CN108020593A - The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization - Google Patents
The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization Download PDFInfo
- Publication number
- CN108020593A CN108020593A CN201810009062.7A CN201810009062A CN108020593A CN 108020593 A CN108020593 A CN 108020593A CN 201810009062 A CN201810009062 A CN 201810009062A CN 108020593 A CN108020593 A CN 108020593A
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- CN
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- Prior art keywords
- ionization
- sampling
- ion
- needle
- passage
- Prior art date
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- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 43
- 238000001871 ion mobility spectroscopy Methods 0.000 title claims abstract description 19
- 230000008676 import Effects 0.000 claims abstract description 17
- 230000006698 induction Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 description 28
- 239000000523 sample Substances 0.000 description 26
- 238000013508 migration Methods 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
Abstract
The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization, including sampling portion and sample import and export portion；The sampling portion includes Sampled Hand Grip and ionization needle, and the ionization needle is configured on the Sampled Hand Grip by cutting ferrule, and the high-voltage contact being connected with the ionization needle stretched out is included on the cutting ferrule；The sampling portion is used to be inserted into the sample import and export portion, and the induction chip for being used to gather the information of the ionization needle is included inside the Sampled Hand Grip；The sample import and export portion includes the passage coordinated with the ionization needle, and the power supply that voltage is provided for the high-voltage contact is included in the passage, with including ionization auxiliary Gas Input on the corresponding position of the ionization needle；The front portion of the passage is ion drift area, and ion sieve door is included between the ion drift area and the passage.
Description
Technical field
The present invention relates to one kind to sample the integrated ion gun ion mobility spectrometry apparatus of ionization.
Background technology
Existing ion mobility spectrometry uses paper as sampling appliance or suction air as its method of sampling more, to sampling
The ionization method of the sample of acquisition, which generally has, utilizes radioactive source, corona discharge, ultraviolet lamp ionization etc..Sample the paper one used
As can only be sampled on sample to be tested surface, and Reusability be easy to cause cross contamination.Radioactive source ionization is general to be used
Ni63 is as radioactive source, its working stability, but since the presence of radiation material has environment and personnel certain potential prestige
The side of body.Corona discharge advantage is the danger of no radioactive source pollution, it is ionized, and effect is good, and ionizable sample molecule species is more, but
The ionization needle of its work works in atmosphere for a long time, easily corrosion, damage, and it is inconvenient to replace.
The content of the invention
To overcome prior art problem, the present invention provides a kind of integrated ion gun ion mobility spectrometry apparatus of sampling ionization.
The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization, including sampling portion and sample import and export portion；
The sampling portion includes Sampled Hand Grip and ionization needle, and the ionization needle is configured at the Sampled Hand Grip by cutting ferrule
On, the high-voltage contact being connected with the ionization needle stretched out is included on the cutting ferrule；The sampling portion is used to be inserted into the sample
Import and export portion, the Sampled Hand Grip inside include being used to gather the induction chip of the information of the ionization needle；
The sample import and export portion includes the passage coordinated with the ionization needle, includes touching for the high pressure in the passage
Point provides the power supply of voltage, with including ionization auxiliary Gas Input on the corresponding position of the ionization needle；The passage
Front portion be ion drift area, ion sieve door is included between the ion drift area and the passage.
Preferably, include being used for the card being fixed in the passage on the cutting ferrule, the Sampled Hand Grip includes using
In the button for releasing clamped condition.
Preferably, the material of the ionization needle is rhenium metal.
Preferably, the material of the Sampled Hand Grip is ABS material.
Preferably, the material of the cutting ferrule is peek materials.
Preferably, the power supply is configured with spring, and the spring drives metal clips and the high-voltage contact close
Contact.
Preferably, the position on the head for being used to configure the ionization needle in the passage includes focusing electrode, described poly-
For burnt electrode in the taper tubular of diffusion, its middle part includes through hole, the through hole be used to passing through the ionization needle but not with the electricity
Contacted from pin.
