CN113218032A - Disinfecting device for surface of object capable of being contacted by air and people in public place - Google Patents
Disinfecting device for surface of object capable of being contacted by air and people in public place Download PDFInfo
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- CN113218032A CN113218032A CN202110527127.9A CN202110527127A CN113218032A CN 113218032 A CN113218032 A CN 113218032A CN 202110527127 A CN202110527127 A CN 202110527127A CN 113218032 A CN113218032 A CN 113218032A
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- 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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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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)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides a disinfection device for surfaces of objects accessible to air and persons in public places, comprising: the human body sensor is used for detecting whether a person exists or not and transmitting a signal to the controller; the air purifier comprises a first machine body, a second machine body and a third machine body, wherein a main air inlet and a main air supply port are arranged on two sides of the first machine body, an air inlet and an air supply port are arranged at the top of the first machine body, a motor, an air purification module and an air isolation belt are arranged in the first machine body, and the first machine body is used for sucking external air, filtering, removing peculiar smell and disinfecting the external air and then feeding the external air back; the second machine body is positioned at the top of the first machine body, the bottom of the second machine body is provided with an air inlet and an air supply port, an air disinfection module and a controller are arranged in the second machine body, the second machine body is used for starting and stopping all the machine bodies and continuously disinfects air sucked by the first machine body when people exist; and the third machine body is composed of a pulse highlight sterilization module and is used for quickly sterilizing the air and the surface of an object when no one is available.
Description
Technical Field
The invention relates to the technical field of disinfection, in particular to a disinfection device for the surfaces of objects which can be contacted by air and people in public places.
Background
Aerosols generated by human breathing in public places [ aerosol: the liquid particles are stably suspended in a dispersion system formed by a gas medium, and the surfaces of objects (keys, handrails, walls and the like) which can be contacted by people in public places are main mutual induction media in the period of infectious disease outbreak, and if respiratory aerosol in the public places and the surfaces of the objects which can be contacted by people carry viruses, group infection is easily caused, so that the disinfection efficiency and the disinfection quality of the surfaces of the objects which can be contacted by air and people in the public places are particularly important to be ensured.
The existing disinfection technology mainly depends on ultraviolet lamp direct irradiation and manual chemical disinfection liquid spraying, wherein the ultraviolet lamp is used as the existing disinfection device, and has the following defects, firstly: the human body can cause symptoms such as red swelling, pain, desquamation and the like after being irradiated by the ultraviolet lamp for a long time, if the human body is irradiated by the ultraviolet disinfection lamp for a long time, general discomfort can be caused, and canceration of the skin and tumor generation of the skin can also occur seriously, and secondly: if an ultraviolet lamp for generating ozone is selected, secondary pollution to the surrounding environment is caused, according to the international environmental Air Quality standard (National Air Quality Standards, NAAQS), the limit concentration of the acceptable ozone of a human in one hour is 260 mug/m 3, cough, dyspnea and lung function reduction can be caused by 1 hour of activity in 320 mug/m 3 ozone environment, and obvious smelly eggs similar to smelly eggs can be generated when the ozone exceeds standard, and thirdly: the ultraviolet lamp directly irradiates the disinfection technology, and the disinfection range is smaller due to the limitation of the radiation distance of the ultraviolet lamp, so that the quantity of the disinfection air is limited; as the existing disinfection technology, the manual spraying of chemical disinfection solution has the following defects: along with the increase in public place space, the cost of labor that the manual work needs of spraying chemical antiseptic solution is also constantly increasing, and the second: the ageing nature of chemical antiseptic solution is poor, can not last effectually play the disinfection effect to public place, and chemical antiseptic solution atomizes when using and sprays, and liquid atomization has increased the area of volatilizing, has further accelerated volatilizing of antiseptic solution, and up to losing disinfection ability completely, and artifical unable timely supplementary spraying antiseptic solution, cause the untimely health dead angle of disinfection, the third: chemical disinfection liquid has corrosivity, if artifical ratio concentration exceeds standard, easily burns human respiratory mucosa, the fourth: the disinfection efficiency of the chemical disinfection solution is low, under the condition of meeting the concentration ratio requirement, 30-60 minutes are still needed, and the fifth step is as follows: the chemical disinfectant has less disinfection air amount, mainly depends on the passive disinfection of natural volatilization, and can not actively disinfect a large amount of air.
In conclusion, the existing public place disinfection technology has the technical defects of easy generation of secondary pollution, damage to human bodies to a certain degree, small disinfection air quantity, poor disinfection timeliness, low disinfection efficiency and untimely disinfection. Accordingly, those skilled in the art have provided a disinfection device for public use where air and persons may contact the surface of an object to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a disinfection device for surfaces of objects which can be contacted by air and people in public places, which realizes continuous disinfection when people exist and quick disinfection when no people exist, and solves the problems in the background technology.
To achieve the above object, the present invention provides a sterilizing device for air and human contactable object surfaces in public places, comprising: the air purification device comprises a first machine body, a first machine body main air inlet and a first machine body main air outlet are arranged on two sides of a first machine body machine box and used as channels for sucking air in a public place into the first machine body and sending the air finally purified and disinfected back to the public place, a motor is arranged in the first machine body machine box and used for providing aerodynamic force and sucking and sending the air in the public place back, an air purification module is arranged in the first machine body machine box and located at the first machine body main air inlet, the air purification module comprises a primary filter module, an active carbon module and a high-efficiency filter module and used for filtering and removing peculiar smell of the air sucked into the first machine body, and the first machine body air inlet are arranged at the top of the first machine body machine box and used as flanges in butt joint combination with a second machine body and used as air channels; the second machine body is positioned at the top of the first machine body, the bottom of the machine case of the second machine body is provided with a second machine body air inlet and a second machine body air outlet, the second machine body air inlet and the second machine body air outlet are used as flanges which are in butt joint combination with the first machine body and used as air channels, an air disinfection module is arranged in the machine case of the second machine body and comprises a first ultraviolet lamp-photocatalyst module, a plasma module and a second ultraviolet lamp-photocatalyst module, the first ultraviolet lamp-photocatalyst module, the plasma module and the second ultraviolet lamp-photocatalyst module are arranged along the direction of the second machine body air inlet towards the second machine body air outlet and are used for carrying out three-time disinfection on air sucked by the first machine body, a controller is arranged in the machine case of the second machine body and is electrically connected with a motor, the air disinfection module, a third machine body and a human body sensor for starting and stopping control of different disinfection modes under two conditions of a person existence and no person in a public place, and the human body sensor is independently installed in the public place and is not directly combined with any machine body, the intelligent air purifier is used for transmitting a signal that people exist or do not exist in a public place to the controller, when any one human body sensor transmits the signal that people exist, the controller issues a continuous operation command to the first machine body and the second machine body, and continuously purifies and disinfects air in the public place, and when all the human body sensors transmit no-people signals, the controller issues a command that the operation is delayed for 180 seconds and then the controller stops to the first machine body and the second machine body; the third organism, independently install in the public place, not directly make up with other organisms, the third organism comprises the module of disinfecting with the pulse highlight, when all human sensors all detect the public place nobody, the controller assigns a disinfection period of operation instruction to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, the upper limit is 5 minutes, the third organism is whenever having operated a disinfection period or when arbitrary human sensor detects someone interrupt operation after, can not repetitive operation, next time operation need experience again from someone to nobody, the third organism is when operating, utilize the alternate brief time of personnel, disinfect fast to air and people contactable object surface, when arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism.
Optionally, the air purification module comprises first effect filter module, active carbon module, high efficiency filter module, first effect filter module is located first organism total air intake department, the active carbon module is located first effect filter module at the back, high efficiency filter module is located the active carbon module at the back.
Optionally, the first ultraviolet lamp and the second ultraviolet lamp are both UVC ultraviolet lamps which do not generate ozone and have the wavelength of 253.7nm, and the first photocatalyst and the second photocatalyst are both titanium dioxide with the particle size of 3-5 nm.
Optionally, the plasma module is an array type wide ionization region plasma module.
Optionally, the pulsed high light sterilization module consists of a mercury-free quartz lamp and a pulse drive, the irradiation intensity is 15600 μ W/cm, and the wavelength is 220.1nm-850.14 nm.
Optionally, in the programming of the controller, when any human body sensor detects that all people in the public place are present, the first machine body and the second machine body are started to operate continuously, and when all human body sensors detect that all people in the public place are absent, the first machine body and the second machine body operate in a delayed manner for 180 seconds and then stop operating; when whole human sensors all detect the nobody in public place, the disinfection period of operation is opened to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, upper limit 5 minutes, the third organism has run a disinfection period or has detected someone interrupt operation back when arbitrary human sensor, can not the repetitive operation, next operation need experience again from someone to nobody, when arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism.
Optionally, the air inlets and the air outlets of the first body and the second body have dual functions of being used as a flange and an air channel, and the specific expression is that the first body air outlet and the second body air inlet are in butt joint combination, the first body air inlet and the second body air outlet are in butt joint combination, and the four air outlets all have flange functions, so that the purpose that the second body is combined on the top of the first body is achieved; public place air inhales first organism from first organism total air inlet, the air removes the peculiar smell through the filtration of air purification module, inhale the second organism air inlet of second organism bottom by the first organism air feed mouth at first organism top, the air is through the tertiary disinfection back of second organism air disinfection module, the first organism air inlet at first organism top is sent back to from the second organism air feed mouth of second organism bottom, send back public place towards first organism total air feed mouth from first organism air inlet again, therefore, four gas ports all possess the function of air duct.
Optionally, the third body is independently installed in the public place, and is not directly combined with other bodies, and the number of the third bodies increases with the increase of the space of the public place.
Optionally, the human body sensors are independently installed in a public place, are not directly combined with any machine body, and the number of the human body sensors is increased along with the increase of the space of the public place.
Optionally, the motor is located inside the first body and located at the main air supply port of the first body, and a completely isolated air isolation belt is arranged between the motor and the air purification module, so that air is prevented from being directly sent back to a public place without being disinfected.
Optionally, the disinfection device for the surfaces of the objects contactable to the air and the people in the public places can be improved on the basis of the original technical scheme, and is specifically characterized in that the pulsed light sterilization module for keeping the original third body can be used for disinfecting the surfaces of the air and the objects when the pulsed light sterilization module is unmanned, the first body and the second body can be improved into a whole using the same case together without butt joint combination in the original scheme, the pulsed light sterilization module for the third body can be added into the improved air sterilization module, the number of the ultraviolet lamp-photocatalyst first module, the plasma module, the ultraviolet lamp-photocatalyst second module and the pulsed light sterilization module in the improved air sterilization module can be increased or decreased according to the size of the public places, and the pulsed light sterilization module in the improved air sterilization module can be connected with the ultraviolet lamp-photocatalyst first module, The plasma module, two photocatalyst two modules of ultraviolet lamp carry out the instruction that the controller assigned people time-on-time continuous operation, unmanned time delay 180 seconds operation after stop jointly, and the pulse highlight sterilization module in the third organism outside independently still remains original unmanned time-on-time operation, stops the design of stopping operation at once when someone, and the technical scheme after the improvement has further strengthened disinfection efficiency and disinfection quality.
Compared with the prior art, the technical scheme of the invention has the following advantages:
in the disinfection device for the surfaces of the public place air and the objects which can be contacted by people, when any human body sensor detects that people exist, the motor continuously provides air power, the public place air is sucked into the first machine body through the first machine body main air inlet, the air is filtered and deodorized through the air purification module positioned at the first machine body main air inlet and is sucked into the air disinfection module of the continuously running second machine body, the air is disinfected for three times sequentially through the ultraviolet lamp-photocatalyst first module, the plasma module and the ultraviolet lamp-photocatalyst second module in the air disinfection module and is finally sent back to the public place from the first machine body main air inlet, when all the human body sensors detect that no people exist, the first machine body and the second machine body run for 180 seconds in a delayed mode and stop running, and the technology realizes that all the people in the public place continuously filter the air in real time, The peculiar smell is removed, and the third sterilization function is realized, so that the effect of actively and timely sterilizing more air is achieved, and the sterilization efficiency is improved; when whole human sensors all detect nobody, the controller assigns the order of a disinfection period of operation to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, the upper limit is 5 minutes, the third organism is whenever operated a disinfection period or when arbitrary human sensor detect someone interrupt operation after, can not repetitive operation, next operation need experience again from having someone to nobody, the third organism is when operating, utilize the alternate brief time of personnel, can contact the object surface to air and people and disinfect fast, when arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism.
Furthermore, the primary filter module in the air purification module adopts a filter screen which can be washed by silver ions, the silver ions have a certain disinfection function and are mainly used for protecting the first machine body and the second machine body from being damaged by lint and large particles, and the primary filter module can be washed by water, so that the cost caused by frequent replacement of the filter screen is saved; the active carbon module in the air purification module can adsorb peculiar smell in the air; the high efficiency filter module in the air purification module can effectively filter PM2.5 particles, and the purification efficiency is improved.
Furthermore, the first ultraviolet lamp and the second ultraviolet lamp which do not generate ozone in the air disinfection module do not cause secondary pollution, the UVC ultraviolet lamps with the wavelengths of 253.7nm are adopted, the ultraviolet lamps are arranged in the second machine body case, damage to the human body caused by long-term direct irradiation of ultraviolet rays is prevented, air is conveyed to the first ultraviolet lamp and the second ultraviolet lamp to be disinfected in a close range by utilizing the air power provided by the motor, the problem that the disinfection range is small due to the limited irradiation range of the single ultraviolet lamp is solved, and the disinfection air quantity is improved.
Furthermore, the photocatalyst I and the photocatalyst II in the air disinfection module both adopt titanium dioxide with the particle size of 3-5nm, are non-corrosive, non-irritant and non-toxic, utilize hydroxyl free radicals generated by electron holes, have strong oxidizing property, and the disinfected products are carbon dioxide and water which are harmless to human bodies.
Furthermore, the plasma module in the air disinfection module is an array type wide ionization area plasma module, the ionization area of the existing plasma module is widened by the design, so that the purpose of generating more ion clusters is achieved, and a plurality of ion clusters are disinfected by the principle of puncturing negatively charged microbial cells, so that the disinfection efficiency is improved.
Further, the pulsed strong light sterilization module is a combination of a mercury-free quartz lamp and pulse driving, the irradiation intensity of the strong light is 15600 μ W/cm, the wavelength is 220.1nm-850.14nm, the pulsed strong light is a wide spectrum light source, the irradiation distance is farther than that of an ultraviolet lamp, and the energy of the light is extremely strong, can instantly increase the temperature of the microorganism to burst to achieve the disinfection effect, but the intense pulse light can not generate the temperature rise phenomenon to the surface of the object and the environment, although the technology utilizes the instantaneous temperature rise of the microorganisms to burst the microorganisms to achieve the disinfection effect, the intensive pulse light still belongs to the cold sterilization technology, the pulse high-light sterilization module in the unmanned time utilizes the wide-spectrum light source for sterilization, so that the irradiation distance is increased compared with an ultraviolet lamp, the sterilization efficiency is improved, the problem of sterilization dead angles is solved, and the rapid and thorough sterilization of the surfaces of the objects which can be contacted by the air and people in the public places in the short time of alternation of the personnel is realized.
Furthermore, due to the program design of the controller positioned in the second machine body, when any human body sensor detects all people in the public place, the first machine body and the second machine body are started to continuously operate, and when all the human body sensors detect that all the people in the public place are not in the public place, the first machine body and the second machine body operate in a delayed mode for 180 seconds and then stop operating; when whole human sensors all detect the public place nobody, the disinfection period of operation is opened to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, the upper limit is 5 minutes, the third organism is whenever operated a disinfection period or when an arbitrary human sensor detects someone interrupt operation after, can not the repetitive operation, next operation need experience again from someone to nobody, when an arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism. The program design of the controller realizes active continuous purification and continuous disinfection of air when people exist, and also realizes rapid and thorough disinfection of air and surfaces of objects which people can contact when people do not exist in short time of alternation of personnel.
Drawings
FIG. 1 is a schematic view of a disinfection device for use in public places where air and persons may contact the surface of an object in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a disinfecting device for use in public places where air and persons may contact the surface of an object according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a disinfection device for use in public places where air and persons may contact the surface of an object in an embodiment of the invention.
Detailed Description
The existing common disinfection method mainly comprises ultraviolet lamp direct irradiation and artificial spraying chemical disinfection, and ultraviolet light of UVC wave band emitted by the ultraviolet lamp has strong DNA or RNA damage effect on microorganisms, thereby achieving the disinfection purpose. The chemical disinfectant sprayed manually is mainly used for generating oxidation reaction with microorganisms by utilizing the strong oxidizing property of the chemical disinfectant, so that the microorganisms finally change the property to achieve the aim of disinfection.
The inventor finds that the defects of the two disinfection methods are obvious, and the ultraviolet lamp direct irradiation method cannot disinfect a large amount of air in a large range due to the limited radiation range of the ultraviolet lamp, is not suitable for public places with large areas, and can damage human bodies due to the fact that the ultraviolet lamp directly irradiates the human bodies for a long time; the method for manually spraying the chemical disinfectant has the advantages that the chemical disinfectant is corrosive, stimulation and even damage are easily caused to the respiratory mucosa of a human body, the damaged respiratory tract is more easily infected by virus and bacteria, the problem that the stimulation is too strong or the components are too rare to lose the disinfection capacity easily occurs under the condition that the concentration of the artificial proportioning concentration cannot be avoided, meanwhile, the time for killing the virus and bacteria by the chemical disinfectant still needs 30-60 minutes under the condition that the concentration proportioning is completely correct, the virus and bacteria can be killed, and the medicine property is obviously attenuated along with the continuous natural volatilization of the chemical disinfectant until the disinfection capacity is completely lost. And the two existing disinfection methods do not have the ability of actively disinfecting a large amount of air and the surfaces of objects.
The inventor finds that when all people in a public place are in use, the motor continuously provides aerodynamic force to suck air in the public place, the air is sucked into the air disinfection module continuously operated by the second machine body after being filtered and deodorized by the air purification module, the air is disinfected in the air disinfection module for three times and then sent back to the first machine body, and the air after being filtered, deodorized and disinfected for three times is sent back to the public place from the main air supply port of the first machine body; when no person is in the public place, the first machine body and the second machine body stop running after delaying 180 seconds, the third machine body is started to run for a disinfection time period, the disinfection time interval can be set, the lower limit is 1 minute, the upper limit is 5 minutes, the third machine body can not repeatedly run after the third machine body runs for one disinfection time interval or when any human body sensor detects that the running is interrupted by people, the next running needs to go from people to no people again, when an arbitrary human sensor detects someone, the controller can assign the instruction of stop operation at once to the third organism, and the third organism utilizes pulse highlight sterilization module to carry out quick, thorough disinfection to air and object surface initiative when moving, and the design of 180 seconds of cooperation first organism, second organism delayed operation has further ensured the disinfection quality, further improves the holistic disinfection efficiency of device and disinfection quality.
In order to make the objects, features and advantages of the present invention easier to understand, embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a disinfection device for use in public places where air and persons may contact the surface of an object in accordance with an embodiment of the present invention; FIG. 2 is a schematic diagram of a disinfecting device for use in public places where air and persons may contact the surface of an object according to an embodiment of the present invention; fig. 3 is a circuit diagram of a disinfection device for use in public places where air and persons may contact the surface of an object in an embodiment of the invention.
Referring first to fig. 1, a sanitizing apparatus 101 for use in public places where air and persons may contact the surface of an object, comprises: the human body sensor comprises a human body sensor 1, a second machine body 2, a first machine body 3, a human body sensor 4 and a third machine body 5.
In the present embodiment, the second body 2 is butt-jointed and combined on top of the third body 3; the third body 5, the human body inductor 1 and the human body inductor 4 are independently installed in a public place; the first body 3, the second body 2, the third body 5, the human body sensor 1 and the human body sensor 4 are collectively called a sterilizing apparatus 101 for air and human-contactable object surfaces in public places.
Referring to fig. 2, in the present embodiment, the first body 3 is composed of a first body housing 31, a motor 32, an air isolation belt 202, and an air purification module 35; the air purification module 35 consists of a primary filter module 351, an activated carbon module 352 and a high-efficiency filter module 353 and is arranged behind the first machine body main air inlet 33; a first machine body air inlet 36 and a first machine body air inlet 34 are arranged at the top of the first machine body case 31; a first machine body main air inlet 37 and a first machine body main air inlet 33 are arranged on two sides of the first machine body case 31; the motor 32 is arranged behind the first machine body main air supply port 37, an air isolation belt 202 is arranged between the motor 32 and the air purification module 35 for complete isolation, and the motor 32 of the first machine body 3 is electrically connected with the controller 22 of the second machine body 2; the second machine body 2 consists of a second machine body case 21, an air disinfection module 25 and a controller 22; a second machine body air inlet 23 and a second machine body air outlet 24 are distributed at the bottom of the second machine body case 21; the human body sensor 1 and the human body sensor 4 are independently installed in a public space, are not directly combined with any machine body, and are electrically connected with the controller 22 of the second machine body; the air disinfection module 25 consists of a first ultraviolet lamp-photocatalyst module 251, a plasma module 252 and a second ultraviolet lamp-photocatalyst module 253 which are sequentially distributed along the direction from the second machine body air inlet 23 to the second machine body air inlet 24, and the air disinfection module 25 is electrically connected with the controller 22; the controller 22 is arranged at the bottom of the second machine body case 21 and is electrically connected with the motor 32 of the first machine body 3, the air disinfection module 25 of the second machine body 3, the intensive pulse light sterilization module 51 of the third machine body 5, the human body inductor 1 and the human body inductor 4; the third body 5 is composed of a pulse highlight sterilization module 51 and is electrically connected with the controller 22 of the second body 2; the first body air inlet 34 is used as a flange and an air channel to be butt-jointed with the second body air inlet 23, the first body air inlet 36 is used as a flange and an air channel to be butt-jointed with the second body air inlet 24, and the second body air inlet 23 and the second body air inlet 24 also have the functions of a flange and an air channel, so that the second body 2 is finally butt-jointed and combined on the top of the first body 3.
In this embodiment, the primary filter module 351 is a silver ion washable filter screen, and the silver ions have a certain disinfection function, so that the cost of frequently replacing the common primary filter module is reduced by washing, the primary filter module 351 can filter out lint and large particles in the air, and the service lives of the first body 3 and the second body 2 are prolonged; the activated carbon module 352 can adsorb odor in the air; the high efficiency filter module 353 may filter PM2.5 particles in the air.
In this embodiment, the ultraviolet lamp is a first photocatalyst module 251, and the ultraviolet lamp is a second photocatalyst module 253, wherein the ultraviolet lamps are UVC ultraviolet lamps which do not generate ozone and have a wavelength of 253.7nm, and the photocatalysts are titanium dioxide with a particle size of 3-5 nm; UVC ultraviolet rays with the wavelength of 253.7nm have extremely strong capability of damaging DNA or RNA of microorganisms, titanium dioxide (photocatalyst) with the particle size of 3-5nm aggravates electron holes under the irradiation of an ultraviolet lamp to generate more hydroxyl free radicals, the hydroxyl free radicals have extremely strong oxidability and have oxidation reaction with the microorganisms, and finally the properties of the microorganisms are changed into carbon dioxide and water which are harmless to human bodies, and the titanium dioxide and the hydroxyl free radicals have no corrosiveness, no toxicity and no irritation to the human bodies.
In this embodiment, the plasma module 252 employs an array wide ionization region plasma module, and the array design widens the ionization region of the plasma module, so as to generate more ion clusters, and the ion clusters improve the disinfection efficiency by using the principle of instantaneously destroying the cells of negatively charged microorganisms.
In the embodiment, the pulsed high light sterilization module 51 consists of a mercury-free quartz lamp and a pulse drive, the irradiation intensity is 15600 μ W/cm, and the wavelengths are 220.1nm-850.14 nm. The pulse strong light is a wide-spectrum light source with a spectrum similar to sunlight, the irradiation distance is farther than that of an ultraviolet lamp, and light with stronger ultraviolet rays to an infrared region is generated to instantaneously heat microbial cells, so that the microbial cells are burst, and an instantaneous thorough disinfection effect is achieved, although the principle of the pulse strong light is to instantaneously heat the microbial cells, the pulse strong light sterilization technology belongs to a novel cold sterilization technology, the temperature of the irradiated environment and the surface of an object cannot be raised, because the pulse strong light generates ultraviolet rays in a UVA wave band, and the ultraviolet rays in the UVA wave band have stronger damage to a human body than the ultraviolet rays in a UVC wave band, the disinfection device 101 for the surfaces of air and human contact objects in public places can operate the pulse strong light sterilization module 51 when no one is available, and the air and the surface of the object can be rapidly and thoroughly disinfected simultaneously, the advantages of high disinfection efficiency of the pulsed strong light and short disinfection time are utilized, the defect that the pulsed strong light cannot irradiate a human body for a long time is avoided, and the problem that people need to actively disinfect in time, quickly and thoroughly in a temporary unmanned short time in public places with fast alternation is solved.
In this embodiment, the controller 22 is composed of a hardware driver and a software program, and is a control center of the sterilizing apparatus 101 for air and object surfaces in a public place, when any one human body sensor (the human body sensor 1 or the human body sensor 4) detects all people in the public place, the controller 22 of the second body 2 issues a command of continuous operation to the motor 32 of the first body 3 and the air sterilizing module 25 of the second body 2, and when all the human body sensors (the human body sensor 1 and the human body sensor 4) detect that no people is in the public place, the controller 22 of the second body 2 issues a command of delayed operation for 180 seconds and then stopping operation to the motor 32 of the first body 3 and the air sterilizing module 25 of the second body 2; when all the human body sensors detect that no person exists, the controller 22 of the second machine body 2 sends an instruction of operating a disinfection time interval to the pulsed strong light sterilization module 51 of the third machine body 5, the disinfection time interval of each operation of the pulsed strong light sterilization module 51 can be set to have a lower limit of 1 minute and an upper limit of 5 minutes according to the space size of a public place, the pulsed strong light sterilization module 51 cannot operate repeatedly after each operation of one disinfection time interval or when any one human body sensor detects that the operation is interrupted by a person, and the next operation needs to go from person to no person again; when any human body sensor detects a human body, the controller 22 of the second body 2 will issue an instruction to the operating module 51 to stop operating immediately.
In this embodiment, when any one of the human body sensors detects a public place owner, the controller 22 of the second body 2 issues a continuous operation command to the motor 32 of the first body 3 and the air sterilization module 25 of the second body 2, the motor 32 of the first body 3 provides aerodynamic force to suck air in the public place into the first body main air inlet 33, and after the air is filtered and deodorized by the air purification module 35 of the first body 3, the air is sucked into the second machine body 2 which is butt-jointed and combined with the top of the first machine body 3, and is disinfected for three times by an ultraviolet lamp-photocatalyst first module 251, a plasma module 252 and an ultraviolet lamp-photocatalyst second module 253 in the air disinfection module 25 of the second machine body 2 in sequence, and finally the air which is filtered, deodorized and disinfected for three times is filtered, and is sent back to the public place from the first machine body main air supply port 37 by the aerodynamic force provided by the motor 32 of the first machine body 3; when all the human body sensors detect that no person exists in a public place, the controller 22 of the second machine body 2 issues a command of stopping operation after running for 180 seconds in a delayed mode to the motor 32 of the first machine body 3 and the air disinfection module 25 of the second machine body 2, and simultaneously the pulsed strong light sterilization module 51 of the third machine body 5 is started to run for a disinfection time interval, wherein the lower limit of the disinfection time interval and the upper limit of the disinfection time interval can be set to be 1 minute by the pulsed strong light sterilization module 51 and 5 minutes, and when the pulsed strong light sterilization module 51 runs for a disinfection time interval or when any one human body sensor detects that a person stops running, the operation cannot be repeated, the next running needs to be performed from the person to the no person again, and when any one human body sensor detects that a person exists, the controller 22 of the second machine body 2 issues a command of stopping operation to the running pulsed strong light sterilization module 51; the working principle realizes seamless connection of active continuous purification and disinfection when people exist and active rapid and thorough disinfection when no people exist, and the disinfection mode when people exist actively and continuously filters, removes peculiar smell and disinfects air in public places for three times, so that the disinfection efficiency is improved, and the disinfection quality is guaranteed; when no person is in the disinfection mode, the air in the public place and the surface of the object which can be contacted by the person can be actively disinfected quickly and thoroughly, so that the disinfection efficiency is greatly improved, and the labor cost and the time cost are saved.
Please refer to fig. 3, which is a circuit diagram of the disinfection apparatus 101 for the surface of the object contacted by the air and the people in the public place according to the present invention, when the human body sensor 1 or the human body sensor 4 detects all the people in the public place, the signal is fed back to the controller 22 of the second body 2, the controller 22 of the second body 2 issues the continuous operation command to the motor 32 of the first body 3, the motor 32 of the first body 3 provides the aerodynamic force to suck the air in the public place into the first body 3, and simultaneously the controller 22 of the second body 2 issues the continuous operation command to the ultraviolet lamp-photocatalyst first module 251, the plasma module 252, and the ultraviolet lamp-photocatalyst second module 253 to disinfect the air sucked in the first body 3 for three times, and then the motor 32 of the first body 3 sends the air after the filtration, the odor removal, and the three times of disinfection back to the public place, when the human body sensor 1 and the human body sensor 4 both detect that no people in the public place, the controller 22 of the second body 2 feeds back a signal, the controller 22 of the second body 2 sends an instruction of stopping operation after delaying operation for 180 seconds to the motor 32 of the first body 3, the first ultraviolet lamp-photocatalyst module 251, the plasma module 252 and the second ultraviolet lamp-photocatalyst module 253 of the second body 2, meanwhile, the controller 22 of the second body 2 sends an instruction of operating a disinfection time interval to the pulsed strong light sterilization module 51 of the third body 5, the disinfection time interval can be set, the lower limit is 1 minute, the upper limit is 5 minutes, the pulsed strong light sterilization module 51 does not operate repeatedly after finishing operating a disinfection time interval or when any human body sensor detects that a person is in the middle of operation, the next operation needs to go from the presence of a person to the absence of a person, when any human body sensor detects a person, the controller 22 of the second body 2 will issue an instruction to the operating module 51 to stop operating immediately; the motor 32 of the first body, the first module 251 of the ultraviolet lamp and the photocatalyst of the second body, the plasma module 252, the second module 253 of the ultraviolet lamp, the human body sensor 1, the human body sensor 4, and the strong pulse light sterilization module 51 of the third body 5 are all electrically connected to the controller 22 of the second body 2, and the ground wire is connected to the chassis 31 of the first body 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (11)
1. A sanitizing apparatus for use in public places where air and persons can contact surfaces of objects, comprising:
the air purification device comprises a first machine body, a first machine body main air inlet and a first machine body main air outlet are arranged on two sides of a first machine body machine box and used as channels for sucking air in a public place into the first machine body and sending the air finally purified and disinfected back to the public place, a motor is arranged in the first machine body machine box and used for providing aerodynamic force and sucking and sending the air in the public place back, an air purification module is arranged in the first machine body machine box and located at the first machine body main air inlet, the air purification module comprises a primary filter module, an active carbon module and a high-efficiency filter module and used for filtering and removing peculiar smell of the air sucked into the first machine body, and the first machine body air inlet are arranged at the top of the first machine body machine box and used as flanges in butt joint combination with a second machine body and used as air channels;
the second machine body is positioned at the top of the first machine body, the bottom of the machine case of the second machine body is provided with a second machine body air inlet and a second machine body air outlet, the second machine body air inlet and the second machine body air outlet are used as flanges which are in butt joint combination with the first machine body and used as air channels, an air disinfection module is arranged in the machine case of the second machine body and comprises a first ultraviolet lamp-photocatalyst module, a plasma module and a second ultraviolet lamp-photocatalyst module, the first ultraviolet lamp-photocatalyst module, the plasma module and the second ultraviolet lamp-photocatalyst module are arranged along the direction of the second machine body air inlet towards the second machine body air outlet and are used for carrying out three-time disinfection on air sucked by the first machine body, a controller is arranged in the machine case of the second machine body and is electrically connected with a motor, the air disinfection module, a third machine body and a human body sensor for starting and stopping control of different disinfection modes under two conditions of a person existence and no person in a public place, and the human body sensor is independently installed in the public place and is not directly combined with any machine body, the controller is used for transmitting a signal that people exist or do not exist in a public place to the controller, and when any human body sensor transmits the signal that people exist, the controller issues a continuous operation command to the first machine body and the second machine body to continuously purify and disinfect air in the public place; when all the human body sensors transmit the unmanned signals, the controller sends a command of stopping after the first machine body and the second machine body operate for 180 seconds in a delayed mode;
the third organism, independently install in the public place, not directly make up with other organisms, the third organism comprises the module of disinfecting with the pulse highlight, when all human sensors all detect the public place nobody, the controller assigns a disinfection period of operation instruction to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, the upper limit is 5 minutes, the third organism is whenever having operated a disinfection period or when arbitrary human sensor detects someone interrupt operation after, can not repetitive operation, next time operation need experience again from someone to nobody, the third organism is when operating, utilize the alternate brief time of personnel, disinfect fast to air and people contactable object surface, when arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism.
2. The disinfection apparatus for the surfaces of public places where air and people can contact objects as claimed in claim 1, wherein the air purification module comprises a primary filter module, an activated carbon module and a high efficiency filter module, the primary filter module is located at the total air inlet of the first body, the activated carbon module is located behind the primary filter module, and the high efficiency filter module is located behind the activated carbon module.
3. The disinfection apparatus for air and surfaces of human-contactable objects in public places as claimed in claim 1, wherein the first and second ultraviolet lamps are UVC ultraviolet lamps which do not generate ozone and have a wavelength of 253.7nm, and the first and second photocatalysts are titanium dioxide having a particle size of 3 to 5 nm.
4. A disinfecting device as recited in claim 1, characterized in that said plasma module is an arrayed wide ionization zone plasma module.
5. The disinfection apparatus for public place air and human-contactable object surfaces, as claimed in claim 1, wherein said pulsed high light sterilization module is comprised of mercury-free quartz lamps and pulse drives, and has an irradiation intensity of 15600 μ W/cm and a wavelength of 220.1nm-850.14 nm.
6. A disinfecting device as recited in claim 1, characterized in that said controller is programmed such that when any one of the human body sensors detects a person in the public space, the first body and the second body are turned on for continuous operation, and when all the human body sensors detect that the person in the public space is not present, the first body and the second body are turned off after a delay of 180 seconds; when whole human sensors all detect the public place nobody, the disinfection period of operation is opened to the third organism, and the disinfection period of operation can set up, the lower limit is 1 minute, upper limit 5 minutes, the third organism has run a disinfection period or has detected someone interrupt operation back when arbitrary human sensor, can not the repetitive operation, next time operation need experience again from someone to nobody, when arbitrary human sensor detects someone, the controller can assign the instruction of stopping operation at once to the third organism.
7. A disinfecting device as recited in claim 1, characterized in that the air inlets and air outlets of the first and second bodies serve the dual functions of flange and air channel, and that the first body air inlet and the second body air inlet are combined in butt joint, the first body air inlet and the second body air outlet are combined in butt joint, and all four air outlets have the function of flange, so that the second body is combined on the top of the first body; air in a public place is sucked into the first machine body from the first machine body main air inlet, after the air is filtered by the air purification module to remove peculiar smell, the air is sent into the second machine body air inlet at the bottom of the second machine body from the first machine body air inlet at the top of the first machine body, after the air is disinfected for three times by the second machine body air disinfection module, the air is sent back to the first machine body air inlet at the top of the first machine body from the second machine body air inlet at the bottom of the second machine body, and then is sent back to the public place from the first machine body air inlet towards the first machine body main air inlet, so that the four air ports have the functions of air channels.
8. A disinfecting device as recited in claim 1, characterized in that the third body is independently mounted in the public space, is not directly combined with other bodies, and the number of the third bodies increases as the space of the public space increases.
9. A disinfection apparatus for air and human-contactable surfaces in public areas as claimed in claim 1, wherein said human body sensors are installed independently in the public area without being directly combined with any body, and the number of human body sensors increases as the space in the public area increases.
10. The air and person contactable surface sanitizing apparatus according to claim 1, wherein said motor is located at the first body main air inlet and has a substantially isolated air separation zone from the air cleaning module to prevent air from being returned to the public without being filtered and sanitized, said motor being adapted to provide aerodynamic forces to draw public air into the first body from the first body main air inlet and to return filtered and sanitized air to the public from the first body main air inlet.
11. Further, the disinfection apparatus for air and surfaces of objects contactable to people in public places according to claim 1, wherein the disinfection apparatus is further improved based on the original technical solution, and the improvement is characterized in that while the design of disinfecting air and surfaces of objects by the pulse strong light disinfection module of the original third body is maintained, the first body and the second body can be improved to be an integral body using the same chassis together, the butt joint combination in the original scheme is not needed, and the pulse strong light disinfection module of the third body can be added in the improved air disinfection module, and the number of the ultraviolet lamp-photocatalyst module, the plasma module, the ultraviolet lamp-photocatalyst module, and the pulse strong light disinfection module in the improved air disinfection module can be increased or decreased according to the size of public places, the pulse strong light disinfection module in the improved air disinfection module, will carry out the instruction that the controller was assigned someone and is lasted the operation when the people, stopped after unmanned time delay 180 seconds of operation with two modules of two photocatalysts of ultraviolet lamp a photocatalyst module, plasma module, two photocatalysts of ultraviolet lamp jointly, pulse highlight sterilization module in the third organism outside independently still remains original unmanned time operation, stops the design of stopping operation at once when someone, and the technical scheme after the improvement has further strengthened disinfection efficiency and disinfection quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527127.9A CN113218032A (en) | 2021-05-14 | 2021-05-14 | Disinfecting device for surface of object capable of being contacted by air and people in public place |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110527127.9A CN113218032A (en) | 2021-05-14 | 2021-05-14 | Disinfecting device for surface of object capable of being contacted by air and people in public place |
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| CN113218032A true CN113218032A (en) | 2021-08-06 |
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| CN202110527127.9A Withdrawn CN113218032A (en) | 2021-05-14 | 2021-05-14 | Disinfecting device for surface of object capable of being contacted by air and people in public place |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU209287U1 (en) * | 2022-01-26 | 2022-03-14 | Общество с ограниченной ответственностью "Бюро аналитического приборостроения "Хромдет-Экология" | Device for disinfection of air space and indoor surfaces |
-
2021
- 2021-05-14 CN CN202110527127.9A patent/CN113218032A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU209287U1 (en) * | 2022-01-26 | 2022-03-14 | Общество с ограниченной ответственностью "Бюро аналитического приборостроения "Хромдет-Экология" | Device for disinfection of air space and indoor surfaces |
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Application publication date: 20210806 |