阅读说明：本技术 一种餐具处理装置 (Tableware processing device ) 是由 张金莉 王秀战 于 2020-06-24 设计创作，主要内容包括：本发明涉及餐具处理技术领域,尤其涉及一种餐具处理装置,其包括壳体,壳体设置有内腔,内腔具有餐具处理区域,其还包括脉冲强光辐照组件,其包括脉冲氙气闪光管和导光组件,导光组件使脉冲氙气闪光管所发射的光线射向餐具处理区域；热辐射加热组件,其包括辐射热源和热背射反射器,热背射反射器把辐射热源所产生的热量导向餐具处理区域；辉光等离子体发生组件,用于产生能够运动至餐具处理区域的辉光等离子体。该种餐具处理装置能够餐具进行快速脱水、消毒、除味,使餐具能安全、舒适的使用。(The invention relates to the technical field of tableware treatment, in particular to a tableware treatment device, which comprises a shell, a pulse strong light irradiation component and a light guide component, wherein the shell is provided with an inner cavity, the inner cavity is provided with a tableware treatment area, the pulse strong light irradiation component comprises a pulse xenon flash tube and the light guide component, and the light guide component enables light rays emitted by the pulse xenon flash tube to emit to the tableware treatment 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 ware treatment area; a glow plasma generating assembly for generating a glow plasma capable of moving to a ware processing area. The tableware treatment device can dehydrate, disinfect and remove smell quickly, so that the tableware can be used safely and comfortably.)

1. A utensil treatment apparatus comprising a housing provided with an internal cavity having a utensil treatment area, 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 the light emitted by the pulsed xenon flash tube to be emitted to the tableware processing area;

a thermal radiation heating assembly comprising a radiant heat source and a thermal retroreflector that directs heat generated by the radiant heat source to the dish treatment area;

a glow plasma generating assembly for generating a glow plasma movable to the ware processing area.

2. The cutlery processing apparatus of 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 the 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 cutlery processing apparatus of 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 cutlery processing apparatus of 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 an arc reflecting surface or 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 cutlery processing apparatus of claim 1, wherein: the glow plasma generating assembly comprises a glow plasma discharge needle and an induction electrode which are arranged in a matched mode.

6. The cutlery processing apparatus of claim 5, wherein: one end of the glow plasma discharge needle is of a pointed structure, the circumscribed circle of the induction electrode is circular, and the glow plasma discharge needle points to the middle of the induction electrode.

7. The cutlery processing apparatus of claim 5, wherein: the glow plasma generating assembly further comprises a glow plasma guide shell, the glow plasma discharge needle and the induction electrode are arranged in the glow plasma guide shell, the glow plasma guide shell is provided with a lateral opening, and the lateral opening is located between a light outlet of the light guide assembly and the tableware processing area.

8. The cutlery processing arrangement of any of claims 1-7, wherein: the housing is provided with an exhaust port communicating to the inner cavity, and a fan and a filter assembly are arranged in the exhaust port.

9. The cutlery processing arrangement of any of claims 1-7, wherein: the utensil treatment apparatus further includes a conveyor chain that passes through the housing and is capable of conveying the utensils to the utensil treatment area.

10. The cutlery processing arrangement of any of claims 1-7, wherein: the tableware treatment device further comprises an environment humidity sensor and a driving circuit which are installed on the shell, the pulse xenon flash tube is controlled by the driving circuit, and the environment humidity sensor is in communication connection with the driving circuit.

Technical Field

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

Background

The outbreak of the new coronary pneumonia especially confirms that the new coronary virus can be parasitized in the intestinal tract and can be spread by polluted food or tableware, so that the dining hygiene is comprehensively valued, and after a diner obtains the tableware, the diner can carry out the operation and effective disinfection and purification treatment in person, thereby having control significance for improving the dining hygiene level and controlling the links of disease spreading, and especially having important practical significance for schools, enterprises and public institutions and the like using public tableware.

The common public tableware comprises four parts, namely a tray, a soup bowl, chopsticks, a soup ladle and the like, and is a dining tool which is in closest contact with food and is used most frequently in a crossed mode.

