CN100489494C - Pumping sampler feeder - Google Patents
Pumping sampler feeder Download PDFInfo
- Publication number
- CN100489494C CN100489494C CNB2004100889765A CN200410088976A CN100489494C CN 100489494 C CN100489494 C CN 100489494C CN B2004100889765 A CNB2004100889765 A CN B2004100889765A CN 200410088976 A CN200410088976 A CN 200410088976A CN 100489494 C CN100489494 C CN 100489494C
- Authority
- CN
- China
- Prior art keywords
- liquid
- control box
- opening
- fluid
- control enclosure
- 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
Abstract
The present invention relates to a pumping sample feeder. The present invention is characterized in that the pumping sample feeder comprises a control box, a liquid pump, a triple valve, a colorimetriA sampler of pump suction type consists of control box with fluid charge mouth, fluid discharge mouth and wasted fluid mouth; fluid pump set in control box; three-way valve set in control box; colorimc utensil, a liquid inlet pipe, a liquid sucking pipe, a liquid draining pipe and a waste liquid pipe, wherein the control box is provided with a liquid sucking opening, a liquid draining opening and etric vessel with a sealed cover at top; fluid charge tube connected to colorimetric vessel top and control box fluid charge mouth; fluid discharge tube connected to colorimetric vessel bottom and cona waste liquid opening; the liquid pump is arranged in the control box, and the outlet of the liquid pump is connected with the waste liquid opening; the triple valve is arranged in the control box, otrol box fluid discharge mouth; and wasted fluid tube connected to wasted fluid mouth of control box. ne end of the triple valve is connected with the inlet of the liquid pump, and the other ends of the triple valve are respectively connected with the liquid draining opening and the waste liquid opening; the top of the colorimetric utensil is provided with a sealing cover; one end of the liquid inlet pipe penetrates through the sealing cover and is positioned at the upper part of the colorimetric utensil; one end of the liquid sucking pipe penetrates through the sealing cover and is positioned at the liquid pre-taking height of the colorimetric utensil, and the other end of the liquid sucking pipe is connected with the liquid sucking opening of the control box; one end of the liquid draining pipe penetrates through the sealing cover and is positioned on the bottom of the colorimetric utensil, and the other end of the liquid draining pipe is connected with the liquid draining opening of the control box; the waste liquid pipe is connected with the waste liquid opening of the control box. The present invention has simple structure and rapid operation, and can be widely used for injecting solution into a colorimetric utensil in testing various spectrophotometers.
Description
Technical field
The present invention relates to a kind of chemical assay instrument, particularly about a kind of pumping sampler feeder that in spectrophotometer, injects solution to cuvette.
Background technology
In soil nutrient was measured, spectrophotometric method was the most common a kind of, and its sensitivity is much higher than the conventional chemical analysis, detects lower limit and can reach 10
-6～10
-5Mol/L, the accuracy of spectrophotometric method is also higher, and generally about 5%, because spectrophotometric method belongs to the microanalysis method, so absolute error only is 10 of a chemical analysis absolute error much smaller than chemical analysis to the relative error of mensuration
-4～10
-3Doubly, this method equipment is simple, easy to operate, and mensuration saves time, so widespread use in soil nutrient is analyzed.In the soil nutrient systems approach to management, the nearly all negative ion and the soil organism all adopt spectrophotometric method.
Spectrophotometer is the important instrument of using in the spectrophotometric analysis, and present spectrophotometric kind and model are various, but principle is all basic identical, mainly is made up of light source, monochromator, cuvette, detecting device and display system.In spectrophotometric analysis, pouring soln is time-consuming job in cuvette.In the efficient test macro of soil nutrient,, be necessary traditional device of pouring soln in cuvette is improved in order to improve the efficient of test job.
Summary of the invention
The purpose of this invention is to provide that a kind of to inject solution speed in cuvette fast, can improve the pumping sampler feeder of test job efficient.
For achieving the above object, the present invention takes following technical scheme: a kind of pumping sampler feeder is characterized in that it comprises: a control enclosure, and it is provided with liquid sucting port, leakage fluid dram and waste liquid mouth; One liquid pump, it is arranged in the described control enclosure, and its outlet connects described waste liquid mouth; One T-valve, it is arranged in the described control enclosure, and an end of described T-valve connects the import of described liquid pump, and two ends connect described leakage fluid dram and waste liquid mouth respectively in addition; One cuvette, its top is provided with a gland bonnet; One feed tube, the one end passes the top that described gland bonnet is positioned at described cuvette; One pipette, one end are passed the predetermined liquid height of getting that described gland bonnet is positioned at described cuvette, and the other end connects the liquid sucting port on the described control enclosure; One discharging tube, the one end passes the bottom that described gland bonnet is positioned at described cuvette, and the other end connects the leakage fluid dram on the described control enclosure; One sewer pipe, it connects the waste liquid mouth of described control enclosure; In described control enclosure, be provided with control circuit, be provided with the fluid injection switch that starts liquid pump respectively on described control enclosure surface, and the draining switch that starts liquid pump and solenoid valve simultaneously.
Also be provided with an adjustable time relay on described control enclosure surface.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is owing to be provided with pipette and the discharging tube that is communicated with liquid pump respectively by three-way solenoid valve, and with pipette, discharging tube, feed tube is connected on the cuvette of sealing, therefore can be by the startup of liquid pump, in cuvette, inject solution easily by pipette and feed tube, and after finishing, the colorimetric operation starts solenoid valve and liquid pump, by discharging tube the solution in the cuvette is discharged, can also be when changing solution, repeatable operation, contrast colors ware and each pipeline clean, and be very easy to use quick.2, therefore the present invention can control the dosage that injects solution in cuvette by the start-up time of control liquid pump owing to be provided with the time relay in circuit, not only easy to operate saving solution, and can realize accurate liquid extracting.3, the present invention needn't carry out any improvement to spectrophotometer, just can solve the difficult problem of pouring liquid trouble in cuvette, thereby improve spectrophotometric work efficiency effectively.The present invention can also be used for the operations such as absorption sample introduction of other small amount of liquid.
Description of drawings
Fig. 1 is a schematic appearance of the present invention
Fig. 2 is a structural representation of the present invention
Fig. 3 is a control circuit schematic diagram of the present invention
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes a control enclosure 1, be provided with a liquid pump 2 and a three-way solenoid valve 3 in control enclosure 1, control enclosure 1 is provided with waste liquid mouth 4, one liquid sucting ports, 5, one leakage fluid drams 6 and a supply socket and a switch 7.The outlet of liquid pump 2 connects waste liquid mouth 4 by a conduit 8, and the import of liquid pump 2 connects solenoid valve 3 by a conduit 9, and the normal opening of solenoid valve 3 connects liquid sucting port 5 by a conduit 10, and the normally closed port of solenoid valve 3 connects leakage fluid dram 6 by a conduit 11.Outside control enclosure 1, a cuvette 12 (it places on the interior colorimetric shelf of spectrophotometer) is set, its top connects a gland bonnet 13.One end of one feed tube 14, a pipette 15 and a discharging tube 16 is passed gland bonnet 13 respectively, make feed tube 14 be positioned at the top of cuvette 12, pipette 15 is positioned at the predetermined liquid height of getting of cuvette 12, and discharging tube 16 is positioned at the bottom of cuvette 12.The other end of pipette 15 and discharging tube 16 is connected liquid sucting port 5 and leakage fluid dram 6 on the control enclosure 1 respectively, a sewer pipe 17 is connected on the waste liquid mouth 4 of control enclosure 1, the liquid feeding end of feed tube 14 is inserted in the container of the solution of looking ahead.
As shown in Figure 3, control circuit of the present invention comprises that one connects the commercially available Switching Power Supply DC of 220 volts of AC power, and it exports 12 volts of direct supplys.Also be connected in parallel between the input end of Switching Power Supply DC a time relay J t and a solenoid valve 3 in the time relay Jt front end fluid injection K switch 1 of also connecting, are provided with the actuation time of time relay Jt, just can determine the time to cuvette 12 fluid injections.The positive pole of Switching Power Supply DC output terminal be connected in parallel a liquid pump 2 and a draining switch K2, be connected an auxiliary reclay J between the negative pole of the other end of draining switch K2 and Switching Power Supply DC output terminal, its first normally opened contact J1 is connected between the negative pole of the other end of liquid pump 2 and Switching Power Supply DC output terminal, and the second normally opened contact J2 of auxiliary reclay J is connected between the positive pole and solenoid valve 3 of AC power.The normally opened contact Jt1 of time relay Jt also is connected in parallel between the negative pole of the other end of liquid pump 2 and Switching Power Supply DC output terminal.Set-up time relay J t on the panel of control enclosure 1, can regulate by touch, imbibition K switch 1 and draining switch K2 also are arranged on the panel of control enclosure 1, a power on light 18 can also be set on panel, auxiliary reclay J is arranged in the control enclosure 1.
As Fig. 2, shown in Figure 3, when the present invention operates, at first push imbibition K switch 1 with hand, time relay Jt coil must be established the beginning timing by cable, contact Jt1 conducting, liquid pump 2 starts; Under the effect of liquid pump 2 suction, pipette 15 makes cuvette 12 form vacuum, connects feed tube 14 beginnings feed liquor in cuvette 12 of solution, treat that relay J t arrives setting-up time, contact Jt1 tripping, liquid pump 2 outages, finish to cuvette 12 fluid injections, spectrophotometer begins to carry out the colorimetric operation.Behind the colorimetric end of operation, pin discharge opeing button K2 with hand, the relay J coil gets, contact J1, J2 conducting, liquid pump 2 and solenoid valve 3 start simultaneously, and close the normal battle of solenoid valve 3, and normally closed point is opened, discharging tube 16 is communicated with liquid pump 2, solution in the cuvette 12 is sucked liquid pump 2 from discharging tube 16, and discharge, after whole liquid are discharged by sewer pipe 17, lift discharge opeing button K2 again, one-period is finished.
If a kind of solution colorimetric finishes, need carry out the colorimetric of another kind of solution, just need to clean cuvette 12 and each pipeline.At this moment can repeatedly repeat aforesaid operations, just can finish the cleaning of contrast colors ware 12 and each pipeline, the solution that suck this moment is water or other wash liquid.That the time set of time relay Jt can be regulated during cleaning operation is long, so that when cuvette 12 fluid injections, liquid height surpasses pipette 15, and enter from pipette 15, by solenoid valve 3, liquid pump 2, enter waste liquid mouth 4 from conduit 8, after flowing out from sewer pipe 17, restart draining switch K2, clean more thorough like this.
The present invention also can not be provided with time relay Jt, and observes the fluid injection height that starts in the liquid pump 2 back cuvettes 12 by hand fluid injection K switch 1, the control fluid injection time, but easy to operate not as time relay Jt is set, also waste liquid.
Claims (2)
1, a kind of pumping sampler feeder is characterized in that it comprises:
One control enclosure, it is provided with liquid sucting port, leakage fluid dram and waste liquid mouth;
One liquid pump, it is arranged in the described control enclosure, and its outlet connects described waste liquid mouth by first conduit;
One three-way solenoid valve, it is arranged in the described control enclosure, and an end of described three-way solenoid valve connects the import of described liquid pump by second conduit, and two ends connect described leakage fluid dram and liquid sucting port by third and fourth conduit respectively in addition;
One cuvette, its top is provided with a gland bonnet;
One feed tube, the one end passes the top that described gland bonnet is positioned at described cuvette;
One pipette, one end are passed the predetermined liquid height of getting that described gland bonnet is positioned at described cuvette, and the other end connects the liquid sucting port on the described control enclosure;
One discharging tube, the one end passes the bottom that described gland bonnet is positioned at described cuvette, and the other end connects the leakage fluid dram on the described control enclosure;
One sewer pipe, it connects the waste liquid mouth of described control enclosure;
In described control enclosure, be provided with control circuit, be provided with the fluid injection switch that starts liquid pump respectively on described control enclosure surface, and the draining switch that starts liquid pump and three-way solenoid valve simultaneously.
2, pumping sampler feeder as claimed in claim 1 is characterized in that: also be provided with an adjustable time relay on described control enclosure surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100889765A CN100489494C (en) | 2004-11-23 | 2004-11-23 | Pumping sampler feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100889765A CN100489494C (en) | 2004-11-23 | 2004-11-23 | Pumping sampler feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779439A CN1779439A (en) | 2006-05-31 |
| CN100489494C true CN100489494C (en) | 2009-05-20 |
Family
ID=36769844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100889765A Expired - Fee Related CN100489494C (en) | 2004-11-23 | 2004-11-23 | Pumping sampler feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100489494C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175622B (en) * | 2011-01-21 | 2014-06-18 | 长沙开元仪器股份有限公司 | Method and device for detecting automatic sample injection of laboratory liquid |
| CN103230912A (en) * | 2013-04-15 | 2013-08-07 | 江苏大学 | Integrated device and method used for detecting COD (Chemical Oxygen Demand) and cleaning cuvette automatically |
| CN103645147A (en) * | 2013-09-06 | 2014-03-19 | 广西壮族自治区林业科学研究院 | Spectrophotometer device achieving automatic sampling |
| CN112748691A (en) * | 2020-11-30 | 2021-05-04 | 济南市疾病预防控制中心 | High-capacity continuous liquid transferring system and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164921C (en) * | 2001-10-30 | 2004-09-01 | 南化集团研究院 | Sampling system of in-line ultraviolet absorption photometric analyzer |
-
2004
- 2004-11-23 CN CNB2004100889765A patent/CN100489494C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164921C (en) * | 2001-10-30 | 2004-09-01 | 南化集团研究院 | Sampling system of in-line ultraviolet absorption photometric analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1779439A (en) | 2006-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101190439B (en) | Automatic cleaning device and method | |
| CN103674663B (en) | Flowing exhaust dyeing instrument | |
| CN102621336B (en) | Automatic reduction apparatus for nitrates in food | |
| CN106733886B (en) | Full-automatic high-efficient western blot membrane washing system | |
| US20240036013A1 (en) | Automated solution-phase synthesizer | |
| CN209296733U (en) | Sample analysis liquid channel system, sample analyser | |
| CN107561198A (en) | A kind of liquid chromatograph automatic sampler | |
| CN203178290U (en) | Full-automatic biochemical ionic analysis liquid path system | |
| US7607363B2 (en) | Liquid volume metering device and method | |
| CN100489494C (en) | Pumping sampler feeder | |
| CN201859140U (en) | Sample injection device of liquid phase automatic sample injector | |
| CN103230897B (en) | A kind of cleaning device and cleaning method | |
| CN208736859U (en) | Water quality on-line monitoring instrument, resolution measurement module and monitoring water quality on line system | |
| CN109444366A (en) | A kind of water quality analytical system and method | |
| CN104297023A (en) | A cell analyzer, a mixing device thereof and a mixing method | |
| CN203664304U (en) | Cuvette washing device | |
| CN200989877Y (en) | Flowing colorimetric utensil | |
| CN112147086A (en) | Water quality on-line monitoring system capable of configuring measurement process at will | |
| CN209589763U (en) | A kind of activated sludge settling ratio detection device with trend record | |
| CN201965136U (en) | Flow path system for automation biochemical reaction flow | |
| CN209485838U (en) | A kind of dilution device of automatic sampling | |
| CN211292258U (en) | Dyeing machine | |
| CN203798649U (en) | Flow dip dyeing apparatus | |
| CN201289442Y (en) | Time-sharing type sewerage equipartition sampling instrument | |
| CN208902751U (en) | Quantitative sample injection and cleaning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090520 Termination date: 20121123 |