CN208937545U - Head-space sampler - Google Patents
Head-space sampler Download PDFInfo
- Publication number
- CN208937545U CN208937545U CN201821460623.7U CN201821460623U CN208937545U CN 208937545 U CN208937545 U CN 208937545U CN 201821460623 U CN201821460623 U CN 201821460623U CN 208937545 U CN208937545 U CN 208937545U
- Authority
- CN
- China
- Prior art keywords
- sample
- sample injector
- head
- ontology
- feeding pipe
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of head-space samplers, including sample injector ontology, the front of the sample injector ontology is successively arranged display screen from top to bottom, function key area, pressure gauge and knob, the pressure gauge includes pressurization gas meter and carrier gas table, there are two the knobs, and two knobs are corresponded to each other with pressurization gas meter with carrier gas table respectively, the side of the sample injector ontology is symmetrically arranged with handle aperture, the side of the sample injector bodies top is equipped with probe tube and sample feeding pipe, the probe tube and sample feeding pipe are equipped with sample introduction needle far from one end of sample injector ontology, the outside of the sample introduction needle is equipped with protective case, the other side of the sample injector bodies top embeds having heaters.The utility model is used cooperatively by sealing cover and mounting groove, allow to for sample cell being sealed, can not only prevent dust from entering, improve the cleannes of device, but also sample can be kept the temperature in measurement, the loss of energy is reduced, it is more convenient and practical.
Description
Technical field
The utility model relates to chemical analysis apparatus technical field more particularly to a kind of head-space samplers.
Background technique
Head-space sampler is a kind of conveniently sample-pretreating method in gas chromatography, and principle is will be to test sample
Product are placed in a closed container, evaporate volatile component from sample matrices by heat temperature raising, in gas-liquid (or gas
Gu) reach balance in two-phase, directly extraction top gas carries out chromatography, thus in sample survey volatile component ingredient
And content, the sample pretreatment process of redundant and complicated can be exempted using headspace sampling technology, organic solvent is avoided to make analysis
At interference, reduce pollution to chromatographic column and injection port.
Headspace analysis method has manual mode, airtight needle input mode, balanced type compression system, quantitative loop compression train at present
System, static state-dynamic compensation type this five kinds of input modes have several sample cells in head-space sampler, and sample cell is for placing sample
Product bottle, when idle, sample cell is constantly in be easy to fall ash, causes dirt over time with extraneous identical state
Dye influences to measure consequence.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of head-space sampler with a novel purpose, can preferably protects sample cell, guarantees inside sample cell
Tidiness.
According to a kind of head-space sampler of the utility model embodiment, including sample injector ontology, the sample injector ontology
Front is successively arranged display screen, function key area, pressure gauge and knob from top to bottom, and the pressure gauge includes pressurization gas meter and carrier gas
Table, there are two the knobs, and two knobs are corresponded to each other with pressurization gas meter with carrier gas table respectively, the side of the sample injector ontology
Face is symmetrically arranged with handle aperture, and the side of the sample injector bodies top is equipped with probe tube and sample feeding pipe, the probe tube and into
Sample pipe is equipped with sample introduction needle far from one end of sample injector ontology, and the outside of the sample introduction needle is equipped with protective case, the sample injector sheet
The other side at the top of body embeds having heaters, offers sample cell, the top of the sample injector ontology at the top of the heater
Equipped with the mounting groove being located above heater, the edge of the mounting groove is hinged with two connecting rods, and two connecting rod is far from mounting groove
One end be equipped with sealing cover.
Preferably, the quadrangle of the sample injector body bottom portion is fixedly connected to support base, the outer sheath of the support base
Equipped with rubber sleeve.
Preferably, the edge of the handle aperture is arc-shaped.
Preferably, the probe tube and sample feeding pipe are hose, and the outside of probe tube and sample feeding pipe be arranged with it is heat-insulated
Set.
Preferably, cotton is equipped on the inside of the sample cell.
Preferably, the mounting groove matches with sealing cover, and mounting groove and sealing cover are circle.
Beneficial effect in the utility model is: by being used cooperatively for sealing cover and mounting groove, allowing to sample
Slot is sealed, and can not only be prevented dust from entering, be improved the cleannes of device, but also can carry out in measurement to sample
Heat preservation, reduces the loss of energy, more convenient and practical.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of head-space sampler structural schematic diagram；
Fig. 2 is the top view of the utility model Fig. 1；
Fig. 3 is the side view of the utility model Fig. 1.
In figure: 1 sample injector ontology, 2 display screens, 3 function key areas, 4 knobs, 5 pressurization gas meters, 6 carrier gas tables, 7 handle apertures, 8
Probe tube, 9 sample feeding pipes, 10 sample introduction needles, 11 heaters, 12 sample cells, 13 mounting grooves, 14 2 connecting rods, 15 sealing covers, 16 supports
Seat.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the utility model, and should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-3, a kind of head-space sampler, including sample injector ontology 1, the quadrangle of 1 bottom of sample injector ontology are fixed
Be connected with support base 16, improve the stability of support, the outer sheath of support base 6 is equipped with rubber sleeve, improve support base 16 with
The frictional force of desktop prevents from relatively moving with desktop when detecting, and the front of sample injector ontology 1 is successively arranged from top to bottom
Display screen 2, function key area 3, pressure gauge and knob 4, pressure gauge include pressurization gas meter 5 and carrier gas table 6, and there are two knobs 4, and two
A knob 4 is corresponded to each other with pressurization gas meter 5 with carrier gas table 6 respectively, and the side of sample injector ontology 1 is symmetrically arranged with handle aperture 7, mentions
The edge of hand hole 7 be it is arc-shaped, facilitate the carrying of device, improve comfort when carrying, the one of 1 top of sample injector ontology
Side is equipped with probe tube 8 and sample feeding pipe 9, probe tube 8 for being sampled to the object to be detected in sample bottle, sample feeding pipe 9 be used for
Gas chromatograph is connected, and probe tube 8 and sample feeding pipe 9 are hose, and the outside of probe tube 8 and sample feeding pipe 9 be arranged with every
Hot jacket keeps the temperature probe tube 8 and the sample gas inside sample feeding pipe 9, prevent sampling when volatilization after gas liquefaction be
Liquid influence measurement result, probe tube 8 and sample feeding pipe 9 are equipped with sample introduction needle 10, sample introduction needle 10 far from one end of sample injector ontology 1
Outside be equipped with protective case, the other side at the top of sample injector ontology 1 embeds having heaters 11, and the top of heater 11 offers sample
Product slot 12, the inside of sample cell 12 are equipped with cotton, reduce the impact force of sample bottle and sample cell 12, the top of sample injector ontology 1
Portion is equipped with the mounting groove 13 for being located at 11 top of heater, and the edge of mounting groove 13 is hinged with two connecting rods 14, and two connecting rods 14 are far from peace
One end of tankage 13 is equipped with sealing cover 15, and mounting groove 13 matches with sealing cover 15, and mounting groove 13 and sealing cover 15 are circle
Shape enables sealing cover 15 preferably to seal sample cell 12.
In conclusion the head-space sampler, by being used cooperatively for sealing cover 15 and mounting groove 13, allow to sample
Slot 12 is sealed, can not only prevent dust enter, improve device cleannes, but also can measurement when to sample into
Row heat preservation, reduces the loss of energy, more convenient and practical.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of head-space sampler, it is characterised in that: including sample injector ontology, the sample injector ontology front from top to bottom according to
Secondary to be equipped with display screen, function key area, pressure gauge and knob, the pressure gauge includes pressurization gas meter and carrier gas table, and the knob has
Two, and two knobs are corresponded to each other with pressurization gas meter with carrier gas table respectively, the side of the sample injector ontology is symmetrically arranged with
The side of handle aperture, the sample injector bodies top is equipped with probe tube and sample feeding pipe, and the probe tube and sample feeding pipe are far from sample introduction
One end of device ontology is equipped with sample introduction needle, and the outside of the sample introduction needle is equipped with protective case, the sample injector bodies top it is another
Side embeds having heaters, and sample cell is offered at the top of the heater, and the top of the sample injector ontology, which is equipped with, is located at heating
Mounting groove above device, the edge of the mounting groove are hinged with two connecting rods, and two connecting rod is equipped with close far from one end of mounting groove
Capping.
2. head-space sampler according to claim 1, it is characterised in that: the quadrangle of the sample injector body bottom portion is fixed
It is connected with support base, the outer sheath of the support base is equipped with rubber sleeve.
3. head-space sampler according to claim 1, it is characterised in that: the edge of the handle aperture is arc-shaped.
4. head-space sampler according to claim 1, it is characterised in that: the probe tube and sample feeding pipe are hose, and
The outside of probe tube and sample feeding pipe is arranged with collet.
5. head-space sampler according to claim 1, it is characterised in that: be equipped with cotton on the inside of the sample cell.
6. head-space sampler according to claim 1, it is characterised in that: the mounting groove matches with sealing cover, and pacifies
Tankage and sealing cover are circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460623.7U CN208937545U (en) | 2018-09-07 | 2018-09-07 | Head-space sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460623.7U CN208937545U (en) | 2018-09-07 | 2018-09-07 | Head-space sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937545U true CN208937545U (en) | 2019-06-04 |
Family
ID=66720178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821460623.7U Active CN208937545U (en) | 2018-09-07 | 2018-09-07 | Head-space sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238663A (en) * | 2017-05-04 | 2017-10-10 | 北京博赛德科技有限公司 | The system and method for residue composition after the detection burning of large volume head-space sampler |
| CN110327995A (en) * | 2019-07-23 | 2019-10-15 | 公安部物证鉴定中心 | Combustion residue hermetically sealed can |
-
2018
- 2018-09-07 CN CN201821460623.7U patent/CN208937545U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238663A (en) * | 2017-05-04 | 2017-10-10 | 北京博赛德科技有限公司 | The system and method for residue composition after the detection burning of large volume head-space sampler |
| CN107238663B (en) * | 2017-05-04 | 2023-11-24 | 北京博赛德科技有限公司 | System and method for detecting residual components after combustion by using large-volume headspace sampler |
| CN110327995A (en) * | 2019-07-23 | 2019-10-15 | 公安部物证鉴定中心 | Combustion residue hermetically sealed can |
| CN110327995B (en) * | 2019-07-23 | 2021-11-30 | 公安部物证鉴定中心 | Combustion residue seal pot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Seeley et al. | Microfluidic deans switch for comprehensive two-dimensional gas chromatography | |
| CN208937545U (en) | Head-space sampler | |
| Raikos et al. | Determination of amphetamines in human urine by headspace solid-phase microextraction and gas chromatography | |
| CN106990174B (en) | SVOC rapid detection method in a kind of cloth velvet sample based on full volatilization head space | |
| CN102520082B (en) | Method for determining volatile components in polyvinyl alcohol in full-evaporation headspace gas chromatography | |
| US3205711A (en) | Sample injection in gas chromatography | |
| Harvey et al. | Global Research Alliance N2O chamber methodology guidelines: Recommendations for air sample collection, storage, and analysis | |
| CN109781896B (en) | Standard series and gas sample analysis method based on internal standard method | |
| Kaljurand et al. | A gas chromatograph for citizen science | |
| McCann et al. | Go With the Flow: Thinking About Carrier Gas Flow in GC | |
| CN207418746U (en) | A kind of modified microorganism detector | |
| US6645773B2 (en) | Method for measuring effective temperature inside a sealed container | |
| Guo et al. | Determination of the trace 1, 4-dioxane | |
| Guimbard et al. | Determination of residual solvents in pharmaceutical products by gas chromatography coupled to a head-space injection system and using an external standard | |
| CN203811587U (en) | Device for measuring hydrogen phosphide residues in sample | |
| CN209387579U (en) | Fill the ratio long type fast tunable section tools for measurement of reaction tube | |
| CN209132218U (en) | A kind of gas chromatograph | |
| CN102879488A (en) | Preparation method for benzene and benzene series mixed solution reference substance used for cigarette paper analysis | |
| CN103424497B (en) | Detection method of isobutyl chloroformate | |
| US7201874B2 (en) | System for automatically extracting and analyzing residual solvents in material samples | |
| CN105784891B (en) | A kind of hydroxyethyl/hydroxypropyl methylcellulose content assaying method | |
| Manius | Determination of ethylene oxide, ethylene chlorohydrin, and ethylene glycol residues in ophthalmic solutions at proposed concentration limits | |
| Xie et al. | A double sealing technique for increasing the precision of headspace-gas chromatographic analysis | |
| Nardi | Capillary extractors for “negligible depletion” sampling of benzene, toluene, ethylbenzene and xylenes by in-tube solid-phase microextraction | |
| Nardi | New high-performance cryofocalizer injector for in-tube solid-phase microextraction and headspace capillary gas chromatographic applications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |