An electronic disinfection card

Abstract

The present invention provides an electronic disinfection card, comprising: a second sheet-like component provided with a natural energy collection layer and an energy storage device, wherein the natural energy collection layer is used for collecting solar energy, radio frequency energy and / or temperature difference energy, and converting the collected energy into electric energy through the energy storage device; a first sheet-like component is provided with an air quality detection system for detecting dust particles, pathogens, toxic, harmful, inflammable and explosive gases in the air, and having intelligent early warning and positioning functions; the second sheet-like component is provided with a jet low-temperature microplasma generator and a system control component, and the jet low-temperature microplasma generator performs dynamic, continuous and real-time sterilization and disinfection on the surrounding air and the surface of clothes; the system control component controls the operation of the jet low-temperature microplasma generator according to the detection results of the air quality detection system. The present invention proposes the concept of continuously and dynamically sterilizing the colonies in the air around the human body, solves the trouble of wearing masks, and effectively kills pathogenic bacteria such as bacteria and viruses in the air.

Description

Technical Field

[0001] The present invention relates to the field of disinfection devices, and more particularly, to an electronic disinfection card. Background Art

[0002] Currently, in order to prevent pathogenic bacteria such as bacteria, viruses, and toxic and harmful gases in the air from entering the body through the respiratory tract, people usually wear functional masks. However, wearing masks for a long time can cause skin problems such as "mask face", and long-term wearing can also cause problems such as respiratory discomfort, bringing inconvenience to people's lives. Summary of the Invention

[0003] Therefore, the present invention designs a disinfection card that directly performs dynamic sterilization on the surrounding air to replace the method of wearing masks, relieving people of the trouble of wearing masks. The disinfection card can effectively kill pathogenic bacteria such as bacteria and viruses in the air and degrade toxic and harmful gases. The disinfection card adopts micro-plasma air purification technology, integrating multiple functions such as sterilization, dust removal, decomposition of formaldehyde and TVOC, and has broad application prospects in many fields. However, when the existing plasma air purification technology is worn on the human body, due to the high temperature for forming plasma, harmful nitrogen oxides to the human body will be generated, which will cause harm to the human body. Secondly, the existing core devices are prepared by traditional processes and cannot achieve a thin and light effect. Thirdly, the existing small disinfection and sterilization devices need to be powered by conventional batteries, so the battery life affects their development and use.

[0004] Aiming at the defects in the prior art, the purpose of the present invention is to provide a thin and light electronic disinfection card.

[0005] The present invention provides an electronic disinfection card, comprising:

[0006] A first sheet-like component, which is provided with an air quality detection system for detecting the air quality and transmitting the detection result to an internal system control component, an external AI (Artificial Intelligence) terminal, and a GPS / Beidou positioning system / building internal integrated management system;

[0007] A second sheet-like component connected to one end of the first sheet-like component. By flipping the second sheet-like component, the first sheet-like component and the second sheet-like component can be combined into a sheet-like overall structure or opened to form an inverted V-shaped structure. The inner side of the second sheet-like component is provided with a jet low-temperature micro-plasma generator, an energy storage device, an information interaction system, and a system control component. The outer side of the second sheet-like component is provided with a natural energy collection layer for collecting solar energy, free energy, radio frequency energy, and / or temperature difference energy, and outputting the collected energy to the energy storage device, which is converted into electric energy through the energy storage device;

[0008] The jet low-temperature microplasma generator is used to generate ozone and negative ions, dynamically, continuously, and in real-time sterilize and disinfect the surrounding air and the surface of clothes, and degrade toxic and harmful substances (such as formaldehyde, etc.) in the environment; the system control component is connected to the energy storage device, the air quality detection system, the information interaction system, and the jet low-temperature microplasma generator, controls the operation of the jet low-temperature microplasma generator according to the detection result of the air quality detection system, and transmits data information to the AI terminal and the GPS / Beidou positioning system / building internal integrated management system through the information interaction system to realize the positioning and group use of the disinfection card, and at the same time stores the electric energy output by the energy storage device to provide power for the jet low-temperature microplasma generator and the air quality detection system to realize the self-power supply of the disinfection card.

[0009] Preferably, the system control component is provided with an energy storage module, the input end of the energy storage module is connected to the output end of the energy storage device, and is used to store the electric energy output by the energy storage device.

[0010] Preferably, the air quality detection system includes: an air dust detection system, an airborne pathogen detection system, an air toxic and harmful gas detection system, and an inflammable and explosive gas detection system; the air quality detection system detects environmental temperature and humidity, the number of inhalable particles, the number of pathogens in the air, air quality concentration, ultraviolet intensity, and atmospheric pressure.

[0011] Preferably, the air dust detection system includes at least two infrared MEMS sensor arrays, two comb-shaped (slit width from 20 nanometers to 500 micrometers) optoelectronic MEMS induction diode arrays, and an MCU. The infrared MEMS sensor arrays are used to detect the infrared band in the environment. The MCU calculates the air quality value through model comparison based on the photoelectric conversion efficiency and the solar standard curve parameters corresponding to the infrared band detected by the infrared MEMS sensor arrays. The comb-shaped (slit width from 20 nanometers to 500 micrometers) optoelectronic MEMS induction diode arrays are used to detect the size of particulate matter and the number of inhalable particles.

[0012] Preferably, the AI terminal includes an AI-based data processing module, the information interaction system includes a two-way data interaction wireless communication module, and the GPS / Beidou positioning system / building internal integrated management system includes a GPS / Beidou positioning module, where:

[0013] The two-way data interaction wireless communication module is used to receive external information, and the external information includes information and data detected by meteorological satellites and environmental quality information detected by the disinfection card;

[0014] The AI-based data processing module determines the best operation mode of the disinfection card community based on the external information;

[0015] The GPS / Beidou positioning module is used to provide the positioning information of intelligent devices around the wearer; the GPS / Beidou positioning module is communicatively connected to the two-way data interaction wireless communication module;

[0016] When an abnormal situation is detected, the disinfection card will automatically turn on the artificial intelligence mode, actively search for and turn on the intelligent devices around the wearer, and notify the wearer and the environmental monitoring department in time to take protective measures.

[0017] Preferably, an ozone detector for detecting the concentrations of ozone and negative ions is provided inside the second sheet-like component. The ozone detector transmits the detection result to the system control component according to the overall air quality parameter index formed by integrating the data information of the air quality detection system and the airborne pathogen detection system. The system control component compares the operation models according to the detection result, sets the working mode of the disinfection card, and adjusts the concentrations of ozone and negative ions generated by the jet low-temperature microplasma generator to ensure appropriate concentrations.

[0018] Preferably, the jet low-temperature microplasma generator is in a sheet shape or a capillary shape;

[0019] The pattern of the microplasma generation surface of the jet low-temperature microplasma generator is prepared by using the MEMS patterning process, and a pattern matching the actual use requirements can be designed.

[0020] Preferably, the jet low-temperature microplasma generator is a device in which an ultrasonic jet sheet and a low-temperature microplasma generator are combined into an integral structure.

[0021] Preferably, the jet low-temperature microplasma generator includes:

[0022] A substrate;

[0023] A low-temperature microplasma generation surface disposed on the upper surface of the substrate;

[0024] An ultrasonic jet sheet disposed on the substrate, and the ultrasonic jet sheet is disposed in the middle of the low-temperature microplasma generation surface. Through the ultrasonic jet effect, the transverse wave effect of negative oxygen ions and ozone waveguide can be effectively improved;

[0025] A microplasma generator bottom electrode disposed on the lower surface of the substrate.

[0026] Preferably, the material of the substrate is any one of high dielectric constant materials such as aluminum oxide, aluminum nitride ceramic, and polyimide.

[0027] Preferably, the ultrasonic jet sheet is formed of a thin film material, and the thin film material is stainless steel or polyimide.

[0028] Preferably, the electronic disinfection card is prepared by a micro-nano integrated manufacturing process based on MEMS and IC, providing technical support for the electronic disinfection card to be thin and light.

[0029] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0030] 1. For the above-mentioned disinfection card of the present invention, the concept of continuously and dynamically sterilizing the colonies in the air around the human body and effectively degrading toxic and harmful gases is proposed for the first time. It can perform dynamic, continuous and real-time sterilization and disinfection on the surrounding air, clothing and other surfaces. It is convenient to use, solves the trouble of people wearing masks, and can effectively kill pathogenic bacteria such as bacteria and viruses in the air and effectively degrade toxic and harmful gases. At the same time, by setting up a natural energy collection layer and an energy storage device, it realizes the self-absorbing energy power supply mode, making it extremely convenient to use. Its overall structure is designed as a flipable card structure, which can not only be worn on the body to form a mobile disinfection station, but also can be placed on the window sill or desk in the sun to charge while continuously circulating and disinfecting the indoor air. After the disinfection card is fully charged, it can be placed in the wardrobe or cabinet for sterilization and disinfection of clothes and utensils, and is suitable for various disinfection scenarios such as families and hospitals.

[0031] 2. For the above-mentioned disinfection card of the present invention, it is powered by a self-powered mode, which is not only convenient to use, but also effectively improves the battery life.

[0032] 3. For the above-mentioned disinfection card of the present invention, a self-developed low-temperature micro-plasma generator based on the jet effect is adopted. It combines the low-temperature micro-plasma generator and the ultrasonic jet through non-silicon micro-nano integration manufacturing (MEMS process) to achieve the heterogeneous and high-density integration of the low-temperature micro-plasma unit and the ultrasonic jet unit to achieve ultra-low power consumption, making it have the advantages of light, small and thin. The jet low-temperature micro-plasma generator using MEMS technology, through the optimization of the structure and the improvement of the material, not only has low power consumption, but also can form low-temperature plasma substances, effectively preventing the generation of nitrogen oxides, making plasma disinfection safer and more effective, so as to achieve a harmless disinfection mode of coexistence of humans and machines.

[0033] 4. The disinfection card of the present invention adopts artificial intelligence (AI) intelligent detection and judgment, and can implement intelligent early warning and precise positioning through the GPS / Beidou positioning system / building internal integrated management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] By reading the following detailed description of the non-restrictive embodiments with reference to the accompanying drawings, other features, objects and advantages of the present invention will become more apparent:

[0035] Figure 1It is a schematic diagram of the internal structure of an electronic disinfection card according to a preferred embodiment of the present invention;

[0036] Figure 2 It is a schematic diagram of the external structure of an electronic disinfection card according to a preferred embodiment of the present invention;

[0037] Figure 3 It is a schematic diagram of the working process of an electronic disinfection card according to a preferred embodiment of the present invention;

[0038] Figure 4 It is the overall structure of a bridge-connected sheet jet low-temperature microplasma generator according to a preferred embodiment of the present invention;

[0039] Figure 5 It is the overall structure of a circular sheet jet low-temperature microplasma generator according to a preferred embodiment of the present invention;

[0040] Figure 6 It is a sectional view of the overall structure of a sheet bridge-connected jet low-temperature microplasma generator according to a preferred embodiment of the present invention;

[0041] Figure 7 It is the circuit diagram of an electronic disinfection card according to a preferred embodiment of the present invention.

[0042] The marks in the figure are respectively represented as follows: 1 is the system control component, 2 is the air quality detection system, 3 is the jet low-temperature microplasma generator, 4 is the energy storage device, 5 is the ozone detector, 6 is the natural energy collection layer, 7 is the first sheet component, 8 is the negative oxygen ion and ozone discharge hole, 9 is the second sheet component, 2-1 is the air dust detection system, 2-1A is the infrared MEMS sensor array, 2-1B is the comb-shaped optoelectronic MEMS induction diode array, 2-2 is the airborne pathogen detection system, 2-3 is the air toxic and harmful gas detection system, 2-4 is the flammable and explosive gas detection system, 6-1 is the solar energy absorber, 6-2 is the free energy absorber, 6-3 is the radio frequency energy collector, 6-4 is the temperature difference collector, 15 is the bottom electrode of the microplasma generator, 16 is the substrate, 17 is the microplasma generation surface, 18 is the ultrasonic jet sheet. Specific Embodiments

[0043] The present invention will be described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made. These all belong to the protection scope of the present invention.

[0044] Refer to Figure 1 、 2As shown, it is a schematic structural diagram of an electronic disinfection card according to a preferred embodiment of the present invention. The overall structure of the disinfection card is a card-like structure, which includes a first sheet component 7 and a second sheet component 9. The second sheet component 9 is connected to one end of the first sheet component 7. Preferably, the second sheet component 9 is hinged to one end of the first sheet component 7. By flipping the second sheet component 9, the first sheet component 7 and the second sheet component 9 can be combined into a sheet-like integral structure or opened to form an inverted V-shaped structure.

[0045] Combination Figure 1 and Figure 2 As shown, the outer surface of the first sheet component 7 is provided with an air quality detection system 2, and the air quality detection system 2 detects the air quality; the inner side of the second sheet component 9 is provided with a jet low-temperature microplasma generator 3 (i.e., a microplasma functional module), an energy storage device 4, an information interaction system and a system control component 1; the outer surface (outside or back side) of the second sheet component 9 is provided with a natural energy collection layer 6, and the natural energy collection layer 6 is used to collect solar energy, free energy, radio frequency energy and / or temperature difference energy in nature, wherein free energy is the conversion of the earth's 7.83Hz (Hertz) Schumann wave into electrical energy, and the collected energy is output to the energy storage device 4, which is converted into electrical energy and stored through the energy storage device 4. The jet low-temperature micro-plasma generator 3 is used to generate ozone and negative ions, and to perform dynamic, continuous and real-time sterilization and disinfection of the surrounding air and clothing surfaces, and to degrade toxic and harmful substances in the environment (such as formaldehyde, etc.); the system control component 1 is connected to the energy storage device 4, the air quality detection system 2, the information interaction system and the jet low-temperature micro-plasma generator 3, and controls the operation of the jet low-temperature micro-plasma generator 3 (such as controlling the operating frequency, etc.) according to the detection results of the air quality detection system 2 to ensure that the concentration is moderate and harmless to the human body, and transmits data information to the AI terminal and the GPS / Beidou positioning system / building internal integrated management system through the information interaction system to realize the positioning and group use of the disinfection card; at the same time, the electric energy output by the energy storage device 4 is stored to provide power for the jet low-temperature micro-plasma generator 3 and the air quality detection system 2, so as to realize the self-power supply of the disinfection card.

