WO2022054127A1 - Outdoor unit for air conditioner - Google Patents

Outdoor unit for air conditioner Download PDF

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Publication number
WO2022054127A1
WO2022054127A1 PCT/JP2020/033927 JP2020033927W WO2022054127A1 WO 2022054127 A1 WO2022054127 A1 WO 2022054127A1 JP 2020033927 W JP2020033927 W JP 2020033927W WO 2022054127 A1 WO2022054127 A1 WO 2022054127A1
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WO
WIPO (PCT)
Prior art keywords
plate
closing valve
claw
flange
mounting plate
Prior art date
Application number
PCT/JP2020/033927
Other languages
French (fr)
Japanese (ja)
Inventor
裕人 竹内
優介 赤津
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 JP2022548267A priority Critical patent/JP7309078B2/en
Priority to CN202080103382.4A priority patent/CN115968433A/en
Priority to PCT/JP2020/033927 priority patent/WO2022054127A1/en
Publication of WO2022054127A1 publication Critical patent/WO2022054127A1/en

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Classifications

    • 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
    • F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
    • 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
    • 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

Definitions

  • the present disclosure relates to an outdoor unit of an air conditioner having a closing valve mounting plate provided with a liquid closing valve and a gas closing valve.
  • an outdoor unit of an air conditioner having a housing provided with a liquid shutoff valve and a gas shutoff valve
  • the liquid closing valve is a valve provided in a liquid pipe through which a liquid-state refrigerant flows and is closed to shut off the flow of the refrigerant.
  • the gas closing valve is a valve provided in a gas pipe through which a gas-state refrigerant flows and is closed to shut off the flow of the refrigerant.
  • Patent Document 1 discloses an outdoor unit of an air conditioner in which a liquid shutoff valve and a gas shutoff valve are provided on an operation valve bracket mounted on a side surface instead of a bottom panel of a housing.
  • the operation valve bracket is supported by the liquid pipe and the gas pipe until the operation valve bracket is fixed to the housing. Therefore, until the operation valve bracket is fixed with the screw, stress is applied to the liquid pipe and the gas pipe due to the vibration of the operation valve bracket, and the liquid pipe and the gas pipe may be damaged. Further, since the operation valve bracket is supported by the liquid pipe and the gas pipe until the operation valve bracket is fixed to the housing, the stability when the operation valve bracket is fixed by the screw is lacking. Therefore, when the screwdriver pit is fixed with screws, the driver pit may accidentally come into contact with the fins of the heat exchanger, the liquid pipe, the gas pipe, the liquid shutoff valve, the gas shutoff valve, or the like and be damaged. As described above, it is desired to stabilize the closing valve mounting plate until the closing valve mounting plate such as the operation valve bracket is fixed.
  • the present disclosure has been made to solve the above-mentioned problems, and provides an outdoor unit of an air conditioner that stabilizes the closing valve mounting plate until the closing valve mounting plate is fixed. be.
  • the outdoor unit of the air conditioner accommodates a liquid pipe through which a liquid refrigerant flows and a gas pipe through which a gas state refrigerant flows, and a liquid closing valve for closing the liquid pipe and a gas closing for closing the gas pipe. It has a housing having a closing valve mounting plate provided with a valve, and a side plate provided in the housing and extending in the vertical direction to exchange heat between the refrigerant and the air and to connect the liquid pipe and the gas pipe on the side surface. A heat exchanger is provided, and the side plate extends between the plate body having a hole for inserting the liquid pipe and the gas pipe and the closing valve mounting plate side extending from the plate body to the upper end portion of the plate body.
  • the closing valve mounting plate has a contact body that abuts on one surface of the flange, and a first claw that is provided at the upper end of the contact body and is inserted into the notch. And a second claw, which is provided below the first claw, abuts on the other surface of the flange, and sandwiches the flange together with the abutting body.
  • the closing valve mounting plate is supported by the side plate of the heat exchanger by inserting the first claw into the notch of the flange and sandwiching the flange between the second claw and the contact body. .. Therefore, the closing valve mounting plate can be stabilized until the closing valve mounting plate is finally fixed.
  • FIG. It is a circuit diagram which shows the air conditioner which concerns on Embodiment 1.
  • FIG. It is an assembly perspective view which shows the outdoor unit which concerns on Embodiment 1.
  • FIG. It is an exploded perspective view which shows the outdoor unit which concerns on Embodiment 1.
  • FIG. It is an exploded perspective view which shows the machine room of the outdoor unit which concerns on Embodiment 1.
  • FIG. It is an exploded perspective view which shows the back surface of the outdoor unit which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows the side plate which concerns on Embodiment 1.
  • FIG. It is a back view which shows the upper part of the side plate which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows the closing valve mounting plate which concerns on Embodiment 1.
  • FIG. 5 is a perspective view showing a state in which the closing valve mounting plate according to the first embodiment is temporarily fixed to the side plate. It is a front view which shows the state which the closed valve mounting plate which concerns on Embodiment 1 is temporarily fixed to a side plate.
  • FIG. 1 is a circuit diagram showing an air conditioner 1 according to the first embodiment.
  • the air conditioner 1 is a device for adjusting the air in the indoor space, and includes an outdoor unit 2 and an indoor unit 3 connected to the outdoor unit 2 by a refrigerant pipe 5.
  • the outdoor unit 2 is provided with a compressor 6, a flow path switching device 7, a heat exchanger 8, an outdoor blower 9, an expansion unit 10, a liquid closing valve 61, and a gas closing valve 71.
  • the indoor unit 3 is provided with an indoor heat exchanger 11 and an indoor blower 12.
  • a compressor 6, a flow path switching device 7, a heat exchanger 8, an expansion unit 10, and an indoor heat exchanger 11 are connected by a refrigerant pipe 5, and a refrigerant circuit 4 through which a refrigerant as a working gas flows is configured.
  • the compressor 6 sucks in the refrigerant in a low temperature and low pressure state, compresses the sucked refrigerant into a refrigerant in a high temperature and high pressure state, and discharges the sucked refrigerant.
  • the flow path switching device 7 switches the direction in which the refrigerant flows in the refrigerant circuit 4, and is, for example, a four-way valve.
  • the heat exchanger 8 exchanges heat between, for example, outdoor air and a refrigerant.
  • the heat exchanger 8 acts as a condenser during the cooling operation and as an evaporator during the heating operation.
  • the outdoor blower 9 is a device that sends outdoor air to the heat exchanger 8.
  • the expansion unit 10 is a pressure reducing valve or an expansion valve that decompresses and expands the refrigerant.
  • the expansion unit 10 is, for example, an electronic expansion valve whose opening degree is adjusted.
  • the indoor heat exchanger 11 exchanges heat between, for example, indoor air and a refrigerant.
  • the indoor heat exchanger 11 acts as an evaporator during the cooling operation and as a condenser during the heating operation.
  • the indoor blower 12 is a device that sends indoor air to the indoor heat exchanger 11.
  • the liquid shutoff valve 61 is connected between the expansion portion 10 and the indoor heat exchanger 11 and closes the flow of the liquid-state refrigerant flowing through the refrigerant pipe 5.
  • the gas closing valve 71 is connected between the flow path switching device 7 and the indoor heat exchanger 11 and closes the flow of the gas-state refrigerant flowing through the refrigerant pipe 5.
  • cooling operation Next, the operation mode of the air conditioner 1 will be described.
  • the cooling operation In the cooling operation, the refrigerant sucked into the compressor 6 is compressed by the compressor 6 and discharged in a high temperature and high pressure gas state.
  • the high-temperature, high-pressure gas-state refrigerant discharged from the compressor 6 passes through the flow path switching device 7 and flows into the heat exchanger 8 acting as a condenser, and in the heat exchanger 8, the outdoor blower 9 causes the heat exchanger 8. It exchanges heat with the sent outdoor air, condenses and liquefies.
  • the condensed liquid-state refrigerant flows into the expansion unit 10 and is expanded and depressurized in the expansion unit 10 to become a low-temperature and low-pressure gas-liquid two-phase state refrigerant. Then, the refrigerant in the gas-liquid two-phase state flows into the indoor heat exchanger 11 that acts as an evaporator, and in the indoor heat exchanger 11, heat is exchanged with the indoor air sent by the indoor blower 12, and is evaporated and gasified. do. At this time, the indoor air is cooled, and cooling is performed indoors. The evaporated low-temperature and low-pressure gas-state refrigerant passes through the flow path switching device 7 and is sucked into the compressor 6.
  • the heating operation In the heating operation, the refrigerant sucked into the compressor 6 is compressed by the compressor 6 and discharged in a high temperature and high pressure gas state.
  • the high-temperature, high-pressure gas-state refrigerant discharged from the compressor 6 passes through the flow path switching device 7 and flows into the indoor heat exchanger 11 acting as a condenser, and in the indoor heat exchanger 11, the indoor blower. It exchanges heat with the indoor air sent by No. 12, condenses and liquefies. At this time, the indoor air is warmed and heating is performed in the room.
  • the condensed liquid-state refrigerant flows into the expansion unit 10 and is expanded and depressurized in the expansion unit 10 to become a low-temperature and low-pressure gas-liquid two-phase state refrigerant. Then, the refrigerant in the gas-liquid two-phase state flows into the heat exchanger 8 acting as an evaporator, and in the heat exchanger 8, heat is exchanged with the outdoor air sent by the outdoor blower 9, and the refrigerant evaporates and is gasified. The evaporated low-temperature and low-pressure gas-state refrigerant passes through the flow path switching device 7 and is sucked into the compressor 6.
  • FIG. 2 is an assembled perspective view showing the outdoor unit 2 according to the first embodiment
  • FIG. 3 is an exploded perspective view showing the outdoor unit 2 according to the first embodiment.
  • the outdoor unit 2 has a housing 20 and an internal component 29.
  • the housing 20 has legs 21, a bottom panel 22, a front panel 23, a side rear panel 24, a closing valve mounting plate 30, a protective cover 25, a top panel 26, and a fan guard 27. is doing.
  • the leg portions 21 are provided on the ground on which the outdoor unit 2 is installed and are members that support the bottom panel 22, and are provided with, for example, two legs.
  • the bottom panel 22 is a sheet metal provided on the upper part of the leg portion 21 and supports the internal constituent members 29 and the like.
  • the front panel 23 is a sheet metal having an L-shaped cross section, which is placed on the bottom panel 22 and covers the front surface and one side surface of the internal constituent member 29.
  • a housing opening 23a through which air is blown is formed on the front side of the internal constituent member 29 in the front panel 23.
  • the side back panel 24 is a sheet metal that is placed on the bottom panel 22 and covers the other side surface of the internal component 29 and the lower part of the back surface.
  • the closing valve mounting plate 30 is a sheet metal that is mounted on the heat exchanger 8 and covers the upper part of the back surface of the internal component 29.
  • a service window 31a for performing maintenance of the internal constituent member 29 is formed on the upper portion of the closing valve mounting plate 30.
  • the protective cover 25 is attached to the closing valve mounting plate 30 and covers and protects the service window 31a.
  • the top panel 26 is a sheet metal that is placed on the upper ends of the front panel 23, the side back panel 24, and the closing valve mounting plate 30 and covers the upper surface of the internal constituent member 29.
  • the fan guard 27 is a grid-like member provided so as to close the housing opening 23a formed in the front panel 23, and suppresses foreign matter from entering the inside of the outdoor unit 2.
  • the internal constituent member 29 includes a compressor 6, a heat exchanger 8, a mounting base 9c, an outdoor blower 9, a partition plate 28, an electrical component unit 13, and a flow path. It has a switching device 7, an expansion portion 10, a liquid pipe 60, and a gas pipe 70.
  • the compressor 6 is mounted on the bottom panel 22.
  • the heat exchanger 8 has, for example, an L-shaped cross section, and is mounted on the bottom panel 22 to form a part of the other side surface and the back surface of the outdoor unit 2 which is the other side surface side of the internal component 29.
  • the mounting base 9c is a sheet metal extending from the bottom panel 22 to the top panel 26.
  • the outdoor blower 9 has a motor 9a and a propeller fan 9b.
  • the motor 9a rotates and drives the propeller fan 9b, and is provided in the center of the mounting base 9c.
  • the propeller fan 9b is provided between the front panel 23 and the heat exchanger 8 and forms an air passage for sending the air sucked from the back surface of the outdoor unit 2 to the heat exchanger 8.
  • the partition plate 28 is a sheet metal extending in the depth direction of the housing 20 inside the outdoor unit 2, and extends upward from the bottom panel 22.
  • the partition plate 28 divides the inside of the outdoor unit 2 into a blower chamber 20a and a machine room 20b.
  • the heat exchanger 8 and the outdoor blower 9 are provided in the blower chamber 20a
  • the compressor 6 is provided in the machine room 20b.
  • the electrical component unit 13 is provided in the upper part of the inside of the housing 20 so as to straddle the blower chamber 20a and the machine chamber 20b.
  • the electrical component unit 13 accommodates a control board 13a that supplies and drives the compressor 6, the flow path switching device 7, the expansion unit 10, and the like.
  • the control board 13a is composed of a CPU (Central Processing Unit, central processing unit, processing device, arithmetic unit, microprocessor, microprocessor, or processor) that executes a program stored in dedicated hardware or a storage device. ..
  • the control board 13a is dedicated hardware, the control board 13a is, for example, a single circuit, a composite circuit, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a combination thereof. Applies to.
  • Each of the functional units realized by the control board 13a may be realized by individual hardware, or each functional unit may be realized by one hardware.
  • each function executed by the control board 13a is realized by software, firmware, or a combination of software and firmware.
  • Software and firmware are written as programs.
  • the CPU realizes each function by reading and executing the program.
  • a part of the functions of the control board 13a may be realized by dedicated hardware, and a part may be realized by software or firmware.
  • the storage device may be configured as a hard disk, or may be configured as a volatile storage device such as a random access memory (RAM) capable of temporarily storing data. Further, the storage device may be configured as a non-volatile storage device such as a flash memory capable of storing data for a long period of time.
  • RAM random access memory
  • FIG. 4 is an exploded perspective view showing the machine room 20b of the outdoor unit 2 according to the first embodiment.
  • FIG. 4 shows a state in which the flow path switching device 7, the expansion portion 10, and the closing valve mounting plate 30 are removed in the machine room 20b.
  • the flow path switching device 7 is arranged above the compressor 6 in the machine room 20b.
  • the expansion portion 10 is arranged behind the compressor 6 in the machine room 20b.
  • FIG. 5 is an exploded perspective view showing the back surface of the outdoor unit 2 according to the first embodiment.
  • the liquid pipe 60 is provided in the machine room 20b, and a liquid-state refrigerant flows inside.
  • the gas pipe 70 is provided in the machine room 20b, and a gas-state refrigerant flows inside.
  • a liquid closing valve 61 for closing the liquid pipe 60 is provided, and the liquid closing valve 61 is provided on the closing valve mounting plate 30.
  • a gas closing valve 71 for closing the gas pipe 70 is provided at the end of the gas pipe 70, and the gas closing valve 71 is provided on the closing valve mounting plate 30.
  • the liquid shutoff valve 61 and the gas shutoff valve 71 are provided on the side surface of the outdoor unit 2.
  • the liquid closing valve 61 and the gas closing valve 71 are on the back surface of the outdoor unit 2 in order to improve the serviceability of the outdoor unit 2. The case where it is provided in is illustrated.
  • FIG. 6 is a perspective view showing the side plate 50 according to the first embodiment.
  • the heat exchanger 8 accommodates the liquid pipe 60 and the gas pipe 70 together with the housing 20, and has a side plate 50 on the side surface.
  • the side plate 50 is a sheet metal to which the liquid pipe 60 and the gas pipe 70 are connected and extends in the vertical direction.
  • the side plate 50 has a plate body 51 and a flange 52.
  • the plate main body 51 is a plate-shaped member extending in the vertical direction, and the plate main body 51 is formed with a plurality of holes 51a into which a liquid pipe 60, a gas pipe 70, and the like are inserted.
  • FIG. 7 is a rear view showing the upper part of the side plate 50 according to the first embodiment.
  • the flange 52 is a member extending from the end of the plate body 51 toward the closing valve mounting plate 30.
  • the flange 52 is formed with a plurality of plate-side screw holes 52a into which screws for mounting the closing valve mounting plate 30 and the side plate 50 are inserted.
  • the plate-side screw holes 52a may be three or more.
  • the flange 52 is formed with a notch 50a between the flange 52 and the upper end of the plate body 51. As shown in FIG. 7, the notch 50a widens toward the upper side of the flange 52.
  • FIG. 8 is a perspective view showing the closing valve mounting plate 30 according to the first embodiment
  • FIG. 9 is a front view showing the closing valve mounting plate 30 according to the first embodiment.
  • the closing valve mounting plate 30 will be described in detail.
  • the closing valve mounting plate 30 is a rectangular plate-shaped member.
  • the closing valve mounting plate 30 has a plate main body 31, a top surface locking portion 32, a side locking portion 33, and a mounting portion 34.
  • the plate body 31 has a rectangular shape, is provided with a liquid closing valve 61 and a gas closing valve 71 (see FIG. 5), and a service window 31a is formed.
  • the top surface locking portion 32 is a member that extends upward from the upper end portion of the plate body 31, and the tip of the top surface locking portion 32 is bent and hooked on the top surface panel 26.
  • the side locking portion 33 is a member extending forward from one side of the plate body 31, and engages with the side back panel 24.
  • the mounting portion 34 is a member provided on the other side of the plate main body 31, and has a contact main body 35, a first claw 36, and a second claw 37.
  • the contact main body 35 is a plate-shaped member extending from the other side of the plate main body 31 in a direction away from the plate main body 31 and extending in the vertical direction.
  • the contact body 35 is formed with a plurality of plate-side screw holes 35a into which screws for attaching the closing valve mounting plate 30 and the side plate 50 are inserted. In the first embodiment, the case where two plate-side screw holes 35a are formed is illustrated, but the plate-side screw holes 35a may be three or more.
  • FIG. 10 is a front view showing the first claw 36 of the closing valve mounting plate 30 according to the first embodiment.
  • the first claw 36 is provided at the upper end portion of the contact body 35 and is inserted into the notch 50a formed in the side plate 50.
  • the first claw 36 has an inclined side 36a inclined so as to be tapered from the base end to the tip end. The thickness of the first claw 36 is slightly thinner than the width of the notch 50a of the side plate 50.
  • the second claw 37 is provided below the first claw 36, abuts on the other surface of the flange 52, and sandwiches the flange 52 together with the abutting main body 35.
  • the contact body 35 faces the back surface side of the flange 52
  • the second claw 37 faces the front surface side of the flange 52. That is, the contact body 35 cannot be seen from the front side of the housing 20, and the second claw 37 can be seen. Further, the second claw 37 cannot be seen from the back side of the housing 20, and the contact body 35 can be seen. Further, the contact body 35 and the second claw 37 do not overlap each other in the front view. As described above, the second claw 37 is located on the front side of the contact body 35 in the top view.
  • the second claw 37 has a base end portion 38 and a tip end portion 39.
  • the base end portion 38 abuts on the other surface of the flange 52.
  • the tip portion 39 is connected to the base end portion 38 and extends in a direction away from the flange 52.
  • FIG. 11 is a perspective view showing a state in which the closing valve mounting plate 30 according to the first embodiment is temporarily fixed to the side plate 50
  • FIG. 12 is a perspective view showing a state in which the closing valve mounting plate 30 according to the first embodiment is temporarily fixed to the side plate 50. It is a front view which shows the state which was temporarily fixed to 50.
  • the operation in which the closing valve mounting plate 30 is temporarily fixed to the side plate 50 of the heat exchanger 8 will be described.
  • the first claw 36 of the closing valve mounting plate 30 is inserted into the notch 50a of the side plate 50.
  • the first claw 36 has an inclined side 36a inclined so as to be narrowed from the base end to the tip end. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a.
  • the notch 50a widens toward the upper side of the flange 52. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is further guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a. As described above, in the first embodiment, since the first claw 36 has the inclined side 36a and the notch 50a expands toward the upper side of the flange 52, the first claw 36 is formed by the notch 50a. It is inserted smoothly.
  • the first claw 36 When the first claw 36 is inserted into the notch 50a, the first claw 36 is caught in the notch 50a, so that the downward movement of the closing valve mounting plate 30 is restricted.
  • the thickness of the first claw 36 is slightly thinner than the width of the notch 50a of the side plate 50. Therefore, although the lateral movement of the closing valve mounting plate 30 is restricted to some extent, there is some movement margin. Therefore, the closing valve mounting plate 30 can rotate slightly with the first claw 36 as the rotation axis.
  • the closing valve mounting plate 30 once rotated in the direction away from the side plate 50 rotates so as to approach the side plate 50. At this time, the contact main body 35 of the closing valve mounting plate 30 is in contact with one surface on the back surface side of the flange 52 of the side plate 50. Then, the second claw 37 of the closing valve mounting plate 30 comes into contact with the other surface on the front surface side of the flange 52 of the side plate 50. That is, the second claw 37 of the closing valve mounting plate 30 and the contact body 35 sandwich the flange 52. As a result, the closing valve mounting plate 30 is further restricted from rotating toward the heat exchanger 8.
  • the rotation of the closing valve mounting plate 30 in the direction away from the side plate 50 does not occur unless an external force is applied because it opposes gravity.
  • the tip portion 39 of the second claw 37 extends in a direction away from the flange 52. Therefore, the movement of the second claw 37 when it comes into contact with the other surface of the flange 52 is guided. Therefore, the second claw 37 is smoothly brought into contact with the other surface of the flange 52.
  • the closing valve mounting plate 30 is shown in FIGS. 11 and 12 by inserting the first claw 36 into the notch 50a and then sandwiching the flange 52 between the second claw 37 and the contact body 35. As shown, it is temporarily fixed to the side plate 50.
  • the plate-side screw hole 35a and the plate-side screw hole 52a are formed so that the plate-side screw hole 35a and the plate-side screw hole 52a overlap when the closing valve mounting plate 30 is temporarily fixed to the side plate 50. Has been done. Therefore, the operator can insert and screw the screws into the plate-side screw holes 35a and the plate-side screw holes 52a without pressing the closing valve mounting plate 30 by hand or the like.
  • the first claw 36 is inserted into the notch 50a of the flange 52, and the second claw 37 and the contact body 35 sandwich the flange 52, whereby the closing valve mounting plate 30 is formed. It is supported by the side plate 50 of the heat exchanger 8. Therefore, the closing valve mounting plate 30 can be stabilized until the closing valve mounting plate 30 is finally fixed.
  • the closing valve mounting plate 30 in the first embodiment, the flange 52 is sandwiched between the second claw 37 and the contact body 35 after the first claw 36 is inserted into the notch 50a. As a result, it is temporarily fixed to the side plate 50. Therefore, the closing valve mounting plate 30 does not have to be supported by the liquid pipe 60 and the gas pipe 70. Therefore, stress due to vibration is not applied to the liquid pipe 60 and the gas pipe 70, and it is possible to prevent the liquid pipe 60 and the gas pipe 70 from being damaged.
  • the closing valve mounting plate 30 is supported by the liquid pipe 60 and the gas pipe 70 until the closing valve mounting plate 30 is fixed to the housing 20, the closing valve mounting plate 30 is fixed with screws. Lack of stability. Therefore, when the screwdriver pit is fixed with screws, the driver pit may accidentally come into contact with the fins of the heat exchanger 8, the liquid pipe 60, the gas pipe 70, the liquid closing valve 61, the gas closing valve 71, or the like and be damaged.
  • the closing valve mounting plate 30 when the closing valve mounting plate 30 is temporarily fixed to the side plate 50, the plate side screw hole 35a and the plate side screw hole 52a overlap with each other. Therefore, the closing valve mounting plate 30 can be stabilized until the closing valve mounting plate 30 is fixed. Therefore, when fixing with screws, it is possible to prevent the driver pit from accidentally contacting the fins of the heat exchanger 8, the liquid pipe 60, the gas pipe 70, the liquid closing valve 61, the gas closing valve 71, etc. and damaging them. Can be done. Further, when the closing valve mounting plate 30 is temporarily fixed to the side plate 50, the plate side screw hole 35a and the plate side screw hole 52a naturally overlap each other. Therefore, the operator can save the trouble of manually aligning the position of the plate side screw hole 35a with the position of the plate side screw hole 52a when assembling the outdoor unit 2. Therefore, workability is improved.
  • the first claw 36 has an inclined side 36a inclined so as to be narrowed from the base end to the tip end. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a.
  • the second claw 37 has a base end portion 38 that abuts on the other surface of the flange 52, and a tip end portion 39 that is connected to the base end portion 38 and extends in a direction away from the flange 52. Therefore, the movement of the second claw 37 when it comes into contact with the other surface of the flange 52 is guided. Therefore, the second claw 37 is smoothly brought into contact with the other surface of the flange 52. Further, the notch 50a widens toward the upper side of the flange 52. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is further guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a.

Abstract

An outdoor unit for an air conditioner according to the present invention comprises: a casing that houses liquid piping through which coolant flows in a liquid state and gas piping through which coolant flows in a gaseous state, the casing having a closing valve mounting plate provided with a liquid closing valve that closes the liquid piping and a gas closing valve that closes the gas piping; and a heat exchanger that is provided to the casing, exchanges heat between the coolant and air, and has a side plate that extends in the vertical direction and to which the liquid piping and the gas piping are connected at a side surface. The side plate comprises: a plate body in which is formed holes into which the liquid piping and the gas piping are inserted; and a flange that extends from the plate body toward the closing valve mounting plate, and in which a notch is formed between upper end sections of the plate body. The closing valve mounting plate comprises: an abutting body that abuts one surface of the flange; a first claw that is provided to an upper end section of the abutting body and is inserted into the notch; and a second claw that is provided further below the first claw, abuts the other surface of the flange, and, together with the abutting body, sandwiches the flange.

Description

空気調和機の室外機Outdoor unit of air conditioner
　本開示は、液閉鎖弁及びガス閉鎖弁が設けられる閉鎖弁取付板を有する空気調和機の室外機に関する。 The present disclosure relates to an outdoor unit of an air conditioner having a closing valve mounting plate provided with a liquid closing valve and a gas closing valve.
　従来、液閉鎖弁及びガス閉鎖弁が設けられた筐体を備える空気調和機の室外機が知られている。液閉鎖弁は、液状態の冷媒が流れる液配管に設けられ、冷媒の流れを遮断するために閉鎖される弁である。ガス閉鎖弁は、ガス状態の冷媒が流れるガス配管に設けられ、冷媒の流れを遮断するために閉鎖される弁である。特許文献１には、液閉鎖弁及びガス閉鎖弁が筐体の底面パネルではなく、側面に取り付けられる操作弁ブラケットに設けられた空気調和機の室外ユニットが開示されている。 Conventionally, an outdoor unit of an air conditioner having a housing provided with a liquid shutoff valve and a gas shutoff valve is known. The liquid closing valve is a valve provided in a liquid pipe through which a liquid-state refrigerant flows and is closed to shut off the flow of the refrigerant. The gas closing valve is a valve provided in a gas pipe through which a gas-state refrigerant flows and is closed to shut off the flow of the refrigerant. Patent Document 1 discloses an outdoor unit of an air conditioner in which a liquid shutoff valve and a gas shutoff valve are provided on an operation valve bracket mounted on a side surface instead of a bottom panel of a housing.
特開平７－５５１９４号公報Japanese Unexamined Patent Publication No. 7-55194
　しかしながら、特許文献１に開示された室外ユニットは、操作弁ブラケットが筐体に固定されるまで、操作弁ブラケットが液配管及びガス配管に支持されている。このため、操作弁ブラケットがネジで固定されるまでの間、操作弁ブラケットの振動によって液配管及びガス配管にストレスがかかり、液配管及びガス配管が破損するおそれがある。また、操作弁ブラケットが筐体に固定されるまで、操作弁ブラケットが液配管及びガス配管に支持されているため、操作弁ブラケットがネジで固定される際の安定性に欠ける。このため、ネジで固定される際、ドライバーピットが誤って熱交換器のフィン、液配管、ガス配管、液閉鎖弁又はガス閉鎖弁等に接触して損傷するおそれがある。このように、操作弁ブラケットといった閉鎖弁取付板が固定されるまでの間、閉鎖弁取付板を安定化させることが望まれている。 However, in the outdoor unit disclosed in Patent Document 1, the operation valve bracket is supported by the liquid pipe and the gas pipe until the operation valve bracket is fixed to the housing. Therefore, until the operation valve bracket is fixed with the screw, stress is applied to the liquid pipe and the gas pipe due to the vibration of the operation valve bracket, and the liquid pipe and the gas pipe may be damaged. Further, since the operation valve bracket is supported by the liquid pipe and the gas pipe until the operation valve bracket is fixed to the housing, the stability when the operation valve bracket is fixed by the screw is lacking. Therefore, when the screwdriver pit is fixed with screws, the driver pit may accidentally come into contact with the fins of the heat exchanger, the liquid pipe, the gas pipe, the liquid shutoff valve, the gas shutoff valve, or the like and be damaged. As described above, it is desired to stabilize the closing valve mounting plate until the closing valve mounting plate such as the operation valve bracket is fixed.
　本開示は、上記のような課題を解決するためになされたもので、閉鎖弁取付板が固定されるまでの間、閉鎖弁取付板を安定化させる空気調和機の室外機を提供するものである。 The present disclosure has been made to solve the above-mentioned problems, and provides an outdoor unit of an air conditioner that stabilizes the closing valve mounting plate until the closing valve mounting plate is fixed. be.
　本開示に係る空気調和機の室外機は、液状態の冷媒が流れる液配管とガス状態の冷媒が流れるガス配管とを収容し、液配管を閉鎖する液閉鎖弁及びガス配管を閉鎖するガス閉鎖弁が設けられる閉鎖弁取付板を有する筐体と、筐体に設けられ、冷媒と空気との間で熱交換し、側面において液配管及びガス配管が接続される上下方向に延びるサイドプレートを有する熱交換器と、を備え、サイドプレートは、液配管及びガス配管が挿入される穴が形成されたプレート本体と、プレート本体から閉鎖弁取付板側に延び、プレート本体の上端部との間に切り欠きが形成されたフランジと、を有し、閉鎖弁取付板は、フランジの一面に当接する当接本体と、当接本体の上端部に設けられ、切り欠きに挿入される第１の爪と、第１の爪よりも下方に設けられ、フランジの他面に当接し、当接本体と共にフランジを挟み込む第２の爪と、を有する。 The outdoor unit of the air conditioner according to the present disclosure accommodates a liquid pipe through which a liquid refrigerant flows and a gas pipe through which a gas state refrigerant flows, and a liquid closing valve for closing the liquid pipe and a gas closing for closing the gas pipe. It has a housing having a closing valve mounting plate provided with a valve, and a side plate provided in the housing and extending in the vertical direction to exchange heat between the refrigerant and the air and to connect the liquid pipe and the gas pipe on the side surface. A heat exchanger is provided, and the side plate extends between the plate body having a hole for inserting the liquid pipe and the gas pipe and the closing valve mounting plate side extending from the plate body to the upper end portion of the plate body. It has a flange in which a notch is formed, and the closing valve mounting plate has a contact body that abuts on one surface of the flange, and a first claw that is provided at the upper end of the contact body and is inserted into the notch. And a second claw, which is provided below the first claw, abuts on the other surface of the flange, and sandwiches the flange together with the abutting body.
　本開示によれば、第１の爪がフランジの切り欠きに挿入され、第２の爪と当接本体とがフランジを挟み込むことによって、閉鎖弁取付板が熱交換器のサイドプレートに支持される。このため、閉鎖弁取付板が最終的に固定されるまでの間、閉鎖弁取付板を安定化させることができる。 According to the present disclosure, the closing valve mounting plate is supported by the side plate of the heat exchanger by inserting the first claw into the notch of the flange and sandwiching the flange between the second claw and the contact body. .. Therefore, the closing valve mounting plate can be stabilized until the closing valve mounting plate is finally fixed.
実施の形態１に係る空気調和機を示す回路図である。It is a circuit diagram which shows the air conditioner which concerns on Embodiment 1. FIG. 実施の形態１に係る室外機を示す組立斜視図である。It is an assembly perspective view which shows the outdoor unit which concerns on Embodiment 1. FIG. 実施の形態１に係る室外機を示す分解斜視図である。It is an exploded perspective view which shows the outdoor unit which concerns on Embodiment 1. FIG. 実施の形態１に係る室外機の機械室を示す分解斜視図である。It is an exploded perspective view which shows the machine room of the outdoor unit which concerns on Embodiment 1. FIG. 実施の形態１に係る室外機の背面を示す分解斜視図である。It is an exploded perspective view which shows the back surface of the outdoor unit which concerns on Embodiment 1. FIG. 実施の形態１に係るサイドプレートを示す斜視図である。It is a perspective view which shows the side plate which concerns on Embodiment 1. FIG. 実施の形態１に係るサイドプレートの上部を示す背面図である。It is a back view which shows the upper part of the side plate which concerns on Embodiment 1. FIG. 実施の形態１に係る閉鎖弁取付板を示す斜視図である。It is a perspective view which shows the closing valve mounting plate which concerns on Embodiment 1. FIG. 実施の形態１に係る閉鎖弁取付板を示す正面図である。It is a front view which shows the closing valve mounting plate which concerns on Embodiment 1. FIG. 実施の形態１に係る閉鎖弁取付板の第１の爪を示す正面図である。It is a front view which shows the 1st claw of the closing valve mounting plate which concerns on Embodiment 1. FIG. 実施の形態１に係る閉鎖弁取付板がサイドプレートに仮固定された状態を示す斜視図である。FIG. 5 is a perspective view showing a state in which the closing valve mounting plate according to the first embodiment is temporarily fixed to the side plate. 実施の形態１に係る閉鎖弁取付板がサイドプレートに仮固定された状態を示す正面図である。It is a front view which shows the state which the closed valve mounting plate which concerns on Embodiment 1 is temporarily fixed to a side plate.
　以下、本開示の空気調和機の室外機の実施の形態について、図面を参照しながら説明する。なお、本開示は、以下に説明する実施の形態によって限定されるものではない。また、図１を含め、以下の図面では各構成部材の大きさの関係が実際のものとは異なる場合がある。また、以下の説明において、本開示の理解を容易にするために方向を表す用語を適宜用いるが、これは本開示を説明するためのものであって、これらの用語は本開示を限定するものではない。方向を表す用語としては、例えば、「上」、「下」、「右」、「左」、「前」又は「後」等が挙げられる。 Hereinafter, embodiments of the outdoor unit of the air conditioner disclosed in the present disclosure will be described with reference to the drawings. The present disclosure is not limited to the embodiments described below. Further, in the following drawings including FIG. 1, the relationship between the sizes of the constituent members may differ from the actual one. In addition, in the following description, terms indicating directions are appropriately used to facilitate understanding of the present disclosure, but these terms are for the purpose of explaining the present disclosure, and these terms are intended to limit the present disclosure. is not it. Examples of the term indicating the direction include "top", "bottom", "right", "left", "front", "rear", and the like.
実施の形態１．
　図１は、実施の形態１に係る空気調和機１を示す回路図である。図１に示すように、空気調和機１は、室内空間の空気を調整する装置であり、室外機２と、室外機２と冷媒配管５によって接続される室内機３とを備えている。室外機２には、圧縮機６、流路切替装置７、熱交換器８、室外送風機９、膨張部１０、液閉鎖弁６１及びガス閉鎖弁７１が設けられている。室内機３には、室内熱交換器１１及び室内送風機１２が設けられている。 Embodiment 1.
FIG. 1 is a circuit diagram showing an air conditioner 1 according to the first embodiment. As shown in FIG. 1, the air conditioner 1 is a device for adjusting the air in the indoor space, and includes an outdoor unit 2 and an indoor unit 3 connected to the outdoor unit 2 by a refrigerant pipe 5. The outdoor unit 2 is provided with a compressor 6, a flow path switching device 7, a heat exchanger 8, an outdoor blower 9, an expansion unit 10, a liquid closing valve 61, and a gas closing valve 71. The indoor unit 3 is provided with an indoor heat exchanger 11 and an indoor blower 12.
　圧縮機６、流路切替装置７、熱交換器８、膨張部１０及び室内熱交換器１１が冷媒配管５により接続されて、作動ガスである冷媒が流れる冷媒回路４が構成されている。圧縮機６は、低温且つ低圧の状態の冷媒を吸入し、吸入した冷媒を圧縮して高温且つ高圧の状態の冷媒にして吐出するものである。流路切替装置７は、冷媒回路４において冷媒が流れる方向を切り替えるものであり、例えば四方弁である。熱交換器８は、例えば室外空気と冷媒との間で熱交換するものである。熱交換器８は、冷房運転時には凝縮器として作用し、暖房運転時には蒸発器として作用する。 A compressor 6, a flow path switching device 7, a heat exchanger 8, an expansion unit 10, and an indoor heat exchanger 11 are connected by a refrigerant pipe 5, and a refrigerant circuit 4 through which a refrigerant as a working gas flows is configured. The compressor 6 sucks in the refrigerant in a low temperature and low pressure state, compresses the sucked refrigerant into a refrigerant in a high temperature and high pressure state, and discharges the sucked refrigerant. The flow path switching device 7 switches the direction in which the refrigerant flows in the refrigerant circuit 4, and is, for example, a four-way valve. The heat exchanger 8 exchanges heat between, for example, outdoor air and a refrigerant. The heat exchanger 8 acts as a condenser during the cooling operation and as an evaporator during the heating operation.
　室外送風機９は、熱交換器８に室外空気を送る機器である。膨張部１０は、冷媒を減圧して膨張する減圧弁又は膨張弁である。膨張部１０は、例えば開度が調整される電子式膨張弁である。室内熱交換器１１は、例えば室内空気と冷媒との間で熱交換するものである。室内熱交換器１１は、冷房運転時には蒸発器として作用し、暖房運転時には凝縮器として作用する。室内送風機１２は、室内熱交換器１１に室内空気を送る機器である。液閉鎖弁６１は、膨張部１０と室内熱交換器１１との間に接続され、冷媒配管５に流れる液状態の冷媒の流れを閉鎖するものである。ガス閉鎖弁７１は、流路切替装置７と室内熱交換器１１との間に接続され、冷媒配管５に流れるガス状態の冷媒の流れを閉鎖するものである。 The outdoor blower 9 is a device that sends outdoor air to the heat exchanger 8. The expansion unit 10 is a pressure reducing valve or an expansion valve that decompresses and expands the refrigerant. The expansion unit 10 is, for example, an electronic expansion valve whose opening degree is adjusted. The indoor heat exchanger 11 exchanges heat between, for example, indoor air and a refrigerant. The indoor heat exchanger 11 acts as an evaporator during the cooling operation and as a condenser during the heating operation. The indoor blower 12 is a device that sends indoor air to the indoor heat exchanger 11. The liquid shutoff valve 61 is connected between the expansion portion 10 and the indoor heat exchanger 11 and closes the flow of the liquid-state refrigerant flowing through the refrigerant pipe 5. The gas closing valve 71 is connected between the flow path switching device 7 and the indoor heat exchanger 11 and closes the flow of the gas-state refrigerant flowing through the refrigerant pipe 5.
　（運転モード、冷房運転）
　次に、空気調和機１の運転モードについて説明する。先ず、冷房運転について説明する。冷房運転において、圧縮機６に吸入された冷媒は、圧縮機６によって圧縮されて高温且つ高圧のガス状態で吐出する。圧縮機６から吐出された高温且つ高圧のガス状態の冷媒は、流路切替装置７を通過して、凝縮器として作用する熱交換器８に流入し、熱交換器８において、室外送風機９によって送られる室外空気と熱交換されて凝縮して液化する。凝縮された液状態の冷媒は、膨張部１０に流入し、膨張部１０において膨張及び減圧されて低温且つ低圧の気液二相状態の冷媒となる。そして、気液二相状態の冷媒は、蒸発器として作用する室内熱交換器１１に流入し、室内熱交換器１１において、室内送風機１２によって送られる室内空気と熱交換されて蒸発してガス化する。このとき、室内空気が冷やされ、室内において冷房が実施される。蒸発した低温且つ低圧のガス状態の冷媒は、流路切替装置７を通過して、圧縮機６に吸入される。 (Operation mode, cooling operation)
Next, the operation mode of the air conditioner 1 will be described. First, the cooling operation will be described. In the cooling operation, the refrigerant sucked into the compressor 6 is compressed by the compressor 6 and discharged in a high temperature and high pressure gas state. The high-temperature, high-pressure gas-state refrigerant discharged from the compressor 6 passes through the flow path switching device 7 and flows into the heat exchanger 8 acting as a condenser, and in the heat exchanger 8, the outdoor blower 9 causes the heat exchanger 8. It exchanges heat with the sent outdoor air, condenses and liquefies. The condensed liquid-state refrigerant flows into the expansion unit 10 and is expanded and depressurized in the expansion unit 10 to become a low-temperature and low-pressure gas-liquid two-phase state refrigerant. Then, the refrigerant in the gas-liquid two-phase state flows into the indoor heat exchanger 11 that acts as an evaporator, and in the indoor heat exchanger 11, heat is exchanged with the indoor air sent by the indoor blower 12, and is evaporated and gasified. do. At this time, the indoor air is cooled, and cooling is performed indoors. The evaporated low-temperature and low-pressure gas-state refrigerant passes through the flow path switching device 7 and is sucked into the compressor 6.
　（運転モード、暖房運転）
　次に、暖房運転について説明する。暖房運転において、圧縮機６に吸入された冷媒は、圧縮機６によって圧縮されて高温且つ高圧のガス状態で吐出する。圧縮機６から吐出された高温且つ高圧のガス状態の冷媒は、流路切替装置７を通過して、凝縮器として作用する室内熱交換器１１に流入し、室内熱交換器１１において、室内送風機１２によって送られる室内空気と熱交換されて凝縮して液化する。このとき、室内空気が暖められ、室内において暖房が実施される。凝縮された液状態の冷媒は、膨張部１０に流入し、膨張部１０において膨張及び減圧されて低温且つ低圧の気液二相状態の冷媒となる。そして、気液二相状態の冷媒は、蒸発器として作用する熱交換器８に流入し、熱交換器８において、室外送風機９によって送られる室外空気と熱交換されて蒸発してガス化する。蒸発した低温且つ低圧のガス状態の冷媒は、流路切替装置７を通過して、圧縮機６に吸入される。 (Operation mode, heating operation)
Next, the heating operation will be described. In the heating operation, the refrigerant sucked into the compressor 6 is compressed by the compressor 6 and discharged in a high temperature and high pressure gas state. The high-temperature, high-pressure gas-state refrigerant discharged from the compressor 6 passes through the flow path switching device 7 and flows into the indoor heat exchanger 11 acting as a condenser, and in the indoor heat exchanger 11, the indoor blower. It exchanges heat with the indoor air sent by No. 12, condenses and liquefies. At this time, the indoor air is warmed and heating is performed in the room. The condensed liquid-state refrigerant flows into the expansion unit 10 and is expanded and depressurized in the expansion unit 10 to become a low-temperature and low-pressure gas-liquid two-phase state refrigerant. Then, the refrigerant in the gas-liquid two-phase state flows into the heat exchanger 8 acting as an evaporator, and in the heat exchanger 8, heat is exchanged with the outdoor air sent by the outdoor blower 9, and the refrigerant evaporates and is gasified. The evaporated low-temperature and low-pressure gas-state refrigerant passes through the flow path switching device 7 and is sucked into the compressor 6.
　図２は、実施の形態１に係る室外機２を示す組立斜視図であり、図３は、実施の形態１に係る室外機２を示す分解斜視図である。図２及び図３に示すように、室外機２は、筐体２０と、内部構成部材２９とを有している。 FIG. 2 is an assembled perspective view showing the outdoor unit 2 according to the first embodiment, and FIG. 3 is an exploded perspective view showing the outdoor unit 2 according to the first embodiment. As shown in FIGS. 2 and 3, the outdoor unit 2 has a housing 20 and an internal component 29.
　（筐体２０）
　筐体２０は、脚部２１と、底面パネル２２と、前面パネル２３と、側背面パネル２４と、閉鎖弁取付板３０と、保護カバー２５と、天面パネル２６と、ファンガード２７とを有している。脚部２１は、室外機２が据え付けられる地面に設けられ、底面パネル２２を支持する部材であり、例えば２個設けられている。底面パネル２２は、脚部２１の上部に設けられ、内部構成部材２９等を支持する板金である。前面パネル２３は、底面パネル２２に載置され、内部構成部材２９の前面及び一側面を覆う断面Ｌ字状の板金である。前面パネル２３における内部構成部材２９の前面側には、空気が吹き出される筐体開口部２３ａが形成されている。 (Case 20)
The housing 20 has legs 21, a bottom panel 22, a front panel 23, a side rear panel 24, a closing valve mounting plate 30, a protective cover 25, a top panel 26, and a fan guard 27. is doing. The leg portions 21 are provided on the ground on which the outdoor unit 2 is installed and are members that support the bottom panel 22, and are provided with, for example, two legs. The bottom panel 22 is a sheet metal provided on the upper part of the leg portion 21 and supports the internal constituent members 29 and the like. The front panel 23 is a sheet metal having an L-shaped cross section, which is placed on the bottom panel 22 and covers the front surface and one side surface of the internal constituent member 29. A housing opening 23a through which air is blown is formed on the front side of the internal constituent member 29 in the front panel 23.
　側背面パネル２４は、底面パネル２２に載置され、内部構成部材２９の他側面及び背面の下部を覆う板金である。閉鎖弁取付板３０は、熱交換器８に取り付けられ、内部構成部材２９の背面の上部を覆う板金である。閉鎖弁取付板３０の上部には、内部構成部材２９のメンテナンスを行うためのサービス窓３１ａが形成されている。保護カバー２５は、閉鎖弁取付板３０に取り付けられるものであり、サービス窓３１ａを覆って保護する。天面パネル２６は、前面パネル２３、側背面パネル２４及び閉鎖弁取付板３０の上端部に載置され、内部構成部材２９の上面を覆う板金である。ファンガード２７は、前面パネル２３に形成された筐体開口部２３ａを塞ぐように設けられた格子状の部材であり、室外機２の内部に異物が侵入することを抑制する。 The side back panel 24 is a sheet metal that is placed on the bottom panel 22 and covers the other side surface of the internal component 29 and the lower part of the back surface. The closing valve mounting plate 30 is a sheet metal that is mounted on the heat exchanger 8 and covers the upper part of the back surface of the internal component 29. A service window 31a for performing maintenance of the internal constituent member 29 is formed on the upper portion of the closing valve mounting plate 30. The protective cover 25 is attached to the closing valve mounting plate 30 and covers and protects the service window 31a. The top panel 26 is a sheet metal that is placed on the upper ends of the front panel 23, the side back panel 24, and the closing valve mounting plate 30 and covers the upper surface of the internal constituent member 29. The fan guard 27 is a grid-like member provided so as to close the housing opening 23a formed in the front panel 23, and suppresses foreign matter from entering the inside of the outdoor unit 2.
　（内部構成部材２９）
　次に、内部構成部材２９について説明する。図２及び図３に示すように、内部構成部材２９は、圧縮機６と、熱交換器８と、取付台９ｃと、室外送風機９と、仕切板２８と、電装品ユニット１３と、流路切替装置７と、膨張部１０と、液配管６０と、ガス配管７０とを有している。 (Internal component 29)
Next, the internal constituent member 29 will be described. As shown in FIGS. 2 and 3, the internal components 29 include a compressor 6, a heat exchanger 8, a mounting base 9c, an outdoor blower 9, a partition plate 28, an electrical component unit 13, and a flow path. It has a switching device 7, an expansion portion 10, a liquid pipe 60, and a gas pipe 70.
　圧縮機６は、底面パネル２２に載置されている。熱交換器８は、例えば断面Ｌ字状をなしており、底面パネル２２に載置されて内部構成部材２９の他側面側である室外機２の他側面及び背面の一部を構成する。取付台９ｃは、底面パネル２２から天面パネル２６まで延びる板金である。室外送風機９は、モータ９ａとプロペラファン９ｂとを有している。モータ９ａは、プロペラファン９ｂを回転駆動するものであり、取付台９ｃの中央に設けられている。プロペラファン９ｂは、前面パネル２３と熱交換器８との間に設けられ、室外機２の背面から吸いこんだ空気を熱交換器８に送る風路を形成する。 The compressor 6 is mounted on the bottom panel 22. The heat exchanger 8 has, for example, an L-shaped cross section, and is mounted on the bottom panel 22 to form a part of the other side surface and the back surface of the outdoor unit 2 which is the other side surface side of the internal component 29. The mounting base 9c is a sheet metal extending from the bottom panel 22 to the top panel 26. The outdoor blower 9 has a motor 9a and a propeller fan 9b. The motor 9a rotates and drives the propeller fan 9b, and is provided in the center of the mounting base 9c. The propeller fan 9b is provided between the front panel 23 and the heat exchanger 8 and forms an air passage for sending the air sucked from the back surface of the outdoor unit 2 to the heat exchanger 8.
　室外送風機９が動作すると、室外機２の外部から熱交換器８を通過して空気が流入し、流入した空気は、プロペラファン９ｂを通過して室外機２の筐体開口部２３ａから流出する。これにより、例えば冷房運転では、熱交換器８に流れる冷媒が空気によって冷却され、熱交換器８を通過した空気は、冷媒との間で熱交換されることによって過熱される。 When the outdoor blower 9 operates, air flows in from the outside of the outdoor unit 2 through the heat exchanger 8, and the inflowing air passes through the propeller fan 9b and flows out from the housing opening 23a of the outdoor unit 2. .. As a result, for example, in the cooling operation, the refrigerant flowing through the heat exchanger 8 is cooled by the air, and the air passing through the heat exchanger 8 is overheated by exchanging heat with the refrigerant.
　仕切板２８は、室外機２の内部において筐体２０の奥行方向に延びた板金であり、底面パネル２２から上方に延在する。仕切板２８は、室外機２内部を送風室２０ａと機械室２０ｂとに区画する。ここで、送風室２０ａには、熱交換器８及び室外送風機９が設けられ、機械室２０ｂには、圧縮機６が設けられている。電装品ユニット１３は、筐体２０の内部の上部において送風室２０ａ及び機械室２０ｂに跨って設けられている。電装品ユニット１３は、圧縮機６、流路切替装置７及び膨張部１０等に電力を供給して駆動する制御基板１３ａを収容する。 The partition plate 28 is a sheet metal extending in the depth direction of the housing 20 inside the outdoor unit 2, and extends upward from the bottom panel 22. The partition plate 28 divides the inside of the outdoor unit 2 into a blower chamber 20a and a machine room 20b. Here, the heat exchanger 8 and the outdoor blower 9 are provided in the blower chamber 20a, and the compressor 6 is provided in the machine room 20b. The electrical component unit 13 is provided in the upper part of the inside of the housing 20 so as to straddle the blower chamber 20a and the machine chamber 20b. The electrical component unit 13 accommodates a control board 13a that supplies and drives the compressor 6, the flow path switching device 7, the expansion unit 10, and the like.
　制御基板１３ａは、専用のハードウェア又は記憶装置に格納されるプログラムを実行するＣＰＵ（Ｃｅｎｔｒａｌ　Ｐｒｏｃｅｓｓｉｎｇ　Ｕｎｉｔ、中央処理装置、処理装置、演算装置、マイクロプロセッサ、マイクロコンピュータ又はプロセッサともいう）で構成される。制御基板１３ａが専用のハードウェアである場合、制御基板１３ａは、例えば、単一回路、複合回路、ＡＳＩＣ（Ａｐｐｌｉｃａｔｉｏｎ　Ｓｐｅｃｉｆｉｃ　Ｉｎｔｅｇｒａｔｅｄ　Ｃｉｒｃｕｉｔ）、ＦＰＧＡ（Ｆｉｅｌｄ－Ｐｒｏｇｒａｍｍａｂｌｅ　Ｇａｔｅ　Ａｒｒａｙ）、又は、これらを組み合わせたものが該当する。制御基板１３ａが実現する各機能部のそれぞれを、個別のハードウェアで実現してもよいし、各機能部を一つのハードウェアで実現してもよい。 The control board 13a is composed of a CPU (Central Processing Unit, central processing unit, processing device, arithmetic unit, microprocessor, microprocessor, or processor) that executes a program stored in dedicated hardware or a storage device. .. When the control board 13a is dedicated hardware, the control board 13a is, for example, a single circuit, a composite circuit, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a combination thereof. Applies to. Each of the functional units realized by the control board 13a may be realized by individual hardware, or each functional unit may be realized by one hardware.
　制御基板１３ａがＣＰＵの場合、制御基板１３ａが実行する各機能は、ソフトウェア、ファームウェア、又はソフトウェアとファームウェアとの組み合わせにより実現される。ソフトウェア及びファームウェアはプログラムとして記述される。ＣＰＵは、プログラムを読み出して実行することにより、各機能を実現する。なお、制御基板１３ａの機能の一部を専用のハードウェアで実現し、一部をソフトウェア又はファームウェアで実現するようにしてもよい。記憶装置は、ハードディスクとして構成されてもよいし、データを一時的に記憶することができるランダムアクセスメモリ（ＲＡＭ）等の揮発性記憶装置として構成されてもよい。また、記憶装置は、データを長期的に記憶することができるフラッシュメモリ等の不揮発性記憶装置として構成されてもよい。 When the control board 13a is a CPU, each function executed by the control board 13a is realized by software, firmware, or a combination of software and firmware. Software and firmware are written as programs. The CPU realizes each function by reading and executing the program. It should be noted that a part of the functions of the control board 13a may be realized by dedicated hardware, and a part may be realized by software or firmware. The storage device may be configured as a hard disk, or may be configured as a volatile storage device such as a random access memory (RAM) capable of temporarily storing data. Further, the storage device may be configured as a non-volatile storage device such as a flash memory capable of storing data for a long period of time.
　図４は、実施の形態１に係る室外機２の機械室２０ｂを示す分解斜視図である。図４は、機械室２０ｂにおいて、流路切替装置７、膨張部１０及び閉鎖弁取付板３０が外された状態を示す。図４に示すように、流路切替装置７は、機械室２０ｂにおいて圧縮機６の上方に配置されている。また、膨張部１０は、機械室２０ｂにおいて圧縮機６の後方に配置されている。 FIG. 4 is an exploded perspective view showing the machine room 20b of the outdoor unit 2 according to the first embodiment. FIG. 4 shows a state in which the flow path switching device 7, the expansion portion 10, and the closing valve mounting plate 30 are removed in the machine room 20b. As shown in FIG. 4, the flow path switching device 7 is arranged above the compressor 6 in the machine room 20b. Further, the expansion portion 10 is arranged behind the compressor 6 in the machine room 20b.
　図５は、実施の形態１に係る室外機２の背面を示す分解斜視図である。図４に示すように、液配管６０は、機械室２０ｂに設けられており、内部に液状態の冷媒が流れる。また、ガス配管７０は、機械室２０ｂに設けられており、内部にガス状態の冷媒が流れる。図５に示すように、液配管６０の終端には、液配管６０を閉鎖する液閉鎖弁６１が設けられており、液閉鎖弁６１は閉鎖弁取付板３０に設けられている。また、ガス配管７０の終端には、ガス配管７０を閉鎖するガス閉鎖弁７１が設けられており、ガス閉鎖弁７１は閉鎖弁取付板３０に設けられている。概して、液閉鎖弁６１及びガス閉鎖弁７１は、室外機２の側面に設けられている。本実施の形態１は、室外機２が狭小住宅に設置される場合を想定して、室外機２のサービス性を向上させるために、液閉鎖弁６１及びガス閉鎖弁７１が室外機２の背面に設けられる場合について例示している。 FIG. 5 is an exploded perspective view showing the back surface of the outdoor unit 2 according to the first embodiment. As shown in FIG. 4, the liquid pipe 60 is provided in the machine room 20b, and a liquid-state refrigerant flows inside. Further, the gas pipe 70 is provided in the machine room 20b, and a gas-state refrigerant flows inside. As shown in FIG. 5, at the end of the liquid pipe 60, a liquid closing valve 61 for closing the liquid pipe 60 is provided, and the liquid closing valve 61 is provided on the closing valve mounting plate 30. Further, a gas closing valve 71 for closing the gas pipe 70 is provided at the end of the gas pipe 70, and the gas closing valve 71 is provided on the closing valve mounting plate 30. Generally, the liquid shutoff valve 61 and the gas shutoff valve 71 are provided on the side surface of the outdoor unit 2. In the first embodiment, assuming that the outdoor unit 2 is installed in a small house, the liquid closing valve 61 and the gas closing valve 71 are on the back surface of the outdoor unit 2 in order to improve the serviceability of the outdoor unit 2. The case where it is provided in is illustrated.
　図６は、実施の形態１に係るサイドプレート５０を示す斜視図である。次に、熱交換器８について、詳細に説明する。図４及び図６に示すように、熱交換器８は、筐体２０と共に液配管６０及びガス配管７０を収容するものであり、側面においてサイドプレート５０を有する。サイドプレート５０は、液配管６０及びガス配管７０が接続されるものであり、上下方向に延びる板金である。サイドプレート５０は、プレート本体５１と、フランジ５２とを有する。プレート本体５１は、上下方向に延びる板状の部材であり、プレート本体５１には、液配管６０及びガス配管７０等が挿入される穴５１ａが複数形成されている。 FIG. 6 is a perspective view showing the side plate 50 according to the first embodiment. Next, the heat exchanger 8 will be described in detail. As shown in FIGS. 4 and 6, the heat exchanger 8 accommodates the liquid pipe 60 and the gas pipe 70 together with the housing 20, and has a side plate 50 on the side surface. The side plate 50 is a sheet metal to which the liquid pipe 60 and the gas pipe 70 are connected and extends in the vertical direction. The side plate 50 has a plate body 51 and a flange 52. The plate main body 51 is a plate-shaped member extending in the vertical direction, and the plate main body 51 is formed with a plurality of holes 51a into which a liquid pipe 60, a gas pipe 70, and the like are inserted.
　図７は、実施の形態１に係るサイドプレート５０の上部を示す背面図である。図６に示すように、フランジ５２は、プレート本体５１の端部から閉鎖弁取付板３０側に延びる部材である。フランジ５２には、閉鎖弁取付板３０とサイドプレート５０とを取り付けるネジが挿入される複数のプレート側ネジ穴５２ａが形成されている。本実施の形態１では、プレート側ネジ穴５２ａが２個形成されている場合について例示しているが、プレート側ネジ穴５２ａが３個以上でもよい。そして、フランジ５２には、プレート本体５１の上端部との間に切り欠き５０ａが形成されている。図７に示すように、切り欠き５０ａは、フランジ５２の上方に向かうに従って広がっている。 FIG. 7 is a rear view showing the upper part of the side plate 50 according to the first embodiment. As shown in FIG. 6, the flange 52 is a member extending from the end of the plate body 51 toward the closing valve mounting plate 30. The flange 52 is formed with a plurality of plate-side screw holes 52a into which screws for mounting the closing valve mounting plate 30 and the side plate 50 are inserted. In the first embodiment, the case where two plate-side screw holes 52a are formed is illustrated, but the plate-side screw holes 52a may be three or more. The flange 52 is formed with a notch 50a between the flange 52 and the upper end of the plate body 51. As shown in FIG. 7, the notch 50a widens toward the upper side of the flange 52.
　図８は、実施の形態１に係る閉鎖弁取付板３０を示す斜視図であり、図９は、実施の形態１に係る閉鎖弁取付板３０を示す正面図である。次に、閉鎖弁取付板３０について、詳細に説明する。図８及び図９に示すように、閉鎖弁取付板３０は、長方形をなす板状の部材である。閉鎖弁取付板３０は、板本体３１と、天面係止部３２と、側面係止部３３と、取付部３４とを有している。板本体３１は、長方形をなしており、液閉鎖弁６１及びガス閉鎖弁７１が設けられ（図５参照）、サービス窓３１ａが形成されている。天面係止部３２は、板本体３１の上端部から上方に延びる部材であり、先端が屈曲して天面パネル２６に引っ掛かる。側面係止部３３は、板本体３１の一側方から前方に延びる部材であり、側背面パネル２４と係合する。 FIG. 8 is a perspective view showing the closing valve mounting plate 30 according to the first embodiment, and FIG. 9 is a front view showing the closing valve mounting plate 30 according to the first embodiment. Next, the closing valve mounting plate 30 will be described in detail. As shown in FIGS. 8 and 9, the closing valve mounting plate 30 is a rectangular plate-shaped member. The closing valve mounting plate 30 has a plate main body 31, a top surface locking portion 32, a side locking portion 33, and a mounting portion 34. The plate body 31 has a rectangular shape, is provided with a liquid closing valve 61 and a gas closing valve 71 (see FIG. 5), and a service window 31a is formed. The top surface locking portion 32 is a member that extends upward from the upper end portion of the plate body 31, and the tip of the top surface locking portion 32 is bent and hooked on the top surface panel 26. The side locking portion 33 is a member extending forward from one side of the plate body 31, and engages with the side back panel 24.
　取付部３４は、板本体３１の他側方に設けられた部材であり、当接本体３５と、第１の爪３６と、第２の爪３７とを有している。当接本体３５は、板本体３１の他側方から、板本体３１から離れる方向に延び上下方向に延在する板状の部材である。当接本体３５には、閉鎖弁取付板３０とサイドプレート５０とを取り付けるネジが挿入される複数の板側ネジ穴３５ａが形成されている。本実施の形態１では、板側ネジ穴３５ａが２個形成されている場合について例示しているが、板側ネジ穴３５ａが３個以上でもよい。 The mounting portion 34 is a member provided on the other side of the plate main body 31, and has a contact main body 35, a first claw 36, and a second claw 37. The contact main body 35 is a plate-shaped member extending from the other side of the plate main body 31 in a direction away from the plate main body 31 and extending in the vertical direction. The contact body 35 is formed with a plurality of plate-side screw holes 35a into which screws for attaching the closing valve mounting plate 30 and the side plate 50 are inserted. In the first embodiment, the case where two plate-side screw holes 35a are formed is illustrated, but the plate-side screw holes 35a may be three or more.
　図１０は、実施の形態１に係る閉鎖弁取付板３０の第１の爪３６を示す正面図である。図８に示すように、第１の爪３６は、当接本体３５の上端部に設けられ、サイドプレート５０に形成された切り欠き５０ａに挿入されるものである。図１０に示すように、第１の爪３６は、基端から先端にかけて細くなるように傾斜した傾斜辺３６ａを有している。なお、第１の爪３６の厚さは、サイドプレート５０の切り欠き５０ａの幅よりも若干薄い。 FIG. 10 is a front view showing the first claw 36 of the closing valve mounting plate 30 according to the first embodiment. As shown in FIG. 8, the first claw 36 is provided at the upper end portion of the contact body 35 and is inserted into the notch 50a formed in the side plate 50. As shown in FIG. 10, the first claw 36 has an inclined side 36a inclined so as to be tapered from the base end to the tip end. The thickness of the first claw 36 is slightly thinner than the width of the notch 50a of the side plate 50.
　図８に示すように、第２の爪３７は、第１の爪３６よりも下方に設けられ、フランジ５２の他面に当接し、当接本体３５と共にフランジ５２を挟み込むものである。具体的には、当接本体３５はフランジ５２の背面側に対向し、第２の爪３７はフランジ５２の前面側に対向する。即ち、筐体２０の前面側からは当接本体３５は見えず、第２の爪３７が見える。また、筐体２０の背面側からは第２の爪３７が見えず、当接本体３５が見える。また、当接本体３５と第２の爪３７とは、正面視において、重なっていない。このように、第２の爪３７は、上面視において、当接本体３５よりも前面側に位置している。 As shown in FIG. 8, the second claw 37 is provided below the first claw 36, abuts on the other surface of the flange 52, and sandwiches the flange 52 together with the abutting main body 35. Specifically, the contact body 35 faces the back surface side of the flange 52, and the second claw 37 faces the front surface side of the flange 52. That is, the contact body 35 cannot be seen from the front side of the housing 20, and the second claw 37 can be seen. Further, the second claw 37 cannot be seen from the back side of the housing 20, and the contact body 35 can be seen. Further, the contact body 35 and the second claw 37 do not overlap each other in the front view. As described above, the second claw 37 is located on the front side of the contact body 35 in the top view.
　第２の爪３７は、基端部３８と先端部３９とを有している。基端部３８は、フランジ５２の他面に当接するものである。先端部３９は、基端部３８に接続され、フランジ５２から離れる方向に延びるものである。 The second claw 37 has a base end portion 38 and a tip end portion 39. The base end portion 38 abuts on the other surface of the flange 52. The tip portion 39 is connected to the base end portion 38 and extends in a direction away from the flange 52.
　図１１は、実施の形態１に係る閉鎖弁取付板３０がサイドプレート５０に仮固定された状態を示す斜視図であり、図１２は、実施の形態１に係る閉鎖弁取付板３０がサイドプレート５０に仮固定された状態を示す正面図である。次に、閉鎖弁取付板３０が熱交換器８のサイドプレート５０に仮固定される動作について説明する。先ず、閉鎖弁取付板３０の第１の爪３６が、サイドプレート５０の切り欠き５０ａに挿入される。ここで、第１の爪３６は、基端から先端にかけて細くなるように傾斜した傾斜辺３６ａを有している。このため、第１の爪３６が切り欠き５０ａに挿入される際の挿入がガイドされる。従って、第１の爪３６が切り欠き５０ａに円滑に挿入される。 FIG. 11 is a perspective view showing a state in which the closing valve mounting plate 30 according to the first embodiment is temporarily fixed to the side plate 50, and FIG. 12 is a perspective view showing a state in which the closing valve mounting plate 30 according to the first embodiment is temporarily fixed to the side plate 50. It is a front view which shows the state which was temporarily fixed to 50. Next, the operation in which the closing valve mounting plate 30 is temporarily fixed to the side plate 50 of the heat exchanger 8 will be described. First, the first claw 36 of the closing valve mounting plate 30 is inserted into the notch 50a of the side plate 50. Here, the first claw 36 has an inclined side 36a inclined so as to be narrowed from the base end to the tip end. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a.
　また、切り欠き５０ａは、フランジ５２の上方に向かうに従って広がっている。このため、第１の爪３６が切り欠き５０ａに挿入される際の挿入が更にガイドされる。従って、第１の爪３６が切り欠き５０ａに円滑に挿入される。このように、本実施の形態１では、第１の爪３６が傾斜辺３６ａを有し、切り欠き５０ａがフランジ５２の上方に向かうに従って広がっているため、第１の爪３６が切り欠き５０ａにより円滑に挿入される。 Further, the notch 50a widens toward the upper side of the flange 52. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is further guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a. As described above, in the first embodiment, since the first claw 36 has the inclined side 36a and the notch 50a expands toward the upper side of the flange 52, the first claw 36 is formed by the notch 50a. It is inserted smoothly.
　第１の爪３６が切り欠き５０ａに挿入されると、第１の爪３６が切り欠き５０ａに引っ掛かるため、閉鎖弁取付板３０の下方向の移動が規制される。なお、第１の爪３６の厚さは、サイドプレート５０の切り欠き５０ａの幅よりも若干薄い。このため、閉鎖弁取付板３０の側方の移動は、ある程度規制されるものの、若干の移動しろが存在する。このため、閉鎖弁取付板３０は、第１の爪３６を回転軸として若干の回転が可能である。 When the first claw 36 is inserted into the notch 50a, the first claw 36 is caught in the notch 50a, so that the downward movement of the closing valve mounting plate 30 is restricted. The thickness of the first claw 36 is slightly thinner than the width of the notch 50a of the side plate 50. Therefore, although the lateral movement of the closing valve mounting plate 30 is restricted to some extent, there is some movement margin. Therefore, the closing valve mounting plate 30 can rotate slightly with the first claw 36 as the rotation axis.
　一旦、サイドプレート５０から離れる方向に回転した閉鎖弁取付板３０は、サイドプレート５０に近付くように回転する。このとき、閉鎖弁取付板３０の当接本体３５は、サイドプレート５０のフランジ５２の背面側の一面に当接した状態である。そして、閉鎖弁取付板３０の第２の爪３７が、サイドプレート５０のフランジ５２の前面側の他面に当接する。即ち、閉鎖弁取付板３０の第２の爪３７と当接本体３５とが、フランジ５２を挟み込む。これにより、閉鎖弁取付板３０が、更に熱交換器８側に回転することが規制される。 The closing valve mounting plate 30 once rotated in the direction away from the side plate 50 rotates so as to approach the side plate 50. At this time, the contact main body 35 of the closing valve mounting plate 30 is in contact with one surface on the back surface side of the flange 52 of the side plate 50. Then, the second claw 37 of the closing valve mounting plate 30 comes into contact with the other surface on the front surface side of the flange 52 of the side plate 50. That is, the second claw 37 of the closing valve mounting plate 30 and the contact body 35 sandwich the flange 52. As a result, the closing valve mounting plate 30 is further restricted from rotating toward the heat exchanger 8.
　なお、閉鎖弁取付板３０におけるサイドプレート５０から離れる方向への回転は、重力に逆らうものであるため、外力が伴わない限り、発生しない。ここで、第２の爪３７の先端部３９は、フランジ５２から離れる方向に延びている。このため、第２の爪３７がフランジ５２の他面に当接する際の移動がガイドされる。従って、第２の爪３７がフランジ５２の他面に円滑に当接される。 Note that the rotation of the closing valve mounting plate 30 in the direction away from the side plate 50 does not occur unless an external force is applied because it opposes gravity. Here, the tip portion 39 of the second claw 37 extends in a direction away from the flange 52. Therefore, the movement of the second claw 37 when it comes into contact with the other surface of the flange 52 is guided. Therefore, the second claw 37 is smoothly brought into contact with the other surface of the flange 52.
　以上の動作によって、閉鎖弁取付板３０は、重力に逆らう方向以外の方向への移動がいずれも規制される。従って、閉鎖弁取付板３０は、第１の爪３６が切り欠き５０ａに挿入されたのち、フランジ５２が第２の爪３７と当接本体３５とに挟まれることによって、図１１及び図１２に示すように、サイドプレート５０に仮固定される。 By the above operation, the movement of the closing valve mounting plate 30 in any direction other than the direction against gravity is restricted. Therefore, the closing valve mounting plate 30 is shown in FIGS. 11 and 12 by inserting the first claw 36 into the notch 50a and then sandwiching the flange 52 between the second claw 37 and the contact body 35. As shown, it is temporarily fixed to the side plate 50.
　ここで、板側ネジ穴３５ａ及びプレート側ネジ穴５２ａは、閉鎖弁取付板３０がサイドプレート５０に仮固定されたときに、板側ネジ穴３５ａとプレート側ネジ穴５２ａとが重なるように形成されている。このため、作業者は、閉鎖弁取付板３０を手等で押さえることなく、ネジを、板側ネジ穴３５ａとプレート側ネジ穴５２ａとに挿入して螺合することができる。 Here, the plate-side screw hole 35a and the plate-side screw hole 52a are formed so that the plate-side screw hole 35a and the plate-side screw hole 52a overlap when the closing valve mounting plate 30 is temporarily fixed to the side plate 50. Has been done. Therefore, the operator can insert and screw the screws into the plate-side screw holes 35a and the plate-side screw holes 52a without pressing the closing valve mounting plate 30 by hand or the like.
　本実施の形態１によれば、第１の爪３６がフランジ５２の切り欠き５０ａに挿入され、第２の爪３７と当接本体３５とがフランジ５２を挟み込むことによって、閉鎖弁取付板３０が熱交換器８のサイドプレート５０に支持される。このため、閉鎖弁取付板３０が最終的に固定されるまでの間、閉鎖弁取付板３０を安定化させることができる。 According to the first embodiment, the first claw 36 is inserted into the notch 50a of the flange 52, and the second claw 37 and the contact body 35 sandwich the flange 52, whereby the closing valve mounting plate 30 is formed. It is supported by the side plate 50 of the heat exchanger 8. Therefore, the closing valve mounting plate 30 can be stabilized until the closing valve mounting plate 30 is finally fixed.
　従来、閉鎖弁取付板３０が固定されるまで、閉鎖弁取付板３０が液配管６０及びガス配管７０に支持されている技術が知られている。この技術は、閉鎖弁取付板３０が液配管６０及びガス配管７０に支持されているため、閉鎖弁取付板３０がネジで固定されるまでの間、閉鎖弁取付板３０の振動によって液配管６０及びガス配管７０にストレスがかかる。このため、液配管６０及びガス配管７０が破損するおそれがある。 Conventionally, there is known a technique in which the closing valve mounting plate 30 is supported by the liquid pipe 60 and the gas pipe 70 until the closing valve mounting plate 30 is fixed. In this technique, since the closing valve mounting plate 30 is supported by the liquid piping 60 and the gas piping 70, the liquid piping 60 is caused by the vibration of the closing valve mounting plate 30 until the closing valve mounting plate 30 is fixed with screws. And the gas pipe 70 is stressed. Therefore, the liquid pipe 60 and the gas pipe 70 may be damaged.
　これに対し、本実施の形態１において、閉鎖弁取付板３０は、第１の爪３６が切り欠き５０ａに挿入されたのち、フランジ５２が第２の爪３７と当接本体３５とに挟まれることによって、サイドプレート５０に仮固定される。このため、閉鎖弁取付板３０が液配管６０及びガス配管７０に支持されずに済む。従って、液配管６０及びガス配管７０に振動によるストレスがかからず、液配管６０及びガス配管７０が破損することを抑制することができる。 On the other hand, in the first embodiment, in the closing valve mounting plate 30, the flange 52 is sandwiched between the second claw 37 and the contact body 35 after the first claw 36 is inserted into the notch 50a. As a result, it is temporarily fixed to the side plate 50. Therefore, the closing valve mounting plate 30 does not have to be supported by the liquid pipe 60 and the gas pipe 70. Therefore, stress due to vibration is not applied to the liquid pipe 60 and the gas pipe 70, and it is possible to prevent the liquid pipe 60 and the gas pipe 70 from being damaged.
　また、従来、閉鎖弁取付板３０が筐体２０に固定されるまで、閉鎖弁取付板３０が液配管６０及びガス配管７０に支持されているため、閉鎖弁取付板３０がネジで固定される際の安定性に欠ける。このため、ネジで固定される際、ドライバーピットが誤って熱交換器８のフィン、液配管６０、ガス配管７０、液閉鎖弁６１又はガス閉鎖弁７１等に接触して損傷するおそれがある。 Further, conventionally, since the closing valve mounting plate 30 is supported by the liquid pipe 60 and the gas pipe 70 until the closing valve mounting plate 30 is fixed to the housing 20, the closing valve mounting plate 30 is fixed with screws. Lack of stability. Therefore, when the screwdriver pit is fixed with screws, the driver pit may accidentally come into contact with the fins of the heat exchanger 8, the liquid pipe 60, the gas pipe 70, the liquid closing valve 61, the gas closing valve 71, or the like and be damaged.
　これに対し、本実施の形態１において、閉鎖弁取付板３０が前記サイドプレート５０に仮固定されたときに、板側ネジ穴３５ａとプレート側ネジ穴５２ａとが重なる。このため、閉鎖弁取付板３０が固定されるまでの間、閉鎖弁取付板３０を安定化させることができる。従って、ネジで固定される際、ドライバーピットが誤って熱交換器８のフィン、液配管６０、ガス配管７０、液閉鎖弁６１又はガス閉鎖弁７１等に接触して損傷することを抑制することができる。また、閉鎖弁取付板３０が前記サイドプレート５０に仮固定されたときに、板側ネジ穴３５ａとプレート側ネジ穴５２ａとが自然に重なる。このため、作業者は、室外機２の組立時に、板側ネジ穴３５ａの位置とプレート側ネジ穴５２ａの位置とを手で合わせる手間が省ける。従って、作業性が向上する。 On the other hand, in the first embodiment, when the closing valve mounting plate 30 is temporarily fixed to the side plate 50, the plate side screw hole 35a and the plate side screw hole 52a overlap with each other. Therefore, the closing valve mounting plate 30 can be stabilized until the closing valve mounting plate 30 is fixed. Therefore, when fixing with screws, it is possible to prevent the driver pit from accidentally contacting the fins of the heat exchanger 8, the liquid pipe 60, the gas pipe 70, the liquid closing valve 61, the gas closing valve 71, etc. and damaging them. Can be done. Further, when the closing valve mounting plate 30 is temporarily fixed to the side plate 50, the plate side screw hole 35a and the plate side screw hole 52a naturally overlap each other. Therefore, the operator can save the trouble of manually aligning the position of the plate side screw hole 35a with the position of the plate side screw hole 52a when assembling the outdoor unit 2. Therefore, workability is improved.
　また、第１の爪３６は、基端から先端にかけて細くなるように傾斜した傾斜辺３６ａを有している。このため、第１の爪３６が切り欠き５０ａに挿入される際の挿入がガイドされる。従って、第１の爪３６が切り欠き５０ａに円滑に挿入される。また、第２の爪３７は、フランジ５２の他面に当接する基端部３８と、基端部３８に接続され、フランジ５２から離れる方向に延びる先端部３９と、を有する。このため、第２の爪３７がフランジ５２の他面に当接する際の移動がガイドされる。従って、第２の爪３７がフランジ５２の他面に円滑に当接される。更に、切り欠き５０ａは、フランジ５２の上方に向かうに従って広がっている。このため、第１の爪３６が切り欠き５０ａに挿入される際の挿入が更にガイドされる。従って、第１の爪３６が切り欠き５０ａに円滑に挿入される。 Further, the first claw 36 has an inclined side 36a inclined so as to be narrowed from the base end to the tip end. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a. Further, the second claw 37 has a base end portion 38 that abuts on the other surface of the flange 52, and a tip end portion 39 that is connected to the base end portion 38 and extends in a direction away from the flange 52. Therefore, the movement of the second claw 37 when it comes into contact with the other surface of the flange 52 is guided. Therefore, the second claw 37 is smoothly brought into contact with the other surface of the flange 52. Further, the notch 50a widens toward the upper side of the flange 52. Therefore, the insertion when the first claw 36 is inserted into the notch 50a is further guided. Therefore, the first claw 36 is smoothly inserted into the notch 50a.
　１　空気調和機、２　室外機、３　室内機、４　冷媒回路、５　冷媒配管、６　圧縮機、７　流路切替装置、８　熱交換器、９　室外送風機、９ａ　モータ、９ｂ　プロペラファン、９ｃ　取付台、１０　膨張部、１１　室内熱交換器、１２　室内送風機、１３　電装品ユニット、１３ａ　制御基板、２０　筐体、２０ａ　送風室、２０ｂ　機械室、２１　脚部、２２　底面パネル、２３　前面パネル、２３ａ　筐体開口部、２４　側背面パネル、２５　保護カバー、２６　天面パネル、２７　ファンガード、２８　仕切板、２９　内部構成部材、３０　閉鎖弁取付板、３１　板本体、３１ａ　サービス窓、３２　天面係止部、３３　側面係止部、３４　取付部、３５　当接本体、３５ａ　板側ネジ穴、３６　第１の爪、３６ａ　傾斜辺、３７　第２の爪、３８　基端部、３９　先端部、５０　サイドプレート、５０ａ　切り欠き、５１　プレート本体、５１ａ　穴、５２　フランジ、５２ａ　プレート側ネジ穴、６０　液配管、６１　液閉鎖弁、７０　ガス配管、７１　ガス閉鎖弁。 1 air conditioner, 2 outdoor unit, 3 indoor unit, 4 refrigerant circuit, 5 refrigerant piping, 6 compressor, 7 flow path switching device, 8 heat exchanger, 9 outdoor blower, 9a motor, 9b propeller fan, 9c mounting base 10, Expansion part, 11 Indoor heat exchanger, 12 Indoor blower, 13 Electrical equipment unit, 13a Control board, 20 Housing, 20a Blower room, 20b Machine room, 21 Legs, 22 Bottom panel, 23 Front panel, 23a case Body opening, 24 side back panel, 25 protective cover, 26 top panel, 27 fan guard, 28 partition plate, 29 internal components, 30 closing valve mounting plate, 31 plate body, 31a service window, 32 top locking Part, 33 side locking part, 34 mounting part, 35 contact body, 35a plate side screw hole, 36 first claw, 36a inclined side, 37 second claw, 38 base end part, 39 tip part, 50 side Plate, 50a notch, 51 plate body, 51a hole, 52 flange, 52a plate side screw hole, 60 liquid piping, 61 liquid closing valve, 70 gas piping, 71 gas closing valve.

Claims (6)

  1. 　液状態の冷媒が流れる液配管とガス状態の冷媒が流れるガス配管とを収容し、前記液配管を閉鎖する液閉鎖弁及び前記ガス配管を閉鎖するガス閉鎖弁が設けられる閉鎖弁取付板を有する筐体と、
    　前記筐体に設けられ、冷媒と空気との間で熱交換し、側面において前記液配管及び前記ガス配管が接続される上下方向に延びるサイドプレートを有する熱交換器と、を備え、
    　前記サイドプレートは、
    　前記液配管及び前記ガス配管が挿入される穴が形成されたプレート本体と、
    　前記プレート本体から前記閉鎖弁取付板側に延び、前記プレート本体の上端部との間に切り欠きが形成されたフランジと、を有し、
    　前記閉鎖弁取付板は、
    　前記フランジの一面に当接する当接本体と、
    　前記当接本体の上端部に設けられ、前記切り欠きに挿入される第１の爪と、
    　前記第１の爪よりも下方に設けられ、前記フランジの他面に当接し、前記当接本体と共に前記フランジを挟み込む第２の爪と、を有する
    　空気調和機の室外機。     It has a closing valve mounting plate that accommodates a liquid pipe through which a liquid refrigerant flows and a gas pipe through which a gas state refrigerant flows, and is provided with a liquid closing valve for closing the liquid piping and a gas closing valve for closing the gas piping. With the housing
    A heat exchanger provided in the housing, which exchanges heat between the refrigerant and air, and has a side plate extending in the vertical direction to which the liquid pipe and the gas pipe are connected on the side surface is provided.
    The side plate is
    A plate body in which a hole for inserting the liquid pipe and the gas pipe is formed, and
    It has a flange extending from the plate body toward the closing valve mounting plate and having a notch formed between the plate body and the upper end portion of the plate body.
    The closing valve mounting plate is
    The contact body that comes into contact with one surface of the flange,
    A first claw provided at the upper end of the contact body and inserted into the notch,
    An outdoor unit of an air conditioner provided below the first claw and having a second claw that abuts on the other surface of the flange and sandwiches the flange together with the abutting body.
  2. 　前記閉鎖弁取付板は、
    　前記第１の爪が前記切り欠きに挿入されたのち、前記フランジが前記第２の爪と前記当接本体とに挟まれることによって、前記サイドプレートに仮固定される
    　請求項１記載の空気調和機の室外機。     The closing valve mounting plate is
    The air conditioning according to claim 1, wherein after the first claw is inserted into the notch, the flange is temporarily fixed to the side plate by being sandwiched between the second claw and the contact body. The outdoor unit of the machine.
  3. 　前記閉鎖弁取付板には、前記閉鎖弁取付板と前記サイドプレートとを取り付けるネジが挿入される板側ネジ穴が形成され、
    　前記サイドプレートには、前記ネジが挿入されるプレート側ネジ穴が形成されており、
    　前記閉鎖弁取付板が前記サイドプレートに仮固定されたときに、前記板側ネジ穴と前記プレート側ネジ穴とが重なる
    　請求項２記載の空気調和機の室外機。     The closing valve mounting plate is formed with a plate-side screw hole into which a screw for mounting the closing valve mounting plate and the side plate is inserted.
    The side plate is formed with a plate-side screw hole into which the screw is inserted.
    The outdoor unit of an air conditioner according to claim 2, wherein the plate-side screw hole and the plate-side screw hole overlap when the closing valve mounting plate is temporarily fixed to the side plate.
  4. 　前記第１の爪は、
    　基端から先端にかけて細くなるように傾斜した傾斜辺を有している
    　請求項１～３のいずれか１項に記載の空気調和機の室外機。     The first claw is
    The outdoor unit of the air conditioner according to any one of claims 1 to 3, which has an inclined side inclined so as to be narrowed from the base end to the tip end.
  5. 　前記第２の爪は、
    　前記フランジの他面に当接する基端部と、
    　前記基端部に接続され、前記フランジから離れる方向に延びる先端部と、を有する
    　請求項１～４のいずれか１項に記載の空気調和機の室外機。     The second claw
    The base end portion that abuts on the other surface of the flange and
    The outdoor unit of an air conditioner according to any one of claims 1 to 4, further comprising a tip end portion connected to the base end portion and extending in a direction away from the flange.
  6. 　前記切り欠きは、
    　前記フランジの上方に向かうに従って広がっている
    　請求項１～５のいずれか１項に記載の空気調和機の室外機。     The notch is
    The outdoor unit of the air conditioner according to any one of claims 1 to 5, which expands toward the upper side of the flange.
PCT/JP2020/033927 2020-09-08 2020-09-08 Outdoor unit for air conditioner WO2022054127A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022548267A JP7309078B2 (en) 2020-09-08 2020-09-08 outdoor unit of air conditioner
CN202080103382.4A CN115968433A (en) 2020-09-08 2020-09-08 Outdoor unit of air conditioner
PCT/JP2020/033927 WO2022054127A1 (en) 2020-09-08 2020-09-08 Outdoor unit for air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/033927 WO2022054127A1 (en) 2020-09-08 2020-09-08 Outdoor unit for air conditioner

Publications (1)

Publication Number Publication Date
WO2022054127A1 true WO2022054127A1 (en) 2022-03-17

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Application Number Title Priority Date Filing Date
PCT/JP2020/033927 WO2022054127A1 (en) 2020-09-08 2020-09-08 Outdoor unit for air conditioner

Country Status (3)

Country Link
JP (1) JP7309078B2 (en)
CN (1) CN115968433A (en)
WO (1) WO2022054127A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242544A (en) * 2005-03-07 2006-09-14 Mitsubishi Heavy Ind Ltd Outdoor unit and air conditioner
WO2016132459A1 (en) * 2015-02-17 2016-08-25 三菱電機株式会社 Outdoor unit
JP2017150769A (en) * 2016-02-26 2017-08-31 株式会社富士通ゼネラル Outdoor unit of air conditioner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3966750B2 (en) 2002-03-20 2007-08-29 東芝キヤリア株式会社 Air conditioner outdoor unit
JP3922232B2 (en) 2003-08-07 2007-05-30 ダイキン工業株式会社 Air conditioner outdoor unit
JP6197988B2 (en) 2013-03-28 2017-09-20 株式会社富士通ゼネラル Cover structure for refrigerant branch unit of air conditioner
JP6238878B2 (en) 2014-11-25 2017-11-29 三菱電機株式会社 Air conditioner outdoor unit
JP6836114B2 (en) 2016-07-07 2021-02-24 株式会社富士通ゼネラル Outdoor unit of air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242544A (en) * 2005-03-07 2006-09-14 Mitsubishi Heavy Ind Ltd Outdoor unit and air conditioner
WO2016132459A1 (en) * 2015-02-17 2016-08-25 三菱電機株式会社 Outdoor unit
JP2017150769A (en) * 2016-02-26 2017-08-31 株式会社富士通ゼネラル Outdoor unit of air conditioner

Also Published As

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CN115968433A (en) 2023-04-14
JP7309078B2 (en) 2023-07-14
JPWO2022054127A1 (en) 2022-03-17

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