EP3064848B1 - Système de climatisation, ainsi que dispositif et procédé de commande pour celui-ci - Google Patents

Système de climatisation, ainsi que dispositif et procédé de commande pour celui-ci Download PDF

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Publication number
EP3064848B1
EP3064848B1 EP15756043.4A EP15756043A EP3064848B1 EP 3064848 B1 EP3064848 B1 EP 3064848B1 EP 15756043 A EP15756043 A EP 15756043A EP 3064848 B1 EP3064848 B1 EP 3064848B1
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EP
European Patent Office
Prior art keywords
indoor unit
unit control
outdoor
outdoor unit
indoor
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EP15756043.4A
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German (de)
English (en)
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EP3064848A4 (fr
EP3064848A1 (fr
Inventor
Takahide Ito
Atsushi Enya
Minoru Matsuo
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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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
    • 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
    • F24F3/06—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 arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F24F3/065—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 arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029—Control issues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2103—Temperatures near a heat exchanger

Definitions

  • the present invention relates to an air conditioning system, and a control device and a control method for the same, and more particularly, to control of an air conditioning system.
  • an air conditioning system in which a plurality of outdoor units and a plurality of indoor units are connected to each other through common refrigerant pipes has been known (for example, refer to PTL 1).
  • an air conditioning system undergoes autonomous decentralized control such that indoor unit control parts and outdoor unit control parts control corresponding indoor units and outdoor units according to a common control rule for causing a change in refrigerant pressure to be in an allowable range.
  • the present invention has been made taking the foregoing circumstances into consideration, and an object thereof is to provide an air conditioning system in which the responsiveness and the stability of the system are enabled to be compatible with each other, and a control device and a control method for the same.
  • an air conditioning system as defined in claim 1.
  • Such a system includes a plurality of outdoor units and a plurality of indoor units connected in parallel and undergoes autonomous decentralized control such that each of the indoor units and each of the outdoor units enable a predetermined state quantity to be constant, the system including: a plurality of indoor unit control parts provided to respectively correspond to the indoor units; and a plurality of outdoor unit control parts provided to respectively correspond to the outdoor units, in which the indoor unit control parts and the outdoor unit control parts enable intercommunication, in a case where a target value in any of the indoor units is changed, the outdoor unit which operates to correspond to the corresponding indoor unit is determined through communication between the outdoor unit control parts, and the determined outdoor unit and the indoor unit in which the target value is changed are virtually grouped together, and the indoor unit control part and the outdoor unit control part respectively corresponding to the indoor unit and the outdoor unit which are grouped together respectively generate control commands for tracking the target value and enabling an amount of variation in the state quantity in the group to be in
  • the outdoor unit which operates in a pair with the indoor unit is selected, and the selected outdoor unit and the indoor unit in which the target value is changed are grouped together.
  • the control commands for suppressing variation in the state quantity caused by the change in the target value to be in a predetermined range are generated, and the control commands are transmitted to the corresponding indoor unit and outdoor unit. Accordingly, the change in the state quantity caused by the change in the target value can be kept in the indoor unit and the outdoor unit which are grouped together, and thus the system can be stabilized.
  • control performed due to the change in the target value is limited only to the indoor unit and the outdoor unit which are grouped together, and responsiveness can be enhanced.
  • the indoor units and the outdoor units which are not grouped may lock operation amounts while the state quantity is changed according to the target value in the indoor unit and the outdoor unit which are grouped together, and may release locking of the operation amounts when the state quantity is stabilized.
  • each of the indoor units and the indoor unit control part corresponding to the indoor unit may communicate in a one-to-one correspondence with each other, and each of the outdoor units and the outdoor unit control part corresponding to the outdoor unit may communicate in a one-to-one correspondence with each other.
  • a corresponding device and the control part thereof communicate in a one-to-one correspondence with each other, and thus the amount of data communication can be reduced. Therefore, it becomes possible to avoid a delay in response due to a delay in communication.
  • the plurality of indoor unit control parts and the plurality of outdoor unit control parts may be integrated and mounted as virtualized control parts on a single piece or a plurality of pieces of hardware.
  • control parts are integrated and mounted as virtualized control parts on a single piece or a plurality of pieces of hardware, it becomes possible to achieve a reduction in costs and a reduction in the size of the device.
  • a control device as defined in claim 5.
  • This control device is applied to an air conditioning system, which includes a plurality of outdoor units and a plurality of indoor units connected in parallel and undergoes autonomous decentralized control such that each of the indoor units and each of the outdoor units enable a predetermined state quantity to be constant, the device including: a plurality of indoor unit control parts provided to respectively correspond to the indoor units; and a plurality of outdoor unit control parts provided to respectively correspond to the outdoor units, in which the indoor unit control parts and the outdoor unit control parts enable intercommunication, in a case where a target value in any of the indoor units is changed, the outdoor unit which operates to correspond to the corresponding indoor unit is determined through communication between the outdoor unit control parts, and the determined outdoor unit and the indoor unit in which the target value is changed are virtually grouped together, and the indoor unit control part and the outdoor unit control part respectively corresponding to the indoor unit and the outdoor unit which are grouped together respectively generate control commands for tracking the target value and enabling an amount of variation in the state
  • Fig. 1 is a view schematically illustrating a refrigerant system of an air conditioning system 1 according to the embodiment.
  • the air conditioning system 1 includes a plurality of outdoor units 2a and 2b, and a plurality of indoor units 3a and 3b.
  • the outdoor units 2a and 2b and the indoor units 3a and 3b are connected in parallel.
  • Fig. 1 a configuration in which two outdoor units and two indoor units are provided is illustrated.
  • the number of units is not limited to this example, and two or more units may be provided.
  • Each of the outdoor units 2a and 2b includes, as main components, a compressor 21 which compresses and transmits the refrigerant, a four-way valve 22 which changes the circulation direction of the refrigerant, an outdoor heat exchanger 23 and an outdoor fan 24 for heat exchange between the refrigerant and outside air, an accumulator 25 provided in a suction side pipe of the compressor 21 for the purpose of vapor-liquid separation of the refrigerant, and the like.
  • a high pressure side pressure sensor 26 which measures the pressure of the refrigerant on a high pressure side
  • a low pressure side pressure sensor 27 which measures the pressure of the refrigerant on a low pressure side are provided. Since the outdoor unit 2b has the same configuration as that of the outdoor unit 2a, the illustration thereof is omitted.
  • Each of the indoor units 3a and 3b includes, as main components, an expansion valve 31, an indoor heat exchanger 32, and indoor fan 33.
  • a high pressure side pressure sensor 36 which measures the pressure of the refrigerant on a high pressure side
  • a low pressure side pressure sensor 37 which measures the pressure of the refrigerant on a low pressure side
  • a temperature sensor 38 which measures an air conditioning temperature
  • a high pressure side refrigerant pipe 5a of the outdoor unit 2a, a high pressure side refrigerant pipe 5b of the outdoor unit 2b, a high pressure side refrigerant pipe 6a of the indoor unit 3a, and a high pressure side refrigerant pipe 6b of the indoor unit 3b are connected by a header 7.
  • a low pressure side refrigerant pipe 15a of the outdoor unit 2a, a low pressure side refrigerant pipe 15b of the outdoor unit 2b, a low pressure side refrigerant pipe 16a of the indoor unit 3a, and a low pressure side refrigerant pipe 16b of the indoor unit 3b are connected by a header 8.
  • streams of the refrigerant transmitted from the outdoor units 2a and 2b join in the header 7 and branch off to be supplied to the indoor units 3a and 3b, and streams of the refrigerant that return from the indoor units 3a and 3b join in the header 8 and branch off to be supplied to the outdoor units 2a and 2b.
  • the refrigerant reversely flows.
  • Fig. 2 is a view illustrating the schematic configuration of a control device of the air conditioning system 1 according to this embodiment.
  • a control device 10 includes an outdoor unit control part 40a which controls the outdoor unit 2a, an outdoor unit control part 40b which controls the outdoor unit 2b, an indoor unit control part 50a which controls the indoor unit 3a, and an indoor unit control part 50b which controls the indoor unit 3b.
  • the outdoor unit control part 40a and the like which are not distinguished from each other to mean all control parts are simply referred to as a "control part".
  • the outdoor unit control part 40a, the outdoor unit control part 40b, the indoor unit control part 50a, and the indoor unit control part 50b are configured to enable intercommunication via a communication medium 11.
  • a communication medium 11 for example, a local area network such as Ethernet (registered trademark) is employed regardless of whether it is a wired or wireless medium.
  • control parts enable intercommunication via the communication medium having a relatively high communication speed (for example, 1 Gbps or higher), such as Ethernet (registered trademark), and thus the responsiveness is not degraded by the delay of data communication.
  • a communication medium having a relatively low communication speed for example, 19.2 kbps or the like.
  • reducing the amount of communication data through communication in a one-to-one correspondence it becomes possible to avoid the degradation of the responsiveness.
  • control parts may be formed as virtualized control parts on a single piece or a plurality of pieces of hardware and may be configured to enable intercommunication and also their independent operations.
  • the control parts as the virtualized control parts, it becomes possible to achieve a reduction in the entire size of the device and a reduction in costs.
  • the existence form of the outdoor unit control part 40a, the outdoor unit control part 40b, the indoor unit control part 50a, and the indoor unit control part 50b is not particularly limited, and an optimal method may be appropriately employed depending on the CPU resources, costs, the device size, and the like.
  • the outdoor unit control parts 40a and 40b and the indoor unit control parts 50a and 50b undergo autonomous decentralized control such that predetermined state quantities in the air conditioning system 1 are constant in a normal period.
  • each of the indoor unit control parts 50a and 50b adjusts the opening degree of the expansion valve 31 to control the flow rate of the refrigerant such that the high pressure side pressure (state quantity) of each of the corresponding indoor units 3a and 3b is in a predetermined indoor unit high pressure allowable range set in advance (for example, see Fig. 3 ) and the low pressure side pressure (state quantity) thereof is in a predetermined indoor unit low pressure allowable range set in advance.
  • the indoor unit low pressure allowable range is set to be wider than the outdoor unit low pressure allowable range
  • the indoor unit high pressure allowable range is set to be wider than the outdoor unit high pressure allowable range
  • information regarding the change in the set temperature is transmitted from the indoor unit control part 50a of the indoor unit 3a to the indoor unit control part 50b and the outdoor unit control parts 40a and 40b which are the other control parts.
  • the indoor unit control part 50a transmits information of the flow rate of the refrigerant, which is necessary for changing the set temperature.
  • the outdoor unit control parts 40a and 40b exchange information and determine an outdoor unit corresponding to the fluctuation of the flow rate of the refrigerant of the indoor unit 3a.
  • the operation efficiency (for example, coefficient of performance) is obtained on the basis of the fluctuation of a load factor caused by an increase in the flow rate of the refrigerant, and an outdoor unit having the highest operation efficiency is determined from the outdoor units 2a and 2b.
  • an algorithm is stored in each of the outdoor unit control parts 40a and 40b in advance, and any outdoor unit may be selected according to the algorithm.
  • any outdoor unit may be selected according to the algorithm.
  • description will be provided assuming that the outdoor unit 2a is selected.
  • the indoor unit control part 50a corresponding to the indoor unit 3a and the outdoor unit control part 40a corresponding to the outdoor unit 2a are virtually grouped together.
  • a subdomain is formed between the indoor unit control part 50a and the outdoor unit control part 40a.
  • a control command for tracking a set temperature after the change and enabling the amount of variation in the pressure of the refrigerant in each of the indoor unit 3a and the outdoor unit 2a which are grouped together to be in a predetermined range is generated.
  • the indoor unit control part 50a generates an opening degree command for the expansion valve 31 to track the set temperature after the change and the rotation frequency of the indoor fan 33 through feed-forward control
  • the outdoor unit control part 40a estimates the amount of a change in the flow rate of the refrigerant on the basis of the opening degree command for the expansion valve 31 generated by the indoor unit control part 50a and generates a rotation frequency command for the compressor 21 according to the amount of the change and a rotation frequency command for the outdoor fan 24 through feed-forward control.
  • the indoor unit control part 50a transmits various commands which are generated to the indoor unit 3a via the communication medium 12
  • the outdoor unit control part 40a transmits various commands which are generated to the outdoor unit 2a via the communication medium 12. Accordingly, in the indoor unit 3a, the opening degree of the expansion valve 31 and the rotation frequency of the indoor fan 33 are controlled on the basis of the received control command, and in the outdoor unit 2a, the rotation frequency of the compressor 21 and the rotation frequency of the outdoor fan 24 are controlled on the basis of the received control command.
  • the indoor unit control part 50b and the outdoor unit control part 40b lock the operation amounts of the expansion valve, the compressor, and the like of the indoor unit 3b and the outdoor unit 2b and release the locking of the operation amounts after the pressure of the refrigerant in the air conditioning system 1 is stabilized.
  • the air conditioning system 1 in a case where the set temperature of an indoor unit is changed, an outdoor unit corresponding to the change in the set temperature of the indoor unit is selected, and the selected indoor unit and the outdoor unit are grouped together.
  • the opening degree of the expansion valve and the rotation frequency of the compressor are substantially simultaneously controlled so as to suppress variation in the pressure of the refrigerant caused by the change in the set temperature to be in a predetermined range. Accordingly, the change in the pressure of the refrigerant caused by the change in the set temperature can be kept in the indoor unit and the outdoor unit which are grouped together, and thus the system can be stabilized.
  • control performed due to the change in the set temperature is limited only to the indoor unit and the outdoor unit which are grouped together, and responsiveness can be enhanced.
  • Fig. 3 shows an example of the response of a high pressure side pressure in a case where the set temperature of an indoor unit is changed during general autonomous decentralized control. For example, during general autonomous decentralized control, the following control is performed.
  • the opening degree of the expansion valve of the indoor unit is controlled according to the set temperature.
  • the other indoor units and the outdoor units which share the refrigerant pipes are operated to suppress the change in the pressure of the refrigerant to be in a predetermined range set in advance. Accordingly, in each of the indoor units, the opening degree of the expansion valve is adjusted, and the rotation frequency of the compressor of each of the outdoor units is controlled. Such control is performed by each of the indoor units and the outdoor units as feedback control, and the pressure of the refrigerant gradually converges to a predetermined value.
  • an outdoor unit which operates to correspond to an indoor unit in which the set temperature is changed is selected to be grouped with the indoor unit, and control of the expansion valve and control of the rotation frequency of the compressor are controlled on the indoor unit and the outdoor unit which are grouped together so as to enable the pressure of the refrigerant to become substantially constant. Therefore, variation in the pressure of the refrigerant can be suppressed compared to in the related art, and it becomes possible to enable the responsiveness and the stability of the system to be compatible with each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Claims (6)

  1. Système de climatisation (1) qui inclut une pluralité d'unités extérieures (2a, 2b) et une pluralité d'unités intérieures (3a, 3b) reliées en parallèle et qui est soumis à une commande décentralisée autonome dans une période normale de sorte qu'une grandeur d'état prédéterminée dans chacune des unités intérieures (3a, 3b) et chacune des unités extérieures (2a, 2b) est dans une plage admissible prédéterminée définie à l'avance, le système comprenant :
    une pluralité de parties de commande d'unité intérieure (50a, 50b) fournies pour correspondre respectivement aux unités intérieures (3a, 3b) ; et
    une pluralité de parties de commande d'unité extérieure (40a, 40b) fournies pour correspondre respectivement aux unités extérieures (2a, 2b),
    dans lequel les parties de commande d'unité intérieure (50a, 50b) et les parties de commande d'unité extérieure (40a, 40b) permettent une intercommunication,
    dans une période de transition au cours de laquelle une valeur cible dans l'une quelconque des unités intérieures (3a, 3b) est modifiée, la partie de commande d'unité intérieure (50a, 50b), correspondant à l'unité intérieure (3a, 3b) dans laquelle la valeur cible est modifiée, est configurée pour transmettre des informations portant sur une modification de la valeur cible aux parties de commande d'unité extérieure (40a, 40b),
    les parties de commande d'unité extérieure (40a, 40b) sont configurées pour réaliser une intercommunication et pour déterminer, parmi la pluralité des unités extérieures (2a, 2b), l'unité extérieure qui est actionnée pour correspondre à l'unité intérieure (3a, 3b) dans laquelle la valeur cible est modifiée, selon un algorithme stocké au préalable,
    un sous-domaine est formé entre la partie de commande d'unité extérieure (40a, 40b) correspondant à l'unité extérieure déterminée et la partie de commande d'unité intérieure (50a, 50b) correspondant à l'unité intérieure dans laquelle la valeur cible est modifiée, et la partie de commande d'unité extérieure et la partie de commande d'unité intérieure sont virtuellement regroupées, et
    la partie de commande d'unité intérieure (50a, 50b) et la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées génèrent respectivement des instructions de commande pour suivre la valeur cible modifiée et permettre à une quantité de variation de la grandeur d'état, dans l'unité intérieure (3a, 3b) et l'unité extérieure (2a, 2b) correspondant respectivement à la partie de commande d'unité intérieure et à la partie de commande d'unité extérieure qui sont virtuellement regroupées, d'être dans une plage prédéterminée au travers d'une communication entre elles, et transmettent les instructions de commande générées à l'unité intérieure et à l'unité extérieure correspondantes.
  2. Système de climatisation (1) selon la revendication 1,
    dans lequel les parties de commande d'unité intérieure (50a, 50b) et les parties de commande d'unité extérieure (40a, 40b) qui ne sont pas virtuellement regroupées verrouillent des quantités de fonctionnement tandis que la grandeur d'état est modifiée en fonction de la valeur cible modifiée dans l'unité intérieure et l'unité extérieure correspondant respectivement à la partie de commande d'unité intérieure (50a, 50b) et à la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées, et libèrent le verrouillage des quantités de fonctionnement lorsque la grandeur d'état est stabilisée.
  3. Système de climatisation (1) selon la revendication 1 ou 2,
    dans lequel chacune des unités intérieures (3a, 3b) et la partie de commande d'unité intérieure (50a, 50b) correspondant à l'unité intérieure communiquent dans une correspondance biunivoque les unes avec les autres, et
    chacune des unités extérieures (2a, 2b) et la partie de commande d'unité extérieure (40a, 40b) correspondant à l'unité extérieure communiquent dans une correspondance biunivoque les unes avec les autres.
  4. Système de climatisation (1) selon l'une quelconque des revendications 1 à 3,
    dans lequel la pluralité de parties de commande d'unité intérieure (50a, 50b) et la pluralité de parties de commande d'unité extérieure (40a, 40b) sont intégrées et montées sous la forme de parties de commande virtualisées sur une seule pièce ou une pluralité de pièces de matériel.
  5. Dispositif de commande (10) pour un système de climatisation (1) qui inclut une pluralité d'unités extérieures (2a, 2b) et une pluralité d'unités intérieures (3a, 3b) reliées en parallèle et qui est soumis à une commande décentralisée autonome dans une période normale de sorte qu'une grandeur d'état prédéterminée dans chacune des unités intérieures (3a, 3b) et chacune des unités extérieures (2a, 2b) est dans une plage admissible prédéterminée définie à l'avance, le dispositif comprenant :
    une pluralité de parties de commande d'unité intérieure (50a, 50b) fournies pour correspondre respectivement aux unités intérieures (3a, 3b) ; et
    une pluralité de parties de commande d'unité extérieure (40a, 40b) fournies pour correspondre respectivement aux unités extérieures (2a, 2b),
    dans lequel les parties de commande d'unité intérieure (50a, 50b) et les parties de commande d'unité extérieure (40a, 40b) permettent une intercommunication,
    dans une période de transition au cours de laquelle une valeur cible dans l'une quelconque des unités intérieures (3a, 3b) est modifiée, la partie de commande d'unité intérieure (50a, 50b), correspondant à l'unité intérieure dans laquelle la valeur cible est modifiée, transmet des informations portant sur une modification de la valeur cible aux parties de commande d'unité extérieure (40a, 40b),
    les parties de commande d'unité extérieure (40a, 40b) réalisent une intercommunication et déterminent, parmi la pluralité des unités extérieures (2a, 2b), l'unité extérieure qui est actionnée pour correspondre à l'unité intérieure dans laquelle la valeur cible est modifiée, selon un algorithme stocké au préalable,
    un sous-domaine est formé entre la partie de commande d'unité extérieure (40a, 40b) correspondant à l'unité extérieure déterminée et la partie de commande d'unité intérieure (50a, 50b) correspondant à l'unité intérieure (3a, 3b) dans laquelle la valeur cible est modifiée, et la partie de commande d'unité extérieure et la partie de commande d'unité intérieure sont virtuellement regroupées, et
    la partie de commande d'unité intérieure (50a, 50b) et la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées génèrent respectivement des instructions de commande pour suivre la valeur cible modifiée et permettre à une quantité de variation de la grandeur d'état, dans l'unité intérieure (3a, 3b) et l'unité extérieure (2a, 2b) correspondant respectivement à la partie de commande d'unité intérieure (50a, 50b) et à la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées, d'être dans une plage prédéterminée par une communication entre elles, et transmettent les instructions de commande générées à l'unité intérieure et à l'unité extérieure correspondantes.
  6. Procédé de commande d'un système de climatisation (1) qui inclut une pluralité d'unités extérieures (2a, 2b) et une pluralité d'unités intérieures (3a, 3b) reliées en parallèle et qui est soumis à une commande décentralisée autonome dans une période normale de sorte qu'une grandeur d'état prédéterminée dans chacune des unités intérieures (3a, 3b) et chacune des unités extérieures (2a, 2b) est dans une plage admissible prédéterminée définie à l'avance, le procédé comprenant :
    la formation d'une configuration dans laquelle une pluralité de parties de commande d'unité intérieure (50a, 50b) fournies pour correspondre respectivement aux unités intérieures (3a, 3b) et une pluralité de parties de commande d'unité extérieure (40a, 40b) fournies pour correspondre respectivement aux unités extérieures (2a, 2b) permettent une intercommunication ;
    dans une période de transition au cours de laquelle une valeur cible dans l'une quelconque des unités intérieures (3a, 3b) est modifiée, la partie de commande d'unité intérieure, correspondant à l'unité intérieure (3a, 3b) dans laquelle la valeur cible est modifiée, transmet des informations portant sur une modification de la valeur cible aux parties de commande d'unité extérieure (40a, 40b),
    par les parties de commande d'unité extérieure (40a, 40b) réalisant une intercommunication, la détermination, parmi la pluralité des unités extérieures (2a, 2b), de l'unité extérieure qui est actionnée pour correspondre à l'unité intérieure dans laquelle la valeur cible est modifiée, selon un algorithme stocké au préalable,
    la formation d'un sous-domaine entre la partie de commande d'unité extérieure (40a, 40b) correspondant à l'unité extérieure déterminée (2a, 2b) et la partie de commande d'unité intérieure (50a, 50b) correspondant à l'unité intérieure (3a, 3b) dans laquelle la valeur cible est modifiée, et le regroupement virtuel de la partie de commande d'unité extérieure (40a, 40b) et de la partie de commande d'unité intérieure (50a, 50b) ;
    par la partie de commande d'unité intérieure (50a, 50b) et la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées, la génération respective d'instructions de commande pour suivre la valeur cible modifiée et permettre à une quantité de variation de la grandeur d'état, dans l'unité intérieure (3a, 3b) et l'unité extérieure (2a, 2b) correspondant respectivement à la partie de commande d'unité intérieure (50a, 50b) et à la partie de commande d'unité extérieure (40a, 40b) qui sont virtuellement regroupées, d'être dans une plage prédéterminée par une communication entre elles ; et
    la transmission des instructions de commande générées à l'unité intérieure et à l'unité extérieure correspondantes.
EP15756043.4A 2014-02-25 2015-01-29 Système de climatisation, ainsi que dispositif et procédé de commande pour celui-ci Active EP3064848B1 (fr)

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EP3064848A1 (fr) 2016-09-07
JP6215084B2 (ja) 2017-10-18

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