WO2021243999A1 - Dispositif de désinfection à l'ozone qui élimine activement l'ozone, système de désinfection à l'ozone et méthode de désinfection à l'ozone - Google Patents

Dispositif de désinfection à l'ozone qui élimine activement l'ozone, système de désinfection à l'ozone et méthode de désinfection à l'ozone Download PDF

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Publication number
WO2021243999A1
WO2021243999A1 PCT/CN2020/134302 CN2020134302W WO2021243999A1 WO 2021243999 A1 WO2021243999 A1 WO 2021243999A1 CN 2020134302 W CN2020134302 W CN 2020134302W WO 2021243999 A1 WO2021243999 A1 WO 2021243999A1
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WIPO (PCT)
Prior art keywords
ozone
interface
disinfected
disinfection
circumferential wall
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PCT/CN2020/134302
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English (en)
Chinese (zh)
Inventor
何礼桂
Original Assignee
深圳市三一进取技术有限公司
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Publication of WO2021243999A1 publication Critical patent/WO2021243999A1/fr

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Classifications

    • 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
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/202—Ozone
    • 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
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • 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
    • A61L2/24—Apparatus using programmed or automatic operation
    • 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
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
    • B01D53/8675—Ozone
    • 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
    • A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps

Definitions

  • the invention relates to the technical field of sterilization and disinfection applications, in particular to equipment that can sterilize ventilators and mask hoses, and more specifically, to an ozone disinfection device, an ozone disinfection system, and an ozone disinfection method for actively removing ozone.
  • Ozone disinfection has many advantages, such as good sterilization effect, thorough diffusion of dead space, low cost, environmental protection, and harmless inhalation of a small amount of human body.
  • ozone disinfection is not perfect and has its own shortcomings. Because many disinfection products on the market use ozone to sterilize the items to be disinfected in a closed space, and a certain ozone concentration is required to achieve the anti-virus effect. It takes a certain time for the residual ozone to decay after disinfection. After the sterilization and disinfection process is completed, there is still a large amount of excess ozone in the enclosed space. If no measures are taken to recover and remove all the residual ozone, it will often cause the items to be disinfected. It will be accompanied by a pungent and unpleasant odor, and large amounts of inhalation will also harm human health.
  • the mainstream solution to this problem on the market is to place consumables such as activated carbon inside the disinfection device, but the activated carbon needs to be replaced regularly, which will increase the user's cost and inconvenience.
  • the disinfection device is used to disinfect the interior of the equipment to be disinfected (for example, a ventilator, etc.)
  • the activated carbon cannot remove odors from the ozone remaining in the pipeline connecting the equipment to be disinfected and the inside of the equipment to be disinfected.
  • the time and effect of activated carbon deodorization are not ideal, and activated carbon will occupy the limited space inside the disinfection equipment.
  • the technical problem to be solved by the present invention is to provide an ozone disinfection device that actively removes ozone. After the disinfection is completed, it can quickly filter out the ozone residues inside itself and the equipment to be disinfected (for example, ventilator, etc.). Air processing realizes high-speed elimination of ozone residues inside itself and the equipment to be disinfected, and at the same time does not cause ozone pollution to the surrounding environment.
  • the technical solution adopted by the present invention is to provide an ozone disinfection device that actively removes ozone, including:
  • the sterilization airtight cabin is used for accommodating items to be sterilized or temporarily storing ozone, and the sterilization airtight cabin is in communication with a vent;
  • the gas distribution unit includes a first interface, a second interface, and a third interface that communicate with each other, wherein the third interface is in communication with the vent hole;
  • An ozone generator for generating ozone and injecting the generated ozone into the disinfection sealed cabin through the first interface of the gas distribution unit;
  • the air pump is used to extract the sterilized residual ozone from the sterilization sealed cabin and discharge it to the outside. outside world;
  • a filter connected to the suction pump, and used to eliminate ozone flowing into or out of the suction pump;
  • the control module is used to connect and control the operation of the ozone generator and the suction pump.
  • the first interface of the gas distribution unit can be connected to the ozone generator through a first pipeline, and the second interface of the gas distribution unit can be connected to the pump through a third pipeline. air pump.
  • the ozone generated by the ozone generator is diverted to the sterilization sealed cabin through the gas distribution unit to perform sterilization treatment on the items to be sterilized placed in the sterilization sealed cabin.
  • the suction pump is started, and the residual ozone in the disinfection chamber and the first pipeline and the third pipeline can be pumped to the filter connected to the suction pump, and the filter eliminates the ozone flowing through and discharges it. It is empty, so as to eliminate the internal odor of the ozone disinfection device itself, and at the same time, it will not cause ozone pollution to the surrounding environment.
  • the filter is connected between the air inlet of the suction pump and the second interface of the gas distribution unit. That is to say, after starting the suction pump, the ozone residues in the sterile sealed chamber and the first pipeline and the third pipeline first flow into the filter for elimination treatment, and then flow through the suction pump, and finally evacuated.
  • the filter is connected to the exhaust port of the suction pump.
  • the suction pump is started, the ozone residues in the disinfection chamber and the first pipeline and the third pipeline first flow through the suction pump, and then flow into the filter, which eliminates ozone After emptying.
  • the filter is filled with particulate matter for catalyzing ozone decomposition.
  • the ozone flowing through the filter will be quickly decomposed into non-polluting oxygen under the action of the particulate matter, ensuring the environmental protection of the ozone disinfection device.
  • the gas distribution unit has a fourth interface communicating with the first interface, the second interface, and the third interface, and the fourth interface is used to pass through
  • the disinfection hose is connected with the equipment to be disinfected.
  • the ozone generated by the ozone generator can also be diverted to the inside of the equipment to be disinfected through the gas distribution unit, so that the equipment to be disinfected (for example, medical equipment such as a ventilator) can be disinfected.
  • the equipment to be disinfected for example, medical equipment such as a ventilator
  • the suction pump is started, and the ozone remaining in the equipment to be disinfected and the hose to be disinfected can also be discharged out of the equipment to be disinfected after the elimination process of the filter, so as to eliminate the disinfected items
  • the purpose of residual ozone and peculiar smell does not produce ozone pollution in the surrounding environment of the disinfection equipment.
  • the ozone disinfection device further includes a sealing plug;
  • the gas distribution unit has a fourth interface communicating with the first interface, the second interface, and the third interface;
  • the sealing plug is used to block the fourth interface.
  • the ozone disinfection device can realize the switching of the use mode. Specifically, when we only need to sterilize the articles to be sterilized placed in the sterile sealed cabin, we can use the sealing plug to block the fourth interface. When we need to disinfect the equipment to be disinfected, we only need to pull out the sealing plug, and then connect the fourth interface to the equipment to be disinfected.
  • the gas distribution unit includes: an outer circumferential wall, a spacer plate with an edge connected to the inner side of the outer circumferential wall, and an inner circumferential wall with one end connected to the spacer plate;
  • the partition plate divides the inner space of the outer circumferential wall into a first cavity and a second cavity, and the inner circumferential wall is located in the second cavity.
  • the spacer plate has a central blocking portion located inside the inner circumferential wall and a peripheral blocking portion located between the inner circumferential wall and the outer circumferential wall, and the central blocking portion is provided with a plurality of through holes.
  • the part forms the fourth interface.
  • the second interface is connected to a portion of the outer circumferential wall surrounding the first cavity, and the second interface is directly connected to the first cavity.
  • the first interface is connected to a portion of the outer circumferential wall surrounding the first cavity, and the first interface is directly connected to the first cavity.
  • the ozone disinfection device includes an inner shell and an upper cover, the inner shell includes a box with an open opening at the upper end, and the upper cover is used to open or close the open opening;
  • a safety switch electrically connected to the control module is provided on the side wall of the box body; When the upper cover opens the opening, the power source is disconnected.
  • the ozone disinfection device will only work when the upper cover is closed; and when the upper cover is opened, the ozone disinfection device will automatically stop.
  • the accidental opening of the upper cover can prevent the continuous leakage of ozone.
  • the ozone disinfection device further includes an outer shell with an open upper end, and the inner shell, the ozone generator and the suction pump are all contained in the outer shell;
  • the side wall is provided with a circular through hole corresponding to the fourth interface; the upper cover is rotatably connected to the upper end opening of the housing.
  • the ozone disinfection device has strong integrity and beautiful appearance.
  • the control module includes a display screen for displaying work progress, the display screen is arranged on the inner side of the housing, and the housing is provided with a position corresponding to the display screen. Transparent area.
  • the side wall of the housing is provided with a circular through hole, and the fourth interface is exposed to the housing through the circular through hole.
  • the fourth interface is exposed to the housing to facilitate the plugging and unplugging of the sealing plug, which improves the efficiency of switching the usage mode.
  • the present invention also provides an ozone disinfection system, including: equipment to be disinfected, items to be disinfected, and the above-mentioned ozone disinfection device;
  • the equipment to be disinfected includes at least a ventilator and a hose to be disinfected;
  • the items to be disinfected include at least a face mask
  • the opposite ends of the hose to be disinfected are respectively connected to the ventilator and the gas distribution unit;
  • the face mask is contained in the sterile sealed cabin.
  • the gas distribution unit includes a first interface, a second interface, a third interface, and a fourth interface that communicate with each other.
  • the first interface is in communication with the ozone generator, and the The second interface is in communication with the suction pump, the third interface is in communication with the vent hole, and the fourth interface is in communication with the hose to be disinfected.
  • the hose to be disinfected is connected to the air outlet of the ventilator.
  • the air inlet of the ventilator is blocked by a sealing plug.
