CN114569754A - Ultraviolet disinfection and sterilization device and disinfection and sterilization method for traditional Chinese medicine powder - Google Patents

Ultraviolet disinfection and sterilization device and disinfection and sterilization method for traditional Chinese medicine powder Download PDF

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Publication number
CN114569754A
CN114569754A CN202210343633.7A CN202210343633A CN114569754A CN 114569754 A CN114569754 A CN 114569754A CN 202210343633 A CN202210343633 A CN 202210343633A CN 114569754 A CN114569754 A CN 114569754A
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chinese medicine
traditional chinese
medicine powder
uvc
led lamp
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童玉珍
王�琦
郑宇熙
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Dongguan Institute of Opto Electronics Peking University
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Dongguan Institute of Opto Electronics Peking University
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Priority to CN202210343633.7A priority Critical patent/CN114569754A/en
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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
    • A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
    • A61L2/0011—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using physical methods
    • A61L2/0029—Radiation
    • A61L2/0047—Ultraviolet radiation
    • 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
    • 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
    • A61L2202/20—Targets to be treated
    • A61L2202/21—Pharmaceuticals, e.g. medicaments, artificial body parts
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

An ultraviolet disinfection and sterilization device and a disinfection and sterilization method for traditional Chinese medicine powder, the ultraviolet disinfection and sterilization device comprises a supporting component, a disinfection component and a controller, the supporting component comprises a shell, a transparent roller and a rotating shaft, the transparent roller is rotatably connected in the shell and used for loading the traditional Chinese medicine powder, the rotating shaft penetrates through the transparent roller, and the rotating shaft is used for driving the transparent roller to rotate; the sterilizing assembly comprises a PCB and a plurality of UVC-LED lamps, the PCB is arranged in the shell, and each UVC-LED lamp is electrically connected with the PCB; the controller is used for controlling the operation of the rotating shaft and the UVC-LED lamp. The ultraviolet disinfection and sterilization device realizes sterilization by placing traditional Chinese medicine powder on the transparent roller under the irradiation of the UVC-LED lamp, has broad-spectrum disinfection and sterilization effect on most bacteria, viruses and microorganisms, and does not change the material characteristics or medicinal components of the traditional Chinese medicine powder; the transparent roller is driven to rotate by the rotating shaft, so that the traditional Chinese medicine powder is turned in the transparent roller, the powder particles are not caked, precipitated and accumulated, the effect of complete disinfection and sterilization is achieved, and the use is convenient.

Description

Ultraviolet disinfection and sterilization device and disinfection and sterilization method for traditional Chinese medicine powder
Technical Field
The invention relates to the technical field of disinfection, in particular to an ultraviolet disinfection device and method for traditional Chinese medicine powder.
Background
Sterilization refers to the reduction in the number of microbe-bacteria present per unit amount of material, usually a corresponding treatment of the surface. When sterilizing surfaces, in addition to having a high sterilising effect, it is important that the material delimited by the surface also maintains its initial state as much as possible. In practice, sterilization of powders (granules such as Chinese medicinal powder) is particularly difficult. Currently, methods for sterilizing powder particles such as Chinese medicinal powder are classified into chemical methods, physical methods and thermal methods. The chemical method is less used for sterilizing and disinfecting powder particles such as traditional Chinese medicine powder and the like; physical methods include ionizing radiation Co-60, X-rays and gamma rays, and also autoclaving at 7000bar pressure. The method for sterilizing and disinfecting powder particles such as the traditional Chinese medicine powder has the defects that the active ingredients of the traditional Chinese medicine are affected and the quality of the medicine is difficult to ensure. However, the thermal method is not suitable for the traditional Chinese medicinal materials of which the effective components are heat-sensitive and easily oxidized substances, because the traditional Chinese medicinal materials are easily oxidized and damaged at high temperature.
Disclosure of Invention
In view of the above, there is a need to provide an ultraviolet disinfection and sterilization device and method for traditional Chinese medicine powder, which is convenient to use, simple and easy to control, and does not change the material characteristics or medicinal components of the traditional Chinese medicine powder.
An ultraviolet disinfection and sterilization device for traditional Chinese medicine powder comprises a supporting component, a disinfection component and a controller, wherein the supporting component comprises a shell, a transparent roller and a rotating shaft, the transparent roller is rotatably connected in the shell and used for loading the traditional Chinese medicine powder, the rotating shaft penetrates through the transparent roller and is used for driving the transparent roller to rotate; the disinfection component comprises a PCB and a plurality of UVC-LED lamps, the PCB is mounted in the shell, and each UVC-LED lamp is electrically connected with the PCB; the controller is used for controlling the operation of the rotating shaft and the UVC-LED lamp.
In one embodiment, the supporting assembly further includes a surface cover and a bottom cover, and the surface cover and the bottom cover are respectively disposed at two ends of the housing.
In one embodiment, the cross section of the housing is polygonal, the number of the PCB boards is multiple, and the PCB boards are respectively mounted on the inner wall of the housing.
In one embodiment, one end of the transparent drum is disposed flush with the face cover.
In one embodiment, the supporting assembly further comprises a sealing cover, a material opening is formed in one end, connected with the face cover, of the transparent roller, the sealing cover is arranged corresponding to the material opening, and the sealing cover is used for covering the transparent roller.
In one embodiment, the inner wall of the transparent cylinder is coated with an anti-stick powder layer.
In one embodiment, the transparent roller is made of one of optical quartz glass and PMMA.
In one embodiment, the sterilizing assembly further comprises a driving power supply electrically connected with each PCB; the driving power supply is in signal connection with the controller, and the controller is used for controlling the operation of the driving power supply.
An ultraviolet disinfection and sterilization method for traditional Chinese medicine powder is based on an ultraviolet disinfection and sterilization device for traditional Chinese medicine powder, and the device comprises a supporting component, a disinfection component and a controller, wherein the supporting component comprises a shell, a transparent roller, a rotating shaft and a rotating power element, the transparent roller is rotatably connected in the shell and is used for loading traditional Chinese medicine powder, the rotating shaft penetrates through the transparent roller and is used for driving the transparent roller to rotate, and the rotating power element is used for driving the rotating shaft to rotate; the sterilizing component comprises a PCB and a plurality of UVC-LED lamps, the PCB is mounted in the shell, each UVC-LED lamp is electrically connected with the PCB, the controller is used for controlling the operation of the rotary power element and the UVC-LED lamps, and the ultraviolet sterilizing method for the traditional Chinese medicine powder comprises the following steps:
feeding; putting the traditional Chinese medicine powder into the transparent roller;
sterilizing; the rotating power element drives the rotating shaft to rotate, and the rotating shaft drives the transparent roller filled with the traditional Chinese medicine powder to rotate at a constant speed; meanwhile, according to the type attributes of different traditional Chinese medicine powder, the controller is used for adjusting the radiation dose of the UVC-LED lamp to sterilize;
packaging; pouring out the sterilized traditional Chinese medicine powder from the transparent roller, and then performing aseptic drying and packaging.
In one embodiment, in the sterilization step, the radiation dose of the UVC-LED lamp is metered, so that the killing LOG value of the virus and the radiation dose (time) satisfy a rule of linear relation; the calculation formula is as follows:
kill LOG (1-kill rate, 10);
kill LOG value of P0；
P0＝Ps/π(htan(Ф/2))2；
Wherein, P0: average optical power density of the object surface; h: UVC-LED lamp radiation height; p isS: UVC-LED lamp radiation dose; Φ: UVC-LED lamp radiation angle;
X(μW/cm2)×Y(min)＝PS(mJ/cm2)；
wherein X is the intensity of the surface of the irradiated medicinal powder; y: accumulating the irradiation time; p isS: radiation dose of UVC-LED lamp;
obtaining a killing LOG value through the killing rate, and calculating the radiation dose P of the UVC-LED lamp according to the radiation height h of the UVC-LED lamp and the radiation angle phi of the UVC-LED lampSAnd obtaining irradiation time Y according to the intensity X of the surface of the irradiated medicinal powder, and controlling the operation of the UVC-LED lamp according to the irradiation time Y.
Compared with the prior art, the invention has the following beneficial effects:
according to the ultraviolet disinfection and sterilization device for the traditional Chinese medicine powder, the traditional Chinese medicine powder is placed in the transparent roller, sterilization is realized under the irradiation of the UVC-LED lamp, and the ultraviolet disinfection and sterilization device has broad-spectrum effect on disinfection and sterilization of most bacteria, viruses and microorganisms, and does not change the material characteristics or medicinal components of the traditional Chinese medicine powder; the transparent roller is driven to rotate by the rotating shaft, so that the traditional Chinese medicine powder is turned in the transparent roller, and powder particles cannot be agglomerated, precipitated and accumulated, thereby achieving the effect of complete disinfection and sterilization; the ultraviolet disinfection and sterilization device for the traditional Chinese medicine powder is convenient to use and is beneficial to the industrial popularization of the ultraviolet disinfection and sterilization of the traditional Chinese medicine powder.
Drawings
Fig. 1 is an assembly structure diagram of an ultraviolet disinfection and sterilization device for traditional Chinese medicine powder according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the UV sterilizer for traditional Chinese medicine powder shown in FIG. 1;
fig. 3 is a side view of the ultraviolet sterilizing apparatus for the Chinese medicine powder shown in fig. 1, wherein a cover is not shown.
Reference is made to the accompanying drawings in which:
an ultraviolet sterilizing device 100 for the Chinese medicine powder;
the device comprises a support assembly 10, a shell 11, a transparent roller 12, a rotating shaft 13, a rotating power element 14, a surface cover 15, a bottom cover 16, a sealing cover 17, a sterilizing assembly 20, a PCB (printed circuit board) 21, UVC-LED lamps 22 and a driving power supply 23.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, an ultraviolet disinfection apparatus 100 for traditional Chinese medicine powder according to an embodiment of the present invention includes a support assembly 10 and a disinfection assembly 20, wherein the support assembly 10 includes a housing 11, a transparent roller 12, a rotating shaft 13 and a rotating power element 14, and the disinfection assembly 20 includes a PCB 21 and a plurality of UVC-LED lamps 22; the ultraviolet disinfection and sterilization apparatus 100 for traditional Chinese medicine powder of this embodiment realizes sterilization by placing traditional Chinese medicine powder on a transparent roller under irradiation of the UVC-LED lamp 22, and has broad-spectrum efficacy of disinfection and sterilization of most bacteria, viruses and microorganisms without changing material properties or drug-property components of the traditional Chinese medicine powder; the transparent roller 12 is driven to rotate by the rotating shaft 13, so that the traditional Chinese medicine powder is turned over in the transparent roller 12, and powder particles are not caked, precipitated and stacked, thereby achieving the effect of complete disinfection and sterilization.
As shown in fig. 1 to fig. 3, in the present embodiment, the supporting assembly 10 includes a housing 11, a transparent roller 12, a rotating shaft 13 and a rotating power element 14, the transparent roller 12 is rotatably connected in the housing 11, the transparent roller 12 is used for loading the traditional Chinese medicine powder, the rotating shaft 13 penetrates through the transparent roller 12, the rotating shaft 13 is used for driving the transparent roller 12 to rotate at a constant speed, and the rotating power element 14 is used for driving the rotating shaft 13 to rotate at a constant speed; alternatively, the cross section of the housing 11 is polygonal, and the cross section of the transparent drum 12 is circular; further, the cross section of the housing 11 is a regular hexagon. The transparent roller 12 is made of one of optical quartz glass and PMMA (polymethyl methacrylate) so as to facilitate the transmission of ultraviolet light; in other embodiments, the transparent roller 12 is made of other transparent materials, so long as the ultraviolet light can transmit light; optionally, a material port (not shown) is disposed at one end of the transparent roller 12, the material port is used for putting or pouring the traditional Chinese medicine powder, an anti-sticking powder layer is coated on the inner wall of the transparent roller 12, and further, the anti-sticking powder layer is made of a nano material; the rotary power element 14 is a stepping motor.
In one embodiment, the supporting assembly 10 further includes a surface cover 15 and a bottom cover 16, the surface cover 15 and the bottom cover 16 are respectively disposed at two ends of the housing 11; one end of the transparent drum 12 is disposed flush with the face cover 15. The supporting assembly 10 further comprises a sealing cover 17, the sealing cover 17 is disposed corresponding to the material opening, and the sealing cover 17 is used for covering the transparent roller 12.
