CN110585903A - Disinfection cabinet and disinfection method applying same - Google Patents
Disinfection cabinet and disinfection method applying same Download PDFInfo
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- CN110585903A CN110585903A CN201910790822.7A CN201910790822A CN110585903A CN 110585903 A CN110585903 A CN 110585903A CN 201910790822 A CN201910790822 A CN 201910790822A CN 110585903 A CN110585903 A CN 110585903A
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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
- A61L2/16—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
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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
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- 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
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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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/13—Biocide decomposition means, e.g. catalysts, sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to a disinfection cabinet, which comprises a box body with a disinfection cavity and an ultraviolet lamp tube arranged in the disinfection cavity, wherein the side wall of the box body is provided with an exhaust port, a first air return port and a second air return port which are arranged at intervals, an exhaust pipeline is arranged outside the box body, the input end of the exhaust pipeline is connected with the exhaust port, the exhaust pipeline is provided with a fan which can suck air into the exhaust pipeline from the disinfection cavity, the exhaust pipeline is provided with a first cavity and a second cavity which can be respectively used for air to enter, the first cavity is communicated with the first air return port, the second cavity is respectively communicated with the second air return port and the output end of the exhaust pipeline, the second cavity is also provided with an ozone treatment device positioned at the upstream of the second air return port and a sensor positioned at the downstream of the second air return port and used for detecting the concentration of ozone, and the exhaust pipeline is also provided with a switch assembly which can respectively control the opening and closing of the exhaust port, the first air return port and the second air return port; effectively eliminating residual ozone in the air of the disinfection cavity and greatly protecting the environment.
Description
Technical Field
The invention relates to the technical field of household appliances for kitchens, in particular to a disinfection cabinet and a disinfection method using the same.
Background
Most disinfection cabinets appearing in the market at present are high-temperature or ozone disinfection, and few independent ultraviolet disinfection cabinets appear, because the disinfection range of ultraviolet illumination disinfection in the cabinet body is limited, the disinfection is not thorough easily, and certain defects exist. In order to improve the disinfection effect, most of ultraviolet lamp tubes adopted in the existing disinfection cabinet can release ozone at the same time, so that the ultraviolet disinfection and the ozone disinfection are combined. However, after the disinfection is completed, ozone is scattered in the disinfection cabinet, and the ozone easily overflows into the kitchen space after the disinfection cabinet is opened, so that kitchen odor and air pollution are caused.
In order to solve the above problems, the chinese utility model patent application publication No. CN206434614U, "a safe and environment-friendly ozone disinfection machine" (application No. cn201621096647.x) discloses a structure, which comprises an ozone generator, a base, a first ventilating pipe, a treatment chamber, a disinfection chamber and an air pump, wherein the ozone generator is installed at the right end of the top of the base, the first ventilating pipe is arranged in the middle of the right side of the ozone generator, a control valve and a second ventilating pipe are installed on the first ventilating pipe in the middle of the air pump and the ozone generator, the right end of the first ventilating pipe is installed at the upper end of the left side of the disinfection chamber, a reduction layer and a catalysis layer are respectively arranged inside the treatment chamber, an outlet pipe is arranged at the upper end of the right side of the treatment chamber, and a water outlet pipe. The structure uses the manganese dioxide catalyst and the active carbon in a matching way, and treats the residual ozone, thereby greatly protecting the environment. However, due to the limited travel of ozone through manganese dioxide, when the residual concentration of ozone is high, the ozone treatment is not thorough and some ozone is still discharged to the air.
Therefore, the disinfection structure for disinfection by the ultraviolet lamp tube at present is to be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a disinfection cabinet capable of effectively eliminating ozone in the current situation of the prior art.
Another technical problem to be solved by the present invention is to provide a disinfection method using the disinfection cabinet, which can dry the articles in the disinfection chamber, effectively eliminate the residual ozone in the air in the disinfection chamber, and is convenient to use.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a disinfection cabinet, includes the box that has the disinfection chamber and locates the ozone mode device in the disinfection chamber, its characterized in that: the side wall of the box body is provided with an exhaust port, a first return air port and a second return air port which are arranged at intervals, an exhaust pipeline is arranged outside the box body, the input end of the exhaust pipeline is connected with the exhaust port, a fan capable of sucking air into the exhaust pipeline from the disinfection cavity is arranged on the exhaust pipeline, the exhaust pipeline is provided with a first cavity and a second cavity which are respectively used for air to enter, the first cavity is communicated with the first return air port, the second cavity is respectively communicated with the second return air port and the output end of the exhaust pipeline, the second cavity is also provided with an ozone treatment device positioned at the upstream of the second return air port and a sensor positioned at the downstream of the second return air port and used for detecting the concentration of ozone, and the exhaust pipeline is also provided with a switch assembly capable of respectively controlling the opening and closing of the exhaust port, the first return air port and the second return air port.
Preferably, an air treatment cavity extending perpendicular to the air circulation direction is formed in the middle of the exhaust duct, a partition plate capable of dividing the air treatment cavity into the first cavity and the second cavity is arranged in the middle of the air treatment cavity, a first end of the partition plate is arranged in the middle of the inlet of the air treatment cavity, and a second end of the partition plate is arranged in the middle of the rear side wall of the air treatment cavity. By adopting the structure, the first cavity and the second cavity are arranged side by side in the gas circulation direction, so that the air conveying flow is shortened.
In the above scheme, the first air return port is arranged corresponding to the bottom wall of the first cavity, the second air return port is arranged corresponding to the bottom wall of the second cavity, and the output end of the exhaust pipeline is arranged on the rear side wall of the air treatment cavity and is located between the first air return port and the second air return port.
Preferably, the switch assembly comprises a threaded rod, a first valve plate, a second valve plate and a third valve plate, the threaded rod can be rotatably arranged in the air treatment cavity and extends along the length direction of the air treatment cavity, the first valve plate is connected to the threaded rod through a first nut pair and used for controlling the opening and closing of the first air return port, the second valve plate is connected to the threaded rod through a second nut pair and used for controlling the opening and closing of the second air return port, and the third valve plate is connected to the threaded rod through a third nut pair and used for controlling the opening and closing of the output end of the exhaust pipeline. By adopting the structure, the first valve plate, the second valve plate and the third valve plate can be driven by one threaded rod at the same time, and the operation and the control are convenient.
Preferably, a motor capable of driving the threaded rod to rotate is arranged outside the exhaust pipeline, the motor is fixed on the side wall of the exhaust pipeline through a support, and the output shaft is connected with the corresponding end of the threaded rod.
Preferably, the width of the first valve plate in the axial direction of the threaded rod is not less than three times of the width of the first air return port, and the middle part of the first valve plate is provided with a ventilation port capable of aligning with the first air return port; the width of the second valve plate in the axial direction of the threaded rod is not less than twice of the width of the second air return port; the width of the third valve plate in the axial direction of the threaded rod is not less than twice of the width of the output end of the exhaust pipeline. By adopting the structure, the first valve plate, the second valve plate and the third valve plate can be adjusted and controlled under different operation states by matching with the rotation of the threaded rod.
In each of the above aspects, the ozone treatment device includes at least a manganese dioxide catalyst disposed in the second cavity upstream of the threaded rod. The manganese dioxide catalyst can catalyze and oxidize ozone to convert the ozone into oxygen, so that the environment pollution is avoided.
As an improvement, the ozone treatment device further comprises a heating pipe capable of heating and decomposing ozone, and the heating pipe is arranged in the second cavity and is located at the upstream of the threaded rod. The manganese dioxide catalyst needs longer reaction time for catalysis, and the problem that ozone treatment cannot reach the standard possibly exists in a long time.
Preferably, the output end of the exhaust pipeline is externally connected with a conveying channel, a turning plate capable of gradually reducing the flow cross-sectional area is arranged in the conveying channel, the upper end of the turning plate is connected to the upper wall surface of the conveying channel, the lower end of the turning plate is located in the conveying channel, and the turning plate is gradually inclined downwards from top to bottom along the gas flow direction.
The disinfection method using the disinfection cabinet is characterized in that: comprises the following steps
In the disinfection state, the fan does not run;
after the disinfection is finished, the fan operates, the switch assembly opens the first air return opening, closes the second air return opening, closes the output end of the exhaust pipeline, and air in the disinfection cavity forms air internal circulation among the exhaust pipeline, the first air return opening and the disinfection cavity through the fan, so that an effect of drying a to-be-disinfected object in the disinfection cavity is achieved;
after the process is finished, the first air return opening is closed by the switch assembly, the air enters the second cavity and is treated by the ozone treatment device, if the sensor detects that the concentration of the ozone does not exceed the set concentration, the second air return opening is closed by the switch assembly, the output end of the exhaust pipeline is opened, and the air is exhausted; if the sensor detects that the ozone concentration exceeds the set concentration, the switch assembly closes the output end of the exhaust pipeline, the second air return opening is opened, the air circulates back to the disinfection cavity through the second air return opening, enters the second cavity under the action of the fan again and is treated by the ozone treatment device until the sensor detects that the ozone concentration does not exceed the set concentration, the switch assembly closes the second air return opening, the output end of the exhaust pipeline is opened, and the air is discharged.
Compared with the prior art, the invention has the advantages that: before ozone is treated, the first cavity and the first air return port can be used for completing air internal circulation to dry articles in the disinfection cavity; after the drying finishes, utilize the ozone treatment device in the second cavity to get rid of ozone, direct emission when the sensor detects ozone concentration in the air after ozone remove device and up to standard, circulate again through ozone remove device in letting in this air disinfection chamber, discharge after ozone concentration is up to standard in the air until, thereby effectively eliminated the remaining ozone in the disinfection chamber air, very big protection the environment.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an exhaust channel according to an embodiment of the present disclosure (first air return opening, second air return opening closed, output end closed);
FIG. 3 is a cross-sectional view of an exhaust channel according to an embodiment of the present invention (the first return air inlet is closed, the second return air inlet is closed, and the output end is opened);
FIG. 4 is a cross-sectional view of an exhaust channel according to an embodiment of the present invention (the first air return opening is closed, the second air return opening is opened, and the output end is closed).
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the disinfection cabinet of the present embodiment includes a cabinet 1 having a disinfection chamber 11 and an ozone mode device 100 disposed in the disinfection chamber 11, wherein the ozone mode device 100 of the present embodiment is an ultraviolet lamp, the ultraviolet lamp can be disposed on a rear side wall of the disinfection chamber 11, and the ultraviolet lamp simultaneously releases ultraviolet rays and ozone for sterilization. The top plate 10 of the box body 1 is provided with an exhaust port 12, a first air return port 13 and a second air return port 14 which are arranged at intervals, an exhaust pipeline 2 is arranged outside the box body 1, the input end of the exhaust pipeline 2 is connected with the exhaust port 12, and the exhaust pipeline 2 is provided with a fan 3 which can suck air into the exhaust pipeline 2 from the disinfection cavity 11. The exhaust pipeline 2 is provided with a first cavity 21 and a second cavity 22 which can be respectively used for air to enter, the first cavity 21 is communicated with the first air return port 13, the second cavity 22 is respectively communicated with the second air return port 14 and an output end 23 of the exhaust pipeline 2, and the second cavity 22 is also provided with an ozone treatment device 4 which is positioned at the upstream of the second air return port 14 and a sensor 24 which is positioned at the downstream of the second air return port 14 and is used for detecting the concentration of ozone. The exhaust duct 2 is further provided with a switch assembly 5 which can control the opening and closing of the exhaust port 12, the first return air port 13 and the second return air port 14 respectively.
Specifically, an air treatment chamber 20 extending perpendicular to the gas flowing direction is formed in the middle of the exhaust duct 2, a partition 25 capable of dividing the air treatment chamber 20 into a first chamber 21 and a second chamber 22 is disposed in the middle of the air treatment chamber 20, a first end of the partition 25 is disposed corresponding to the middle of the inlet of the air treatment chamber 20, and a second end of the partition 25 is disposed corresponding to the middle of the rear side wall of the air treatment chamber 20. With such a structure, the first chamber 21 and the second chamber 22 are arranged side by side in the gas flow direction to shorten the air conveyance flow. The first air return opening 13 is disposed corresponding to the bottom wall of the first cavity 21, the second air return opening 14 is disposed corresponding to the bottom wall of the second cavity 22, and the output end 23 of the exhaust duct 2 is opened on the rear side wall of the air processing cavity 20 and is located between the first air return opening 13 and the second air return opening 14.
The switch assembly 5 of the present embodiment includes a threaded rod 51, a first valve plate 52, a second valve plate 53 and a third valve plate 54, the threaded rod 51 is rotatably disposed in the air processing chamber 20 and extends along the length direction of the air processing chamber 20, the first valve plate 52 is connected to the threaded rod 51 through a first nut pair 521 and is used for controlling the opening and closing of the first air return opening 13, the second valve plate 53 is connected to the threaded rod 51 through a second nut pair 531 and is used for controlling the opening and closing of the second air return opening 14, and the third valve plate 54 is connected to the threaded rod 51 through a third nut pair 541 and is used for controlling the opening and closing of the output end 23 of the exhaust pipe 2. The motor 55 capable of driving the threaded rod 51 to rotate is arranged outside the exhaust pipeline 2, the motor 55 is fixed on the side wall of the exhaust pipeline 2 through a bracket 551, and an output shaft is connected with the corresponding end of the threaded rod 51. The width of the first valve plate 52 in the axial direction of the threaded rod 51 is not less than three times of the width of the first air return port 13, and a ventilation port 522 capable of aligning with the first air return port 13 is formed in the middle of the first valve plate 52; the width of the second valve plate 53 in the axial direction of the threaded rod 51 is not less than twice the width of the second return air port 14; the width of the third valve plate 54 in the axial direction of the threaded rod 51 is not less than twice the width of the outlet end 12 of the exhaust pipe 2. With the structure, the first valve plate 52, the second valve plate 53 and the third valve plate 54 can be driven by one threaded rod 51, so that the operation and the control are convenient.
In this embodiment, the ozone treatment device 4 includes a manganese dioxide catalyst 41 and a heating pipe 42, and the manganese dioxide catalyst 41 is disposed in the second chamber 22 in a honeycomb arrangement upstream of the threaded rod 51. The manganese dioxide catalyst 41 can catalyze and oxidize the ozone to convert the ozone into oxygen, so that the environment is prevented from being polluted. The heating pipe 42 is capable of heating and decomposing ozone, and the heating pipe 42 is arranged in the second cavity 22 and is located at the upstream of the threaded rod 51. The manganese dioxide catalyst 41 needs a long reaction time for catalysis, and the problem that ozone treatment cannot reach the standard possibly exists in a long time, and the heating pipe 42 is arranged to be matched with the manganese dioxide catalyst 41, so that ozone can be efficiently and effectively removed.
The output end 23 of the exhaust pipeline 2 is externally connected with a conveying channel 26, a turning plate 27 capable of gradually reducing the flow cross-sectional area is arranged in the conveying channel 26, the upper end of the turning plate 27 is connected to the upper wall surface of the conveying channel 26, the lower end of the turning plate 27 is positioned in the conveying channel 26, and the turning plate 27 is gradually inclined downwards from top to bottom along the gas flow direction.
