WO2024180589A1 - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
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- WO2024180589A1 WO2024180589A1 PCT/JP2023/006998 JP2023006998W WO2024180589A1 WO 2024180589 A1 WO2024180589 A1 WO 2024180589A1 JP 2023006998 W JP2023006998 W JP 2023006998W WO 2024180589 A1 WO2024180589 A1 WO 2024180589A1
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- unit
- indoor
- refrigerant
- inspection mode
- shutoff
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Definitions
- the present invention relates to air conditioner technology.
- Patent Document 1 discloses an air conditioner in which a mechanism is provided in the liquid refrigerant pipes and gas refrigerant pipes that connect an outdoor unit equipped with a compressor to multiple indoor units equipped with indoor expansion valves and indoor heat exchangers to shut off the flow of refrigerant circulating in each of the liquid refrigerant pipes and gas refrigerant pipes, and the shut-off mechanism operates when refrigerant leaks from the indoor units, thereby preventing refrigerant leakage from the indoor units.
- Patent Document 1 it is necessary to drive the compressor and check the cycle state of the air conditioner according to the opening and closing operation of the shutoff mechanism, which takes a lot of time in a multi-air conditioning system in which multiple indoor units are connected, for example. Therefore, with the conventional technology, there was a problem that the convenience of the person carrying out the inspection was compromised.
- the present invention aims to provide technology that can improve convenience for those who conduct tests.
- An air conditioner has an outdoor unit having an outdoor expansion valve, an outdoor heat exchanger, a four-way valve, and a compressor, an indoor unit having an indoor heat exchanger and an indoor expansion valve that adjusts the amount of refrigerant flowing to the indoor heat exchanger, the outdoor unit and the indoor unit are connected in parallel to the same refrigerant piping system, either singly or in multiples, a shutoff unit having multiple built-in shutoff mechanisms capable of shutting off the flow of refrigerant between the outdoor unit and the indoor unit, and a refrigerant leak detector electrically connected to the indoor unit.
- the shutoff unit is connected to the outdoor unit by at least one liquid pipe through which liquid refrigerant flows and at least one gas pipe through which gas refrigerant flows, and is connected to the indoor unit by at least one liquid pipe through which liquid refrigerant flows and at least one gas pipe through which gas refrigerant flows.
- the shutoff unit has a simple inspection mode for checking the refrigerant leak detection operation of the refrigerant leak detector, and a detailed inspection mode for operating the compressor to check that each of the multiple shutoff mechanisms built into the shutoff unit is operating normally, and is capable of selectively implementing the simple inspection mode and the detailed inspection mode.
- the present invention makes it possible to provide technology that can improve convenience for those conducting tests.
- FIG. 1 is a diagram showing the configuration of an air conditioner according to an embodiment of the present invention
- FIG. 2 is a diagram showing the configuration of a leak detector.
- 5 is a flowchart showing the flow of processing executed by an outdoor unit control unit and the like.
- FIG. 13 is a diagram illustrating an example of grouping. 13 is a flowchart showing the flow of a unit inspection mode. 13 is a flowchart showing the flow of a unit inspection mode.
- Fig. 1 is a diagram showing the configuration of an air conditioner 1 according to this embodiment. Note that Fig. 1 shows one outdoor unit and three indoor units as an example, but the number of units is not limited to this. Also, the refrigeration cycle in Fig. 1 is an example, and the refrigeration cycle is not limited to this refrigeration cycle.
- Air conditioner 1 comprises indoor units 2, 3, 4, and outdoor unit 5.
- Outdoor unit 5 is connected to indoor units 2, 3, and 4, which are arranged in parallel, by refrigerant piping.
- Outdoor unit 5 is connected to compressor 54, four-way valve 53 that switches between cooling and heating operation, outdoor heat exchanger 52, and outdoor expansion valve 51 by refrigerant piping.
- Outdoor unit 5 also comprises outdoor blower 55 for promoting heat exchange of the refrigerant.
- Outdoor unit 5 comprises outdoor unit control unit 57 that performs various controls of air conditioner 1.
- the indoor unit 2 is composed of an indoor expansion valve 22, an indoor heat exchanger 21, a temperature sensor 25, an indoor blower 23, an indoor unit control unit 26, and a leak detector 24.
- the indoor heat exchanger 21 and the indoor expansion valve 22 are connected by a refrigerant pipe.
- the indoor unit 2 is also electrically connected to the leak detector 24.
- the outdoor expansion valve 51 and the indoor expansion valve 22 are connected by a liquid refrigerant pipe.
- a liquid refrigerant shut-off valve 61 is provided between the indoor expansion valve 22 and the outdoor expansion valve 51.
- the indoor heat exchanger 21 and the four-way valve 53 are also connected by a gas refrigerant pipe, and a gas refrigerant shut-off valve 62 is provided between the indoor heat exchanger 21 and the four-way valve 53.
- the indoor unit 3 is composed of an indoor expansion valve 32, an indoor heat exchanger 31, a temperature sensor 35, an indoor blower 33, an indoor unit control unit 36, and a leak detector 34.
- the indoor heat exchanger 31 and the indoor expansion valve 32 are connected by a refrigerant pipe.
- the indoor unit 3 is also electrically connected to the leak detector 34.
- the outdoor expansion valve 51 and the indoor expansion valve 32 are connected by a liquid refrigerant pipe.
- a liquid refrigerant shut-off valve 71 is provided between the indoor expansion valve 32 and the outdoor expansion valve 51.
- the indoor heat exchanger 31 and the four-way valve 53 are also connected by a gas refrigerant pipe, and a gas refrigerant shut-off valve 72 is provided between the indoor heat exchanger 31 and the four-way valve 53.
- the indoor unit 4 is composed of an indoor expansion valve 42, an indoor heat exchanger 41, a temperature sensor 45, an indoor blower 43, an indoor unit control unit 46, and a leak detector 44.
- the indoor heat exchanger 41 and the indoor expansion valve 42 are connected by a refrigerant pipe.
- the indoor unit 4 is also electrically connected to the leak detector 44.
- the outdoor expansion valve 51 and the indoor expansion valve 42 are connected by a liquid refrigerant pipe.
- a liquid refrigerant shut-off valve 81 is provided between the indoor expansion valve 42 and the outdoor expansion valve 51.
- the indoor heat exchanger 41 and the four-way valve 53 are also connected by a gas refrigerant pipe, and a gas refrigerant shut-off valve 82 is provided between the indoor heat exchanger 41 and the four-way valve 53.
- the outdoor unit control unit 57 can communicate with the indoor unit control units 26, 36, and 47 described above.
- a general-purpose protocol such as Modbus may be used as the communication method.
- the liquid refrigerant shutoff valves 61, 71, and 81 and the gas refrigerant shutoff valves 62, 72, and 82 are opened and closed under the control of the outdoor unit control unit 57.
- the detection results of the leak detectors 24, 34, and 44 are notified to the outdoor unit control unit 57 via the indoor unit control units 26, 36, and 47.
- Each function executed by the outdoor unit control unit 57 and the indoor unit control units 26, 36, 47 is realized by, for example, a hardware processor such as a CPU (Central Processing Unit) executing a program (software). Some or all of these components may be realized by hardware (including circuitry) such as an LSI (Large Scale Integration), ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array), or GPU (Graphics Processing Unit), or may be realized by a combination of software and hardware.
- LSI Large Scale Integration
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- GPU Graphics Processing Unit
- the program may be stored in advance in a storage device (a storage device with a non-transient storage medium) such as an HDD (Hard Disk Drive), SSD (Solid State Drive), or flash memory, or may be stored in a removable storage medium (non-transient storage medium) such as a DVD or CD-ROM, and installed by inserting the storage medium into a drive device.
- a storage device a storage device with a non-transient storage medium
- a storage device with a non-transient storage medium such as an HDD (Hard Disk Drive), SSD (Solid State Drive), or flash memory
- a removable storage medium non-transient storage medium
- the outdoor unit control unit 57 and the indoor unit control units 26, 36, and 47 are provided with an operation unit (not shown) that accepts operations by the person carrying out the inspection.
- any of the liquid refrigerant shutoff valves 61, 71, 81 and the gas refrigerant shutoff valves 62, 72, 82 may be in the form of a motorized valve with a variable opening that can shut off the flow of refrigerant, or in the form of a solenoid valve that can be switched between an open and closed state.
- the air conditioner 1 comprises an outdoor unit 2 having an outdoor expansion valve 51, an outdoor heat exchanger 52, a four-way valve 53 and a compressor 54, indoor units 2, 3, 4 having indoor heat exchangers 21, 31, 41 and indoor expansion valves 22, 32, 42 that adjust the amount of refrigerant flowing to the indoor heat exchangers 21, 31, 41, a shutoff unit that connects the outdoor unit 5 and the indoor units 2, 3, 4 in parallel to the same refrigerant piping system, either singly or in multiples, and incorporates multiple shutoff mechanisms (liquid refrigerant shutoff valves 61, 71, 81; gas refrigerant shutoff valves 62, 72, 92) that can shut off the flow of refrigerant between the outdoor unit 5 and the indoor units 2, 3, 4, and a refrigerant leak detector (leak detector 24, 34, 44) electrically connected to the indoor units 2, 3, 4.
- a shutoff unit that connects the outdoor unit 5 and the indoor units 2, 3, 4 in parallel to the same refrigerant piping system, either singly or in multiple
- shutoff units There are three corresponding shutoff units: (liquid refrigerant shutoff valve 61, gas refrigerant shutoff valve 62), (liquid refrigerant shutoff valve 71, gas refrigerant shutoff valve 72), and (liquid refrigerant shutoff valve 81, gas refrigerant shutoff valve 82).
- FIG. 2 is a diagram showing the configuration of the leak detectors 24, 34, 44.
- the leak detectors 24, 34, 44 are composed of a simple inspection mode execution button 501, an alarm LED (Light Emitting Diode) 502, an alarm buzzer 503, and a refrigerant leak sensor 504.
- the simple inspection mode execution button 501 is a button operated by an inspector, etc. It is composed of a refrigerant leak sensor 504.
- the simple inspection mode execution button 501 is a button for checking whether the alarm LED 502 is lit or not, and whether the alarm buzzer 503 issues an alarm or not. If there is a malfunction in the alarm LED 502, the alarm LED 502 will not light up even if the simple inspection mode execution button 501 is operated. Similarly, if there is a malfunction in the alarm buzzer 503, the alarm buzzer 503 will not issue an alarm even if the simple inspection mode execution button 501 is operated.
- the alarm LED 502 is an LED that lights up when a leak is detected by the refrigerant leak sensor 504 or when the simple inspection mode execution button 501 is operated.
- the alarm buzzer 503 is a buzzer that issues an alarm when a leak is detected by the refrigerant leak sensor 504 or when the simple inspection mode execution button 501 is operated.
- the refrigerant leak sensor 504 is a sensor for detecting refrigerant leaks in indoor units 2, 3, and 4.
- FIG. 3 is a flowchart showing the flow of processing executed by the outdoor unit control unit 57, the indoor unit control units 26, 36, 47, and the leak detectors 24, 34, 44.
- the outdoor unit control unit 57 receives an operation to start the outdoor unit detailed inspection mode on the operation unit (step S101: YES)
- the outdoor unit control unit 57 starts an inspection operation of the shutoff valves (liquid refrigerant shutoff valves 61, 71, 81, gas refrigerant shutoff valves 62, 72, 82) (step S104).
- This inspection operation of the shutoff valves is an operation for inspecting whether the piping is connected correctly by opening and closing the shutoff valves.
- the simple inspection mode is a mode in which the person conducting the inspection operates the inspection mode execution button 501, confirms that the alarm LED 502 is lit and that the alarm buzzer 503 is sounding an alarm, and inputs the presence or absence of an abnormality in the alarm LED 502 and the alarm buzzer 503 to the indoor unit control unit.
- the target of the simple inspection mode is the leak detector 24.
- the target of the simple inspection mode is the leak detector 34.
- the target of the simple inspection mode is the leak detector 44.
- step S105 If the operation to start the simple inspection mode has not been accepted (step S105: NO), proceed to step S109. If the operation to start the simple inspection mode has been accepted (step S105: YES), it is determined whether or not a signal indicating that there is no abnormality in the alarm LED 502 has been input (step S106). If a signal indicating that there is an abnormality has been input (step S106: NO), the indoor unit control unit 26 confirms the abnormality (step S108) and proceeds to step S109.
- step S106 determines whether or not "no abnormality" has been input for the alarm buzzer 503 (step S107). If “abnormality” has been input (step S107: NO), the indoor unit control unit 26 confirms the abnormality (step S108) and proceeds to step S109.
- step S106 If “no abnormality” is input (step S106: YES), the outdoor unit control unit 57 judges whether or not the person conducting the inspection has input "no abnormality in the shutoff valve" (step S109). If “abnormality” is input (step S109: NO), the outdoor unit control unit 57 confirms the abnormality (step S110) and stops operation (step S111). If “no abnormality” is input (step S109: YES), the outdoor unit control unit 57 stops operation as is (step S111).
- the first embodiment has a simple inspection mode for checking the refrigerant leakage detection operation of the leakage detectors (24, 34, 44) and a detailed inspection mode for operating the compressor 54 to check that each of the multiple shutoff mechanisms built into the shutoff unit is operating normally, and the simple inspection mode and the detailed inspection mode can be selectively implemented.
- Fig. 4 is a diagram showing an example of group division.
- the configuration shown in Fig. 4 is the same as the configuration shown in Fig. 1, so the description of each part will be omitted.
- the grouping shown in FIG. 4 shows a form in which the test target unit is divided into two groups (Gr1, Gr2).
- the test target unit is composed of an indoor unit, a liquid refrigerant shutoff valve, and a gas refrigerant shutoff valve. A configuration including these three is considered to be one test target unit.
- the test target unit is grouped so that there is at least one group including at least two test target units. Therefore, for example, if there are five test target units, the test target units may be grouped into two groups including two test target units and one group including one test target unit, or one group including two test target units and two groups including one test target unit, or one group including three test target units and one group including two test target units.
- FIG. 5 is a flowchart showing the flow of the unit inspection mode. Note that the process shown in Figure 5 is based on the grouping shown in Figure 4.
- step S201 when the outdoor unit control unit 57 receives an operation to start the unit inspection mode on the operation unit (step S201: YES), it determines whether the air conditioner 1 is operating or not (step S202). If the air conditioner 1 is not operating (step S202: NO), the process proceeds to step S204. If the air conditioner 1 is operating (step S202: YES), the outdoor unit control unit 57 stops operation (step S203) and proceeds to step S204.
- the outdoor unit control unit 57 closes the liquid refrigerant shutoff valve 81 of Gr1 to be inspected (step S204) and starts operation (step S205). At this time, the shutoff valves of Gr2 (liquid refrigerant shutoff valves 61, 71, gas refrigerant shutoff valves 62, 72) are open, and cooling or heating operation is performed. When the operating state is stabilized, the outdoor unit control unit 57 checks with the temperature sensor 45 installed in the indoor heat exchanger 41 that the liquid refrigerant shutoff valve 81 is closed (step S206).
- the outdoor unit control unit 57 After confirming that the liquid refrigerant shutoff valve 81 is normal, the outdoor unit control unit 57 opens the liquid refrigerant shutoff valve 81 (step S207), closes the gas refrigerant shutoff valve 82 (step S208), and confirms that the gas refrigerant shutoff valve 82 is closed by the temperature sensor 45 (step S209). After confirming that the gas refrigerant shutoff valve 82 is normal, the outdoor unit control unit 57 opens the gas refrigerant shutoff valve 82 (step S210) and moves on to inspecting Gr2.
- the shutoff valves of Gr1 liquid refrigerant shutoff valve 81, gas refrigerant shutoff valve 82
- the indoor unit 4 continue cooling or heating operation.
- the outdoor unit control unit 57 closes the liquid refrigerant shutoff valves 61, 71 (step S211) and confirms that the liquid refrigerant shutoff valves 61, 71 are closed using the temperature sensors 25, 35 installed on the indoor heat exchangers 21, 31 (step S212).
- the outdoor unit control unit 57 After confirming that the liquid refrigerant shutoff valves 61, 71 are normal, the outdoor unit control unit 57 opens the liquid refrigerant shutoff valves 61, 71 (step S213), closes the gas refrigerant shutoff valves 62, 72 (step S214), and confirms that the gas refrigerant shutoff valves 62, 72 are closed using the temperature sensors 25, 35 (step S215). After confirming that the gas refrigerant shutoff valves 62, 72 are normal, the outdoor unit control unit 57 opens the gas refrigerant shutoff valves 62, 72 (step S216) and ends the unit inspection mode.
- an outdoor unit including an outdoor expansion valve, an outdoor heat exchanger, a four-way valve, and a compressor
- an indoor unit including an indoor heat exchanger and an indoor expansion valve that adjusts the amount of refrigerant flowing through the indoor heat exchanger
- a shutoff unit in which the outdoor unit and the indoor unit are connected in parallel to the same refrigerant piping system, and a shutoff mechanism is built in that can shut off the flow of refrigerant between the outdoor unit and the indoor unit
- a refrigerant leak detector electrically connected to the indoor unit
- An inspection target unit including the shutoff unit and the indoor heat exchanger
- Equipped with the blocking unit is connected to the outdoor unit by at least one liquid pipe through which a liquid refrigerant flows and at least one gas pipe through which a gas refrigerant flows, and is connected to the indoor unit by at least one liquid pipe through which a liquid refrigerant flows and at least one gas pipe through which a gas refrigerant flows, a test mode for operating
- (Appendix 2) 2. The air conditioner according to claim 1, wherein when the inspection mode is performed, a group that is not inspected performs either cooling operation, heating operation, or simultaneous heating and cooling operation.
- Appendix 3 The air conditioner according to claim 1, characterized in that the grouping divides the number of indoor units included in the unit to be inspected into approximately equal numbers.
- Appendix 4 The air conditioner according to claim 1, wherein the groups are divided so that the total capacities of the indoor units to which the test target units are connected are approximately equal.
- (Appendix 5) 2. The air conditioner according to claim 1, wherein the determination of whether the unit to be inspected is normal is performed by an indoor unit temperature sensor downstream of the shutoff unit.
- this embodiment provides technology that can reduce discomfort felt by the subject.
- This invention can be applied to systems that operate with multiple air conditioners.
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Abstract
Description
前記遮断ユニットは、液冷媒が流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で前記室外機と接続されると共に、前記室内機と液冷媒とが流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で接続され、前記冷媒漏洩検知器の冷媒漏洩検知動作を確認する簡易検査モードと、前記圧縮機を運転して前記遮断ユニットに内蔵される複数の遮断機構夫々が正常に動作していることを確認する詳細検査モードとを有し、前記簡易検査モードと前記詳細検査モードを選択的に実施可能なことを特徴とする。
(第1実施形態)
図1は、本実施形態に係る空気調和機1の構成を示す図である。なお、図1では一例として1台の室外機および3台の室内機を示すが、この台数に限定されるものではない。また、図1の冷凍サイクルは一例であり、この冷凍サイクルに限定されるものではない。
第2実施形態では、1系統内の検査を実施する検査対象ユニットを2つまたはそれ以上のグループに分けて検査を実施する形態について説明する。グループに分けることについて、図面を用いて具体的に説明する。図4は、グループ分けの一例を示す図である。図4に示される構成は、図1に示される構成と同じであるので、各部の説明は省略する。
液冷媒遮断弁81の正常が確認後、室外機制御部57は、液冷媒遮断弁81を開き(ステップS207)、ガス冷媒遮断弁82を閉止し(ステップS208)、温度センサ45でガス冷媒遮断弁82が閉止されていることを確認する(ステップS209)。ガス冷媒遮断弁82の正常確認後、室外機制御部57は、ガス冷媒遮断弁82を開き(ステップS210)、Gr2の検査に移行する。
(付記1)
室外膨張弁と、室外熱交換器と、四方弁と、圧縮機とを具備する室外機と、
室内熱交換器と、前記室内熱交換器に流れる冷媒量を調整する室内膨張弁とを備える室内機と、
前記室外機と前記室内機とを、同一の冷媒配管系統に並列に、夫々単一または複数接続し、前記室外機と前記室内機の間に冷媒の流れを遮断可能な複数の遮断機構を内蔵した遮断ユニットと、
前記室内機と電気的に接続される冷媒漏洩検知器と、
前記遮断ユニットと前記室内熱交換器とを含む検査対象ユニットと、
を備え、
前記遮断ユニットは、液冷媒が流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で前記室外機と接続されると共に、前記室内機と液冷媒とが流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で接続され、
前記圧縮機を運転して前記遮断ユニットに内蔵される複数の遮断機構のそれぞれが正常に動作していることを確認する検査モードを有し、
1系統内の検査を実施する検査対象ユニットを2つ以上のグループに分けて前記検査モードを実施可能である空気調和機。
(付記2)
前記検査モードを行う際に検査を行なわないグループは冷房または暖房または冷暖同時のいずれかの運転を実施することを特徴とする付記1に記載の空気調和機。
(付記3)
グループ分けは、前記検査対象ユニットに含まれる室内機台数を均等に近い台数に分けることを特徴とする付記1に記載の空気調和機。
(付記4)
グループ分けは、前記検査対象ユニットが接続される前記室内機の合計容量が均等に近くなるように分けることを特徴とする付記1に記載の空気調和機。
(付記5)
前記検査対象ユニットの正常判断は前記遮断ユニットの下流の室内機温度センサで行うことを特徴とする付記1に記載の空気調和機。
Claims (5)
- 室外膨張弁と、室外熱交換器と、四方弁と、圧縮機とを具備する室外機と、
室内熱交換器と、前記室内熱交換器に流れる冷媒量を調整する室内膨張弁とを備える室内機と、
前記室外機と前記室内機とを、同一の冷媒配管系統に並列に、夫々単一または複数接続し、前記室外機と前記室内機の間に冷媒の流れを遮断可能な複数の遮断機構を内蔵した遮断ユニットと、
前記室内機と電気的に接続される冷媒漏洩検知器と、
を備え、
前記遮断ユニットは、液冷媒が流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で前記室外機と接続されると共に、前記室内機と液冷媒とが流れる少なくとも1つの液管およびガス冷媒が流れる少なくとも1つのガス管で接続され、
前記冷媒漏洩検知器の冷媒漏洩検知動作を確認する簡易検査モードと、前記圧縮機を運転して前記遮断ユニットに内蔵される複数の遮断機構夫々が正常に動作していることを確認する詳細検査モードとを有し、前記簡易検査モードと前記詳細検査モードを選択的に実施可能なことを特徴とする空気調和機。 - 前記冷媒漏洩検知器は、光または警報によって冷媒漏洩していることを発報し、
前記簡易検査モードでは、前記冷媒漏洩検知器が前記発報を行うことが可能か否かを検査する請求項1に記載の空気調和機。 - 前記簡易検査モードは、前記冷媒漏洩検知器に対する操作によって実施されることを特徴とする請求項1または請求項2に記載の空気調和機。
- 前記詳細検査モードは、前記室外機に対する操作によって実施されることを特徴とする請求項1に記載の空気調和機。
- 前記簡易検査モードは、前記詳細検査モード実施中に並行して実施可能であることを特徴とする請求項1に記載の空気調和機。
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| CN202380094645.3A CN120731342A (zh) | 2023-02-27 | 2023-02-27 | 空调机 |
| PCT/JP2023/006998 WO2024180589A1 (ja) | 2023-02-27 | 2023-02-27 | 空気調和機 |
| EP23925147.3A EP4675207A1 (en) | 2023-02-27 | 2023-02-27 | Air conditioner |
| JP2025503225A JPWO2024180589A1 (ja) | 2023-02-27 | 2023-02-27 | |
| US19/307,396 US20250377124A1 (en) | 2023-02-27 | 2025-08-22 | Air conditioner |
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| PCT/JP2023/006998 WO2024180589A1 (ja) | 2023-02-27 | 2023-02-27 | 空気調和機 |
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| US19/307,396 Continuation US20250377124A1 (en) | 2023-02-27 | 2025-08-22 | Air conditioner |
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| EP (1) | EP4675207A1 (ja) |
| JP (1) | JPWO2024180589A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016212866A (ja) * | 2016-04-28 | 2016-12-15 | 株式会社 タキズミ | 機器管理支援システム、機器管理支援サーバ、機器管理支援方法及びプログラム |
| WO2017002213A1 (ja) * | 2015-06-30 | 2017-01-05 | 三菱電機株式会社 | 冷媒漏洩検知装置 |
| JP2017009267A (ja) | 2015-06-26 | 2017-01-12 | ダイキン工業株式会社 | 空気調和システム |
| JP2020030043A (ja) * | 2015-06-26 | 2020-02-27 | ダイキン工業株式会社 | 空気調和システム |
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2023
- 2023-02-27 CN CN202380094645.3A patent/CN120731342A/zh active Pending
- 2023-02-27 JP JP2025503225A patent/JPWO2024180589A1/ja active Pending
- 2023-02-27 EP EP23925147.3A patent/EP4675207A1/en active Pending
- 2023-02-27 WO PCT/JP2023/006998 patent/WO2024180589A1/ja not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009267A (ja) | 2015-06-26 | 2017-01-12 | ダイキン工業株式会社 | 空気調和システム |
| JP2020030043A (ja) * | 2015-06-26 | 2020-02-27 | ダイキン工業株式会社 | 空気調和システム |
| WO2017002213A1 (ja) * | 2015-06-30 | 2017-01-05 | 三菱電機株式会社 | 冷媒漏洩検知装置 |
| JP2016212866A (ja) * | 2016-04-28 | 2016-12-15 | 株式会社 タキズミ | 機器管理支援システム、機器管理支援サーバ、機器管理支援方法及びプログラム |
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| See also references of EP4675207A1 |
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| US20250377124A1 (en) | 2025-12-11 |
| EP4675207A1 (en) | 2026-01-07 |
| CN120731342A (zh) | 2025-09-30 |
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