CN102290317A - Ion transference tube - Google Patents
Ion transference tube Download PDFInfo
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- CN102290317A CN102290317A CN2011102122349A CN201110212234A CN102290317A CN 102290317 A CN102290317 A CN 102290317A CN 2011102122349 A CN2011102122349 A CN 2011102122349A CN 201110212234 A CN201110212234 A CN 201110212234A CN 102290317 A CN102290317 A CN 102290317A
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- millimeters
- ion
- tube
- insulating barrier
- ion transference
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- 239000012212 insulator Substances 0.000 claims description 26
- 230000005012 migration Effects 0.000 claims description 25
- 238000013508 migration Methods 0.000 claims description 25
- 230000004888 barrier function Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005684 electric field Effects 0.000 abstract description 9
- 150000002500 ions Chemical class 0.000 description 32
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009791 electrochemical migration reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The invention provides an ion transference tube. Alternately assembled electrodes and insulating baffle plates form a hollow tubular ion transference region, wherein a hollow round tubular insulating body framework with a sealed tube wall is arranged in the tubular ion transference region; the electrodes and the insulating baffle plates are sleeved on the insulating body framework in a matched manner; and the length of the insulating body framework is 89 millimeters. In the ion transference tube, the hollow round tubular insulating body framework with the sealed tube wall is arranged in the tubular ion transference region, and the electrodes and the insulating baffle plates are sleeved on the insulating body framework in the matched manner, so the ion transference tube is totally enclosed to the outside, the electrodes and the insulating baffle plates have consistent concentricity during assembly, and the stability and the axial uniformity of an electric field in the ion transference tube are ensured. Meanwhile, the insulating body framework has a strong enhancement effect on an ion signal.
Description
Technical field
The present invention relates to ion migrating technology field, relate in particular to a kind of transference tube.
Background technology
Transference tube is a vitals in the ionic migration spectrometer, and the sample molecule ionization that contains in the checked property, ion migration are all carried out in transference tube.Transference tube comprises: air inlet, gas outlet, molecule ionization district, ion migration area and Faraday detector, wherein, ionization district, migration area and Faraday detector are formed tubulose, air inlet and gas outlet are opened on the pipe, and the ion migration area alternately is made of each other ring electrode and dead ring.
Because transference tube has only higher cleanliness factor of maintenance and aridity and needs to keep stable temperature, can guarantee the stability of ion signal.Ring electrode only has consistent concentricity with dead ring, can guarantee the axial electric field uniformity.But above-mentioned transference tube structure, especially ion migration area owing to be made up of many ring electrodes and dead ring, therefore, are difficult to guarantee the sealing fully to external world of migration tube, also are not easy to make migration tube to have consistent concentricity during assembling.
Summary of the invention
For this reason, technical problem to be solved by this invention is: a kind of transference tube is provided, makes this migration tube not only can guarantee sealing fully to external world, but also make it have consistent concentricity can guarantee to assemble ring electrode with dead ring the time.
So, the invention provides a kind of transference tube, alternatively stacked electrode and insulating barrier have formed the ion migration area of a hollow tubular, also be provided with the insulator skeleton of a hollow round tubular, tube wall sealing in described tubulose ion migration area, described electrode and insulating barrier mate at interval and are set on the insulator skeleton, and the length of described insulator skeleton is 89 millimeters.
Wherein, described electrode and insulating barrier are ring-type.
Wherein, the external diameter of described ring-type insulating barrier is 62 millimeters, and internal diameter is 53 millimeters, and thickness is 6 millimeters; Described electrode external diameter is 53 millimeters, and internal diameter is 41 millimeters, and thickness is 4 millimeters.
Transference tube of the present invention, by set up the insulator skeleton of a hollow round tubular, tube wall sealing in tubulose ion migration area, allow electrode and insulating barrier coupling be set on the insulator skeleton, not only guaranteed the sealing fully of transference tube, but also can guarantee when assembling electrode and insulating barrier, make it have consistent concentricity, the stability of transference tube internal electric field and the axial uniformity of electric field have been ensured, simultaneously, described insulator skeleton also has very strong enhancement effect to ion signal.The insulator skeleton is 89 millimeters these length, has guaranteed that effectively total ion migration flying distance is 100 millimeters, has both guaranteed the clearly separation of object ion, has guaranteed that again the loss of ion is less.
Description of drawings
Fig. 1 is the structural representation of the described transference tube of the embodiment of the invention.
Embodiment
Below, describe the present invention in conjunction with the accompanying drawings.
As shown in Figure 1, present embodiment provides a kind of transference tube 20, and this migration tube 20 comprises: electrode 21, insulating barrier 22, insulator skeleton 24, ion gate assembly 25 and Faraday assembly 26.
Wherein, in this migration tube 20, alternatively stacked electrode 21 and insulating barrier 22 have formed the ion migration area 23 of a hollow tubular, and, also be provided with the insulator skeleton 24 of a hollow round tubular, tube wall sealing in described tubulose ion migration area 23, described electrode 21 and insulating barrier 22 couplings are set on the insulator skeleton 24.
Above-mentioned electrode 21 and insulating barrier 22 can be ring-type, also can be that the centre is the electrode of arbitrary shape and insulating barrier for hollow round tubular, outside.
Because the establishment of ion migration flying distance needs 2 important assurances, first must move under the flying distance condition at ion exactly, can produce clear and definite separation between the object ion; The second, we notice simultaneously, if ion migration flying distance is big, losses of ions is just big, can propose higher requirement to Faraday detector detect ion electric current and signal amplification.Therefore amid all these factors, determine that ion migration flying distance is 100 millimeters clearly separation that can either guarantee object ion, can guarantee that again the loss of ion is less.For this reason, the length of above-mentioned insulator skeleton 24 should be 89 millimeters.The external diameter of preferred described ring-type insulating barrier is 62 millimeters, and internal diameter is 53 millimeters, and thickness is 6 millimeters; Described electrode external diameter is 53 millimeters, and internal diameter is 41 millimeters, and thickness is 4 millimeters.
The described transference tube 20 of present embodiment is set up the insulator skeleton 24 of a hollow round tubular, tube wall sealing in tubulose ion migration area 23, guaranteed ion migration area 23 sealing fully to external world, has ensured the axial uniformity of transference tube internal electric field.
The described transference tube 20 of present embodiment allows electrode 21 and insulating barrier 22 couplings be set on the insulator skeleton 24, when having guaranteed to remove to assemble electrode 21 and insulating barrier, consistent concentricity can be arranged, and has guaranteed the axial uniformity of transference tube internal electric field.
Experiment showed, the described transference tube 20 of present embodiment, the insulator skeleton 24 of its hollow round tubular and tube wall sealing can also produce very strong enhancement effect to ion signal.
Above-mentioned electrode 21 and insulating barrier 22 being set on the insulator skeleton 24 of coupling are meant: when electrode 21 and insulating barrier 22 are enclosed within on the insulator skeleton 24, size is suitable each other, promptly, electrode 21 just can be enclosed within on the insulator skeleton 24, insulating barrier 22 also just can be enclosed within on the insulator skeleton 24, it is constant to guarantee that like this electrode 21 and insulating barrier 22 are enclosed within on the insulator skeleton 24 position, back, does not rock, and helps keeping the axial uniformity of electric field.
In sum, the described transference tube of present embodiment, by set up the insulator skeleton of a hollow round tubular, tube wall sealing in tubulose ion migration area, allow electrode and insulating barrier coupling be set on the insulator skeleton, not only guaranteed the sealing fully of transference tube, but also can guarantee when assembling electrode and insulating barrier, make it have consistent concentricity, the stability of transference tube internal electric field and the axial uniformity of electric field have been ensured, simultaneously, described insulator skeleton also has very strong enhancement effect to ion signal.The insulator skeleton is 89 millimeters these length, has guaranteed that effectively total ion migration flying distance is 100 millimeters, has both guaranteed the clearly separation of object ion, has guaranteed that again the loss of ion is less.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. transference tube, alternatively stacked electrode and insulating barrier have formed the ion migration area of a hollow tubular, it is characterized in that, also be provided with the insulator skeleton of a hollow round tubular, tube wall sealing in described tubulose ion migration area, described electrode and insulating barrier mate at interval and are set on the insulator skeleton, and the length of described insulator skeleton is 89 millimeters.
2. transference tube according to claim 1 is characterized in that, described electrode and insulating barrier are ring-type.
3. transference tube according to claim 2 is characterized in that, the external diameter of described ring-type insulating barrier is 62 millimeters, and internal diameter is 53 millimeters, and thickness is 6 millimeters; Described electrode external diameter is 53 millimeters, and internal diameter is 41 millimeters, and thickness is 4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212234.9A CN102290317B (en) | 2011-07-27 | 2011-07-27 | Ion transference tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212234.9A CN102290317B (en) | 2011-07-27 | 2011-07-27 | Ion transference tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102290317A true CN102290317A (en) | 2011-12-21 |
| CN102290317B CN102290317B (en) | 2013-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110212234.9A Expired - Fee Related CN102290317B (en) | 2011-07-27 | 2011-07-27 | Ion transference tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN102290317B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651302A (en) * | 2012-05-14 | 2012-08-29 | 清华大学深圳研究生院 | Ion mobility spectrometer and migration tube thereof |
| CN110504154A (en) * | 2018-11-25 | 2019-11-26 | 中国科学院大连化学物理研究所 | A kind of high-air-tightness transference tube |
| CN112599402A (en) * | 2020-11-24 | 2021-04-02 | 中船重工安谱（湖北）仪器有限公司 | Spliced combined type double-radiation-source ion migration tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413919A (en) * | 2007-08-01 | 2009-04-22 | 中国科学院大连化学物理研究所 | Method for recognizing and analyzing sample and ion transfer spectrometer |
| CN101471222A (en) * | 2007-12-29 | 2009-07-01 | 同方威视技术股份有限公司 | Migration tube structure used for ion mobility spectrometer |
-
2011
- 2011-07-27 CN CN201110212234.9A patent/CN102290317B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413919A (en) * | 2007-08-01 | 2009-04-22 | 中国科学院大连化学物理研究所 | Method for recognizing and analyzing sample and ion transfer spectrometer |
| CN101471222A (en) * | 2007-12-29 | 2009-07-01 | 同方威视技术股份有限公司 | Migration tube structure used for ion mobility spectrometer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651302A (en) * | 2012-05-14 | 2012-08-29 | 清华大学深圳研究生院 | Ion mobility spectrometer and migration tube thereof |
| CN110504154A (en) * | 2018-11-25 | 2019-11-26 | 中国科学院大连化学物理研究所 | A kind of high-air-tightness transference tube |
| CN112599402A (en) * | 2020-11-24 | 2021-04-02 | 中船重工安谱（湖北）仪器有限公司 | Spliced combined type double-radiation-source ion migration tube |
| CN112599402B (en) * | 2020-11-24 | 2021-08-06 | 中船重工安谱（湖北）仪器有限公司 | Spliced combined type double-radiation-source ion migration tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102290317B (en) | 2013-08-21 |
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