WO2007123092A1 - 空調システム - Google Patents
空調システム Download PDFInfo
- Publication number
- WO2007123092A1 WO2007123092A1 PCT/JP2007/058295 JP2007058295W WO2007123092A1 WO 2007123092 A1 WO2007123092 A1 WO 2007123092A1 JP 2007058295 W JP2007058295 W JP 2007058295W WO 2007123092 A1 WO2007123092 A1 WO 2007123092A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- heat pump
- air conditioning
- conditioning system
- control
- Prior art date
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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
- 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
- F24F3/001—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 in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
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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
- F24F11/30—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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
-
- 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
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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
- F24F11/62—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
- F24F11/66—Sleep mode
-
- 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
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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
- F24F11/70—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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F11/70—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
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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- 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
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/01—Heaters
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present invention relates to an air conditioning system, and more particularly to an air conditioning system for cooling and heating each room such as a house.
- heat pumps are often used in the form of being added to or replaced by heating devices that use the combustion energy of fuel.
- a heat pump is a device that uses a refrigerant to pump up the thermal energy of the air outside the house (atmosphere) and cools or warms the inside of the house. It uses the heat energy of the atmosphere to reduce energy consumption. It has the advantage of being able to In a heat pump, the COP (Coefficient of Performance), which is the value obtained by dividing the heating or cooling capacity Q by the consumption energy L to obtain the capacity Q, is 1.0. Often greatly surpassed.
- indoor coils heat exchangers
- Air conditioning systems that send conditioned air to each room through ducts are often used.
- a unit having a heat pump indoor coil or blower motor assembly as disclosed in Patent Document 1 is installed in a house, and the thermal energy of the air pumped up by the outdoor coil etc. Air is discharged into the air supplied to each room to air-condition the house.
- Patent Document 1 Japanese Patent Laid-Open No. 11-316039
- the timing and operation method of the dehumidification operation are not necessarily preferred, and further control optimization is considered necessary.
- control of the air conditioning system installed in the house's interface power does not necessarily show enough information.
- the present invention is to eliminate or reduce each of the above problems.
- An air conditioning system includes a first heat exchange device, a fan, a compressor, a second heat exchange device, and a control unit.
- the first heat exchange device exchanges heat between the surrounding air and the coolant flowing inside.
- the fan blows air that has been cooled or heated by at least the first heat exchange device to a plurality of rooms in the house through ducts.
- the compressor forms a heat pump with the first heat exchange device.
- the compressor is a machine whose capacity can be controlled and is installed outside the house.
- the second heat exchange device forms a heat pump together with the first heat exchange device and the compressor.
- the second heat exchange device is installed outside the house and exchanges heat between the air outside the house and the refrigerant.
- the control unit controls the capacity of the compressor.
- An air conditioning system is the machine according to the first invention, wherein the compressor compresses the refrigerant using the driving force of the electric motor whose rotation speed is changed by inverter control. And a control part performs inverter control of a compressor.
- the first heat exchange device is configured by a plurality of heat exchangers.
- the air conditioning system further includes a plurality of valves for adjusting the amount of refrigerant flowing through each of the plurality of heat exchanges.
- the control unit further controls the plurality of valves to adjust the amount of refrigerant flowing in each of the plurality of heat exchanges.
- An air conditioning system according to a fourth aspect of the present invention further includes a damper according to the third aspect of the present invention.
- This damper is provided for a plurality of heat exchangers, and adjusts the amount of air flowing around the heat exchangers. And a control part controls a damper further.
- air with different degrees of air conditioning can be sent to a plurality of rooms, and the amount of air conditioning air sent to a plurality of rooms can be adjusted.
- a fan is provided for each of the plurality of heat exchangers.
- air with different degrees of air conditioning can be sent to a plurality of rooms, and the amount of air conditioning air sent to a plurality of rooms can be adjusted.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house via a duct, and includes a heat pump, a heating device other than the heat pump, and a control unit.
- the heat pump can cool and Z or heat the air sent to the duct.
- the heating device can heat the air sent to the duct.
- the control unit adjusts the degree of cooling and z or heating of the air by the heat pump and the degree of heating of the air by the heating device according to the operation state of the heat pump.
- it is configured to adjust according to the operating state of the heat pump rather than simply deciding whether to operate the heat pump or the heating device based on the outside air temperature etc. Can be adjusted to increase efficiency. It is also possible to reduce the total energy consumption cost by taking into consideration the unit price of energy consumed by the heat pump and the unit price of energy consumed by the heating device as data.
- the control unit performs efficiency priority control.
- Efficiency priority control compares the energy consumption efficiency of the heat pump and the energy consumption efficiency of the heating device according to the operating state of the heat pump, compares the degree of air cooling and Z or heating by the heat pump, and the air by the heating device. Adjust the degree of heating.
- control unit performs cost priority control.
- cost-first control depending on the operating condition of the heat pump, the energy cost consumed by the heat pump per unit time is compared with the energy cost consumed by the heating device per unit time. Adjust the degree of heating and the degree of air heating by the heating device.
- the heating device heats by combustion.
- a heating device is a machine that obtains heat by burning fuel such as oil or gas.
- the heating device is an electric heater.
- An air conditioning system includes a first heat exchange device, a compressor, a second heat exchange device, a heat pump control unit, a control interface, and a system control unit.
- the first heat exchange device exchanges heat between ambient air and the refrigerant flowing inside.
- the compressor forms a heat pump with the first heat exchange device.
- a compressor is a machine capable of capacity control and is installed outside a house.
- the second heat exchange device forms a heat pump together with the first heat exchange device and the compressor.
- the second heat exchange device is installed outside the house and exchanges heat between the air outside the house and the refrigerant.
- the heat pump control unit controls the capacity of the compressor.
- the control 'interface is used to enter the set temperature in the house.
- the system controller is electrically connected directly or indirectly to the heat pump controller and the control interface. The system controller Two-way communication with the heat pump control unit is possible, and commands are issued to devices other than at least the heat pump.
- the air conditioning system according to a twelfth aspect of the present invention is the air conditioning system according to the eleventh aspect, wherein the equipment other than the heat pump includes a heating device that heats by combustion, an electric heater, a fan that sends conditioned air to a plurality of rooms in a house , At least one of total heat exchange ⁇ and sensible heat exchange ⁇ .
- the system control unit issues a command to a device other than the heat pump and the heat pump.
- An air conditioning system includes a set temperature schedule unit, an air conditioning unit, and a control unit.
- the preset temperature schedule section can change the preset temperature of the air conditioning in the house according to the time of day and / or day of the week.
- the air conditioning unit uses energy to air-condition the house.
- the control unit controls the air-conditioning unit giving priority to the set temperature during the predetermined time zone and Z or day of the time zone and Z or day of the week divided in the set temperature schedule unit, and the predetermined time zone. In other cases than Z or day of the week, the air conditioning unit is controlled with priority given to the fact that the amount of energy consumed per unit time does not exceed the specified upper limit over the set temperature.
- demand control is performed at a predetermined time zone, Z or day of the week, and demand control is not performed at other times.
- Demand control is a control that monitors the amount of energy consumed by the air conditioning system in real time and suppresses the degree of air conditioning in the air conditioning unit so that the amount of energy consumed per unit time does not exceed the upper limit. It is.
- the air conditioning system according to the fifteenth aspect of the present invention is the air conditioning system according to the fourteenth aspect of the present invention, wherein the predetermined time zone and the Z or day of the week are a time zone and / or a person normally sleeping on weekdays It is a time zone.
- demand control is performed when the discomfort does not become so great even if demand control is implemented, so the house is held in a comfortable space for the user while saving energy and reducing the energy consumption cost of the air conditioning system. be able to.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house via a duct, and includes a heat pump, a fan, a control interface, and a control unit. .
- the heat pump can cool and Z or heat the air sent to the duct.
- a fan sends conditioned air cooled or heated by a heat pump to a residential room through a duct.
- the control 'interface can input instructions for dehumidifying operation.
- the controller performs dehumidification control to dehumidify the conditioned air by controlling the heat pump and Z or fan when a dehumidifying operation instruction is input to the control interface.
- the dehumidifying operation is automatically performed when the humidity is high, and the dehumidifying operation is performed when the instruction of dehumidifying operation is input to the control interface.
- the dehumidifying operation is performed when the instruction of dehumidifying operation is input to the control interface.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house via a duct, and includes a heat pump, a fan, an outside air temperature sensor, and a control unit.
- the heat pump can cool and Z or heat the air sent to the duct.
- the fan sends conditioned air cooled or heated by a heat pump to a residential room through a duct.
- the outside air temperature sensor measures the outside air temperature of the air outside the house. When the outside air temperature measured by the outside air temperature sensor falls below a predetermined value, the control unit periodically performs regular dehumidification control to dehumidify the conditioned air by controlling the heat pump and Z or fan.
- dehumidification is performed periodically when the outside air temperature decreases, dehumidification can be performed efficiently.
- This regular dehumidification control is particularly useful in high-temperature and high-humidity areas.
- An air conditioning system is an air conditioning system that supplies conditioned air to a house room via a duct, and includes a heat pump, a fan, and a dehumidification control unit.
- the heat pump has a compressor whose capacity can be controlled, cooling the air sent to the duct and Z Or it can be heated.
- the fan sends conditioned air cooled or heated by a heat pump to a residential room through a duct.
- the fan can adjust the air flow rate.
- the dehumidifying control unit lowers the air flow rate of the fan and improves the compressor capacity during the dehumidifying operation.
- the air flow rate of the fan decreases and the capacity of the compressor increases, so it is possible to secure the dehumidifying amount while preventing the temperature of the user from falling unexpectedly and feeling uncomfortable for the user in the house. it can.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house, and includes a heat pump, a control 'interface, a control unit, and a learning improvement unit.
- the heat pump has a compressor whose capacity can be controlled and can cool and / or heat the air sent to the house.
- the control interface inputs the set temperature at a predetermined time in the house room.
- the control unit performs preliminary control to change the target air conditioning temperature to the set temperature before the predetermined time so that the room in the house reaches the set temperature at the predetermined time.
- the learning improvement unit adjusts the start time for changing the target air-conditioning temperature to the set temperature in the next preliminary control according to the state of the previous preliminary control.
- An air conditioning system according to a twentieth invention according to the nineteenth invention is further provided with a heating device other than the heat pump.
- This heating device can heat the air sent to the room of the house.
- the control unit also sends a command to the heating device in addition to the heat pump.
- An air conditioning system is the nineteenth aspect, further comprising an outside air temperature sensor that measures the outside air temperature of the air outside the house. And the learning improvement part is further based on the outside temperature! / Adjust the start time.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house via a duct, the first heat exchange device, the compressor, the second heat exchange device, Heatbon Control unit, outside air temperature sensor, and control interface.
- the first heat exchange device exchanges heat between the surrounding air and the refrigerant flowing inside.
- the compressor forms a heat pump with the first heat exchange device.
- the compressor is installed outside the house and capacity control is possible.
- the second heat exchange device forms a heat pump together with the first heat exchange device and the compressor.
- the second heat exchange device is installed outside the house and exchanges heat between the air outside the house and the refrigerant.
- the heat pump control unit controls the capacity of the compressor.
- the outside air temperature sensor measures the outside air temperature outside the house and sends it to the heat pump control unit.
- the control 'interface is connected directly or indirectly to the heat pump controller.
- the control interface includes an input unit for inputting a set temperature in the house and a display unit for displaying the outside air temperature.
- the measured outside air temperature is displayed on the display section of the control 'interface, so if the current temperature and the set temperature are slightly different from each other, whether or not there is an influence of the outside air temperature! The user will be able to make decisions.
- An air conditioning system is an air conditioning system that supplies conditioned air to a room in a house via a duct, and includes a heat pump, a control interface, a heat pump control unit, a failure detection unit, , A contact storage unit and a contact display unit.
- the heat pump can cool and Z or heat the air sent to the duct.
- the control 'interface has a display device.
- the control 'interface can further have an input device for inputting the set temperature in the house, or an input device for inputting the set temperature in the house can be connected.
- the heat pump control unit controls the heat pump based on the set temperature.
- the failure detection unit detects a failure of the heat pump.
- the contact address storage unit stores a contact address at the time of failure of the heat pump.
- the contact display unit displays the contact information stored in the contact storage unit on the display device of the control 'interface when a failure of the heat pump is detected by the failure detection unit.
- the contact information is displayed on the display device of the control 'interface, so that the user can save the trouble of checking the contact information, and it is possible to contact the V ⁇ contact information correctly. become able to.
- An air conditioning system is the control device according to the twenty-third invention, wherein the input device is a control ' Computer with input function connected to interface, control 'input-only device connected to interface', and recording medium reading device built into control 'interface or device connected to control interface It is.
- an air conditioning system according to a twenty-fifth invention further includes a set temperature schedule section.
- the set temperature schedule is built in or connected to the control interface.
- the preset temperature schedule section sets the preset temperature for air conditioning in the house.
- the input device can set and input the set temperature for each time zone and Z or day of the week.
- the air conditioning system adjusts the degree of air cooling and Z or heating by the heat pump and the degree of air heating by the heating device according to the operating state of the heat pump. It is possible to increase the total efficiency of the system and reduce the total energy consumption cost.
- a system control unit different from the control interface is provided, and a bidirectional communication is performed between the system control unit and the heat pump control unit. For this reason, it is possible to obtain data such as the operating state of the heat pump, and to perform various fine-tuned controls on equipment other than the heat pump of the air conditioning system in the system control unit.
- demand control is performed at a predetermined time zone and Z or day of the week, and demand control is not performed at other times. This makes it easy to save energy and cost.
- dehumidification can be performed efficiently.
- the user who is in the house unexpectedly falls in temperature
- the amount of dehumidification can be secured while suppressing the pleasant feeling.
- the user can make a determination as to whether or not the power is affected by the outside air temperature.
- the user when the heat pump breaks down, the user can save the trouble of checking the contact information and can reliably contact the correct contact information.
- FIG. 1 is a layout diagram of an air conditioning system according to a first embodiment.
- FIG. 2 is a schematic configuration diagram of an air conditioning system according to the first embodiment.
- FIG. 3 is a diagram showing the assembly of each indoor unit of the air conditioning system according to the first embodiment.
- FIG. 4 is a control block diagram of the air conditioning system according to the first embodiment.
- FIG. 5 is a view showing a modification of the air conditioning system according to the first embodiment.
- FIG. 6 is a layout diagram of an air conditioning system according to a second embodiment.
- FIG. 7 is a schematic configuration diagram of an air conditioning system according to a second embodiment.
- FIG. 8 is a control block diagram of an air conditioning system according to a second embodiment.
- FIG. 9 is a diagram showing an example of a daily schedule of the air conditioning system according to the second embodiment.
- FIG. 10 is a diagram showing a schedule set screen of the air conditioning system according to the second embodiment.
- FIG. 11 is a view showing a demand control availability set screen of the air conditioning system according to the second embodiment.
- FIG. 12 is a preliminary control flow based on the schedule of the air conditioning system according to the second embodiment.
- FIG. 13 is a dehumidifying operation flow of the air conditioning system according to the second embodiment.
- FIG. 14 is a view showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 15 is a diagram showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 16 is a diagram showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 17 is a view showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 18 is a diagram showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 19 is a view showing one screen of a control interface of the air conditioning system according to the second embodiment.
- FIG. 20 is a diagram showing one screen of a control interface of the air conditioning system according to the second embodiment.
- the air conditioning system according to the first embodiment of the present invention is shown in FIG. 1, FIG. 2, and FIG.
- This air conditioning system is an air conditioning system that can be applied to one-story houses or low-rise buildings 1 such as a house, mainly a heat pump comprising an outdoor heat pump unit 20 and an indoor heat pump unit 31, 41, and a gas furnace unit 35, 45. And fan units 37 and 47.
- the indoor heat pump unit 31, the gas furnace unit 35, and the fan unit 37 are integrated into the indoor unit 30 in the basement 2e of the building 1, as will be described later.
- the indoor heat pump unit 41, the gas furnace unit 45, and the fan unit 47 are integrated into the indoor unit 40 in the ceiling 2f of the building 1.
- Air-conditioned air is carried by the supply duct 51 from the indoor unit 30 installed in the basement 2e to the rooms 2a and 2b on the first floor.
- the return air from the rooms 2a and 2b is returned to the indoor unit 30 through the return air duct 58 connecting the room 2a and the indoor unit 30.
- Air-conditioned air is carried by the supply duct 52 from the indoor unit 40 installed in the ceiling 2f to the rooms 2c and 2d on the second floor.
- the return air from the rooms 2c and 2d is returned to the indoor unit 40 through the return air duct 59 connecting the room 2c and the indoor unit 40.
- the heat pump is a machine in which two indoor heat pump units 31 and 41 are provided for one outdoor heat pump unit 20.
- Outdoor heat pumps The compressor 22 of the knit 20 is inverter-controlled to adjust the capacity, and the opening of the indoor electric pumps 33 and 43 of the indoor heat pump units 3 1 and 41 is adjusted, so that each indoor heat pump unit 31, 41 Varying cooling and heating capacity in
- the two refrigerant communication pipes extending from one outdoor heat pump unit 20 for liquid refrigerant and gas refrigerant are branched in the middle to become refrigerant communication pipes 39 and 59, respectively, and each indoor heat pump unit 31 , 41.
- the heat pump uses electric energy to drive the compressor 22, circulates the refrigerant in the refrigerant circuit, and takes heat from outside the building 1 to supply heat into the building 1, The aerodynamic force in building 1 also takes heat away and releases heat out of building 1. Thereby, the heat pump cools or heats the air sent to the supply ducts 51 and 52 by the fans 38 and 48 described later.
- the refrigerant circuit of the heat pump includes a compressor 22, a four-way switching valve 23, an outdoor heat exchanger 21, an outdoor electric expansion valve 24, indoor heat exchangers 32 and 42, and indoor electric expansion valves 33 and 43. Further, the heat pump includes an outdoor fan 25, an outdoor unit controller 13, an indoor heat pump unit controller 14 and the like in addition to the devices constituting the refrigerant circuit.
- the compressor 22, the four-way switching valve 23, the outdoor heat exchanger 21, the outdoor electric expansion valve 24, the outdoor fan 25, and the outdoor unit controller 13 are accommodated in the outdoor heat pump unit 20.
- the indoor heat exchangers 32, 42, the indoor electric expansion valves 33, 34, and the indoor heat pump unit controller 14 are accommodated in the indoor heat pump units 31, 41.
- the outdoor heat exchanger 21 exchanges heat between the outside air blown by the outdoor fan 25 and the refrigerant flowing inside.
- the compressor 22 is a machine whose capacity can be adjusted by inverter control of the drive motor by the inverter control unit 13a.
- the compressor 22 sucks low-pressure gas refrigerant, compresses it, and discharges it as high-pressure gas refrigerant.
- the outdoor unit controller 113 is connected to a number of temperature sensors and pressure sensors including an outside air temperature sensor, and the state values of each part of the heat pump are collected in the outdoor unit controller 13.
- the indoor heat pump units 31, 41 are different in installation location and installation direction, but have the same configuration, and therefore, the indoor heat pump unit 31 will be described as an example here.
- the indoor heat pump unit 31 allows the refrigerant sent from the outdoor heat pump unit 20 to flow through the indoor heat exchanger while adjusting the flow rate by the indoor electric expansion valve 33, and the air sent from the fan 38, which will be described later, and the indoor heat. Heat is exchanged with the refrigerant flowing through the AC.
- the outdoor unit controller 13 is an indoor heat pump unit controller 14 To open the indoor electric expansion valve 33 of the indoor heat pump unit 31 and close the indoor electric expansion valve 43 of the indoor heat pump unit 41 to compress the outdoor heat pump unit 20 to meet the air conditioning load of the rooms 2a and 2b. It is difficult to control machine 22 with an inverter.
- the gas furnace units 35 and 45 burn gas fuel and heat the air sent to the supply ducts 51 and 52 by the fans 38 and 48 described later.
- the gas furnace units 35 and 45 mainly include gas furnaces 36 and 46 that perform gas combustion, and gas furnace controllers 15 and 15 that control the amount of combustion.
- the fan units 37 and 47 serve to suck indoor air from the return air ducts 58 and 59 and send the air to the supply ducts 51 and 52 by fans 38 and 48 such as sirocco fans.
- the air flow rate can be adjusted based on a command from the main controller 12 described later.
- the control device 10 of the air conditioning system is centered on a control interface 11 that allows the user to input a set temperature and the like and provides the user with necessary information, and a main controller 12 that adjusts and controls the entire air conditioning system.
- the main controller 12 is electrically connected to the outdoor unit controller 13 of the heat pump, the gas furnace controller 15 of the gas furnace unit 35, the fan 38 of the fan unit 37 and the like so as to communicate with each other.
- the indoor heat pump unit controller 14 of the heat pump is connected to the main controller 12 via the outdoor unit controller 13.
- the main controller 12 is connected to the outdoor unit controller 13 so that bidirectional communication is possible.
- the main controller 12 adjusts the degree of cooling and heating by the indoor heat pump units 31 and 41 of the heat pump and the degree of heating by the gas furnace units 35 and 45 in accordance with the operating state of the heat pump.
- the control interface 11 includes a display for displaying various information and an input key for allowing the user to input an air conditioning set temperature in the building 1.
- FIG. 3 shows an indoor unit 30 consisting of an indoor heat pump unit 31, a gas furnace unit 35 and a fan unit 37.
- An indoor unit 40 consisting of a heat pump unit 41, a gas furnace unit 45 and a fan unit 47 is shown.
- each unit 31, 35, 37 has the same square shape when viewed from the top force, and is stacked vertically. Then, four stays (only two are shown in the figure) 91 are put on the four corners, and screws etc. [So, each unit 31, 35, 37] is fixed. From this, the three units 31, 35, 3 7 are integrated.
- each unit 41, 45, 47 has the same square shape when viewed from the side force, and is arranged in the horizontal direction. Then, four stays (only two are shown in the figure) 92 are put on the four corners, and screws etc. [Thus, each unit 41, 45, 47] is fixed. From here, the three units 41, 45, 47 are integrated together.
- the indoor unit 30 installed in the basement 2e is often placed on the floor.
- the stay 92 may be suspended from the roof beam.
- the drain pan installed below the indoor unit 40 can be suspended from the stay 92.
- a main controller 12 different from the control unit interface 11 is provided.
- a configuration is adopted in which bidirectional communication is performed between the main controller 12 and the outdoor unit controller 13 of the heat pump. For this reason, data such as the operation state of the heat pump can be obtained, and the main controller 12 can control the heat pump and the gas furnace 36 in various details.
- the compressor 22 has a capacity controllable capacity, and the capacity of the compressor 22 is controlled by the inverter control unit 13a to control the indoor electric expansion valves 33 and 43 to each indoor heat pump unit 31 and 41.
- the main controller 12 separate from the control interface 11 because it has a heat pump that can adjust the degree of cooling and heating.
- the amount of refrigerant flowing through the indoor heat exchanger 32 of the indoor heat pump unit 31 and the amount of refrigerant flowing through the indoor heat exchanger 42 of the indoor heat pump unit 41 are Since it can be adjusted by adjusting the opening of the electric expansion valves 33 and 43, air with different air conditioning levels can be sent to the first floor rooms 2a and 2b and the second floor rooms 2c and 2d. .
- the three units 31, 35, 3 7 are integrated using the stay 91, and the three units 41, 45, 47 are integrated using the stay 92. Therefore, the probability of occurrence of misses is reduced and problems such as vibration of the supply ducts 51 and 52 and the return air ducts 58 and 59 are suppressed as compared with conventional ones that are put together by putting and taping.
- the indoor heat pump unit 31 is installed in the basement 2 Force installed in e and indoor heat pump unit 41 installed in ceiling 2f As shown in Fig. 5, both units 31, 41 can be combined into one. Then, both units 31, 41 share one fan unit 37a, and the air sent from the fan 38a of the fan unit 37a is distributed to both units 31, 41 by the damper 95 of the damper unit 94. Also good.
- the main controller 12 controls the damper 95 in addition to the indoor electric expansion valves 33 and 43 of both units 31 and 41, and controls the conditioned air supplied to the rooms 2a, 2b, 2c and 2d. The amount and temperature will be adjusted.
- This air conditioning system is an air conditioning system applicable to a one-story building such as a building or a low-rise building 101, and mainly includes a heat pump comprising an outdoor heat pump unit 120 and an indoor heat pump unit 131, a gas furnace unit 135, and a fan. It consists of unit 137.
- the indoor heat pump unit 131, the gas furnace unit 135, and the fan unit 137 are integrated in the basement 102e of the building 101 to become an indoor unit 130. Since this one-piece assembly is the same as the integration of the indoor heat pump unit 31, the gas furnace unit 35, and the fan unit 37 in the first embodiment, a description thereof is omitted here.
- the heat pump uses electric energy to drive the compressor 122, circulates the refrigerant in the refrigerant circuit, the air force outside the building 101 also takes heat and supplies heat into the building 101, The aerodynamic force of the inside also takes heat and releases heat out of the building 101. Thereby, the heat pump cools or heats the air sent to the supply duct 151 by the fan 138 described later.
- the heat pump consists of a compressor 122, four-way A switching valve 123, an outdoor heat exchanger 121, an outdoor electric expansion valve 124, and an indoor heat exchanger 132 are provided. Further, the heat pump includes an outdoor fan 125 and an outdoor unit controller 113 in addition to the devices constituting the refrigerant circuit.
- the outdoor unit controller 113 controls the compressor 122, the outdoor fan 125, and the outdoor electric expansion valve 124.
- the compressor 122, the four-way switching valve 123, the outdoor heat exchanger 121, the outdoor electric expansion valve 124, the outdoor fan 125, and the outdoor unit controller 113 are accommodated in the outdoor heat pump unit 120.
- the indoor heat exchanger ⁇ 132 is accommodated in the casing of the indoor heat pump unit 131.
- a refrigerant communication pipe 139 connects between the four-way switching valve 123 and the indoor heat exchanger 132 and between the outdoor electric expansion valve 124 and the indoor heat exchanger 132.
- the heat pump is also equipped with an accumulator and other accessories. Illustration and explanation are omitted here.
- the indoor heat exchanger 132 exchanges heat between the air sent by the fan 128 described later and the refrigerant flowing inside.
- the outdoor heat exchanger l21 exchanges heat between the outside air blown by the outdoor fan 125 and the refrigerant flowing inside.
- the compressor 122 is a machine whose capacity can be adjusted by inverter control of the drive motor by the inverter control unit 113a. The compressor 122 sucks low-pressure gas refrigerant, compresses it, and discharges it as high-pressure gas refrigerant.
- a large number of temperature sensors and pressure sensors including an outside air temperature sensor 127 are connected to the outdoor unit controller 113, and the state values of each part of the heat pump are collected in the outdoor unit controller 113.
- the outside air temperature sensor 127 measures the outside air temperature of the air outside the building 101 (outside air).
- the gas furnace unit 135 burns gas fuel and heats the air sent to the supply duct 151 by the fan 138 described later.
- the gas furnace unit 135 mainly includes a gas furnace 136 that performs gas combustion and a gas furnace controller 115 that controls the amount of combustion.
- the fan unit 137 is connected to a return air duct 158 power chamber by a fan 138 such as a sirocco fan. It plays the role of sucking the internal air and sending it out to the supply duct 151.
- the fan 138 can adjust the air flow rate based on a command from the main controller 112 described later.
- the control device 110 of the air conditioning system has a control 'interface 111 that allows the user to input a set temperature and the like and provides the user with necessary information, and a main controller 112 that adjusts and controls the entire air conditioning system.
- a control 'interface 111 that allows the user to input a set temperature and the like and provides the user with necessary information
- main controller 112 that adjusts and controls the entire air conditioning system.
- an outdoor unit controller 113 of the heat pump, a gas furnace controller 115 of the gas furnace unit 135, a fan 138 of the fan unit 137, and the like are electrically connected so as to be communicable.
- the main controller 112 is connected to the outdoor unit controller 113 so that bidirectional communication is possible.
- the main controller 112 adjusts the degree of cooling and heating by the heat pump and the degree of heating by the gas furnace unit 135 according to the operating state of the heat pump.
- the main controller 112 performs efficiency priority control.
- This efficiency priority control reduces the total energy consumption efficiency by comparing the energy consumption efficiency of the electric energy of the heat pump with the energy consumption efficiency of the gas furnace 136 of the gas furnace according to the operating state of the heat pump. In this manner, the capacity adjustment of the heat pump compressor 122 and the combustion degree of the gas furnace 136 are adjusted, and a command is issued to the outdoor unit controller 113 and the gas furnace controller 115.
- the control 'interface 111 includes a display 81 for displaying various information and input keys 82 to 85 for allowing the user to input the air conditioning set temperature in the building 101.
- the display 81 displays the current air conditioning set temperature (here 72F) 81a, the current actual temperature in the building 101 (here 72F).
- 81b display of current outside air temperature (here 86F) 81c, display of current fan 138 air flow setting (here, automatic) 81d, display of current air conditioning system mode (here, cooling) 81e, current
- the current outdoor temperature display 81c always receives outdoor temperature information from the outdoor unit controller 113. This is done by the main controller 112.
- the main controller 112 which describes a schedule set for air conditioning set temperature with reference to FIG. 9 and FIG. 10, includes a schedule section (schedule program) 112b, and in accordance with the schedule information stored in the memory 112a, It has the function of operating Ernes 136 and fan 138.
- the control interface 111 has a function of inputting the air conditioning cooling and heating temperature of the building 101 and the air flow rate of the fan unit 137 for each day of the week and time zone.
- Information (schedule information) input in the control interface 111 is sent to the schedule unit 112b of the main controller 112 and stored in the memory 112a.
- the input keys 82 to 85 of the control 'interface 111 shown in Fig. 14 when the menu input key 83 is pressed and the item of schedule set is selected with the input key 85 for operation, the schedule set as shown in Fig. 10 is displayed. The screen appears on display 81.
- the boundary time of each time zone, the cooling set temperature and heating set temperature in each time zone, and the amount of air sent by the fan 138 in each time zone can be input for each day of the week.
- This input can be performed with the input keys 82 to 85.
- an external device 119 such as a personal computer
- the input function of the external device 119 is set. It is also possible to use it. That is, the control interface 111 has a port for connecting an external device 119 such as a personal computer.
- the schedule unit 112b of the main controller 112 instructs the outdoor unit controller 113, the gas furnace controller 115, and the fan 138 of the heat pump based on the information on the set temperature of cooling and heating stored in the memory 112a and the air flow rate of the fan 138. Send Turn on the heat pump, gas furnace 136 and fan 138.
- air conditioning control is performed on a certain day according to the schedule shown in FIG.
- the cooling set temperature is 82F and the heating set temperature 61F in the bedtime
- the cooling set temperature 77F and the heating set temperature 70F in the wake up time
- the cooling set temperature 86F and the heating set temperature 61F in the daytime During the evening hours, the air conditioning system is controlled at a cooling set temperature of 77F and a heating set temperature of 70F.
- the target air-conditioning temperature is not only changed to the air-conditioning set temperature at the predetermined time based on the schedule information.
- the actual temperature in the building 101 when the predetermined time is reached.
- Preliminary control is performed so that is changed to the air conditioning set temperature at that time. This preliminary control will be described later.
- the main controller 112 has a map relating to the availability of demand control as shown in FIG. 11 in its memory 112a.
- the user interface can be entered on the demand control enable / disable set screen shown in FIG. 11 through the control 'interface 111, so that the user can freely determine whether or not demand control is possible in each time zone.
- a map regarding whether or not demand control is possible may be provided to prohibit changes by the user, or restrictions may be imposed on changes by the user.
- the default setting allows demand control during weekdays (Monday-Friday) when people are absent and during normal sleeping hours, and other times and weekends (Saturday, Sunday) Day) will reject demand control.
- the demand control monitors the amount of electric energy consumed by the heat pump in real time and limits the capacity of the compressor 122 so that the amount of energy consumed per unit time does not exceed the upper limit. This is a control to apply a target temperature or temporarily remove the target air conditioning temperature. If demand control is strong during cooling, users in the building 101 may be temporarily uncomfortable. Many people are absent. Many. In addition, when demand control is applied during heating, the main controller 112 sends a command to the gas furnace controller 115 to cause the gas furnace 136 to do the work correspondingly. Therefore, there is no particular problem.
- the schedule unit 112b of the main controller 112 changes the target air-conditioning temperature depending on the time zone based on the information on the cooling and heating set temperatures and the air flow rate of the fan 138 stored in the memory 112a. Furthermore, the schedule unit 112b sets the target air conditioning temperature before the boundary time so that the temperature in the building 101 becomes the set temperature of the next time zone at the boundary time between the current time zone and the next time zone. Perform preliminary control to change to the set temperature for the next time zone. Further, the main controller 112 has a learning function, and adjusts the start time for changing the target air-conditioning temperature in the preliminary control according to the past preliminary control state. This preliminary control will be described with reference to the control flow shown in FIG.
- step S11 the boundary time at which the set temperature changes (the time when the next time zone with a different set temperature starts) tl is confirmed, and the temperature difference ⁇ between the current set temperature and the set temperature after the boundary time tl is obtained.
- a first provisional start time is calculated based on a first map (not shown) from the temperature difference ⁇ ⁇ between the current set temperature and the set temperature after the boundary time tl.
- the correlation between the temperature difference ⁇ and the advance time is determined for each of the cooling and heating. For example, when the temperature difference is 5F during cooling, an advance time of 40 minutes is determined. The time that is earlier than the boundary time tl by the advance time is the first provisional start time.
- step S13 a second temporary start time is calculated from the time At based on a second map (not shown).
- the second map will be described later.
- step S14 the start time of the preliminary control is calculated from the outside air temperature based on a third map (not shown).
- the correction time to be added to the advance time determined in the 1st map is determined for the set temperature and outside air temperature for each of cooling and heating. For example, if the outside air temperature is significantly higher than the set temperature, the correction time of the third map will be longer than usual, and the correction time will be longer!
- step S15 the current time exceeds the start time calculated in step S14. Determine whether or not. If the start time has not been exceeded, the process returns to step S11 and steps SI1 to S14 for determining the start time are performed again. If the start time is exceeded, the process proceeds to step S16, and preliminary control is started.
- the target air conditioning temperature is changed to the set temperature after the boundary time tl, but the temperature in the building 101 such as a house is set to the set temperature after the boundary time tl in advance. Bring it closer.
- Step S16 ends when the temperature in the building 101 such as a house reaches the set temperature after the boundary time tl that is the new target air conditioning temperature.
- step S17 the time At required from the start of the preliminary control in step S16 to the end of the preliminary control is written in the second map.
- the second map has a configuration corresponding to the first map, and is a map that determines the correction time to be added to the advance time determined by the first map. Specifically, in the second map, the correction time is set for each temperature difference ⁇ for both cooling and heating, and the default value of the correction time is 0. Therefore, the second map is updated one after another, and the previous value will disappear due to the newly written value.
- the main controller 112 sends necessary instructions to the outdoor unit controller 113, the gas furnace controller 115, and the fan 138 of the heat pump. .
- step S31 it is determined whether or not the user has input a dehumidifying operation instruction.
- the control interface 111 allows the user to input dehumidifying instructions. Specifically, when the input key 83 shown in FIG. 14 is pressed to open the menu, the start of the dehumidifying operation can be selected. If it is determined in step S31 that a dehumidifying operation instruction has been input, the process proceeds to step S34.
- step S32 it is determined whether or not the force has been set for the hot and humid area. For example, in the case of a hot and humid area such as Florida in the United States, the initial setting in the menu of the control 'interface 111 indicates that the hot and humid area is selected! line Is called. If a hot and humid area has been set in step S32, then in step S33, it is determined whether or not the outside air temperature is below a predetermined value and a predetermined time has elapsed since the previous dehumidifying operation. Is done. When the conditions of both step S32 and step S33 are satisfied, the process proceeds to step S34.
- step S34 the dehumidifying operation is started. Specifically, the main controller 112 sends a command to the outdoor unit controller 113 and the fan 138 of the heat pump to reduce the air flow rate of the fan 138 and increase the capacity of the compressor 122, so that the air in the building 101 is increased.
- the moisture of the room is dewed by dew condensation in the indoor heat exchanger ⁇ 132 and dehumidified.
- step S35 This dehumidifying operation is continued until a predetermined time has elapsed. If it is determined in step S35 that the predetermined time has elapsed, the process proceeds to step S36, the air flow rate of the fan 138 and the capacity of the compressor 122 are restored, and the normal air-conditioning operation is resumed.
- the outdoor unit controller 113 of the heat pump has a failure detection function, and the failure detection unit (failure detection program) 113b detects a failure of the heat pump.
- the values of various sensors are constantly monitored, and when a sensor value during operation or a numerical value calculated by the sensor value deviates from a predetermined range, a fault location or fault state is identified, and an error code, etc.
- Information is transmitted from the outdoor unit controller 113 to the main controller 112. For example, if the state in which the discharge refrigerant pressure does not change while the rotation speed of the compressor 122 is increased continues, it is determined that the compressor 122 has failed.
- the gas furnace controller 115 also has a similar failure function, and when the gas furnace 136 fails, a message to that effect is sent to the main controller.
- the main controller 112 is equipped with a memory 112a that stores contact information (phone number, mail address, etc.) when a heat pump or the like fails.
- a failure signal is received, the display 81 of the control interface 111 fails.
- the display showing is performed. An example of this display is shown in FIG. In FIG. 15, the display 81 displays an error code (here, code L9) 81h and a cause of failure (here, the instantaneous overcurrent of the inverter).
- the contact information in the memory 112a of the main controller 112 is stored in the input key 85 of the control 'interface 111 or a personal computer connected to the control' interface 111 by the installer during the initial setting of the air conditioning system. Input from external device 119.
- the input key 85 if the cursor is moved to the input item and selected on the screen shown in FIG. 18, the keyboard display 8 lk and numeric keypad display 8 lm are displayed as shown in FIG. 19 and FIG. It will stand up on display 81 and you can enter letters and numbers.
- a main controller 112 different from the control unit interface 111 is provided.
- a configuration is adopted in which bidirectional communication is performed between the main controller 112 and the outdoor unit controller 113 of the heat pump. For this reason, data such as the operation state of the heat pump can be obtained, and the main controller 112 can perform various fine control operations on the heat pump and the gas furnace 136.
- the main controller 112 performs the efficiency priority control in which the higher efficiency is preferentially activated. For this reason, the total energy consumption can be reduced compared to the conventional case.
- the dehumidifying operation is automatically performed when the humidity is high based on the detection result of the humidity sensor or the like.
- the dehumidifying operation is performed by the control interface 111. Since the dehumidification control is performed when the instruction is input (see FIG. 13), the user's comfort level in the building 101 is prevented from being inadvertently impaired.
- the dehumidifying operation is periodically performed when the outside temperature falls, so that efficient dehumidification is possible. Will come to be.
- the air volume of the fan 138 is reduced and the capacity of the compressor 122 is increased, so that the temperature suddenly falls and the user in the building 101 feels uncomfortable.
- the amount of dehumidification can be secured.
- the start time of the preliminary control based on the schedule is corrected by the second map that reflects the state of the previous preliminary control. Therefore, as in the prior art, at the initial time of the next time zone of the schedule, the probability that the temperature in the building 101 will generally reach the set temperature increases.
- the display 81 of the control 'interface 111 displays the outside air temperature measured by the outside air temperature sensor 127 of the heat pump (see Fig. 14).
- the user can make a judgment as to whether or not the power is affected by the outside air temperature.
- the contact information can be easily displayed on the display 81 of the control 'interface 111 (see FIGS. 15 and 17). This saves you the trouble of checking the destination and ensures that you can contact the correct contact.
- a force that employs the gas furnace unit 135 having the gas furnace 136 as a heating device other than the heat pump can be replaced with an electric heater that generates heat by electric energy.
- the heat pump, the gas furnace unit 135 and the fan unit 137 make up the air conditioning system, in addition to the humidifying unit, the heat exchangeable ventilation unit (ventilator), the filter, etc. It is also possible to cover a dust collection unit having a hood, a zone damper incorporated in the duct 151, and the like.
- the main controller 112 performs efficiency priority control.
- cost priority control the heat energy consumed by the heat pump per unit time and the gas energy consumed by the gas furnace 136 per unit time in order to produce the same heating capacity according to the operation state of the heat pump. And adjusting the capacity of the heat pump compressor 122 and the degree of combustion of the gas furnace 136 to reduce the total cost, and the outdoor unit controller 113 and the gas furnace controller We give a command to 115.
- the input keys 82 to 85 of the control' interface 111 and the external device 119 connected to the control 'interface 111 (FIG. 18).
- the control interface 111 can incorporate a reading device for a recording medium such as a memory card, and the memory card can be used as an input means.
- the main controller 112 is accommodated in the gas furnace unit 135.
- the main controller 112 is disposed in the fan unit 137 even in the indoor heat pump unit 131. Even if there is, go out of indoor unit 130!
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CA002647991A CA2647991A1 (en) | 2006-04-17 | 2007-04-16 | Air conditioning system |
US12/296,880 US20100065245A1 (en) | 2006-04-17 | 2007-04-16 | Air conditioning system |
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JP2006113094A JP5103778B2 (ja) | 2006-04-17 | 2006-04-17 | 空調システム |
JP2006-113094 | 2006-04-17 |
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WO2007123092A1 true WO2007123092A1 (ja) | 2007-11-01 |
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PCT/JP2007/058295 WO2007123092A1 (ja) | 2006-04-17 | 2007-04-16 | 空調システム |
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US (1) | US20100065245A1 (ja) |
JP (1) | JP5103778B2 (ja) |
CA (2) | CA2737852C (ja) |
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Also Published As
Publication number | Publication date |
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US20100065245A1 (en) | 2010-03-18 |
JP2007285593A (ja) | 2007-11-01 |
CA2647991A1 (en) | 2007-11-01 |
CA2737852C (en) | 2012-08-28 |
CA2737852A1 (en) | 2007-11-01 |
JP5103778B2 (ja) | 2012-12-19 |
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