CN203101325U - Measuring and cleaning device suitable for detection of trace elements - Google Patents
Measuring and cleaning device suitable for detection of trace elements Download PDFInfo
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- CN203101325U CN203101325U CN 201320066701 CN201320066701U CN203101325U CN 203101325 U CN203101325 U CN 203101325U CN 201320066701 CN201320066701 CN 201320066701 CN 201320066701 U CN201320066701 U CN 201320066701U CN 203101325 U CN203101325 U CN 203101325U
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- measurement
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Abstract
The utility model discloses a measuring and cleaning device suitable for the detection of trace elements, belonging to polarogram chemical analysis and measurement equipment. The measuring and cleaning device comprises a polarogram measuring disc with measuring cups, a polarogram electrode above the polarogram measuring disc, and a reagent adding device. The measuring and cleaning device is characterized in that the measuring cup A, the measuring cup B and the measuring cup C are closely arranged on the same circular arc which takes the center of the polarogram measuring disc as the centre of a circle; the bottoms of the measuring cups are respectively connected with a sealed communicating vessel by an electromagnetic valve A, an electromagnetic valve B and an electromagnetic valve C correspondingly through conduits; a pipeline at the bottom of the communicating vessel is connected with a waste liquid barrel by a waste liquid barrel electromagnetic valve; the communicating vessel is connected with a plunger piston vacuum pump; and a stepping motor is arranged under the polarogram measuring disc. By virtue of the measuring and cleaning device, waste reagent liquid and waste cleaning liquid are collected into the waste liquid barrel in a fully-sealed state, so that the measuring and cleaning device overcomes the defects that in the prior art, the pollution is formed and the cleaning is difficult to control since mercury volatilization is easily caused by waste liquid.
Description
Technical field
The utility model belongs to polarogram chemical analysis, measuring equipment, particularly is applicable to measurement and cleaning device that trace element detects.
Background technology
Polarographic analysis is measured in the method for trace element, need constantly to produce new mercury and drip the participation measuring process, because the special physicochemical property of mercury, need carry out complete to the useless mercury that produces in the measuring process, collect timely, to reduce the residual and volatile quantity of mercury, Chinese patent 201010285184.2 discloses a kind of automatic sampler structure of analytical instrument, a frame is arranged, stepper motor is installed on the frame, pipette drive unit and fluid collection casette, installation and measuring cup gearing in fluid collection casette, detect several detection cups are installed on the cup gearing, the fluid collection casette bottom sets out the mouth of a river, water delivering orifice is connected with the waste collection jar by pipeline, and testing liquid injects measuring cup to begin to measure, after measurement finishes, detect the cup gearing and will detect 180 ° of cup upsets, mixed liquor is poured out, entered in the fluid collection casette, flow in the waste collection jar along pipeline.Use and to have following drawback in the said apparatus testing process: 1. because to collect in the box transmission distance long and do not do sealing and handle, be exposed in the air, the viscosity of mercury is little and mobile big under the normal temperature, be broken into little globule easily, surface area is increased and a large amount of volatilization, form the secondary pollution source, and operator's health is produced certain harm.2. clean unclean.In above-mentioned patent operating process, after the testing liquid measurement finishes, survey the cup gearing and will detect 180 ° of cup upsets, mixed liquor is poured out, use the external water injector of collecting the box bottom to pass through purge pipe then, inverted detection cup jet water course cleans on the cup gearing to detecting, in this kind cleaning method, the height of outer water jet column, the degree of cleaning of measuring cup should not be controlled, leave remnants in measuring cup bottom and sidewall easily, can't thoroughly clean, just cause the cross pollution of measuring sample thus easily, make measurement data inaccurate, the bottom that the collection box links to each other with water delivering orifice is a surface level, be unfavorable for the outflow of waste liquid, the waste liquid after the cleaning remains in the bottom of collecting box easily, causes discharge opeing not thorough.
The utility model content
Not do sealing in the waste liquid transmission distance and handle and cause the mercury volatilization to form easily to pollute and clean uppity deficiency in order to solve in the prior art, the purpose of this utility model provides a kind of measurement and cleaning device that is applicable to that trace element detects.
The technical solution of the utility model is, a kind of measurement and cleaning device that is applicable to that trace element detects, comprise polargraphic measurement dish that measuring cup is housed and the polarogram electrode that is positioned at polargraphic measurement dish top, the reagent adding apparatus, it is characterized in that: measuring cup A, measuring cup B, it is on the same circular arc in the center of circle that measuring cup C closely is arranged in polargraphic measurement disk center, the measuring cup bottom is respectively by the solenoid valve A of flexible conduit through correspondence, solenoid valve B, solenoid valve C links to each other with the linker of sealing, the pipeline of linker bottom is connected to waste liquid barrel through the waste liquid barrel solenoid valve, connecting the plunger vacuum pump on the linker, stepper motor is being housed below the described polargraphic measurement dish.
Described flexible conduit is a silica gel catheter.
Described measuring cup bottom is taper.
The step angle of described stepper motor is the angle between adjacent two measuring cups and the polargraphic measurement disk center line.
