CN205961555U - Atmospheric pressure plasma mutagenic breeding device - Google Patents
Atmospheric pressure plasma mutagenic breeding device Download PDFInfo
- Publication number
- CN205961555U CN205961555U CN201620842837.5U CN201620842837U CN205961555U CN 205961555 U CN205961555 U CN 205961555U CN 201620842837 U CN201620842837 U CN 201620842837U CN 205961555 U CN205961555 U CN 205961555U
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- Prior art keywords
- microwave
- plasma
- atmospheric pressure
- breeding device
- waveguide
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Abstract
The utility model relates to a production acts on the plasma device of bacterium, especially relates to an atmospheric pressure plasma mutagenic breeding device. Including microwave power source, microwave transmission system, plasma generator and microwave allotment system, above -mentioned device passes through flange and links to each other, and microwave power source includes microwave programmable power supply, and microwave transmission system comprises a plurality of waveguides, is a complete inclosed space, plasma generator includes rectangular cavity and nozzle structure, and a tapered waveguide and the 2nd tapered waveguide are connected to both sides, and the nozzle structure sets up the department in the geometric centre of rectangular cavity, microwave allotment system includes three pin tuner and short -circuit plungers, be provided with the magnetron in the waveguide. The utility model discloses a breeding device is succinct, under the atmospheric pressure environment, obtains stably, controllable plasma jet, carries out the bacterium mutagenize, and device design reaches microwave safety design standard, working power supply power is low, and the bacterium is handled conveniently, need not vacuum environment, cost reduction.
Description
Technical field
This utility model is related to the plasma device that a kind of generation acts on antibacterial, more specifically in air pressure ring
Microwave generated plasma is utilized, the plasma jet being excited with this device carries out bacterial mutagenesis under border.
Background technology
Plasma be a kind of be the physical form of main component by free electron and charged ion, be widely present in universe
In, rich in free electron, the neutral gas species with point ion, there is larger activity.By simulation space environment, to antibacterial
Carry out plasma resonance, plasma has obvious action effect to bacteria cell wall, cell membrane and protein etc., can
Make microorganism wall and antibacterial membrane structure and permeability changes, part cell wall rupture, discharge protein and lead to antibacterial dead
Die, but the repair system survival by itself through plasma irradiating of part antibacterial, and make microorganism base in this course
Because sequence and metabolic activity change, ultimately result in gene mutation.
The production method of plasma has direct-current discharge, radio-frequency discharge, microwave discharge etc..The common electric discharge shape of direct-current discharge
Formula has corona, aura, electric arc and jet electric discharge, and these are that have pole to discharge, and density is low, ionization degree is low, it is high to run air pressure；Radio frequency is put
Limited by electric range of application；Microwave discharge technology, compared with other plasma-generating technologies, has many advantages：Efficiency high, no
Electrode fouling.Its gas by flowing while microwave electric field gas breakdown is discharged forms jet it is achieved that region of discharge
Separate with working region, the active particle in plasma can be utilized to greatest extent, this point is educated for bacterial mutagenesis
Plant particularly important.
At present, excite plasma industrially to obtain certain application under low air pressure condition, and utilize at ambient pressure
Microwave obtains the also not marketization of the technology of plasma, but the particle density that normal pressure microwave plasma technique obtains bigger,
Need not configure and safeguard that vacuum equipment, product output seriality are good, be plasma technique Hot spots for development.Existing microwave etc. from
Daughter device jet stability is poor, microwave radiation and capacity usage ratio low, complex structure, brings to the application of plasma
Inconvenience.
Utility model content
For defect present in prior art or deficiency, what this utility model devised a whole set of is applied to bacterial mutagenesis
Plasma producing apparatus, nozzle adopt open, be easy to bacterial treatment.Each component units independent design processing, keeps connecing
Mouthful concordance, this device is succinct, under atmospheric pressure environment, is stablized, controlled plasma jet, carries out bacterial mutagenesis
Process.
To achieve these goals, the technical scheme that this utility model is taken is for providing a kind of atmospheric pressure plasma mutation
Breeding device, including microwave power source, microwave transmission system, plasma generator and microwave mixing system, said apparatus lead to
Cross adpting flange to be connected, described microwave power source includes microwave programmable power supply, and described microwave transmission system is made up of multiple waveguides,
It is a completely airtight space；Described plasma generator includes rectangular cavity and nozzle arrangements, and both sides connect first
Tapered waveguide and the second tapered waveguide, described nozzle arrangements are arranged at the geometric center of described rectangular cavity；Described microwave
Mixing system includes three pin tuners and short-circuit plunger；It is provided with magnetron in described waveguide.The package unit order of connection is
Magnetron three pin tuner the first tapered waveguide resonator cavity（Nozzle）Second tapered waveguide short-circuit plunger.Deng from
Daughter generator key component is rectangular cavity and nozzle arrangement, and both sides connect tapered waveguide, and microwave electric field is effectively poly-
Collection is near nozzle.Three pin tuners can reduce the reflection of microwave, and short-circuit plunger can adjust standing wave center.
As further improvement of the utility model, described nozzle arrangements include top base, bottom base, gas inlet orifice,
Plasma jet outlet opening and probe, described gas inlet orifice is arranged on described top base, described gas ions jet exit
Hole is arranged on described bottom base, and described probe is arranged between described gas inlet orifice and described gas ions jet exit hole,
Described top base becomes forge piece of step type structure with described bottom base.
As further improvement of the utility model, the contact surface of described adpting flange is machined with groove structure, to subtract
Few contact area, prevents microwave leakage.
As further improvement of the utility model, the rectangular cross-section of described waveguide, microwave transmission system is by multiple squares
Shape waveguide forms, and is the space of a complete closure.
As further improvement of the utility model, described microwave programmable power supply includes Programmable Logic Controller and relay communication
Module, microwave program controled power source controls microwave power, meets magnetron job requirement.
The beneficial effects of the utility model are：Breeding device of the present utility model is succinct, under atmospheric pressure environment, obtains steady
Fixed, controlled plasma jet, carries out bacterial mutagenesis process, and device design reaches microwave safe design standard；Working power
Power is low, and 250W can be with normal work；For the ease of replacing, FDP26 standard flange between each section of waveguide, is used to link；By adjusting
Short-circuit plunger position and watt level, obtain the stable plasma stream of different conditions；Bacterial treatment is convenient, without vacuum ring
Border, cost reduces.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation at nozzle of the present utility model；
Wherein numeral represents：1st, waveguide；2nd, three pin tuner；3rd, the first tapered waveguide；4th, rectangular cavity；5th, second
Tapered waveguide；6th, short-circuit plunger；7th, magnetron；8th, adpting flange；9th, nozzle arrangements；10th, top base；11st, bottom base；12nd, gas
Body ingate；13rd, plasma jet outlet opening；14th, probe.
Specific embodiment
Explanation and specific embodiment further illustrate to this utility model below in conjunction with the accompanying drawings.
As shown in figure 1, this utility model provides a kind of atmospheric pressure plasma mutagenic breeding device, including microwave power
Source, microwave transmission system, plasma generator and microwave mixing system, said apparatus pass through adpting flange 8 and are connected, described micro-
Wave power source includes microwave programmable power supply, and described microwave transmission system is made up of multiple waveguides 1, is a completely airtight sky
Between；Described plasma generator includes rectangular cavity 4 and nozzle arrangements 9, and both sides connect the first tapered waveguide 3 and second gradually
Become waveguide 5, described nozzle arrangements 9 are arranged at the geometric center of described rectangular cavity 4；Described microwave mixing system includes three
Pin tuner 2 and short-circuit plunger 6；It is provided with magnetron 7 in described waveguide 1.
As shown in Fig. 2 described nozzle arrangements include top base 10, bottom base 11, gas inlet orifice 12, plasma jet
Outlet opening 13 and probe 14, described gas inlet orifice 12 is arranged on described top base 10, described gas ions jet exit hole 13
It is arranged at 11 on described bottom base, described probe 14 is arranged at described gas inlet orifice 12 and described gas ions jet exit hole 13
Between, described top base 10 becomes forge piece of step type structure with described bottom base 11.
The contact surface of described adpting flange 8 is machined with groove structure.Described microwave programmable power supply includes Programmable Logic Controller
With relay communication module.
Plasma discharge processes require efficiently utilize external energy, this require extrinsic motivated electric field frequency with wait from
In daughter, the elastic collision frequency of electronics is suitable, and electron collision frequency is generally 109-1011Hz, is in microwave frequency range
Interior.This device produces the core component magnetron 7 of microwave, and microwave transmits after producing in rectangular waveguide 1, allocates through three pins
Device 2, the first tapered waveguide 3, resonator cavity 4, the second tapered waveguide 5, short-circuit plunger 6.
The waveguide sections of microwave transmission are rectangle, and design waveguide dimensions meet the requirement of single mode operation.In order to more increase
The utilization microwave energy of effect, reduces energy expenditure during gas breakdown electric discharge, especially in microwave transmission system plus use the first gradual change
Waveguiding structure 3, the second tapered waveguide 5.Three pin tuners 2 are exactly insertion screw in rectangular waveguide, and using screw in ripple
Lead the equivalent impedance property showing during middle diverse location, make load impedance and line characteristic impedance equal, thus realizing hindering
Anti- coupling.Resonator cavity 4 is the key position that microwave energy utilizes, and gas here excites generation plasma in order to process antibacterial.
