CN207491286U - Dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid - Google Patents
Dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid Download PDFInfo
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- CN207491286U CN207491286U CN201721367760.1U CN201721367760U CN207491286U CN 207491286 U CN207491286 U CN 207491286U CN 201721367760 U CN201721367760 U CN 201721367760U CN 207491286 U CN207491286 U CN 207491286U
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- generator
- dielectric barrier
- barrier discharge
- pipe
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Abstract
The utility model category chemical analysis field is related to a kind of dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid, and including generator, the bottom connection carrier fluid input pipe of generator connects high-field electrode cathode on carrier fluid input pipe；Partition board in generator is set, through-hole is opened up on partition board and overflow pipe is set；Carrier gas input pipe and waste liquid discharge pipe on the side wall of generator are set, circular ring shape high-field electrode anode in the top collar extension of generator is set, annular microplasma jet port is set on high-field electrode anode.Interior electrode of the utility model using the multichannel liquid that arranges as dielectric barrier discharge device, it can realize being introduced directly into for sample solution, simplify sample analysis step, with steam luminous efficiency it is high, can continuous streaming sample introduction, easy to use and other effects, suitable for the analysis of all samples solution, the efficient application of dielectric barrier discharge microplasma is realized.
Description
Technical field
The utility model category chemical analysis field is related to a kind of micro-plasma generator, specifically a kind of to be based on three
Tie up the dielectric barrier discharge micro-plasma generator of liquid internal electrode.
Background technology
Dielectric barrier discharge microplasma (Dielectric barrier discharge, DBD) is that have dielectric
Be inserted into a kind of nonequilibrium state of discharge space, low temperature, instant gas discharge the microplasma to be formed, in recent years in analysisization
The fields such as, material preparation are widely used.The electrode of DBD can be the conductive materials such as copper, iron, aluminium, carbon, and insulation is situated between
Matter is usually quartz either glass or ceramics or polymer material etc..Common DBD is configured with flat and coaxial
Two kinds of structures of formula, flat DBD refer to that dielectric, electrode are usually slab construction, and coaxial-type DBD is typically then by interior electricity
Pole, dielectric and external electrode form a concentric structure.
Traditional dielectric barrier discharge microplasma is typically only capable to the analysis as gaseous sample, and being will using carrier gas
Sample is introduced into device in gaseous form, microplasma is formed under voltage effect, for sample analysis.Due to sample
Majority is that occur as a solution in the analysis process, is needed when carrying out chemical analysis using dielectric barrier discharge microplasma
Solution is converted to gaseous state, process is cumbersome, also virtually increased cost, limits dielectric barrier discharge microplasma
Using.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art and provides a kind of Jie based on electrode in three-dimensional liquid
Matter barrier discharge micro-plasma generator using liquid as the interior electrode of dielectric barrier discharge device, can realize liquid
Sample is introduced directly into, while using multichannel liquid form arranged side by side, improves the excitation ability of microplasma, have steam hair
It is raw it is efficient, can continuous streaming sample introduction, easy to use and other effects.
Technical solution used by the utility model：
A kind of dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid, including bottom seal
Cylindric generator, the bottom setting carrier fluid entrance of generator simultaneously connect carrier fluid input pipe, occur for sample solution to be inputted
In device, high-field electrode cathode is connected on carrier fluid input pipe, sample solution flows through carrier fluid input pipe and high-field electrode cathode contacts
After charge；Generator is divided into the partition board of upper and lower two parts cavity by setting in generator, opens up several through-holes on partition board, often
Overflow pipe is set on a through-hole, sample solution through carrier fluid input pipe (electrification) into generator lower cavity, under hydraulic pressure effect
Continue uplink, finally overflowed by overflow pipe；Carrier gas input pipe and waste liquid discharge pipe, waste liquid discharge are set on the side wall of generator
The position of pipe is equal to or slightly higher than the position of the partition board in generator, and circular ring shape high-field electrode is set in the top collar extension of generator
Anode, the annular microplasma jet port of setting on high-field electrode anode, the sample solution of electrification overflowed by overflow pipe after with height
Electrode anode is pressed to generate dielectric barrier discharge and forms microplasma, the carrier gas through the input of carrier gas input pipe is with the micro- etc. of excitation
Gas ions are sprayed from jet port, for Instrumental Analysis.Sample solution after being excited is flowed on partition board and is discharged through waste liquid discharge pipe.
As further improvement of the utility model, the through-hole on the generator internal partition is distributed in arrangement shape, just
It is that overflow pipe is made to be conducive to improve the excitation ability of microplasma in arrangement shape distribution.
As further improvement of the utility model, the annular microplasma jet port is designed as gradual shrinkage structure,
I.e. its bore with high-field electrode anode junction is larger, is tapered into from the bottom to top to the bore in exit, similar to leakage
Bucket shape structure is conducive to carrier gas and is ejected (with microplasma) from outlet in this way.
Multichannel liquid of the utility model to arrange can realize that sample is molten as the interior electrode of dielectric barrier discharge device
Liquid is introduced directly into, while sample solution is made directly to be excited in a device, improves the excitation ability of microplasma, is simplified
Sample analysis step, have steam luminous efficiency it is high, can continuous streaming sample introduction, easy to use and other effects, suitable for all samples
The efficient application of dielectric barrier discharge microplasma is realized in the analysis of solution.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1st, generator；2nd, high-field electrode anode；3rd, annular microplasma jet port；4th, overflow pipe；5th, waste liquid is arranged
Outlet pipe；6th, high-field electrode cathode；7th, carrier fluid input pipe；8th, partition board；9th, carrier gas input pipe.
Specific embodiment
Below by example with reference, the utility model is described in further detail, but not as to the utility model
It limits.
In the construction shown in fig. 1, the dielectric barrier discharge provided by the utility model based on electrode in three-dimensional liquid
Micro-plasma generator, including generator 1, the cylindrical structure of generator, bottom seal are made of glass material,
The situation inside generator can be observed directly, the bottom setting carrier fluid entrance of generator simultaneously connects carrier fluid input pipe 7, in carrier fluid
High-field electrode cathode 6 is connected on input pipe；Generator is divided into the partition board 8 of upper and lower two parts cavity by setting in generator,
In three through-holes (totally nine through-hole) are vertically and horizontally respectively arranged on partition board, overflow pipe 4 is set on each through-hole；In generator 1
The intermediate position setting carrier gas input pipe 9 of left side wall, the lower part of right side wall (are highly equal to or slightly higher than the partition board 8 in generator
Position) setting waste liquid discharge pipe 5, setting circular ring shape high-field electrode anode 2 in the top collar extension of generator, high-field electrode anode
Upper setting in gradual shrinkage structure annular microplasma jet port 3, the sample solution of electrification overflowed by overflow pipe after with high pressure
Electrode anode generate dielectric barrier discharge formed microplasma, through carrier gas input pipe input carrier gas with excitation micro- grade from
Daughter is sprayed from jet port, for Instrumental Analysis.Sample solution after being excited is flowed on partition board and is discharged through waste liquid discharge pipe.
When implementing the utility model, annular microplasma jet port 3, waste liquid discharge pipe 5, carrier fluid input pipe 7, partition board
8 and 9 grade of carrier gas input pipe made of insulating materials, such as quartz, glass, ceramics or polymer.High-field electrode anode
2nd, high-field electrode cathode 6 uses a material and makes, such as copper, iron, aluminium, carbon.
The course of work of the micro-plasma generator of the utility model is as follows：
Start high-pressure pump by sample solution through in 7 input generator of carrier fluid input pipe, sample solution flows through carrier fluid input pipe
When contacted with high-field electrode cathode 6 after charge, after the sample solution of electrification enters generator lower cavity, under hydraulic pressure effect
Continue uplink, finally uniformly overflowed by overflow pipe 4, and generate dielectric barrier discharge with high-field electrode anode 2 and form micro- plasma
Body, at the same time, carrier gas are entered by carrier gas input pipe 9 in generator 1, and the carrier gas of input is with the microplasma of excitation from ring
Shape microplasma jet port 3 sprays, for Instrumental Analysis.Sample solution after being excited is flowed on partition board through waste liquid discharge pipe 5
Discharge.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (3)
1. a kind of dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid, it is characterised in that：Including
The cylindric generator of bottom seal, the bottom setting carrier fluid entrance of generator simultaneously connects carrier fluid input pipe, in carrier fluid input pipe
Upper connection high-field electrode cathode；Generator is divided into the partition board of upper and lower two parts cavity by setting in generator, is opened on partition board
If several through-holes, overflow pipe is set on each through-hole；Carrier gas input pipe and waste liquid discharge pipe on the side wall of generator are set, given up
The position of liquid discharge pipe is equal to or slightly higher than the position of the partition board in generator, and setting circular ring shape is high in the top collar extension of generator
Electrode anode is pressed, annular microplasma jet port is set on high-field electrode anode.
2. dielectric barrier discharge micro-plasma generator according to claim 1, it is characterised in that：The generator
Through-hole on internal partition is in arrangement shape distribution.
3. dielectric barrier discharge micro-plasma generator according to claim 1, it is characterised in that：The annular is micro-
Plasma jet mouth is designed as gradual shrinkage structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367760.1U CN207491286U (en) | 2017-10-23 | 2017-10-23 | Dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367760.1U CN207491286U (en) | 2017-10-23 | 2017-10-23 | Dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207491286U true CN207491286U (en) | 2018-06-12 |
Family
ID=62481069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721367760.1U Expired - Fee Related CN207491286U (en) | 2017-10-23 | 2017-10-23 | Dielectric barrier discharge micro-plasma generator based on electrode in three-dimensional liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207491286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831312A (en) * | 2019-11-07 | 2020-02-21 | 大连理工大学 | Efficient plasma gas-liquid discharge system |
-
2017
- 2017-10-23 CN CN201721367760.1U patent/CN207491286U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831312A (en) * | 2019-11-07 | 2020-02-21 | 大连理工大学 | Efficient plasma gas-liquid discharge system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20211023 |