WO2019138534A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

Info

Publication number
WO2019138534A1
WO2019138534A1 PCT/JP2018/000619 JP2018000619W WO2019138534A1 WO 2019138534 A1 WO2019138534 A1 WO 2019138534A1 JP 2018000619 W JP2018000619 W JP 2018000619W WO 2019138534 A1 WO2019138534 A1 WO 2019138534A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
temperature
temperature sensor
filter
unit
Prior art date
Application number
PCT/JP2018/000619
Other languages
English (en)
Japanese (ja)
Inventor
一也 道上
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019564237A priority Critical patent/JP6910474B2/ja
Priority to PCT/JP2018/000619 priority patent/WO2019138534A1/fr
Publication of WO2019138534A1 publication Critical patent/WO2019138534A1/fr

Links

Images

Classifications

    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to an air conditioner having a filter for removing foreign matter from return air from a room space from which indoor units blow out conditioned air.
  • a ceiling-embedded indoor unit is often installed in a ceiling pocket, which is a ceiling with a suction port down.
  • the ceiling-embedded indoor unit uses a ceiling chamber system as a suction system, and ventilates by taking outside air from an outside air intake port opened to the inside of the ceiling via a duct communicating from the outside.
  • An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide an air conditioner which can easily discriminate a filter clogging mechanically and clean the filter at an appropriate timing by an operator. .
  • An air conditioner includes an indoor unit, a filter disposed outside a suction port of the indoor unit, which removes foreign matter from return air from a living room space from which the indoor unit blows off conditioned air, and the suction port.
  • An external air intake port for supplying external air, a first temperature sensor disposed inside the intake port for measuring the temperature of intake air before harmony, a second temperature sensor disposed in the living room space, and the first temperature sensor
  • a control unit having a clogging determination unit that determines that the filter is clogged if the difference between the temperature measured by the temperature sensor and the temperature measured by the second temperature sensor is equal to or greater than a threshold value; .
  • the clogging determination unit determines that the filter is clogged if the difference between the measured temperature of the first temperature sensor and the measured temperature of the second temperature sensor is equal to or greater than the threshold value.
  • a control unit is provided. Therefore, the clogging of the filter can be easily determined mechanically, and the operator can clean the filter at an appropriate timing.
  • FIG. 1 is a refrigerant circuit diagram showing an air conditioning apparatus 100 according to Embodiment 1 of the present invention.
  • An air conditioner 100 shown in FIG. 1 connects an outdoor unit 101 and an indoor unit 102 by a gas refrigerant pipe 103 and a liquid refrigerant pipe 104.
  • the outdoor unit 101 includes a compressor 105, a four-way valve 106, an outdoor heat exchanger 107, and an expansion valve 108.
  • the compressor 105 compresses and discharges the sucked refrigerant.
  • the compressor 105 may change the operating frequency arbitrarily by, for example, an inverter circuit or the like to change the capacity of the compressor 105 to send out the refrigerant per unit time.
  • the four-way valve 106 is a valve that switches the flow of the refrigerant, for example, between the cooling operation and the heating operation.
  • the outdoor heat exchanger 107 performs heat exchange between the refrigerant and the outdoor air.
  • the outdoor heat exchanger 107 functions as a condenser during the cooling operation to condense and liquefy the refrigerant.
  • the outdoor heat exchanger 107 functions as an evaporator during the heating operation to evaporate and evaporate the refrigerant.
  • the expansion valve 108 is a flow control valve and decompresses and expands the refrigerant.
  • the opening degree can be adjusted based on an instruction from a control device or the like (not shown).
  • the indoor unit 102 has an indoor heat exchanger 109.
  • the indoor heat exchanger 109 performs, for example, heat exchange between the air to be air-conditioned and the refrigerant.
  • the indoor heat exchanger 109 functions as an evaporator during the cooling operation to evaporate and vaporize the refrigerant.
  • the indoor heat exchanger 109 functions as a condenser during heating operation to condense and liquefy the refrigerant.
  • the flow of the refrigerant can be switched by the four-way valve 106 of the outdoor unit 101, and the cooling operation or the heating operation can be realized.
  • FIG. 2 is a schematic view showing an installation environment of the indoor unit 102 according to Embodiment 1 of the present invention. As shown in FIG. 2, the indoor unit 102 is disposed in a ceiling 111 which is a lowered ceiling partitioned from a living room space 110 from which the indoor unit 102 blows the conditioned air.
  • the indoor unit 102 is disposed inside the suction port 102 a and has a first temperature sensor 112 that measures the temperature of suction air before harmony.
  • the first temperature sensor 112 is disposed upstream of the indoor heat exchanger 109 and the blower fan 113 in the indoor unit 102 in the air flow direction.
  • a filter 114 capable of communicating air is disposed at the partition between the living room space 110 and the ceiling pocket 111.
  • the filter 114 is removably attached to the vent 115.
  • the filter 114 is disposed outside the suction port 102a of the indoor unit 102, and removes foreign matter from the return air from the room space 110 where the indoor unit 102 blows the conditioned air.
  • the filter 114 is an air filter that collects foreign matter and causes clogging.
  • An outside air intake port 117 is provided in the ceiling case 111 via a duct 116 which leads from the outside.
  • the outside air intake port 117 supplies outside air to the inlet 102 a of the indoor unit 102.
  • a remote control 119 connected to the indoor unit 102 via the communication line 118 is disposed in the room space 110.
  • the remote control 119 adjusts the set temperature.
  • the set temperature may be set from other than the remote controller 119.
  • the remote controller 119 is provided with a second temperature sensor 120.
  • the second temperature sensor 120 may be separate from the remote controller 119 as long as it is disposed in the room space 110 and connected to the indoor unit 102 via a communication line.
  • the indoor unit 102 is provided with a control unit 121 that performs clogging detection control of the filter 114, which is a feature of the first embodiment described later.
  • the control unit 121 includes a clogging determination unit 126.
  • the clogging determination unit 126 determines that the clogging of the filter 114 has occurred if the difference between the measurement temperature T1 of the first temperature sensor 112 and the measurement temperature T2 of the second temperature sensor 120 is equal to or greater than the threshold ⁇ .
  • the control unit 121 is a processing circuit including a microcomputer provided with a CPU, a ROM, a RAM, an I / O port, and the like.
  • FIG. 3 is a functional block diagram showing functions necessary for clogging detection control of the filter 114 of the air-conditioning apparatus 100 according to Embodiment 1 of the present invention.
  • the air conditioning apparatus 100 can control the compressor 105, the four-way valve 106, the expansion valve 108, and the like for performing air conditioning in the cooling operation or the heating operation as other functions.
  • the air conditioning apparatus 100 includes a first temperature sensor 112 and a control unit 121 in the indoor unit 102.
  • the first temperature sensor 112 measures the intake air temperature of the indoor unit 102.
  • the air conditioning apparatus 100 includes a second temperature sensor 120, a display unit 122, and an operation unit 123 in the remote control 119.
  • the second temperature sensor 120 measures the room temperature of the living space 110.
  • the display unit 122 displays an alarm or displays an operation result.
  • the operation unit 123 is operated by the user to set the set temperature.
  • the control unit 121 of the indoor unit 102 includes the temperature difference calculation unit 124, the thermo-off operation detection unit 125, the clogging determination unit 126, the alarm issuing unit 127, the clogging operation unit 128, and the normal operation unit 129. Including.
  • the thermo-off operation detection unit 125 detects that the thermo-off operation in which the operation of the air conditioning apparatus 100 switches to the air blowing operation when the measurement temperature T1 of the first temperature sensor 112 reaches the set temperature.
  • the set temperature is set by operating the operation unit 123 provided on the remote control 119.
  • the implementation of the thermo-off operation itself may be controlled by a control device (not shown) such as the outdoor unit 101 or the like.
  • the clogging determination unit 126 determines that the difference ⁇ T between the measurement temperature T1 of the first temperature sensor 112 and the measurement temperature T2 of the second temperature sensor 120 is a threshold ⁇ or more. It is determined that clogging of the filter 114 has occurred.
  • the alarm issuing unit 127 issues an alarm when the clogging determination unit 126 determines that clogging of the filter 114 has occurred.
  • the alarm issuing unit 127 may display an alarm of clogging of the filter 114 on the display unit 122 of the remote control 119.
  • the alarm issuing unit 127 may notify the administrator of an alarm on the clogging of the filter 114 via the communication network.
  • the clogging operation unit 128 compares the set temperature set by the remote control 119 with the measurement temperature T2 of the second temperature sensor 120 to perform air conditioning. Conduct. That is, when the clogging of the filter 114 occurs, the clogging operation unit 128 performs the air conditioning by the measurement temperature T2 of the second temperature sensor 120 provided in the remote control 119 disposed in the room space 110 to be actually air conditioned. carry out.
  • the normal operation unit 129 compares the set temperature set by the remote controller 119 with the measurement temperature T1 of the first temperature sensor 112 at the normal time to perform air conditioning. That is, when there is no clogging of the filter 114, the normal operation unit 129 performs the air conditioning by the measurement temperature T1 of the first temperature sensor 112 that measures the suction air temperature of the indoor unit 102 in order to achieve the efficiency of the air conditioning control. .
  • FIG. 4 is a flowchart showing clogging detection control of the filter 114 of the air conditioning apparatus 100 according to Embodiment 1 of the present invention.
  • the clogging detection control routine for the filter 114 is repeatedly performed at predetermined intervals.
  • the air conditioning apparatus 100 implements air conditioning in the cooling operation or the heating operation.
  • the indoor unit 102 sucks the air of the living space 110 from the air vent 115 in which the filter 114 is disposed.
  • the indoor unit 102 also sucks the outside air from the outside air intake port 117 through the duct 116.
  • the indoor unit 102 blows out the conditioned air heat-exchanged with the refrigerant by the indoor heat exchanger 109 from the outlet 130 into the room space 110.
  • the set temperature of the room space 110 is set by operating the operation unit 123 of the remote control 119.
  • the measured temperature T1 of the first temperature sensor 112 which measures the intake air temperature of the indoor unit 102 in order to improve the efficiency of air conditioning control when the normal operation unit 129 does not clog the filter 114 at normal times. To carry out air conditioning.
  • step S101 the control unit 121 receives the measured temperature T1 of the first temperature sensor 112. After the present process, the process proceeds to step S102.
  • step S102 the control unit 121 receives the measured temperature T2 of the second temperature sensor 120. After the present process, the process proceeds to step S103.
  • step S103 the temperature difference calculation unit 124 of the control unit 121 calculates the difference between the measurement temperature T1 of the first temperature sensor 112 and the measurement temperature T2 of the second temperature sensor 120, and the difference value ⁇ T of the absolute value Calculate
  • the process proceeds to step S104.
  • step S104 the thermo-off operation detection unit 125 of the control unit 121 has started the thermo-off operation where the operation of the air conditioning apparatus 100 switches to the air blowing operation when the measured temperature T1 of the first temperature sensor 112 reaches the set temperature. Whether or not to detect. If it is detected in step S104 that the thermo-off operation has been started, the process proceeds to step S105. When it is not detected in step S104 that the thermo-off operation has been started, the process proceeds to step S110.
  • ⁇ T becomes smaller as the air conditioning operation time passes, and becomes minimum when the measured temperature T1 reaches the set temperature.
  • the operation to switch to the air blowing operation when the measured temperature T1 reaches the set temperature is a thermo-off operation.
  • step S105 the clogging determination unit 126 of the control unit 121 sets the difference value ⁇ T between the measurement temperature T1 of the first temperature sensor 112 and the measurement temperature T2 of the second temperature sensor 120 to the threshold value ⁇ immediately after the start of the thermo-off operation. It is determined whether or not it is above. If ⁇ T ⁇ threshold ⁇ in step S105, the process proceeds to step S106. If ⁇ T ⁇ threshold ⁇ in step S105, the process proceeds to step S110.
  • thermo-off operation if ⁇ T ⁇ threshold ⁇ , there is no difference between the measured temperature T1 and the measured temperature T2, in other words, the room temperature of the room 110 and the suction air temperature of the indoor unit 102 of the ceiling 111. It is determined that there is no deviation and that the filter 114 is not clogged.
  • the filter 114 attached to the vent 115 is clogged, in the indoor unit 102, the amount of outside air intake from the outside air intake port 117 increases due to the pressure loss difference. In addition, in the indoor unit 102, the intake amount of return air from the air vent 115 in the living space 110 is reduced. Therefore, the temperature in the ceiling pocket 111 approaches the outside air temperature, and ⁇ T gradually increases regardless of the air conditioning operation of cooling and heating. In other words, the temperature of the ceiling pocket 111 approaches the outside temperature more than the room temperature of the room space 110. Therefore, it is possible to determine that the filter 114 is clogged by the determination of ⁇ T ⁇ ⁇ the threshold ⁇ .
  • step S106 the clogging determination unit 126 of the control unit 121 determines that the filter 114 is clogged. After the present process, the process proceeds to step S107.
  • step S107 the alarm issuing unit 127 of the control unit 121 issues an alarm when the clogging determination unit 126 determines that clogging of the filter 114 has occurred.
  • the alarm issuing unit 127 may display an alarm of clogging of the filter 114 on the display unit 122 of the remote control 119.
  • the alarm issuing unit 127 may notify the administrator of an alarm on the clogging of the filter 114 via the communication network.
  • the alarm issuing unit 127 displays, for example, a filter cleaning sign on the remote control 119.
  • step S108 when the clogging determination unit 126 determines that the clogging of the filter 114 has occurred, the clogging operation unit 128 of the control unit 121 sets the temperature set by the remote control 119 to the second temperature sensor 120. Air conditioning is performed in comparison with the measurement temperature T2 of. That is, when the clogging of the filter 114 occurs, the clogging operation unit 128 performs the air conditioning by the measurement temperature T2 of the second temperature sensor 120 provided in the remote control 119 disposed in the room space 110 to be actually air conditioned carry out. This prevents the room temperature of the room space 110 from deviating significantly from the set temperature. Then, overcooling or overheating is suppressed. After the present process, the process proceeds to step S109.
  • the control unit 121 may detect the start of the thermo-on operation and may determine that the filter 114 is clogged even when ⁇ T ⁇ the threshold value ⁇ .
  • step S109 the control unit 121 performs air conditioning in the thermo-off operation and the thermo-on operation, and determines whether or not the clogging of the filter 114 has been eliminated. Specifically, while performing air conditioning, it is determined whether or not ⁇ T ⁇ threshold ⁇ . When clogging of the filter 114 is eliminated in step S109, the process proceeds to step S110. If clogging of the filter 114 is not eliminated in step S109, the process returns to step S107.
  • step S110 the normal operation unit 129 of the control unit 121 performs air conditioning by comparing the set temperature set by the remote control 119 with the measurement temperature T1 of the first temperature sensor 112 at normal times. That is, when there is no clogging of the filter 114, the normal operation unit 129 performs the air conditioning by the measurement temperature T1 of the first temperature sensor 112 that measures the suction air temperature of the indoor unit 102 in order to achieve the efficiency of the air conditioning control. .
  • the first temperature sensor 112 of the indoor unit 102 and the second temperature sensor 120 built in the remote control 119 are divided into the ceiling pocket 111 and the room space 110 through the vent 115 to which the filter 114 is attached. Will be installed. Therefore, when the filter 114 is clogged, the amount of outside air introduced from the duct 116 into the outside air intake port 117 is increased, and a temperature difference is generated between the ceiling pocket 111 and the room space 110. In view of this phenomenon, clogging of the filter 114 can be detected.
  • the clogging state of the filter 114 independent of the indoor unit 102 can be detected, the operator can clean at an appropriate timing, and the filter 114 can be maintained clean. In addition, it is possible to prevent a decrease in air conditioning capacity due to clogging of the filter 114.
  • the air conditioning apparatus 100 includes the indoor unit 102.
  • the air conditioning apparatus 100 is disposed outside the suction port 102a of the indoor unit 102, and includes a filter 114 that removes foreign matter from the return air from the room space 110 from which the indoor unit 102 blows the conditioned air.
  • the air conditioning apparatus 100 includes an outside air intake port 117 that supplies the outside air to the intake port 102a.
  • the air conditioning apparatus 100 includes a first temperature sensor 112 which is disposed inside the suction port 102a and measures the temperature of suction air before harmony.
  • the air conditioner 100 includes a remote control 119 that adjusts the set temperature.
  • the air conditioning apparatus 100 includes a second temperature sensor 120 disposed in the living room space 110.
  • the air conditioner 100 determines that the filter 114 is clogged if the difference ⁇ T between the measured temperature T1 of the first temperature sensor 112 and the measured temperature T2 of the second temperature sensor 120 is equal to or greater than the threshold ⁇ .
  • a control unit 121 having a determination unit 126 is provided.
  • the clogging is determined that the filter 114 is clogged if the difference ⁇ T between the measurement temperature T1 of the first temperature sensor 112 and the measurement temperature T2 of the second temperature sensor 120 is equal to or greater than the threshold ⁇ .
  • a control unit 121 having a determination unit 126 is provided.
  • the indoor unit 102 is disposed in the ceiling 111 separated from the room space 110.
  • the filter 114 is disposed such that air can freely pass through the partition between the living room space 110 and the ceiling panel 111.
  • the outside air intake port 117 is provided in the ceiling pocket 111 via a duct 116 communicating from the outside.
  • the clogging determination unit 126 is divided from the measured temperature T1 of the first temperature sensor 112 disposed inside the suction port 102a of the indoor unit 102 disposed in the ceiling pocket 111 and the ceiling pocket 111 It can be determined that clogging of the filter 114 has occurred if the difference ⁇ T between the measured temperature T2 of the second temperature sensor 120 disposed in the living room space 110 and the threshold value ⁇ . Therefore, clogging of the filter 114 can be easily determined mechanically, and the operator can clean the filter 114 at an appropriate timing.
  • the air conditioning apparatus 100 includes the remote control 119 that adjusts the set temperature.
  • the second temperature sensor 120 is provided to the remote control 119.
  • the second temperature sensor 120 is integrated with the remote controller 119, and if the remote controller 119 is disposed in the living room space 110, it is not necessary to individually arrange the second temperature sensor 120. Thereby, the installation work of the air conditioning apparatus 100 becomes easy.
  • control unit 121 has the normal operation unit 129 that performs air conditioning by comparing the set temperature set by the remote control 119 or the like at the normal time with the measurement temperature T1 of the first temperature sensor 112.
  • the normal operation unit 129 can perform air conditioning by comparing the set temperature set by the remote control 119 or the like at the normal time with the measurement temperature T1 of the first temperature sensor 112. Thereby, the air conditioning apparatus 100 can efficiently perform comfortable air conditioning at normal times.
  • the control unit 121 includes the thermo-off operation detection unit 125 that detects the thermo-off operation that switches to the air-blowing operation when the measured temperature T1 of the first temperature sensor 112 reaches the set temperature.
  • the clogging determination unit 126 determines that clogging of the filter 114 has occurred if the difference ⁇ T is equal to or greater than the threshold value ⁇ immediately after the thermo-off operation detection unit 125 detects the start of the thermo-off operation.
  • the measurement temperature T1 of the first temperature sensor 112 disposed inside the suction port 102a of the indoor unit 102 disposed in the ceiling pocket 111 is the room temperature 110 of the air conditioning target.
  • the set temperature is reached.
  • the measured temperature T1 of the first temperature sensor 112 should normally match the temperature of the room 110 to be air-conditioned.
  • the clogging determination unit 126 can determine that clogging of the filter 114 has occurred in this case.
  • control unit 121 has the alarm issuing unit 127 that issues an alarm when the clogging determination unit 126 determines that the clogging of the filter 114 has occurred.
  • the control unit 121 measures the set temperature set by the remote control 119 or the like by the second temperature sensor 120. It has a clogging operation unit 128 that performs air conditioning as compared to the temperature T2.
  • the air conditioning apparatus 100 may perform overcooling or overheating air conditioning. Therefore, when the clogging determination unit 126 determines that the clogging of the filter 114 has occurred, the measured temperature T2 of the second temperature sensor 120 provided in the remote control 119 disposed in the room space 110 to be actually air conditioned As a result, the air conditioning is continued, and even though the efficient control of the air conditioning is sacrificed, the deviation of the room temperature measurement can be prevented, and the comfort of the living space 110 can be maintained preferentially.
  • Reference Signs List 100 air conditioner, 101 outdoor unit, 102 indoor unit, 102 a suction port, 103 gas refrigerant piping, 104 liquid refrigerant piping, 105 compressor, 106 four-way valve, 107 outdoor heat exchanger, 108 expansion valve, 109 indoor heat exchanger , 110 room space, 111 ceiling space, 112 first temperature sensor, 113 air blower fan, 114 filter, 115 air vent, 116 duct, 117 outside air intake, 118 communication line, 119 remote controller, 120 second temperature sensor, 121 controller , 122 display unit, 123 operation unit, 124 temperature difference calculation unit, 125 thermo-off operation detection unit, 126 clogging determination unit, 127 alarm issuing unit, 128 clogging operation unit, 129 normal operation unit, 130 outlet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un dispositif de climatisation comprenant : une unité intérieure ; un filtre qui est disposé sur l'extérieur d'une ouverture d'aspiration de l'unité intérieure, et qui élimine la matière étrangère de l'air de retour provenant d'un espace de vie dans lequel l'unité intérieure souffle de l'air climatisé ; une ouverture d'admission d'air extérieur pour fournir de l'air extérieur à l'ouverture d'aspiration ; un premier capteur de température qui est disposé sur l'intérieur de l'ouverture d'aspiration, et qui mesure la température de l'air d'aspiration avant d'être climatisé ; un second capteur de température disposé dans l'espace de vie ; et une unité de commande ayant une unité de détermination d'obstruction pour déterminer que le filtre a été obstrué lorsqu'une différence entre la température mesurée par le premier capteur de température et la température mesurée par le second capteur de température est supérieure ou égale à une valeur seuil.
PCT/JP2018/000619 2018-01-12 2018-01-12 Dispositif de climatisation WO2019138534A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019564237A JP6910474B2 (ja) 2018-01-12 2018-01-12 空気調和装置
PCT/JP2018/000619 WO2019138534A1 (fr) 2018-01-12 2018-01-12 Dispositif de climatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/000619 WO2019138534A1 (fr) 2018-01-12 2018-01-12 Dispositif de climatisation

Publications (1)

Publication Number Publication Date
WO2019138534A1 true WO2019138534A1 (fr) 2019-07-18

Family

ID=67219449

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/000619 WO2019138534A1 (fr) 2018-01-12 2018-01-12 Dispositif de climatisation

Country Status (2)

Country Link
JP (1) JP6910474B2 (fr)
WO (1) WO2019138534A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111288608A (zh) * 2020-03-04 2020-06-16 宁波奥克斯电气股份有限公司 一种过滤网脏堵提醒的控制方法、控制装置及空调器
CN111288607A (zh) * 2020-03-04 2020-06-16 宁波奥克斯电气股份有限公司 一种检测空调换热器脏堵的方法、装置及其空调器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08261540A (ja) * 1995-03-24 1996-10-11 Mitsubishi Electric Corp 空気調和機
JPH0942744A (ja) * 1995-07-31 1997-02-14 Toyotomi Co Ltd 空気調和機の制御装置
JP2006090595A (ja) * 2004-09-22 2006-04-06 Fujitsu General Ltd 空気調和機
WO2007004557A1 (fr) * 2005-06-30 2007-01-11 Daikin Industries, Ltd. Dispositif de ventilation
US20130158717A1 (en) * 2011-12-14 2013-06-20 Honeywell International Inc. Hvac controller with delta-t based diagnostics
JP2013164190A (ja) * 2012-02-10 2013-08-22 Daikin Industries Ltd 空気調和装置
US9702577B1 (en) * 2015-06-24 2017-07-11 Amazon Technologies, Inc. Dynamic determination of fan speeds

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10300121A (ja) * 1997-04-25 1998-11-13 Hitachi Ltd 外気導入用スペーサーを持つ空気調和機
JP2017219298A (ja) * 2016-06-10 2017-12-14 株式会社東芝 運転マップ作成装置、空調制御装置、運転マップ作成方法及びコンピュータプログラム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08261540A (ja) * 1995-03-24 1996-10-11 Mitsubishi Electric Corp 空気調和機
JPH0942744A (ja) * 1995-07-31 1997-02-14 Toyotomi Co Ltd 空気調和機の制御装置
JP2006090595A (ja) * 2004-09-22 2006-04-06 Fujitsu General Ltd 空気調和機
WO2007004557A1 (fr) * 2005-06-30 2007-01-11 Daikin Industries, Ltd. Dispositif de ventilation
US20130158717A1 (en) * 2011-12-14 2013-06-20 Honeywell International Inc. Hvac controller with delta-t based diagnostics
JP2013164190A (ja) * 2012-02-10 2013-08-22 Daikin Industries Ltd 空気調和装置
US9702577B1 (en) * 2015-06-24 2017-07-11 Amazon Technologies, Inc. Dynamic determination of fan speeds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111288608A (zh) * 2020-03-04 2020-06-16 宁波奥克斯电气股份有限公司 一种过滤网脏堵提醒的控制方法、控制装置及空调器
CN111288607A (zh) * 2020-03-04 2020-06-16 宁波奥克斯电气股份有限公司 一种检测空调换热器脏堵的方法、装置及其空调器
CN111288607B (zh) * 2020-03-04 2022-02-08 宁波奥克斯电气股份有限公司 一种检测空调换热器脏堵的方法、装置及其空调器

Also Published As

Publication number Publication date
JPWO2019138534A1 (ja) 2020-08-20
JP6910474B2 (ja) 2021-07-28

Similar Documents

Publication Publication Date Title
EP3333509B1 (fr) Dispositif à cycle de réfrigération
CN114450524B (zh) 空调换气系统
AU2018422256B2 (en) Refrigerant leakage determination device, air-conditioning apparatus, and refrigerant leakage determination method
US10724766B2 (en) Refrigeration cycle apparatus
AU2016404760B2 (en) Refrigeration cycle apparatus
WO2017199808A1 (fr) Dispositif à cycle frigorifique
AU2018410266B2 (en) Indoor unit of air-conditioning apparatus, and air-conditioning apparatus including the indoor unit
KR20100059522A (ko) 공기조화기의 제어방법
WO2017187562A1 (fr) Appareil à cycle frigorifique
WO2020115935A1 (fr) Système de conditionnement d'air
JP2019168194A (ja) 外気処理ユニット
WO2019138534A1 (fr) Dispositif de climatisation
JP6503246B2 (ja) エアハンドリングユニット用熱源機の制御装置
KR20080062985A (ko) 공기조화시스템 및 그 제어방법
JP6661775B2 (ja) 空気調和装置
EP4160101A1 (fr) Système de ventilation pour une pièce
KR20090067738A (ko) 공기조화기의 제어방법
JP2011149646A (ja) 空気調和機
KR101911271B1 (ko) 실내기 및 그 제어방법
WO2019198176A1 (fr) Unité intérieure pour dispositif de climatisation
JP3523428B2 (ja) 空気調和機
KR20100013745A (ko) 열교환기의 결빙 억제 기능을 가지는 공기조화기 및 그제어 방법
KR20010062961A (ko) 공기조화기의 풍량 조절장치 및 그 방법
KR20060034113A (ko) 공기조화기의 실외기 운전상태 표시방법
JPH11248233A (ja) 加湿機能付き空気調和機

Legal Events

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

Ref document number: 18900164

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019564237

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18900164

Country of ref document: EP

Kind code of ref document: A1