By computer sim- ulation in resonator cavity 4 construction geometry center opening, design nozzle arrangements 9, can be controlled by adjusting short-circuit plunger 6
The regularity of distribution within resonator cavity 4 for the standing wave processed.Short-circuit for short-circuit plunger 6 face is adjusted in position so that microwave electric field has
Effect concentrates on around nozzle, and the position in short-circuit face can be obtained by subsidiary slide gauge thereon.Gas is by top base 10
Gas access 12 enter, in order to assemble microwave electric field further, devise probe 14 at nozzle, gas is in probe 14 end
Excite generation plasma, spray from the plasma exit 13 of bottom base 11 under the drive of air-flow, form plasma and penetrate
Stream.Nozzle arrangements 9 simple structure, microwave is little, coordinates more smooth, good airproof performance, microwave with resonator cavity 4 internal face
No leakage.In the apparatus, can be controlled by adjusting magnetron 7 power, gas flow rate and the short road surface position of short-circuit plunger 6
The state of gas ions jet, reaches plasma jet condition required for bacterial mutagenesis breeding.
Above content be with reference to specific preferred implementation further detailed description of the utility model it is impossible to
Identification is of the present utility model to be embodied as being confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should regard
For belonging to protection domain of the present utility model.
Claims (5)
1. a kind of atmospheric pressure plasma mutagenic breeding device it is characterised in that：Including microwave power source, microwave transmission system,
Plasma generator and microwave mixing system, said apparatus pass through adpting flange and are connected, and described microwave power source includes microwave
Programmable power supply, described microwave transmission system is made up of multiple waveguides, is a completely airtight space；Described plasma occurs
Device includes rectangular cavity and nozzle arrangements, and both sides connect the first tapered waveguide and the second tapered waveguide, and described nozzle arrangements set
It is placed at the geometric center of described rectangular cavity；Described microwave mixing system includes three pin tuners and short-circuit plunger；Institute
State and magnetron is provided with waveguide.
2. atmospheric pressure plasma mutagenic breeding device according to claim 1 it is characterised in that：Described nozzle arrangements bag
Include top base, bottom base, gas inlet orifice, plasma jet outlet opening and probe, described gas inlet orifice is arranged at described
On top base, described gas ions jet exit hole is arranged on described bottom base, and described probe is arranged at described gas inlet orifice
And described gas ions jet exit hole between, described top base becomes forge piece of step type structure with described bottom base.
3. atmospheric pressure plasma mutagenic breeding device according to claim 1 it is characterised in that：Described adpting flange
Contact surface is machined with groove structure.
4. atmospheric pressure plasma mutagenic breeding device according to claim 1 it is characterised in that：The section of described waveguide
For rectangle.
5. atmospheric pressure plasma mutagenic breeding device according to claim 1 it is characterised in that：Described microwave program-controlled electric
Source includes Programmable Logic Controller and relay communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842837.5U CN205961555U (en) | 2016-08-05 | 2016-08-05 | Atmospheric pressure plasma mutagenic breeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842837.5U CN205961555U (en) | 2016-08-05 | 2016-08-05 | Atmospheric pressure plasma mutagenic breeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961555U true CN205961555U (en) | 2017-02-15 |
Family
ID=57973467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842837.5U Expired - Fee Related CN205961555U (en) | 2016-08-05 | 2016-08-05 | Atmospheric pressure plasma mutagenic breeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948895A (en) * | 2017-11-20 | 2018-04-20 | 成都溢杰科技有限公司 | Microwave plasma loudspeaker |
| CN110178449A (en) * | 2016-12-23 | 2019-08-27 | 等离子体处理有限公司 | Nozzle assembly and device for manufacturing atmosphere plasma jet stream |
| CN112973597A (en) * | 2019-12-17 | 2021-06-18 | 江苏麦克威微波技术有限公司 | Microwave device and system for treating liquid |
-
2016
- 2016-08-05 CN CN201620842837.5U patent/CN205961555U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110178449A (en) * | 2016-12-23 | 2019-08-27 | 等离子体处理有限公司 | Nozzle assembly and device for manufacturing atmosphere plasma jet stream |
| US11357093B2 (en) | 2016-12-23 | 2022-06-07 | Plasmatreat Gmbh | Nozzle assembly, device for generating an atmospheric plasma jet, use thereof, method for plasma treatment of a material, in particular of a fabric or film, plasma treated nonwoven fabric and use thereof |
| CN107948895A (en) * | 2017-11-20 | 2018-04-20 | 成都溢杰科技有限公司 | Microwave plasma loudspeaker |
| CN112866887A (en) * | 2017-11-20 | 2021-05-28 | 成都溢杰科技有限公司 | Microwave plasma loudspeaking method |
| CN112973597A (en) * | 2019-12-17 | 2021-06-18 | 江苏麦克威微波技术有限公司 | Microwave device and system for treating liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20170805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |