzle with described first mouth of pipe, and described mozzle and described first interface are fixing also to be stretched in described waste fluid container straight down.
Described the second interface can be located at described perisporium.Described the second interface also can be located at described roof, and second pipe also can have vertical mozzle, and described mozzle and described the second interface are fixing also to be stretched into downwards in waste fluid container.
In order to realize better discharging of waste liquid effect, described the 3rd interface can be located at the lowest part of described diapire.
In described the first pipeline, second pipe and the 3rd pipeline, one of be at least provided with the solenoid valve for the control of pipeline break-make.As, first, second and third pipeline all arranges solenoid valve.
Described cleaning waste liquid pool, the first pipeline and first interface all have multiple (at least two) also corresponding one by one.When the first pipeline has when multiple, solenoid valve all can be set on each the first pipeline.
A kind of biochemical analyzer, comprises described negative pressure liquid waste system.
A kind of discharging of waste liquid method, comprises the steps: a) waste fluid container to be connected with cleaning waste liquid pool, negative pressure system and waste drains pump respectively; B) by the negative pressure suction of described negative pressure system, the waste liquid in described cleaning waste liquid pool is drawn in described waste fluid container; Meanwhile, by described waste drains pump, the waste liquid in described waste fluid container is taken away.
The flow of described waste drains pump suction waste liquid is not less than the flow of described negative pressure system suction waste liquid.
The invention has the beneficial effects as follows: clean the waste liquid producing and be drawn in waste fluid container by negative pressure; and the waste drains pump that is positioned at waste fluid container diapire is directly taken away; thereby effectively reduce or avoided the gathering of waste liquid in waste fluid container, splash and bubble; reduce or avoided waste liquid to enter the possibility in negative pressure system, and then effectively protecting negative pressure system to exempt from damage.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present embodiment negative pressure liquid waste system.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
In one embodiment, as shown in Figure 1, a kind of negative pressure liquid waste system, can be applied to biochemical analyzer, comprises the waste fluid container 4, negative pressure system 6 and the waste drains pump 5 that clean waste liquid pool 1, sealing.Cleaning waste liquid pool 1 can clean execution units such as sampling needles.Waste fluid container 4 has perisporium 41, seal this perisporium 41 top roof 42 and seal the diapire 43 of the bottom of this perisporium 41.Waste fluid container 4 has first interface 44, the second interface 45 and is located at the 3rd interface 46 of diapire 43, first interface 44 is connected and is cleaned waste liquid pool 1 by the first pipeline 7, the second interface 45 connects negative pressure system 6, the three interfaces 46 by second pipe 8 and connects waste drains pump 5 by the 3rd pipeline 9.The waste liquid cleaning in waste liquid pool 1 flows in waste fluid container 4 by first mouth of pipe 71 of the first pipeline 7.Negative pressure system 6 is drawn into the waste liquid cleaning in waste liquid pool in waste fluid container 4 by second mouth of pipe 81 of second pipe 8.Waste drains pump 5 is taken the waste liquid in waste fluid container away by the 3rd mouth of pipe 91 of the 3rd pipeline 9.
On gravity direction, first mouth of pipe 71 and second mouth of pipe 81 are all higher than the 3rd mouth of pipe 91.General, first mouth of pipe 71 is as far as possible low, as first mouth of pipe 71 approaches the diapire 43 of waste fluid container as far as possible; Second mouth of pipe 81 is as far as possible high, as second mouth of pipe 81 approaches the roof 42 of waste fluid container as far as possible.The 3rd mouth of pipe 91 can be positioned at the lowest part of diapire 43.The shape of diapire, roof and perisporium and size specific design as requested.
When work, negative pressure system 6 provides negative pressure to waste fluid container 4 by second pipe 8, under negative pressure suction, the waste liquid cleaning in waste liquid pool 1 is drawn in waste fluid container by the first pipeline 7, meanwhile, waste drains pump 5 is taken the waste liquid in waste fluid container away by the 3rd pipeline 9.
Be sucked into the waste liquid in waste fluid container, taken away by waste drains pump timely, reduce or avoid the gathering of waste liquid in waste fluid container, bubble or splash, reduced the possibility that waste liquid enters negative pressure system.
In another kind of embodiment, as shown in Figure 1, negative pressure liquid waste system comprises the waste fluid container 4, negative pressure system 6 and the waste drains pump 5 that clean waste liquid pool 1, sealing.Waste fluid container 4 has perisporium 41, roof 42 and diapire 43, and roof 42 is provided with first interface 44, and perisporium 41 is provided with the second interface 45, and diapire 43 is provided with the 3rd interface 46.First interface 44 connects by the first pipeline 7 bottom of cleaning waste liquid pool 1, the first pipeline 7 comprises the mozzle 3 with first mouth of pipe 71, this mozzle 3 is vertically fixed on first interface 44 and stretches into downwards in waste fluid container, and this first mouth of pipe 71 approaches the diapire 43 of waste fluid container as far as possible.Second pipe 8 has second mouth of pipe 81, and this second mouth of pipe 81 is positioned at the inside of the second interface 45.The 3rd pipeline 9 has the 3rd mouth of pipe 91, the three mouths of pipe 91 and is positioned at the inside of the 3rd interface 46.On gravity direction, first mouth of pipe 71 and second mouth of pipe 81 are all higher than the 3rd mouth of pipe 91, and first mouth of pipe 71 is lower than second mouth of pipe 81.
In addition, the first pipeline 7 is also provided with the solenoid valve 2 for the control of pipeline break-make.
In the time that the execution units such as sampling needle clean in cleaning waste liquid pool, solenoid valve 2 and waste drains pump 5 are held open, and negative pressure system 6 continues suction waste fluid container 4 simultaneously.The powerful suction flow providing due to negative pressure system 6, ensure that waste fluid container 4 is to cleaning the pumping efficiency of waste liquid pool 1, the waste liquid cleaning in waste liquid pool can be discharged rapidly, like this, when cleaning waste liquid from cleaning waste liquid pool is discharged from, negative pressure system, by direct suck purge waste liquid pool, produces the air-flow of larger flow, to siphon away the extension liquid of sampling needle outer wall; The effect of mozzle is waste liquid to import to the bottom of waste fluid container, goes out the speed of mozzle, while directly impacting the diapire of waste fluid container, easily produces and splash and a large amount of foams when waste liquid, makes these waste liquids that splash may be inhaled into negative pressure system; By connecting the 3rd pipeline and waste drains pump of waste fluid container diapire, can be diversed during to waste fluid container diapire at waste liquid, siphoned away by waste drains pump at once, and then reduce or avoid the waste liquid splashing to be inhaled into negative pressure system.
For negative pressure liquid waste system, as shown in Figure 1, a waste fluid container 4 can connect multiple cleaning waste liquid pools 1 simultaneously, each clean waste liquid pool all by with its one to one the first pipeline 7 be connected with waste fluid container, now, first interface is also multiple to having, and solenoid valve also can be all set on each the first pipeline.
For negative pressure liquid waste system, each pipeline is corresponding one by one with interface, and the mouth of pipe of pipeline and interface have two kinds of position relationships, and a kind of is the inside (as second mouth of pipe 81 of Fig. 1 and the 3rd mouth of pipe 91) that the mouth of pipe is arranged in corresponding interface; A kind of inside that is the mouth of pipe stretches into waste fluid container be arranged in the outside (as the first interface 71 of Fig. 1) of corresponding interface.
For waste fluid container, first interface is located at the roof of waste fluid container, and this first pipeline can be connected with this first interface by vertical mozzle; Certainly, first interface also can be located at the perisporium of waste fluid container.The second interface can be located at the perisporium of waste fluid container; Certainly, the second interface also can be located at the roof of waste fluid container, this second pipe can be connected with this second interface by vertical mozzle, guarantee the second interface not by liquid level submergence and can take out negative pressure, the top that makes negative pressure system can aspirate waste fluid container, also can reduce or avoid sucking waste liquid.
For waste fluid container, the 3rd pipeline that connects waste fluid container and waste drains pump can be provided for the solenoid valve of break-make control, can avoid like this negative pressure system directly oppositely to aspirate waste drains pump, causes the damage of waste drains pump.The second pipe that connects waste fluid container and negative pressure system also can arrange solenoid valve.
For waste fluid container, it can be applied to biochemical analyzer, as immunoassay instrument.
A kind of waste liquid discharge method, is applied to biochemical analysis field, can carry out the gas-liquid separation of greater efficiency, it is the negative pressure suction force by negative pressure system, the waste liquid cleaning in waste liquid pool is drawn into waste fluid container,, by waste drains pump, the waste liquid in waste fluid container is taken away in time meanwhile.General, the suction flow of negative pressure system can be less than or equal to the suction flow of waste drains pump.
For this negative pressure liquid waste system and waste liquid discharge method, be particularly suitable for being applied in the system that the requirement of waste liquid suction capactity is high, cleaning waste liquid pool waste liquid amount clean-out system large, that cleaning is used easily bubbles.In the time that waste liquid suction capactity is less demanding, negative pressure system can be set lower vacuum degree, like this, what the waste liquid in cleaning waste liquid pool can relax gathers in waste fluid container, when waste liquid gathers when a certain amount of, discharge the negative pressure in waste fluid container, waste liquid can pass through gravity, from the waste liquid solenoid valve of waste fluid container bottom, discharges.But in some occasion, negative pressure liquid waste system need to be rapidly siphon away the waste liquid cleaning in waste liquid pool, and provide larger airshed that the drop remaining in sampling needle and service sink runner is blotted siphoning away after waste liquid; In such cases, the waste liquid flow velocity in the first pipeline is fast, and waste liquid will produce and splash at waste fluid container diapire, and then likely enter negative pressure system, in the time that waste liquid amount is very large, and this splashing more obvious; In addition, if the clean-out system activity that cleaning is used is high, cleans the waste liquid producing and be easy to produce foam, if these foams can not be discharged from once, be easy to grow up in waste fluid container, and negative suction system; By system and method provided by the invention, can be real-time relatively large waste liquid, foam are directly siphoned away.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (10)
1. a negative pressure liquid waste system, comprise and clean waste liquid pool and negative pressure system, it is characterized in that, also comprise the waste fluid container of waste drains pump and sealing, described waste fluid container comprises perisporium, seal described perisporium top roof and seal the diapire of the bottom of described perisporium, described waste fluid container is provided with first interface, the second interface and be positioned at the 3rd interface of diapire, described first interface is communicated with described cleaning waste liquid pool by first pipeline with first mouth of pipe, described the second interface is communicated with described negative pressure system by the second pipe with second mouth of pipe, described the 3rd interface is communicated with described waste drains pump by the 3rd pipeline with the 3rd mouth of pipe, on gravity direction, described first mouth of pipe and second mouth of pipe are all higher than described the 3rd mouth of pipe, described negative pressure system provides negative pressure to described waste fluid container by described second pipe, waste liquid in described cleaning waste liquid pool is flowed in described waste fluid container by described the first pipeline under negative pressure suction, described waste drains pump is taken the waste liquid in described waste fluid container away by described the 3rd pipeline.
2. negative pressure liquid waste system as claimed in claim 1, is characterized in that, on described gravity direction, described first mouth of pipe is lower than described second mouth of pipe.
3. negative pressure liquid waste system as claimed in claim 2, it is characterized in that, described first interface is located at described roof or perisporium, described the second interface is located at described roof or perisporium, described the first pipeline passes described first interface and stretches in described waste fluid container, the contiguous described diapire of first mouth of pipe of described the first pipeline, the contiguous described roof of second mouth of pipe of described second pipe.
4. negative pressure liquid waste system as claimed in claim 3, is characterized in that, described first interface is located at described roof, and described second mouth of pipe is positioned at the inside of described the second interface, and described the 3rd mouth of pipe is positioned at the inside of described the 3rd interface.
5. negative pressure liquid waste system as claimed in claim 1, is characterized in that, described the 3rd interface is located at the lowest part of described diapire.
6. negative pressure liquid waste system as claimed in claim 1, is characterized in that, one of is at least provided with the solenoid valve for the control of pipeline break-make in described the first pipeline, second pipe and the 3rd pipeline.
7. negative pressure liquid waste system as claimed in claim 1, is characterized in that, described cleaning waste liquid pool, the first pipeline and first interface all have multiple and corresponding one by one.
8. a biochemical analyzer, is characterized in that, comprises the negative pressure liquid waste system described in any one in claim 1-7.
9. a discharging of waste liquid method, is characterized in that, comprises the steps:
A) waste fluid container is connected with cleaning waste liquid pool, negative pressure system and waste drains pump respectively;
B) by the negative pressure suction of described negative pressure system, the waste liquid in described cleaning waste liquid pool is drawn in described waste fluid container; Meanwhile, by described waste drains pump, the waste liquid in described waste fluid container is taken away.
10. discharging of waste liquid method as claimed in claim 9, is characterized in that, the flow of described waste drains pump suction waste liquid is not less than the flow of described negative pressure system suction waste liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310131759.9A CN104111326A (en) | 2013-04-16 | 2013-04-16 | Negative pressure waste liquid system, biochemical analyzer, and waste liquid discharge method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310131759.9A CN104111326A (en) | 2013-04-16 | 2013-04-16 | Negative pressure waste liquid system, biochemical analyzer, and waste liquid discharge method |
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| CN104111326A true CN104111326A (en) | 2014-10-22 |
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| CN201310131759.9A Pending CN104111326A (en) | 2013-04-16 | 2013-04-16 | Negative pressure waste liquid system, biochemical analyzer, and waste liquid discharge method |
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| WO2017008248A1 (en) * | 2015-07-14 | 2017-01-19 | 深圳迈瑞生物医疗电子股份有限公司 | Liquid discharge system and sample analyzer |
| WO2019127561A1 (en) * | 2017-12-30 | 2019-07-04 | 深圳迈瑞生物医疗电子股份有限公司 | Waste liquid treatment device, method, and sample analyzer |
| WO2019127560A1 (en) * | 2017-12-30 | 2019-07-04 | 深圳迈瑞生物医疗电子股份有限公司 | Waste liquid pool, waste liquid treatment apparatus, and sample analyzer |
| CN109991430A (en) * | 2017-12-30 | 2019-07-09 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyser and method of sample analysis |
| CN110187138A (en) * | 2019-07-02 | 2019-08-30 | 安图实验仪器(郑州)有限公司 | Sample needle cleaning solution drainage system for in-vitro diagnosis equipment |
| CN112683887A (en) * | 2021-03-19 | 2021-04-20 | 苏州长光华医生物医学工程有限公司 | Device and method for discharging and drying waste liquid of chemiluminescence instrument |
| CN114113004A (en) * | 2020-08-28 | 2022-03-01 | 深圳市帝迈生物技术有限公司 | Waste liquid treatment method and device and sample analyzer |
| CN114778814A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Waste liquid discharge system, sample analyzer and waste liquid discharge method |
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| CN110187138A (en) * | 2019-07-02 | 2019-08-30 | 安图实验仪器(郑州)有限公司 | Sample needle cleaning solution drainage system for in-vitro diagnosis equipment |
| CN114113004A (en) * | 2020-08-28 | 2022-03-01 | 深圳市帝迈生物技术有限公司 | Waste liquid treatment method and device and sample analyzer |
| CN112683887B (en) * | 2021-03-19 | 2021-06-04 | 苏州长光华医生物医学工程有限公司 | Device and method for discharging and drying waste liquid of chemiluminescence instrument |
| CN112683887A (en) * | 2021-03-19 | 2021-04-20 | 苏州长光华医生物医学工程有限公司 | Device and method for discharging and drying waste liquid of chemiluminescence instrument |
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