JP2002364873A5 - - Google Patents

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JP2002364873A5
JP2002364873A5 JP2001172877A JP2001172877A JP2002364873A5 JP 2002364873 A5 JP2002364873 A5 JP 2002364873A5 JP 2001172877 A JP2001172877 A JP 2001172877A JP 2001172877 A JP2001172877 A JP 2001172877A JP 2002364873 A5 JP2002364873 A5 JP 2002364873A5
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heat exchanger
refrigerant
indoor
compressor
air
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【0009】
【課題を解決するための手段】
上記第1の目的を達成するための本発明の第1の特徴は、圧縮機、室外熱交換器、室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記室内熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、前記背面熱交換器は、後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置すると共に、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器を蒸発器とする暖房モード除湿運転時における冷媒出口を、前記背面ケーシングに隣接する伝熱管より前方に位置する伝熱管に形成したことにある。
[0009]
[Means for Solving the Problems]
A first aspect of the present invention for achieving the above first object, a compressor, an outdoor heat exchanger, the chamber heat exchanger, is disposed between the outdoor heat exchanger and the indoor heat exchanger Te cooling operation time and the diaphragm Air performing throttling action during the heating operation device, before Symbol chamber for dehumidification performing throttling action during the dehumidifying operation is disposed between the front heat exchanger and the rear heat exchanger of the heat exchanger An expansion device, a switching valve provided on the outlet side of the compressor to switch the flow direction of the refrigerant to the outdoor heat exchanger and the indoor heat exchanger, are connected by refrigerant piping to form a refrigeration cycle, and the indoor heat is generated The exchanger is provided with a cross-flow fan for ventilating room air and a back casing forming the ventilation path, and the back heat exchanger is arranged to be inclined such that the back side is close to the back casing and the front side is front upper. And cold from the compressor The refrigerant outlet in the heating mode dehumidifying operation with the front heat exchanger as a condenser and the rear heat exchanger as an evaporator is disposed forward of the heat transfer tube adjacent to the rear casing. In the heat transfer tube.

【0010】
上記第2の目的を達成するための本発明の第2の特徴は、圧縮機、室外熱交換器、室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記室内熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、前記冷凍サイクルは、前記圧縮機から出た冷媒を前記室外熱交換器に導いてこの室外熱交換器を凝縮器とし前記室内熱交換器を蒸発器とした冷房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いて前記室内熱交換器を凝縮器とし前記室外熱交換器を蒸発器とした暖房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器を蒸発器とする暖房モード除湿運転とに切り換え可能に構成し、前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、前記背面熱交換器は、後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置すると共に、前記暖房運転時および前記暖房モード除湿運転時に並列パスから1パスとなって冷媒出口に至る冷媒パスを形成し、前記冷媒出口に至る1パス部分を前記背面ケーシングに隣接した並列パスの伝熱管より前方に位置して設けたことにある。
[0010]
The second aspect of the present invention for achieving the above second object, a compressor, an outdoor heat exchanger, the chamber heat exchanger, is disposed between the outdoor heat exchanger and the indoor heat exchanger Te cooling operation time and the diaphragm Air performing throttling action during the heating operation device, before Symbol chamber for dehumidification performing throttling action during the dehumidifying operation is disposed between the front heat exchanger and the rear heat exchanger of the heat exchanger A refrigeration cycle is formed by connecting a throttling device, a switching valve provided on the outlet side of the compressor to switch the flow direction of the refrigerant to the outdoor heat exchanger and the indoor heat exchanger, by refrigerant piping, and forming a refrigeration cycle, the refrigeration cycle The cooling operation which led the refrigerant which came out of the compressor to the outdoor heat exchanger, made this outdoor heat exchanger the condenser, and made the indoor heat exchanger the evaporator, the refrigerant which went out of the compressor the above Lead to the front heat exchanger and let the indoor heat exchanger be a condenser Heating operation using a heat exchanger as an evaporator, and the refrigerant discharged from the compressor is led to the front heat exchanger, the front heat exchanger is a condenser, and the rear heat exchanger is an evaporator. The air conditioner further comprises a cross flow fan configured to switch between operation and ventilating room air to the room heat exchanger and a back casing forming the air passage, the back heat exchanger being close to the back casing and being front It arranges so that the side is located forward and upward, and forms a refrigerant path from the parallel path to one path from the parallel path to the refrigerant outlet during the heating operation and the heating mode dehumidifying operation, and reaches the refrigerant outlet 1 The path portion is located forward of the heat transfer tubes in the parallel path adjacent to the rear casing.

