CN111928362A - System and device with function of killing novel coronavirus and air sterilizer - Google Patents

Abstract

The invention relates to the technical field of disinfection equipment, in particular to a system, a device and an air disinfector with the function of killing novel coronavirus, wherein after coarse particle pollutants in the air are filtered by a primary filtering unit, viruses and bacteria attached to air particles are killed doubly by an IFD killing and purifying unit and a UVC inactivating unit, namely, a charged killing layer is taken as a unit anode after being electrified, a dust collecting filter layer is taken as a unit cathode to realize air ionization and kill the viruses and bacteria in the air particles, the dust collecting filter layer can effectively adsorb the air particles, the UVC inactivating unit can effectively kill the viruses and bacteria remained in the air and adsorbed on the surface of the dust collecting filter layer, the killing effect is remarkable, secondary pollution is not generated, the virus and bacteria are easy to survive in the dust collecting filter layer, the air disinfector has the advantages of no material consumption, low energy consumption, repeated cleaning and use without affecting killing and purification, effectively reducing the use cost.

Description

System, device and air sterilizer with the function of killing novel coronavirus

technical field

The present invention relates to the technical field of disinfection equipment, in particular to a system, device and air sterilizer with the function of killing novel coronavirus.

Background technique

Coronavirus is a large class of viruses that exist widely in nature. The diameter of the virus particle is 60-120 nanometers, with an average diameter of 100 nanometers, and it is spherical or ellipsoid. The common signs of patients infected with coronavirus include respiratory symptoms, fever, cough, shortness of breath, and difficulty breathing. In more severe cases, infection can lead to pneumonia, severe acute respiratory syndrome, multiple organ failure, and even death. In view of the highly contagious nature of the new coronavirus, health and epidemic prevention experts emphasized that the currently identifiable transmission routes of the new coronavirus are mainly direct transmission, aerosol transmission and contact transmission. Some air disinfection methods are not effective in inactivating the new coronavirus, and there are still some shortcomings: the plasma method is expensive and will generate ozone, and the ultraviolet inactivation method cannot be used when people are active, and direct irradiation will cause damage. It is harmful to human health, and ordinary ultraviolet lamps are also prone to ozone.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems existing in the prior art, the present invention provides a system with the function of killing the novel coronavirus.

The present invention also provides a device comprising the above system

The present invention also provides an air sterilizer including the above system.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A system with the function of killing the new coronavirus, including: a primary filter unit, which is used to filter coarse particle pollutants in the air; an IFD disinfecting and purification unit, which has a charged disinfecting layer and a dust collecting filter layer. The disinfecting layer can generate a strong electric field to disinfect the viruses and bacteria attached to the air particles, and the dust collecting filter layer can absorb the air particles; the UVC inactivation unit includes an ultraviolet lamp, and the ultraviolet lamp is arranged on the charging between the killing layer and the dust collecting and filtering layer; the activated carbon filter unit is used to adsorb and filter the odor and/or formaldehyde in the air; wherein, the primary filter unit, the IFD killing and purification unit, the The UVC inactivation unit and the activated carbon filter unit are arranged in sequence along the air circulation direction.

Further, the primary filter unit includes a filter screen, and a barrier layer is provided on the filter screen.

Further, the barrier layer is made of cotton wool or fluff.

Further, the charged disinfecting layer comprises a plurality of needle electrodes to form a unit positive electrode, and the dust collecting filter is a unit negative electrode.

Further, the charged disinfecting layer is also connected with an AC conversion module and a power booster module, the AC conversion module is used to convert the commercial power into DC power, and the power booster module is used to boost the DC voltage.

Further, the dust collecting and filtering layer comprises a honeycomb filter element, and the outer surface of the honeycomb filter element is covered with an insulating material.

Further, the spectrum of the ultraviolet lamp is from 220 nm to 280 nm.

Further, the ultraviolet lamp is arranged in the IFD disinfecting unit.

A device with the function of killing the novel coronavirus, including the system as described above.

An air sterilizer with novel coronavirus sterilization performance, comprising the system as described above, and further comprising: a housing having an inner cavity, and an air inlet and an air outlet are arranged on the housing; a fan module, and the The air inlet is communicated; wherein, the system is arranged on the air duct between the air inlet and the air outlet.

Further, it also includes a control module arranged on the housing, and the IFD sterilization and purification unit and the UVC inactivation unit are all electrically connected to the control module.

The present invention mainly has the following beneficial effects:

In the present invention, after filtering the coarse particle pollutants in the air through the primary filter unit, the virus and bacteria attached to the air particles are double-sterilized through the IFD killing and purification unit and the UVC inactivation unit, that is, charging after electrification The killing layer acts as the positive electrode of the unit, and the dust collecting filter layer acts as the negative electrode of the unit to achieve air ionization to kill viruses and bacteria in the air particles, and the dust collecting filter layer can effectively absorb the air particles, and the UVC inactivation unit can effectively kill the air. Viruses and bacteria remaining in the filter layer and adsorbed on the surface of the dust collection filter layer have a significant killing effect, and do not produce secondary pollution, avoid the dust collection filter layer still easy to survive viruses and bacteria, and have no consumables, low energy consumption, and can be cleaned repeatedly. Use does not affect the advantages of disinfection and purification, and effectively reduces the cost of use.

Description of drawings

1 is a schematic flowchart of a system according to an embodiment of the present invention;

Fig. 2 is the module schematic diagram of the air sterilizer of the embodiment of the present invention;

Fig. 3 is the structural representation of the air sterilizer of the embodiment of the present invention;

FIG. 4 is an assembly schematic diagram of an air sterilizer according to an embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

With reference to the system with new coronavirus sterilization performance shown in Figure 1, it comprises the primary filter unit 101, the IFD sterilization purification unit, the UVC inactivation unit 104 and the activated carbon filter unit 105 arranged successively along the air circulation direction, wherein:

The primary filter unit 101 includes a filter screen, and the filter screen is provided with a barrier layer. The barrier layer can be made of cotton wool or fluff, and the purpose of the barrier layer is to block the effect of larger particle pollutants in the air.

The IFD disinfecting and purifying unit has a charged disinfecting layer 102 and a dust collecting filter layer 103, the charged disinfecting layer 102 includes a plurality of needle electrodes to form the positive electrode of the unit, and the dust collecting filter layer 103 is the negative electrode of the unit, and the The charging and disinfecting layer 102 is connected with an AC conversion module and a power boosting module, and the AC 220V commercial power is converted into DC power through the AC conversion module, and then boosted into high-voltage DC power by the power boosting module. This embodiment adopts the actual situation according to the actual situation. 6000V high-voltage direct current, at this time, the IFD disinfection and purification unit utilizes the principle of tip discharge under the action of the strong electric field between the positive electrode of the unit and the negative electrode of the unit to ionize the air passing through the primary filter unit 101, so that the particles moving in the air are charged, and at the same time The bacteria and viruses attached to the air particles are killed, and when the air particles are spotted, they will move toward the negative electrode of the unit, so as to be adsorbed on the dust collecting filter layer 103 .

The dust collecting filter layer 103 includes a honeycomb filter element, and the outer surface of the honeycomb filter element is covered with an insulating material, and the honeycomb filter element is used as the vicinity of the unit, which can effectively absorb the particles moving in the air, and can realize the filtering effect.

The UVC inactivation unit 104 includes an ultraviolet lamp, which is arranged between the charged killing layer 102 and the dust collecting filter layer 103. Preferably, the main wavelength window of the ultraviolet emission unit of the UVC inactivation unit 104 It is set to 220-280 nanometers, and the characteristic wavelength of 222 nanometers or 254 nanometers can be preferably used. The characteristic wavelength of 254 nanometers has a significant killing effect on the new coronavirus, and will not cause damage to exposed human tissue, while the characteristic wavelength of 222 nanometers The wavelength has little damage to human skin and eyes. At the same time, the use of 220-280 nanometer spectrum ultraviolet rays has a narrow radiation spectrum and produces less ozone, which can effectively kill bacteria and viruses that have not been extinguished by the IFD killing and purification unit, avoiding IFD. The air particles in the disinfection and purification unit and the air particles attached to the dust collection filter layer 103 remain active viruses and bacteria, that is, the UVC inactivation unit 104 and the IFD disinfection and purification unit realize double compound disinfection of viruses and bacteria, further improving the efficiency of disinfection and sterilization And the effect, and avoid the risk of infection during maintenance, cleaning and replacement of the filter element; in some embodiments, the ultraviolet lamp is installed in the IFD disinfection and purification unit to prevent ultraviolet light from leaking out.

The activated carbon filter unit 105 can use a conventional activated carbon filter element, and the activated carbon filter unit 105 can be used to adsorb and filter the residual odor and formaldehyde in the air after double compound sterilization.

A device with the function of killing the novel coronavirus, including the system of the above-mentioned embodiment, the device can be an air virus killing, inactivating and purifying assembly such as an air conditioner and a combination of a fresh air system.

Referring to an air sterilizer shown in FIGS. 2 to 4 , it includes a housing 100 with an inner cavity. The system of the above embodiment is provided in the inner cavity. The side of the housing 100 is provided with an air inlet 200 , and the upper end surface is provided There is an air outlet 300. Specifically, the air flows in from the air inlet 200, and then passes through the primary filter unit 101, the IFD killing and purification unit, the UVC inactivation unit 104 and the activated carbon filter unit 105. After killing and filtering the air, the clean air is cleaned. Air is discharged from the air outlet 300. When it is necessary to explain, the UVC inactivation unit 104 can be arranged in the IFD disinfection and purification unit. The front panel of the housing 100 is provided with a control module 400 and an indicator light assembly 500. The body 100 is also provided with a fan module 700, the fan module 700 is connected to the air inlet 200, and the air in the room can be inhaled through the fan module 700, and through the above-mentioned system, a double compound cycle is realized to kill and purify viruses and bacteria. The control module 400 Usually includes a touch panel and a programmable controller, the fan module 700 , the IFD sterilization and purification unit, the UVC inactivation unit 104 and the indicator light assembly 500 are all electrically connected to the control module 400 ; the fan module 700 is controlled by the control module 400 To adjust the air volume and speed of different gears, the control module 400 can also control the power input of the above-mentioned system. Different power inputs have different sterilization and purification efficiencies, and are suitable for different indoor spaces such as living room, master bedroom, secondary bedroom, etc.

In other embodiments, the control module 400 can also accept instructions issued by the user through remote control, touch control or keys, etc., to realize system startup, stop or operation mode change, etc., and can control the indicator light assembly 500 to achieve different On the other hand, the control module 400 also includes a sensing module disposed on the housing 100, the sensing module includes a temperature sensor, a humidity sensor, a PM2.5 sensor, etc., and the indoor air is monitored through the sensing module quality.

It should be noted that the air sterilizer further includes a power supply module 600 , and the power supply module 600 is used to connect the commercial power and the control module 400 .

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made, and these improvements and modifications may also be regarded as It is the protection scope of the present invention.

Claims (10)

1. A system with the function of killing the novel coronavirus, characterized in that it includes: The primary filter unit is used to filter the coarse particle pollutants in the air; The IFD disinfecting and purifying unit has a charged disinfecting layer and a dust collecting filter layer, the charged disinfecting layer can generate a strong electric field to disinfect viruses and bacteria attached to air particles, and the dust collecting filter layer can absorb air particles; The UVC inactivation unit includes an ultraviolet lamp, and the ultraviolet lamp is arranged between the charged disinfecting layer and the dust collecting filter layer; Activated carbon filter unit to adsorb and filter odors and/or formaldehyde from the air; Wherein, the primary filter unit, the IFD sterilization and purification unit, the UVC inactivation unit and the activated carbon filter unit are arranged in sequence along the air circulation direction. 2 . The system according to claim 1 , wherein the primary filter unit comprises a filter screen, and the filter screen is provided with a barrier layer. 3 . 3. The system with the function of killing novel coronavirus according to claim 1, wherein the charged killing layer comprises a unit positive electrode formed by several needle electrodes, and the dust collecting filter is a unit negative electrode . 4. The system according to claim 3, wherein the charged killing layer is also connected with an AC conversion module and a power boosting module, and the AC conversion module is used for converting The commercial power is converted into DC power, and the power boosting module is used to boost the DC voltage. 5. The system with the function of killing novel coronavirus according to claim 3 or 4, wherein the dust collecting filter layer comprises a honeycomb filter element, and the outer surface of the honeycomb filter element is covered with an insulating material. 6 . The system according to claim 1 , wherein the spectrum of the ultraviolet lamp is between 220 nm and 280 nm. 7 . 7. The system with the function of killing novel coronavirus according to claim 1 or 6, wherein the ultraviolet lamp is arranged in the IFD disinfecting unit. 8. The device with the function of killing the novel coronavirus, characterized in that it comprises the system according to any one of claims 1 to 7. 9. The air sterilizer with the function of killing novel coronavirus, is characterized in that, comprises the system as described in any one of claim 1 to 7, also comprises: a casing with an inner cavity, and an air inlet and an air outlet are arranged on the casing; a fan module, communicated with the air inlet; Wherein, the system is arranged on the air duct between the air inlet and the air outlet. 10. The air sterilizer with the function of killing novel coronavirus according to claim 9, characterized in that, further comprising a control module arranged on the housing, the IFD killing and purifying unit and the UVC killing and purifying unit. The living units are all electrically connected to the control module.

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