CN113048554A - Air conditioner and air conditioning system - Google Patents

Air conditioner and air conditioning system Download PDF

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Publication number
CN113048554A
CN113048554A CN202011492932.4A CN202011492932A CN113048554A CN 113048554 A CN113048554 A CN 113048554A CN 202011492932 A CN202011492932 A CN 202011492932A CN 113048554 A CN113048554 A CN 113048554A
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China
Prior art keywords
temperature
humidity sensor
indoor unit
humidity
detection value
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CN202011492932.4A
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Chinese (zh)
Inventor
上野圆
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Sharp Corp
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Sharp Corp
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Publication of CN113048554A publication Critical patent/CN113048554A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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
    • F24F2110/20—Humidity
    • 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
    • F24F2110/20—Humidity
    • F24F2110/22—Humidity of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The air conditioner includes an indoor unit, an outdoor unit, and a control unit that performs a ventilation function after performing an air circulation function when a difference between a temperature detection value of a temperature/humidity sensor of the indoor unit and a temperature detection value of a temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value and a difference between a humidity detection value of the temperature/humidity sensor of the outdoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.

Description

Air conditioner and air conditioning system
Technical Field
The present invention relates to an air conditioner and an air conditioning system.
Background
Conventionally, the following air conditioning method is known. The air conditioner adjusting method comprises the following steps: obtaining the enthalpy of the outside air and the enthalpy of the air sucked from the room to the air conditioner, and comparing the two enthalpies; and a step of introducing the outside air into the room by the ventilation means and operating the refrigeration cycle under predetermined conditions when the enthalpy of the outside air is lower than the enthalpy of the air taken into the air-conditioning apparatus from the room (japanese patent No. 4915387).
Disclosure of Invention
However, the conventional technique described in the above-mentioned japanese patent No. 4915387 is applicable to a system in which the intake air amount is adjusted according to the indoor enthalpy and the outdoor enthalpy, but it is difficult to adjust the intake air amount of the outside air in a house mainly using natural intake air.
That is, in the conventional technique described in japanese patent No. 4915387, ventilation adjustment cannot be performed individually in a room, and when the air conditioner is not operating, there is a possibility that an indoor air temperature distribution is generated and air conditioning operation (cooling, heating, and the like) cannot be controlled accurately.
An object of one aspect of the present invention is to realize the following technique: when an indoor unit is installed in a room that naturally inhales air, it is possible to appropriately control the temperature and humidity during air conditioning operation (cooling, heating, and the like) while eliminating variations in the temperature and humidity of the air in the room.
In order to solve the above problem, an air conditioner according to an aspect of the present invention includes: an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed; an outdoor unit having a temperature/humidity sensor mounted thereon; and a control unit that executes the ventilation function and the air circulation function, wherein the control unit executes the ventilation function after executing the air circulation function when a difference between a temperature detection value of the temperature/humidity sensor of the indoor unit and a temperature detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
In order to solve the above problem, an air conditioner according to an aspect of the present invention includes: an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed; an outdoor unit having a temperature and humidity sensor mounted thereon; and a control unit that executes the ventilation function and the air circulation function, wherein the control unit executes the ventilation function when a difference between a temperature detection value of the temperature and humidity sensor of the indoor unit and a temperature detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature and humidity sensor of the indoor unit and a humidity detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a second predetermined value after the air circulation function is executed.
In order to solve the above problem, an air conditioning system according to an aspect of the present invention includes: an indoor unit having a temperature/humidity sensor mounted thereon and having a communication function and an air circulation function for circulating air in a room in which the indoor unit is disposed; an outdoor unit having a temperature and humidity sensor mounted thereon; a control unit that controls the communication function and the air circulation function; and an electronic device that is provided in a room in which the indoor unit is provided, that is capable of communicating with the indoor unit, and that has a ventilation function, wherein when a difference between a temperature detection value of a temperature/humidity sensor of the indoor unit and a temperature detection value of a temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value, the control unit executes the ventilation function of the electronic device to be communicated using the communication function of the indoor unit after executing the air circulation function.
In order to solve the above problem, an air conditioner according to an aspect of the present invention includes: an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed; an outdoor unit having a temperature and humidity sensor mounted thereon; an instruction receiving unit that receives an instruction to perform a cooling/heating operation on the indoor unit; and a control unit that performs the ventilation function and the air circulation function, wherein when the instruction receiving unit receives an instruction to perform a cooling/heating operation, if a difference between a temperature detection value of the temperature/humidity sensor of the indoor unit and a temperature detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value, the control unit performs the ventilation function after performing the air circulation function before performing the cooling/heating operation.
In order to solve the above problem, an air conditioner according to an aspect of the present invention includes: an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed; an outdoor unit having a temperature and humidity sensor mounted thereon; an instruction receiving unit that receives an instruction to perform a cooling/heating operation for the indoor unit; and a control unit that performs the ventilation function and the air circulation function, wherein when the instruction receiving unit receives an instruction to perform a cooling/heating operation, the control unit performs the cooling/heating operation while performing the ventilation function if a difference between a temperature detection value of the temperature/humidity sensor of the indoor unit and a temperature detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
According to one aspect of the present invention, when an indoor unit is installed in a naturally aspirated room, it is possible to eliminate variations in the temperature and humidity of the indoor air and to appropriately control the temperature and humidity of the air conditioning operation (cooling, heating, and the like).
Drawings
Fig. 1 is a schematic diagram showing an entire air conditioner according to a first embodiment of the present invention.
Fig. 2 is a block diagram showing a main part configuration of the air conditioner shown in fig. 1.
Fig. 3 is a flowchart showing a control process in the air conditioner shown in fig. 1.
Fig. 4 is a flowchart showing another control process in the air conditioner shown in fig. 1.
Fig. 5 is a flowchart showing still another control process in the air conditioner shown in fig. 1.
Fig. 6 is a block diagram showing a main configuration of an air conditioner according to a second embodiment of the present invention.
Fig. 7 is a flowchart showing a control process in the air conditioner shown in fig. 6.
Fig. 8 is a block diagram showing a main configuration of an air conditioner according to a third embodiment of the present invention.
Fig. 9 is a flowchart showing a control process in the air conditioner shown in fig. 8.
Fig. 10 is a flowchart showing another control process in the air conditioner shown in fig. 8.
Detailed Description
[ first embodiment ]
The present embodiment will be described in detail below with reference to fig. 1 to 5. Fig. 1 is a schematic diagram showing the entire air conditioner 100 according to the present embodiment. Fig. 2 is a block diagram showing a main configuration of the air conditioner 100. Fig. 3 is a flowchart showing a control process in the air conditioner 100. Fig. 4 is a flowchart showing another control process in the air conditioner 100. Fig. 5 is a flowchart showing still another control process in the air conditioner 100.
(overview of air conditioner 100)
As shown in fig. 1 and 2, the air conditioner 100 includes an indoor unit 10, a refrigerant pipe 20, and an outdoor unit 30. The indoor units 10 and the outdoor units 30 are connected to refrigerant pipes 20 through which a refrigerant circulates. Further, reference numeral 1 in fig. 1 and 2 denotes a house provided with an indoor unit 10. The house 1 naturally inhales outside air, and so-called natural air intake is performed.
As shown in fig. 1 and 2, in the present embodiment, the indoor unit 10 includes a control unit 11, a temperature sensor 12, a humidity sensor 13, and a human body sensor 14 described later. The control unit 11 controls the entire air conditioner 100.
The temperature sensor 12 and the humidity sensor 13 detect the ambient temperature and the ambient humidity of the indoor unit 10 provided in the house 1, respectively, and the respective detection values are output to the control unit 11. Hereinafter, the temperature sensor 12 and the humidity sensor 13 may be collectively referred to as a temperature and humidity sensor (12, 13) when they are not distinguished from each other. In the present embodiment, the type of the temperature and humidity sensors (12, 13) is not particularly limited. As long as it can be mounted on the indoor unit 10.
In the present embodiment, the indoor unit 10 has at least a ventilation function and an air circulation function. Here, the "ventilation function" means that air in the room of house 1 is discharged (exhausted) to the outside of house 1. On the other hand, the "air circulation function" refers to a "blowing function" for sending air to the inside of house 1, an "air purification function" for purifying air in the room of house 1 by, for example, releasing ions, and the like. Further, the ventilation function and the air circulation function are executed by the control unit 11.
As shown in fig. 1 and 2, in the present embodiment, the outdoor unit 30 includes a temperature sensor 31 and a humidity sensor 32. The temperature sensor 31 and the humidity sensor 32 detect the ambient temperature and the ambient humidity of the outdoor unit 30 installed outside the house 1, respectively, and the respective detection values are also output to the control unit 11.
As with the temperature and humidity sensors (12, 13) in the indoor unit 10, the temperature sensor 31 and the humidity sensor 32 may be collectively referred to as the temperature and humidity sensors (31, 32) when they are not distinguished from each other. In the present embodiment, the type of the temperature and humidity sensors (31, 32) is not particularly limited. So long as it can be mounted on the outdoor unit 30.
(example of control processing in air conditioner 100)
In the present embodiment, when the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than a second predetermined value, the control unit 11 performs the air circulation function of the indoor unit 10 and then performs the ventilation function.
Fig. 3 is a flowchart showing the control process described above in the air conditioner 100 shown in fig. 1. As shown in fig. 3, after the air conditioner 100 starts operating, the control unit 11 determines whether or not the difference between the indoor temperature and the outdoor temperature is equal to or greater than a first predetermined value, based on the indoor temperature and the outdoor temperature input from the temperature sensor 12 and the temperature sensor 31, respectively, in step S11.
Then, if the determination result at step S11 is yes, the process proceeds to step S12. In step S12, the control unit 11 determines whether or not the difference between the indoor humidity and the outdoor humidity is equal to or greater than a second predetermined value, based on the indoor humidity and the outdoor humidity input from the humidity sensor 13 and the humidity sensor 32, respectively. On the other hand, in the case where the determination result of step S11 is no, the flowchart shown in fig. 3 is restarted.
Next, if the determination result at step S12 is yes, the process proceeds to step S13. In step S13, the control unit 11 executes the air circulation function of the indoor unit 10 and starts the air circulation operation of the indoor unit 10. On the other hand, in the case where the determination result of step S12 is "no", the process proceeds to step S11.
After the air circulation function of the indoor unit 10 is executed, the controller 11 executes the ventilation function of the indoor unit 10 and starts the ventilation operation of the indoor unit 10 in step S14. The time interval between the time when the air circulation operation is started and the time when the ventilation operation is started may be set as necessary.
The predetermined value relating to the temperature/humidity difference may be set as needed. Let the indoor temperature be Tin, outdoor temperature be Tout, indoor humidity be Pin, and outdoor humidity be Pout. For example, when the temperature is set to Tin-Tout > -3 ℃ and Pin-Pout > -5% in summer, if the difference between the indoor temperature and the outdoor temperature is small or the indoor temperature is higher than the outdoor temperature and the difference between the indoor humidity and the outdoor humidity is small or the indoor humidity is higher than the outdoor humidity, the ventilation is performed so that the indoor temperature and humidity are comfortable while the air blowing operation is performed to eliminate the temperature unevenness.
The settings can also be changed during winter. For example, when Tout-Tin > -5 ℃ and Pout-Pin > -10% are set, the outdoor temperature is often cold in winter, so that ventilation can be performed while preventing the indoor comfort from being lowered by the above setting.
Further, since the air conditioning capacity is large when the air-conditioned space is large as compared with the case where the air-conditioned space is small, it is preferable to set the predetermined value small when the air-conditioned space is large in order to restart the air circulation operation more quickly.
According to the above configuration, when the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than the first predetermined value and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than the second predetermined value, the control unit 11 performs the ventilation function after performing the air circulation function, and thereby, when the indoor unit 10 is installed in the room 1 that naturally inhales air, it is possible to eliminate the variation in the temperature and humidity of the air in the room. Therefore, the temperature and humidity can be appropriately controlled during air conditioning operation (cooling, heating, and the like).
In particular, at the start of the cooling/heating operation, the load on the air-conditioning apparatus 100 is maximized, and the load is reduced by ventilation, whereby the power consumption of the air-conditioning apparatus 100 can be suppressed.
(modification 1)
Next, modified example 1 will be described with reference to fig. 1, 2, and 4. Fig. 4 is a flowchart showing another control process of the air conditioner 100 shown in fig. 1. The indoor unit 10 of modification 1 is different from the configuration of the first embodiment in that it further includes a motion sensor 14 (see fig. 1 and 2).
In modification 1, the motion sensor 14 detects whether or not a person is present in the space (the room 1) in which the indoor unit 10 is installed. The detection result of the human body sensor 14 is output to the control section 11. In modification 1, the type of human body sensor 14 is not particularly limited. For example, the presence or absence of a human may be detected by using infrared rays, ultrasonic waves, visible light, or the like.
The control unit 11 executes the air circulation operation when the human body sensor 14 detects that there is no human body, the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than a second predetermined value.
As shown in fig. 4, after the air conditioner 100 starts operating, in step S21, the motion sensor 14 detects whether or not a person is present in the space in which the indoor unit 10 is installed.
Then, if the determination result at step S21 is "no", that is, if there is no person, the process proceeds to step S22. In step S22, the control unit 11 determines whether or not the difference between the indoor temperature and the outdoor temperature is equal to or greater than a first predetermined value, based on the indoor temperature and the outdoor temperature input from the temperature sensor 12 and the temperature sensor 31, respectively. On the other hand, if the determination result of step S21 is yes, the flowchart shown in fig. 4 is restarted.
Then, when the determination result of step S22 is yes, the routine proceeds to step S23. In step S23, the control unit 11 determines whether or not the difference between the indoor humidity and the outdoor humidity is equal to or greater than a second predetermined value, based on the indoor humidity and the outdoor humidity input from the humidity sensor 13 and the humidity sensor 32, respectively. On the other hand, if the determination result of step S22 is no, the process proceeds to step S21.
Next, if the determination result at step S23 is yes, the process proceeds to step S24. On the other hand, if the determination result of step S23 is no, the process proceeds to step S21. The processing contents of step S24 and step S25 shown in fig. 4 are the same as those of step S13 and step S14 shown in fig. 3, and therefore, the description thereof is omitted.
According to the above configuration, when the human body sensor 14 detects that there is no human body, and the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature/humidity sensor 31 of the outdoor unit 30 is equal to or greater than the first predetermined value, and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than the second predetermined value, the air circulation operation is executed, whereby the temperature and humidity in the air conditioning operation (cooling, heating, and the like) can be controlled more appropriately depending on the presence or absence of a human body.
The predetermined value of the temperature and humidity may be changed when the motion sensor 14 detects a human being or when it is determined that no human being is present. That is, when a person is detected, the predetermined value is set so that the number of times of ventilation is reduced, so that ventilation can be performed at a minimum without causing discomfort.
(modification 2)
Next, modified example 2 will be described with reference to fig. 1, 2, and 5. Fig. 5 is a flowchart showing still another control process in the air conditioner 100 shown in fig. 1. The control processing in modification 2 is performed in a different order than in the configuration of the first embodiment. For convenience of explanation, members having the same functions as those described in the first embodiment are given the same reference numerals, and the explanation thereof will not be repeated.
Specifically, in modification 2, after the air circulation function is executed, the control unit 11 executes the ventilation function when the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than a second predetermined value.
As shown in fig. 5, after the air-conditioning apparatus 100 starts operating, the control unit 11 executes the air circulation function of the indoor unit 10 and starts the air circulation operation of the indoor unit 10 in step S31.
Next, in step S32, the control unit 11 determines whether or not the difference between the indoor temperature and the outdoor temperature is equal to or greater than a first predetermined value, based on the indoor temperature and the outdoor temperature input from the temperature sensor 12 and the temperature sensor 31, respectively.
Then, if the determination result at step S32 is yes, the process proceeds to step S33. In step S33, the control unit 11 determines whether or not the difference between the indoor humidity and the outdoor humidity is equal to or greater than a second predetermined value, based on the indoor humidity and the outdoor humidity input from the humidity sensor 13 and the humidity sensor 32, respectively. On the other hand, if the determination result of step S32 is no, step S32 shown in fig. 5 is restarted.
Next, if the determination result at step S33 is yes, the process proceeds to step S34. In step S34, the control unit 11 executes the ventilation function of the indoor unit 10 and starts the ventilation operation of the indoor unit 10. On the other hand, if the determination result of step S33 is no, the process proceeds to step S32.
With the above configuration, the same effects as those of the first embodiment are obtained.
[ second embodiment ]
Next, another embodiment of the present invention will be described with reference to fig. 6 and 7. For convenience of explanation, members having the same functions as those described in the above embodiments are given the same reference numerals, and the explanation thereof will not be repeated.
Fig. 6 is a block diagram showing a main configuration of an air conditioning system (air conditioner) 100a according to the present embodiment, and fig. 7 is a flowchart showing a control process in the air conditioning system 100a shown in fig. 6.
As shown in fig. 6, the air conditioner 100a of the present embodiment is different from the configuration of the first embodiment in that an electronic device 40 is provided in a house 1. The electronic device 40 can communicate with the indoor unit 10 having a communication function and has a ventilation function.
When the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than a second predetermined value, the control unit 11 executes the ventilation function of the electronic device 40 to be communicated using the communication function of the indoor unit 10 after executing the air circulation operation.
In fig. 7, the processing contents of step S41 to step S43 are the same as those of step S11 to step S13 shown in fig. 1, and therefore, the description thereof is omitted. Then, in step S44, the control unit 11 starts the ventilation operation of the electronic device 40.
With the above configuration, the same effects as those of the first embodiment are obtained.
[ third embodiment ]
Other embodiments of the present invention will be described below with reference to fig. 8 to 10. For convenience of explanation, members having the same functions as those described in the above embodiments are given the same reference numerals, and the explanation thereof will not be repeated.
Fig. 8 is a block diagram showing a main part configuration of an air conditioner 100b according to the present embodiment. Fig. 9 is a flowchart showing a control process of the air conditioner 100b shown in fig. 8.
As shown in fig. 8, the air conditioner 100b of the present embodiment is different from the configuration of the first embodiment in that it includes an instruction receiving unit 15. The instruction receiving unit 15 receives an instruction to execute the cooling/heating operation of the indoor unit 10 a.
When the instruction receiving unit 15 receives the instruction to execute the cooling/heating operation, if the difference between the temperature detection value of the temperature sensor 12 of the indoor unit 10 and the temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than the first predetermined value and the difference between the humidity detection value of the humidity sensor 13 of the indoor unit 10 and the humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than the second predetermined value, the control unit 11 executes the air circulation function before executing the cooling/heating operation and then executes the ventilation function.
As shown in fig. 9, after the air conditioner 100b starts operating, in step S51, it is determined whether or not the instruction receiving unit 15 has received an instruction for the cooling/heating operation, and the determination result is output to the control unit 11.
If the determination result at step S51 is yes, that is, if the cooling/heating operation instruction is received, the routine proceeds to step S52. On the other hand, in the case where the determination result of step S51 is no, the flowchart shown in fig. 9 is restarted.
In fig. 9, the processing contents of step S52 to step S55 are the same as those of step S11 to step S14 shown in fig. 1, and therefore, the description thereof is omitted. Then, in step S56, the control unit 11 starts the cooling operation or the heating operation.
Further, similarly to the time interval between the start time of the air circulation operation and the start time of the ventilation operation, the time interval between the start time of the ventilation operation and the start time of the cooling operation or the heating operation may be set as necessary.
With the above configuration, the same effects as those of the first embodiment are obtained.
(modification 3)
Next, modified example 3 will be described with reference to fig. 9 and 10. Fig. 10 is a flowchart showing another control process in the air conditioner 100b shown in fig. 9. The content of the control process of modification 3 is different from that of the third embodiment. For convenience of explanation, members having the same functions as those described in the third embodiment are given the same reference numerals, and the explanation thereof will not be repeated.
Specifically, in modification 3, when the instruction receiving unit 15 receives an instruction to execute a heating operation, the control unit 11 executes a cooling/heating operation while executing the ventilation function when a difference between a temperature detection value of the temperature sensor 12 of the indoor unit 10 and a temperature detection value of the temperature sensor 31 of the outdoor unit 30 is equal to or greater than a first predetermined value and a difference between a humidity detection value of the humidity sensor 13 of the indoor unit 10 and a humidity detection value of the humidity sensor 32 of the outdoor unit 30 is equal to or greater than a second predetermined value.
In fig. 10, the processing contents of step S61 to step S63 are the same as those of step S51 to step S53 shown in fig. 9, and therefore, the description thereof is omitted. Then, in step S64, the control unit 11 starts the cooling operation or the heating operation while performing ventilation.
According to the above configuration, in addition to the same effects as those of the first embodiment, the control unit 11 starts the cooling operation or the heating operation while performing ventilation, and thus, an effect of enabling the room to be at a comfortable temperature immediately by air conditioning such as cooling or heating is achieved.
[ implementation example by software ]
The control blocks (particularly, the control unit 11) of the air conditioners (air conditioning systems) 100(100a, 100b) may be implemented by logic circuits (hardware) formed on an integrated circuit (IC chip) or the like, or may be implemented by software.
In the latter case, the air-conditioning apparatus (air-conditioning system) 100(100a, 100b) includes a computer that executes instructions of a program that is software for realizing each function. The computer includes, for example, at least one processor (control device), and includes at least one computer-readable recording medium storing the program. In the computer, the processor reads the program from the recording medium and executes the program, thereby achieving an object of one aspect of the present invention. The processor may be, for example, a Central Processing Unit (CPU). As the recording medium, a tape, a disk, a card, a semiconductor Memory, a programmable logic circuit, or the like can be used in addition to a "non-transitory tangible medium", such as a ROM (Read Only Memory), or the like. Further, the system may further include a RAM (Random Access Memory) or the like for developing the program. The program may be supplied to the computer via an arbitrary transmission medium (a communication network, a broadcast wave, or the like) through which the program can be transmitted. The aspect of the present invention can also be realized by a data signal embedded in a carrier wave, the program being embodied by electronic transmission.
[ conclusion ]
An air conditioner (100) according to embodiment 1 of the present invention includes: an indoor unit (10) that is equipped with temperature and humidity sensors (a temperature sensor (12) and a humidity sensor (13)), and that has a ventilation function and an air circulation function for circulating air in a room (1) in which the indoor unit (10) is disposed; an outdoor unit (30) on which temperature and humidity sensors (a temperature sensor (31) and a humidity sensor (32)) are mounted; and a control unit (11) that executes the ventilation function and the air circulation function, wherein the control unit (11) executes the ventilation function after executing the air circulation function when a difference between a temperature detection value of a temperature/humidity sensor (12) of the indoor unit (10) and a temperature detection value of a temperature/humidity sensor (31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and a difference between a humidity detection value of a temperature/humidity sensor (13) of the indoor unit (10) and a humidity detection value of a temperature/humidity sensor (32) of the outdoor unit (30) is equal to or greater than a second predetermined value.
According to the above configuration, when the difference between the temperature detection value of the temperature/humidity sensor (temperature sensor 12) of the indoor unit (10) and the temperature detection value of the temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than the first predetermined value, when the difference between the humidity detected value of the temperature and humidity sensor (humidity sensor 13) of the indoor unit (10) and the humidity detected value of the temperature and humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value, the control unit (11) executes the ventilation function after executing the air circulation function, when an indoor unit (10) is installed in a room (1) that naturally inhales air, variations in the temperature and humidity of the indoor air can be eliminated, therefore, the temperature and humidity can be appropriately controlled during air conditioning operation (cooling, heating, and the like).
In the air conditioner (100) according to embodiment 2 of the present invention according to embodiment 1 described above, the indoor unit (10) may include a human body sensor (14) for detecting whether or not a person is present in the space in which the indoor unit (10) is installed, and the control unit (11) may execute the air circulation function when the human body sensor (14) detects that no person is present, the difference between the temperature detection value of the temperature/humidity sensor (temperature sensor 12) of the indoor unit (10) and the temperature detection value of the temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the temperature/humidity sensor (humidity sensor 13) of the indoor unit (10) and the humidity detection value of the temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined.
According to the above configuration, whether or not a person is present is detected by the human body sensor (14), and when the difference between the temperature detection value of the temperature/humidity sensor (temperature sensor 12) of the indoor unit (10) and the temperature detection value of the temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the temperature/humidity sensor (humidity sensor 13) of the indoor unit (10) and the humidity detection value of the temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value, the air circulation operation is executed, whereby the temperature and humidity in the air conditioning operation (cooling, heating, etc.) can be controlled more appropriately depending on the presence or absence of a person.
An air conditioner (100) according to embodiment 3 of the present invention includes: an indoor unit (10) that is equipped with temperature and humidity sensors (a temperature sensor (12) and a humidity sensor (13)), and that has a ventilation function and an air circulation function for circulating air in a room (1) in which the indoor unit (10) is disposed; an outdoor unit (30) on which a temperature/humidity sensor (temperature sensor 31, humidity sensor 32) is mounted; and a control unit (11) that executes the ventilation function and the air circulation function, wherein the control unit (11) executes the ventilation function when, after execution of the air circulation function, a difference between a temperature detection value of a temperature/humidity sensor (temperature sensor 12) of the indoor unit (10) and a temperature detection value of a temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and a difference between a humidity detection value of a temperature/humidity sensor (humidity sensor 13) of the indoor unit (10) and a temperature detection value of a temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value.
The above configuration provides the same effects as those of embodiment 1.
An air conditioning system (100a) according to embodiment 4 of the present invention includes: an indoor unit (10) that is equipped with temperature and humidity sensors (a temperature sensor (12) and a humidity sensor (13)), and that has a communication function and an air circulation function for circulating air in a room (1) in which the indoor unit (10) is disposed; an outdoor unit (30) on which a temperature/humidity sensor (temperature sensor 31, humidity sensor 32) is mounted; a control unit (11) that controls the communication function and the air circulation function; and an electronic device (40) which is installed in a room where the indoor unit (10) is installed, can communicate with the indoor unit (10), and has a ventilation function, wherein when the difference between the temperature detection value of the temperature/humidity sensor (temperature sensor 12) of the indoor unit (10) and the temperature detection value of the temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and the difference between the humidity detection value of the temperature/humidity sensor (humidity sensor 13) of the indoor unit (10) and the humidity detection value of the temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value, the ventilation function of the electronic device (40) to be communicated is executed using the communication function of the indoor unit (10) after the air circulation function is executed.
The above configuration provides the same effects as those of embodiment 1.
An air conditioning system (100b) according to embodiment 5 of the present invention includes: an indoor unit (10a) that is equipped with temperature and humidity sensors (a temperature sensor (12) and a humidity sensor (13)), and that has a ventilation function and an air circulation function for circulating air in a room (1) in which the indoor unit (10) is disposed; an outdoor unit (30) on which a temperature/humidity sensor (temperature sensor 31, humidity sensor 32) is mounted; an instruction receiving unit (15) that receives an instruction to perform a cooling/heating operation on an indoor unit (10 a); and a control unit (11) that executes the ventilation function and the air circulation function, wherein when the instruction receiving unit (15) receives an instruction to execute the cooling/heating operation, if a difference between a temperature detection value of a temperature/humidity sensor (temperature sensor 12) of the indoor unit (10a) and a temperature detection value of a temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and a difference between a humidity detection value of a temperature/humidity sensor (humidity sensor 13) of the indoor unit (10a) and a humidity detection value of a temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value, the control unit (11) executes the ventilation function after executing the air circulation function before executing the cooling/heating operation.
The above configuration provides the same effects as those of embodiment 1.
An air conditioning system (100b) according to embodiment 6 of the present invention includes: an indoor unit (10a) that is equipped with temperature and humidity sensors (a temperature sensor (12) and a humidity sensor (13)), and that has a ventilation function and an air circulation function for circulating air in a room (1) in which the indoor unit (10) is disposed; an outdoor unit (30) on which a temperature/humidity sensor (temperature sensor 31, humidity sensor 32) is mounted; an instruction receiving unit (15) that receives an instruction to execute a cooling/heating operation for the indoor unit (10 a); and a control unit (11) that executes the ventilation function and the air circulation function, wherein when the instruction receiving unit (15) receives an instruction to execute the cooling/heating operation, the control unit (11) executes the cooling/heating operation while executing the ventilation function if a difference between a temperature detection value of a temperature/humidity sensor (temperature sensor 12) of the indoor unit (10a) and a temperature detection value of a temperature/humidity sensor (temperature sensor 31) of the outdoor unit (30) is equal to or greater than a first predetermined value, and a difference between a humidity detection value of a temperature/humidity sensor (humidity sensor 13) of the indoor unit (10a) and a humidity detection value of a temperature/humidity sensor (humidity sensor 32) of the outdoor unit (30) is equal to or greater than a second predetermined value.
The above configuration provides the same effects as those of embodiment 1.
The present invention is not limited to the above embodiments, and various modifications can be made within the scope shown in the claims, and embodiments obtained by appropriately combining technical means disclosed in the respective embodiments are also included in the technical scope of the present invention. Further, by combining the technical means disclosed in the respective embodiments, new technical features can be formed.

Claims (6)

1. An air conditioner characterized by comprising:
an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed;
an outdoor unit having a temperature/humidity sensor mounted thereon; and
a control unit that executes the ventilation function and the air circulation function,
the control unit executes the ventilation function after executing the air circulation function when a difference between a temperature detection value of the temperature and humidity sensor of the indoor unit and a temperature detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a first predetermined value and a difference between a humidity detection value of the temperature and humidity sensor of the indoor unit and a humidity detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
2. The air conditioner according to claim 1,
the indoor unit is provided with a human body sensing sensor which detects whether a person is in a space in which the indoor unit is installed,
the control unit executes the air circulation function when the human body sensor detects that no human body is present, and when a difference between a temperature detection value of the temperature and humidity sensor of the indoor unit and a temperature detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature and humidity sensor of the indoor unit and a humidity detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
3. An air conditioner characterized by comprising:
an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed;
an outdoor unit having a temperature and humidity sensor mounted thereon;
an instruction receiving unit that receives an instruction to perform a cooling/heating operation on the indoor unit; and
a control unit that executes the ventilation function and the air circulation function,
when the instruction receiving unit receives an instruction to perform a cooling/heating operation, if a difference between a temperature detection value of a temperature/humidity sensor of the indoor unit and a temperature detection value of a temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value, the control unit performs the air circulation function before performing the cooling/heating operation, and then performs the ventilation function.
4. An air conditioner characterized by comprising:
an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed;
an outdoor unit having a temperature and humidity sensor mounted thereon; and
a control unit that executes the ventilation function and the air circulation function,
after the air circulation function is executed, the control unit executes the ventilation function when a difference between a temperature detection value of the temperature and humidity sensor of the indoor unit and a temperature detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature and humidity sensor of the indoor unit and a humidity detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
5. An air conditioning system, characterized in that the air conditioning system comprises:
an indoor unit having a temperature/humidity sensor mounted thereon and having a communication function and an air circulation function for circulating air in a room in which the indoor unit is disposed;
an outdoor unit having a temperature and humidity sensor mounted thereon;
a control unit that controls the communication function and the air circulation function; and
an electronic device which is provided in a room in which the indoor unit is installed, can communicate with the indoor unit, and has a ventilation function,
when a difference between a temperature detection value of the temperature and humidity sensor of the indoor unit and a temperature detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a first predetermined value, and a difference between a humidity detection value of the temperature and humidity sensor of the indoor unit and a humidity detection value of the temperature and humidity sensor of the outdoor unit is equal to or greater than a second predetermined value, the control unit executes the air circulation function and then executes the ventilation function of the electronic device to be communicated using the communication function of the indoor unit.
6. An air conditioner characterized by comprising:
an indoor unit having a temperature/humidity sensor mounted thereon and having a ventilation function and an air circulation function for circulating air in a room in which the indoor unit is disposed;
an outdoor unit having a temperature and humidity sensor mounted thereon;
an instruction receiving unit that receives an instruction to perform a cooling/heating operation for the indoor unit; and
a control unit that executes the ventilation function and the air circulation function,
when the instruction receiving unit receives an instruction to perform a cooling/heating operation, the control unit performs the cooling/heating operation while performing the ventilation function if a difference between a temperature detection value of the temperature/humidity sensor of the indoor unit and a temperature detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a first predetermined value and a difference between a humidity detection value of the temperature/humidity sensor of the indoor unit and a humidity detection value of the temperature/humidity sensor of the outdoor unit is equal to or greater than a second predetermined value.
CN202011492932.4A 2019-12-26 2020-12-17 Air conditioner and air conditioning system Pending CN113048554A (en)

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Publication number Priority date Publication date Assignee Title
JP2000018681A (en) 1998-06-26 2000-01-18 Kyoritsu Air Tech Inc Air conditioner
JP2004012022A (en) 2002-06-06 2004-01-15 Daikin Ind Ltd Air conditioner and air-conditioning method
JP2007187334A (en) 2006-01-11 2007-07-26 Matsushita Electric Ind Co Ltd Air conditioner
JP2007232331A (en) 2006-03-03 2007-09-13 Sumitomo Electric Ind Ltd Air-conditioning control method and air-conditioning control device
JP5665781B2 (en) 2012-02-23 2015-02-04 三菱電機株式会社 Air conditioning system
US11009248B2 (en) 2018-04-10 2021-05-18 Air2O Inc. Adaptive comfort control system

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