The disinfection method using the disinfection cabinet in the embodiment comprises the following steps:
in the disinfection state, the fan 3 does not operate;
after the disinfection is finished, the fan 3 operates, as shown in fig. 2, the switch assembly 5 opens the first air return opening 13, closes the second air return opening 14, closes the output end 23 of the exhaust pipeline 2, and the air in the disinfection cavity 11 forms an air internal circulation among the first cavity 21 of the exhaust pipeline 2, the first air return opening 13 and the disinfection cavity 11 through the fan 3, so that an effect of drying a to-be-disinfected object in the disinfection cavity 11 is achieved;
after the above process is finished, the switch assembly 5 closes the first air return opening 13, the air enters the second cavity 22 and is treated by the ozone treatment device 4, if the sensor 24 detects that the concentration of ozone does not exceed the set concentration, the switch assembly 5 closes the second air return opening 14, the output end 23 of the exhaust pipeline 2 is opened, and as shown in fig. 3, the air is exhausted; if the sensor 24 detects that the ozone concentration exceeds the set concentration, the switch component 5 closes the output end 23 of the exhaust pipeline 2, the second air return opening 14 is opened, the air circulates back to the disinfection cavity 11 through the second air return opening 14, as shown in fig. 4, enters the second cavity 22 under the action of the fan 3 again and is treated by the ozone treatment device 4 until the sensor 24 detects that the ozone concentration does not exceed the set concentration, the switch component 5 closes the second air return opening 14, the output end 23 of the exhaust pipeline 2 is opened, and the air is exhausted.
Claims (10)
1. The utility model provides a disinfection cabinet, includes box (1) that has disinfection chamber (11) and locates ozone mode device (100) in disinfection chamber (11), its characterized in that: the ozone disinfection device is characterized in that the side wall of the box body (1) is provided with exhaust ports (12), a first air return port (13) and a second air return port (14) which are arranged at intervals, an exhaust pipeline (2) is arranged outside the box body (1), the input end of the exhaust pipeline (2) is connected with the exhaust ports (12), a fan (3) capable of sucking air into the exhaust pipeline (2) from the disinfection cavity (11) is arranged on the exhaust pipeline (2), the exhaust pipeline (2) is internally provided with a first cavity (21) and a second cavity (22) which can be respectively used for air to enter, the first cavity (21) is communicated with the first air return port (13), the second cavity (22) is respectively communicated with the second air return port (14) and the output end (23) of the exhaust pipeline (2), an ozone treatment device (4) positioned at the upstream of the second air return port (14) and a sensor (4) positioned at the downstream of the second air return port (14) and used for detecting the concentration of ozone are further arranged in the second cavity (22) 24) And the exhaust pipeline (2) is also provided with a switch component (5) which can respectively control the opening and closing of the exhaust port (12), the first return air port (13) and the second return air port (14).
2. A disinfection cabinet as claimed in claim 1, wherein: the middle part of the exhaust pipeline (2) is provided with an air treatment cavity (20) extending in a direction perpendicular to the gas circulation direction, the middle part of the air treatment cavity (20) is provided with a partition plate (25) capable of dividing the air treatment cavity into a first cavity (21) and a second cavity (22), the first end of the partition plate (25) is arranged in the middle of the inlet of the air treatment cavity (20) correspondingly, and the second end of the partition plate (25) is arranged in the middle of the rear side wall of the air treatment cavity (20) correspondingly.
3. A disinfection cabinet as claimed in claim 2, wherein: the first air return port (13) is arranged corresponding to the bottom wall of the first cavity (21), the second air return port (14) is arranged corresponding to the bottom wall of the second cavity (22), and the output end (23) of the exhaust pipeline (2) is arranged on the rear side wall of the air processing cavity (20) and is positioned between the first air return port (13) and the second air return port (14).
4. A disinfection cabinet as claimed in claim 3, wherein: switch module (5) include threaded rod (51), first valve block (52), second valve block (53) and third valve block (54), threaded rod (51) can be set up in air treatment chamber (20) with rotating and extend along the length direction of air treatment chamber (20), first valve block (52) are connected on threaded rod (51) and are used for controlling the switch of first return-air mouth (13) through first nut pair (521), second valve block (53) are connected on threaded rod (51) and are used for controlling the switch of second return-air mouth (14) through second nut pair (531), third valve block (54) are connected on threaded rod (51) and are used for controlling opening and shutting of exhaust duct (2) output (23) through third nut pair (541).
5. A disinfection cabinet as claimed in claim 4, wherein: and a motor (55) capable of driving the threaded rod (51) to rotate is arranged outside the exhaust pipeline (2), the motor (55) is fixed on the side wall of the exhaust pipeline (2) through a bracket (551), and an output shaft is connected with the corresponding end part of the threaded rod (51).
6. A disinfection cabinet as claimed in claim 4, wherein: the width of the first valve plate (52) in the axial direction of the threaded rod (51) is not less than three times of the width of the first air return port (13), and a ventilation port (522) capable of being aligned with the first air return port (13) is formed in the middle of the first valve plate (52); the width of the second valve plate (53) in the axial direction of the threaded rod (51) is not less than twice of the width of the second air return port (14); the width of the third valve plate (54) in the axial direction of the threaded rod (51) is not less than twice of the width of the output end (23) of the exhaust pipeline (2).
7. A disinfection cabinet as claimed in any one of claims 1 to 6, wherein: the ozone treatment device (4) at least comprises a manganese dioxide catalyst (41), and the manganese dioxide catalyst (41) is arranged in the second cavity (22) and is positioned at the upstream of the threaded rod (51).
8. A disinfection cabinet as claimed in claim 7, wherein: the ozone treatment device (4) further comprises a heating pipe (42) capable of heating and decomposing ozone, and the heating pipe (42) is arranged in the second cavity (22) and is located at the upstream of the threaded rod (51).
9. A disinfection cabinet as claimed in any one of claims 1 to 6, wherein: the gas exhaust device is characterized in that a conveying channel (26) is connected to the outside of an output end (23) of the exhaust pipeline (2), a turning plate (27) capable of enabling the flow cross-sectional area to be gradually reduced is arranged in the conveying channel (26), the upper end of the turning plate (27) is connected to the upper wall surface of the conveying channel (26), the lower end of the turning plate (27) is located in the conveying channel (26), and the turning plate (27) is gradually inclined downwards from top to bottom along the gas flow direction.
10. A disinfection method using a disinfection cabinet as claimed in any one of claims 1 to 9, characterized in that: comprises the following steps
In the disinfection state, the fan (3) does not run;
after the disinfection is finished, the fan (3) operates, the switch assembly (5) opens the first air return opening (13), closes the second air return opening (14), closes the output end (23) of the exhaust pipeline (2), and air in the disinfection cavity (11) forms air internal circulation among the first cavity (21) of the exhaust pipeline (2), the first air return opening (13) and the disinfection cavity (11) through the fan (3) so as to achieve the effect of drying the to-be-disinfected substances in the disinfection cavity (11);
after the process is finished, the first air return opening (13) is closed by the switch component (5), the air enters the second cavity (22) and is treated by the ozone treatment device (4), if the sensor (24) detects that the concentration of the ozone does not exceed the set concentration, the second air return opening (14) is closed by the switch component (5), the output end (23) of the exhaust pipeline (2) is opened, and the air is exhausted; if the sensor (24) detects that the concentration of ozone exceeds the set concentration, the switch component (5) closes the output end (23) of the exhaust pipeline (2), the second air return opening (14) is opened, air circulates back to the disinfection cavity (11) through the second air return opening (14), enters the second cavity (22) under the action of the fan (3) again and is treated by the ozone treatment device (4), until the sensor (23) detects that the concentration of ozone does not exceed the set concentration, the switch component (5) closes the second air return opening (14), the output end (23) of the exhaust pipeline (2) is opened, and the air is exhausted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790822.7A CN110585903A (en) | 2019-08-26 | 2019-08-26 | Disinfection cabinet and disinfection method applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790822.7A CN110585903A (en) | 2019-08-26 | 2019-08-26 | Disinfection cabinet and disinfection method applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110585903A true CN110585903A (en) | 2019-12-20 |
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ID=68855576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910790822.7A Pending CN110585903A (en) | 2019-08-26 | 2019-08-26 | Disinfection cabinet and disinfection method applying same |
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| CN (1) | CN110585903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021236032A1 (en) * | 2020-05-21 | 2021-11-25 | Ciplak Mustafa Ertugrul | A disinfection cabinet |
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| WO2021236032A1 (en) * | 2020-05-21 | 2021-11-25 | Ciplak Mustafa Ertugrul | A disinfection cabinet |
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Application publication date: 20191220 |