CN201020056Y - AC DC hybrid starting low-temperature plasma sterilization device with self-checking function - Google Patents
AC DC hybrid starting low-temperature plasma sterilization device with self-checking function Download PDFInfo
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- CN201020056Y CN201020056Y CNU2007201041413U CN200720104141U CN201020056Y CN 201020056 Y CN201020056 Y CN 201020056Y CN U2007201041413 U CNU2007201041413 U CN U2007201041413U CN 200720104141 U CN200720104141 U CN 200720104141U CN 201020056 Y CN201020056 Y CN 201020056Y
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- canister
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- hydrogen peroxide
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 47
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 230000000844 anti-bacterial effect Effects 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 230000002572 peristaltic effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- KRQUFUKTQHISJB-YYADALCUSA-N 2-[(E)-N-[2-(4-chlorophenoxy)propoxy]-C-propylcarbonimidoyl]-3-hydroxy-5-(thian-3-yl)cyclohex-2-en-1-one Chemical compound CCC\C(=N/OCC(C)OC1=CC=C(Cl)C=C1)C1=C(O)CC(CC1=O)C1CCCSC1 KRQUFUKTQHISJB-YYADALCUSA-N 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000005336 safety glass Substances 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005250 beta ray Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
A low temperature plasma sterilizer capable of self-checking, the luminance of which can be started by the mixture of direct and alternating currents, wherein one end of the metal container is provided with a metal cover door etc; a sealing ring is positioned between the side end of the metal container and the meal cover door; an insulated backup block, a RF electrode and a DC electrode etc are provided on the inner wall of the metal container; a screen type metal antenna is fixed at the inner end of the insulated backup block, and is electrically connected with the RF electrode; a photosensitive sensor is disposed between the metal container and the screen-type metal antenna; a metal laminate is arranged in the center of the metal container, and is connected in a fixed manner to the inner wall of the metal container through an insulated bracket; the metal container is communicated with a vacuum pump through a vacuum corrugated pipe; the RF electrode on the inner wall of the metal container is electrically connected with, one by one, a self-adapting RF coupler and a RF power supply out of the metal container; the DC electrode is electrically connected with a DC power supply out of the metal container; a program controller is positioned out of the metal controller. Simply structured, the utility model can perform thorough sterilization in a short period of time without residuals; besides, the utility model is energy-saving and is applicable to both metal and nonmetal instruments.
Description
Technical field:
This utility model relates to the sterilization technology field, AC and DC mixing build-up of luminance low temperature plasma bactericidal unit with self-checking function particularly has the photosensitive sensor unit of aura phenomenon when detecting plasma generation and produces plasma carries out low temperature sterilization to medical apparatus and instruments device by AC and DC mixing build-up of luminance.
Background technology:
Use the sterilization of the wet article of various fear heat fear at present in hospital, all to carry out sterilization as endoscope, pacemaker, artificial valve, optical instrument, electronic equipment, conduit, plastic etc., but the overwhelming majority can at high temperature be out of shape in these apparatuses, therefore should not carry out sterilization with the pyritous method of routine, and the service life of valuable medical apparatus and instruments is shortened in the high-temperature sterilization meeting.If adopt the method for medicining liquid dipping, often can't thoroughly kill the antibacterial in the apparatus slit, have residue to stay on the apparatus behind the sterilization, and sterilising cycle is long.
Under plasmoid, a series of physics and chemical change take place in material, as electron exchange, electron energy conversion, molecular collision, chemistry dissociates and reorganization etc., these variations make the ionized gas cloud produce the electriferous state cloud form material that electronics, ion and neutron etc. are combined into, these materials contain particle such as molecule, excited atom, metastable atom, free radical and ultraviolet, gamma-rays, β ray etc., and both the aura phenomenon produces when producing electriferous state cloud form material.
The plasma sterilization technology was originated the sixties in 20th century, and killing microorganisms research has been carried out in the sterilization of U.S. Menashi article on plasma, and develops plasma sterilizing equipment in nineteen sixty-eight, and is existing much about report of plasma sterilization Study on Technology and patented product.At present plasma sterilizing equipment does not have observation window mostly or observation window is arranged and does not detect the device that plasma takes place, and has the unsuccessful situation of plasma build-up of luminance, and this has often stayed hidden danger to plasma sterilization, has perhaps reduced the efficient of plasma sterilization.
