CN107024597B - A kind of Full-automatic quantitative sample injector - Google Patents
A kind of Full-automatic quantitative sample injector Download PDFInfo
- Publication number
- CN107024597B CN107024597B CN201610068679.7A CN201610068679A CN107024597B CN 107024597 B CN107024597 B CN 107024597B CN 201610068679 A CN201610068679 A CN 201610068679A CN 107024597 B CN107024597 B CN 107024597B
- Authority
- CN
- China
- Prior art keywords
- carrier gas
- quantitative
- valve body
- interface
- gas interface
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1016—Control of the volume dispensed or introduced
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of Full-automatic quantitative sample injector.Divide automatic sampling component, quantitative ring assemblies, correction three parts of component including sample injector, it is characterized by: automatic sampling component is connect by screw rod with the quantitative cylinder bar in valve body, standard intake interface and lower standard intake interface are respectively equipped on the left of valve body, carrier gas interface and lower carrier gas interface are respectively equipped on the right side of valve body, the baroceptor that valve body side is equipped with, temperature sensing has air pressure collecting equipment, temperature sampler to connect with correction component respectively, and lower carrier gas interface is connect with detector one end.Compared with prior art, a kind of Full-automatic quantitative sample injector, it is rotated by synchronous motor realizes that automatic sampling is in real time corrected the volume of quantitative loop during sample introduction, to improve its dosing accuracy.
Description
Technical field
A kind of Full-automatic quantitative sample injector of the present invention, what is involved is sample introduction quantitative technique fields, are primarily adapted for use in gas
Sample introduction is quantitative.
Background technique
Traditional gas quantitative loop generally uses 6 port valve principles, and 6 port valves are manually switched to sample introduction position, from injection port air inlet, gas
Body enters quantitative loop, is manually switched to later using position.It is that gas circuit has the change beaten, meeting that gas, which is switched to sample bits from sample introduction position,
Flowed fluctuation in gas circuit is caused, will cause big influence when to analysis；Six-way valve can only connect a quantitative loop every time, if you need to change
The volume of quantitative loop needs the quantitative loop more renewed manually.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of designs rationally, structure is simple, adopts
It is rotated with stepper motor, realizes a kind of Full-automatic quantitative sample injector of automatic sampling and correction.
This technology is achieved in that Full-automatic quantitative sample injector includes automatic sampling component, quantitative ring assemblies, correction group
Part, the quantitative ring assemblies include a valve body, and automatic sampling component is connect by screw rod with the quantitative cylinder bar in valve body, valve body
Left side be respectively equipped with standard intake interface and lower standard intake interface, and upper standard intake interface and lower standard intake interface
It is symmetrical arranged, carrier gas interface and lower carrier gas interface, and upper carrier gas interface and lower carrier gas interface pair is respectively equipped on the right side of valve body
Claim setting, be equipped at intervals on quantitative cylinder bar respectively with upper carrier gas interface and lower carrier gas interface, upper standard intake interface and subscript
The channel that quasi- intake interface communicates, interchannel are isolated with sealing ring；Valve body side is equipped with baroceptor and temperature sensor, gas
Pressure sensor and temperature sensor connects with air pressure collecting equipment, the temperature sampler in correction component respectively, lower carrier gas interface and
The connection of detector one end；Air pressure collecting equipment, temperature sampler and the main control singlechip corrected in component connects；Automatic sampling component
Including stepper motor, synchronous driving wheel, synchronous belt and synchronous follower, fixed synchronous driving wheel, synchronous active on stepper motor
Wheel is connected by synchronous belt with synchronous follower, synchronous follower connecting screw.
Number of channels is 8-15, and interchannel is isolated with sealing ring.
Obvious advantage and effect after implementing the technology are: compared with prior art, a kind of Full-automatic quantitative into
Sample device, it is rotated by stepper motor realizes that automatic sampling is in real time corrected the volume of quantitative loop during sample introduction,
To improve its dosing accuracy.
Detailed description of the invention
Fig. 1 is schematic diagram of main cross-sectional structure of the invention,
Wherein, 1- quantifies ring assemblies, 2- automatic sampling component, and 3- corrects component, 4- stepper motor, and 5- synchronizes driving wheel,
6- synchronizes follower, 7- synchronous belt, 8- screw rod, 9- valve body, 10- quantitative cylinder bar, the upper standard intake interface of 11-, standard under 12-
Intake interface, the upper carrier gas interface of 13-, carrier gas interface under 14-, 15- main control singlechip, 16- air pressure collecting equipment, 17- temperature acquisition
Device, 20- baroceptor, 21- temperature sensor, 22- detector, 23- sealing ring, the channel 24-.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described:
As shown in Fig. 1, sample injector includes automatic sampling component 2, quantitative ring assemblies 1, correction 3 three parts of component.
Quantitative ring assemblies 1 include a valve body 9, and automatic sampling component 2 passes through screw rod 8 and the quantitative work being fixed in valve body 9
Stopper rod 10 connects, and the left side of valve body 9 is respectively equipped with standard intake interface 11 and lower standard intake interface 12, the right side of valve body 9
It is respectively equipped with carrier gas interface 13 and lower carrier gas interface 14,9 side of valve body is equipped with baroceptor 20 and temperature sensor 21, gas
Pressure sensor 20 and temperature sensor 21 are connect with air pressure collecting equipment 16, the temperature sampler 17 in correction component 3 respectively, are downloaded
Gas interface 14 is connect with 22 one end of detector；Correct air pressure collecting equipment 16, temperature sampler 17 and the main control singlechip in component 3
15 connections；Automatic sampling component 2 includes stepper motor 4, synchronous driving wheel 5, synchronous belt 7 and synchronous follower 6, stepper motor 4
Upper fixed synchronous driving wheel 5, synchronous driving wheel 5 are connected by synchronous belt 7 with synchronous follower 6, synchronous 6 connecting screw of follower
8。
It is respectively separated and is equipped with and upper carrier gas interface 13 and lower carrier gas interface 14, upper standard intake interface on quantitative cylinder bar 10
11 and the channel 24 that communicates of lower standard intake interface 12, channel 24 have 10, be isolated between channel 24 with sealing ring 23.
See attached drawing 1, be that main control singlechip 15 starts first, manipulate entire sample injector, stepper motor 4 rotates, and drives and synchronizes
Driving wheel 5 drives the rotation of one bar 8 of spiral shell by synchronous belt 7, synchronous follower 6, and the rotation of screw rod 8 makes determining for quantitative ring assemblies 1
It is mobile to measure piston rod 10, standard intake interface 11 and lower standard intake interface 12 and upper carrier gas interface 13 and lower carrier gas connect in connection
Mouth 14, calibrating gas is passed into the channel 24 of quantitative cylinder bar 10 by upper standard intake interface 11, by lower standard intake interface
12 discharges, with moving again for quantitative cylinder bar 10, the calibrating gas in channel 24 enters upper carrier gas interface 13 and lower carrier gas connects
14 channels 24 of mouth, and the gas mixing entered with upper carrier gas interface 13 are sent into detector 22 by lower carrier gas interface 14 and are detected.
At the same time, the main control singlechip 15 on component 3 is corrected by collected temperature, air pressure, passes through calculating, instruction correction component 3
Determined volume is accurately corrected.
Claims (2)
1. a kind of Full-automatic quantitative sample injector, including automatic sampling component, quantitative ring assemblies, correction component, it is characterised in that: institute
Stating quantitative ring assemblies includes a valve body, and automatic sampling component is connect by screw rod with the quantitative cylinder bar in valve body, a left side for valve body
Side is respectively equipped with standard intake interface and lower standard intake interface, and upper standard intake interface and lower standard intake interface are symmetrical
It is arranged, is respectively equipped with carrier gas interface and lower carrier gas interface on the right side of valve body, and upper carrier gas interface and lower carrier gas interface are symmetrically set
Set, be equipped at intervals on quantitative cylinder bar respectively with upper carrier gas interface and lower carrier gas interface, upper standard intake interface and lower standard into
The channel that gas interface communicates, interchannel are isolated with sealing ring；Valve body side is equipped with baroceptor and temperature sensor, air pressure transmission
Sensor and temperature sensor are connect with air pressure collecting equipment, the temperature sampler in correction component respectively, lower carrier gas interface and detection
The connection of device one end；Air pressure collecting equipment, temperature sampler and the main control singlechip corrected in component connects；Automatic sampling component includes
Stepper motor synchronizes driving wheel, synchronous belt and synchronous follower, fixed synchronous driving wheel on stepper motor, and synchronous driving wheel leads to
It crosses synchronous belt to connect with synchronous follower, synchronous follower connecting screw.
2. a kind of Full-automatic quantitative sample injector according to claim 1, it is characterised in that: the quantity in the channel is 8-15
It is a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068679.7A CN107024597B (en) | 2016-02-01 | 2016-02-01 | A kind of Full-automatic quantitative sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068679.7A CN107024597B (en) | 2016-02-01 | 2016-02-01 | A kind of Full-automatic quantitative sample injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107024597A CN107024597A (en) | 2017-08-08 |
| CN107024597B true CN107024597B (en) | 2019-01-18 |
Family
ID=59524840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610068679.7A Active CN107024597B (en) | 2016-02-01 | 2016-02-01 | A kind of Full-automatic quantitative sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107024597B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061590A (en) * | 2018-01-29 | 2018-05-22 | 淮阴工学院 | Vapour-pressure type imbibition detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004104576A1 (en) * | 2003-05-23 | 2004-12-02 | Sensatronic Gmbh | Device for conveying a fluid volume, device and method for the analysis thereof |
| CN1818661A (en) * | 2006-01-16 | 2006-08-16 | 西安交通大学 | Fast On-line sampler with sample feeding for multi-channel gas and catalyst performance determining system |
| US20080216591A1 (en) * | 2006-02-17 | 2008-09-11 | Ryan M Cathryn | Method and system for sampling dissolved gas |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| CN204203177U (en) * | 2014-11-14 | 2015-03-11 | 江苏省质量安全工程研究院 | A kind of mass spectrometer gasometry automatic sampling apparatus |
| CN205562580U (en) * | 2016-02-01 | 2016-09-07 | 上海景瑞阳实业有限公司 | Full -automatic quantitative injector |
-
2016
- 2016-02-01 CN CN201610068679.7A patent/CN107024597B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004104576A1 (en) * | 2003-05-23 | 2004-12-02 | Sensatronic Gmbh | Device for conveying a fluid volume, device and method for the analysis thereof |
| CN1818661A (en) * | 2006-01-16 | 2006-08-16 | 西安交通大学 | Fast On-line sampler with sample feeding for multi-channel gas and catalyst performance determining system |
| US20080216591A1 (en) * | 2006-02-17 | 2008-09-11 | Ryan M Cathryn | Method and system for sampling dissolved gas |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| CN204203177U (en) * | 2014-11-14 | 2015-03-11 | 江苏省质量安全工程研究院 | A kind of mass spectrometer gasometry automatic sampling apparatus |
| CN205562580U (en) * | 2016-02-01 | 2016-09-07 | 上海景瑞阳实业有限公司 | Full -automatic quantitative injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107024597A (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107247109B (en) | Chromatographic system and method | |
| CN201191278Y (en) | Polypropylene on-line gas analysis system | |
| CN207516315U (en) | Non-methane total hydrocarbons detection device | |
| CN203519626U (en) | Automatic calibration device for transformer gas in oil | |
| WO2020155577A1 (en) | Full-two-dimensional gas chromatograph and modulation method | |
| CN104914198A (en) | Automatic gas sample injection apparatus and use method thereof | |
| CN201607352U (en) | Quantitative sampling device for liquid | |
| CN107024597B (en) | A kind of Full-automatic quantitative sample injector | |
| CN103513011A (en) | Automatic calibration device for gas in transformer oil | |
| CN203241406U (en) | Coal dust methane gas diffusion measuring device | |
| CN103913205B (en) | A kind of gas self-measuring device and method | |
| CN213903428U (en) | Non-methane total hydrocarbon analysis device | |
| CN202372422U (en) | Cigarette draw resistance and filter stick pressure drop test head device | |
| CN106345142A (en) | Solid phase extracting device | |
| CN102445498B (en) | Automatic calibration method of process chromatograph | |
| CN201034987Y (en) | Gas chromatograph gas analysis twice sample introduction device | |
| CN105353048A (en) | Device and method for determination of non-methane total hydrocarbon by gas chromatographic analysis | |
| CN205027711U (en) | Gaseous sampling device of six -way valve | |
| CN102928034A (en) | Method and device for metering gas during extraction | |
| CN205562580U (en) | Full -automatic quantitative injector | |
| CN104697822B (en) | A kind of expiration sampling bottle available for SPME | |
| CN207096187U (en) | Chromatographic system | |
| CN203572530U (en) | Real-time gas volume flow measuring instrument | |
| CN204694639U (en) | The T-valve measuring apparatus of water quality on-line monitoring instrument | |
| CN209784317U (en) | Automatic hydrogen sulfide detection device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |