CN103037906A - Plasma sterilizing facility and sterilizing method thereof - Google Patents
Plasma sterilizing facility and sterilizing method thereof Download PDFInfo
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- CN103037906A CN103037906A CN2011800046067A CN201180004606A CN103037906A CN 103037906 A CN103037906 A CN 103037906A CN 2011800046067 A CN2011800046067 A CN 2011800046067A CN 201180004606 A CN201180004606 A CN 201180004606A CN 103037906 A CN103037906 A CN 103037906A
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32853—Hygiene
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Abstract
A plasma sterilizing facility and a sterilizing method using said plasma sterilizing facility are provided. Said plasma sterilizing facility includes at least two sterilizing tanks (1a, 1b), each of which is equipped with plasma generating electrodes (10a, 10b). The number of the vacuum device (2), sterilant injecting device (3), and plasma generating device (4, 4a, 4b) installed on the outside of the sterilizing tanks is one or less than or equal to the number of the sterilizing tanks respectively. Each of said sterilizing tanks (1a, 1b) can use the same vacuum device (2) independently or together, and can use the same sterilant injecting device (3) independently or together. The plasma generating electrodes (10a, 10b) of each sterilizing tank can use the same plasma generating device (4) independently or together. Hereinto, at least one of said vacuum device (2), sterilant injecting device (3), and plasma generating device (4, 4a, 4b) is used by at least two said sterilizing tanks (1a, 1b) together.
Description
The present invention relates to a kind of sterilizing installation, more particularly to a kind of plasma body sterilizing equipment and its sterilizing methods.
Plasma sterilization technology is the high-tech sterilization technology of a new generation, the multiple-microorganism on medicine equipment is lost activity by ad hoc fashion in disinfecting process, so as to reach sterilizing purpose；Using this technology, sterilization sterilization treatment can be reached without causing to damage to processed article at low temperature.Sterilizing installation common at present is provided with a sterilizing cabin and its corollary apparatus.Main corollary apparatus includes：The vacuum plant that vacuumizes, bactericidal agent injection device, by bactericidal agent " excitation " into plasmoid plasma producing apparatus.In sterilization process, each corollary apparatus successively independent action in one sterilize cabin, when a device job, other devices are in off working state, cause the cabin corollary apparatus that sterilizes, the service efficiency of particularly some price apparatus is relatively low, therefore reduces the operating efficiency of sterilizing installation, while adding the cost of sterilizing installation.
In order to solve the defect of the prior art that plasma body sterilizing equipment service efficiency is low, sterilizing installation cost is high, the present invention provides a kind of plasma body sterilizing equipment with least two sterilizing cabins.
The plasma body sterilizing equipment of the present invention includes sterilizing cabin, is located at the plasma-generating electrode in the sterilizing cabin, and in portion and the vacuum plant, bactericidal agent injection device and the plasma producing apparatus that are attached thereto out of my cabin of sterilizing, it is characterised in that
The sterilizing cabin is at least two, and the vacuum plant, bactericidal agent injection device and plasma producing apparatus are respectively one or the quantity less than or equal to the sterilizing cabin；
Each sterilizing cabin is connected to a vacuum plant for being used alone or being used in conjunction with by respective vacuum pipe and the first control unit；
Each sterilizing cabin is connected to a bactericidal agent injection device for being used alone or being used in conjunction with by respective bactericidal agent pipeline and the second control unit；
Plasma-generating electrode in each sterilizing cabin is connected to for exclusive use or a plasma producing apparatus being used in conjunction with by respective 3rd control unit,
At least one cabin that sterilized as described at least two in wherein described vacuum plant, the bactericidal agent injection device and the plasma producing apparatus is used in conjunction with.
Preferably, the plasma body sterilizing equipment also includes computer control unit, and the computer control unit is connected to first, second, third control unit, and for controlling first, second, third control unit.
Preferably, first control unit includes vacuum solenoid and air inlet electromagnetic valve, and the air inlet electromagnetic valve is also associated with air intake filter；Second control unit includes magnetic valve；3rd control unit includes relay.
Preferably, the sterilizing cabin is two, and the vacuum plant, the bactericidal agent injection device and the plasma producing apparatus are respectively one, and each sterilizing cabin is connected in parallel to the vacuum plant by respective vacuum pipe and the first control unit；Each sterilizing cabin is connected in parallel to the bactericidal agent injection device by respective bactericidal agent pipeline and the second control unit；The plasma-generating electrode in each sterilizing cabin is connected in parallel to the plasma producing apparatus by respective 3rd control unit.
Preferably, the sterilizing cabin is two, the vacuum plant, the bactericidal agent injection device are respectively one, and the plasma producing apparatus is two, and each sterilizing cabin is connected in parallel to the vacuum plant by respective vacuum pipe and the first control unit；Each sterilizing cabin is connected in parallel to the bactericidal agent injection device by respective bactericidal agent pipeline and the second control unit；The plasma-generating electrode in two sterilizing cabins is connected respectively to a plasma producing apparatus by respective 3rd control unit.
The present invention also provides a kind of sterilizing methods of the plasma body sterilizing equipment using the present invention, including with the next stage：
Startup stage, including article subject to sterilization is put into independent sterilizing cabin, and start sterilizing cabin；
Sterilize the preproduction phase, for being dried in vacuo the article subject to sterilization；
Sterilize the first stage, for bactericidal agent to be injected into the sterilizing cabin；And
Sterilize second stage, for carrying out plasma sterilization to the article subject to sterilization, it is characterised in that
It is described sterilizing the preproduction phase, sterilizing the first stage and sterilizing second stage before and period, also comprise the following steps：
Computer control unit judges whether the next step device to be used is idle, and determines that next step is operated according to judged result：If so, then entering next step；If it is not, then waiting after a scheduled time, judge again,
The wherein described next step device to be used is selected from vacuum plant, bactericidal agent injection device and plasma producing apparatus.
Preferably, the sterilizing preproduction phase comprises the following steps：
When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；
When the computer control unit judges that the plasma producing apparatus to be used is idle, start plasma producing apparatus, open the 3rd control unit, plasma is excited in the vacuum chamber, and keep after a period, close the plasma producing apparatus and the 3rd control unit；And
Vacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
Preferably, the sterilizing first stage comprises the following steps：
When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；
When the computer control unit judges that the bactericidal agent injection device to be used is idle, the second control unit is opened, bactericidal agent is injected into the sterilizing cabin, second control unit is closed afterwards；And
Vacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
Preferably, the sterilizing second stage comprises the following steps：
When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；
When the computer control unit judges that the plasma producing apparatus to be used is idle, start the plasma producing apparatus, open the 3rd control unit, plasma is excited in the vacuum chamber, and keep after a period, close the plasma producing apparatus and the 3rd control unit；And
Vacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
Preferably, the bactericidal agent is hydrogen peroxide.Preferably, a scheduled time is 1 minute.
Preferably, sterilizing methods can also be completed by following steps：
Article subject to sterilization is respectively put into independent sterilizing cabin by step A.；
Input system variable in step B. computer control units, vavuum pump variable I=0, plasma electric source variable J=0；
Step C. starts sterilizing cabin；
Step D. computer control units judge：Vavuum pump variable I=0
It is then to perform step E, no, then wait 1 minute, performs step D；
Step E. enters the sterilizing preproduction phase；
Step F. computer control units judge：Vavuum pump variable I=0
It is then to perform step G, no, then wait 1 minute, performs step F；
Step G. enters the sterilizing first stage；
Step H. computer control units judge：Vavuum pump variable I=0
It is then to perform step I, no, then wait 1 minute, performs step H；
Step I. enters sterilizing second stage；
Step J. terminates sterilizing program.
Wherein described step E enters the sterilizing preproduction phase, comprises the following steps：
E1. computer control unit is set：Vavuum pump variable I=1；
E2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；
E3. vacuum valve is closed, vacuum system is closed；
E4. computer control unit is set：Vavuum pump variable I=0；
E5. computer control unit judges：Plasma electric source variable J=0
It is then to perform step E6, no, then wait 1 minute, performs step E5；
E6. computer control unit is set：Plasma electric source variable J=1；
E7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；
E8. power supply relay and plasma system are closed；
E9. computer control unit is set：Plasma electric source variable J=0；
E10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；
E11. intake valve is closed.
Wherein, the step G enters the sterilizing first stage, comprises the following steps：
G1. computer control unit is set：Vavuum pump variable I=1；
G2. vacuum valve is opened, starts vacuum system, is evacuated to the second predetermined vacuum level；
G3. vacuum valve is closed, vacuum system is closed；
G4. computer control unit is set：Vavuum pump variable I=0；
G5. injection magnetic valve is opened, liquid hydrogen peroxide is injected；
G6. injection magnetic valve is closed, scheduled injection length is waited；
G7. intake valve is opened, suction filter air keeps normal pressure to the scheduled time；
G8. intake valve is closed.
Wherein, the step I enters sterilizing second stage, comprises the following steps：
I1. computer control unit is set：Vavuum pump variable I=1；
I2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；
I3. vacuum valve is closed, vacuum system is closed；
I4. computer control unit is set：Vavuum pump variable I=0；
I5. computer control unit judges：Plasma electric source variable J=0
It is then to perform step I6, no, then wait 1 minute, performs step I5；
I6. computer control unit is set：Plasma electric source variable J=1；
I7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；
I8. power supply relay and plasma system are closed；
I9. computer control unit is set：Plasma electric source variable J=0；
I10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；
I11. intake valve is closed.
Compared with the prior art, the invention has the advantages that：
Due to the sterilizing cabin at least two of sterilizing installation, multiple sterilizing cabins are connected in parallel with vacuum plant, bactericidal agent injection device and plasma producing apparatus respectively by control unit, i.e. multiple sterilizing cabins are connected with a set of sterilizing cabin corollary system, pass through the control system of sterilizing installation, realize the sterilization that article in multiple sterilizing cabins is completed with a set of sterilizing cabin corollary apparatus, reduce the free time of sterilizing cabin corollary apparatus, so as to substantially increase the service efficiency of sterilizing installation, the cost of sterilizing installation is reduced.In addition, it is different classes of, or require that the article subject to sterilization of different sterilising conditions can be sterilized in different cabins, it is favorably improved sterilizing efficiency.
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the schematic diagram of the plasma body sterilizing equipment according to one embodiment of the invention；
Fig. 2 is the schematic diagram of the plasma body sterilizing equipment according to another embodiment of the present invention；
Fig. 3 is the structure chart of the plasma body sterilizing equipment according to one embodiment of the invention；
Fig. 4 is the sterilizing methods flow chart according to embodiment of the present invention.
Reference：
The sterilizings of 1a, 1b first, second cabin
2 vacuum plants
201 discharge filters
3 bactericidal agent injection devices
4th, 4a, 4b plasma producing apparatus
The control unit of 5a, 5b first
501a, 501b vacuum solenoid
502a, 502b air inlet electromagnetic valve
503a, 503b inlet air filtration valve
504a, 504b vacuum pumping opening
The control unit of 6a, 6b second
601a, 601b bactericidal agent inlet
The control unit of 7a, 7b the 3rd
701a, 701b relay
702a, 702b electrode feed-in
8a, 8b vacuum meter
9a, 9b heating plate
10a, 10b battery lead plate
11a, 11b metal nacelle
12a, 12b sterilizing hatch door
13a, 13b felt pad
The preferred embodiments of the invention are described in detail below with reference to accompanying drawing.
Fig. 1 is the schematic diagram of the plasma body sterilizing equipment according to one embodiment of the invention.As illustrated, plasma body sterilizing equipment includes two sterilizings cabin 1a and 1b；Each sterilizing cabin is built with plasma-generating electrode 10a and 10b；Vacuum plant 2, bactericidal agent injection device 3 and plasma producing apparatus 4 are respectively one, and loaded on sterilizing cabin 1a and 1b outside；Sterilizing the cabin 1a and 1b are connected in parallel to vacuum plant 2 by respective vacuum pipe and the first control unit 5a and 5b respectively；Bactericidal agent injection device 3 is connected in parallel to by respective bactericidal agent pipeline and the second control unit 6a and 6b respectively；Plasma-generating electrode 10a and 10 is connected in parallel to plasma producing apparatus 4 by respective 3rd control unit 7a and 7b respectively.
Fig. 2 is the schematic diagram of the plasma body sterilizing equipment according to another embodiment of the present invention.As illustrated, plasma body sterilizing equipment includes two sterilizings cabin 1a and 1b；Each sterilizing cabin is built with plasma-generating electrode 10a and 10b；The outside of vacuum plant 2, bactericidal agent injection device 3 and two plasma producing apparatus 4a and 4b loaded on sterilizing cabin 1a and 1b；Sterilizing the cabin 1a and 1b are connected in parallel to vacuum plant 2 by respective vacuum pipe and the first control unit 5a and 5b respectively；Bactericidal agent injection device 3 is connected in parallel to by respective bactericidal agent pipeline and the second control unit 6a and 6b respectively；Plasma-generating electrode 10a and 10 is connected respectively to plasma producing apparatus 4a and 4b by respective 3rd control unit 7a and 7b.
As the preferred embodiments of the invention, the plasma body sterilizing equipment also includes the computer control unit for being connected to first, second, third control unit, for controlling first, second, third control unit.
As the preferred embodiments of the invention, the first control unit 5a can include the first filter electromagnetic valve and the first vacuum solenoid being connected with sterilizing cabin 1a, and the first filter electromagnetic valve is connected with the first filter simultaneously；First control unit 5b can include the second filter electromagnetic valve and the second vacuum solenoid being connected with sterilizing cabin 1b, and the second filter electromagnetic valve is connected with the second filter simultaneously, and the first vacuum solenoid and the second vacuum solenoid are connected in parallel to vacuum plant 2.
As the preferred embodiments of the invention, the second control unit 6a can include the first injection magnetic valve being connected with sterilizing cabin 1a；Second control unit 6b can include the second injection magnetic valve being connected with sterilizing cabin 1b, and the first injection magnetic valve and the second injection magnetic valve are connected in parallel to injection device 3.
As the preferred embodiments of the invention, the 3rd control unit 7a can include the first relay, the first switch of the first relay of connection being connected with sterilizing cabin 1a；3rd control unit 7b can include the second relay, the second switch of the second relay of connection being connected with sterilizing cabin 1b, and first switch and second switch are connected in parallel to plasma producing apparatus 4, or attach to plasma producing apparatus 4a and 4b respectively.
Fig. 3 is the structure chart of the plasma body sterilizing equipment according to one embodiment of the invention.Plasma body sterilizing equipment in figure includes two sterilizings cabin 1a and 1b, and vacuum plant（Vavuum pump）2nd, bactericidal agent（H2O2）Injection device 3, plasma producing apparatus（Plasma power supply）4 respectively have one.
Sterilizing cabin 1a and 1b are respectively provided with the vacuum pumping opening 504a and 504b for being connected in parallel to vacuum plant 2；For being connected in parallel to bactericidal agent（H2O2）The H of injection device 32O2Inlet 601a and 601b；Electrode feed-in 702a and 702b for being connected in parallel to plasma producing apparatus 4.
Cabin 1a and 1b sterilize respectively including sterilizing hatch door 12a and 12b；On hatch door multiple heating plate 9a and 9b are externally provided with nacelle.In addition, being also respectively provided with vacuum meter 8a and 8b on sterilizing cabin 1a and 1b.
Vavuum pump 2 is also associated with discharge filter 201, and the air of period discharge is vacuumized for filtering.Vavuum pump 2 passes through the first control unit 5a（Including vacuum solenoid 501a, air inlet electromagnetic valve 502a, vacuum pumping opening 504a）It is connected on sterilizing cabin 1a, air inlet electromagnetic valve 502a and is also associated with air intake filter 503a；Pass through the first control unit 5b（Including vacuum solenoid 501b, air inlet electromagnetic valve 502b, vacuum pumping opening 504b）It is connected on sterilizing cabin 1b, air inlet electromagnetic valve 502b and is also associated with inlet air filtration valve 503b.
Bactericidal agent（H2O2）Injection device 2 passes through the second control unit（H2O2Magnetic valve）6a is connected to sterilizing cabin 1a；Pass through the second control unit（H2O2Magnetic valve）6b is connected to sterilizing cabin 1a.
Plasma producing apparatus 4 includes plasma power supply, and passes through the 3rd control unit 7a（Including relay 701a）It is connected to sterilizing cabin 1a；Pass through the 3rd control unit 7b（Including relay 701b）It is connected to sterilizing cabin 1b.Nacelle 11a, the 11b sheet that sterilizes serves as the negative pole of plasma producing apparatus as metal；Plasma producing apparatus 4 be connected to respectively by electrode feed-in 702a and 702b be located in sterilizing cabin, the battery lead plate 10a and 10b of positive pole as plasma producing apparatus；Battery lead plate 10a and 10b are separated by felt pad 13a and 13b with metal nacelle respectively.
Method more than, uses set of complementary device（Vacuum plant, bactericidal agent injection device, plasma producing apparatus）The disinfecting action to two sterilizing cabins can be realized., can be in the case where not influenceing the disinfecting action in the first sterilizing cabin during in the free time after the completion of effect of the corollary apparatus to the first sterilizing cabin, then be used for the second sterilizing cabin effect.So as to substantially increase the service efficiency of corollary equipment, while also helping the reduction disinfecting action time, sterilizing efficiency is improved.Particularly when needing to sterilize to different types of article subject to sterilization, the classification such as requirement that can be by article subject to sterilization according to type, to sterilising conditions is put into multiple sterilizing cabins, and respective parameter is set for each sterilizing cabin, so as to realize effectively sterilization treatment, and sterilization treatment time and equipment cost can be greatlyd save.
Shown plasma body sterilizing equipment is exemplary only, can make adjustment and change in the spirit and scope of the claims in the present invention according to actual needs.For example, sterilizing cabin number can have two, three and more.The number of vacuum plant, bactericidal agent injection device and plasma producing apparatus can be adjusted as needed, it can have and sterilizing cabin identical number respectively, each sterilizing cabin is connected respectively to, to seek to optimize balance between saving equipment cost and improving equipment service efficiency.For example, when using two sterilizing cabins, the two sterilizing cabins can share a vacuum plant and a plasma producing apparatus, and use a respective bactericidal agent injection device respectively；Or two sterilizing cabins, a bactericidal agent injection device and a plasma producing apparatus are shared, and a respective vacuum plant is used respectively；Or two sterilizing cabins, a vacuum plant is shared, and a respective bactericidal agent injection device is used respectively, respectively using a respective plasma producing apparatus；Or two sterilizing cabins, a plasma producing apparatus is shared, and a respective bactericidal agent injection device is used respectively, respectively using a respective vacuum plant；Or, two sterilizing cabins share a bactericidal agent injection device, and use a respective plasma producing apparatus respectively, respectively using a respective vacuum plant.First, second, third control unit, and computer control unit can also be adjusted as needed.For example, each control unit can also include other suitable elements in addition to magnetic valve, relay, such as vacuum meter, thermometer.Computer control unit can be single part, can also it is integrated in a device.
Fig. 4 is sterilizing methods flow chart in accordance with an exemplary embodiment of the invention.
It is the system preparatory stage 4001 first, then article subject to sterilization is put into independent sterilizing cabin 1a or 1b or both by starting device, system warm-up, and starts sterilizing cabin.Afterwards, computer control unit judges whether vavuum pump is idle, and determines that next step is operated according to judged result：If so, then entering the sterilizing preproduction phase 4002, if it is not, after then waiting one minute, judging again.
In the sterilizing preproduction phase 4002：It is step 40021 first, starts vavuum pump, vacuum solenoid, the sterilizing cabin is evacuated to≤50Pa, vavuum pump, vacuum solenoid is closed afterwards.The step is used for dry sterilization cabin, removes excessive moisture.Then computer control unit judges whether plasma electrical source is idle, and determines that next step is operated according to judged result：If so, then entering step 40022, if it is not, after then waiting one minute, judging again；In step 40022, start plasma electrical source, relay, and after being kept for 2 minutes, close plasma electrical source, relay.The step is used to sterilizing cabin is further dried, and removes the bactericidal agent that may be remained in sterilizing cabin.Step 40023 is subsequently entered, vacuum-operated inlet valve is opened, suction filter air makes to close vacuum-operated inlet valve after keeping normal pressure >=1 minute in sterilizing cabin.Gas and moisture that air filtering can be produced in perturbation steps 40022 in sterilizing cabin are crossed in entrance, in favor of extracting these materials out sterilizing cabin in the next step.So far, the sterilizing preproduction phase completes.Sterilize after the completion of the preproduction phase 4002, computer control unit judges whether vavuum pump is idle, and determine that next step is operated according to judged result：If so, then entering the sterilizing first stage 4003, if it is not, after then waiting one minute, judging again.
In the sterilizing first stage 4003：It is step 40031 first, starts vavuum pump, vacuum solenoid, the sterilizing cabin is evacuated to≤50Pa, vavuum pump, vacuum solenoid is closed afterwards.Followed by step 40032, H is opened2O2Injection device and H2O2 magnetic valves, by proper amount of H2O2It is injected into sterilizing cabin, pressure is maintained 800 ~ 1800
H is closed after Pa, one enough time of wait2O2Magnetic valve.Due to being in vacuum state, H in sterilizing cabin2O2After injection, rapid disperse is come, and is attached on article surface subject to sterilization, about 6 minutes diffusion times.In step 40033, vacuum-operated inlet valve is opened, suction filter air makes to close vacuum-operated inlet valve after keeping normal pressure >=1 minute in sterilizing cabin.The H of the air agitation dispersion atomization of suction2O2, it is more fully contacted with article surface subject to sterilization, can particularly enter therefrom in the tube chamber of elongated tubular product article, and be attached on lumen wall, to reach more preferable sterilization effect.So far, the sterilizing first stage completes.Sterilize after the completion of the first stage 4003, computer control unit judges whether vavuum pump is idle, and determine that next step is operated according to judged result：If so, then entering sterilizing second stage 4004, if it is not, after then waiting one minute, judging again.
In sterilizing second stage 4004：It is step 40041 first, starts vavuum pump, vacuum solenoid, the sterilizing cabin is evacuated to≤50Pa, vavuum pump, vacuum solenoid is closed afterwards.The step to reach plasma-ignition conditions in sterilizing cabin.Then computer control unit judges whether plasma electrical source is idle, and determines that next step is operated according to judged result：If so, then entering step 40042, if it is not, after then waiting one minute, judging again.In step 40042, start plasma electrical source, relay, and after being kept for 6 minutes, close plasma electrical source, relay.In the step, the H of gasification2O2Plasma is produced in the presence of RF, is acted on by the living radical of low temperature plasma, kills microorganism.When RF ripples stop, plasmarized state terminates, and is transformed into stable oxygen molecule and hydrone.Then in step 40043, vacuum-operated inlet valve is opened, suction filter air makes to close vacuum-operated inlet valve after keeping normal pressure >=1 minute in sterilizing cabin.Sterilizing is completed.
Preferably, sterilizing methods can also be completed by following steps：
Article subject to sterilization is respectively put into independent sterilizing cabin by step A.；
Input system variable in step B. computer control units, vavuum pump variable I=0, plasma electric source variable J=0；
Step C. starts sterilizing cabin；
Step D. computer control units judge：Vavuum pump variable I=0
It is then to perform step E, no, then wait 1 minute, performs step D；
Step E. enters the sterilizing preproduction phase；
Step F. computer control units judge：Vavuum pump variable I=0
It is then to perform step G, no, then wait 1 minute, performs step F；
Step G. enters the sterilizing first stage；
Step H. computer control units judge：Vavuum pump variable I=0
It is then to perform step I, no, then wait 1 minute, performs step H；
Step I. enters sterilizing second stage；
Step J. terminates sterilizing program.
Wherein described step E enters the sterilizing preproduction phase, comprises the following steps：
E1. computer control unit is set：Vavuum pump variable I=1；
E2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；
E3. vacuum valve is closed, vacuum system is closed；
E4. computer control unit is set：Vavuum pump variable I=0；
E5. computer control unit judges：Plasma electric source variable J=0
It is then to perform step E6, no, then wait 1 minute, performs step E5；
E6. computer control unit is set：Plasma electric source variable J=1；
E7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；
E8. power supply relay and plasma system are closed；
E9. computer control unit is set：Plasma electric source variable J=0；
E10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；
E11. intake valve is closed.
Wherein, the step G enters the sterilizing first stage, comprises the following steps：
G1. computer control unit is set：Vavuum pump variable I=1；
G2. vacuum valve is opened, starts vacuum system, is evacuated to the second predetermined vacuum level；
G3. vacuum valve is closed, vacuum system is closed；
G4. computer control unit is set：Vavuum pump variable I=0；
G5. injection magnetic valve is opened, liquid hydrogen peroxide is injected；
G6. injection magnetic valve is closed, scheduled injection length is waited；
G7. intake valve is opened, suction filter air keeps normal pressure to the scheduled time；
G8. intake valve is closed.
Wherein, the step I enters sterilizing second stage, comprises the following steps：
I1. computer control unit is set：Vavuum pump variable I=1；
I2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；
I3. vacuum valve is closed, vacuum system is closed；
I4. computer control unit is set：Vavuum pump variable I=0；
I5. computer control unit judges：Plasma electric source variable J=0
It is then to perform step I6, no, then wait 1 minute, performs step I5；
I6. computer control unit is set：Plasma electric source variable J=1；
I7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；
I8. power supply relay and plasma system are closed；
I9. computer control unit is set：Plasma electric source variable J=0；
I10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；
I11. intake valve is closed.
Above-mentioned sterilizing methods step is exemplary only, can as needed, specific parameter is set according to physical condition（Such as vacuum, time etc.）To complete different sterilization process.According to type of goods subject to sterilization in sterilizing cabin, the sterilising conditions in two cabins can be set to identical, can also be different.Although conventional plasma sterilization agent is hydrogen peroxide, in practical application, species, concentration, form of bactericidal agent etc. can also be varied as desired.In addition, in sterilization process, matching unit can be also adjusted using order, time, number of times etc. as needed.For example with different order, vacuum plant, bactericidal agent injection device, plasma producing apparatus can be used for multiple times, to improve sterilization effect as needed in different sterilization phases.
Above content is to combine specific preferred embodiment further description made for the present invention, it should be understood that without departing from the inventive concept of the premise, can also make some simple deductions, should all be considered as belonging to protection scope of the present invention.
Claims (13)
- A kind of plasma body sterilizing equipment, including sterilizing cabin（1）, it is located at the plasma-generating electrode in the sterilizing cabin（10）, and in portion and the vacuum plant being attached thereto out of my cabin of sterilizing（2）, bactericidal agent injection device（3）And plasma producing apparatus（4）, it is characterised in thatThe sterilizing cabin is at least two, and the vacuum plant, bactericidal agent injection device and plasma producing apparatus are respectively one or the quantity less than or equal to the sterilizing cabin；Each sterilizing cabin passes through respective vacuum pipe and the first control unit（5）It is connected to a vacuum plant for being used alone or being used in conjunction with；Each sterilizing cabin passes through respective bactericidal agent pipeline and the second control unit（6）It is connected to a bactericidal agent injection device for being used alone or being used in conjunction with；Plasma-generating electrode in each sterilizing cabin passes through respective 3rd control unit（7）A plasma producing apparatus for being used alone or being used in conjunction with is connected to,At least one cabin that sterilized as described at least two in wherein described vacuum plant, the bactericidal agent injection device and the plasma producing apparatus is used in conjunction with.
- Plasma body sterilizing equipment according to claim 1, it is characterized in that, the plasma body sterilizing equipment also includes computer control unit, and the computer control unit is connected to first, second, third control unit, and for controlling first, second, third control unit.
- Plasma body sterilizing equipment according to claim 1 or 2, it is characterised in that：First control unit includes vacuum solenoid and air inlet electromagnetic valve, and the air inlet electromagnetic valve is also associated with air intake filter；Second control unit includes magnetic valve；3rd control unit includes relay.
- Plasma body sterilizing equipment according to claim 1, it is characterized in that, the sterilizing cabin is two, the vacuum plant, the bactericidal agent injection device and the plasma producing apparatus are respectively one, and each sterilizing cabin is connected in parallel to the vacuum plant by respective vacuum pipe and the first control unit；Each sterilizing cabin is connected in parallel to the bactericidal agent injection device by respective bactericidal agent pipeline and the second control unit；The plasma-generating electrode in each sterilizing cabin is connected in parallel to the plasma producing apparatus by respective 3rd control unit.
- Plasma body sterilizing equipment according to claim 1, it is characterized in that, the sterilizing cabin is two, the vacuum plant, the bactericidal agent injection device are respectively one, the plasma producing apparatus is two, and each sterilizing cabin is connected in parallel to the vacuum plant by respective vacuum pipe and the first control unit；Each sterilizing cabin is connected in parallel to the bactericidal agent injection device by respective bactericidal agent pipeline and the second control unit；The plasma-generating electrode in two sterilizing cabins is connected respectively to a plasma producing apparatus by respective 3rd control unit.
- A kind of sterilizing methods of plasma body sterilizing equipment described in usage right requirement 3, including with the next stage：Startup stage, including article subject to sterilization is put into independent sterilizing cabin, and start sterilizing cabin；Sterilize the preproduction phase, for being dried in vacuo the article subject to sterilization；Sterilize the first stage, for bactericidal agent to be injected into the sterilizing cabin；AndSterilize second stage, for carrying out plasma sterilization to the article subject to sterilization, it is characterised in thatIt is described sterilizing the preproduction phase, sterilizing the first stage and sterilizing second stage before and period, also comprise the following steps：Computer control unit judges whether the next step device to be used is idle, and determines that next step is operated according to judged result：If so, then entering next step；If it is not, then waiting after a scheduled time, judge again,The wherein described next step device to be used is selected from vacuum plant, bactericidal agent injection device and plasma producing apparatus.
- According to the method described in claim 6, it is characterised in that the sterilizing preproduction phase comprises the following steps：When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；When the computer control unit judges that the plasma producing apparatus to be used is idle, start plasma producing apparatus, open the 3rd control unit, plasma is excited in the vacuum chamber, and keep after a period, close the plasma producing apparatus and the 3rd control unit；AndVacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
- According to the method described in claim 6, it is characterised in that the sterilizing first stage comprises the following steps：When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；When the computer control unit judges that the bactericidal agent injection device to be used is idle, the second control unit is opened, bactericidal agent is injected into the sterilizing cabin, second control unit is closed afterwards；AndVacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
- According to the method described in claim 6, it is characterised in that the sterilizing second stage comprises the following steps：When the computer control unit judges that the vacuum plant to be used is idle, start the vacuum plant, open the first control unit, the vacuum chamber is evacuated to after predetermined vacuum level, close the vacuum plant and first control unit；When the computer control unit judges that the plasma producing apparatus to be used is idle, start the plasma producing apparatus, open the 3rd control unit, plasma is excited in the vacuum chamber, and keep after a period, close the plasma producing apparatus and the 3rd control unit；AndVacuum-operated inlet valve is opened, the vacuum chamber is kept after the scheduled time of normal pressure one, the vacuum-operated inlet valve is closed.
- According to the method described in claim 6, it is characterised in that comprise the following steps：Article subject to sterilization is respectively put into independent sterilizing cabin by step A.；Input system variable in step B. computer control units,Vavuum pump variable I=0, plasma electric source variable J=0；Step C. starts sterilizing cabin；Step D. computer control units judge：Vavuum pump variable I=0It is then to perform step E,It is no, then wait 1 minute, perform step D；Step E. enters the sterilizing preproduction phase；Step F. computer control units judge：Vavuum pump variable I=0It is then to perform step G,It is no, then wait 1 minute, perform step F；Step G. enters the sterilizing first stage；Step H. computer control units judge：Vavuum pump variable I=0It is then to perform step I,It is no, then wait 1 minute, perform step H；Step I. enters sterilizing second stage；Step J. terminates sterilizing program.
- According to the method described in claim 10, it is characterised in that the step E enters the sterilizing preproduction phase, comprises the following steps：E1. computer control unit is set：Vavuum pump variable I=1；E2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；E3. vacuum valve is closed, vacuum system is closed；E4. computer control unit is set：Vavuum pump variable I=0；E5. computer control unit judges：Plasma electric source variable J=0It is then to perform step E6,It is no, then wait 1 minute, perform step E5；E6. computer control unit is set：Plasma electric source variable J=1；E7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；E8. power supply relay and plasma system are closed；E9. computer control unit is set：Plasma electric source variable J=0；E10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；E11. intake valve is closed.
- According to the method described in claim 10, it is characterised in that the step G enters the sterilizing first stage, comprises the following steps：G1. computer control unit is set：Vavuum pump variable I=1；G2. vacuum valve is opened, starts vacuum system, is evacuated to the second predetermined vacuum level；G3. vacuum valve is closed, vacuum system is closed；G4. computer control unit is set：Vavuum pump variable I=0；G5. injection magnetic valve is opened, liquid hydrogen peroxide is injected；G6. injection magnetic valve is closed, scheduled injection length is waited；G7. intake valve is opened, suction filter air keeps normal pressure to the scheduled time；G8. intake valve is closed.
- According to the method described in claim 10, it is characterised in that the step I enters sterilizing second stage, comprises the following steps：I1. computer control unit is set：Vavuum pump variable I=1；I2. vacuum valve is opened, starts vacuum system, is evacuated to the first predetermined vacuum level；I3. vacuum valve is closed, vacuum system is closed；I4. computer control unit is set：Vavuum pump variable I=0；I5. computer control unit judges：Plasma electric source variable J=0It is then to perform step I6,It is no, then wait 1 minute, perform step I5；I6. computer control unit is set：Plasma electric source variable J=1；I7. relay is turned on the power, starts plasma system, predetermined ionization time is kept；I8. power supply relay and plasma system are closed；I9. computer control unit is set：Plasma electric source variable J=0；I10. intake valve is opened, suction filter air keeps normal pressure to the predetermined normal pressure time；I11. intake valve is closed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/076663 WO2013000152A1 (en) | 2011-06-30 | 2011-06-30 | Plasma sterilizing facility and sterilizing method thereof |
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| CN109289067B (en) * | 2018-11-16 | 2023-10-10 | 成都九元科技有限公司 | Instrument sterilizer, instrument sterilization system and instrument sterilization method |
| CN114904021B (en) * | 2022-05-07 | 2024-02-13 | 成都擎安医疗科技有限公司 | Pulse vacuum pressure steam sterilizer and sterilization method |
| CN115045592B (en) * | 2022-06-07 | 2024-05-14 | 成都蓝峰科技有限公司 | Cabin door for hydrogen peroxide low-temperature plasma sterilizer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1493449A1 (en) * | 2003-06-30 | 2005-01-05 | Ethicon | Test Device for Sterilization Indicators |
| CN1795016A (en) * | 2004-01-16 | 2006-06-28 | 西萨有限公司 | Vacuum sterilization process and devices |
| CN200984336Y (en) * | 2006-12-15 | 2007-12-05 | 孟月东 | Hydrogen peroxide vacuum plasma body cold sterilization device |
| WO2008146990A1 (en) * | 2007-05-31 | 2008-12-04 | Sung-Chun Kim | Plasma radical sterilization apparatus and method |
| KR100920917B1 (en) * | 2009-06-08 | 2009-10-12 | 주식회사 바이오미스트테크놀로지 | Cold nitrogen plasma sterilizing method and device using nitrogen seperator |
| CN101721724A (en) * | 2010-01-08 | 2010-06-09 | 邵汉良 | Hydrogen peroxide plasma enhanced sterilizer |
| CN101810871A (en) * | 2010-05-18 | 2010-08-25 | 王衍魁 | Multi-zone separately controlled plasma sterilizer |
| CN202288939U (en) * | 2011-06-30 | 2012-07-04 | 深圳市仁能达科技有限公司 | Plasma sterilization equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19916478A1 (en) * | 1999-04-13 | 2000-10-19 | Ruediger Haaga Gmbh | Procedure for evacuation of a container in which a plasma discharge it to be set up in a plasma reactor for sterilization of components has a multi-stage pumping process with vacuum pumps efficient over different pressures |
| FR2814079B1 (en) * | 2000-09-15 | 2005-05-13 | Absys | PLASMA STERILIZATION SYSTEM |
| CN101607093B (en) * | 2009-06-19 | 2012-11-07 | 王立飞 | Chlorine dioxide gas and plasma room temperature sterilizing device and sterilizing method thereof |
| CN201481835U (en) * | 2009-08-14 | 2010-05-26 | 山东新华医疗器械股份有限公司 | low-temperature hydrogen peroxide plasma sterilizer |
-
2011
- 2011-06-30 WO PCT/CN2011/076663 patent/WO2013000152A1/en active Application Filing
- 2011-06-30 CN CN2011800046067A patent/CN103037906A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1493449A1 (en) * | 2003-06-30 | 2005-01-05 | Ethicon | Test Device for Sterilization Indicators |
| CN1795016A (en) * | 2004-01-16 | 2006-06-28 | 西萨有限公司 | Vacuum sterilization process and devices |
| CN200984336Y (en) * | 2006-12-15 | 2007-12-05 | 孟月东 | Hydrogen peroxide vacuum plasma body cold sterilization device |
| WO2008146990A1 (en) * | 2007-05-31 | 2008-12-04 | Sung-Chun Kim | Plasma radical sterilization apparatus and method |
| KR100920917B1 (en) * | 2009-06-08 | 2009-10-12 | 주식회사 바이오미스트테크놀로지 | Cold nitrogen plasma sterilizing method and device using nitrogen seperator |
| CN101721724A (en) * | 2010-01-08 | 2010-06-09 | 邵汉良 | Hydrogen peroxide plasma enhanced sterilizer |
| CN101810871A (en) * | 2010-05-18 | 2010-08-25 | 王衍魁 | Multi-zone separately controlled plasma sterilizer |
| CN202288939U (en) * | 2011-06-30 | 2012-07-04 | 深圳市仁能达科技有限公司 | Plasma sterilization equipment |
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