CN103165385B - A kind of ion migration spectrum micro current signal take-away device - Google Patents
A kind of ion migration spectrum micro current signal take-away device Download PDFInfo
- Publication number
- CN103165385B CN103165385B CN201110427549.5A CN201110427549A CN103165385B CN 103165385 B CN103165385 B CN 103165385B CN 201110427549 A CN201110427549 A CN 201110427549A CN 103165385 B CN103165385 B CN 103165385B
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- CN
- China
- Prior art keywords
- faraday plate
- shielding cylinder
- adapter
- faraday
- cutting ferrule
- 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.)
- Expired - Fee Related
Links
- 238000013508 migration Methods 0.000 title claims description 9
- 230000005012 migration Effects 0.000 title claims description 9
- 238000001228 spectrum Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 13
- 239000010931 gold Substances 0.000 claims description 13
- 229910052737 gold Inorganic materials 0.000 claims description 13
- 238000007747 plating Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000001871 ion mobility spectroscopy Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Radiation (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Patent of the present invention relates to a kind of signal ejector of ion mobility spectrometry.Be specially a kind of micro-current signal ejector of Faraday plate with sealing function.Be characterized in: sealing can be realized, reliable micro-current signal is drawn, prevent the inefficacy that the factors such as vibrations, heating cause.
Description
Technical field
Patent of the present invention relates to Instrumental Analysis field.Be specially a kind of signal ejector for ion mobility spectrometry.The feature that this device has gas circuit sealing, pogo pin contacts draws signal, can improve the performances such as antidetonation, improves system reliability.
Background technology
A major issue in the design of ion mobility spectrometry migration tube is the acceptance of pole weak signal (receive and pacify level) and effectively draws.Usual signal lead-out wire adopts the modes such as welding, can Long-Time Service and there will not be serious problem in quiescent operation environment in laboratory conditions.But the problem under other conditions, as then easily occurred coming off in the dynamic environment such as portable, hand-held.
Pressure electric shock lead-out mode widely uses at electronic applications.In ion mobility spectrometry migration tube, require to possess air-tightness and resistance to elevated temperatures simultaneously, and keep clean zero effusion thing, the design of common electronic applications can not meet the demands completely.
The structure that patent of the present invention adopts well solves this problem.
Summary of the invention
Patent of the present invention relates to a kind of reliable wire device with the small-signal of sealing property.
For reaching this object, the method that this patent adopts is:
A kind of ion migration spectrum micro current signal take-away device, comprise Faraday plate, in being provided with the Faraday plate shielding cylinder of metal away from Faraday plate ion receiving plane side, one end of Faraday plate is set in Faraday plate shielding cylinder, in between the end face and Faraday plate of Faraday plate shielding cylinder, be provided with the Faraday plate insulation cushion of ring-type, between the inwall and Faraday plate of Faraday plate shielding cylinder, be provided with tubular insulated enclosure pressure ring;
The outside wall surface of Faraday plate shielding cylinder is provided with external screw thread, and one end of the adapter of a hollow is with external screw thread, the other end with internal thread, and adapter and Faraday plate shielding cylinder are screwed by internal and external threads; The cutting ferrule nut of hollow is screwed with in the male end of adapter;
The fixing cutting ferrule of hollow is provided with between cutting ferrule nut and adapter;
Faraday plate end away from Faraday plate ion receiving plane is provided with external screw thread, and this male end is screwed with the sealing nut of hollow, and this male end is provided with gold plating spring pin; The gold plating spring pin other end is provided with signal shielding lead-out wire, and signal shielding lead-out wire is drawn by the hollow bulb of adapter, fixing cutting ferrule and cutting ferrule nut.
O RunddichtringO is provided with between the internal face and insulated enclosure pressure ring of Faraday plate shielding cylinder.Faraday plate abuts with gold plating spring pin.
Gold plating spring pin signal shielding lead-out wire draws signal to avoid welding to press tactile mode, ensure that the reliability of connection, has advantage that is shockproof and that can not come off.
Accompanying drawing explanation
Fig. 1 is pogo-pin structure signal ejector, in figure: 1. Faraday plate 2.O RunddichtringO 3. insulated enclosure pressure ring 4. sealing nut 5. cutting ferrule 6. gold plating spring pin signal shielding lead-out wire 7. clamp nut 8. adapter 9. Faraday plate shields 10. Faraday plate insulation cushions.
Embodiment
Embodiment
A kind of ion migration spectrum micro current signal take-away device, comprise Faraday plate 1, in being provided with the Faraday plate shielding cylinder 9 of metal away from Faraday plate 1 ion receiving plane side, one end of Faraday plate 1 is set in Faraday plate shielding cylinder 9, in between the end face and Faraday plate 1 of Faraday plate shielding cylinder 9, be provided with the Faraday plate insulation cushion 10 of ring-type, between the inwall and Faraday plate 1 of Faraday plate shielding cylinder 9, be provided with tubular insulated enclosure pressure ring 3;
The outside wall surface of Faraday plate shielding cylinder 9 is provided with external screw thread, and one end of the adapter 8 of a hollow is with external screw thread, the other end with internal thread, and adapter 8 and Faraday plate shielding cylinder 9 are screwed by internal and external threads; The cutting ferrule nut 7 of hollow is screwed with in the male end of adapter 8; The fixing cutting ferrule 5 of hollow is provided with between cutting ferrule nut 7 and adapter 8; Signal lead-out wire can be fixed and ensure that gold plating spring pin is conflicted on Faraday plate with certain pressure by this cutting ferrule.
Faraday plate 1 end away from Faraday plate 1 ion receiving plane is provided with external screw thread, and this male end is screwed with the sealing nut 4 of hollow, and this male end is provided with gold plating spring pin; The gold plating spring pin other end is provided with signal shielding lead-out wire 6, and signal shielding lead-out wire 6 is drawn by the hollow bulb of adapter 8, fixing cutting ferrule 5 and cutting ferrule nut 7.O RunddichtringO 2 is provided with between the internal face and insulated enclosure pressure ring 3 of Faraday plate shielding cylinder 9.Faraday plate 1 abuts with gold plating spring pin.
Gold plating spring pin signal shielding lead-out wire 6 draws signal to avoid welding to press tactile mode, ensure that the reliability of connection, has advantage that is shockproof and that can not come off.
Claims (3)
1. an ion migration spectrum micro current signal take-away device, comprises Faraday plate (1), it is characterized in that:
In being provided with the Faraday plate shielding cylinder (9) of metal away from Faraday plate (1) ion receiving plane side, one end of Faraday plate (1) is set in Faraday plate shielding cylinder (9), in between the end face and Faraday plate (1) of Faraday plate shielding cylinder (9), be provided with the Faraday plate insulation cushion (10) of ring-type, between the inwall and Faraday plate (1) of Faraday plate shielding cylinder (9), be provided with tubular insulated enclosure pressure ring (3);
The outside wall surface of Faraday plate shielding cylinder (9) is provided with external screw thread, one end of the adapter (8) of one hollow is with external screw thread, the other end with internal thread, and adapter (8) and Faraday plate shielding cylinder (9) are screwed by internal and external threads; The cutting ferrule nut (7) of hollow is screwed with in the male end of adapter (8);
The fixing cutting ferrule (5) of hollow is provided with between cutting ferrule nut (7) and adapter (8);
Faraday plate (1) end away from Faraday plate (1) ion receiving plane is provided with external screw thread, and this male end is screwed with the sealing nut (4) of hollow, and this male end is provided with gold plating spring pin; The gold plating spring pin other end is provided with signal shielding lead-out wire (6), and signal shielding lead-out wire (6) is drawn by the hollow bulb of adapter (8), fixing cutting ferrule (5) and cutting ferrule nut (7).
2. ion migration spectrum micro current signal take-away device as claimed in claim 1, is characterized in that: between the internal face and insulated enclosure pressure ring (3) of Faraday plate shielding cylinder (9), be provided with O RunddichtringO (2).
3. ion migration spectrum micro current signal take-away device as claimed in claim 1, is characterized in that: Faraday plate (1) abuts with gold plating spring pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110427549.5A CN103165385B (en) | 2011-12-19 | 2011-12-19 | A kind of ion migration spectrum micro current signal take-away device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110427549.5A CN103165385B (en) | 2011-12-19 | 2011-12-19 | A kind of ion migration spectrum micro current signal take-away device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103165385A CN103165385A (en) | 2013-06-19 |
| CN103165385B true CN103165385B (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110427549.5A Expired - Fee Related CN103165385B (en) | 2011-12-19 | 2011-12-19 | A kind of ion migration spectrum micro current signal take-away device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103165385B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370760A (en) * | 2015-07-24 | 2017-02-01 | 中国科学院大连化学物理研究所 | Coupling interface used for gas chromatographic column and high-field asymmetric waveform ion mobility spectrometry |
| CN114068284A (en) * | 2021-11-24 | 2022-02-18 | 中国科学院大连化学物理研究所 | Ion receiving electrode device for high-air-tightness ion migration tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0551722A1 (en) * | 1992-01-16 | 1993-07-21 | Ion Track Instruments, Inc. | Improvements to ion mobility spectrometers |
| US6969851B1 (en) * | 2004-08-18 | 2005-11-29 | The University Of Chicago | Ion-mobility spectrometry sensor for NOx detection |
| RU2293975C2 (en) * | 2005-02-21 | 2007-02-20 | Владимир Иванович Капустин | Ion mobility ion spectrometer's collector unit |
| CN201181287Y (en) * | 2007-12-29 | 2009-01-14 | 同方威视技术股份有限公司 | Migration tube structure used for ion mobility spectrometer |
| CN201425586Y (en) * | 2009-05-22 | 2010-03-17 | 公安部第三研究所 | Tube for determining current leakage type sucking and sampling ionic mobility in efficient ladder field |
-
2011
- 2011-12-19 CN CN201110427549.5A patent/CN103165385B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0551722A1 (en) * | 1992-01-16 | 1993-07-21 | Ion Track Instruments, Inc. | Improvements to ion mobility spectrometers |
| US6969851B1 (en) * | 2004-08-18 | 2005-11-29 | The University Of Chicago | Ion-mobility spectrometry sensor for NOx detection |
| RU2293975C2 (en) * | 2005-02-21 | 2007-02-20 | Владимир Иванович Капустин | Ion mobility ion spectrometer's collector unit |
| CN201181287Y (en) * | 2007-12-29 | 2009-01-14 | 同方威视技术股份有限公司 | Migration tube structure used for ion mobility spectrometer |
| CN201425586Y (en) * | 2009-05-22 | 2010-03-17 | 公安部第三研究所 | Tube for determining current leakage type sucking and sampling ionic mobility in efficient ladder field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103165385A (en) | 2013-06-19 |
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Granted publication date: 20150729 |