CN102680545B - Test instrument for detecting electrolyte item and total carbon dioxide - Google Patents
Test instrument for detecting electrolyte item and total carbon dioxide Download PDFInfo
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- CN102680545B CN102680545B CN201210149391.4A CN201210149391A CN102680545B CN 102680545 B CN102680545 B CN 102680545B CN 201210149391 A CN201210149391 A CN 201210149391A CN 102680545 B CN102680545 B CN 102680545B
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Abstract
The invention relates to a test instrument for detecting electrolyte item and total carbon dioxide, wherein a power part for forming a liquid path comprises an aspirating needle which is fixed on a two-freedom rotary arm and is connected with a second two-way flow valve by a pipeline; the second two-way flow valve is connected with a main liquid suction push pump; a first two-way flow valve is connected with a cleaning pump and a cleaning liquid bottle by a pipeline; a measurement part for forming the liquid path comprises a reverse push flow injection hole, an electrolyte sensor module, a carbon dioxide reaction tank, a one-way flow valve and a waste liquid bottle which are sequentially connected by a pipeline; and the carbon dioxide reaction tank is connected with a carbon dioxide sensor by a two-way air valve. Compared with the prior art, the test instrument has the advantages that 1. after an ion test module formed by a plurality of ion-selective electrodes is adopted, the content of multiple electrolytes can be measured by a direct method; 2. the attachment is reduced to the utmost extent, so that cross contamination is reduced; and 3 the influence to the test accuracy caused by a long pipeline arranged behind the aspirating needle and the residual liquid of a pump valve part can be avoided.
Description
Technical field
The present invention relates to a kind of medical test test class instrument, concrete relate to a kind of testing tool for detection of electrolyte project and total CO 2.
Background technology
At present, except the enzyme process test electrolyte project that large automatic biochemical analyzer is used, it is low that ion electrode has become cost, speed is fast, the conventionally test means of clinical electrolytes easy to use, replaced the traditional approachs such as manual titration and flame photometer, this quasi-instrument is domestic many productions, take the semi-automatic class set forth and accurate kind equipment automatically above as main.The fully-automatic equipment that can carry out full test tube sampling need to be with detecting liquid level, can there be the self-movement spiral arm of easy on and off degree and rotary freedom and the sample rotating disk that darker layering hanging basket forms, control complexity and precision far above being only suitable for the accurate automatic equipment of special specimen cup.At present domestic almost do not have full-automatic class electrolyte analysis equipment as above, external due to the widespread use of large-scale biochemical kind equipment, this quasi-instrument of release separately not yet.
Summary of the invention
Technical matters to be solved by this invention is to propose a kind of testing tool for detection of electrolyte project and total CO 2 for above-mentioned prior art, can efficiently realize compactly electrolyte and total CO 2 concentration analysis under full test tube sample mode.
The present invention solves the problems of the technologies described above adopted technical scheme: for detection of the testing tool of electrolyte project and total CO 2, it is characterized in that comprising the power section that forms liquid road and the measure portion that forms liquid road,
The power section that wherein forms liquid road includes two circle rotating disks, two-freedom spiral arm with aspirating needle, main imbibition pushes away liquid pump, aspirating needle outer wall washing hole, the first bilateral fluid valve and the second bilateral fluid valve and corresponding fluid flow tube road, the aspirating needle being wherein fixed on two-freedom spiral arm is connected with the second bilateral fluid valve by pipeline, the second bilateral fluid valve pushes away liquid pump with main imbibition and is connected, and the first bilateral fluid valve is connected with scavenging pump and cleaning fluid bottle by pipeline, in cleaning fluid bottle, the stream of cleaning fluid is divided into two branch roads, wherein a branch road is connected with the second bilateral fluid valve, another branch road is connected with aspirating needle outer wall washing hole,
The measure portion that forms liquid road includes anti-liquid streamer perforation, the electrolyte sensor assembly of pushing away being linked in sequence successively by pipeline, carbon dioxide reaction pond, single-pass fluid valve and waste liquid bottle, described carbon dioxide reaction pond is also connected with carbon dioxide sensor by bilateral air valve.
Press such scheme, described two circle rotating disks include the sample position of outer ring and the reagent position of inner ring, the sample position of outer ring is for putting into sample tube to be tested or sample separation cup, the reagent position of inner ring is used for placing reagent and quality-control product, described two-freedom spiral arm drives the aspirating needle on it to match with the circular motion of two circle rotating disks, thereby enter in any one the sample position or the container on reagent position on two circle rotating disks, and rely on liquid level principle of induction control aspirating needle to drop to the following 1mm of liquid level, to draw required tester.
Press such scheme, described scavenging pump and main imbibition push away liquid pump and all adopt peristaltic pump, and it is clockwise or be rotated counterclockwise suction or the propelling movement of carrying out liquid, and the mobile power that provides of liquid is provided.
Press such scheme, described electrolyte sensor assembly is ion-selective electrode, and described carbon dioxide sensor is gas pressure sensor or thermal conductivity sensor.
Essential characteristic of the present invention is: adopt Internal and external cycle double-layer rotary disc as all tester supporting bodies, upper and lower and rotation two-freedom spiral arm completes the collection of sample, reagent and Quality Control thing in conjunction with detecting liquid level sample introduction needle, by aspirating needle is counter, push away that liquid flow path is sent tester into ion electrode measurement mechanism and carbon dioxide sensor measurement mechanism carries out project testing.
The present invention is in order to keep the cleaning of aspirating needle outer wall and to prevent cross pollution, by aspirating needle outer wall washing hole 8, provide cleaning fluid, aspirating needle outer wall is carried out to hydro-peening, and instrument enters aspirating needle after dormant state and also can stop at this position and be immersed in cleaning fluid to keep the clean of outer wall.
The present invention with respect to the advantage of prior art is:
1. the present invention is the electrolyte sensor assembly that adopts some ion-selective electrode to form, the multiple electrolyte content of Direct Determination; The testing apparatus that adopts gas pressure sensor or thermal conductivity sensor test total CO 2 content, this method of testing is for replacing the standard method of test of traditional titrimetry and flame photometry;
2. aspirating needle has used band to rotate and move up and down the spiral arm of two degree of freedom, and the circuit board of aspirating needle and spiral arm inside forms liquid level induction installation jointly for detecting liquid level.Use this suction needle can draw any test cup, the tester of any liquid level in test tube and reagent bottle, because only go deep into 1mm under liquid level, so reduce to greatest extent attachment, reduces cross pollution;
3. the two circle sample reagent rotating disks that use sample position, outer ring and inner ring reagent position, all determinand and agents useful for same all coil from this, and draw by suction needle.This sample introduction measure can guarantee that all testers are through identical stream, eliminates because inconsistent the caused error of stream;
4. the proving installation of electrolyte and carbon dioxide is not on the suction channel of the liquid flow path of aspirating needle rear end, but both are separated, aspirate after a certain amount of tester, then reconnect fluid flow tube road, then press aspirating needle and draw the direction of opposite direction, the anti-tester that pushes away is to survey sensor.The impact that can avoid so pipeline tediously long after aspirating needle and the residual liquid of pump valve parts to cause measuring accuracy, and make serum etc. easily stop up tester can not enter into these pump valve parts, reduce and stop up.Can also shorten to greatest extent tester the flow path length of process, improve measuring accuracy.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention;
Fig. 2 is test system component structure and schematic diagram.
Embodiment
Below in conjunction with embodiment, the present invention will be further described in detail, but this explanation can not be construed as limiting the invention.