In the research process of modern vacuum electronics, find that radio-frequency discharge can produce the large tracts of land homogeneous plasma, but it is subjected to the constraint of various conditions, there is the build-up of luminance failure, do not produce the situation of plasma, find that simultaneously direct-current discharge is easy to generate plasma, the build-up of luminance condition is loose, but be difficult to produce the uniform large-area plasma, generally just be used to produce ozone and do sterilization usefulness.Existing low temperature plasma bactericidal unit adopts the method for radio-frequency discharge more, its physical characteristics has determined that plasma produces the possibility of failure, and the situation that produces failure at plasma can not detect, thereby has caused the possibility of product sterilization failure, and then causes great malpractice.
The utility model content:
The purpose of this utility model is to disclose a kind of AC and DC mixing build-up of luminance low temperature plasma bactericidal unit with self-checking function, to overcome the various defectives that prior art exists.
For achieving the above object, technical solution of the present invention is:
A kind of AC and DC mixing build-up of luminance low temperature plasma bactericidal unit with self-checking function comprises canister, mesh-like metal antenna, vacuum pump, dielectric support block, plymetal, plasma power supply, adaptive RF bonder, vacuometer, internal temperature sensor, humidity sensor, hydrogen peroxide storage bottle, peristaltic pump, liquid level sensor, silica gel catheter, hydrogen peroxide baffle plate, holding wire, cyclelog; Wherein:
Canister one end has the crown cap door, and the crown cap door is provided with observation window, the anti-travel switch of pressing, and between canister side and the crown cap door sealing ring is arranged; The canister inwall is provided with dielectric support block, radio-frequency electrode, DC electrode, vacuometer, internal temperature sensor, humidity sensor, light sensor; Dielectric support block the inner is connected with the mesh-like metal antenna, and the mesh-like metal antenna is electrically connected with radio-frequency electrode;
The mesh-like metal antenna has a slice at least, and its shape and canister inwall are suitable, and with the spacing of canister inwall be 5mm～30mm, light sensor is between canister and mesh-like metal antenna;
The canister central part is provided with plymetal, and plymetal is surrounded by the mesh-like metal antenna, and plymetal is affixed through insulation support and canister inwall;
Canister connects with vacuum pump by the vacuum ripple pipe and is connected, and connects with hydrogen peroxide storage bottle by silica gel catheter to be connected, and silica gel catheter is provided with peristaltic pump; In the hydrogen peroxide storage bottle liquid level sensor is arranged, the port of silica gel catheter in canister the part on the mesh-like metal antenna is had the hydrogen peroxide baffle plate;
Radio-frequency electrode order on the canister inwall is electrically connected with adaptive RF bonder, the radio-frequency power supply outside the canister; DC electrode is electrically connected with canister dc source outward;
Cyclelog is positioned at outside the canister, be electrically connected with liquid level sensor through holding wire, and be electrically connected with vacuum pump, radio-frequency power supply, dc source, adaptive RF bonder, vacuometer, internal temperature sensor, humidity sensor, light sensor and the anti-travel switch of pressing respectively.
Described plasma sterilization device, its described canister is cylindrical or cube, frame ground.
Described plasma sterilization device, its described observation window is equipped with the metal twine of a radiation-resistant leaded safety glass and a shielding action.
Described plasma sterilization device, its described mesh-like metal antenna, its mesh are the hole, garden of diameter 3～20mm, the mesh center of circle is 3～20mm at interval.
Described plasma sterilization device, whether its described light sensor is to have the aura phenomenon to produce when detecting plasma sterilization.
Described plasma sterilization device, its described light sensor is to detect to contain wavelength ultraviolet light between 100nm～400nm.
Described plasma sterilization device, its described hydrogen peroxide storage bottle, liquid level sensor, hydrogen peroxide baffle plate are that plastics or other resistant materials are made.
Described plasma sterilization device, its described canister, Zhou Yuan is provided with the canister heating jacket in its outside, is provided with external temperature sensor in the canister heating jacket.
Device of the present utility model is compared with existing other low-temperature plasma bactericidal units, has following difference, pass through photosensitive sensor unit, can judge the state that plasma produces, by direct current build-up of luminance device, improved the success rate of device generation plasma, strengthen the disinfective action of hydrogen peroxide by canister external heat device, by leaded firmization glass, avoided the leakage of rays such as ultraviolet, by the physical principle of peristaltic pump, make the different injection devices of hydrogen peroxide directly contact the situation of avoiding the common metal electromagnetic valve to be corroded.By above-mentioned function, device provided by the utility model can obtain the success rate higher than other low-temperature plasma bactericidal units, better Disinfection Effect, (generally below 60 ℃) can obtain splendid sterilization effect at a lower temperature, avoided the influence of high-temperature sterilization to apparatus, can kill antibacterial and virus in the slit that is penetrated into apparatus, the sterilization ability improves, this utility model is only got rid of a spot of water and oxygen, do not have waste gas to produce, also can not make has residual material on the apparatus.
Description of drawings:
Fig. 1, be the AC and DC mixing build-up of luminance low temperature plasma bactericidal unit one example structure sketch map that the utlity model has self-checking function.
The specific embodiment:
The utility model is described in further detail for accompanying drawing in conjunction with the embodiments.
As shown in Figure 1, a kind of friendship with self-checking function, direct current mixing build-up of luminance low temperature plasma bactericidal unit, comprise canister 1, crown cap door 2, mesh-like metal antenna 3, vacuum pump 4, vacuum ripple pipe 5, dielectric support block 6, plymetal 7, radio-frequency electrode 8, DC electrode 9, radio-frequency power supply 10, dc source 11, adaptive RF bonder 12, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16, hydrogen peroxide storage bottle 17, peristaltic pump 18, liquid level sensor 19, silica gel catheter 20, hydrogen peroxide baffle plate 21, leaded tempering glass window 22, the anti-travel switch 23 of pressing, canister heating jacket 24, external temperature sensor 25, holding wire 26, cyclelog 27, wherein:
Canister 1 is cylindrical or cube, frame ground, the one end has crown cap door 2, crown cap door 2 is provided with observation window 22, the one anti-travel switch 23 of pressing, be useful on the silicon materials sealing ring of sealing between canister 1 side and the crown cap door 2, observation window 22 has radiation-resistant leaded safety glass and plays the metal twine of shielding action.Canister 1 inwall is provided with dielectric support block 6, radio-frequency electrode 8, DC electrode 9, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16, and whether light sensor 16 detects sterilization process the build-up of luminance phenomenon; Dielectric support block 6 the inners are connected with mesh-like metal antenna 3, and mesh-like metal antenna 3 is electrically connected with radio-frequency electrode 8, DC electrode 9 respectively.
Mesh-like metal antenna 3 has a slice at least, and its mesh is the hole, garden of diameter 3～20mm, and the mesh center of circle is spaced apart 3～20mm.The shape of mesh-like metal antenna 3 and canister 1 inwall are suitable, and the spacing of itself and canister 1 inwall is 5mm～30mm, and light sensor 16 is between canister and mesh-like metal antenna.
Canister 1 central part is provided with plymetal 7, and plymetal 7 is surrounded by mesh-like metal antenna 3, and plymetal 7 is affixed through insulation support and canister 1 inwall.
Canister 1 connects with vacuum pump 4 by vacuum ripple pipe 5 and is connected, and connects with hydrogen peroxide storage bottle 17 by silica gel catheter 20 to be connected, and silica gel catheter 20 is provided with peristaltic pump 18, and peristaltic pump 18 is accurate priming device.Hydrogen peroxide storage bottle 17 is that plastics or other resistant materials are made, and corresponding fixture and decompressor are arranged, and prevents that the hydrogen peroxide volatilization from causing pressure excessive, and liquid level sensor 19 is arranged in it, and liquid level sensor 19 is that plastics or other resistant materials are made.The port of silica gel catheter 20 in canister 1 the part on the mesh-like metal antenna 3 is had hydrogen peroxide baffle plate 21, hydrogen peroxide baffle plate 21 is that plastics or other resistant materials are made.
Radio-frequency electrode 8 orders on canister 1 inwall are electrically connected with adaptive RF bonder 12, the radio-frequency power supply 10 outside the canister 1; DC electrode 9 is electrically connected with canister 1 dc source 11 outward.
Canister 1 outside Zhou Yuan is provided with canister heating jacket 24, is provided with external temperature sensor 25 in the canister heating jacket 24.
Cyclelog 27 is positioned at outside the canister 1, be electrically connected with liquid level sensor 19 through holding wire 26, and be electrically connected with vacuum pump 4, radio-frequency power supply 10, dc source 11, adaptive RF bonder 12, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16 and the anti-travel switch 23 of pressing respectively.
Operation principle of the present utility model is such: will need the medical apparatus and instruments packing of sterilization to be placed on the plymetal 7 in the canister 1 with non-woven fabrics, close crown cap door 2, start vacuum pump 4, extract the gas in the canister 1, inject hydrogen peroxide by peristaltic pump 18, restart radio-frequency power supply 10, the electromagnetic wave that radio-frequency electrode 8 is produced arrives 1 li of canister by transmission line, form the radio-frequency discharge district at mesh-like metal antenna 3 and canister 1 inwall, hydrogen peroxide gas forms plasma through after the ionization, wherein include molecule, excited atom, metastable atom, particle and ultraviolet such as free radical, gamma-rays, charged cloud form materials such as β ray, at this moment by being built in the generation of the light sensor 16 detection sterilization process aura phenomenons in the canister 1, if detect the aura phenomenon is arranged, then continue to carry out isoionic discharge with radio-frequency electrode 8, and the power that takes place by adaptive RF bonder 12 impedance adjustment radio-frequency power supplies, make it be in the Best Coupling state, the electromagnetic wave of emission makes the gas ionization in the sealed metal container 1, form the plasma of uniform large-area, at this moment plasma enters the packing medical apparatus and instruments on the plymetal 7 on the insulating support by the sieve screen apertures on the mesh-like metal antenna 3, carries out the low-temperature plasma sterilization.If light sensor 16 does not detect the generation of aura phenomenon, then start dc source 11, and the power that takes place by self-adaptive direct flow impedance adjusting dc source carries out corona discharge by DC electrode 9, after DC electrode 9 is discharged successfully, restart radio-frequency power supply 10 and carry out work, the gas of radio-frequency electrode 8 in canister 1 under the state of build-up of luminance, is easy to build-up of luminance, has so just guaranteed the generation of the plasma of uniform large-area.
Hydrogen peroxide belongs to high effect disinfectants, has wide spectrum, efficiently, characteristics fast, in the time of 60 ℃, 10% hydrogen peroxide can be killed spore with 1min, in the time of 10 ℃, 10% hydrogen peroxide needs 200min just spore can be killed, under isoionic synergism, its sterilization usefulness greatly strengthens, so the week circle adds canister heating jacket 24 and detects the temperature sensor 25 that external temperature is used in the outside of canister 1, can accurately control canister 1 temperature inside, makes canister 1 inside be in 60-70 ℃, be the temperature of disinfectant with hydrogen peroxide usefulness the best, can strengthen the sterilization effect of low-temperature plasma sterilization so greatly.
In sum, the utility model advantage is: 1, can at any time detect the plasma situation, Avoid the build-up of luminance failure; 2, AC DC hybrid starting device has improved the sterilization success rate; 3, use Canister external heat cover heats, and has improved the sterilization effect of hydrogen peroxide.
Claims (8)
1. the AC and DC mixing build-up of luminance low temperature plasma bactericidal unit with self-checking function comprises canister, mesh-like metal antenna, vacuum pump, dielectric support block, plymetal, plasma power supply, adaptive RF bonder, vacuometer, internal temperature sensor, humidity sensor, hydrogen peroxide storage bottle, peristaltic pump, liquid level sensor, silica gel catheter, hydrogen peroxide baffle plate, holding wire, cyclelog; It is characterized in that:
Canister one end has the crown cap door, and the crown cap door is provided with observation window, the anti-travel switch of pressing, and between canister side and the crown cap door sealing ring is arranged; The canister inwall is provided with dielectric support block, radio-frequency electrode, DC electrode, vacuometer, internal temperature sensor, humidity sensor, light sensor; Dielectric support block the inner is connected with the mesh-like metal antenna, and the mesh-like metal antenna is electrically connected with radio-frequency electrode;
The mesh-like metal antenna has a slice at least, and its shape and canister inwall are suitable, and with the spacing of canister inwall be 5mm～30mm, light sensor is between canister and mesh-like metal antenna;
The canister central part is provided with plymetal, and plymetal is surrounded by the mesh-like metal antenna, and plymetal is affixed through insulation support and canister inwall;
Canister connects with vacuum pump by the vacuum ripple pipe and is connected, and connects with hydrogen peroxide storage bottle by silica gel catheter to be connected, and silica gel catheter is provided with peristaltic pump; In the hydrogen peroxide storage bottle liquid level sensor is arranged, the port of silica gel catheter in canister the part on the mesh-like metal antenna is had the hydrogen peroxide baffle plate;
Radio-frequency electrode order on the canister inwall is electrically connected with adaptive RF bonder, the radio-frequency power supply outside the canister; DC electrode is electrically connected with canister dc source outward;
Cyclelog is positioned at outside the canister, be electrically connected with liquid level sensor through holding wire, and be electrically connected with vacuum pump, radio-frequency power supply, dc source, adaptive RF bonder, vacuometer, internal temperature sensor, humidity sensor, light sensor and the anti-travel switch of pressing respectively.
2. plasma sterilization device as claimed in claim 1 is characterized in that: described canister is cylindrical or cube, frame ground.
3. plasma sterilization device as claimed in claim 1 is characterized in that: described observation window, be equipped with the metal twine of a radiation-resistant leaded safety glass and a shielding action.
4. plasma sterilization device as claimed in claim 1 is characterized in that: described mesh-like metal antenna, its mesh are the hole, garden of diameter 3～20mm, and the mesh center of circle is 3～20mm at interval.
5. plasma sterilization device as claimed in claim 1 is characterized in that: whether described light sensor is to have the aura phenomenon to produce when detecting plasma sterilization.
6. plasma sterilization device as claimed in claim 1 is characterized in that: described light sensor is to detect to contain wavelength ultraviolet light between 100nm～400nm.
7. plasma sterilization device as claimed in claim 1 is characterized in that: described hydrogen peroxide storage bottle, liquid level sensor, hydrogen peroxide baffle plate are that plastics or other resistant materials are made.
8. plasma sterilization device as claimed in claim 1 is characterized in that: described canister, Zhou Yuan is provided with the canister heating jacket in its outside, is provided with external temperature sensor in the canister heating jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041413U CN201020056Y (en) | 2007-04-05 | 2007-04-05 | AC DC hybrid starting low-temperature plasma sterilization device with self-checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041413U CN201020056Y (en) | 2007-04-05 | 2007-04-05 | AC DC hybrid starting low-temperature plasma sterilization device with self-checking function |
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| Publication Number | Publication Date |
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| CN201020056Y true CN201020056Y (en) | 2008-02-13 |
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| CNU2007201041413U Expired - Fee Related CN201020056Y (en) | 2007-04-05 | 2007-04-05 | AC DC hybrid starting low-temperature plasma sterilization device with self-checking function |
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| CN (1) | CN201020056Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810870A (en) * | 2010-04-16 | 2010-08-25 | 北京白象新技术有限公司 | Method and device for controlling precise measurement of hydrogen sulfide pulsation injecting liquid through pressure degenerative feedbacks |
| CN102363045A (en) * | 2011-10-20 | 2012-02-29 | 中国人民解放军第四军医大学 | A compound disinfection and sterilization device and method |
| CN102921675A (en) * | 2011-08-10 | 2013-02-13 | 中国科学院微电子研究所 | A new type of atmospheric pressure plasma free radical cleaning spray gun with large area discharge |
| WO2022127772A1 (en) * | 2020-12-14 | 2022-06-23 | 北京北清博育空气灭菌科技有限公司 | Plasma air sterilizer assembly |
-
2007
- 2007-04-05 CN CNU2007201041413U patent/CN201020056Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810870A (en) * | 2010-04-16 | 2010-08-25 | 北京白象新技术有限公司 | Method and device for controlling precise measurement of hydrogen sulfide pulsation injecting liquid through pressure degenerative feedbacks |
| CN101810870B (en) * | 2010-04-16 | 2012-09-05 | 北京白象新技术有限公司 | Method and device for controlling precise measurement of hydrogen peroxide pulsation injecting liquid through pressure negative feedbacks |
| CN102921675A (en) * | 2011-08-10 | 2013-02-13 | 中国科学院微电子研究所 | A new type of atmospheric pressure plasma free radical cleaning spray gun with large area discharge |
| CN102363045A (en) * | 2011-10-20 | 2012-02-29 | 中国人民解放军第四军医大学 | A compound disinfection and sterilization device and method |
| CN102363045B (en) * | 2011-10-20 | 2013-09-18 | 中国人民解放军第四军医大学 | Composite disinfecting and sterilizing device and method |
| WO2022127772A1 (en) * | 2020-12-14 | 2022-06-23 | 北京北清博育空气灭菌科技有限公司 | Plasma air sterilizer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: AC DC hybrid starting low-temperature plasma sterilization device with self-checking function Effective date of registration: 20101228 Granted publication date: 20080213 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Baixiang Science & Technology Co., Ltd. Registration number: 2010990001030 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: AC DC hybrid starting low-temperature plasma sterilization device with self-checking function Effective date of registration: 20101228 Granted publication date: 20080213 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Baixiang Science & Technology Co., Ltd. Registration number: 2010990001030 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20160405 |