CN202307793U - Sample feeding device of ionic migration spectrometer - Google Patents
Sample feeding device of ionic migration spectrometer Download PDFInfo
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- CN202307793U CN202307793U CN2011204071830U CN201120407183U CN202307793U CN 202307793 U CN202307793 U CN 202307793U CN 2011204071830 U CN2011204071830 U CN 2011204071830U CN 201120407183 U CN201120407183 U CN 201120407183U CN 202307793 U CN202307793 U CN 202307793U
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- pyrolysis
- sample
- gas passage
- ionic migration
- migration spectrometer
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Abstract
The utility model provides a sample feeding device of an ionic migration spectrometer, which is composed of the following components: a fixed control device for controlling clamping and loosening actions of a sample attached piece, a surface air flow blowing device (2) and a sample groove (3), wherein the surface air flow blowing device (2) is composed of the following parts: a thermal desorption body (201), a gas channel A (202), a gas channel B (203), a heating rod (204), a temperature control device (205) and a surface air flow blowing thermal desorption tank (206) formed between a concave part of the thermal desorption body (201) and the sample attached piece; the gas channel A (202) and the gas channel B (203) are fixedly connected with the thermal desorption body (201); the heating rod (204) is buried and fixed in the thermal desorption body (201); and the temperature control device (205) is fixedly connected with the thermal desorption body (201). The sample feeding device of the ionic migration spectrometer, provided by the utility model, has the advantages of meeting sample feeding requirements of solid and liquid samples and realizing automatic operation; and the working efficiency is high.
Description
Technical field
The utility model relates to ion mobility spectrometry instrument auxiliary device structural design and applied technical field, provides a kind of especially and has transferred solid, fluid sample to gas and the ionic migration spectrometer sampling device of sample introduction.
Background technology
In the prior art, ion mobility spectrometry (Ion Mobility Spectrometry) is a kind of separation detecting device that field assay detects that is mainly used in.Its basic functional principle is: in atmosphere or migration gas, tested gaseous sample ionization is formed ion, under the extra electric field condition, make the controlled drift of ion then.Because the mobility of different samples is different, the heterogeneity in the sample possibly cause dispersion in migration tube, cause the migration velocity of weight molecule to be starkly lower than light molecule.Data people such as transit time according to measuring can know sample composition by inference.
Ion mobility spectrometry only is fit to gaseous sample is directly analyzed usually, and can not directly analyze solid and fluid sample.It is wider that people hope to obtain a kind of range of application, the better ionic migration spectrometer sampling device of technique effect.
Summary of the invention
The purpose of the utility model provides a kind of ionic migration spectrometer sampling device.
A kind of ionic migration spectrometer sampling device, said ionic migration spectrometer sampling device is made up of following part: control the clamping of sample attachment flaps and unclamp fixedly control device 1, surface gas flow purging device 2, the sample cell 3 of action; Wherein: fixedly control device 1 and surface gas flow purging device 2 are provided with the sample cell 3 that is used to plug a sample attachment flaps between the two; Fixedly be fixedly connected between control device 1 and the surface gas flow purging device 2; It is characterized in that: surface gas flow purging device 2 is made up of following several parts: pyrolysis analyses body 201, gas passage A202, gas passage B203, heating rod 204, temperature control equipment 205, analyse the surface gas flow purging pyrolysis that forms between sunk part and the sample attachment flaps of body 201 by pyrolysis analyses pond 206; Wherein: gas passage A202, gas passage B203 are arranged on inside and its that pyrolysis analyses body 201 two bringing in mouth and be arranged on pyrolysis and analyse body 201 surfaces and be communicated with space outerpaces separately; Gas passage A202 and gas passage B203 analyse body 201 with pyrolysis and are fixed together, and heating rod 204 is buried underground to be fixed in pyrolysis and analysed body 201 inside, and temperature control equipment 205 is analysed body 201 with pyrolysis and is fixed together.
The described ionic migration spectrometer sampling device of the utility model also comprises following preferred content request: described gas passage A202 is an inlet channel, and gas passage B203 is an outlet passageway.
Described gas passage A202 is an outlet passageway, and gas passage B203 is an inlet channel.
Described fixedly control device 1 is made up of following several parts: electromagnetically operated valve iron core 101, electromagnetic valve body 102, static controller 103; Wherein: electromagnetically operated valve iron core 101 is arranged in electromagnetic valve body 102 inside with dismountable syndeton, and electromagnetic valve body 102 is fixed together with static controller 103.
Described heating rod 204 requires the parts 100-300 ℃ of condition with temperature control equipment 205 for satisfying heating-up temperature.
After the sample attachment flaps is inserted sample cell; The controller that is fixed is fixed on the pyrolysis of surface gas flow purging device and analyses on the pond; Analysed the body heating by pyrolysis and resolve, the sample gas of parsing is taken out of by the clean hot air of the air inlet pipe of flowing through, escape pipe, delivers to instrument and analyzes continuously.
The said sampling device structure of the utility model is comparatively simple, not only can satisfy gas sampling, can also satisfy the sample introduction requirement of solid, fluid sample, has enlarged range of application greatly; The utility model can be realized automation mechanized operation; The utility model can be accomplished steps such as the required heating of sample introduction, sample introduction, analysis expeditiously in very short time, satisfy the demand that ionic migration spectrometer carries out fast, field assay detects; Present embodiment has expected comparatively huge economic and social value.
Description of drawings
Below in conjunction with accompanying drawing and execution mode the utility model is done further detailed explanation.
Fig. 1 is the cross-sectional view of the utility model.
Embodiment
Embodiment 1
A kind of ionic migration spectrometer sampling device, said ionic migration spectrometer sampling device is made up of following part: control the clamping of sample attachment flaps and unclamp fixedly control device 1, surface gas flow purging device 2, the sample cell 3 of action; Wherein: fixedly control device 1 and surface gas flow purging device 2 are provided with the sample cell 3 that is used to plug a sample attachment flaps between the two; Fixedly be fixedly connected between control device 1 and the surface gas flow purging device 2; Surface gas flow purging device 2 is made up of following several parts: pyrolysis analyses body 201, gas passage A202, gas passage B203, heating rod 204, temperature control equipment 205, analyse the surface gas flow purging pyrolysis that forms between sunk part and the sample attachment flaps of body 201 by pyrolysis analyses pond 206; Wherein: gas passage A202, gas passage B203 are arranged on inside and its that pyrolysis analyses body 201 two bringing in mouth and be arranged on pyrolysis and analyse body 201 surfaces and be communicated with space outerpaces separately; Gas passage A202 and gas passage B203 analyse body 201 with pyrolysis and are fixed together, and heating rod 204 is buried underground to be fixed in pyrolysis and analysed body 201 inside, and temperature control equipment 205 is analysed body 201 with pyrolysis and is fixed together.
Described gas passage A (202) gas passage B (203) the two one of be inlet channel, another is an outlet passageway.
Described fixedly control device 1 is made up of following several parts: electromagnetically operated valve iron core 101, electromagnetic valve body 102, static controller 103; Wherein: electromagnetically operated valve iron core 101 is arranged in electromagnetic valve body 102 inside with dismountable syndeton, and electromagnetic valve body 102 is fixed together with static controller 103.
Described heating rod 204 requires the parts 100-300 ℃ of condition with temperature control equipment 205 for satisfying heating-up temperature.
After the sample attachment flaps is inserted sample cell; The controller that is fixed is fixed on the pyrolysis of surface gas flow purging device and analyses on the pond; Analysed the body heating by pyrolysis and resolve, the sample gas of parsing is taken out of by the clean hot air of the air inlet pipe of flowing through, escape pipe, delivers to instrument and analyzes continuously.
The said sampling device structure of present embodiment is comparatively simple, not only can satisfy gas sampling, can also satisfy the sample introduction requirement of solid, fluid sample, has enlarged range of application greatly; Present embodiment can be realized automation mechanized operation; Present embodiment can be accomplished steps such as the required heating of sample introduction, sample introduction, analysis expeditiously in very short time, satisfy the demand that ionic migration spectrometer carries out fast, field assay detects; Present embodiment has expected comparatively huge economic and social value.
Fig. 1 is the cross-sectional view of present embodiment.Sample cell can be processed by sheet metal (being such as but not limited to: iron plate, steel plate, copper coin, aluminium sheet etc.), and the inter-alveolar distance of both sides panel is the 1-30 millimeter; The both sides of this sample cell, a side are the static controller of sample attachment flaps, control the insertion of sample attachment flaps, fixing and taking-up through moving of its electromagnetically operated valve iron core; Opposite side is the surface gas flow purging device, comprises that the pond is analysed in an inlet channel, surface gas flow purging pyrolysis, body, heating rod, temperature control equipment are analysed in outlet passageway, a pyrolysis.
After the sample attachment flaps is inserted sample cell; The controller that is fixed is fixed on pyrolysis and analyses on the pond, analysed body heating parsing by pyrolysis; The sample gas of resolving is taken out of by the clean hot air of the air inlet pipe of flowing through, escape pipe; Connect an analytical instrument (not shown),, analyze continuously through instrument like known ionic migration spectrometer, gas analyzer etc.
According to sample, general heating and temperature control is between 100-300 ℃.The thickness of sample attachment flaps is the 1-30 millimeter, and its material is a gas permeable material like sponge, nonwoven fabrics, filter paper, filter membrane or cloth.
Use the said sampling device of present embodiment, can carry out one of following three kinds of application operatings:
One of which; Benzole soln is soaked on thickness is 30 millimeters nonwoven fabrics sample attachment flaps; Be inserted into the sample attachment flaps in the sample cell then, static controller promotes electromagnetically operated valve and the sample attachment flaps is fixedly clamped analyses on the pond in pyrolysis, and pyrolysis is analysed the pond temperature and analysed body, heating rod, temperature control equipment control temperature to 100 ℃ by pyrolysis; Be blown into pure air to air inlet pipe simultaneously; This air that is blown into is through the sample attachment flaps, from escape pipe the benzene vapor sample delivered to the ionic migration spectrometer and analyzed, and obtains the signal and the analysis result of benzene sample.
They are two years old; It is on 2 millimeters the filter paper sample attachment flaps that the hexogen solid sample is spread upon thickness; Be inserted into the sample attachment flaps in the sample cell then, static controller promotes the electromagnetically operated valve iron core and the sample attachment flaps is fixedly clamped analyses on the pond in pyrolysis, and pyrolysis is analysed the pond temperature and analysed body, heating rod, temperature control equipment control temperature to 150 ℃ etc. by pyrolysis; Be blown into pure air to air inlet pipe simultaneously; This air that is blown into is through the sample attachment flaps, from escape pipe the steam sample of hexogen delivered to the ionic migration spectrometer and analyzed, and obtains the signal and the analysis result of hexogen sample.
They are three years old; It is on 1 millimeter the filter paper sample attachment flaps that the TNT solid sample is spread upon thickness; Be inserted into the sample attachment flaps in the sample cell then, static controller promotes the electromagnetically operated valve iron core and the sample attachment flaps is fixedly clamped analyses on the pond in pyrolysis, and pyrolysis is analysed the pond temperature and analysed body, heating rod, temperature control equipment control temperature to 300 ℃ by pyrolysis; Be blown into pure air to air inlet pipe simultaneously; This air that is blown into is through the sample attachment flaps, from escape pipe the steam sample of TNT delivered to the ionic migration spectrometer and analyzed, and obtains the signal and the analysis result of TNT sample.
Claims (4)
1. plant the ionic migration spectrometer sampling device, said ionic migration spectrometer sampling device is made up of following part: control the clamping of sample attachment flaps and unclamp fixedly control device (1), surface gas flow purging device (2), the sample cell (3) of action; Wherein: fixedly control device (1) and surface gas flow purging device (2) are provided with the sample cell (3) that is used to plug a sample attachment flaps between the two; Fixedly be fixedly connected between control device (1) and the surface gas flow purging device (2); It is characterized in that: surface gas flow purging device (2) is made up of following several parts: pyrolysis analyses body (201), gas passage A (202), gas passage B (203), heating rod (204), temperature control equipment (205), analyse the surface gas flow purging pyrolysis that forms between sunk part and the sample attachment flaps of body (201) by pyrolysis analyses pond (206); Wherein: gas passage A (202), gas passage B (203) are arranged on inside and its that pyrolysis analyses body (201) two bringing in mouth and be arranged on pyrolysis and analyse body (201) surface and be communicated with space outerpace separately; Gas passage A (202) analyses body (201) with pyrolysis with gas passage B (203) and is fixed together; Heating rod (204) is buried underground to be fixed in pyrolysis and is analysed body (201) inside, and temperature control equipment (205) is analysed body (201) with pyrolysis and is fixed together.
2. according to the described ionic migration spectrometer sampling device of claim 1, it is characterized in that: described gas passage A (202) is an inlet channel, and gas passage B (203) is an outlet passageway.
3. according to the described ionic migration spectrometer sampling device of claim 1, it is characterized in that: described gas passage A (202) is an outlet passageway, and gas passage B (203) is an inlet channel.
4. according to claim 1 or 2 described ionic migration spectrometer sampling devices, it is characterized in that: described fixedly control device (1) is made up of following several parts: electromagnetically operated valve iron core (101), electromagnetic valve body (102), static controller (103); Wherein: electromagnetically operated valve iron core (101) is arranged in electromagnetic valve body (102) inside with dismountable syndeton, and electromagnetic valve body (102) is fixed together with static controller (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071830U CN202307793U (en) | 2011-10-24 | 2011-10-24 | Sample feeding device of ionic migration spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071830U CN202307793U (en) | 2011-10-24 | 2011-10-24 | Sample feeding device of ionic migration spectrometer |
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| Publication Number | Publication Date |
|---|---|
| CN202307793U true CN202307793U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204071830U Expired - Fee Related CN202307793U (en) | 2011-10-24 | 2011-10-24 | Sample feeding device of ionic migration spectrometer |
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| CN (1) | CN202307793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675082A (en) * | 2012-09-13 | 2014-03-26 | 中国科学院大连化学物理研究所 | Sample introduction device for improving detection sensitivity of ion mobility spectrometry (IMS) |
-
2011
- 2011-10-24 CN CN2011204071830U patent/CN202307793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675082A (en) * | 2012-09-13 | 2014-03-26 | 中国科学院大连化学物理研究所 | Sample introduction device for improving detection sensitivity of ion mobility spectrometry (IMS) |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121024 |