WO2005052465A1 - 空気調和装置 - Google Patents
空気調和装置 Download PDFInfo
- Publication number
- WO2005052465A1 WO2005052465A1 PCT/JP2004/017165 JP2004017165W WO2005052465A1 WO 2005052465 A1 WO2005052465 A1 WO 2005052465A1 JP 2004017165 W JP2004017165 W JP 2004017165W WO 2005052465 A1 WO2005052465 A1 WO 2005052465A1
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- WO
- WIPO (PCT)
- Prior art keywords
- outlet
- air
- corner
- outlets
- auxiliary
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
Definitions
- the present invention relates to an air conditioner, and particularly to an air conditioner mounted so as to be embedded in a ceiling of an air conditioning room.
- V so-called ceiling-mounted lighting mounted to be embedded in the ceiling of a conventional air conditioning room
- An air conditioner mainly has a plurality of sides and a plurality of corners formed alternately and continuously.
- a casing having a casing lower part, an air outlet arranged along each side, and a suction port arranged so as to be surrounded by each side, a blower and heat exchange arranged in the casing. It has.
- the air in the air-conditioned room flows from the space below the suction port toward the suction port, and is sucked into the casing through the suction port. Then, the air sucked into the casing is heat-exchanged by the heat exchanger, and then the force near the ceiling of the air-conditioning room is blown obliquely downward through the air outlet into the air-conditioned room.
- most of the airflow blown out of the casing through the outlet is the force that reaches far from the air conditioner.
- Part of the airflow blown out of the casing through the outlet is sucked into the inlet immediately after being blown out.
- Such a phenomenon is called a short circuit, and when the short circuit increases (that is, when the flow rate of the air taken into the intake port immediately after being blown out from the casing through the air outlet) increases, the air conditioning device Performance degradation will occur.
- a plurality of air outlets are provided in the casing except for portions where both ends of the heat exchange are arranged, and the air outlets that are connected only in the space below the air inlet are provided.
- a short circuit is reduced by securing a flow path in which air flows from the outer peripheral side of the suction port toward the suction port at a portion where the force is not provided (for example, see Patent Document 1).
- a flow path through which air flows from the outer peripheral side of the suction port toward the suction port can be secured in a reinforced portion where no air outlet is provided. Since a short circuit is generated in the portion between the outer outlets, it is desirable to further reduce the short circuit in such a portion.
- it is conceivable to increase the separation distance between the outlets to reduce the number of outlets or to reduce the opening area of the outlets.However, in this case, the flow velocity of the airflow blown out from the outlets increases. And the draft increases.
- Patent Document 1 JP-A-2001-116281
- An object of the present invention is to reduce a short circuit that does not increase the draft caused by an airflow blown out from an outlet in an in-ceiling type air conditioner.
- An air conditioner according to a first invention is an air conditioner embedded and mounted on a ceiling of an air conditioning room, and includes a casing and a blower.
- the casing includes a casing lower part in which a plurality of sides and a plurality of corners are formed alternately and continuously, a side outlet arranged along each side, and at least one of the plurality of corners. And a suction port arranged to be surrounded by each side.
- the blower is disposed in the casing, sucks air into the suction rocker casing, and blows out the sucked air from the side outlet and the corner outlet into the air conditioning room.
- the corner outlet and the side outlet adjacent to the corner outlet are the first adjacent part which is the closest part of the corner outlet to the side outlet, and the corner outlet of the side outlet.
- the distance from the second closest part, which is the closest part of the side outlet, is D
- the length along the outer peripheral edge of the side of the side outlet is L
- the outer peripheral edge of the side of the side outlet is DZ (LW + S), where W is the width in the orthogonal direction and S is the opening area of the corner outlet
- the inventor of the present application has disclosed that in a ceiling-embedded air conditioner in which a side outlet is arranged so as to surround an inlet, a corner outlet is formed at a corner between the side outlets.
- a corner outlet is formed at a corner between the side outlets.
- the partial force between the corner outlet and the side outlet adjacent to the corner outlet also reduces the force of the corner outlet and the side outlet to the airflow blown into the air-conditioned room.
