EP1061310A2 - Installationsverfahren für Innenraumeinheit einer Klimaanlage - Google Patents

Installationsverfahren für Innenraumeinheit einer Klimaanlage Download PDF

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Publication number
EP1061310A2
EP1061310A2 EP00112689A EP00112689A EP1061310A2 EP 1061310 A2 EP1061310 A2 EP 1061310A2 EP 00112689 A EP00112689 A EP 00112689A EP 00112689 A EP00112689 A EP 00112689A EP 1061310 A2 EP1061310 A2 EP 1061310A2
Authority
EP
European Patent Office
Prior art keywords
air
exhaling
indoor unit
air conditioner
wall surface
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP00112689A
Other languages
English (en)
French (fr)
Other versions
EP1061310B1 (de
EP1061310A3 (de
Inventor
Yukio R. 1108 Co-op Nomura Kyoto Minami Watanabe
Akira Fujitaka
Yoshinori Kobayashi
Satoshi Kayano
Yuichi Yakumaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP1061310A2 publication Critical patent/EP1061310A2/de
Publication of EP1061310A3 publication Critical patent/EP1061310A3/de
Application granted granted Critical
Publication of EP1061310B1 publication Critical patent/EP1061310B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24F1/26—Refrigerant piping
    • F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
    • 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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0041—Indoor units, e.g. fan coil units characterised by exhaustion of inside air from the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air

Definitions

  • the present invention relates to an installation method of indoor unit of an air conditioner, an air conditioner installed by this method and an indoor unit suitable for this installation method.
  • a ventilation function is added to an air conditioner.
  • a ventilation function is added to an air conditioner.
  • a single through hole be used by disposing, within a single sleeve, connection pipes connecting the indoor unit and the outdoor unit as well as an air path for ventilation.
  • an installation method of an indoor unit of an air conditioner as the first mode, which is comprised of a step of forming two through holes on a wall surface of a building such that one of the through holes is used for connection pipes which connects the indoor unit and an outdoor unit and the other through hole is used for an exhaling air way through which air inside is exhaled to outside or for an inhaling air way through which air outside is inhaled.
  • this mode of the invention by providing a through hole separate from a through hole for the connection pipes, it becomes possible to provide a sufficient exhaling or inhaling capability without forming a big diameter through hole. Further, by this mode, since it is not necessary to form a big diameter through hole, conventional tools may be used; and it becomes possible to install an air conditioner on a limited wall surface space; and it is not necessary to be concerned about the strength of a wall surface etc.
  • an installation method of an indoor unit of an air conditioner as the second mode, which is comprised of a step of forming two through holes on a wall surface of a building such that one of the through holes is used for connection pipes as well as for an inhaling air way through which air outside is inhaled and the other through hole is used for an exhaling airway through which air inside is exhaled to outside.
  • this mode of the invention by providing a through hole exclusively for an exhaling air way separate from a through hole for the connection pipes, it becomes possible to provide a sufficient exhaling capability without forming a big diameter through hole. Further, by this mode, since one through hole is used exclusively for exhaling air way, the flexibility in selecting an exhaling air way is increased, and therefore, it becomes possible to form it at a position where a high exhaling efficiency may be achieved. Further, by this mode, since it is not necessary to form a big diameter through hole, conventional tools may be used; and it becomes possible to install an air conditioner on a limited wall surface space; and it is not necessary to be concerned about the strength of a wall surface etc.
  • an installation method of an indoor unit of an air conditioner as the third mode, which is comprised of a step of forming two through holes on a wall surface of a building such that one of said through holes is used for connection pipes as well as for an exhaling air way through which air inside is exhaled to outside and the other through hole is used for an inhaling air way through which air outside is inhaled.
  • this mode of the invention it is made possible to easily install an air conditioner which has an exhaling or inhaling function.
  • this mode of the invention by providing a through hole separate from a through hole for the connection pipes, it becomes possible to provide a sufficient inhaling capability without forming a big diameter through hole.
  • this mode since the same through hole is used for connection pipes as well as for an exhaling air way, exhaling from portion in the vicinity of a connection pipe where some probability of refrigerant leakage exists is made easier. Further, by this mode, since it is not necessary to form a big diameter through hole, conventional tools may be used; and it becomes possible to install an air conditioner on a limited wall surface space; and it is not necessary to be concerned about the strength of a wall surface etc.
  • an installation method of an indoor unit of an air conditioner utilizing two through holes formed on a wall surface of a building for connecting connection pipes as well as for exhaling air inside to outside or for inhaling air outside, wherein the diameters of these through holes are the same.
  • an installation method of an indoor unit of an air conditioner utilizing two through holes formed on a wall surface of a building for connecting connection pipes as well as for exhaling air inside to outside or for inhaling air outside, wherein the diameters of these through holes are adjusted by using tubular parts which are inserted into these through holes.
  • this mode of the invention by adjusting the diameters using the tubular parts which are inserted to the through holes, it is possible to adjust the diameters in response to the subject of construction, such as the connection pipes, the exhaling port or the inhaling port or combinations of these subjects; thereby, operability is enhanced and it becomes easier to install the air conditioner which has an exhaling or inhaling function.
  • an installation method of an indoor unit of an air conditioner utilizing two through holes formed on a wall surface of a building for connecting connection pipes as well as for exhaling air inside to outside or for inhaling air outside, wherein these holes are formed so as to have the same diameters and these diameters are adjusted by using tubular parts which are inserted into these through holes.
  • these through holes are formed on the wall surface in the horizontal direction with the predetermined distance in between.
  • these through holes are formed on the wall surface in the vertical direction with the predetermined distance in between.
  • a refrigerant a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to use the through hole which is placed lower part for the purpose of an exhaling air way.
  • these two through holes are formed on each of said adjoining wall surfaces.
  • these two through holes are provided on the adjoining wall surfaces, respectively, in such cases that the indoor unit is provided at a place on the wall surface which is close to the adjoining wall surface or is provide at the corner made up of these two adjoining wall surfaces, it is possible to use either of through holes, each is formed on the different wall surface, for the connection pipes and the like (and subsequent maneuvering thereof); thereby, operability in installation process is enhanced so that it makes easier to install an air conditioner which has an inhaling or exhaling function.
  • an installation method of an indoor unit of an air conditioner as the tenth mode, which is comprised of a step of forming two through holes on a wall surface of a building such that one of these through holes formed at lower portion is used for connection pipes and for an exhaling air way through which air inside is exhaled to outside, and the other through hole formed at upper portion is used for an inhaling air way through which air outside is inhaled.
  • this mode of the invention by providing a through hole separate from a through hole for the connection pipes, it becomes possible to provide a sufficient inhaling capability without forming a big diameter through hole. Further, by this mode, since the same through hole is used for connection pipes as well as for an exhaling air way, exhaling from a connection pipe portion where there is some probability of refrigerant leakage is made easier. Further, by providing the connection pipes and the exhaling air way in the through hole which is formed at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to exhale efficiently the flammable refrigerant when it is leaked. Further, by this mode, since it is not necessary to form a big diameter through hole, conventional tools may be used; and it becomes possible to install an air conditioner on a limited wall surface space; and it is not necessary to be concerned about the strength of a wall surface etc.
  • an installation method of an indoor unit of an air conditioner as the eleventh mode, which is comprised of a step of forming two through holes on a wall surface of a building such that one of these through holes formed at upper portion is used for connection pipes as well as for an inhaling air way through which air outside is inhaled and the other through hole formed at lower portion is used for an exhaling air way through which air inside is exhaled to outside.
  • this mode of the invention by providing a through hole for exhaling port separate from a through hole for the connection pipes, it becomes possible to provide a sufficient exhaling capability without forming a big diameter through hole. Further, by this mode, since the through hole formed the lower part is used exclusively for an exhaling air way, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to provide it at a place where there is a high exhaling efficiency. Further, by this mode, since it is not necessary to form a big diameter through hole, conventional tools may be used; and it becomes possible to install an air conditioner on a limited wall surface space; and it is not necessary to be concerned about the strength of a wall surface etc.
  • the twelfth mode of the invention is an air conditioner whose indoor unit is installed in accordance with either one of the modes of first through sixth, tenth and eleventh. With this mode of the invention, it is made possible to provide an air conditioner which has an exhaling or inhaling function and has the high installability.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; connection pipes connecting to an outdoor unit provided at upper portion of the back of the main body; and an exhaling port which is used for exhaling air inside provided at lower portion of the back of the main body.
  • connection pipes are provided at the upper part and the exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; connection pipes connecting to an outdoor unit and an exhaling port which is used for exhaling air inside provided at lower portion of the back of the main body.
  • connection pipes and the exhaling port are provided at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; connection pipes connecting to an outdoor unit and an inhaling port which is used for inhaling air our side provided at upper portion of the back of the main body; and an exhaling port which is used for exhaling air inside provided at lower portion of the back of the main body.
  • the exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • a refrigerant a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • this mode by providing the connection pipes as well as the inhaling port at the upper part of the back of the main body, one through hole becomes easier to use as an exclusive exhaling port; thereby, the flexibility in selecting a place for the exhaling port is increased, and as a result, it is made possible to place it at a place having a high exhaling efficiency.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; connection pipes connecting to an outdoor unit and an exhaling port which is used for exhaling air inside provided at lower portion of the back of the main body; and an inhaling port which is used for inhaling air out side provided at upper portion of the back of the main body.
  • the exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor. Further, in this mode, by providing the connection pipes and the exhaling port at the lower part of the back of the main body, the same through hole becomes easier to be used for connection pipes as well as for an exhaling air way; and thereby, exhaling from a connection pipe portion where there is some probability of refrigerant leakage is made easier.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; and an exhaling port which is used for exhaling air inside provided at lower portion of the back of the main body.
  • the exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger contained within a main body; and an exhaling port which is used for exhaling air inside provided at the portion close to either one of the right or left side of the indoor heat exchanger.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger and a fan contained within a main body; connection pipes connecting to an outdoor unit and an exhaling port which is used for exhaling air inside provided at upper portion of the back of said main body; and an inhaling port which is used for inhaling air out side provided at lower portion of the back of said main body, wherein, exhaling of the air inside is carried out using said fan.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger and a fan contained within a main body; connection pipes connecting to an outdoor unit and an inhaling port which is used for inhaling air out side provided at lower portion of the back of the main body; and an exhaling port which is used for exhaling air inside provided at upper portion of the back of the main body, wherein, exhaling of the air inside is carried out using said fan.
  • an indoor unit of an air conditioner which is installed using two through holes formed on a wall surface, which is comprised of an indoor heat exchanger and a fan contained within a main body; and an exhaling port which is used for exhaling air inside provided at upper portion of the back of said main body, wherein, exhaling of the air inside is carried out using the fan.
  • a fan in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • the fan is provided outside of the indoor unit.
  • the size of the indoor unit can be maintained at the size of conventional indoor unit.
  • a fan is provided on the wall's outside surface.
  • this mode of the invention it is easy to use a large fan which has a high ventilation capacity.
  • the HC system refrigerant such as propane or isobutene
  • the connection pipes flexible pipes or plastic pipes
  • the HC system refrigerant such as propane or isobutene
  • the HC system refrigerant such as propane or isobutene
  • the connection pipes flexible pipes or plastic pipes
  • the HC system refrigerant such as propane or isobutene
  • the conventional refrigerant such as R22
  • the diameters of the connection pipes Due to the fact that the diameters of the pipes can be smaller, it becomes possible to reduce the strength required for the connection pipes. Therefore, as a result, it becomes possible to use the flexible pipes or plastic pipes. This contributes significantly to the operability in installing operation.
  • the HC system refrigerant such as propane or isobutene
  • the connection pipes flexible pipes or plastic pipes
  • the HC system refrigerant such as propane or isobutene
  • the HC system refrigerant such as propane or isobutene
  • the connection pipes flexible pipes or plastic pipes
  • the HC system refrigerant such as propane or isobutene
  • the HC system refrigerant it is possible to reduce the diameters of the connection pipes in comparison to the case where the conventional refrigerant such as R22 is used such that the diameters are reduced to 75-80% in case of gas side connection pipe; to 15-58% in case of liquid side connection pipe. Due to the fact that the diameters of the pipes can be smaller, it becomes possible to reduce the strength required for the connection pipes. Therefore, as a result, it becomes possible to use the flexible pipes or plastic pipes. This contributes significantly to the operability in installing operation.
  • Fig. 1 is a structural diagram to explain an installation method of an indoor unit of an air conditioner of an embodiment of the present invention.
  • An air conditioner is comprised of an indoor unit 10 and an outdoor unit 20 and the indoor unit 10, and the outdoor unit 20 is connected by connecting pipes.
  • the indoor unit 10 is disposed on a wall surface 40 of the indoor side and the outdoor unit 20 is disposed outside of a building.
  • the indoor heat exchanging unit is a heat exchanger placed on the users' side which functions as an evaporator in cooling operation and as a condenser in warming operation.
  • the fan 12 blows out the hear-exchanged air by the indoor heat exchanger 11 or inhales the air from the outside and blows it out to indoor.
  • the fan 12 is driven by the motor 13.
  • the power supply controller 14 controls the motor 13, compressor, a fan, a four way valve, etc., all contained in the outside unit 20.
  • the outside unit 20 there contains an outdoor heat exchanger, a decompressor and so on.
  • the connecting pipes are comprised of a liquid side pipe and a gas side pipe.
  • the air conditioner of the present embodiment has inhaling/exhaling functions.
  • the fan 50 is for such inhaling/exhaling functions, and disposed on the outside sidewall surface 40.
  • the fan 50 does not have to have both functions of inhaling and exhaling, but it may be sufficient if the fan has either one of those functions.
  • by disposing the fan 50 in a through hole 42 it may prevent from the outside appearance becomes ruined and may make easier to take measures to prevent the intrusion of the rainwater.
  • two through holes 41, 42 are formed on the wall surface 40. And, the tubular parts 60 are inserted in the through holes 41, 42, respectively.
  • the through hole 41 is used for connecting pipes 30 which connect between the indoor unit 10 and the outside unit 20 on the one hand; and the through hole 42 is used for the air way for exhaling the indoor air as well as for air way for inhaling the outside air on the other hand.
  • a separate through hole 42 is provided for inhaling or exhaling air way separated from another through hole 41 used for installation of the connecting pipes 30, it makes easier to install the air conditioner which has an inhaling or exhaling air function.
  • the separate through hole 42 is provided in addition to the through hole 41 for the connection pipes 30, it is not necessary to make the diameters of the through holes 41, 42 bigger but yet providing a sufficient inhaling or exhaling function. Because it is not necessary to form bigger diameter through holes 41, 42, the conventional tools may be used and it makes possible to install an air conditioner even there is a limited wall surface space; and it is not necessary to be concerned about the strength of the wall surface.
  • Fig. 2 is a structural diagram to explain the installation method of an indoor unit of an air conditioner of another embodiment of the present invention.
  • the installation method of this embodiment is different from the above embodiment in that a through hole 41 is used for the connection pipes 30 as well as for the air way of inhaling, and the other through hole 42 is used for the air way of exhaling.
  • a through hole 42 for the air way of exhaling separate from a through hole 41 for connection pipes 30 is provided, thereby, it is not necessary to make the diameter of these through holes 41, 42 big; but it is possible to make certain that there is a sufficient exhaling capacity.
  • one through hole 42 is exclusively used for the exhaling air way, the level of freedom in choosing the exhaling air way is enhanced and it becomes possible to select a place where the exhaling efficiency will be high.
  • the fan 50 may prevent from the outside appearance becomes ruined and may make easier to take measures to prevent the intrusion of the rainwater.
  • the fan 12 it is also possible to have the function of the fan 50.
  • Fig. 3 is a structural diagram to explain the installation method of an indoor unit of an air conditioner of another embodiment of the present invention.
  • the installation method of this embodiment is different from the above embodiment in that a through hole 41 is used for the connection pipes 30 as well as for the air way of exhaling, and the other through hole 42 is used for the air way of inhaling.
  • connection pipes 30 and the exhaling air way in the same through hole 41 it makes easier to exhale the air at the vicinity of the connection pipes from which there is a possibility of refrigerant leakage.
  • the fan 50 it is appropriate to dispose the fan 50 inside the room, in particular, within the inside unit 10. Further, it is also possible to have the fan 12 to have the function of the fan 50 without providing the fan 50.
  • the present embodiment has been explained in reference to the case in which no inhaling fan within the inhaling air way is provided, it is possible to enhance the inhaling function by providing the similar fan as that used for the exhaling air way. Further, in this case, a place to put the fan can be on the wall surface 40 on the outside end, or it can be provided within the through hole 42. Further, it is also possible that the fan is provided indoor, in particular, within the indoor unit 10.
  • Fig. 4 is a structural diagram to explain the installation method of an indoor unit of an air conditioner of another embodiment of the present invention.
  • the installation method of the indoor unit 10 in this embodiment is as same as the above embodiment shown in Fig. 3 in that a through hole 41 is used for the connection pipes 30 as well as for the air way of exhaling, and the other through hole 42 is used for the air way of inhaling.
  • a different wall surface 40 is used for the through hole 42. That is, in this embodiment, the through hole 42 is provided on a wall surface 40 which adjoins the wall surface 40 where the through hole 41 is formed.
  • these two through holes 41, 42 are provided on the adjoining wall surfaces 40, respectively, in such cases that the indoor unit 10 is provided at the place on the wall surface which is close to the adjoining wall surface or is provide at the corner made up of these two adjoining wall surfaces, it is possible to use either of throughholes 41 or 42, each is formed on the different wall surface 40, for the connection pipes 30 and electric wiring (and subsequent maneuvering thereof); thereby, operability in installation process is enhanced so that it makes easier to ins tall an air conditioner which has inhaling or exhaling function.
  • the fan 50 it is appropriate to dispose the fan 50 inside the room, in particular, within the inside unit 10. Further, it is also possible to have the fan 12 to have the function of the fan 50 without providing the fan 50.
  • the present embodiment has been, as same as in the case of the explanation of the embodiment shown in Fig. 3, explained in reference to the case in which no inhaling fan within the inhaling air way is provided, it is possible to enhance the inhaling function by providing the similar fan as that used for the exhaling air way. Further, in this case, a place to put the fan can be on the wall surface 40 on the outside end, or it can be provided within the through hole 42. Further, it is also possible that the fan is provided indoor, in particular, within the indoor unit 10.
  • Fig. 5 is a structural diagram to explain the installation method of an indoor unit of an air conditioner of another embodiment of the present invention.
  • the indoor unit 10 is comprised of an inlet port 15 through which the air in the room is inhaled, an outlet port 16 from which the heat-exchanged air or the outdoor air is blown out, and a louver 17 which changes the direction of outlet air.
  • inlet port 15, out let port 16 and louver 17 are also provided to the indoor units shown in Figs. 1-4.
  • the through hole 43 which is formed lower part is used for the connection pipes and for the exhaling air way; and the through hole 44 formed upper part is used for the inhaling air way.
  • connection pipes 30 and the exhaling air way is provided in the through hole 43 which is formed lower part, in case that as refrigerant, flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to exhale efficiently the flammable refrigerant when it is leaked.
  • the fan 50 it is appropriate to dispose the fan 50 inside the room, in particular, within the inside unit 10. Further, it is also possible to have the fan 12 to have the function of the fan 50 without providing the fan 50.
  • the present embodiment has been explained in reference to the case in which no inhaling fan within the inhaling air way is provided, it is possible to enhance the inhaling function by providing the similar fan as that used for the exhaling air way. Further, in this case, a place to put the fan can be on the wall surface 40 on the outside end, or it can be provided within the through hole 42. Further, it is also possible that the fan is provided indoor, in particular, within the indoor unit 10.
  • Fig. 6 is a structural diagram to explain the installation method of an indoor unit of an air conditioner of another embodiment of the present invention.
  • the through hole 44 which is formed upper part is used for the connection pipes and for the inhaling air way; and the through hole 43 formed lower part is used for the exhaling air way.
  • the through hole 43 which is formed lower part is used exclusively for the exhaling air way, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to place the through hole 43 where it heightens the exhaling efficiency.
  • the present embodiment has been explained in reference to the case in which no fan 50 is provided neither in the inhaling air way or in the exhaling air way, it is possible to enhance the inhaling or exhaling function by providing a fan in either of the exhaling air way or the inhaling air way. Further, in this case, a place to put the fan can be on the wall surface 40 on the outside end, or it can be provided within the through hole 44. Further, it is also possible that the fan is provided indoor, in particular, within the indoor unit 10.
  • Fig. 7 is a structural diagram to explain the installation method of an indoor unit of an air conditioner suitable for the embodiments shown in Figs. 1-3.
  • This embodiment shows the case in which the through hole 41 and the through hole 42 are formed on the wall surface 40 in the lateral direction with the predetermined distance in between.
  • the air conditioner is installed on the wall surface 40 by the indoor unit installation board 71.
  • This indoor unit installation board 71 is comprised of a latch portion 71A on the upper part by which the air conditioner is hanged, and cutout portions 71B, 71C which are provided on the both side of lower part where the through holes 41, 42 will be accommodated.
  • the indoor unit installation board 71 is fixed onto the wall surface 40 by screws or the like.
  • these two through holes 41, 42 are provided in the lateral direction with the predetermined distance in between, it provides more flexibility in selecting where the indoor unit is installed; and in putting the connection pipes and in subsequent maneuvering thereof, either of the through holes 41, 42 may be utilized, thereby, the operability in installing is enhanced and it provides easy method of installation of an air conditioner having the exhaling or inhaling function.
  • Fig. 8 is a structural diagram to explain the installation method of an indoor unit of an air conditioner suitable for the embodiments shown in Figs 5 or 6.
  • This embodiment shows the case in which the through hole 43 and the through hole 44 are formed on the wall surface 40 in the vertical direction with the predetermined distance in between.
  • the air conditioner is installed on the wall surface 40 by the indoor unit installation board 72.
  • This indoor unit installation board 72 is comprised of a latch portion 72A on the upper part by which the air conditioner is hanged, and cutout portions 72B, 72C which are provided on either of the side parts in the vertical direction where the through holes 43, 44 will be accommodated.
  • the indoor unit installation board 72 is fixed onto the wall surface 40 by screws or the like.
  • these two through holes 43, 44 are provided in the vertical direction with the predetermined distance in between, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is possible to use the through hole 43 which is placed at lower portion for the purpose of an exhaling air way.
  • a refrigerant a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used
  • Fig. 9 is a structural diagram to explain an indoor unit of an air conditioner suitable for the embodiments shown in Fig. 1.
  • the indoor side connection pipes 30A and an opening 18A are provided at each lower side of the back of an indoor unit 10A.
  • the opening 19A functions as an exhaling port or an inhaling/exhaling port.
  • the indoor side connection pipes 30A and the opening 18A which functions as an exhaling port are positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • the specific positions of the indoor side connection pipes 30A and the opening 18A can be reversed from those explained as an embodiment. Further, when the indoor unit 10A of this embodiment is installed, it is preferable to use the indoor unit installation board 71 shown in Fig. 7.
  • Fig. 10 is a structural diagram to explain an indoor unit of an air conditioner suitable for the embodiment shown either in Fig. 2 or 3.
  • the indoor unit of this embodiment is provided with an opening 18B which is formed near the indoor side connection pipes 30A of the indoor unit 10A shown as the embodiment in connection with Fig. 9. It is preferable that the opening 18B is provided such that it consists an outside concentric circle with the hole for the indoor side connection pipes 30A. In this case, if the opening 18A consists an exhaling port, the opening 18B is used as an inhaling port; if the opening 18A consists an inhaling port, the opening 18B is used for an exhaling port.
  • the indoor side connection pipes 30A and the opening 18A or opening 18B which functions as an exhaling port are positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • the positions of the indoor side connection pipes 30A may be on the right side part. Further, when the indoor unit 10A of this embodiment is installed, it is preferable to use the indoor unit installation board 71 shown in Fig. 7.
  • Fig. 11 is a structural diagram to explain an indoor unit of an air conditioner suitable for the embodiment of installation method which employs two through holes provided in the vertical direction as shown either in Fig. 5 or 6.
  • the indoor side connection pipes 30B and an opening 19A are provided at one of the sides of the back of an indoor unit 10A in the vertical direction.
  • the opening 19A functions as an exhaling port or an inhaling/exhaling port.
  • the indoor side connection pipes 30B is provided at the upper and the opening 19A which functions as an exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • a refrigerant a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor.
  • the positions of the indoor side connection pipes 30B and the opening 19 may be on the right side part. Further, when the indoor unit 10C of this embodiment is installed, it is preferable to use the indoor unit installation board 72 shown in Fig. 8.
  • Fig. 12 is a structural diagram to explain an indoor unit of an air conditioner suitable for the embodiment of installation shown in Fig. 5.
  • the indoor side connection pipes 30B and an opening 19B are provided at the lower part of one of the sides of the back of an indoor unit 10D and the opening 19A is provided at the upper part. It is preferable that the opening 19B is provided such that it consists an outside concentric circle with the hole for the indoor side connection pipes 30B. In this case, the opening 19A functions as an inhaling port and the opening 19B functions as an exhaling port.
  • the opening 19B which functions as an exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor. Further, since the indoor side connection pipes 30B and the opening 19B which consists an exhaling port are provided at the lower part of the back of the unit, the exhaling from a part where the possibility of the refrigerant leakage is high because of the connection pipes is made easier.
  • the positions of the indoor side connection pipes 30B may be on the right side part. Further, when the indoor unit 10D of this embodiment is installed, it is preferable to use the indoor unit installation board 72 shown in Fig. 8.
  • Fig. 13 is a structural diagram to explain an indoor unit of an air conditioner suitable for the embodiment of installation shown in Fig. 6.
  • the indoor side connection pipes 30B and an opening 19B are provided at the upper part of one of the sides of the back of an indoor unit 10E and the opening 19A is provided at the lower part. It is preferable that the opening 19B is provided such that it consists an outside concentric circle with the hole for the indoor side connection pipes 30B. In this case, the opening 19A functions as an exhaling port and the opening 19B functions as an inhaling port.
  • the opening 19A which functions as an exhaling port is positioned at the lower part, in case that as a refrigerant, a flammable refrigerant having a specific gravity greater than that of the air, for example, propane is used, it is easy to exhale such leaked refrigerant to the outdoor. Further, since the indoor side connection pipes 30B and the opening 19B which consists an inhaling port are provided at the upper part of the back of the unit, the opening 19A is exclusively used as an exhaling port, thereby, the flexibility regarding where to form the exhaling port is increased; and therefore, it becomes possible to place it where high exhaling efficiency can be obtained.
  • the position of the indoor side connection pipes 30B may be on the right side part. Further, when the indoor unit 10E of this embodiment is installed, it is preferable to use the indoor unit installation board 72 shown in Fig. 8.
  • the opening 19A which is provided at the lower part in the embodiment shown in Fig. 11, the opening 19B which is provided at the lower part in the embodiment shown in Fig. 12, and the opening 19A which is provided at the lower part in the embodiment shown in Fig. 13, are all for an exhaling port; and the opening 19B which is provided at the upper part in the embodiment shown In Fig. 11, the opening 19A which is provided at the upper part in the embodiment shown in Fig. 12, and the opening 19B which is provided at the upper part in the embodiment shown in Fig. 13, are all for an inhaling port.
  • exhaling port and such inhaling port are exchanged.
  • a refrigerant a flammable refrigerant having a specific gravity greater than that of the air, for example, propane is used
  • the exhaling of the leaked refrigerant is carried out by driving the fan 12 contained in the indoor unit if there is a leak.
  • a fan for exhaling may be provided in addition to the fan 12; and the fan 50 which was explained in connection with the above embodiments may be used.
  • the refrigerant whose specific gravity is smaller than that of the air it is not necessary to use a fan.
  • tubular part 60 which is inserted into the through hole that has been explained in the above embodiments will be explained in reference to Figs. 14-16.
  • a tubular part 61, 62, 63 is comprised of a main body 61B, 62B, 63B which has a flange 61A, 62A, 63A at one end and a cap 61C, 62C, 63C which are connectable to the other end of the main bodies 61B, 62B, 63B.
  • the outer diameter of cap 61C, 62C, 63C is preferably the same outer diameter of the flange 61A, 62A, 63A.
  • the main body 61B, 62B, 63B has a hollow tubular shape and the both ends are open.
  • the tubular part 61 is of such dimensions that the inner diameter of main body 61B is R1 and the outer diameters of flange 61A and the cap 61C are S1.
  • the tubular part 62 is of such dimensions that the inner diameter of main body 62B is R1 and the outer diameters of flange 62A and the cap 62C are S2.
  • the tubular part 63 is of such dimensions that the inner diameter of main body 63B is R2 and the outer diameters of flange 63A and the cap 63C are S1.
  • the dimensional relation between S1 and S2 is S1 ⁇ S2; the dimensional relation between R1 and R2 is R1 ⁇ R2.
  • the diameters of the through holes which are formed on the wall surface 40 are different, it is possible to adjust the diameters using the tubular part 61 and the tubular part 62.
  • the diameters using the tubular parts 61, 62 which are inserted to the through holes it is possible to adjust the diameters in response to the subject of construction, such as the connection pipes, the exhaling port or the inhaling port or combinations of these subjects; thereby, operability is enhanced and it becomes easier to install the air conditioner which has an exhaling or inhaling function.
  • the tubular part 61 and the tubular part 63 it is possible to adjust the diameters by using the tubular part 61 and the tubular part 63 in case that the same diameter through holes are formed on the wall surface 40. In this way, the formation of the through holes becomes more convenient since the diameters are the same.
  • the diameters By adjusting the diameters using the tubular parts 61, 63 which are inserted to the through holes, it is possible to adjust the diameters in response to the subject of construction, such as the connection pipes, the exhaling port or the inhaling port or combinations of these subjects; thereby, the operability is enhanced and it becomes easier to install the air conditioner which has an exhaling or inhaling function.
  • connection pipes 30 and the indoor side connection pipes 30A are omitted.
  • connection pipes flexible pipes or plastic pipes may be used.
  • the HC system refrigerant such as propane or isobutene
  • the diameters of the connection pipes in comparison to the case where the conventional refrigerant such as R22 is used such that the diameters are reduced to 75-80% in case of gas side connection pipe; to 15-58% in case of liquid side connection pipe. Due to the fact that the diameter of the pipes can be smaller, it becomes possible to reduce the strength required for the connection pipes. Therefore, as a result, it becomes possible to use the flexible pipes or plastic pipes.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP00112689A 1999-06-17 2000-06-15 Installationsverfahren für Innenraumeinheit einer Klimaanlage Expired - Lifetime EP1061310B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17042999 1999-06-17
JP17042999A JP3822386B2 (ja) 1999-06-17 1999-06-17 空気調和装置における室内ユニット

Publications (3)

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EP1061310A2 true EP1061310A2 (de) 2000-12-20
EP1061310A3 EP1061310A3 (de) 2002-07-03
EP1061310B1 EP1061310B1 (de) 2005-12-07

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EP00112689A Expired - Lifetime EP1061310B1 (de) 1999-06-17 2000-06-15 Installationsverfahren für Innenraumeinheit einer Klimaanlage

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EP (1) EP1061310B1 (de)
JP (1) JP3822386B2 (de)
DE (1) DE60031186T2 (de)
ES (1) ES2253159T3 (de)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN105042934A (zh) * 2013-09-13 2015-11-11 三菱电机株式会社 制冷循环装置
EP3358279A4 (de) * 2015-09-30 2019-06-12 Daikin Industries, Ltd. Aufnahmeeinheit für wasserwärmetauscher
US20210156576A1 (en) * 2019-11-26 2021-05-27 Samsung Electronics Co., Ltd. Air conditioner and pipe installation apparatus therefor
EP4086525A1 (de) * 2021-05-06 2022-11-09 Martin Maeser Wärmepumpe zur klimatisierung eines gebäudeteiles

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN111256269B (zh) * 2020-01-20 2021-04-23 温州职业技术学院 一种供热建筑内的暖气通风装置
CN112781104B (zh) * 2020-12-24 2022-04-22 珠海格力电器股份有限公司 新风组件和空调系统及其控制方法

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JPH03282132A (ja) * 1990-03-30 1991-12-12 Toshiba Corp 空気調和装置
JPH04236027A (ja) * 1991-01-16 1992-08-25 Matsushita Electric Ind Co Ltd 空気調和装置
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JPH03312A (ja) 1989-05-26 1991-01-07 Mitsubishi Electric Corp 動圧型流体軸受装置
JPH0385327A (ja) 1989-08-28 1991-04-10 Isuzu Ceramics Kenkyusho:Kk 断熱２サイクルガソリンエンジン

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042934A (zh) * 2013-09-13 2015-11-11 三菱电机株式会社 制冷循环装置
CN105042934B (zh) * 2013-09-13 2017-12-29 三菱电机株式会社 制冷循环装置
EP3358279A4 (de) * 2015-09-30 2019-06-12 Daikin Industries, Ltd. Aufnahmeeinheit für wasserwärmetauscher
US20210156576A1 (en) * 2019-11-26 2021-05-27 Samsung Electronics Co., Ltd. Air conditioner and pipe installation apparatus therefor
US11754299B2 (en) * 2019-11-26 2023-09-12 Samsung Electronics Co., Ltd. Air conditioner and pipe installation apparatus therefor
EP4086525A1 (de) * 2021-05-06 2022-11-09 Martin Maeser Wärmepumpe zur klimatisierung eines gebäudeteiles

Also Published As

Publication number Publication date
JP3822386B2 (ja) 2006-09-20
JP2000356365A (ja) 2000-12-26
ES2253159T3 (es) 2006-06-01
EP1061310B1 (de) 2005-12-07
DE60031186T2 (de) 2006-12-28
DE60031186D1 (de) 2006-11-16
EP1061310A3 (de) 2002-07-03

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