CN202663640U - Atmosphere plasma generating device for sterilizing and disinfecting - Google Patents
Atmosphere plasma generating device for sterilizing and disinfecting Download PDFInfo
- Publication number
- CN202663640U CN202663640U CN 201220163968 CN201220163968U CN202663640U CN 202663640 U CN202663640 U CN 202663640U CN 201220163968 CN201220163968 CN 201220163968 CN 201220163968 U CN201220163968 U CN 201220163968U CN 202663640 U CN202663640 U CN 202663640U
- Authority
- CN
- China
- Prior art keywords
- electrode
- cover body
- ground electrode
- dentation
- atmospheric pressure
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Plasma Technology (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses an atmosphere plasma generating device for sterilizing and disinfecting. The atmosphere plasma generating device for sterilizing and disinfecting comprises a tooth-shaped electrode, a ground electrode, a high-voltage power supply and a cover body; the tooth-shaped electrode comprises a metal flat plate; a plurality of rows of tip-shaped metal components are distributed on the lower end surface of the metal flat plate; clearances are formed among the metal components in each row; the ground electrode comprises a plurality of metal conducting wires which are arranged in parallel and connected with a conductor though the ground electrode, and the conductors are connected in parallel through the metal conducting wires; an insulating medium is arranged on the surface of each metal conducting wire; narrow seams are formed among the metal conducting wires; a fan is arranged at an inlet at the top of the cover body; the tooth-shaped electrode and the ground electrode are fixedly mounted in the cover body from top to bottom; the clearances among the metal components of the tooth-shaped electrode are corresponding to the narrow seams among the metal conducting wires of the ground electrode in an one-by-one way; and the tooth-shaped electrode and the ground electrode are respectively connected to the positive electrode and the negative electrode of the high-voltage power supply through one lead. The atmosphere plasma generating device for sterilizing and disinfecting disclosed by the utility model is high in discharging area, low in energy consumption, high in concentration of the produced particles with chemical activity, and capable of sterilizing and disinfecting well.
Description
Technical field
The utility model relates to atmospheric pressure plasma generation technique field, is specifically related to a kind of atmospheric pressure plasma generator for sterilization.
Background technology
For traditional sterilizing methods (such as heat sterilization, chemical agent sterilization, ultraviolet sterilization etc.), Low-temperature Plasma Sterilization has lot of advantages, particularly to the sterilization of sensitive material.In sterilize technology of plasma, the atmospheric pressure plasma sterilization need not vacuum equipment owing to using cheap air as the plasma working gas and being operated under the atmospheric pressure environment, therefore install relatively simple, easy and simple to handle, simultaneously atmospheric pressure plasma sterilization has the advantages such as germicidal efficiency is high, drug residue free concurrently, thereby, have widely application prospect.
The synergy of many factors (such as ultraviolet light, temperature, highfield, charged particle and chemically-active particle etc.) is the major reason that plasma has good sterilization usefulness.In atmospheric pressure plasma generator of the present utility model, the serviceability temperature meter has been tested the macroscopical gas temperature in the discharge atmosphere for a long time, and temperature remains on about 40 ℃, and this temperature is little to most bacteria effect; By the air inlet of blower fan, bacterium is introduced into region of discharge in the gas, and electric field and charged particle directly bombardment have certain effect to sterilization; The ultraviolet radiation amount that produces in the plasma exciatiaon process is less, sterilization effect is had certain influence, but impact effect is little; Adopt the using emission spectrum for diagnosing technology, found to have produced a large amount of active particles in the plasma (such as OH, NO and O
3Deng), these active particles can be taken region of discharge out of by air-flow, to not in the critical effect of playing of killing of the bacterium of region of discharge.A lot of atmospheric pressure plasma generators has been arranged at present, such as atmospheric pressure plasma jet, flat type dielectric barrier discharge etc., the area that these devices exist plasma generation is less, temperature is higher, and mostly adopts inert gas (He, Ar etc.) as the plasma working gas.
The utility model content
In order to overcome the deficiency of existing atmospheric pressure plasma generator, improve the quantity of machining area and unit are active particle, the utility model provides a kind of atmospheric pressure plasma generator, this device not only can use air as the plasma working gas, and greatly improved the uniformity of large area plasma, increase productive rate and the efficient of plasma active component, strengthened the effect of sterilization.
The technical scheme that its technical problem that solves the utility model adopts is:
The atmospheric pressure plasma generator that is used for sterilization, it is characterized in that: include the dentation electrode, ground electrode, high voltage source, cover body, described dentation electrode includes a metal plate, the lower surface of metal plate is furnished with the hardware with pointed shape of many row's rules, each is arranged the slit between the hardware, described ground electrode includes many and is arranged side by side and connects by ground electrode bonding conductor and make its plain conductor in parallel, the surface of every plain conductor is provided with dielectric, between each root plain conductor slit is arranged, the porch, top of described cover body is provided with a blower fan, the inside of cover body is installed with the dentation electrode from top to bottom successively, ground electrode, the dentation electrode, the two ends of ground electrode all are fixed on the sidewall of cover body, end with hardware of described dentation electrode down, there is the slit between the plain conductor of slit and ground electrode corresponding one by one between the hardware of dentation electrode, have through hole on the sidewall of described cover body, the dentation electrode, ground electrode just is being connected to high voltage source by a lead-in wire that passes through hole respectively, on the negative pole.
The shape of the hardware with pointed shape of described many row's rules can be dentation, taper.
Described dielectric can be quartz ampoule, earthenware.
Between described blower fan and the dentation electrode air strainer is installed also, the two ends of air strainer all are fixed on the sidewall of cover body.
Described cover body is tubulose insulation cover body.
Principle of the present utility model is:
Dentation electrode and ground electrode are connected respectively to the both positive and negative polarity of high-voltage ac power, produce atmospheric pressure plasma.Adopt dentation or similar point electrode and have between the dielectric ground electrode and discharge, help to reduce discharge voltage, improve the uniformity of large area plasma, and obtain the active particle of high concentration; In addition, accelerate the diffusion of active particle by the air-flow of blower fan generation, replenish simultaneously new plasma working gas and be conducive to produce more active particle, improve the efficient of sterilization, and by air-flow the active particle of generation is taken out of from the cover body outlet at bottom.
The beneficial effects of the utility model are:
The utility model plant energy consumption is low, machining area is large and evenly, can directly use air as the plasma working gas, form the plasma slab that a large tracts of land is rich in the high concentration active particle, device of the present utility model is used for the sterilization experiment, can kill a large amount of bacteriums in the very short time, the survival number of bacterium even be zero reaches the requirement of the relevant sanitary standard of country.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model atmospheric pressure plasma generator.
Fig. 2 is the structural representation of dentation electrode of the present utility model and ground electrode combined discharge assembly.
Fig. 3 is ground electrode structural representation of the present utility model.
Embodiment
Referring to Fig. 1, the atmospheric pressure plasma generator that is used for sterilization, include dentation electrode 4, ground electrode, high voltage source 2, cover body 8, dentation electrode 1 includes a metal plate, the lower surface of metal plate is furnished with the hardware with pointed shape of many row's rules, each is arranged the slit between the hardware, ground electrode includes many and is arranged side by side and connects by a ground electrode bonding conductor 7 and make its plain conductor in parallel 5, the surface of every plain conductor 5 is provided with dielectric 6, between each root plain conductor 5 slit is arranged, the porch, top of cover body 8 is provided with a blower fan 1, the inside of cover body 8 is installed with dentation electrode 4 from top to bottom successively, ground electrode, dentation electrode 4, the two ends of ground electrode all are fixed on the sidewall of cover body 8, end with most advanced and sophisticated hardware of dentation electrode 4 down, there is the slit between the plain conductor 5 of slit and ground electrode corresponding one by one between the most advanced and sophisticated hardware of dentation electrode 4, have through hole on the sidewall of cover body 8, dentation electrode 4, ground electrode just is being connected to high voltage source 2 by a lead-in wire that passes through hole respectively, on the negative pole.
The shape of the hardware with pointed shape of many row's rules can be dentation, taper.
Dielectric 6 can be quartz ampoule, earthenware.
Between blower fan 1 and the dentation electrode 4 air strainer 3 is installed also, the two ends of air strainer 3 all are fixed on the sidewall of cover body 8.
Cover body 8 is tubulose insulation cover body.
Also air strainer 3 can be set between blower fan 1 and the discharge assembly; The air-flow that blower fan 1 produces helps the diffusion of active particle in the plasma, and constantly replenishes new working gas to produce more active particle; Air strainer 3 can play to the working gas that enters region of discharge certain filtration, simultaneously to being uniformly dispersed of air-flow, helps to take full advantage of region of discharge, improves the efficient that active particle produces.Cover body 8 is used for fixedly discharge assembly on the one hand, forms simultaneously a space that relatively seals, and helps the directed flow of air-flow, for the directed transport of active particle in the plasma facilitates.
Utilize device of the present utility model to carry out the sterilization experiment of bacterium, the bacteria suspension that will contain hay bacillus is added drop-wise in the glassware, and make the bacteria suspension drying make sample, and then sample is put in the airtight space of this device and tests, find to be killed in a large number in the hay bacillus short time.
Claims (5)
1. atmospheric pressure plasma generator that is used for sterilization, it is characterized in that: include the dentation electrode, ground electrode, high voltage source, cover body, described dentation electrode includes a metal plate, the lower surface of metal plate is furnished with the hardware with pointed shape of many row's rules, each is arranged the slit between the hardware, described ground electrode includes many and is arranged side by side and connects by ground electrode bonding conductor and make its plain conductor in parallel, the surface of every plain conductor is provided with dielectric, between each root plain conductor slit is arranged, the porch, top of described cover body is provided with a blower fan, the inside of cover body is installed with the dentation electrode from top to bottom successively, ground electrode, the dentation electrode, the two ends of ground electrode all are fixed on the sidewall of cover body, end with hardware of described dentation electrode down, there is the slit between the plain conductor of slit and ground electrode corresponding one by one between the hardware of dentation electrode, have through hole on the sidewall of described cover body, the dentation electrode, ground electrode just is being connected to high voltage source by a lead-in wire that passes through hole respectively, on the negative pole.
2. the atmospheric pressure plasma generator for sterilization according to claim 1 is characterized in that: the shapes of the hardware with pointed shape of described many row's rules can be dentation, taper.
3. the atmospheric pressure plasma generator for sterilization according to claim 1, it is characterized in that: described dielectric can be quartz ampoule, earthenware.
4. the atmospheric pressure plasma generator for sterilization according to claim 1, it is characterized in that: between described blower fan and the dentation electrode air strainer is installed also, the two ends of air strainer all are fixed on the sidewall of cover body.
5. the atmospheric pressure plasma generator for sterilization according to claim 1, it is characterized in that: described cover body is the insulation cover body that the two ends of tubulose are not all sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163968 CN202663640U (en) | 2012-04-17 | 2012-04-17 | Atmosphere plasma generating device for sterilizing and disinfecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163968 CN202663640U (en) | 2012-04-17 | 2012-04-17 | Atmosphere plasma generating device for sterilizing and disinfecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663640U true CN202663640U (en) | 2013-01-09 |
Family
ID=47458508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220163968 Expired - Fee Related CN202663640U (en) | 2012-04-17 | 2012-04-17 | Atmosphere plasma generating device for sterilizing and disinfecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647843A (en) * | 2012-04-17 | 2012-08-22 | 中国科学院等离子体物理研究所 | Atmospheric plasma generating device for sterilization |
-
2012
- 2012-04-17 CN CN 201220163968 patent/CN202663640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647843A (en) * | 2012-04-17 | 2012-08-22 | 中国科学院等离子体物理研究所 | Atmospheric plasma generating device for sterilization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102647843A (en) | Atmospheric plasma generating device for sterilization | |
| CN204388482U (en) | high voltage electric field vacuum drying system | |
| US9867326B2 (en) | Cold plasma seed treatment device | |
| CN203589451U (en) | Negative ion emitter and air purifying device having same negative ion emitter | |
| CN103977439A (en) | Plasma enhanced paper money disinfection sterilizer and method | |
| CN202263222U (en) | Air purifier with high-strength electric field | |
| CN104225638A (en) | Plasma atomized sterilization device with temperature of lower than 80 DEG C | |
| CN204508893U (en) | A kind of plasma body cleaning device | |
| CN203731562U (en) | Air cleaning unit | |
| CN208097752U (en) | A kind of atmos low-temperature plasma air cleaning unit | |
| CN202663640U (en) | Atmosphere plasma generating device for sterilizing and disinfecting | |
| CN103588258B (en) | A kind of disinfection system of aquaculture | |
| CN212187262U (en) | Portable air purifying sterilizer | |
| CN207589254U (en) | A kind of low-temperature plasma jet generation device | |
| CN105817125A (en) | Device for producing plasmas through multi-channel dielectric barrier discharging | |
| CN202924813U (en) | Water treatment ozone oxidation tower | |
| CN212211480U (en) | Large-scale plasma generator | |
| CN201643011U (en) | Comb-shaped electrode atmosphere plasma device used for sterilization | |
| CN104534821A (en) | High-voltage electric field vacuum drying system | |
| CN205249592U (en) | Novel VOC handles device | |
| CN214261382U (en) | High-voltage electric-assisted photocatalytic purification device with sterilization and odor purification functions | |
| CN209188458U (en) | Air purification device and electric appliance with same | |
| CN103274501A (en) | Method and device for atmosphere pressure plasma jet flow liquid phase algae removal | |
| CN111629507A (en) | Large-scale plasma generator | |
| CN208462123U (en) | Air cleaning plasma generator |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20180417 |