CN111504008A

CN111504008A - Mask processing device

Info

Publication number: CN111504008A
Application number: CN202010254318.8A
Authority: CN
Inventors: 王宝柱; 王秀战; 张金莉
Original assignee: Youfei Shunde Guangdong Environmental Technology Co ltd
Current assignee: Youfei Shunde Guangdong Environmental Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of mask treatment, in particular to a mask treatment device, which comprises a shell, wherein a mask treatment area is arranged in the shell; the pulse strong light irradiation component comprises a pulse xenon flash tube and a light guide component, and the light guide component enables light rays emitted by the pulse xenon flash tube to emit to the mask processing area; a thermal radiation heating assembly comprising a radiant heat source and a thermal retroreflector to direct heat generated by the radiant heat source to the mask treatment area; the mask processing area is positioned between the electret corona electric field emitting electrode and the electret electric field grounding electrode, and the electret corona electric field emitting electrode comprises a glow plasma discharge needle and an induction electrode which are arranged in a matched mode. The mask treatment device can rapidly dehydrate, disinfect, remove odor and regenerate efficiency of the mask, so that the mask can be safely regenerated and used.

Description

Mask processing device

Technical Field

The invention relates to the technical field of mask treatment, in particular to a mask treatment device.

Background

The outbreak of new crown pneumonia causes the using amount of the mask to be increased sharply, the mask is in short supply all over the world, and the practical significance is provided for how to improve the safety and the wearing comfort of the mask and keep the efficiency of the mask in the effective using period of the mask.

A typical protective mask is made of three layers of materials:

1. surface layer: the hydrophobic modified PP and PET material is adopted for preparation, and the main function is to prevent water drops with large particle size from passing through and attaching to the water drops.

2. Inner layer: the filter layer is made of an electrostatic electret fiber material, an electrostatic electret modified material (mainly a PP material) is melted, sprayed with hot air in an auxiliary mode, and subjected to high-voltage electrostatic electret to form a filamentous material with the diameter of 2-5 um, the filamentous material is piled to form a non-woven fabric, and then the non-woven fabric is subjected to secondary electrostatic electret to form a filter material with an electrostatic field in an inter-filament structure.

3. Laminating layer: is made of hydrophilic spun-bonded non-woven fabrics, is soft and non-irritant, and is used for comfortable face fitting.

The main function of the mask is to form the inner layer, namely the filtering layer.

The factors that reduce the filtering performance of the mask are mainly external factors: particulate matters, microorganisms and the like are trapped and attached, so that the filtration efficiency is reduced; internal factors: the water vapor contained in the exhaled air, the droplets generated by coughing and sneezing, adhere to the filter layer, so that the electrostatic field strength is reduced, the filtering efficiency is reduced, and the resistance is increased.

Some institutional studies have shown that the COVID-19 virus of airborne droplet-borne new coronopneumonia survives for more than 3 hours, the half-life of attachment to the plastic surface is 6 hours and 49 minutes, and the mask is a typical plastic material (most of its raw materials are PP, PET). After each layer of the mask is enriched with infectious bacteria and viruses, the breathing depth is increased particularly along with the increase of resistance caused by the increase of the water content of the inner layer, and the probability of filtration infection or contact infection is increased. Therefore, it is currently recommended that the mask not be reused many times, which is also a major cause of the shortage of masks.

The concentrated particles can be removed by adopting disinfectant and surfactant for soaking and washing, but the fiber electret charge of the inner layer disappears and the filtering effect is lost; the adoption of modes such as steam steaming, hot water boiling, oven drying and the like can cause the electrostatic electret property to disappear, and the filtering performance is greatly reduced.

If can carry out quick dehydration, disinfection, remove flavor, efficiency regeneration to the gauze mask, guarantee the security of gauze mask, wear the efficiency that keeps the gauze mask under the circumstances of travelling comfort, make it to regenerate and use, will slow down the situation that present gauze mask is in short supply greatly to satisfy the user demand of following application scene:

1. family: wearing for a short time, shopping, entertainment and the like;

2. working: meeting and guest meeting are finished; after the short-time contact of the dense places of people; the centralized office places are regenerated periodically;

3. service: the supermarket cash register, the restaurant service and the entertainment place service are periodically regenerated;

4. medical treatment: regular regeneration in general occasions;

5. the hotel: restaurants have a meal, a temporary guest, a trip, etc.

However, in the prior art, there is no device which can rapidly dehydrate, disinfect, deodorize, and efficiently regenerate the mask, so it is difficult to safely regenerate the mask.

The UVC wave band ultraviolet ray has the capability of killing microorganisms, the killing capability and the irradiation dose of the UVC wave band ultraviolet ray to microorganisms such as different viruses, bacteria and the like are verified through experiments, and the mask is of a multilayer fiber accumulation structure, so that the UVC ultraviolet ray with strong penetrating power is needed for rapidly killing deep microorganisms. The pulse xenon lamp with reasonable design and suitable for the driving circuit can emit strong ultraviolet light with instantaneous power of several kilowatts, has powerful penetrability and is suitable for killing deep microbes in short time. Meanwhile, research literature proves that the thermal effect and the impact effect generated by visible and infrared wavelengths contained in the intense pulse light also have the effect of destroying and killing microorganisms. Under the combined action of synergistic effect, the sterilization and disinfection efficiency is further improved.

The infrared absorption peak values of the water and the polypropylene material are concentrated at the wavelength of 2-4 um, the electric heating device which has the wave band emission capability and can be started quickly is adopted, and the water and the PP material can be heated quickly by matching with the heat radiation back reflection and convergence guide structure, so that the water contained on the surface is evaporated, and the air and the metal enclosure component in the treatment area are heated less. The quartz halogen heating tube and the carbon fiber heating tube have the characteristics.

Ozone and negative ions have the capability of eliminating odor and killing microorganisms, and a small amount of ozone-treated textile has a fresh and intuitive feeling of odor.

The electrostatic electret process is a process of ordering dipoles in a high polymer material and is completed with the assistance of an external electric field. After the PP fiber material is heated, an external electric field is applied, the electrostatic field lost on the surface of the electret is easier to restore, and after the PP fiber material is cooled, the electric field intensity of the surface electrostatic electret is restored, so that the trapping capacity of fine particles is restored.

The exhaust structure formed by the exhaust fan and the filter can form a negative pressure chamber structure of a treatment area, which is similar to a negative pressure isolation cabin in a medical environment, so that water vapor, peculiar smell, trace ozone, fiber fallen matters and even microorganisms generated in the treatment process are collected and treated in a centralized manner, and secondary pollution is not generated.

The components are matched with a proper drive control circuit, an enclosure structure and safety measures, so that the mask in use can be quickly dehydrated, disinfected, deodorized and regenerated in efficiency, and the mask is suitable for being effectively and comfortably used in a non-specific environment. However, such a device is not available in the prior art.

Disclosure of Invention

The invention aims to provide a mask treatment device which can quickly dehydrate, disinfect, remove odor and regenerate efficiency of a mask, so that the mask can be safely regenerated and used.

In order to achieve the above object, the present invention provides a mask treatment device, comprising a housing, a mask treatment area arranged in the housing, and a pulsed strong light irradiation assembly comprising a pulsed xenon flash tube and a light guide assembly, wherein the light guide assembly directs light emitted by the pulsed xenon flash tube to the mask treatment area; a thermal radiation heating assembly comprising a radiant heat source and a thermal retroreflector, said thermal retroreflector directing heat generated by said radiant heat source to said mask treatment area; electrostatic electret regeneration electric field subassembly, its including relative electret corona field projecting pole and the electret field earthing pole that sets up, gauze mask treatment area is located between electret corona field projecting pole and the electret field earthing pole, electret corona field projecting pole is including pairing the glow plasma discharge needle and the induction electrode that set up.

Further, the light guide assembly comprises a parabolic reflector and a back reflector and a front reflector which are arranged in the parabolic reflector; the pulse xenon flash tube is positioned on a symmetrical surface of the parabolic reflector, the distance between the glass shell axis of the pulse xenon flash tube and the focus of the parabolic reflector is 0-2 r, wherein r is the glass shell radius of the pulse xenon flash tube; the direction of the light outlet of the parabolic reflector is taken as the lower part, the back reflector is positioned above the pulse xenon flash tube, and the front reflector is positioned below the pulse xenon flash tube.

Further, the back reflection mirror comprises two downward reflection surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two downward reflection surfaces is larger than 90 degrees; the front reflector comprises two upward reflecting surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two upward reflecting surfaces is larger than 90 degrees.

Further, the thermal back reflector comprises a thermal radiation reflector disposed within the parabolic reflector and below the front reflector, the radiant heat source being below the thermal radiation reflector; the heat radiation reflecting mirror comprises two downward reflecting surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two downward reflecting surfaces is larger than 90 degrees.

Furthermore, the electret electric field grounding electrode is of a metal net structure and is arranged at the light outlet of the parabolic reflector, and the area of the metal part of the electret electric field grounding electrode relative to the light outlet is less than 10%.

Furthermore, one end of the glow plasma discharge needle is of a pointed structure, the induction electrode is of a round hole shape, and the glow plasma discharge needle points to the middle of the induction electrode.

Further, the housing is provided with an exhaust port communicating to the mask treatment area, and a fan and a filter assembly are disposed in the exhaust port.

Further, the mask conveying device further comprises a conveying chain, wherein the conveying chain is provided with a plurality of mask hangers, penetrates through the shell and can convey masks to the mask processing area.

Furthermore, with the mask processing area as a boundary, the pulsed strong light irradiation component, the thermal radiation heating component and the electret electric field grounding electrode are positioned on the same side and form a first side component, and the electret corona electric field emitter is positioned on the other side and form a second side component; and a plurality of groups of the first side assemblies and the second side assemblies are arranged on two sides of the conveying path of the conveying chain and are arranged in a crossed manner.

Further, on two sides of the conveying path of the conveying chain, the high voltage polarity of all the glow plasma discharge needles on the same side is opposite to that of all the glow plasma discharge needles on the other side.

When the mask treatment device is used, the pulsed high light irradiation component is used for quickly killing microorganisms such as viruses and bacteria attached to the mask, the thermal radiation heating component is used for quickly removing water adsorbed on the surface of the fiber, and the electrostatic electret regenerative electric field component is used for supplementing and enhancing the electrostatic field intensity of the electret, so that the filtering efficiency of the mask is recovered or improved.

Drawings

Fig. 1 is a schematic view of the structure of a mask treatment device according to the present invention;

fig. 2 is a schematic view of the mask treatment device of the present invention at another angle;

FIG. 3 is a schematic illustration of a pulsed intense light and infrared radiation path, wherein the dashed line is the pulsed intense light path and the dashed-two dotted line is the infrared radiation path;

FIG. 4 is a schematic diagram of a cross-sectional structure of an electret corona field emitter;

FIG. 5 is a simplified schematic illustration of an electret corona field emitter configuration at another angle;

FIG. 6 is a schematic diagram of the structure of an electret electric field ground electrode;

fig. 7 is a schematic structural diagram of the mask treatment device provided with a conveying chain, two groups of pulsed strong light irradiation components, a thermal radiation heating component and an electrostatic electret regeneration electric field component.

[ description of reference ]

01-mask;

1-shell, 11-mask treatment area;

2-pulse strong light irradiation component, 21-pulse xenon flash tube, 22-parabolic reflector, 23-back reflector and 24-front reflector;

3-a thermal radiation heating component, 31-a radiation heat source, 32-a thermal radiation reflector;

4-electrostatic electret regenerative electric field component, 41-electret corona electric field emitter, 411-glow plasma discharge needle, 412-induction electrode, 42-electret electric field grounding electrode;

51-exhaust, 52-fan, 53-filter assembly;

6-conveying chain.

Detailed Description

The present invention will be described in detail with reference to specific examples.

In the present application, when directional terms are used, they are used for convenience in describing the invention and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and should not be construed as limiting the particular scope of the invention.

In the present invention, unless otherwise explicitly specified or limited, when terms such as "disposed on", "connected" or "connected" are present, these terms are to be interpreted broadly, for example, as being either fixedly connected or detachably connected or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above-mentioned terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention provides a mask treatment device, as shown in fig. 1 to 7, comprising a housing 1, wherein a mask treatment region 11 is provided in the housing 1.