  • the gas distribution unit includes: an outer circumferential wall, a spacer plate with an edge connected to the inner side of the outer circumferential wall, and an inner circumferential wall connected with the spacer plate at one end; the spacer plate The inner space of the outer circumferential wall is divided into a first cavity and a second cavity, the inner circumferential wall is located in the second cavity; the spacer plate has a central block located inside the inner circumferential wall Part and a peripheral blocking part located between the inner circumferential wall and the outer circumferential wall, the central blocking part is provided with a plurality of through holes to make the inner space of the inner circumferential wall and the first The cavity is in communication; the first cavity and the outer circumferential wall form the third interface; the inner circumferential wall and the central blocking portion form the fourth interface; the second interface is connected to the The part of the outer circumferential wall surrounding the first cavity, the second interface is directly connected to the first cavity; the first interface is connected to the outer circumferential
  • the present invention also provides another ozone disinfection system, which includes: an item to be disinfected and the above-mentioned ozone disinfection device; the item to be disinfected at least includes a face mask, and the face mask is housed in the disinfection sealed cabin;
  • the gas distribution unit includes a first interface, a second interface, a third interface, and a fourth interface that communicate with each other.
  • the first interface is in communication with the ozone generator, and the second interface is in communication with the suction pump.
  • the third interface is in communication with the vent hole, and the fourth interface is blocked by a sealing plug.
  • the gas distribution unit includes: an outer circumferential wall, a spacer plate with an edge connected to the inner side of the outer circumferential wall, and an inner circumferential wall connected with the spacer plate at one end; the spacer plate The inner space of the outer circumferential wall is divided into a first cavity and a second cavity, the inner circumferential wall is located in the second cavity; the spacer plate has a central block located inside the inner circumferential wall Part and a peripheral blocking part located between the inner circumferential wall and the outer circumferential wall, the central blocking part is provided with a plurality of through holes to make the inner space of the inner circumferential wall and the first The cavity is in communication; the first cavity and the outer circumferential wall form the third interface; the inner circumferential wall and the central blocking portion form the fourth interface; the second interface is connected to the The part of the outer circumferential wall surrounding the first cavity, the second interface is directly connected to the first cavity; the first interface is connected to the outer circumferential
  • the present invention also provides an ozone disinfection method.
  • the ozone disinfection method is implemented by the above-mentioned ozone disinfection device, and the ozone disinfection method includes the following steps:
  • the control module starts the ozone generator, and the ozone of the ozone generator flows into the sterilization sealed cabin through the gas distribution unit to sterilize the items to be sterilized;
  • the control module controls the ozone generator to stop working and starts the air extraction pump, which extracts all the ozone remaining in the sterile sealed chamber to the filter;
  • the filter is emptied after catalytically decomposing the passing ozone.
  • the ozone generator outputs a certain amount of ozone so that the ozone concentration in the disinfection sealed cabin is not lower than the concentration value that can kill the conventional germs in the ventilator.
  • the gas distribution unit has a fourth interface communicating with the first interface, the second interface, and the third interface; the ozone disinfection method further includes the following steps:
  • the present invention also provides another ozone disinfection method.
  • the ozone disinfection method is implemented by the above-mentioned ozone disinfection device, and the ozone disinfection method includes the following steps:
  • the control module activates the ozone generator, and the ozone of the ozone generator flows into the disinfection equipment and the disinfection sealed cabin through the gas distribution unit to disinfect the equipment to be disinfected and the items to be disinfected;
  • the control module controls the ozone generator to stop working and starts the suction pump, and the suction pump extracts all the ozone remaining in the equipment to be disinfected and the inside of the disinfection sealed cabin to the filter;
  • the filter is emptied after catalytically decomposing the passing ozone.
  • the ozone disinfection method provided by the present invention is characterized in that a certain amount of ozone output by the ozone generator is such that the ozone concentration in the equipment to be disinfected and the disinfection sealed cabin is not lower than that in the ventilator. Concentration value of germs.
  • the ozone generated by the ozone generator is diverted to the sterilization and sealed cabin through the gas distribution unit to sterilize the items to be sterilized placed in the sterilization and sealed cabin; after the disinfection is completed, the suction pump can be started, and the disinfection and sealed cabin and the first
  • the ozone residue in the pipeline and the second pipeline is pumped to the filter connected to the suction pump, and the filter eliminates the ozone flowing through and then empties it, thereby eliminating the internal odor of the ozone disinfection device itself, and at the same time, it will not Ozone pollution occurs in the surrounding environment.
  • the ozone generated by the ozone generator can also be diverted to the inside of the equipment to be disinfected through the gas distribution unit, so that the equipment to be disinfected can be disinfected.
  • the ozone remaining in the equipment to be disinfected and the hose to be disinfected can also be discharged to the outside of the equipment to be disinfected, so as to eliminate the internal odor of the equipment to be disinfected, and at the same time, it will not Ozone pollution occurs in the surrounding environment of the equipment to be disinfected.
  • the equipment to be disinfected may be medical equipment such as a ventilator, or other equipment on the market that requires ozone disinfection and odor removal.
  • the ozone disinfection device can be switched between different usage modes, realizing a machine with dual functions (disinfecting equipment to be disinfected or performing disinfection treatment on items to be disinfected). Disinfection treatment), and the switching is quick and convenient.
  • the structural design of the gas distribution unit fully takes into account factors such as the smooth air flow and the size of the air pressure, so as to achieve the best exhaust effect and facilitate the smooth discharge of residual ozone.
  • the safety switch can realize that the ozone disinfection device will only work when the upper cover is closed; and when the upper cover is opened, the ozone disinfection device will automatically stop. Thus, the accidental opening of the upper cover can prevent the continuous leakage of ozone.
  • Figure 1 is a three-dimensional exploded view of the ozone disinfection device provided by the present invention
  • Figure 2 is a three-dimensional assembly diagram of the ozone disinfection device provided by the present invention.
  • FIG. 3 is a reference diagram of the use state of the ozone disinfection device provided by the present invention.
  • the ozone disinfection device in the figure is connected to the equipment to be disinfected through the hose to be disinfected.
  • the items to be disinfected and the equipment to be disinfected can be ozone disinfected at the same time ;
  • Figure 4 is a simplified view of the ozone disinfection device provided by the present invention in the state shown in Figure 3;
  • Figure 5 is a working principle diagram of the ozone disinfection device provided by the present invention.
  • FIG. 6 is a reference diagram of another use state of the ozone disinfection device provided by the present invention. In this state, only the items to be disinfected are subjected to ozone disinfection treatment;
  • Figure 7 is a partial enlarged view of Figure 1;
  • Fig. 8 is a schematic structural diagram of the gas distribution unit of the ozone disinfection device provided by the present invention.
  • the first interface 161 The first interface 161
  • the first pipeline 171 The first pipeline 171
  • Second pipeline 172 Second pipeline 172
  • the directional indication is only used to explain that it is in a specific posture (as shown in the drawings). Show) the relative positional relationship, movement situation, etc. between the components below, if the specific posture changes, the directional indication will also change accordingly.
  • first and second used in this specification can be used to describe various constituent elements, but these constituent elements are not limited by these terms. The purpose of using these terms is only to distinguish one element from other elements.
  • first constituent element may be named as the second constituent element, and similarly, the second constituent element may also be named as the first constituent element.
  • the ozone disinfection device 100 can be used to perform ozone disinfection on the object 200 to be disinfected, and can also perform ozone disinfection on the inside of the equipment 300 to be disinfected.
  • the article to be disinfected 200 may be, but not limited to, a ventilator accessory (ventilator, ventilator hose, ventilator mask, etc.) or eating utensils or clothing and bedding.
  • the device to be disinfected 300 may but not Limited to medical equipment such as ventilators.
  • the ozone disinfection device 100 includes a disinfection capsule 11, a gas distribution unit 16, an ozone generator 13, a filter 15, a control module 12 and an air pump 14.
  • the disinfection and hermetic cabin 11 is used for accommodating items 200 to be disinfected or temporarily storing ozone.
  • the disinfection and hermetic cabin 11 is in communication with a vent hole 165;
  • the gas distribution unit 16 includes a first interface 161, a second interface 162, and a third interface that communicate with each other.
  • the interface 163 and the fourth interface 164 wherein the third interface 163 is in communication with the vent hole 165; the ozone generator 13 is used to generate ozone and inject the generated ozone through the first interface 161 of the gas distribution unit 16
  • the first interface 161 is connected to the ozone generator 13 through a first pipeline 171;
  • the suction pump 14 is used to extract the disinfected residual ozone from the disinfection sealed cabin 11 Until the filter 15 is filtered and discharged to the outside, its air inlet is connected to the sterilization sealed cabin 11 through the second interface 162 of the gas distribution unit 16, and the air outlet is connected to the outside; the filter 15 is connected to the
  • the suction pump 14 is connected to eliminate ozone flowing into or out of the suction pump 14; the control module 12 is used to connect and control the operation of the ozone generator 13 and the suction pump 14.
  • the filter 15 is connected between the air inlet of the suction pump 14 and the second interface 162 of the gas distribution unit 16.
  • the filter 15 and the second interface 162 are connected through a third pipeline 173, and the filter 15 and the air suction pump 14 are connected through a second pipeline 172.
  • the gas distribution unit 16 also has a fourth interface 164 communicating with the first interface 161, the second interface 162, and the third interface 163, and the fourth interface 164 is used to pass through the soft
  • the tube communicates with the equipment 300 to be disinfected.
  • the filter 15 is filled with particulate matter for catalyzing ozone decomposition.
