WO2014011063A1 - An air treatment unit and a system of air treatment units - Google Patents

An air treatment unit and a system of air treatment units Download PDF

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Publication number
WO2014011063A1
WO2014011063A1 PCT/PL2013/000088 PL2013000088W WO2014011063A1 WO 2014011063 A1 WO2014011063 A1 WO 2014011063A1 PL 2013000088 W PL2013000088 W PL 2013000088W WO 2014011063 A1 WO2014011063 A1 WO 2014011063A1
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WO
WIPO (PCT)
Prior art keywords
air
unit
unit according
units
air treatment
Prior art date
Application number
PCT/PL2013/000088
Other languages
French (fr)
Inventor
Bogdan ŚLIWINSKI
Original Assignee
Sliwinski Bogdan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sliwinski Bogdan filed Critical Sliwinski Bogdan
Publication of WO2014011063A1 publication Critical patent/WO2014011063A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F3/02—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 pressure or velocity of the primary air
    • 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
    • F24F8/40—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying 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
    • F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
    • 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
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • 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

Definitions

  • the present invention relates to an air treatment unit for use at intakes inside objects or at outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems having an air intake and air outlet and a guard with a through opening as well as an air circulation device and an air treatment arrangement.
  • the invention also relates to a system of such air treatment units.
  • patent descriptions PL 200337 or PL 204491 disclose ventilation grates used at outlets or intakes of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems.
  • the grates have an air intake and an air outlet and a guard with a through opening. They facilitate air exchange, while masking duct intakes and outlets, and sometimes they enable the controlling of the airflow direction and volume.
  • the function of these devices is not the treatment of air delivered to rooms through the ductwork.
  • WO 2007086726 discloses an auxiliary device for the treatment of air delivered through ventilation ductwork, being part of an air treatment unit, e.g.an air refreshing or an air filtering system.
  • the device is designed for mounting inside the ductwork.
  • patent application no. WO 2011/085726 A2 discloses a device for supplying the air to clean rooms, having an air intake and an air outlet, and equipped with a filter and a ventilation fan.
  • the aim of the invention is to create an air treatment unit facilitating the treatment of air delivered to a room, particularly by removing toxins or contaminants that can get through ventilation ducts or can be deposited in them as well as the treatment of air delivered to these ducts, which at the same time would prevent the ductwork from building up excessive pressure caused by installation of filters, which could damage the duct by main- taining a specified pressure inside the duct, while ensuring easy operation, exchange of consumables, particularly filters, maintenance or replacement of the unit.
  • the essence of the air treatment unit according to the invention for use at intakes inside objects or outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, having an air intake and air outlet and a guard with a through opening as well as an air circulation device and an air treatment arrangement, is that it is equipped with a sensor or a set of sensors of pressure of the air flowing through the duct and/or a duct airflow sensor and said sensor or a set of sensors being connected to the control unit of an air circulation device.
  • a sensor or a set of sensors and a control system are placed within an air treatment unit. Possibly a sensor or at least one sensor of the set of sensors is a sensor of pressure of the air flowing through the unit or a sensor of airflow through the unit.
  • a sensor or a set of sensors, and possibly a control system are outside the unit and are wired to it or connected wireless.
  • a ventilation fan is an air circulation device.
  • an air treatment arrangement comprises a nanotechnology filter and/or a H EP A filter, and/or a photo catalytic filter, and/or a filter with use of metal particles, and/or mineral particles, and/or a mechanical filter, and/or a plasma filter, and/or an absorption filter, and/or an electrostatic filter, and/or a bio-filter, and/or an air ionizer, and/or an bacteria killing UV lamp, and/or an air conditioning system, and/or an air drying system, and/or an air humidifying system, and/or a water filter containing water or another liquid, whereby these elements can be single, multi-stage or multi-layered.
  • the system may comprise any of the aforementioned elements individually or a combination of the same or different elements.
  • the system has a form of an integrated replaceable module or a set of integrated replaceable modules, situated on one or both sides of the fan.
  • an air treatment unit is additionally equipped with a wear sensor or set of wear sensors for filters and/or other elements influencing the quality of air treatment, preferably integrated with a wear indicator, preferably a light indicator.
  • an air treatment unit is equipped with a control panel, optionally remote controlled, preferably with a unit operation data display and/or a programmer.
  • a control panel optionally remote controlled, preferably with a unit operation data display and/or a programmer.
  • Such panel may be also installed outside the housing of the unit.
  • the air treatment unit is optionally equipped with an airflow vane, optionally regulated or a system of vanes directing the air stream to the unit's air intake.
  • Airflow vanes may be integrated with the air treatment unit or be a detachable or a separate element of the unit intended for installation in the element of the duct preceding or located directly at the air treatment unit. Proper directing of the air stream with the vanes, and thus increasing the pressure of the air directly before its inflow to the air treatment unit may eliminate the necessity of using the fan or decrease the use of energy by it.
  • an air treatment unit is also equipped with an air contamination sensor connected with a warning signal in form of an indicator of occurrence and/or magnitude and/or type of air contamination, preferably a light indicator and/or a sound indicator and/or is connected with a transmitter transmitting the data from the sensor.
  • an air treatment unit is also equipped with a receiver of signals from a device coordinating operation of the units in the system.
  • an air treatment unit is also equipped with an air ozoniser and/or aromatherapy dispenser and/or fragrance dispenser, preferably integrated with the control system, preferably remote controlled and/or equipped with a timer controller.
  • an air treatment unit is equipped with elements controlling the airflow volume and/or the airflow speed and/or the air jet direction, preferably with a unit controlling the efficiency of an air circulation device and/or adjustable airflow vanes.
  • the invention also relates to a system of described air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, the essence of which is that the units are connected with a device coordinating the operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
  • the invention also relates to a system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the described air treatment units, the essence of which is that the units use a common sensor or set of sensors and/or a common control unit.
  • the invention also relates to a system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the described air treatment unit and at least one other air treatment unit, the essence of which is that the units are teamed, and the unit controlling the operation of the air circulation device of the described air treatment unit at the same time controls the operation of an air circulation device of this at least one other air treatment unit.
  • the units constituting such a system are connected with a device coordinating operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
  • the air treatment unit according to the invention used at the outlet of a ventilation duct, airing duct, air conditioning duct or a central heating ventilation system, enables substantially increased safety level of the air pumped into a room, and thus provides increased breathing comfort in the room and/or safety of collections without the need for reconstruction of the air intake and or the air conditioning system in the building, and without the need for increasing the pressure of air forced through the ducts to overcome resistance created by the filters, which would cause an in- crease of energy expenditure for producing an increased pressure in the venting duct, and or could give a risk of perforation to the ventilation ducts.
  • a pressure sensor and/or a duct airflow sensor connected with the unit controlling the operation of the air circulation device, particularly a fan, ensure accommodation of the unit's operation to the pressure values and/or the airflow parameters inside the duct, and consequently, maintaining in the duct a specified pressure range, so that on the one hand, an airflow is ensured, and on the other hand, prevented is a high pressure threatening a damage to the ventilation ducts and/or high energy losses for overcoming resistance of the filters installed at the outlets.
  • the air treatment unit according to this invention used at the air intake inside objects, facilitates a preliminary treatment of the air sucked into the duct, and thus protects the rooms in the building and the duct from contaminations from the outside.
  • the sensor or set of sensors of pressure or airflow inside the duct and/or in the unit connected with the unit controlling the air circulation device, particularly a fan prevents a situation where excessive air delivery would cause a dangerous pressure increase threatening a damage to the ventilation ducts and/or a set of filters.
  • the described air treatment unit it is possible to connect one and preferably more other, e.g. conventional air treatment units having an air intake and an air outlet and a guard with a through opening and an airflow and an air circulation device as well as an air treatment arrangement, constituting a system in which the unit controlling the operation of an air circulation device in the unit according to this invention at the same time controls the operation of those other air circulation devices of those other air treatment units. It allows the costs of such a system to be lowered in comparison to a system composed only of units according to this invention, as in this arrangement those other air treatment units make an indirect use of the control system and sensors of the unit according to the invention.
  • conventional air treatment units having an air intake and an air outlet and a guard with a through opening and an airflow and an air circulation device as well as an air treatment arrangement
  • individual air treatment units can be connected to a central system coordinating the operation of units in the system in the object or operation of units in whole complex served by air intake ducts and/or in selected segments of the ductwork or in individual rooms.
  • the air treatment unit according to the invention can be used in various objects i.e. in buildings and objects of other types furnished with ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, such as cars, coaches, buses, train wagons, airplanes and helicopters, yachts, passenger ships and other vessels.
  • the air treatment unit according to the invention serves altogether at least two specific functions i.e. enforces an airflow through the air treatment unit, in particular cleaning the flowing air of toxins and/or dust contaminations, microbiological and/or chemical contaminations that can be deposited and/or can get through the air intake ducts, and relieves the ductwork by mamtaining a specific pressure level inside the duct from building up an excessive pressure caused by installation of filters that can damage the ductwork and/or can cause an increase of energy expenditure for creating an increased pressure in the duct.
  • the air treatment unit according to the invention limits a risk of spreading air contaminations caused incidentally, purposefully or arising in result of accumulation and deposits of air contaminants in the ductwork.
  • the use of the present invention improves breathing for people suffering from inhalant allergies, asthma or other respiratory ailments for which it is advisable to clean the air of harmful or onerous substances.
  • the air treatment unit according to the invention also facilitates simple operation, with simplified replacement of the unit's consumables, particularly periodically replaced filters, without the need for disassembling the ductwork.
  • FIG. 1 shows a front view of the air treatment unit according to the invention
  • Fig. 2 - a cross section of the air treatment unit according to the invention, mounted at the outlet of the ventilation duct, parallel to the duct direction in the first embodiment
  • Fig. 3 - a cross section of the air treatment unit according to the invention, in the second embodiment, mounted at the outlet of the ventilation duct perpendicularly to the duct direction, shown with a set of airflow vanes.
  • Figures 1 , 2 and 3 show the air treatment unit with an air circulation device and an air treatment arrangement, equipped with sensor 13 for pressure inside the duct, connected to unit 14 controlling the air circulation device.
  • the air treatment unit comprises guard i with a through opening covered with outlet grate 2 and housing 3, and additionally an air circulation device in form of fan 5 and an air treatment arrangement composed of filters 4, 6 and 7 as well as UV lamp 8 and air treatment unit 9, and optionally an air temperature control system and intake grate 10.
  • the device is equipped with sensor 13 for pressure inside the duct, connected with unit 14 controlling the operation of the air circulation device.
  • Fig 2 and 3 the above elements are shown and also ventilation duct ⁇ is marked.
  • Fig. 3 shows the air treatment unit in the second embodiment, additionally equipped with airflow vanes 12. The arrows in Fig. 1 and Fig. 2 indicate the airflow direction.

Abstract

The present invention relates to an air treatment unit for use at intakes inside objects or at outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, having an air intake and air outlet and a guard (I) with a through opening as well as an air circulation device and an air treatment arrangement, characteristic in that it is equipped with a sensor (13) or a set of sensors of pressure and/or airflow inside the duct and/or in the air treatment unit, wherein this sensor or a set of sensors is connected with unit (14) controlling the operation of the air circulation device. There has been created the air treatment unit enforcing the airflow through the air treatment arrangement, cleaning in particular the flowing air of toxins and/or contaminants and protecting the ductwork by maintaining a specified pressure level in the duct from energy losses for overcoming the resistance of the filters mounted at the outlets and/or from building up excessive pressure caused by the installed filters, which may cause a damage to the ductwork.

Description

An air treatment unit and a system of air treatment units
The present invention relates to an air treatment unit for use at intakes inside objects or at outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems having an air intake and air outlet and a guard with a through opening as well as an air circulation device and an air treatment arrangement. The invention also relates to a system of such air treatment units.
For example, patent descriptions PL 200337 or PL 204491 disclose ventilation grates used at outlets or intakes of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems. The grates have an air intake and an air outlet and a guard with a through opening. They facilitate air exchange, while masking duct intakes and outlets, and sometimes they enable the controlling of the airflow direction and volume. However, the function of these devices is not the treatment of air delivered to rooms through the ductwork.
International Patent Application Publication WO 2007086726 discloses an auxiliary device for the treatment of air delivered through ventilation ductwork, being part of an air treatment unit, e.g.an air refreshing or an air filtering system. The device is designed for mounting inside the ductwork.
For example, patent application no. WO 2011/085726 A2 discloses a device for supplying the air to clean rooms, having an air intake and an air outlet, and equipped with a filter and a ventilation fan.
The aim of the invention is to create an air treatment unit facilitating the treatment of air delivered to a room, particularly by removing toxins or contaminants that can get through ventilation ducts or can be deposited in them as well as the treatment of air delivered to these ducts, which at the same time would prevent the ductwork from building up excessive pressure caused by installation of filters, which could damage the duct by main- taining a specified pressure inside the duct, while ensuring easy operation, exchange of consumables, particularly filters, maintenance or replacement of the unit.
The essence of the air treatment unit according to the invention for use at intakes inside objects or outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, having an air intake and air outlet and a guard with a through opening as well as an air circulation device and an air treatment arrangement, is that it is equipped with a sensor or a set of sensors of pressure of the air flowing through the duct and/or a duct airflow sensor and said sensor or a set of sensors being connected to the control unit of an air circulation device.
A sensor or a set of sensors and a control system are placed within an air treatment unit. Possibly a sensor or at least one sensor of the set of sensors is a sensor of pressure of the air flowing through the unit or a sensor of airflow through the unit.
Possibly a sensor or a set of sensors, and possibly a control system, are outside the unit and are wired to it or connected wireless.
Preferably a ventilation fan is an air circulation device.
Preferably an air treatment arrangement comprises a nanotechnology filter and/or a H EP A filter, and/or a photo catalytic filter, and/or a filter with use of metal particles, and/or mineral particles, and/or a mechanical filter, and/or a plasma filter, and/or an absorption filter, and/or an electrostatic filter, and/or a bio-filter, and/or an air ionizer, and/or an bacteria killing UV lamp, and/or an air conditioning system, and/or an air drying system, and/or an air humidifying system, and/or a water filter containing water or another liquid, whereby these elements can be single, multi-stage or multi-layered. The system may comprise any of the aforementioned elements individually or a combination of the same or different elements.
Preferably the system has a form of an integrated replaceable module or a set of integrated replaceable modules, situated on one or both sides of the fan.
Preferably an air treatment unit is additionally equipped with a wear sensor or set of wear sensors for filters and/or other elements influencing the quality of air treatment, preferably integrated with a wear indicator, preferably a light indicator.
Preferably an air treatment unit is equipped with a control panel, optionally remote controlled, preferably with a unit operation data display and/or a programmer. Such panel may be also installed outside the housing of the unit.
The air treatment unit is optionally equipped with an airflow vane, optionally regulated or a system of vanes directing the air stream to the unit's air intake. Airflow vanes may be integrated with the air treatment unit or be a detachable or a separate element of the unit intended for installation in the element of the duct preceding or located directly at the air treatment unit. Proper directing of the air stream with the vanes, and thus increasing the pressure of the air directly before its inflow to the air treatment unit may eliminate the necessity of using the fan or decrease the use of energy by it.
Preferably the operation of the airflow vanes is controlled by a controlling unit. Preferably an air treatment unit is also equipped with an air contamination sensor connected with a warning signal in form of an indicator of occurrence and/or magnitude and/or type of air contamination, preferably a light indicator and/or a sound indicator and/or is connected with a transmitter transmitting the data from the sensor.
Preferably an air treatment unit is also equipped with a receiver of signals from a device coordinating operation of the units in the system.
Preferably an air treatment unit is also equipped with an air ozoniser and/or aromatherapy dispenser and/or fragrance dispenser, preferably integrated with the control system, preferably remote controlled and/or equipped with a timer controller.
Preferably an air treatment unit is equipped with elements controlling the airflow volume and/or the airflow speed and/or the air jet direction, preferably with a unit controlling the efficiency of an air circulation device and/or adjustable airflow vanes.
The invention also relates to a system of described air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, the essence of which is that the units are connected with a device coordinating the operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
The invention also relates to a system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the described air treatment units, the essence of which is that the units use a common sensor or set of sensors and/or a common control unit.
The invention also relates to a system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the described air treatment unit and at least one other air treatment unit, the essence of which is that the units are teamed, and the unit controlling the operation of the air circulation device of the described air treatment unit at the same time controls the operation of an air circulation device of this at least one other air treatment unit. Preferably the units constituting such a system are connected with a device coordinating operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
The air treatment unit according to the invention, used at the outlet of a ventilation duct, airing duct, air conditioning duct or a central heating ventilation system, enables substantially increased safety level of the air pumped into a room, and thus provides increased breathing comfort in the room and/or safety of collections without the need for reconstruction of the air intake and or the air conditioning system in the building, and without the need for increasing the pressure of air forced through the ducts to overcome resistance created by the filters, which would cause an in- crease of energy expenditure for producing an increased pressure in the venting duct, and or could give a risk of perforation to the ventilation ducts. A pressure sensor and/or a duct airflow sensor connected with the unit controlling the operation of the air circulation device, particularly a fan, ensure accommodation of the unit's operation to the pressure values and/or the airflow parameters inside the duct, and consequently, maintaining in the duct a specified pressure range, so that on the one hand, an airflow is ensured, and on the other hand, prevented is a high pressure threatening a damage to the ventilation ducts and/or high energy losses for overcoming resistance of the filters installed at the outlets.
The air treatment unit according to this invention, used at the air intake inside objects, facilitates a preliminary treatment of the air sucked into the duct, and thus protects the rooms in the building and the duct from contaminations from the outside. At the same time the sensor or set of sensors of pressure or airflow inside the duct and/or in the unit connected with the unit controlling the air circulation device, particularly a fan, prevents a situation where excessive air delivery would cause a dangerous pressure increase threatening a damage to the ventilation ducts and/or a set of filters.
The most favourable results are obtained by the use of a system of air treatment units comprising the described air treatment unit at each duct intake inside a building and at each duct outlet. In case such a unit is employed the air is subject to treatment immediately before getting to a room. Additionally, the air sucked to the ductwork from the rooms is also subject to treatment.
Pressure sensor(s) and/or sensor(s) of airflow connected to the unit controlling the air circulation device, particularly a fan, facilitate(s) coordination of the units' operation in the system.
It is also possible to share the sensor or set of sensors and possibly a control unit placed outside the unit and wired to it or connected wireless by a few units.
To the described air treatment unit it is possible to connect one and preferably more other, e.g. conventional air treatment units having an air intake and an air outlet and a guard with a through opening and an airflow and an air circulation device as well as an air treatment arrangement, constituting a system in which the unit controlling the operation of an air circulation device in the unit according to this invention at the same time controls the operation of those other air circulation devices of those other air treatment units. It allows the costs of such a system to be lowered in comparison to a system composed only of units according to this invention, as in this arrangement those other air treatment units make an indirect use of the control system and sensors of the unit according to the invention.
In case more accurate coordination of the operation of air treatment units is needed or the system is more complex, individual air treatment units can be connected to a central system coordinating the operation of units in the system in the object or operation of units in whole complex served by air intake ducts and/or in selected segments of the ductwork or in individual rooms.
The air treatment unit according to the invention can be used in various objects i.e. in buildings and objects of other types furnished with ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, such as cars, coaches, buses, train wagons, airplanes and helicopters, yachts, passenger ships and other vessels.
The air treatment unit according to the invention serves altogether at least two specific functions i.e. enforces an airflow through the air treatment unit, in particular cleaning the flowing air of toxins and/or dust contaminations, microbiological and/or chemical contaminations that can be deposited and/or can get through the air intake ducts, and relieves the ductwork by mamtaining a specific pressure level inside the duct from building up an excessive pressure caused by installation of filters that can damage the ductwork and/or can cause an increase of energy expenditure for creating an increased pressure in the duct.
The air treatment unit according to the invention limits a risk of spreading air contaminations caused incidentally, purposefully or arising in result of accumulation and deposits of air contaminants in the ductwork. The use of the present invention improves breathing for people suffering from inhalant allergies, asthma or other respiratory ailments for which it is advisable to clean the air of harmful or onerous substances.
The air treatment unit according to the invention also facilitates simple operation, with simplified replacement of the unit's consumables, particularly periodically replaced filters, without the need for disassembling the ductwork.
The subject of the invention is shown in the exemplary embodiment in the drawing, in which Fig. 1 shows a front view of the air treatment unit according to the invention, Fig. 2 - a cross section of the air treatment unit according to the invention, mounted at the outlet of the ventilation duct, parallel to the duct direction in the first embodiment, and Fig. 3 - a cross section of the air treatment unit according to the invention, in the second embodiment, mounted at the outlet of the ventilation duct perpendicularly to the duct direction, shown with a set of airflow vanes.
Figures 1 , 2 and 3 show the air treatment unit with an air circulation device and an air treatment arrangement, equipped with sensor 13 for pressure inside the duct, connected to unit 14 controlling the air circulation device. The air treatment unit comprises guard i with a through opening covered with outlet grate 2 and housing 3, and additionally an air circulation device in form of fan 5 and an air treatment arrangement composed of filters 4, 6 and 7 as well as UV lamp 8 and air treatment unit 9, and optionally an air temperature control system and intake grate 10. The device is equipped with sensor 13 for pressure inside the duct, connected with unit 14 controlling the operation of the air circulation device. In Fig 2 and 3 the above elements are shown and also ventilation duct ϋ is marked. Fig. 3 shows the air treatment unit in the second embodiment, additionally equipped with airflow vanes 12. The arrows in Fig. 1 and Fig. 2 indicate the airflow direction.

Claims

Patent claims
1. An air treatment unit for use at intakes inside objects or outlets of ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems having an air intake and air outlet and a guard with a through opening as well as an air circulation device and an air treatment arrangement, characterized in that it is equipped with a sensor (13) of pressure of the air flowing through the duct and/or a duct airflow, whereby the sensor or set of sensors is connected with unit (14) controlling the air circulation device.
2. The unit, according to claim 1, characterized in that, sensor (13) or set of sensors and control unit (14) are placed inside the unit.
3. The unit, according to claims 1-2, characterized in that, at least one sensor (13) is a sensor of pressure of the air flowing through the unit or a sensor of airflow through the unit.
4. The unit, according to claim 1, characterized in that sensor (13) or set of sensors and optionally control unit (14) are placed outside the unit and are wired to it or connected wireless.
5. The unit according to claims 1-4, characterized in that the air circulation device is fan (5).
6. The unit according to claims 1-5, characterized in that the air treatment arrangement comprises a filter (4^ 6^ 7) being a nanotechnology filter and/or a HEPA filter, and/or a photo catalytic filter, and/or a filter with use of metal particles and/or mineral par- tides and/or a mechanical filter, and/or a plasma filter, and/or an absorption filter, and/or an electrostatic filter, and/or a bio-filter, and/or an air ioniser, and/or bacteria killing UV lamp (8), and/or an air conditioning system, and/or an air drying system, and/or an air humidifying system, and/or a water filter containing water or another liquid, whereby these elements can be single, multi-stage or multi-layered.
7. The unit according to claims 1-6, characterized in that the air treatment arrangement has a form of an integrated replaceable module or a set of integrated replaceable modules.
8. The unit according to claims 1-7, characterized in that it is equipped with a wear sensor or set of wear sensors for filters and/or other elements influencing the quality of air treatment preferably integrated with a wear indicator, preferably a light indicator.
9. The unit according to claims 1-8, characterized in that it is equipped with a control panel, optionally remote controlled, preferably with a unit operation data display and/or a programmer.
10. The unit according to claim 9, characterized in that the control panel is placed inside the housing of the unit.
1 1. The unit according to claim 9, characterized in that the control panel is placed outside the housing of the unit.
12. The unit according to claims 1-11, characterized in that it is equipped with an airflow vane or a system of vanes (12) directing the air stream to the unit's air intake.
13. The unit according to claim 12, characterized in that the airflow vane or the system of vanes (12) is integrated.
14. The unit according to claim 12, characterized in that the airflow vane or the system of vanes (12) is detachable or separate element of the unit intended for installa- tion in the element of the duct preceding or located directly at the air treatment unit.
15. The unit according to claims 11-14, characterized in that the airflow vane or the system of vanes (12) is connected with unit Q4) controlling its operation.
16. The unit according to claims 1-15, characterized in that it is equipped with an air contamination sensor and/or set of air contamination sensors, connected with a warning signal in form of an indicator of occurrence and/or magnitude and/or type of air contamination, preferably a light indicator and/or a sound indicator.
17. The unit according to claim 16, characterized in that the sensor and/or the set of sensors is connected with a transmitter transmitting the data from the sensor.
18. The unit according to claims 1-17, characterized in that it is equipped with a receiver of signals from device coordinating the unit's operation in the system.
19. The unit according to claims 1-18, characterized in that it is equipped with an air ozoniser.
20. The unit according to claims 1-19, characterized in that it is equipped with an aromatherapy dispenser.
21. The unit according to claims 1-20, characterized in that it is equipped with a fragrance dispenser.
22. The unit according to claims 19-21, characterized in that the air ozoniser and/or aromatherapy dispenser and/or fragrance dispenser is integrated with the control system, preferably remote controlled.
23. The unit according to claim 22, characterized in that the control unit is equipped with a timer controller.
24. The unit according to claims 1-23, characterized in that it is equipped with elements controlling the airflow volume and/or the airflow speed and/or the air jet direc¬ tion.
25. The unit according to claim 24, characterized in that the control elements constitute a unit controlling the efficiency of the air circulation device and/or the adjustable airflow vanes.
26. A system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the units defined in claims 1 to 25, characterized in that the units are connected with a device coordinating operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
27. A system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the units defined in claims 1 to 25, characterized in that the units use common sensor (13) or set of sensors and/or common control unit (14).
28. A system of air treatment units for ventilation ducts, airing ducts, air conditioning ducts or central heating ventilation systems, comprising the unit defined in claims 1 to 25 and at least one other air treatment unit, characterized in that these units are teamed, while unit (14) controlling the operation of the air circulation device of the unit defined in claims 1 to 25, at the same time controls the operation of the air circulation device of this at least one other air treatment unit.
29. The system according to claim 28, characterized in that the units are connected with a device coordinating the operation of the units in the system and controlling the airflow through the ductwork and the interconnected units.
PCT/PL2013/000088 2012-07-12 2013-07-04 An air treatment unit and a system of air treatment units WO2014011063A1 (en)

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PLP.399933 2012-07-12
PL399933A PL399933A1 (en) 2012-07-12 2012-07-12 Air treatment unit and air treatment unit system

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CN109282383A (en) * 2018-08-29 2019-01-29 嘉兴美斯克电气科技有限公司 A kind of air purifier of detachable strainer
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