The mask further comprises a pulsed strong light irradiation component 2 which comprises a pulsed xenon flash tube 21 and a light guide component, wherein the light guide component enables light emitted by the pulsed xenon flash tube 21 to emit to the mask processing area 11.

The thermal radiation heating unit 3 includes a radiation heat source 31 and a thermal retroreflector for directing heat generated by the radiation heat source 31 to the mask treatment region 11.

The electrostatic electret regenerative electric field assembly 4 comprises an electret corona electric field emitter 41 and an electret electric field ground electrode 42 which are oppositely arranged, the mask processing area 11 is positioned between the electret corona electric field emitter 41 and the electret electric field ground electrode 42, and the electret corona electric field emitter 41 comprises a glow plasma discharge needle 411 and an induction electrode 412 which are arranged in a matched mode.

Based on foretell setting, when using, pulse highlight irradiation subassembly 2 is used for killing fast and attaches to the virus of gauze mask 01, microorganism such as bacterium, thermal radiation heating element 3 is used for getting rid of fibre surface adsorption's moisture fast, static electret regeneration electric field subassembly 4 is used for supplementing, strengthen electret static electric field intensity, resume or promote the filtration efficiency of gauze mask 01, therefore, compare in prior art, this gauze mask processing apparatus can carry out quick dehydration with gauze mask 01, the disinfection, remove the flavor, efficiency regeneration, make gauze mask 01 can regenerate safely and use.

The mask 01 to be treated can be directly placed or conveyed to the mask treatment area 11, the shell 1 is arranged to prevent the emitted ultraviolet rays from leaking, meanwhile, the exhaust fan forms negative pressure in the mask treatment area 11, and virus, bacteria, smell and surface falling objects are prevented from leaking.

Next, each functional component in the mask treatment device will be described in detail.

Pulse strong light irradiation assembly

The quantity of the pulse strong light irradiation components 2 is at least one group, and the pulse strong light irradiation components are used for quickly killing the microorganisms such as viruses, bacteria and the like attached to the mask 01.

In the embodiment, the pulsed xenon flash tube 21 can emit ultraviolet (VUV), ultraviolet (UVC, UVB, UVA), visible light and infrared (ir) bands, wherein the UVC band emitted by the pulsed xenon flash tube 21 has the effect of rapidly killing viruses and bacteria.

In the present embodiment, the light guiding assembly includes a parabolic reflector 22, and a back reflector 23 and a front reflector 24 disposed inside the parabolic reflector 22; the pulse xenon flash tube 21 is positioned on the symmetrical surface of the parabolic reflector, the distance between the glass shell axis of the pulse xenon flash tube 21 and the focus of the parabolic reflector is 0-2 r, wherein r is the glass shell radius of the pulse xenon flash tube 21; the direction in which the light outlet of the parabolic reflector 22 faces is set to be downward, the back reflector 23 is located above the pulsed xenon flash tube 21, and the front reflector 24 is located below the pulsed xenon flash tube 21. The back reflection mirror 23 comprises two downward reflection surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two downward reflection surfaces is larger than 90 degrees; the front reflector 24 includes two upward reflecting surfaces symmetrically disposed, and the included angle between the two upward reflecting surfaces is greater than 90 °.

Through the light guide assembly, all the light rays emitted by the pulsed xenon flash tube 21 are emitted to the mask processing area 11, and all the light rays emitted by the pulsed xenon flash tube 21 are emitted from the light outlet of the parabolic reflector 22 without being blocked by other components in the parabolic reflector 22 through the arrangement of the shape and the position of the light guide assembly.

Preferably, the parabolic reflector 22, the back reflector 23 and the front reflector 24 are made of polished aluminum alloy and have an aluminum oxide or silicon dioxide coating adhered to the surface.

Thermal radiation heating assembly

The number of the heat radiation heating assemblies 3 is at least one group for rapidly removing moisture adsorbed on the surface of the fiber.