  • the particulate matter may be manganese oxide.
  • the ozone disinfection device 100 when used to sterilize the items 200 to be disinfected and the equipment 300 (ventilators) to be disinfected at the same time, the items 200 to be disinfected are placed in the sterilization sealed cabin 11 (as shown in FIG. 4), The upper cover 103 is covered, and the equipment 300 to be disinfected is connected to the fourth interface 164 through the hose 301 to be disinfected.
  • FIG. 4 which mainly uses lines and arrows to facilitate understanding.
  • the solid line represents the path through which ozone is outputted by the ozone generator 13 for disinfection
  • the dotted line represents the path through which ozone is pumped back by the suction pump 14 to filter and decompose.
  • the ozone generator 13, the suction pump 14, and the filter 15 are installed in the interlayer between the outer shell 102 and the inner shell 101.
  • the control module 12 issues instructions to start the ozone generator 13.
  • the ozone generated by the ozone generator 13 first reaches the gas distribution unit 16, and then is diverted through the gas distribution unit 16, and a part of the ozone enters the disinfection sealed compartment 11.
  • Another part of ozone enters the inside of the ventilator along the hose to be disinfected (the shadow in the ventilator is water, if there is water in the ventilator's water tank, the ozone cannot penetrate to the bottom of the tank).
  • the ozone generator 13 stops working, and the control module 12 issues an instruction to the suction pump 14, and the suction pump 14 starts to work to generate a strong negative pressure, and the ozone inside the disinfection chamber 11 and the ventilator is along the original path of the gas distribution unit 16. Withdrawing, all ozone will be drawn back to the filter 15, and the ozone oxidant filled in the filter 15 will quickly decompose the ozone, so there will be no ozone in the gas discharged by the suction pump 14.
  • the ozone disinfection device 100 performs ozone disinfection on the items to be disinfected 200 and the equipment 300 to be disinfected in the working process (see Figure 5, the solid line segment in Figure 5 represents the circuit control line, and the solid arrow represents the ozone output disinfection Route, the dashed line segment represents the ozone extraction filter route):
  • the ozone generated by the ozone generator 13 is diverted to the sterilization capsule 11 through the gas distribution unit 16 to sterilize the items to be sterilized 200 placed in the sterilization capsule 11; after the sterilization is completed, the suction pump 14 can be activated.
  • the ozone residues in the disinfection capsule 11 and the first pipeline 171 and the third pipeline 173 are extracted and passed into the filter 15.
  • the particulate matter in the filter 15 catalytically decomposes the ozone.
  • the ozone is decomposed Pollution-free oxygen is formed, and finally discharged to the outside of the disinfection sealed cabin 11 through the exhaust port of the air pump 14, thus eliminating the internal odor of the ozone disinfection device 100 itself;
  • the ozone generated by the ozone generator 13 can also be diverted to the inside of the equipment 300 to be disinfected through the gas distribution unit 16, so that the equipment 300 to be disinfected (for example, medical equipment such as a ventilator) can be disinfected.
  • the equipment 300 to be disinfected for example, medical equipment such as a ventilator
  • the suction pump 14 is started, and the ozone remaining in the equipment 300 to be disinfected and the hose to be disinfected can also be discharged into the filter 15, and the particulate matter in the filter 15 catalyzes the ozone After decomposition, ozone is decomposed to form pollution-free oxygen, which is finally discharged to the outside of the equipment 300 to be disinfected through the exhaust port 141 of the suction pump 14, thereby eliminating the peculiar smell inside the equipment 300 to be disinfected.
  • the ozone residues in the sterilization sealed cabin 11, the first pipeline 171 and the third pipeline 173, the equipment to be sterilized 300 and the ozone residues in the hose to be sterilized are all catalytically decomposed by the filter 15 After being emptied, it will not cause ozone pollution to the external environment.
  • the use of the ozone disinfection device 100 can quickly perform ozone disinfection on the items 200 to be disinfected and the equipment 300 to be disinfected, and can actively recover the ozone generated during the decomposition and disinfection process, ensuring the personal safety and environmental health of users.
  • the filter 15 may be designed to be connected to the exhaust port 141 of the suction pump 14.
  • the ozone residues in the disinfection capsule 11 and the first pipeline 171 and the third pipeline 173 first flow through the suction pump 14, and then flow into the filter 15.
  • the device 15 is emptied after eliminating ozone.
  • the ozone disinfection device 100 further includes a sealing plug 166; the sealing plug 166 is used to block the fourth interface 164.
  • the sealing plug 166 is used to block the fourth interface 164. In this way, when we only need to sterilize the articles 200 to be sterilized placed in the sterilization sealed compartment 11, the fourth interface 164 can be blocked by the sealing plug 166 to prevent the ozone generated during the working process. Escape from the fourth interface 164 (see FIG. 6).
  • the ozone can be generated
  • the device 13 is equipped with an electromagnetic pump or a blower fan to improve work efficiency.
  • the gas distribution unit 16 includes an outer circumferential wall 1601, a spacer plate 1602 with an edge connected to the inner side of the outer circumferential wall 1601, and an inner wall connected to the spacer plate 1602 at one end.
  • the spacer 1602 divides the inner space of the outer circumferential wall 1601 into a first cavity 1604a and a second cavity 1604b, and the inner circumferential wall 1603 is located in the second cavity 1604b.
  • the spacer 1602 has a central blocking portion 1605 located inside the inner circumferential wall 1603 and a peripheral blocking portion 1606 located between the inner circumferential wall 1603 and the outer circumferential wall 1601.
  • the central blocking portion 1605 is provided with a plurality of through holes 1607 so that the inner space of the inner circumferential wall 1603 communicates with the first cavity 1604a.
  • the plurality of through holes 1607 includes A circular ventilating through hole 1608 at the center, a plurality of inner arc-shaped through holes 1609a surrounding the circular ventilating through hole 1608, and a plurality of outer arc-shaped through holes 1609b surrounding the circular ventilating through hole 1608 .
  • the peripheral blocking portion 1606 separates the first cavity 1604a and the second cavity 1604b.
  • the first cavity 1604a and the outer circumferential wall 1601 form the third interface 163; the inner circumferential wall and the central blocking portion form the fourth interface 164.
  • the second interface 162 has a cylindrical shape and is connected to a portion of the outer circumferential wall 1601 surrounding the first cavity 1604a, and the second interface 162 directly communicates with the first cavity 1604a.
  • the first interface 161 has a cylindrical shape and is connected to a portion of the outer circumferential wall 1601 surrounding the first cavity 1604a, and the first interface 161 directly communicates with the first cavity 1604a.
  • the second interface 162 and the first interface 161 are located on the same side and arranged in parallel to facilitate internal pipeline connection.
  • the third interface 163 and the vent hole 165 are in a sealed connection.
  • a first sealing ring is added between the third interface 163 and the vent hole 165. 181 to achieve a sealed connection to prevent gas from leaking from the gap between the gas distribution unit 16 and the inner shell 101.
  • glue or other sealing methods can also be used.
  • the ozone disinfection device 100 includes an inner shell 101 and an upper cover 103.
  • the inner shell 101 includes a box with an open upper end, and the vent hole 165 is opened in the box.
  • the lower part is in communication with the sterilization sealed compartment 11;
  • the upper cover 103 is used to open or close the open opening;
  • the side wall of the box body is provided with a safety switch 191 electrically connected to the control module 12;
  • the safety switch 191 is used to turn on the power when the upper cover 103 is sensed to close the open opening, and to turn off the power when the upper cover 103 is sensed to open the open opening; the ozone disinfection device 100 also
  • the housing 102 includes an open upper end.
  • the inner housing 101, the ozone generator 13 and the suction pump 14 are all contained in the housing 102; when the upper cover 103 closes the open opening, the inner housing 101
  • the shell 101, the upper cover 103 and the outer shell 102 jointly enclose and form the sterilization sealed compartment 11.
  • the edge of the open opening of the box body is provided with a concession hole 193 penetrating up and down and an elastic block 192 movably arranged in the concession hole 193;
  • the safety switch 191 is a light touch switch, which has a metal touch piece, the safety switch 191 is installed on the side wall of the box and is located directly below the relief hole 193, and the metal touch piece is directed upwards And contact with the lower end of the elastic block 192; one side of the upper cover 103 is hinged with the housing 102, the upper cover 103 opens or closes the open opening in an overturning manner, and the edge of the upper cover 103 A pushing block 194 is protrudingly provided.
  • the pushing block 194 can just press the elastic block 192 and push the metal trigger piece to The safety switch 191 is closed to turn on the power; on the contrary, when the upper cover 103 is screwed up to open the open opening, the metal touch piece is no longer affected by the pushing block 194 and the elastic block The rebound of 192's pressure caused the power supply to be disconnected. In this way, it can be realized that only when the upper cover 103 is closed, the ozone disinfection device 100 will work; and when the upper cover 103 is opened, the ozone disinfection device 100 will automatically stop. Thereby, it is prevented that the upper cover 103 is accidentally opened to cause continuous leakage of ozone.
  • the safety opening may be a non-contact switch, such as an infrared sensor.
  • the upper cover 103 is provided with a frame-shaped sealing groove, and a matching second sealing ring 182 is fixed in the sealing groove.
  • the second sealing The ring 182 can seal the gap between the upper cover 103 and the sterilization sealed compartment 11, thereby preventing ozone from leaking out during the working process.
  • an opening button is provided on the outer side of the upper cover 103 to realize one-handed opening and closing of the upper cover 103.
  • the ozone disinfection device 100 further includes a housing 102 with an open upper end and a bottom cover 104 fixed at the bottom of the housing 102.
  • the disinfection airtight compartment 11, the ozone generator 13 and the The suction pumps 14 are all contained in the housing 102.
  • a circular through hole 1021 corresponding to the fourth interface 164 is provided on the side wall of the housing 102, and the fourth interface 164 penetrates through the circular shape.
  • the hole 1021 is exposed from the housing 102.
  • the housing 102 houses the other components of the ozone disinfection device 100 together, so that the ozone disinfection device 100 has a strong integrity and beautiful appearance.
  • the fourth interface 164 is exposed on the housing 102 to facilitate the insertion and removal of the sealing plug 166, which improves the efficiency of switching the usage mode.
  • the side wall of the housing 102 is also provided with function buttons electrically connected to the control module 12.
  • the function buttons include button 1 and button 2.
  • control module 12 includes a display screen for displaying work progress, the display screen is arranged inside the housing 102, and the housing 102 is provided with a light-transmitting area at a position corresponding to the display screen.
  • the display screen is used to display the work progress.
  • the button on the left is pressed to start the disinfection, the words 0%-100% will be displayed on the display screen to remind the user of the current disinfection progress.
  • the display of 100% on the display screen means that the disinfection is complete.
  • the housing 102 is also provided with a power connector electrically connected to the control module 12 to facilitate connection with an external power source.
  • the light-transmitting area is a glass plate that is provided on the housing 102 and has an outline size equivalent to the display screen, so that the user can see the information displayed on the display screen through the glass plate. .
  • the light-transmitting area may also be a square through hole on the housing 102 that is equivalent to the outline size of the display screen.
  • first pipeline 171, the second pipeline 172, the third pipeline 173, and the hose to be sterilized 301 are all made of hose material, such as silica gel, EPDM rubber, or fluorine. Glue, which is convenient for connection and saves internal space.
  • This embodiment provides an ozone disinfection system, which includes a device to be disinfected 300 and an item 200 to be disinfected, and the ozone disinfection device 100 provided in the first embodiment; the device to be disinfected 300 at least includes a ventilator and a hose to be disinfected 301
  • the object to be sterilized 200 includes at least a face mask; opposite ends of the hose to be sterilized 301 are respectively connected to the ventilator and the gas distribution unit 16; the face mask is contained in the sterilization sealed compartment 11.
  • the gas distribution unit 16 includes a first interface 161, a second interface 162, a third interface 163, and a fourth interface 164 that communicate with each other, and the first interface 161 is in communication with the ozone generator 13
  • the second interface 162 is in communication with the suction pump 14, the third interface 163 is in communication with the vent hole 165, and the fourth interface 164 is in communication with the hose 301 to be disinfected.
  • the hose 301 to be disinfected is connected to the air outlet of the ventilator.
  • the air inlet of the ventilator is blocked by a sealing plug.
  • the gas distribution unit 16 includes: an outer circumferential wall 1601, a spacer plate 1602 with an edge connected to the inner side of the outer circumferential wall 1601, and an inner circumferential wall 1603 with one end connected to the spacer plate 1602;
  • the spacer 1602 divides the inner space of the outer circumferential wall 1601 into a first cavity 1604a and a second cavity 1604b.
  • the inner circumferential wall 1603 is located in the second cavity 1604b;
  • the first cavity 1604a and the outer circumferential wall 1601 form the third interface 163;
  • the fourth interface 164 is formed with the central blocking portion 1605;
  • the second interface 162 is connected to the portion of the outer circumferential wall 1601 surrounding the first cavity 1604a, and the second interface 162 is connected to the The first cavity is directly communicated;
  • the first interface 161 is connected to a portion of the outer circumferential wall surrounding the first cavity 1604a, and the first interface 161 is directly communicated with the first cavity 1604a.
  • ozone disinfection system For the working principle of the ozone disinfection system provided in this embodiment, refer to the process of using the ozone disinfection device 100 to perform ozone disinfection treatment on the items to be disinfected and the equipment to be disinfected at the same time in the first embodiment.
  • This embodiment provides an ozone disinfection system, which includes an article to be disinfected 200 and the ozone disinfection device 100 provided in the first embodiment; the article to be disinfected 200 at least includes a mask, and the mask is housed in the disinfection sealed compartment 11
  • the gas distribution unit 16 includes a first interface 161, a second interface 162, a third interface 163, and a fourth interface 164 that communicate with each other, the first interface 161 is in communication with the ozone generator 13, the first The second interface 162 is in communication with the suction pump 14, the third interface 163 is in communication with the ventilation hole 165, and the fourth interface 164 is blocked by a sealing plug 166.
  • the gas distribution unit 16 includes: an outer circumferential wall 1601, a spacer plate 1602 with an edge connected to the inner side of the outer circumferential wall 1601, and an inner circumferential wall 1603 with one end connected to the spacer plate 1602;
  • the spacer 1602 divides the inner space of the outer circumferential wall 1601 into a first cavity 1604a and a second cavity 1604b.
  • the inner circumferential wall 1603 is located in the second cavity 1604b;
  • the first cavity 1604a and the outer circumferential wall 1601 form the third interface 163;
  • the fourth interface 164 is formed with the central blocking portion 1605;
  • the second interface 162 is connected to the portion of the outer circumferential wall 1601 surrounding the first cavity 1604a, and the second interface 162 is connected to the The first cavity is directly communicated;
  • the first interface 161 is connected to a portion of the outer circumferential wall surrounding the first cavity 1604a, and the first interface 161 is directly communicated with the first cavity 1604a.
  • ozone disinfection system For the working principle of the ozone disinfection system provided in this embodiment, refer to the process of using the ozone disinfection device 100 to perform ozone disinfection treatment on only the items to be disinfected in the first embodiment.
  • the present invention also provides an ozone disinfection method.
  • the ozone disinfection method is implemented by the above-mentioned ozone disinfection device, and the ozone disinfection method includes the following steps:
  • the control module 12 activates the ozone generator 13, and the ozone of the ozone generator 13 flows into the sterilization sealed cabin 11 through the gas distribution unit 16 to sterilize the items to be sterilized;
  • the control module 12 controls the ozone generator 13 to stop working and starts the suction pump 14, and the suction pump 14 draws out all the ozone remaining in the sterilization sealed cabin 11 to the filter 15;
  • the filter 15 performs catalytic decomposition treatment on the passing ozone and then empties it.
  • the ozone generator 13 outputs a certain amount of ozone so that the ozone concentration in the sterilization sealed compartment 11 is not lower than the concentration value that can kill the conventional germs in the ventilator.
  • the gas distribution unit has a fourth interface 164 communicating with the first interface, the second interface 162, and the third interface 163.
  • the ozone disinfection method in this embodiment further includes the following steps:
  • a sealing plug 166 is used to block the fourth interface 164, and the sealing plug 166 can effectively prevent ozone from escaping from the fourth interface 164.
  • the item to be disinfected includes a face mask. Obviously, when the face mask is disinfected, it is only necessary to put the face mask into the disinfection sealed compartment 11.
  • This embodiment provides an ozone disinfection method, which is implemented by the ozone disinfection device in the first embodiment.
  • the ozone disinfection method includes the following steps:
  • the control module starts the ozone generator 13, and the ozone of the ozone generator 13 flows into the disinfection equipment and the disinfection sealed cabin 11 through the gas distribution unit 16 to disinfect the equipment to be disinfected and the items to be disinfected;
  • the control module 12 controls the ozone generator 13 to stop working and starts the suction pump 14, which extracts all the ozone remaining in the equipment to be disinfected and the inside of the disinfection sealed compartment 11 to the filter 15;
  • the filter 15 performs catalytic decomposition treatment on the passing ozone and then empties it.
  • the ozone generator 13 outputs a certain amount of ozone so that the ozone concentration in the equipment to be disinfected and the disinfection sealed compartment 11 is not lower than the concentration value that can kill the conventional germs in the ventilator.
  • the gas distribution unit 16 has a fourth interface 164 communicating with the first interface, the second interface 162, and the third interface 163, and the equipment to be sterilized passes through the fourth interface 164 is connected to the gas distribution unit 16.
  • the object to be disinfected includes a face mask
  • the equipment to be disinfected includes a hose and a ventilator.
  • the specific process of "connecting the equipment to be sterilized with the gas distribution unit 16 and the sterilizing airtight chamber” is: putting the face mask into the sterilizing airtight chamber 11 , Connect both ends of the hose to the air outlet of the ventilator and the fourth interface 164 respectively.

Abstract

L'invention concerne un dispositif de désinfection à l'ozone, un système de désinfection à l'ozone et une méthode de désinfection à l'ozone. Le dispositif de désinfection à l'ozone comprend : une chambre de désinfection étanche (11), une unité de distribution de gaz (16), un générateur d'ozone (13), une pompe d'extraction de gaz (14), un filtre (15), et un module de commande (12). Le présent dispositif de désinfection à l'ozone peut être utilisé pour effectuer rapidement une désinfection à l'ozone sur un article à désinfecter et un dispositif à désinfecter, et peut récupérer et décomposer activement l'ozone généré dans le processus de désinfection.
PCT/CN2020/134302 2020-06-04 2020-12-07 Dispositif de désinfection à l'ozone qui élimine activement l'ozone, système de désinfection à l'ozone et méthode de désinfection à l'ozone WO2021243999A1 (fr)

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CN202010503779.4A CN113750275A (zh) 2020-06-04 2020-06-04 一种主动清除臭氧的臭氧消毒装置及臭氧消毒系统
CN202010503779.4 2020-06-04

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