Described solenoid valve is a pinch valve.
A kind of measurement of trace element detection and using method of cleaning device of being applicable to is: A. measures flow process: the polargraphic measurement dish is under Stepping Motor Control, successively to measuring cup A, B, add reagent corresponding and blood sample among the C, the polarogram electrode moves downwards, potential electrode is inserted in the corresponding measuring cup detects, detection finishes, start vacuum pump and form negative pressure, open solenoid valve A, solenoid valve B, solenoid valve C, make its corresponding measuring cup A, measuring cup B, waste liquid among the measuring cup C is drawn in the linker along flexible conduit, the corresponding closed electromagnetic valve of waste liquid pipeline after the waste liquid emptying, when the waste liquid in the linker need be discharged, open discard solution escape hole waste liquid barrel solenoid valve, start vacuum pump and form malleation, the waste liquid that promotes in the linker flows in the waste liquid barrel along conduit, and measurement finishes;
B. cleaning process: in measuring cup A, B, C, inject a certain amount of relevant detection reagent respectively, start vacuum pump and form negative pressure, open solenoid valve A, solenoid valve B, the solenoid valve C of corresponding flexible conduit, waste liquid is drawn in the linker, close the corresponding solenoid valve of flexible conduit after the waste liquid emptying, when the waste liquid in the linker need be discharged, open the waste liquid barrel solenoid valve, start vacuum pump and form malleation, waste liquid is drained in the waste liquid barrel, cleaning finishes, and the mercury of collecting in the waste liquid barrel can be collected once more, carries out secondary and uses.
Be used in the utility model to hold and measure that sample, mercury drip, the measuring cup of detectable, its bottom is a taper surface, the gradient-structure of described conical surface inside can make that sample to be tested, the mercury in the measuring cup drips, detectable flows out along the conical surface fast in the measurement back that finishes, thereby reduced mercury and dropped in the interior remnants of measuring cup, the pipeline of measuring cup below uses silicone tube, solenoid valve uses pinch valve, and the silica gel pipeline can be similar to and keep vertical, to reduce as much as possible that mercury drips and waste liquid residual at pipeline, measuring cup inwall.After test finishes, use the reagent identical with detectable in the measuring cup, measuring cup is cleaned, because the whole blood sample consumption is less, about tens microlitres, and therefore the consumption that adds the detectable that is used to clean is measured sample can be cleaned completely at 1000 microlitres-3000 microlitre, has avoided in the next measurement measuring the influence of sample.Waste liquid after the cleaning is by the pipeline conduit, solenoid valve and vacuum pump control under flow into linker, the taper surface structure of linker bottom can make waste liquid flow into waste liquid barrel completely, finish the cleaning of measurement mechanism, linker and waste liquid barrel are enclosed construction, reduced the volatilization of mercury, and the mercury that flows in the waste liquid barrel can carry out secondary and use through collecting.
Polargraphic measurement dish lower end links to each other with stepper motor in the utility model, stepper motor drives the rotation of polargraphic measurement dish, measuring cup is rotated to filling successively, the measuring position, measuring cup A is arranged on the plane of polargraphic measurement dish, measuring cup B, measuring cup C, three measuring cups are close together as much as possible, so that the anglec of rotation of stepper motor reduces, thereby the amplitude of the flexible conduit swing of three measuring cup belows is reduced, three measuring cups use different reagent to measure different trace elements, described measuring cup bottom by conduit respectively with solenoid valve A, solenoid valve B, solenoid valve C links to each other, the lower end links to each other with linker, the linker lower end links to each other with waste liquid barrel with conduit by the waste liquid barrel solenoid valve, the linker upper end links to each other with vacuum pump, the inside of vacuum pump is for having piston and O-ring seal, can produce negative pressure suction waste liquid, also can produce the malleation effluent discharge, the polarogram electrode can move up and down, so that the polargraphic measurement electrode stretches in the mixed liquor of interior sample of measuring cup and reagent, the every measurement of polarogram electrode once, mercury that will abate one Geju City drips and produces a new mercury and drips.
The beneficial effects of the utility model are to have realized that the cleaning waste liquid of measuring the reagent waste liquid after using and cleaning measuring cup uses vacuum pump that it is collected in the waste liquid barrel under hermetic state, overcome in the prior art and do not done the sealing processing in the waste liquid transmission distance, cause the mercury volatilization to form many deficiencies of polluting and cleaning uppity deficiency easily, have advantages such as device structure is simple, reliability is high, DATA REASONING is accurate.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Among the figure, 1. measuring cup A, 2. polargraphic measurement dish, 3. stepper motor, 4. solenoid valve A, 5. vacuum pump, 6. polarogram electrode, 7. waste liquid barrel solenoid valve, 8. waste liquid barrel, 9. measuring cup B, 10. measuring cup C, 11. flexible conduit, 12. solenoid valve B, 13. solenoid valve C, 14. linkers.
Embodiment
Embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of measurement and cleaning device that is applicable to that trace element detects, comprise polargraphic measurement dish 2 that measuring cup is housed and the polarogram electrode 6 that is positioned at polargraphic measurement dish top, the reagent adding apparatus, it is characterized in that: measuring cup A1, measuring cup B9, it is on the same circular arc in the center of circle that measuring cup C10 closely is arranged in polargraphic measurement disk center, the conical lower portion of measuring cup is respectively by the solenoid valve A4 of flexible conduit 11 through correspondence, solenoid valve B12, solenoid valve C13 links to each other with the linker 14 of sealing, the pipeline of linker bottom is connected to waste liquid barrel 8 through waste liquid barrel solenoid valve 7, connecting plunger vacuum pump 5 on the linker, stepper motor 3 is being housed below the described polargraphic measurement dish.
Described flexible conduit is a silica gel catheter.Described solenoid valve is a pinch valve.
Described flexible conduit is a silica gel catheter.Described solenoid valve is a pinch valve.
The step angle of described stepper motor is the angle between adjacent two measuring cups and the polargraphic measurement disk center line.
A kind of measurement of trace element detection and using method of cleaning device of being applicable to is: A. measures flow process: the polargraphic measurement dish is under Stepping Motor Control, successively to measuring cup A, B, add reagent corresponding and blood sample among the C, the polarogram electrode moves downwards, potential electrode is inserted in the corresponding measuring cup detects, detection finishes, start vacuum pump and form negative pressure, open solenoid valve A, solenoid valve B, solenoid valve C, make its corresponding measuring cup A, measuring cup B, waste liquid among the measuring cup C is drawn in the linker along flexible conduit, the corresponding closed electromagnetic valve of waste liquid pipeline after the waste liquid emptying, when the waste liquid in the linker need be discharged, open discard solution escape hole waste liquid barrel solenoid valve, start vacuum pump and form malleation, the waste liquid that promotes in the linker flows in the waste liquid barrel along conduit, and measurement finishes;
B. cleaning process: in measuring cup A, B, C, inject a certain amount of relevant detection reagent respectively, start vacuum pump and form negative pressure, open solenoid valve A, solenoid valve B, the solenoid valve C of corresponding flexible conduit, waste liquid is drawn in the linker, close the corresponding solenoid valve of flexible conduit after the waste liquid emptying, when the waste liquid in the linker need be discharged, open the waste liquid barrel solenoid valve, start vacuum pump and form malleation, waste liquid is drained in the waste liquid barrel, cleaning finishes, and the mercury of collecting in the waste liquid barrel can be collected once more, carries out secondary and uses.
Claims (5)
1. one kind is applicable to micro-measurement and the cleaning device that detects, comprise polargraphic measurement dish that measuring cup is housed and the polarogram electrode that is positioned at polargraphic measurement dish top, the reagent adding apparatus, it is characterized in that: measuring cup A, measuring cup B, it is on the same circular arc in the center of circle that measuring cup C closely is arranged in polargraphic measurement disk center, the measuring cup bottom is respectively by the solenoid valve A of flexible conduit through correspondence, solenoid valve B, solenoid valve C links to each other with the linker of sealing, the pipeline of linker bottom is connected to waste liquid barrel through the waste liquid barrel solenoid valve, connecting the plunger vacuum pump on the linker, stepper motor is being housed below the described polargraphic measurement dish.
2. a kind of measurement and cleaning device that is applicable to that trace element detects according to claim 1, it is characterized in that: described flexible conduit is a silica gel catheter.
3. a kind of measurement and cleaning device that is applicable to that trace element detects according to claim 1 is characterized in that: described measuring cup bottom is taper.
4. a kind of measurement and cleaning device that is applicable to that trace element detects according to claim 1 is characterized in that: the step angle of described stepper motor is the angle between adjacent two measuring cups and the polargraphic measurement disk center line.
5. a kind of measurement and cleaning device that is applicable to that trace element detects according to claim 1, it is characterized in that: described solenoid valve is a pinch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066701 CN203101325U (en) | 2013-02-05 | 2013-02-05 | Measuring and cleaning device suitable for detection of trace elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066701 CN203101325U (en) | 2013-02-05 | 2013-02-05 | Measuring and cleaning device suitable for detection of trace elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101325U true CN203101325U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320066701 Expired - Lifetime CN203101325U (en) | 2013-02-05 | 2013-02-05 | Measuring and cleaning device suitable for detection of trace elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149266A (en) * | 2013-02-05 | 2013-06-12 | 山东美医林电子仪器有限公司 | Measuring and cleaning device suitable for microelement detection |
| CN114544740A (en) * | 2022-02-18 | 2022-05-27 | 陕西地矿第一地质队有限公司 | Polar spectrum analyzer for exploration |
-
2013
- 2013-02-05 CN CN 201320066701 patent/CN203101325U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149266A (en) * | 2013-02-05 | 2013-06-12 | 山东美医林电子仪器有限公司 | Measuring and cleaning device suitable for microelement detection |
| CN114544740A (en) * | 2022-02-18 | 2022-05-27 | 陕西地矿第一地质队有限公司 | Polar spectrum analyzer for exploration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |