CN107831123A - One kind can be vented alveolitoid automatic sampling apparatus and sample injection method - Google Patents
One kind can be vented alveolitoid automatic sampling apparatus and sample injection method Download PDFInfo
- Publication number
- CN107831123A CN107831123A CN201711031413.6A CN201711031413A CN107831123A CN 107831123 A CN107831123 A CN 107831123A CN 201711031413 A CN201711031413 A CN 201711031413A CN 107831123 A CN107831123 A CN 107831123A
- Authority
- CN
- China
- Prior art keywords
- sample introduction
- sampling
- waste liquid
- syringe
- introduction module
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
One kind can be vented alveolitoid automatic sampling apparatus and sample injection method, and the device includes micro syringe, motor, lead screw gear, peristaltic pump, magnetic valve, threeway, Washing cup, sampling sample introduction module and waste liquid cup；The post core afterbody connection lead screw gear of micro syringe, lead screw gear connection motor；The barrel tip of micro syringe sets steam vent, sets closed chuck that steam vent is connected with waste liquid cup outside the steam vent；The import connection Washing cup of peristaltic pump, outlet connection magnetic valve；Threeway connects magnetic valve, micro syringe dispensing end and sampling sample introduction module respectively；Sampling sample introduction module includes sampling end, sample rotating disk and waste liquid outlet, waste liquid outlet connection waste liquid cup.The problem of which solves bubble is mixed into syringe during sample introduction and connecting tube, improve the stability of sample size, it is ensured that the reappearance of testing result；Liquid overflows corrosion internal part along micro syringe end during solving the problems, such as syringe Reusability, reduces the maintenance rate of automatic sampler, improves the quality of automatic sampler.
Description
Technical field
Type of the present invention is related to a kind of automatic data collection and injected sample, more particularly to available for graphite furnace atomic absorption spectrophotometer
Bubble-free automatic sampling apparatus.
Background technology
Atomic Absorption Spectrometer is made up of light source, atomization system, beam splitting system and detecting system.Instrument is from light source spoke
The light with elemental characteristic spectral line to be measured is projected, by being absorbed during sample steam by element ground state atom to be measured in steam, by
Degree that radiation feature spectral line light is weakened determines the content of element to be measured in sample.Atomic Absorption Spectrometer it is sensitive, accurate
Really, the features such as easy, metallurgy, geology, mining, oil, light industry, agricultural, medicine, health, food and environment have been widely used in
Constant and the micro-trace elements analysis of monitoring etc..
Existing graphite furnace atomic absorption spectrophotometer automatic sampling apparatus structure is similar to micro syringe, its course of work
Cleaning, sample introduction, cleaning, micro syringe are easily mixed into bubble in imbibition and discharge opeing process, influence the stability of sample size, this
Liquid overflows along micro syringe end during external perseveration, corrodes internal part.
The content of the invention
Bubble and liquid are mixed into existing automatic sampling apparatus sample introduction pipeline along micro syringe end spilling in order to overcome
The problem of, the present invention, which provides one kind, can be vented alveolitoid automatic sampling apparatus.
To achieve the above object, the present invention includes following technical scheme：
One kind can be vented alveolitoid automatic sampling apparatus, including micro syringe 9, motor 6, lead screw gear 5, peristaltic pump
3rd, magnetic valve 4, threeway 8, Washing cup 7, sampling sample introduction module 1 and waste liquid cup 11；
The post core afterbody connection lead screw gear 5 of micro syringe 9, lead screw gear 5 connect motor 6；Micro note
The barrel tip of emitter 9 sets steam vent 91, and closed chuck 10 is set outside the steam vent by steam vent 91 and the phase of waste liquid cup 11
Connection；
The import connection Washing cup 7 of peristaltic pump 3, outlet connection magnetic valve 4；
Threeway 8 connects magnetic valve 4, the dispensing end of micro syringe 9 and sampling sample introduction module 1 respectively；
Sampling sample introduction module 1 includes sampling end 101, sample rotating disk 102 and waste liquid outlet 103, and the connection of waste liquid outlet 103 is useless
Liquid cup 11.
Alveolitoid automatic sampling apparatus can be vented as described above, it is characterised in that the position of the steam vent 91 is away from micro
1~4cm of syringe barrel tip.
Alveolitoid automatic sampling apparatus can be vented as described above, it is characterised in that a diameter of 1- of the steam vent 91
2mm。
On the other hand, the present invention provides a kind of Atomic Absorption Spectrometer, and it is automatic with that can be vented alveolitoid as described above
Sampling device.
Another further aspect, the present invention provide a kind of Atomic Absorption Spectrometer auto injection method, and this method uses as described above
Be vented alveolitoid automatic sampling apparatus, concrete operation step is as follows：
I. syringe and sampling sample introduction module are cleaned
Threeway 8 is adjusted to magnetic valve 4, the dispensing end of micro syringe 9 and sampling sample introduction module 1 and is interconnected, micro note
The post core of emitter 9 is evacuated to end, syringe inner chamber, steam vent 91 is connected with waste liquid cup 11；Peristaltic pump 3 and magnetic valve 4 are opened,
The cleaning fluid in Washing cup 7 is extracted, respectively enters micro syringe 9 and sampling sample introduction module 1 through magnetic valve 4 and threeway 8, and divide
Do not flow into waste liquid cup 11 from the waste liquid hole 103 of the steam vent 91 of micro syringe 9 and sampling sample introduction module 1, realize exhaust bubble and
Cleaning operation；The post core of micro syringe 9 is pushed into dispensing end after the completion of cleaning；
II. sample introduction
Peristaltic pump 3 and magnetic valve 4 are closed, threeway 8 is adjusted to the dispensing end of micro syringe 9 and the sampling phase of sample introduction module 1
It is intercommunicated, open connection motor 6；The control of motor 6 lead screw gear 5 pumps the post core of micro syringe 9, with micro syringe
The pipette samples of sampling end 101 of 9 connections are subsequently injected into the sample cell arranged on sample rotating disk 102；
III. cleaning sampling sample introduction module
The post core of micro syringe 9 is pushed into dispensing end, threeway 8 is adjusted to magnetic valve 4 and the sampling phase of sample introduction module 1
It is intercommunicated, open peristaltic pump 3 and magnetic valve 4；Peristaltic pump 3 extracts the cleaning fluid in Washing cup 7, enters through magnetic valve 4 and threeway 8
Sample introduction module 1 is sampled, and waste liquid cup 11 is flowed into from the waste liquid hole 103 of sampling sample introduction module 1, realizes cleaning sampling sample introduction module
Operation.
The beneficial effects of the present invention are solve the problems, such as to be mixed into bubble in syringe and connecting tube, improve sample introduction
The stability of amount, it is ensured that the reappearance of testing result；Liquid is solved during syringe Reusability along micro syringe
The problem of corrosion internal part, is overflowed in end, reduces the maintenance rate of auto injection gas, improves the quality of automatic sampler.
Brief description of the drawings
Fig. 1 is the structural representation that the embodiment of the present invention 1 can be vented alveolitoid automatic sampling apparatus.
The state and structural representation of micro syringe when Fig. 2 is the step I of the embodiment of the present invention 1 cleaning exhausts.
Fig. 3 is sectional views of the Fig. 2 along A-A faces.
Fig. 4 is the state and structural representation of micro syringe when the step II sampling steps of the embodiment of the present invention 1 start.
Fig. 5 is the sampling internal structure schematic diagram of sample introduction module 1.
Embodiment
For be expanded on further the present invention be vented alveolitoid automatic sampling apparatus, with reference to embodiment make more say in detail
It is bright.
Embodiment 1 can be vented alveolitoid automatic sampling apparatus
As shown in figure 1, can be vented alveolitoid automatic sampling apparatus include micro syringe 9, motor 6, lead screw gear 5,
Peristaltic pump 3, magnetic valve 4, threeway 8, Washing cup 7, sampling sample introduction module 1 and waste liquid cup 11.
The post core afterbody connection lead screw gear 5 of micro syringe 9, lead screw gear 5 connect motor 6.As Fig. 2-
Shown in Fig. 4, the barrel tip away from micro syringe 9 sets a diameter of 1-2mm steam vent 91 about at 1cm, outside the steam vent
Closed chuck 10 is set, steam vent 91 is connected with waste liquid cup 11.The import connection Washing cup 7 of peristaltic pump 3, outlet connection electromagnetism
Valve 4.Threeway 8 connects magnetic valve 4, the dispensing end of micro syringe 9 and sampling sample introduction module 1 respectively.As shown in figure 5, sampling sample introduction
Component 1 includes sampling end 101, sample rotating disk 102 and waste liquid outlet 103, and waste liquid outlet 103 connects waste liquid cup 11.
To be vented the concrete operation step that alveolitoid automatic sampling apparatus cleaned and sampled as follows using above-mentioned：
I. syringe and sampling sample introduction module are cleaned
Threeway 8 is adjusted to magnetic valve 4, the dispensing end of micro syringe 9 and sampling sample introduction module 1 and is interconnected, micro note
The post core of emitter 9 is evacuated to end, syringe inner chamber, steam vent 91 is connected with waste liquid cup 11；Peristaltic pump 3 and magnetic valve 4 are opened,
The cleaning fluid in Washing cup 7 is extracted, respectively enters micro syringe 9 and sampling sample introduction module 1 through magnetic valve 4 and threeway 8, and divide
Do not flow into waste liquid cup 11 from the waste liquid hole 103 of the steam vent 91 of micro syringe 9 and sampling sample introduction module 1, realize exhaust bubble and
Cleaning operation；The post core of micro syringe 9 is pushed into dispensing end after the completion of cleaning, as shown in Figure 4.
II. sample introduction
Peristaltic pump 3 and magnetic valve 4 are closed, threeway 8 is adjusted to the dispensing end of micro syringe 9 and the sampling phase of sample introduction module 1
It is intercommunicated, open connection motor 6；The control of motor 6 lead screw gear 5 pumps the post core of micro syringe 9, with micro syringe
The pipette samples of sampling end 101 of 9 connections are subsequently injected into the sample cell arranged on sample rotating disk 102.
III. cleaning sampling sample introduction module
The post core of micro syringe 9 is pushed into dispensing end, threeway 8 is adjusted to magnetic valve 4 and the sampling phase of sample introduction module 1
It is intercommunicated, open peristaltic pump 3 and magnetic valve 4；Peristaltic pump 3 extracts the cleaning fluid in Washing cup 7, enters through magnetic valve 4 and threeway 8
Sample introduction module 1 is sampled, and waste liquid cup 11 is flowed into from the waste liquid hole 103 of sampling sample introduction module 1, realizes cleaning sampling sample introduction module
Operation.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification, thus it is all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (5)
1. one kind can be vented alveolitoid automatic sampling apparatus, it is characterised in that it includes micro syringe (9), motor (6), leading screw
Transmission device (5), peristaltic pump (3), magnetic valve (4), threeway (8), Washing cup (7), sampling sample introduction module (1) and waste liquid cup
(11)；
The post core afterbody connection lead screw gear (5) of micro syringe (9), lead screw gear (5) connection motor (6)；It is micro-
The barrel tip for measuring syringe (9) sets steam vent (91), and closed chuck (10) is set outside the steam vent by steam vent (91)
It is connected with waste liquid cup (11)；
The import connection Washing cup (7) of peristaltic pump (3), outlet connection magnetic valve (4)；
Threeway (8) connects magnetic valve (4), micro syringe (9) dispensing end and sampling sample introduction module (1) respectively；
Sampling sample introduction module (1) includes sampling end (101), sample rotating disk (102) and waste liquid outlet (103), waste liquid outlet (103)
Connect waste liquid cup (11).
2. according to claim 1 be vented alveolitoid automatic sampling apparatus, it is characterised in that the position of the steam vent (91)
Put away from 1~4cm of micro syringe barrel tip.
3. according to claim 1 or 2 be vented alveolitoid automatic sampling apparatus, it is characterised in that the steam vent (91)
A diameter of 1-2mm.
4. a kind of Atomic Absorption Spectrometer, it is characterised in that it has is vented alveolitoid any one of claim 1-4
Automatic sampling apparatus.
A kind of 5. Atomic Absorption Spectrometer auto injection method, it is characterised in that this method usage right requires any one of 1-4
Described is vented alveolitoid automatic sampling apparatus, and concrete operation step is as follows：
I. syringe and sampling sample introduction module are cleaned
Threeway (8) regulation to magnetic valve (4), micro syringe (9) dispensing end and sampling sample introduction module (1) are interconnected, it is micro-
The post core of amount syringe (9) is evacuated to end, syringe inner chamber, steam vent (91) is connected with waste liquid cup (11)；Open peristaltic pump
(3) cleaning fluid in Washing cup (7) and magnetic valve (4), is extracted, micro syringe is respectively enterd through magnetic valve (4) and threeway (8)
(9) and sample introduction module (1) is sampled, and respectively from the steam vent (91) of micro syringe (9) and the waste liquid of sampling sample introduction module (1)
Hole (103) flows into waste liquid cup (11), realizes exhaust bubble and cleaning operation；The post core of micro syringe (9) is pushed away after the completion of cleaning
Deliver to dispensing end；
II. sample introduction
Peristaltic pump (3) and magnetic valve (4) are closed, by threeway (8) regulation to micro syringe (9) dispensing end and sampling sample introduction module
(1) it is interconnected, opens connection motor (6)；Motor (6) control lead screw gear (5) pumps the post of micro syringe (9)
Core, sampling end (101) pipette samples being connected with micro syringe (9) are subsequently injected into the sample arranged on sample rotating disk (102)
Guan Zhong；
III. cleaning sampling sample introduction module
The post core of micro syringe (9) is pushed into dispensing end, by threeway (8) regulation to magnetic valve (4) and sampling sample introduction module
(1) it is interconnected, opens peristaltic pump (3) and magnetic valve (4)；Peristaltic pump (3) extracts the cleaning fluid in Washing cup (7), through electromagnetism
Valve (4) and threeway (8) enter sampling sample introduction module (1), and flow into waste liquid cup from the waste liquid hole (103) of sampling sample introduction module (1)
(11) operation of cleaning sampling sample introduction module, is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031413.6A CN107831123A (en) | 2017-10-27 | 2017-10-27 | One kind can be vented alveolitoid automatic sampling apparatus and sample injection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031413.6A CN107831123A (en) | 2017-10-27 | 2017-10-27 | One kind can be vented alveolitoid automatic sampling apparatus and sample injection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107831123A true CN107831123A (en) | 2018-03-23 |
Family
ID=61650931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711031413.6A Pending CN107831123A (en) | 2017-10-27 | 2017-10-27 | One kind can be vented alveolitoid automatic sampling apparatus and sample injection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107831123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359686A (en) * | 2020-03-19 | 2020-07-03 | 广州大学 | Continuous sample injection system of injection pump and control method thereof |
| CN112666088A (en) * | 2021-01-21 | 2021-04-16 | 上海菁一科技有限公司 | Spectrophotometry test method sample treatment test capsule |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063359A (en) * | 1992-02-24 | 1992-08-05 | 杨建宁 | The common sample introduction method of atomic absorption spectrophotometer (AAS) and equipment |
| CN1346979A (en) * | 2001-11-20 | 2002-05-01 | 上海精密科学仪器有限公司 | Automatic air bubble exhauster for automatic sample feeder of graphite oven |
| CN2502273Y (en) * | 2001-11-23 | 2002-07-24 | 北京吉大小天鹅仪器有限公司 | Sequential sample injection device for atomic fluorescence spectrograph |
| CN201780260U (en) * | 2010-08-16 | 2011-03-30 | 山东省科学院海洋仪器仪表研究所 | Automatic sampling cleaning system for optical measuring device and optical measuring device |
| CN202093000U (en) * | 2011-06-10 | 2011-12-28 | 广东中烟工业有限责任公司 | Sample treatment system applied to chromatographic analysis |
| CN203443885U (en) * | 2013-09-04 | 2014-02-19 | 贵州省烟草科学研究院 | Portable sample introduction device for atomic absorption spectrometer |
| CN105445484A (en) * | 2015-12-22 | 2016-03-30 | 四川大学 | Flow injection analysis apparatus with exhausting function and exhausting method for flow injection analysis |
| CN206330988U (en) * | 2016-12-25 | 2017-07-14 | 渔仁堂生物科技（湛江）有限公司 | A kind of automatic sampling apparatus of atomic fluorescence spectrophotometer |
| CN206546325U (en) * | 2017-02-09 | 2017-10-10 | 东莞市四丰检测技术有限公司 | Graphite furnace integral type photometer |
-
2017
- 2017-10-27 CN CN201711031413.6A patent/CN107831123A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063359A (en) * | 1992-02-24 | 1992-08-05 | 杨建宁 | The common sample introduction method of atomic absorption spectrophotometer (AAS) and equipment |
| CN1346979A (en) * | 2001-11-20 | 2002-05-01 | 上海精密科学仪器有限公司 | Automatic air bubble exhauster for automatic sample feeder of graphite oven |
| CN2502273Y (en) * | 2001-11-23 | 2002-07-24 | 北京吉大小天鹅仪器有限公司 | Sequential sample injection device for atomic fluorescence spectrograph |
| CN201780260U (en) * | 2010-08-16 | 2011-03-30 | 山东省科学院海洋仪器仪表研究所 | Automatic sampling cleaning system for optical measuring device and optical measuring device |
| CN202093000U (en) * | 2011-06-10 | 2011-12-28 | 广东中烟工业有限责任公司 | Sample treatment system applied to chromatographic analysis |
| CN203443885U (en) * | 2013-09-04 | 2014-02-19 | 贵州省烟草科学研究院 | Portable sample introduction device for atomic absorption spectrometer |
| CN105445484A (en) * | 2015-12-22 | 2016-03-30 | 四川大学 | Flow injection analysis apparatus with exhausting function and exhausting method for flow injection analysis |
| CN206330988U (en) * | 2016-12-25 | 2017-07-14 | 渔仁堂生物科技（湛江）有限公司 | A kind of automatic sampling apparatus of atomic fluorescence spectrophotometer |
| CN206546325U (en) * | 2017-02-09 | 2017-10-10 | 东莞市四丰检测技术有限公司 | Graphite furnace integral type photometer |
Non-Patent Citations (1)
| Title |
|---|
| 马克卫: "原子吸收分光光度计中石墨炉自动进样器的自动排气泡装置", 《光谱仪器与分析》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359686A (en) * | 2020-03-19 | 2020-07-03 | 广州大学 | Continuous sample injection system of injection pump and control method thereof |
| CN112666088A (en) * | 2021-01-21 | 2021-04-16 | 上海菁一科技有限公司 | Spectrophotometry test method sample treatment test capsule |
| CN112666088B (en) * | 2021-01-21 | 2023-03-28 | 上海菁一科技有限公司 | Spectrophotometry test method sample treatment test capsule |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105223041B (en) | A kind of fluid sample sampler and method for being used to examine sample detection soon | |
| EP3118629B1 (en) | Dispensing device and dispensing method | |
| CN107831123A (en) | One kind can be vented alveolitoid automatic sampling apparatus and sample injection method | |
| CN206847994U (en) | A kind of sampler suitable for analysis meter | |
| CN103471874A (en) | Automatic quantitative sampling device for barreled steam turbine oil | |
| US4204430A (en) | Automatic liquid flow sampling apparatus | |
| CN105928832A (en) | Capillary viscosity measuring instrument and fluid viscosity measuring method | |
| CN104020487B (en) | The sampling method of fluid sample in hot cell | |
| CN102980789B (en) | Water petroleum pollutant on-line enrichment device | |
| CN104634621B (en) | High pressure trace gas sample analysis instrument | |
| CN115097056A (en) | Full-automatic degassing device for online monitoring of transformer oil chromatography and control method thereof | |
| CN201133904Y (en) | Negative-pressure liquid phase chromatograph | |
| CN106644897A (en) | Counting apparatus for particle counting standard substance | |
| CN106153387A (en) | A kind of automatic liquid-sampling device | |
| CN104865099A (en) | Multifunctional sampling tank suitable for fermented sample treatment | |
| US11480551B2 (en) | Sample injector and sampling method, in particular for liquid chromatography | |
| CN105973647A (en) | Device and method for collecting tiny-volume solution in gap in situ | |
| CN206974734U (en) | A kind of sampler suitable for analytical instrument | |
| CN105259090A (en) | Soil infiltrometer | |
| CN202093000U (en) | Sample treatment system applied to chromatographic analysis | |
| RU2616657C1 (en) | Apparatus for collecting and diluting portions of radioactive solution | |
| CN205808768U (en) | The device of micro volume solution in a kind of in-situ acquisition gap | |
| CN206057012U (en) | A kind of automatic liquid-sampling device | |
| CN205067357U (en) | Mobile detection device of online intermittent type of quality of water | |
| CH700283A1 (en) | Probenhandling- and Injection System for HPLC with sealable pipette tips. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180323 |