CN111397024A - Regional air purification device - Google Patents

Regional air purification device Download PDF

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Publication number
CN111397024A
CN111397024A CN202010317827.0A CN202010317827A CN111397024A CN 111397024 A CN111397024 A CN 111397024A CN 202010317827 A CN202010317827 A CN 202010317827A CN 111397024 A CN111397024 A CN 111397024A
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China
Prior art keywords
area
pressure air
negative pressure
positive pressure
air inlet
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CN202010317827.0A
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Chinese (zh)
Inventor
徐洪明
徐金明
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Individual
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Individual
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Priority to CN202010317827.0A priority Critical patent/CN111397024A/en
Publication of CN111397024A publication Critical patent/CN111397024A/en
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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
    • 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
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • 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
    • 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
    • F24F13/20—Casings or covers
    • 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
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention relates to a regional air purification device which comprises a shell, wherein a hollow cavity is formed inside the shell, and a negative pressure air inlet area and a positive pressure air outlet area which are in fluid communication with the cavity are formed in the shell; a filter member disposed within the chamber; the wind power assembly is arranged in the cavity and can draw air from the negative pressure air inlet area and supply air to the positive pressure air outlet area; the negative pressure air inlet area is positioned outside the positive pressure air outlet area, so that a negative pressure suction area capable of blocking dust and spray is promoted to be formed, the structural design is reasonable, the isolation effect is good, a user can solely enjoy clean air in the positive pressure area when sitting near the positive pressure area of the purifying device, spray exhaled by the user or other people is effectively sucked into the shell by airflow in the air inlet area, the situation that the protected people carry bacteria and viruses to pollute the surrounding environment is avoided, the situation that the protected people suck air polluted by other people is also avoided, and meanwhile, redundant clean air is discharged into the surrounding environment to play a role in purifying the environment.

Description

Regional air purification device
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to a regional air purification device which is particularly suitable for individuals.
Background
The existing respiratory protection products are divided into active protection and passive protection, wherein the passive protection products such as a mask can strictly filter air, but are not suitable for long-term wearing, because the following problems can be caused if the products are worn for a long time: 1. when the patch is worn for more than 4 hours, the dermis of the skin at the positions of the nose bridge, the cheekbones, the ears and the like is thin and lacks the buffer of the fat layer, so that pressure-related injury is easily caused, local skin depression or congestion appears at the early stage, and skin ulceration and infection appear at the serious stage; 2. the skin is sealed and local pressure is caused by wearing the mask for a long time, so that the pilosebaceous canal is blocked, and in addition, the steam exhaled from the nasal cavity forms a local damp and hot microenvironment in the mask wrapping range, so that propionibacterium acnes, malassezia, mites and the like are easy to activate, and the acne or the original acne is possibly aggravated.
Wherein, the positive pressure breathing mask is heavy, inconvenient in practical production and use without special medical treatment and not too elegant; the breathing purifier is used for disinfecting the whole room, the time effect is slow, and the breathing purifier cannot play a good protection role if a patient suddenly enters the breathing purifier.
To above-mentioned problem, chinese utility model patent that patent number is CN201821528692.7 (the bulletin number is CN208998221U) discloses "a desktop formula respiratory purifier", and this respiratory purifier includes desktop body, fan and filter equipment, the desktop body includes upper surface, lower surface and side, cavity is constituteed to upper surface, lower surface and side, the fan with filter equipment locates in the cavity, just the fan with the filter equipment position corresponds from top to bottom, the upper surface with the lower surface is equipped with a plurality of ventilation holes respectively, can realize carrying out air purification to individual special position, and occasion such as especially classroom, office space can purify the air in individual place space, realizes supplying with exclusive clean air to individual.
In other words, the patent modifies the table to a breathing cleaner to fulfill the need for an individual to inhale clean air. However, this solution has a number of disadvantages: 1. the large-area popularization and application cannot be realized, because the office table top cannot be replaced by a structure with a built-in breathing purifier at any time and any place, and all the table tops are made into the structure with the built-in breathing purifier, the cost is high; 2. although the purifier can purify the air in the area where the user is located, when two persons contact with each other in a short distance, no matter the user or the person contacting with the user in a short distance, the purifier has poor isolation effect on the cross transmission of the air and the droplets exhaled by the two persons, and the user or the person in a short distance can still breathe the droplets or polluted air of the other person; the working principle of the purifier is not different from that of most purifiers on the market in nature, and the purifier cannot quickly respond to short-distance sudden pollution.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a regional air purification device which can enable clean air to flow to a polluted region in a single direction only by forming an inner positive pressure region and an outer negative pressure region.
The technical scheme adopted by the invention for solving the technical problems is as follows: a regional air purification device comprises
The air conditioner comprises a shell, a fan and a fan, wherein a hollow cavity is formed inside the shell, and a negative pressure air inlet area and a positive pressure air outlet area which are in fluid communication with the cavity are formed in the shell;
a filter member disposed within the chamber;
the wind power assembly is arranged in the cavity and can draw air from the negative pressure air inlet area and supply air to the positive pressure air outlet area;
the negative pressure air inlet area is positioned outside the positive pressure air outlet area, so that a negative pressure suction area capable of blocking dust and spray is formed.
The negative pressure air inlet area and the positive pressure air outlet area are arranged on the same side wall of the shell, and at least part or all of the positive pressure air outlet area is enclosed in a negative pressure suction area formed at the negative pressure air inlet area, so that at least part or all of the inner layer positive pressure air outlet area is in the outer layer negative pressure air inlet area, and flying foam exhaled by a user or polluted air from the outside can be better isolated and purified.
In order to avoid the mutual interference of air flows between the negative pressure air inlet area and the positive pressure air outlet area and influence the purification work of the purifier, an isolation area is arranged between the negative pressure air inlet area and the positive pressure air outlet area, so that the air inlet flow and the air outlet flow are not interfered with each other, and the air flows stably; in addition, the isolation area is convenient for users to write, read, place work requirements such as computer, the purifier not only plays the effect of purification, can also be used as the rest platform.
The negative pressure air flow formed at the negative pressure air inlet area can not only completely surround the air outlet positive pressure area, but also partially surround the air outlet positive pressure area, and the negative pressure air inlet area is distributed in a shape of a Chinese character 'hui'.
In order to further purify air, a sterilization assembly is arranged in the cavity and positioned on the airflow flow path, and the remote flying spray of other people, dust in the air or air with viruses can reach the position near the nose of the protected person only after being sterilized by the sterilization assembly, so that the protected person can breathe clean air.
In order to facilitate the arrangement of the filtering piece and the sterilization assembly, the filtering piece is arranged along the distribution area of the negative pressure air inlet area and is positioned at the negative pressure air inlet area, and the sterilization assembly is positioned at the downstream of the filtering piece along the air flow path.
In order to be able to carry the directional subassembly department of disinfecting of carrying of air current in getting into the casing, avoid the air current not just to flow from the malleation exhaust area through disinfecting, be equipped with in the cavity with filter the guide plate of the terminal surface laminating in negative pressure air inlet district dorsad, filter the peripheral distribution of piece along the guide plate, the storage tank that supplies the subassembly of disinfecting to arrange in is seted up at the neighbouring central part of guide plate, sets up on the guide plate from its periphery towards the storage tank extension and with the guiding gutter that the storage tank is linked together. Therefore, the airflow enters the diversion trench after being filtered by the filter, and the diversion trench conveys the airflow to the accommodating groove in a directional manner and flows out from the positive pressure air outlet area after being sterilized.
In order to ensure that all the airflow filtered by the filter element can be conveyed to the sterilization component, a plurality of flow guide grooves are distributed in a scattering manner by taking the accommodating groove as the center. The filter parts are correspondingly provided with guide grooves.
Preferably, in the flow direction of the gas flow, the longitudinal cross-sectional area of the downstream of each of the flow guide grooves is smaller than the longitudinal cross-sectional area of the upstream. Therefore, when the airflow moves in the diversion trench, airflow with certain pressure can be formed, and the airflow can flow out of the positive pressure air outlet area after passing through the sterilization component.
In order to guarantee that the air current in the casing can flow to the malleation air-out district and flow from the malleation air-out district, preferably, wind power component has at least one and corresponds the setting of malleation air-out district, and wind power component can lead the air current in the casing to malleation air-out district department and blow out like this.
In order to facilitate the use of a plurality of people, at least one positive pressure air outlet area is arranged.
In order to prevent clean air formed by the positive pressure air outlet area from being polluted by outside air, each positive pressure air outlet area is partially or completely surrounded by one or more negative pressure air inlet areas.
Compared with the prior art, the invention has the advantages that: 1. the regional air purification device is provided with the negative pressure air inlet area and the positive pressure air outlet area, and after external air enters the shell through the negative pressure air inlet area and is filtered, clean air flows out of the positive pressure air outlet area to be breathed by a user, so that the device has the effects of preventing virus, dust and aerosol pollution, and has the advantages of smooth breathing and pleasant feeling when the device is not provided with a mask and the closeness when the device is communicated with people, so that the pollution to the environment can be reduced when the user is infected with bacteria or viruses, the polluted air outside the device can be prevented from being breathed by the user, and the device is suitable for being used in public places such as offices, hospitals, schools and vehicles or the inside of families to generate relatively clean private breathing space; 2. according to the invention, independent air flows can be formed at the negative pressure air inlet area and the positive pressure air outlet area, and the negative pressure air inlet area partially or completely surrounds the positive pressure air outlet area, so that the structure is more reasonable, the isolation effect is better, when the air purifier is used, the air outlet positive pressure area is aligned to the mouth and nose part of a user, the negative pressure area surrounds the purified positive pressure air outlet area, and the air flowing out from the positive pressure area directly reaches the mouth and nose part of the user under the action of the air power unit, so that the user can only breathe the processed clean air; because the far end of the user is surrounded by the negative pressure area, air, droplets exhaled by other people nearby and droplets of the user can be inhaled by the negative pressure area firstly to be purified and sterilized, so that the user or other people in close range can be prevented from infecting various viruses and inhaling dust; in conclusion, when a user sits near the positive pressure area of the purification device, the user can solely enjoy clean air in the positive pressure area, and the air flow exhaled by the user or other people is effectively sucked into the shell by the air flow at the negative pressure air inlet area, so that the situation that the protected person carries bacteria and viruses to pollute the surrounding environment is avoided, the situation that the protected person inhales air polluted by other people is also avoided, and meanwhile, redundant clean air is discharged into the surrounding environment to play a role in purifying the environment; 3. the purification device can be carried about, and a relatively private clean breathing space is formed in the area where the purification device is placed on the occasion where air needs to be purified.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the upper cover removed;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 1;
FIG. 5 is a schematic structural view of example 2 of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 1 with the upper cover removed;
fig. 7 is a schematic structural view of a fan with more than two positive pressure air outlet regions.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1
As shown in fig. 1 to 4, the regional air purification device of the preferred embodiment includes a housing 1, a hollow chamber 11 is provided inside the housing 1, a negative pressure air inlet area 12 and a positive pressure air outlet area 13 are provided on a top wall of the housing 1, and both the negative pressure air inlet area 12 and the positive pressure air outlet area 13 are in fluid communication with the chamber 11.
The air blower is characterized in that a filter element 2, a sterilization component 4, a guide plate 5 and an air power component 3 are arranged in a cavity 11 of a shell 1, the filter element 2, the guide plate 5, the sterilization component 4 and the air power component 3 are sequentially arranged along a flow path of air flow, the filter element 2 can adopt one or a combination of a coarse filtration method, a fine filtration method, an active carbon adsorption layer and a HEPA (high efficiency particulate air) and U L PA (high efficiency particulate air) composite filter core to filter air entering the shell 1, the sterilization component 4 can adopt one or a combination of a plurality of sterilization methods of negative ions, microwaves, ultrasonic waves, biological sterilization preparations, ultraviolet rays and the like, the embodiment preferentially adopts L ED (deep ultraviolet) sterilization, UVC ultraviolet rays directly cut off DNA (deoxyribonucleic acid) of germs to inactivate the reproductive capacity of the microbes, when the microbes are irradiated by the ultraviolet rays, genetic material DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) of the microbes absorb a large amount of ultraviolet rays to destroy the division replication capacity, and finally naturally die or are destroyed by an immune system, the pathogenic capacity of a positive pressure air blower to human body is lost, the positive pressure air inlet power component 3 can automatically feed into a negative pressure air inlet area 12 and then feed air to an air outlet area 13, and the air outlet area can also form an ultra-air-.
The area of the negative pressure air inlet area 12 is located at the outer side of the area of the positive pressure air outlet area 13, and the positive pressure air outlet area 13 is partially enclosed in the negative pressure area formed at the negative pressure air inlet area 12. In this embodiment, the left side, the right side and the rear side of the positive pressure air-out region 13 are both provided with the negative pressure air inlet regions 12, that is, the negative pressure air inlet regions 12 are distributed in a shape like a Chinese character hui, the negative pressure air inlet regions 12 can form a negative pressure region in a shape like a Chinese character hui on the periphery of the positive pressure air-out region 13, and the area of the negative pressure air inlet regions 12 is 2-100 times, preferably 70 times, the area of the positive pressure air-out region 13. The air flowing out from the positive pressure air outlet area 13 keeps positive pressure in a certain space range, and the clean air can only be diffused to the air with polluted air, so that a relatively clean area of a positive pressure area is formed.
Of course, the negative pressure air inlet area 12 and the positive pressure air outlet area 13 are not limited to the structural form shown in this embodiment, and may be formed in other structures, for example, the area where the negative pressure air inlet area 12 is located is arc-shaped, and the positive pressure air outlet area 13 is arc-shaped or strip-shaped, is located in the surrounding area of the negative pressure air inlet area 12, and is completely surrounded by the negative pressure air inlet area 12 to form a negative pressure annular air flow.
In this embodiment, the negative pressure air inlet area 12 is formed by a plurality of air inlet holes formed in the top wall of the housing 1, and the positive pressure air outlet area 13 is formed by a plurality of air outlet holes formed in the side wall of the housing 1, so as to facilitate the air to flow in and out.
The isolation area 14 is arranged between the negative pressure air inlet area 12 and the positive pressure air outlet area 13, so that the negative pressure area and the positive pressure area are not interfered with each other, the airflow stably flows, and the isolation area 14 ensures that enough areas are provided for placing working articles (such as books and computers) on the shell 1, so that a user can work and study normally while breathing clean air.
Filter 2 and set up and be located negative pressure air inlet district 12 department along the distribution area in negative pressure air inlet district 12, filter 2 and can divide into the polylith, still be equipped with frame 21 in the cavity 11, have a plurality of mounting holes 211 on the frame 21, filter 2 cartridge one-to-one in mounting hole 211 for filter 2 makes things convenient for the dismouting, along air current flow path, all filter 2 roof that is pasting casing 1.
Guide plate 5 and the terminal surface laminating of the negative pressure air inlet district 12 dorsad of filtering piece 2, filter piece 2 and distribute along guide plate 5's periphery, the storage tank 51 that supplies the subassembly 4 that disinfects to arrange in is seted up to the adjacent central part of guide plate 5, set up on the guide plate 5 from its periphery towards the guiding gutter 52 that the storage tank 51 extends, guiding gutter 52 is linked together with storage tank 51, guiding gutter 52 has a plurality ofly and is the scattering form distribution for the center with the storage tank 51, every filters piece 2 department promptly and all corresponds there is guiding gutter 52. The air current enters the diversion trench 52 after being filtered by the filter element 2, the diversion trench 52 conveys the air current into the containing groove 51 directionally, and the air current flows out from the positive pressure air outlet area 13 after being sterilized by the sterilizing component 4, so that the air current is prevented from flowing out from the positive pressure air outlet area 13 without being sterilized.
In this embodiment, along the flowing direction of the airflow, the downstream longitudinal sectional area of each flow guide groove 52 is smaller than the upstream longitudinal sectional area, that is, the inlet of each flow guide groove 52 is large and the outlet thereof is small. Thus, when the air flow moves in the guiding groove 52, an air flow with a certain pressure is formed, namely, the air flow is pressurized, and the air flow can move towards the positive pressure air outlet area 13 in a one-way manner.
The guide plate 5 is also provided with three grooves 53 corresponding to the positive pressure air outlet area 13, the grooves 53 are communicated with the accommodating groove 51, and the wind power components 3 are arranged in the grooves 53 along the left and right directions, so that the grooves 53 correspond to the positive pressure air outlet area 13. Not only does 3 wind-force components 3 guarantee wind-force, also make casing 1 need not do too thickly, otherwise only have one wind-force component 3, in order to reach required power, wind-force component 3's volume can be great, also needs great holding wind-force component 3's space in the casing 1. The receiving groove 51, the guide groove 52, and the groove 53 of the guide plate 5 may or may not penetrate the wall thickness of the guide plate 5.
Certainly, the number of the wind power assemblies 3 is not limited to three, and the wind power assemblies 3 are not limited to be arranged at the positive pressure air outlet area 13, and can also be arranged at other positions of the cavity 11, but the air draft and air supply effects at the positive pressure air outlet area 13 are better.
In this embodiment, the housing 1 is flat, has a thickness of less than 25mm, is small in size and convenient to carry, and can be easily placed on various table tops and chair backs, so as to be convenient for users to use. The casing 1 is formed by covering an upper cover 15 and a base 16, the upper cover 15 and the base 16 are covered and fixed to form the cavity 11, and the filter piece 2, the wind power assembly 3 and the like in the casing 1 are conveniently maintained and replaced through the split design.
The working principle of the purification device of the embodiment is as follows: the mouth and nose part of a user is adjacent to the positive pressure air outlet area 13, under the action of the wind power assembly 3, airflow enters from the negative pressure air inlet area 12 and forms a negative pressure area at the negative pressure air inlet area 12, and flows out from the positive pressure air outlet area 13 after being processed by the filter element 2 and the sterilization assembly 4, and the airflow direction is shown by a dotted arrow in fig. 4; when the outside air reaches the vicinity of the protected person, because the areas far away from the protected person are negative pressure areas, the air is firstly sucked into the cavity 11 in the shell 1, and is sprayed out from the positive pressure air outlet area 13 to the vicinity of the nose of the protected person after being filtered and sterilized in the cavity 11, so that the protected person always breathes clean air; in addition, the spray exhaled by the protected person can enter the cavity 11 of the shell 1 under the action of negative pressure, so that the environment is prevented from being polluted by viruses and bacteria exhaled by the protected person.
In addition, in order to improve the automation of the purification apparatus, a controller 6, such as a microcomputer controller, is disposed in the storage tank 51. The wind power component 3 is provided with a wind power component switch which can open and close the wind power component and adjust the wind power, the sterilization component 4 is provided with a control switch which controls whether the deep ultraviolet ray or the anion generator works, and the wind power component switch and the control switch are both electrically connected with the output end of the controller.
Example 2
Example 2 differs from example 1 in that: the number of the positive pressure air outlet areas 13 is two, and each positive pressure air outlet area 13 corresponds to the negative pressure air inlet area 12 shaped like a Chinese character hui.
As shown in fig. 5 and 6, the two regional air purification devices are provided, the two regional air purification devices are integrally formed on the casing 1, the cavities 11 in the two casings 1 are communicated with each other and are arranged in a mirror symmetry manner, the cavities are not communicated with each other, the top wall of the casing 1 is provided with two positive pressure air outlet areas 13 and two negative pressure air inlet areas 12 in a mirror symmetry manner, the wind power assembly 3 and the filter element 2 in the cavity 11 are also arranged in a mirror symmetry manner, so that the two users are respectively arranged on two sides of the casing 1, and each person uses one positive pressure air purification area.
Of course, as shown in fig. 7, there may be more than two positive pressure air outlet areas 13, and each of the positive pressure air outlet areas 13 is partially or completely surrounded by one or more negative pressure air inlet areas 12.
A person skilled in the art can implement the invention in a simple combination of techniques within the scope of the principle of the invention, and therefore simple modifications are to be considered within the scope of the invention.

Claims (12)

1. A regional air purification device comprises
The air conditioner comprises a shell (1), wherein a hollow cavity (11) is formed inside the shell (1), and a negative pressure air inlet area (12) and a positive pressure air outlet area (13) which are in fluid communication with the cavity (11) are formed in the shell (1);
a filter element (2) arranged in the chamber (11);
the wind power assembly (3) is arranged in the cavity (11) and can draw air from the negative pressure air inlet area (12) and supply air to the positive pressure air outlet area (13);
the air conditioner is characterized in that the area of the negative pressure air inlet area (12) is positioned outside the area of the positive pressure air outlet area (13), so that a negative pressure suction area capable of blocking dust and spray is promoted to be formed.
2. The zone air purification apparatus according to claim 1, wherein: negative pressure air inlet district (12) and malleation air-out district (13) are located on the same lateral wall of casing (1), just malleation air-out district (13) are at least local enclosed in the negative pressure suction area that negative pressure air inlet district (12) department formed.
3. The zone air purification apparatus according to claim 2, wherein: the negative pressure air inlet area (12) is partially or completely annularly surrounded relative to the positive pressure air outlet area (13), so that a partial or complete annular air flow is formed on the periphery of the positive pressure air outlet area (13).
4. The zone air purification apparatus according to claim 1, wherein: an isolation area (14) is arranged between the negative pressure air inlet area (12) and the positive pressure air outlet area (13).
5. The zone air purification device according to claim 1, wherein the area of the negative pressure air inlet zone (12) is 2-100 times larger than that of the positive pressure air outlet zone (13).
6. The regional air purification device according to any one of claims 1 to 5, wherein: the chamber (11) is internally provided with a sterilization assembly (4) positioned on the airflow flow path.
7. The zone air purification apparatus according to claim 6, wherein: the filter piece (2) is arranged along the distribution area of the negative pressure air inlet area (12), is positioned at the negative pressure air inlet area (12), and is positioned at the downstream of the filter piece (2) along the airflow flow path of the filter piece (4).
8. The zone air purification apparatus according to claim 7, wherein: be equipped with in cavity (11) and filter guide plate (5) of piece (2) terminal surface laminating of negative pressure air inlet district (12) dorsad, filter piece (2) and distribute along the periphery of guide plate (5), storage tank (51) in supplying to disinfect subassembly (4) are arranged in are seted up to the adjacent central part of guide plate (5), offer on guide plate (5) from its periphery guide gutter (52) that extend towards storage tank (51) and be linked together with storage tank (51).
9. The zone air purification apparatus according to claim 8, wherein: the guide grooves (52) are distributed in a scattering manner by taking the accommodating groove (51) as a center.
10. The zone air purification apparatus according to claim 8, wherein: the longitudinal cross-sectional area of the downstream of each flow guide groove (52) is smaller than the longitudinal cross-sectional area of the upstream along the flowing direction of the airflow.
11. The regional air purification device according to any one of claims 1 to 5, wherein: at least one positive pressure air outlet area (13) is arranged.
12. The zone air purification apparatus according to claim 11, wherein: each positive pressure air outlet area (13) is partially or completely surrounded by one or more negative pressure air inlet areas (12).
CN202010317827.0A 2020-04-21 2020-04-21 Regional air purification device Pending CN111397024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010317827.0A CN111397024A (en) 2020-04-21 2020-04-21 Regional air purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010317827.0A CN111397024A (en) 2020-04-21 2020-04-21 Regional air purification device

Publications (1)

Publication Number Publication Date
CN111397024A true CN111397024A (en) 2020-07-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010317827.0A Pending CN111397024A (en) 2020-04-21 2020-04-21 Regional air purification device

Country Status (1)

Country Link
CN (1) CN111397024A (en)

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