Beneficial effects of the present invention：
The integrated ion gun ion mobility spectrometry apparatus of sampling ionization provided by the invention, sampling portion and ionization source device are organic
Be integrated into one, ionization needle (sampling probe can also be) as ionization and sampling use, after sampling during ionized sample equivalent to
Ionization needle has been cleaned, has realized that the ionization needle of low cross contamination possibility is reused, while ionization needle is as in ion mobility spectrometry
Important part, can simply replace very much ionization needle realizes the replacement of ion gun easily worn part, simplifies ion
The maintenance in migration spectrum later stage；At the same time in sampling, which is easier to obtain dead in original paper sampling and air-breathing sampling
The sampling at angle, such as the sampling in sample gap when sample property is irregular, the inside sampling of bulk sample etc..
Brief description of the drawings
Fig. 1 is the structure diagram of the integrated ion gun ion mobility spectrometry apparatus of sampling ionization of the present invention；
Fig. 2 is the structure diagram in the sampling portion of the integrated ion gun ion mobility spectrometry apparatus of sampling ionization of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：As shown in Figure 1, a kind of integrated ion gun of sampling ionization from
Son migration spectral apparatus, including sampling portion and sample import and export portion；The sampling portion includes Sampled Hand Grip 1 and ionization needle 2, the electricity
It is configured at from pin by cutting ferrule 3 on the Sampled Hand Grip 1, the height being connected with the ionization needle 2 stretched out is included on the cutting ferrule 3
Press contact 4；The material of the cutting ferrule 3 is peek materials, and the material of the Sampled Hand Grip 1 is ABS material；The sampling portion is used for
The sample import and export portion is inserted into, the inside of Sampled Hand Grip 1 includes being used to gather the induction chip of the information of the ionization needle 2
5；The material of the ionization needle 2 is rhenium metal.
The sample import and export portion includes the passage 6 coordinated with the ionization needle 2, and it is the height to include in the passage 6
Contact 4 is pressed to provide the power supply 7 of voltage, with including ionization auxiliary Gas Input 8 on the 2 corresponding position of ionization needle；
The front portion of the passage 6 is ion drift area 9, and ion sieve door 10 is included between the ion drift area 9 and the passage 6.For
Electric portion 7 is configured with spring, and the spring drives metal clips to be in close contact with the high-voltage contact 4.
The position on the head for being used to configure the ionization needle 2 in the passage 6 includes focusing electrode 13, the focusing electrode
13 in diffusion taper tubular, its middle part includes through hole, the through hole be used to passing through the ionization needle 2 but not with the ionization needle
Contact；Ionization needle 2 passes through when being inserted into from the centre bore of focusing electrode 13, and 2 needle point of ionization needle is placed in electrode centers, hot gas circulation
The through hole of over-focusing electrode 13 blows to ion gate direction, ionizes the ion of generation and is acted on from focusing electrode 13 to gathering at channel center
Collecting and moving to ion gate direction, reduces the degree that sample ions are disperseed, and adds the ion populations into ion drift area；
Voltage phase difference is not more than 10V between focusing electrode 13 and ionization needle 2, is adjusted according to actual conditions, common voltage ionization needle
Voltage 4KV, focus electrode voltage 4KV.
Include being used for the card 11 being fixed in the passage on the cutting ferrule 3, the Sampled Hand Grip includes being used to release
The button 12 of clamped condition.
When in use, sampling probe is both ionization needle 2, and after insertion sample import and export portion injection port, card 11 latches and sample
Import and export portion, high voltage supply portion 7 connects with high-voltage contact 4 in sample import and export portion, and sample import and export portion inputs electricity to ionization needle 2
From high pressure needed for sample, while heated to 200 degrees Celsius of ionization auxiliary gas is entered by ionizing 8 entrance of auxiliary Gas Input
The ionized region of passage 6, to aid in ionization needle 2 to ionize sample, makes sample molecule become ion and is desorbed from ionization needle 2
Out, become gaseous state and treat measured ion.Gaseous state treats that measured ion enters ion by ion sieve door 10 by air-flow and electric field action and floats
Area 9 is moved to be analyzed.
Induction chip 5 is further included at this patent Sampled Hand Grip 1, the induction chip 5 of 1 relevant position of Sampled Hand Grip is known
Not, the analytical parameters of compiled implanting ions migration spectrum early period, while card 11 can simultaneously be matched by confirming the model of sampler
The photoelectric sensor switch at place confirms that handle docks completion with sample import and export portion together, and ion is automatically turned on after the completion of confirmation
Migration spectrum detects work.The information read by induction chip 5 gives ion mobility spectrometry main control chip, and induction chip 5 is in information
Code is compared, and transfers the analysis program that code is referred to, and starts migration spectrum workpiece and carries out analysis work, analyzes work
Analysis result is shown in display screen or is transferred to by network interface on computer by end.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, should all fall into the protection domain that claims of the present invention determines.
Claims (7)
1. the integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization, it is characterised in that：
Including sampling portion and sample import and export portion；
The sampling portion includes Sampled Hand Grip and ionization needle, and the ionization needle is configured on the Sampled Hand Grip by cutting ferrule, institute
State the high-voltage contact being connected with the ionization needle for including stretching out on cutting ferrule；The sampling portion is used to be inserted into the sample import and export
Portion, the Sampled Hand Grip inside include being used to gather the induction chip of the information of the ionization needle；
The sample import and export portion includes the passage coordinated with the ionization needle, includes carrying for the high-voltage contact in the passage
Include ionization auxiliary Gas Input on the power supply of voltage supplied, with the corresponding position of the ionization needle；Before the passage
Portion is ion drift area, and ion sieve door is included between the ion drift area and the passage.
2. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：The card
Put on including the card for being fixed in the passage, the Sampled Hand Grip includes being used for the button for releasing clamped condition.
3. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：The electricity
Material from pin is rhenium metal.
4. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：It is described to take
The material of sample handle is ABS material.
5. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：The card
The material of set is peek materials.
6. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：The confession
Electric portion is configured with spring, and the spring drives metal clips to be in close contact with the high-voltage contact.
7. the integrated ion gun ion mobility spectrometry apparatus of sampling ionization according to claim 1, it is characterised in that：It is described logical
The position on the head for being used to configure the ionization needle in road includes focusing electrode, and the focusing electrode is in the taper tubular of diffusion,
Its middle part includes through hole, and the through hole is used for by the ionization needle but is not contacted with the ionization needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009062.7A CN108020593A (en) | 2018-01-04 | 2018-01-04 | The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009062.7A CN108020593A (en) | 2018-01-04 | 2018-01-04 | The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108020593A true CN108020593A (en) | 2018-05-11 |
Family
ID=62071191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009062.7A Pending CN108020593A (en) | 2018-01-04 | 2018-01-04 | The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108020593A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8063362B1 (en) * | 2009-07-09 | 2011-11-22 | The United States Of America As Represented By The Secretary Of The Air Force | Ionic liquid membrane for air-to-vacuum sealing and ion transport |
| CN203192749U (en) * | 2013-04-16 | 2013-09-11 | 苏州微木智能系统有限公司 | Sample introduction device of ion mobility spectrometry detection system |
| 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) |
| CN203859098U (en) * | 2014-05-20 | 2014-10-01 | 中国人民解放军63975部队 | Interface for solid-phase microextraction and ionic migration spectrum |
| US20170221690A1 (en) * | 2014-08-05 | 2017-08-03 | Micromass Uk Limited | Method of Introducing Ions into a Vacuum Region of a Mass Spectrometer |
| CN207946395U (en) * | 2018-01-04 | 2018-10-09 | 上海慧多信息科技发展有限公司 | A kind of integrated ion source ion mobility spectrometry apparatus of sampling ionization |
-
2018
- 2018-01-04 CN CN201810009062.7A patent/CN108020593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8063362B1 (en) * | 2009-07-09 | 2011-11-22 | The United States Of America As Represented By The Secretary Of The Air Force | Ionic liquid membrane for air-to-vacuum sealing and ion transport |
| 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) |
| CN203192749U (en) * | 2013-04-16 | 2013-09-11 | 苏州微木智能系统有限公司 | Sample introduction device of ion mobility spectrometry detection system |
| CN203859098U (en) * | 2014-05-20 | 2014-10-01 | 中国人民解放军63975部队 | Interface for solid-phase microextraction and ionic migration spectrum |
| US20170221690A1 (en) * | 2014-08-05 | 2017-08-03 | Micromass Uk Limited | Method of Introducing Ions into a Vacuum Region of a Mass Spectrometer |
| CN207946395U (en) * | 2018-01-04 | 2018-10-09 | 上海慧多信息科技发展有限公司 | A kind of integrated ion source ion mobility spectrometry apparatus of sampling ionization |
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