WO2022264199A1 - 温度調節装置 - Google Patents
温度調節装置 Download PDFInfo
- Publication number
- WO2022264199A1 WO2022264199A1 PCT/JP2021/022475 JP2021022475W WO2022264199A1 WO 2022264199 A1 WO2022264199 A1 WO 2022264199A1 JP 2021022475 W JP2021022475 W JP 2021022475W WO 2022264199 A1 WO2022264199 A1 WO 2022264199A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- control device
- temperature control
- heat medium
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/003—Indoor unit with water as a heat sink or heat source
-
- 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
- F25B2313/031—Sensor arrangements
- F25B2313/0314—Temperature sensors near the indoor heat exchanger
-
- 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
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
Definitions
- the present disclosure relates to a temperature control device that controls the temperature of an object.
- a temperature control device that controls the temperature of an object using a heat medium such as water or brine that has exchanged heat with a refrigerant (see Patent Document 1, for example).
- a temperature control device includes a compressor that compresses the refrigerant, an intermediate heat exchanger that exchanges heat between the heat medium and the refrigerant, and a heat source side heat exchanger that exchanges heat between the refrigerant and outdoor air.
- the temperature control device causes the refrigerant heated to a high temperature by the operation of the compressor to flow into the intermediate heat exchanger, and the heat medium and the refrigerant are heat-exchanged in the intermediate heat exchanger. Heat is applied, and the object is heated by the heat medium after heating.
- frost formation may occur on the heat source side heat exchanger, for example, when the outside air temperature is low. Frost formation can reduce the efficiency of heat exchange in the heat source side heat exchanger.
- the temperature control device described in Patent Document 1 performs a defrosting operation to remove frost in the heat source side heat exchanger. In the defrosting operation, the temperature control device described in Patent Document 1 circulates the refrigerant in the refrigerant circuit in a direction opposite to that during target heating.
- the heat source side heat exchanger functions as a condenser
- the intermediate heat exchanger functions as an evaporator. Therefore, during the defrosting operation, the refrigerant releases heat to the outdoor air in the heat source side heat exchanger, flows into the intermediate heat exchanger, and absorbs heat from the heat medium in the intermediate heat exchanger. Therefore, the temperature of the heat medium is lowered, and the temperature of the target is accordingly lowered. Therefore, the user's comfort may be impaired.
- the temperature of the heat medium may be low, and the target temperature quickly rises to the temperature desired by the user. and user comfort may be compromised.
- the present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide a temperature control device that allows a user to adjust the temperature of a heat medium and suppresses a decrease in the comfort level of the user. .
- a temperature control device is a temperature control device that adjusts the temperature of an object, comprising a load device that heats the target with a heat medium flowing through a heat medium pipe, and supplying the heated heat medium to the load device.
- a heat source device wherein the heat source device is connected to the compressor by a compressor that compresses a refrigerant, and a refrigerant pipe that circulates the refrigerant, and a heat source side heat exchange that exchanges heat between the refrigerant and air.
- an intermediate heat exchanger connected to the compressor by the refrigerant pipe and to the load device by the heat medium pipe to exchange heat between the refrigerant and the heat medium;
- a target heating operation that is connected to the compressor and heats the target so that the refrigerant discharged from the compressor flows into the heat source side heat exchanger during defrosting operation of the heat source side heat exchanger a flow path switching device for switching a flow path of the refrigerant so that the refrigerant discharged from the compressor flows into the intermediate heat exchanger at a time; and a heat medium temperature for acquiring temperature information indicating the temperature of the heat medium.
- the temperature adjustment device includes an input unit that receives instruction information regarding a preliminary heating operation for controlling the temperature of the heat medium to a corrected target temperature higher than the target temperature during the target heating operation; a processing unit that controls the temperature control device based on the temperature information so as to perform the preheating operation according to the information.
- the input unit receives instruction information regarding the preheating operation.
- the preheating operation is an operation for controlling the temperature of the heat medium to a corrected target temperature higher than the target temperature.
- the processing unit controls the temperature control device to perform the preheating operation according to the instruction information. Therefore, the user can adjust the temperature of the heat medium by inputting instruction information. Therefore, the temperature control device can suppress reduction in user's comfort level.
- FIG. 1 is a schematic diagram showing a configuration example of a temperature control device according to Embodiment 1;
- FIG. 2 is a block diagram illustrating constituent elements of the temperature control device according to Embodiment 1;
- FIG. 4 is a flowchart illustrating the flow of processing relating to preheating operation by the temperature control device according to Embodiment 1.
- FIG. 9 is a flow chart illustrating the flow of processing relating to preheating operation by the temperature control device according to Embodiment 2.
- FIG. 1 is a schematic diagram showing a configuration example of a temperature control device according to Embodiment 1.
- the temperature adjustment device 100 adjusts the temperature of indoor air or the temperature of water supplied indoors.
- air, water, or the like, which is subject to temperature control by the temperature control device 100 may be referred to as a target.
- a temperature control device 100 has a load device 1 and a heat source device 2 .
- the load device 1 is an indoor unit and the heat source device 2 is an outdoor unit.
- the load device 1 and the heat source device 2 are connected by a heat medium pipe 4 through which a heat medium flows, forming a heat medium circuit 5 for circulating the heat medium.
- the heat medium include water or brine.
- the heat medium circuit 5 is provided with a pump 6 for circulating the heat medium in the heat medium circuit 5 .
- the load device 1 heats the target with a heat medium.
- the load device 1 includes a load-side heat exchanger 11 inside the load-side housing 10 and a load-side control device 12 inside or outside the load-side housing 10 .
- the load device 1 according to Embodiment 1 includes a target temperature sensor 13 that measures the temperature of a target. Note that FIG. 1 illustrates a case where the load device 1 includes the target temperature sensor 13 inside the load-side housing 10 , but the load device 1 includes the target temperature sensor 13 outside the load-side housing 10 . Anything is fine.
- the load-side heat exchanger 11 causes heat exchange between the object and the heat medium.
- the load-side control device 12 controls the load equipment 1 .
- the load device 1 is an indoor unit of an air conditioner
- the load device 1 includes a load-side blower that guides indoor air to the load-side heat exchanger 11 .
- the load-side controller 12 controls the operating frequency of the load-side blower.
- the load device 1 may include a two-way valve for adjusting the flow rate of the heat medium.
- the load-side control device 12 controls the two-way valve and adjusts the opening of the two-way valve.
- the load-side control device 12 may be a remote controller that receives instructions from the user.
- the load-side control device 12 is provided in the load-side housing 10 and controls the load device 1 in accordance with an instruction directly input from the user or an instruction received from the user via a remote controller. Anything is fine.
- the target temperature sensor 13 measures the temperature of the air taken in from the indoor space when the temperature control device 100 is, for example, an air conditioner.
- the heat source device 2 heats by exchanging heat between the heat medium and the refrigerant.
- the heat source device 2 supplies the heated heat medium to the load device 1 through the heat medium pipe 4 .
- the heat source device 2 includes a heat source side controller 21, a compressor 22, an intermediate heat exchanger 23, an expansion valve 24, a heat source side blower 25, a heat source side heat exchanger 26, and a flow path switching device in a heat source side housing 20. 27.
- the compressor 22, the intermediate heat exchanger 23, the expansion valve 24, the heat source side heat exchanger 26, and the flow path switching device 27 are sequentially connected by a refrigerant pipe 28 to form a refrigerant circuit 29 in which the refrigerant circulates. ing.
- the refrigerant pipe 28 on the inlet side of the heat source side heat exchanger 26 is provided with the inlet side refrigerant temperature sensor 30 for measuring the temperature of the refrigerant flowing through the refrigerant pipe 28 .
- an outlet-side refrigerant temperature sensor 31 that measures the temperature of the refrigerant flowing through the refrigerant pipe 28 is provided on the refrigerant pipe 28 on the outlet side of the heat source-side heat exchanger 26 .
- the refrigerant pipe 28 on the inlet side of the heat source side heat exchanger 26 is the refrigerant pipe 28 on the side where the refrigerant flows into the heat source side heat exchanger 26 when the temperature control device 100 performs an operation to heat a target.
- the refrigerant pipe 28 on the outlet side of the heat source side heat exchanger 26 is the refrigerant pipe 28 on the side where the refrigerant flows out from the heat source side heat exchanger 26 when the temperature control device 100 performs an operation to heat a target. Point. Below, the operation in which the temperature control device 100 heats the target may be referred to as the target heating operation.
- the intermediate heat exchanger 23 is connected to the load equipment 1 via the heat medium pipe 4 and arranged in the heat medium circuit 5 .
- the heat medium temperature sensor 32 that measures the temperature of the heat medium flowing through the heat medium pipe 4 is provided in the heat medium pipe 4 on the outlet side of the intermediate heat exchanger 23 .
- the heat medium temperature sensor 32 is an example of a heat medium temperature acquisition device that acquires temperature information indicating the temperature of the heat medium flowing out of the intermediate heat exchanger 23 .
- the measurement result of the heat medium temperature sensor 32 is an example of temperature information.
- the heat medium pipe 4 on the inlet side of the intermediate heat exchanger 23 may be provided with another heat medium temperature sensor (not shown) for measuring the temperature of the heat medium flowing into the intermediate heat exchanger 23 .
- the heat source side control device 21 is connected to the compressor 22, the expansion valve 24, the heat source side blower 25, and the flow path switching device 27 by a communication line (not shown), and controls them. Specifically, the heat source side control device 21 transmits a control signal to at least one of the compressor 22 , the expansion valve 24 , the heat source side blower 25 and the flow path switching device 27 . Any one of the compressor 22, the expansion valve 24, the heat source side blower 25, and the flow path switching device 27 that has received the control signal operates based on the control signal. At least one of the compressor 22, the expansion valve 24, the heat source side blower 25, and the flow path switching device 27 may perform wireless communication with the heat source side control device 21, and receive the control signal by wireless communication. You may
- the heat source side control device 21 communicates with the load side control device 12 by wire or wirelessly.
- the heat source side control device 21 communicates with the heat medium temperature sensor 32 by wire or wirelessly, and acquires the measurement result from the heat medium temperature sensor 32 .
- the heat source side control device 21 performs wired communication or wireless communication with the pump 6 to control the pump 6 .
- the compressor 22 sucks refrigerant from the refrigerant pipe 28 , compresses the sucked refrigerant, and discharges the compressed refrigerant to the refrigerant pipe 28 .
- Compressor 22 in Embodiment 1 can change the operating frequency based on a control signal received from heat source side control device 21 .
- a specific example of control processing of the operating frequency of the compressor 22 by the heat source side control device 21 will be described below.
- a target temperature of the heat medium flowing out from the heat source device 2 is set in the heat source side control device 21 in the first embodiment.
- the heat source side control device 21 determines the operating frequency of the compressor 22 based on the deviation between the temperature measured by the heat medium temperature sensor 32 and the target temperature, and transmits a control signal indicating the determined operating frequency to the compressor 22. do.
- the heat source side control device 21 may be one in which the target temperature of the heat medium is set, or may be one that calculates the target temperature. In this case, the heat source side control device 21 acquires the measurement result from the target temperature sensor 13 . The heat source side control device 21 may acquire the measurement result directly from the target temperature sensor 13 or may acquire the measurement result via the load side control device 12 . Further, the heat source-side control device 21 acquires from the load-side control device 12 the target set temperature set in the load-side control device 12 by the user. Then, the heat source side control device 21 calculates the target temperature of the heat medium based on the obtained temperature of the object and the set temperature. Note that the load device 1 does not need to include the target temperature sensor 13 when the heat source side control device 21 does not calculate the target temperature.
- the intermediate heat exchanger 23 is, for example, a plate heat exchanger or the like, and exchanges heat between the refrigerant and the heat medium. During the target heating operation, the high-temperature refrigerant discharged from the compressor 22 flows into the intermediate heat exchanger 23, and the heat medium absorbs heat from the refrigerant.
- the expansion valve 24 decompresses and expands the inflowing refrigerant.
- the expansion valve 24 is, for example, an electric expansion valve capable of adjusting the flow rate of refrigerant.
- the heat source side blower 25 includes a heat source side drive source 250 such as a fan motor and a heat source side fan 251 such as a propeller fan, turbo fan, or sirocco fan, and blows outdoor or outdoor air to the heat source side heat exchanger 26. lead.
- the heat source side heat exchanger 26 exchanges heat between the air supplied by the heat source side blower 25 and the refrigerant.
- the heat source side blower 25 sends the air after heat exchange in the heat source side heat exchanger 26 to the outdoors or the like.
- frost may occur in the heat source side heat exchanger 26 when the outside air temperature is low. Due to frost formation, the heat exchange efficiency of the heat source side heat exchanger 26 may decrease.
- the temperature control device 100 according to Embodiment 1 performs an operation for defrosting in the heat source side heat exchanger 26 in addition to the target heating operation.
- the operation for defrosting in the heat source side heat exchanger 26 may be hereinafter referred to as defrosting operation.
- the temperature control device 100 according to Embodiment 1 performs the defrosting operation by switching the direction in which the refrigerant flows in the refrigerant circuit 29 from the direction during the target heating operation.
- the channel switching device 27 is for switching the channel of the refrigerant between during the target heating operation and during the defrosting operation.
- the channel switching device 27 includes, for example, a four-way valve, and switches the coolant channel according to the control signal received from the heat source side control device 21 .
- a solid line portion in the flow path switching device 27 shown in FIG. 1 indicates the flow path of the refrigerant when the temperature control device 100 performs the target heating operation.
- the dashed line portion in the channel switching device 27 indicates the coolant channel when the temperature control device 100 performs the defrosting operation.
- the broken arrows indicate the direction in which the refrigerant flows during the defrosting operation.
- the refrigerant discharged from the compressor 22 flows into the intermediate heat exchanger 23, is decompressed in the expansion valve 24, passes through the heat source side heat exchanger 26, and is sucked into the compressor 22.
- the refrigerant discharged from the compressor 22 flows into the heat source side heat exchanger 26 , is decompressed by the expansion valve 24 , passes through the intermediate heat exchanger 23 , and is sucked into the compressor 22 .
- the heat source side heat exchanger 26 functions as a condenser, and in the heat source side heat exchanger 26, the refrigerant releases heat to the air and is cooled. Then, the refrigerant whose temperature is lowered flows into the intermediate heat exchanger 23 .
- the intermediate heat exchanger 23 functions as an evaporator, and the refrigerant absorbs heat from the heat medium in the intermediate heat exchanger 23, thereby cooling the heat medium. The temperature of the target is also lowered by the cooled heat transfer medium. As a result, the user's comfort may be impaired.
- the temperature control device 100 according to Embodiment 1 has the following configuration in order to maintain user's comfort.
- FIG. 2 is a block diagram illustrating components of the temperature control device according to Embodiment 1.
- FIG. Temperature control device 100 according to Embodiment 1 has processing unit 70 , output unit 71 , and input unit 72 .
- load-side control device 12 includes processing unit 70 , output unit 71 , and input unit 72 will be described as an example.
- the processing unit 70 determines whether the defrosting operation is necessary based on predetermined conditions.
- the condition is that the difference between the temperature measured by the inlet-side refrigerant temperature sensor 30 and the temperature measured by the outlet-side refrigerant temperature sensor 31 is less than a predetermined difference threshold.
- the processing unit 70 may acquire measurement results from the inlet-side refrigerant temperature sensor 30 and the outlet-side refrigerant temperature sensor 31 via the heat source-side control device 21 .
- the processing unit 70 communicates with at least one of the inlet-side refrigerant temperature sensor 30 and the outlet-side refrigerant temperature sensor 31 by wire or wirelessly, and at least one of the inlet-side refrigerant temperature sensor 30 and the outlet-side refrigerant temperature sensor 31 Measurement results may be obtained directly from one side.
- the condition for the processing unit 70 to determine whether or not defrosting is necessary may be, in addition to the conditions described above, either of the following two conditions, for example.
- the first condition is that the current time is the defrosting set time set for execution of the defrosting operation.
- the second condition is that the temperature measured by the heat medium temperature sensor 32 is less than the heat medium threshold temperature.
- the heat medium threshold temperature may be determined based on at least one of the operating frequency of the compressor 22, the degree of opening of the expansion valve 24, the operating frequency of the heat source side blower 25, and the like.
- the refrigerant circuit 29 includes the inlet-side refrigerant temperature sensor 30 and the outlet-side refrigerant temperature sensor 30 . At least one of the temperature sensors 31 may not be included.
- the conditions described above are examples, and the conditions for the processing unit 70 to determine whether defrosting is necessary are not limited to those described above.
- the output unit 71 notifies the user of the need for defrosting.
- the output unit 71 may notify the user by displaying information indicating the necessity of defrosting on the screen, or may notify the user by outputting the information by voice.
- the output unit 71 in Embodiment 1 displays or outputs information for asking the user whether or not the preheating operation is necessary when it is determined that defrosting is necessary.
- the preheating operation is an operation for controlling the temperature of the heat medium to be higher than the target temperature.
- the preheating operation is an operation for maintaining the temperature of the heat medium at the target temperature during the defrosting operation, or for suppressing the temperature of the heat medium from falling below the target temperature during the defrosting operation or the target heating operation. be.
- the preheating operation in the first embodiment is performed in order to maintain the temperature of the heat medium at the target temperature during the defrosting operation, or to suppress a decrease in the temperature of the heat medium during the defrosting operation. shall be performed prior to driving.
- the input unit 72 accepts an input of at least one of a user-desired target set temperature and a user-desired target temperature of the heat medium.
- the processing unit 70 uses the set temperature to calculate the target temperature of the heat medium.
- the input unit 72 receives input from the user of information indicating whether or not the preheating operation is to be performed.
- the processing unit 70 receives the target temperature received by the input unit 72, or , corrects the target temperature based on the set temperature received by the input unit 72 .
- the processing unit 70 corrects the target temperature to a temperature higher than the target temperature.
- the target temperature after correction may be described as a corrected target temperature.
- the information received by the input unit 72 and instructing the preheating operation from the user may be referred to as the instruction information.
- the correction value of the target temperature is the difference between the corrected target temperature and the target temperature, and the target temperature is corrected by adding the correction value to the target temperature.
- the correction value may be determined in advance, or may be set by the user via the input unit 72 .
- the correction value may be determined according to the execution time of the defrosting time.
- the input unit 72 may receive an input of the corrected target temperature, and the correction value may be determined from the target temperature and the inputted corrected target temperature.
- the input unit 72 may receive instruction information instructing to always perform the preheating operation when defrosting is required before the processing unit 70 determines that defrosting is required. In this case, the preheating operation is automatically performed every time defrosting is determined to be necessary. In this case, the output unit 71 does not need to output information for inquiring whether or not the preheating operation should be performed every time defrosting is determined to be necessary. The output unit 71 may output information for inquiring whether or not the preheating operation should be performed at a predetermined specific timing. Moreover, the output part 71 does not need to output the information which shows that defrosting is required.
- the processing unit 70 Based on the measurement result of the heat medium temperature sensor 32, the processing unit 70 operates the compressor 22 to bring the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature within the first preliminary operation time. Compute the frequency.
- the first preliminary operation time is the time allocated to the preliminary heating operation, and may be determined in advance or set by the user via the input unit 72 .
- the processing unit 70 may acquire the measurement result from the heat medium temperature sensor 32 via the heat source side control device 21 . Alternatively, the processing unit 70 may communicate with the heat medium temperature sensor 32 by wire or wirelessly and directly acquire the measurement result from the heat medium temperature sensor 32 .
- the processing unit 70 controls the compressor 22 to operate at the calculated operating frequency in the preliminary heating operation.
- the processing unit 70 may communicate with the heat source side control device 21 by wire or wirelessly and control the compressor 22 via the heat source side control device 21 .
- the processing unit 70 may communicate directly with and control the compressor 22 by wire or wirelessly.
- the processing unit 70 controls the compressor 22 and at least one of the expansion valve 24, the heat source side blower 25, and the pump 6. may be controlled.
- the processing unit 70 increases the temperature of the heat medium flowing out of the intermediate heat exchanger 23 based on the measurement result of the heat medium temperature sensor 32 within the first preliminary operation time.
- the opening degree of the expansion valve 24 for achieving the corrected target temperature is calculated.
- the processing unit 70 controls the expansion valve 24 to the calculated opening degree in the preheating operation.
- the processing unit 70 may control the expansion valve 24 via the heat source side control device 21, or may control the expansion valve 24 by communicating directly with the expansion valve 24 by wire or wirelessly.
- the processing unit 70 performs the following processing when controlling the heat source side blower 25 to bring the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature. Based on the measurement result of the heat medium temperature sensor 32, the processing unit 70 adjusts the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature within the first preliminary operation time. Calculate the operating frequency. Then, in the preheating operation, the processing unit 70 controls the heat source side blower 25 to operate at the calculated operating frequency. In this case, the processing unit 70 may control the heat source side blower 25 via the heat source side control device 21, or may directly communicate with the heat source side blower 25 by wire or wirelessly to control the heat source side blower 25. good.
- the processing unit 70 performs the following processing when controlling the pump 6 to bring the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature. Based on the measurement result of the heat medium temperature sensor 32, the processing unit 70 adjusts the operating frequency of the pump 6 to bring the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature within the first preliminary operation time. to calculate Then, the processing unit 70 controls the pump 6 to operate at the calculated operating frequency in the preheating operation. In this case, the processing unit 70 may control the pump 6 via the heat source side control device 21, or may directly communicate with the pump 6 by wire or wirelessly to control the pump 6.
- the processing unit 70 in Embodiment 1 operates the flow switching device 27 to switch the flow path of the refrigerant from the flow path for the target heating operation to the flow path for the defrosting operation when the first preliminary operation time has elapsed. Control.
- the processing unit 70 may control the flow path switching device 27 via the heat source side control device 21, or may directly communicate with the flow path switching device 27 by wire or wirelessly to control the flow path switching device 27. may By switching the flow path by the flow path switching device 27, the operation of the temperature control device 100 is switched from the target heating operation to the defrosting operation.
- the processing unit 70 does not instruct the flow path switching device 27 to switch the flow path, and further performs the second preliminary operation. During the time, the compressor 22 may be operated at a higher operating frequency. Then, the processing unit 70 may instruct the flow path switching device 27 to switch the flow path after the second preliminary operation time has elapsed.
- the processing unit 70, the output unit 71, and the input unit 72 are included in the load-side control device 12 has been described as an example. All or part of it may be included in the heat source side control device 21 instead of the load side control device 12 or together with the load side control device 12 .
- the output section 71 and the input section 72 may be included in the load side control device 12 and the processing section 70 may be included in the heat source side control device 21 .
- the output section 71 and the input section 72 may be included in the load side control device 12 and the heat source side control device 21
- the processing section 70 may be included in the heat source side control device 21 .
- the processing unit 70 can be configured by, for example, a processor such as a CPU (Central Processing Unit) or MPU (Micro Processing Unit), a memory such as a ROM (Read Only Memory) or a RAM (Random Access Memory), and a communication interface circuit. . If the processing unit 70 is included in the heat source side control device 21 together with the output unit 71 and the input unit 72, the processing unit 70 does not need to include the communication interface circuit.
- the communication function with the heat source side control device 21 when the processing unit 70 is included in the load side control device 12 can be realized by a communication interface circuit.
- the processing unit 70 When the processing unit 70 is included in one of the load-side control device 12 and the heat source-side control device 21 and at least one of the output unit 71 and the input unit 72 is included in the other, the processing unit 70
- the communication function with at least one of the output section 71 and the input section 72 included in the other can be realized by a communication interface circuit.
- the function of calculating the corrected target temperature and the function of calculating the operating frequency of the compressor 22 by the processing unit 70 are realized by the processor reading and executing various programs and data stored in the memory. can be done. All or part of the processing unit 70 may be dedicated hardware such as ASIC (Application Specific Integrated Circuit), CPLD (Complex Programmable Logic Device), or FPGA (Field Programmable Gate Array).
- the output unit 71 can be configured by, for example, a display device such as a liquid crystal display, EL (Electroluminescence), or CRT (Cathode Ray Tube), or a sound output device such as a speaker.
- the information output function of the output unit 71 can be realized by the display device or the sound output device.
- the output unit 71 may be the display device or the sound output device. and a communication interface circuit. A communication function with the processing unit 70 by the output unit 71 can be realized by the communication interface circuit.
- the input unit 72 can be configured by an operating device such as a touch panel, buttons, or keyboard, or a voice input device such as a microphone.
- the function of the input unit 72 to receive instructions from the outside can be realized by the operating device or the voice input device.
- the input unit 72 is connected to the communication interface together with the operation device or the voice input device. It is configurable by the circuit.
- the function of communicating with the processing unit 70 by the input unit 72 in this case can be realized by the communication interface circuit.
- the input unit 72 may receive instruction information received from a user by a terminal such as a smartphone or a personal computer from the terminal. In this case, the input unit 72 can be configured using a communication device for receiving instruction information from the terminal.
- FIG. 3 is a flowchart illustrating the flow of processing relating to preheating operation by the temperature control device according to Embodiment 1.
- step S1 the processing unit 70 determines whether or not defrosting is necessary. When defrosting is unnecessary (step S1: unnecessary), the temperature control device 100 terminates the process related to the preheating operation.
- step S1 When defrosting is necessary (step S1: required), the processing unit 70 determines whether or not the preheating operation is necessary in step S2. In this case, the processing unit 70 determines whether or not the preheating operation is necessary depending on whether instruction information instructing the preheating operation is input. If the preheating operation is unnecessary (step S2: unnecessary), the temperature control device 100 shifts the process to step S8. If the preheating operation is necessary (step S2: required), the processing unit 70 corrects the target temperature of the heat medium in step S3.
- step S4 the processing unit 70 controls the compressor 22 based on the measurement result of the heat medium temperature sensor 32 so that the temperature of the heat medium flowing out of the intermediate heat exchanger 23 reaches the corrected target temperature within the first preliminary operation time. , the degree of opening of the expansion valve 24, the operating frequency of the heat source side blower 25, and the operating frequency of the pump 6.
- step S5 the processing unit 70 controls the heat source device 2 based on the calculation result in step S4.
- the processing unit 70 calculates the operating frequency of the compressor 22 in step S4
- the processing unit 70 operates the compressor 22 at the operating frequency in step S5.
- step S6 the processing unit 70 determines whether the temperature measured by the heat medium temperature sensor 32 is equal to or higher than the corrected target temperature.
- the temperature adjustment device 100 shifts the process to step S8. If the temperature measured by the heat medium temperature sensor 32 is less than the corrected target temperature (step S6: NO), in step S7 the processing unit 70 starts controlling the heat source device 2 based on the calculation result in step S4. From the time point, it is determined whether or not the first preliminary operation time has elapsed.
- the function of the processing unit 70 measuring time can be realized by software, but the processing unit 70 may include an RTC (Real Time Clock), and the function may be realized by the RTC.
- step S7 If the first preliminary operation time has not elapsed (step S7: NO), the temperature control device 100 returns the process to step S6.
- step S7: YES the temperature control device 100 performs a defrosting operation in step S8.
- the temperature adjustment device 100 performs the second During the preliminary time, the preliminary heating operation may be continued.
- the processing unit 70 operates the device at the calculated operating frequency.
- the device may be operated during the second pre-operating time at an operating frequency that further increases the temperature of the heat carrier relative to the case.
- the processing unit 70 calculates the opening degree of the expansion valve 24 in step S4
- the processing unit 70 controls the expansion valve 24 to the opening degree that further increases the temperature of the heat medium compared to the case where the expansion valve 24 is controlled to the calculated opening degree.
- the expansion valve 24 may be controlled during the second preliminary time.
- the temperature control device 100 ends the process related to the preheating operation.
- step S6 When the processing unit 70 determines in step S6 that the temperature of the heat medium is lower than the corrected target temperature, the processing unit 70 moves the process to step S7, and continues to control the heat source device 2 based on the calculation result in step S4. Instead of this, the following processing may be performed.
- the processing unit 70 determines that the temperature of the heat medium is lower than the corrected target temperature, the compressor 22 for controlling the temperature of the heat medium to the corrected target temperature in the remaining time of the first preliminary operation time, The operating frequency of at least one of the heat source side blower 25 and the pump 6 is calculated.
- the processing unit 70 calculates the degree of opening of the expansion valve 24 for controlling the temperature of the heat medium to the corrected target temperature during the remaining time. Then, the processing unit 70 performs the processing of steps S6 to S7 while controlling the heat source device 2 based on the calculation result.
- a temperature control device 100 according to Embodiment 1 has a load device 1 and a heat source device 2 .
- the load device 1 heats an object with the heat medium flowing through the heat medium pipe 4 .
- the heat source device 2 supplies the heated heat medium to the load device 1 .
- the heat source device 2 includes a compressor 22, a heat source side heat exchanger 26, an intermediate heat exchanger 23, a flow path switching device 27, and a heat medium temperature acquisition device.
- the compressor 22 , the heat source side heat exchanger 26 , the intermediate heat exchanger 23 and the flow path switching device 27 are connected by refrigerant pipes 28 .
- the heat source side heat exchanger 26 exchanges heat between refrigerant and air.
- the intermediate heat exchanger 23 is connected to the load device 1 through the heat medium pipe 4 and exchanges heat between the refrigerant and the heat medium.
- the flow switching device 27 is configured so that the refrigerant discharged from the compressor 22 flows into the heat source side heat exchanger 26 during the defrosting operation of the heat source side heat exchanger 26, and during the target heating operation for heating the target.
- the flow path of the refrigerant is switched so that the refrigerant discharged from the compressor 22 flows into the intermediate heat exchanger 23 .
- the heat medium temperature acquisition device acquires temperature information indicating the temperature of the heat medium flowing out from the intermediate heat exchanger 23 .
- the temperature control device 100 has an input section 72 and a processing section 70 .
- the input unit 72 receives instruction information regarding the preheating operation.
- the preheating operation is an operation for controlling the temperature of the heat medium to a corrected target temperature higher than the target temperature.
- the processing unit 70 controls the temperature control device 100 based on the temperature information so that the preheating operation is performed according to the instruction information before the defrosting operation is started.
- the processing unit 70 adjusts the temperature of the heat medium to the corrected target temperature before starting the defrosting operation in accordance with the instruction information received by the input unit 72. Control the adjustment device 100 . Therefore, the user can adjust the temperature of the heat medium during the defrosting operation to the target temperature by inputting instruction information to the input unit 72 . Therefore, the temperature control device 100 can maintain or improve the user's comfort.
- the processing unit 70 in Embodiment 1 determines whether or not it is necessary to perform the defrosting operation based on predetermined conditions. Then, when the processing unit 70 determines that the defrosting operation is necessary, the processing unit 70 controls the heat source device 2 to perform the defrosting operation. As a result, the temperature adjustment device 100 can suppress deterioration in heat exchange efficiency due to frost formation in the heat source side heat exchanger 26 .
- the input unit 72 in Embodiment 1 receives instruction information instructing execution of the preliminary heating operation.
- the temperature control device 100 performs the preheating operation according to the instruction information instructed by the user. Therefore, the user can adjust the temperature of the heat medium during the defrosting operation.
- the input unit 72 in Embodiment 1 receives instruction information indicating the target temperature. Thereby, the user can adjust the temperature of the heat medium to a desired temperature during the target heating operation.
- the input unit 72 in Embodiment 1 receives instruction information indicating a correction value for calculating the corrected target temperature based on the target temperature.
- the correction value is, for example, the difference between the target temperature and the corrected target temperature. This allows the user to adjust the temperature of the heat medium during defrosting to a desired temperature.
- the input unit 72 in Embodiment 1 receives instruction information indicating the corrected target temperature. This allows the user to adjust the temperature of the heat medium during defrosting to a desired temperature.
- the input unit 72 receives instruction information indicating the first preheating operation time, which is the execution time of the preheating operation. This allows the user to adjust the first preheating operation time. Therefore, the user can advance or delay the timing of the defrosting operation according to convenience.
- the temperature control device 100 ends the preheating operation after the first preheating operation time has elapsed, even if the temperature of the heat medium has not reached the corrected target temperature.
- the temperature control device 100 can quickly perform the defrosting operation. Therefore, the temperature control device 100 can quickly improve the heat exchange efficiency.
- the temperature control device 100 ends the preheating operation when the temperature of the heat medium reaches the corrected target temperature during the preheating operation. As a result, the temperature of the heat medium is adjusted to the target temperature during the defrosting operation, so that the temperature adjustment device 100 can maintain the user's comfort.
- the input unit 72 includes an operating device such as a button, a touch panel, or a keyboard that accepts user's operations.
- the input unit 72 includes a voice input device that receives the user's voice.
- the input unit 72 includes a communication device that communicates with a user's terminal and receives instruction information received by the terminal. Thereby, the temperature control device 100 can receive instructions from the user.
- the processing unit 70 in the first embodiment calculates the operating frequency of the compressor 22 for setting the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature based on the temperature information. . Then, the processing unit 70 operates the compressor 22 at the calculated operating frequency. Thereby, the temperature control device 100 can control the temperature of the heat medium flowing out of the intermediate heat exchanger 23 to the corrected target temperature.
- the temperature control device 100 further has an output section 71 .
- the output unit 71 outputs information asking whether the preheating operation is necessary. By outputting the information, the temperature control device 100 can prompt the user to input the instruction information.
- the temperature adjustment device 100 according to Embodiment 2 performs a preliminary heating operation for controlling the temperature of the heat medium to the corrected target temperature when starting the target heating operation.
- the temperature control device 100 performs the preliminary heating operation when the target heating operation is started immediately after the temperature control device 100 is started, or when the target heating operation is started after the defrosting operation is finished.
- a temperature control device 100 according to Embodiment 2 will be described below.
- symbol shall be attached
- the temperature control device 100 executes the preliminary heating operation at the start of the target heating operation
- the temperature of the heat medium flowing out of the intermediate heat exchanger 23 is quickly controlled to a temperature equal to or higher than the target temperature. Therefore, for example, when the preliminary heating operation is performed at the start of the target heating operation after the end of the defrosting operation, the time during which the temperature of the heat medium does not reach the user's desired temperature is shortened. be. Therefore, it is possible to suppress the decrease in the user's comfort level during the target heating operation.
- the preheating operation is performed immediately after the temperature adjustment device 100 is started, the temperature of the heat medium rises rapidly, so the time during which the user feels discomfort due to coldness is shortened.
- the temperature control device 100 can suppress reduction in user's comfort level.
- the temperature adjustment device 100 suppresses the user's comfort level during the defrosting operation from being reduced, and performs defrosting. Defrosting operation can be quickly executed when there is an urgent need for defrosting.
- FIG. 4 is a flowchart illustrating the flow of processing relating to preheating operation by the temperature control device according to the second embodiment.
- the temperature control device 100 Prior to step S11, the temperature control device 100 starts the target heating operation. Each process of steps S11 to S16 is the same as each process of steps S2 to S7. Note that if the preliminary heating operation is not required in step S11 (step S11: unnecessary), the temperature control device 100 terminates the process relating to the preliminary heating operation and continues the target heating operation. When the temperature of the heat medium is equal to or higher than the corrected target temperature in step S15 (step S15: YES), the temperature adjustment device 100 terminates the process regarding the preliminary heating operation and continues the target heating operation. Further, when the first preliminary operation time has elapsed in step S16 (step S16: YES), the temperature control device 100 terminates the processing relating to the preliminary heating operation and continues the target heating operation.
- the processing unit 70 determines in step S15 that the temperature of the heat medium is lower than the corrected target temperature, the processing unit 70 performs compression for controlling the temperature of the heat medium to the corrected target temperature in the remaining time of the first preliminary operation time.
- the operating frequency of the air conditioner 22 or the heat source side blower 25, the degree of opening of the expansion valve 24, or the operating frequency of the pump 6 may be calculated.
- the processing unit 70 may perform the processing of steps S15 and S16 while controlling the heat source device 2 based on the calculation result.
- the temperature control device 100 according to Embodiment 2 executes the preliminary heating operation when the target heating operation is started.
- the temperature adjustment device 100 shortens the time during which the temperature of the heat medium does not reach the user's desired temperature when performing the preliminary heating operation when starting the target heating operation after the defrosting operation ends. be able to. Therefore, the temperature control device 100 can suppress a reduction in the user's comfort level during the target heating operation.
- the temperature adjustment device 100 performs the preliminary heating operation immediately after startup, it is possible to shorten the time during which the temperature of the heat medium does not reach the user's desired temperature. Therefore, the temperature control device 100 can quickly increase the user's comfort level immediately after activation.
- the temperature adjustment device 100 can quickly perform the defrosting operation when defrosting is urgent, and the user's Reduction in comfort level can be suppressed.
- Embodiment 1 above describes a case where the preheating operation is performed prior to the defrosting operation
- Embodiment 2 above describes a case where the preheating operation is performed when the target heating operation is started. did.
- the preliminary heating operation may be performed before the defrosting operation is started and when the target heating operation is restarted after the defrosting operation is finished.
- the temperature adjustment device 100 can suppress a drop in the temperature of the heat medium during the defrosting operation, and can quickly raise the temperature of the heat medium when the target heating operation is restarted. Therefore, the temperature control device 100 can maintain the user's comfort during the defrosting operation, and can quickly recover the user's comfort level when the target heating operation is restarted.
- the preliminary heating operation may be performed when the target heating operation is started when the temperature adjustment device 100 is started, and when the target heating operation is restarted after the defrosting operation is finished.
- the temperature control device 100 can quickly increase the comfort level of the user when activated.
- the temperature control device 100 can quickly start the defrosting operation while suppressing the temperature drop of the heat medium during the defrosting operation. Then, the temperature control device 100 can quickly raise the temperature of the heat medium when restarting the target heating operation after the defrosting operation ends. Therefore, the temperature control device 100 can quickly perform the defrosting operation when the defrosting operation is urgently needed, and can maintain the user's comfort during the defrosting operation.
- the temperature control device 100 can quickly recover the comfort level of the user when the target heating operation is restarted.
- the preheating operation may be performed immediately after starting the temperature control device 100 and before starting the defrosting operation.
- the temperature control device 100 can reduce the user's discomfort immediately after startup and maintain the user's comfort during the defrosting operation.
- the input unit 72 may receive instruction information that instructs the execution timing of the preliminary heating operation.
- the processing unit 70 controls the heat source device 2 to perform the preheating operation at the execution timing indicated by the instruction information received by the input unit 72 . This allows the user to cause the temperature control device 100 to perform the preheating operation at a desired point of time, enabling flexible adjustment of the temperature of the heat medium.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
図1は、実施の形態1に係る温度調節装置の構成例を示す模式図である。温度調節装置100は、室内の空気の温度の調節、または、室内に供給される水の温度の調節などを行う。以下では、温度調節装置100の温度調節の対象となる空気または水等を対象と記載する場合もある。
実施の形態2に係る温度調節装置100は、対象加熱運転の開始の際に熱媒体の温度を補正目標温度へ制御する予備加熱運転を実行する。温度調節装置100は、温度調節装置100の起動直後の対象加熱運転の開始の際、または、除霜運転終了後の対象加熱運転の開始の際に、予備加熱運転を実行する。以下、実施の形態2に係る温度調節装置100について説明する。なお、実施の形態2では、上記実施の形態1における構成要素と同様の構成要素に対し、同一の符号を付すものとする。また、実施の形態2において、実施の形態1における構成内容と同様の構成内容、および、実施の形態1における機能と同様の機能等については、特段の事情がない限り、説明を省略する。
Claims (17)
- 対象の温度を調節する温度調節装置であって、
熱媒体配管を流れる熱媒体によって前記対象を加熱する負荷機器と、
加熱した前記熱媒体を前記負荷機器に供給する熱源機器と、
を有し、
前記熱源機器は、
冷媒を圧縮する圧縮機と、
前記冷媒を流通させる冷媒配管によって前記圧縮機と接続され、前記冷媒と空気とを熱交換させる熱源側熱交換器と、
前記冷媒配管によって前記圧縮機と接続され、且つ、前記熱媒体配管によって前記負荷機器と接続されて、前記冷媒と前記熱媒体とを熱交換させる中間熱交換器と、
前記冷媒配管によって前記圧縮機と接続され、前記熱源側熱交換器の除霜運転時において前記圧縮機から吐出された前記冷媒が前記熱源側熱交換器に流入するよう、且つ、前記対象を加熱する対象加熱運転時において前記圧縮機から吐出された前記冷媒が前記中間熱交換器に流入するよう、前記冷媒の流路を切り替える流路切替装置と、
前記熱媒体の温度を示す温度情報を取得する熱媒体温度取得装置と、
を備え、
前記温度調節装置は、
前記熱媒体の温度を、前記対象加熱運転時における目標温度より高い補正目標温度に制御する予備加熱運転に関する指示情報を受け付ける入力部と、
前記指示情報に応じて前記予備加熱運転を実行するよう、前記温度情報に基づいて前記温度調節装置を制御する処理部と、
を有する温度調節装置。 - 前記処理部は、
前記指示情報に応じて、前記除霜運転の開始前、前記除霜運転の終了後、および、前記温度調節装置の起動直後のうちの、少なくともいずれかにおいて、前記予備加熱運転を実行するよう前記温度調節装置を制御する、請求項1に記載の温度調節装置。 - 前記処理部は、
予め定められた条件に基づいて前記除霜運転の実行の要否を判定し、前記除霜運転が必要であると判定した場合には、前記除霜運転を実行するよう前記熱源機器を制御する、請求項1または請求項2に記載の温度調節装置。 - 前記入力部は、
前記予備加熱運転の実行を指示する前記指示情報を受け付ける、請求項1~請求項3のいずれか一項に記載の温度調節装置。 - 前記入力部は、
前記目標温度を示す前記指示情報を受け付ける、請求項1~請求項4のいずれか一項に記載の温度調節装置。 - 前記入力部は、
前記目標温度に基づいて前記補正目標温度を演算するための補正値を示す前記指示情報を受け付ける、請求項1~請求項5のいずれか一項に記載の温度調節装置。 - 前記補正値は、前記目標温度と前記補正目標温度との間の差分である、請求項6に記載の温度調節装置。
- 前記入力部は、
前記補正目標温度を示す前記指示情報を受け付ける、請求項1~請求項5のいずれか一項に記載の温度調節装置。 - 前記入力部は、
前記予備加熱運転の実行タイミングを指示する前記指示情報を受け付ける、請求項1~請求項8のいずれか一項に記載の温度調節装置。 - 前記入力部は、
前記予備加熱運転の実行時間である第1予備加熱運転時間を示す前記指示情報を受け付ける、請求項1~請求項9のいずれか一項に記載の温度調節装置。 - 前記予備加熱運転の実行時間である第1予備加熱運転時間が経過すると、前記熱媒体の温度が前記補正目標温度に到達していなくても、前記予備加熱運転を終了する、請求項1~請求項9のいずれか一項に記載の温度調節装置。
- 前記予備加熱運転において前記熱媒体の温度が前記補正目標温度に到達すると、前記予備加熱運転を終了する、請求項1~請求項10のいずれか一項に記載の温度調節装置。
- 前記入力部は、
ユーザの操作を受け付ける、ボタン、タッチパネル、またはキーボードである操作装置を含む、請求項1~請求項12のいずれか一項に記載の温度調節装置。 - 前記入力部は、
ユーザの音声を受け付ける音声入力装置を含む、請求項1~請求項13のいずれか一項に記載の温度調節装置。 - 前記入力部は、
ユーザの端末と通信し、該端末が受け付けた前記指示情報を受信する通信装置を含む、請求項1~請求項14のいずれか一項に記載の温度調節装置。 - 前記処理部は、
前記予備加熱運転において、前記中間熱交換器から流出する前記熱媒体の温度を前記補正目標温度にするための前記圧縮機の運転周波数を、前記温度情報に基づいて演算し、演算した前記運転周波数で前記圧縮機を動作させる、請求項1~請求項15のいずれか一項に記載の温度調節装置。 - 前記予備加熱運転の要否を問う情報を出力する出力部を更に有する、請求項1~請求項16のいずれか一項に記載の温度調節装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/022475 WO2022264199A1 (ja) | 2021-06-14 | 2021-06-14 | 温度調節装置 |
| GB2318604.2A GB2621800B (en) | 2021-06-14 | 2021-06-14 | Temperature regulation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/022475 WO2022264199A1 (ja) | 2021-06-14 | 2021-06-14 | 温度調節装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022264199A1 true WO2022264199A1 (ja) | 2022-12-22 |
Family
ID=84525774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2021/022475 Ceased WO2022264199A1 (ja) | 2021-06-14 | 2021-06-14 | 温度調節装置 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2621800B (ja) |
| WO (1) | WO2022264199A1 (ja) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63231131A (ja) * | 1987-03-20 | 1988-09-27 | Hitachi Ltd | ヒ−トポンプ式空気調和機 |
| JPH01107056A (ja) * | 1987-10-21 | 1989-04-24 | Toshiba Corp | 空気調和機 |
| JPH0721345B2 (ja) * | 1987-06-30 | 1995-03-08 | 株式会社東芝 | 空気調和装置の制御装置 |
| JP2003097847A (ja) * | 2001-09-21 | 2003-04-03 | Mitsubishi Electric Corp | ヒートポンプ式給湯器 |
| JP2005274134A (ja) * | 2001-09-28 | 2005-10-06 | Mitsubishi Electric Corp | ヒートポンプ床暖房空調装置 |
| JP2006046700A (ja) * | 2004-07-30 | 2006-02-16 | Daikin Ind Ltd | 床暖房装置 |
| JP2016195555A (ja) * | 2015-04-02 | 2016-11-24 | 株式会社ニッポー | 温度管理システム |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0721345A (ja) * | 1993-06-16 | 1995-01-24 | Ricoh Co Ltd | 光ファイル装置 |
-
2021
- 2021-06-14 WO PCT/JP2021/022475 patent/WO2022264199A1/ja not_active Ceased
- 2021-06-14 GB GB2318604.2A patent/GB2621800B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63231131A (ja) * | 1987-03-20 | 1988-09-27 | Hitachi Ltd | ヒ−トポンプ式空気調和機 |
| JPH0721345B2 (ja) * | 1987-06-30 | 1995-03-08 | 株式会社東芝 | 空気調和装置の制御装置 |
| JPH01107056A (ja) * | 1987-10-21 | 1989-04-24 | Toshiba Corp | 空気調和機 |
| JP2003097847A (ja) * | 2001-09-21 | 2003-04-03 | Mitsubishi Electric Corp | ヒートポンプ式給湯器 |
| JP2005274134A (ja) * | 2001-09-28 | 2005-10-06 | Mitsubishi Electric Corp | ヒートポンプ床暖房空調装置 |
| JP2006046700A (ja) * | 2004-07-30 | 2006-02-16 | Daikin Ind Ltd | 床暖房装置 |
| JP2016195555A (ja) * | 2015-04-02 | 2016-11-24 | 株式会社ニッポー | 温度管理システム |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2621800A (en) | 2024-02-21 |
| GB2621800B (en) | 2025-04-02 |
| GB202318604D0 (en) | 2024-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4720919B2 (ja) | 圧縮機の運転制御装置及びそれを備えた空気調和装置 | |
| US10371407B2 (en) | Air conditioning apparatus | |
| JP2018071886A (ja) | 空調機 | |
| US20170328621A1 (en) | Air-conditioning system | |
| JP5055884B2 (ja) | 空気調和装置 | |
| JP2018128158A (ja) | 空気調和機 | |
| EP3705810A1 (en) | Air conditioner | |
| CN108603681B (zh) | 冷气机以及空气调节机 | |
| JP2016053452A (ja) | 空気調和機 | |
| JP2019095138A (ja) | 空気調和機、冷凍装置 | |
| CN110446894A (zh) | 空调机的室外机 | |
| KR100545957B1 (ko) | 공기 조화 장치 및 공기 조화 장치의 제어 방법 | |
| JP2014074564A (ja) | 空気調和機 | |
| JP5900463B2 (ja) | 空気調和システム | |
| KR101995583B1 (ko) | 공기조화기 및 그 제어방법 | |
| WO2022264199A1 (ja) | 温度調節装置 | |
| JP2018151102A (ja) | 空気調和装置 | |
| JP4123281B2 (ja) | 空気調和機 | |
| JP5858021B2 (ja) | 空気調和機 | |
| CN104896580B (zh) | 空调装置 | |
| JP6964049B2 (ja) | ヒートポンプ式冷水冷房装置 | |
| JP2022096824A (ja) | ヒートポンプサイクル装置 | |
| JP6667673B2 (ja) | 熱源システム | |
| JPWO2018073904A1 (ja) | 空気調和装置の室内機及び空気調和装置 | |
| JP2017067320A (ja) | 空気調和装置 |
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: 21945879 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 202318604 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20210614 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2318604.2 Country of ref document: GB |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: 2318604.2 Country of ref document: GB |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 21945879 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: JP |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2318604.2 Country of ref document: GB |