[0046] In the above embodiment, the system control component 1 may include a central processing unit, information storage, wireless information transmission, GPS / Beidou positioning system / building internal positioning system and power management, which are used to respectively realize the control of the entire system, information storage, wireless information transmission and power management of the entire disinfection card. The external AI terminal is used for comprehensive processing of data information to evaluate environmental quality and guide the working mode of the disinfection card; the GPS / Beidou positioning system / building internal integrated management system is used for precise positioning so as to rush to the scene in time and make emergency treatment.

[0047] In some preferred embodiments, the air quality detection system 2 includes: an air dust detection system 2-1, an airborne pathogen detection system 2-2, a toxic and harmful gas detection system 2-3 in the air, and an inflammable and explosive gas detection system 2-4, which is used to detect the number of pathogens in the air; the air quality detection system 2 detects environmental temperature and humidity, the number of inhalable particles, the number of pathogens in the air, air quality concentration, ultraviolet intensity, and atmospheric pressure. The air dust detection system 2-1 includes at least two infrared MEMS sensor arrays 2-1A, two comb-shaped optoelectronic MEMS induction diode arrays 2-1B (with slit widths ranging from 20 nanometers to 500 micrometers), and an MCU. The infrared MEMS sensor array 2-1A is used to detect the infrared band in the environment. The MCU converts the air quality value through model comparison based on the photoelectric conversion efficiency and the solar standard curve parameters corresponding to the infrared band detected by the infrared MEMS sensor array 2-1A. The comb-shaped optoelectronic MEMS induction diode array 2-1B (with slit widths ranging from 20 nanometers to 500 micrometers) is used to detect the size of airborne particles and the number of inhalable particles through the grating effect of the grating slit. The airborne pathogen detection system contains a quantum dot labeling detection module, which coats the surface of the grid array optoelectronic induction electret film with negatively charged mercaptoacetic acid, which can be connected to the positively charged pathogen protein through electrostatic attraction, and forms luminescent quantum dots through the ultraviolet light emitted by the low-temperature microplasma, thereby showing the pathogens in the air. The toxic and harmful gas detection system 2-3 and the inflammable and explosive gas detection system 2-4 in the air are implemented by an MEMS patch-based electronic nose.

[0048] In some preferred embodiments, the AI terminal (artificial intelligence terminal) is a server terminal integrated with software and hardware such as an AI chip and a self-learning algorithm model, and has self-learning ability. It is integrated into the system control component 1 and is mainly used for information processing and optimization. The AI terminal includes an AI-based data processing module, the information interaction system includes a two-way data interaction wireless communication module (two-way communication interaction module), and the GPS / Beidou positioning system / building internal integrated management system includes a GPS / Beidou positioning module, where: the two-way data interaction wireless communication module is used to receive external information, and the external information includes information and data detected by meteorological satellites and environmental quality information detected by disinfection cards; the AI-based data processing module determines the best operation mode of the disinfection card community based on the external information; the GPS / Beidou positioning module is used to provide positioning information of the smart device around the wearer; the GPS / Beidou positioning module is communicatively connected to the two-way data interaction wireless communication module. Based on the AI-based data processing module + two-way data interaction wireless communication module + GPS / Beidou positioning module, it is possible to detect, evaluate and send the situation of the wearer's surrounding environment at any time. In cooperation with the information and data detected by meteorological satellites, after artificial intelligence (AI) judgment, it provides the best operation mode of the disinfection card community. At the same time, when an abnormal situation is found, the disinfection card will automatically activate the artificial intelligence intelligent mode to actively search for and activate the smart device around the wearer, and can notify the wearer and the environmental monitoring department in time to take protective measures.

[0049] In the above embodiments, the natural energy collection layer 6 can adopt any one of the solar energy absorber 6-1, the free energy absorber 6-2, the temperature difference collector 6-4, and the radio frequency energy collector 6-3.

[0050] Specifically, when the natural energy collection layer 6 selects a solar energy absorber 6-1, the solar energy absorber 6-1 collects solar energy and converts it into electrical energy. The solar energy absorber 6-1 can be realized by using commercially available products such as solar cells, thin-film solar cells, solar cell wafers, or flexible substrate thin-film solar cells. As a preferred embodiment, the solar energy absorber 6-1 selects a solar cell. Using a solar cell on the disinfection card has the advantages of small size, long life, and no environmental pollution; and compared with other batteries, it has low cost, high conversion rate, and less harm to the human body. The solar energy absorber 6-1 adopts a direct light-electricity conversion method, which utilizes the photovoltaic effect to directly convert solar radiant energy into electrical energy. A solar cell is a device that directly converts solar light energy into electrical energy due to the photovoltaic effect. It is a semiconductor photodiode. When sunlight shines on the photodiode, the photodiode will convert the solar light energy into electrical energy and generate current. When many cells are connected in series or in parallel, a solar cell array with a relatively large output power can be formed. For example, in one embodiment, the solar energy absorber 6-1 can adopt a solar flexible multi-layer board with the model number SWF10W.

