CN111322696A - Novel photocatalysis air sterilizing machine - Google Patents
Novel photocatalysis air sterilizing machine Download PDFInfo
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- CN111322696A CN111322696A CN202010320111.6A CN202010320111A CN111322696A CN 111322696 A CN111322696 A CN 111322696A CN 202010320111 A CN202010320111 A CN 202010320111A CN 111322696 A CN111322696 A CN 111322696A
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- air
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- supply fan
- air inlet
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Human Computer Interaction (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a novel photocatalysis air disinfection machine, which comprises a host machine and a host machine control box for controlling the whole machine; the inside of the host is provided with an air supply fan, a filter component, a photocatalyst device and a negative ion generator; the main machine comprises a shell, and an air inlet grid, a front cover plate and an exhaust grid which are sequentially arranged on the front side of the shell from top to bottom; the air supply fan is arranged on the inner side of the air inlet grille, and an air inlet of the air supply fan faces the air inlet grille; the air outlet of the air supply fan is communicated with the input end of the photocatalyst device; the negative ion generator is arranged on the inner side of the exhaust grille; the filter assembly consists of a filter and a multifunctional filter; the filter is arranged between the air inlet grille and the air supply fan; the multifunctional filter is arranged below the photocatalyst device; the novel photocatalysis air disinfection machine of the invention achieves the effect of purifying air by the integrated assembly of ultraviolet rays, photocatalyst, an anion generator and a multifunctional filter.
Description
Technical Field
The invention relates to a novel photocatalysis air disinfection machine, and belongs to the technical field of air disinfection equipment.
Background
The existing air disinfector mainly comprises an ozone air disinfector, an ultraviolet air disinfector, a plasma air disinfector and a photocatalyst air disinfector; wherein, the ozone air sterilizer passes through high-energy ionsDissociating oxygen into oxygen atoms, and combining the oxygen atoms with oxygen molecules to form ozone; the ozone can oxidize and decompose mould spores, bacteria and other bacteria causing peculiar smell which float in the air, so that the mould is completely eliminated, and the ozone belongs to gas, so that the ozone can kill bacteria without holes and is widely applied in the food industry; however, the smell of ozone strongly stimulates the respiratory tract of a human body, so that sore throat, chest distress and cough are caused, bronchitis and emphysema are easily caused, and therefore a meter using ozone at regular time is needed to monitor the concentration; the ultraviolet air sterilizer irradiates microorganisms such as bacteria and viruses by ultraviolet rays to destroy the structure of DNA (deoxyribonucleic acid) in a machine body, so that the microorganisms die or lose the reproductive capacity immediately; the energy consumption and the operating cost are low; the automation degree is high; the maintenance is simple and convenient, and the device has the characteristic of no secondary pollution; however, ultraviolet rays can penetrate cells to cause the cells to die, so that attention is paid to disinfection by ultraviolet rays so that the ultraviolet rays cannot directly irradiate human skin, particularly human eyes; when the dust in the air is too much, the lamp tube is easy to accumulate a dirt film and needs to be cleaned regularly, otherwise, the disinfection effect is influenced by inhibiting the transmission of ultraviolet rays; the plasma air sterilizer can simultaneously generate positive ions and negative ions, and huge energy release is generated at the moment of neutralizing positive and negative charges in the air, so that the structure of bacteria around the plasma air sterilizer is changed or the energy is converted, the bacteria are killed, and the sterilization effect of the plasma air sterilizer is realized; the sterilization is rapid and thorough, the sterilization rate of natural bacteria in the air reaches 100% in 30 minutes, and the sterilization rate of natural bacteria in the air reaches more than 99% in 40 minutes; the filter screen does not need to be replaced, and the cleaning is performed regularly; however, if particles begin to accumulate on the surface of the chamber of such air disinfectors, the filtering effect will be rapidly and greatly reduced, and frequent maintenance is required; when the integrated board is dirty, crackling noise can be generated, and the integrated board is easy to damage; the filtering mode can generate ozone, and the ozone has irritation to human respiratory organs; the photocatalyst of the photocatalyst air sterilizer can generate a photocatalytic reaction similar to photosynthesis under the irradiation of light to generate free hydroxyl and active oxygen with strong oxidizing power, has strong photooxidation-reduction function, can oxidize and decompose various organic compounds and partial inorganic matters, and can destroy bacteriaCell membrane and virus-immobilized protein can kill bacteria and decompose organic pollutants into pollution-free water (H)2O) and carbon dioxide (CO)2) (ii) a The photocatalyst technology can remove bacteria, viruses and the like in the air and has the function of decomposing partial volatile organic compounds; because of the characteristics of environmental protection and safety, the air sterilizer is selected by numerous air sterilizer manufacturers at present; but other compounds can be decomposed into harmful substances, for example, alcohol can be decomposed into harmful formaldehyde, and the harmful substances can only take effect under the excitation of ultraviolet light with specific wavelength; in addition, the traditional photocatalyst adopts a flat plate structure, is influenced by the adhesive, and has small adsorption area and poor degerming and deodorizing capacity. Therefore, in order to solve the above problems, it is highly desirable to design a novel photocatalytic air sterilizer.
Disclosure of Invention
In order to solve the problems, the invention provides a novel photocatalytic air disinfection machine which achieves the effect of purifying air by integrally assembling ultraviolet rays, a photocatalyst, an anion generator and a multifunctional filter.
The novel photocatalysis air disinfection machine comprises a host machine and a host machine control box for controlling the whole machine; the inside of the host is provided with an air supply fan, a filter component, a photocatalyst device and a negative ion generator; the air supply fan, the photocatalyst device and the negative ion generator are respectively in electric control connection with the host control box; the main machine comprises a shell, and an air inlet grid, a front cover plate and an exhaust grid which are sequentially arranged on the front side of the shell from top to bottom; the air inlet grille and the exhaust grille are respectively arranged at an air inlet and an exhaust port of the host;
the air supply fan is arranged on the inner side of the air inlet grille, and an air inlet of the air supply fan faces the air inlet grille; the air outlet of the air supply fan is communicated with the input end of the photocatalyst device; an odor sensor is also arranged on the inner side of the air inlet grille and positioned on the side surface of the air supply fan; the peculiar smell sensor is in communication connection with the air supply fan through the host machine control box;
the negative ion generator is arranged on the inner side of the exhaust grille, and the output end of the negative ion generator faces the exhaust grille;
the filter assembly consists of a filter and a multifunctional filter; the filter is arranged between the air inlet grille and the air supply fan; the multifunctional filter is arranged below the photocatalyst device and is arranged between the photocatalyst device and the negative ion generator.
Further, the air inlet grille and the air outlet grille are respectively arranged on the upper side and the lower side of the front cover plate in an inclined mode.
Furthermore, the photocatalyst device comprises a peripheral plate, a photocatalyst filter plate and a plurality of ultraviolet lamp tubes, wherein the photocatalyst filter plate and the ultraviolet lamp tubes are arranged in the peripheral plate; the photocatalyst filter plate is arranged opposite to the ultraviolet lamp tube.
In a preferred embodiment, the photocatalyst filter plate is a photocatalyst panel loaded with a high-activity prismatic titanium oxide photocatalyst.
Furthermore, the air supply fan is a cross flow fan which can powerfully suck polluted air, intelligently filter, convert into four gears, save energy and be safe, and automatically shift to operate according to the pollution degree of the air.
Further, the filter is a primary filter screen for filtering the sucked air, removing dust and garbage and removing particles with the maximum diameter of 50 microns.
Furthermore, the multifunctional filter is respectively communicated with the output end of the photocatalyst device and the input end of the negative ion generator; the multifunctional filter is a dust collecting filter capable of removing pollen and dust particles with the diameter of 5 microns.
Furthermore, the host control box comprises a box body, a display screen and an operation panel with operation buttons, wherein the display screen and the operation panel are arranged on the front side of the box body; the display screen and the operation panel are respectively and electrically connected with the control circuit board; the control circuit board consists of a microprocessor and peripheral circuits thereof.
Furthermore, the front cover plate cover is arranged on the front side of the photocatalyst device and the host control box, and a square hole for installing a display screen and an operation panel is formed in the side face of the lower portion of the front cover plate.
Furthermore, a remote control signal receiver for communicating with a remote controller is also arranged below the host control box; the remote control signal receiver is electrically connected with the microprocessor of the host control box.
Compared with the prior art, the novel photocatalysis air sterilizer not only has strong sterilization and disinfection functions, but also can decompose and eliminate volatile organic compounds and stink, can generate high-flow pure negative ions beneficial to health preservation and health care, brings a good environment with sterility, cleanness, comfort and health care for people, and is beneficial to physical and psychological health of people.
Drawings
Fig. 1 is an external overall structural schematic diagram of the present invention.
Fig. 2 is a schematic view of the internal mounting structure of the present invention.
Fig. 3 is a schematic top view of a photocatalyst apparatus according to embodiment 1 of the present invention.
FIG. 4 is a schematic view of the installation structure of the photocatalyst filter plate and four UV lamps of the photocatalyst apparatus of embodiment 1 of the present invention.
Fig. 5 is a schematic diagram of the result of the disinfection test of the novel photocatalytic air sterilizer of the present invention on staphylococcus albus 8032.
FIG. 6 is a schematic diagram showing the result of the experiment for identifying the disinfection effect of the novel photocatalytic air disinfector on natural air bacteria.
Fig. 7 is a graph showing the measurement result of the amount of ozone released from the harmful material in the novel photocatalytic air sterilizer of the present invention.
Fig. 8 is a schematic view showing the result of measuring the uv leakage of the novel photocatalytic air sterilizer of the present invention.
Fig. 9 is a statistical schematic diagram of common faults and processing methods for troubleshooting the novel photocatalytic air sterilizer of the present invention.
The components in the drawings are labeled as: the device comprises a host 1, a shell 11, an air inlet grille 12, a front cover plate 13, an exhaust grille 14, a square hole 15, a host control box 2, a box body 21, a display screen 22, an operation panel 23, an air supply fan 3, a photocatalyst device 4, a peripheral plate 41, a photocatalyst filter plate 42, a high-activity corner column-shaped titanium oxide photocatalyst 421, an ultraviolet lamp tube 43, an ion generator 5, an odor sensor 6, a filter 7, a multifunctional filter 8 and a remote control signal receiver 9.
Detailed Description
Example 1:
the novel photocatalytic air sterilizer shown in fig. 1 to 4 comprises a main machine 1 and a main machine control box 2 for controlling the whole air sterilizer; the host 1 is internally provided with an air supply fan 3, a filter component, a photocatalyst device 4 and a negative ion generator 5, wherein the negative ion generator is a negative ion generator which generates pure real negative ions in an < int-fion > mode in the prior art, generates more than 120 ten thousand per cubic centimeter of negative ions (air outlet measurement), generates or does not generate trace electromagnetic waves, ozone or positive ions; the air supply fan 3, the photocatalyst device 4 and the negative ion generator 5 are respectively in electric control connection with the host control box 2; the main engine 1 comprises a shell 11, and an air inlet grille 12, a front cover plate 13 and an exhaust grille 14 which are sequentially arranged on the front side of the shell 11 from top to bottom; the air inlet grille 12 and the air outlet grille 14 are respectively arranged at an air inlet and an air outlet of the main machine 1;
the air supply fan 3 is arranged on the inner side of the air inlet grid 12, and an air inlet of the air supply fan 3 faces the air inlet grid 12; the air outlet of the air supply fan 3 is communicated with the input end of the photocatalyst device 4; an odor sensor 6 is also arranged on the inner side of the air inlet grille 12 and positioned on the side surface of the air supply fan 3; the peculiar smell sensor 6 is in communication connection with the air supply fan 3 through the host machine control box 2, wherein the peculiar smell sensor is a low-concentration gas sensor and is used for sensing the smell of sucked polluted air and transmitting a gas concentration signal to a microprocessor of the host machine control box for analysis and processing, so that the air quantity of the air supply fan is automatically adjusted, and the filtering effectiveness is improved;
the negative ion generator 5 is arranged on the inner side of the exhaust grille 14, and the output end of the negative ion generator 5 faces the exhaust grille 14;
the filter assembly consists of a filter 7 and a multifunctional filter 8; the filter 7 is arranged between the air inlet grille 12 and the air supply fan 3; the multifunctional filter 8 is installed below the photocatalyst device 4 and is disposed between the photocatalyst device 4 and the anion generator 5.
The intake grill 12 and the exhaust grill 14 are provided obliquely to the upper and lower sides of the front cover 13, respectively.
The photocatalyst device 4 comprises a peripheral plate 41, a photocatalyst filter plate 42 and four ultraviolet lamp tubes 43 which are arranged inside the peripheral plate 41; the photocatalyst filter plate 42 is arranged opposite to the ultraviolet lamp tube 43, and the titanium dioxide photocatalyst generates a powerful decomposition function after being irradiated by ultraviolet rays, thereby achieving excellent antibacterial performance.
The photocatalyst filter plate 42 is a photocatalyst panel loaded with a high-activity corner-column-shaped titanium oxide photocatalyst 421, and compared with the traditional flat plate photocatalyst, the corner-column-shaped photocatalyst has larger adsorption area and stronger degerming and deodorizing capacity; the photocatalyst is an aggregation of angle columnar crystals, and compared with the traditional adhesive mode, the photocatalyst has larger contact area and stronger oxidation activity; no adhesive is adopted, and no secondary pollution is caused; the corner column shaped photocatalyst has obvious effect on removing bacteria and viruses floating in the air, and can remove organic matters and stink such as formaldehyde, benzene, Volatile Organic Compounds (VOC) and the like which cause building syndromes in a short time; in addition, the bacteria such as colibacillus, influenza virus, MRSA, tuberculosis bacteria, bacterial spore, etc. have sterilizing rate as high as 99% after being purified once by the air sterilizer of the present invention.
The air supply fan 3 is a cross flow fan which can powerfully suck polluted air, intelligently filter, convert into four gears, save energy and is safe and automatically shift to operate according to the pollution degree of the air.
The filter 7 is a primary filter screen for filtering the sucked air, removing the garbage and dust and removing the particles with the maximum diameter of 50 microns, wherein the primary filter screen can be an existing deodorizing filter screen or a dust collecting filter screen.
The multifunctional filter 8 is respectively communicated with the output end of the photocatalyst device 4 and the input end of the negative ion generator 5; the multifunctional filter 8 is a dust collecting filter capable of removing pollen and dust particles with a diameter of 5 microns, wherein the dust collecting filter can be an existing HEPA filter or a PM2.5 filter.
The host control box 2 comprises a box body 21, a display screen 22 and an operation panel 23 with operation buttons, wherein the display screen 22 and the operation panel 23 are arranged on the front side of the box body 21, and a control circuit board (not shown) is arranged inside the box body 21; the display screen 22 and the operation panel 23 are respectively electrically connected with the control circuit board; the control circuit board consists of a microprocessor and peripheral circuits thereof.
The front cover plate 13 covers the photocatalyst device 4 and the front side of the host control box 2, and a square hole 15 for installing a display screen and an operation panel is formed in the side surface of the lower part of the front cover plate 13.
A remote control signal receiver 9 for communicating with a remote controller is also arranged below the host control box 2; the remote control signal receiver 9 is electrically connected with the microprocessor of the host control box 2.
The novel photocatalytic air disinfection machine has the advantages that under the conditions that the temperature is 22-25 ℃ and the relative humidity is 57-61% RH, the sterilization rate of staphylococcus albus in air in an aerosol chamber is over 99% within 150 min; and under the conditions that the temperature is 21-22 ℃ and the relative humidity is 32-38% RH, the natural bacterium killing rate in the air in an indoor space for carrying out 20-24 m high-speed thin film cultivation within 150min is over 90%.
The invention discloses a using method of a novel photocatalysis air sterilizer,
1. the confirmation and preparation before the operation are carried out,
1) inserting a power plug into a 220V socket;
2) the batteries (2 No. 7 dry batteries) are arranged in the remote controller;
the method comprises the following specific steps:
a. pressing the protecting cover and pulling along the arrow direction to take down the protecting cover;
b. 2 dry batteries are placed according to the + -indication;
c. covering the protecting cover;
2. an operation method of an automatic operation is provided,
1) when the power switch is started to be on, the display lamp of the 'running/stopping' is green;
2) after 2 minutes of warm-up operation, the display lamp of 'operation/stop' is changed from a flashing state to a long-bright state, and at the moment, the equipment starts to operate automatically;
3. the method of operation of the manual operation is,
when the automatic operation is performed, if an 'automatic/manual' switch is pressed, the display lamp is turned off, and the manual operation is started; but if the switch is pressed once again, the automatic operation is recovered;
4. a method for regulating the air quantity, which comprises the steps of,
1) when the equipment runs, the air volume switch is pressed, so that the air volume can be manually adjusted;
2) the air volume is 4 grades, and the air volume can be switched in sequence when the button of the air volume is pressed once;
5. the use method of the timer is that the timer is used,
1) the timer has 4 options, and when the timer switch is pressed, the display of the timer can be switched in sequence;
2) after the set time, the display lamp is turned off, and the operation can be automatically stopped;
method of operation "run/stop",
1) when the 'running/stopping' switch is pressed, the 'running' and the 'stopping' are switched;
2) in operation, the display lamp is green;
3) when the lamp stops, the display lamp is red, and at the moment, other display lamps are completely turned off;
4) when the operation is switched from 'stop' to 'operation', the operation is restarted from the operation state before the stop;
5) when the automatic operation is switched to the stop operation, the automatic operation is started again;
6) the same applies to "manual";
7) in the time operation, if the operation is stopped, the time setting is released; when the timing operation is required, please press a 'timer' switch to reset;
7. a method for using a remote control device,
1) the signal receiving part of the remote controller is arranged at the inner side of the exhaust grille, the white sticker of the exhaust grille can be used as the mark of the signal receiving part, and the front end pen of the remote controller is required to be directed towards the mark for operation; when a switch of the remote controller is pressed towards a host machine signal receiving part (remote control signal receiver), a Pi sound is emitted after the host machine senses the Pi sound;
2) if the 'running' switch is pressed, the running is started, and the 'stopping' switch is pressed to stop running;
3) the other switches such as "automatic/manual", "timer", and "air volume" have the same function as the switch of the main unit operation section (operation panel of the main unit console box).
The disinfection effect identification test of the novel photocatalysis air disinfection machine of the invention,
firstly, testing strains: white staphylococcus 8032, the generation number of strains is 3-5, and bacterial suspension is prepared by PBS containing 0.03 mol/L;
one) of the methods comprises the steps of,
1) the preparation method of the suspension (tablet) comprises the following steps: reference is made to disinfection Specification (2002 edition) 2.1.1.2.3;
2) starting a high-efficiency filter for purification, and simultaneously adjusting the temperature of two aerosol chambers to be (20-25) DEG C and the humidity to be (50-70)% RH;
3) starting a microbial aerosol generator to carry out spray contamination, continuously stirring for 5min by a fan after the microbial aerosol generator is finished, and then standing for 5 min;
4) simultaneously, sampling a test group and a control group by using a six-level sieve mesh impact type microorganism sampler respectively, wherein the sampler is arranged at the height of 1.0m in the middle of the test chamber, and the sampling flow is 28.3L/min;
5) the test group runs the air sterilizer of the invention, samples after acting for 120min, and the control group does not run the air sterilizer and samples in corresponding time period;
6) 2 parts of unused culture medium in the same batch are taken and cultured with a sample sampled in the test at the same time, the culture is used as a negative control, and the test is repeated for 3 times;
7) starting a highest wind speed gear in the test process;
8) calculating the formula:
natural mortality rate:
，V0air bacteria content before test for control group，V1The air bacterial content after the test is the control group;
killing rate:
，V1air bacteria content, V, for test group before test2The air bacteria content after the test is the test group.
Two) the results of the test are shown in FIG. 5, in which the negative control group was aseptically grown.
Three) the conclusion is drawn,
through inspection, the sterilization effect of the sample in a 10m test cabin is started for 120min, the sterilization rate of the white staphylococcus is more than or equal to 99.90% in 3 times of test results, the test requirement of a simulation field test in sterilization technical specification (2002 edition) 2.1.3 is met, and the sterilization is qualified.
II, testing strains: natural bacteria in the air;
one) of the methods comprises the steps of,
1) respectively placing experimental devices into the test space at one time, closing doors and windows, and sampling with a six-level sieve mesh air impact type microorganism sampler for 0min to obtain a sample before test (positive control);
2) starting the air sterilizer, closing the air sterilizer after running for 120min, and sampling by using a six-level sieve pore air impact type microorganism sampler to serve as a test sample after a test;
3) during sampling, the sampler is arranged at the height of 1.0m in the center of the room, and the sampling flow is 28.3L/min;
4) timely putting the collected test sample into a biochemical incubator at 37 ℃ for culturing for 24-48 h, and then counting bacterial colonies;
5) taking 2 parts of unused culture medium in the same batch, and culturing the culture medium and the sample sampled in the test at the same time to be used as negative control;
6) in the test period, the environmental temperature is between 24 and 26 ℃, the environmental humidity is between 58 and 63 percent RH, the test is repeated for 3 times, and the death rate of each time is calculated;
7) starting a highest wind speed gear in the test process;
8) calculating the formula:
the death rate is as follows:
，V0for air bacteria content before the test, V1Air bacteria content after the test.
Second, the test results are shown in fig. 6, in which the negative control group all grew aseptically.
Three) the conclusion is drawn,
through inspection, the machine opening sterilization effect of the sample in the 30m sealed space is 120min, the 3-time test results of the sterilization rate of the natural bacteria in the air are all more than or equal to 90%, the field test requirement in sterilization technical specification (2002 edition) 2.1.3 is met, and the sterilization is qualified.
The invention relates to a harmful substance release amount (ozone) determination test of a novel photocatalysis air sterilizer,
the method comprises the following steps:
1) the detection basis is as follows: GB21551.3-2010 special requirements for air purifiers with antibacterial, degerming, purifying functions for domestic and similar appliances;
2) ambient temperature: 23-27 ℃, and the ambient humidity: 40% RH-60% RH;
3) placing the air sterilizer to be tested in a clean space, and testing the concentration value of the environmental background;
4) after the machine is started to act, a T400 type ozone analyzer is adopted to test the ozone concentration at the 5cm position of the air outlet according to the standard requirement.
Second, the measurement results are shown in fig. 7.
Thirdly, the conclusion is drawn,
through detection, the hazardous substance release amount (ozone) of the air disinfection machine is less than 0.003mg/m, and meets the requirement of GB21551.3-2010 on special requirement 4.1 on sanitary safety of an air purifier with antibacterial, degerming and purifying functions for household and similar electric appliances.
The ultraviolet ray leakage measuring test of the novel photocatalysis air sterilizer of the invention,
the method comprises the following steps:
1) the detection basis is as follows: GB21551.3-2010 special requirements for air purifiers with antibacterial, degerming, purifying functions for domestic and similar appliances;
2) placing the air sterilizer to be tested in a clean space, and testing the concentration value of the environmental background;
3) after the machine is started to act and is stabilized for 5min, measuring the irradiation intensity of the air disinfector at a position which is 30cm away from the outer surface of the air disinfector and vertical to the outer surface of the air disinfector by using an ultraviolet illuminometer;
4) ambient temperature: 23-27 ℃, and the ambient humidity: 40% RH-60% RH.
Second, the measurement results are shown in fig. 8.
Thirdly, the conclusion is drawn,
through detection, the ultraviolet radiation intensity value of the outer surface of the air sterilizer is vertical to 30cm<1μW/cm2The leakage quantity of ultraviolet rays in the special requirement of an air purifier with the functions of antibiosis, degerming and purification of GB21551.3-2010 household and similar appliances of 4.1 hygienic safety is less than or equal to 5 mu W/cm2The requirements of (1).
Maintenance:
1) maintenance of the main machine (every 1-2 months): wiping with soft cloth dipped with soap water or common water;
2) and (3) maintenance of the air inlet grille (every 1-2 months): the dust is completely sucked by an air suction port of a dust collector and the like;
3) maintenance (every 3-6 months) of the filter assembly, the photocatalyst device, the ion generator and the like: it must be done under the direction of a professional.
And (3) fault checking and repairing:
as shown in FIG. 9, if a failure occurs during use, the inspection and repair can be performed as follows.
The application range is as follows:
1) the method is applicable to the following places: common operating rooms, intensive care units, burn wards, infection wards, sterile wards, common isolation rooms, emergency rooms, hemodialysis rooms, medicament rooms, obstetrics and gynecology department, infectious department, radiology department and scientific research laboratories of hospitals;
2) can also be widely applied to sterilization, disinfection and air purification (dynamic) in various rooms (new decoration environment, school, office, meeting room, hotel, family, convention and the like);
3) quickly remove (decompose) various toxic and harmful substances (formaldehyde, acetaldehyde, benzene, acetic acid, methyl mercaptan, ammonia, sulfur oxide, peculiar smell, musty smell, smoke smell, etc.) in indoor air.
Performance indexes are as follows:
1) power supply: AC-220V;
2) power: 93W, standby 4W;
3) the external dimension is as follows: width 617mm, height 510mm, longitudinal width 152 mm;
4) the installation mode is as follows: wall-mounted, mobile cabinet type and cabinet type;
5) the weight of the host machine is as follows: about 12 kg;
6) optimal area of use (about): 16.5m2~33m2(general life deodorization) (human);
7) control/operation: full-automatic, microprocessor control, remote controller operation;
8) timing function: 1. the timing function is turned off after 2, 4 and 8 hours;
9) maximum air volume of the exhaust fan: cross flow fan/3.3 m3Per minute;
10) air volume switching: automatic/manual (4 th gear);
11) the peculiar smell inductor: a low concentration gas sensor;
12) the purification mode is as follows: photocatalyst, a UV-A light source and a multifunctional filter;
13) number of ultraviolet lamps: 4 UV-A ultraviolet lamp tubes of 10W;
14) a negative ion generator: the inti-fion mode anion generating device can generate pure anion with high efficiency by using the < inti-fion > mode, and the generation of positive ion, ozone, NOx and electromagnetic wave is only trace;
15) amount of negative ions generated: more than 10000 per ml (measured at a distance of 1 meter from the exhaust port).
Equipment installation:
1. installation of the wall-mounted unit:
1) pulling the plastic buckle at the bottom of the machine slightly upwards, and taking down the installation bottom;
2) 2 phi 8 × 35mm holes are drilled in the wall surface with the lower end of the machine being 1.8 to 2.0 meters away from the ground according to the positions of the mounting holes on the mounting plate, and randomly prepared phi 8 plastic expansion screws are screwed into the holes;
3) fixing the mounting bottom plate on the wall by using randomly-equipped M4 × 30mm self-changing screws;
4) the machine is hung and can be used after being plugged with a power supply;
2. the movable cabinet type and the cabinet type do not need to be installed, the machine is taken out, placed on the bracket and plugged with a power supply for use.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (10)
1. A novel photocatalysis air sterilizer comprises a host and a host control box for controlling the whole air sterilizer; the inside of the host is provided with an air supply fan, a filter component, a photocatalyst device and a negative ion generator; the air supply fan, the photocatalyst device and the negative ion generator are respectively in electric control connection with the host control box; the method is characterized in that: the main machine comprises a shell, and an air inlet grid, a front cover plate and an exhaust grid which are sequentially arranged on the front side of the shell from top to bottom; the air inlet grille and the exhaust grille are respectively arranged at an air inlet and an exhaust port of the host;
the air supply fan is arranged on the inner side of the air inlet grille, and an air inlet of the air supply fan faces the air inlet grille; the air outlet of the air supply fan is communicated with the input end of the photocatalyst device; an odor sensor is also arranged on the inner side of the air inlet grille and positioned on the side surface of the air supply fan; the peculiar smell sensor is in communication connection with the air supply fan through the host machine control box;
the negative ion generator is arranged on the inner side of the exhaust grille, and the output end of the negative ion generator faces the exhaust grille;
the filter assembly consists of a filter and a multifunctional filter; the filter is arranged between the air inlet grille and the air supply fan; the multifunctional filter is arranged below the photocatalyst device and is arranged between the photocatalyst device and the negative ion generator.
2. The novel photocatalytic air disinfection machine of claim 1, characterized by: the air inlet grille and the exhaust grille are respectively arranged on the upper side and the lower side of the front cover plate in an inclined mode.
3. The novel photocatalytic air disinfection machine of claim 1, characterized by: the photocatalyst device comprises a peripheral plate, a photocatalyst filter plate and a plurality of ultraviolet lamp tubes, wherein the photocatalyst filter plate and the ultraviolet lamp tubes are arranged in the peripheral plate; the photocatalyst filter plate is arranged opposite to the ultraviolet lamp tube.
4. A novel photocatalytic air disinfection machine as in claim 3 wherein: the photocatalyst filter plate is a photocatalyst panel loaded with high-activity corner-column-shaped titanium oxide photocatalyst.
5. The novel photocatalytic air disinfection machine of claim 1, characterized by: the air supply fan is a cross flow fan which can powerfully suck polluted air, intelligently filter, convert into four gears, save energy and is safe, and automatically shift to operate according to the pollution degree of the air.
6. The novel photocatalytic air disinfection machine of claim 1, characterized by: the filter is a primary filter screen used for filtering and sucking air, removing garbage and dust and removing particles with the maximum diameter of 50 microns.
7. The novel photocatalytic air disinfection machine of claim 1, characterized by: the multifunctional filter is respectively communicated with the output end of the photocatalyst device and the input end of the negative ion generator; the multifunctional filter is a dust collecting filter capable of removing pollen and dust particles with the diameter of 5 microns.
8. The novel photocatalytic air disinfection machine of claim 1, characterized by: the host control box comprises a box body, a display screen and an operation panel with operation buttons, wherein the display screen and the operation panel are arranged on the front side of the box body; the display screen and the operation panel are respectively and electrically connected with the control circuit board; the control circuit board consists of a microprocessor and peripheral circuits thereof.
9. The novel photocatalytic air disinfection machine of claim 1, characterized by: the front cover plate is arranged on the front side of the photocatalyst device and the host control box in a covering mode, and a square hole used for installing a display screen and an operation panel is formed in the side face of the lower portion of the front cover plate.
10. The novel photocatalytic air disinfection machine of claim 1, characterized by: a remote control signal receiver for communicating with a remote controller is also arranged below the host control box; the remote control signal receiver is electrically connected with the microprocessor of the host control box.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117029165A (en) * | 2023-08-23 | 2023-11-10 | 广州优吸环保科技有限公司 | Air purification comprehensive treatment method based on photocatalyst technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117029165A (en) * | 2023-08-23 | 2023-11-10 | 广州优吸环保科技有限公司 | Air purification comprehensive treatment method based on photocatalyst technology |
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