CN2575677Y - Ultra sound wave sensor - Google Patents
Ultra sound wave sensor Download PDFInfo
- Publication number
- CN2575677Y CN2575677Y CN 01257301 CN01257301U CN2575677Y CN 2575677 Y CN2575677 Y CN 2575677Y CN 01257301 CN01257301 CN 01257301 CN 01257301 U CN01257301 U CN 01257301U CN 2575677 Y CN2575677 Y CN 2575677Y
- Authority
- CN
- China
- Prior art keywords
- liquid
- valve
- flow cell
- colour developing
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model relates to an automatic rapid colorimetric analyzer, which is composed of an automatic liquid collecting/infusing apparatus, a color developer/comparator and a monolithic computer which collects data and automatically controls a colorimetric analysis and display. The utility model is characterized in that the automatic liquid collecting/infusing apparatus adopts an electric eight passage valve as a connecting and switching device for butting a high-precision plunger pump and a liquid inlet/infusing pipe, and an enriching sampling ring is connected to the position between a certain pair of valve ports in parallel; according to a color comparison photometric value, the monolithic computer controls the collecting/infusing amount of sample liquid, a reagent, and boosting liquid (eluent), which is regulated by the high-precision plunger pump; the color developer/comparator, is formed by that a discrete open color developing pool and a micro spectrophotometer with a flow pool are connected in series through a liquid infusing pipeline. The upper part of the open color developing pool is open to the atmosphere, and is provided with a temperature control heater and an electromagnetic stirrer; the inlet of the micro spectrophotometer with a flow pool is communicated with an open color developing pool through a three-way electromagnetic valve, the outlet of the micro spectrophotometer with a flow pool is connected with a peristaltic pump, and both sides of the outlet of the micro spectrophotometer with a flow pool is respectively provided with a photoelectric detector. The collecting/infusing precision of the analyzer reaches 0.87 mu l/step. The utility model has the advantages of high speed, high precision, wide analytical range, and the utility model is suitable for an on-line analysis.
Description
Technical field: the utility model belongs to the colorimetric analysis instrument, relates in particular to the technological improvement of RAPID COLORIMETRIC ASSAY FOR instrument.
Background technology: colorimetric analysis is one of important analysis method in the analytical chemistry, but in the present colorimetric analysis, behind the transparent cuvette splendid attire sample liquid of many employings, place optical system for testing to make colorimetric again, mainly manual operations in the process, not only operate loaded down with trivial detailsly, and easily produce personal error, the requirement of more not competent on-line analysis; Existing flow injection method is carried out the report of RAPID COLORIMETRIC ASSAY FOR and the commodity of moulding both at home and abroad, what it adopted is the circulation colorimetric pool, but shortcoming is only to be suitable for the fireballing micro-example analysis of chromogenic reaction, then can not be suitable for for the slow-footed sample of chromogenic reaction, because to the slow-footed sample of chromogenic reaction, can only arrhea heating to accelerate chromogenic reaction, disturb colorimetric, in fact be difficult to do online, RAPID COLORIMETRIC ASSAY FOR but in heating process, can produce bubble; In addition, this quasi-instrument all adopts peristaltic pump to measure extraction and adds sample, reagent, possible in theory, but be difficult to guarantee from the measuring accuracy of practical function peristaltic pump.
Summary of the invention: technical problem to be solved in the utility model is the high-speed automatic colorimetric analyzer that will provide that a kind of principle is simple, analysis speed is fast, precision is high, analyst coverage is wide, be easy to be implemented in line analysis.
For this reason, the technical solution of the utility model is: a kind of high-speed automatic colorimetric analyzer, by adopt automatically/impregnator, all unit of colour developing/colour comparator connect in regular turn and form, and gather Various types of data respectively from above-mentioned all unit by control system, the control analysis instrument carries out colorimetric analysis, demonstration automatically after the data processing, it is characterized in that: described adopting automatically/impregnator, be to adopt electronic multiple valve, as the coupling arrangement of high precision piston pump butt joint feed tube, liquid injection pipe and adopt the switching device shifter of liquid, fluid injection state.
Described electronic multiple valve is eight or 12 channel-types; Its valve opening is divided into three groups, wherein A group valve opening is connected sample liquid bath, reagent trough, boosting liquid (or eluent) groove respectively, high precision piston pump of B group each self-closing of valve opening, C group valve opening converges the back and connects colour developing/colour comparator inlet, and certain sampling ring to being serially connected with hollow between valve opening or filling enriching column.
Described control system is made up of single-chip microcomputer and output/input peripheral thereof, it is provided with photometric signal to adopting the control loop of liquid, reservoir quantity, can control described high precision piston pump according to the luminosity value in the colour developing/colour comparator, realize sample liquid, reagent and the collection of boosting liquid (or eluent), the adjusting of injection rate IR.
Described colour developing/colour comparator is to be composed in series by infusion pipeline by the microspectrophotometer of discrete each other uncovered colour developing pond with the band flow cell.
Described uncovered colour developing pond open topped is communicated with atmosphere, periphery is provided with the temperature control well heater, its underpart is provided with magnetic stirrer, institute's inlet of opening by threeway with adopt automatically/impregnator and a peristaltic pump be connected, its liquid outlet by three-way solenoid valve respectively with microspectrophotometer in the flow cell inlet and distill tank and be connected; The center of the microspectrophotometer of described band flow cell is a flow cell, the flow cell inlet is connected with the three-way solenoid valve of bottom, uncovered colour developing pond, outlet is connected with a peristaltic pump, and is respectively equipped with monochromatic collimated beam source and photoelectric commutator in the relative both sides of flow cell.
Described high precision piston pump is made of the stepper motor driven syringe of metering, and its measuring accuracy of adopting, annotating sample reaches the 0.87 μ l/ step.
The utility model is owing to adopted sampling with high precision, priming device, and it is adopted, the fluid injection precision improves greatly and even reach micro updating, has improved analytical accuracy and reappearance; Single-chip microcomputer is controlled high precision piston pump to adopting liquid, fluid injection enforcement adjusting with photometric signal, realized the robotization that constant is gathered to the sample liquid of the big concentration change of trace, enlarged the concentration range of liquor analysis, and made at the liquor analysis of variable concentrations accurate more, reliable; Colour developing/colour comparator is taked with the colour developing pond of temperature control, stirring and the discrete structure of microspectrophotometer of band flow cell, can improve chromogenic reaction speed greatly by heating, the bubble that can avoid again heating generation enters in the flow cell of microspectrophotometer, interference ratio coloured light road; That joins comprises with many rings, the coordination control of single-chip microcomputer to all detecting units: set heating-up temperature/time, the automatic emptying of peristaltic pump etc. flexibly, realized full unit, global function, the strong robotization of coordinating, make this instrument be suitable for industry online, at a high speed, high precision, big concentration difference analytical test.
Description of drawings: the utility model is further made an explanation below in conjunction with accompanying drawing.
Fig. 1 is the structural principle synoptic diagram of embodiment of the present utility model.
Electronic multiple valve sample states synoptic diagram when Fig. 2 is the constant sample mode.
Electronic multiple valve when Fig. 3 is the constant sample mode is annotated the sample view.
Electronic multiple valve sample states synoptic diagram when Fig. 4 is the trace sample mode.
Electronic multiple valve when Fig. 5 is the trace sample mode is annotated the sample view.
Embodiment: as shown in Figure 1: high-speed automatic colorimetric analyzer embodiment, be by adopting automatically/impregnator, the all unit of colour developing/colour comparator connect composition in regular turn, and gather Various types of data (data acquisition is represented with the dotted line of " coming to arrow ") respectively from above-mentioned all unit by single-chip microcomputer 4, the control analysis instrument carries out colorimetric analysis automatically after the data processing, show (control relation is represented with the dotted line of " whereabouts arrow "), wherein output/input peripheral 4-1 realizes data presentation and man-machine communication, it is characterized in that: described adopting automatically/impregnator, it is the electronic multiple valve 1 that adopts eight channel-types, its valve opening is divided into three groups, wherein A group valve opening is connected three respectively respectively in order to contain sample liquid, the liquid bath A1 of reagent and boosting liquid (or eluent), A2, A3, high precision piston pump B1 of B group each self-closing of valve opening, B2, B3, C group valve opening C1, C2 converges the inlet 2 that uncovered colour developing pond 6 is connected in the back, and certain is to valve opening C3, be serially connected with sampling ring 3 between C4.
Described single-chip microcomputer 4 be provided with photometric signal to adopt, the control loop of injection amount, can regulate feed liquor amount and reservoir quantity according to the described high precision piston pump B1 of 5 controls of the luminosity value in the colour developing/colour comparator, B2, B3 to sample liquid, reagent and boosting liquid (or eluent).
Described colour developing/colour comparator is that the microspectrophotometer 7 by discrete each other uncovered colour developing pond 6 and band flow cell is composed in series by infusion pipeline.
Described uncovered colour developing pond 6 open topped are communicated with atmosphere, periphery is provided with temperature-sensitive head 8-0 and temperature control well heater 8, its underpart is provided with magnetic stirrer 9, the inlet of opening 2 by threeway with adopt automatically/liquid injection port C1, C2 and a peristaltic pump 12 of impregnator be connected, its liquid outlet 10 is connected with flow cell inlet 11 and distillation tank 19 in the microspectrophotometer 7 respectively by three-way solenoid valve 18; The center of the microspectrophotometer 7 of described band flow cell is a flow cell 13, the inlet 11 of flow cell 13 is connected with the three-way solenoid valve 18 of 6 bottoms, uncovered colour developing pond, outlet 14 is connected with a peristaltic pump 15, and is respectively equipped with monochromatic collimated beam source 16 and photoelectric commutator 17 in transparent flow cell 13 relative both sides.
Described high precision piston pump B1, B2, B3 are made of the syringe that metering stepper motor (by illustrating) drives, and its measuring accuracy of adopting, annotating sample reaches the 0.87 μ l/ step.
As shown in Figure 2: the valve opening stream of electronic multiple valve 1, by being close to and can two valve block stator 1-1 and rotor 1-2 (all launching expression) institute form in relative rotation around axle, horizontal line among stator 1-1 and the rotor 1-2 is represented the valve block internal path, the sealing of cross " * " expression path, the solid arrow express liquid flows to (down together).On stator 1-1, high precision piston pump B1, valve opening that B3 connects are adjacent in turn, and the C4 of the sampling ring 3 end institute valve opening that connects is alternate in turn with valve opening that B3 connects, high precision piston pump valve opening that B2 connects again with C4 hold the valve opening that connects alternate in turn; On rotor 1-2, sampling ring 3 holds valve opening that C3 connects and fluid injection stream C1, valve opening that C2 connects alternate in turn in addition, feed liquor stream A3, A1, valve opening that A2 connects are also alternate in turn, and C3 and fluid injection stream C1, valve opening that C2 connects are adjacent in turn with feed liquor stream A3, A1, valve opening that A2 connects again; When doing the constant sampling, sample liquid concentration need not enrichment, the rotor 1-2 of the electronic multiple valve 1 of single-chip microcomputer 4 control rotates and switches: with high precision piston pump B1, sampling ring 3 and boosting liquid (eluent) groove A1 is vacant need not, and high precision piston pump B3, B2 are docked and connected with feed liquor stream A3, A2 respectively, and drive stepping motor (not shown) drive high precision piston pump B3, B2 measure drawing liquid to sample liquid and reagent in two grooves respectively.
Shown in Fig. 3,1: above-mentioned metering, drawing liquid action are finished, when changing constant notes sample over to, the rotor 1-2 of the electronic multiple valve 1 of single-chip microcomputer 4 controls rotates and switches: high precision piston pump B2 and fluid injection stream C2 are docked and connected, the C3 end of high precision piston pump B3 and sampling ring 3 is docked and connected, the C4 of while sampling ring 3 holds just and fluid injection stream C1 is docked and connected, and drive stepping motor (not shown) drive high precision piston pump B3, B2 do to measure fluid injections to uncovered colour developing pond 6 bottom inlets 2 respectively; This moves simultaneously, single-chip microcomputer 4 control peristaltic pumps 12 are closed and whole uncovered colour developing pond 6 systems heat up, stir, colour developing, and control three-way solenoid valve 18 is closed distillation tank 19 pipelines, and the inlet 11 of flow cell 13 is connected with the liquid outlet 10 in uncovered colour developing pond 6, control peristaltic pump 15 6 extracts colour developing sample liquid are accepted monochromatic collimated beam source 16 and photoelectric commutator 17 to flow cell 13 colorimetric detection from uncovered colour developing pond, then, single-chip microcomputer 4 is to output/input peripheral 4-1 output testing result and record, then, single-chip microcomputer 4 drives the peristaltic pump 12 at inlet 2 places and exports the peristaltic pump 15 emptying raffinates at 14 places, cooperate the three-way solenoid valve 18 extraction distilled water at inlet 11 places to clean two ponds and pipeline, and enter the analysis cycle of next round sample.