In this embodiment, the radiant heat source 31 may be a carbon fiber heating tube or a halogen lamp tube, the main wavelength is in the near infrared region, the wavelength is 1.6-4.2 um, and the start time is less than 3S. Most preferably, a quartz halogen lamp tube heating heat source is adopted, and the peak wavelength is 2-4 um near infrared distribution; meanwhile, gold is plated on the back-emitting surface of the quartz halogen lamp tube to reflect near infrared rays and improve the irradiation power.

In this embodiment, the thermal retroreflector includes a thermal radiation reflector 32, the thermal radiation reflector 32 being disposed within the parabolic reflector 22 and below the front reflector 24, the thermal radiation reflector 32 and the parabolic reflector 22 constituting the thermal retroreflector. The radiant heat source 31 is located below the heat radiation reflecting mirror 32; the thermal radiation reflecting mirror 32 includes two downward reflecting surfaces symmetrically arranged with a mirror surface angle larger than 90 °. When the heat radiation reflecting mirror 32 and the heat radiation source 31 are both provided in the parabolic reflecting cover 22, the parabolic reflecting cover 22 can reflect the intense pulse light and the infrared radiation at the same time, and the mask processing device is compact in structure. The heat radiation reflecting mirror 32 may be a mirror having a surface coated with a reflective coating synthesized from one or more of alumina, titania, and zirconia. Most preferably with a rutile titanium dioxide nanocoating.

Based on the above structure, the pulsed intense light and the infrared radiation form a path as shown in fig. 3, and the parabolic reflector 22 has two purposes.

Electrostatic electret regenerative electric field assembly

The number of the electrostatic electret regenerative electric field components 4 is at least one group, and the electrostatic electret regenerative electric field components are used for supplementing and enhancing the electrostatic field strength of the electret, recovering or improving the filtering efficiency of the mask 01, and simultaneously have the effect of assisting sterilization and deodorization. For the electrostatic electret regenerative electric field component 4, higher voltage can be provided at the initial stage of use to generate heavy-current glow plasma discharge, so that ion wind, a large amount of negative oxygen ions and a small amount of ozone are generated to realize the effects of auxiliary sterilization and deodorization; and the bottom discharge current is reduced in the later stage of use, and a stable direct current electric field is provided, so that the effect of improving the electrostatic electret effect of the inner layer fiber is realized. Of course, by controlling, the electrostatic electret regenerative field module 4 can only always achieve the effect of enhancing the electrostatic electret effect of the inner layer fiber.

In the present embodiment, the electret field ground electrode 42 is a metal mesh structure, the electret field ground electrode 42 is disposed at the light outlet of the parabolic reflector 22, the area ratio of the metal portion of the electret field ground electrode 42 relative to the light outlet is less than 10%, and preferably, the electret field ground electrode 42 adopts a stainless steel parallel fence structure. After the electret electric field grounding electrode 42 is set to be of a metal mesh structure and is positioned at the light outlet of the parabolic reflector 22, the mask 01 can be prevented from contacting the radiant heat source 31 in the parabolic reflector 22, and meanwhile, the whole mask treatment device is more compact in structure.

In this embodiment, one end of the glow plasma discharge needle 411 is a pointed structure, the induction electrode 412 is a circular hole, and the glow plasma discharge needle 411 is located in the middle of the induction electrode 412. The glow plasma discharge needle 411 may be made of corrosion-resistant stainless steel, tungsten wire, or carbon fiber rod, and most preferably made of a rod-shaped material formed by bonding a plurality of carbon fibers.

Preferably, the glow plasma discharge needle 411 is connected with a high-voltage power supply after being connected with a resistor in series so as to avoid abnormal discharge caused by structural errors and balance an electric field, and the resistance value of the resistor is 1-100M omega.

Controlling a drive assembly

The control driving assembly is used for controlling the pulsed xenon flash tube 21, the radiant heat source 31, the high-voltage power supply (which can be externally arranged or can be an interface arranged in the mask processing device), a fan 52, a conveying chain 6 and the like which are described below, and also comprises a working timing controller aiming at a common surgical mask and a high-efficiency special port 1. The particular type of control drive assembly and control method may be selected by those skilled in the art based on the disclosure of the prior art and will not be described in detail in this application.

