CN104091749B - A kind of mobility spectrometer with Two-way Cycle flat board gas circuit - Google Patents
A kind of mobility spectrometer with Two-way Cycle flat board gas circuit Download PDFInfo
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- CN104091749B CN104091749B CN201410315677.4A CN201410315677A CN104091749B CN 104091749 B CN104091749 B CN 104091749B CN 201410315677 A CN201410315677 A CN 201410315677A CN 104091749 B CN104091749 B CN 104091749B
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Abstract
The invention discloses a kind of mobility spectrometer with Two-way Cycle flat board gas circuit, wherein, doping unit, outer circulation drying unit, internal circulation pump, outer circulation pump, sample molecule collecting chamber and sample vaporizer are dried including flat board gas circuit, migration tube, three-way magnetic valve, sampling pump, internal recycle；Described flat board gas circuit is provided with gas channels.The present invention is integrated in one piece of metal plate by complicated gas circuit is connected, reduce the design difficulty of system and implement difficulty, be conducive to design, the modularity and integrated producing, assembling, each junction adds o grommet type seal, strengthen sealing effectiveness, solve that existing mobility spectrometer circulating air line structure is complicated, sealing is poor, the technical problem of system performance difficulty.
Description
Technical field
The present invention relates to a kind of ionic migration spectrometer, particularly relate to a kind of mobility spectrometer with Two-way Cycle flat board gas circuit.
Background technology
Ionic migration spectrometer is efficient with it, sensitive and portable advantage, it is widely used in gas, the trace detection of drugs and explosive, migration tube is the core building block of mobility spectrometer, in order to migration tube and outside air are isolated, generally require and inner-outer circulation gas circuit crisscross in a large number is set, considerably increase system complexity and implement difficulty, legacy migration spectrometer uses organic plastics pipe as the connection gas circuit between functional unit, aging by tubing, the impact of mechanical shock when transport carrying and work, loosening and obscission easily occurs in seam, circulation gas circuit is polluted by introduced contaminants, reduce the stability of ion maps, instrument sealing is deteriorated, so that instrument overall performance declines.Therefore, designing a kind of simple and reliable circulation gas circuit connection structure, be conducive to the modularized design of mobility spectrometer, and reduce the complexity of system, this prior art need to improve further and development.
Summary of the invention
It is an object of the invention to provide a kind of mobility spectrometer with Two-way Cycle flat board gas circuit, to solve the technical problem that above-mentioned existing ionic migration spectrometer circulating air line structure is complicated, it is unreliable to seal, assemble maintenance difficult.
Technical scheme designed by the present invention is as follows:
A kind of mobility spectrometer with Two-way Cycle flat board gas circuit, wherein, doping unit, outer circulation drying unit, internal circulation pump, outer circulation pump, sample molecule collecting chamber and sample vaporizer are dried including flat board gas circuit, migration tube, three-way magnetic valve, sampling pump, internal recycle；Described flat board gas circuit is provided with gas channels, described migration tube, sample molecule collecting chamber, internal circulation pump and internal recycle dry doping unit and are fixedly installed in flat board gas circuit, and circulate connection composition internal recycle gas circuit successively by the gas channels in flat board gas circuit, described sample molecule collecting chamber, outer circulation pump, sampling pump, three-way magnetic valve and outer circulation drying unit are arranged in flat board gas circuit, and circulated successively with sample vaporizer by the gas channels in flat board gas circuit and connect composition outer circulation gas circuit, sample vaporizer is fixing with sample molecule collecting chamber to be connected, inner-outer circulation gas circuit is by the barrier film in sample molecule collecting chamber separately.
The described mobility spectrometer with Two-way Cycle flat board gas circuit, wherein, described flat board gas circuit includes: the first daughter board and the second daughter board, and described second daughter board is provided with gas circuit groove, on described first daughter board, the two ends of corresponding gas circuit groove are provided with pore, described gas circuit groove and pore composition gas channels.
The described mobility spectrometer with Two-way Cycle flat board gas circuit, wherein, described first daughter board and the second daughter board adopt the laminating of integrally molded technique to install, and form the flat board gas circuit with separate gas channels.
The described mobility spectrometer with Two-way Cycle flat board gas circuit, wherein, described migration tube, three-way magnetic valve, sampling pump, internal recycle dry doping unit, outer circulation drying unit, internal circulation pump, outer circulation pump and sample molecule collecting chamber and are bolted with flat board gas circuit respectively, sample vaporizer is fixing with sample molecule collecting chamber to be connected, and all gas circuit junctions all add o RunddichtringO.
The present invention is integrated in one piece of metal plate by complicated gas circuit is connected, reduce the design difficulty of system and implement difficulty, be conducive to design, the modularity and integrated producing, assembling, the junction of each functional unit and flat board gas circuit adds o grommet type seal, strengthen sealing effectiveness, well solve that existing ionic migration spectrometer circulating air line structure is complicated, it is unreliable to seal, assemble, the technical problem of maintenance difficult.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ionic migration spectrometer of blocking in the present invention.
Fig. 2 is Two-way Cycle flat board gas circuit internal structure schematic diagram in the present invention.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the invention will be further described for embodiment.
As shown in Figure 1, the mobility spectrometer with Two-way Cycle flat board gas circuit provided by the invention, including: flat board gas circuit 1, migration tube 2, three-way magnetic valve 3, sampling pump 4, internal recycle dry doping unit 5, outer circulation drying unit 6, internal circulation pump 7, outer circulation pump 8, sample molecule collecting chamber 9 and sample vaporizer 10.Gas channels (not shown) it is provided with in flat board gas circuit 1；Migration tube 2, sample molecule collecting chamber 9, internal circulation pump 7 and internal recycle dry doping unit 5 and are fixedly installed in flat board gas circuit 1, and circulate connection composition internal recycle gas circuit successively by the gas channels in flat board gas circuit 1；Sample molecule collecting chamber 9, outer circulation pump 8, sampling pump 4, three-way magnetic valve 3 and outer circulation drying unit 6 are fixedly installed in flat board gas circuit 1, and circulated successively with sample vaporizer 10 by the gas channels in flat board gas circuit 1 and connect composition outer circulation gas circuit, sample vaporizer 10 is fixing with sample molecule collecting chamber 9 to be connected, by the barrier film (not shown) in sample molecule collecting chamber separately, in outer circulation gas circuit, sample molecule enters internal recycle gas circuit through barrier film to inner-outer circulation gas circuit.
In the middle of the present invention, migration tube 2, three-way magnetic valve 3, sampling pump 4, internal recycle dry doping unit 5, outer circulation drying unit 6, internal circulation pump 7, outer circulation pump 8 and sample molecule collecting chamber 9 and are bolted to connection with flat board gas circuit 1 respectively, sample vaporizer 10 is fixing with sample molecule collecting chamber 9 to be connected, all gas circuit junctions all add o RunddichtringO, improve the air-tightness of gas channels, it is prevented that the vibrations produced when transport carrying and work cause each unit interface to loosen.
Shown in the schematic diagram of middle plateform gas circuit 1 internal structure as of the present invention in Fig. 2, with the gas channels of connecting tee electromagnetic valve 3 and outer circulation drying unit 6 in figure, the gas channels connecting outer circulation drying unit 6 and outer circulation pump 8 is example, the internal structure of detailed description flat board gas circuit 1, other gas channels are by that analogy.Two-way Cycle flat board gas circuit 1 includes: the first daughter board 11 and the second daughter board 12, first daughter board 11 and the second fixing laminating of daughter board 12 are installed, second daughter board 12 is provided with gas circuit groove 131 and 132, on first daughter board 11, the two ends of corresponding gas circuit groove 131 and gas circuit groove 132 are respectively arranged with pore 141,142,143 and 144, gas circuit groove 131 and 132 forms two separate gas channels through the laminating of the first daughter board 11 and the second daughter board 12, and outer circulation drying unit 6 is connected with three-way magnetic valve 3 and outer circulation pump 8 respectively by these two gas channels.
First daughter board 11 and the second daughter board 12 adopt integrally molded technique to form the flat board gas circuit 1 with separate gas channels, and as the basis of ionic migration spectrometer modularized design.
The present invention is integrated in one piece of metal plate by complicated gas circuit is connected, reduce the design difficulty of system and implement difficulty, be conducive to design, the modularity and integrated producing, assembling, the junction of each functional unit and flat board gas circuit adds o grommet type seal, strengthen sealing effectiveness, well solve that existing ionic migration spectrometer circulating air line structure is complicated, it is unreliable to seal, assemble, the technical problem of maintenance difficult.
Should be understood that; the application of the present invention is not limited to above-mentioned citing; for those of ordinary skills; can be improved according to the above description or be converted; such as; replacement etc. to the connected mode of each several part in the present invention, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (4)
1. a mobility spectrometer with Two-way Cycle flat board gas circuit, it is characterized in that, dry doping unit, outer circulation drying unit, internal circulation pump, outer circulation pump, sample molecule collecting chamber and sample vaporizer including flat board gas circuit, migration tube, three-way magnetic valve, sampling pump, internal recycle；Described flat board gas circuit is provided with gas channels, described migration tube, sample molecule collecting chamber, internal circulation pump and internal recycle dry doping unit and are fixedly installed in flat board gas circuit, and circulate connection composition internal recycle gas circuit successively by the gas channels in flat board gas circuit, described sample molecule collecting chamber, outer circulation pump, sampling pump, three-way magnetic valve and outer circulation drying unit are arranged in flat board gas circuit, and circulated successively with sample vaporizer by the gas channels in flat board gas circuit and connect composition outer circulation gas circuit, sample vaporizer is fixing with sample molecule collecting chamber to be connected, inner-outer circulation gas circuit is by the barrier film in sample molecule collecting chamber separately.
2. the mobility spectrometer with Two-way Cycle flat board gas circuit according to claim 1, it is characterized in that, described flat board gas circuit includes: the first daughter board and the second daughter board, described second daughter board is provided with gas circuit groove, on described first daughter board, the two ends of corresponding gas circuit groove are provided with pore, described gas circuit groove and pore composition gas channels.
3. the mobility spectrometer with Two-way Cycle flat board gas circuit according to claim 2, it is characterised in that described first daughter board and the second daughter board adopt the laminating of integrally molded technique to install, and form the flat board gas circuit with separate gas channels.
4. the mobility spectrometer with Two-way Cycle flat board gas circuit according to claim 1,2 or 3, it is characterized in that, described migration tube, three-way magnetic valve, sampling pump, internal recycle dry doping unit, outer circulation drying unit, internal circulation pump, outer circulation pump and sample molecule collecting chamber and are bolted with flat board gas circuit respectively, and all gas circuit junctions all add o RunddichtringO.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315677.4A CN104091749B (en) | 2014-07-03 | 2014-07-03 | A kind of mobility spectrometer with Two-way Cycle flat board gas circuit |
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| CN201410315677.4A CN104091749B (en) | 2014-07-03 | 2014-07-03 | A kind of mobility spectrometer with Two-way Cycle flat board gas circuit |
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| CN104091749A CN104091749A (en) | 2014-10-08 |
| CN104091749B true CN104091749B (en) | 2016-07-27 |
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| CN107464737B (en) * | 2017-08-28 | 2024-03-08 | 广西电网有限责任公司电力科学研究院 | Stable mass spectrum ion source and installation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2370519A (en) * | 2000-11-13 | 2002-07-03 | Agilent Technologies Inc | Micro-device with electro-spray emitter |
| WO2002074438A3 (en) * | 2001-03-19 | 2003-01-16 | Gyros Ab | Structural units that define fluidic functions |
| CN102437006A (en) * | 2011-12-16 | 2012-05-02 | 北京大学 | MRESI (multichannel rotating electrospray ionization) mass spectrometric analysis ion source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6794647B2 (en) * | 2003-02-25 | 2004-09-21 | Beckman Coulter, Inc. | Mass analyzer having improved mass filter and ion detection arrangement |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2370519A (en) * | 2000-11-13 | 2002-07-03 | Agilent Technologies Inc | Micro-device with electro-spray emitter |
| WO2002074438A3 (en) * | 2001-03-19 | 2003-01-16 | Gyros Ab | Structural units that define fluidic functions |
| CN102437006A (en) * | 2011-12-16 | 2012-05-02 | 北京大学 | MRESI (multichannel rotating electrospray ionization) mass spectrometric analysis ion source |
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| CN104091749A (en) | 2014-10-08 |
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Effective date of registration: 20210413 Address after: 528000 unit 101, 1st floor, building 3, Tianfu science and technology center, 12 Xianan Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Ruina New Material Technology Co.,Ltd. Address before: 528225 room 09, 1st floor, information Avenue (R & D building B), Nanhai Software Science Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG NANHAI ETEB TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211229 Address after: 528000 Nangang Street (factory building), West District, Pingzhou Shawei Industrial Zone, Nanhai District, Foshan City, Guangdong Province Patentee after: GUANGDONG NANHAI ETEB TECHNOLOGY Co.,Ltd. Address before: 528000 unit 101, 1st floor, building 3, Tianfu science and technology center, 12 Xianan Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee before: Foshan Ruina New Material Technology Co.,Ltd. |
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Denomination of invention: A migration spectrometer with dual circulation flat gas path Effective date of registration: 20231025 Granted publication date: 20160727 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: GUANGDONG NANHAI ETEB TECHNOLOGY Co.,Ltd. Registration number: Y2023980062397 |
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Granted publication date: 20160727 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: GUANGDONG NANHAI ETEB TECHNOLOGY Co.,Ltd. Registration number: Y2023980062397 |