WO1999043989A1 - Indoor unit for air-conditioners and structure for installing the same - Google Patents
Indoor unit for air-conditioners and structure for installing the same Download PDFInfo
- Publication number
- WO1999043989A1 WO1999043989A1 PCT/JP1999/000914 JP9900914W WO9943989A1 WO 1999043989 A1 WO1999043989 A1 WO 1999043989A1 JP 9900914 W JP9900914 W JP 9900914W WO 9943989 A1 WO9943989 A1 WO 9943989A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- indoor unit
- air
- casing
- outlet
- air conditioner
- 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.)
- Ceased
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
Definitions
- the present invention relates to an indoor unit of an air conditioner and an installation structure of the indoor unit.
- some air conditioner indoor units are formed by housing an indoor heat exchanger, a fan, and the like inside a casing having an inlet and an outlet formed therein.
- the indoor unit sucks indoor air from the suction port and exchanges heat between the indoor air and the refrigerant in the refrigeration circuit in the indoor heat exchanger to generate conditioned air. Then, the indoor unit blows out conditioned air from the outlet to air-condition the room.
- This type of indoor unit is equipped with a centrifugal fan and a casing mounted on a side wall of a room, as disclosed in Japanese Patent Publication No. 59-25927, for example.
- This indoor unit is configured to suck indoor air from a suction port formed on a front surface of a casing and blow out conditioned air from a blow port formed at a lower portion of a casing.
- the centrifugal fan is provided in the casing with the rotation axis being horizontal.
- Japanese Patent Publication No. 63-154494 discloses a ceiling-hanging indoor unit.
- a centrifugal fan is arranged in a casing with a rotation axis in a vertical direction, and a substantially U-shaped heat exchanger located on a front side and a side surface of the centrifugal fan is arranged.
- the indoor unit is configured to suck indoor air from the lower surface of the rectangular parallelepiped casing, and to blow out conditioned air from the front surface and both side surfaces of the casing.
- the above-mentioned conventional wall-mounted indoor unit has conditioned air at the bottom of the casing. There was a problem that conditioned air could not be supplied uniformly to the room because the air was blown forward from the formed outlet.
- the indoor unit since the indoor unit only blows out the conditioned air to the front of the indoor unit and cannot blow out the left and right direction of the indoor unit, the indoor unit cannot supply the conditioned air over the entire indoor space. could not be uniformly cooled or heated. As a result, there was a problem that the room temperature was not uniform and sufficient comfort could not be obtained.
- the present invention has been made in view of the above points, and an object of the present invention is to make it possible to blow out conditioned air more evenly into a room, and to effectively use the indoor space, and furthermore, An object of the present invention is to realize an indoor unit of an air conditioner with a small feeling of pressure.
- the present invention makes it possible to blow out conditioned air in three directions, forward and on both sides, to make the casing (10, 110) flat, and to make the casing (10, 110) In order to make the thickness on the front side smaller than the thickness on the back side, a slope inclined downward from the front to the rear of the casing (10, 110) below the casing (10, 110). (14, 114).
- the first solution is to make the indoor unit of an air conditioner that draws indoor air into the casing (10, 110) and blows out conditioned air into the room symmetrical.
- Thing (10, 110) has a flat, substantially rectangular parallelepiped main body (11, 111), and the main body (11, 111) And a bulge (13, 113) that is continuous with the bottom of the slab.
- the front surface of the bulging portion (13, 113) is formed as an inclined surface (14, 114) which is inclined downward from the front of the casing (10, 110) to the rear.
- suction ports (41, 141) are formed on the inclined surfaces (14, 114) of the bulging portions (13, 113), and front outlets (43, 143) are formed on the front surface of the main body (11, 111). ) Is formed, and side outlets (44, 144) are formed on the side surface of the main body (11).
- air passages (45, 145) communicating from the suction ports (41, 141) to the outlets (43, 44, 143, 144) are formed.
- fans (20R, 20L, 120R, 120L) and heat exchangers (30, 130) that generate conditioned air from room air are arranged.
- a second solution is that in the first solution, the casing (10, 110) is attached to the side wall (72) via the wall hanging means (170).
- a third solution is that, in the first solution, the casing (10, 110) is attached to the ceiling (71) via the suspension means (170).
- a fourth solution is the first solution, wherein the bulging portion (13, 113) of the casing (10, 110) extends downward from inside the front edge and both side edges of the main body (11, 111). It is configured to bulge out.
- the front edge and both side edges of the main body (11, 111) are protruding edge portions (12, 112) projecting forward and sideward from the front end and both side edges of the bulging portion (13, 113). It is formed in.
- the front surface and both side surfaces of the protruding edge (12) are substantially vertical surfaces.
- a sixth solution is that in the fourth solution, the protruding edge (112) is a curved surface protruding outward from the casing (110).
- a seventh solution means is the same as the first solution means, wherein the fan (20R, 20L, 120R, 120L) is a centrifugal fan that sucks indoor air from below and discharges the air to the side. .
- the centrifugal fans (20R, 20L, 120R, 120L) are arranged with the rotation axis in the vertical direction.
- a plurality of centrifugal fans (20R, 20L, 120R, 120L) are provided inside the body (11, 111) of the casing (10, 110).
- the main bodies (11, 111) are arranged in parallel in the width direction.
- a ninth solution is the above-mentioned eighth solution, wherein the heat exchanger (30) is arranged below the centrifugal fans (20R, 20L).
- a tenth solution is the ninth solution, wherein the heat exchanger (30) is housed inside the bulging portion (13) of the casing (10).
- the first solution is the ninth solution according to the ninth solution, wherein the air discharged from the centrifugal fans (20R, 20L) is blown into the casing (10) by the front outlet (43) and the side blower.
- An air guide member (60) having guide surfaces (61, 62) formed corresponding to the centrifugal fans (20R, 20L) is provided so as to guide to the outlet (44).
- the two side outlets (44) are configured to be able to be closed.
- the casing (10) has a three-way outlet with the front outlet (43) and two side outlets (44) open, one side outlet (44) closed, and the other side outlet (44) closed.
- Two-way outlet with outlet (44) and front outlet (43) open, and one-way outlet with two side outlets (44) closed and front outlet (43) open Have been.
- the discharge air of the centrifugal fans (20R, 20L) is blown forward.
- the air is split into the outlet (43) and the two side outlets (44) and set to two-way or one-way, the closed side of the air discharged from the centrifugal fan (20R, 20L)
- Airflow changing means ( 52 ) for guiding the air flowing through the outlet (44) to the front outlet (43) is provided.
- a fourteenth solution is the heat exchanger of any one of the first to eighteenth solutions, wherein the heat exchanger (130) is housed inside the body (111) of the casing (110), And a front heat exchange part (131) arranged along the front outlet (I 43 ) and a side heat outlet (144). And a side heat exchanging section (132) that is disposed.
- the air conditioning component (160) is housed in a gap inside the bulging portion (113).
- a sixteenth solution is the air conditioning device according to the fifteenth solution, wherein the air conditioning component (160) is at least one of a high-performance air filter and a deodorizer.
- the seventeenth solution is the first solution, wherein the air-conditioning component () is provided in a gap between the rear surface (110b) and the fans (120R, 120L) on the rear side of the casing (110). 162a, 162b) are stored.
- an eighteenth solution is the configuration according to the seventeenth solution, wherein the air conditioning components are a refrigerant pipe (162a) and a drain pipe (162b).
- a nineteenth solution is the first solution, wherein the heat exchanger (130) is provided with a front heat exchange part (131) arranged along the front outlet (143), and a side blower. And a side heat exchange section (132) arranged along the outlet (144).
- fan (1 2 0R, 120L) is the back of the casing (110) and (110b), front side heat exchanging portion of the heat exchanger (130) and (131) the lateral heat exchange section (132) It is located between.
- the Ke - Thing (110) of the rear (110b) and the fan (1 2 ⁇ _R, 120L) and the air gap (S1) between the lateral heat exchange section (I 32), parts for air conditioning ( 161) are arranged.
- a twenty-second solution is the first solution, wherein the heat exchanger (130) is provided with a front heat exchange part (131) arranged along the front outlet (143), and a side blower. And a side heat exchange part (132) arranged along the outlet.
- fan (1 2 0R, 120L) is the back of the casing (110) and (110b), front side heat exchanging portion of the heat exchanger (130) and (131) the lateral heat exchange section (132) Are arranged in parallel.
- an air-conditioning component (161) is arranged in a gap (S2) between each of the fans (120R, 120L) and the front heat exchange section (131).
- a twenty-first solution is the first solution, wherein the heat exchanger (130) includes a front heat exchange part (131) arranged along the front outlet (143); And a side heat exchange section (132) arranged along the outlet (144).
- the heat exchanger (130) includes a front heat exchange part (131) arranged along the front outlet (143); And a side heat exchange section (132) arranged along the outlet (144).
- the emission (1 2 0R, 120L) is the back case and one single (110) and (110b)
- front side heat exchanging portion of the heat exchanger (DO) and (131) the lateral heat exchange section (132) Are arranged in parallel.
- an air-conditioning component (161) is disposed in a gap (S3) between the rear surface (110b) of the casing (110) and each fan (120R, 120L).
- a second solution is the first solution, wherein the heat exchanger (130) includes a front heat exchange section (Bl) arranged along the front outlet (143), and a side blower. is configured to include an outlet (lateral heat exchange section disposed along the 14 and 132. in addition, fan (1 2 0R, 120L) is a rear surface of the casing (110) (110b), A plurality of heat exchangers (O) are arranged in parallel between the front heat exchange section (131) and the side heat exchange section (132). Air conditioning components (161) are arranged in the gap (S4) between them.
- a twenty-third solution is the configuration according to any one of the nineteenth to twenty-second solutions, wherein the air conditioning component is a switch box (161).
- a twenty-fourth solution is the air conditioner according to any one of the nineteenth to twenty-second solutions, wherein the air conditioning component is a drain pump.
- the inclined surface (114) of the bulging portion (113) is formed to have a gentler inclination on the rear side than on the front side of the casing (110).
- a plurality of slits (141a) extending in the left-right direction of the casing (110) are arranged in the suction port (1 ") in parallel in the front-rear direction. The width is formed wider at the rear side than at the front side of the casing (110).
- the centrifugal fans (120R, 120L) are arranged so that air flows between the casing and the upper surface of the casing (110). 110) is arranged at a predetermined interval from the inner upper surface.
- a motor (125) of a centrifugal fan (lR, 120L) is arranged between the centrifugal fan (120R, 120L) and the casing (110).
- a twenty-seventh solution is the first solution, wherein the side plate (llOe) of the casing (110) is configured to be detachable.
- the side plate (110e) The component (151) of the side outlet (144) is incorporated.
- a twenty-eighth solution is an indoor unit comprising the indoor unit (2) of the air conditioner according to the first solution and an installation tool (170) for installing the indoor unit (2) in a room.
- the installation structure is symmetric.
- the installation tool (170) includes a vertical plate member ( ⁇ 1) along the rear surface (110b) of the indoor unit (2) and a horizontal plate member (172) extending forward from the vertical plate member (171). It is integrated.
- the vertical plate member (171) is the back side of the lower portion of the indoor unit) provided with a (first stop means for engaging and 110f) (17 3), the horizontal plate member (172) is,
- the indoor unit (2) includes a second stopper (174) that engages with a portion (110g) forward of the lower portion (110f) on the back side of the indoor unit (2).
- a twenty-ninth solution is the fixing device according to the twentieth solution, wherein the upper surface (110a) of the indoor unit (2) is a horizontal plate member of the mounting unit (170). those that are configured to engage in a state substantially along the (17 2).
- the lateral plate upper surface of the member (1 off 2) and an indoor unit) of the mounting fitting (170) (110a) such that a gap for adjusting the position of the indoor unit (2) occurs.
- the engagement position of the indoor unit (2) with the fixture (170) is determined.
- the vertical plate member (171) is formed with a mounting hole (H3) in the side wall (72) of the room.
- a bolt for fixing the indoor unit (2) (9 0, 95) of the mounting hole (HI) is formed.
- a thirty-first solution is the thirtieth solution wherein the mounting hole (HI) of the horizontal plate member (172) is attached to the suspension bolt ( 95 ) of the ceiling (71) for fixing the indoor unit).
- the structure is formed at the corresponding position.
- a thirty-second solution is the solution according to the twenty-eighth solution, wherein the first stopper is engaged with the lower portion (110f) on the rear side of the indoor unit (2) by the vertical plate member (171f). ) Is the first hook (173) provided at the lower end. Moreover, the second stop means is a second hook provided on the right and left edges of the side edge portion side plate member to engage with (LlOg) (17 2) of the indoor unit (2) (174).
- the second hook (174) is formed of an elastic material, and is configured to be located along the side edge (llOg) of the indoor unit (2); (174a) and a front end locking portion (174b) formed by bending inward from a side edge portion (llOg) of the indoor unit (2) from the lower end.
- the room air is supplied from the suction ports (41, 141) provided on the inclined surfaces of the bulging portions (13, 113). It is sucked into the casing (10, 110).
- the room air is heated or cooled in the heat exchangers (30, 130) to be conditioned air.
- This conditioned air flows through the air passages (45, 145) and is blown into the room from the outlets (43, 44, 143, 144).
- the conditioned air is blown from the front outlets (43, 143) to the front of the indoor unit (1, 2), and from the side outlets (44, 144), the conditioned air from the indoor unit (1, 2) is opened. It is blown out to the side. That is, conditioned air is blown in three directions, in front of and on both sides of the indoor unit (1, 2).
- the indoor units (1, 2) are inclined downward from the front to the rear of the casing (10, 110) by the bulging portions (13, 113) provided at the bottom of the flat body (11, 111). Inclined surfaces (14, 114) are provided.
- the thickness of the casing (10, 110) on the front side is smaller than the thickness on the back side.
- the casing (10, 110) is attached to the side wall (72) via the wall hanging means (170).
- the casing (10, 110) is It is attached to the ceiling (71) via lowering means (170).
- the front edge and both side edges of the main body (11, 111) of the casing (10, 110) are larger than the front edge and both side edges of the bulging portion (13, 113). It constitutes protruding edges (12, 112) that protrude forward and sideways.
- the inlets (41, 141) are bulged (13, 113)
- the front outlets ( 43 , 143) and the side outlets (44, 144) are formed on the front and side surfaces of the main body (11, 111).
- the outlets (43, 44, 143, 144) and the inlets (41, 141) are located at a predetermined distance.
- the protruding edge (12) of the main body (11) of the casing (10) may have a front surface and both side surfaces formed by substantially vertical surfaces, as in the fifth solution, or the sixth solution.
- the casing (110) may be constituted by a curved surface projecting outward.
- the centrifugal fans (20R, 20L, 120R, 120L) are arranged so that the rotation axis is in the vertical direction. Therefore, the space required for disposing the centrifugal fans (20R, 20L, 120R, 120L) can be narrowed in the vertical direction. Therefore, the casing (10) can be formed in a vertically flat shape having a low height.
- a plurality of centrifugal fans (20R, 20L, 120R, 120L) are placed inside the body (11, 111) of the casing (10, 110). ) Are arranged in parallel in the width direction. Therefore, air can be sufficiently sent to the side outlets (44, 144).
- the room air is generated into conditioned air from the suction ports (41, 141) through the heat exchanger (30), and then the centrifugal fans (20R, 20L) Is sucked into. Then, the conditioned air is blown into the room from each outlet (43, 44).
- the air discharged from the centrifugal fan (20R, 20L) toward the front outlet (43) and the side outlet (44) passes through both outlets (43, 44). It flows and is blown out into the room.
- the air discharged from the centrifugal fans (20R, 20L) in the direction opposite to the outlets (43, 44) is directed to the guide surfaces (61, 62) formed on the air guide member (60). It flows along and is led to the front outlet (43) and the side outlet (44). Therefore, the conditioned air is blown out by the centrifugal fans (20R, 20L) in three directions, forward and side of the casing (10).
- each side outlet (44) is configured to be freely closed, and the casing (10) can be set to three-way blowout, two-way blowout, and one-way blowout. Structure Has been established. Therefore, the conditioned air blowing direction is set according to the installation state of the indoor unit (1) and the use of the room (70) where the indoor unit (1) is installed.
- the fan (20R, 20L) is discharged by the airflow changing means (52) when the two-way outlet (44) is set to the open three-way blowout. Diverted air to the front outlet (43) and to both outlets (44).
- the side outlet (44) was closed and set to two-way or one-way outlet, it was discharged from the fan (20R, 20L) and closed by the airflow changing means (52). The air flowing to the side outlet (44) is led to the front outlet (43).
- the heat exchanger (130) is provided inside the main body (111) of the casing (110) with the front heat exchange portion (131) along the front air outlet (43).
- a side heat exchange part (132) is provided along the side outlet (44).
- the heat exchanger (130) is housed in the main body (111) of the casing (110), a void is formed inside the bulging portion (113). Therefore, in the fifteenth solution, the air-conditioning component (160) is stored in the gap, and in the sixteenth solution, the air-conditioning component (160) is stored in the high-performance air filter and deodorizing. Container.
- the air conditioning components (162a, 162b) are housed in the gap between the rear surface (110b) of the casing (110) and the fans (120R, 120L).
- the air-conditioning components are the refrigerant pipe (162a) and the drain pipe (162b), so that the gap on the back (110b) side of the casing (110) can be effectively used.
- the slit (141a) formed in the suction port (141) is formed on the inclined surface (140) of the bulging portion (II 3 ) from the front side of the casing (110). Also, it is formed wide with a gentle slope on the rear side.
- the viewing direction is usually obliquely upward from the center of the room, so the slit (141a) looks almost the same width to the occupant.
- the slit (141a) is actually formed wider on the rear side of the casing (110), the air suction resistance can be reduced.
- the side plate (110e) of the casing (110) is configured to be detachable from other casing components (110a, 110b, 110c, 110d). . Further, the side plate (110e) is provided with a component (151) of the side air outlet (144) incorporated therein. Therefore, the position of the component (151) can be adjusted in advance on the side plate (110e).
- the fixture (170) is attached to the side wall (72) or the ceiling (71) of the room.
- the lower part (110f) on the rear surface (110b) side of the indoor unit (2) is engaged with the first stopper means (173), and the forward part (110g) is engaged with the second stopper means (173). 174), and attach the indoor unit (2) to the fixture (170).
- the upper surface of the mounting member transverse plate member (1 off 2) and indoor unit (no) (2) (110a) A defined gap occurs. Therefore, when the indoor unit (2) is fixed to the horizontal plate (172) thereafter, the inclination of the indoor unit (2) can be finely adjusted.
- the mounting tool (170) is attached to the side wall (72) of the room using the mounting hole (H3) of the vertical plate member (171), Attach the indoor unit (2) to the fixture (170) in the same manner as described above, and secure the indoor unit) to the horizontal plate member (172) of the fixture (170) using bolts ( 90 , 95). . That is, in this case, each of the stopping means 73 and 174) is used as a mechanism for temporarily fixing the indoor unit (2) to the fixture (170).
- the fixture (170) can be fixed to the suspension bolt (95) of the ceiling (71). After temporarily fixing the indoor unit) to the fixture (170), it can be fixed.
- the lower part (110f) on the back (110b) side of the indoor unit (2) is hooked on the first hook (173), and then the front side of the indoor unit (2) is When lifted, the side edge (110g) of the indoor unit (2) can be hooked on the tip hook (174b) of the second hook (# 4).
- the second hook (17 4) after elastic deformation widened by pressing by the passage of the side edge portion of the indoor unit (2) (110g), the side edges (110g) is tip locking portion ( After passing through 174b), it returns to its original shape and engages with the side edge (110g).
- the front outlet (43, 143) is forward of the casing (10, 110), and the side outlet (44, 144) is the side of the casing (10, 110).
- Each can blow out harmony air. That is, the indoor units (1, 2) can blow out conditioned air in three directions, forward and on both sides. Therefore, conditioned air can be supplied to the entire indoor space, and the room can be uniformly cooled or heated. As a result, the room temperature is made uniform, and the comfort of the occupants can be improved.
- the casing (10, 110) of the indoor unit (1, 2) is formed in a flat shape up and down, and the thickness of the front side of the casing (10, 110) is changed to the thickness of the rear side. Because it is thinner, the feeling of pressure on the occupants can be reduced.
- the wall-mounted indoor unit (1, 2) can be configured to be able to blow out conditioned air in three directions, forward and sideways.
- the conditioned air is directed to the above three directions in the wall-mounted indoor unit (1, 2), which is generally easier to install than the indoor unit (1, 2) of the ceiling-mounted type or the suspended ceiling type. Can be blown out.
- the indoor units (1, 2) of the ceiling-hanging type are installed at the corners of the ceiling (71) and the wall (72), etc., so that the conditioned air is supplied to the front and the rear. It can be configured to be able to blow out in three lateral directions. For this reason, for example, in order to install the indoor unit (1, 2), the indoor unit (1, 2) can be installed even near a wall surface such as a partition having low strength, and the installation possible range can be expanded. Become.
- the inlet (41, 141) for inhaling room air, the front outlet (43, 143) and the side outlet (44, 144) for blowing out conditioned air are Since it can be formed at a predetermined distance, the so-called short circuit of air, in which the conditioned air blown out from the outlets (43, 44, 143, 144) is sucked again through the inlets (41, 141),
- the air conditioner can be reliably air-conditioned indoors.
- the protruding edges (12, 112) of the main body (11, 111) of the casing (10, 110) may be configured such that the front surface and both side surfaces are substantially vertical as in the fifth solution.
- the casing (110) may be constituted by a curved surface protruding outward.
- the casing (10, 110) can be variously designed and processed.
- the protruding edge (112) is formed of a curved surface, the sense of unity with the inclined surface (114) of the bulging portion (113) can be strengthened. The feeling of oppression can be reduced.
- the casing (10) can be formed in a low and high flat shape.
- the indoor unit (1) can be made smaller in a state where the indoor unit (1) is installed on the side wall (72).
- the centrifugal fans (20R, 20L, 120R, 120L) are arranged in parallel in the width direction of the main body (11, 111) of the casing (10, 110).
- the air can be sufficiently sent out to the air outlets (44, 144). Therefore, it is possible to more uniformly air-condition the room.
- the heat exchanger (30) is arranged below the centrifugal fans (20R, 20L). ) Is placed inside the bulge (13). As a result, the body (11) of the casing (10) can be made smaller.
- the air discharged from the centrifugal fans (20R, 20L) can be guided to the air outlets (43, 44) by the air guide member (60). For this reason, conditioned air can be reliably blown toward the front and both sides of the indoor unit (1). As a result, conditioned air can be supplied to the entire room, and the comfort of the occupants can be improved.
- the conditioned air blowing direction is set according to the installation state of the indoor unit (1) and the use of the room (70) in which the indoor unit (1) is installed. So-called zoning can be performed. Specifically, when installing the indoor unit (1) in a horizontally long room (70), set the casing (10) to blow in three directions. When installing in a vertically long room (70), the casing (10) should be set to one-way blowing. Thereby, conditioned air can be supplied to the entire room.
- the side outlet (44) is closed to provide two-way outlet. This makes it possible to meet the above-mentioned requirements.
- the air flow changing means (52) causes the air discharged from the centrifugal fans (20R, 20L) to flow.
- the conditioned air can be blown out uniformly from each of the outlets (43, 44), and the conditioned air can be reliably supplied to the entire room.
- the indoor temperature can be made uniform and the comfort of the occupants can be improved.
- the centrifugal fan (20R, 20L) discharges and closes the side blowout outlet by the airflow changing means (52).
- the air flowing to (44) can be led to the front outlet (43).
- the generated conditioned air can be reliably blown out from each of the outlets (43, 44) that open.
- the bulging portion (113) can be reduced. .
- the air-conditioning component (160) is stored in the void formed inside the bulging portion (113), so that the space in the casing (110) is effectively used. It can be used for
- the air conditioning component (160) is one of a high-performance air filter and a deodorizer. Therefore, it is possible to add a function of deodorizing or eliminating odorous substances and harmful substances in the indoor air without increasing the size of the casing (110) of the indoor unit (2) of the air conditioner. Further, in the seventeenth to twenty-fourth solutions, the arrangement of the air conditioning components in the casing of the first solution is improved, and the casing can be downsized.
- Japanese Patent Publication No. Sho 63-154494 discloses that a centrifugal fan is arranged in a horizontally long rectangular parallelepiped casing so that the rotation axis is vertical.
- a structure is shown in which conditioned air is blown in three directions from outlets formed on the front and both sides of the casing.
- the heat exchangers having a substantially U-shape in plan view are arranged so as to be located on the front side and the side surface of the fan, and the room air is passed through the fan and the heat exchanger in this order to pass the conditioned air. After it is generated, it is blown into the room from the outlet.
- the dead space generated around the fan is reduced in the indoor unit of the air conditioner having the front air outlet and the side air outlet, and the overall size of the equipment is reduced. Is possible.
- the casing (110) is effectively used to form a casing between the back surface (110b) and the fans (120R, 120L). (110) can be reduced in size.
- the refrigerant pipe (162a) and the drain pipe (162b) are arranged at this position, the external pipe can be connected from the side of the casing (110), so that the degree of freedom in installing the indoor unit can be increased. .
- Air conditioning components such as refrigerant pipes (162a) and drain pipes (162b) are not arranged between the front or side face of the casing (110) and the fans (120R, 120L). The reason is that these parts do not obstruct the flow of conditioned air from the outlets (143, 144) on the front and side of the casing (110).
- the back case and one single (110) and (110b) Fan (1 2 0R, 120L) and the lateral heat exchange section of the (132) The gap (Sl) between each fan, the gap (S2) surrounded by each fan (120R, 120L) and the front heat exchange section (131), the casing
- the gap (S3) surrounded by the back (110b) of the fan (110) and each fan (120R, 120L), and the gap (S4) between each fan (120R, 120L) are effectively used.
- the casing (110) can be reduced in size.
- the width of the slit (141a) on the rear side of the casing (110), which makes it difficult for the occupants to see the inside of the indoor unit (2), is increased.
- the inclined surface of the bulging portion (113) is inclined more gradually on the rear side than on the front side of the casing (110). As a result, it is possible to prevent the air suction resistance from increasing even though the occupants see the slits (141a) all having almost the same width.
- the air blown from the centrifugal fan (120R, 120L) flows around the motor (125) of the centrifugal fan (120R, 120L). Therefore, the air conditioner (125) can be cooled using indoor air. This makes it possible to stabilize the operation in the evening (125).
- the position of the component (151) of the side air outlet (144) can be adjusted in advance on the side plate (llOe) of the casing (110).
- the side plate (llOe) can be easily assembled to other casing components (110a, 110b, 110c, llOd).
- the installation structure of the indoor unit of the first solution is improved.
- an air conditioner configured as a wall-hanging type as described in Japanese Patent Publication No. 59-259927 was generally installed with a hook at the top. The board is fixed to the side wall of the room, and the air conditioner is hooked and fixed to the hook of the installation board.
- an air conditioner configured to be suspended from the ceiling is generally configured to be fixed to suspension bolts embedded in the ceiling. ing.
- a plurality of nuts screwed into the suspension bolts are tightened from above and below the casing while mounting holes provided in the casing of the air conditioner are passed through the suspension bolts. This fixes the casing to the ceiling.
- the wall-mounted air conditioner when the depth from the front to the back of the casing becomes long, there is a problem in strength with the structure in which only the rear of the casing is fixed using the above-mentioned mounting plate.
- the installation strength of the installation structure of the wall-mounted air conditioner is increased, and the installation structure that can be applied to the ceiling-mounted air conditioner is provided. Improve the sex.
- the lower rear portion (110f) of the indoor unit (2) is engaged with the front portion (110g) of the indoor unit (2) so that the indoor unit (2) is attached to the room. I have.
- the indoor unit (2) can be easily mounted, and even if the indoor unit (2) is a long type, the installation can be firmly performed.
- the indoor unit (2) having a long depth can be held in a horizontal position by adjusting that the indoor unit (2) which is long in the installed state is likely to be in a forwardly lowered posture.
- the inclination of the indoor unit (2) can be adjusted according to the inclination.
- the indoor unit ( 2 ) is temporarily fixed to the fixture (170) after the vertical plate member (171) of the fixture (170) is fixed to the side wall (72) of the room. After that, the indoor unit (2) is further fixed to the horizontal plate member (172). Therefore, the mounting can be further strengthened.
- the indoor unit (2) when the fixture (170) is attached to the suspension bolt ( 95 ) of the ceiling (71), the indoor unit (2) is temporarily fixed to the fixture (170) thereafter. It can be fixed afterwards. In this way, the installation tool (170) can be applied to the indoor unit (2) of the ceiling hanging type, and when the nut is fastened to the suspension bolt (95), the indoor unit (2) can be used. Since no people are required to support the installation, the installation workability is excellent.
- the indoor unit (2) can be installed on either the side wall (72) or the ceiling (71) of the room, which has the advantage of increasing the degree of freedom in installation.
- the indoor unit (2) can be attached to the fixture (170) simply by lifting the, so installation can be performed easily.
- FIG. 1 is a perspective view of an indoor unit of the air-conditioning apparatus according to Embodiment 1.
- FIG. 2 is a schematic cross-sectional side view showing the indoor unit according to the first embodiment.
- FIG. 3 is a schematic sectional plan view showing the indoor unit according to the first embodiment.
- FIG. 4 is an explanatory diagram showing a conditioned air blowing direction when the indoor unit according to the first embodiment is set to a three-way blowing.
- FIG. 5 is a schematic sectional plan view showing a case where the indoor unit according to Embodiment 1 is set to blow in two directions.
- FIG. 6 is an explanatory diagram showing the blowout direction of the conditioned air when the indoor unit according to the first embodiment is set to the two-way blowout.
- FIG. 7 is a schematic sectional plan view showing a case where the indoor unit according to Embodiment 1 is set to one-way blowing.
- FIG. 8 is an explanatory diagram showing a conditioned air blowing direction when the indoor unit according to the first embodiment is set to one-way blowing.
- FIG. 9 is an exploded perspective view of the indoor unit of the air-conditioning apparatus according to Embodiment 2.
- FIG. 10 is a schematic cross-sectional side view showing the indoor unit according to the second embodiment.
- FIG. 11 is a plan view showing the arrangement of internal devices in the indoor unit according to the second embodiment.
- FIG. 12 is a front layout view showing the arrangement of internal devices in the indoor unit according to the second embodiment. It is.
- FIG. 13 is a side view showing the arrangement of internal devices in the indoor unit according to the second embodiment.
- FIG. 14 is an enlarged cross-sectional view of the suction grille in the indoor unit according to Embodiment 2.
- FIG. 15 is an exploded perspective view showing the installation structure of the indoor unit according to the second embodiment.
- FIG. 16 is a cross-sectional side view showing a state where the indoor unit according to Embodiment 2 is attached to a side wall of a room.
- FIG. 17 is a cross-sectional side view showing a vertical plate member of an installation tool used for the installation structure of an indoor unit according to Embodiment 2.
- FIG. 18 is a partially enlarged view of a state where the indoor unit according to Embodiment 2 is attached to a fixture.
- FIG. 19 is a partially enlarged view showing a state where the indoor unit is attached to the fixture.
- FIG. 20 is a cross-sectional side view showing a state where the indoor unit according to Embodiment 2 is mounted on a ceiling of a room.
- Embodiment 1 of the present invention is shown in FIGS.
- the indoor unit (1) of the air conditioner of Embodiment 1 is installed at a corner formed by a ceiling (71) and a side wall (72) of a room (70).
- the indoor unit (1) is configured as a wall-mounted type, and although not shown, a casing (10) is mounted and fixed to the side wall (72) via a mounting bracket (wall-mounted means).
- the casing (10) is composed of a main body (11) formed in a flat horizontally-long rectangular parallelepiped shape, and a bulging portion (13) bulging downward from a bottom surface of the main body (11).
- the main body (11) of the casing (10) is located along the ceiling (71) of the room (70) in the installed state, and has a small vertical thickness so that the amount of protrusion from the ceiling (71) is small. To Is formed.
- the bulging portion (I 3 ) of the casing (10) projects gradually downward from the front to the rear on the bottom surface (12) of the main body (11). It is configured to That is, in the installed condition, the evagination portion (D) is configured in a shape that protrudes gradually toward the side wall (full 2) of the room (70).
- the front surface of the bulging portion (13) is formed as an inclined surface (14) which is gently inclined downward from the front side continuous to the main body (11) toward the rear surface.
- Rear (13) is formed in the room (off 0) of the side wall perpendicular rising surface along the (full 2) (17) continuous with the rear surface of the main body (11). Further, both side surfaces of the bulging portion (13) are formed as vertical surfaces, and are continuous with the side portions on the lower surface of the main body (11).
- the front side of the inclined surface (14) in the bulging portion (B) is located slightly behind the front end of the main body (11). Also, both sides of the bulging portion (13) are located slightly inside the both ends of the main body (11). The front and both sides of the main body (11) have bulging portions.
- a protruding edge (12) is formed to protrude from (13).
- the front and side surfaces of the protruding edge are constituted by substantially vertical surfaces.
- the casing (10) is provided with a suction port (41) for sucking room air into the casing (10) and an outlet (43, 44) for blowing conditioned air into the room.
- the suction port (41) is formed on the inclined surface (14) of the bulging portion (13) of the casing (10).
- the outlets ( 43 , 44) are formed from the front surface to both side surfaces of the main body (11) of the casing (10). And, of the outlets (43, 44), the portion opening to the front of the main body (11) is located at the front outlet ( ⁇ ), and the portions opening to both side surfaces of the main body (11) are located at the left and right sides.
- Each outlet (44) is configured. Further, as described above, since the main body (11) of the casing (10) is formed with the protruding edge (12), the suction port (41) and the outlet port are formed.
- (43, 44) means that they are located at a predetermined distance from each other.
- the side outlets (43, 44) are configured such that a closing lid (16) can be attached thereto and can be closed freely.
- the casing (10) has a three-way outlet with the front outlet (43) and both outlets (44) open, and one side.
- the two-way outlet with the side outlet (44) closed and the other side outlet (44) and front outlet (43) open, and the two-side outlet (44) closed and the front outlet (44) closed 43) is configured so that it can be set to open in one direction and open.
- a flow port (18) is opened at the bottom of the main body (11), and an air passage (45) is formed from the suction port (41) to each of the outlets (43, 44). Have been. Then, as shown in FIG. 2, a heat exchanger (30) and two fans (20R, 20L) are arranged in the air passage (45).
- the heat exchanger (30) is provided inside the bulging portion (13) of the casing (10).
- the heat exchanger (30) is provided at a front portion of the bulging portion (13) and provided in a forwardly inclined posture, and at a rear portion of the bulging portion (13).
- a rear heat exchange part (32) provided in an inclined posture, and is formed in a V-shape in side view.
- the front and rear heat exchangers (31, 32) are configured as a so-called cross-fin heat exchanger. That is, each of the heat exchange sections (31, 32) is composed of a number of plate-like fins provided in parallel with each other and heat transfer tubes provided through the fins.
- Each fan (20R, 20L) has a blade (23) held between the shroud (21) and the hub (22).
- Each of the above fans (20R, 20L) is a so-called radial fan, which is a type of centrifugal fan.
- a drive shaft (26) of a fan motor (25) extending in a vertical direction (up and down direction) is inserted and fixed to a hub (22) of the fan (20R, 20L).
- a suction port 4) located at the flow port (18) of the main body (11) of the casing (10) is opened.
- the fan (20R, 20L) is driven to rotate by a fan (25), sucks air from the suction port (24), and discharges air to the side of the fan (20R, 20L). It is configured.
- each fan (20R, 20L) attaches a fan motor (25) to the top plate (15) of the body (11) of the casing (10) from the lower side of the top plate (15). Have been. Below the fan (20R, 20L), on the bottom surface of the main body (11), a bell mouth () for guiding the room air flowing into the air passage (45) from the suction port (41) to the fan (20R, 20L). 27) It is formed at the edge of the distribution port (18).
- the respective fans (20R, 20L) are arranged in parallel within the main body (11) of the casing (10) at a predetermined interval in the width direction of the main body (11). It is provided in. That is, the casing (10) is provided with a right fan (20R) located on the right as viewed from the front of the casing (10) and a left fan (20L) located on the left. Further, both fans are configured to rotate in a direction indicated by a solid arrow in FIG. That is, when viewed from above the casing (10), the right fan (20R) rotates counterclockwise, and the left fan (20L) rotates clockwise.
- the main body (11) of the casing (10) is provided with a wind guide member (60) having a predetermined shape. Then, the air guide member ( 60 ) connects the air passage (45) inside the main body (11) of the casing (10) with the right air passage (R) located on the right side when viewed from the front of the casing (10). 45R) and a left air passage (45L) located on the left side.
- the right air passage (45R) is provided with a right fan (20R) and communicates with the right half of the front air outlet (43) and the right side air outlet (44). ) Is configured such that the left fan (20L) is arranged and communicates with the left half of the front outlet (43) and the left side outlet (44).
- the wind guide member (60) has a pair of first guide surfaces (61) corresponding to the right and left fans (20R, 20L), and a second guide surface continuous with each first guide surface (61). (62) are formed.
- the first guide surface (61) extends from the center of the front surface of the body (11) of the casing (10) to the side of the body (11) through the rear surface of each fan (20R, 20L). , Formed along the side of each fan (20R, 20L).
- the first guide surface (61) and the first guide surface (61) and the fan (20R, 20R, 20R, 20R) extend along the rotation direction of each fan (20R, 20L) when viewed from above the casing (10). 20L) is formed in a scroll shape that gradually increases the distance from the side surface.
- the first guide surface (61) is configured to guide the air flowing from each fan (20R, 20L) toward the rear side of the casing (10) to the front outlet (43).
- the second guide surface (62) is formed from one end of the first guide surface (61) located on the side of the main body (11) of the casing (10) to a side surface of the main body (11). ing.
- the second guide surface (62) has a concave surface and a convex surface of a predetermined shape, and the air flowing out from each fan (20R, 20L) toward the side rear side of the casing (10) is supplied to each side. It is configured to guide to the outlet (44).
- the casing (10) is provided with horizontal flaps (51) at the front and side outlets (43, 44), respectively.
- the horizontal flap (51) is configured to be rotatable around a horizontal axis, and is configured to change the blowing direction of the conditioned air blown out from the blowout ports (43, 44).
- a pair of rectifying flaps (52) are provided inside the main body (11) of the casing (10), located on both sides on the front side.
- the straightening flap (52) is configured to be rotatable around a vertical axis.
- the rectifying flap (52) blows the air discharged from each fan (20R, 20L) to the front air outlet (43) and the air outlets on both sides. (44), and when setting two-way or one-way blowout, the air discharged from the fan (20R, 20L) and flowing to the closed side blowout (44) is forward blown out ( 43) It constitutes the air flow changing means that leads to (4).
- the straightening flap (52) is formed in a cam shape having a substantially triangular shape in a plan view, and has an inner guide surface (53) formed in a slightly concave curved surface and an outer guide surface (54) formed in a slightly convex curved surface. ) And a substantially flat bottom guide surface (55).
- the straightening flap (52) is bin-supported at the corner between the inner guide surface (53) and the bottom guide surface (55), and is provided with the inner guide surface (53) and the outer guide surface (54).
- the vertices (56) where are continuous are rotated inward and outward.
- each fan (20R, 20L) air discharged from the lateral outlet (44
- the air discharged from each fan (20R, 20L) is guided to the front outlet (43) as shown by the arrow (Y) in FIG. I have.
- the refrigerant of the refrigeration circuit flows through the heat exchanger (30).
- the refrigerant exchanges heat with the indoor air and evaporates in the heat exchanger (30), and cools the indoor air to generate low-temperature conditioned air.
- the refrigerant exchanges heat with the indoor air and condenses, and heats the indoor air to generate high-temperature conditioned air.
- the conditioned air generated in the heat exchanger (30) flows through the air passage (45), passes through the bell mouth (27), and flows into the fans (20R, 20L). ⁇ sum air passes through the interior of the fan (20R, 20L) the fan from the suction port 4) (2 0R, 20L), then flows out to the side of the fan (2 0R, 20L).
- the casing (10) is set to one of three-way blowing, two-way blowing, and one-way blowing.
- the conditioned air discharged from the fans (20R, 20L) flows through the outlets (43, 44) that are open in each of the above-mentioned states, and blows out into the room.
- the conditioned air discharged from the fan (20R, 20L) toward the rear of the casing (10) flows along the guide surface (61) of the air guide member (60) and flows out of the front outlet ( 43).
- the suction port (41) and each of the air outlets (43, 44) are at a predetermined distance from each other, a so-called short circuit of air does not occur.
- the conditioned air blown out from each outlet (43, 44) does not flow directly into the inlet (41).
- the flow of the conditioned air in each of the above states will be described.
- the front outlet (43) and both side outlets (44) are in an open state. Also, the two commutation flaps (52) are set so that the left and right commutation flaps (52) are located outside the apex (56). Set.
- the conditioned air discharged from each fan (20R, 20L) blows into the room from the front outlet (43) and the side outlet (44).
- the conditioned air blows obliquely forward along the inner guide surface (53) of each straightening flap (52) and also blows laterally from the bottom guide surface (55) by the outer guide surface (54).
- the conditioned air blows out from the front outlet (43) and the side outlet (44) at a substantially uniform wind speed.
- the conditioned air is blown out in three directions in front and on both sides of the casing (10). Therefore, even when the indoor unit (1) is installed in a horizontally long room (70), conditioned air is supplied to the entire room.
- a side cover (44) located on the left side when viewed from the front of the casing (10) has a closing lid. (16) Install. As a result, the left side outlet (44) is closed, and the front outlet (43) and the right side outlet (44) are open.
- the rectification flap (52) is set so that the vertex (56) of the rectification flap (52) located on the right side is located outside, and the vertex (56) of the rectification flap (52) located on the left side is located inside.
- the rectifying flap (52) is set to be positioned.
- the conditioned air discharged from the right fan (20R) is diverted by the right rectifying flap (52) in the same manner as in the above three-way blowing, and is diverted to the front outlet (43) and the right side.
- the air blows from the air outlet (44) at a substantially uniform wind speed.
- the conditioned air discharged from the left fan (20L) is guided to the front air outlet (43) by the closing lid (16) and the outer guide surface ( 5 ) of the left rectifying flap (52). Blows out from the outlet (43) into the room.
- conditioned air is supplied only to a specific space in the indoor space.
- the room (70) in which the indoor unit (1) is installed it may be desirable to blow conditioned air only in a specific direction in the room.
- casing By setting (10) to two-way blowing, it is possible to meet the above-mentioned requirements.
- the side air outlet (44) located on the left side when viewed from the front of the casing (10) is closed.
- the right side outlet (44) may be closed, and conditioned air may be blown out from the front outlet (43) and the left side outlet (44).
- a closing lid (1) is attached to both side blowout ports ( 44 ) as shown in Fig. 7. Thereby, both side blowout ports are provided. (44) is closed, the front outlet (43) is opened, and both rectifying flaps (52) are placed in such a state that the vertices (56) of the left and right rectifying flaps (52) are located inside. Set.
- the generated conditioned air is blown only toward the front of the casing (10). Therefore, even when the indoor unit (1) is installed in the vertically long room (70), the conditioned air reaches the space distant from the indoor unit (1), and the conditioned air is supplied to the entire room.
- the indoor unit (1) can be formed in a vertically flat shape.
- the bulging portion (13) is formed so as to gradually protrude downward from the front end to the rear end, so that the overall thickness of the casing (10) is formed thinner at the front end side than at the rear end side. ing.
- the indoor unit (1) can be made to look small with the indoor unit (1) installed on the side wall (72).
- the conditioned air blowing direction can be set according to the installation state of the indoor unit (1) and the use of the room (70) in which the indoor unit (1) is installed. That is, as described above, the casing (10) can be set to three-way blowout or one-way blowout according to the shape of the room (70) in which the indoor unit (1) is installed.
- the conditioned air can be supplied to the entire room, and the room can be uniformly cooled or heated. As a result, the room temperature is made uniform, and the comfort of the occupants can be improved.
- each fan (20R, 20L) can be guided to the front outlet (43) by the air guide member (60).
- the rectifying flap (52) allows the conditioned air to be opened in each state (43, 44). Can lead to As a result, the generated conditioned air can be reliably blown out from the outlets (43, 44) that open, and the air conditioning in the room can be reliably performed.
- a suction port (41) for sucking room air and a blowout port (43, 44) for blowing conditioned air are formed at a predetermined distance.
- the casing (110) of the indoor unit (2) is formed so as to protrude downward from the main body (111) and a main body (111) formed in a flat and substantially rectangular parallelepiped shape. And a bulging portion (113).
- the indoor unit (2) of the present embodiment has a more rounded shape than the casing (10) of the first embodiment.
- the front edge and both side edges of the main body (111) of the casing (110) protrude outwardly from the casing (110) beyond the front end and both side edges of the bulging portion (113).
- the protruding edge (112) is formed by combining curved surfaces. Therefore, the impression that the protruding edge (112) protrudes outward from the casing (110) from the front end and both side ends of the bulging portion (113) is made smaller than in the first embodiment. I have.
- the bulging portion (113) bulges downward from inside the front edge and both side edges of the main body (111), as in the first embodiment.
- the front surface and the lower surface of the bulging portion (113) are inclined downward from the front to the rear of the casing (110), and the inclination is gradually reduced toward the rear (114). ) Is formed.
- the protruding edge (112) is formed by a curved surface, the connection between the protruding edge (112) and the bulging portion (113) is smoother than in the first embodiment, The design does not emphasize the thickness of the front side of the casing (110).
- a suction port (141) for sucking room air from below is formed on the inclined surface (114) of the bulging portion (II 3 ).
- the inlet (141) is provided with an inlet grill (142).
- a plurality of slits (141a) extending in the left-right direction of the casing (110) are arranged in the suction grill (142) in parallel in the front-rear direction.
- Each slit (141a) is formed to be wider on the rear side than on the front side of the casing (110).
- each slit (141a) becomes wider in the relationship of P1 ⁇ P2 ⁇ P3 ⁇ P4 ⁇ P5 ⁇ P6, and the slit (141a) Wide Has become.
- Two slits (141a) of the pitch PI, six slits (141a) of the pitches P2 to P5, and five slits (Wla) of the pitch P6 are formed.
- a front outlet (143) for blowing conditioned air forward of the casing (110) is formed on the front surface of the body (111) of the casing (110), and each side face of the body (111) is formed.
- a side outlet (144) for blowing conditioned air to the side of the casing (110) is formed in the casing.
- the casing (110) is composed of a top plate (110a), a back plate (110b), a front plate (110c, 110d), and left and right side plates (110e) as shown in an exploded perspective view of FIG. ing.
- the top plate (110a), the back plate (110b) and the front plate (110c, 110d) are fixed to each other and are integral members, and the side plate (110e) is the top plate (110a), the back plate (110b) and It is configured to be removable from the front plates (110c, 110d).
- a horizontal flap (l) is arranged at a front outlet (143) formed between the front plates (110c, 110d).
- the horizontal flap ( ⁇ ) is held by a stay (la) so that the blowing angle of the front outlet (143) can be adjusted.
- the stay (151a) is provided with a swing unit (151b) for changing the angle of the horizontal flap (151).
- the side plate (110e) has an angle of the horizontal flap (151) and the angle of the horizontal flap (151) so that the blowing direction of the conditioned air can be manually adjusted at the side air outlet (144).
- An adjustment mechanism (not shown) is installed.
- centrifugal fans (120R, 120L) are provided.
- the centrifugal fans (120R, 120L) are arranged inside the main body (111) of the casing (110) in parallel with the width direction of the main body (111) of the casing (110) with the rotation axis as the vertical direction. Are located.
- Centrifugal fan (120R, 120L) Is an evening fan, and above it is a fan (125), which is the drive source for the centrifugal fans (120R, 120L).
- Centrifugal fan (120R, 120L) on the lower side of the indoor air inlet (W1) centrifugal fan from (1 2 0R, 120L) bell mouth that guides the (1 2 7) is arranged.
- the two centrifugal fans (120R, 120L) are configured to rotate clockwise when viewed from a plane.
- a partition plate (164) is provided between the two centrifugal fans (120R, 120L) to prevent the discharge air from the two fans (120R, 120L) from interfering with each other (see FIGS. 11 and 12). See Figure 12).
- the centrifugal fan (UOR, 120L) is spaced apart from the inner surface of the top plate (110a) by a predetermined distance so that air flows between the inner surface of the top plate (110a) of the casing (110). Are located. Then, the motor (125) of the centrifugal fan (120R, 120L) is placed between the centrifugal fan (UOR, 120L) and the top plate (110a) of the casing (110), and the centrifugal fan (120R, 120L) ) Is used to cool the motor (125).
- the heat exchanger (130) is housed inside the main body (111) of the casing (110).
- the heat exchanger (130) is located on the front side inside the body (111) of the casing (110), and on the side face inside the body (111) of the casing (110).
- a side heat exchanging portion (132) The indoor air blown out from the fan (125) exchanges heat with the refrigerant in the heat exchanger (130), becomes conditioned air, and is blown out from the outlets (143, 144) into the room.
- the heat exchanger (130) is formed in a substantially U-shape in plan view by integrating the front heat exchange section (131) and the side heat exchange section (132).
- the front heat exchanging section (131) and the side heat exchanging section (132) may be separately provided and arranged separately.
- Each of the fans (120R, 120L) is surrounded by a front heat exchange part (131) and a side heat exchange part (132) of the heat exchanger (130), and a back surface (110b) of the casing (110). Are arranged in parallel on the same space.
- a heat insulating material (135) which is formed in a substantially U-shape in plan view like the heat exchanger (130) is arranged.
- a drain pan (136) which is also formed in a substantially U-shape in plan view from a heat insulating material.
- the heat insulating material (135) and the drain pan (136) are made of, for example, styrene foam.
- FIGS. 11 to 13 are arrangement diagrams showing the positional relationship of each device in the casing (110), and only the casing (110) and the external shape of each device are simplified.
- the heat exchanger (130) is arranged inside the main body (111) of the casing (110), the inside of the bulge (113) of the casing (110) is a void. become. Therefore, in the present embodiment, the space is used as a storage space for the optional air conditioning component (160).
- the gap is configured to accommodate either one of a high-performance air filter and a deodorizer.
- the so-called HEPA filter and electrostatic filter are used for the high-performance air filter, and the light deodorizing unit that deodorizes odorous substances using a photocatalyst is applied to the deodorizer.
- a switch box (Ml) is arranged in the gap (S4) between the left and right centrifugal fans (120R, 120L). Note that a drain pump may be provided instead of the switch box (101). Further, a piping space (162) is provided along the back plate between the centrifugal fans (120R, 120L) and the back plate (110b) of the casing (110). This piping space (I) has a refrigerant pipe (162a) and a drain pipe along the back plate (110b).
- FIG. 9 shows the cover of the pipe.
- the casing (110) of the indoor unit () is configured to be attached to the ceiling (71) or the side wall (72) of the room (70) via the fixture (# 70).
- the fixture (170) is configured so that the indoor unit (2) can be fixed to either the ceiling (71) or the side wall (72). That is, when the indoor unit (2) is fixed to the side wall (72), the mounting tool (170) constitutes a wall hanging means for attaching the casing (110) to the side wall (72).
- the indoor unit (2) is fixed to the ceiling (71)
- a suspension means for attaching (110) to the ceiling (71) is constructed.
- the mounting fixture (170) specifically includes a vertical plate member (171) along the back plate (110b) of the casing (110), and a horizontal plate member (172) extending forward from the vertical plate member (171). Are integrally formed. Horizontal plate member (17 2), along the top plate of the casing (110) (110a)
- the mounting member (170) is formed into an L shape in a side view from the vertical plate member (171) and the horizontal plate member (172).
- the horizontal plate member (172) is composed of two arms having an L-shaped cross section separated on both left and right sides of the casing (110).
- mounting holes (HI, H2) for the passage of bolts for mounting is formed I have.
- the mounting hole (HI) of the fixture (170) is formed by a long hole.
- the mounting holes (H2) of the casing (110) are formed by long holes, and the mounting holes (H2) on the back side are formed by slits. For this reason, the casing (110) can adjust the position in the front-back direction with respect to the fixture (170).
- a mounting hole (H3) for fixing the mounting tool (170) to the side wall (72) with a bolt or the like is formed in the vertical plate member (171) of the mounting tool (170). As shown in FIG. 17, a large number of mounting holes (H3) are provided in the vertical plate member (11) so that the mounting fixture (170) can be fixed to a wall at any position.
- the installation tool (170) is provided with an engagement mechanism that engages with the casing (110) of the indoor unit.
- the engagement mechanism includes a first hook (173) and a second hook (174). It said first hook (1 off 3) is formed in the casing back plate of (110) the lower part of the (110b) the vertical plate member (.pi.1) to engage with (110f).
- the second hook (174) is formed on the arm (172) so as to engage with the side edge (110g) of the top plate (110a) of the casing (110).
- the second hook (174) is engaged with a side edge (110g) of the top plate (110a), which is a portion in front of the lower portion (110f) of the back plate (110b).
- the first hook (173) constitutes a first stopper
- the second hook (174) constitutes a second stopper.
- the first hook (17 3) is provided at the lower end of the longitudinal plate member (171)
- the second hook (174) is provided on the end portions of the left and right arms (1 off 2).
- the second hook (174) is formed of an elastic material.
- the second hook (1 off 4) the top plate of Ke one single (110) of the indoor unit) and (a base configured to be positioned on the left and right along the 110a) (174a), the base portion (174a ) And a front end locking portion (174b) bent inward from the lower end at an acute angle.
- the indoor unit (2) has a first engagement portion that engages with the first hook (173), and a second hook (174) and a second engaging portion to be engaged with the second engaging portion.
- the first engagement portion is constituted by a background of Ke one thin grayed (110) the lower part of (110b) (LlOf), that match engages the first hook (1 off 3).
- the second engaging portion is constituted by a side edge (110g) of the top plate (110a) of the casing (110), and is engaged with the distal end locking portion (174b) of the second hook (174).
- the indoor unit () is attached to the side wall (72) of the room (70) by the fixture (170) as follows.
- the arm (I 72) formed in a mounting hole of the mounting member (Pai0) (H2) through bolts for mounting the indoor unit (2) to (90) from top to bottom.
- the bolt (90) to secure the bolt (90) to the arm (17 2) of the Summer bets (9 1) with mounting tool (1 off 0) (Fig. 1 8).
- the fixture (170) is fixed to the wall by passing nails or bolts through mounting holes (H3) formed in the vertical plate member (171).
- the lower part (llOf) of the back plate (110b) of the casing (110) is hung on the first hook (173) of the fixture (170).
- the front portion of the indoor unit (2) is lifted up with the engaging portion as a fulcrum, and the side edge of the top plate (110a) is hooked on the second hook (174).
- the side edge (110g) of the top plate (110a) is pushed above the front end locking portion (174b) while pushing the front end locking portion (174b) of the second hook (174) outward. to come moved and engages with the second hook (1 off 4) (Fig. 1 9).
- FIG. 18 shows a state in which the indoor unit (2) is locked by the double nut (92). After the indoor unit (2) is fixed to the fixture (170) as described above, the side plate (110e) is attached to the casing (110), thereby completing the installation of the indoor unit (2).
- the indoor unit (2) when the indoor unit (2) is temporarily fixed to the fixture (170), The indoor unit with respect to the fixture (170) should have a slight gap of about 5 mm between the arm (1f2) of the fixture (170) and the top plate (110a) of the casing (110). ) The engagement position of is defined. This gap is provided to adjust the position of the indoor unit (2).
- the indoor unit (2) since the depth of the indoor unit (2) is greater than the height, the indoor unit (2) is likely to be lowered forward when installed. This forward fall can be prevented by changing the tightening method of the bolts (90) and nuts (91, 92) before and after the casing (110). In other words, if it is lowered forward, the indoor unit (2) is kept horizontal by tightening the front side while leaving a gap behind.
- FIG. 20 shows a state in which the indoor unit (2) is fixed to the ceiling (71) of the room using the fixture (170).
- Ceiling In this case, the mounting holes of the arm (17 2) of the top plate of Ke one single (110) mounting holes (110a) (H 2) and ⁇ with tool (Pai0) (HI) is to fix the indoor unit) It is formed at a position corresponding to the suspension bolt (95).
- the mounting fixture (no) is sandwiched from above and below by a nut (96) screwed to the suspension bolt (95) of the ceiling (71), so that the mounting fixture (170) is connected to the suspension bolt (95). ).
- the fixture (170) is the same as fixing to the side wall (72). That is, since over the lower portion of the back plate of Ke one single (110) (110b) and (110f) to the first Fudzuku (17 3), lift the front end portion of the indoor unit (2) to that part as a fulcrum To temporarily fix the indoor unit (2) to the fixture (170).
- the nut (97) is tightened to the suspension bolt (95) projecting downward from the top plate (110a), and the side plate (110e) is attached to the casing (110) to complete the installation.
- the outer surface of the protruding edge (112) is formed in a curved shape, and the thickness of the front side of the casing (110) is not emphasized.
- the feeling of pressure on the occupants can be made smaller than in the first embodiment.
- the U-shaped heat exchanger (130) is connected to the body (111) of the casing (110).
- the air conditioner (160) such as a high-performance air filter and deodorizer can be placed in the bulge (113) of the casing (110). Therefore, the space in the casing (110) can be used without waste. Therefore, it is possible to reduce the size of the casing (110), thereby reducing the feeling of pressure on the occupants.
- centrifugal fans 120R, 120L
- a switch box (161) and a drain pump are arranged in the space between them.
- the centrifugal fan (120R, 120L) Since the refrigerant pipe (162a) and the drain pipe (162b) pass between the back plate (110b) of the casing (110) and the centrifugal fan (120R, 120L), the centrifugal fan (120R, 120L) The space on the back side of the vehicle can also be used effectively. In this respect, the case (110) can be downsized. Further, if the refrigerant pipe (162a) and the drain pipe (162b) are arranged at this position, the external pipe can be connected from the side of the casing (110), so that the indoor unit (2) can be freely installed. Can be increased.
- the indoor unit (2) is of being placed at the corner of the wall (7 2) ceiling (71), occupants, the indoor unit (2), usually an arrow in FIG. 1 4 You will see from A direction.
- the slit (141a) forming the suction port (141) is formed on a gentle slope (114) on the rear side and is wider on the rear side.
- the lit (141a) can be made to appear to be all about the same width.
- the width of the slit (141a) on the rear side is actually wide, it is possible to prevent the air suction resistance into the casing (110) from increasing.
- the fan motor (125) is cooled by the air discharged from the fan (120R, 120L), the reliability of the fan (120R, 120L) can be improved.
- the side plate (110e) of the casing (110) is configured to be detachable from the top plate (110a), the front plate (110c, 110d), and the back plate (110b), and the side plate (110e) is laterally attached to the side plate (110e).
- the components of the outlet (144) horizontal flap (151) and swing mechanism) are provided. This side blowing If the components of the mouth (144) are provided on the side of the top plate (110a), the front plate (110c, 110d), and the back plate (110b), the top plate (110a), the front plate (110c, 110d)
- the components of the side outlet (144) may be damaged.
- the components of the side outlet (144) can be adjusted in advance on the side plate (110e), the assembly work of the casing (110) is facilitated.
- the indoor unit (2) can be attached to either the ceiling (71) or the wall (72).
- the indoor unit (2) can be suspended from the ceiling, the indoor unit (2) can be installed near a wall such as a partition with low strength, even at a corner between the outer wall and the room.
- the indoor unit (2) can be installed. As a result, the installation range of the indoor unit (2) can be expanded.
- the indoor unit () When the indoor unit () is fixed to the side wall ( 72 ) of the room, the upper surface (110 a) of the casing (110) can be fixed to the fixture (170). As a result, sufficient installation strength can be obtained even for indoor units having a large depth.
- the indoor unit (2) can be temporarily fixed to the fixture (170) and then fixed.
- the person who supports the indoor unit (2) which was required in the past, becomes unnecessary, and the installation can be performed by one person. That is, the workability can be improved.
- a switch box (161) is disposed as a component for air conditioning in a gap (S4) between the fans (120R, 120L).
- This air conditioning component Ke one back of the single (110) (110b) and the fan (1 2 0R, 120L) and it may also be arranged on the side heat exchange unit (I 32) and de surrounded by air gap (S1) Les. In this arrangement, the number of fans (120R, 120L) may be one.
- the air conditioning component may be arranged in a gap (S2) surrounded by each fan (120R, 120L) and the front heat exchange section (131). Further, the air conditioning component may be arranged in a gap (S3) between the rear surface (110b) of the casing (110) and each of the fans (120R, 120L).
- the air conditioning components that can be placed between the fans (120R, 120L) and the back of the casing (110) and between the two fans (120R, 120L) are the switch box (161), drain pump, and refrigerant. It is not limited to piping (162a) and drain piping (162b). That is, any air conditioning component may be appropriately selected and placed in the gap (S1).
- the fans (120R, 120L) are arranged in the casing (110) of the indoor unit (2) having the front outlet (143) and the side outlet (144) as in the second embodiment.
- the corners of the casing (110) tend to be dead spaces regardless of the number of fans (120R, 120L) used. Therefore, if the air conditioning components are arranged at the corners, the space can be used more effectively, and the casing (110) can be further reduced in size.
- the fixture (170) is configured so as to serve as both a wall hanging means and a hanging means.
- the wall hanging means and the hanging means may be separate parts.
- the casing (110) When suspending the indoor unit (2) from the ceiling (71), the casing (110) may be directly fixed to suspension bolts (suspension means).
- the second embodiment is configured such that the lower portion (110f) (first engagement portion) of the back plate (110b) of the casing (110) is hooked on the first hook (173).
- a hole may be formed in the lower part of the back plate (110b) of the casing (110), and this hole may be hooked on the first hook (173).
- the side edge (llOg) of the top plate (110a) of the casing (110) is hung on the second hook (174).
- the hook hooked on the second hook (174) is not limited to the top plate (110a) of the casing (110), but may be a lower portion. In short, it is only necessary that a portion of the casing (110) forward of the first engagement portion (110f) be hooked on the second hook (174).
- the horizontal plate member (172) is separated into right and left, and each is formed as an arm having an L-shaped cross section.
- the shape and the like of the horizontal plate member (172) may be determined according to the shape of the casing (110), and need not be separated into right and left.
- fixture (170) it is possible to use the fixture (170) exclusively for wall mounting, in which case fixing means other than bolts (90) can be used.
- the fixing device (# 70) may be fixed to the side wall (71) of the room (F0) by using not a bolt but an appropriate fixing means.
- the second embodiment includes a second hook, which is the first hook (173) and the second stop hand stage is first stop means (1 off 4) (I 74), the indoor unit) the installation tool ( It is used as a mechanism for temporarily fixing to 1) 0).
- a second hook which is the first hook (173) and the second stop hand stage is first stop means (1 off 4) (I 74), the indoor unit) the installation tool ( It is used as a mechanism for temporarily fixing to 1) 0).
- two fans (20R, 20L, 120R, 120L) are provided.
- the number of fans according to the present invention may be one or three or more depending on the air conditioning capacity of the indoor unit (1, 2).
- the fan is not limited to the centrifugal fan, and another type of fan may be used.
- the casing (10, 110) is composed of the main body (11, 111) and the bulging portion (13, 113), and the front edge and the side edge of the main body (11, 111) are provided. A part is formed on the protruding edge (12, 112). However, the protruding edges (12, 112) need not always be provided.
- the indoor unit of the air conditioner of the present invention is useful as an air conditioner that cools or heats a room, and is particularly suitable for use as an indoor unit such as a wall.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU26408/99A AU726558B2 (en) | 1998-02-27 | 1999-02-26 | Indoor unit for air conditioner and its mounting mechanism |
| EP99906498A EP0985890A4 (en) | 1998-02-27 | 1999-02-26 | INTERIOR UNIT OF AN AIR CONDITIONING AND DEVICE FOR ITS INSTALLATION |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4733598 | 1998-02-27 | ||
| JP10/47335 | 1998-02-27 | ||
| JP10341871A JP3045159B2 (ja) | 1998-02-27 | 1998-12-01 | 空気調和装置の室内機及び該室内機の据付構造 |
| JP10/341871 | 1998-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999043989A1 true WO1999043989A1 (en) | 1999-09-02 |
Family
ID=26387503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/000914 Ceased WO1999043989A1 (en) | 1998-02-27 | 1999-02-26 | Indoor unit for air-conditioners and structure for installing the same |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0985890A4 (ja) |
| JP (1) | JP3045159B2 (ja) |
| CN (1) | CN1173132C (ja) |
| AU (1) | AU726558B2 (ja) |
| WO (1) | WO1999043989A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1052460A4 (en) * | 1998-12-01 | 2002-05-29 | Daikin Ind Ltd | ACCESSORY FOR THE INSTALLATION OF AN AIR CONDITIONER AND ASSOCIATED INSTALLATION |
| EP1052457A4 (en) * | 1998-12-01 | 2002-05-29 | Daikin Ind Ltd | INTERIOR UNIT OF AN AIR CONDITIONING |
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| AU2004316705B2 (en) * | 2004-03-04 | 2008-07-17 | Lg Electronics Inc. | Indoor unit in air conditioner |
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| JP7048919B2 (ja) * | 2019-04-05 | 2022-04-06 | ダイキン工業株式会社 | 空気調和機の室内機 |
| CN110160155A (zh) * | 2019-04-16 | 2019-08-23 | 青岛海尔空调器有限总公司 | 天花机 |
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| CA2693130C (en) | 2010-02-25 | 2012-10-09 | The Procter & Gamble Company | Absorbent article with improved garment-like character |
-
1998
- 1998-12-01 JP JP10341871A patent/JP3045159B2/ja not_active Expired - Fee Related
-
1999
- 1999-02-26 AU AU26408/99A patent/AU726558B2/en not_active Ceased
- 1999-02-26 WO PCT/JP1999/000914 patent/WO1999043989A1/ja not_active Ceased
- 1999-02-26 CN CNB998001813A patent/CN1173132C/zh not_active Expired - Fee Related
- 1999-02-26 EP EP99906498A patent/EP0985890A4/en not_active Withdrawn
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| JPS55100916U (ja) * | 1979-01-05 | 1980-07-14 | ||
| JPS5614914U (ja) * | 1979-07-11 | 1981-02-09 | ||
| JPS5820124U (ja) * | 1981-07-30 | 1983-02-07 | 株式会社東芝 | 空気調和機 |
| JPS60246767A (ja) | 1984-02-23 | 1985-12-06 | テルモ株式会社 | 呼吸用加温加湿器 |
| JPS61151127U (ja) * | 1985-03-11 | 1986-09-18 | ||
| JPS6284232A (ja) * | 1985-10-09 | 1987-04-17 | Matsushita Refrig Co | 空気調和機 |
| JPS62179516U (ja) * | 1986-05-02 | 1987-11-14 | ||
| JPH01112340U (ja) * | 1988-01-22 | 1989-07-28 | ||
| JPH0599454A (ja) * | 1991-10-11 | 1993-04-20 | Hitachi Ltd | 空気調和機 |
| JPH04120534U (ja) * | 1992-01-10 | 1992-10-28 | 株式会社東芝 | 室内外分離形空気調和機の室内機 |
| JPH06123442A (ja) * | 1992-10-12 | 1994-05-06 | Hitachi Ltd | 天井カセット形空気調和機 |
| JPH06137578A (ja) * | 1992-10-21 | 1994-05-17 | Mitsubishi Electric Corp | 空気調和機 |
| JPH0840614A (ja) | 1994-07-27 | 1996-02-13 | Iipack:Kk | 原紙の芯無し自動小巻き方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0985890A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1052460A4 (en) * | 1998-12-01 | 2002-05-29 | Daikin Ind Ltd | ACCESSORY FOR THE INSTALLATION OF AN AIR CONDITIONER AND ASSOCIATED INSTALLATION |
| EP1052457A4 (en) * | 1998-12-01 | 2002-05-29 | Daikin Ind Ltd | INTERIOR UNIT OF AN AIR CONDITIONING |
Also Published As
| Publication number | Publication date |
|---|---|
| AU726558B2 (en) | 2000-11-09 |
| JP3045159B2 (ja) | 2000-05-29 |
| EP0985890A4 (en) | 2002-05-29 |
| CN1256749A (zh) | 2000-06-14 |
| CN1173132C (zh) | 2004-10-27 |
| AU2640899A (en) | 1999-09-15 |
| JPH11311446A (ja) | 1999-11-09 |
| EP0985890A1 (en) | 2000-03-15 |
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