CN101987301A - Semi-automatic multifunctional liquid operation device capable of realizing inner and outer wall cleaning of sampling needle - Google Patents
Semi-automatic multifunctional liquid operation device capable of realizing inner and outer wall cleaning of sampling needle Download PDFInfo
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- CN101987301A CN101987301A CN 201010240694 CN201010240694A CN101987301A CN 101987301 A CN101987301 A CN 101987301A CN 201010240694 CN201010240694 CN 201010240694 CN 201010240694 A CN201010240694 A CN 201010240694A CN 101987301 A CN101987301 A CN 101987301A
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Abstract
The invention provides a semi-automatic multifunctional liquid operation device capable of realizing inner and outer wall cleaning of a sampling needle. The device is characterized by comprising an electromagnetic valve (2), an injector (1), a buffer solution port (3), a sampling handle (4) and a cleaning mechanism (5), wherein the electromagnetic valve (2) is provided with three liquid path ports, namely a public end com, a normally open end no and a normally closed end nc, and is used for realizing switching of liquid path channels; the injector (1) is communicated with the public end com of the electromagnetic valve (2) for accurately absorbing and discharging liquids; the buffer solution port (3) is communicated with one port of the electromagnetic valve (2), which can be the normally open end no or the normally closed end nc; the sampling handle (4) is communicated with another port of the electromagnetic valve (2), which can be the normally closed end nc or the normally open end no; and the cleaning mechanism (5) comprises a sampling handle inlet (504), a cleaning solution port (505) and a sewage port (506), and is used for cleaning the outer wall of a sampling port (402) of the sampling handle (4).
Description
Technical field
The present invention relates to the automated fluid operating means, can accurately realize the preparation of multiple liquid, be applied to chemistry, biology, disease control, metering, quality inspection, laboratory such as clinical.
Background technology
Often need carry out a large amount of fluid operatedly in chemistry, biology, disease control, metering, quality inspection, laboratory such as clinical, comprise separatory, dilution, titration, move liquid etc.Especially along with the increase of present various epidemic diseases such as SARS, first stream etc., biochemical test is had higher requirement.And traditional manual mode based on liquid-transfering gun, the operating process complexity, inefficiency, the labour intensity height causes operate miss easily, and this on the other hand manual mode of operation has also increased the risk that the operator infects.
More existing semi-automatic liquid operating devices on the market, as Switzerland Hamilton, French Gilson, Japanese NICHIRYO, the semi-automatic liquid diluting instrument that companies such as Spain IUL release, liquid separating meter etc. can improve fluid operated efficient greatly, reduce labor intensity of operating personnel.Its operation principle as shown in Figure 1, fluid operated instrument comprises syringe (1), magnetic valve (2), buffer solution port (3), sampling handle (4) is formed.Wherein, syringe (1) is driven by precision stepper motor (11) and realizes precision reciprocating.The public port (com) of magnetic valve (2) links to each other with syringe, and often ported (no) links to each other with buffer solution port (3), and normally closed port (nc) links to each other with sampling handle (4).Magnetic valve (2) realizes that by powering up, cutting off the power supply public port (com) and the passage of often opening between (no), normally closed (nc) port switch.Buffer solution port (3) is directly put into the container that buffer solution is housed.Generally comprise at least one sampling button (401) on the sampling handle so that user interactive.Realize the operations such as dilution, separatory, application of sample of sample like this by control to syringe (1), magnetic valve (2) and sampling button (401).
The general polyfluortetraethylene pipe that adopts of the sample lines of this quasi-instrument with excellent chemical performance, pipeline has very strong acid-alkali-corrosive-resisting performance on the one hand; On the other hand, pipeline cleans easily, and its sample port (402) inwall can be realized cleaning by buffer solution.But the cleaning of sample port (402) outer wall relatively bothers, and needs manual the cleaning, the disposable liquid joint (10) that moves that perhaps more renews, as shown in Figure 2.Change the disposable liquid joint (10) that moves for convenience, also need on the sampling handle, increase special-purpose mechanism.No matter adopt which kind of outer wall cleaning way, in use all have inconvenience.
Summary of the invention
The present invention is intended to by introducing wiper mechanism, realizes that easily the sampling needle outer wall cleans, and cleans or change the disposable liquid head that moves thereby avoid manual, simplifies the operation, and increases work efficiency.
A kind of semi-automatic full-service fluid operating means of realizing that the sampling needle inside and outside wall cleans is characterized in that described device comprises:
A. magnetic valve comprises 3 liquid road interfaces, common port com, and Chang Kaiduan no, normal-closed end nc is used to realize the switching of liquid paths;
B. syringe is communicated with the described common port com of described magnetic valve, is used for accurately sucking, spuing liquid;
C. buffer solution port and described magnetic valve port, described Chang Kaiduan no or described normal-closed end nc are communicated with;
D. the sample another one port of handle and described magnetic valve, described normal-closed end nc or described Chang Kaiduan no are communicated with;
E. wiper mechanism comprises sampling handle inlet, cleaning fluid port, waste liquid port, is used to clean the sample port outer wall of described sampling handle;
Described wiper mechanism further comprises service sink, the cleaning fluid injection pump, the waste liquid drain pump, cleaning fluid injection pump one end is connected with the cleaning fluid port, the other end is connected with service sink, is used for cleaning fluid is injected in the service sink described sample port outer wall is cleaned, and waste liquid drain pump one end is connected with the waste liquid port, the other end is connected with service sink, is used for the waste liquid emptying behind the described sample port outer wall of cleaning.
Description of drawings
Fig. 1 is the principle schematic of full-service fluid operating means;
Fig. 2 is that the full-service fluid operating means is installed the disposable schematic diagram that moves the liquid head;
Fig. 3 is embodiments of the invention.
Fig. 4 is second embodiment of the present invention.
The specific embodiment
Fig. 3 is one embodiment of the present of invention, and a kind of semi-automatic full-service fluid operating means of realizing that the sampling needle inside and outside wall cleans is characterized in that described device comprises:
A. magnetic valve (2) comprises 3 liquid road interfaces, common port com, and Chang Kaiduan no, normal-closed end nc is used to realize the switching of liquid paths;
B. syringe (1) is communicated with the described common port com of described magnetic valve (2), is used for accurately sucking, spuing liquid;
C. a port of buffer solution port (3) and described magnetic valve (2), described Chang Kaiduan no or described normal-closed end nc are communicated with;
D. the sample another one port of handle (4) and described magnetic valve (2), described normal-closed end nc or described Chang Kaiduan no are communicated with;
E. wiper mechanism (5) comprises sampling handle inlet (504), cleaning fluid port (505), waste liquid port (506), is used to clean sample port (402) outer wall of described sampling handle (4);
Described wiper mechanism (5) further comprises service sink (501), cleaning fluid injection pump (502), waste liquid drain pump (503), described cleaning fluid injection pump (502) one ends are connected with described cleaning fluid port (505), the other end is connected with described service sink (501), be used for cleaning fluid is injected into and described sample port (402) outer wall cleaned in the described service sink (501), described waste liquid drain pump (503) one ends are connected with described waste liquid port (506), the other end is connected with described service sink (501), is used for the waste liquid emptying behind cleaning described sample port (402) outer wall.
The flow of described cleaning fluid injection pump (502) is less than the flow of described waste liquid drain pump (503), and avoiding when described sample port (402) outer wall is cleaned, cleaning fluid overflows described service sink (501).
The workflow that adopts present embodiment that sample port is cleaned is summarized as follows:
(1) will sample the sample port (402) of handle (4) by sampling handle inlet 504) be placed in the service sink (501);
(2) start following 3 ~ 5 work by pressing down-sampling button (401);
(3) waste liquid drain pump (503) the beginning drawing liquid that powers on;
(4) delay a period of time (1 ~ 3 second) cleaning fluid injection pump (502) powers on and begins to clean to the outer wall of service sink (501) injection cleaning fluid to sample port (402);
(5) magnetic valve (2) switches to sampling handle (4) end simultaneously, and syringe (1) release buffer solution cleans the inwall of sample port (402);
(6) start following 7 ~ 10 work by pressing down-sampling button (401), simultaneously sample port (402) is extracted in service sink (501);
(7) magnetic valve (2) switches to buffer solution port (3), syringe (1) stop motion simultaneously;
(8) cleaning fluid injection pump (502) outage;
(9) postpone a period of time (1 ~ 3 second);
(10) waste liquid drain pump (503) outage.
Fig. 4 is second embodiment of the present invention, relative first embodiment, position at sampling handle inlet (504) has increased a position sensor (507), can be used for judging whether sample port (402) is inserted into service sink (501), thus more convenient user operation.
The workflow that adopts this embodiment that sample port is cleaned is summarized as follows:
(1) will the sample sample port (402) of handle (4) is placed in the service sink (501) by sampling handle inlet (504), is detected this incident automatically and is started following 2 ~ 4 work by position sensor (507);
(2) waste liquid drain pump (503) the beginning drawing liquid that powers on;
(3) delay a period of time (1 ~ 3 second) cleaning fluid injection pump (502) powers on and begins to clean to the outer wall of service sink (501) injection cleaning fluid to sample port (402);
(4) magnetic valve (2) switches to sampling handle (4) end simultaneously, and syringe (1) release buffer solution cleans the inwall of sample port (402);
(5) sample port (402) is extracted in service sink (501), detect this incident automatically and start following 6 ~ 9 work by position sensor (507);
(6) magnetic valve (2) switches to buffer solution port (3), syringe (1) stop motion simultaneously;
(7) cleaning fluid injection pump (502) outage;
(8) postpone a period of time (1 ~ 3 second);
(9) waste liquid drain pump (503) outage.
Above content be in conjunction with concrete embodiment to the further detailed description that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the technical field of the invention those of ordinary skill, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that claims that the present invention submits to are determined.
Claims (4)
1. the semi-automatic full-service fluid operating means that can realize that the sampling needle inside and outside wall cleans is characterized in that described device comprises:
A. magnetic valve (2) comprises 3 liquid road interfaces, common port com, and Chang Kaiduan no, normal-closed end nc is used to realize the switching of liquid paths;
B. syringe (1) is communicated with the described common port com of described magnetic valve (2), is used for accurately sucking, spuing liquid;
C. a port of buffer solution port (3) and described magnetic valve (2), described Chang Kaiduan no or described normal-closed end nc are communicated with;
D. the sample another one port of handle (4) and described magnetic valve (2), described normal-closed end nc or described Chang Kaiduan no are communicated with;
E. wiper mechanism (5) comprises sampling handle inlet (504), cleaning fluid port (505), waste liquid port (506), is used to clean sample port (402) outer wall of described sampling handle (4);
2. according to the described device of claim 1, it is characterized in that described wiper mechanism (5) further comprises service sink (501), cleaning fluid injection pump (502), waste liquid drain pump (503), described cleaning fluid injection pump (502) one ends are connected with described cleaning fluid port (505), the other end is connected with described service sink (501), be used for cleaning fluid is injected into and described sample port (402) outer wall cleaned in the described service sink (501), described waste liquid drain pump (503) one ends are connected with described waste liquid port (506), the other end is connected with described service sink (501), is used for the waste liquid emptying behind cleaning described sample port (402) outer wall.
3. according to the described device of claim 2, it is characterized in that the flow of the flow of described cleaning fluid injection pump (502) less than described waste liquid drain pump (503), avoiding when described sample port (402) outer wall is cleaned, cleaning fluid overflows described service sink (501).
4. according to claim 1 and 2 described devices, it is characterized in that described wiper mechanism (5) further comprises position sensor (507), be positioned at described sampling handle inlet (504) annex, be used to detect described sample port (402) and whether be inserted in the described service sink (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010240694 CN101987301A (en) | 2010-07-30 | 2010-07-30 | Semi-automatic multifunctional liquid operation device capable of realizing inner and outer wall cleaning of sampling needle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010240694 CN101987301A (en) | 2010-07-30 | 2010-07-30 | Semi-automatic multifunctional liquid operation device capable of realizing inner and outer wall cleaning of sampling needle |
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| CN101987301A true CN101987301A (en) | 2011-03-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632057A (en) * | 2012-03-21 | 2012-08-15 | 北京博晖创新光电技术股份有限公司 | Cleaning device for capillary tube of automatic sampler and cleaning method |
| CN105562389A (en) * | 2014-10-16 | 2016-05-11 | 北京普利生仪器有限公司 | Sampling needle cleaning system and sampling needle cleaning method |
| CN111505202A (en) * | 2020-04-26 | 2020-08-07 | 广东省测试分析研究所（中国广州分析测试中心） | Multifunctional dilution/titration device |
| CN111589480A (en) * | 2020-05-29 | 2020-08-28 | 成都瀚辰光翼科技有限责任公司 | Pipetting device, micro-system pipetting system comprising pipetting device and method thereof |
| CN112945641A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院苏州生物医学工程技术研究所 | Rotary sampling device |
| CN113560278A (en) * | 2021-08-23 | 2021-10-29 | 安图实验仪器(郑州)有限公司 | Needle cleaning system and cleaning method |
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| CN101196497A (en) * | 2006-12-06 | 2008-06-11 | 株式会社岛津制作所 | Auto-sampler cleaning mechanism |
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| CN2247337Y (en) * | 1995-08-31 | 1997-02-12 | 李海英 | Swing cleaner for gas sampling suction tube |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632057A (en) * | 2012-03-21 | 2012-08-15 | 北京博晖创新光电技术股份有限公司 | Cleaning device for capillary tube of automatic sampler and cleaning method |
| CN105562389A (en) * | 2014-10-16 | 2016-05-11 | 北京普利生仪器有限公司 | Sampling needle cleaning system and sampling needle cleaning method |
| CN111505202A (en) * | 2020-04-26 | 2020-08-07 | 广东省测试分析研究所（中国广州分析测试中心） | Multifunctional dilution/titration device |
| CN111589480A (en) * | 2020-05-29 | 2020-08-28 | 成都瀚辰光翼科技有限责任公司 | Pipetting device, micro-system pipetting system comprising pipetting device and method thereof |
| CN112945641A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院苏州生物医学工程技术研究所 | Rotary sampling device |
| CN113560278A (en) * | 2021-08-23 | 2021-10-29 | 安图实验仪器(郑州)有限公司 | Needle cleaning system and cleaning method |
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Application publication date: 20110323 |