The tray is made of food grade stainless steel material such as SUS304 stainless steel, which is integrally stamped and generally designed to be stackable for storage. As the time of use and the number of cleanings increase, the surface roughness also increases, particularly in the case of cleaning scratches and deep (relative to the diameter of the microorganisms) damage caused by chloride corrosion, which is prone to food residue and microbial growth, and is not easily cleaned. Because of the problem of the washing water quality, part of the metal dinner plate has peculiar smell due to the reproduction of siderophilic bacteria, and even if the dinner plate is dried, the smell still exists. The stacking mode of the dinner plates also brings adverse effects to cleaning, disinfection and drying, and cross secondary pollution is easily caused.

Most soup bowls and spoons are made of stainless steel and ceramics, and have the same problems as the dinner plate.

The tableware cleaning process of the public restaurant mainly comprises the following steps:

1. and cleaning with a detergent to remove oil stain residues.

2. Rinsing to remove residual detergent and draining.

3. Putting into a disinfection cabinet, and performing disinfection treatment by adopting steam, ozone and the like.

4. Stacked in a container for placing and waiting for a diner to take.

Because the operation process is not standard, the number of people for dinner is changed, the storage environment is polluted secondarily, and the phenomena of oil stain and water stain residual on the surface of the tableware occur occasionally, microorganisms are easy to breed, and peculiar smell is accompanied.

Before eating, if the taken tableware can be directly operated by a diner, and the tableware is quickly dehydrated, disinfected and deodorized, the tableware has practical significance in dining sanitation and pleasant psychology.

However, in the prior art, there is no device for rapidly dehydrating, sterilizing and deodorizing tableware, so that it is difficult to safely reuse the tableware.

Disclosure of Invention

The invention aims to provide a tableware treatment device which can quickly dehydrate, disinfect and remove smell of tableware, so that the tableware can be safely and repeatedly used.

In order to achieve the above object, the present invention provides a tableware treating apparatus, comprising a housing, wherein the housing is provided with an inner cavity, the inner cavity is provided with a tableware treating area, the tableware treating apparatus further comprises a pulsed strong light irradiation assembly, the pulsed strong light irradiation assembly comprises a pulsed xenon flash tube and a light guide assembly, and the light guide assembly enables light emitted by the pulsed xenon flash tube to emit to the tableware treating area; a thermal radiation heating assembly comprising a radiant heat source and a thermal retroreflector that directs heat generated by the radiant heat source to the dish treatment area; a glow plasma generating assembly for generating a glow plasma movable to the ware processing area.

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 the 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 an arc reflecting surface or 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.

Further, the glow plasma generating assembly comprises a pair of a glow plasma discharge needle and an induction electrode.

Furthermore, one end of the glow plasma discharge needle is of a pointed structure, the circumscribed circle of the induction electrode is circular, and the glow plasma discharge needle points to the middle of the induction electrode.

Further, the glow plasma generating assembly further comprises a glow plasma guide shell, the glow plasma discharge needle and the induction electrode are arranged in the glow plasma guide shell, the glow plasma guide shell is provided with a lateral opening, and the lateral opening is located between the light outlet of the light guide assembly and the tableware processing area.

Further, the housing is provided with an exhaust port communicating to the inner cavity, and a fan and a filter assembly are arranged in the exhaust port.

Further, the utensil treatment apparatus further comprises a conveyor chain that passes through the housing and is capable of conveying the utensils to the utensil treatment area.

Further, the tableware treatment device also comprises an ambient humidity sensor and a driving circuit which are arranged on the shell, the pulsed xenon flash tube is controlled by the driving circuit, and the ambient humidity sensor is in communication connection with the driving circuit.

When the tableware treatment device is used, the pulse strong light irradiation component emits UVC ultraviolet rays to quickly kill microbes such as viruses and bacteria attached to tableware, the thermal radiation heating component is used for quickly removing water adsorbed on the surface of the tableware, and the glow discharge plasma is helpful for removing odor.

Drawings

FIG. 1 is a schematic diagram of the structure of the tableware treating apparatus of the present invention;

FIG. 2 is a schematic view of the structure of the cutlery handling device of the present invention at another angle;

FIG. 3 is a schematic diagram of a pulsed intense light and thermal 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 simplified schematic diagram of the structure of a glow plasma generating assembly;

FIG. 5 is a simplified schematic illustration of the glow plasma generating assembly at another angle;

FIG. 6 is a schematic view of the tableware treating apparatus of the present invention, in which the conveyer chain is provided and the conveyer chain is folded;

FIG. 7 is a schematic view showing the structure of the tableware treating apparatus of the present invention when the tableware is treated.

[ description of reference ]

01-tableware;

1-shell, 11-dish handling 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-glow plasma generating component, 41-glow plasma discharge needle, 42-induction electrode, 43-glow plasma guide shell and 431-lateral opening;

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 invention provides a tableware treatment device, as shown in fig. 1 to 7, which comprises a shell 1, a pulse strong light irradiation component 2 and a tableware treatment device, wherein the shell 1 is provided with an inner cavity, a tableware treatment area 11 is arranged in the inner cavity, the pulse strong light irradiation component comprises a pulse xenon flash tube 21 and a light guide component, and the light guide component enables light emitted by the pulse xenon flash tube 21 to be emitted to the tableware treatment area 11; a thermal radiation heating assembly 3 comprising a radiant heat source 31 and a thermal retroreflector to direct heat generated by the radiant heat source 31 towards the utensil treatment area 11; a glow plasma generating assembly 4 for generating a glow plasma capable of moving to the ware processing region 11.

Based on foretell setting, during the use, pulse highlight irradiation subassembly 2 is used for killing fast and attaches to microorganisms such as the virus of tableware 01, bacterium, and thermal radiation heating element 3 is used for getting rid of tableware 01 surface adsorption's moisture fast, and glow plasma takes place subassembly 4 and can remove the flavor to tableware 01. Therefore, the tableware treating device can quickly dehydrate, disinfect and remove smell of the tableware 01 within seconds, so that the tableware 01 can be safely and repeatedly used.

The dishes 01 to be treated can be transported to the dish treatment area 11 for treatment, and the housing 1 is provided to prevent the emitted ultraviolet rays from leaking.

Hereinafter, each functional component in the tableware treating apparatus 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 tableware 01.

In the embodiment, the pulsed xenon flash tube 21 can emit light including Vacuum Ultraviolet (VUV), ultraviolet (UVC, UVA), visible light and infrared bands, wherein the UVC band emitted by the pulsed xenon flash tube 21 has the function of rapidly killing viruses and bacteria. UVC wave band ultraviolet ray has the capability of killing microorganisms, the killing capability and the irradiation dose of microorganisms such as different viruses and bacteria are verified through experiments, and deep microorganisms are quickly killed due to the rough surface structure of tableware, and the UVC ultraviolet ray with strong penetrating power is needed. The invention adopts reasonable equipment selection and structural design, and the pulse xenon flash tube 21 driven by the driving circuit can emit strong ultraviolet light with instantaneous power of several kilowatts, has strong penetrability and is suitable for killing deep microorganisms in a short time. The pulsed xenon flash tube 21 is arranged in the light guide component, light rays are projected, reflected and converged by the reflecting surface and finally uniformly irradiated to the surface of the disinfected tableware, the set irradiation dose can kill microorganisms on the surface of an irradiation area and at a certain depth, and the required time is only hundreds of microseconds to milliseconds. The UVC ultraviolet ray can kill microorganisms, decompose organic matters, and particularly decompose trace residual grease, detergent and the like.

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 pulsed xenon flash tube 21 is positioned on the symmetrical surface of the parabolic reflector 22, the distance between the glass shell axis of the pulsed xenon flash tube 21 and the focus of the parabolic reflector 22 is 0-2 r, wherein r is the glass shell radius of the pulsed 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 °.

The light emitted by the pulsed xenon flash tube 21 is directed to the dishware treatment area 11 by the light guide assembly, and the light guide assembly is configured and positioned such that all of the light emitted by the pulsed xenon flash tube 21 is emitted from the light outlet of the parabolic reflector 22 without being obstructed by other components within the parabolic reflector 22.

Preferably, the parabolic reflector 22, the back reflector 23 and the front reflector 24 are polished from stainless steel and have a transparent coating of alumina or silica attached to the surface.

Thermal radiation heating assembly

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

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 3 s. 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. The infrared absorption peak value of water is concentrated at the wavelength of 2-4 um, and the radiation heat source 31 which has the emission capability of the wave band and can be quickly started is adopted, so that the water can be quickly heated, the water adsorbed on the surface of tableware is evaporated, and the air and the metal enclosure components in the treatment area generate less heat.

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 heat radiation reflecting mirror 32 includes an arc-shaped reflecting surface or two downward reflecting surfaces symmetrically arranged, and the included angle between the mirror surfaces of the two downward reflecting surfaces is larger than 90 degrees. When the heat radiation reflecting mirror 32 and the heat radiation source 31 are both disposed in the parabolic reflecting hood 22, the parabolic reflecting hood 22 can reflect both the intensive pulse light and the infrared radiation, and the tableware treating apparatus can be made compact. 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.

Glow plasma generating assembly

The number of the glow plasma generating components 4 is at least one group, and the glow plasma generating components are used for generating a large amount of glow plasma to achieve the effects of assisting sterilization and odor removal. The glow plasma mainly comprises oxygen and water molecules with negative charges, is rapidly combined with the water molecules adsorbed on the surface of the tableware after being migrated and contacted with the surface of the tableware, partially forms a trace amount of hydrogen peroxide under the irradiation of strong ultraviolet rays, and generates Fenton reaction with a trace amount of ferrous ions on the surface of the iron tableware to generate hydroxyl radicals with strong oxidizing property. The oxidation potential of the hydroxyl free radical is second to that of fluorine element, and almost all organic matters can be decomposed and mineralized, so that the odor on the surface of the tableware can be eliminated quickly. The glow plasma generating assembly includes a glow plasma discharge needle 41 and an induction electrode 42 arranged in a paired relationship.

In this embodiment, one end of the glow plasma discharge needle 41 is a pointed structure, the induction electrode 42 is a circular hole formed by multiple arcs, and the glow plasma discharge needle 41 is located in the middle of the induction electrode 42. The glow plasma discharge needle 41 may be made of corrosion-resistant stainless steel, tungsten wire, or carbon fiber rod, and most preferably a rod-shaped material formed by bonding a plurality of carbon fibers with stainless steel wire.

In this embodiment, the glow plasma generating assembly 4 further comprises a glow plasma guide housing 43, the glow plasma discharge needle 41 and the inducing electrode 42 being disposed within the glow plasma guide housing 43, the glow plasma guide housing being provided with a lateral opening 431, the lateral opening 431 being located between the light outlet of the light guide assembly and the cutlery processing area 11. The above structure allows the glow plasma generated to be discharged from the side opening 431, and the glow plasma falls to the dish processing region 11 after being discharged.

Preferably, the glow plasma discharge needle 41 is connected with a high-voltage power supply after being connected with a resistor in series, so that abnormal discharge caused by structural errors is avoided, the electric field is balanced, and the resistance value of the resistor is 1-100M omega.

Driving circuit

The drive circuit 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 tableware processing device), the fan 52, the conveying chain 6 and the like, and also comprises a working time schedule controller which can be additionally provided with a position sensor for detecting the entering of the dinner plate 01. For the driving circuit mentioned in the present invention, based on the disclosure of the functional requirements of the present invention, those skilled in the art know how to implement the related functions, and there are numerous ways of implementing the functions in the art, so the structure of the driving circuit is not detailed in the present application, and those skilled in the art can select the driving circuit according to the disclosure of the prior art. In this embodiment, the tableware treating apparatus further comprises an ambient humidity sensor for detecting the humidity of the environment, the ambient humidity sensor is in communication with the driving circuit, the pulsed xenon flash tube 21 is controlled by the driving circuit, and the output dose of the pulsed xenon flash tube 21 is adjusted in real time according to the detected ambient humidity.

Safety control assembly

The safety control assembly includes a temperature detection sensor or a thermal temperature fuse for detecting the surface of the tableware processing area 11 or the tableware 01 to ensure an emergency stop 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 the present embodiment, the housing 1 is provided with an exhaust port 51 communicating with the dish processing region 11, and a fan 52 and a filter assembly 53 are provided in the exhaust port 51 for generating a negative pressure in the dish processing region 11 to remove falling objects, volatile odor, residual odor, and the like generated during the dish processing while preventing leakage. Preferably, the filter assembly 53 may be made of one or more of a combination of particulate filter, adsorption filter, and catalytic purification filter.

The exhaust filtering component composed of the fan 52 and the filter component 53 can form a negative pressure chamber structure of a processing area, which is similar to a negative pressure isolation cabin of a medical environment, so that water vapor, peculiar smell and trace ozone generated in the tableware processing process are discharged after being filtered and purified, secondary pollution is not generated, and meanwhile, redundant heat is also discharged, thereby avoiding heat accumulation.

Conveying chain

In this embodiment, a conveyor chain 6 is also included, the conveyor chain 6 being provided with a plurality of cutlery trays, the conveyor chain 6 passing through the housing 1 and being capable of conveying cutlery 01 to the cutlery handling area 11. By arranging the conveying chain 6, a plurality of tableware 01 can be sequentially treated, and the efficiency is improved; meanwhile, in order to avoid ultraviolet leakage or virus and bacteria leakage, an entrance door and an exit door are arranged at two ends of the shell 1, and the arrival of the dinner plate 01 is detected through a position sensor and the doors are opened and closed.

When the conveyor chain 6 is used, in order to improve the efficiency of treating the dishes 01, a plurality of groups of the high-pulse light irradiation module 2, the heat radiation heating module 3 and the glow plasma electric field module 4 may be provided in the housing 1, and the dishes 01 are treated by the plurality of groups of the above modules on the path conveyed by the conveyor chain 6.

In order to save space and facilitate transport, the conveyor chain 6 is arranged to be foldable, and the conveyor chain 6 is folded up when not in use.

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 4-6 mm and the total 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 light emission of the pulse xenon flash tube is reflected, the light outlet is flatUVC radiation dose>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 400mm, the near-infrared wavelength peak value is 2-5 um, the power is 500-2000W, and the starting speed is less than 3 s. 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 parabolic reflector, the back reflector, the front reflector and the heat radiation reflector are all of uniform-section stretching structures.

The glow plasma generating assembly is characterized in that a glow plasma discharge needle is made of stainless steel materials, the diameter of the glow plasma discharge needle is 0.5-1.0 mm, one end of the glow plasma discharge needle is ground into a sharp shape, the length of the glow plasma discharge needle is 20mm, the glow plasma discharge needle is arranged on an insulating material plate at equal intervals of 20-70 mm, and the glow plasma discharge needle is connected to a high-voltage power supply through a 10M omega resistor. 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 shell is made of stainless steel sheets to form a processing chamber structure. Left and right openings forming a left side opening and a right side opening. The driving circuit is arranged inside, and the panel is provided with a power switch, a starting switch and a corresponding indicator light. The shell area sets up the gas vent to installation fan and active carbon filter subassembly. And a thermal temperature fuse is arranged outside the projection area of the light outlet in the shell, the fusing temperature is 150-200 ℃, the thermal temperature fuse is connected with the power supply input of the driving circuit, and a PT100 temperature sensor is arranged and connected with the driving circuit.

The tableware to be treated is placed on the tableware bracket and is placed in the treatment chamber, and the treatment is started.

Total dose of UVC radiation on the surface when treating dishware>20mJ/cm²The glow plasma generation time is 5-20 s, and the temperature in the cavity<At 100 ℃ for a period of time<10s。

In the treatment process, the low-speed gear of the exhaust fan is started, and when the temperature in the treatment cavity is higher than a set value, the high-speed gear of the exhaust fan is started.

Through the structure arrangement, the tableware treatment device can meet the tableware treatment requirements of schools, institutions, enterprises and public institutions, hotels and the like in the application scene of public tableware and intensive dining of people.

In conclusion, the tableware treatment device can quickly dehydrate, disinfect and remove smell of the tableware, and can ensure that the tableware can be safely 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.