CN108428612A - A kind of ion Transmission system and its working method - Google Patents
A kind of ion Transmission system and its working method Download PDFInfo
- Publication number
- CN108428612A CN108428612A CN201711494171.4A CN201711494171A CN108428612A CN 108428612 A CN108428612 A CN 108428612A CN 201711494171 A CN201711494171 A CN 201711494171A CN 108428612 A CN108428612 A CN 108428612A
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- ion
- plate electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/06—Electron- or ion-optical arrangements
- H01J49/062—Ion guides
- H01J49/063—Multipole ion guides, e.g. quadrupoles, hexapoles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
- H01J49/4205—Device types
- H01J49/422—Two-dimensional RF ion traps
- H01J49/4225—Multipole linear ion traps, e.g. quadrupoles, hexapoles
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The present invention provides a kind of ion Transmission system and its working method, the ion Transmission system includes：First plate electrode, first plate electrode have ion inlet orifice；First group of level four bars, first group of level four bars design for non-centrosymmetry；Insulating part, the insulating part is plate-like, and has ion channel；Second group of level four bars, second group of level four bars design for non-centrosymmetry；Second plate electrode, second plate electrode have ion outlet；The ion inlet orifice, ion channel and ion outlet non-colinear；Power supply, the power supply are that first plate electrode and the second plate electrode apply DC voltage, are that first group of level four bars and second group of level four bars apply pulse radiation frequency voltage.The present invention has many advantages, such as simple in structure, low noise, suitable for portable.
Description
Technical field
The present invention relates to ion transmission, more particularly to ion Transmission system and its working method.
Background technology
Mass spectrograph is the instrument of a kind of qualitative and quantitative analysis being widely used, and main includes ion source system, ion
Transmission system, quality analysis system, signal detection system, vacuum system and data processing and electronic control system etc..Currently, making
With most commonly used ion Transmission system be parallel quadrupole rod ion Transmission system and on this basis derived from other multistage bars
System, common rod-shape generally have hyperboloid quadrupole rod, rectangular quadrupole rod and round quadrupole rod.
Metallic rod selected by this kind of parallel bar system includes straight-bar and curved bar, but is entirely the placement that is mutually parallel, and
It is parallel with ion stream transmission direction.Wherein straight-bar ion Transmission system is difficult to remove the chemical noise interference of neutral particle generation,
Although and the chemical noise that can effectively control neutral particle of curved bar ion Transmission system, due to electronic control system design
It is excessively complicated with radio frequency control technology, cause price height to be looked forward to, general tissue is difficult to undertake the relevant technologies and cost.
Invention content
For the deficiency for solving in above-mentioned prior art, the present invention provides a kind of simple in structure, low noise, using wide
General ion Transmission system.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of ion Transmission system, the ion Transmission system include：
First plate electrode, first plate electrode have ion inlet orifice；
First group of level four bars, first group of level four bars design for non-centrosymmetry；
Insulating part, the insulating part is plate-like, and has ion channel；
Second group of level four bars, second group of level four bars design for non-centrosymmetry；
Second plate electrode, second plate electrode have ion outlet；The ion inlet orifice, ion channel and ion
Export non-colinear；
Power supply, the power supply are that first plate electrode and the second plate electrode apply DC voltage, are described first
Group level four bars and second group of level four bars apply pulse radiation frequency voltage.
The present invention also aims to provide the working method of above-mentioned ion Transmission system, the goal of the invention be by with
What lower technical solution was achieved：
According to the working method of above-mentioned ion Transmission system, the working method includes the following steps：
(A1) ions across ion import, and enter in first group of level four bars；
(A2) the ion deflection original direction of motion, and accelerate to move towards the ion channel；
(A3) ion passes through the ion channel, and enters in second group of level four bars；
(A4) the ion deflection original direction of motion, and accelerate to move towards the ion outlet；
(A5) ion passes through the ion outlet.
Compared with prior art, the device have the advantages that being：
1. the invention device uses simple in structure, the convenient square metal bar of processing.
2. two groups of opposite trapezoidal quadrupole square bar structures that the invention uses can effectively reduce the logical of neutral particle
It crosses, by neutral particle and its shielding of the chemical noise of generation except mass analyzer.
Electronic control circuit technology maturation needed for the invention device is reliable, there is very wide in range applicability.
4. the design for gate electrode metal-insulated door-gate electrode metal that the device uses can not only meet ion biography
Defeated needs can also be significantly reduced the chemical noise that neutral particle bombardment metal electrode generates.
5. the normal work of the invention device can effectively protect mass analyzer, in complex matrices and open type environment still
The performance that mass spectrometer can so be played to the greatest extent is to be suitble to mobile or portable mass spectrographic ion Transmission system.
Description of the drawings
With reference to attached drawing, the disclosure will be easier to understand.Skilled addressee readily understands that be：This
A little attached drawings are used only for the technical solution illustrated the present invention, and are not intended to and are construed as limiting to protection scope of the present invention.
In figure：
Fig. 1 is the front view of ion Transmission system according to the ... of the embodiment of the present invention；
Fig. 2 is the vertical view of ion Transmission system according to the ... of the embodiment of the present invention；
Fig. 3 is the left view of ion Transmission system according to the ... of the embodiment of the present invention；
Fig. 4 is the right view of ion Transmission system according to the ... of the embodiment of the present invention.
Specific implementation mode
Fig. 1-4 and following description describe the present invention optional embodiment to instruct how those skilled in the art implement
It is of the invention with reproducing.In order to instruct technical solution of the present invention, some conventional aspects are simplified or have been omitted.Those skilled in the art
It should be appreciated that modification or replacement from these embodiments will within the scope of the invention.Those skilled in the art should understand that
Following characteristics can be combined in various ways to form multiple modifications of the present invention.As a result, the invention is not limited in it is following can
Embodiment is selected, and is only limited by the claims and their equivalents.
Embodiment 1：
Fig. 1-4 schematically illustrates the structure diagram of the ion Transmission system of the embodiment of the present invention 1, as shown in Figs 1-4,
The ion Transmission system includes：
First plate electrode 11, such as rounded, the center of first plate electrode has through-hole using as ion inlet orifice
12；
First group of level four bars, first group of level four bars design for non-centrosymmetry；First group of level four bars include：
First plate electrode 21, it is such as rectangular；
Second plate electrode 22, such as rectangular, second plate electrode is oppositely arranged with the first plate electrode, and opposite
First plate electrode is obliquely installed；
Third plate electrode 23, the third plate electrode are in a rectangular trapezoid；
Fourth panel electrode 24, the fourth panel electrode is in a rectangular trapezoid, and opposite simultaneously with the third plate electrode
It is arranged in parallel；The right-angle side of the fourth panel electrode and first plate electrode, the centerline axis parallel of ion inlet orifice；
First group of level four bars face projection of the end of first plate electrode on first plate electrode
It entirely falls on first plate electrode；
Insulation 31, such as rectangular, the insulating part is plate-like, and has ion channel 32；
Second group of level four bars, second group of level four bars design for non-centrosymmetry；First group of level four bars include：
5th plate electrode 41, it is such as rectangular；
6th plate electrode 42, such as rectangular, the 6th plate electrode is oppositely arranged with the 5th plate electrode, and opposite
5th plate electrode is obliquely installed；
7th plate electrode 43, the 7th plate electrode are in a rectangular trapezoid；
8th plate electrode 44, the 8th plate electrode is in a rectangular trapezoid, and opposite simultaneously with the 7th plate electrode
It is arranged in parallel；The right-angle side of 8th plate electrode and the 5th plate electrode, the centerline axis parallel of ion inlet orifice；
Second plate electrode 51, second plate electrode have through-hole using as ion outlet 52；The ion inlet orifice,
Ion channel and ion outlet non-colinear：The centerline axis parallel of the ion outlet is in the right angle of the 8th plate electrode
Side；Second group of level four bars are faced projection of the end of second plate electrode on second plate electrode and are fallen completely
On second plate electrode；
Power supply, the power supply are that first plate electrode and the second plate electrode apply DC voltage, are described first
Group level four bars and second group of level four bars apply pulse radiation frequency voltage.
The working method of the ion Transmission system of the embodiment of the present invention, the working method include the following steps：
(A1) ions across ion import, and enter in first group of level four bars；
(A2) the ion deflection original direction of motion, and accelerate to move towards the ion channel；
(A3) ion passes through the ion channel, and enters in second group of level four bars；
(A4) the ion deflection original direction of motion, and accelerate to move towards the ion outlet；
(A5) ion passes through the ion outlet.
Embodiment 2：
According to embodiments of the present invention 1 ion Transmission system and its application examples of working method.
As shown in Figs 1-4, in the application examples, the first plate electrode 11 and the second plate electrode 51 are rounded, insulating part
31 is rectangular；First group of level four bars and the second level four bars are symmetrical about insulating part, first plate electrode, 11 and second plate
Electrode 51 is symmetrical about the insulating part；First group of level four bars face projection of the end of the insulation in the insulation
It entirely falls on the insulating part；The central axis of the ion inlet orifice and ion outlet is conllinear, and with the ion channel
Central axis is coplanar；The projection of the ion channel and ion outlet respectively on first plate electrode is tangent, it is described from
Sub- import and projection of the ion channel on first plate electrode are tangent；Face the first of first plate electrode
The center that the end of group level four bars crosses region is on the central axis of the ion inlet orifice；Face the first of the insulating part
The center that the end of group level four bars crosses region is on the central axis of the ion channel.
Claims (10)
1. a kind of ion Transmission system, it is characterised in that：The ion Transmission system includes：
First plate electrode, first plate electrode have ion inlet orifice；
First group of level four bars, first group of level four bars design for non-centrosymmetry；
Insulating part, the insulating part is plate-like, and has ion channel；
Second group of level four bars, second group of level four bars design for non-centrosymmetry；
Second plate electrode, second plate electrode have ion outlet；The ion inlet orifice, ion channel and ion outlet
Non-colinear；
Power supply, the power supply are that first plate electrode and the second plate electrode apply DC voltage, are described first group four
Grade bar and second group of level four bars apply pulse radiation frequency voltage.
2. ion Transmission system according to claim 1, it is characterised in that：First group of level four bars face described first
Projection of the end of plate electrode on first plate electrode is entirely fallen on first plate electrode.
3. ion Transmission system according to claim 1, it is characterised in that：Second group of level four bars face described second
Projection of the end of plate electrode on second plate electrode is entirely fallen on second plate electrode.
4. ion Transmission system according to claim 1, it is characterised in that：First plate electrode and the second plate electricity
Pole is symmetrical about the insulating part, and first group of level four bars and second group of level four bars are symmetrical about the insulating part.
5. ion Transmission system according to claim 4, it is characterised in that：The ion channel and ion outlet are described
Projection on first plate electrode is tangent, the ion inlet orifice and projection of the ion channel on first plate electrode
It is tangent.
6. ion Transmission system according to claim 1, it is characterised in that：The center of the ion inlet orifice and ion outlet
Axis collinear, and it is coplanar with the central axis of the ion channel.
7. ion Transmission system according to claim 4, it is characterised in that：First group of level four bars include：
First plate electrode；
Second plate electrode, second plate electrode are oppositely arranged with the first plate electrode, and the relatively described first tablet electricity
Pole is obliquely installed；
Third plate electrode, the third plate electrode are in a rectangular trapezoid；
Fourth panel electrode, the fourth panel electrode is in a rectangular trapezoid, and opposite with the third plate electrode and parallel set
It sets；The right-angle side of the fourth panel electrode is parallel with first plate electrode.
8. ion Transmission system according to claim 1 or 4, it is characterised in that：Face the of first plate electrode
The center that the end of one group of level four bars crosses region is on the central axis of the ion inlet orifice.
9. ion Transmission system according to claim 1 or 4, it is characterised in that：Face the insulating part first group four
The center that the end of grade bar crosses region is on the central axis of the ion channel.
10. according to the working method of any ion Transmission systems of claim 1-9, the working method includes following step
Suddenly：
(A1) ions across ion import, and enter in first group of level four bars；
(A2) the ion deflection original direction of motion, and accelerate to move towards the ion channel；
(A3) ion passes through the ion channel, and enters in second group of level four bars；
(A4) the ion deflection original direction of motion, and accelerate to move towards the ion outlet；
(A5) ion passes through the ion outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494171.4A CN108428612B (en) | 2017-12-31 | 2017-12-31 | Ion transmission system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494171.4A CN108428612B (en) | 2017-12-31 | 2017-12-31 | Ion transmission system and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108428612A true CN108428612A (en) | 2018-08-21 |
| CN108428612B CN108428612B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711494171.4A Active CN108428612B (en) | 2017-12-31 | 2017-12-31 | Ion transmission system and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164749A (en) * | 2019-04-30 | 2019-08-23 | 宁波大学 | A kind of asymmetric triangular-shaped electrodes structure ion trap |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB737715A (en) * | 1952-06-04 | 1955-09-28 | Bendix Aviat Corp | Mass spectrometer |
| CN103151236A (en) * | 2012-12-29 | 2013-06-12 | 聚光科技(杭州)股份有限公司 | Ion collision reaction tank and ion transmission method |
| CN103824748A (en) * | 2014-02-20 | 2014-05-28 | 宁波大学 | Ion transmission device and method |
| US20170148620A1 (en) * | 2014-05-14 | 2017-05-25 | Shimadzu Corporation | Ion transport apparatus and mass spectrometer using the same |
-
2017
- 2017-12-31 CN CN201711494171.4A patent/CN108428612B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB737715A (en) * | 1952-06-04 | 1955-09-28 | Bendix Aviat Corp | Mass spectrometer |
| CN103151236A (en) * | 2012-12-29 | 2013-06-12 | 聚光科技(杭州)股份有限公司 | Ion collision reaction tank and ion transmission method |
| CN103824748A (en) * | 2014-02-20 | 2014-05-28 | 宁波大学 | Ion transmission device and method |
| US20170148620A1 (en) * | 2014-05-14 | 2017-05-25 | Shimadzu Corporation | Ion transport apparatus and mass spectrometer using the same |
Non-Patent Citations (1)
| Title |
|---|
| 余兴;: "电感耦合等离子体四极杆质谱离子光学系统的现状与进展", 冶金分析, no. 01 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164749A (en) * | 2019-04-30 | 2019-08-23 | 宁波大学 | A kind of asymmetric triangular-shaped electrodes structure ion trap |
| CN110164749B (en) * | 2019-04-30 | 2024-06-07 | 宁波大学 | Asymmetric triangular electrode structure ion trap |
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| Publication number | Publication date |
|---|---|
| CN108428612B (en) | 2023-08-04 |
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