【0011】
上記第3の目的を達成するための本発明の第3の特徴は、圧縮機、室外熱交換器、補助熱交換器と主熱交換器とを有する室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記主熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、前記冷凍サイクルは、前記圧縮機から出た冷媒を前記室外熱交換器に導いてこの室外熱交換器を凝縮器とし前記室内熱交換器を蒸発器とした冷房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いて前記室内熱交換器を凝縮器とし前記室外熱交換器を蒸発器とした暖房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器および前記補助熱交換器を蒸発器とする暖房モード除湿運転とに切り換え可能に構成し、前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、前記背面熱交換器は後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置し、前記補助熱交換器は、前記主熱交換器の風上側に配置すると共に、暖房運転時および暖房モード除湿運転時に前記背面熱交換器の出口側に接続され、冷媒出口を前記背面熱交換器における背面ケーシングに隣接する伝熱管より前方に位置する伝熱管に形成したことにある。
[0011]
A third aspect of the present invention for achieving the third object comprises a compressor, an outdoor heat exchanger, the auxiliary heat exchanger and an indoor heat exchanger and a main heat exchanger, said outdoor heat exchanger Air throttle device performs throttling effect is arranged and the heating operation during the cooling operation between the indoor heat exchanger is disposed between the front Symbol main heat exchanger of the front heat exchanger and the rear heat exchanger And a switching valve provided on the outlet side of the compressor to switch the flow direction of the refrigerant to the outdoor heat exchanger and the indoor heat exchanger, connected by a refrigerant pipe A refrigeration cycle, and the refrigeration cycle guides the refrigerant discharged from the compressor to the outdoor heat exchanger to use the outdoor heat exchanger as a condenser and the indoor heat exchanger as an evaporator. Leading the refrigerant from the compressor to the front heat exchanger and Heating operation with the indoor heat exchanger as the condenser and the outdoor heat exchanger as the evaporator, and the refrigerant discharged from the compressor is led to the front heat exchanger, and this front heat exchanger is used as the condenser; The heat exchanger is switchable to a heating mode dehumidifying operation using the exchanger and the auxiliary heat exchanger as an evaporator, and includes a cross-flow fan for ventilating indoor air to the indoor heat exchanger and a rear casing forming the air passage thereof. The rear heat exchanger is disposed at an angle such that the rear side is close to the rear casing and the front side is front upper, and the auxiliary heat exchanger is arranged on the windward side of the main heat exchanger and is also heated The heat transfer pipe is connected to the outlet side of the back heat exchanger during operation and heating mode dehumidification operation, and the refrigerant outlet is located forward of the heat transfer pipe adjacent to the back casing in the back heat exchanger. A.

Claims (8)

圧縮機、室外熱交換器、室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記室内熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、
前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、
前記背面熱交換器は、後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置すると共に、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器を蒸発器とする暖房モード除湿運転時における冷媒出口を、前記背面ケーシングに隣接する伝熱管より前方に位置する伝熱管に形成したことを特徴とする空気調和機。
Compressor, an outdoor heat exchanger, the chamber heat exchangers, air conditioning throttle device performs throttling effect is arranged and the heating operation during the cooling operation between the indoor heat exchanger and the outdoor heat exchanger, before Symbol dehumidification throttle device for performing throttling effect when placed dehumidification operation between the chamber heat exchanger of the front heat exchanger and the rear heat exchanger, serial and the outdoor heat exchanger provided at the outlet side of the compressor A switching valve for switching the flow direction of the refrigerant to the indoor heat exchanger, connected by refrigerant piping to form a refrigeration cycle;
A cross-flow fan for ventilating indoor air to the indoor heat exchanger, and a back casing forming the air passage thereof;
The rear heat exchanger is disposed in an inclined manner such that the rear side is close to the rear casing and the front side is positioned on the front upper side, and the refrigerant coming out of the compressor is guided to the front heat exchanger to heat the front surface The air outlet is characterized in that the refrigerant outlet in the heating mode dehumidifying operation with the exchanger as the condenser and the back surface heat exchanger as the evaporator is a heat transfer pipe located forward of the heat transfer pipe adjacent to the back surface casing. Harmonizer.
請求項1において、前記背面熱交換器の冷媒出口を前記前面熱交換器に隣接する伝熱管に形成したことを特徴とする空気調和機。The air conditioner according to claim 1, wherein the refrigerant outlet of the rear heat exchanger is formed in a heat transfer pipe adjacent to the front heat exchanger. 圧縮機、室外熱交換器、室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記室内熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、
前記冷凍サイクルは、前記圧縮機から出た冷媒を前記室外熱交換器に導いてこの室外熱交換器を凝縮器とし前記室内熱交換器を蒸発器とした冷房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いて前記室内熱交換器を凝縮器とし前記室外熱交換器を蒸発器とした暖房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器を蒸発器とする暖房モード除湿運転とに切り換え可能に構成し、
前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、
前記背面熱交換器は、後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置すると共に、前記暖房運転時および前記暖房モード除湿運転時に並列パスから1パスとなって冷媒出口に至る冷媒パスを形成し、前記冷媒出口に至る1パス部分を前記背面ケーシングに隣接した並列パスの伝熱管より前方に位置して設けたことを特徴とする空気調和機。
Compressor, an outdoor heat exchanger, the chamber heat exchangers, air conditioning throttle device performs throttling effect is arranged and the heating operation during the cooling operation between the indoor heat exchanger and the outdoor heat exchanger, before Symbol dehumidification throttle device for performing throttling effect when placed dehumidification operation between the chamber heat exchanger of the front heat exchanger and the rear heat exchanger, serial and the outdoor heat exchanger provided at the outlet side of the compressor A switching valve for switching the flow direction of the refrigerant to the indoor heat exchanger, connected by refrigerant piping to form a refrigeration cycle;
The refrigeration cycle is a cooling operation in which the refrigerant coming out of the compressor is introduced to the outdoor heat exchanger and the outdoor heat exchanger is used as a condenser and the indoor heat exchanger is used as an evaporator; The heating operation using the refrigerant as a condenser, the indoor heat exchanger as a condenser and the outdoor heat exchanger as an evaporator, and the refrigerant discharged from the compressor as a condenser to the front heat exchanger It is configured to be switchable to a heating mode dehumidifying operation in which the front heat exchanger is a condenser and the rear heat exchanger is an evaporator;
A cross-flow fan for ventilating indoor air to the indoor heat exchanger, and a back casing forming the air passage thereof;
The rear heat exchanger is disposed in an inclined manner so that the rear side is close to the rear casing and the front side is located on the front upper side, and one pass is taken from the parallel path during the heating operation and the heating mode dehumidifying operation An air conditioner characterized in that a refrigerant path leading to a refrigerant outlet is formed, and a one-pass portion leading to the refrigerant outlet is located forward of a heat transfer pipe in a parallel path adjacent to the rear casing.
請求項3において、前記背面熱交換器は、室内空気の通風方向に複数列に形成すると共に、前記冷媒出口に至る1パス部分をその風上側列に位置して設けたことを特徴とする空気調和機。4. The air according to claim 3, wherein the back heat exchanger is formed in a plurality of rows in a ventilating direction of indoor air, and a one-pass portion leading to the refrigerant outlet is located in the windward row thereof. Harmonizer. 請求項4において、前記背面熱交換器の冷媒出口に至る1パス部分は、風上側列における並列パスの複数段の伝熱管より前方に位置して複数段に設けたことを特徴とする空気調和機。The air conditioning according to claim 4, wherein the one-pass portion leading to the refrigerant outlet of the rear face heat exchanger is provided in a plurality of stages located forward of heat transfer tubes of a plurality of stages of parallel paths in the windward row. Machine. 圧縮機、室外熱交換器、補助熱交換器と主熱交換器とを有する室内熱交換器、前記室外熱交換器と前記室内熱交換器との間に配置されて冷房運転時および暖房運転時に絞り作用を行なう冷暖房用絞り装置、前記主熱交換器の前面熱交換器と背面熱交換器との間に配置されて除湿運転時に絞り作用を行なう除湿用絞り装置、前記圧縮機の出口側に設けて前記室外熱交換器と記室内熱交換器への冷媒の流れ方向を切り換える切換弁、を冷媒配管で接続して冷凍サイクルを形成し、前記冷凍サイクルは、前記圧縮機から出た冷媒を前記室外熱交換器に導いてこの室外熱交換器を凝縮器とし前記室内熱交換器を蒸発器とした冷房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いて前記室内熱交換器を凝縮器とし前記室外熱交換器を蒸発器とした暖房運転と、前記圧縮機から出た冷媒を前記前面熱交換器に導いてこの前面熱交換器を凝縮器とし前記背面熱交換器および前記補助熱交換器を蒸発器とする暖房モード除湿運転とに切り換え可能に構成し、
前記室内熱交換器に室内空気を通風する貫流ファンおよびその通風路を形成する背面ケーシングを備え、
前記背面熱交換器は後側が前記背面ケーシングに近接し前側が前方上方に位置するように傾斜して配置し、
前記補助熱交換器は、前記主熱交換器の風上側に配置すると共に、暖房運転時および暖房モード除湿運転時に前記背面熱交換器の出口側に接続され、冷媒出口を前記背面熱交換器における背面ケーシングに隣接する伝熱管より前方に位置する伝熱管に形成したことを特徴とする空気調和機。
Compressor, an outdoor heat exchanger, the auxiliary heat exchanger and an indoor heat exchanger and a main heat exchanger, when placed in the cooling operation between the indoor heat exchanger and the outdoor heat exchanger and the heating operation Air throttle device performs throttling action, before Symbol main heat exchanger for dehumidification throttle device for performing throttling effect when placed dehumidification operation between the front heat exchanger and the rear heat exchanger, the outlet side of the compressor To connect the outdoor heat exchanger and the switching valve for switching the flow direction of the refrigerant to the indoor heat exchanger with a refrigerant pipe to form a refrigeration cycle, the refrigeration cycle comprising the refrigerant exiting from the compressor The cooling operation using the outdoor heat exchanger as a condenser and the indoor heat exchanger as an evaporator, and the refrigerant discharged from the compressor to the front heat exchanger as the indoor heat exchanger The heat exchanger is a condenser and the outdoor heat exchanger is an evaporator Heating operation, and a heating mode dehumidifying operation in which the refrigerant discharged from the compressor is introduced to the front heat exchanger and the front heat exchanger is a condenser and the rear heat exchanger and the auxiliary heat exchanger are evaporators. And switchable between
A cross-flow fan for ventilating indoor air to the indoor heat exchanger, and a back casing forming the air passage thereof;
The rear heat exchanger is disposed to be inclined such that the rear side is close to the rear casing and the front side is positioned on the front upper side,
The auxiliary heat exchanger is disposed on the windward side of the main heat exchanger, and is connected to the outlet side of the rear heat exchanger during heating operation and heating mode dehumidifying operation, and the refrigerant outlet is at the rear heat exchanger. An air conditioner characterized in that it is formed in a heat transfer pipe located forward of a heat transfer pipe adjacent to a rear casing.
請求項6において、前記補助熱交換器は、前記背面熱交換器の段数より少ない段数で1列の1パスで形成すると共に、前記背面熱交換器の風上側空間に設置したことを特徴とする空気調和機。The auxiliary heat exchanger according to claim 6, characterized in that the auxiliary heat exchanger is formed in a single pass of one row with a number of stages smaller than the number of stages of the rear face heat exchanger and installed in the windward space of the rear face heat exchanger. Air conditioner. 請求項6において、前記補助熱交換器は、段数で1列の1パスで形成すると共に、前記貫流ファンの前方に位置する前記背面熱交換器の風上側空間に設置したことを特徴とする空気調和機。7. The air according to claim 6, wherein the auxiliary heat exchanger is formed in a single pass of one row in number of stages, and is installed in the windward space of the back heat exchanger located in front of the cross flow fan. Harmonizer.
JP2001172877A 2001-06-07 2001-06-07 Air conditioner Pending JP2002364873A (en)

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