WO2016132459A1 - 室外機 - Google Patents
室外機 Download PDFInfo
- Publication number
- WO2016132459A1 WO2016132459A1 PCT/JP2015/054334 JP2015054334W WO2016132459A1 WO 2016132459 A1 WO2016132459 A1 WO 2016132459A1 JP 2015054334 W JP2015054334 W JP 2015054334W WO 2016132459 A1 WO2016132459 A1 WO 2016132459A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outdoor unit
- connection port
- heat exchanger
- panel
- pipe connection
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Definitions
- the present invention relates to an outdoor unit of a refrigeration cycle apparatus.
- an outdoor unit of a refrigeration cycle apparatus such as an air conditioner, a compressor, a heat exchanger, a blower, and the like are housed inside a casing.
- the outdoor unit of the air conditioner is connected to an indoor unit in which a heat exchanger, a blower, and the like are accommodated via a refrigerant pipe.
- the refrigerant circulates between the indoor unit and the outdoor unit via the refrigerant pipe.
- connection port provided on the outer surface of the casing of the outdoor unit.
- the position of the connection port is installed, for example, on the rear panel side of the housing (see Patent Document 1).
- an internal refrigerant circuit for connecting a compressor, a four-way valve, a heat exchanger, and the like is stored in a complicated manner.
- refrigerant piping connected from the piping connection port and refrigerant piping connected to the heat exchanger are complicated, and if the assembly accuracy of each member is poor, the refrigerant piping etc. Operation noise may be generated in contact with members.
- This invention is made in order to solve such a subject, and provides the outdoor unit which suppressed the operation noise by improving the assembly precision of each member around the piping connection port of an outdoor unit. It is aimed.
- An outdoor unit is an outdoor unit including a housing having a front panel, a side panel, and a rear panel, and a heat exchanger, and the rear panel is connected to which a pipe connection port is attached.
- a port mounting portion and a heat exchanger holding piece to which the heat exchanger is mounted are provided.
- the heat exchanger and the pipe connection port are attached to the rear panel, and the heat exchanger and the internal refrigerant circuit in the machine room containing the compressor and the like are relatively accurate. Since the positioning is performed, the assembly accuracy of each member such as the internal refrigerant circuit and the heat exchanger around the pipe connection port is improved, and operation noise due to contact of the refrigerant pipe and the like can be reduced.
- FIG. 1 is a front side perspective view of an outdoor unit according to Embodiment 1.
- FIG. 3 is a rear perspective view of the outdoor unit according to Embodiment 1.
- FIG. It is the back side perspective view seen from the angle different from FIG. 2 of the outdoor unit which concerns on Embodiment 1.
- FIG. FIG. 3 is a cross-sectional view of the outdoor unit according to the first embodiment.
- 5 is a partial enlarged view of a pipe connection port A portion in FIG. 4 of the outdoor unit according to Embodiment 1.
- FIG. It is a perspective view of the heat exchanger and back panel of the outdoor unit which concerns on Embodiment 1.
- FIG. It is the perspective view which looked at the heat exchanger and back panel of the outdoor unit which concerns on Embodiment 1 from the angle different from FIG.
- FIG. 6 is a perspective view of a rear panel of an outdoor unit according to Embodiment 2 as viewed from an angle different from that in FIGS. It is the top view of the back panel of the outdoor unit which concerns on Embodiment 2, and the 4th surface side view. It is the top view of the end plate panel of the outdoor unit which concerns on Embodiment 2, and the 4th surface side view.
- FIG. 1 is a front perspective view of an outdoor unit according to Embodiment 1.
- FIG. 2 is a rear perspective view of the outdoor unit according to Embodiment 1.
- FIG. 3 is a rear perspective view of the outdoor unit according to Embodiment 1 as viewed from an angle different from that in FIG. 2.
- the casing 1 of the outdoor unit is made of sheet metal and has a substantially rectangular parallelepiped shape.
- the housing 1 includes a front panel 10 disposed on the front side of the housing 1, two side panels 20 that cover the side of the housing 1, and a rear surface of the housing 1.
- the rear panel 30_1 disposed on the side, the top panel 40 that covers the upper surface, and the bottom panel 50 that covers the lower surface.
- a front grill 11 having an opening through which outside air passes is attached to the front panel 10.
- a terminal block (not shown) to which power supply wiring for supplying power to the outdoor unit is connected is disposed on the side surface of the housing 1, and a terminal block cover 21 covering the terminal block is attached to the side panel 20.
- Two long legs 60 that support the outdoor unit are attached to the lower surface of the housing 1 so as to extend in the short side direction of the housing 1.
- Bolt holes for fixing the leg 60 to a resin or concrete foundation block or the like are formed at both ends of the leg 60.
- a compressor (not shown) for compressing the refrigerant
- a heat exchanger 2 for exchanging heat between the outside air and the refrigerant
- a blower 3 for supplying the outside air to the heat exchanger 2, and the like.
- the heat exchanger 2 is a fin tube heat exchanger in which a heat transfer tube passes through, for example, a plurality of aluminum thin plate-like fins arranged side by side. It arrange
- the fin is erected in the vertical direction, and the heat transfer tube is configured to penetrate the fin in the horizontal direction.
- the blower 3 is provided near the heat exchanger 2, and the outside air passes between the fins of the heat exchanger 2 by the rotation of the blower 3, and at that time, the refrigerant and the outside air flowing through the heat transfer tubes of the heat exchanger 2 are separated. Heat exchanged.
- the outside air after the heat exchange is exhausted from the front grill 11 to the outside of the housing 1.
- the heat exchanger 2 When the outdoor unit of such an air conditioner is operated, for example, in the case of heating operation, the heat exchanger 2 functions as an evaporator, and the low-pressure gas refrigerant evaporated by absorbing heat from the outside air is compressed. Compressed by the machine, becomes high-pressure gas refrigerant, and is supplied to an indoor heat exchanger (not shown) of the indoor unit.
- the heat exchanger 2 In the cooling operation, the heat exchanger 2 functions as a condenser, and the high-pressure gas refrigerant compressed by the compressor dissipates heat to the outside air and condenses, and the condensed liquid refrigerant is decompressed. Then, it is supplied to an indoor heat exchanger (not shown) of the indoor unit.
- each pipe connection port (gas pipe connection port 70, liquid connection port) for connecting a communication refrigerant pipe connecting the outdoor unit and the indoor unit to the outdoor unit is provided.
- a pipe connection port 71) is arranged.
- the gas pipe connection port 70 and the liquid pipe connection port 71 are attached to the back panel 30_1 of the housing 1.
- the gas pipe connection port 70 is connected to a gas pipe of the communication refrigerant pipe, and the liquid pipe connection port 71 is connected to a liquid pipe of the communication refrigerant pipe.
- the gas pipe connection port 70 is a joint for connecting the gas side pipe of the internal refrigerant circuit housed in the casing 1 of the outdoor unit to the gas pipe of the connecting refrigerant pipe.
- the gas pipe connection port 70 is a tubular member that is attached with its axial direction substantially aligned with the front-rear direction (depth direction) of the housing 1 and is made of, for example, brass (brass).
- the gas pipe connection port 70 includes a valve body having a hexagonal cross section perpendicular to the axial direction.
- the gas pipe connection port 70 is joined to the end of the gas side pipe of the internal refrigerant circuit housed in the housing 1 by brazing (joining metal and metal with heat using brazing).
- the liquid pipe connection port 71 is a joint for connecting the liquid side pipe of the internal refrigerant circuit housed in the casing 1 of the outdoor unit to the liquid pipe of the connecting refrigerant pipe.
- the liquid pipe connection port 71 is a tubular member that is attached with its axial direction substantially coincident with the front-rear direction (depth direction) of the housing 1, and is made of, for example, brass (brass).
- the liquid pipe connection port 71 includes a valve body having a hexagonal cross section perpendicular to the axial direction.
- the liquid pipe connection port 71 has substantially the same configuration as the gas pipe connection port 70, but the liquid side pipe of the internal refrigerant circuit has a smaller diameter than the gas side pipe, and thus the gas pipe connection port 70. The diameter is smaller than that.
- the liquid pipe connection port 71 is joined to the end of the liquid side pipe of the internal refrigerant circuit housed in the housing 1 by brazing (joining metal and metal with heat using brazing).
- the back panel 30_1 is a panel that covers the back side of the housing 1 as shown in FIGS. 2 and 3, and is formed by sheet metal processing, for example.
- the back panel 30_1 is fixed to the heat exchanger 2 and connected to the side panel 20 with screws or the like.
- FIG. 4 is a cross-sectional view looking down at the outdoor unit according to the first embodiment.
- 5 is a partially enlarged view of a pipe connection port portion in FIG. 4 of the outdoor unit according to Embodiment 1.
- FIG. 6 is a perspective view of a heat exchanger and a back panel of the outdoor unit according to Embodiment 1.
- FIG. 7 is a perspective view of the outdoor unit heat exchanger and the back panel according to Embodiment 1 as viewed from an angle different from that in FIG. 6.
- FIG. 8 is a plan view of the back panel of the outdoor unit according to Embodiment 1 and a side view of the four sides thereof.
- a mounting bulge 31 (corresponding to the connection port mounting portion of the present invention) for mounting the gas pipe connection port 70 and the liquid pipe connection port 71 is formed.
- the mounting bulging portion 31 has a shape protruding to the outer surface side of the housing 1. As shown in FIGS. 6 and 7, the mounting bulge 31 has mounting openings 32 and bolt holes 33 for mounting two pipe connection ports (gas pipe connection port 70 and liquid pipe connection port 71). Yes.
- the gas pipe connection port 70 and the liquid pipe connection port 71 are inserted into the mounting opening 32 in the axial direction, and the bolts 33 are tightened to fix the gas pipe connection port 70 and the liquid pipe connection port 71 to the rear panel 30_1. .
- the back panel 30_1 is formed in a cross-sectional shape having a plurality of constituent surfaces as shown in FIG.
- a heat exchanger holding piece 34 having a large number of holding holes 34a for holding the heat transfer tubes of the heat exchanger 2 is provided.
- a back surface portion 35 is formed so as to be orthogonal to one side of the heat exchanger holding piece 34 and form a back side outer shell of the housing 1.
- a side panel connection piece 37 having a screw hole 37a connected to the side panel 20 is provided on the other end side of the back panel 30_1.
- the concave surface part 36 in which the attachment bulging part 31 which attaches a pipe connection port was formed was dented from the back part 35 and the side panel connection piece 37 to the inner side of the housing
- the concave surface portion 36 and the back surface portion 35, and the concave surface portion 36 and the side panel connection piece 37 are smoothly connected by the inclined surface 38, respectively.
- the back surface portion 35, the concave surface portion 36, and the side panel connecting pieces 37 are arranged substantially in parallel.
- the concave surface portion 36 is configured to be recessed inside the housing 1 from the periphery of the bottom plate panel 50 as shown in FIGS. With this configuration, the condensed water that has formed frost on the gas pipe connection port 70 and the liquid pipe connection port 71 flows down onto the bottom plate panel 50, so that it does not fall to the lower part of the outdoor unit.
- the heat exchanger holding piece 34 of the back panel 30_1 functions as an end plate of the heat exchanger 2 as shown in FIGS. 6 and 7, and is attached in contact with the end of the fin of the heat exchanger 2. Further, the heat transfer tube of the heat exchanger 2 is inserted into the holding hole 34a of the heat exchanger holding piece 34, and the back panel 30_1 and the heat exchanger 2 are fixed.
- a gas pipe connection port 70 and a liquid pipe connection port 71 are attached to the mounting bulge portion 31 provided in the concave surface portion 36, and an internal refrigerant circuit housed in the machine chamber of the casing 1 housing the compressor. Are connected to each pipe connection port. That is, the internal refrigerant circuit in the machine room is fixed to the back panel 30_1 via each pipe connection port.
- the front ends 72 of the gas pipe connection port 70 and the liquid pipe connection port 71 are provided so as not to protrude outward from the front end position 60a of the leg portion 60 of the housing 1 in a top view of the outdoor unit shown in FIG. Yes. That is, the distal ends 72 of the gas pipe connection port 70 and the liquid pipe connection port 71 protrude outward (pertains to the first direction of the present invention) perpendicularly to the rear panel 30_1, but the distal ends of the legs 60 It is provided so as not to protrude outward from the virtual line 30a that passes through the position 60a and is parallel to the back panel 30_1 (the end 72 of each pipe connection port is located on the back panel 30_1 side from the virtual line 30a). .
- the gas pipe connection port 70 and the liquid pipe connection port 71 are arranged in the concave surface portion 36 of the back panel 30_1, and the distal end portions 72 thereof pass through the distal end position 60a of the leg portion 60 from the virtual line 30a parallel to the back panel 30_1. Since it is arranged so as not to protrude outward, the packaging size does not increase only by the protruding dimensions of each pipe connection port. Furthermore, since the concave surface portion 36 of the back panel 30_1 is configured to be recessed inward of the housing 1 from the peripheral edge of the bottom plate panel 50 as described above, the gas pipe connection port 70 and the liquid pipe connection port 71 are frosted. Condensed water does not flow down on the bottom panel 50, and does not fall on the lower part of the outdoor unit.
- Embodiment 2 FIG. In Embodiment 1, an example of an outdoor unit in which the back panel 30_1 of the housing 1 is integrally formed is shown, but in Embodiment 2, an example of an outdoor unit configured by dividing the back panel 30_1 will be described.
- the back panel 30_2 is a panel that covers the back side of the housing 1 and is formed by, for example, sheet metal processing, as shown in FIGS.
- the back panel 30_2 is fixed to the heat exchanger 2 and connected to the side panel 20 with screws or the like.
- FIG. 9 is a perspective view of the heat exchanger and the back panel of the outdoor unit according to Embodiment 2.
- FIG. 10 is a perspective view of the heat exchanger and the back panel of the outdoor unit according to the second embodiment when viewed from an angle different from that in FIG.
- FIG. 11 is a perspective view of the back panel of the outdoor unit according to Embodiment 2.
- FIG. 12 is a perspective view of the rear panel of the outdoor unit according to the second embodiment when viewed from an angle different from that in FIG. 4.
- FIG. 13 is a perspective view of the rear panel of the outdoor unit according to the second embodiment when viewed from an angle different from that in FIGS.
- FIG. 14 is a plan view and a four-side side view of the rear panel of the outdoor unit according to the second embodiment.
- FIG. 15 is a plan view of an end plate panel of an outdoor unit according to Embodiment 2 and a side view of four faces thereof.
- the mounting bulge 31 for mounting the gas pipe connection port 70 and the liquid pipe connection port 71 (in the connection port mounting section of the present invention). Equivalent) is formed.
- the mounting bulging portion 31 has a shape protruding to the outer surface side of the housing 1. Further, the mounting bulge portion 31 has a mounting opening 32 and a bolt hole 33 for mounting two pipe connection ports (a gas pipe connection port 70 and a liquid pipe connection port 71).
- the gas pipe connection port 70 and the liquid pipe connection port 71 are inserted into the mounting opening 32 in the axial direction, and the bolts 33 are tightened to fix the gas pipe connection port 70 and the liquid pipe connection port 71 to the rear panel 30_2. .
- the back panel 30_2 is formed in a cross-sectional shape having a plurality of constituent surfaces as shown in FIGS.
- a back panel 30_2 that forms a back side outline of the housing 1 is provided in a flat plate shape.
- a screw hole 35a for attaching the heat exchanger holding member 39 is opened.
- a side panel connection piece 37 is provided in a flat plate shape on the other end side of the back panel 30_2.
- a screw hole 37 a connected to the screw hole 20 a of the side panel 20 with a screw is opened at the end of the side panel connecting piece 37.
- the concave surface part 36 in which the attachment bulging part 31 which attaches a pipe connection port was formed in the approximate center part of the back panel 30_2 was dented from the back part 35 and the side panel connection piece 37 to the inner side of the housing
- the concave surface portion 36 and the back surface portion 35, and the concave surface portion 36 and the side panel connection piece 37 are smoothly connected by the inclined surface 38, respectively.
- the back surface portion 35, the concave surface portion 36, and the side panel connecting pieces 37 are arranged substantially in parallel.
- the heat exchanger holding member 39 is a plate-like member having a large number of holding holes 39a that hold the heat transfer tubes of the heat exchanger 2 as shown in FIGS.
- the heat exchanger holding member 39 is attached to one end side of the back surface portion 35 in a shape orthogonal to the back surface portion 35 of the back panel 30_2. At this time, screws are inserted into the screw holes 39b of the heat exchanger holding member 39 and the screw holes 35a of the back surface portion 35 to fix both members.
- the concave surface portion 36 is recessed inside the housing 1 from the periphery of the bottom plate panel 50 as in FIGS. 2 and 3 according to the first embodiment. Configured. With this configuration, the condensed water that has formed frost on the gas pipe connection port 70 and the liquid pipe connection port 71 flows down onto the bottom plate panel 50, and therefore does not fall to the lower part of the outdoor unit.
- a gas pipe connection port 70 and a liquid pipe connection port 71 are attached to the mounting bulge portion 31 provided in the concave surface portion 36 of the back panel 30_2, and are stored in the machine room of the casing 1 in which the compressor is stored.
- the internal refrigerant circuit is connected to each pipe connection port. That is, the internal refrigerant circuit in the machine room is fixed to the back panel 30_2 via each pipe connection port.
- the heat exchanger holding member 39 functions as an end plate of the heat exchanger 2 and is attached in contact with the fin end of the heat exchanger 2. Further, the heat transfer tube of the heat exchanger 2 is inserted into the holding hole 39 a of the heat exchanger holding member 39. Therefore, the heat exchanger holding member 39 is connected to the back surface portion 35 of the back panel 30_2, so that the heat exchanger 2 and the back panel 30_2 are integrated.
- the distal ends 72 of the gas pipe connection port 70 and the liquid pipe connection port 71 are located from the distal end position 60a of the leg portion 60 of the housing 1 in a top view of the outdoor unit shown in FIG. It is provided so as not to protrude outward.
- the distal ends 72 of the gas pipe connection port 70 and the liquid pipe connection port 71 protrude outward (pertains to the first direction of the present invention) perpendicular to the rear panel 30_2, but the distal ends of the legs 60 It is provided so as not to protrude outward from the virtual line 30a that passes through the position 60a and is parallel to the back panel 30_2 (the end 72 of each pipe connection port is located on the back panel 30_2 side from the virtual line 30a).
