CN208596659U - Open type ion source - Google Patents
Open type ion source Download PDFInfo
- Publication number
- CN208596659U CN208596659U CN201721913798.4U CN201721913798U CN208596659U CN 208596659 U CN208596659 U CN 208596659U CN 201721913798 U CN201721913798 U CN 201721913798U CN 208596659 U CN208596659 U CN 208596659U
- Authority
- CN
- China
- Prior art keywords
- connector
- pipe
- ion source
- open type
- type ion
- 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.)
- Active
Links
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model provides a kind of open type ion source, and ion source includes medium tube, high-field electrode and grounding electrode；First connector, conductive contact, the second connector and connector are sequentially connected；There is first passage and second channel, the angle between the axis of second channel and the axis of first passage is acute angle or right angle in connector；The exit of connector is arranged in medium tube；First pipe is arranged in the first connector, and one end extends in conductive contact；Second pipe is arranged in the second connector, and one end extends in conductive contact, and the other end extends in first passage；The distance between end of first pipe and second pipe is greater than zero；In second pipe on the flow direction of fluid, the end of the second pipe in first passage is located at the downstream of the junction of first passage and second channel；Third connector connects connector；Third pipeline is arranged in third connector, and one end extends in second channel.The utility model has many advantages, such as applied widely.
Description
Technical field
The utility model relates to illicit drugs inspection analyses, in particular to open type ion source.
Background technique
Open type mass ion source is a kind of device that sample ionization can be realized under open type environment, relies on sample
Dosage is few, analysis speed is fast, supports the advantages that real-time in-situ detection, becomes the forward position focus of present mass-spectrometric technique research.At present
Have been developed that a variety of different open type mass ion sources, such as DESI, DART, DBDI, EESI.
Such analytical technology mainly has following deficiency: wide spectrum poor universality, and analysis does not have to material demand and uses different ions
Source can not analyze the affine energy small molecule compound of proton if DART is suitble to analyze organic micromolecule compound, and DESI is suitble to analyze
Polarity macromolecular compound can not analyze the organic micromolecule compound of low pole.
Utility model content
To solve the deficiency in above-mentioned prior art, the utility model provides a kind of open type applied widely
Ion source.
The purpose of this utility model is achieved through the following technical solutions:
A kind of open type ion source, the open type ion source include medium tube, high-field electrode and grounding electrode；It is described spacious
Open type ion source further comprises:
First connector；
Conductive contact；
Second connector；
Connector, first connector, conductive contact, the second connector and connector are sequentially connected；Tool in the connector
There are first passage and second channel, the angle between the axis of second channel and the axis of first passage is acute angle or right angle；It is described
The exit of the connector is arranged in medium tube；
First pipe, the first pipe is arranged in first connector, and one end extends in the conductive contact；
Second pipe, the second pipe is arranged in second connector, and one end extends in the conductive contact,
The other end extends in the first passage；First pipe in the conductive contact and between the end of second pipe
Distance is greater than zero；In the second pipe on the flow direction of fluid, the end of the second pipe in the first passage
Portion is located at the downstream of the junction of the first passage and second channel；
Third connector, the third connector connect the connector；
Third pipeline, the third pipeline is arranged in the third connector, and one end extends in the second channel.
Compared with prior art, the utility model has the beneficial effect that
It is applied widely, not only can be by plasma ionization low pole compound, but also it can be by electron spray ion
Change macromolecular compound.
Detailed description of the invention
Referring to attached drawing, the disclosure of the utility model will be easier to understand.Skilled addressee readily understands that
Be: these attached drawings are used only for illustrating the technical solution of the utility model, and are not intended to the protection to the utility model
Range is construed as limiting.In figure:
Fig. 1 is the structure diagram according to the open type ion source of the utility model embodiment 1.
Specific embodiment
Fig. 1 and following description describe the optional embodiments of the utility model to instruct those skilled in the art how real
Apply and reproduce the utility model.In order to instruct technical solutions of the utility model, it has simplified or omitted some conventional aspects.Ability
Field technique personnel should be understood that the variation or replacement from these embodiments will be in the scope of the utility model.This field skill
Art personnel should be understood that following characteristics can be combined in various ways to form multiple modifications of the utility model.This reality as a result,
Following optional embodiments are not limited to novel, and are only limited by the claims and their equivalents.
Embodiment 1:
Fig. 1 schematically illustrates the structure diagram of the open type ion source of the utility model embodiment, as shown in Figure 1,
The open type ion source includes:
First connector 2, first connector have external screw thread；
Conductive contact 3, such as uses metal material, and one end of the conductive contact has the external screw thread with first connector
Matched internal screw thread, the other end have the matched internal screw thread of external screw thread with one end of the second connector；
Second connector 5, the both ends of second connector have an external screw thread, the external screw thread of the other end of the second connector with it is described
The internal screw thread of connector matches；
Connector 6, first connector, conductive contact, the second connector and connector are sequentially connected；Tool in the connector
There are first passage 12 and second channel 13, the angle between the axis of second channel and the axis of first passage is acute angle or right angle；
The exit of the connector is arranged in medium tube 7, the medium tube；
First pipe 1, the first pipe is arranged in first connector, and one end extends to the conductive contact
It is interior；
Second pipe 4, such as capillary glass tube or stainless steel capillary, the second pipe is arranged in second connector
It is interior, and one end extends in the conductive contact, the other end extends in the first passage；In the conductive contact
The distance between end of first pipe and second pipe is greater than zero；In the second pipe on the flow direction of fluid, place
It is located at the downstream of the junction of the first passage and second channel in the end of the second pipe in the first passage；
Third connector 10, the third connector connect the connector；
Third pipeline 11, the third pipeline is arranged in the third connector, and one end extends to the second channel
It is interior；
High-field electrode 8 and grounding electrode 9, if the outside of the medium tube is arranged in high-field electrode, grounding electrode setting exists
The inside of medium tube.
For the ease of the flowing of testing liquid, further, the axis of first passage is straight line.
In order to strengthen the ion source of testing liquid, further, one end of the second pipe passes through the first passage
And it extends in the medium tube.
If the user of ion source does not provide satisfactory direct current and alternating current, need to provide following power supply:
Power supply, the power supply provides DC voltage for the conductive contact, and provides alternating current for the high-field electrode
Pressure.
The course of work of the above-mentioned open type ion source of the utility model embodiment:
Give the conductive contact to apply DC voltage, if amplitude is 1KV-5KV, the conductive contact and grounding electrode it
Between form electric field；Apply alternating voltage to the high-field electrode, if amplitude is 1KV-5KV, frequency 50Hz-1MHz；
Testing liquid is entered in second pipe by first pipe, and is sprayed out of described second pipe, in the electricity
Under field action, formed spraying；
Gas enters in the second channel and first passage from third pipeline, and shape in the region of discharge in medium tube
At plasma, to ionize the sample in the misty testing liquid into the medium tube.
Embodiment 2:
The application examples of open type ion source described in the utility model embodiment 1.
In the application examples, the second pipe is capillary glass tube or metal capillary, and inside diameter ranges are 25 μm of -200 μ
M, external diametrical extent are 150 μm -400 μm；The medium tube includes the insulated dielectric tubes such as quartz glass tube, ceramic tube, inside diameter ranges
For 1mm-5mm, external diametrical extent 2mm-6mm；The gas includes the inert gases such as helium, argon gas or nitrogen；Power supply output
DC voltage amplitude is 1KV-5KV, and the alternating voltage amplitude of output is 1KV-5KV, frequency 50Hz-1MHz；First passage
Angle between central axis and the central axis of second channel is right angle；First passage is linearly.
Claims (8)
1. a kind of open type ion source, the open type ion source includes medium tube, high-field electrode and grounding electrode；Its feature exists
In: the open type ion source further comprises:
First connector；
Conductive contact；
Second connector；
Connector, first connector, conductive contact, the second connector and connector are sequentially connected；Have the in the connector
One channel and second channel, the angle between the axis of second channel and the axis of first passage are acute angle or right angle；The medium
The exit of the connector is arranged in pipe；
First pipe, the first pipe is arranged in first connector, and one end extends in the conductive contact；
Second pipe, the second pipe is arranged in second connector, and one end extends in the conductive contact, another
End extends in the first passage；The distance between the end of first pipe and second pipe in the conductive contact
Greater than zero；In the second pipe on the flow direction of fluid, the end position of the second pipe in the first passage
In the downstream of the junction of the first passage and second channel；
Third connector, the third connector connect the connector；
Third pipeline, the third pipeline is arranged in the third connector, and one end extends in the second channel.
2. open type ion source according to claim 1, it is characterised in that: the axis of first passage is straight line.
3. open type ion source according to claim 1, it is characterised in that: the second pipe is quartz ampoule or stainless steel
Pipe.
4. open type ion source according to claim 1, it is characterised in that: one end of the second pipe passes through described the
One channel simultaneously extends in the medium tube.
5. open type ion source according to claim 1, it is characterised in that: the open type ion source further comprises:
Power supply, the power supply provides DC voltage for the conductive contact, and provides alternating voltage for the high-field electrode.
6. open type ion source according to claim 1, it is characterised in that: first connector has external screw thread, described
Conductive contact has and the matched internal screw thread of the external screw thread.
7. open type ion source according to claim 1, it is characterised in that: the both ends of second connector have outer spiral shell
Line, the conductive contact and connector are respectively provided with and the matched internal screw thread of the external screw thread.
8. open type ion source according to claim 5, it is characterised in that: the high-field electrode is arranged in the medium tube
Outside, the inside of the medium tube is arranged in the grounding electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721913798.4U CN208596659U (en) | 2017-12-31 | 2017-12-31 | Open type ion source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721913798.4U CN208596659U (en) | 2017-12-31 | 2017-12-31 | Open type ion source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596659U true CN208596659U (en) | 2019-03-12 |
Family
ID=65599387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721913798.4U Active CN208596659U (en) | 2017-12-31 | 2017-12-31 | Open type ion source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428613A (en) * | 2017-12-31 | 2018-08-21 | 宁波大学 | Open type ion source and method |
-
2017
- 2017-12-31 CN CN201721913798.4U patent/CN208596659U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428613A (en) * | 2017-12-31 | 2018-08-21 | 宁波大学 | Open type ion source and method |
| CN108428613B (en) * | 2017-12-31 | 2023-08-04 | 宁波大学 | Open ion source and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103545166B (en) | Portable electrospray ion source device and mass spectrometer | |
| JP5470544B2 (en) | Discharge ionization current detector | |
| CN106449349B (en) | Compound ion source based on discharge of plasma in low temperature | |
| US20120292526A1 (en) | Ionization apparatus and ionization analysis apparatus | |
| JP6747198B2 (en) | Dielectric barrier discharge ionization detector | |
| RU2016121637A (en) | CONCENTRIC SOURCE OF IONIZATION OF SURFACES OF IONIZATION FOR CARRYING OUT CHEMICAL IONIZATION AT ATMOSPHERIC PRESSURE (CHIAD), ION WIRE AND METHOD OF APPLICATION | |
| CN104411083B (en) | Device and method for producing continuous low-temperature large-section atmospheric pressure plasma plumes | |
| CN103236394B (en) | Based on atmospheric pressure desorption ion source and the application thereof of microwave plasma | |
| WO2014121107A1 (en) | Improving ion transmission into a mass spectrometer | |
| CN104241077A (en) | Normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint and mass spectrometer | |
| CN104422727A (en) | Two-segment type electrospray needle | |
| CN108428613B (en) | Open ion source and method | |
| CN104616963A (en) | Plasma spray spectrometry ionization source | |
| CN208596659U (en) | Open type ion source | |
| CN105895494B (en) | A kind of mass ions source device | |
| CN106898538A (en) | Mass ion source | |
| CN106783509B (en) | Open type atmospheric pressure ionization device and method | |
| US8853626B2 (en) | Ionization apparatus and ionization analysis apparatus | |
| CN109545648B (en) | Composite ionization device | |
| CN205194655U (en) | Corona discharge ionization trigger device | |
| CN105097413B (en) | Novel ion source and ionization method | |
| CN103871824A (en) | Electrospray ion source ion migration tube and application thereof | |
| CN204424207U (en) | A kind of plasma electrospray mass spectrometry ionization source | |
| CN105651760A (en) | Microplasma apparatus suitable for metallic element analysis in gas | |
| CN209104117U (en) | A kind of compound ionization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |