WO2016051675A1 - Climatiseur intérieur - Google Patents

Climatiseur intérieur Download PDF

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Publication number
WO2016051675A1
WO2016051675A1 PCT/JP2015/004536 JP2015004536W WO2016051675A1 WO 2016051675 A1 WO2016051675 A1 WO 2016051675A1 JP 2015004536 W JP2015004536 W JP 2015004536W WO 2016051675 A1 WO2016051675 A1 WO 2016051675A1
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WO
WIPO (PCT)
Prior art keywords
grill
suspension support
air
suction port
indoor unit
Prior art date
Application number
PCT/JP2015/004536
Other languages
English (en)
Japanese (ja)
Inventor
伸幸 小嶋
義照 野内
Original Assignee
ダイキン工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to EP15848010.3A priority Critical patent/EP3199882B1/fr
Priority to AU2015326324A priority patent/AU2015326324B2/en
Publication of WO2016051675A1 publication Critical patent/WO2016051675A1/fr

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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/26—Details or features not otherwise provided for improving the aesthetic appearance

Definitions

  • This disclosure relates to an indoor unit of an air conditioner, and particularly to an indoor unit of an air conditioner provided on a ceiling.
  • Patent Document 1 discloses a ceiling-embedded air conditioner that includes a unit casing in which a lower portion is opened and a blower and a heat exchanger are disposed inside, and a decorative panel provided in a lower portion of the unit casing. (Indoor unit) is described.
  • the front panel is engage
  • the front panel is suspended and supported by a lifting device attached to the decorative panel so as to be lifted and lowered via a wire.
  • the lifting device When the operation of the air conditioner is stopped, the lifting device winds the wire and raises the front panel, the front panel is accommodated in the suction port of the decorative panel, and the suction port is closed. On the other hand, during operation of the air conditioner, the lifting device feeds the wire and lowers the front panel, and a gap serving as a suction opening is formed between the front panel and the decorative panel.
  • an object of the present disclosure is to provide an indoor unit of an air conditioner that can stabilize the support of the grill while suppressing an increase in ventilation resistance at the suction opening.
  • a first aspect of the present disclosure is an indoor unit of an air conditioner provided on a ceiling (CE), and includes an indoor fan (31) and an indoor heat exchanger (32) inside, and the ceiling (CE ),
  • a first extending portion (54a) extending from the inner peripheral portion of the air suction port (51a) to the inner peripheral side, and the first extending portion (54a), and formed integrally with the first extending portion (54a).
  • a suspension support portion (54) having a second extension portion (54b) extending downward from a tip portion of the extension portion (54a), and the suspension support described above Connected to the lower end of the second extension portion (54b) of (54) and disposed at the lower end portion of the air suction port (51a), and its outer peripheral edge and the opening edge of the air suction port (51a) in plan view
  • An air conditioner indoor unit having a plate-shaped grille (52) covering a central portion of the air suction port (51a) so that a suction opening (60) is formed therebetween It is.
  • the grill (52) is made stronger than when the grill (52) is suspended by the wire. Can be supported.
  • the grill (52) is connected to the air suction port (51a) so that the suction opening (60) is formed between the outer peripheral edge of the grill (52) and the opening edge of the air suction port (51a) in plan view.
  • the opening area of the suction opening (60) can be secured.
  • the grill (52) can be firmly supported while ensuring the opening area of the suction opening (60).
  • the first extension part (54a) of the suspension support part (54) is erected in an up-and-down state in the air suction port (51a).
  • the second extending portion (54b) of the suspension support portion (54) extends downward from the distal end portion of the first extending portion (54a), and is formed in a plate shape extending from the peripheral portion toward the inner peripheral side. It is an indoor unit of an air conditioner characterized by being formed in a plate shape.
  • the said 2nd aspect it originates in arrangement
  • the 2nd extension part (54b) of the suspension support part (54) is formed in rod shape by forming the 2nd extension part (54b) of the suspension support part (54) in plate shape.
  • the connection area between the second extension part (54b) of the suspension support part (54) and the grill (52) can be made wider than the case. Thereby, the connection strength between the suspension support part (54) and the grille (52) can be improved.
  • the suspension support portion (54) is integrally formed with at least one of the panel body (51) and the grill (52). It is the indoor unit of the air conditioner characterized by the above-mentioned.
  • connection strength between a suspension support part (54) and a panel main body (51) is improved by forming a suspension support part (54) integrally with a panel main body (51). be able to. Further, by forming the suspension support portion (54) integrally with the grill (52), the connection strength between the suspension support portion (54) and the grill (52) can be improved.
  • the suspension support portion (54) is formed separately from the panel body (51) and the grill (52). Is an indoor unit of an air conditioner characterized by
  • the suspension support portion (54) is formed separately from the panel body (51) and the grill (52), so that the panel body (51), the grill (52), and the suspension support portion ( 54) can be manufactured individually.
  • the suspension support portion (54) is connected to at least one of the panel body (51) and the grill (52) by claw fitting. It is the indoor unit of the air conditioner characterized by having.
  • the suspension support portion (54) and the panel body (51) are easily connected by connecting the suspension support portion (54) to the panel body (51) by claw fitting. Can do.
  • the suspension support portion (54) and the grill (52) can be easily connected by connecting the suspension support portion (54) to the grill (52) by claw fitting.
  • the suspension support portion (54) is connected to at least one of the panel body (51) and the grill (52) by screwing. This is an indoor unit of an air conditioner.
  • the suspension support portion (54) and the panel body (51) can be easily attached and detached by connecting the suspension support portion (54) to the panel body (51) with screws. it can.
  • the suspension support part (54) and the grille (52) can be easily attached and detached by connecting the suspension support part (54) to the grille (52) by screwing.
  • the air suction port (51a) is formed in a rectangular shape in a plan view, and the grill (52)
  • the first extension part (54a) of the suspension support part (54) is formed from a side part of the air suction port (51a) to a side part of the grille (52) in plan view.
  • the indoor unit of the air conditioner characterized in that the lower end of the second extension part (54b) of the suspension support part (54) is connected to the side part of the grill (52). It is.
  • grill (52) among suction inlets (60) is the suction opening ( 60), it tends to be faster than the flow velocity of the air passing through the region sandwiched between the side of the air inlet (51a) and the side of the grill (52). Therefore, by arranging the suspension support part (54) on the side part of the grill (52), it is possible to effectively suppress an increase in ventilation resistance due to the arrangement of the suspension support part (54).
  • the air suction port (51a) is formed in a rectangular shape in a plan view, and the grill (52) is a flat surface.
  • the first extending portion (54a) of the suspension support portion (54) is formed from a corner portion of the air suction port (51a) to a corner portion of the grille (52) in plan view.
  • the indoor unit of the air conditioner characterized in that the lower end of the second extension part (54b) of the suspension support part (54) is connected to the corner part of the grill (52). It is.
  • the decorative panel (50) is a plate member (53 arranged on the inner periphery of the air suction port (51a). ), And the plate member (53) is formed in a plate shape extending along the inner periphery of the air suction port (51a) so that the upper edge is located on the inner periphery side of the lower edge. It is arranged on the inner periphery of the air inlet (51a), its upper edge is located above the lower end of the air inlet (51a), and its lower edge surrounds the outer periphery of the grill (52) in plan view. It is the indoor unit of room air characterized by the above-mentioned.
  • the plate member (53) by providing the plate member (53), it is possible to make the internal parts of the indoor unit (10) less visible from the suction opening (60) while securing the opening area of the suction opening (60). it can.
  • the lower portion of the first extension portion (54a) of the suspension support portion (54) corresponds to the outer peripheral surface of the plate member (53). It is an indoor unit of an air conditioner characterized in that it is formed in a shape and the outer peripheral surface of the plate member (53) is connected to the lower part thereof.
  • the lower portion of the first extending portion (54a) of the suspension support portion (54) is formed in a shape corresponding to the outer peripheral surface of the plate member (53), and the outer peripheral surface of the plate member (53).
  • the grill (52) can be firmly supported while securing the opening area of the suction opening (60), so that an increase in ventilation resistance at the suction opening (60) is suppressed.
  • the support of the grill (52) can be stabilized.
  • an increase in ventilation resistance due to the arrangement of the suspension support portion (54) can be suppressed, so that the flow of air passing through the air suction port (51a) can be smoothly performed. can do.
  • the connection strength between the suspension support part (54) and the grill (52) can be improved, the stability of the support of the grill (52) can be improved.
  • connection strength between the suspension support portion (54) and the panel body (51) and the connection strength between the suspension support portion (54) and the grill (52) are improved. Since at least one of them can be improved, the stability of support of the grill (52) can be improved.
  • the panel body (51), the grille (52), and the suspension support part (54) can be individually manufactured, so that the decorative panel (50) can be easily manufactured. be able to.
  • connection between the suspension support portion (54) and the panel body (51) and the connection between the suspension support portion (54) and the grill (52) can be easily performed. Therefore, the assembly of the decorative panel (50) can be facilitated.
  • At least one of attachment / detachment between the suspension support portion (54) and the panel body (51) and attachment / detachment between the suspension support portion (54) and the grill (52) is facilitated. Therefore, assembly and disassembly of the decorative panel (50) can be facilitated.
  • an increase in ventilation resistance due to the arrangement of the suspension support portion (54) can be effectively suppressed, so that the flow of air passing through the air suction port (51a) Can be made smooth.
  • the grill (52) can be firmly supported, the stability of the support of the grill (52) can be improved.
  • the ninth aspect of the present disclosure it is possible to make the internal parts of the indoor unit (10) less visible from the suction opening (60) while securing the opening area of the suction opening (60).
  • the design of the decorative panel (50) can be improved while suppressing an increase in ventilation resistance in 60).
  • connection strength between the suspension support portion (54) and the plate member (53) can be improved, the plate member (53 by the suspension support portion (54) is provided. ) Support can be strengthened.
  • FIG. 3 is a bottom view illustrating a configuration example of a decorative panel according to the first embodiment.
  • FIG. 3 is a top view illustrating a configuration example of a decorative panel according to the first embodiment.
  • the fragmentary longitudinal cross-sectional view for demonstrating the modification 1 of a board member The fragmentary longitudinal cross-sectional view for demonstrating the modification 2 of a board member.
  • the fragmentary longitudinal cross-sectional view for demonstrating the modification 3 of a board member The longitudinal cross-sectional view for demonstrating the modification of a decorative panel.
  • the top view for demonstrating the modification 1 of a suspension support part The fragmentary perspective view for demonstrating the modification 2 of a suspension support part.
  • the fragmentary perspective view for demonstrating the modification 3 of a suspension support part The fragmentary longitudinal cross-sectional view for demonstrating the modification 3 of a suspension support part.
  • the fragmentary perspective view for demonstrating the modification 4 of a suspension support part The fragmentary longitudinal cross-sectional view for demonstrating the modification 1 of a board member.
  • the fragmentary longitudinal cross-sectional view for demonstrating the modification 2 of a board member The fragmentary longitudinal cross-sectional view for demonstrating the modification 3 of a suspension support part.
  • FIG. 1 The fragmentary longitudinal cross-sectional view for demonstrating the modification 4 of a suspension support part.
  • the longitudinal cross-sectional view which showed the modification of the indoor unit of the air conditioner by Embodiment 2.
  • FIG. The fragmentary perspective view for demonstrating the principal part of the decorative panel of Embodiment 2.
  • FIG. 1 The fragmentary longitudinal cross-sectional view for demonstrating the principal part of the decorative panel of Embodiment 2.
  • FIG. 1 shows a configuration example of an indoor unit (10) of an air conditioner according to the first embodiment.
  • the indoor unit (10) is provided on the ceiling (CE) of the room that is subject to air conditioning, and is connected to an outdoor unit (not shown) provided outside of the room by piping to form an air conditioner.
  • air conditioning operations such as cooling operation and heating operation are performed.
  • the indoor unit (10) includes an indoor unit body (20), a chamber (40), and a decorative panel (50).
  • the indoor unit (10) is suspended by a suspension mechanism (not shown) in the space above the ceiling (CE) (that is, the back of the ceiling).
  • FIG. 1 is a perspective view showing the indoor unit (10) as viewed obliquely from below.
  • FIG. 2 is a longitudinal sectional view showing a longitudinal section of the indoor unit (10), and corresponds to a longitudinal sectional view taken along line II-II in FIG.
  • FIG. 3 is a bottom view showing the decorative panel (50) viewed from below.
  • FIG. 4 is a top view showing the decorative panel (50) as viewed from above.
  • the indoor unit body (20) has an indoor fan (31) and indoor heat exchanger (32) inside, and is provided on the ceiling (CE). The temperature of the air sucked from below is adjusted and blown out.
  • the indoor unit main body (20) includes a casing (21), a drain pan (33), and a bell mouth (34) in addition to the indoor fan (31) and the indoor heat exchanger (32).
  • the casing (21) is formed in a rectangular parallelepiped box shape whose bottom surface is open.
  • a heat insulating material (not shown) is provided on the inner surface of the casing (21).
  • the casing (21) accommodates the indoor fan (31), the indoor heat exchanger (32), the drain pan (33), and the bell mouth (34).
  • the indoor fan (31) is disposed at the center inside the casing (21).
