CN110173863B - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN110173863B
CN110173863B CN201910122518.5A CN201910122518A CN110173863B CN 110173863 B CN110173863 B CN 110173863B CN 201910122518 A CN201910122518 A CN 201910122518A CN 110173863 B CN110173863 B CN 110173863B
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humidity
mode
indoor
optimum
air
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CN110173863A (en
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田一修
金俊祐
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Kyungdong Navien Co Ltd
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Kyungdong Navien Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F11/0008—Control or safety arrangements for air-humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • 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
    • F24F2110/20—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
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/66—Volatile organic compounds [VOC]
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide

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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)
  • Central Air Conditioning (AREA)

Abstract

An object of the present invention is to provide an air conditioner and a control method of the air conditioner, which can maintain an optimum humidity corresponding to an indoor temperature, thereby providing a comfortable indoor environment. To achieve this, the air conditioner of the present invention includes: a temperature sensor for sensing an indoor temperature; a humidity sensor for sensing indoor humidity; a storage unit that stores an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity; and a control unit which operates a humidity adjustment mode to enter within a range of the optimal control area when the indoor humidity is out of the optimal control area.

Description

Air conditioner and control method thereof
Technical Field
The present invention relates to an air conditioner and a method for controlling the air conditioner, and more particularly, to an air conditioner and a method for controlling the air conditioner that are operated so as to maintain an optimum indoor humidity corresponding to an indoor temperature.
Background
Generally, an air conditioner is a device for adjusting indoor temperature and humidity according to a user's demand, or ventilating indoor air to maintain indoor comfort.
Recently, a technology has been developed in which various functions such as dehumidification, humidification, cooling, heating, air purification, ventilation, etc. are added to an air conditioner so that indoor air can be maintained in a comfortable state according to a seasonal variation according to a user's selection.
As a prior art regarding the air conditioner, korean patent laid-open No. 10-1782838 is disclosed.
The air conditioner of the related art can be operated in a dehumidification mode and a humidification mode, respectively, to thereby enable indoor humidity adjustment, but only the start and end of the dehumidification mode and the humidification mode are described, and there is no description about which conditions the dehumidification and humidification modes are operated under, and thus there is a problem that it is difficult to achieve an optimum indoor environment.
In addition, CO may be included as an element for determining the quality of the indoor air2VOC (volatile organic compounds), mote, temperature and humidity.
The efficiency of the plurality of elements may be different according to an operation mode of operating the air conditioner. For example, in order to reduce CO contained in indoor air2VOC, fine dust concentration, the air conditioner may be operated in a ventilation mode or an air purification mode. In addition, in order to make the temperature and humidity in the room comfortable, the operation mode may be any one of the humidification, dehumidification, heating, and cooling modes.
In this case, when the quality of the indoor air is to be improved for each of the plurality of elements, the optimum operation modes may be different from each other.
In particular, CO contained in indoor air2And CO of indoor air, which has a large influence on the human body due to VOC2And VOC concentration vary depending on which operation mode is preferentially operated, selection of the operation mode becomes a very important issue.
Further, since there is a difference in operating components for each of the plurality of elements, there is also a difference in energy consumption for operating each operation mode.
Due to such a difference, it is necessary to select an operation mode that can improve the quality of indoor air more efficiently and reduce energy consumption, but there is a problem in that it is difficult for a consumer to determine which operation mode is to be operated.
The related art air conditioner may be operated in a ventilation mode, a dehumidification mode, a humidification mode, and an air purification mode, respectively.
However, the conventional techniques only describe the process of operating each operation mode individually, and do not describe which operation mode should be preferentially operated, so that there is a problem that the quality of the indoor air cannot be efficiently improved and the energy consumption cannot be reduced.
Disclosure of Invention
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an air conditioner and a control method of the air conditioner that can maintain an optimum humidity according to an indoor temperature and provide a comfortable indoor environment.
Another object of the present invention is to provide an air conditioner and a control method of the air conditioner, which can use different optimal control areas for each season, thereby creating a comfortable indoor environment regardless of the season.
It is still another object of the present invention to provide an air conditioner and a control method of the air conditioner that can improve the quality of indoor air and minimize power consumption by operating a ventilation mode in preference to a humidity adjustment mode.
It is still another object of the present invention to provide an air conditioner and a method for controlling the air conditioner, which can minimize the influence of pollutants in the indoor air on the human body.
An air conditioner of the present invention for achieving the above object includes: a temperature sensor for sensing an indoor temperature; a humidity sensor for sensing indoor humidity; a storage unit that stores an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity; and a control unit which operates a humidity adjustment mode to enter within a range of the optimal control area when the indoor humidity is out of the optimal control area.
The air conditioner may further include: and a humidification unit configured to humidify the indoor air, wherein the control unit determines an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and controls the humidification unit until the indoor humidity reaches a predetermined humidity in the optimum humidity section when the indoor humidity is lower than the minimum humidity.
The air conditioner may further include: and a dehumidifying part for dehumidifying indoor air, wherein the control part determines an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and controls the dehumidifying part until a predetermined humidity in the optimum humidity section is reached when the indoor humidity is higher than the maximum humidity.
The optimal control region may include at least two regions at least a part of which do not overlap, and the control part may be configured to apply the at least two regions to seasons different from each other, respectively.
The at least two regions may be set such that a part of the regions overlap.
The humidity adjustment mode may include a humidification mode in which the interior of the room is humidified and a dehumidification mode in which the interior of the room is dehumidified, and the control portion may set the ventilation mode in which the exchange of the interior air and the exterior air is performed to be operated in preference to the humidification mode and the dehumidification mode.
The control unit may be configured to interrupt the operation of the humidification mode or the dehumidification mode and operate the ventilation mode when an operation condition of the ventilation mode is satisfied during the operation of the humidification mode or the dehumidification mode.
The humidity adjustment mode may further include a ventilation mode that enables exchange of indoor air and outdoor air.
The control method of the air conditioner comprises the following steps: a) receiving information on an indoor temperature and an indoor humidity; b) determining, at a control section, whether the indoor humidity is out of a range of an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity; c) when the indoor humidity is out of the optimum control area, the control unit controls the air conditioner to operate in a humidity adjustment mode so as to be within the range of the optimum control area.
The control unit may determine an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and may control the operation of the humidification mode until the indoor humidity reaches a predetermined humidity in the optimum humidity section when the indoor humidity is lower than the minimum humidity.
The optimum control region may be set such that the optimum humidity zone corresponding to the indoor temperature becomes a higher humidity zone as the temperature approaches the highest temperature in the predetermined range, and the operation time of the humidification mode may be controlled such that the operation time of the humidification mode is longer as the indoor temperature approaches the lowest temperature in the humidification mode.
The control part may determine an optimum humidity section defined by a range between a minimum humidity and a maximum humidity within the optimum control area to correspond to the indoor temperature, and may operate the dehumidification mode until a predetermined humidity within the optimum humidity section is reached when the indoor humidity is higher than the maximum humidity.
The optimal control region may include at least two regions at least a part of which do not overlap, and the control part may determine seasons and control the at least two regions to be applied to seasons different from each other, respectively.
The humidity control mode may include a humidification mode for humidifying the inside of the room and a dehumidification mode for dehumidifying the inside of the room, and the control part may control a ventilation mode for exchanging the indoor air and the outdoor air to be operated in preference to the humidification mode or the dehumidification mode.
The humidity adjustment mode may include a ventilation mode that enables exchange of indoor air and outdoor air. In this case, if it is determined that the indoor humidity can be brought into the optimum control area by the operation of the ventilation mode, the control unit may operate the ventilation mode for exchanging the indoor air and the outdoor air without performing the step c). The control unit may determine a degree of deviation of the indoor humidity from the optimal control area in the step b), and determine that the indoor humidity can enter the optimal control area through the operation of the ventilation mode if the degree of deviation is within a predetermined range.
The humidity adjustment mode may include a humidification mode for humidifying the inside of the room and a dehumidification mode for dehumidifying the inside of the room, and the control part may control to interrupt the operation of the humidification mode or the dehumidification mode and operate the ventilation mode in a case where an operation condition of the ventilation mode for realizing the exchange of the indoor air and the outdoor air is satisfied in a process of operating the humidification mode or the dehumidification mode.
According to the present invention, in the humidity adjustment mode, the optimum humidity corresponding to the indoor temperature is maintained, and thus a comfortable indoor environment can be provided.
Also, the optimum control regions different from each other are used by seasons, so that a comfortable indoor environment can be created regardless of seasons.
Also, by preferentially operating the ventilation mode as compared to the humidity adjustment mode, it is possible to effectively improve the quality of indoor air and to minimize power consumption.
Furthermore, by operating the ventilation mode preferentially, CO contained in the indoor air can be reduced2And the concentration of VOC is maintained at a low level, whereby the influence of pollutants of indoor air on human bodies can be minimized.
Drawings
Fig. 1 is a diagram showing a control configuration of an air conditioner according to the present invention.
Fig. 2 is a diagram showing a state in which the optimum control regions for the temperatures according to the present invention are set differently depending on the seasons.
Fig. 3 is a diagram showing a state where dehumidification and humidification are performed in the optimum control region by temperature of the present invention.
Fig. 4 is a diagram showing a state in which dehumidification and humidification by season are performed in the optimum control region by temperature of the present invention.
Fig. 5 is a diagram illustrating a control method in a humidity adjustment mode in the air conditioner of the present invention.
Fig. 6 is a diagram illustrating a control method of the priority operation ventilation mode in the air conditioner of the present invention.
Description of the symbols
1: the air conditioner 10: control unit
21: first blower 22: second blower
23: the dehumidification portion 24: humidification part
31: the timer 51: temperature sensor
52: the humidity sensor 53: indoor dust sensor
54：CO2Sensor 55: VOC sensor
60: storage unit
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
The air conditioner 1 of the present invention includes: a temperature sensor 51 for sensing an indoor temperature; a humidity sensor 52 for sensing indoor humidity; a storage section 60 for storing an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity; and a control unit (10) which operates in a humidity control mode to enter the range of the optimal control area when the indoor humidity exceeds the optimal control area.
The air conditioner 1 further includes a first blower 21 that operates according to the control of the control unit 10. The first blower 21 sucks in indoor air or outdoor air and discharges the air into a room. Further, a second blower 22 that operates according to the control of the control unit 10 may be further included. The second blower 22 sucks in the indoor air or the outdoor air and discharges the air to the outside.
The air conditioner 1 may be operated in a plurality of operation modes including a humidity adjustment mode.
The humidity adjustment mode includes a dehumidification mode for dehumidifying the indoor air and a humidification mode for humidifying the indoor air. For this, the air conditioner 1 includes a dehumidifying part 23 and a humidifying part 24. Also, the humidity adjustment mode may further include a ventilation mode in which exchange of indoor air and outdoor air is performed. In the case of operating in the ventilation mode, the humidity of the indoor air can be adjusted using the humidity of the outdoor air.
Further, the plurality of operation modes may further include: and an air purification mode, wherein the indoor air is filtered by the filter and then discharged into the room.
The dehumidification portion 23 is used to cool the air discharged to the room by the first blower 21 in the dehumidification mode, and may be configured by an evaporator of a heat pump, for example. Also, the dehumidifying part 23 may include: a dehumidifying rotor which absorbs moisture contained in indoor air and discharges the moisture to outdoor air; a driving unit that rotates the desiccant rotor; and a heating unit that heats the outdoor air flowing through the desiccant rotor to supply heat for reuse of the desiccant rotor.
The humidifying unit 24 is used to heat the air discharged to the room by the first blower 21 in the humidifying mode, and may be formed of a condenser of a heat pump, for example.
Also, the air conditioner 1 may further include at least one filter (not shown) for filtering air discharged to the indoor.
In addition, in order to sense the indoor environmental condition, a plurality of sensors including the temperature sensor 51 and the humidity sensor 52 may be further provided. The plurality of sensors may be provided in a sensing box (not shown) separately provided independently of the air conditioner 1, may be provided in the air conditioner 1, or may be separately provided at various locations in the room.
The plurality of sensors may further include: a dust sensor 53 for sensing the amount of dust contained in the indoor air; CO 22 A sensor 54 for sensing CO contained in the indoor air2The amount of (c); the VOC sensor 55 for sensing the amount of VOC (volatile organic compounds) contained in the indoor air.
The plurality of sensorsIndoor temperature, indoor humidity, dust concentration, CO sensed by the sensor2The control unit 10 of the air conditioner 1 receives the concentration of VOC.
The air conditioner 1 may be operated in an automatic operation mode in which a plurality of operation modes are automatically operated according to preset conditions. The air conditioner 1 may be equipped with an automatic operation button (not shown). When the user presses the automatic operation button, the air conditioner 1 may sense an indoor environmental condition to operate in a desired operation mode.
In this case, the control unit 10 may be provided with priorities for the plurality of operation modes, and may be set such that the ventilation mode is operated in preference to the other operation modes. Here, the ventilation mode priority operation includes a case where the ventilation mode, the humidity adjustment mode, and the air purification mode are sequentially operated in the automatic operation mode, and the ventilation mode is operated by interrupting the operation mode being operated when the ventilation mode operation condition is satisfied when the humidity adjustment mode or the air purification mode is operated.
The component for determining the quality of the indoor air comprises CO2VOC, fine dust, temperature, and humidity, wherein the standard for determining the degree of indoor air pollution may be dust or CO as a pollutant2And the concentration of VOC.
The efficiency of the air conditioner may become different according to which one of the plurality of operation modes is operated. Namely, CO2And the degree of decrease in the concentration of VOC and dust concentration may be different, and the degree to which the temperature/humidity of the indoor air is changed may be different.
Due to the CO2Not filtered by the filter and therefore can be most efficiently reduced in concentration by operating the aeration mode.
There is a slight effect on the VOC in the case of operating the air purification mode, but if the ventilation mode is operated, the concentration can be reduced more effectively than the air purification mode.
Although the air exchange mode may be operated to discharge the dust to the outside of the room to remove a portion of the dust, the air purification mode may be operated to filter the dust at the filter, thereby most effectively reducing the concentration.
As for the temperature, if a ventilation mode in which total heat exchange is performed between indoor air and outdoor air is operated, the indoor temperature can be changed into a comfortable state, as compared to the cooling mode or the heating mode. In order to perform the total heat exchange, a total heat exchanger that performs heat exchange between indoor air and outdoor air when ventilation is performed may be provided.
As for the humidity, it is possible to most effectively make the indoor humidity into a comfortable state by operating the dehumidification mode. Obviously, the ventilation mode may be operated to adjust the indoor humidity within a limited range using the outdoor air, as compared to the dehumidification mode.
Therefore, the most effective operation mode for changing the element for determining the quality of the indoor air may be different for each element. In this case, for CO2And VOC and the like are not filtered by the filter, the operation of the ventilation mode is most effective, and the operation of the air cleaning mode is most effective for dust and the like which can be filtered by the filter.
In this case, due to CO2And VOC has a great influence on the human body, and therefore, this is a very important criterion in determining the comfort of the environment, and therefore, the control unit 10 is set to first operate the ventilation mode among the plurality of operation modes if the automatic operation mode is operated.
Further, the ventilation mode operation condition may be constantly monitored in a state where the operation of the ventilation mode is stopped, including a case where the operation mode other than the ventilation mode is being operated, and if the ventilation operation condition is satisfied, the operation mode currently being operated may be interrupted and the ventilation mode may be operated.
The air conditioner 1 may be further equipped with a timer 31 for measuring an operation time of the ventilation mode.
If the operation of the ventilation mode is started, the timer 31 measures the operation time. The minimum operation time of the ventilation mode may be set in the control unit 10. If the ventilation mode is started, it is required to operate above the minimum operation time to judge the state change of the indoor air by the exchange of the indoor air and the outdoor air and to produce the least meaningful degree of ventilation effect.
The control unit 10 may set a maximum operation time of the ventilation mode. If the ventilation mode is operated, outdoor air flows into the indoor, and thus the quality of indoor air is affected by the quality of outdoor air. If the operation time of the ventilation mode is longer than the required time, the quality of the indoor air is also degraded in case of poor quality of the outdoor air, and the ventilation mode needs to be re-operated in order to improve the deteriorated quality of the indoor air, thereby causing the operation time of the ventilation mode to be excessively long. Therefore, it is necessary to limit the maximum time for operating the ventilation mode to the maximum operation time.
The control unit 10 may be provided with a stop limit time of the ventilation mode. The stop limit time is set to prevent the stop state of the ventilation mode not operating for a predetermined time or more from lasting too long.
The optimum control region will be described with reference to fig. 2.
In order to obtain the optimum indoor humidity for the current indoor temperature, the optimum control area may be stored in the storage unit 60 as a table value.
The optimum control region A, B stored as the table values may be represented as a predetermined region defined by a predetermined range of temperatures and a predetermined range of humidity in an icon having the horizontal axis as the room temperature (T) and the vertical axis as the room humidity (RH, relative humidity), as shown in fig. 2.
The optimal control region A, B may be formed of at least two regions A, B, at least a portion of which do not overlap.
In this case, the at least two regions A, B may be configured to adopt different regions depending on the season. In fig. 2, a lower temperature region, i.e., an optimal control region a, may be used in winter, and a higher temperature region, i.e., an optimal control region B, may be used in summer. Also, the C region where the a region and the B region overlap may be employed in the season change period. The C region may be set as an independent region different from the a region and the B region, or the optimal control region may be configured as two regions, i.e., an a region including the C region and a B region including the C region.
The optimum humidity region is a humidity zone corresponding to the current indoor temperature in the optimum humidity region A, B, and thus may be defined as a range between the lowest humidity and the highest humidity within the optimum control region A, B.
The optimum humidity region and humidification and dehumidification will be described in more detail with reference to fig. 3. In fig. 3, only one optimum humidity region a is shown, but the definition of the optimum humidity region described below can be similarly applied to another region, i.e., the region B.
In the case where the indoor temperature sensed by the temperature sensor 51 is T1 and the indoor temperature sensed by the humidity sensor 52 is RH1, the current indoor environmental condition is the position of P1 in the graph of fig. 3. Therefore, the current indoor humidity is outside the optimum humidity range a, and therefore, humidity adjustment is required.
In this case, an optimum humidity range, that is, an optimum humidity zone corresponding to the current indoor temperature T1 may be defined in the optimum humidity region a. In fig. 3, the optimum humidity range corresponding to the current indoor temperature T1 is a range from RH3, which is the lowest humidity, to RH5, which is the highest humidity.
Therefore, since the current indoor humidity is lower than the minimum humidity and humidification is required, the control unit 10 may operate the humidification unit 24 to operate the humidification mode until the indoor humidity reaches the maximum humidity RH 5. Further, the operation may be performed not until the indoor humidity reaches the maximum humidity RH5 but until the indoor humidity reaches a humidity between the minimum humidity RH3 and the maximum humidity RH 5.
When the indoor temperature is T2 and the indoor humidity is RH6, the current indoor environmental condition is the position of P2 in the graph of fig. 3. Therefore, the indoor humidity is outside the optimum humidity region a, and therefore, humidity adjustment is required.
In this case, in the optimum humidity region a, an optimum humidity section, which is an optimum humidity range corresponding to the current indoor temperature T2, may be defined. In fig. 3, the optimum humidity range corresponding to the current indoor temperature T2 is a range between RH2, which is the lowest humidity, and RH4, which is the highest humidity.
Therefore, since the current indoor humidity is higher than the maximum humidity RH4 and dehumidification is required, the control unit 10 may operate the dehumidification unit 23 to operate the dehumidification mode until the minimum humidity RH2 is reached. Further, the operation may be performed not until the indoor humidity reaches the minimum humidity RH2 but until the indoor humidity reaches a humidity between the minimum humidity RH2 and the maximum humidity RH 4.
The humidity may be adjusted by a ventilation mode instead of operating a dehumidification mode and a humidification mode.
A case of using the optimum control region by season will be described with reference to fig. 4.
The optimum humidity range may be set to a range different depending on the temperature.
When the optimum control area is set to the area a, the optimum humidity range is a small and high humidity range because the optimum humidity range is between the minimum humidity a1 and the maximum humidity a2 when the current indoor environmental condition is the position of P3. The above-described situation may occur in the case of indoor drying in winter or the like. In this case, the operation is the humidification mode, and the operation time of the humidification mode is controlled to be long in order to make the indoor humidity reach the maximum humidity a2 in the optimum humidity range from P3. Of course, although the operation of the humidification mode may be terminated when the indoor humidity is between the minimum humidity a1 and the maximum humidity a2, if the humidification mode is terminated under a humidity condition in which the indoor humidity is lower than the maximum humidity a2, the range of the optimum humidity section is small, and therefore the indoor humidity rapidly deviates from the optimum control area a, and therefore the humidification mode may be frequently repeated in operation and stop. Therefore, it is preferable to operate the humidification mode until the indoor humidity reaches the maximum humidity a 2.
When the optimum control area is set to the B area, the optimum humidity range is between the minimum humidity B1 and the maximum humidity B2 when the current indoor environmental condition is the position of P4, and therefore the range in the optimum humidity range is a small and low humidity range. The above-described situation may occur in the case where the room is wet such as in rainy season. In this case, the operation is the dehumidification mode, and the operation time of the dehumidification mode is controlled to be long in order to make the indoor humidity reach the minimum humidity b1 of the optimum humidity range from P4. Of course, although the operation of the dehumidification mode may be terminated when the indoor humidity is between the minimum humidity B1 and the maximum humidity B2, if the dehumidification mode is terminated under a humidity condition in which the indoor humidity is higher than the minimum humidity B1, the range of the optimum humidity section is small, and the indoor humidity may quickly deviate from the optimum control area B particularly in a case where the humidity is high such as in rainy season. The indoor humidity is rapidly deviated from the optimal control area B and thus the dehumidification mode may be frequently repeatedly operated and stopped. Therefore, it is preferable to operate the dehumidification mode until the indoor humidity reaches the minimum humidity b 1.
When the optimum control area is set to the a or B area, if the current indoor environmental condition is the position of P5, the optimum humidity range is within the C area and between the minimum humidity C1 and the maximum humidity C2, and therefore the range of the optimum humidity range is larger than that in the case where the indoor environmental condition is P3 or P4. In this case, if the humidification mode is operated in the state of P5, the optimum humidity range is entered even if the operation is performed for a short time. The operation in the humidification mode may be configured to operate until the maximum humidity c2 is reached, or may be configured to humidify until a humidity between the minimum humidity c1 and the maximum humidity c2 is reached. As described above, even if the end time of the humidification mode is set between the minimum humidity c1 and the maximum humidity c2, since the range of the optimum humidity section is wide and the variation of the indoor humidity in the season change period is not large, it takes a long time to leave the optimum control region, and frequent repetition of the operation and stop of the humidification mode can be prevented. In addition, when the indoor environmental condition is the P6 position, the same operational effect is obtained as compared with the case of P5, except that the operation is the dehumidification mode.
Therefore, it may be set that the range of the optimum humidity section corresponding to the indoor temperature is smaller and the humidity is lower as being closer to the highest temperature TH1 or TH2, and the range of the optimum humidity section corresponding to the indoor temperature is smaller and the humidity is higher as being closer to the lowest temperature TL1 or TL2, and the range of the optimum humidity section may be set to be larger at the middle portion between the highest temperature TH1 or TH2 and the lowest temperature TL1 or TL 2.
A method for controlling the air conditioner 1 in the humidity adjustment mode according to the present invention will be described with reference to fig. 5.
In step S101, the indoor temperature information sensed at the temperature sensor 51 and the indoor humidity information sensed at the humidity sensor 52 are received by the control part 10.
In step S102, the control unit 10 selects which of the plurality of optimum control regions A, B stored in the storage unit 60 is to be used. In this case, the optimum control region corresponding to the season can be selected by determining the season.
In step S103, the control unit 10 derives an optimum humidity zone from the received indoor temperature information and the selected optimum control area.
In step S104, the control unit 10 determines whether the received indoor humidity is within the optimum control area. As a result of the determination, if the optimum control region is deviated, step S105 is performed, otherwise step S106 is performed.
In step S105, the control unit 10 operates in the humidity adjustment mode so that the indoor humidity is within the optimum control area. The humidity adjustment mode may include a humidification mode, a dehumidification mode, and a ventilation mode. In the case of adjusting the indoor humidity using the ventilation mode, it may be determined whether to receive humidity information of outdoor air and operate as the ventilation mode based thereon, or it may be determined a degree of deviation from an optimal control area and operate as the ventilation mode only if the degree of deviation is within a set difference. In addition, the ventilation mode may be operated first to determine whether the indoor humidity is adjusted in a desired direction from the amount of change in the indoor humidity, and then to determine whether the ventilation mode is continued.
In step S106, the control unit 10 determines whether or not the humidity adjustment mode termination condition is satisfied. In this case, the humidity adjustment mode end condition may be set to the highest humidity at which the indoor humidity reaches the optimum humidity section, or may also be set to a predetermined humidity between the lowest humidity and the highest humidity at which the optimum humidity section is reached. And according to the judgment result, under the condition that the humidity adjusting mode ending condition is met, ending the operation of the humidity adjusting mode, otherwise, maintaining the operation of the humidity adjusting mode.
A control method for the case where the ventilation mode is preferentially operated in the air conditioner 1 according to the present invention will be described with reference to fig. 6.
If the user presses the auto-run button, the auto-run mode is started.
If the automatic operation mode is started, the step of determining whether to operate the air supply mode may be performed in preference to the ventilation mode. It may be configured such that it is determined whether the control part 10 receives a signal for operating the exhaust fan of the bathroom or kitchen as the user uses the bathroom or kitchen, and if it is determined that the signal for operating the exhaust fan is received, the air supply mode is operated to supply outdoor air to the indoor, so that contaminated air of the indoor space can be rapidly discharged to the outdoor. The determination and operation of whether or not the air supply mode is in operation may be performed in preference to the other operation mode simultaneously with the start of the automatic operation mode.
The ventilation mode may be operated for a first preset time before determining whether the ventilation mode is operated.
If the ventilation is performed within the first preset time, the mixing of the indoor air and the outdoor air is achieved, and thus more accurate indoor environmental conditions can be sensed at the plurality of sensors. For this reason, the first preset time may be appropriately set to a time that can be determined that sufficient mixing of the indoor air and the outdoor air is performed. If it is a mode capable of circulating or mixing the indoor air other than the ventilation mode, other modes including an air purification mode may be operated.
In step S201, it is determined whether or not the ventilation mode is currently being operated. When the first preset time is operated, the ventilation mode is operated, so that step S202 is performed, and when it is determined whether the ventilation mode is operated or not in the case of the dehumidification mode or the air purification mode, which will be described later, the ventilation mode is not operated, so that step S201 performs step S203.
In step S202, it is determined whether or not the operation of the ventilation mode satisfies the minimum operation time condition. Once the ventilation mode is operated, it is necessary to operate above a minimum operating time to produce a meaningful degree of ventilation. In the case where the first preset time is set, the minimum operating time may be set to be shorter or longer than the first preset time. If the minimum operation time is shorter than the first preset time and ventilation has been performed for the first preset time, it may be determined in step S202 that the minimum operation time condition has been satisfied. Further, the minimum operation time may be set to be further operated when ventilation has been performed for the first preset time. And, whether the operation within the first preset time is enabled or not may be configured to be selectable by a user, and the first preset time and the minimum operation time may also be adjusted according to the selection of the user.
And (3) if the judgment result of the step (S202) is that the condition of the minimum operation time is met, performing a step (S204), otherwise, operating the ventilation mode until the condition of the minimum operation time is met.
In step S203, it is determined whether or not the stop time of the ventilation mode is equal to or longer than a second preset time. The second preset time is the stop limit time of the ventilation mode explained above. The timer 31 starts to count time after the operation of the ventilation mode is stopped, and performs step S204 when the stop time of the ventilation mode reaches a second preset time, otherwise performs step S211.
If the ventilation mode is at restThe state time exceeds the stop limit time, and the indoor CO is2And the concentration of VOC becomes high and may become an environment harmful to human body, so that the ventilation mode is operated after the state of indoor air is judged, thereby preventing indoor CO2And the concentration of VOC becomes high.
In this case, the stop limit time needs to be set to an appropriate time to prevent from being set to a long time beyond that required. If set for a longer time than necessary, there is room air being CO2And the state of VOC pollution persists for a long time. On the contrary, if the stop limit time is set to be too short, when ventilation is repeated due to satisfaction of the ventilation mode operation condition during operation of the dehumidification mode, the operation time of the dehumidification mode may be increased due to frequent operation of the ventilation mode when the humidity of outdoor air is high, such as in rainy season. In the case of operating the dehumidification mode, since the heat pump or the dehumidification rotor needs to be operated, the energy consumption amount increases compared to the case of operating the ventilation mode, and therefore, the stop limit time needs to be set to an appropriate time in consideration of the above-described problem.
In step S204, CO is determined as a criterion for determining the degree of indoor air pollution2And whether the concentration of one or more of the VOCs exceeds a preset reference. At this time, the CO is judged2Indoor CO measured by sensor 542Whether the concentration exceeds a preset reference, and whether the concentration of VOC in the room measured by the VOC sensor 55 exceeds the preset reference is judged. If the judgment result is the CO2If the concentration of one or more of the concentration and the VOC concentration exceeds the preset reference, step S205 is performed, otherwise step S211 is performed.
In step S205, it is determined whether the continuous operation time of the ventilation mode reaches a third preset time. The third preset time is the maximum operation time of the ventilation mode explained above. By limiting the maximum operation time of the ventilation mode to the third preset time as described above, it is possible to limit the influence of the outdoor air on the indoor air in the case where the quality of the outdoor air is poor.
For example, if the ventilation mode is operated for a long time in a case where the humidity of outdoor air is high, such as in rainy season, the indoor humidity becomes high, and the operation time of the dehumidification mode may become long. In the case of operating the dehumidification mode, energy used to operate the heat pump or the dehumidification rotor is consumed more, and thus energy efficiency may be reduced. Therefore, by limiting the operation time of the ventilation mode to a predetermined time, the operation efficiency of the air conditioner 1 can be improved.
And, if CO is in the outdoor air2In many cases, the ventilation mode is operated until the CO is reached2May drop below a preset level, and thus may cause the ventilation mode to operate for too long. Therefore, by operating the ventilation mode only for the maximum operation time, it is possible to prevent the quality of the indoor air from being deteriorated by the outdoor air.
As described above, if the continuous operation time determination result of the ventilation mode is less than the third preset time, the process proceeds to step S204, otherwise, the process proceeds to step S211.
In addition, if heat exchange is performed between the indoor air and the outdoor air through the total heat exchanger in the ventilation mode of operation, it is possible to make the temperature of the indoor air in a comfortable state without consuming additional energy.
If the ventilation mode is ended through the process as described above, the dehumidification mode is performed.
In step S211, it is determined whether or not the dehumidification function is available. The air conditioner 1 may or may not have a dehumidifying function. If the determination result is that the dehumidification function is not provided, step S221 is performed, and if the determination result is that the dehumidification function is provided, step S212 is performed.
It is determined whether the dehumidifying operation condition is satisfied in step S212. The dehumidification operation condition is a condition for determining whether or not a state requiring dehumidification is present, and the dehumidification operation condition can be determined to be satisfied when the indoor humidity exceeds the optimum control area. According to the judgment result, when the dehumidifying operation condition is satisfied, the step S213 is performed, otherwise, the step S221 is performed.
In step S213, the dehumidification mode is operated. In this case, the control unit 10 operates the first blower 21 and the dehumidification unit 23 to dehumidify the indoor air and discharge the air into the room again. In the process of operating in the dehumidification mode, step S214 is performed.
It is determined in step S214 whether or not the dehumidification end condition is satisfied. The dehumidification completion condition may be satisfied when the indoor humidity is a minimum humidity in an optimum humidity range or a preset humidity between the minimum humidity and a maximum humidity in the optimum humidity range. And according to the judgment result, under the condition that the dehumidification ending condition is met, ending the operation of the dehumidification mode, otherwise, maintaining the operation of the dehumidification mode.
In the process of performing each of the steps S211 to S214, the operation condition of the ventilation mode may be monitored, and when the operation condition of the ventilation mode is satisfied, the currently performed step may be interrupted and the ventilation mode may be operated.
The ventilation mode operation condition may be monitored in step S201, step S203, and step S204.
In the case where the above-described steps S211 to S214 are performed, since the ventilation mode is not currently being operated, the operation is performed as step S203 according to the determination result of step S201, and it is determined whether or not the continuous stop time of ventilation is the second preset or more in step S203. The timer 31 starts counting time after stopping the operation of the ventilation mode so that the continuous ventilation stop time is more than or equal to a second preset time and CO2And operating in a ventilation mode when the/VOC concentration exceeds a preset reference. When the continuous stop time of ventilation is not more than second preset time or CO2When the/VOC concentration does not exceed the preset reference, the operation in the dehumidification mode is maintained, and when the continuous operation time after the operation in the ventilation mode is not less than the third preset time, the operation in the ventilation mode is ended and step S211 is performed.
As described above, by controlling the ventilation mode to be performed in preference to the dehumidification mode, CO in the indoor air can be reduced2VOC concentration management as a preset benchmarkThe following steps. Thereby enabling to minimize CO2And the effect of VOCs on the human body. Further, by preferentially operating the ventilation mode in which the energy consumption is smaller than that in the dehumidification mode, the energy consumption can be reduced.
In the above, the dehumidification mode, which is one of the humidity adjustment modes, is explained, but the first blower 21 and the humidifying portion 24 may be controlled to operate as the humidification mode by the same method as the method explained in steps S211 to S214.
If the dehumidification mode is ended through the process as described above, the air purification mode is performed. The dehumidification mode or the humidification mode is performed in preference to the air purification mode.
In step S221, it is determined whether the indoor dust satisfies a preset reference. In the case where the amount of dust of the indoor air sensed by the dust sensor 53 satisfies the preset reference, the state of the indoor air is good, so step S223 is performed, otherwise step S222 is performed.
In step S222, the operation is the air cleaning mode. By operating the first blower 21, indoor air is sucked in, filtered by a filter, and then discharged into the room again. If the indoor dust satisfies the preset reference through the operation of the air cleaning mode, the process proceeds to step S223.
In step S223, it is determined whether or not the operation time of the air purification mode is equal to or longer than a fourth preset time in order to additionally operate the air purification mode within the fourth preset time.
Even if the dust of the indoor air satisfies the preset reference, the amount of dust contained in the indoor air may be minimized by additionally operating the air purification mode for the fourth preset time.
Therefore, the end condition of the air cleaning mode is configured to satisfy both the first condition that the dust of the indoor air satisfies the preset reference and the second condition that the additional operation is performed for the fourth preset time.
The operation condition of the ventilation mode may be monitored during the operation of each of the steps S221 to S223, and if the operation condition of the ventilation mode is satisfied, the currently performed step may be interrupted and the ventilation mode may be operated. When the operation in the ventilation mode is finished, step S211 may be performed.
In step S212, when the indoor humidity deviates from the optimum control region A, B and the operation condition of the humidification mode or the dehumidification mode is satisfied, the ventilation mode may be operated instead of the humidification mode or the dehumidification mode. That is, when the humidity of the outdoor air is higher than that of the indoor air, the indoor air can be humidified by the outdoor air, and when the humidity of the outdoor air is lower than that of the indoor air, the indoor air can be dehumidified by the outdoor air.
For example, in fig. 3, if the ventilation mode is operated when the current indoor environmental condition is the position of P1, the outdoor air can be made to flow into the room to humidify the indoor air. In this case, if the humidity of the indoor air falls within the range of the optimum control area a or falls between the optimum humidity ranges RH3 and RH5, the operation of the ventilation mode may be interrupted. Further, since it may be difficult to humidify the room only by the ventilation mode to a desired degree, the ventilation mode may be operated until the humidity of the indoor air reaches RH3 which is the lower end of the optimum humidity range, and then operated as the humidification mode from RH3 to RH 5. Similarly, when the indoor environmental condition is the position of P2, dehumidification is performed only in the ventilation mode, or the dehumidification mode is performed until the indoor humidity reaches RH4 and then RH 2.
Then, the degree of deviation of the position of P1 from the optimum control region a, which is the current indoor environmental condition, is determined, and if the degree of deviation is within the set range, the operation may be preferentially performed as the ventilation mode without first performing the humidification mode.
In this case, whether or not the target humidity adjustment can be achieved when operating in the ventilation mode is determined in advance based on the information on the indoor humidity and the outdoor humidity, and then it may be determined whether or not to operate in the ventilation mode. Whether the target humidity adjustment can be achieved may be judged by the indoor humidity changed by the operation of the ventilation mode for a predetermined time.
As described above, if the operation is not the humidification mode or the dehumidification mode but the ventilation mode is preferentially operated, CO of the indoor air is reduced2The VOC concentration can reduce energy consumption.
As described above, the present invention has been described in detail by taking the preferred embodiments as examples, but the present invention is not limited to the above-described embodiments, and can be variously modified and implemented within the scope of the claims, the embodiments of the present invention, and the drawings, and these fall within the scope of the present invention.

Claims (15)

1. An air conditioner, comprising:
a temperature sensor for sensing an indoor temperature;
a humidity sensor for sensing indoor humidity;
a storage unit that stores an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity;
a control unit that operates a humidity adjustment mode to enter within a range of the optimal control area when the indoor humidity is out of the optimal control area;
a dust sensor for sensing an amount of dust contained in indoor air,
the control part is configured to determine whether the amount of dust of the indoor air satisfies a preset reference when the indoor humidity enters the range of the optimal control area through the humidity adjustment mode, and to operate an air purification mode when the preset reference is not satisfied,
the humidity adjusting mode includes a dehumidification mode for dehumidifying the indoor,
the control unit controls the operation of the dehumidification mode or the air purification mode to be interrupted and the ventilation mode to be operated even when an operation condition of the ventilation mode is satisfied during the operation of the dehumidification mode or the air purification mode while operating the ventilation mode for a second preset time which is a maximum operation time in preference to the dehumidification mode,
in the process of operating the dehumidification mode, when the continuous stop time of the ventilation is more than a first preset time and CO2And a VOC exceeding a predetermined reference, the control unit determines that the operating condition of the ventilation mode is satisfied.
2. The air conditioner according to claim 1, further comprising:
a humidifying part for humidifying the indoor air,
the control unit obtains an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and controls the humidification unit until the indoor humidity reaches a predetermined humidity in the optimum humidity section when the indoor humidity is lower than the minimum humidity.
3. The air conditioner according to claim 1, further comprising:
a dehumidification part for dehumidifying the indoor air,
the control unit obtains an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and controls the dehumidifying unit until the indoor humidity reaches a predetermined humidity in the optimum humidity section when the indoor humidity is higher than the maximum humidity.
4. The air conditioner according to claim 1,
the optimum control area is set such that, among the temperatures in the predetermined range, the closer to the maximum temperature, the lower the optimum humidity zone corresponding to the indoor temperature; the closer to the lowest temperature, the higher the optimum humidity section corresponding to the indoor temperature among the predetermined range of temperatures.
5. The air conditioner according to claim 1,
the optimal control region includes at least two regions where at least a portion of the regions do not overlap,
the control unit is configured to set the at least two regions to be applied to seasons different from each other, respectively.
6. The air conditioner according to claim 5,
the at least two regions are set such that a portion of the regions overlap.
7. The air conditioner according to claim 1,
the humidity adjustment mode further includes a humidification mode for humidifying the inside of the room,
the control unit is configured to determine a degree of the indoor humidity exceeding the optimal control area by operating the ventilation mode in preference to the humidification mode and the dehumidification mode, and determine that the indoor humidity can be entered into the optimal control area by operating the ventilation mode when the degree of the exceeding is within a preset range.
8. A control method of an air conditioner is characterized by comprising the following steps:
a) receiving information on an indoor temperature and an indoor humidity;
b) determining, at a control section, whether the indoor humidity is out of a range of an optimum control area defined by a predetermined range of temperature and a predetermined range of humidity;
c) the control unit controls the air conditioner to operate in a humidity adjustment mode so as to enter a range of the optimal control area when the indoor humidity is out of the optimal control area;
d) receiving information about dust of indoor air;
e) judging whether the amount of dust of the indoor air satisfies a preset reference when the indoor humidity enters the range of the optimal control area through the c) step,
f) the control part controls to operate an air cleaning mode to satisfy the preset reference when the amount of dust of the indoor air does not satisfy the preset reference,
the humidity adjusting mode includes a dehumidification mode for dehumidifying the indoor,
the control unit controls the ventilation mode to be operated in preference to the dehumidification mode and the air purification mode and to be operated only for a second preset time which is a maximum operation time, and also controls the dehumidification mode or the air purification mode to be interrupted and the ventilation mode to be operated even when an operation condition of the ventilation mode is satisfied during the operation of the dehumidification mode or the air purification mode,
in the process of operating the dehumidification mode, when the continuous stop time of the ventilation is more than a first preset time and CO2And a VOC exceeding a predetermined reference, the control unit determines that the operating condition of the ventilation mode is satisfied.
9. The control method of an air conditioner according to claim 8,
the control unit determines an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and controls the operation in the humidification mode until the indoor humidity reaches a predetermined humidity in the optimum humidity section when the indoor humidity is lower than the minimum humidity.
10. The control method of an air conditioner according to claim 9,
the optimum control area is set such that the temperature within the predetermined range is closer to the lowest temperature, the optimum humidity zone corresponding to the indoor temperature is set to a higher humidity zone,
and, when operating the humidification mode, the indoor temperature is controlled to be closer to the minimum temperature, and the operation time of the humidification mode is controlled to be longer.
11. The control method of an air conditioner according to claim 8,
the control unit obtains an optimum humidity section defined by a range between a minimum humidity and a maximum humidity in the optimum control area so as to correspond to the indoor temperature, and operates a dehumidification mode until the indoor humidity becomes a predetermined humidity in the optimum humidity section when the indoor humidity is higher than the maximum humidity.
12. The control method of an air conditioner according to claim 11,
the optimum control area is set such that the temperature within the predetermined range is closer to the maximum temperature, the optimum humidity zone corresponding to the indoor temperature is set to a lower humidity zone,
and, when operating the dehumidification mode, the control is performed such that the operating time of the dehumidification mode is longer as the indoor temperature approaches the maximum temperature.
13. The control method of an air conditioner according to claim 8,
the optimal control region includes at least two regions where at least a portion of the regions do not overlap,
the control part determines seasons and controls the at least two regions to be applied to seasons different from each other, respectively.
14. The control method of an air conditioner according to claim 8,
the humidity adjustment mode further includes a humidification mode for humidifying the inside of the room,
the control unit controls the ventilation mode to be operated in preference to the humidification mode or the dehumidification mode.
15. The control method of an air conditioner according to claim 8,
the control part determines a degree of deviation of the indoor humidity from the optimal control area in the step b), and determines that the indoor humidity can enter the optimal control area through the operation of the ventilation mode if the degree of deviation is within a predetermined range.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180464A (en) * 2014-08-11 2014-12-03 珠海格力电器股份有限公司 Linkage control method for fresh air machine and air conditioner
CN104729000A (en) * 2013-12-23 2015-06-24 海尔集团公司 Air conditioner and intelligent temperature and humidity regulating method thereof
CN105352032A (en) * 2015-10-13 2016-02-24 湖南集森节能环保科技有限公司 Air conditioning unit capable of regulating temperature and humidity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3864982B2 (en) * 2005-05-30 2007-01-10 ダイキン工業株式会社 Air conditioning system
JP5858021B2 (en) * 2013-10-10 2016-02-10 ダイキン工業株式会社 Air conditioner
CN103968505A (en) * 2014-05-12 2014-08-06 浪潮电子信息产业股份有限公司 Indoor environment intelligent adjustment system
CN104390320A (en) * 2014-11-18 2015-03-04 苏州市海魄洁净环境工程有限公司 Clean room temperature and humidity automatic control device
CN105509246B (en) * 2015-12-24 2018-09-11 珠海格力电器股份有限公司 Humidification control method and device for air conditioner
CN106288170A (en) * 2016-08-11 2017-01-04 广东美的制冷设备有限公司 The control method of air-conditioner and device, air-conditioner
CN106196501A (en) * 2016-08-11 2016-12-07 广东美的制冷设备有限公司 The control method of air-conditioner and device, air-conditioner
CN107388492A (en) * 2017-07-14 2017-11-24 广东美的制冷设备有限公司 Control method, controller, humidifier, system and the storage medium of humidity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104729000A (en) * 2013-12-23 2015-06-24 海尔集团公司 Air conditioner and intelligent temperature and humidity regulating method thereof
CN104180464A (en) * 2014-08-11 2014-12-03 珠海格力电器股份有限公司 Linkage control method for fresh air machine and air conditioner
CN105352032A (en) * 2015-10-13 2016-02-24 湖南集森节能环保科技有限公司 Air conditioning unit capable of regulating temperature and humidity

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