[0051] When the natural energy collection layer 6 adopts a temperature difference collector 6-4, the temperature difference collector 6-4 generates electrical energy by using the temperature difference between the inside and outside of the disinfection card flip cover. The temperature collector can adopt a thermoelectric battery, which is a commercially available product. The thermoelectric battery has reliable performance, less maintenance, and can work for a long time in extremely harsh environments. The working principle of the thermoelectric battery is that one end of two different types of thermoelectric conversion materials, N-type and P-type semiconductors, is combined and placed in a high-temperature state, and the other end is open-circuited and given a low temperature. Due to the stronger thermal excitation effect at the high-temperature end, the hole and electron concentrations are also higher than those at the low-temperature end. Driven by this carrier concentration gradient, holes and electrons diffuse to the low-temperature end, thus forming a potential difference at the low-temperature open-circuited end; if many pairs of P-type and N-type thermoelectric conversion materials are connected together to form a module, a high enough voltage can be obtained to form a thermoelectric generator. For example, a new type of battery developed by a chip R & D enterprise from Munich, Germany, mainly consists of a silicon chip that can sense temperature differences. When there is a certain temperature difference between the front and back of this silicon chip, the electrons inside will generate a directional flow, thus generating a microcurrent. It is found in practice that "as long as there is a 5°C temperature difference between the human skin and clothes, this battery can provide enough energy for an ordinary wristwatch". For example, in one embodiment, the temperature difference collector 6-4 can adopt a temperature difference absorber with the model number TEC1-24106.

[0052] When the natural energy harvesting layer 6 adopts the RF energy harvester 6-3, the RF energy harvester 6-3 is a way of remote wireless energy transmission through the air. It uses an IC sweep circuit to lock the most efficient resonant frequency and then harvests energy through resonance. The RF energy harvester 6-3 works in the same way as the normal process of an antenna receiving signals. A source (which can be any device or electronic equipment) transmits an RF signal, and an application circuit with a built-in energy conversion circuit receives the RF. Then, the RF induces a potential difference along the entire length of the antenna and generates the movement of charge carriers through the antenna. The charge carriers move to the RF-to-DC conversion circuit, that is, the charge is now converted into a DC current using a circuit temporarily stored in a capacitor. Then, a power regulation circuit is used to amplify the energy or convert it into the potential value required by the load. The RF signal received by the antenna of the RF energy harvester 6-3 has a sinusoidal waveform, which is an AC signal and needs to be converted into a DC signal. A voltage multiplier is used to convert the AC into DC and transfer it to the power management circuit, that is, the power storage unit. This circuit uses a capacitor or a battery for storage and supplies it to the load when needed. For example, in one embodiment, the RF energy harvester 6-3 can adopt an RFID RF energy harvester.

[0053] To better adapt to the use of disinfection, the above-mentioned solar energy absorber 6-1, temperature difference collector 6-4, or RF energy harvester 6-3 provided on the disinfection card all adopt a waterproof and shockproof design, so that they can be used in extreme environments.

[0054] In other preferred embodiments, the system control component 1 is provided with an energy storage module. The input end of the energy storage module is connected to the output end of the energy storage device 4 and is used to store the electric energy output by the energy storage device 4. The energy storage module includes a capacitive energy storage layer or a polymer energy memory and is powered by the electric energy collected by the above-mentioned solar energy absorber 6-1, temperature difference collector 6-4, or RF energy harvester 6-3.

[0055] In other preferred embodiments, an ozone detector 5 for detecting the concentrations of ozone and negative ions is provided inside the second sheet-like component 9. The ozone detector 5 transmits the detection result to the system control component 1 based on the overall air quality parameter index formed by integrating the data information of the air quality detection system 2 and the airborne pathogen detection system 2-2. The system control component 1 compares the operation model according to the detection result and sets the working mode of the disinfection card to adjust the concentrations of ozone and negative ions generated by the jet low-temperature microplasma generator 3 (ozone generator) to ensure appropriate concentrations. Specifically, the system control component 1 determines whether it exceeds the set concentration threshold according to the detection result, and then adjusts the working frequency of the jet low-temperature microplasma generator 3 through the control circuit according to the judgment result to adjust the concentrations of ozone and negative ions generated to ensure appropriate concentrations. In specific implementation, the higher the working frequency, the more ozone is generated. Conversely, the lower the working frequency, the less ozone is generated. The second sheet-like component 9 is provided with negative oxygen ion and ozone discharge holes 8 on the side connected to the first sheet-like component 7 to discharge negative oxygen ions and ozone.

[0056] In the above embodiments, the working modes of the disinfection card include: strong jet mode, strong jet + ionization mode, strong ozone mode, strong jet + strong ionization mode, shutdown alarm mode; when the detection result of the comb-shaped optoelectronic MEMS induction diode array 2-1B exceeds the set concentration threshold, the strong jet mode is activated to reduce the air dust particle density; when the detection result of the infrared MEMS sensor array 2-1A exceeds the set concentration threshold, the strong jet + ionization mode is activated to reduce the haze degree; when the detection result of the airborne pathogen detection system 2-2 exceeds the set concentration threshold, the strong ozone mode is activated to reduce the number of pathogens in the air; when the detection result of the air toxic and harmful gas detection system 2-3 exceeds the set concentration threshold, the strong jet + strong ionization mode is activated to reduce the haze degree; when the detection result of the flammable and explosive gas detection system 2-4 exceeds the set concentration threshold, the shutdown alarm mode is activated to avoid the risk of gas combustion and explosion.

[0057] In other preferred embodiments, the jet low-temperature microplasma generator 3 is a device in which an ultrasonic jet sheet and a low-temperature microplasma generator are combined into an integral structure. Integrating the ultrasonic jet effect and the generation of low-temperature microplasma effectively solves the problem of low transverse wave waveguide efficiency of the propagation of low-temperature negative oxygen ions and ozone, and can be used in plasma disinfection and sterilization scenarios.

[0058] In a specific embodiment, referring to Figure 4 、 Figure 5 、 Figure 6As shown in the figure, the overall structure of the jet low-temperature microplasma generator 3 includes: a substrate 16, a low-temperature microplasma generation surface, i.e., a microplasma generation surface 17, a bottom electrode 15 of the microplasma generator, and an ultrasonic jet sheet 18. Among them, the microplasma generation surface 17 is arranged on the upper surface of the substrate 16; the ultrasonic jet sheet 18 is arranged on the substrate 16, and the ultrasonic jet sheet 18 is located in the middle of the microplasma generation surface 17, and is used to stir the air flow around the microplasma generator, so as to make the air in the disinfection card convect with the external air, so that negative oxygen ions and ozone can be quickly discharged from the disinfection card and diffused into the air for disinfection. The bottom electrode 15 of the microplasma generator is arranged on the lower surface of the substrate 16. The above-mentioned ultrasonic jet sheet is arranged in the middle of the low-temperature microplasma generation surface. Specifically, it can adopt an annular low-temperature microplasma generation surface, where the ultrasonic jet sheet is located in the middle of the ring, or it can adopt two symmetric low-temperature microplasma generation surfaces, and the ultrasonic jet sheet is located between the two symmetric low-temperature microplasma generation surfaces and connects the two. Of course, in other embodiments, other structural settings can also be adopted.

[0059] In the jet low-temperature microplasma generator 3 in the above embodiment, the substrate 16 can be a ceramic substrate, a silicon carbide cloth, or a polyimide film. The microplasma generation surface 17 can be a working electrode of a microplasma generator, which cooperates with the substrate 16 and the bottom electrode 15 to realize the generation of plasma.

[0060] Traditionally, the function of realizing air convection is basically achieved by using a fan. Since the weight, thickness, and volume of the fan all limit its installation in the disinfection card, especially the thickness. However, the above embodiment uses an ultrasonic jet sheet and applies the jet effect, which has a light weight and is ultra-thin. For example, the thickness of the stainless steel sheet or polyimide film that generates the jet is below 0.25 MM; at the same time, the ceramic or ceramic-like material that forms the piezoelectric effect and the substrate of the microplasma generation sheet can be the same substrate, and can be integrally manufactured. Moreover, the thickness of the entire integrally manufactured device is below 1 MM, generally about 0.5 MM. This reduces the weight, volume, and thickness of the entire disinfection card, providing effective support for the preparation of the disinfection card.

[0061] In other preferred embodiments of other parts, the jet low-temperature microplasma generator 3 is in a sheet shape. The pattern of the microplasma generation surface of the jet low-temperature microplasma generator 3 can be designed into any pattern according to the actual use requirements (such as a cross shape, a fishbone shape, a runway shape, a spiral spring shape, etc.) and prepared by the MEMS patterning process. The sheet-shaped jet low-temperature microplasma generator applies voltage to the microplasma generation surface 17 and the bottom electrode 15 of the microplasma generator through the air around the device, and forms uniform ozone on the microplasma generation surface 17 by high-voltage breakdown of the air and diffuses it into the air.

