CN108152433A - A kind of gas chromatograph high temperature sampling device and with its gas chromatograph - Google Patents
A kind of gas chromatograph high temperature sampling device and with its gas chromatograph Download PDFInfo
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- CN108152433A CN108152433A CN201711439283.XA CN201711439283A CN108152433A CN 108152433 A CN108152433 A CN 108152433A CN 201711439283 A CN201711439283 A CN 201711439283A CN 108152433 A CN108152433 A CN 108152433A
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- high temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
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- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of gas chromatograph high temperature sampling device and has its gas chromatograph, and gas chromatograph high temperature sampling device includes：Housing defines the first chamber and second chamber for being spaced apart setting in housing, and first chamber is closed at both ends, the one end open of second chamber, the other end closing of second chamber；First heat-conducting piece, the first heat-conducting piece are set in first chamber, and the first heat-conducting piece is equipped with guide pinhole；Second heat-conducting piece, the second heat-conducting piece are set between first chamber and second chamber；First thermal insulation layer, first thermal insulation layer are set on second chamber inner wall；Heating member, heating member are set on the overthe openings of second chamber.Gas chromatograph high temperature sampling device according to embodiments of the present invention, the structure being combined using first chamber, second chamber, the first heat-conducting piece and the second heat-conducting piece, high-melting-point sample can effectively be avoided to be set in sample introduction needle during sample introduction, improve analysis precision.
Description
Technical field
The present invention relates to gas chromatograph techniques fields, more particularly to a kind of gas chromatograph high temperature sampling device and have
The gas chromatograph of the gas chromatograph high temperature sampling device.
Background technology
Usually using gas chromatograph in gas detection process, and some high-melting-point samples are coagulated during sample introduction
Gu in sample introduction needle, analysis precision is reduced, not easy cleaning and waste drug.Existing gas chromatograph high temperature sampling device leads to
It is directly heated frequently with METAL HEATING PROCESS block, heat is directly passed to guide pinhole, is difficult to control with temperature, heating temperature is uneven
It is even and have the defects of latent lesion threat to sample introduction needle.
Invention content
In view of this, the present invention provides a kind of gas chromatograph high temperature sampling device.
The present invention also provides a kind of gas chromatographs with the gas chromatograph high temperature sampling device.
In order to solve the above technical problems, the present invention uses following technical scheme：
The gas chromatograph high temperature sampling device of embodiment according to a first aspect of the present invention, including：Housing, in the housing
The first chamber and second chamber for being spaced apart setting are defined, the first chamber is closed at both ends, one end of the second chamber
Opening, the other end closing of the second chamber；First heat-conducting piece, first heat-conducting piece are set in the first chamber, institute
The first heat-conducting piece is stated equipped with guide pinhole；Second heat-conducting piece, second heat-conducting piece are set on the first chamber and described second
Between chamber；First thermal insulation layer, the first thermal insulation layer are set on the second chamber inner wall；Heating member, the heating member are set on
The overthe openings of the second chamber.
Further, the heating member includes：Metal derby, the metal derby is interior to be equipped at least one heating tube.
Further, the metal block shaped becomes annular element, and the metal derby is arranged equipped with multiple equal spacings
Groove, the side that the opening of the groove is directed away from the second chamber opens up, is equipped between the adjacent groove described
Heating tube, the bottom wall of the groove are equipped with first through hole, the metal derby towards one end of the second chamber be equipped with second every
Thermosphere, the second thermal insulation layer are set on the lower section of the heating tube.
Further, the heating member further includes：Third thermal insulation layer, the third thermal insulation layer is formed as annular element, described
Third thermal insulation layer is set on the opening of the second chamber and below the heating member, and the third thermal insulation layer is equipped with edge
Multiple second through-holes of its thickness direction perforation.
Further, second through-hole is spaced apart setting with the heating tube.
Further, it is equipped with the 4th thermal insulation layer above the heating member.
Further, the gas chromatograph high temperature sampling device further includes：Air extractor, the air extractor are set on
The opening of the second chamber.
Further, the inner wall of second heat-conducting piece is equipped with screw thread.
Further, the outer wall of second heat-conducting piece is equipped with screw thread.
The gas chromatograph of embodiment includes the gas-chromatography according to above-described embodiment according to a second aspect of the present invention
Instrument high temperature sampling device.
Above-mentioned technical proposal of the present invention has the beneficial effect that：
Gas chromatograph high temperature sampling device according to embodiments of the present invention, by using the first heat-conducting piece, the second heat conduction
The device that part is combined with heating member so as to fulfill the heating for guide pinhole, and then effectively avoids high-melting-point sample in sample introduction
It is set in sample introduction needle in the process, improves analysis precision.
Description of the drawings
Fig. 1 is the sectional view of the gas chromatograph high temperature sampling device of one embodiment of the invention；
Fig. 2 is the sectional view of the gas chromatograph high temperature sampling device of another embodiment of the invention；
Fig. 3 is the part-structure schematic diagram of Fig. 2.
Reference numeral：
Gas chromatograph high temperature sampling device 100；
Housing 10；First chamber 11；Second chamber 12；Guide pinhole 13；
First heat-conducting piece 20；Second heat-conducting piece 30；First thermal insulation layer 40；
Heating member 50；Metal derby 51；Second thermal insulation layer 52；Third thermal insulation layer 53；4th thermal insulation layer 54；Through-hole 55；Groove
56。
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's all other embodiments obtained, shall fall within the protection scope of the present invention.
Gas chromatograph high temperature sampling device 100 according to embodiments of the present invention is specifically described with reference to attached drawing first below.
As shown in Figure 1 to Figure 3, gas chromatograph high temperature sampling device 100 according to embodiments of the present invention includes：Housing
10th, the first heat-conducting piece 20, the second heat-conducting piece 30, first thermal insulation layer 40 and heating member 50.
The first chamber 11 of setting and second chamber 12, first chamber 11 are spaced apart specifically, being defined in housing 10
Closed at both ends, the one end open of second chamber 12, the other end closing of second chamber 12, the first heat-conducting piece 20 is set on first chamber
In 11, the first heat-conducting piece 20 is equipped with guide pinhole 13, and the second heat-conducting piece 30 is set between first chamber 11 and second chamber 12,
First thermal insulation layer 40 is set on 12 inner wall of second chamber, and heating member 50 is set on the overthe openings of second chamber 12.
In other words, gas chromatograph high temperature sampling device 100 according to embodiments of the present invention defines in housing 10
One chamber 11 and second chamber 12, first chamber 11 and second chamber 12 are spaced apart setting, and first is equipped in first chamber 11
Heat-conducting piece 20, the first heat-conducting piece 20 are equipped with guide pinhole 13, can realize sample introduction by guide pinhole 13, pass through the second heat-conducting piece 30
First chamber 11 and second chamber 12 are formd in housing 10, heating member 50 is equipped with reality in the overthe openings of second chamber 12
It now heats, heat is entered by 12 and second heat-conducting piece 30 of second chamber in first chamber 11, and it is right to pass through the first heat-conducting piece 20
Guide pinhole 13 heats, and heat scatters and disappears and injury of the heat to gas chromatograph other component in order to prevent, in second chamber 12
Inner wall is equipped with first thermal insulation layer 40.
It should be noted that heat-preservation cotton can be equipped in second chamber 12, heat is prevented to scatter and disappear, improve heat insulation effect.
Middle gas chromatograph high temperature sampling device 100 according to embodiments of the present invention as a result, by using the first heat-conducting piece
20th, the device that the second heat-conducting piece 30, first thermal insulation layer 40 and heating member 50 are combined provides heat, and pass through by heating member 50
First heat-conducting piece 20 and the second heat-conducting piece 30 transmit heat, realize the heating for guide pinhole 13, avoid high-melting-point sample into
It is set in sample introduction needle, and pass through and improve even heat during sample, improves analysis precision.
According to one embodiment of present invention, heating member 50 includes：Metal derby 51.
Specifically, at least one heating tube is equipped in metal derby 51 to realize heating.It should be noted that the present invention is implemented
The gas chromatograph high temperature sampling device 100 of example may also include temperature sensor, control system and display screen, temperature sensor point
It not being connect with control system and display screen, the quantity of temperature sensor can be multiple, and temperature sensor can be connect with heating member 50,
Also it can be set in first chamber 11 and/or second chamber 12, and then can improve analysis precision with Quick temperature adjustment and can weigh
Renaturation.
As shown in Figures 2 and 3, according to one embodiment of present invention, metal derby 51 is formed as annular element, metal derby 51
Set on the overthe openings of second chamber 12, the center line of first chamber 11 can be located at straight line with the center line of metal derby 51
On, multiple grooves 56 arranged spaced apart can be equipped on metal derby 51, the opening of groove 56 is directed away from the one of second chamber 12
Side opens up, and heating tube is equipped between adjacent grooves 56, and 56 bottom wall of groove is equipped with through-hole 55, and metal derby 51 is towards the second chamber
12 one end is equipped with second thermal insulation layer 52, and specifically, second thermal insulation layer 52 is set on the lower section of heating tube.
As shown in Figure 1, according to still another embodiment of the invention, heating member 50 further includes：Third thermal insulation layer 53.
Specifically, third thermal insulation layer 53 is formed as annular element, and third thermal insulation layer 53 can be set on the opening of second chamber 12
Place and positioned at the lower section of heating member 50, third thermal insulation layer 53 is equipped with the multiple through-holes 55 penetrated through along its thickness direction, and heat passes through
Through-hole 55 enters in second chamber 12.
Optionally, through-hole 55 is spaced apart setting with heating tube.
According to one embodiment of present invention, the 4th thermal insulation layer 54 can be equipped on heating member 50.
In certain specific embodiments of the invention, gas chromatograph high temperature sampling device 100 further includes：Pumping dress
It puts, air extractor can be set on the opening of second chamber 12, thermal current can be delivered to the by through-hole 55 by air extractor
In two chambers 12.
According to one embodiment of present invention, the inner wall of the second heat-conducting piece 30 is equipped with screw thread.
Further, the outer wall of the second heat-conducting piece 30 is equipped with screw thread, it should be noted that the inner wall of the second heat-conducting piece 30
And/or second heat-conducting piece 30 outer wall on flight pitch from the other end from one end of second chamber 12 to second chamber 12 it is gradual
Reduce.
To sum up, the gas chromatograph high temperature sampling device 100 according to embodiments of the present invention, can effectively realize
Quick temperature adjustment avoids high-melting-point sample from being set in sample introduction needle during sample introduction, and then improves analysis precision and can weigh
Renaturation.
The gas chromatograph of embodiment includes the gas chromatograph height according to above-described embodiment according to a second aspect of the present invention
Warm sampling device 100, since gas chromatograph high temperature sampling device 100 according to embodiments of the present invention is with above-mentioned technology effect
Fruit, therefore, gas chromatograph according to embodiments of the present invention also have corresponding technique effect, can effectively avoid Gao Rong
Point sample is set in during sample introduction in sample introduction needle, improves analysis precision.
The other structures of gas chromatograph according to embodiments of the present invention and operation are to those skilled in the art all
It is to be appreciated that and easy to implement, therefore is not described in detail.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of gas chromatograph high temperature sampling device, which is characterized in that including：
Housing defines the first chamber and second chamber for being spaced apart setting in the housing, and the first chamber is closed at both ends,
The one end open of the second chamber, the other end closing of the second chamber；
First heat-conducting piece, first heat-conducting piece are set in the first chamber, and first heat-conducting piece is equipped with guide pinhole；
Second heat-conducting piece, second heat-conducting piece are set between the first chamber and the second chamber；
First thermal insulation layer, the first thermal insulation layer are set on the second chamber inner wall；
Heating member, the heating member are set on the overthe openings of the second chamber.
2. gas chromatograph high temperature sampling device according to claim 1, which is characterized in that the heating member includes：
Metal derby, the metal derby is interior to be equipped at least one heating tube.
3. gas chromatograph high temperature sampling device according to claim 2, which is characterized in that the metal block shaped becomes ring
Shape part, the metal derby are equipped with the groove of multiple equal spacings arrangement, and the opening of the groove is directed away from described the
The side of two chambers opens up, and the heating tube is equipped between the adjacent groove, and the bottom wall of the groove is equipped with first through hole, institute
It states metal derby and is equipped with second thermal insulation layer towards one end of the second chamber, the second thermal insulation layer is set under the heating tube
Side.
4. gas chromatograph high temperature sampling device according to claim 2, which is characterized in that the heating member further includes：
Third thermal insulation layer, the third thermal insulation layer are formed as annular element, and the third thermal insulation layer is set on opening for the second chamber
At mouthful and below the heating member, the third thermal insulation layer is equipped with multiple second through-holes penetrated through along its thickness direction.
5. gas chromatograph high temperature sampling device according to claim 4, which is characterized in that second through-hole with it is described
Heating tube is spaced apart setting.
6. gas chromatograph high temperature sampling device according to claim 5, which is characterized in that be equipped with above the heating member
4th thermal insulation layer.
7. gas chromatograph high temperature sampling device according to claim 1, which is characterized in that further include：
Air extractor, the air extractor are set on the opening of the second chamber.
8. gas chromatograph high temperature sampling device according to claim 1, which is characterized in that second heat-conducting piece it is interior
Wall is equipped with screw thread.
9. gas chromatograph high temperature sampling device according to claim 8, which is characterized in that outside second heat-conducting piece
Wall is equipped with screw thread.
10. a kind of gas chromatograph, which is characterized in that including the gas chromatograph high temperature described in any one of claim 1-9
Sampling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439283.XA CN108152433B (en) | 2017-12-25 | 2017-12-25 | Gas chromatograph high temperature sampling device and gas chromatograph who has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439283.XA CN108152433B (en) | 2017-12-25 | 2017-12-25 | Gas chromatograph high temperature sampling device and gas chromatograph who has it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108152433A true CN108152433A (en) | 2018-06-12 |
| CN108152433B CN108152433B (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439283.XA Active CN108152433B (en) | 2017-12-25 | 2017-12-25 | Gas chromatograph high temperature sampling device and gas chromatograph who has it |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089935U (en) * | 1991-05-31 | 1991-12-04 | 洛阳有色金属加工设计研究院 | Aluminium melt refining device |
| CN2281538Y (en) * | 1997-02-17 | 1998-05-13 | 北京市北分仪器工艺技术公司 | Gas chromatographic sample filler |
| CN2814247Y (en) * | 2005-06-30 | 2006-09-06 | 黄永年 | Electric fluid heating device |
| CN102706382A (en) * | 2012-04-28 | 2012-10-03 | 深圳大学 | Incubator |
| CN203117185U (en) * | 2013-02-19 | 2013-08-07 | 北京伊士通新材料发展有限公司 | Container for detecting gas |
| CN205941483U (en) * | 2016-08-24 | 2017-02-08 | 东莞市杉杉电池材料有限公司 | Gas chromatograph high temperature sampling device |
| CN206096048U (en) * | 2016-10-11 | 2017-04-12 | 云南环绿环境检测技术有限公司 | Gas chromatograph |
| CN206258324U (en) * | 2016-11-18 | 2017-06-16 | 盐城工学院 | A kind of heater and heating monitoring device |
-
2017
- 2017-12-25 CN CN201711439283.XA patent/CN108152433B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089935U (en) * | 1991-05-31 | 1991-12-04 | 洛阳有色金属加工设计研究院 | Aluminium melt refining device |
| CN2281538Y (en) * | 1997-02-17 | 1998-05-13 | 北京市北分仪器工艺技术公司 | Gas chromatographic sample filler |
| CN2814247Y (en) * | 2005-06-30 | 2006-09-06 | 黄永年 | Electric fluid heating device |
| CN102706382A (en) * | 2012-04-28 | 2012-10-03 | 深圳大学 | Incubator |
| CN203117185U (en) * | 2013-02-19 | 2013-08-07 | 北京伊士通新材料发展有限公司 | Container for detecting gas |
| CN205941483U (en) * | 2016-08-24 | 2017-02-08 | 东莞市杉杉电池材料有限公司 | Gas chromatograph high temperature sampling device |
| CN206096048U (en) * | 2016-10-11 | 2017-04-12 | 云南环绿环境检测技术有限公司 | Gas chromatograph |
| CN206258324U (en) * | 2016-11-18 | 2017-06-16 | 盐城工学院 | A kind of heater and heating monitoring device |
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| Publication number | Publication date |
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| CN108152433B (en) | 2020-09-11 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200819 Address after: Room 333 (3 / F), building 1, No. 11, Deshengmenwai street, Xicheng District, Beijing 100120 Applicant after: BEIJING GAO MAI KE INSTRUMENT S & T Co.,Ltd. Address before: 528200 3A, No. seven, No. 97, South Nanhai District, Nanhai District, Foshan, Guangdong Province, South Nanhai Road, north of the South China Sea Avenue, No. seven Applicant before: FOSHAN ZHONGHUAN ENVIRONMENTAL TESTING CENTER |
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