WO2015125305A1 - Système de source de chaleur - Google Patents

Système de source de chaleur Download PDF

Info

Publication number
WO2015125305A1
WO2015125305A1 PCT/JP2014/054344 JP2014054344W WO2015125305A1 WO 2015125305 A1 WO2015125305 A1 WO 2015125305A1 JP 2014054344 W JP2014054344 W JP 2014054344W WO 2015125305 A1 WO2015125305 A1 WO 2015125305A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat source
temperature
constant speed
speed compressor
air
Prior art date
Application number
PCT/JP2014/054344
Other languages
English (en)
Japanese (ja)
Inventor
拓哉 紺谷
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2014/054344 priority Critical patent/WO2015125305A1/fr
Publication of WO2015125305A1 publication Critical patent/WO2015125305A1/fr

Links

Images

Classifications

    • 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
    • F25B49/022—Compressor control 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
    • F24F11/86—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
    • 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
    • F24F11/70—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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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

Definitions

  • the present invention relates to a heat source system that performs high-efficiency operation.
  • the constant speed compressor Since the constant speed compressor has a constant rotation speed and continues to be cooled once it is started, it is necessary to adjust the temperature of the air-conditioning target space (for example, in the refrigerator) by repeating start / stop. . Therefore, in the heat source system described in Patent Document 1, the start / stop of the compressor is controlled based on the pressure value detected by the pressure sensor provided on the low pressure side (if the pressure value is below a predetermined value, the compressor is The compressor is started if the pressure value is equal to or greater than a predetermined value), and the temperature of the air-conditioned space is adjusted.
  • the required capacity of the heat source system varies depending on the size of the space to be air-conditioned and the object to be air-conditioned (for example, water or ice). Therefore, a plurality of compressors are provided, and the start / stop of the plurality of compressors is controlled based on the pressure value detected by the pressure sensor, so that different required capacities can be accommodated.
  • the present invention has been made to solve the above-described problems, and an object thereof is to provide a heat source system capable of performing high-efficiency operation.
  • a heat source system includes a heat source device including a constant speed compressor, a control unit that controls the constant speed compressor, and a temperature sensor that detects a temperature of an air-conditioning target space, and the control unit includes: The constant speed compressor is started or stopped so that the temperature of the air-conditioning target space falls within the range of the upper limit value and lower limit value of the target temperature set in advance.
  • the heat source system of the present invention not the pressure value on the low pressure side of the constant speed compressor but the temperature of the air-conditioning target space is detected, and the start / stop of the constant speed compressor is controlled based on the temperature.
  • the start / stop of the constant speed compressor can be controlled at an appropriate timing, and high-efficiency operation can be performed.
  • FIG. 1 It is a block diagram of the heat source system which concerns on Embodiment 1 of this invention. It is an example of the refrigerant circuit of the heat source machine which comprises the heat source system which concerns on this Embodiment 1.
  • FIG. It is a figure which shows control of the heat-source system which concerns on Embodiment 1 of this invention. It is a figure which shows control of the heat-source system which concerns on Embodiment 2 of this invention. It is a flowchart which shows control of the heat-source system which concerns on Embodiment 2 of this invention. It is a figure which shows a rotation pattern when operating three heat source machines of the heat source system which concerns on Embodiment 3 of this invention.
  • FIG. 1 is a configuration diagram of a heat source system according to Embodiment 1 of the present invention.
  • the heat source system according to the first embodiment includes four heat source devices, one of which is a parent device 10 and the other three are child devices 20a, 20b, and 20c (hereinafter, (They may be collectively referred to as the slave unit 20). Since each heat source device includes the communication unit 5 such as a serial communication transceiver, the parent device 10 and the child device 20 can communicate bidirectionally. Basically, the parent device 10 is the child device. 20 is instructed, and the slave unit 20 operates according to the content of the instruction.
  • Each heat source machine includes a constant speed compressor 1.
  • the heat source system includes a first temperature sensor 8 that detects a temperature Ta1 of a space to be air-conditioned (for example, inside a refrigerator) and a second temperature sensor 9 that detects an outside air temperature Ta2.
  • the heat source system is configured with four heat source units, but is not limited thereto, and may be configured with a larger number or a smaller number. Also good.
  • the first temperature sensor 8 corresponds to a “temperature sensor” of the present invention.
  • FIG. 2 is an example of a refrigerant circuit of a heat source machine constituting the heat source system according to the first embodiment.
  • the heat source machine has a refrigerant circuit in which a constant speed compressor 1, a heat source side heat exchanger 2, an expansion valve 3, and a use side heat exchanger 4 are sequentially connected by piping, and the refrigerant circulates.
  • the heat source machine is comprised by the microcomputer, for example, and is provided with the control part 6 which performs each control of a heat source machine. Next, the operation of the heat source machine will be described.
  • the gas refrigerant that has become high temperature and high pressure by the constant speed compressor 1 flows into the heat source side heat exchanger 2.
  • the heat source side heat exchanger 2 exchanges heat with the outdoor air, dissipates heat to the outdoor air, and is condensed to become a high-temperature and high-pressure liquid refrigerant.
  • the refrigerant flowing out of the heat source side heat exchanger 2 is expanded by the expansion valve 3 to become a low-temperature / low-pressure two-phase refrigerant.
  • This two-phase refrigerant flows into the use side heat exchanger 4. And it heat-exchanges with the air of the air-conditioning object space with the use side heat exchanger 4, cools by absorbing heat from the air, and becomes itself a low-temperature and low-pressure gas refrigerant. Thereafter, the gas refrigerant flowing out from the use side heat exchanger 4 returns to the constant speed compressor 1.
  • the constant-speed compressor 1 has a constant rotation speed, and once activated, the air-conditioning target space continues to be cooled. Therefore, in order to adjust the temperature of the air-conditioning target space, the constant-speed compressor 1 of the heat source device is activated. Need to control / stop. Therefore, in the first embodiment, the start / stop of the constant speed compressor 1 of the heat source unit is controlled based on the temperature Ta1 detected by the first temperature sensor 8, and the air conditioning target space (for example, in the refrigerator) is controlled. Adjust the temperature. In the first embodiment, it is assumed that the temperature of the air-conditioning target space is adjusted by operating one heat source unit (only the master unit 10) and starting or stopping the constant speed compressor 1.
  • the start / stop of the constant speed compressor 1 of the heat source unit is controlled so that the air-conditioning target space becomes a required temperature (hereinafter referred to as a target temperature).
  • a target temperature a required temperature
  • the upper limit value 50a of the target temperature is set as the stop timing of the constant speed compressor 1
  • the lower limit value 50b of the target temperature is set as the start timing of the constant speed compressor 1.
  • FIG. 3 is a diagram showing control of the heat source system according to Embodiment 1 of the present invention.
  • the start / stop of the constant speed compressor 1 of the heat source unit is controlled so that the temperature of the air-conditioning target space falls within the range of the upper limit value 50a and the lower limit value 50b of the target temperature.
  • the air-conditioning target space is cooled by starting up the constant speed compressor 1 of the heat source unit, and approaches the lower limit value 50b of the target temperature as time passes as shown in FIG.
  • the base unit 10 monitors the temperature Ta1 of the air-conditioning target space detected by the first temperature sensor 8.
  • the master unit 10 stops the constant speed compressor 1. Then, this time approaches the upper limit 50a of the target temperature as time passes as shown in FIG.
  • the master unit 10 activates the constant speed compressor 1.
  • the temperature of the air-conditioning target space can be adjusted within the range of the upper limit value 50a and the lower limit value 50b of the target temperature.
  • FIG. 10 is a diagram illustrating control of a conventional heat source system.
  • a pressure sensor (not shown) is provided on the low pressure side of the constant speed compressor 1, and the pressure value detected by the pressure sensor is converted into an evaporation temperature, and is constant based on the evaporation temperature.
  • the temperature of the air-conditioning target space was adjusted by controlling the start / stop of the high speed compressor 1.
  • the constant speed compressor 1 cannot be started or stopped at an appropriate timing, and the temperature of the air-conditioning target space may not be adjusted within the range of the upper limit value 50a and the lower limit value 50b of the target temperature. .
  • the number of times of starting / stopping the constant speed compressor 1 increases and becomes constant.
  • the high-speed compressor 1 has been uselessly loaded. As a result, comfort is impaired, driving efficiency is deteriorated, and product is further deteriorated.
  • the start / stop of the constant speed compressor 1 of the heat source unit is controlled at an appropriate timing, and the air conditioning target space is By adjusting the temperature, it is possible to contribute to energy saving through comfortable and high-efficiency operation, and to further suppress deterioration of the product.
  • Embodiment 2 will be described, the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
  • the heat source system is required depending on the size of the air-conditioning target space and the object to be cooled (for example, water or ice).
  • the cooling capacity is different.
  • the outside air temperature Ta2 when the outside air temperature Ta2 is low, there is no problem because the discharge temperature of the constant speed compressor 1 is low.
  • the outside air temperature Ta2 when the outside air temperature Ta2 is high, the discharge temperature of the constant speed compressor 1 is high, so that the discharge temperature is to be lowered.
  • the cooling capacity is deprived, and depending on the horsepower of the heat source machine, there is a case where the cooling capacity is insufficient with one unit. Therefore, in the heat source system according to the second embodiment, control is performed to increase the number of operating heat source units to an appropriate number in accordance with the required cooling capacity.
  • FIG. 4 is a diagram showing control of the heat source system according to Embodiment 2 of the present invention.
  • the inclination is obtained from the temperature change of the air-conditioning target space with respect to time.
  • This inclination varies depending on various conditions such as the size of the air-conditioning target space, the object to be cooled (for example, water or ice), the outside air temperature Ta2, and the horsepower of the heat source unit.
  • a reference inclination hereinafter referred to as a reference inclination 60
  • a reference inclination 60 is obtained in advance from these conditions, and a plurality of inclinations are stored in a storage unit (not shown), and one reference inclination 60 selected from them and the first temperature are selected.
  • An inclination (hereinafter referred to as an actual inclination 70) obtained by a calculation unit (not shown) is compared with the temperature Ta1 of the air-conditioning target space detected by the sensor 8, and the number of units is determined according to the result.
  • standard inclination 60 shall be selected according to a cooling target object.
  • the storage unit and the calculation unit may be the same as the control unit 6 or may be separate.
  • FIG. 4B shows the actual inclination 70 and the reference inclination 60 in the case of single-unit operation, but the actual inclination 70 is larger than the reference inclination 60, and the cooling capacity is insufficient.
  • FIG. 4C shows the actual inclination 70 and the reference inclination 60 in the case of two-unit operation, but the difference between the two is smaller than that in FIG. 4B, but the actual inclination 70 is the reference. It can be seen that the slope is larger than 60 and the cooling capacity is still insufficient.
  • FIG. 4D shows the actual inclination 70 and the reference inclination 60 in the case of operating three units, but the actual inclination 70 is smaller than the reference inclination 60, and it can be seen that the cooling capacity is sufficient. . Therefore, in this case, the number of operating heat source units is determined to be three.
  • FIG. 5 is a flowchart showing control of the heat source system according to Embodiment 2 of the present invention.
  • base unit 10 determines whether or not temperature Ta1 of the air-conditioning target space detected by first temperature sensor 8 is equal to or higher than the upper limit value of the target temperature (S1). And if it is Yes, the constant speed compressor 1 of the main
  • the actual inclination 70 is larger than the reference inclination 60 (Yes in S3), it is determined that the cooling capacity is insufficient, and the number of operating the constant speed compressor 1 of the slave unit 20 is increased (S4). It is determined whether or not the actual inclination 70 is larger than the reference inclination 60 (S3). On the other hand, if the actual inclination 70 is not larger than the reference inclination 60 (No in S3), it is determined whether the actual inclination 70 is equal to or less than the reference inclination 60 (S5).
  • the number of operating units is increased to an appropriate number according to the required cooling capacity, and the start / stop of the constant speed compressor 1 of the heat source unit is controlled based on the temperature Ta1 detected by the first temperature sensor 8,
  • the temperature of the air-conditioning target space it is possible to contribute to energy saving with comfortable and high-efficiency operation, and to further suppress deterioration of the product.
  • Embodiment 3 FIG.
  • the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
  • the start / stop of the constant speed compressor 1 of the heat source unit is controlled and the temperature of the air-conditioning target space is adjusted, but the start or stop of the constant speed compressor 1 is controlled. Since the load is applied every time it is performed, the life of the heat source unit is shortened as the start / stop is repeated. Therefore, in the heat source system according to Embodiment 3, control is performed to reduce the load per unit by rotating the heat source unit to be operated and distributing the load except when all the heat source units are operating. I do.
  • FIG. 6 is a diagram showing a rotation pattern when three heat source units of the heat source system according to Embodiment 3 of the present invention are operated
  • FIG. 7 is a heat source unit of the heat source system according to Embodiment 3 of the present invention
  • FIG. 8 is a diagram showing a rotation pattern when one heat source unit of the heat source system according to Embodiment 3 of the present invention is operated. 6 to 8, the master unit number is 1, the slave unit 20a is 2, the slave unit 20b is 3, and the slave unit 20c is 4.
  • the calculation unit (not shown) calculates the operation time and the number of activations of the constant speed compressor 1 of each heat source unit, and holds it in a storage unit (not shown). Then, the heat source machine to be operated is rotated so that those values are equal in each heat source machine.
  • the storage unit and the calculation unit may be the same as the control unit 6 or may be separate.
  • the constant speed compressor 1 of the heat source machine (heat source machine with a circle) shown in the operation pattern (1) is operated as shown in FIG. Then, when the operation time has elapsed for a predetermined time, the operation is switched to the heat source machine shown in the operation pattern (2). When a predetermined time further elapses, the heat source machine shown in the operation pattern (3) is switched. Further, when the predetermined time has passed, the operation pattern (4) is again followed by the operation pattern (1). Rotate the heat source machine to be operated as described above.
  • operate was set as the operation time passed for the predetermined time, it is good also as starting a predetermined number of times, and good also as both.
  • the master unit 10 grasps it and performs rotation corresponding to it. For example, when the slave unit 20b with the heat source number 3 in FIG. 6 cannot be operated, the operation pattern (2) is skipped after the operation pattern (1), and the operation pattern (3) is obtained. Others are the same as above. Further, when it is necessary to operate two heat source devices shown in FIG. 7 and when it is necessary to operate one heat source device shown in FIG. 8, it is necessary to operate three heat source devices. Since it is the same as that of FIG.
  • the heat source unit to be operated is rotated, and the start / stop of the constant speed compressor 1 of the heat source unit is controlled based on the temperature Ta1 detected by the first temperature sensor 8, and the temperature of the air-conditioning target space is adjusted.
  • the load applied to the heat source device is dispersed, the load applied per unit can be reduced. Therefore, it is possible to contribute to energy saving by comfortable and high-efficiency operation, and to further suppress deterioration of the product.
  • Embodiment 4 FIG.
  • the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
  • FIG. 9 is an example of a refrigerant circuit of the heat source system according to the fourth embodiment.
  • each heat source machine has an independent refrigerant circuit as shown in FIG.
  • the constant speed compressors 1a to 1d of the respective heat source units are connected in parallel as shown in FIG. 9, and the constant speed compressors 1a to 1d and the heat source side heat exchanger are connected.
  • the expansion valve 3 and the use side heat exchanger 4 are sequentially connected by piping, and have a refrigerant circuit in which the refrigerant circulates.
  • the heat source side heat exchanger 2, the expansion valve 3, and the use side heat exchanger 4 are shared by each heat source machine. Further, one heat source unit is shared by the control unit 6. Even with such a configuration, the same effect can be obtained by performing the same processing as in the first to third embodiments. In addition, about the control part 6, the structure provided with the control part 6 for every heat source machine may be sufficient.
  • a four-way valve is provided in the refrigerant circuit of FIGS. 2 and 10 to reverse the refrigerant flow.
  • the constant speed compressor 1 is started when the temperature Ta1 of the air conditioning target space reaches the upper limit value 50a of the target temperature.
  • the constant speed compressor 1 is started.
  • the reference inclination 60 and the actual inclination 70 are compared. If the actual inclination 70 is larger than the reference inclination 60, the operation of the constant speed compressor 1 is performed.
  • the number of units is increased, and the process is performed until the number is less than that. However, in the case where the air-conditioning target space is warmed, if the actual inclination 70 is smaller than the reference inclination 60, the number of operating constant-speed compressors 1 is increased. The process is performed until it becomes.

Landscapes

  • 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)

Abstract

L'invention concerne un système de source de chaleur qui comprend des unités de source de chaleur pourvues chacune d'un compresseur à vitesse constante (1), une unité de commande (6) permettant de commander le compresseur à vitesse constante (1), et un capteur de température permettant de détecter la température d'un espace à climatiser. L'unité de commande (6) démarre ou arrête le compresseur à vitesse constante (1) de sorte que la température de l'espace à climatiser est dans une plage prédéfinie entre une valeur supérieure (50a) et une valeur inférieure (50b) de la température cible.
PCT/JP2014/054344 2014-02-24 2014-02-24 Système de source de chaleur WO2015125305A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/054344 WO2015125305A1 (fr) 2014-02-24 2014-02-24 Système de source de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/054344 WO2015125305A1 (fr) 2014-02-24 2014-02-24 Système de source de chaleur

Publications (1)

Publication Number Publication Date
WO2015125305A1 true WO2015125305A1 (fr) 2015-08-27

Family

ID=53877838

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/054344 WO2015125305A1 (fr) 2014-02-24 2014-02-24 Système de source de chaleur

Country Status (1)

Country Link
WO (1) WO2015125305A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017129312A (ja) * 2016-01-20 2017-07-27 三菱電機株式会社 給湯システム

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934830Y2 (ja) * 1980-02-22 1984-09-27 ダイキン工業株式会社 空気調和機
JPH0763395A (ja) * 1993-08-30 1995-03-07 Noritz Corp 空気調和機
JPH0745952B2 (ja) * 1985-06-03 1995-05-17 松下冷機株式会社 空気調和機の制御装置
JPH0820093B2 (ja) * 1987-02-27 1996-03-04 阪急電鉄株式会社 空調制御装置
JP2002168500A (ja) * 2000-11-29 2002-06-14 Mitsubishi Electric Corp 空気調和機および圧縮機制御方法
JP2004232934A (ja) * 2003-01-29 2004-08-19 Fujitsu General Ltd マルチ型空気調和機の制御方法
JP2010105466A (ja) * 2008-10-29 2010-05-13 Denso Corp 車両用空調装置
JP2011106699A (ja) * 2009-11-13 2011-06-02 Mitsubishi Heavy Ind Ltd 熱源システム
JP2012117698A (ja) * 2010-11-29 2012-06-21 Ebara Refrigeration Equipment & Systems Co Ltd ターボ冷凍機システム

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934830Y2 (ja) * 1980-02-22 1984-09-27 ダイキン工業株式会社 空気調和機
JPH0745952B2 (ja) * 1985-06-03 1995-05-17 松下冷機株式会社 空気調和機の制御装置
JPH0820093B2 (ja) * 1987-02-27 1996-03-04 阪急電鉄株式会社 空調制御装置
JPH0763395A (ja) * 1993-08-30 1995-03-07 Noritz Corp 空気調和機
JP2002168500A (ja) * 2000-11-29 2002-06-14 Mitsubishi Electric Corp 空気調和機および圧縮機制御方法
JP2004232934A (ja) * 2003-01-29 2004-08-19 Fujitsu General Ltd マルチ型空気調和機の制御方法
JP2010105466A (ja) * 2008-10-29 2010-05-13 Denso Corp 車両用空調装置
JP2011106699A (ja) * 2009-11-13 2011-06-02 Mitsubishi Heavy Ind Ltd 熱源システム
JP2012117698A (ja) * 2010-11-29 2012-06-21 Ebara Refrigeration Equipment & Systems Co Ltd ターボ冷凍機システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017129312A (ja) * 2016-01-20 2017-07-27 三菱電機株式会社 給湯システム

Similar Documents

Publication Publication Date Title
EP2102569B1 (fr) Procédés et systèmes de commande d'une climatisation fonctionnant en mode refroidissement naturel
CN101634479B (zh) 空调机的控制方法
CN102865646B (zh) 空气调节器
US11181304B2 (en) Chilling unit and temperature control system using water circulation
WO2013145844A1 (fr) Système de source de chaleur, dispositif pour le contrôler
JP2016017725A (ja) 空気調和機
WO2018193537A1 (fr) Climatiseur et procédé de commande pour la vitesse de ventilateur d'un climatiseur
JP6141089B2 (ja) 冷温水供給システム及び空気調和装置
WO2012090579A1 (fr) Système de source de chaleur et procédé de commande pour celui-ci
JP5316456B2 (ja) 空気調和装置
JP2019521276A (ja) スクリュー圧縮機を有するチラーの容量制御
JP2016044831A (ja) 熱媒体循環システム
JPWO2016016918A1 (ja) 空気調和装置
JP5779527B2 (ja) 空気調和機
JP6022291B2 (ja) 空気調和機
JP2011202891A (ja) 空気調和装置
JP5900463B2 (ja) 空気調和システム
JP6570748B2 (ja) 空気調和機
WO2015125305A1 (fr) Système de source de chaleur
JP2006234295A (ja) マルチ型空気調和装置
CN111623548A (zh) 空调系统和控制方法
JP5517891B2 (ja) 空気調和装置
JP2011226714A (ja) 空気調和装置
JPWO2019058464A1 (ja) 空気調和装置
JP2007322037A (ja) 空気調和機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14882968

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 14882968

Country of ref document: EP

Kind code of ref document: A1