  • the indoor fan (31) is configured to blow out the air sucked from below from the side to the outside in the radial direction.
  • the indoor fan (31) has a fan motor (31a) and an impeller (31b).
  • the fan motor (31a) is fixed to the top plate of the casing (21), and the impeller (31b) is connected to the rotating shaft of the fan motor (31a).
  • the indoor heat exchanger (32) is disposed so as to surround the indoor fan (31) and is configured to exchange heat between the refrigerant and the air conveyed by the indoor fan (31).
  • the indoor heat exchanger (32) is configured by a cross fin type fin-and-tube heat exchanger.
  • an indoor heat exchanger (32) provided in the indoor unit (10), a compressor, an outdoor heat exchanger, and an expansion valve provided in the outdoor unit (not shown) are connected by piping to form a refrigerant circuit.
  • a refrigerant is reversibly circulated to perform a vapor compression refrigeration cycle.
  • the indoor heat exchanger (32) functions as an evaporator in the cooling operation to cool the air, and functions as a radiator (condenser) in the heating operation to heat the air.
  • the drain pan (33) is formed in the shape of a flat cube up and down, and is disposed below the indoor heat exchanger (32).
  • the drain pan (33) is formed with one air inlet (33a), a plurality (four in this example) of air outlets (33b), and a drain groove (33c).
  • the air inlet (33a) is formed at the center of the drain pan (33) and penetrates the drain pan (33) up and down.
  • the four air outlets (33b) are formed around the air inlet (33a) and penetrate the drain pan (33) up and down.
  • the drain groove (33c) is formed in an annular shape along the lower end of the indoor heat exchanger (32) and receives condensed water generated in the indoor heat exchanger (32).
  • the four air outlets (33b) are formed along the four sides of the drain pan (33) in plan view. Further, the drain groove (33c) extends in an annular shape between the air inlet (33a) and the four air outlets (33b) in a plan view.
  • the bell mouth (34) is formed in a cylindrical shape whose opening area increases from the upper edge toward the lower edge, and the upper edge is inserted into the lower opening (suction port) of the indoor fan (31).
  • the air is introduced into the air inlet (33a) of the drain pan (33).
  • the chamber (40) is formed in the shape of a flat cube up and down, and is disposed below the indoor unit body (20).
  • the chamber (40) is formed with one suction communication port (40a) and a plurality of (four in this example) outlet communication ports (40b).
  • the suction communication port (40a) is formed in the central portion of the chamber (40), penetrates the chamber (40) vertically and communicates with the air introduction port (33a) of the drain pan (33).
  • the four outlet communication ports (40b) are formed around the suction communication port (40a) and penetrate the chamber (40) vertically to communicate with the four air outlet ports (33b) of the drain pan (33). Yes.
  • the four outlet communication ports (40b) are formed along the four sides of the chamber (40) in plan view.
  • the decorative panel (50) is provided below the indoor unit body (20) with the chamber (40) interposed therebetween.
  • the decorative panel (50) includes a panel body (51), a grille (52), a plate member (53), a plurality of (four in this example) suspension support portions (54), a filter ( 55) and a plurality (four in this example) of wind direction adjusting blades (56).
  • the panel body (51) is formed in a cubic shape that is flat vertically.
  • the panel main body (51) is formed with one air inlet (51a) and a plurality (four in this example) of air outlets (51b).
  • the panel body (51) is formed in a square shape in plan view.
  • the panel body (51) has a flat bottom surface with a central portion on the lower surface (specifically, a portion located inside the four air outlets (51b)), and an outer peripheral edge portion on the lower surface. Is formed in an inclined surface shape that gently inclines upward toward the outer periphery.
  • the air suction port (51a) is formed at the center of the panel main body (51), penetrates the panel main body (51) vertically and communicates with the suction communication port (40a) of the chamber (40). That is, the air suction port (51a) communicates with the air introduction port (33a) of the drain pan (33) via the suction communication port (40a) of the chamber (40).
  • the air suction port (51a) is formed in a square shape in plan view.
  • the air suction port (51a) is formed so that the opening area is the same from the upper end to the lower end.
  • the four air outlets (51b) are formed around the air inlet (51a), penetrate the panel body (51) vertically and communicate with the four outlet communication ports (40b) of the chamber (40). Yes. That is, the four air outlets (51b) communicate with the four air outlets (33b) of the drain pan (33) via the four outlet communication ports (40b) of the chamber (40). In this example, the four air outlets (51b) are formed along the four sides of the panel body (51).
  • the side close to the center of the air suction port (51a) in plan view is referred to as “inner side”, and the side far from the center of the air suction port (51a) in plan view is “outer side”. Is written.
  • the grill (52) is formed in a plate shape (specifically, a non-porous plate shape) that blocks the flow of air, and is provided at the lower end of the air suction port (51a).
  • the grill (52) has a central portion of the air suction port (51a) so that the suction opening (60) is formed between the outer periphery of the grill (52) and the opening edge of the air suction port (51a). Covering.
  • the grill (52) is formed in a square plate shape smaller than the air suction port (51a) formed in a square shape in plan view, and the height of the bottom surface of the air suction port (51a) is It is provided in the lower end part of the air inlet (51a) so that it may become the same as the height of a lower end.
  • the lower surface of the grill (52) is formed in a flat surface, and the lower surface is flush with the central portion of the lower surface of the panel body (51) with the suction opening (60) interposed therebetween.
  • the height of the lower surface of the grill (52) is the same as the height of the lower end of the air suction port (51a)
  • the height of the lower surface of the grill (52) is the same as that of the air suction port (51a).
  • the height of the lower surface of the air suction port (51a) is substantially the same as the height of the lower end of the air inlet (51a) (for example, the difference in height between the lower surface of the grill (52) and the lower end of the air inlet (51a) Is included within about 5 mm).
  • the plate member (53) is formed in a plate shape extending along the inner circumference of the air suction port (51a), and the inner edge of the air suction port (51a) is positioned so that the upper edge is located on the inner circumference side of the lower edge. It is provided around the circumference.
  • the upper edge of the plate member (53) is located above the lower end of the air suction port (51a), and the lower edge surrounds the outer periphery of the grill (52) in plan view.
  • the plate member (53) continuously extends over the entire inner circumference of the air suction port (51a).
  • the plate member (53) is bent so as to be concave with respect to the outer peripheral edge of the grill (52).
  • the plate member (53) is formed in a cylindrical shape (frame shape) having a square cross section, and the upper edge of the plate member (53) is located on the inner peripheral side of the lower edge. It is curved in a circular arc shape that is concave with respect to the outer peripheral edge.
  • the lower edge of the plate member (53) is located between the inner peripheral edge and the outer peripheral edge of the suction opening (60) in plan view
  • the suction opening (60) in plan view is defined by the plate member ( 53) is divided into a first suction opening (61) located on the inner peripheral side of the lower edge and a second suction opening (62) located on the outer peripheral side of the lower edge of the plate member (53).
  • the inner peripheral edge of the suction opening (60) corresponds to the outer peripheral edge of the grill (52), and the outer peripheral edge of the suction opening (60) corresponds to the opening edge of the air suction opening (51a).
  • each suspension support part (54) has a first extension part (54a) and a second extension part (54b).
  • FIG. 5 is an enlarged partial perspective view of the suspension support portion (54) as viewed obliquely from above.
  • FIG. 6 shows an enlarged view of the vicinity of the suspension support portion (54) in the longitudinal section of the decorative panel (50) along the extending direction of the first extension portion (54a) of the suspension support portion (54).
  • FIG. 6 is a partial vertical sectional view corresponding to a partial vertical sectional view taken along line VI-VI in FIG.
  • the first extension part (54a) extends from the inner peripheral part of the air suction port (51a) toward the inner peripheral side, and the second extension part (54b)
  • the first extending portion (54a) is formed integrally with the first extending portion (54a) and extends downward from the tip end portion.
  • the “inner peripheral portion of the air suction port (53)” refers to a portion of the panel body (51) that constitutes the air suction port (51a) (a portion that surrounds the air suction port (51a)).
  • the first extension part (54a) extension part
  • the second extension part (54b) extends from the inner peripheral surface of the air suction port (51a) toward the inner peripheral side
  • the hanging portion is formed integrally with the first extending portion (54a) and hangs down from the distal end portion of the first extending portion (54a).
  • the first extension part (54a) is formed in a plate shape extending from the inner peripheral part of the air suction port (51a) toward the inner peripheral side
  • the second extension part (54b) is The first extending portion (54a) is formed in a plate shape extending downward from the tip end portion.
  • the first extension part (54a) of the suspension support part (54) is spaced from the inner peripheral surface of the air suction port (51a) in the state where the first extension part (54a) stands up and down. It is formed in a pair of plate shape extended toward.
  • the second extension part (54b) of the suspension support part (54) is formed in a plate shape extending vertically, and both ends in the short direction thereof are the first extension part (54a) of the suspension support part (54). ).
  • the grill (52) is connected to the lower ends of the second extension portions (54b) of the four suspension support portions (54) and is arranged at the lower end portion of the air suction port (51a).
  • the four suspension support portions (54) are respectively disposed at the four corner portions of the grill (52).
  • the air suction port (51a) is formed in a rectangular shape in a plan view
  • the grill (52) is formed in a rectangular shape in a plan view.
  • the 1st extension part (54a) of the suspension support part (54) is extended toward the corner
  • the lower end of the second extension part (54b) of the suspension support part (54) is connected to the corner part of the grill (52).
  • the grill (52) is rounded with its four corners chamfered.
  • the 2nd extension part (54b) of the suspension support part (54) is curving so that the outer edge of a corner
  • the second extension part (54b) of the suspension support part (54) is connected to the outer edge of the corner of the grille (52), but the second extension part of the suspension support part (54)
  • the protruding portion (54b) may be connected to a portion inside the outer edge of the corner portion of the grill (52).
  • the plate member (53) is connected to the lower part of the first extension part (54a) of the four suspension support parts (54) and is arranged on the inner periphery of the air suction port (51a).
  • the lower part of the first extension portion (54a) of the four suspension support portions (54) is formed by four plate members (53) formed in a cylindrical shape (frame shape) having a square cross section. Connected to each corner.
  • the lower portion of the first extending portion (54a) of the suspension support portion (54) is formed in a shape corresponding to the outer peripheral surface of the plate member (53), and the outer peripheral surface of the plate member (53) is formed therebelow. Is connected.
  • the first extension part (54a) of the suspension support part (54) is formed in an arc shape whose lower part is concave with respect to the outer peripheral edge of the grill (52), and a plate member ( 53) is connected with the outer peripheral surface fitted.
  • a part of the panel body (51) (specifically, a part near the air suction port (51a)), a grille (52), a plate member (53), and four suspension support parts ( And 54) are integrally formed.
  • the filter (55) is provided above the air suction port (51a) of the panel body (51), and supplements dust in the air that has passed through the air suction port (51a). Is configured to do.
  • the filter (55) is formed in a square lattice frame shape in plan view, and is attached to the upper side of the central portion of the panel body (51) to cover the air suction port (51a).
  • the filter (55) is formed so that the area in plan view is equal to the opening area of the upper end of the air suction port (51a).
  • the filter (55) may be formed such that the area in plan view is larger than the opening area at the upper end of the air suction port (51a).
  • the four wind direction adjusting blades (56) are respectively provided at the lower ends of the four air outlets (51b) of the panel body (51) and flow through the air outlet (51b). It is configured to adjust the direction of air flow.
  • the wind direction adjusting blade (56) is formed in a plate shape extending along the longitudinal direction of the air outlet (51b), and swing shafts are provided at both ends in the longitudinal direction.
  • the wind direction adjusting blade (56) is supported by the panel body (51) so as to be swingable about the swing shaft.
  • FIG. 7 shows the longitudinal section of the decorative panel (50), and the upper part of FIG. 7 shows the main part of the decorative panel (50) viewed from above (near the air inlet (51a)).
  • the lower part of FIG. 7 shows the main part of the decorative panel (50) viewed from below.
  • illustration of a suspension support part (54), a filter (55), and a wind direction adjustment blade (56) is abbreviate
  • the opening area of the first suction opening (61) is larger than the opening area of the second suction opening (62).
  • the first suction opening (61) is provided with a right-up hatching with a narrow line interval
  • the second suction opening (62) is provided with a left-up hatching with a narrow line interval. Yes.
  • the opening area of the first opening (63) is wider than the opening area of the second opening (64).
  • the first opening (63) is a region surrounded by the upper edge of the plate member (53), and the second opening (64) is air-suctioned with the upper edge of the plate member (53) in plan view. It is a region sandwiched between the inner peripheral surface of the mouth (51a).
  • the first opening (63) is provided with a right-upward hatching with a wide line interval
  • the second opening (64) is provided with a left-upward hatching with a wide line interval. Yes.
  • ⁇ Ratio of opening area The ratio of the opening area of the first suction opening (61) to the second suction opening (62) is larger than the ratio of the opening area of the first opening (63) to the second opening (64). .
  • the ratio of the opening area of the first suction opening (61) to the second suction opening (62) is equivalent to the ratio of the opening area of the first opening (63) to the second opening (64). Also good.
  • the height of the lower edge of the plate member (53) is the same as the height of the lower end of the air suction port (51a). In addition, the height of the lower edge of the plate member (53) may be higher than the height of the lower end of the air suction port (51a). Moreover, in this example, as shown in the lower part of FIG. 7, the lower edge of the plate member (53) is more than the center line (CL) between the inner peripheral edge and the outer peripheral edge of the suction opening (60) in plan view. Located on the outer periphery. Moreover, in this example, as shown in the center part of FIG. 7, the height of the lower edge of the plate member (53) is the same as the height of the lower surface of the grill (52). In addition, the height of the lower edge of the plate member (53) may be higher than the height of the lower surface of the grill (52).
  • the state that the height of the lower edge of the plate member (53) is the same as the height of the lower end of the air inlet (51a) (or the height of the lower surface of the grill (52))
  • the height of the lower edge of the plate member (53) is the height of the lower end of the air inlet (51a) (or the height of the lower surface of the grill (52))
  • the state for example, the state where the height difference is about 5 mm or less) that is substantially the same is also included.
  • the upper edge of the plate member (53) overlaps with the outer peripheral edge of the grill (52) in plan view.
  • the upper edge of the plate member (53) may be located on the inner peripheral side of the outer peripheral edge of the grill (52) in plan view.
  • the plate member (53) is disposed on the inner periphery of the air suction port (51a) so that the upper edge thereof is located on the inner periphery side of the lower edge. Therefore, as shown in FIG. 3, when the indoor unit (10) provided on the ceiling (CE) is viewed from below, the internal parts of the indoor unit (10) from the suction opening (60) (in this example, the filter ( 55)) is difficult to see.
  • the upper edge of the plate member (53) overlaps with the outer peripheral edge of the grill (52) in a plan view, and the lower edge thereof is between the inner peripheral edge and the outer peripheral edge of the suction opening (60) in a plan view. It is arranged to be located. Therefore, when the indoor unit (10) is viewed from below, a region of the suction opening (60) located on the outer peripheral side of the lower edge of the plate member (53) in plan view (that is, the second suction opening (62)).
  • a part of the filter (55) is visible, but the region of the suction opening (60) located on the inner peripheral side of the lower edge of the plate member (53) in plan view (that is, the first suction opening) (61)), the remaining part of the filter (55) is hidden behind the plate member (53) and cannot be seen.
  • the air flowing into the inner peripheral side of the plate member (53) is guided toward the center of the air inlet (51a) along the inner peripheral surface of the plate member (53).
  • the air flows toward the upper end of the air inlet (51a).
  • the air that has passed through the first ventilation path (R1) passes through the central portion of the filter (55), passes through the bell mouth (34), and is sucked into the indoor fan (31).
  • the air flowing into the outer peripheral side of the plate member (53) does not significantly change the flow direction by the plate member (53), and the outer periphery of the plate member (53). It passes between the surface and the inner peripheral surface of the air suction port (51a) and flows toward the upper end of the air suction port (51a).
  • the air that has passed through the second ventilation path (R2) passes through the peripheral edge of the filter (55) (portion around the center), and then passes through the bell mouth (34) and is sucked into the indoor fan (31). .
  • the air sucked into the indoor fan (31) is blown out radially outward from the side of the indoor fan (31).
  • the air blown out from the indoor fan (31) exchanges heat with the refrigerant flowing through the indoor heat exchanger (32) when passing through the indoor heat exchanger (32).
  • the air that has passed through the indoor heat exchanger (32) is divided into four air outlets (33b) and flows downward through the four air outlets (33b).
  • the air that has passed through the four air outlets (33b) passes through the four suction communication ports (40a) and the four air outlets (51b) in order, and is blown out into the room.
  • the grill (52) is supported more firmly than when the grill (52) is suspended by the wire. be able to.
  • the grill (52) is connected to the air suction port (51a) so that the suction opening (60) is formed between the outer peripheral edge of the grill (52) and the opening edge of the air suction port (51a) in plan view.
  • the opening area of the suction opening (60) can be secured.
  • the grill (52) can be firmly supported while securing the opening area of the suction opening (60), and therefore, the grill (52) is suppressed while suppressing an increase in ventilation resistance in the suction opening (60). Can be stabilized.
  • the first extension part (54a) of the suspension support part (54) in a plate-like state standing up and down, an increase in ventilation resistance due to the arrangement of the suspension support part (54) is achieved. Can be suppressed. Thereby, the flow of the air which passes an air suction inlet (51a) can be made smooth.
  • the first extension part (54a) of the suspension support part (54) is formed in a single plate shape.
  • the connection strength between the first extension part (54a) of the suspension support part (54) and the panel body (51) and the first extension part (54a) and the second extension of the suspension support part (54) The connection strength between the projecting portion (54b) can be improved.
  • the 2nd extension part (54b) of the suspension support part (54) is formed in rod shape by forming the 2nd extension part (54b) of the suspension support part (54) in plate shape.
  • the connection area between the second extension part (54b) of the suspension support part (54) and the grill (52) can be made wider than the case.
  • connection strength between the suspension support part (54) and the grille (52) can be improved.
  • connection strength between the second extension portion (54b) and the connection strength between the suspension support portion (54) and the grill (52) can be improved, the support of the grill (52) can be improved. Stability can be improved.
  • the suspension support part (54) integrally with the panel body (51) and the grill (52), the connection strength between the suspension support part (54) and the panel body (51) and suspension The connection strength between the support portion (54) and the grill (52) can be improved. Thereby, the stability of the support of the grill (52) can be improved.
  • the suspension support portion (54) may be formed separately from the grill (52) while being formed integrally with the panel body (51), or may be formed integrally with the grill (52). On the other hand, it may be formed separately from the panel body (51).
  • the connection strength between the suspension support part (54) and the panel body (51) can be improved.
  • the portion (54) integrally with the grill (52) the connection strength between the suspension support portion (54) and the grill (52) can be improved. That is, the suspension support portion (54) is integrally formed with at least one of the panel body (51) and the grill (52), thereby connecting the suspension support portion (54) and the panel body (51). At least one of the strength and the connection strength between the suspension support portion (54) and the grill (52) can be improved, and the support stability of the grill (52) can be improved.
  • the grill (52) can be made more than when the suspension support portion (54) is disposed at the side of the grill (52). It can be firmly supported. Thereby, the stability of the support of the grill (52) can be improved.
  • the upper edge of the plate member (53) is located on the inner peripheral side with respect to the lower edge, the upper edge of the plate member (53) is located above the lower end of the air suction port (51a), and the plate member (53 )
  • the plate member (53) By providing the plate member (53) so that the lower edge surrounds the outer periphery of the grill (52) in plan view, while ensuring the opening area of the suction opening (60), the indoor unit ( The internal parts of 10) (in this example, the filter (55)) can be made difficult to see. Thereby, the design property of a decorative panel (50) can be improved, suppressing the increase in ventilation resistance in a suction opening (60).
  • a suspension support part (54) in the shape corresponding to the outer peripheral surface of a plate member (53), and connecting the outer peripheral surface of a plate member (53)
  • the connection area between the suspension support part (54) and the plate member (53) can be increased.
  • the suction port of the indoor fan (31) is a central portion of the indoor unit body (20) in a plan view (in this example, the central portion of the air introduction port (33a) formed in the drain pan (33)). ) In many cases. Therefore, by promoting the flow of air passing through the central portion of the air suction port (51a), it is possible to promote air suction by the indoor fan (31) in the indoor unit body (20). Thereby, the air suction efficiency in the indoor unit body (20) can be improved.
  • the plate member (53) is bent so as to be concave with respect to the outer peripheral edge of the grill (52), the plate member (53) is bent so as to be convex with respect to the outer peripheral edge of the grill (52).
  • the gap between the plate member (53) and the grille (52) can be secured wider.
  • the ventilation resistance in the inner peripheral side of a board member (53) can be reduced, and the flow of the air which passes the inner peripheral side of a board member (53) can be made smooth. Therefore, the flow of air passing through the central portion of the air suction port (51a) can be promoted.
  • the plate member (53) so that the lower edge of the plate member (53) divides the suction opening (60) into the first suction opening (61) and the second suction opening (62) in plan view.
  • the second ventilation path that passes through the outer peripheral side of the plate member (53) inside the air inlet (51a) ( R2) can be configured.
  • the air flowing into the outer peripheral side of the plate member (53) is not significantly changed in the flow direction by the plate member (53), and the air inlet (51a) It flows toward the top. That is, the ventilation resistance in the second ventilation path (R2) is lower than the ventilation resistance in the first ventilation path (R1).
  • the air sucked from the suction opening (60) is plate member (53). Ventilation resistance at the air inlet (51a) can be reduced compared to the case where only the inner peripheral side of the air is passed (that is, when only the first ventilation path (R1) is formed), and the air inlet ( The flow of air passing through 51a) can be smoothed.
  • the ventilation resistance at the air inlet (51a) the work required to suck air in the indoor unit body (20) (specifically, the rotational speed of the indoor fan (31)) is reduced. be able to. Thereby, the noise in the indoor unit (10) (specifically, the operating sound of the indoor fan (31)) can be reduced.
  • the plate member (53) is provided with a plate member (53) so that the lower edge of the plate member (53) divides the suction opening (60) into a first suction opening (61) and a second suction opening (62) in plan view.
  • the air that has passed through the second ventilation path (R2) is supplied to the peripheral portion of the filter (55) (for example, the portion hidden by the plate member (53) when the indoor unit (10) is viewed from below).
  • the ventilation resistance at the inlet of the first ventilation path (R1) is reduced to the second ventilation path (R2).
  • the ventilation resistance at the outlet of the first ventilation path (R1) is reduced to the second ventilation path (R2). ) Can be made lower than the draft resistance at the outlet.
  • the ratio of the opening area of the first suction opening (61) to the second suction opening (62) is greater than or equal to the ratio of the opening area of the first opening (63) to the second opening (64). If this is not the case (that is, the ratio of the opening area of the first suction opening (61) to the second suction opening (62) is the opening area of the first opening (63) relative to the second opening (64)).
  • the flow of the air passing through the first ventilation path (R1) can be made smoother than when the ratio is smaller than the above-mentioned ratio. Thereby, the flow of the air which passes the center part of an air suction inlet (51a) can be promoted.
  • the height of the lower edge of the plate member (53) is made equal to the height of the lower end of the air suction port (51a) or higher than the height of the lower end of the air suction port (51a).
  • the plate member (53) can be made less noticeable than when the lower edge protrudes downward from the air inlet (51a). Thereby, the designability of a decorative panel (50) can be improved.
  • the plate member (53) is provided so that the lower edge of the plate member (53) is located on the outer peripheral side with respect to the center line (CL) between the inner peripheral edge and the outer peripheral edge of the suction opening (60) in plan view. Therefore, the lower edge of the suction opening (60) and the lower part of the plate member (53) are lower than when the lower edge of the plate member (53) is located on the inner peripheral side of the center line (CL) in plan view.
  • the gap between the edges can be narrowed. Thereby, since the internal components of the indoor unit (10) can be hardly seen from the suction opening (60), the design of the decorative panel (50) can be improved.
  • the plate member (53) so that the upper edge of the plate member (53) overlaps with the outer peripheral edge of the grill (52) in a plan view or is located on the inner peripheral side of the outer peripheral edge of the grill (52).
  • the indoor unit (10) is viewed in plan view from below, the internal parts of the indoor unit (10) in the area of the suction opening (60) located on the inner peripheral side of the lower edge of the plate member (53) can be invisible. Thereby, the designability of a decorative panel (50) can be improved.
  • the grill (52) is provided below the panel body (51) by providing the grill (52) so that the lower surface of the grill (52) has the same height as the lower end of the air inlet (51a).
  • the sense of unity (flat impression) between the panel main body (51) and the grill (52) can be enhanced as compared with the case of protruding. Thereby, the designability of a decorative panel (50) can be improved.
  • the plate member (53) As shown in FIG. 9, as the plate member (53) moves from the lower edge to the upper edge, the radius of curvature (CR) of the plate member (53) centering on the outer periphery of the grill (52) gradually increases. As such, the plate member (53) may be configured.
  • the inner peripheral surface of the plate member (53) when the curvature radius of the plate member (53) is the same from the upper edge to the lower edge of the plate member (53) is indicated by a two-dot chain line. Yes.
  • the distance between the plate member (53) and the grill (52) can be gradually widened from the lower edge to the upper edge of the plate member (53).
  • the ventilation resistance on the inner peripheral side of the plate member (53) can be gradually lowered, and the inner peripheral side of the plate member (53) is reduced.
  • the flow of air passing therethrough (that is, the flow of air passing through the first ventilation path (R1)) can be made smooth. Therefore, the flow of air passing through the central portion of the air suction port (51a) can be promoted.
  • the plate member (53) may be formed to be bent (or bent) into an L shape that is concave with respect to the outer peripheral edge of the grill (52). Or as shown in FIG. 11, the plate member (53) may be formed so as to incline linearly upward from the outer peripheral side of the air suction port (51a) toward the inner peripheral side.
  • the air flowing into the inner peripheral side of the plate member (53) can be guided toward the center of the air suction port (51a), and the central portion of the air suction port (51a) can be guided.
  • the flow of air passing therethrough can be promoted.
  • the plate member (53) When the plate member (53) is bent so as to be concave with respect to the outer peripheral edge of the grill (52) (FIGS. 2, 9, and 10), the plate member (53) is connected to the air suction port (51a). ), The gap between the plate member (53) and the grille (52) can be ensured wider than the case where it is linearly inclined upward from the outer peripheral side to the inner peripheral side (FIG. 11).
  • the grill (52) is provided at the lower end of the air inlet (51a) so that the lower surface of the grill (52) is higher than the lower end of the air inlet (51a). Also good.
  • the lower surface of the grill (52) is formed into a flat surface, and the lower surface is parallel to the lower surface of the panel body (51).
  • the sense of unity between the panel main body (51) and the grill (52) can be enhanced as compared with the case where the grill (52) protrudes below the panel main body (51).
  • the four suspension support portions (54) may be disposed on four sides of the grill (52) (in this example, the center of the four sides).
  • the air suction port (51a) is formed in a rectangular shape in plan view
  • the grill (52) is formed in a rectangular shape in plan view.
  • the 1st extension part (54a) of the suspension support part (54) is extended toward the side part of a grille (52) from the side part of an air suction inlet (51a) in planar view.
  • the lower end of the second extension part (54b) of the suspension support part (54) is connected to the side part of the grill (52).
  • the 2nd extension part (54b) of a suspension support part (54) may be connected to the outer edge of the side part of a grill (52), and is more than an outer edge among the side parts of a grille (52). It may be connected to the inner part.
  • the lower part of the first extension part (54a) of the suspension support part (54) is respectively connected to the four side parts of the plate member (53) formed in a cylindrical shape (frame shape) having a square cross section. It is connected.
  • the side part of the air suction port (51a) is a part along the side of the air suction port (51a) in the inner peripheral edge of the air suction port (51a) formed in a rectangular shape in plan view. It is a portion excluding the four corners of the air suction port (51a) (the portion including the corners of the air suction port (51a)) of the inner peripheral edge of the air suction port (51a).
  • the side portion of the grill (52) is a portion along the side of the grill (52) in the outer peripheral portion of the grill (52) formed in a rectangular shape in plan view.
  • 52) is a portion excluding the four corners of the grill (52) (the portion including the corner of the grill (52)) of the outer peripheral edge of 52).
  • the side part of a plate member (53) is a part along the side of the plate member (53) formed in the rectangular frame shape in planar view, and the corner
  • the suspension support part (54) may be formed in one plate shape.
  • the first extension part (54a) of the suspension support part (54) is a single plate extending from the inner peripheral surface of the air suction port (51a) toward the inner peripheral side in an upright state. Is formed.
  • the second extension portion (54b) of the suspension support portion (54) is formed in a plate shape extending vertically, and one end portion in the short direction thereof is the first extension portion (54a) of the suspension support portion (54). ) Is connected to the tip.
  • the first extending portion (54a) of the suspension support portion (54) is formed in a single plate-like shape in the up-and-down state, thereby resulting in the arrangement of the suspension support portion (54). Increase in ventilation resistance can be suppressed. Thereby, the flow of the air which passes an air suction inlet (51a) can be made smooth.
  • the 2nd extension part (54b) of the suspension support part (54) is formed in rod shape by forming the 2nd extension part (54b) of the suspension support part (54) in plate shape.
  • the connection area between the second extension part (54b) of the suspension support part (54) and the grill (52) can be made wider than the case. Thereby, since the connection strength between the suspension support part (54) and the grill (52) can be improved, the support stability of the grill (52) can be improved.
  • the suspension support portion (54) may be formed separately from the panel body (51) and the grill (52).
  • the suspension support portion (54) is connected to the panel body (51) and the grill (52) by claw fitting.
  • the first extending portion (54a) of the suspension support portion (54) is directed from the inner peripheral surface of the air suction port (51a) toward the inner peripheral side with the plate surface facing up and down.
  • the base end portion is formed with a concave portion that is recessed downward.
  • the second extension part (54b) of the suspension support part (54) extends from the tip end part of the first extension part (54a) of the suspension support part (54) to the inner peripheral side with the plate surface facing up and down. It is formed in a plate shape that is inclined downward, and is bent in an L shape so that its tip end portion is parallel to the upper surface of the grill (52).
  • the panel body (51) is provided with an extending piece (51c) extending from the inner peripheral surface of the air suction port (51a) to the inner peripheral side.
  • the grille (52), the plate member (53), and the suspension support part (54) are respectively provided with a first engagement claw (71), a second engagement claw (72), and a third engagement that protrude upward.
  • a claw (73) is provided.
  • the first engagement claw (71) is provided at the corner of the grill (52)
  • the second engagement claw (72) is provided at the corner of the plate member (53)
  • the third The engagement claw (73) is provided in a recess formed in the base end portion of the first extension portion (54a) of the suspension support portion (54).
  • the third engaging claw (73) has a trunk portion (70a), a neck portion (70b), and a head portion (70c).
  • the trunk portion (70a) is formed in a columnar shape protruding upward.
  • the neck (70b) is formed in a columnar shape whose diameter is smaller than the diameter of the body (70a).
  • the head (70c) is formed in a truncated cone shape having a diameter larger than the diameter of the neck (70b) at the base end and gradually decreasing from the base end toward the tip.
  • the slit along the protrusion direction is formed in the 3rd engagement nail
  • the 3rd engaging claw (73) is comprised so that the diameter can be reduced by elastic deformation.
  • the first engagement claw (71) and the second engagement claw (72) have the same configuration as the third engagement claw (73).
  • the suspension support portion (54) is provided with first and second engagement holes (76, 77) penetrating vertically corresponding to the first and second engagement claws (71, 72),
  • the extending piece (51c) is provided with a third engaging hole (78) penetrating vertically corresponding to the third engaging claw (73).
  • the first engagement hole (76) is provided at the tip of the second extension part (54b) of the suspension support part (54), and the second engagement hole (77) is suspended. It is provided in the intermediate part of the 1st extension part (54a) of a support part (54).
  • the suspension support portion (54) separately from the panel body (51) and the grill (52), the panel body (51), the grill (52), and the suspension support portion (54). Can be manufactured individually. Thereby, manufacture of a decorative panel (50) can be made easy.
  • suspension support portion (54), the panel body (51), and the grill (52) are connected by connecting the suspension support portion (54) to the panel body (51) and the grill (52) by claw fitting. Can be connected easily. Thereby, the assembly of the decorative panel (50) can be facilitated.
  • the suspension support part (54) is connected to the panel body (51) by claw fitting, while being connected to the grill (52) by other means (for example, screwing or integral formation). Alternatively, it may be connected to the grill (52) by claw fitting while being connected to the panel body (51) by other means.