- Separation distance between the corner outlet that can prevent the short circuit from entering the short circuit and the side outlet adjacent to the corner outlet, that is, the side that is adjacent to the corner outlet and the corner outlet Provide a flow path for the air that is drawn into the suction port from the outer circumference of the suction port in the area between the outlet
- the corner outlets can be arranged at an appropriate separation distance according to the opening size of the side outlet adjacent to the corner outlet. Therefore, it is possible to secure a flow path of the air sucked into the suction port from the outer peripheral side of the suction port also in a portion between the corner outlet and the side outlet adjacent to the corner outlet. . As a result, it is possible to reduce the number of short circuits without increasing the draft calorie.
- An air conditioner according to a second invention is the air conditioner according to the first invention, wherein the corner outlet has a smaller opening area than the side outlet.
- the airflow blown out from the side outlet can reach as far as possible.
- the reach distance between the airflow blown out from the corner outlet and the airflow blown out from the side outlet can be different.
- a flow path for the air to be sucked into the suction port can be secured below the airflow blown out from the blowout port.
- An air conditioner according to a third invention is the air conditioner according to the first or second invention, wherein the two side outlets adjacent to both sides of the corner outlet are substantially orthogonal to each other. Are arranged as follows.
- An air conditioner according to a fourth aspect of the present invention is the air conditioner according to any one of the first to third aspects, wherein the peripheral portion of the corner outlet has an airflow blown out from the corner outlet. It is formed so that both the air outlet force and the airflow force that are blown out are blown away in the direction of increasing the distance.
- An air conditioner according to a fifth aspect of the present invention is the air conditioner according to any one of the first to third aspects, wherein the air outlet blown from the corner air outlet has two adjacent sides at the corner air outlet. Partial outlet force Airflow force to be blown Out Guide vanes are provided to guide the blowout in the direction in which the force increases.
- FIG. 1 is an external perspective view of an air conditioner according to an embodiment of the present invention.
- FIG. 2 is a schematic side cross-sectional view of the air conditioner, which is a cross-sectional view taken along AOA of FIG.
- FIG. 3 is a schematic plan sectional view of the air conditioner, and is a sectional view taken along line BB of FIG. 2.
- FIG. 4 is a plan view of a decorative panel of the air conditioner as viewed from an air-conditioned room.
- FIG. 5 is an enlarged view of FIG. 2, showing a vicinity of a main outlet passage corresponding to a main outlet.
- FIG. 6 is an enlarged view of FIG. 2, showing a vicinity of an auxiliary outlet passage corresponding to an auxiliary outlet.
- FIG. 7 is an enlarged view of FIG. 3, showing a vicinity of an auxiliary outlet channel corresponding to an auxiliary outlet.
- FIG. 8 is an enlarged view of FIG. 4, showing the vicinity of the auxiliary outlet (part of the lower surface of the panel is cut away).
- FIG. 9 is a schematic plan sectional view of an air conditioner according to another embodiment, corresponding to FIG. 3.
- FIG. 10 is a view showing the vicinity of an auxiliary outlet channel corresponding to an auxiliary outlet according to another embodiment, and is a view corresponding to FIG. 7.
- FIG. 1 shows an external perspective view (the ceiling is omitted) of an air conditioner 1 according to an embodiment of the present invention.
- the air conditioner 1 is a ceiling-mounted type air conditioner, and includes a casing 2 for housing various constituent devices inside.
- the casing 2 is composed of a casing body 2a and a decorative panel 3 arranged below the casing body 2a.
- the casing body 2a is arranged by being inserted into an opening formed in the ceiling U of the air conditioning room.
- the decorative panel 3 is arranged so as to be fitted into the opening of the ceiling U.
- FIG. 2 is a schematic side cross-sectional view of the air conditioner 1, and FIG. FIG.
- the casing main body 2a is a box-shaped body having a substantially octagonal lower surface opened in which long sides and short sides are alternately formed in plan view.
- the top plate 21 has a substantially octagonal top plate 21 formed by alternately and continuously forming short sides, and a side plate 22 extending downward from a peripheral portion of the top plate 21.
- FIG. 3 is a schematic plan sectional view of the air conditioner 1, and is a BB sectional view of FIG.
