CN111256212A - Indoor air supply and pressurization air purification system - Google Patents

Indoor air supply and pressurization air purification system Download PDF

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Publication number
CN111256212A
CN111256212A CN202010196345.4A CN202010196345A CN111256212A CN 111256212 A CN111256212 A CN 111256212A CN 202010196345 A CN202010196345 A CN 202010196345A CN 111256212 A CN111256212 A CN 111256212A
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China
Prior art keywords
air
indoor
filtering device
purification system
exhaust pipe
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Pending
Application number
CN202010196345.4A
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Chinese (zh)
Inventor
陈想年
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Chen Zhen
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Individual
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Priority to CN202010196345.4A priority Critical patent/CN111256212A/en
Publication of CN111256212A publication Critical patent/CN111256212A/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
    • 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
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • 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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • 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
    • 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
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F24F2140/12—Heat-exchange fluid pressure
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention provides an indoor air supply and pressurization air purification system, which relates to the field of air purification equipment and comprises an air inlet pipe, a fan and a first exhaust pipe which are sequentially connected, wherein the first exhaust pipe is communicated with the indoor space, the air inlet pipe is communicated with the outdoor air, and the fan introduces the outdoor air into a closed indoor space through the air inlet pipe to ensure that the indoor air pressure is greater than the outdoor air pressure; the indoor air supply pressurized air purification system further comprises: the air purifier comprises a first filtering device, a purifying device and a second filtering device, wherein the first filtering device is connected to one end of an air inlet pipe; the purifying device is connected between the fan and the first exhaust pipe; the second filtering device is connected to one end of the first exhaust pipe. The invention not only can purify the air entering the room, but also can filter the purified air again so as to further improve the quality of the air.

Description

Indoor air supply and pressurization air purification system
Technical Field
The invention relates to the field of air purification equipment, in particular to an indoor air supply and pressurization air purification system.
Background
During the epidemic situation of the novel coronavirus, viruses are diffused in outdoor air, and particularly, the outdoor air near a hospital has high virus content. Even if the residents stay indoors, the indoor air cannot be guaranteed to contain viruses at all. If residents live in the same building are infected, the virus content in the air in the building and nearby can be greatly increased, and the life safety of other residents is seriously threatened. In addition, once a fire disaster happens to a high-rise residence, dense smoke containing harmful substances outdoors invades the room, and some residents who cannot evacuate in time often die due to the fact that the dense smoke is inhaled. In order to improve the indoor air quality, the air purifier can play a great role.
The existing air purifier generally purifies the internal circulation by extracting the indoor air, but the indoor space can not form a closed environment in the true sense due to the influence of the sealing performance of doors and windows, and the outdoor air can still continuously enter the indoor space through gaps such as doors and windows. The purification inner loop effect of air purifier only can accelerate outdoor air entering indoor, and then accelerates virus and harmful substance entering indoor, can't play effectual air purification effect. Moreover, the conventional air purifiers generally adsorb, decompose or convert respective air pollutants, including dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergens and the like in the air, and the common air purifiers cannot effectively sterilize viruses in the air. When the existing air purifier discharges clean air, because the interior of the existing air purifier contains some fine adsorbents, a small amount of fine adsorbent particles can be carried in the air during discharging, and therefore the indoor environment is polluted by the fine adsorbent particles.
Disclosure of Invention
The invention aims to provide an indoor air supply and pressurization air purification system which not only can purify air entering a room, but also can re-filter the purified air.
In order to achieve the purpose, the indoor air supply and pressurization air purification system provided by the invention comprises an air inlet pipe, a fan and a first exhaust pipe which are sequentially connected, wherein the first exhaust pipe is communicated with the indoor space, the air inlet pipe is communicated with the outdoor air, and the fan introduces the outdoor air into the closed indoor space through the air inlet pipe so that the indoor air pressure is greater than the outdoor air pressure; the indoor air supply pressurized air purification system further comprises: the air purifier comprises a first filtering device, a purifying device and a second filtering device, wherein the first filtering device is connected to one end of an air inlet pipe; the purifying device is connected between the fan and the first exhaust pipe; the second filtering device is connected to one end of the first exhaust pipe.
According to the scheme, the first filtering device is arranged on the air inlet pipe and used for filtering large-volume particles in outdoor air, so that the fan is prevented from being damaged; outdoor air is led in by the fan in a large amount, so that the indoor air pressure is greater than the outdoor air pressure, and viruses and harmful substances are prevented from entering the room from gaps such as doors and windows; the purification device is used for purifying outdoor air introduced by the fan, so that the safety and cleanliness of the indoor air are ensured; through set up second filter equipment on first exhaust pipe for carry out secondary filter to the outdoor air after purifying, prevent to carry tiny granule entering indoor in the outdoor air after the purification, further improve the quality of indoor air.
Further, the purification device comprises at least one of the following: an active carbon filtering device, an ultraviolet disinfection device and an anion generator.
According to the scheme, the active carbon filtering device is used for adsorbing impurities in outdoor air; the ultraviolet disinfection device is used for inactivating harmful substances such as viruses, bacteria and the like in the air; the negative ion generator is arranged, so that the dust removing and air purifying effects are achieved; the purification device can effectively disinfect and purify air, so that the outdoor air is discharged indoors after reaching the safety standard, and the life safety of residents is guaranteed.
The further proposal is that the purification device also comprises a heating device which intermittently heats the activated carbon particles in the activated carbon filter device.
According to the scheme, the activated carbon is heated intermittently by the heating device, so that the phenomenon that the adsorption effect is influenced by humidity generated in the adsorption process of the activated carbon is avoided.
The further scheme is that the first filtering device and the second filtering device both comprise filter screens, and the mesh number of the filter screens of the second filtering device is larger than that of the filter screens of the first filtering device.
According to the scheme, the mesh number of the second filtering device is larger than that of the first filtering device, so that particles with smaller volume in outdoor air, especially activated carbon particles carried in the purifying process, are filtered, and the particles are prevented from being discharged to the indoor environment and polluting the indoor environment.
The indoor air supply and pressurization air purification system further comprises a control unit, an air pressure sensor and a second exhaust pipe, the second exhaust pipe exhausts air to the outside, a pressure regulating valve is arranged on the second exhaust pipe, the control unit is connected with the air pressure sensor and the pressure regulating valve respectively, the air pressure sensor is used for detecting indoor air pressure and sending the indoor air pressure to the control unit, and when the indoor air pressure is larger than or equal to preset indoor air pressure, the control unit controls the pressure regulating valve to be opened.
According to the scheme, when the indoor air pressure is larger than or equal to the preset indoor air pressure, the control unit automatically adjusts the air displacement of the second exhaust pipe through the pressure adjusting valve, and the eardrum damage of residents due to the fact that the indoor air pressure is too large is avoided.
Further, the exhaust volume of the first exhaust pipe is larger than that of the second exhaust pipe.
According to the scheme, the air displacement of the first exhaust pipe is larger than that of the second exhaust pipe, so that the indoor air pressure is always kept to be larger than the outdoor air pressure.
The further proposal is that the indoor air supply and pressurization air purification system also comprises a battery which is respectively electrically connected with the fan and the purification device.
By above-mentioned scheme it is visible, through setting up the battery, when indoor power failure, available battery supplies power to fan and purifier to guarantee fan and purifier's normal operating.
In a further aspect, the battery includes at least one of: dry cells, lead storage batteries, and lithium batteries.
Drawings
FIG. 1 is an intake view of an embodiment of the present invention.
FIG. 2 is an exhaust diagram of an embodiment of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1, the indoor air supply and pressurized air purification system of the present embodiment includes a control unit, an air inlet pipe 1, a fan 2, a purification device, and a first exhaust pipe 4, wherein the control unit is electrically connected to the fan 2 and the purification device, respectively, and sends control signals to the fan 2 and the purification device. Intake pipe 1 passes the air inlet end intercommunication of outer wall 7 and fan 2, and first exhaust pipe 4 sets up the air-out end at fan 2, and first exhaust pipe 4 communicates with the room air through indoor exhaust window 8, and purifier sets up between fan 2 and first exhaust pipe 4. The fan 2 introduces the outdoor air into the purifying device through the air inlet pipe 1 for purifying the outdoor air, and the purified outdoor air is discharged indoors through the first exhaust pipe 4 and the exhaust window 8.
In order to avoid large-volume particles in outdoor air from entering and damaging the fan 2, one end of the air inlet pipe 1 is connected with a first filtering device 11, the first filtering device 11 is an air filter, the first filtering device 11 can be arranged on one outdoor side of the outer wall 7 and also can be arranged on one indoor side of the outer wall 7, the first filtering device 11 is preferably the latter, and the first filtering device 11 can be conveniently cleaned or replaced in time. Specifically, the first filtering device 11 includes a first housing in a cube shape, and a first hollow cavity is formed in the first housing, so that the airflow can circulate in the first cavity. The air conditioner is characterized in that a first air inlet hole and a first air outlet hole are formed in the first shell, the air inlet pipe 1 is communicated with the first air inlet hole, the first air outlet hole is communicated with the fan 2 through a first pipeline 9, one or more layers of filter screens are arranged in the first cavity, and outdoor air enters the first cavity from the first air inlet hole, penetrates through the filter screens and enters the fan 2 from the first pipeline 9.
The indoor closed room that is door and window closeness of this embodiment, when outdoor air constantly introduces the closed indoor time, indoor atmospheric pressure can continuously rise for indoor atmospheric pressure is greater than outdoor atmospheric pressure. Even if the door and window has a gap, viruses and harmful substances cannot enter the room from the gap along with air.
The purification device comprises an active carbon filter device 31, an ultraviolet disinfection device 33 and an anion generator 34 which are sequentially arranged along the air inlet direction. The activated carbon filtering device 31 is internally provided with activated carbon particles and a heating device 32, and the heating device 32 intermittently heats the activated carbon particles to prevent the activated carbon particles from adsorbing excessive water vapor in air after being used for a long time, so that the adsorption effect is influenced by the humidity of the activated carbon particles. The heating device 32 is electrically connected to the control unit, and the control unit controls the heating device 32 to generate heat at a predetermined time interval, which can be set according to the humidity of the outdoor environment of the day.
Because the active carbon granule volume is less, when the outdoor air entered active carbon filter equipment 31, can take away partial active carbon granule for outdoor air can carry the active carbon granule to indoor when discharging, leads to indoor air discharge window 8 to be stamped one deck active carbon granule, and both extravagant active carbon granule is unfavorable to indoor sanitation again. Therefore, in the present embodiment, the second filtering device 41 is connected to one end of the first exhaust pipe 4, the second filtering device 41 is an air filter, and the second filtering device 41 includes a filter screen. Specifically, the second filtering device 41 includes a second housing in a cube shape, and a second hollow cavity is formed in the second housing, so that the airflow can circulate in the second hollow cavity. The second shell is provided with a second air inlet hole and a second air outlet hole, the first exhaust pipe 4 is communicated with the second air inlet hole, the second air outlet hole is communicated with the exhaust window 8 through a second pipeline 10, one or more layers of filter screens are arranged in the second cavity, and purified outdoor air enters the second cavity from the first exhaust pipe 4 and sequentially passes through the filter screens, the second pipeline 10 and the exhaust window 8 to enter the room. The mesh number of the screen in the second filter device 41 is larger than that in the first filter device 11.
Referring to fig. 2, the indoor air supply and pressurization air purification system further includes an air pressure sensor, a pressure regulating valve 6 and a second exhaust pipe 5, and the control unit is electrically connected with the air pressure sensor and the pressure regulating valve 6, respectively. The air pressure sensor is arranged indoors and used for detecting the current indoor air pressure in real time and feeding back the current indoor air pressure to the control unit, and for example, an indoor air pressure signal is sent to the control unit in a wired transmission or wireless transmission mode. The second exhaust pipe 5 is arranged at a position far away from the first exhaust pipe 4 and penetrates out of the outer wall 7 from the indoor space for exhausting air to the outdoor space, and the pressure regulating valve 6 is arranged on the second exhaust pipe 5.
When the air pressure sensor detects that the current indoor air pressure is larger than or equal to the preset indoor air pressure, the control unit controls the pressure regulating valve 6 to be opened to exhaust and release air pressure. The preset indoor air pressure may be 1.1 times of the outdoor air pressure, that is, when the pressure difference between the current indoor air pressure and the outdoor air pressure is greater than or equal to 10%, the pressure regulating valve 6 is opened. In order to keep the indoor air pressure always larger than the outdoor air pressure, the displacement of the first exhaust pipe 4 is larger than that of the second exhaust pipe, that is, the displacement of the first exhaust pipe 4 is larger than that of the pressure regulating valve 6.
The indoor air supply and pressurized air purification system of the embodiment further comprises a battery 100, wherein the battery 100 is respectively electrically connected with the fan 2, the purification device, the control unit and the pressure regulating valve 6, so that a backup power supply is provided for the purification system when the indoor power failure occurs, and the normal operation of the purification system is ensured. The battery 100 includes at least one of: dry cells, lead storage batteries, and lithium batteries.

Claims (8)

1. Indoor air supply pressurized air clean system, including intake pipe, fan and the first exhaust pipe that connects gradually, first exhaust pipe and indoor intercommunication, its characterized in that:
the air inlet pipe is communicated with outdoor air, and the fan introduces the outdoor air into a closed room through the air inlet pipe, so that the indoor air pressure is greater than the outdoor air pressure;
the indoor air supply pressurized air purification system further comprises:
the first filtering device is connected to one end of the air inlet pipe;
a purification device connected between the fan and the first exhaust pipe;
and the second filtering device is connected to one end of the first exhaust pipe.
2. The indoor air supply pressurized air purification system according to claim 1, characterized in that:
the purification apparatus includes at least one of: an active carbon filtering device, an ultraviolet disinfection device and an anion generator.
3. The indoor air supply pressurized air purification system according to claim 2, characterized in that:
the purification device also comprises a heating device, and the heating device intermittently heats the activated carbon particles in the activated carbon filtering device.
4. An indoor supply air pressurized air purification system according to any one of claims 1 to 3, characterized in that:
the first filtering device and the second filtering device both comprise filter screens, and the mesh number of the filter screen of the second filtering device is larger than that of the filter screen of the first filtering device.
5. An indoor supply air pressurized air purification system according to any one of claims 1 to 3, characterized in that:
indoor air supply pressurized air clean system still includes control unit, baroceptor and second blast pipe, the second blast pipe is to outdoor exhaust, be equipped with pressure regulating valve on the second blast pipe, control unit respectively with baroceptor with the pressure regulating valve electricity is connected, baroceptor is used for detecting indoor atmospheric pressure and send to control unit works as when indoor atmospheric pressure more than or equal to predetermines indoor atmospheric pressure, the control unit control opening of pressure regulating valve.
6. The indoor air supply pressurized air purification system according to claim 5, characterized in that:
the displacement of the first exhaust pipe is larger than that of the second exhaust pipe.
7. An indoor supply air pressurized air purification system according to any one of claims 1 to 3, characterized in that:
the indoor air supply and pressurized air purification system further comprises a battery, and the battery is electrically connected with the fan and the purification device respectively.
8. The indoor air supply pressurized air purification system according to claim 7, characterized in that:
the battery includes at least one of: dry cells, lead storage batteries, and lithium batteries.
CN202010196345.4A 2020-03-19 2020-03-19 Indoor air supply and pressurization air purification system Pending CN111256212A (en)

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Citations (12)

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KR200361462Y1 (en) * 2004-06-09 2004-09-14 하용삼 Apparatus for purifying indoor air
CN102748809A (en) * 2012-04-26 2012-10-24 镇江市金舟船舶设备有限公司 Intelligent split-type air treatment system
CN204901947U (en) * 2015-02-02 2015-12-23 李志文 Two air -purifying purifier of indoor and outdoor air
CN205351563U (en) * 2016-02-01 2016-06-29 北京卡林新能源技术有限公司 New trend purifies integrative device
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