Disinfection device

Abstract

To provide a disinfection device that exhibits a superior disinfection effect with an elimination rate reaching 99.9% with respect to viruses and bacteria on the surface of various articles.SOLUTION: This disinfection device includes a casing, an air-supply pipe, a blower fan, a constant-temperature heating module, a TiO2 module, and an ultraviolet module. The inventive disinfection device utilizes the action of photocatalysis and ultraviolet light to achieve a 99.9% elimination rate with respect to viruses and bacteria on the surface of various articles, thereby exhibiting high sterilization efficiency and superior disinfection effect.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to the technical field of disinfection, and particularly to a disinfection device.

Background Art

[0002] Existing disinfection devices use various disinfection methods such as high-temperature disinfection, ozone disinfection, ultraviolet disinfection, and chemical disinfection.

[0003] In high-temperature disinfection, steam or hot air is usually used, which can effectively kill bacteria, viruses, and other microorganisms. Its main advantages are that it is easy to operate, efficient and fast, and suitable for most scenarios. However, for temperature-sensitive items and equipment, there is a possibility of damage or deformation due to high-temperature disinfection.

[0004] Ozone disinfection kills bacteria and viruses by the oxidation action of ozone gas. It has the characteristics of efficient and extensive sterilization and can handle various media such as air and water. However, ozone gas is irritating and corrosive to the human body and some substances.

[0005] Ultraviolet disinfection uses ultraviolet light to sterilize microorganisms. It has the advantages of high efficiency, no chemical residues, and no secondary pollution, and is suitable for disinfecting air and water. However, the sterilization effect of ultraviolet disinfection is affected by factors such as light intensity, irradiation time, and distance, and it cannot treat hidden or shielded areas.

[0006] In chemical disinfection, chemicals such as bleach, alcohol, and hydrogen peroxide are usually used for sterilization. It has a wide range of bactericidal effects and is suitable for use on various surfaces and equipment. However, some chemical disinfectants are harmful to the human body.

[0007] Existing disinfection methods each have their own drawbacks and cannot easily and efficiently meet the needs of consumers for disinfecting various items, especially baby products.

[0008] Therefore, whether a disinfection device that improves the defects of the prior art can be provided has become an urgent technical problem to be solved by those skilled in the art.

Summary of the Invention

[0009] The technical problem to be solved by the present invention is to provide a disinfection device to solve the defects in the prior art.

[0010] The present invention solves the above technical problems by the following technical means.

[0011] A disinfection device including a housing, an air supply pipe, a blower fan, a constant temperature heating module, a TiO 2 module, and an ultraviolet module, wherein the housing includes a front door and a rear wall, and an upper exhaust port and a lower air inlet are opened in the rear wall, the air supply pipe is attached to the outside of the rear wall, the air supply pipe includes an air inlet and an air outlet, and the air outlet communicates with the lower air inlet, the blower fan is attached to the air inlet so as to blow air into the air supply pipe, the constant temperature heating module is installed in the air supply pipe, the ultraviolet module is installed in the TiO 2 module, the TiO 2 module and the ultraviolet module are both installed downstream of the constant temperature heating module in the air supply pipe and close to the air outlet, Outdoor air enters the air supply pipe from the air inlet under the action of the blower fan, passes through the constant temperature heating module and the TiO 2 module in sequence, is discharged from the air supply pipe through the air outlet, enters the housing through the lower air inlet, flows from bottom to top in the housing, and is finally discharged through the upper exhaust port. A disinfection device.

[0012] Preferably, the TiO 2The module includes a bottom plate and a plurality of wing plates provided at equal intervals above the bottom plate. Lamp holes are formed in the bottom plate between two adjacent wing plates, and a mounting groove is formed below the bottom plate. The ultraviolet module includes a substrate and a plurality of ultraviolet lamps provided on the substrate corresponding to the positions of the lamp holes. The substrate is embedded in the mounting groove, and the ultraviolet lamps are located in the lamp holes so as not to be exposed from the bottom plate.

[0013] Preferably, the area ratio of the lower air inlet to the upper air outlet is 1:0.66.

[0014] Preferably, it further includes an exhaust fan mounted on the upper air outlet for exhausting the air in the housing to the outside of the housing.

[0015] Preferably, it further includes a rear cover provided on the outside of the rear wall for covering the exhaust fan, the air supply fan and the air supply pipe. A filter is provided on the rear cover. The filter corresponds to the positions of the exhaust fan and the air supply fan, and silver ions are added to the filter.

[0016] Preferably, the air supply pipe duct upper cover, a duct lower cover attached to the rear wall and removably connected to the duct upper cover, and includes.

[0017] Preferably, the number of the wing plates is 7, the number of the lamp holes and the ultraviolet lamps is 12, and two lamp holes are formed in the bottom plate between two adjacent wing plates.

[0018] Preferably, it further includes a magnetic adsorption strip provided at a position on the main body of the housing where the front door is openably and closably connected.

[0019] Preferably, it further includes a smart control device for controlling the disinfection device to switch between an automatic mode, a sterilizer mode, a drying mode and a storage mode. In the sterilizer mode, six operating times of 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, and 60 minutes are preset.

[0020] Preferably, a plurality of shelves are provided in the housing at intervals from top to bottom.

[0021] Based on the common knowledge in the art, preferred embodiments of the present invention can be obtained by arbitrarily combining the above preferred conditions.

[0022] The positive effects of the present invention are as follows. The disinfection device of the present invention includes a housing, an air supply pipe, a blower fan, a constant temperature heating module, a TiO 2 module and an ultraviolet module. When the power is turned on to activate the disinfection function, the ultraviolet lamp of the ultraviolet module always lights up and irradiates the TiO 2 module, generating H 2 electrons and e + electrons on the surfaces of the bottom plate and the wing plate of TiO - . The h 2 electrons on the surface of TiO + react with water molecules in the air supply pipe to form OH radicals, and the e - electrons react with oxygen molecules in the air supply pipe to form O 2- radicals. The OH radicals and some of the O 2- radicals decompose organic substances, bacteria, viruses, etc. in the air blown into the air supply pipe by the blower fan into CO 2 and water, and some of the O 2- radicals are blown onto the object to be disinfected in the housing by the air flow to disinfect the object to be disinfected, decomposing organic substances, bacteria and viruses on the surface of the object to be disinfected into CO 2 and water. The disinfection device of the present invention has a killing rate of 99.9% against viruses and bacteria on the surfaces of various articles due to the action of photocatalyst and ultraviolet rays, and has an excellent disinfection effect.

Brief Description of the Drawings

[0023]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Mode for Carrying Out the Invention

[0024] Hereinafter, while referring to the drawings in the embodiments of the present invention, the technical means in the embodiments of the present invention will be clearly and completely described. As is clear, the following embodiments are only some of the embodiments of the present invention, not all of them. Hereinafter, the description of at least one exemplary embodiment is merely illustrative and does not limit the present invention and its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are all included in the protection scope of the present invention.

[0025] For the sake of convenience in description, in this specification, spatial relative terms such as "above...", "over...", "on the upper surface of...", "upper" are used to describe the spatial positional relationship between a certain component or feature shown in the drawings and other components or features. As can be understood, the spatial relative terms are intended to include different orientations during use or operation in addition to the orientation of the components shown in the drawings. For example, if the components in the drawings are turned upside down, the components described as "above other components or structures" or "on other components or structures" will be positioned as "below other components or structures" or "under other components or structures". Therefore, the exemplary term "above..." can include two orientations, namely "above..." and "below...". This component can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative notations used in this specification will be interpreted accordingly.

[0026] In addition, in the appended claims and this specification, the terms "comprising", "including" or any other variation are intended to cover non-exclusive inclusion, such that a process, method, article or apparatus comprising a series of elements includes not only those elements but also other elements not expressly listed or elements inherent to this process, method, article or apparatus. Without further limitation, an element limited by the term "comprising one" does not exclude the presence of another identical element in the process, method, article or apparatus that includes that element.

[0027] As shown in FIGS. 1-7, this embodiment discloses an apparatus including a housing 100, an exhaust fan 200, an air supply pipe 1, a blower fan 2, a constant temperature heating module 3, a TiO 2 module 4 and an ultraviolet module 5.

[0028] The housing 100 includes a front door 101 and a rear wall 102 that are provided opposite to each other. An upper exhaust port 103 and a lower air inlet 104 are opened in the rear wall. The upper exhaust port 103 may be located above the lower air inlet 104 in the vertical direction. The lower air inlet 104 may be located below the upper exhaust port 103 in the vertical direction. A magnetic adsorption strip 9 is further provided at the location of the opening and closing connection between the front door 101 and the main body of the housing, so that when the front door 101 is closed, the front door 101 is adsorbed to improve the sealing performance. In this embodiment, the housing 100 is generally in the shape of a rectangular parallelepiped, but in other alternative embodiments, it may have other shapes.

[0029] Also, a plurality of shelves 8 are provided in the housing 100 at intervals from top to bottom. This allows more items to be placed for disinfection. In this embodiment, the shelf 8 has four layers, but it is not limited to this.

[0030] The exhaust fan 200 is attached to the upper exhaust port 103 so as to discharge the air inside the housing 100 to the outside of the housing 100. In this embodiment, by providing the exhaust fan 200, the air exchange inside the housing can be accelerated. The air supply pipe 1 is attached to the outside of the rear wall 102. The air supply pipe 1 includes an air inlet 11 and an air outlet 12. The air outlet 12 communicates with the lower air inlet 104 of the housing 100. In this embodiment, specifically, the air supply pipe 1 includes a duct upper cover 14 and a duct lower cover 13 that is removably connected to the duct upper cover 14. When the duct upper cover 14 and the duct lower cover 13 are connected, the duct upper cover 14 and the duct lower cover 13 form a cylindrical shape. The air inlet 11 and the air outlet 12 are formed at both ends of the combined body of the cylindrical duct upper cover 14 and duct lower cover 13. The duct lower cover 13 is attached to the rear wall 102, which facilitates the attachment of the constant temperature heating module 3, the TiO 2 module 4 and the ultraviolet module 5. In other alternative embodiments, the air supply pipe 1 may be integrated.

[0031] The air volume of the air supply fan 2 is 20 cfm (cubic feet per minute). The air supply fan 2 is attached to the air inlet 11 so as to supply air to the air supply pipe 1.

[0032] The constant temperature heating module 3 is installed in the air supply pipe 1. In this embodiment, the PTC heating module is also called a PTC (positive temperature coefficient) heater, and it uses a PTC ceramic heating element and an aluminum tube. This type of PTC heating element has the advantages of low thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and power-saving electric heater with particularly excellent safety. In any usage situation, it will not cause dangers such as "redness" on the surface like an electric heating tube type heater, which may cause burns or fires. Also, it has the advantages of rapid temperature rise, automatic temperature control even when the fan fails, and a long service life. It has a wide voltage usage range and can be designed between 12V and 380V according to needs, and can be arbitrarily designed from low power to high power. In this embodiment, the constant temperature heating module 3 has a specification of 100°C / 250W and is used to continuously supply hot air at 65 ± 5°C.

[0033] As the ultraviolet module 5 of this embodiment, a UVA module is used. The classification of ultraviolet rays includes UVA, UVB, UVC, and UVD. The wavelength in the UVA wavelength range is 320 - 420 nm. The UVA module is embedded in the TiO 2 module 4. Specifically, the TiO 2 module 4 includes a bottom plate 41 and a plurality of wing plates 42 provided at equal intervals above the bottom plate 41. A lamp hole 43 is opened in the bottom plate 41 between two adjacent wing plates 42, and a mounting groove is opened below the bottom plate 41.

[0034] The ultraviolet module 5 includes a substrate 51 and a plurality of ultraviolet lamps 52 provided on the substrate 51 corresponding to the positions of the lamp holes 43. The substrate 51 is embedded in the mounting groove. The ultraviolet lamps 52 are located in the lamp holes 43 so as not to be exposed from the bottom plate 41.

[0035] In this embodiment, the number of the wing plates 42 is seven, and the number of the lamp holes 43 and the ultraviolet lamps 52 is twelve. That is, two lamp holes 43 are formed in the bottom plate 41 between two adjacent wing plates 42.

[0036] In this embodiment, according to the above structure, the efficiency of the catalytic reaction is improved, and TiO 2 On the surfaces of the bottom plate 41 and the wing plates 42 of the module 4, H + electrons and e - electrons can be generated simultaneously and rapidly.

[0037] TiO 2 The TiO module 4 and the ultraviolet module 5 are both downstream of the constant temperature heating module 3 in the air supply pipe 1 and are attached at a position close to the air outlet 12.

[0038] Furthermore, the disinfection device is provided outside the rear wall 102 so as to cover the outside of the rear wall 102, and further includes a rear cover 6 that covers the exhaust fan 200, the blower fan 2, and the air supply pipe 1. A filter 7 is provided on the rear cover 6. The filter 7 may face the exhaust fan 200 and the blower fan 2. By corresponding to the positions of the exhaust fan 200 and the blower fan 2, impurities are prevented from entering the air supply pipe 1 through the blower fan 2. In addition, since silver ions are added to the filter 7, microorganisms such as bacteria are prevented from multiplying on the filter 7.

[0039] When the disinfection device of this embodiment is energized to activate the disinfection function, the ultraviolet lamps 52 of the ultraviolet module 5 are always lit, and by irradiating the TiO 2 module 4, H 2 electrons and e + electrons are generated on the surfaces of the bottom plate 41 and the wing plates 42 of the TiO - The H 2 electrons on the TiO surface react with water molecules in the air supply pipe 1 to form OH radicals, and e + electrons react with oxygen molecules in the air supply pipe 1 to form O - radicals. OH radicals and some O 2- radicals2- The radicals are decomposed into CO by organic substances, bacteria, viruses, etc. in the air blown into the air supply pipe 1 by the blower fan 2 2 and water, and a part of O 2- The radicals are blown to the object to be disinfected in the housing 100 by the air flow, disinfect the object to be disinfected, and decompose the organic substances, bacteria and viruses on the surface of the object to be disinfected into CO 2 and water.

[0040] In this embodiment, the outside air enters the air supply pipe 1 from the air inlet 11 under the action of the blower fan 2, passes through the constant temperature heating module 3 and the TiO 2 module 4 in sequence, is discharged from the air supply pipe 1 through the air outlet 12, enters the housing 100 through the lower air inlet 104, flows from the bottom to the top in the housing 100 under the action of the exhaust fan 200, and is finally discharged from the exhaust port 103.

[0041] In this embodiment, the area of the upper exhaust port 103 may be smaller than the area of the lower air inlet 104. The area of the lower air inlet 104 is 0.00156 square meters, and the area of the upper exhaust port is 0.00103 square meters. That is, the area ratio of the lower air inlet 104 to the upper exhaust port 103 is 1:0.66. Thereby, a certain pressure is formed in the housing 100, and the time for the O 2- radicals to decompose bacteria, viruses and organic substances in the housing 100 becomes longer, and the sterilization effect becomes higher.

[0042] The disinfection device of this embodiment includes a smart control device that controls the disinfection device to switch between an automatic mode, a sterilizer mode, a drying mode, and a storage mode. Six operating times of 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, and 60 minutes are preset in the sterilizer mode. Thereby, the user can quickly select the required working mode and disinfection time as needed.

[0043] In the automatic mode, TiO 2As a result of the module + ultraviolet module + constant temperature heating module + blower fan operating simultaneously for 40 minutes, the sterilization rate against the bacteria on the articles in the housing reached 99.9%, and the virus bacteriostatic activity value was ≥ 2.0.

[0044] In the sterilizer mode, options of 30 / 35 / 40 / 45 / 50 / 60 minutes are provided. After selecting the disinfection time, the TiO 2 module + ultraviolet module + blower fan operate simultaneously for the selected time, and after the constant temperature heating module operates for 15 minutes and then is turned off, the sterilization rate against the bacteria on the disinfection target in the housing reaches 99.9%, and the virus bacteriostatic activity value is ≥ 2.0.

[0045] The disinfection device of this embodiment, through the action of photocatalyst and ultraviolet light, has a killing rate of 99.9% against the viruses and bacteria adhering to the surfaces of various articles, with high sterilization efficiency and excellent disinfection effect.

Explanation of Reference Signs

[0046] Housing 100 Front door 101 Rear wall 102 Upper exhaust port 103 Lower air inlet 104 Exhaust fan 200 Air supply pipe 1 Air inlet 11 Air outlet 12 Duct lower cover 13 Duct upper cover 14 Blower fan 2 Constant temperature heating module 3 TiO 2 Module 4 Bottom plate 41 Wing plate 42 Lamp hole 43 Ultraviolet module 5 Substrate 51 Ultraviolet lamp 52 Rear cover 6 Filter 7 Shelf 8 Magnetic adsorption strip 9

Claims

1. A housing, an air supply pipe, a blower fan, a constant temperature heating module, and a TiO ２ A disinfection device including a disinfection module and an ultraviolet light module, The housing includes a front door and a rear wall, and an upper exhaust port and a lower intake port are provided in the rear wall. the air supply pipe is attached to the outside of the rear wall, the air supply pipe has an air inlet and an air outlet, the air outlet communicates with the lower air inlet, the blower fan is attached to the air inlet so as to blow air to the air supply pipe; The constant temperature heating module is mounted in the air supply pipe, The ultraviolet module is ２ Mounted in the module, The TiO ２ the constant temperature heating module and the ultraviolet module are both attached to the air supply pipe at a position downstream of the constant temperature heating module and close to the air outlet; The outside air enters the air supply pipe from the air inlet by the action of the blower fan, and is passed through the constant temperature heating module, the TiO ２ A sterilization apparatus, characterized in that air passes through a module, is discharged from the air supply pipe through the air outlet, enters the housing through the lower air inlet, flows from bottom to top in the housing, and finally is discharged from the upper exhaust port.

2. The TiO ２ The module includes a bottom plate and a plurality of vanes disposed at equal intervals above the bottom plate, the bottom plate between two adjacent vanes has a lamp hole, and a mounting groove is formed below the bottom plate; The disinfection apparatus of claim 1, characterized in that the ultraviolet module includes a substrate and a plurality of ultraviolet lamps provided on the substrate corresponding to the positions of the lamp holes, the substrate is embedded in the mounting groove, and the ultraviolet lamps are positioned within the lamp holes so as not to be exposed from the bottom plate.

3. 2. The sterilization apparatus according to claim 1, wherein the area ratio of the lower air inlet to the upper air outlet is 1:0.

66.

4. The sterilization apparatus according to claim 1 , further comprising an exhaust fan attached to the upper exhaust port for discharging air within the housing to the outside of the housing.

5. The disinfection apparatus according to claim 4, further comprising a rear cover provided on the outside of the rear wall and covering the exhaust fan, the blower fan and the air supply pipe, the rear cover being provided with a filter, the filter corresponding to the positions of the exhaust fan and the blower fan, and the filter having silver ions added thereto.

6. The air supply pipe is A duct top cover, a duct bottom cover attached to the rear wall and removably connected to the duct top cover; 2. The disinfection device according to claim 1, comprising:

7. 3. The disinfection apparatus according to claim 2, wherein the number of the blades is seven, the number of the lamp holes and the number of the ultraviolet lamps is twelve, and two lamp holes are provided on the bottom plate between two adjacent blades.

8. The disinfection device according to claim 1, further comprising a magnetic attraction strip provided at a position on the body of the housing that is connected to the front door for opening and closing.

9. Further comprising a smart controller for controlling the sterilization apparatus to switch between an automatic mode, a sterilizer mode, a drying mode and a storage mode; The disinfection apparatus according to claim 1, characterized in that the disinfection mode has six preset operating times of 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, and 60 minutes.

10. 2. The disinfection apparatus according to claim 1, wherein a plurality of shelves are provided in the housing at intervals from top to bottom.

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