For detection of the testing tool of electrolyte project and total CO 2, comprise the power section that forms liquid road and the measure portion that forms liquid road,
The power section that wherein forms liquid road includes two circle rotating disks 1, two-freedom spiral arm 6 with aspirating needle, main imbibition pushes away liquid pump 14, aspirating needle outer wall washing hole 8, the first bilateral fluid valve 10 and the second bilateral fluid valve 12 and corresponding fluid flow tube road, described two circle rotating disks include the sample position of outer ring and the reagent position of inner ring, the sample position of outer ring is for putting into sample tube to be tested or sample separation cup, the reagent position of inner ring is used for placing reagent and quality-control product, described two-freedom spiral arm drives the aspirating needle on it to match with the circular motion of two circle rotating disks, thereby enter in any one the sample position or the container on reagent position on two circle rotating disks, and rely on liquid level principle of induction Quality control pin height, to draw required tester, the aspirating needle 11 being fixed on two-freedom spiral arm is connected with the second bilateral fluid valve 12 by pipeline, the second bilateral fluid valve 12 pushes away liquid pump 14 with main imbibition and is connected, and the first bilateral fluid valve 10 is connected with scavenging pump 9 and cleaning fluid bottle by pipeline, in cleaning fluid bottle, the stream of cleaning fluid is divided into two branch roads, wherein a branch road is connected with the second bilateral fluid valve 12, another branch road is connected with aspirating needle outer wall washing hole 8,
The measure portion that forms liquid road includes the anti-electrolyte sensor assembly 13 that pushes away liquid streamer perforation 7, ion-selective electrode composition being linked in sequence successively by pipeline, carbon dioxide reaction pond 15, single-pass fluid valve 18 and waste liquid bottle, described carbon dioxide reaction pond 15 is also connected with carbon dioxide sensor 17 by bilateral air valve 16, and described carbon dioxide sensor is gas pressure sensor or thermal conductivity sensor.
Scavenging pump of the present invention and main imbibition push away liquid pump and all adopt peristaltic pump, and it is clockwise or be rotated counterclockwise suction or the propelling movement of carrying out liquid, and the mobile power that provides of liquid is provided.
The mutual motion of the of the present invention pair of circle rotating disk 1 and two-freedom spiral arm 6, can be so that aspirating needle 11 can arrive any agent position (A reagent bottle 2, B reagent bottle 3, CO
2reagent bottle 4), Quality Control and calibration liquid level 5 and any sample tube position, and control and drop to about the following 1mm of liquid level by liquid level induction installation.
Main imbibition pushes away liquid pump 14 drawing liquid power is provided, and draws all testers, comprises sample, Quality Control thing and reagent.If quantitative carbon dioxide reagent should be first drawn in carbon dioxide test, and then draw tester.
After imbitition, two-freedom spiral arm 6 is aimed at the anti-liquid streamer perforation 7 that pushes away, and downwards until pin hole be tightly connected, then main imbibition pushes away liquid pump 14 reversion provides and pushes away hydraulic power, and tester is pushed in ion electrode module 13, and positional precision is guaranteed by liquid level control sensor.
After ion concentration is completed, can proceed carbon dioxide test, single-pass fluid valve 18 cuts out, and liquid and reagent enter carbon dioxide reaction pond 15, then close the air duct of bilateral air valve 16, the gas producing after stirring reaction enters carbon dioxide sensor 17 and measures.
Allly be completed laggard row pipeline cleaning, scavenging pump 9 provides power, and cleaning fluid enters aspirating needle pipeline through the first bilateral fluid valve 10 and the second bilateral fluid valve 12, and main imbibition pushes away liquid pump 14 cooperations, form liquid segment and the air section of segmentation, guarantee cleaning performance.If carried out carbon dioxide test, cleaning fluid will concentrate in carbon dioxide reaction pond and carry out stirring and washing, finally all be drained in waste liquid bottle, complete single job process.
If electrolyte and carbon dioxide are through twice separately test of suction sample process; need to use two-way valve to carry out the distribution of liquid stream counter pushing away between liquid streamer perforation 7 and ion test module 13; make the sample of twice absorption enter respectively two measurement mechanisms; corresponding parts and running order will reorganize, but still belong to scope of patent protection of the present invention.
It is more than the detailed description of this patent content; adopt ion-selective electrode and the electrolyte of gas sensor and the testing apparatus of total CO 2 class; as long as test structure is consistent with patent statement principle; or this kind equipment that passes through simple inference or deduction and make; all belong to this patent protection domain; comprise independent electrolyte testing tool, total CO 2 testing tool and both combinations.
Claims (3)
1. for detection of the testing tool of electrolyte project and total CO 2, it is characterized in that comprising the power section that forms liquid road and the measure portion that forms liquid road,
The power section that wherein forms liquid road includes two circle rotating disks (1), two-freedom spiral arm (6) with aspirating needle (11), main imbibition pushes away liquid pump (14), aspirating needle outer wall washing hole (8), the first bilateral fluid valve (10) and the second bilateral fluid valve (12) and corresponding fluid flow tube road, the aspirating needle (11) being wherein fixed on two-freedom spiral arm is connected with the second bilateral fluid valve (12) by pipeline, the second bilateral fluid valve (12) pushes away liquid pump (14) with main imbibition and is connected, and the first bilateral fluid valve (10) is connected with scavenging pump (9) and cleaning fluid bottle by pipeline, in cleaning fluid bottle, the stream of cleaning fluid is divided into two branch roads, wherein a branch road is connected with the second bilateral fluid valve (12), another branch road is connected with aspirating needle outer wall washing hole (8),
The measure portion that forms liquid road includes the anti-liquid streamer perforation (7) that pushes away being linked in sequence successively by pipeline, electrolyte sensor assembly (13), carbon dioxide reaction pond (15), single-pass fluid valve (18) and waste liquid bottle, described carbon dioxide reaction pond (15) is also connected with carbon dioxide sensor (17) by bilateral air valve (16), described two circle rotating disks include the sample position of outer ring and the reagent position of inner ring, the sample position of outer ring is for putting into sample tube to be tested or sample separation cup, the reagent position of inner ring is used for placing reagent and quality-control product, described two-freedom spiral arm drives the aspirating needle on it to match with the circular motion of two circle rotating disks, thereby enter in any one the sample position or the container on reagent position on two circle rotating disks, and rely on liquid level principle of induction control aspirating needle to drop to the following 1mm of liquid level, to draw required tester.
2. by the testing tool for detection of electrolyte project and total CO 2 claimed in claim 1, it is characterized in that described scavenging pump and main imbibition push away liquid pump and all adopt peristaltic pump, it is clockwise or be rotated counterclockwise suction or the propelling movement of carrying out liquid, and the mobile power that provides of liquid is provided.
3. by the testing tool for detection of electrolyte project and total CO 2 claimed in claim 1, it is characterized in that described electrolyte sensor assembly is ion-selective electrode, carbon dioxide sensor is gas pressure sensor or thermal conductivity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149391.4A CN102680545B (en) | 2012-05-15 | 2012-05-15 | Test instrument for detecting electrolyte item and total carbon dioxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210149391.4A CN102680545B (en) | 2012-05-15 | 2012-05-15 | Test instrument for detecting electrolyte item and total carbon dioxide |
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| Publication Number | Publication Date |
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| CN102680545A CN102680545A (en) | 2012-09-19 |
| CN102680545B true CN102680545B (en) | 2014-03-26 |
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| CN201210149391.4A Expired - Fee Related CN102680545B (en) | 2012-05-15 | 2012-05-15 | Test instrument for detecting electrolyte item and total carbon dioxide |
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| CN103604859B (en) * | 2013-11-25 | 2016-05-04 | 深圳市锦瑞电子有限公司 | Blomelicalbloodgasandelectrolrteanalyzers and method of testing thereof |
| CN104634849B (en) * | 2015-02-04 | 2017-04-05 | 梅州康立高科技有限公司 | A kind of electrolyte analysis instrument apparatus and stream scheme |
| CN106033088B (en) * | 2015-03-19 | 2017-11-21 | 深圳市康立生物医疗有限公司 | Multichannel blomelicalbloodgasandelectrolrteanalyzers |
| CN207965558U (en) * | 2017-06-05 | 2018-10-12 | 广州医科大学附属第二医院 | A kind of cleaning control device |
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| CN109813863A (en) * | 2018-12-21 | 2019-05-28 | 中国科学院合肥物质科学研究院 | A kind of closed green automated system of Soil K+adsorption |
| CN110361556A (en) * | 2019-08-13 | 2019-10-22 | 深圳市康立生物医疗有限公司 | High speed electrolyte analyzer |
| CN110487857A (en) * | 2019-08-13 | 2019-11-22 | 梅州康立高科技有限公司 | A kind of automatic quality control system and method for blomelicalbloodgasandelectrolrteanalyzers |
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| CN2338748Y (en) * | 1998-01-20 | 1999-09-15 | 深圳市航创电子有限公司 | Full automatic multiple parameter investigating and analysing instrument |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3933436A (en) * | 1972-08-15 | 1976-01-20 | Nihon Denshi Kabushiki Kaisha | Automatic analyzing apparatus |
| US5942694A (en) * | 1996-11-12 | 1999-08-24 | Beckman Instruments, Inc. | Pressure detector for chemical analyzers |
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| CN102680545A (en) | 2012-09-19 |
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