EP4305355B1 - Raumgerät für ein hlk-system und verfahren zum datenaustausch zwischen einem mobilen gerät und einem raumgerät oder einem hlk-system - Google Patents

Raumgerät für ein hlk-system und verfahren zum datenaustausch zwischen einem mobilen gerät und einem raumgerät oder einem hlk-system

Info

Publication number
EP4305355B1
EP4305355B1 EP22713924.3A EP22713924A EP4305355B1 EP 4305355 B1 EP4305355 B1 EP 4305355B1 EP 22713924 A EP22713924 A EP 22713924A EP 4305355 B1 EP4305355 B1 EP 4305355B1
Authority
EP
European Patent Office
Prior art keywords
room unit
mobile device
hvac system
controller
room
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.)
Active
Application number
EP22713924.3A
Other languages
English (en)
French (fr)
Other versions
EP4305355C0 (de
EP4305355A1 (de
Inventor
Christian Ebner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Belimo Holding AG
Original Assignee
Belimo Holding AG
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 Belimo Holding AG filed Critical Belimo Holding AG
Publication of EP4305355A1 publication Critical patent/EP4305355A1/de
Application granted granted Critical
Publication of EP4305355B1 publication Critical patent/EP4305355B1/de
Publication of EP4305355C0 publication Critical patent/EP4305355C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/52—Indication arrangements, e.g. displays
    • F24F11/523—Indication arrangements, e.g. displays for displaying temperature 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • 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
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • 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
    • F24F11/56—Remote control
    • F24F11/59—Remote control for presetting
    • 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
    • F24F11/62—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
    • F24F11/65—Electronic processing for selecting an operating mode

Definitions

  • the invention relates to a room unit for an HVAC system comprising a short-range wireless communication module in order to establish a short-range communication connection with a mobile device. Further, the present application also relates to a method for exchanging data between a mobile device and a room unit or an HVAC system, and vice versa.
  • AU 2018/441289 A1 (Mitsubishi Electric Corporation) describes an air conditioning system in which several air conditioning units can be controlled, whereby an air conditioning unit in one room can be controlled from another room.
  • Each indoor unit is connected to an outdoor unit via cables and pipes and can receive control commands from a remote control.
  • a control command sent by the remote control is provided with an identification number of the indoor unit to be controlled, whereby the indoor unit receiving the control command checks whether the control command is provided with its identification number and forwards the control command to the outdoor unit via the cable if the control command is intended for another indoor unit.
  • the outdoor unit then forwards the control command to the indoor unit whose identification number matches that of the control command.
  • US 2015/0159895 A1 discloses a device for controlling a building system, in particular an HVAC system.
  • the device comprises an HVAC controller which can control different HVAC components within a building and which can be connected to various sensors.
  • the HVAC controller can be connected to a control device, e.g. a mobile device or computer, via a wireless connection.
  • the HVAC controller can be programmed to control the HVAC system according to predefined settings that are assigned to a user profile. If multiple user profiles are stored in the HVAC controller, rules can be defined to determine which user profile has priority for controlling the HVAC system.
  • a disadvantage of the room units as known in the art is that only a limited number of values may be set and only some parameters may be displayed, since the room units are of a small size and hence only have a limited space to display information or to feature buttons and the like. Further, operation parameters of the HVAC system as well as measured values of ambient air may be read by anyone passing by the room unit and even operating parameters of the HVAC system may be altered by anyone having access to the room unit.
  • the inventive room unit allows the exchange of data between a mobile device, such as a tablet computer or smartphone and the room unit.
  • the controller may thereby relay the data from the mobile device to the HVAC system, and vice versa.
  • a large amount of data of the HVAC system such as operation parameters and the like, as well as parameters of the room unit or measured values of a sensor of the room unit on a display of the mobile device.
  • a greater set of values may be set in an easier way on the mobile device and said values may then be sent to the HVAC system via the room unit or to the room unit itself.
  • different modes of operation of the room unit can be set and software updates can be uploaded to the room unit in a highly flexible manner.
  • user rights for accessing different functions of the room unit can easily be implemented and configured.
  • a short-range wireless communication module is a module which allows the wireless transmission of data at a distance of up to 30 meters, however, preferably of less than 10 meters, more preferably of less than 1 meter, even more preferably of less than 50 cm, even more preferably of less than 10 cm. Most preferably, the short-range wireless communication module allows the wireless transmission of data in a distance of less than 5 cm.
  • the room unit comprises at least one status indicator, for example in the form of an LED in order to show the status of the room unit and/or of the HVAC system.
  • at least one status indicator for example in the form of an LED in order to show the status of the room unit and/or of the HVAC system.
  • the short-range wireless communication module is a near field communication module and/or a Bluetooth ® Low Energy communication module.
  • the advantage of a near field communication module is that the transfer of data is only possible for mobile devices, which are in close proximity to the room unit. This increases security, as data may only be exchanged with mobile devices of users, which have physical access to the room unit and are hence inside the room. This excludes the exchange of data with mobile devices of persons, which do not have access to the room or building, as these mobile devices are out of range for the exchange of data.
  • the room unit comprises at least one sensor to measure at least one parameter of ambient air, wherein the controller is configured to transmit the at least one parameter to the mobile device and/or the HVAC system.
  • the controller saves the measured value of the at least one parameter in a memory.
  • the controller preferably transmits the last saved measured value and/or the current measured value of the at least one parameter to the mobile device.
  • the controller is configured such as to save measured values of the at least one parameter for a pre-set time interval, for example one or several days.
  • the controller preferably transmits all saved measured values of the at least one parameter, so that a chronological sequence of measured values of the at least one parameter may be displayed on the mobile device.
  • the memory contains a list of which data may be exchanged with which mobile device or group of mobile devices.
  • the memory contains several levels of access rights, each level of access rights defining which data may be exchanged between the room unit and a mobile device or group of mobile device belonging to the specific access rights level. For example, all data may be exchanged between the room unit and a mobile device having administrator access rights.
  • a mobile device having only user level access rights may only exchange data pertaining to certain parameters of the HVAC system or room unit, but not any commands to alter parameters of the HVAC system or room unit.
  • the controller queries the mobile device for a token which defines the access rights the specific mobile device has upon establishing a connection with the mobile device.
  • a token is saved on a memory of the mobile device by a software allowing the connection of the mobile device with the room unit.
  • a specific passcode or pin defines the access rights conferred to the mobile device or which access rights level the mobile device belongs into.
  • a first passcode or pin may define administrator rights
  • a second passcode may define user level access rights.
  • a first mobile device providing the first passcode or pin upon query of the controller will hence be granted administrator rights
  • a further mobile device providing the second passcode will be granted user level access rights.
  • a second mobile device also provides the first passcode or pin, this mobile device will also be granted administrator access rights.
  • the controller is further preferably configured to allow the exchange of certain data with a mobile device having not provided any passcode or pin. This allows to provide the transmission of some basic data, such as e.g. the currently measured room temperature to any mobile device which is in range of the short-range wireless communication module.
  • the query for the passcode or pin may be displayed on the mobile device, such that a user of the mobile device may input the passcode or pin, e.g. by means of a keyboard of the mobile device.
  • the software of the mobile device used to establish the short-range wireless communication connection with the room unit may store the passcode or pin after it has been input by the user, so that the software may provide the passcode or pin to the controller upon further queries and/or upon the establishment of a further short-range communication connection with the room unit.
  • the alteration of access rights is restricted to mobile devices having according access right, e.g. such as mobile devices having administrator level access rights.
  • commands to alter access rights as well as parameters of the room unit or of the HVAC system may be sent only by using a special software, such as an administrator program or administrator app which is provided by the manufacturer of the room unit and distributed only to customers of the room unit.
  • the manufacturer of the room unit preferably provides an openly accessible software, which may e.g. be freely downloaded from a website or app store for the general public.
  • Such a software preferably has a restricted functionality which only allows the transmission of certain parameters of the HVAC system or the room unit as well as a restricted set of measured values to the mobile device running this software.
  • commands to define or alter the access rights may be sent by the openly accessibly software, running in an administrator mode, e.g. after an administrator password has been entered.
  • connection means is a connector for a bus system, preferably for a field bus system.
  • the connector preferably is in the form of a terminal block with spring or screw terminals for conductors of a cable, especially of a cable of the bus system.
  • connection means may be in the form of a receptacle for a plug of a cable, especially of a cable of the field bus system.
  • the connector may be in the form of a lug or solder terminals for conductors of a cable, especially of a cable of the field bus system.
  • the room unit comprises a display, preferably an electronic paper display on which at least a part of the data and/or the at least one parameter may be displayed.
  • some basic data for example the temperature measured by the at least one sensor may be displayed on the room unit, while other data, for example such as the measured humidity or parameters of the HVAC system or room unit may only be displayed on the mobile unit.
  • the embodiment of the room unit 1 as shown in Fig. 1 includes a display 5 which allows the indication of parameters of the HVAC system received through the connection means 2 and/or the measured value of the sensor 6. Further, the display 5 may be a touch-screen display which allows input from users such as to generate commands to alter operational parameters of the HVAC system, e.g. in such a way as to change the ambient temperature to a desired value, or to alter operation or configuration parameters of the room unit 1.
  • the controller 3 of the room unit 1 relays operation parameters 14 of the HVAC system 10 or of the room unit 1 to the mobile device 9. Further, the controller 3 of the room operation unit 1 relays commands 15 to alter operation parameters of the HVAC system from the mobile device 9 to the HVAC system 10 or receives commands to alter parameters of the room unit 1 from the mobile device 9. When relaying operation parameter 14 or commands 15 to alter operation parameters, the controller 3 of the room operation unit 1 checks whether the operation parameter 14 or the command 15 may be relayed to the mobile device 9, the HVAC system 10 or the room unit 1, respectively, according to access rights stored in a memory of the room unit 1.
  • Figs. 3A to 3C shows different configurations of a display 5 of an embodiment of a room unit 1 according to the present invention with different segments 20 - 26 which may be displayed or hidden by means of a mobile device 9, whereby Fig. 3A shows the display 5 with all segments 20 - 26 with all display options in said segments 20 - 26.
  • a switch segment 25 is displayed which allows to switch the supply of air from the HVAC system to the room in which the room unit 1 is located on or off.
  • the switch segment 25 is touch sensitive.
  • Fig. 3C shows a second exemplary configuration of a display 5.
  • the temperature in the selected temperature segment 20 as well as in the room parameter segment 24 have been set to °F.
  • the ventilation status indicator segment 22 as well as the ventilation selection segment 23 are hidden.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Claims (15)

  1. Raumeinheit (1) für ein HLK-System (10), umfassend ein Verbindungsmittel (2) zum Verbinden der Raumeinheit (1) mit dem HLK-System (10), wobei die Raumeinheit (1) ferner eine Steuerung (3) und ein drahtloses Nahbereichskommunikationsmodul (4) umfasst, welches eine drahtlose Kommunikation mit einem Mobilgerät (9) für den Austausch von Daten zwischen dem Mobilgerät (9) und der Raumeinheit (1) und umgekehrt ermöglicht, dadurch gekennzeichnet, dass die Steuerung (3) konfiguriert ist, um den Austausch spezifischer Daten zwischen der Raumeinheit (1) und dem Mobilgerät (9) basierend auf Zugriffsrechten, die in einem Speicher der Raumeinheit (1) gespeichert sind, zu ermöglichen oder zu verweigern.
  2. Raumeinheit (1) nach Anspruch 1, dadurch gekennzeichnet, dass das drahtlose Nahbereichskommunikationsmodul (4) ein Nahfeldkommunikationsmodul und/oder ein Bluetooth-Low-Energy-Kommunikationsmodul ist.
  3. Raumeinheit (1) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Raumeinheit (1) mindestens einen Sensor (6) zum Messen mindestens eines Parameters der Umgebungsluft umfasst, wobei die Steuerung (3) konfiguriert ist, um den mindestens einen Parameter an das Mobilgerät (9) und/oder das HLK-System (10) zu übertragen.
  4. Raumeinheit (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Daten mindestens einen Parameter des HLK-Systems (10) oder der Raumeinheit (1) und/oder einen Befehl zum Ändern mindestens eines Parameters des HLK-Systems (10) oder der Raumeinheit (1) umfassen.
  5. Raumeinheit (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Steuerung (3) konfiguriert ist, um ein Passwort oder Pin von dem Mobilgerät (9) abzufragen, wobei der Speicher Informationen enthält, welche die Zugriffsrechte für ein Mobilgerät (9) definieren, das ein spezifisches Passwort oder einen spezifischen Pin bereitstellt.
  6. Raumeinheit (1) nach einem der Ansprüche 1 oder 5, dadurch gekennzeichnet, dass die Steuerung (3) so konfiguriert ist, dass die Zugriffsrechte, die in dem Speicher der Raumeinheit (1) gespeichert sind, vorzugsweise mindestens ein Passwort oder Pin, der spezifischen Zugriffsrechten zugeordnet ist, durch einen Befehl geändert werden können, der in den Daten enthalten ist, die von dem Mobilgerät (9) an die Raumeinheit (1) gesendet werden.
  7. Raumeinheit (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Verbindungsmittel (2) ein Verbinder für ein Bussystem, vorzugsweise für ein Feldbussystem, ist.
  8. Raumeinheit (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Raumeinheit (1) eine Anzeige (5), vorzugsweise eine elektronische Papieranzeige, umfasst, auf der mindestens ein Teil der Daten und/oder des mindestens einen Parameters angezeigt werden kann.
  9. Raumeinheit (1) nach Anspruch 8, dadurch gekennzeichnet, dass die Anzeige (5) ein Touchscreen ist oder von einer berührungsempfindlichen Folie überlagert ist.
  10. Verfahren zum Austauschen von Daten zwischen einem Mobilgerät (9) und einem HLK-System (10) oder einer Raumeinheit (1) oder umgekehrt, umfassend die folgenden Schritte:
    a) Herstellen einer drahtlosen Nahbereichskommunikationsverbindung zwischen dem Mobilgerät (9) und einer Raumeinheit (1) nach einem der Ansprüche 1 bis 9;
    b) Weiterleiten von Daten von dem HLK-System (10) zu dem Mobilgerät (9), oder umgekehrt, durch die Steuerung (3) via das Verbindungsmittel (2) und die drahtlose Nahbereichskommunikationsverbindung oder Übertragung von Daten zwischen der Raumeinheit (1) und dem Mobilgerät (9), oder umgekehrt,
    c) dadurch gekennzeichnet, dass die Steuerung (3) prüft, ob der Austausch spezifischer Daten mit dem Mobilgerät (9) zugelassen oder verweigert werden soll, wenn das Mobilgerät (9) die Nahbereichskommunikationsverbindung mit der Raumeinheit (1) herstellt, wobei die Prüfung auf Zugriffsrechten basiert, die in einem Speicher der Raumeinheit (1) gespeichert sind.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Daten mindestens einen Parameter des HLK-Systems (10) oder der Raumeinheit (1) und/oder einen Befehl zum Ändern mindestens eines Parameters des HLK-Systems (10) oder der Raumeinheit (1) umfassen.
  12. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Steuerung (3) ein Passwort oder Pin von dem Mobilgerät (9) abfragt und Informationen abruft, welche die Zugriffsrechte für das Mobilgerät (9) definieren, die dem Passwort oder Pin entsprechen, der von dem Mobilgerät (9) bereitgestellt wird, wobei in dem Speicher der Raumeinheit (1) eine Tabelle gespeichert ist, die spezifischen Passwörtern oder Pins unterschiedliche Zugriffsrechte zuordnet.
  13. Verfahren nach einem der Ansprüche 10 oder 12, dadurch gekennzeichnet, dass die Steuerung (3) die Zugriffsrechte, die in dem Speicher gespeichert sind, vorzugsweise die Passwörter oder Pins oder die spezifischen Zugriffsrechte, die spezifischen Passwörtern oder Pins zugeordnet sind, bei Empfang eines entsprechenden Befehls von dem Mobilgerät (9) ändert.
  14. Verfahren zur Konfiguration einer Raumeinheit (1) nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    a) Schreiben von Konfigurationsparametern, die Informationen umfassen, die sich auf Zugriffsrechte beziehen, in einen nichtflüchtigen Speicher, insbesondere einen EEPROM-Speicher, des drahtlosen Nahbereichskommunikationsmoduls (4) mittels eines Mobilgeräts (9), vorzugsweise während die Raumeinheit (1) ausgeschaltet ist;
    b) Lesen der Konfigurationsparameter aus dem nichtflüchtigen Speicher, insbesondere dem EEPROM-Speicher, des drahtlosen Nahbereichskommunikationsmoduls (4) durch die Steuerung (3), vorzugsweise wenn die Raumeinheit (1) eingeschaltet ist.
  15. Computerprogramm, umfassend Anweisungen, um eine Raumeinheit (1) nach einem der Ansprüche 1 bis 9 zu veranlassen, die Verfahrensschritte nach den Ansprüchen 10 bis 13 auszuführen.
EP22713924.3A 2021-03-12 2022-03-10 Raumgerät für ein hlk-system und verfahren zum datenaustausch zwischen einem mobilen gerät und einem raumgerät oder einem hlk-system Active EP4305355B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2732021 2021-03-12
PCT/EP2022/056255 WO2022189589A1 (en) 2021-03-12 2022-03-10 Room unit for an hvac system and method for exchanging data between a mobile device and a room unit or an hvac system

Publications (3)

Publication Number Publication Date
EP4305355A1 EP4305355A1 (de) 2024-01-17
EP4305355B1 true EP4305355B1 (de) 2025-10-01
EP4305355C0 EP4305355C0 (de) 2025-10-01

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EP22713924.3A Active EP4305355B1 (de) 2021-03-12 2022-03-10 Raumgerät für ein hlk-system und verfahren zum datenaustausch zwischen einem mobilen gerät und einem raumgerät oder einem hlk-system

Country Status (4)

Country Link
US (1) US20240151418A1 (de)
EP (1) EP4305355B1 (de)
CN (1) CN116981889A (de)
WO (1) WO2022189589A1 (de)

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Publication number Priority date Publication date Assignee Title
CA205212S (en) * 2021-02-03 2022-11-24 Belimo Holding Ag Room sensor display

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Also Published As

Publication number Publication date
EP4305355C0 (de) 2025-10-01
US20240151418A1 (en) 2024-05-09
CN116981889A (zh) 2023-10-31
WO2022189589A1 (en) 2022-09-15
EP4305355A1 (de) 2024-01-17

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