- the side plate 22 includes side plates 22a, 22b, 22c, and 22d corresponding to the long sides of the top plate 21, and side plates 22e, 22f, 22g, and 22h corresponding to the short sides of the top plate 21.
- the side plate 22d and the side plate 22a are arranged so as to be substantially orthogonal to each other with the side plate 22e interposed therebetween.
- the other side plates 22a and 22b, between the side plates 22b and 22c, and between the side plates 22c and 22d like the side plates 22d and 22a, they are arranged so as to be substantially orthogonal to each other.
- the side plate 22e is arranged so that the angle oc between the adjacent side plate 22d and the side plate 22a is about 135 degrees.
- the side plates 22f and 22g are arranged so that the angle between adjacent side plates is about 135 degrees.
- the side plate 22h constitutes a portion through which a refrigerant pipe for exchanging refrigerant between the heat exchange 6 (described later) and an outdoor unit (not shown) penetrates. It has a different shape from 22f and 22g.
- the side plates 22e, 22f, 22g, and 22h are provided with fixing brackets 23 used when the casing body 2a is installed in the space above the ceiling. In the casing body 2a, the lengths of the long side and the short side of the top plate 21 are set such that the shape including the fixture 23 is substantially quadrangular in plan view.
- the decorative panel 3 is a plate-like body having a substantially quadrangular shape in plan view, and mainly includes a panel main body 3a fixed to a lower end portion of the casing main body 2a.
- FIG. 4 is a plan view of the decorative panel 3 of the air conditioner 1 as viewed from the air-conditioned room.
- the panel body 3a includes a plurality (four in this embodiment) of panel sides 30a, 30b, 30c, and 30d (sides) and a plurality (four in this embodiment) of panel corners 30e, 30f, 30g, 30h ( Corners) are formed alternately and continuously.
- the panel sides 30a, 30b, 30c, 30d are arranged to correspond to the side plates 22a, 22b, 22c, 22d of the casing body 2a, respectively. Nore angle ⁇ 30e, 30f, 30g, 30hi, respectively, 2nd plate, 22e, 22f, 22g, 22h of casing body 2a.
- the panel body 3a has a suction port 31 at substantially the center thereof for sucking air in the air-conditioned room, and the panel sides ⁇ 30a, 30b, 30c, and 30d, each of which is formed so as to correspond to each other from the inside of the gaming body 2a. It has a plurality (four in the present embodiment) of main air outlets 32a, 32b, 32c, 32d for blowing air into the air-conditioned room.
- the suction port 31 is a substantially square opening in the present embodiment.
- the four main outlets 32a, 32b, 32c, 32d are substantially rectangular openings that extend elongated along the respective sides 30a, 30b, 30c, 30d.
- a square annular panel lower surface portion 3b arranged so as to surround the inlet 31 and to be surrounded by the four main outlets 32a, 32b, 32c, 32d. It is provided! Up to 3bi of the bottom surface of the nozzle, it constitutes the edge of the main air outlet 32a, 32b, 32c, 32d according to the 31-rule. Specifically, the outer peripheral edges 39a, 39b, 39c, and 39d corresponding to the four sides of the panel lower surface 3b are the main outlets 32a, 32b, 32c, and 32d in a plan view of the i-Done. It is arranged so as to overlap the part on the side of the inlet 31.
- the suction port 31 is provided with a suction grill 33 and a filter 34 for removing dust in the air sucked from the suction port 31!
- the main outlets 32a, 32b, 32c, and 32d are provided with horizontal flaps 35a, 35b, 35c, and 35d (horizontal blades) that can swing around the longitudinal axis.
- the horizontal flaps 35a, 35b, 35c, and 35d are substantially rectangular blade members that are elongated in the longitudinal direction of the main outlets 32a, 32b, 32c, and 32d corresponding to the force S, respectively.
- Each of the connecting pins has 36 forces.
- the horizontal flaps 35a, 35b, 35c, and 35d are respectively rotated around the longitudinal axes of the main outlets 32a, 32b, 32c, and 32d by the connecting pins 36 being rotatably supported by the decorative panel 3.
- connection pins 36 are connected by a connection shaft 37 as a link mechanism.
- connection shaft 37 As a link mechanism.
- the connecting pin 36 on the panel corner 30e side of the horizontal flap 35d and the panel of the horizontal flap 35a The connection pin 36 on the side of the corner 30e is connected by a connection shaft 37, and is rotated by the rotation of the connection shaft 37.
- the drive shaft of the motor 38 is connected to the connection shaft 37 arranged at the panel corner 30h.
- the four horizontal flaps 35a, 35b, 35c, 35d are vertically moved in synchronization via the connection shaft 37 and the connection pins 36 provided on the horizontal flaps 35a, 35b, 35c, 35d. It is designed to rock.
- the swing of the horizontal flaps 35a, 35b, 35c, 35d can change the direction of the airflow X blown out from the main outlets 32a, 32b, 32c, 32d into the air-conditioned room.
- the wind direction of the airflow X blown into the air-conditioned room from the main outlet 32b varies from the angle
- FIG. 5 is an enlarged view of FIG. 2, and is a view showing the vicinity of a main outlet channel 12b (described later) corresponding to the main outlet 32b.
- a blower 4 that sucks air from the air-conditioned room into the casing body 2a through the suction port 31 of the decoration panel 3 and blows out the outer periphery, and surrounds the outer periphery of the blower 4.
- Heat exchange 6 and 6 are arranged inside the casing body 2a.
- the blower 4 is a turbo fan, and includes a fan motor 41 provided at the center of the top plate 21 of the casing body 2a, and an impeller 42 connected to the fan motor 41 and driven to rotate.
- the impeller 42 has a disc-shaped end plate 43 connected to the fan motor 41, a plurality of blades 44 provided on the outer peripheral portion of the lower surface of the end plate 43, and a center provided below the blade 44. And a disc-shaped end ring 45 having an opening.
- the blower 4 sucks air into the impeller 42 through the opening of the end ring 45 by rotating the blade 44, and can blow out the air sucked into the impeller 42 to the outer peripheral side of the impeller 42.
- the heat exchanger 6 is a cross-fin tube type heat exchange panel formed by being bent so as to surround the outer periphery of the blower 4, and is an outdoor unit installed outdoors or the like. It is connected to a knit (not shown) via a refrigerant pipe.
- the heat exchanger 6 can function as an evaporator for the refrigerant flowing inside during the cooling operation and as a condenser for the refrigerant flowing inside during the heating operation.
- the heat exchange 6 exchanges heat with the air sucked into the casing body 2a through the inlet 31 by the blower 4, thereby cooling the air during the cooling operation and heating the air during the heating operation. it can.
- a drain pan 7 for receiving drain water generated by condensation of moisture in the air in the heat exchanger 6 is arranged.
- the drain pan 7 is attached to a lower part of the casing body 2a.
- the drain pan 7 is formed so as to communicate with the sucker mosquito 71 formed so as to communicate with the suction port 31 of the decorative panel 3 and the main outlets 32a, 32b, 32c and 32d of the shampoo 3. It has four main outlet holes 72a, 72b, 72c, 72d formed therein, and a drain water receiving groove 73 formed below the heat exchanger 6 for receiving drain water.
- the lengths of the main outlets 32a, 32b, 32c, 32d corresponding to the force S in the longitudinal direction are shortened.
- the main outlet hole 72c is sandwiched between the drain pump 8 disposed on the side plate 22g side for discharging the drain water collected in the drain water receiving groove 73 and the portion through which the refrigerant pipe on the side plate 22h side penetrates. Therefore, the length in the longitudinal direction is shorter than the other main outlets 72a, 72b, 72d.
- the suction hole 71 together with the suction port 31 of the decorative panel 3, constitutes a suction flow path as a substantial suction port for sucking the air in the air-conditioned room into the casing body 2a.
- the main outlets 72a, 72b, 72c, 72d together with the main outlets 32a, 32b, 32c, 32d of the decorative panel 3 communicating with each other, allow the air exchanged in heat exchange ⁇ 6 to enter the air conditioning room.
- the main outlet passages 12a, 12b, 12c, and 12d as substantial outlets for the outlet are formed.
- the decorative panel 3 and the drain pan 7 constitute a lower portion of the casing 2, and the lower portion of the casing 2 serves as a substantial intake port and a main outlet. And the main outlet passages 12a, 12b, 12c, and 12d (side outlets) are formed.
- a bell mouth 5 for guiding air sucked from the suction port 31 to the impeller 42 of the blower 4 is disposed in a suction hole 71 of the drain pan 7.
- FIG. 6 is an enlarged view of FIG. 2, and is a view showing the vicinity of an auxiliary outlet passage 12e (described later) corresponding to the auxiliary outlet 32e.
- FIG. 7 is an enlarged view of FIG. 3 and shows the vicinity of the auxiliary outlet passage 12e corresponding to the auxiliary outlet 32e.
- the four auxiliary outlets 32e, 32f, 32g, and 32h are substantially rectangular shapes formed along the side plates 22e, 22f, 22g, and 22h of the casing body 2a in plan view of the decorative panel 3, respectively. It is an opening.
- Parts 39e, 39f, 39g, and 39h are arranged so as to overlap.
- the panel lower surface 3b is connected to the auxiliary outlets 32e, 32f, 32g, and 32h on the inlet 31 side edge, which is formed only by the inlet 31 side edge of the main outlets 32a, 32b, 32c, and 32d. Is also configured.
- the auxiliary air outlets 32e, 32f, 32g, 32h do not have horizontal flaps to change the wind direction of the blown airflow. No.
- the direction of the airflow blown out from the auxiliary air outlet 32e into the air-conditioned room is the main air outlet 32d provided by the horizontal flaps 35d, 35a provided in the adjacent main air outlets 32d, 32a.
- 32a the direction of adjustment of the vertical direction of the airflow (specifically, the range from the angle
- the wind direction of the airflow blown from 32g and 32h into the air-conditioned room also has an angle ⁇ with respect to the lower surface of the ceiling U, similarly to the wind direction of the airflow Y blown into the air-conditioned room from the auxiliary outlet 32e. ing.
- the drain pan 7 further has three auxiliary outlets 72e, 72f, 72g formed to communicate with the auxiliary outlets 32e, 32f, 32g of the decorative panel 3.
- no auxiliary outlet is formed at a position corresponding to the auxiliary outlet 32h of the decorative panel 3 of the drain pan 7. Therefore, in the present embodiment, the auxiliary outlet 32h of the decorative panel 3 does not have a function of blowing out the air sucked into the casing main body 2a into the air-conditioned room.
- the auxiliary outlet 72e is substantially the same as the longitudinal length of the corresponding auxiliary outlet 32e, but the auxiliary outlet 72f has a portion of the drain water receiving groove 73 projecting toward the side plate 22a.
- the length of the corresponding auxiliary outlet 32f in the longitudinal direction is shorter.
- the auxiliary outlet 72g is shorter than the longitudinal length of the corresponding auxiliary outlet 32g.
- the two auxiliary outlet channels 12e, 12f, and 12g are configured. That is, in the air-conditioning apparatus 1 of the present embodiment, the suction passages and the main discharge passages 12a, 12b as substantial suction ports and main outlets are provided below the casing 2 including the decorative panel 3 and the drain pan 7.
- Auxiliary outlet channels 12e, 12f, and 12g (corner outlets) are formed together with 12c and 12d as substantial auxiliary outlets.
- the air inlet 31 is surrounded by these outlet passages.
- the flow path of the air sucked into the casing 2 is secured, and as a result, the air flows into the air-conditioned room from the main discharge flow paths 12a, 12b, 12c, 12d and the auxiliary discharge flow paths 12e, 12f, 12g.
- the air flow X and the air flow Y thus blown out are short-circuited and are sucked into the suction port 31.
- the auxiliary outlet channels 12e, 12f, 12g and the main outlet channels 12a, 12b, 12c, 12d adjacent to the auxiliary outlet channels 12e, 12f, 12g are set by setting the separation distance between the auxiliary outlet passages 12e, 12f, 12g and the main outlet passages adjacent to the auxiliary outlet passages 12e, 12f, 12g by satisfying a predetermined relational expression described below. 12a, 12b, 12c, and 12d, between the outer peripheral side of the inlet 31 and the air sucked into the inlet 31. The flow path can be secured!
- auxiliary outlet channels 12e, 12f, 12g and the main outlet channels 12a, 12b, 12c, 12d adjacent to the auxiliary outlet channels 12e, 12f, 12g, the auxiliary outlet channel 12e The dimensional relationship between the main flow passage 12a adjacent to the discharge passage 12e will be described as an example.
- the dimensional relationship between the auxiliary outlet channel 12e and the main outlet channel 12d adjacent to the auxiliary outlet channel 12e, and the other auxiliary outlet channels 12f, 12g and the main outlet channels 12a, 12b, 12c, 12d Since the dimensional relationship has the same relationship, the description is omitted.
- a point P (first adjacent portion), which is the closest part of the auxiliary blowout flow path 12e to the main blowout flow path 12a, and a side, which is the closest blowout part of the auxiliary blowout flow path 12e of the main blowout flow path 12a.
- the distance between the main outlet passage 12a and the outer peripheral edge 30a of the main outlet passage 12a (that is, the side plate 22a) is L, and the distance between the main outlet passage 12a and the main outlet passage 12a is L.
- the width in the direction orthogonal to the side plate 22a is W and the opening area S of the auxiliary outlet channel 12e is adjacent to the auxiliary outlet channel 12e and the auxiliary outlet channel 12e.
- the main outlet passage 12a and has a DZ (LW + S) 0 5 > 0. 15 dimensional relationships.
- the opening area S of the auxiliary outlet passage 12e is an auxiliary area in the plan view of the casing 2.
- the opening area of the portion having the smallest opening area between the auxiliary outlet 72e and the auxiliary outlet 32e corresponds to the opening area of the auxiliary outlet 72e in the present embodiment.
- the opening area S is determined by the point P of the auxiliary outlet 12 e and the main outlet 12 d of the auxiliary outlet 12 e.
- L be the length between the point P ', which is the closest part, and point P and point P' of the auxiliary
- the air is sucked into the suction port 31 from the outer peripheral side of the suction port 31 between the flow paths 12e, 12f, 12g and the main blowing flow paths 12a, 12b, 12c, 12d adjacent to the auxiliary blowing flow paths 12e, 12f, 12g. It defines the minimum separation distance that can secure the air flow path.
- the opening area S of the auxiliary outlet passages 12e, 12f, and 12g is equal to the main outlet passages 12a, 12b, and 12c.
- the opening area of the 12d is smaller than Si.
- the auxiliary outlet passages 12e, 12f, 12g are blown from the two main outlet passages 12a, 12b, 12c, 12d, the periphery of which is adjacent to the airflow Y, which is blown from the auxiliary outlet passages 12e, 12f, 12g. It is formed so that it is blown out in the direction away from the flowing air X.
- the auxiliary outlet channel 12e is a side of the main outlet channels 12a, 12d adjacent to the end faces 74, 75 of the main outlet channels 12a, 12d.
- the angles 0 and 0 'between Q and Q' are formed to be positive values (for example, 45 degrees).
- FIG. 8 is an enlarged view of FIG. 4, and is a view showing the vicinity of the auxiliary outlet 32e (a part of the panel lower surface portion 3b is cut away and shown).
- the fan motor 41 When the operation starts, the fan motor 41 is driven, and the impeller 42 of the blower 4 rotates. Along with the driving of the fan motor 41, a refrigerant is supplied into the heat exchanger 6 from an outdoor unit (not shown).
- the heat exchanger 6 functions as an evaporator during the cooling operation and as a condenser during the heating operation. Then, with the rotation of the impeller 42, the air in the air-conditioned room is also sucked into the casing body 2 a from the suction port 31 of the decorative panel 3 through the filter 34 and the bell mouth 5.
- the inhaled air is blown to the outer peripheral side by the impeller 42, reaches the heat exchange 6, and is cooled or heated by the heat exchange 6, and then the main outlet holes 72a, 72b, 72c, 72d and the main Outlets 32a, 32b, 32c, 32d (i.e. main outlet passages 12a, 12b, 12c, 12d) and auxiliary outlets 72e, 72f, 72g and auxiliary outlets 32e, 32f, 32g (i.e. The air is blown out toward the air-conditioned room through the blow-out passages 12e, 12f, and 12g). In this way, cooling or heating in the air-conditioned room is performed.
- auxiliary outlet channels 12e, 12f, and 12g are described above according to the opening sizes of the main outlet channels 12a, 12b, 12c, and 12d and the auxiliary outlet channels 12e, 12f, and 12g, respectively.
- the panel corners 30e, 30f, and 30g are arranged with a separation distance that satisfies the dimensional relations described above. As a result, air sucked into the suction port 31 between the auxiliary outlet channels 12e, 12f, 12g and the main outlet channels 12a, 12b, 12c, 12d adjacent to the auxiliary outlet channels 12e, 12f, 12g. Check the flow path of Can be maintained.
- the distance between the auxiliary outlet channel 12e and the adjacent main outlet channel 12a is set to the distance D, thereby securing a channel for the air sucked into the inlet 31.
- the outer peripheral force of the decorative panel 3 can also introduce the airflow Z into the suction port 31, thereby reducing the number of short circuits.
- a flow passage of the air drawn into the suction port 31 can be secured, so that the outer circumferential force of the decorative panel 3 also sucks the air. Can be introduced into the mouth 31 and the short circuit can be reduced!
- the wind direction of the airflow X blown out from the main outlets 32a, 32b, 32c, and 32d into the air-conditioned room is determined according to the horizontal flaps 35a, 35b, 35c, and 35d (the wind direction adjustment range (specifically, , At an angle to the lower surface of the ceiling U j8 j8
- the airflow Y blown out from the auxiliary outlets 32e, 32f, and 32g into the air-conditioned room is at an angle that is almost halfway between the horizontal flaps 35a, 35b, 35c, and 35d with respect to the lower surface of the ceiling U. It is blown out in the direction of ⁇ .
- the auxiliary outlet 32e is located at the panel corner 30e adjacent to the main outlet 32d and the main outlet 32a. It is more susceptible to the airflow X blown out from the outlet 32a into the air-conditioned room. Specifically, the airflow Y blown out from the auxiliary outlet 32e tends to change its direction by being dragged by the airflow X blown out from the adjacent main outlet 32d and the main outlet 32a. Therefore, the airflow Y blown out from the auxiliary outlet 32e is directed in the same direction as the wind direction of the airflow X by swinging the horizontal flaps 35d, 35a provided in the main outlets 32d, 32a. Be able to change.
- the wind direction of the airflow X blown out from the main outlets 32d and 32a depends on the wind direction Y (ie, the direction of the angle ⁇ with respect to the lower surface of the ceiling U) of the airflow also blown out by the auxiliary outlet 32e.
- the wind direction of the airflow ⁇ ⁇ blown out from the auxiliary outlet 32e is dragged by it, and becomes smaller than the angle ⁇ .
- the air blown out of the auxiliary outlet 32e can be blown out in a fixed direction without providing a mechanism such as a horizontal flap for changing the vertical wind direction of the air blown out of the auxiliary outlet 32e.
- the wind direction of the generated airflow Y can be varied.
- the power of the adjacent main outlets similarly to the auxiliary outlet 32e, even if a mechanism such as a horizontal flap is not provided, the power of the adjacent main outlets also changes according to the change in the wind direction of the blown airflow X.
- the blowing direction of the airflow Y can be changed.
- the opening area S of the auxiliary outlet passages 12e, 12f, and 12g is equal to the main outlet passages 12a, 12b, and 12c.
- 12d is smaller than the opening area S of the main outlet passages 12a, 12b, 12c, and 12d, so that the flow velocity of the air blown from the main outlet passages 12a, 12b, 12c, and 12d is not significantly reduced.
- the airflow X blown out from 12c and 12d can reach as far as possible.
- the flow rate of the air blown out from the auxiliary blowout passages 12e, 12f, and 12g is small, and the airflow Y blown out from the auxiliary blowout passages 12e, 12f, and 12g and the main blowout passages 12a, 12b, 12c, and 12d.
- the peripheral edges (specifically, end faces 74 and 75) of the auxiliary blowing passages 12e, 12f, and 12g are adjacent to each other.
- Two main outlet streams Since it is formed so as to be blown in a direction away from the airflow X blown from the passages 12a, 12b, 12c, 12d, it is easier to further secure the flow path of the air drawn into the suction port 31. I have.