[0062] In other preferred embodiments, the material of the ceramic substrate is aluminum nitride or silicon carbide. Different from the traditional ceramic substrate which uses aluminum oxide (Al2O3), it uses aluminum nitride (AlN) with high thermoelectric conductivity, effectively improving the thermal conductivity.

[0063] In other preferred embodiments, the micro-plasma generating surface 17 is formed of a metal material, and the ultrasonic jet sheet 18 is formed of a thin film material on the substrate 16. This thin film material is shared by the negative electrode and the low-temperature micro-plasma generator. The substrate 16 is made of ceramic, and the material of the thin film material is stainless steel or polyimide. The positive and negative electrodes are respectively connected to the ceramic and the thin film material to form a piezoelectric device. The ultrasonic jet sheet 18 utilizes the piezoelectric effect. When an electric field is applied in the polarization direction of the dielectric, these dielectrics will deform. When the electric field is removed, the deformation of the dielectrics will disappear. This phenomenon is called the inverse piezoelectric effect.

[0064] In the above embodiments, when the substrate 16 is a ceramic substrate and the thin film material of the ultrasonic jet sheet 18 is formed of stainless steel, the substrate 16, the ultrasonic jet sheet 18 and the low-temperature micro-plasma generator form a metal-ceramic laminated structure. When the ultrasonic jet sheet 18 and the low-temperature micro-plasma generator work and perform energy conversion, the ceramic base layer will generate heat. Conventional ceramic base layers all use aluminum oxide, while the heat dissipation effect of aluminum nitride and silicon carbide is far better than that of aluminum oxide.

[0065] Micro-plasma is a typical non-thermal equilibrium low-temperature plasma. Micro-plasma is usually confined within a limited space range and has some characteristics of conventional plasma. Although it is a miniature of conventional plasma, due to the discharge size being reduced to the micron level, micro-discharge plasma can usually operate under atmospheric pressure conditions. Compared with conventional plasma, some new changes occur, such as having a higher plasma density, better stability, and other new characteristics and advantages brought about by this. The discharge conditions of DC discharge plasma follow Paschen's law. That is to say, the breakdown voltage depends on the product of the gas pressure and the electrode gap. The smaller this product is, the lower the breakdown voltage, the more stable the plasma discharge, and the higher the discharge efficiency. Micro-plasma discharge also follows Paschen's discharge conditions, which determines the miniaturization of the micro-plasma device operating under atmospheric pressure conditions, making the device lightweight and portable. At the same time, micro-discharge plasma does not require the vacuum system used by conventional plasma, not only saving costs but also eliminating a large amount of time for obtaining vacuum. From this perspective, micro-plasma is also convenient, economical, and fast. In addition, the micro-plasma discharge in a high-pressure environment is mainly dominated by the three-body collision mechanism, which is not only beneficial to enhancing the radiation intensity but also beneficial to increasing the discharge current density, thus being beneficial to increasing the plasma density.

[0066] For the electronic disinfection card in the above embodiments, the circuit diagram between each system is as shown in Figure 7 and its working process is as shown in Figure 3 . The above disinfection card can perform dynamic, continuous and real-time sterilization and disinfection on the surrounding air, clothing and other surfaces. It is convenient to use, solves the trouble of people wearing masks, can effectively kill pathogenic bacteria such as bacteria and viruses in the air. The electronic disinfection card works in a self-absorbing power supply mode and is extremely convenient to use. It can be hung around the neck, on the upper pocket of the coat or on the brim of a hat, etc. A mobile disinfection station can be formed by wearing it on the body. Moreover, it can be placed on the window sill or desk with sunlight to charge while continuously circulating and disinfecting the indoor air. After the disinfection card is fully charged, it can be placed in the wardrobe or cabinet for sterilization and disinfection of clothes and utensils, and is suitable for various disinfection scenarios such as families and hospitals. The flaky low-temperature micro-plasma generator and the ultrasonic jet sheet are both made by non-silicon MEMS technology to achieve miniaturization, high-density integration and ultra-low power consumption of the ultra-low temperature micro-plasma unit and the ultrasonic unit, making it have the advantages of light weight, small size and thinness.

[0067] The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various deformations or modifications within the scope of the claims, which does not affect the essence of the present invention.

Claims

1. An electronic disinfection card, characterized in that, Comprising: A first sheet-like component, on the outer surface of which an air quality detection system is provided for detecting air quality; A second sheet-like component connected to one end of the first sheet-like component. By flipping the second sheet-like component, the first sheet-like component and the second sheet-like component can be combined into a sheet-like integral structure or opened to form an inverted V-shaped structure; Inside the second sheet-like component, a jet low-temperature microplasma generator, an energy storage device, an information interaction system and a system control component are provided; on the outside of the second sheet-like component, a natural energy collection layer is provided, which is used to collect solar energy, free energy, radio frequency energy and / or temperature difference energy, and output the collected energy to the energy storage device, which is converted into electric energy by the energy storage device; The jet low-temperature microplasma generator is used to generate ozone and negative ions to perform dynamic, continuous and real-time sterilization and disinfection on the surrounding air and the surface of clothes, and degrade toxic and harmful substances in the environment; The system control component is connected to the energy storage device, the air quality detection system, the information interaction system and the jet low-temperature microplasma generator. According to the detection results of the air quality detection system, it controls the operation of the jet low-temperature microplasma generator, and through the information interaction system, transmits data information to the AI terminal and the GPS / Beidou positioning system / building internal integrated management system to realize the positioning and group use of the disinfection card, and at the same time stores the electric energy output by the energy storage device to provide power for the jet low-temperature microplasma generator and the air quality detection system, realizing the self-power supply of the disinfection card.

2. The electronic disinfection card according to claim 1, wherein, The system control component is provided with an energy storage module, the input end of which is connected to the output end of the energy storage device for storing the electric energy output by the energy storage device.

3. The electronic disinfection card according to claim 1, characterized in that, The air quality detection system includes: an air dust detection system, an airborne pathogen detection system, a toxic and harmful gas detection system in the air and an inflammable and explosive gas detection system; the air quality detection system detects environmental temperature and humidity, the number of inhalable particles, the number of pathogens in the air, air quality concentration, ultraviolet intensity and atmospheric pressure.

4. The electronic disinfection card according to claim 3, wherein The air dust detection system includes at least two infrared MEMS sensor arrays, two comb-shaped optoelectronic MEMS induction diode arrays and an MCU. The infrared MEMS sensor arrays are used to detect the infrared band in the environment. The MCU performs model comparison and conversion to obtain the air quality value through the photoelectric conversion efficiency and the solar standard curve parameters corresponding to the infrared band detected by the infrared MEMS sensor arrays. The comb-shaped optoelectronic MEMS induction diode arrays are used to detect the size of particulate matter and the number of inhalable particles.

5. The electronic disinfection card according to claim 1, characterized in that, The AI terminal includes an AI-based data processing module, the information interaction system includes a two-way data interaction wireless communication module, and the GPS / Beidou positioning system / building internal integrated management system includes a GPS / Beidou positioning module, where: The two-way data interaction wireless communication module is used to receive external information, and the external information includes information and data detected by meteorological satellites and environmental quality information detected by the disinfection card; The AI-based data processing module determines the optimal operating mode of the disinfection card community based on the external information. The GPS / Beidou positioning module is used to provide the positioning information of the intelligent device around the wearer; the GPS / Beidou positioning module is communicatively connected to the two-way data interaction wireless communication module. When an abnormal situation is detected, the disinfection card will automatically turn on the artificial intelligence mode, actively search for and turn on the intelligent devices around the wearer, and notify the wearer and the environmental monitoring department in a timely manner to take protective measures.

6. The electronic disinfection card according to claim 3, characterized in that, An ozone detector for detecting the concentrations of ozone and negative ions is provided on the inner side of the second sheet-like component. The ozone detector transmits the detection result to the system control component according to the overall air quality parameter index formed by integrating the data information of the air quality detection system and the airborne pathogen detection system. The system control component compares the operation models according to the detection results and sets the working mode of the disinfection card to adjust the concentrations of ozone and negative ions generated by the jet low-temperature microplasma generator.

7. The electronic disinfection card according to claim 1, characterized in that, The jet low-temperature microplasma generator is in a sheet shape or a capillary shape. The pattern of the microplasma generation surface of the jet low-temperature microplasma generator is prepared by using the MEMS patterning process, and a pattern matching the actual use requirements is designed.

8. The electronic disinfection card according to claim 1, wherein, The jet low-temperature microplasma generator is a device in which an ultrasonic jet sheet and a low-temperature microplasma generator are combined into an integral structure, including: a substrate; a low-temperature microplasma generation surface provided on the upper surface of the substrate; an ultrasonic jet sheet provided on the substrate, and the ultrasonic jet sheet is arranged in the middle of the low-temperature microplasma generation surface to effectively enhance the transverse wave effect of negative oxygen ions and ozone waveguide through the ultrasonic jet effect; a microplasma generator bottom electrode provided on the lower surface of the substrate.

9. The electronic disinfection card according to claim 8, wherein The material of the substrate is any one of aluminum trioxide, aluminum nitride ceramic and polyimide; the ultrasonic jet sheet is formed by using a thin film material, and the thin film material is stainless steel or polyimide.

10. The electronic disinfection card according to any one of claims 1-9, characterized in that, The electronic disinfection card is prepared by using a micro-nano integrated manufacturing process based on MEMS and IC.

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