As shown in fig. 2 and 3, the sterilizing assembly 20 includes a PCB 21 and a plurality of UVC-LED lamps 22, the PCB 21 is mounted in the housing 11, and each UVC-LED lamp 22 is electrically connected to the PCB 21. Optionally, there are a plurality of PCB boards 21, and each PCB board 21 is mounted on the inner wall of the housing 11; further, the number of the PCB boards 21 is six so that the ultraviolet radiation of the UVC-LED light source is completely irradiated to the inside of the transparent drum 12. The ultraviolet disinfection and sterilization device 100 for the traditional Chinese medicine powder adopts the UVC-LED lamp 22, and the UVC-LED ultraviolet disinfection technology is realized by using a specially designed UVC waveband ultraviolet lamp with high efficiency, high strength and long service life based on the research foundation of modern epidemic prevention science, medicine and photodynamic. Ultraviolet rays damage and destroy nucleic acid through radiation to microorganisms (pathogens such as bacteria, viruses and spores), so that the microorganisms die to achieve the aims of disinfection and sterilization, and the inactivation effect depends on the ultraviolet radiation dose. When UVC ultraviolet rays irradiate the microorganisms, energy is transmitted and accumulated, and the microorganisms are inactivated, so that the aim of disinfection is fulfilled. When the bacteria and viruses absorb more than 3600-65000 uW/cm2, the DNA and RNA have strong destructive power, so that the bacteria and viruses lose viability and reproductive capacity to kill the bacteria and viruses, thereby achieving the effect of disinfection and sterilization. On one hand, the ultraviolet ray can mutate nucleic acid, block the nucleic acid from replicating, block transcription and synthesize protein; on the other hand, the generation of free radicals can cause photoionization, resulting in the death of bacteria.
In one embodiment, the sterilizing assembly 20 further includes a driving power supply 23, the driving power supply 23 is mounted on the bottom cover 16, and the driving power supply 23 is electrically connected to each PCB board 21; alternatively, the driving power supply 23 is plural.
In order to realize automatic control, the ultraviolet disinfection and sterilization apparatus 100 for traditional Chinese medicine powder further comprises a controller (not shown), the rotary power element 14 and the driving power source 23 are respectively in signal connection with the controller, and the controller is used for controlling the operation of the rotary power element 14 and the driving power source 23. According to the type attributes of different traditional Chinese medicine powders, the controller intelligently adjusts the operation of the driving power supply 23, so as to adjust the radiation dose of the UVC-LED lamp 22.
When in use, the traditional Chinese medicine powder is poured into the transparent roller 12 through the material port, and the transparent roller 12 is sealed by the sealing cover 17; then, the rotating power element 14 is rotated to drive the rotating shaft 13 to rotate at a constant speed, the rotating shaft 13 drives the transparent roller 12 to rotate at a constant speed, so that the traditional Chinese medicine powder is driven to turn over, and meanwhile, according to the type attributes of different traditional Chinese medicine powders, the controller intelligently adjusts the operation of the driving power supply 23, so that the radiation dose of the UVC-LED lamp 22 is adjusted, the LOG killing value of viruses and the radiation dose (time) meet the rule of linear relation, and the disinfection and sterilization effects of powder particles are achieved. After sterilization, the sealing cover 17 is opened, the Chinese medicine powder is poured out, and then aseptic drying packaging is carried out, so that the collection and the operation are convenient. The UVC-LED lamp 22 is adopted for disinfection, the broad-spectrum disinfection and sterilization effects on most bacteria, viruses and microorganisms are achieved, and the material characteristics or drug property components of the traditional Chinese medicine powder cannot be changed; the stepping motor is adopted to drive the rotating shaft 13 to rotate, so that the traditional Chinese medicine powder is turned over in the transparent roller 12, and powder particles are not caked, precipitated and stacked, thereby achieving the effect of completely sterilizing the traditional Chinese medicine powder. The ultraviolet disinfection and sterilization device 100 for traditional Chinese medicine powder is suitable for disinfection and sterilization in the manufacturing and processing of powder particles of food, traditional Chinese medicine, raw material medicine and the like.
An ultraviolet disinfection and sterilization method for traditional Chinese medicine powder is based on the ultraviolet disinfection and sterilization device 100 for traditional Chinese medicine powder, and comprises the following steps:
feeding; putting the traditional Chinese medicine powder into a transparent roller 12; alternatively, the sealing cap 17 is opened, the powdered Chinese medicine is poured into the transparent drum 12 through the material opening, and the material opening is sealed with the sealing cap 17.
Sterilizing; the rotating shaft 13 is driven to rotate by rotating the power element 14, and the rotating shaft 13 drives the transparent roller 12 filled with the traditional Chinese medicine powder to rotate at a constant speed; meanwhile, according to the type attributes of different traditional Chinese medicine powders, the controller adjusts the radiation dose of the UVC-LED lamp 22 to sterilize; optionally, in the sterilization step, the radiation dose of the UVC-LED lamp 22 is measured, so that the virus killing LOG value and the radiation dose (time) meet the rule of linear relation; the calculation formula is as follows:
kill LOG (1-kill rate, 10);
kill LOG value of P0；
P0＝Ps/π(htan(Ф/2))2；
Wherein, P0: average optical power density of the object surface; h: UVC-LED lamp radiation height; pS: UVC-LED lamp 22 radiation dose; Φ: UVC-LED lamp 22 radiation angle;
X(μW/cm2)×Y(min)＝PS(mJ/cm2)；
wherein X is the intensity of the surface of the irradiated medicinal powder; y: accumulating the irradiation time; pS: radiation dose of UVC-LED lamp 22;
obtaining a killing LOG value through the killing rate, and calculating the radiation dose P of the UVC-LED lamp 22 according to the radiation height h of the UVC-LED lamp 22 and the radiation angle phi of the UVC-LED lamp 22SAnd then, the irradiation time Y is obtained according to the intensity X of the surface of the irradiated medicinal powder, and the driving power supply 23 is controlled by the controller according to the irradiation time Y, so that the operation of the UVC-LED lamp 22 is controlled, and the UVC-LED lamp is suitable for different traditional Chinese medicine powders.
Packaging; pouring out the sterilized traditional Chinese medicine powder from the transparent roller 12, and then carrying out aseptic drying and packaging.
The ultraviolet disinfection and sterilization device 100 for the traditional Chinese medicine powder realizes sterilization under the irradiation of the UVC-LED lamp 22 by placing the traditional Chinese medicine powder on the transparent roller, has broad-spectrum disinfection and sterilization effects on most bacteria, viruses and microorganisms, and does not change the material characteristics or medicinal components of the traditional Chinese medicine powder; the transparent roller 12 is driven to rotate by the rotating shaft 13, so that the traditional Chinese medicine powder is turned over in the transparent roller 12, and powder particles can not be agglomerated, precipitated and accumulated, thereby achieving the effect of complete disinfection and sterilization; the ultraviolet disinfection and sterilization device 100 for the traditional Chinese medicine powder is convenient to use and is beneficial to the industrial popularization of the ultraviolet disinfection and sterilization of the traditional Chinese medicine powder.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An ultraviolet disinfection and sterilization device for traditional Chinese medicine powder is characterized by comprising a supporting component, a disinfection component and a controller, wherein the supporting component comprises a shell, a transparent roller and a rotating shaft, the transparent roller is rotatably connected in the shell and used for loading the traditional Chinese medicine powder, the rotating shaft penetrates through the transparent roller, and the rotating shaft is used for driving the transparent roller to rotate; the disinfection component comprises a PCB and a plurality of UVC-LED lamps, the PCB is mounted in the shell, and each UVC-LED lamp is electrically connected with the PCB; the controller is used for controlling the operation of the rotating shaft and the UVC-LED lamp.
2. The ultraviolet disinfection and sterilization apparatus for traditional Chinese medicine powder of claim 1, wherein said support assembly further comprises a face cover and a bottom cover, said face cover and said bottom cover are respectively disposed at two ends of said housing.
3. The ultraviolet disinfection apparatus for traditional Chinese medicine powder of claim 2, wherein the cross section of said housing is polygonal, and said PCB board is plural, and each PCB board is mounted on the inner wall of said housing.
4. The ultraviolet disinfection apparatus for traditional Chinese medicine powder of claim 2, wherein one end of said transparent drum is disposed flush with said face cover.
5. The ultraviolet disinfection and sterilization apparatus for traditional Chinese medicine powder of claim 2, wherein the support assembly further comprises a sealing cover, a material opening is arranged at one end of the transparent roller connected with the face cover, the sealing cover is arranged corresponding to the material opening, and the sealing cover is used for covering the transparent roller.
6. The ultraviolet sterilization and disinfection apparatus for traditional Chinese medicine powders as recited in claim 1, wherein the inner wall of said transparent drum is coated with an anti-sticking powder layer.
7. The ultraviolet disinfection apparatus for traditional Chinese medicine powder of claim 1, wherein said transparent drum is made of one of optical quartz glass and PMMA.
8. The ultraviolet disinfection and sterilization apparatus for traditional Chinese medicine powder of claim 1, wherein said disinfection assembly further comprises a driving power source, said driving power source being electrically connected to each of said PCB boards; the driving power supply is in signal connection with the controller, and the controller is used for controlling the operation of the driving power supply.
9. An ultraviolet disinfection and sterilization method for traditional Chinese medicine powder is based on an ultraviolet disinfection and sterilization device for traditional Chinese medicine powder, and the device comprises a supporting component, a disinfection component and a controller, wherein the supporting component comprises a shell, a transparent roller, a rotating shaft and a rotating power element, the transparent roller is rotatably connected in the shell and is used for loading traditional Chinese medicine powder, the rotating shaft penetrates through the transparent roller and is used for driving the transparent roller to rotate, and the rotating power element is used for driving the rotating shaft to rotate; the sterilizing assembly comprises a PCB and a plurality of UVC-LED lamps, the PCB is mounted in the shell, each UVC-LED lamp is electrically connected with the PCB, the controller is used for controlling the operation of the rotary power element and the UVC-LED lamps, and the ultraviolet sterilizing method for the traditional Chinese medicine powder is characterized by comprising the following steps:
feeding; putting the traditional Chinese medicine powder into the transparent roller;
sterilizing; the rotating power element drives the rotating shaft to rotate, and the rotating shaft drives the transparent roller filled with the traditional Chinese medicine powder to rotate at a constant speed; meanwhile, according to the type attributes of different traditional Chinese medicine powder, the controller is used for adjusting the radiation dose of the UVC-LED lamp to sterilize;
packaging; and pouring out the sterilized traditional Chinese medicine powder from the transparent roller, and then performing aseptic drying and packaging.
10. The ultraviolet sterilization method for Chinese medicine powder as claimed in claim 9, wherein in the sterilization step, the radiation dose of the UVC-LED lamp is metered, so that the LOG value of virus killing and the radiation dose (time) satisfy the rule of linear relation; the calculation formula is as follows:
kill LOG (1-kill rate, 10);
kill LOG value of P0；
P0＝Ps/π(htan(Ф/2))2；
Wherein, P0: average optical power density of the object surface; h: UVC-LED lamp radiation height; pS: UVC-LED lamp radiation dose; phi: UVC-LED lamp radiation angle;
X(μW/cm2)×Y(min)＝PS(mJ/cm2)；
wherein X is the intensity of the surface of the irradiated medicine powder; y: accumulating the irradiation time; pS: radiation dose of UVC-LED lamp;
obtaining a killing LOG value through the killing rate, and calculating the radiation dose P of the UVC-LED lamp according to the radiation height h of the UVC-LED lamp and the radiation angle phi of the UVC-LED lampSAnd obtaining irradiation time Y according to the intensity X of the surface of the irradiated medicinal powder, and controlling the operation of the UVC-LED lamp according to the irradiation time Y.
CN202210343633.7A 2022-04-02 2022-04-02 Ultraviolet disinfection and sterilization device and disinfection and sterilization method for traditional Chinese medicine powder Pending CN114569754A (en)

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CN202210343633.7A CN114569754A (en) 2022-04-02 2022-04-02 Ultraviolet disinfection and sterilization device and disinfection and sterilization method for traditional Chinese medicine powder

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070053047A (en) * 2005-11-18 2007-05-23 엘지전자 주식회사 Sterilizable drying machine using ultraviolet radiation
KR101597453B1 (en) * 2014-09-01 2016-02-24 주식회사 씨엘에프하이텍 Smart sterilizer
CN209422530U (en) * 2018-07-10 2019-09-24 湖北省麦吉丽生物科技有限公司 A kind of Cosmetic Manufacture cylinder type ultraviolet disinfection chlorination equipment
CN209464362U (en) * 2018-12-24 2019-10-08 徐艳红 A kind of chlorination equipment
CN113668203A (en) * 2021-09-14 2021-11-19 宁波乐士实业有限公司 Mini type roller clothes dryer and using method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070053047A (en) * 2005-11-18 2007-05-23 엘지전자 주식회사 Sterilizable drying machine using ultraviolet radiation
KR101597453B1 (en) * 2014-09-01 2016-02-24 주식회사 씨엘에프하이텍 Smart sterilizer
CN209422530U (en) * 2018-07-10 2019-09-24 湖北省麦吉丽生物科技有限公司 A kind of Cosmetic Manufacture cylinder type ultraviolet disinfection chlorination equipment
CN209464362U (en) * 2018-12-24 2019-10-08 徐艳红 A kind of chlorination equipment
CN113668203A (en) * 2021-09-14 2021-11-19 宁波乐士实业有限公司 Mini type roller clothes dryer and using method thereof

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