- auxiliary outlets 32e, 32f, 32g, and 32h are formed so as to correspond to all of the panel corners 30e, 30f, 30g, and 30h, the auxiliary outlets are provided in the drain pan 7. Since there is no auxiliary outlet corresponding to 32h, only three auxiliary outlets 32e, 32f, 32g out of the four auxiliary outlets 32e, 32f, 32g, 32h function as substantial auxiliary outlets However, as shown in FIG. 9 (a schematic plan cross-sectional view of an air conditioner according to another embodiment, which is a diagram corresponding to FIG. 3), it corresponds to the auxiliary outlet 32h of the drain pan 7.
- the air in the casing body 2a may be blown out from the auxiliary air outlet 32h into the air-conditioning room by forming the auxiliary air outlet 72h at the position and providing the auxiliary air flow passage 12h.
- all the four sides 30a, 30b, 30c, 30d and the four panel corners 30e, 30f, 30g, 30h of the ⁇ 3 ⁇ ⁇ ⁇ ⁇ ⁇ can blow air into the air-conditioned room,
- the distribution of airflow blown into the air-conditioned room can be further improved (B)
- FIG. 10 (a diagram showing the vicinity of the auxiliary outlet flow passage 12e corresponding to the auxiliary outlet 32e working in another embodiment and corresponding to FIG.
- the auxiliary outlet flow Taking the path 12e as an example, the airflow Y blown out from the auxiliary blowing flow path 12e in the auxiliary blowing flow path 12e
- a plurality (four in the present embodiment) of guide vanes 76 may be provided to guide the air flow X blown out from the two main blow-out passages 12a and 12d adjacent to each other so as to be blown away from the air flow X. .
- One of 30e, 30f, 30g, 30h or one of the two can also be installed.
- the auxiliary outlet passages are sucked into the inlet 31 between the adjacent main outlet passages. As a result, a short circuit can be reduced.
- the present invention is applied to the ceiling-embedded air conditioner 1 having the substantially square decorative panel 3, but the ceiling-embedded air having the pentagonal or more polygonal decorative panel. Applicable to Harmonic Apparatus 1.
- an outlet force can be reduced without increasing draft due to the blown airflow. Can be reduced.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/554,858 US8006512B2 (en) | 2003-11-27 | 2004-11-18 | Air conditioner |
EP04819321.3A EP1688678B1 (en) | 2003-11-27 | 2004-11-18 | Air conditioner |
ES04819321.3T ES2650412T3 (es) | 2003-11-27 | 2004-11-18 | Acondicionador de aire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003396521A JP3972894B2 (ja) | 2003-11-27 | 2003-11-27 | 空気調和装置 |
JP2003-396521 | 2003-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005052465A1 true WO2005052465A1 (ja) | 2005-06-09 |
Family
ID=34631517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017165 WO2005052465A1 (ja) | 2003-11-27 | 2004-11-18 | 空気調和装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8006512B2 (ja) |
EP (1) | EP1688678B1 (ja) |
JP (1) | JP3972894B2 (ja) |
CN (1) | CN100390472C (ja) |
ES (1) | ES2650412T3 (ja) |
WO (1) | WO2005052465A1 (ja) |
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RU2672434C2 (ru) * | 2014-03-07 | 2018-11-14 | Компани Эндюстриэль Д'Аппликасьон Термик | Конвекционный вентилятор, интегрируемый в подшивной потолок, и блок, по меньшей мере, из двух конвекционных вентиляторов, принадлежащий к установке кондиционирования воздуха |
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Also Published As
Publication number | Publication date |
---|---|
CN100390472C (zh) | 2008-05-28 |
US8006512B2 (en) | 2011-08-30 |
JP2005156045A (ja) | 2005-06-16 |
EP1688678B1 (en) | 2017-11-01 |
JP3972894B2 (ja) | 2007-09-05 |
ES2650412T3 (es) | 2018-01-18 |
EP1688678A4 (en) | 2009-02-25 |
CN1771415A (zh) | 2006-05-10 |
EP1688678A1 (en) | 2006-08-09 |
US20060276123A1 (en) | 2006-12-07 |
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