CN207012353U - A kind of fast high-density plasma body sterilizing equipment - Google Patents
A kind of fast high-density plasma body sterilizing equipment Download PDFInfo
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- CN207012353U CN207012353U CN201621194901.XU CN201621194901U CN207012353U CN 207012353 U CN207012353 U CN 207012353U CN 201621194901 U CN201621194901 U CN 201621194901U CN 207012353 U CN207012353 U CN 207012353U
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Abstract
The utility model provides a kind of fast high-density plasma body sterilizing equipment, including sterilizing cavity and it is placed in the high-density plasma source of sterilizing cavity inlet end and is placed in the rotary table for being used to place article subject to sterilization at sterilizing cavity pumping end, the both sides of the sterilizing cavity, which have been respectively communicated with, to be taken thing chamber and send thing chamber, take thing chamber and send and be provided with separation valve door between thing chamber and sterilizing cavity, take thing chamber and send thing intracavitary to be provided with the shifting thing bar for article subject to sterilization being put into or being taken out sterilizing cavity, it is described to take thing chamber and send the top of thing chamber to be provided with chamber lid.High-density plasma of the present utility model can improve killing rate and kill efficiency, and because energy is high, can kill the germ that microwave plasma can not be killed；Realize that multi-chamber links, the automatic replacing of low pressure sterilizing can be achieved, increase efficiency.
Description
Technical field
The utility model is related to Low-temperature Plasma Sterilization disinfection technology field, and in particular to a kind of fast high-density etc. from
Daughter sterilizing installation.
Background technology
The advantages of low pressure plasma sterilization is pressed with its own compared to air.First, low pressure glow discharge plasma
Body generation is easier, and plasma power requirement is than relatively low.Secondly, sterilize and carried out in closed container, taken after sterilizing
It can directly seal when going out, can't be led because the apparatus after sterilizing seals not in time without sterilization effect repeatedly
Cause is polluted and influences sterilization effect again.Again, the basic normal temperature of low pressure sterilizing, will not be to some rubber, plastics etc. intolerant to height
The medicine equipment of temperature causes 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 given off, and strong interaction is produced to bacterium or virus, and
Thus constitute it is comprehensive to bacterium or virus kill environment, particularly through free radical can with it is nearly all can be formed with life
The molecule of life cell reacts.According to the viewpoint of molecular biology, bacterium and virus are powered, the electric charges on human cell membrane
Contribute to absorption of the cell to nutriment, but when bacterium or virus are bombarded by charged particle, electric charge point thereon
Cloth is destroyed, and is just directly affected physiological activity and the metabolism of bacterium or germ cell, is ultimately resulted in death.In addition, by
Handle high energy particle in plasma of article bacteria on surfaces or the endobacillary large biological molecule (enzyme or DNA) of disease, freedom
Under effect, bombardment and the radiation of base and ultraviolet, its distribution of charges is entirely destroyed, and is worn as cell membrane, nucleus are electrically shocked,
Cause bacterium germ dead rapidly.
But plasma density caused by different charging methods is different, 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
（Such as DBD methods）Cleannes are higher.And plasma is full of in vacuum environment, the accessible place of every electronics is just on article
It can clean, it is more thorough without dead angle, sterilizing compared to the comprehensive cleaning of atmosphere plasma.Low pressure plasma body sterilizing equipment
After cutting off the electricity supply, caused various active particles can disappear in several milliseconds, so without ventilation, will not be to operating personnel
Injury is formed, securely and reliably.
It is now most of all using Low-temperature Plasma Sterilization sterilizing equipment decontaminating apparatus on the market due to the relation of plasma density
It is 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 improve a lot, and the viable count of bacterium and virus declines 3.5 and 4.5 orders of magnitude respectively,
But it is difficult to improve again.Meanwhile the existing complete workflow of low pressure plasma body sterilizing equipment is on the market now：
Article to be sterilized is put, vacuumizes, sterilizing of discharging, vacuum breaker, take out article, will vacuum breaker when being put into every time or taking out article
With vacuumize, efficiency is very low, is unfavorable for operating continuously.
Utility model content
Plasma density caused by current low pressure plasma disinfection is low, kills to solve for the utility model
The undesirable technical problem of effect, there is provided a kind of fast high-density plasma body sterilizing equipment changed automatically, improve etc. from
Plasma density inside daughter sterilization device, sterilization effect improves 10 ~ 100 times, while can not destroy very
Continuously worked under conditions of sky, concrete technical scheme is as follows：
A kind of fast high-density plasma body sterilizing equipment, including sterilizing cavity and the height for being placed in sterilizing cavity inlet end
Density plasma source and the rotary table for being used to place article subject to sterilization for being placed in sterilizing cavity pumping end, the sterilization chamber
The both sides of body, which have been respectively communicated with to take, thing chamber and send thing chamber, takes thing chamber and send and is provided with separation valve door between thing chamber and sterilizing cavity,
Take thing chamber and send thing intracavitary to be provided with the shifting thing bar for article subject to sterilization being put into or being taken out sterilizing cavity；The shifting thing bar leads to
Cross shifting thing workbench and carry out horizontal slip；It is described to take thing chamber and send the top of thing chamber to be provided with chamber lid.
The high-density plasma source includes heater strip, hot cathode emission source piece, and is arranged in heater strip and Re Yin
The shielding construction of pole emission source piece periphery, the high-density plasma source inspires arc discharge plasma, to rotary work
Article subject to sterilization on platform carries out sterilizing.
The both ends of the heater strip use water cooled electrode guiding structure.
Heater strip and hot cathode the emission source piece is 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 thermocouple data feedback input heating power supply.
From above technical scheme, high-density plasma of the present utility model can improve killing rate and kill and imitate
Rate, and because energy is high, the germ that microwave plasma can not be killed can be killed；It is respectively used to put by three cavitys and treats
Sterilizing objects, it is put on sterilizing objects, puts sterilizing objects, in the course of work, by automation equipment by article in three chambers
Rotation is placed between body, and setting-out samples the time for not delaying sterilization, can continuously be worked under conditions of vacuum is not destroyed,
Considerably improve existing process, it is possible to achieve continuous automated production, no longer allow vacuum valve and vacuum suction to turn into efficiency
Bottleneck.
Brief description of the drawings
Structural representation when Fig. 1 is the utility model sterilizing state；
Fig. 2 is structural representation when the utility model send thing state；
Fig. 3 is structural representation when the utility model takes thing state；
Fig. 4 is the side view that thing bar and rotary table are moved in the utility model；
Fig. 5 is the top view that thing bar and rotary table are moved in the utility model.
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 is taken, 50, send thing chamber, 61-62, separation valve door, 71-72, thing bar is moved, 81-82, move thing workbench, 91-92, chamber lid.
Embodiment
Sterilizing installation of the present utility model can be used for following field：Food surface, prepacked food, tableware packaging bag, heat
Quick property medicine equipment, metal medical appliance, medical electronics probe sensor, small-sized Reusability medical product, medical life
Thing material, old bank note, old coin, antique porcelain historical relic etc..Sterilizing only needs several minutes, securely and reliably, environment friendly and pollution-free.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, it is new describing this practicality in detail
Before the technical scheme of each embodiment of type, involved noun and term are explained, in this manual, title is identical
Or label identical part represents similar or identical structure, and it is only limitted to the purpose of signal.
As shown in figure 1, sterilizing installation of the present utility model by the sterilizing vacuumized a cavity 10, one take thing chamber 40,
One is sent 50, high-density plasma sources 20 of thing chamber and a structure of rotary table 30 for being used to carry article subject to sterilization
Into 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, should
High-density plasma source inspires arc discharge plasma, and carrying out sterilization to the article subject to sterilization on rotary table disappears
Poison.
The density of caused plasma is 1 × 1011 ~ 1 × 1012/cm in the utility model3Magnitude, show than in the market
Have that radio frequency, the density of microwave magnetron sputtering plasma are high 10 ~ 100 times, kill more thorough, the time is shorter more efficient.To keep away
Exempt from the influence of unclean particle or particle to sterilization effect in air, when ultra-high purity requires, by sterilization chamber
Vacuum be reduced to below 10-4Pa, then pour high-purity gas and produce plasma, can make the plasma of sterilizing into
Divide more single clean.
The high-density plasma source 20 includes heater strip 21, hot cathode emission source piece 22, and is arranged in heater strip
With the shielding construction 23 of hot cathode emission source piece periphery, shielding construction can prevent amount of heat to be radiated in vacuum chamber, to
The unnecessary heat radiation of shielding sterilizing inside cavity.
Heater strip 21 and hot cathode the emission source piece 22 is 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, accordingly can essence in thermocouple data feedback input heating power supply
Really control heater strip power, temperature on hot cathode emission source piece is set to keep temperature constant state.
The both ends of the heater strip 21 use water cooled electrode guiding structure, are situated between using deionized water or pure water as cooling
Matter, to cool down heater strip erection joint, while the insulation that this water cooled electrode is imported between the cavity that also keeps and sterilize.
Hot cathode emission source piece 22 uses LaB6 in the present embodiment, can produce high-density plasma, carries out low temperature etc.
Gas ions sterilizing, sterilization.LaB6 is blocks of solid, when using filament heating to more than 1600 DEG C behind under vacuum conditions, greatly
Measure launching electronics, be now passed through argon gas, 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 bombards bacterium or germ cell, directly contributes cell membrane, nucleus is punctured by particle, causes bacterium germ dead rapidly
Die.Because its plasma density high-energy is high, the good efficiency high of extinction effects, and microwave plasma can be killed can not kill
Germ.
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, take thing chamber and send the top of thing chamber to be provided with chamber lid 91,92, set chamber lid conveniently to place and take article,
Separation valve door carries out folding according to different working conditions, to keep the vacuum of sterilizing cavity.Take thing chamber and send thing intracavitary
The shifting thing bar 72 for article subject to sterilization to be put into is additionally provided with, and for article subject to sterilization to be taken out to the shifting thing of sterilizing cavity
Bar 71, the shifting thing bar carry out horizontal slip by the shifting thing workbench 81,82 in outside between cavity.Opened in sterilization chamber
Both sides separation valve door is closed when beginning work, while article subject to sterilization can be positioned over and sent on shifting thing bar in thing chamber, together
When can also take away in thing chamber move thing bar on sterilization article, realize the continuous of low pressure plasma disinfection
Automatic running, sample presentation, sterilizing, sampling the flow work, does not influence vacuum, does not delay sterilization time, without waiting for.Treated in feeding
Sterilizing article and during taking sterilizing article away, can stop plasma or maintain plasma all the time, tie up
Keep sending thing chamber when holding plasma 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
By the rotary table for taking thing chamber and sending thing chamber to move among sterilizing cavity.Move thing bar 71,72 front ends and rotary table 30
Between breach it is complementary, with reference to Figure 4 and 5, move thing bar and may be inserted into workbench breach, this time shift thing workbench can be carried out vertically
The falling motion in direction, article 11 subject to sterilization is positioned on workbench, then moves along a straight line to return to and send in thing chamber.Take thing
When motion path just on the contrary, linear motion will be moved in thing bar front end insertion workbench breach before this, then be lifted up moving
Thing bar, article is completed into sterilization and held up, after linearly return to and take thing chamber.
The utility model can realize that multi-chamber links, and the automatic replacing of low pressure sterilizing can be achieved, and increase efficiency, specific work
It is as follows to make principle：
For state after the completion of sterilizing as shown in figure 3, closing the chamber lid 91 for taking thing chamber 40, opening takes the separation valve door of thing chamber side
61.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 moves upwards, holds up sterilizing objects 12, and return to and take in thing chamber.
The state of article subject to sterilization is sent into as shown in Fig. 2 shifting thing bar 71 is retracted after taking thing chamber, closing takes 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, move thing workbench 82 and drive shifting thing bar for linear motion, move downward, will treat after shifting thing bar nose motion to workbench top
Sterilizing article falls on the table, and then shifting thing bar, which returns to, send in thing chamber.Separation valve door 62 is closed after retracting.Return to Fig. 1's
State.Described chamber lid, which can seal, to be taken thing chamber and send thing chamber, is closed before separation valve door is opened, to keep vacuum, is so gone out
Bacterium intracavitary remains vacuum state.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (2)
1. a kind of fast high-density plasma body sterilizing equipment, it is characterised in that including sterilizing cavity (10) and be placed in sterilizing
The high-density plasma source (20) of cavity inlet end and the rotation for being used to place article subject to sterilization for being placed in sterilizing cavity pumping end
Revolving worktable (30), the both sides of the sterilizing cavity (10) have been respectively communicated with and take thing chamber (40) and send thing chamber (50), take thing chamber with
Send and be provided with separation valve door between thing chamber and sterilizing cavity, take thing chamber and send thing intracavitary to be provided with for article subject to sterilization to be put into
Or the shifting thing bar of sterilizing cavity is taken out, the top for taking thing chamber (40) and sending thing chamber (50) is provided with chamber lid.
2. fast high-density plasma body sterilizing equipment according to claim 1, it is characterised in that the shifting thing bar passes through
Move thing workbench and carry out horizontal slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194901.XU CN207012353U (en) | 2016-10-27 | 2016-10-27 | A kind of fast high-density plasma body sterilizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194901.XU CN207012353U (en) | 2016-10-27 | 2016-10-27 | A kind of fast high-density plasma body sterilizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207012353U true CN207012353U (en) | 2018-02-16 |
Family
ID=61459743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621194901.XU Expired - Fee Related CN207012353U (en) | 2016-10-27 | 2016-10-27 | A kind of fast high-density plasma body sterilizing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207012353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377778A (en) * | 2016-10-27 | 2017-02-08 | 合肥优亿科机电科技有限公司 | Quick high-density plasma sterilization device |
-
2016
- 2016-10-27 CN CN201621194901.XU patent/CN207012353U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377778A (en) * | 2016-10-27 | 2017-02-08 | 合肥优亿科机电科技有限公司 | Quick high-density plasma sterilization device |
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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 |
Granted publication date: 20180216 Termination date: 20211027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |