CN106421838A - Automatically-changeable rapid high-density plasma sterilization equipment - Google Patents
Automatically-changeable rapid high-density plasma sterilization equipment Download PDFInfo
- Publication number
- CN106421838A CN106421838A CN201610971158.2A CN201610971158A CN106421838A CN 106421838 A CN106421838 A CN 106421838A CN 201610971158 A CN201610971158 A CN 201610971158A CN 106421838 A CN106421838 A CN 106421838A
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- density plasma
- thing
- sterilizing
- sterilization
- chamber
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/14—Plasma, i.e. ionised gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/12—Apparatus for isolating biocidal substances from the environment
- A61L2202/122—Chambers for sterilisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention provides automatically-changeable rapid high-density plasma sterilization equipment. The automatically-changeable rapid high-density plasma sterilization equipment comprises a sterilization cavity, a high-density plasma source and a rotary worktable, wherein the high-density plasma source is arranged at the air inlet end of the sterilization cavity; the rotary worktable is arranged at the exhaust end of the sterilization cavity and is used for placing to-be-sterilized articles; the high-density plasma source comprises a heating wire, a hot cathode emission source sheet and a shielding structure arranged on the periphery of the heating wire and the periphery of the hot cathode emission source sheet; the high-density plasma source excites arc discharge plasma for sterilizing and disinfecting the to-be-sterilized articles on the rotary worktable. By means of the high-density plasma provided by the invention, the killing rate and the killing efficiency can be increased and improved; in addition, due to high energy, the high-density plasma can kill germs which cannot be killed by microwave plasma; multi-chamber linking is realized, and automatic change of low-pressure sterilization can be realized, so that the efficiency is improved.
Description
Technical field
The present invention relates to Low-temperature Plasma Sterilization disinfection technology field, and in particular to a kind of automatic replacing quickly highly dense
Degree plasma body sterilizing equipment.
Background technology
Low pressure plasma sterilization is compared air and is pressed with the advantage of its own.First, low pressure glow discharge plasma life
Become to be easier, plasma power requirement is than relatively low.Secondly, sterilizing is carried out in closed container, when taking out after sterilizing
Can directly seal, without there is sterilization effect repeatedly, can't cause again because the apparatus after sterilizing is sealed not in time
Secondary pollution and affect sterilization effect.Again, the basic room temperature of low pressure sterilizing, will not be to non-refractories such as some rubber, plastics
Medical apparatus and instruments cause damage.
The Bactericidal Mechanism of low temperature plasma be reacting gas in the presence of electric field, a portion is dissociated into powered
Particle forms plasma, light free radical and the ultraviolet for giving off, and produces strong interaction to antibacterial or virus, and
Thus constitute comprehensive environment is killed to antibacterial or virus, particularly can be formed with life with nearly all through free radical
The molecule of life cell reacts.According to the viewpoint of molecular biology, antibacterial and virus are powered, the electric charge on human cell membrane
Contribute to absorption of the cell to nutrient substance, but when antibacterial or virus are bombarded by charged particle, electric charge thereon divides
Cloth is destroyed, and is just directly affected physiological activity and the metabolism of antibacterial or pathogenic bacteria cell, is ultimately resulted in death.In addition, quilt
Process article bacteria on surfaces or sick endobacillary biomacromolecule (enzyme or DNA) high energy particle, freedom in plasma
Under the effect of base and ultraviolet, bombardment and radiation, its CHARGE DISTRIBUTION is entirely destroyed, and such as cell wall, nucleus are electrically shocked and wear,
Cause antibacterial pathogenic bacteria dead rapidly.
But the plasma density difference that different charging methods are produced, causes bactericidal effect difference very big.Due to low pressure
Plasma disinfection can provide a vacuum environment for cleaning very much anaerobic simultaneously, than atmosphere plasma sterilizing methods
（As DBD method）Cleannes are higher.And plasma is full of in vacuum environment, where on article, every electronic energy is entered just
Can clean, the comprehensive cleaning of atmosphere plasma no dead angle is compared, sterilize more thorough.Low pressure plasma body sterilizing equipment
After cutting off the electricity supply, the various active particles of generation can be disappeared in several milliseconds, so without the need for ventilation, will not be to operator
Injury is constituted, safe and reliable.
Due to the relation of plasma density, now most of all using Low-temperature Plasma Sterilization sterilizing equipment decontaminating apparatuss on the market
Be using hydrogen peroxide, ozonization.Some equipment is using corona or intermediate frequency, radio frequency, microwave plasma as sterilization
Sterile medium, its bacterial inactivation rate can be improved a lot, and the viable count of antibacterial and virus declines 3.5 and 4.5 orders of magnitude respectively,
But but it is difficult to improve again.Meanwhile, the complete workflow of existing low pressure plasma body sterilizing equipment is on the market now：
Put article to be sterilized, evacuation, electric discharge sterilizing, vacuum breaker, article is taken out, when being put into every time or taking out article, will vacuum breaker
And evacuation, efficiency is very low, is unfavorable for continuous operation.
Content of the invention
The present invention is to solve that plasma density produced by current low pressure plasma disinfection is low, killing effect
Undesirable technical problem, provides a kind of fast high-density plasma body sterilizing equipment of automatic replacing, improves plasma
Plasma density inside Sterilization and Disinfection Equipment, sterilization effect improves 10 ~ 100 times, while vacuum can not destroyed
Under the conditions of continuously work, concrete technical scheme is as follows：
A kind of fast high-density plasma body sterilizing equipment of automatic replacing, including sterilize cavity and be placed in sterilizing cavity air inlet
The high-density plasma source at end is evacuated the rotary table for placing article subject to sterilization at end with sterilizing cavity is placed in, described
High-density plasma source includes heater strip, hot cathode emission source piece, and is arranged in outside heater strip and hot cathode emission source piece
The shielding construction for enclosing, the high-density plasma source inspires arc discharge plasma, to subject to sterilization on rotary table
Article carries out sterilizing.
The both sides of the sterilizing cavity have been respectively communicated with to take thing chamber and send thing chamber, take thing chamber and send thing chamber and sterilizing cavity it
Between be provided with separation valve door, take thing chamber and send thing intracavity to be provided with for article subject to sterilization is put into or takes out sterilize cavity shifting
Thing bar；The shifting thing bar carries out level slip by moving thing workbench；Described taking and send the top in thing chamber to be provided with chamber at thing chamber
Lid.
The two ends of the heater strip adopt water cooled electrode guiding structure.
The heater strip and hot cathode emission source piece are connected to heating power supply and excitation power source, the hot cathode transmitting
Source piece is built-in with the thermocouple of measurement temperature, in the thermocouple data feedback input heating power supply.
From above technical scheme, the high-density plasma of the present invention can improve killing rate and kill efficiency, and
And because energy height, can kill the pathogenic bacteria that microwave plasma cannot be killed；It is respectively used to put by three cavitys to be sterilized
Article, be put on sterilizing objects, put sterilizing objects, in work process, by automation equipment by article three cavitys it
Between rotation place, setting-out sampling does not delay time of sterilization, can continuously work, significantly under conditions of vacuum is not destroyed
Improve existing process, it is possible to achieve continuous automated production, no longer allow vacuum valve and vacuum suction become the bottle of efficiency
Neck.
Description of the drawings
Fig. 1 is structural representation during sterilizing state of the present invention；
Fig. 2 send structural representation during thing state for the present invention；
Fig. 3 takes structural representation during thing state for the present invention；
Fig. 4 is the side view for moving thing bar and rotary table in the present invention；
Fig. 5 is the top view for moving thing bar and rotary table in the present invention.
In figure：10th, sterilize cavity, 11, article subject to sterilization, 12, sterilizing objects, 20, high-density plasma source, 21,
Heater strip, 22, hot cathode emission source piece, 23, shielding construction, 24, heating power supply, 25, excitation power source, 30, rotary table,
40th, thing chamber taken, 50, send thing chamber, 61-62, separation valve door, 71-72, move thing bar, 81-82, move thing workbench, 91-92, chamber lid.
Specific embodiment
The sterilizing installation of the present invention can be used for following field：Food surface, prepacked food, tableware packaging bag, thermal sensitivity
Medical apparatus and instruments, metal medical appliance, medical electronics probe sensor, small-sized Reusability medical product, medical bio material
Material, old bank note, old coin, antique porcelain historical relic etc..Sterilizing only needs several minutes, safe and reliable, environment friendly and pollution-free.
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail, respectively implements the present invention is described in detail
Before the technical scheme of example, involved noun and term are explained, in this manual, the identical or label phase of title
Same part represents similar or identical structure, and the purpose for being only limitted to illustrate.
As shown in figure 1, the sterilizing installation of the present invention takes 40, one, thing chamber by the sterilizing cavity 10, of an evacuation
50, one, thing chamber high-density plasma source 20 and a rotary table 30 for carrying article subject to sterilization is sent to constitute,
Wherein high-density plasma source is placed in the inlet end of sterilizing cavity, and rotary table is placed in the pumping end of sterilizing cavity, the height
Density plasma source excitation goes out arc discharge plasma, carries out sterilizing to the article subject to sterilization on rotary table.
The density of the plasma for producing in the present invention is 1 × 1011 ~ 1 × 1012/cm3Magnitude, more existing than on market penetrates
Frequently, the density of microwave magnetron sputtering plasma is high 10 ~ 100 times, kills more thoroughly, and the time is shorter in hgher efficiency.For avoiding sky
The impact of unclean granule or particle to sterilization effect in gas, when ultra-high purity is required, by the true of sterilizing intracavity
Reciprocal of duty cycle is reduced to below 10-4Pa, then pours high-purity gas generation plasma, can make the plasma composition of sterilizing more
Plus it is single clean.
The high-density plasma source 20 includes heater strip 21, hot cathode emission source piece 22, and is arranged in heater strip
The peripheral shielding construction 23 with hot cathode emission source piece, shielding construction can prevent amount of heat to be radiated in vacuum chamber, in order to
The unnecessary heat radiation of shielding sterilizing inside cavity.
The heater strip 21 and hot cathode emission source piece 22 are connected to heating power supply 24 and excitation power source 25, the heat
Emission of cathode source piece is built-in with the thermocouple of measurement temperature, in the thermocouple data feedback input heating power supply, accordingly can essence
Really control heater strip power, makes temperature on hot cathode emission source piece keep temperature constant state.
The two ends of the heater strip 21 adopt water cooled electrode guiding structure, use deionized water or pure water to be situated between as cooling
Matter, in order to cool down heater strip erection joint, while this water cooled electrode imports the insulation for also keeping and between sterilizing cavity.
In the present embodiment, hot cathode emission source piece 22 adopts LaB6, can produce high-density plasma, carries out low temperature etc.
Gas ions sterilizing, sterilization.LaB6 is blocks of solid, when under vacuum conditions behind using filament heating to more than 1600 DEG C, greatly
Amount launching electronics, be now passed through argon, these electron bombardment argon molecules, produce electron avalanche effect, obtain more electronics, from
Son and neutral particle.Now plasma electrical source P2 starts working, and excites generation high-density plasma.Band in plasma
Charged particle bombardment antibacterial or pathogenic bacteria cell, directly contribute cell wall, nucleus and are punctured by particle, cause antibacterial pathogenic bacteria dead rapidly
Die.Due to its plasma density high-energy height, the good efficiency high of extinction effects, it is possible to which killing microwave plasma cannot kill
Pathogenic bacteria.
The both sides for taking thing chamber 40 and sending thing chamber 50 to be separately positioned on sterilizing cavity, and be provided between sterilizing cavity
Separation valve door 61,62, takes thing chamber and send the top in thing chamber to be provided with chamber lid 91,92, arranges chamber lid and conveniently places and take article,
Separation valve door carries out folding according to different working conditions, in order to keep the vacuum of sterilizing cavity.Take thing chamber and send thing intracavity
The shifting thing bar 72 being additionally provided with for article subject to sterilization to be put into, and for article subject to sterilization to be taken out the shifting thing of sterilizing cavity
Bar 71, the thing bar that moves carries out level slip by the shifting thing workbench 81,82 in outside between cavity.Open in sterilization chamber
Both sides separation valve door is closed when beginning work, while article subject to sterilization can be positioned on the shifting thing bar for giving in thing chamber, with
When can also take away in thing chamber move thing bar on sterilization article, realize the continuous of low pressure plasma disinfection
Automatically operate, sample presentation, sterilizing, sampling the flow work, vacuum is not affected, does not delay sterilization time, without waiting for.Treat in feeding
Sterilizing article and during taking sterilizing article away, can both stop plasma can also maintaining plasma all the time, dimension
Keep when holding plasma sending thing chamber and take the vacuum of thing chamber both sides.
Described shifting thing workbench 81,82 can drive shifting thing bar 71,72 to move along a straight line in left-right direction, and motion path is
The middle rotary table of sterilizing cavity is moved to by taking thing chamber and sending thing chamber.Move thing bar 71,72 front ends and rotary table 30
Between breach complementation, with reference to Figure 4 and 5, move thing bar and may be inserted in workbench breach, this time shift thing workbench can be carried out vertically
The falling motion in direction, article subject to sterilization 11 is positioned on workbench, is then moved along a straight line to return to and is sent in thing chamber.Take thing
When motion path just conversely, before this linear motion will move thing bar front end insertion workbench breach in, then be lifted up move
Thing bar, sterilization is completed article picking-up, after linearly return to and take thing chamber.
The present invention can realize multi-chamber linkage, the automatic replacing of achievable low pressure sterilizing, increase efficiency, specific works original
Reason is as follows：
State after the completion of sterilizing opens the separation valve door 61 for taking thing chamber side as shown in figure 3, close the chamber lid 91 for taking thing chamber 40.
Moving thing workbench 81 drives shifting thing bar 71 for linear motion, moves in thing bar front end insertion rotary table breach, then moves thing bar
Move upwards, hold up sterilizing objects 12, and return to and take in thing chamber.
The state of article subject to sterilization being sent into as shown in Fig. 2 moving after thing bar 71 returns and take thing chamber, closing and taking thing chamber separation valve door
61, the chamber lid 92 for sending thing chamber 50 is closed, opens the separation valve door 62 for sending thing chamber side.Move on thing bar 72 and placed article subject to sterilization
11, moving thing workbench 82 and drive shifting thing bar for linear motion, moves downward, will treat after thing bar nose motion being moved to above workbench
Sterilizing article falls on the table, and then shifting thing bar is returned to and sent in thing chamber.Separation valve door 62 is closed after returning.Return to Fig. 1's
State.Described chamber lid can seal and take thing chamber and send thing chamber, close, to keep vacuum, so go out before separation valve door is opened
Bacterium intracavity remains vacuum state.
The above embodiment is only that the preferred embodiment of the present invention is described, not the model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (6)
1. a kind of fast high-density plasma body sterilizing equipment of automatic replacing, cavity (10) and is placed in sterilization chamber including sterilizing
The high-density plasma source (20) of body inlet end and be placed in sterilizing cavity be evacuated end the rotation for placing article subject to sterilization
Workbench (30), it is characterised in that described high-density plasma source (20) include heater strip (21), hot cathode emission source piece
(22), and be arranged in heater strip and hot cathode emission source piece periphery shielding construction (23), the high-density plasma source swash
Arc discharge plasma is sent, sterilizing is carried out to the article subject to sterilization on rotary table.
2. fast high-density plasma body sterilizing equipment according to claim 1, it is characterised in that the sterilizing cavity
(10) both sides have been respectively communicated with and have taken thing chamber (40) and send thing chamber (50), take thing chamber and send thing chamber and sterilizing cavity between be provided with
Separation valve door, takes thing chamber and send thing intracavity to be provided with for article subject to sterilization to be put into or takes out the shifting thing bar of sterilizing cavity.
3. fast high-density plasma body sterilizing equipment according to claim 2, it is characterised in that the shifting thing bar passes through
Moving thing workbench carries out level slip.
4. fast high-density plasma body sterilizing equipment according to claim 2, it is characterised in that described take thing chamber (40)
Chamber lid is provided with the top for sending thing chamber (50).
5. fast high-density plasma body sterilizing equipment according to claim 1, it is characterised in that heater strip (21)
Two ends adopt water cooled electrode guiding structure.
6. high-density plasma reinforced chemical vapor deposition apparatus according to claim 1, it is characterised in that described plus
Heated filament (21) and hot cathode emission source piece (22) are connected to heating power supply (24) and excitation power source (25), and the hot cathode is sent out
The source piece of penetrating is built-in with the thermocouple of measurement temperature, in the thermocouple data feedback input heating power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971158.2A CN106421838A (en) | 2016-10-27 | 2016-10-27 | Automatically-changeable rapid high-density plasma sterilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971158.2A CN106421838A (en) | 2016-10-27 | 2016-10-27 | Automatically-changeable rapid high-density plasma sterilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106421838A true CN106421838A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610971158.2A Pending CN106421838A (en) | 2016-10-27 | 2016-10-27 | Automatically-changeable rapid high-density plasma sterilization equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600895A (en) * | 2018-11-15 | 2019-04-09 | 合肥聚能电物理高技术开发有限公司 | High density hot cathode plasma source |
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| US20030174810A1 (en) * | 2002-03-12 | 2003-09-18 | Steris Inc. | Method and apparatus for destroying microbial contamination of mail |
| CN1658909A (en) * | 2002-06-17 | 2005-08-24 | 互曼迈迪泰克公司 | Plasma sterilizer having dehumidifier |
| CN202482421U (en) * | 2012-02-11 | 2012-10-10 | 伍振良 | Glass magnetic control multi-arc ion plating machine |
| CN103298233A (en) * | 2013-05-10 | 2013-09-11 | 合肥聚能电物理高技术开发有限公司 | Novel high-density negative pole plasma source |
| CN205115597U (en) * | 2015-10-30 | 2016-03-30 | 东莞市中创塑胶制品有限公司 | Continuous type plasma vacuum coating device |
| CN206642112U (en) * | 2016-10-27 | 2017-11-17 | 合肥优亿科机电科技有限公司 | A kind of fast high-density plasma body sterilizing equipment changed automatically |
-
2016
- 2016-10-27 CN CN201610971158.2A patent/CN106421838A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030174810A1 (en) * | 2002-03-12 | 2003-09-18 | Steris Inc. | Method and apparatus for destroying microbial contamination of mail |
| CN1658909A (en) * | 2002-06-17 | 2005-08-24 | 互曼迈迪泰克公司 | Plasma sterilizer having dehumidifier |
| CN202482421U (en) * | 2012-02-11 | 2012-10-10 | 伍振良 | Glass magnetic control multi-arc ion plating machine |
| CN103298233A (en) * | 2013-05-10 | 2013-09-11 | 合肥聚能电物理高技术开发有限公司 | Novel high-density negative pole plasma source |
| CN205115597U (en) * | 2015-10-30 | 2016-03-30 | 东莞市中创塑胶制品有限公司 | Continuous type plasma vacuum coating device |
| CN206642112U (en) * | 2016-10-27 | 2017-11-17 | 合肥优亿科机电科技有限公司 | A kind of fast high-density plasma body sterilizing equipment changed automatically |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600895A (en) * | 2018-11-15 | 2019-04-09 | 合肥聚能电物理高技术开发有限公司 | High density hot cathode plasma source |
| CN109600895B (en) * | 2018-11-15 | 2020-11-10 | 合肥聚能电物理高技术开发有限公司 | High density hot cathode plasma source |
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Application publication date: 20170222 |