- the rear panel 30_2 and the heat exchanger holding member 39 are divided and configured as separate bodies. Therefore, the heat exchanger 2 and the rear panel 30_2 A degree of freedom is created in the process of connecting the two, and the manufacturing efficiency of the outdoor unit is improved.
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Abstract
Description
以下で説明する室外機の構成は一例に過ぎず、本発明に係る室外機は、そのような構成に限定されない。また、各図において、同一又は類似するものには、同一の符号を付すか、又は、符号を付すことを省略している。また、細かい構造については、適宜図示を簡略化又は省略している。また、重複又は類似する説明については、適宜簡略化又は省略している。
実施の形態1に係る室外機について図1~図3を用いて説明する。
図1は、実施の形態1に係る室外機の正面側斜視図である。
図2は、実施の形態1に係る室外機の背面側斜視図である。
図3は、実施の形態1に係る室外機の図2と異なる角度から見た背面側斜視図である。
室外機の筐体1は、図1に示すように板金製で略直方体形状となっている。筐体1は、図1~図3に示すように、筐体1の前面側に配置された前面パネル10と、筐体1の側面を覆う2枚の側面パネル20と、筐体1の背面側に配置された背面パネル30_1と、上面を覆う天面パネル40と、下面を覆う底板パネル50により大きく構成されている。
送風機3は、熱交換器2の近くに設けられ、送風機3の回転によって外気が熱交換器2のフィン間を通過し、その際に熱交換器2の伝熱管内を流れる冷媒と外気とが熱交換される。熱交換後の外気は前面グリル11から筐体1の外に排気される。
一方、冷房運転の場合には、熱交換器2が凝縮器として機能し、圧縮機で圧縮された高圧のガス冷媒が熱交換器2で外気に放熱して凝縮し、凝縮した液冷媒が減圧されて室内機の室内熱交換器(図示しない)に供給される。
筐体1の背面側には、図2、図3に示すように室外機と室内機とを接続する連絡冷媒配管を室外機に接続するための各配管接続ポート(ガス管接続ポート70、液管接続ポート71)が配置されている。ガス管接続ポート70、液管接続ポート71は、筐体1の背面パネル30_1に取り付けられている。ガス管接続ポート70には、連絡冷媒配管のうちガス管が接続され、液管接続ポート71には、連絡冷媒配管のうち液管が接続される。
液管接続ポート71は、ガス管接続ポート70とほぼ同様の構成を有しているが、内部冷媒回路の液側配管は、ガス側配管に比して小径であるため、ガス管接続ポート70よりも小径に構成されている。
次に背面パネル30_1の構造について図4~8を用いて説明する。
背面パネル30_1は、図2、3に示すように筐体1の背面側を覆い、例えば板金加工により形成されたパネルである。背面パネル30_1は、熱交換器2と固定され、側面パネル20にビス等により接続されている。
図5は、実施の形態1に係る室外機の図4における配管接続ポート部分の部分拡大図である。
図6は、実施の形態1に係る室外機の熱交換器及び背面パネルの斜視図である。
図7は、実施の形態1に係る室外機の熱交換器及び背面パネルを図6とは異なる角度から見た斜視図である。
図8は、実施の形態1に係る室外機の背面パネルの平面図及びその4面側面図である。
背面パネル30_1の一端側には、熱交換器2の伝熱管を保持する保持孔34aが多数開口した熱交換器保持片34が設けられている。この熱交換器保持片34の一辺から直交して筐体1の背面側外郭を形成する背面部35が形成されている。
また、背面パネル30_1の他端側には、側面パネル20に接続するビス孔37aが開口した側面パネル接続片37が設けられている。
凹面部36と背面部35、凹面部36と側面パネル接続片37は、それぞれ傾斜面38により滑らかに接続されている。
背面部35と凹面部36と側面パネル接続片37とは、略平行に配置されている。
そして、凹面部36に設けた取付膨出部31には、ガス管接続ポート70及び液管接続ポート71が取り付けられるとともに、圧縮機を収納した筐体1の機械室内に収納された内部冷媒回路が各配管接続ポートに接続される。すなわち、機械室内の内部冷媒回路が各配管接続ポートを介して背面パネル30_1に固定される。
実施の形態1に係る室外機では、背面パネル30_1に対して熱交換器2と圧縮機等を収納した機械室内の内部冷媒回路とが固定され相対的に正確に位置決めされるため、配管接続ポートまわりの内部冷媒回路や熱交換器2等の各部材の組み立て精度が向上し、冷媒配管の接触等による運転騒音を低減することができる。
さらに、上記のように背面パネル30_1の凹面部36が底板パネル50の周縁よりも筐体1の内側に凹むように構成されるため、ガス管接続ポート70及び液管接続ポート71に着霜した結露水が底板パネル50上に流下し、室外機の下部に落下することがない。
実施の形態1では、筐体1の背面パネル30_1が一体として形成された室外機の例を示したが、実施の形態2では背面パネル30_1を分割して構成した室外機の例を説明する。
<室外機及び配管接続ポートの構成>
室外機及び配管接続ポートの構成については実施の形態1と同様であるため説明を省略する。
次に、背面パネル30_2の構造について図9~15を用いて説明する。
背面パネル30_2は、実施の形態1と同様に図2、3に示すように筐体1の背面側を覆い、例えば板金加工により形成されたパネルである。背面パネル30_2は、熱交換器2と固定され、側面パネル20にビス等により接続されている。
図10は、実施の形態2に係る室外機の熱交換器及び背面パネルを図14とは異なる角度から見た斜視図である。
図11は、実施の形態2に係る室外機の背面パネルの斜視図である。
図12は、実施の形態2に係る室外機の背面パネルを図4とは異なる角度から見た斜視図である。
図13は、実施の形態2に係る室外機の背面パネルを図4、5とは異なる角度から見た斜視図である。
図14は、実施の形態2に係る室外機の背面パネルの平面図及びその4面側面図である。
図15は、実施の形態2に係る室外機の端板パネルの平面図及びその4面側面図である。
背面パネル30_2の一端側には、筐体1の背面側外郭を形成する背面パネル30_2が平板状に設けられている。背面パネル30_2の端部には。熱交換器保持部材39を取り付けるビス孔35aが開口している。
また、背面パネル30_2の他端側には、側面パネル接続片37が平板状に設けられている。側面パネル接続片37の端部には、側面パネル20のビス孔20aとビスにて接続されるビス孔37aが開口している。
凹面部36と背面部35、凹面部36と側面パネル接続片37は、それぞれ傾斜面38により滑らかに接続されている。
背面部35と凹面部36と側面パネル接続片37とは、略平行に配置されている。
熱交換器保持部材39は、図11~13、15に示すように熱交換器2の伝熱管を保持する保持孔39aが多数開口した平板形状の部材である。熱交換器保持部材39は、背面パネル30_2の背面部35に直交する形状で背面部35の一端側に取り付けられる。このとき、熱交換器保持部材39のビス孔39bと背面部35のビス孔35aとにビスを挿入し両部材を固定する。
実施の形態2に係る室外機では、実施の形態1に係る効果に加え、背面パネル30_2と熱交換器保持部材39とを分割して別体として構成したため、熱交換器2と背面パネル30_2とを接続する工程に自由度が生まれ、室外機の製造効率が向上する。
Claims (6)
- 前面パネルと、側面パネルと、背面パネルと、を有する筐体と、熱交換器とを備えた室外機であって、
前記背面パネルは、配管接続ポートが取り付けられる接続ポート取付部と、前記熱交換器が取り付けられる熱交換器保持片とを備えたことを特徴とする室外機。 - 前記背面パネルは、前記筐体の外郭面を形成する背面部と、前記接続ポート取付部が形成される凹面部とを有し、
前記凹面部は、前記背面部に対して前記筐体の内部側に配置されることを特徴とする請求項1に記載の室外機。 - 前記背面パネルは、前記熱交換器保持片と、前記背面部と、前記凹面部と、前記側面パネルを接続する側面パネル接続片と、を備えることを特徴とする請求項2に記載の室外機。
- 前記熱交換器保持片は、別部材とされ前記背面部に取り付けられる構成とされた請求項2または3に記載の室外機。
- 前記熱交換器保持片には、前記熱交換器の伝熱管を挿通する保持孔が開口することを特徴とする請求項1~4のいずれか1項に記載の室外機。
- 前記筐体の底面には、該筐体を支持する脚部が取り付けられ、
前記背面パネルに垂直な第1方向における前記配管接続ポートの先端部は、前記脚部の先端位置よりも前記背面部側に位置するよう構成された請求項1~5のいずれか1項に記載の室外機。
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PCT/JP2015/054334 WO2016132459A1 (ja) | 2015-02-17 | 2015-02-17 | 室外機 |
US15/527,112 US20170350606A1 (en) | 2015-02-17 | 2015-02-17 | Outdoor unit |
EP15882563.8A EP3260785B1 (en) | 2015-02-17 | 2015-02-17 | Outdoor unit |
CN201580075247.2A CN107208907B (zh) | 2015-02-17 | 2015-02-17 | 室外机 |
JP2017500176A JP6429986B2 (ja) | 2015-02-17 | 2015-02-17 | 室外機 |
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Cited By (2)
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JP2017083141A (ja) * | 2015-10-30 | 2017-05-18 | 株式会社富士通ゼネラル | 空気調和機 |
JPWO2022054127A1 (ja) * | 2020-09-08 | 2022-03-17 |
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JP2020128833A (ja) * | 2019-02-08 | 2020-08-27 | パナソニックIpマネジメント株式会社 | ヒートポンプシステム |
WO2021171585A1 (ja) * | 2020-02-28 | 2021-09-02 | 三菱電機株式会社 | 室外機 |
CN113494771A (zh) * | 2021-06-30 | 2021-10-12 | 杭州金泰环境科技有限公司 | 一种降噪隔音效果好的大型空调机房系统 |
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EP3260785B1 (en) | 2023-10-18 |
CN107208907B (zh) | 2019-10-29 |
JPWO2016132459A1 (ja) | 2017-08-31 |
JP6429986B2 (ja) | 2018-11-28 |
CN107208907A (zh) | 2017-09-26 |
US20170350606A1 (en) | 2017-12-07 |
EP3260785A1 (en) | 2017-12-27 |
EP3260785A4 (en) | 2018-10-24 |
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