As shown in Figure 4: high-speed automatic colorimetric analyzer of the present utility model, when doing the trace sampling, sample liquid concentration is extremely low, fill enriching column in the sampling ring 3, all be same as the constant sampling in the C4 of high precision piston pump B1, B2 on the stator 1-1, B3, sampling ring 3 end, feed liquor stream A1, A2, A3, fluid injection stream C1, the C2 on rotor 1-2, the C4 end institute valve opening that the connects relation of sampling ring 3, contain sample liquid among the A1 but change into, contain eluent among the A3; At this moment, the rotor 1-2 of the electronic multiple valve 1 of single-chip microcomputer 4 controls rotates and switches: the feed liquor stream of high precision piston pump valve opening that B3 connects and eluant groove A3 is docked and connected, the C3 end of high precision piston pump valve opening that B1 connects and sampling ring 3 is docked and connected, the C4 end of sampling ring 3 is docked and connected with sample liquid bath A1 feed liquor stream, the feed liquor stream of high precision piston pump valve opening that B2 connects and reagent trough A2 is docked and connected, and the drive stepping motor (not shown) drives high precision piston pump B1, B2, B3 is respectively from A1, A2, A3 measures drawing liquid, confirms the extraction amount of each liquid up to single-chip microcomputer 4.
As Fig. 5, shown in 1: above-mentioned metering, the drawing liquid action is finished, when changing trace notes sample over to, the rotor 1-2 of the electronic multiple valve 1 of single-chip microcomputer 4 controls rotates and switches: make unnecessary sample liquid in the high precision piston pump B1 blowdown pump, high precision piston pump valve opening that B2 connects and fluid injection stream C2 are docked and connected, B3 the C3 end of the valve opening that connects and sampling ring 3 be docked and connected, and the C4 end valve opening that connects and the fluid injection stream C1 of sampling ring 3 are docked and connected, then, single-chip microcomputer 4 drive stepping motor (not shown) drive high precision piston pump B3 and release pumped storage eluent wherein, test substance wash-out with enrichment in the enriching column of sampling ring 3, inject uncovered colour developing pond 6 through inlet 2, and make the reagent among the high precision piston pump B2 also in uncovered colour developing pond 6, do the metering fluid injection respectively through inlet 2; This moves simultaneously, single-chip microcomputer 4 control peristaltic pumps 12 are closed and whole uncovered colour developing pond 6 systems heat up, stir, colour developing, and control three-way solenoid valve 18 is closed distillation tank 19 pipelines, and the inlet 11 of flow cell 13 is connected with the liquid outlet 10 in uncovered colour developing pond 6, control peristaltic pump 15 6 extracts colour developing sample liquid are accepted monochromatic collimated beam source 16 and photoelectric commutator 17 to flow cell 13 colorimetric detection from uncovered colour developing pond, if photometric signal is not obvious, single-chip microcomputer 4 will drive accent such as high precision piston pump B1 and increase sample liquid and extract and reservoir quantity, up to suitable shading value occurring, then, single-chip microcomputer 4 is to output/input peripheral 4-1 output testing result and record, then single-chip microcomputer 4 drives the peristaltic pump 12 at inlet 2 places again and exports the peristaltic pump 15 emptying raffinates at 14 places, cooperate the three-way solenoid valve 18 extraction distilled water at inlet 11 places to clean two ponds and pipeline, and enter the analysis cycle of next round sample.
For the analysis of the high sample liquid of testing concentration, only need to use the sampling ring 3 of hollow, and change eluent into boosting liquid, get final product according to the similar process analysis of Fig. 4, Fig. 5.
Claims (5)
1, a kind of high-speed automatic colorimetric analyzer, comprise automatically adopting/impregnator, colour developing/colour comparator and the control system that can gather/handle Various types of data and carry out automatic colorimetric analysis/demonstration, adopt automatically/impregnator is connected in series mutually with colour developing/colour comparator, be connected with above-mentioned control system respectively simultaneously, it is characterized in that describedly adopting automatically/impregnator be for can make high precision piston pump and feed tube, liquid injection pipe dock and adopt the electronic multiple valve of liquid, the switching of fluid injection state.
2, high-speed automatic colorimetric analyzer according to claim 1, it is characterized in that electronic multiple valve is provided with eight passages or 12 passages, its valve opening is divided into three groups, wherein A group valve opening is connected sample liquid bath, reagent trough, boosting liquid (or eluent) groove respectively, B organizes each valve opening and joins with high precision piston pump respectively, be serially connected with the sampling ring of hollow or filling enriching column in the C group valve opening between two valve openings, all the other valve openings converge the back and join with colour developing/colour comparator inlet.
3, high-speed automatic colorimetric analyzer according to claim 1 and 2 is characterized in that described control system is formed by output/input peripheral and single-chip microcomputer serial connection.
4, high-speed automatic colorimetric analyzer according to claim 3, it is characterized in that developing the color/colour comparator is by uncovered colour developing pond and be with the microspectrophotometer of flow cell to be in series by infusion pipeline.
5, high-speed automatic colorimetric analyzer according to claim 4, it is characterized in that uncovered colour developing pond open topped is communicated with atmosphere, periphery is provided with the temperature control well heater, its underpart is provided with magnetic stirrer, inlet by threeway with adopt automatically/impregnator and peristaltic pump be connected, its liquid outlet is connected with flow cell inlet and distillation tank in the microspectrophotometer respectively by three-way solenoid valve; The center of the microspectrophotometer of described band flow cell is a flow cell, and the flow cell inlet is connected with the three-way solenoid valve of bottom, uncovered colour developing pond, and outlet is connected with peristaltic pump, and the relative both sides of flow cell are respectively equipped with monochromatic collimated beam source and photoelectric commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01257301 CN2575677Y (en) | 2001-11-07 | 2001-11-07 | Ultra sound wave sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01257301 CN2575677Y (en) | 2001-11-07 | 2001-11-07 | Ultra sound wave sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575677Y true CN2575677Y (en) | 2003-09-24 |
Family
ID=33666095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01257301 Expired - Fee Related CN2575677Y (en) | 2001-11-07 | 2001-11-07 | Ultra sound wave sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2575677Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424557A (en) * | 2012-05-14 | 2013-12-04 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN104089939A (en) * | 2014-07-21 | 2014-10-08 | 深圳市奥特库贝科技有限公司 | Novel fluorescence determination device and method |
| CN104713768A (en) * | 2013-12-16 | 2015-06-17 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Digestion reactor and analytical device for determining a digestion parameter of a liquid sample |
-
2001
- 2001-11-07 CN CN 01257301 patent/CN2575677Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424557A (en) * | 2012-05-14 | 2013-12-04 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN103424557B (en) * | 2012-05-14 | 2014-07-16 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN104713768A (en) * | 2013-12-16 | 2015-06-17 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Digestion reactor and analytical device for determining a digestion parameter of a liquid sample |
| CN104089939A (en) * | 2014-07-21 | 2014-10-08 | 深圳市奥特库贝科技有限公司 | Novel fluorescence determination device and method |
| CN104089939B (en) * | 2014-07-21 | 2016-08-17 | 深圳市奥特库贝科技有限公司 | A kind of fluorescence determination device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Trojanowicz | Flow injection analysis | |
| Rocks et al. | FLow-injection analysis: a new approach to quantitative measurements in clinical chemistry. | |
| Cerdá et al. | Flow analysis: a practical guide | |
| Ṙuz̆ic̆ka et al. | Flow injection analyses: Part I. A new concept of fast continuous flow analysis | |
| CN216160613U (en) | Application flow path for water treatment or detection | |
| Růžička et al. | Flow injection analysis. Principles, applications and trends | |
| CN107561198A (en) | A kind of liquid chromatograph automatic sampler | |
| CN209821226U (en) | Miniature on-spot automatic nutritive salt analysis appearance under water based on improve SIA technique | |
| CN1344934A (en) | Automatic in-situ permanganate index analyzer | |
| CN2575677Y (en) | Ultra sound wave sensor | |
| CN209662677U (en) | It is a kind of to match liquid layer analysis apparatus online | |
| CN1749750A (en) | High efficiency liquid phase chromatograph | |
| CN1359005A (en) | High-precision fully automatic photomatrix titrimetric analysis instrument | |
| CN1346984A (en) | High-speed automatic colorimetric analyzer | |
| CN2504640Y (en) | High precision, fully automatic photometric titrimetric analyzer | |
| CN202330372U (en) | Ion chromatography system for detecting petroleum drilling solution in an online manner | |
| CN213398183U (en) | Ultraviolet-visible light photometry system | |
| CA1286961C (en) | Dilution apparatus and method | |
| US20060210961A1 (en) | Method and system for analysing a liquid sample | |
| US4272483A (en) | Solution handling apparatus and method | |
| JPH0222911B2 (en) | ||
| CN208420807U (en) | A kind of pump of bivalve three highly effective liquid phase chromatographic system | |
| Korenaga et al. | Computer-controlled micropump suitable for precise microliter delivery and complete in-line mixing | |
| CN216747039U (en) | Full-automatic sample pretreatment device | |
| CN205103265U (en) | Full -automatic flow injection analysis appearance of integral net accuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030924 Termination date: 20091207 |