CN205941484U - Gaseous sampling system of gas chromatograph - Google Patents
Gaseous sampling system of gas chromatograph Download PDFInfo
- Publication number
- CN205941484U CN205941484U CN201620561674.3U CN201620561674U CN205941484U CN 205941484 U CN205941484 U CN 205941484U CN 201620561674 U CN201620561674 U CN 201620561674U CN 205941484 U CN205941484 U CN 205941484U
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- gas
- outlet
- sample
- sampling system
- carrier gas
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Abstract
The utility model provides a gaseous sampling system of gas chromatograph, including gaseous sample inlet, gaseous sample outlet, the volume of being used for get the gaseous sample dosing pipe, carrier gas inlet, with the carrier gas export of chromatographic column intercommunication, gaseous sampling system is still including the intercommunication the six -way valve and the drive of the different interfaces in gaseous sample inlet, gaseous sample outlet, carrier gas inlet, carrier gas export, dosing pipe's air inlet, dosing pipe's the gas outlet six -way valve pivoted motor, motor drive the six -way valve rotates and makes gaseous sampling system switches over between kind state with advancing at the sample state, and the rotation of six -way valve has been avoided producing peripheral instrument and has been disturbed by the electric machine control, and has broken away from the restriction that needs external air compressor machine or air bottle, do not need with gas chromatograph communication and mandate, directly can install and use, also convenient the dismantlement in order to divide division with gas chromatograph, can be used for arbitrary gas chromatograph, application scope is wide, the after sales maintenance of being convenient for.
Description
Technical field
This utility model is related to gas chromatogram field, more particularly, to a kind of gas chromatograph gas sampling system.
Background technology
The effect of the sampling system of gas chromatogram is directly or through introducing gas chromatograph after special handling by sample
Vaporizer or chromatographic column are analyzed, and can be divided into different species according to function difference.Wherein, gaseous sample is introduced gas phase color
Spectrometer for gas sampling system.
Adopt stationary gas injector existing gas sampling system more, can be only installed on a gas chromatograph,
Dismounting is difficult, and has to and instrument communication, activation sample introduction instruction, could use；Unwarranted injector cannot be in brand
Use on gas chromatograph, versatility is relatively low.In addition, gas sampler uses pneumatic operated valve, drastically bleeding off pressure of air can be to periphery
Instrument using air produces impact.
In view of this it is necessary to provide a kind of improved gas chromatograph gas sampling system, to solve the above problems.
Utility model content
The purpose of this utility model is to provide and a kind of facilitates dismountable gas chromatograph gas sampling system.
For realizing above-mentioned utility model purpose, this utility model provides a kind of gas chromatograph gas sampling system, tool
There are the sampling state allowing hand over and sample introduction state, described gas sampling system includes gaseous sample entrance, gaseous sample exports,
For measuring the quantity tube of gaseous sample, carrier gas that carrier gas inlet is connected with chromatographic column outlet；Described gas sampling system is also wrapped
Include and connect described gaseous sample entrance, gaseous sample outlet, carrier gas inlet, carrier gas outlet, the air inlet of quantity tube, quantity tube
The six-way valve of the distinct interface in gas outlet and the motor driving described six-way valve rotation；Six-way valve described in described Motor drive
Rotation makes described gas sampling system switch between sampling state and sample introduction state.
As further improvement of the utility model, described gas sampling system is also included described six-way valve and described electricity
Machine is fixed on the hook on gas chromatograph.
As further improvement of the utility model, described motor is manual trigger-type motor.
As further improvement of the utility model, described gaseous sample entrance, gaseous sample outlet, carrier gas inlet, load
Gas outlet, the air inlet of quantity tube, the gas outlet of quantity tube are uniformly distributed on same circumference, and described six-way valve has interval and sets
Three breathers put；When described six-way valve is located at optional position, each breather all can connect positioned at this breather two ends
Two interfaces.
As further improvement of the utility model, the air inlet of quantity tube, gaseous sample entrance, gaseous sample outlet,
The gas outlet of quantity tube, carrier gas outlet, carrier gas inlet are arranged in order in the counterclockwise direction.
As further improvement of the utility model, when sampling state, the air inlet of gaseous sample entrance and quantity tube is even
Logical, gaseous sample outlet connects and carrier gas inlet and carrier gas outlet with the gas outlet of quantity tube.
As further improvement of the utility model, during sample introduction state, gaseous sample entrance connects with gas sample export,
Carrier gas inlet connects with the air inlet of quantity tube and the gas outlet of quantity tube and carrier gas outlet.
The beneficial effects of the utility model are：Gas chromatograph gas sampling system of the present utility model passes through Motor drive
Six-way valve rotates to be realized switching between sampling state and sample introduction state, and the rotation of six-way valve is by motor control, it is to avoid right
Peripheral equipment produces interference, and has broken away from the restriction of the external air compressor machine of needs or air bottle it is not necessary to communicate with gas chromatograph
And mandate, directly can install and use, be also convenient for dismounting to separate with gas chromatograph；Can be used for any gas chromatograph
On, applied widely, it is easy to after-sales service.
Brief description
Fig. 1 is the structural representation in the state of sampling for the gas sampler of the present utility model.
Fig. 2 is the structural representation in sample introduction state for the gas sampler shown in Fig. 1.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and be embodied as
Example is described in detail to this utility model.
As shown in Fig. 1～Fig. 2, be of the present utility model facilitate dismountable gas chromatograph gas sampling system 100, have
The sampling state allowing hand over and sample introduction state.
Gas chromatograph gas sampling system 100 includes introducing the gaseous sample entrance 1 of gaseous sample, is used for reclaiming
Carrier gas inlet 4 that the gaseous sample outlet 2 of gaseous sample, the quantity tube 3 for measuring gaseous sample are connected with carrier gas source and
The motor (not shown) that the carrier gas outlet 5 of chromatographic column connection, six-way valve 6, driving six-way valve 6 rotate.In this utility model, carrier gas
Blown out by EPC and access carrier gas inlet 4.
Described six-way valve 6 can connect described gaseous sample entrance 1, gaseous sample outlet 2, carrier gas inlet 4, carrier gas outlet
5th, the air inlet 31 of quantity tube, the distinct interface in the gas outlet 32 of quantity tube, six-way valve 6 described in described Motor drive rotates and makes
Described gas sampling system 100 switches between sampling state and sample introduction state, and the rotation of six-way valve 6 is by motor control,
Avoid and peripheral equipment is produced with interference, and broken away from the restriction of the external air compressor machine of needs or air bottle it is not necessary to and gas phase color
Spectrometer communication and mandate, directly can install and use；Can be used on any gas chromatograph, applied widely, it is easy to after sale
Maintenance.
Further, described gas sampling system 100 also includes for described six-way valve 6 and described motor being fixed on gas phase color
Hook on spectrometer, so that the convenient dismounting of described gas sampling system 100, is easy to for different gas chromatograpies.This reality
Apply in example, described motor is manual trigger-type motor, the operation of this motor need not be communicated with gas chromatograph.
Wherein, described gaseous sample entrance 1, gaseous sample outlet 2, carrier gas inlet 4, carrier gas outlet 5, the air inlet of quantity tube
Mouth 31, the gas outlet 32 of quantity tube are uniformly distributed on same circumference, and described six-way valve 6 has spaced three breathers
61, no matter described six-way valve 6 is located at optional position, and each breather 61 all can connect two positioned at this breather 61 two ends
Interface；And turning on different positions with described six-way valve 6, each breather 61 all can connect two neighboring different
Interface, realizes different gas circuits and connects.
In the present embodiment, above-mentioned 6 interfaces are followed successively by the counterclockwise direction：The air inlet 31 of quantity tube, gaseous sample enter
Mouth 1, gaseous sample outlet 2, the gas outlet 32 of quantity tube, carrier gas outlet 5, carrier gas inlet 4.Such arrangement mode, six-way valve 6
Only need to rotate 60 ° of conversions that can achieve sampling state and sample introduction state, operational control is simple.
In the state of sampling, gaseous sample entrance 1 connects with the air inlet 31 of quantity tube, gaseous sample exports 2 and quantitation
The gas outlet 32 of pipe connects and carrier gas inlet 4 connects with carrier gas outlet 5.Now, carrier gas exports 5 via carrier gas inlet 4 and carrier gas
Flow in chromatographic column, obtain stable measurement baseline；Gaseous sample enters quantity tube 3 warp again from gaseous sample entrance 1 simultaneously
Flowed out by gaseous sample outlet 2 and be collected, there is in quantity tube 3 the desired amount of gaseous sample, then sampling completes, Ke Yizhuan
To sample introduction.
Triggering motor manually, Motor drive six-way valve 6 rotates, and gas sampling system 100 switches to sample introduction by sampling state
State, gaseous sample entrance 1 connects with gas sample export 2, carrier gas inlet 4 connects with the air inlet 31 of quantity tube and quantitative
The gas outlet 32 of pipe connects with carrier gas outlet 5.Now, carrier gas enters quantity tube 3 from carrier gas inlet 4, drives in quantity tube 3
Gaseous sample flows to chromatographic column through the gas outlet 32 of quantity tube and carrier gas gas outlet, is analyzed detecting.
The conversion of above-mentioned sampling state and sample introduction state is to be realized by the rotation of six-way valve 6, and the rotation of six-way valve 6 by
The manually motor control of triggering, it is to avoid peripheral equipment produced with interference, and broken away from the external air compressor machine of needs or air bottle
Limit it is not necessary to communicating and authorize with gas chromatograph, directly can install and use；Can be used on any gas chromatograph,
Applied widely, it is easy to after-sales service.
Above example only in order to the technical solution of the utility model to be described and unrestricted, although with reference to preferred embodiment pair
This utility model has been described in detail, it will be understood by those within the art that, can be to technology of the present utility model
Scheme is modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (7)
1. a kind of gas chromatograph gas sampling system, has the sampling state allowing hand over and sample introduction state, and described gas enters
Sample system includes gaseous sample entrance, gaseous sample outlet, quantity tube, carrier gas inlet and chromatograph for measuring gaseous sample
The carrier gas outlet of post connection；It is characterized in that：Described gas sampling system also includes connecting described gaseous sample entrance, gas sample
Product outlet, carrier gas inlet, carrier gas outlet, the air inlet of quantity tube, distinct interface in the gas outlet of quantity tube six-way valve with
And drive the motor of described six-way valve rotation；Six-way valve described in described Motor drive rotates and described gas sampling system is being taken
Switch between sample state and sample introduction state.
2. gas chromatograph gas sampling system according to claim 1 it is characterised in that：Described gas sampling system is also
It is fixed on the hook on gas chromatograph including by described six-way valve and described motor.
3. gas chromatograph gas sampling system according to claim 1 it is characterised in that：Described motor is manual triggering
Formula motor.
4. gas chromatograph gas sampling system according to claim 1 it is characterised in that：Described gaseous sample entrance,
Gaseous sample outlet, carrier gas inlet, carrier gas outlet, the air inlet of quantity tube, the gas outlet of quantity tube are uniformly distributed in same circle
Zhou Shang, described six-way valve has spaced three breathers；When described six-way valve is located at optional position, each breather is equal
Two interfaces positioned at this breather two ends can be connected.
5. gas chromatograph gas sampling system according to claim 4 it is characterised in that：The air inlet of quantity tube, gas
Body sample inlet, gaseous sample outlet, the gas outlet of quantity tube, carrier gas outlet, carrier gas inlet are arranged in order in the counterclockwise direction.
6. gas chromatograph gas sampling system according to claim 1 it is characterised in that：During sampling state, gas sample
Product entrance connects with the air inlet of quantity tube, gaseous sample outlet connects and carrier gas inlet and carrier gas with the gas outlet of quantity tube
Outlet.
7. gas chromatograph gas sampling system according to claim 1 it is characterised in that：During sample introduction state, gas sample
Product entrance connects with gas sample export, carrier gas inlet connects with the air inlet of quantity tube and the gas outlet of quantity tube and carrier gas
Outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561674.3U CN205941484U (en) | 2016-06-12 | 2016-06-12 | Gaseous sampling system of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561674.3U CN205941484U (en) | 2016-06-12 | 2016-06-12 | Gaseous sampling system of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941484U true CN205941484U (en) | 2017-02-08 |
Family
ID=57932642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620561674.3U Expired - Fee Related CN205941484U (en) | 2016-06-12 | 2016-06-12 | Gaseous sampling system of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796340A (en) * | 2020-09-08 | 2020-10-20 | 南京宇众自动化装备有限公司 | Rotary table with gas inspection device |
-
2016
- 2016-06-12 CN CN201620561674.3U patent/CN205941484U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796340A (en) * | 2020-09-08 | 2020-10-20 | 南京宇众自动化装备有限公司 | Rotary table with gas inspection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |