CN203774247U - Ion transmission device and mass spectrometric analysis system - Google Patents
Ion transmission device and mass spectrometric analysis system Download PDFInfo
- Publication number
- CN203774247U CN203774247U CN201420074012.4U CN201420074012U CN203774247U CN 203774247 U CN203774247 U CN 203774247U CN 201420074012 U CN201420074012 U CN 201420074012U CN 203774247 U CN203774247 U CN 203774247U
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- China
- Prior art keywords
- ion
- helical coil
- transfer device
- ion transfer
- power supply
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- 238000004949 mass spectrometry Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 241001212149 Cathetus Species 0.000 description 1
- 102000004310 Ion Channels Human genes 0.000 description 1
- 239000012296 anti-solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model provides an ion transmission device and a mass spectrometric analysis system. The ion transmission device comprises a spiral coil, a current source and a first DC voltage-stabilized power supply, wherein the diameter of the spiral coil from an ion inlet end to an ion outlet end is gradually reduced; the current source is connected to the head end of the spiral coil; and the first DC voltage-stabilized power supply is connected to the tail end of the spiral coil. The ion transmission device provided by the utility model has the advantages of good focusing performance, high reliability, ability of reducing solvent interferences, high ion passing rate, low cost and the like.
Description
Technical field
The utility model relates to mass spectral analysis, particularly ion transfer device and mass spectrometry system.
Background technology
At present, the general mode of mass spectral analysis is: the ion that ion source produces enters in vacuum chamber, because the direction of motion is different, easily disperses, and often can run into the problem that system sensitivity is low in last detection.In order to improve sensitivity and the repeatability of analysis, conventionally adopt electrostatic field to go to realize focusing and the transmission of ion.Such technology has the following disadvantages:
1, due to the effect of electric field, ion focusing is inadequate;
2, ion percent of pass is low, therefore needs to add the size that heavy ion passes through, and therefore vacuum system is huge;
3, complex structure;
4, be easily subject to the interference of solvent.
Utility model content
In order to solve the deficiency in above-mentioned prior art scheme, the utility model provide a kind of good condensing performance, reliability high, reduce solvent and disturb and high, the lower-cost ion transfer device of ion percent of pass.
The purpose of this utility model is achieved through the following technical solutions:
A kind of ion transfer device, described ion transfer device comprises:
Helical coil, the diameter of the helical coil from ion inlet orifice end to ion outlet end diminishes gradually;
Current source, described current source connects the head end of described helical coil;
The first D.C. regulated power supply, described the first D.C. regulated power supply connects the tail end of described helical coil.
According to above-mentioned ion transfer device, preferably, described helical coil adopts warp architecture.
According to above-mentioned ion transfer device, preferably, described helical coil adopts resistance wire to be coiled into.
According to above-mentioned ion transfer device, preferably, described helical coil bends to arc.
According to above-mentioned ion transfer device, preferably, described helical coil bending 90 degree.
According to above-mentioned ion transfer device, alternatively, described ion transfer device further comprises:
Buffer electrode, described buffer electrode is arranged on the entrance point of described helical coil;
The second D.C. regulated power supply, described the second D.C. regulated power supply connects described buffer electrode.
The utility model also provides the mass spectrometry system of applying above-mentioned arbitrary ion transfer device, has solved that the ion focusing existing in prior art is poor, ion transmission efficiency is low, be subject to the deficiencies such as solvent interference.This utility model object is achieved by the following technical programs:
A kind of mass spectrometry system, described mass spectrometry system comprises ion source, analyzer, described mass spectrometry system further comprises:
Be arranged on the above-mentioned arbitrary ion transfer device between described ion source and analyzer.
Compared with prior art, the beneficial effect the utlity model has is:
1, the helical coil adopting has solved ion focus issues in a vacuum effectively, improves the sensitivity of ion analysis system;
" horn mouth " (being that entrance point diminishes gradually to the diameter of the helical coil of the port of export) design adopting has improved ion focusing effect further;
2, ion focuses on fast, thereby can dwindle the structure of vacuum chamber in analytical system, reduces system cost;
3, bending ion channel design, can avoid solvent directly to enter analyzer (solvent molecule is not charged, not retrained by axial magnetic field, flies out from helical coil cathetus), the anti-solvent interference performance of raising system effectively;
4, ion transfer channels designs is simple, and the helical coil that only needs current source and D.C. regulated power supply to drive, without the accurate design and installation of structure in electrostatic field design, reduces engineering difficulty.
Brief description of the drawings
With reference to accompanying drawing, disclosure of the present utility model will be easier to understand.Those skilled in the art hold intelligible: these accompanying drawings are only for illustrating the technical solution of the utility model, and are not intended to protection range of the present utility model to be construed as limiting.In figure:
Fig. 1 is the structural representation of the ion transfer device of the utility model embodiment 1;
Fig. 2 is the structural representation of the ion transfer device of the utility model embodiment 2.
Embodiment
Fig. 1,2 and following declarative description optional execution mode of the present utility model how to implement and to reproduce the utility model with instruction those skilled in the art.In order to instruct technical solutions of the utility model, simplify or omitted some conventional aspects.Those skilled in the art should understand that be derived from these execution modes modification or replace will be in scope of the present utility model.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present utility model in every way.Thus, the utility model is not limited to following optional execution mode, and is only limited by claim and their equivalent.
Embodiment 1:
The mass spectrometry system of the utility model embodiment, described mass spectrometry system comprises:
Ion source and analyzer, described ion source and analyzer are the state of the art, do not repeat them here;
Fig. 1 has schematically provided the structure diagram of the ion transfer device of the utility model embodiment, and as shown in Figure 1, described ion transfer device is arranged between described ion source and analyzer, and ion transfer device comprises:
Helical coil 11, described helical coil 11 adopts warp architecture, and the diameter of the helical coil 11 from ion inlet orifice end to ion outlet end diminishes gradually; Described helical coil 11 adopts resistance wire to be coiled into, and bends 90 degree, 60 degree, 45 degree or other acute angles;
Current source 12, described current source 12 connects the head end of described helical coil;
The first D.C. regulated power supply 13, described the first D.C. regulated power supply 13 connects the tail end of described helical coil 11.Under the effect of described current source 12 and the first D.C. regulated power supply 13, between the entrance point of helical coil 11 and the port of export, there is certain electrical potential difference, travel forward in the axial acceleration of helical coil 11 for ion.
The course of work of the ion transfer device of the utility model embodiment, described ion transfer process comprises the following steps:
Under the effect of described current source and the first D.C. regulated power supply, between the entrance point of helical coil and the port of export, there is certain electrical potential difference, and in the axial generation magnetic field of helical coil;
Ion is injected helical coil from entrance point, and focuses on, accelerates in the axial magnetic field forming at bending helical coil, finally penetrates from the port of export.
The benefit reaching according to the utility model embodiment 1 is: simple in structure, low cost, improve significantly ion focusing effect, and the curved design of helical coil has reduced solvent to the adverse effect of measuring.
Embodiment 2:
The mass spectrometry system of the utility model embodiment, described mass spectrometry system comprises:
Ion source and analyzer, described ion source and analyzer are the state of the art, do not repeat them here;
Fig. 2 has schematically provided the structure diagram of the ion transfer device of the utility model embodiment, and as shown in Figure 2, described ion transfer device is arranged between described ion source and analyzer, and ion transfer device comprises:
Helical coil 11, described helical coil 11 adopts warp architecture, and the diameter of the helical coil 11 from ion inlet orifice end to ion outlet end diminishes gradually; Described helical coil 11 adopts Low ESR conductive filament to be coiled into, and bends 90 degree, 60 degree, 45 degree or other acute angles;
Current source 12, described current source 12 connects the head end of described helical coil 11;
The first D.C. regulated power supply 13, described the first D.C. regulated power supply 13 connects the tail end of described helical coil 11.
Buffer electrode 21, described buffer electrode 21 is arranged on the entrance point of described helical coil;
The second D.C. regulated power supply 22, described the second D.C. regulated power supply 22 connects described buffer electrode 21.Under the effect of described buffer electrode and the second D.C. regulated power supply, between the port of export of buffer electrode (being the entrance point of helical coil) and helical coil, there is certain electrical potential difference, travel forward in the axial acceleration of helical coil for ion;
The course of work of the ion transfer device of the utility model embodiment, described ion transfer process comprises the following steps:
Under the effect of described buffer electrode and the second D.C. regulated power supply, between the entrance point of helical coil and the port of export, there is certain electrical potential difference, and in the axial generation magnetic field of helical coil;
Ion is injected helical coil from entrance point, and focuses on, accelerates in the axial magnetic field forming at bending helical coil, finally penetrates from the port of export.
The benefit reaching according to the utility model embodiment 2 is: simple in structure, low cost, improve significantly ion focusing effect, and the curved design of helical coil has reduced solvent to the adverse effect of measuring.
Embodiment 3:
The mass spectrometry system of the embodiment of the present invention and ion transfer method, as different from Example 2: helical coil adopts non-warp architecture, and ion is linear transmission in helical coil.
Claims (7)
1. an ion transfer device, described ion transfer device comprises:
Helical coil, the diameter of the helical coil from ion inlet orifice end to ion outlet end diminishes gradually;
Current source, described current source connects the head end of described helical coil;
The first D.C. regulated power supply, described the first D.C. regulated power supply connects the tail end of described helical coil.
2. ion transfer device according to claim 1, is characterized in that: described helical coil adopts warp architecture.
3. ion transfer device according to claim 1, is characterized in that: described helical coil adopts resistance wire to be coiled into.
4. ion transfer device according to claim 2, is characterized in that: described helical coil bends to arc.
5. ion transfer device according to claim 2, is characterized in that: described helical coil bending 90 degree.
6. ion transfer device according to claim 1, is characterized in that: described ion transfer device further comprises:
Buffer electrode, described buffer electrode is arranged on the entrance point of described helical coil;
The second D.C. regulated power supply, described the second D.C. regulated power supply connects described buffer electrode.
7. a mass spectrometry system, described mass spectrometry system comprises ion source, analyzer, it is characterized in that: described mass spectrometry system further comprises:
Be arranged on the ion transfer device as described in as arbitrary in claim 1 to 6 between described ion source and analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074012.4U CN203774247U (en) | 2014-02-20 | 2014-02-20 | Ion transmission device and mass spectrometric analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074012.4U CN203774247U (en) | 2014-02-20 | 2014-02-20 | Ion transmission device and mass spectrometric analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774247U true CN203774247U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074012.4U Expired - Lifetime CN203774247U (en) | 2014-02-20 | 2014-02-20 | Ion transmission device and mass spectrometric analysis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824748A (en) * | 2014-02-20 | 2014-05-28 | 宁波大学 | Ion transmission device and method |
-
2014
- 2014-02-20 CN CN201420074012.4U patent/CN203774247U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824748A (en) * | 2014-02-20 | 2014-05-28 | 宁波大学 | Ion transmission device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151218 Address after: 201103 No. 900, Changning District, Shanghai, West Yan'an Road Patentee after: Wen Luhong Patentee after: Ningbo University Asset Management Co.,Ltd. Address before: 315211 Fenghua Road 818, Zhejiang, Ningbo Patentee before: Ningbo University |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: 315100, D building, room 655, Kexin building, 304-311 bachelor Road, Ningbo, Zhejiang, Yinzhou District Patentee after: CHINA INNOVATION INSTRUMENT Co.,Ltd. Address before: 201103 No. 900, Changning District, Shanghai, West Yan'an Road Patentee before: Wen Luhong Patentee before: Ningbo University Asset Management Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |