EP3237808B1 - Anordnung und verfahren zur luftregelung eines raumes - Google Patents
Anordnung und verfahren zur luftregelung eines raumes Download PDFInfo
- Publication number
- EP3237808B1 EP3237808B1 EP15816187.7A EP15816187A EP3237808B1 EP 3237808 B1 EP3237808 B1 EP 3237808B1 EP 15816187 A EP15816187 A EP 15816187A EP 3237808 B1 EP3237808 B1 EP 3237808B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- room
- air
- ventilating means
- air purifier
- air quality
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000000034 method Methods 0.000 title claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 62
- 239000001569 carbon dioxide Substances 0.000 claims description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 239000003344 environmental pollutant Substances 0.000 claims description 18
- 231100000719 pollutant Toxicity 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 27
- 238000009423 ventilation Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 6
- 238000004887 air purification Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- 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
-
- 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
- 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
-
- 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
-
- 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
- F24F8/80—Self-contained air purifiers
-
- 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
-
- 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
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
-
- 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
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
Definitions
- the invention relates to an arrangement and a method for air management of a room.
- Air pollutants can be one or more of particle pollutants, gas pollutants and microorganisms.
- HVAC Heating, Ventilation and Air Conditioning system
- HVAC systems are not capable of performing filtration of all particles to a sufficient extent, wherein the systems are particularly not effective in removing relatively small particles from the input air.
- HVAC systems are not capable of removing various gas pollutants such as formaldehyde and other VOCs (volatile organic compounds) from the indoor air, because the filters used in those systems are not suitable for doing so.
- Another shortcoming of HVAC systems is that the systems consume a lot of energy, especially when the systems are continually switched on for maintaining the air quality, which is often the case in practice.
- Stand-alone air purifiers In the field of managing quality of indoor air, in order to complement the shortcomings of HVAC systems, stand-alone air purifiers have been developed.
- An example of such an air purifier is known from WO 2012/066453 A1 .
- Stand-alone air purifiers are to be placed inside a room and are very useful to people living in highly polluted cities, as they help a great deal in removing various kinds of pollution from indoor air. Operation of a stand-alone air purifier requires considerably less power than operation of a HVAC system.
- a stand-alone air purifier is capable of removing both large particles and small particles from the air, due to the fact that the fan which is part of the air purifier and which serves for forcing air to flow through the air purifier is powerful enough to enable the application of a high efficiency filter in the air purifier.
- Another advantage of the stand-alone air purifier resides in the fact that the air purifier can be used for removing indoor gas pollutants.
- a stand-alone air purifier is not capable of removing carbon dioxide from air. Therefore, a room in which such an air purifier is present needs to be ventilated, at least from time to time. In general, assuming that the room has windows, ventilation can be realized by opening a window, but this may worsen the indoor air quality if the outdoor quality is very bad. It cannot be left up to a user to determine the right time to open the window and to determine an appropriate duration of the ventilation action.
- JPH11201511 It is known from JPH11201511 to provide an air cleaning system comprising a a blower for circulating and filtering air in a room and a ventilator for introducing outside air into the room.
- the ventilator is activated to introduce outside air into the room when a gas detector detects that the gas level in the room has exceeded a prescribed reference range.
- an arrangement for air management of a room which comprises ventilating means for enabling exchange of air between the inside environment of the room and the outside environment of the room; a stand-alone air purifier, which is arranged separately from the ventilating means, and which is adapted to remove pollutants from the air in the inside environment of the room; and a control system, which is in communication with both the ventilating means and the air purifier, and which is adapted to control operation of the ventilating means and the air purifier in dependence of air quality data relating to the inside environment of the room and the outside environment of the room, the control system being configured to control the ventilating means and the air purifier differently depending on whether the air quality data relating to the outside environment of the room is above or below a predetermined reference.
- the control system is adapted to process air quality data relating to both the inside environment of the room
- indications like “inside environment” and “indoor” should be understood such as to be related to the air which is present inside the room
- indications like “outside environment” and “outdoor” should be understood such as to be related to the air which is present outside the room and which can be let in to the room by means of the ventilating means, which in most cases is air from the open air which is present outside the building of which the room is part.
- the invention provides a way of avoiding a situation in which the carbon dioxide level in the room can become dangerously high as a result of long term operation of the stand-alone air purifier, avoiding a situation in which energy is wasted, and avoiding a situation in which air cleaning only takes place at a low rate.
- the arrangement according to the invention comprises three main components, namely ventilating means, a stand-alone air purifier and a control system.
- the ventilating means may comprise a bi-directional fan, a set of fans, wherein one fan serves for discharging air from the room and another fan serves for supplying air to the room, automatically controlled windows or any other mechanical structure which may have a function in exchanging air between the inside environment of the room and the outside environment of the room, for discharging dirty air from the room and introducing fresh air to the room.
- the main function of the stand-alone air purifier is cleaning dirty indoor air.
- the air purifier may be adapted to remove at least one of gas pollutants and particle pollutants from the indoor air. Ideally, the air flow of at least one of the ventilating means and the air purifier can be adjusted.
- Control of the ventilating means and the air purifier includes determining when the ventilating means and the air purifier should be switched on and off, and may also include setting a rate of the air flow, for example.
- the control system is adapted to use both air quality data relating to at least one of the inside environment of the room and the outside environment of the room.
- the air quality data may be collected from suitable sensing means and/or a general data source, wherein the latter is especially applicable to air quality data relating to the outside environment of the room.
- the data may be obtained through a data collector, which may be a sensor situated at any appropriate position inside the room and/or a website data collector.
- a suitable controller may be applied, which is situated on or near the ventilating means, wherein the controller is arranged to receive information from a sensor situated on or near the ventilating means for detecting carbon dioxide, particles or gas pollutants, and also from a data collector which is adapted to collect data from an official website regarding actual outdoor air quality. Communication between the controller and at least one of the ventilating means and the air purifier may take place in a wireless fashion.
- a suitable controller is a controller which is adapted to follow certain algorithms which are aimed at realizing operation of the ventilating means and the air purifier in such a way that the indoor air quality is always at its best under the given circumstances and waste of energy is avoided.
- control system it is preferred for the control system to be capable to automatically run a program.
- the invention also covers a situation in which the operation of the control system can be set by a user, i.e. a situation in which the arrangement according to the invention comprises a user interface and in which a user can determine the status of the ventilating means and the air purifier through the user interface, assuming that the user does not take arbitrary action, but takes into account actual aspects of the air quality, indoor and/or outdoor.
- the most practical option of having automatic air management of a room is taken as a starting point.
- the control system may be adapted to compare air quality data relating to the inside environment of the room to predetermined reference data.
- the control system may be adapted to compare an actual level of formaldehyde of the indoor air, as can be detected by means of a suitable sensor, to a maximum allowable level.
- the control system is capable of determining suitable control of the operation of the ventilating means and the air purifier. In case it is found that the indoor air quality is equal to or better than an acceptable standard, there is no need for operating the ventilating means and the air purifier, so that they can be kept in a switched off mode, whereby energy can be saved.
- control system it is advantageous for the control system to be adapted to set an inactive status of both the ventilating means and the air purifier in case it is found that the air quality of the inside environment of the room is equal to or better than the predetermined reference.
- control of the operation of the ventilating means and the air purifier is aimed at improving the indoor air quality.
- control system it is advantageous for the control system to be adapted to run a program for activating at least one of the ventilating means and the air purifier in case it is found that the air quality of the inside environment of the room is worse than the predetermined reference.
- control system is furthermore adapted to compare air quality data relating to the outside environment of the room to predetermined reference data. If the outdoor air quality is good enough, it is no problem to operate either one of the ventilating means and the air purifier. However, if the outdoor air quality is bad, an optimum has to be found in respect of two conflicting requirements, namely the requirement to have clean indoor air and the requirement to prevent the carbon dioxide level of the indoor air from rising to an unacceptable value.
- the control system is adapted to alternate an active status of the ventilating means with an active status of the air purifier in case it is found that the air quality of the outside environment of the room is equal to or better than a predetermined reference. There is no need for operating the ventilating means and the air purifier at the same time, so that energy may be saved.
- the air purifier is operated, it is achieved that the indoor air quality is improved.
- the ventilating means are operated, carbon dioxide which has accumulated in the room during operation of the air purifier can be discharged from the room. After allowing for exchange between indoor air and outdoor air through the ventilating means, the air purifier may be switched on again.
- the alternating operation of the ventilating means and the air purifier can be repeated over and over again. In the process, it is practical to make a comparison between indoor air quality and outdoor air quality in order to determine whether it is best to operate the ventilating means, or to operate the air purifier.
- control system it is advantageous for the control system to be adapted to make a comparison between air quality data relating to the inside environment of the room and air quality data relating to the outside environment of the room, to set an active status of the ventilating means and an inactive status of the air purifier in case it is found that the air quality of the outside environment of the room is better than the air quality of the inside environment of the room, and to set an inactive status of the ventilating means and an active status of the air purifier in case it is found that the air quality of the outside environment of the room is worse than the air quality of the inside environment of the room.
- control system may be adapted to run a time counter program for controlling the duration of the operation of the ventilating means and the air purifier, respectively.
- the arrangement comprises a user interface for enabling a user to supply the control system with information regarding characteristics of the room, wherein the control system is adapted to determine the duration of the operation of the ventilating means and the air purifier, respectively, on the basis of the information.
- the duration of the operation of the ventilating means and the air purifier, respectively can be chosen such as to be optimal in view of the characteristics of the room, which include the size of the room and the number of people present in the room.
- the arrangement comprises a flow meter for measuring the ventilated air amount, wherein the control system is adapted to stop the operation of the ventilating means as soon as it is found that the ventilated air amount has reached a predetermined reference level. Also in that case, it is advantageous if the arrangement comprises a user interface for enabling a user to supply the control system with information regarding characteristics of the room. The information may then be used by the control system for determining the reference level of the ventilated air amount.
- control system is related to the situation in which a comparison of the outdoor air quality and a predetermined reference shows that the outdoor quality is equal to or better than the reference.
- control system is furthermore adapted to set an inactive status of the ventilating means and an active status of the air purifier in case it is found that the air quality of the outside environment of the room is worse than the predetermined reference. In that way, a situation in which air of bad quality is supplied to the room is avoided, while the air purifier is used for improving the indoor air quality.
- the arrangement comprises sensing means for sensing the carbon dioxide level in the room, and if the control system is adapted to change the inactive status of the ventilating means to an active status as long as it is found that the carbon dioxide level in the room is higher than a predetermined reference. In that way, the room is ventilated to a minimum extent, just enough for keeping the carbon dioxide level in the room at an acceptable value.
- the air quality data relating to the inside environment of the room may comprise at least one of carbon dioxide level data, particles level data and gas pollutants level data
- the air quality data relating to the outside environment of the room may comprise at least one of particles level data and gas pollutants level data.
- Other types of air quality data are also feasible in respect of the indoor air quality and/or the outdoor air quality.
- Air quality data relating to the outside environment of the room may be obtained on the basis of detection, but it is also possible to retrieve such data from a general data source such as the Internet.
- the flow rate of at least one of the ventilating means and the air purifier is adjustable, wherein the control system is adapted to set the flow rate of the at least one of the ventilating means and the air purifier. Consequently, the way in which the arrangement according to the invention realizes/maintains good indoor air quality can be even further optimized.
- the invention relates to both an arrangement for air management of a room and a method for air management of a room.
- the method according to claim 15 can be defined as a method for air management of a room which is equipped with ventilating means for enabling exchange of air between the inside environment of the room and the outside environment of the room, and a stand-alone air purifier, which is arranged separately from the ventilating means, and which is adapted to remove pollutants from the air in the inside environment of the room, wherein operation of the ventilating means and the air purifier are controlled in dependence of air quality data relating to the inside environment of the room and the outside environment of the room, the ventilating means and the air purifier being controlled differently depending on whether air quality data relating to the outside environment of the room is above or below a predetermined reference.
- Fig. 1 diagrammatically shows a room 100 which is equipped with an arrangement 1 for air management of the room 100, comprising a ventilator 10, a stand-alone air purifier 20 and a control system 30.
- the air purifier 20 is situated at an appropriate position in the room 100, and can easily be replaced by a user to another position in the room 100 if so desired.
- the ventilator 10 is installed on the wall 101 of the room 100, and is a bi-directional fan for exhausting dirty air from the inside environment 102 of the room 100 to the outside environment 103 of the room 100 and supplying fresh air from the outside environment 103 of the room 100 to the inside environment 102 of the room 100.
- the exchange of air is diagrammatically depicted by means of a set of two opposite arrows in Fig. 1 .
- the air purifier 20 serves for cleaning dirty air in the inside environment 102 of the room 100.
- the air purifier 20 comprises a fan (not shown) for forcing air to be purified to flow through the air purifier 20 during operation thereof.
- the flow of air to and from the air purifier 20 is diagrammatically depicted by means of bent arrows in Fig. 1 .
- the air purifier 20 is capable of receiving and transmitting data in a wireless fashion, particularly data in respect of operation characteristics.
- Wireless communication between the air purifier 20 and the control system 30 is diagrammatically depicted by means of a dashed double-headed arrow in Fig. 1 .
- the control system 30 is adapted to run a control program which is aimed at having air of the best possible quality in the inside environment 102 of the room 100, in any case having air which meets certain standards.
- the control system 30 comprises a controller 31 and a data collector 32 which may be a sensor which can provide real-time indoor air quality data and/or software which can download daily outdoor air quality data from an official website.
- the sensor may be a carbon dioxide sensor, a particles sensor or a gas pollutants sensor.
- the control program serves for switching the ventilator 10 and the air purifier 20 on and off at appropriate moments, taking into account the air quality data obtained from the data collector 32.
- the controller 31 and the data collector 32 may be integrated into the ventilator 10 as shown in Fig. 1 , but another positioning of the controller 31 and the data collector 32 is also possible, including a positioning on the air purifier 20.
- Figs. 2 and 3 illustrate possible aspects of the control program, wherein Fig. 2 relates to an algorithm which is applicable in case the outdoor air quality is good, and wherein Fig. 3 relates to an algorithm which is applicable in case the outdoor air quality is bad.
- the ventilator 10 and the air purifier 20 are alternately operated, and when the outdoor air quality is bad, the ventilator 10 and the air purifier 20 are first operated simultaneously for a few minutes, after which only the air purifier 20 is operated for putting the indoor air quality to an acceptable level.
- the arrangement 1 is a sensor assisted arrangement.
- a sensor may be placed at either the ventilator 10, the air purifier 20 or another appropriate position in the room 100 for performing timely measurements of the indoor air quality.
- the ventilator 10 and the air purifier 20 will be alternately operated according to the sensor data. It is possible to use both a gas sensor and a particle sensor.
- the arrangement 1 for air management of the room 100 comprises a formaldehyde sensor and a carbon dioxide sensor.
- the formaldehyde sensor is installed on the air purifier 20.
- a reference value e.g. a national standard
- the air purifier 20 is switched on and the ventilator 10 is kept in an inactive status. After the air purifier 20 has been running for a while, the formaldehyde sensor will collect new data. If it is found that the formaldehyde concentration is lower than the reference value, the air purifier 20 will be put to the inactive status and the ventilator 10 will be put to the active status for about three minutes in order to supply fresh air from the outside environment 103 of the room 100 to the inside environment 102 of the room 100.
- the ventilator 10 is switched on for ten minutes, including five minutes of exhaust of air from the inside environment 102 of the room 100 to the outside environment 103 of the room 100, followed by five minutes of supply of fresh air from the outside environment 103 of the room 100 to the inside environment 102 of the room 100.
- the sensor data are interpreted and the air purifier 20 is switched on in order to decrease the formaldehyde concentration.
- the air purifier 20 has been running for a certain time, for example, half an hour to one hour, the operation of the air purifier 20 is stopped and the ventilator 10 is restarted for ten minutes.
- the running time of the ventilator 10 and the air purifier 20 can be adjustable according to both indoor air quality and outdoor air quality.
- the carbon dioxide sensor can be installed on the ventilator 10, and serves for indicating the running time of the ventilator 10 and the air purifier 20.
- a predetermined reference value for example, a value of 1,600 ppm while the air purifier 20 is in the active status
- the operation of the air purifier 20 is stopped and the ventilator 10 is put to the active status in order to have air exchange for a few minutes until the carbon dioxide level is at a lower value, for example, a value of 500 ppm.
- the ventilator 10 is kept in the inactive status.
- the arrangement 1 for air management of the room 100 is a big data assisted arrangement.
- Information about the outdoor air quality can be obtained from an official website by a suitable data collector at any position where the Internet is accessible.
- the data collector could be installed on one of the ventilator 10, the air purifier 20 and the control system 30, or at another appropriate position in the room 100.
- the ventilator 10 will be kept in the inactive status, while the air purifier 20 will be kept in the active status.
- the ventilator 10 After the air purifier 20 has been running for a certain time, for example, one hour or two hours, the ventilator 10 will be put to the active state for a few minutes in order to keep the carbon dioxide concentration at the acceptable level. Subsequently, ventilation will be stopped and the air purifier 20 will be kept in the active status. If the outdoor air quality is good, the ventilator 10 will start air exchange without the air purifier 20 being in the active status as well.
- the arrangement 1 for air management of the room 100 is a time counter assisted arrangement, wherein a time counter program is used to control the duration of ventilation and air purification.
- the time counter program may be used for setting the time interval of alternating ventilation and air purification. For example, ventilation can be performed during five minutes, each time after air purification has taken place during one hour.
- a predetermined relation may be used for determining which duration of ventilation and air purification is appropriate for a certain size of the room 100 and a certain amount of people present in the room 100.
- the air purifier 20 will be switched off and the ventilator 10 will be switched on again, which is advantageous for bringing the carbon dioxide level in the room 100 down, which has become higher and higher in the meantime due to the presence of people in the room 100 and the room 100 being kept closed.
- the arrangement 1 for air management of the room 100 is a flow meter assisted arrangement.
- a flow meter can be used for measuring the ventilated air amount and for assisting the control system 30 in determining the time interval of alternating the operation of the ventilator 10 and the air purifier 20. After the air purifier 20 has continuously been in the active status for one hour, while the room 100 has been kept closed, the ventilator 10 will be put to the active status in order to reduce the carbon dioxide level to an acceptable value.
- the flow meter on the ventilator 10 is used for determining when the ventilation can be stopped, while the flow rate is adjustable according to the room size. In general, it will be practical and sufficient to exchange the air in the inside environment 102 of the room 100 with air from the outside environment 103 of the room 100 once per hour.
- the fact that the flow rate of at least one of the ventilating means and the air purifier may be adjustable, wherein the control system is adapted to set the flow rate of the at least one of the ventilating means and the air purifier, is not only applicable to the main concept of the invention as reflected in claim 1, but may very well be combined with one or more further aspects of the invention. Any reference signs in the claims should not be construed as limiting the scope of the invention.
Claims (15)
- Anordnung (1) zur Luftregelung eines Raumes (100), umfassend:- Ventilationsmittel (10), um einen Luftaustausch zwischen der inneren Umgebung (102) des Raumes (100) und der äußeren Umgebung (103) des Raumes (100) zu ermöglichen;- einen selbstständig arbeitenden Luftreiniger (20), der von den Ventilationsmitteln (10) getrennt angeordnet und so eingerichtet ist, dass er Verunreinigungen aus der Luft in der inneren Umgebung (102) des Raumes (100) entfernt; unddadurch gekennzeichnet, dass sie umfasst:- ein Steuersystem (30, 31, 32), das in Kommunikation mit sowohl den Ventilationsmitteln (10) als auch dem Luftreiniger (20) steht und das so eingerichtet ist, dass es den Betrieb der Ventilationsmittel (10) und des Luftreinigers (20) in Abhängigkeit von Luftqualitätsdaten steuert, die auf die innere Umgebung (102) des Raumes (100) und die äußere Umgebung (103) des Raumes (100) bezogen sind, wobei das Steuersystem (30, 31, 32) so konfiguriert ist, dass es die Ventilationsmittel (10) und den Luftreiniger (20), je nachdem, ob die sich auf die äußere Umgebung (103) des Raumes (100) beziehenden Luftqualitätsdaten oberhalb oder unterhalb einer vorgegebenen Empfehlung liegen, unterschiedlich steuert.
- Anordnung (1) nach Anspruch 1, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es auf die innere Umgebung (102) des Raumes (100) bezogene Luftqualitätsdaten mit vorgegebenen Referenzdaten vergleicht.
- Anordnung (1) nach Anspruch 2, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es einen inaktiven Status von sowohl den Ventilationsmitteln (10) als auch dem Luftreiniger (20) einstellt, im Falle es sich herausstellt, dass die Luftqualität der inneren Umgebung (102) des Raumes (100) gleich oder besser als eine vorgegebene Empfehlung ist.
- Anordnung (1) nach Anspruch 2, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es ein Programm zur Aktivierung von zumindest den Ventilationsmitteln (10) oder dem Luftreiniger (20) ausführt, im Falle festgestellt wird, dass die Luftqualität der inneren Umgebung (102) des Raumes (100) schlechter als eine vorgegebene Empfehlung ist.
- Anordnung (1) nach Anspruch 4, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es auf die äußere Umgebung (103) des Raumes (100) bezogene Luftqualitätsdaten mit vorgegebenen Referenzdaten vergleicht.
- Anordnung (1) nach Anspruch 5, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es einen aktiven Status der Ventilationsmittel (10) im Wechsel mit einem aktiven Status des Luftreinigers (20) anwendet, im Falle ermittelt wird, dass die Luftqualität der äußeren Umgebung (103) des Raumes (100) gleich oder besser als eine vorgegebene Empfehlung ist.
- Anordnung (1) nach Anspruch 6, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es einen Vergleich zwischen der auf die innere Umgebung (102) des Raumes (100) bezogenen Luftqualität und der auf die äußere Umgebung (103) des Raumes (100) bezogenen Luftqualität durchführt, um einen aktiven Status der Ventilationsmittel (10) und einen inaktiven Status des Luftreinigers (20) einzustellen, im Falle ermittelt wird, dass die Luftqualität der äußeren Umgebung (103) des Raumes (100) besser als die Luftqualität der inneren Umgebung (102) des Raumes (100) ist, und um einen inaktiven Status der Ventilationsmittel (10) und einen aktiven Status des Luftreinigers (20) einzustellen, im Falle festgestellt wird, dass die Luftqualität der äußeren Umgebung (103) des Raumes (100) schlechter als die Luftqualität der inneren Umgebung (102) des Raumes (100) ist.
- Anordnung (1) nach Anspruch 6, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es ein Zeitmessungsprogramm zur Steuerung der Dauer des Betriebs der Ventilationsmittel (10) beziehungsweise des Luftreinigers (20) ausführt.
- Anordnung (1) nach Anspruch 8, umfassend eine Bedienoberfläche, um einem Benutzer die Möglichkeit zu geben, dem Steuersystem (30, 31, 32) Informationen bezüglich Charakteristiken des Raumes (100) zuzuführen, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es die Dauer des Betriebs der Ventilationsmittel (10) beziehungsweise des Luftreinigers (20) auf der Grundlage der Informationen ermittelt.
- Anordnung (1) nach Anspruch 6, umfassend einen Strömungsmesser zum Messen der ventilierten Luftmenge, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es den Betrieb der Ventilationsmittel (10) stoppt, sobald ermittelt wird, dass die ventilierte Luftmenge einen vorgegebenen Referenzlevel erreicht hat.
- Anordnung (1) nach Anspruch 5, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es einen inaktiven Status der Ventilationsmittel (10) und einen aktiven Status des Luftreinigers (20) einstellt, im Falle ermittelt wird, dass die Luftqualität der äußeren Umgebung (103) des Raumes (100) schlechter als die vorgegebene Empfehlung ist.
- Anordnung (1) nach Anspruch 11, umfassend Abtastmittel (32), um den Kohlendioxidlevel in dem Raum abzutasten, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es den inaktiven Status der Ventilationsmittel (10) in einen aktiven Status ändert, solange ermittelt wird, dass der Kohlendioxidlevel in dem Raum (100) höher als eine vorgegebene Empfehlung ist.
- Anordnung (1) nach Anspruch 1, wobei die sich auf die innere Umgebung (102) des Raumes (100) beziehenden Luftqualitätsdaten zumindest Kohlendioxidleveldaten, Partikelleveldaten oder Gasverunreinigungsleveldaten umfassen, und wobei die auf die äußere Umgebung (103) des Raumes (100) bezogenen Luftqualitätsdaten zumindest Partikelleveldaten oder Gasverunreinigungsleveldaten umfassen.
- Anordnung (1) nach Anspruch 1, wobei das Steuersystem (30, 31, 32) so eingerichtet ist, dass es auf die äußere Umgebung (103) des Raumes (100) bezogene Luftqualitätsdaten von einer allgemeinen Datenquelle abruft.
- Verfahren zur Luftregelung eines Raumes (100), der mit Ventilationsmitteln (10) zum Ermöglichen eines Luftaustauschs zwischen der inneren Umgebung (102) des Raumes (100) und der äußeren Umgebung (103) des Raumes (100) sowie einem selbstständig arbeitenden Luftreiniger (20) ausgestattet ist, der von den Ventilationsmitteln (10) getrennt angeordnet und so eingerichtet ist, dass er Verunreinigungen aus der Luft in der inneren Umgebung (102) des Raumes (100) entfernt,
dadurch gekennzeichnet, dass
der Betrieb der Ventilationsmittel (10) und des Luftreinigers (20) in Abhängigkeit von Luftqualitätsdaten gesteuert wird, die auf die innere Umgebung (102) des Raumes (100) und die äußere Umgebung (103) des Raumes (100) bezogen sind, wobei die Ventilationsmittel (10) und der Luftreiniger (20), je nachdem, ob die sich auf die äußere Umgebung des Raumes beziehenden Luftqualitätsdaten oberhalb oder unterhalb einer vorgegebenen Empfehlung liegen, unterschiedlich gesteuert werden.
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PCT/EP2015/080898 WO2016102521A1 (en) | 2014-12-24 | 2015-12-22 | Arrangement and method for air management of a room |
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CN107110531A (zh) | 2017-08-29 |
EP3237808A1 (de) | 2017-11-01 |
BR112017013402A2 (pt) | 2018-03-27 |
RU2017125832A3 (de) | 2019-01-24 |
CN114857719A (zh) | 2022-08-05 |
RU2679989C2 (ru) | 2019-02-14 |
PL3237808T3 (pl) | 2019-02-28 |
MX2017008228A (es) | 2017-10-06 |
WO2016102521A1 (en) | 2016-06-30 |
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