CN209104117U - A kind of compound ionization device - Google Patents
A kind of compound ionization device Download PDFInfo
- Publication number
- CN209104117U CN209104117U CN201822212982.7U CN201822212982U CN209104117U CN 209104117 U CN209104117 U CN 209104117U CN 201822212982 U CN201822212982 U CN 201822212982U CN 209104117 U CN209104117 U CN 209104117U
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- CN
- China
- Prior art keywords
- external electrode
- dielectric tube
- tracheae
- insulated dielectric
- ionization device
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- 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.)
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 21
- 238000001819 mass spectrum Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 3
- 238000005253 cladding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 41
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000752 ionisation method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a kind of compound ionization device, including insulated dielectric tube, and the dielectric pipe outer wall is coated with first external electrode and the second external electrode, and first external electrode and the second external electrode is electrically connected by the first power module；Fixing seat is socketed on the left of insulated dielectric tube, the top of the fixing seat is disposed with the first working gas import and the second working gas import from left to right, fixing seat is internally provided with tracheae, tracheae is internally provided with sample introduction capillary, second power supply module is provided on sample introduction capillary, mass spectrum mouth is provided on the right side of the insulated dielectric tube, the bottom end on the right side of the insulated dielectric tube is provided with article carrying platform, and the fixing seat on the tracheae top is internally provided with heating and temperature control module.The utility model is realized while changing achievable low temperature plasma ion source and electric spray ion source or switching is realized, can not only realize the detection to opposed polarity compound, but also may be implemented to test the sample of different conditions.
Description
Technical field
The utility model relates to compound ionization field, specially a kind of compound ionization device.
Background technique
Currently, mass spectrometry is to carry out separation inspection according to different mass-to-charge ratio m/z after ionizing compound, realize ingredient and
A kind of analysis method of Structural Identification.The high sensitivity and high specific that mass-spectrometric technique has by it, account in species analysis field
According to huge market.Mass spectrometric ionization device is to influence one of maximum device of substance detection sensitivity.For different application
Field, sample and pre-treating method select suitable ion sources most important.
Conventional sample is usually required by cumbersome preprocessing process, in order to realize better test effect under normal conditions
Mass spectrometer with it is chromatograph joint used, but existing ionization device can not when realize low temperature plasma ion derived from electron spray ion
Source uses simultaneously or switching uses, and detects there are certain inconvenience, practicability is lower, can not examine to the sample of different conditions
It surveys, practicability is poor.
Utility model content
The purpose of this utility model is to provide a kind of compound ionization devices, to solve nothing mentioned above in the background art
Realize that low temperature plasma ion uses simultaneously derived from electric spray ion source or switching uses when method, it can not be to the sample of different conditions
Product are detected.
To achieve the above object, the utility model provides the following technical solutions: a kind of compound ionization device, including insulation is situated between
Matter pipe, the dielectric pipe outer wall are coated with first external electrode and the second external electrode, and first external electrode and the second external electrode is logical
The first power module is crossed to be electrically connected；Be socketed with fixing seat on the left of the insulated dielectric tube, the top of the fixing seat from
Left-to-right is disposed with the first working gas import and the second working gas import, and the fixing seat is internally provided with gas
Pipe, the tracheae are internally provided with sample introduction capillary, second power supply module, the insulation are provided on the sample introduction capillary
Mass spectrum mouth is provided on the right side of medium tube, the bottom end on the right side of the insulated dielectric tube is provided with article carrying platform, the tracheae top
Fixing seat be internally provided with heating and temperature control module.
Further, first power module is high-voltage ac power.
Further, the second power supply module is high-voltage DC power supply, and second power supply module acts on sample introduction capillary
Interior sample.
Further, first power module exports radio-frequency voltage, and frequency is 2~80KHz, and amplitude voltage 0.5~
30kV, the second power supply module export DC voltage, and amplitude is 0~± 15KV.
Further, the first external electrode and the second external electrode is cyclic annular or tubular structure, width 0.1mm-
50mm, the first external electrode are kept at a distance with the second external electrode, and distance is 0.5mm-50mm.
Further, the insulated dielectric tube dielectric bore is 0.5mm-20mm, length 1mm-300mm.
Further, the shape of the sample introduction capillary is tubular structure, internal diameter 50um-250um.
Further, the shape of the tracheae is tubular structure, and the inside diameter ranges of the tracheae are 50um-500um, described
Tracheal diameter size is greater than the size of sample introduction capillary outer diameter.
Further, at least one effect of first power module and second power supply module, and the second source
When module acts on, there is Liquid sample introduction in sample introduction capillary.
First working gas can enter from the first working gas import, enter insulated dielectric tube by tracheae；Or
Second working gas enters insulated dielectric tube by the second working gas import, reaches mass spectrum mouth later.First work
Gas and the second working gas are compressed air or high-pressure inert gas or inert gas and any one gas of nitrogen or appoint
It anticipates the mixed gas of several gases；First working gas and at least a kind of working gas work of the second working gas.Described
Two working gas flow velocities are 0.1L/min~5L/min.The insulated dielectric tube is by quartz glass, ceramics or plastics insulating materials
It is made.The sample introduction capillary is made by stainless steel, quartz or glass material.The tracheae is by metal, PEEK
Or quartz material forms.
Compared with prior art, the utility model has the beneficial effects that the compound achievable low-temperature plasma of ionization device
It is realized while body ion source and electric spray ion source or switching is realized, ion source usage mode multiplicity is easy to use, promotes inspection
Effect to be surveyed, while can realize the detection to opposed polarity compound, detection range increases, more various, increase practicability is detected,
And it may be implemented to detect the sample of different conditions, increase the range of detection, reduce pretreatment time, accelerate detection speed
Degree promotes detection efficiency.
Detailed description of the invention
Fig. 1 is the compound ionization working condition flow diagram of the utility model Liquid sample introduction；
Fig. 2 is the structural schematic diagram to work under the utility model solid sample low-temperature plasma bulk-mode；
Fig. 3 is the structural schematic diagram to work under the utility model liquid or gaseous sample low-temperature plasma bulk-mode；
Fig. 4 is the structural schematic diagram to work under the utility model fluid sample electrospray mode.
In figure: 1, insulated dielectric tube；2, the first external electrode；3, the second external electrode；4, the first working gas import；5, second
Working gas import；6, heating and temperature control module；7, sample introduction capillary；8, tracheae；9, fixing seat；10, article carrying platform；11, matter
Compose mouth；12, the first power module；13, second power supply module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of compound ionization device, including dielectric
Pipe 1,1 internal diameter of insulated dielectric tube insulated dielectric tube are 0.5mm-20mm, length 1mm-300mm, are wrapped on 1 outer wall of insulated dielectric tube
It is covered with the first external electrode 2 and the second external electrode 3, the first external electrode 2 and the second external electrode 3 are cyclic annular or tubular structure, width
For 0.1mm-50mm, the first external electrode 2 is kept at a distance with the second external electrode 3, and distance is 0.5mm-50mm, in insulated dielectric tube 1
It is provided with the first power module 12, the first power module 12 is high-voltage ac power, and the first power module 12 exports radio-frequency voltage,
Its frequency is 2~80KHz, 0.5~30kV of amplitude voltage, the first external electrode 2 and the second external electrode 3 respectively with the first power module
12 electrical connections, the left side of insulated dielectric tube 1 are socketed with fixing seat 9, and the top of fixing seat 9 is disposed with the first work from left to right
Make gas feed 4 and the second working gas import 5, the second working gas import 5 is connected to insulated dielectric tube 1, fixing seat 9 it is interior
Portion is provided with tracheae 8, and the shape of tracheae 8 is tubular structure, and the inside diameter ranges of tracheae 8 are 50um-500um, 8 internal diameter of tracheae
Greater than the size of 7 outer diameter of sample introduction capillary, tracheae 8 is internally provided with sample introduction capillary 7, and the shape of sample introduction capillary 7 is pipe
Shape structure, internal diameter 50um-250um are provided with second power supply module 13 on sample introduction capillary 7, and second power supply module 13 is height
DC power supply is pressed, second power supply module 13 exports DC voltage, and amplitude is 0~± 15KV, sample introduction capillary 7 and second source
Module 13 is electrically connected, and the right side of insulated dielectric tube 1 is provided with mass spectrum mouth 11, and the bottom end on 1 right side of insulated dielectric tube is provided with loading
Platform 10, the fixing seat 9 on 8 top of tracheae are internally provided with heating and temperature control module 6.Insulated dielectric tube 1 to mass spectrum mouth 10 away from
From adjustable.
Working principle:
When under compound ionization ion source mode, liquid sample is injected from sample introduction capillary 7 according to certain flow rate, the first work
Gas acts on liquid sample, second source mould into and through tracheae 8 according to certain flow velocity from the first working gas import 4
Block 13 exports DC voltage 4000V, and DC voltage and work gas act on liquid sample and form electron spray；2 He of the first external electrode
Radio frequency high tension is provided by the first power module 12 between the second external electrode 3, radio-frequency voltage frequency is 20KHz, and peak amplitude is
The inclination angle of 8KV, ion source device and article carrying platform 10 is 0-90 °, is preferably 30 °, the second working gas is according to 300mL/min's
Flow velocity enters 1 region of insulated dielectric tube from the second working gas import 5 and generates plasma under the conditions of radio-frequency voltage, wait from
Daughter is contacted with mist state sample, is reacted, and realizes secondary ion process, final to realize to sample efficient ionization process.
When switching low temperature plasma ion source, the first working gas import 4 first enters without gas, sample introduction capillary 7
No gas or liquid enter, and second power supply module 13 does not work, liquid or solid sample load on article carrying platform 10, heating and
Temperature control module 6 heats the sample on article carrying platform 10, by the first power supply between the first external electrode 2 and the second external electrode 3
Module 12 provides radio frequency high tension, and radio-frequency voltage frequency is 20KHz, peak amplitude 8KV, ion source device and article carrying platform 10
Inclination angle is 0-90 °, is preferably 30 °, the second working gas enters according to the flow velocity of 300mL/min from the second working gas import 5
Plasma is generated under the conditions of radio-frequency voltage to 1 region of insulated dielectric tube, plasma is injected in loading along insulated dielectric tube
On the sample of platform 10 or sampler, finally sample is ionized.
When switching low temperature plasma ion source, gaseous sample is injected according to certain flow rate by sample introduction capillary 7 first, this
When the first working gas import 4 without gas enter, the second working gas from the second working gas import 5 according to certain flow velocity into
Enter, mixed with sample gas, provides radio frequency high tension by the first power module 12 between the first external electrode 2 and the second external electrode 3, penetrate
Frequency electric voltage frequency is 20KHz, peak amplitude 6KV, generates plasma under mixed gas radio frequency conditions, gaseous sample obtains
With ionization, mass spectrum mouth 11 is reached by air-flow later, is detected into mass spectrum, realizes the ionization of low temperature plasma ion source
Detection.
When switching electric spray ion source, liquid sample is injected from sample introduction capillary 7 according to certain flow rate first, the first work
Gas enters from the first working gas import 4 according to certain flow velocity, and second power supply module 13 exports DC voltage 4000V, the
Two working gas imports 5 enter without gas, and the first power module 12 does not work, and generate electron spray in this case, carry out to sample
Ionization process enters mass spectrum later and is analyzed, realizes electric spray ion source ionization detection.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (10)
1. a kind of compound ionization device, including insulated dielectric tube (1), it is characterised in that: insulated dielectric tube (1) the outer wall cladding
There are the first external electrode (2) and the second external electrode (3), the first external electrode (2) and the second external electrode (3) pass through the first power module
(12) it is electrically connected；It is socketed with fixing seat (9) on the left of the insulated dielectric tube (1), the top of the fixing seat (9) is from a left side
It is disposed with the first working gas import (4) and the second working gas import (5) to the right side, the inside of the fixing seat (9) is set
It is equipped with tracheae (8), the tracheae (8) is internally provided with sample introduction capillary (7), and is provided on the sample introduction capillary (7)
Two power modules (13) are provided with mass spectrum mouth (11) on the right side of the insulated dielectric tube (1), on the right side of the insulated dielectric tube (1)
Bottom end be provided with article carrying platform (10), the fixing seat (9) on tracheae (8) top is internally provided with heating and temperature control module
(6)。
2. compound ionization device according to claim 1, it is characterised in that: first power module (12) is high pressure friendship
Galvanic electricity source.
3. compound ionization device according to claim 1, it is characterised in that: the second power supply module (13) is high straightening
Galvanic electricity source, second power supply module (13) act on the sample in sample introduction capillary (7).
4. compound ionization device according to claim 3, it is characterised in that: first power module (12) exports radio frequency
Voltage, frequency are 2~80KHz, 0.5~30kV of amplitude voltage, second power supply module (13) the output DC voltage, width
Value is 0~± 15KV.
5. compound ionization device according to claim 1, it is characterised in that: the first external electrode (2) and the second dispatch from foreign news agency
Pole (3) is cyclic annular or tubular structure, and width 0.1mm-50mm, the first external electrode (2) and the second external electrode (3) are kept
Distance, distance are 0.5mm-50mm.
6. compound ionization device according to claim 1, it is characterised in that: the insulated dielectric tube insulated dielectric tube (1)
Internal diameter is 0.5mm-20mm, length 1mm-300mm.
7. compound ionization device according to claim 1, it is characterised in that: the shape of the sample introduction capillary (7) is pipe
Shape structure, internal diameter 50um-250um.
8. compound ionization device according to claim 1, it is characterised in that: the shape of the tracheae (8) is tubular structure,
The inside diameter ranges of the tracheae (8) are 50um-500um, and tracheae (8) internal diameter is greater than sample introduction capillary (7) outer diameter
Size.
9. compound ionization device according to claim 4, it is characterised in that: first power module (12) and the second electricity
At least one effect of source module (13), the and when second power supply module (13) acts on, have in sample introduction capillary (7) liquid into
Sample.
10. compound ionization device according to claim 1, it is characterised in that: the first working gas can be from the first work
Gas feed (4) enters, and enters insulated dielectric tube (1) by tracheae (8)；Or second working gas pass through the second work gas
Body import (5) enters insulated dielectric tube (1), reaches mass spectrum mouth (11) later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212982.7U CN209104117U (en) | 2018-12-27 | 2018-12-27 | A kind of compound ionization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212982.7U CN209104117U (en) | 2018-12-27 | 2018-12-27 | A kind of compound ionization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104117U true CN209104117U (en) | 2019-07-12 |
Family
ID=67163368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822212982.7U Withdrawn - After Issue CN209104117U (en) | 2018-12-27 | 2018-12-27 | A kind of compound ionization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545648A (en) * | 2018-12-27 | 2019-03-29 | 昆山禾信质谱技术有限公司 | A kind of compound ionization device |
-
2018
- 2018-12-27 CN CN201822212982.7U patent/CN209104117U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545648A (en) * | 2018-12-27 | 2019-03-29 | 昆山禾信质谱技术有限公司 | A kind of compound ionization device |
| CN109545648B (en) * | 2018-12-27 | 2024-04-30 | 昆山禾信质谱技术有限公司 | Composite ionization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20240430 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |