CN117462723A - Omnidirectional intelligent deep ultraviolet sterilization and disinfection device - Google Patents
Omnidirectional intelligent deep ultraviolet sterilization and disinfection device Download PDFInfo
- Publication number
- CN117462723A CN117462723A CN202311506662.1A CN202311506662A CN117462723A CN 117462723 A CN117462723 A CN 117462723A CN 202311506662 A CN202311506662 A CN 202311506662A CN 117462723 A CN117462723 A CN 117462723A
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- China
- Prior art keywords
- lamp beads
- led lamp
- ultraviolet
- shell
- deep ultraviolet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 26
- 239000011324 bead Substances 0.000 claims abstract description 111
- 230000001954 sterilising effect Effects 0.000 claims abstract description 18
- 230000000249 desinfective effect Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000007872 degassing Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 7
- 229910052753 mercury Inorganic materials 0.000 description 7
- 241000255925 Diptera Species 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 241000700605 Viruses Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—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
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—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
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to the technical field of sterilization and disinfection, in particular to an omnibearing intelligent deep ultraviolet sterilization and disinfection device. Comprising the following steps: the LED lamp comprises a shell, LED lamp beads and a control mechanism; one end of the shell is connected with a rotating mechanism; the LED lamp beads are arranged on the surface of the shell; the control mechanism comprises an infrared detection device; the LED lamp beads comprise ultraviolet lamp beads and infrared lamp beads, and the ultraviolet lamp beads comprise one or more of deep ultraviolet LED lamp beads and near ultraviolet band LED lamp beads; the infrared lamp beads and the ultraviolet lamp beads share or partially share a power supply circuit. The handheld sterilizing and disinfecting device has the advantages that the problem that the handheld sterilizing and disinfecting device is complex in operation, the huge risk that a human body is damaged by deep ultraviolet radiation exists in operation, and the traditional panel type sterilizing and disinfecting lamp can only sterilize and disinfect air in a certain fixed direction and the surfaces of articles, and cannot efficiently sterilize and disinfect surrounding air without dead angles is solved.
Description
Technical Field
The invention relates to the technical field of sterilization and disinfection, in particular to an omnibearing intelligent deep ultraviolet sterilization and disinfection device.
Background
Public areas such as hand basins, toilets and the like are important media for bacteria and viruses to grow, reproduce and spread. At present, the sterilization and disinfection mode aiming at the air in the public area mainly comprises alcohol spraying, disinfectant spraying and the like, but the alcohol cannot be sprayed to the whole space, and the problems of volatilization, untimely spraying, explosion when encountering open fire and the like exist, so that the sterilization and disinfection effect is poor and the potential safety hazard is high. Ultraviolet rays, particularly ultraviolet rays with a luminous wavelength below 280nm in UVC wave band, can destroy the molecular structure of microorganisms in a very short time, and enable bacteria to die or not reproduce, so that the efficient sterilization of bacteria and viruses is realized, and the ultraviolet rays have become one of important means for inhibiting the propagation of bacteria and viruses.
The traditional ultraviolet disinfection device is a mercury lamp, the discharge of mercury can cause serious pollution to the environment, and the national environmental planning agency in 2013 passes the international convention of water convention aiming at controlling the discharge of mercury worldwide. In the use process, the mercury lamp breaks to cause huge potential safety hazard, so the safety problem of the mercury lamp limits the popularization and application of the mercury lamp in the field of sterilization and disinfection in public places. Therefore, the deep ultraviolet LED which is more environment-friendly, light and portable and has small power consumption than the mercury lamp is the mainstream of the future ultraviolet light source.
At present, most of deep ultraviolet LED sterilizing lamps in the market are handheld or panel type sterilizing lamps, and a handheld mode is adopted to sterilize and disinfect a sterilizing area, so that the operation is complicated, and in addition, the great risk that a human body is damaged by deep ultraviolet irradiation exists during the operation. The panel type sterilizing lamp can only sterilize and disinfect the air in a certain fixed direction and the surfaces of articles, and cannot perform dead-angle-free efficient sterilization and disinfection on the surrounding air, so that the sterilizing and disinfecting effect on viruses in the surrounding air is poor.
Disclosure of Invention
In order to solve the problems that the handheld sterilizing and disinfecting device is complex in operation and has a great risk of damaging a human body by deep ultraviolet radiation during operation, and the traditional panel type sterilizing and disinfecting lamp can only sterilize and disinfect air in a certain fixed direction and the surfaces of articles and cannot efficiently sterilize and disinfect surrounding air without dead angles, the invention provides the omnibearing intelligent deep ultraviolet sterilizing and disinfecting device.
In a first aspect, the present invention provides an all-round intelligent deep ultraviolet sterilization and disinfection apparatus, comprising:
the LED lamp comprises a shell, LED lamp beads and a control mechanism;
one end of the shell is connected with a rotating mechanism;
the LED lamp beads are distributed on the surface of the shell, and the density of the LED lamp beads far away from the rotating mechanism part is greater than that of the LED lamp beads near the rotating mechanism part;
the control mechanism comprises an infrared detection device, and a probe of the infrared detection device is arranged on a shell close to the rotating mechanism;
the LED lamp beads comprise ultraviolet lamp beads and infrared lamp beads, and the ultraviolet lamp beads comprise one or more of deep ultraviolet LED lamp beads and near ultraviolet band LED lamp beads;
the infrared lamp beads and the ultraviolet lamp beads share or partially share a power supply circuit.
In some embodiments, the LED light beads further comprise visible light LED light beads, and the power supply line of the visible light LED light beads is independent of the ultraviolet light beads.
In some embodiments, the visible light LED beads have a spectral wavelength coverage of 420-600nm.
In some embodiments, the housing surface includes a first mounting region, a second mounting region, and a third mounting region, the number or total power of infrared beads within the first mounting region being lower than the second mounting region; the number or the area of the ultraviolet lamp beads in the third installation area is higher than that of the second installation area; and the third mounting region includes a specular reflection region.
In some embodiments, the device further comprises a photosensitive sensor, wherein the photosensitive sensor is in electrical signal connection with the control mechanism and is arranged at the top of the shell.
In order to solve the problems that the handheld sterilizing and disinfecting device is complex in operation and has a huge risk of damaging a human body by deep ultraviolet radiation during operation, and the traditional panel type sterilizing and disinfecting lamp can only sterilize and disinfect air in a certain fixed direction and the surfaces of articles and cannot efficiently sterilize and disinfect surrounding air without dead angles, the invention has the following advantages:
the device has the ability of carrying out the high-efficient disinfection of no dead angle to the surrounding air to whether there is personnel in the room through infrared detection device intelligence distinguishing, so judge whether work, avoid ultraviolet ray to cause the injury to the human body.
Drawings
Fig. 1 shows an overall structure schematic diagram of an intelligent air sterilizer according to an embodiment.
Reference numerals:
100-an omnibearing intelligent deep ultraviolet sterilization and disinfection device; 101-a housing; 102-deep ultraviolet LED lamp beads; 103-visible light or near ultraviolet band LED lamp beads; 104-hanging rods; 105-a rotation mechanism; 106-a control mechanism; 107-wires.
Detailed Description
The disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those of ordinary skill in the art to better understand and thus practice the present disclosure, and are not meant to imply any limitation on the scope of the present disclosure.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment. The term "another embodiment" is to be interpreted as "at least one other embodiment".
According to an embodiment of the present invention, there is provided an all-round intelligent deep ultraviolet sterilization and disinfection apparatus, as shown in fig. 1, including:
a housing 101, LED lamp beads, a control mechanism 106;
one end of the housing 101 is connected to a rotation mechanism 105;
the LED lamp beads are distributed on the surface of the shell 101, and the density of the LED lamp beads at the part far away from the rotating mechanism 105 is greater than that of the LED lamp beads at the part close to the rotating mechanism 105;
the control mechanism 106 comprises an infrared detection device, and a probe of the infrared detection device is arranged on the shell 101 close to the rotating mechanism 105;
the LED lamp beads comprise ultraviolet lamp beads and infrared lamp beads, and the ultraviolet lamp beads comprise one or more of deep ultraviolet LED lamp beads 102 and near ultraviolet band LED lamp beads;
the infrared lamp beads and the ultraviolet lamp beads share or partially share a power supply circuit.
In this embodiment, the omnibearing intelligent deep ultraviolet sterilization and disinfection apparatus 100 may include: the shell 101 can be provided in different shapes, but the cost of the sphere is the lowest and the sphere is the easiest to process, and the spherical shell 101 is adopted in the embodiment; the deep ultraviolet LED lamp beads 102 and the visible light or near ultraviolet band LED lamp beads 103 are positioned on the surface of the spherical shell 101; a boom 104 for fixing the spherical housing 101; a rotation mechanism 105 located between the boom 104 and the spherical housing 101; a control mechanism 106, wires 107 and a motor located inside the spherical housing 101. The light emission wavelength of the deep ultraviolet LED lamp beads 102 is less than 300nm, and the light emission wavelength of the visible light or near ultraviolet band LED lamp beads 103 is in the range of 300nm-800 nm. The motor is electrically connected with the control mechanism 106 and is arranged at the bottom of the shell 101, and the output end is in transmission connection with the rotating mechanism 105. When the motor is started, the rotating mechanism 105 drives the spherical shell 101 to rotate, the ultraviolet irradiation area angle formed when the shell 101 rotates around the rotating shaft restrained by the first rotating mechanism 105 is 180-300 degrees, the distribution density of LED lamp beads far away from the rotating mechanism 105 is larger than that of LED lamp beads near the rotating mechanism 105, the interference of the rotating mechanism 105 on lighting effect is avoided, the whole space is uniformly distributed under illumination intensity, and good sterilization and disinfection effects of air and the surfaces of objects in the whole space are ensured. In addition, the infrared detection device can be used for detecting whether an indoor person exists, when the indoor person does not exist, the control mechanism 106 conducts the ultraviolet lamp bead circuit to supply power to the ultraviolet lamp beads and the infrared lamp beads, so that areas with different temperatures are formed on the shell 101, the density of the ultraviolet lamp beads in the area with higher temperature is higher than that of the ultraviolet lamp beads with lower temperature, and the rotating motor is started to enable the shell 101 to rotate; and stopping supplying power to the ultraviolet lamp beads when indoor personnel exist. The ultraviolet lamp beads and the infrared lamp beads share or partially share the power supply circuit, so that the circuit structure is simplified, the cost is reduced, meanwhile, the centralized control of the LED lamp beads can be realized through the control mechanism 106, and the operation convenience is improved.
In some embodiments, the LED light beads further comprise visible light LED light beads, and the power supply line of the visible light LED light beads is independent of the ultraviolet light beads.
In this embodiment, the visible light lamp bead is mainly used to indicate the range that ultraviolet light can reach in the space, provides a visual indication, lets people know the radiation range and intensity of ultraviolet light, and in addition, the illuminance of visible light can be for infrared sensor power supply, so the power supply line and the ultraviolet lamp bead of visible light LED lamp bead are independent, ensure the independent control of visible light LED lamp bead.
In some embodiments, the spectral wavelength of the visible LED beads covers 420-600nm.
In this embodiment, the spectrum wavelength range is 360-600nm, which is the sensitive wavelength range of the mosquito, so the visible light LED lamp beads can prompt the user of the working condition of the deep ultraviolet LED lamp beads 102 on one hand, and can attract the mosquito to attach near the omnibearing intelligent deep ultraviolet sterilization and disinfection device 100 on the other hand, and kill the mosquito through the high-energy light emitted by the deep ultraviolet LED lamp beads 102.
In some embodiments, the housing 101 surface includes a first mounting region, a second mounting region, and a third mounting region, the number or total power of infrared beads within the first mounting region being lower than the second mounting region; the number or the area of the ultraviolet lamp beads in the third installation area is higher than that of the second installation area; and the third mounting region includes a specular reflection region.
In this embodiment, the lamp bead mounting holes on the surface of the spherical shell include one to five lamp bead mounting holes, including an ultraviolet lamp bead mounting hole and a visible lamp bead mounting hole, and the ultraviolet lamp bead mounting hole and the visible lamp bead mounting hole are inconsistent in shape. Five mounting holes in one mounting area to ensure different design purposes, such as sterilization for all deep ultraviolet LED beads 102; the deep ultraviolet LED lamp beads 102 are added with infrared lamp beads to induce mosquito killing; the ultraviolet LED lamp beads 102 are added with visible light lamp beads for sterilization prompt; the visible light lamp beads and the infrared lamp beads are arranged in an area to induce mosquitoes, and at least one combination of the deep ultraviolet LED lamp beads 102 and the infrared lamp beads exists around the area to enable the temperature rise of the area to be higher than the area, so that the insecticidal effect is improved. In addition, the radiation effect of the ultraviolet lamp beads can be enhanced by the specular reflection area, and uniform and efficient disinfection effect is ensured.
In some embodiments, a photosensor is also included, and the photosensor is electrically connected to the control mechanism 106 and is disposed on top of the housing 101.
In this embodiment, the photosensitive sensor is used for controlling the opening of the infrared lamp beads, and when the photosensitive sensor is at a high level, the infrared lamp beads are not opened, so that mosquitoes are not attracted. The photosensitive sensor is arranged at the top of the shell 101 to avoid the visible light lamp beads, so that the interference of the visible light lamp beads to the photosensitive sensor is avoided.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of implementing the disclosure, and that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure.
Claims (5)
1. An all-round intelligent deep ultraviolet sterilization degassing unit, its characterized in that includes:
the LED lamp comprises a shell, LED lamp beads and a control mechanism;
one end of the shell is connected with a rotating mechanism;
the LED lamp beads are distributed on the surface of the shell, and the density of the LED lamp beads far away from the rotating mechanism part is greater than that of the LED lamp beads near the rotating mechanism part;
the control mechanism comprises an infrared detection device, and a probe of the infrared detection device is arranged on a shell close to the rotating mechanism;
the LED lamp beads comprise ultraviolet lamp beads and infrared lamp beads, and the ultraviolet lamp beads comprise one or more of deep ultraviolet LED lamp beads and near ultraviolet band LED lamp beads;
the infrared lamp beads and the ultraviolet lamp beads share or partially share a power supply circuit.
2. The omnibearing intelligent deep ultraviolet sterilization and disinfection device according to claim 1, wherein the LED lamp beads further comprise visible light LED lamp beads, and a power supply circuit of the visible light LED lamp beads is independent from the ultraviolet lamp beads.
3. The omnibearing intelligent deep ultraviolet sterilization and disinfection device according to claim 2, wherein the spectrum wavelength of the visible light LED lamp beads covers 420-600nm.
4. The omnibearing intelligent deep ultraviolet sterilization and disinfection device according to claim 2, wherein the surface of the shell comprises a first installation area, a second installation area and a third installation area, and the number or total power of infrared lamp beads in the first installation area is lower than that in the second installation area; the number or the area of the ultraviolet lamp beads in the third installation area is higher than that of the second installation area; and the third mounting region includes a specular reflection region.
5. The omnibearing intelligent deep ultraviolet sterilizing and disinfecting device according to claim 1, further comprising a photosensitive sensor, wherein the photosensitive sensor is electrically connected with the control mechanism and is arranged at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311506662.1A CN117462723A (en) | 2023-11-13 | 2023-11-13 | Omnidirectional intelligent deep ultraviolet sterilization and disinfection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311506662.1A CN117462723A (en) | 2023-11-13 | 2023-11-13 | Omnidirectional intelligent deep ultraviolet sterilization and disinfection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117462723A true CN117462723A (en) | 2024-01-30 |
Family
ID=89629227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311506662.1A Pending CN117462723A (en) | 2023-11-13 | 2023-11-13 | Omnidirectional intelligent deep ultraviolet sterilization and disinfection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117462723A (en) |
-
2023
- 2023-11-13 CN CN202311506662.1A patent/CN117462723A/en active Pending
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