CN116469750A - Ion source multichannel structure of mass spectrometer - Google Patents
Ion source multichannel structure of mass spectrometer Download PDFInfo
- Publication number
- CN116469750A CN116469750A CN202310721046.1A CN202310721046A CN116469750A CN 116469750 A CN116469750 A CN 116469750A CN 202310721046 A CN202310721046 A CN 202310721046A CN 116469750 A CN116469750 A CN 116469750A
- Authority
- CN
- China
- Prior art keywords
- box
- ion source
- sleeve
- channel
- mass spectrometer
- 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.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000001819 mass spectrum Methods 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 18
- 239000000243 solution Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 organic molecules Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/107—Arrangements for using several ion sources
-
- 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
-
- 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
- G01N27/68—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 using electric discharge to ionise a gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention provides a mass spectrometer ion source multichannel structure, which comprises a box body, wherein the top of the box body is provided with a box cover, the inside of the box body is provided with a U-shaped box, the inside of the U-shaped box is provided with a sleeve, the inside of the sleeve is provided with a spring, the bottom surface of the box cover is provided with a connecting rod, the bottom of the connecting rod extends to the top of the spring and is connected with a lug, the top surface of the box cover is symmetrically provided with a first channel pipe and a second channel pipe in a penetrating way, the bottom of the U-shaped box is provided with a sample inlet pipe in a penetrating way, the bottom of the second channel pipe extends to the inside of the sample inlet pipe, two sides of the top surface of the box cover are symmetrically provided with clamping grooves, the inside of the clamping grooves is provided with clamping blocks, and one ends of the clamping blocks are fixedly connected with the top surface of the box body through screws. The scheme is provided with two ion source channels, can be rapidly switched, is simple in wiring, is convenient in flow, greatly shortens the instrument operation time, and remarkably improves the mass spectrum detection efficiency.
Description
Technical Field
The invention belongs to the technical field of mass spectrometers, and particularly relates to an ion source multichannel structure of a mass spectrometer.
Background
Mass spectrometers (Mass Spectrometry, MS) are analytical chemistry instruments for separating and measuring the mass of compounds in a sample, which can be used to analyze almost all types of compounds, including organic molecules, biomolecules, drugs, metal ions, etc., in which the sample is typically ionized first and then separated and detected by a series of electric, magnetic and mass analyzers, etc., the separation being based on the difference in mass-to-charge ratio (m/z) of the molecules, the type and number of molecules being determined by analyzing the change in m/z ratio, mass spectrometry has a wide variety of applications in many fields, such as drug development, environmental analysis, food detection, astrochemistry, etc.
The ion source of the mass spectrometer is provided with two independent spray heads of ESI and APCI modes, the switching between the ion sources of the two modes in the traditional mass spectrometer depends on the replacement of the ion source spray heads, the gas circuit and the liquid circuit are complex in wiring, and the flow is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a multichannel structure of an ion source of a mass spectrometer, which solves the problems that in the prior art, the switching between two types of ion sources in a traditional mass spectrometer depends on the replacement of an ion source nozzle, the wiring of a gas path and a liquid path is complex, and the process is time-consuming and laborious.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mass spectrometer ion source multichannel structure, includes the box, the top of box is equipped with the case lid, the inner wall of box is located the bottom surface below of case lid and is equipped with annular piece, the inside of box is equipped with the U-shaped box, the symmetry is equipped with the dead lever between the lateral wall of U-shaped box and the inner wall of box, the inside of U-shaped box is equipped with the sleeve, telescopic inside is equipped with the spring, the bottom surface of case lid is equipped with the connecting rod, the bottom of connecting rod extends to the top of spring, and is connected with the lug, first channel pipe and second channel pipe have been worn to the top surface symmetry of case lid, first channel pipe and second channel pipe all extend to the inside of U-shaped box, the bottom of U-shaped box is worn to be equipped with the sampling tube, the draw-in groove has been seted up to the top surface bilateral symmetry of case lid, the inside of draw-in groove is equipped with the fixture block, the top surface of fixture block and box passes through screw fixed connection.
Preferably, the inside of the sample feeding pipe is provided with a plurality of elastic rubber sheets, and the plurality of elastic rubber sheets seal the sample feeding pipe.
Preferably, the top of the sleeve is provided with a cylinder cover, the top surface of the cylinder cover is provided with a through hole in a penetrating way, the connecting rod penetrates through the through hole, and the inner diameter of the through hole is smaller than the diameter of the protruding block.
Preferably, the cylinder cover is in threaded connection with the sleeve.
Preferably, the top surface of annular piece has seted up the ring channel, the bottom surface of case lid is equipped with annular slider, annular slider and ring channel cooperation are connected.
Preferably, the first channel tube is an ESI ion source channel, and the second channel tube is an APCI ion source channel.
The invention has at least the following beneficial effects:
the invention provides a multi-channel structure of an ion source of a mass spectrometer, which is provided with two ion source channels, can be rapidly switched, has simple wiring and convenient flow, greatly shortens the operation time of the instrument and obviously improves the detection efficiency of mass spectrum.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top plan view of the case lid of the present invention;
FIG. 3 is a schematic structural view of an elastic rubber sheet according to the present invention.
In the reference numerals: 1. a case; 2. a case cover; 3. a U-shaped box; 4. a fixed rod; 5. a sleeve; 6. a spring; 7. a connecting rod; 8. a first channel tube; 9. a second channel pipe; 10. a sample inlet tube; 11. an elastic rubber sheet; 12. a clamping groove; 13. a clamping block; 14. an annular block; 15. an annular groove; 16. an annular slide block; 17. a cylinder cover; 18. and a bump.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Examples:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mass spectrometer ion source multichannel structure, including box 1, the top of box 1 is equipped with case lid 2, the inner wall of box 1 is located the bottom surface below of case lid 2 and is equipped with annular block 14, concretely, annular block 14 and the inner wall fixed connection of box 1, case lid 2 is taken on annular block 14, the inside of box 1 is equipped with U-shaped box 3, the lateral wall of U-shaped box 3 and the inner wall of box 1 between the symmetry be equipped with dead lever 4, concretely, dead lever 4 and U-shaped box 3 and box 1 are fixed connection, the inside of U-shaped box 3 is equipped with sleeve 5, concretely, the bottom of sleeve 5 and the inner bottom surface fixed connection of U-shaped box 3, the inside of sleeve 5 is equipped with spring 6, concretely, the bottom of spring 6 contacts with the bottom of sleeve 5, the bottom surface of case lid 2 is equipped with connecting rod 7, concretely, connecting rod 7 and the bottom fixed connection of case lid 2, the bottom of connecting rod 7 extends to the top of spring 6, and be connected with lug 18, concretely, lug 18 and connecting rod 7 fixed connection, the top surface of case lid 2 and the inner wall sliding connection of sleeve 5, the top surface symmetry is equipped with U-shaped box 3 and second channel 9 and second channel 10, draw-in channel 10 and the inside of two-in channel 10 and 3 draw-in channel 10 are equipped with, draw-in channel 10 and draw-in channel 10 are drawn through to the inside of two-in channel 10, 13 are equipped with, draw-in channel 10 and 13, 13 draw-in channel 10 and inside channel 10 is equipped with, 13 is connected to the inside channel 10, 13 is equipped with the inside channel 10, 13 and 13 inside channel is equipped with channel, 13 and 13, one end of the clamping block 13 is fixedly connected with the top surface of the box body 1 through a screw.
In this embodiment, when the clamping block 13 is in the clamping groove 12, the second channel pipe 9 is inserted into the sample inlet pipe 10, the spring 6 is in a compressed state, when the box is operated, the screw between the clamping block 13 and the box 1 is removed, the clamping block 13 is taken out of the clamping groove 12, at this time, the fixed connection between the box cover 2 and the box 1 is lost, the elastic action of the spring 6 in the sleeve 5 enables the convex block 18 to rise upwards, the box cover 2 is driven to rise upwards through the connecting rod 7, the box cover 2 drives the second channel pipe 9 to rise upwards, when the spring 6 reaches equilibrium, the box cover 2 is lifted to the maximum position, the second channel pipe 9 is separated from the interior of the sample inlet pipe 10, at this time, the box cover 2 is rotated, the positions of the first channel pipe 8 and the second channel pipe 9 are interchanged, then the box cover 2 is pressed downwards, the convex block 18 is driven to compress the spring 6, and the first channel pipe 8 is driven to be inserted into the sample inlet pipe 10, and after the top surface of the box cover 2 is moved to the position flush with the top of the box 1, the clamping block 13 is put into the clamping groove 12, and the top of the box 1 is fixedly connected with the screw.
Further, a plurality of elastic rubber sheets 11 are arranged in the sample feeding tube 10, the sample feeding tube 10 is sealed by the plurality of elastic rubber sheets 11, specifically, one end of the elastic rubber sheet 11, which is positioned at the center of the sample feeding tube 10, is in a free state, the first channel tube 8 or the second channel tube 9 can be inserted into the sample feeding tube 10 by extruding the elastic rubber sheets 11, and after the first channel tube 8 or the second channel tube 9 leaves the sample feeding tube 10, the elastic rubber sheets 11 are reset.
In this embodiment, the first channel tube 8 or the second channel tube 9 may be inserted into the sample tube 10 by extruding the elastic rubber sheet 11, and when the first channel tube 8 or the second channel tube 9 leaves the sample tube 10, the elastic rubber sheet 11 resets, so that it is ensured that the sample tube 10 can maintain a certain tightness no matter when working or not working, and leakage and pollution can be effectively avoided.
Further, the top of the sleeve 5 is provided with a cylinder cover 17, the top surface of the cylinder cover 17 is provided with a through hole in a penetrating way, the connecting rod 7 penetrates through the through hole, and the inner diameter of the through hole is smaller than the diameter of the protruding block 18.
In this embodiment, the inner diameter of the through hole of the cap 17 is smaller than the diameter of the bump 18, so that when the bump 18 moves to the bottom of the cap 17, the bump 18 is blocked by the cap 17, thereby achieving the limiting effect and avoiding the bump 18 from ejecting out of the sleeve 5.
Further, the cap 17 is screwed with the sleeve 5.
In the embodiment, the cylinder cover 17 is in threaded connection with the sleeve 5, so that the cylinder cover 17 is convenient to install and detach.
Further, the top surface of the annular block 14 is provided with an annular groove 15, the bottom surface of the case cover 2 is provided with an annular slide block 16, the annular slide block 16 is specifically fixedly connected with the case cover 2, the annular slide block 16 is cooperatively connected with the annular groove 15, and the annular slide block 16 is specifically slidingly connected with the annular groove 15.
In this embodiment, when the positions of the first channel pipe 8 and the second channel pipe 9 are switched by rotating the case cover 2, the case cover 2 is limited by the cooperation of the annular slider 16 and the annular groove 15, so that the case cover 2 keeps rotating stably, and further the case cover 2 is prevented from tilting in the rotating process, and the connection of the first channel pipe 8 or the second channel pipe 9 and the sample injection pipe 10 is prevented from being affected.
Further, the first channel tube 8 is an ESI ion source channel, and the second channel tube 9 is an APCI ion source channel.
In this embodiment, by fast switching between the first channel tube 8 and the second channel tube 9, switching between the ESI ion source and the APCI ion source can be fast achieved, and the use is convenient.
While the fundamental principles and main features of the present invention and advantages of the present invention have been shown and described, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential features thereof, and therefore, the embodiments should be considered exemplary and non-limiting in all respects, the scope of the present invention is defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mass spectrometer ion source multichannel structure, its characterized in that, including box (1), the top of box (1) is equipped with case lid (2), the inner wall of box (1) is located the bottom surface below of case lid (2) and is equipped with annular piece (14), the inside of box (1) is equipped with U-shaped box (3), the symmetry is equipped with dead lever (4) between the lateral wall of U-shaped box (3) and the inner wall of box (1), the inside of U-shaped box (3) is equipped with sleeve (5), the inside of sleeve (5) is equipped with spring (6), the bottom surface of case lid (2) is equipped with connecting rod (7), the bottom of connecting rod (7) extends to the top of spring (6), and is connected with lug (18), the top surface symmetry of case lid (2) wears to have first passageway pipe (8) and second passageway pipe (9), first passageway pipe (8) and second passageway pipe (9) all extend to the inside of U-shaped box (3), the bottom of U-shaped box (3) is equipped with sleeve (5), the inside of sleeve (5), the bottom of case lid (2) is equipped with connecting rod (7), the bottom of connecting rod (7) extends to the top surface (12) of spring (12), one end of the clamping block (13) is fixedly connected with the top surface of the box body (1) through a screw.
2. A mass spectrometer ion source multichannel structure as claimed in claim 1, wherein: the inside of the sample inlet pipe (10) is provided with a plurality of elastic rubber sheets (11), and the sample inlet pipe (10) is sealed by the elastic rubber sheets (11).
3. A mass spectrometer ion source multichannel structure as claimed in claim 1, wherein: the top of sleeve (5) is equipped with cover (17), the top surface of cover (17) link up and has seted up the through-hole, connecting rod (7) are run through the through-hole, the internal diameter of through-hole is less than the diameter of lug (18).
4. A mass spectrometer ion source multichannel structure as claimed in claim 3, wherein: the cylinder cover (17) is in threaded connection with the sleeve (5).
5. A mass spectrometer ion source multichannel structure as claimed in claim 1, wherein: an annular groove (15) is formed in the top surface of the annular block (14), an annular sliding block (16) is arranged on the bottom surface of the box cover (2), and the annular sliding block (16) is connected with the annular groove (15) in a matched mode.
6. A mass spectrometer ion source multichannel structure as claimed in claim 1, wherein: the first channel tube (8) is an ESI ion source channel, and the second channel tube (9) is an APCI ion source channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310721046.1A CN116469750B (en) | 2023-06-19 | 2023-06-19 | Ion source multichannel structure of mass spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310721046.1A CN116469750B (en) | 2023-06-19 | 2023-06-19 | Ion source multichannel structure of mass spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116469750A true CN116469750A (en) | 2023-07-21 |
| CN116469750B CN116469750B (en) | 2023-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310721046.1A Active CN116469750B (en) | 2023-06-19 | 2023-06-19 | Ion source multichannel structure of mass spectrometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN116469750B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03152851A (en) * | 1989-11-09 | 1991-06-28 | Hitachi Ltd | Tandem type mass spectrometer |
| JPH0721971A (en) * | 1993-06-30 | 1995-01-24 | Akinari Kasai | Charged particle measuring method and its device |
| US5668370A (en) * | 1993-06-30 | 1997-09-16 | Hitachi, Ltd. | Automatic ionization mass spectrometer with a plurality of atmospheric ionization sources |
| US5825026A (en) * | 1996-07-19 | 1998-10-20 | Bruker-Franzen Analytik, Gmbh | Introduction of ions from ion sources into mass spectrometers |
| US20130042469A1 (en) * | 2011-07-18 | 2013-02-21 | Keith Ferrara | Positioning guides and ion sources |
| CN104576287A (en) * | 2013-10-16 | 2015-04-29 | 北京理工大学 | Ion source system and mass spectrometer for atmospheric pressure interface |
| CN109470764A (en) * | 2017-09-07 | 2019-03-15 | 塞莫费雪科学（不来梅）有限公司 | Isotope ratio mass spectral analysis |
| CN113611590A (en) * | 2021-06-25 | 2021-11-05 | 宁波华仪宁创智能科技有限公司 | Mass spectrometry device and method based on composite ion source |
| CN114068291A (en) * | 2021-04-13 | 2022-02-18 | 杭州安誉科技有限公司 | Mass spectrum interface device applied to mass spectrometer |
| CN114388340A (en) * | 2022-01-11 | 2022-04-22 | 深圳市步锐生物科技有限公司 | Array type ion source for mass spectrum |
| CN114400178A (en) * | 2022-01-28 | 2022-04-26 | 江苏谱策科学仪器有限公司 | Light source switching device for mass spectrum analyzer and mass spectrum analysis system |
| CN217903067U (en) * | 2022-04-24 | 2022-11-25 | 江苏汭博医疗科技有限公司 | Quick biological sample analysis mass spectrum device |
| CN115513036A (en) * | 2022-11-15 | 2022-12-23 | 翊新诊断技术(苏州)有限公司 | Novel mass spectrometer ion source |
-
2023
- 2023-06-19 CN CN202310721046.1A patent/CN116469750B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03152851A (en) * | 1989-11-09 | 1991-06-28 | Hitachi Ltd | Tandem type mass spectrometer |
| JPH0721971A (en) * | 1993-06-30 | 1995-01-24 | Akinari Kasai | Charged particle measuring method and its device |
| US5668370A (en) * | 1993-06-30 | 1997-09-16 | Hitachi, Ltd. | Automatic ionization mass spectrometer with a plurality of atmospheric ionization sources |
| US5825026A (en) * | 1996-07-19 | 1998-10-20 | Bruker-Franzen Analytik, Gmbh | Introduction of ions from ion sources into mass spectrometers |
| US20130042469A1 (en) * | 2011-07-18 | 2013-02-21 | Keith Ferrara | Positioning guides and ion sources |
| CN104576287A (en) * | 2013-10-16 | 2015-04-29 | 北京理工大学 | Ion source system and mass spectrometer for atmospheric pressure interface |
| CN109470764A (en) * | 2017-09-07 | 2019-03-15 | 塞莫费雪科学（不来梅）有限公司 | Isotope ratio mass spectral analysis |
| CN114068291A (en) * | 2021-04-13 | 2022-02-18 | 杭州安誉科技有限公司 | Mass spectrum interface device applied to mass spectrometer |
| CN113611590A (en) * | 2021-06-25 | 2021-11-05 | 宁波华仪宁创智能科技有限公司 | Mass spectrometry device and method based on composite ion source |
| CN114388340A (en) * | 2022-01-11 | 2022-04-22 | 深圳市步锐生物科技有限公司 | Array type ion source for mass spectrum |
| CN114400178A (en) * | 2022-01-28 | 2022-04-26 | 江苏谱策科学仪器有限公司 | Light source switching device for mass spectrum analyzer and mass spectrum analysis system |
| CN217903067U (en) * | 2022-04-24 | 2022-11-25 | 江苏汭博医疗科技有限公司 | Quick biological sample analysis mass spectrum device |
| CN115513036A (en) * | 2022-11-15 | 2022-12-23 | 翊新诊断技术(苏州)有限公司 | Novel mass spectrometer ion source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116469750B (en) | 2023-08-18 |
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