Safety control assembly

The safety control assembly includes a temperature detection sensor or a thermal temperature fuse for detecting the temperature of the surface of the mask treatment region 11 or the mask 01 to ensure emergency shutdown and alarm in a specific state.

The safety control assembly comprises a high-voltage power supply abnormal discharge monitoring and alarming device so as to ensure emergency shutdown and alarming under a specific state.

Exhaust gas filter assembly

In this embodiment, the casing 1 is provided with an exhaust port 51 communicating with the mask treatment region 11, and a fan 52 and a filter unit 53 are provided in the exhaust port 51, which are used to generate a negative pressure in the mask treatment region 11, and prevent leakage while removing falling objects, volatile odor, residual ozone, and the like generated during the mask treatment. Preferably, the filter assembly 53 may be formed of one or more of a particulate filter, an organic volatile adsorption filter, and a catalytic purification filter.

Conveying chain

In the embodiment, the mask conveying device further comprises a conveying chain 6, the conveying chain 6 is provided with a plurality of mask hangers, and the conveying chain 6 penetrates through the shell 1 and can convey the masks 01 to the mask processing area 11. Through setting up conveying chain 6, can handle a plurality of gauze masks 01 in proper order, raise the efficiency, simultaneously, in order to avoid the ultraviolet ray to reveal or the virus bacterium reveals, be provided with entry door and export door at the both ends of casing 1.

When the conveying chain 6 is adopted, in order to improve the treatment efficiency of the mask 01, a plurality of groups of the pulsed strong light irradiation component 2, the thermal radiation heating component 3 and the electrostatic electret regenerative electric field component 4 can be arranged in the shell 1, and the mask 01 is treated by the plurality of groups of the components on the path conveyed by the conveying chain 6.

Preferably, the mask processing area 11 is a boundary, the pulsed strong light irradiation component 2, the thermal radiation heating component 3 and the electret electric field grounding electrode 42 are positioned on the same side and form a first side component, and the electret corona electric field emitter 41 is positioned on the other side and form a second side component; on both sides of the conveying path of the conveying chain 6, a plurality of groups of first side components and second side components are arranged and arranged in a crossed mode. That is, as shown in fig. 7, each set of the first side modules is opposite to one set of the second side modules (i.e., the electret corona field emitters 41), and in order to uniformly treat the front and back surfaces of the mask 01, the first side modules and the second side modules are arranged in multiple sets and distributed in a crossing manner on both sides of the conveying path of the conveying chain 6.

Further preferably, on both sides of the conveying path of the conveyor chain 6, all of the glow plasma discharge needles 411 located on the same side have a high voltage polarity opposite to that of all of the glow plasma discharge needles 411 located on the other side. That is, as shown in fig. 7, the upper portion of the glow plasma discharge needle 411 is connected to a positive high voltage, and the lower portion of the glow plasma discharge needle 411 is connected to a negative high voltage, which is to ensure the electric field is in the same direction.

Methods of manufacture and use

The reflector with the parabolic structure and the rectangular structure is made of a metal aluminum material, and the width of an opening is 80-160 mm, and the length of the opening is 150-200 mm.

A straight tube type pulse xenon flash tube with the diameter of 5mm and the light emitting length of 180mm is adopted, and the central axis of the pulse xenon flash tube is coincided with the focus of the parabolic reflector.

A back reflector is arranged above the pulse xenon flash tube, a front reflector is arranged below the pulse xenon flash tube, vertex lines of the back reflector and the front reflector are parallel to the central axis of the pulse xenon flash tube and are arranged on the same plane, and the distance between the back reflector and the front reflector and the central axis of the pulse xenon flash tube is 2-5 r. The reflecting surfaces of the back reflector and the front reflector are polished and attached with aluminum oxide or silicon dioxide coatings.

After single luminescence of the pulse xenon flash tube is reflected, the average UVC irradiation intensity of the light outlet>0.5mJ/cm²。

The radiant heat source adopts a near-infrared straight tube type heating source, the diameter is 6-12 mm, the heating radiation length is 180mm, the near-infrared wavelength peak value is 2-5 um, the power is 500-2000W, and the starting speed is less than 3S. The outer layer of the back reflection surface of the near-infrared straight tube type heating source is plated with a gold reflection layer.

The thermal radiation reflector is made of an aluminum material, the surface of the thermal radiation reflector is coated with and sintered with a titanium dioxide coating, and the thickness of the coating is 1-10 microns.

A heat insulation layer is arranged between the front reflector and the heat radiation reflector, and is made of an aluminum silicate fiber material, and the thickness of the heat insulation layer is 1-5 mm.

The grounding electrode of the electret electric field adopts 0.3-1.0 mm stainless steel wires which are arranged on the light outlet in parallel at equal intervals of 5-20 mm.

The above parts constitute a first side assembly.

And in the emitter part of the electret corona field, a glow plasma discharge needle is made of a rod-shaped material which has the diameter of 0.5mm and is formed by bonding a plurality of strands of carbon fibers, one end of the rod-shaped material is ground into a sharp shape, the length of the rod-shaped material is 20mm, the rod-shaped material is arranged on an insulating material plate at equal intervals of 20-70 mm, and the rod-shaped material is connected with a high-voltage power supply through a. The induction electrode is made of a stainless steel sheet, the thickness of the induction electrode is 0.1-1 mm, a hole is formed in the stainless steel sheet at a position corresponding to the glow plasma discharge needle, the hole diameter is 10-60 mm, the glow plasma discharge needle is perpendicular to the induction electrode and points to the center of the hole, and the distance between the tip end and the edge of the hole is 10-30 mm.

The plane of the induction electrode is arranged in parallel with the low-potential electret electric field electrode, and the projection is centered.

The above parts constitute the second side assembly.

The shell is made of stainless steel sheets, and is of a rectangular box-shaped structure with the length of 120-200 mm, the thickness of 80-120 mm and the height of 200-300 mm, and a treatment chamber structure is formed. The upper opening and the lower opening are formed, the mask hanging frame is made of a frame-shaped stainless steel sheet with the same area as the opening, and the mask hanging frame is positioned in the mask processing area.

The upper opening of the shell is provided with a first side component, and the lower opening of the shell is provided with a second side component.

The side surface or the bottom surface area is provided with an exhaust port, a fan and an active carbon filter component are installed, a direct current fan with the blade diameter of 60mm is specifically adopted, and an active carbon honeycomb material with the thickness of 10mm and the aperture of 1mm is installed on one side of the direct current fan.

And a thermal temperature fuse is arranged outside the projection area of the light outlet in the shell, the fusing temperature is 150-200 ℃, and the thermal temperature fuse is connected with the power input of the control driving assembly, and a PT100 temperature sensor is arranged and connected with the control driving assembly.

The integral enclosure structure is manufactured, the control driving assembly is installed inside, the panel is provided with a power switch, a mask type gear selecting switch, a starting switch and corresponding indicating lamps, and the mask type is divided into a common mask and a medical protective mask.

Fixing the mask to be treated on the mask hanger, putting the mask into the treatment chamber, and starting treatment.

When treating a common mask, the total UVC radiation dose>20mJ/cm²The application time of the electret electric field is 5-20S, and the temperature in the cavity<100 degree, duration<30S。

When the medical protective mask is treated, the total UVC radiation dose>50mJ/cm²The application time of the electret electric field is 10-30S, and the temperature in the cavity<120 degree, duration<60S。

And in the treatment process, starting a low-speed gear of the exhaust fan, and after the treatment timing is finished, starting a high-speed gear of the exhaust fan to work for 5-20 seconds.

The above structure is suitable for low-frequency processing.

Based on the first side assembly and the second side assembly, the first side assembly and the second side assembly which are oppositely arranged form a group, two or more groups of the first side assembly and the second side assembly are arranged at two sides of the chamber, the middle part of the chamber is provided with a conveying belt or a mask hanger moving device with a controllable speed and a hook, and the left side and the right side of the chamber are provided with automatic opening and closing sealed doors to form the device shown in figure 7. The gauze mask ear area is fixed in conveyer belt or gauze mask stores pylon, and after the start-up, automatic time sequence control device sends into the processing cavity with the gauze mask to start each processing unit in proper order, accomplish quick dehydration, disinfection, remove flavor, electret regeneration, can use after plucking at the exit end, simple and convenient swift.

The above structure is suitable for high frequency or batch processing.

Through foretell structure setting, this gauze mask processing apparatus satisfies the gauze mask processing demand of following application scene:

1. family: wearing for a short time, shopping, entertainment and the like;

4. medical treatment: regular regeneration in general occasions;

5. the hotel: restaurants have a meal, a temporary guest, a trip, etc.

In conclusion, the mask treatment device can rapidly dehydrate, disinfect, remove odor and regenerate efficiency of the mask, so that the mask is difficult to be safely regenerated and used.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a mask processing apparatus, includes the casing, be provided with mask treatment area in the casing, its characterized in that: also comprises

The pulsed intense light irradiation component comprises a pulsed xenon flash tube and a light guide component, and the light guide component enables light emitted by the pulsed xenon flash tube to emit to the mask processing area;

a thermal radiation heating assembly comprising a radiant heat source and a thermal retroreflector, said thermal retroreflector directing heat generated by said radiant heat source to said mask treatment area;

static electret regeneration electric field subassembly, including relative electret corona field projecting pole and the electret field earthing pole that sets up, gauze mask treatment area is located between electret corona field projecting pole and the electret field earthing pole, electret corona field projecting pole is including pairing the glow plasma discharge needle and the induction electrode that set up.

2. The mask treatment device according to claim 1, wherein:

the light guide assembly comprises a parabolic reflector and a back reflector and a front reflector which are arranged in the parabolic reflector;

the pulse xenon flash tube is positioned on a symmetrical surface of the parabolic reflector, the distance between the glass shell axis of the pulse xenon flash tube and the focus of the parabolic reflector is 0-2 r, wherein r is the glass shell radius of the pulse xenon flash tube;

the direction of the light outlet of the parabolic reflector is taken as the lower part, the back reflector is positioned above the pulse xenon flash tube, and the front reflector is positioned below the pulse xenon flash tube.

3. The mask treatment device according to claim 2, wherein:

the back reflection mirror comprises two downward reflection surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two downward reflection surfaces is larger than 90 degrees;

the front reflector comprises two upward reflecting surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two upward reflecting surfaces is larger than 90 degrees.

4. The mask treatment device according to claim 2, wherein:

the heat back reflector comprises a heat radiation reflector, the heat radiation reflector is arranged in the parabolic reflector and is positioned below the front reflector, and the radiation heat source is positioned below the heat radiation reflector;

the heat radiation reflecting mirror comprises two downward reflecting surfaces which are symmetrically arranged, and the included angle of the mirror surfaces of the two downward reflecting surfaces is larger than 90 degrees.

5. The mask treatment device according to claim 2, wherein: the electret electric field grounding electrode is of a metal net structure and is arranged at the light outlet of the parabolic reflector, and the area of the metal part of the electret electric field grounding electrode relative to the light outlet is less than 10%.

6. The mask treatment device according to claim 1, wherein: one end of the glow plasma discharge needle is of a pointed structure, the induction electrode is of a round hole shape, and the glow plasma discharge needle points to the middle part of the induction electrode.

7. The mask treatment device according to any one of claims 1 to 6, characterized in that: the shell is provided with an exhaust port communicated to the mask treatment area, and a fan and a filter assembly are arranged in the exhaust port.

8. The mask treatment device according to any one of claims 1 to 6, characterized in that: still include the conveying chain, the conveying chain is provided with a plurality of gauze mask stores pylon, the conveying chain passes the casing can carry gauze mask treatment area.

9. The mask treatment device according to claim 8, wherein: the mask processing area is used as a boundary, the pulsed strong light irradiation component, the thermal radiation heating component and the electret electric field grounding electrode are positioned on the same side to form a first side component, and the electret corona electric field emitting electrode is positioned on the other side to form a second side component;

and a plurality of groups of the first side assemblies and the second side assemblies are arranged on two sides of the conveying path of the conveying chain and are arranged in a crossed manner.

10. The mask treatment device according to claim 9, wherein: on two sides of a conveying path of the conveying chain, the high-voltage polarity of all the glow plasma discharge needles positioned on the same side is opposite to that of all the glow plasma discharge needles positioned on the other side.