  • the suspension support part (54) By connecting the suspension support part (54) to the panel body (51) by claw fitting, the suspension support part (54) and the panel body (51) can be easily connected, and the suspension support part By connecting (54) to the grill (52) by claw fitting, the suspension support portion (54) and the grill (52) can be easily connected. That is, the suspension support portion (54) is connected to at least one of the panel body (51) and the grill (52) by claw fitting, thereby connecting the suspension support portion (54) and the panel body (51). In addition, at least one of the connection between the suspension support portion (54) and the grill (52) can be facilitated, and the assembly of the decorative panel (50) can be facilitated.
  • the color of the suspension support part (54) is the panel body (51) and the grill (52 ) Is darker than the color of the color (for example, black).
  • the suspension support portion (54) may be connected to the panel body (51) and the grill (52) by screwing.
  • First to third projections (81 to 83) and first to third insertion holes (86 to 88) penetrating vertically corresponding to the first to third projections (81 to 83) are provided. Yes.
  • Other configurations are the same as those shown in FIGS. 15 and 16.
  • the first protrusion (81) is provided at the corner of the grill (52), the second protrusion (82) is provided at the corner of the plate member (53), and the third protrusion (83) is It is provided in a recess formed in the base end portion of the first extension portion (54a) of the suspension support portion (54).
  • the first to third protrusions (81 to 83) are formed with first to third screw holes (81a to 83a) that open upward.
  • the first insertion hole (86) is provided at the distal end portion of the second extension part (54b) of the suspension support part (54), and the second insertion hole (87) is the first part of the suspension support part (54).
  • the third insertion hole (88) is provided in the extension piece part (51c), and is provided in an intermediate part of the one extension part (54a).
  • the first insertion hole (86) and the first screw hole (81a) are communicated, and the first screw (91) is inserted into the first insertion hole (86) and fastened to the first screw hole (81a).
  • the grill (52) is attached to the suspension support part (54), the second insertion hole (87) and the second screw hole (82a) are communicated, and the second screw (92) is connected to the second insertion hole.
  • the plate member (53) is attached to the suspension support portion (54) by being inserted into (87) and fastened to the second screw hole (82a), and the third insertion hole (88) and the third screw hole ( 83a), the third screw (93) is inserted into the third insertion hole (88) and fastened to the third screw hole (83a), so that the suspension support (54 ) Is attached.
  • the suspension support portion (54), the panel body (51), and the grille (52) are connected by screwing the suspension support portion (54) to the panel body (51) and the grille (52). Can be easily attached and detached. Thereby, assembly and disassembly of the decorative panel (50) can be facilitated.
  • the suspension support portion (54) may be connected to the panel body (51) by screwing while being connected to the grill (52) by other means (for example, claw fitting or integral formation). Alternatively, it may be connected to the grill (52) by screwing while being connected to the panel body (51) by other means.
  • the suspension support part (54) and the grille (52) can be easily attached and detached by connecting 54) to the grille (52) by screwing. That is, by attaching the suspension support portion (54) to at least one of the panel body (51) and the grill (52) by screwing, the suspension support portion (54) and the panel body (51) can be attached and detached. At least one of attachment / detachment of the suspension support portion (54) and the grill (52) can be facilitated, and assembly and disassembly of the decorative panel (50) can be facilitated.
  • FIG. 19 shows a configuration example of the indoor unit (10) of the air conditioner according to the second embodiment.
  • the indoor unit (10) of the second embodiment is different from the indoor unit (10) of the first embodiment in the structure of the decorative panel (50).
  • the other structure of the indoor unit (10) of Embodiment 2 is the same as that of the indoor unit (10) of Embodiment 1.
  • FIG. 19 is a longitudinal sectional view showing a longitudinal section of the indoor unit (10) according to the second embodiment, and corresponds to the longitudinal sectional view taken along the line II-II in FIG.
  • the decorative panel (50) of the second embodiment includes the structure of the air inlet (51a) of the panel body (51), the structure of the grill (52), and the suspension support portion (54). This structure is different from the decorative panel (50) of the first embodiment.
  • the other structure of the decorative panel (50) of Embodiment 2 is the same as that of the decorative panel (50) of Embodiment 1.
  • FIG. 20 is an enlarged partial perspective view of the suspension support portion (54) as viewed obliquely from above.
  • FIG. 21 is an enlarged view of the vicinity of the suspension support portion (54) in the longitudinal section of the decorative panel (50) along the extending direction of the first extension portion (54a) of the suspension support portion (54).
  • FIG. 6 is a partial vertical cross-sectional view corresponding to a partial vertical cross-sectional view taken along line VI-VI in FIG.
  • the air suction port (51a) of the panel body (51) is configured such that its opening area gradually increases as it goes from the upper end to the lower end.
  • the air suction port (51a) is bent so that its inner peripheral surface is concave with respect to the outer peripheral edge of the grill (52).
  • a fixed base (101) is provided at the corner (the corner in plan view) at the upper end of the inner peripheral surface of the air suction port (51a).
  • the fixed base portion (101) is formed in a triangular plate shape, and projects from the upper end corner of the inner peripheral surface of the air suction port (51a) to the outer peripheral side. That is, the fixed base portion (101) is a portion that is continuous with the inner peripheral surface of the air suction port (51a).
  • the fixed base (101) is provided with a recess (101a).
  • the recessed portion (101a) is recessed downward so that the base end portion of the first extending portion (54a) can be accommodated.
  • the height of the lower surface of the grill (52) is the same as the height of the lower end of the inner peripheral surface of the air suction port (51a), and the height of the lower edge of the plate member (53) is The height of the lower end of the inner peripheral surface of the air suction port (51a) is higher. Further, the upper end of the inner peripheral surface of the air suction port (51a) is located on the outer peripheral side of the lower edge of the plate member (53) in plan view.
  • a protrusion (102) and a locking rod (103) are provided at the corner of the grill (52).
  • the protrusion (102) protrudes upward from the grill (52).
  • the locking rod (103) is located on the inner peripheral side with respect to the protrusion (102).
  • the locking rod (103) protrudes upward from the grill (52), and its tip is L-shaped toward the inner peripheral side so that it can be hooked into a locking hole (104) described later. Is bent.
  • the suspension support part (54) is formed integrally with the plate member (53).
  • the suspension support portion (54) is connected to the panel body (51) by screwing, and is connected to the grill (52) by hooking and screwing.
  • the first extending portion (54a) extends from the inner peripheral portion of the air suction port (51a) (in this example, the fixed base portion (101a) of the air suction port (101)) to the inner peripheral side.
  • the first extending portion (54a) is formed in a plate shape extending from the concave portion (101a) of the fixed base portion (101) toward the inner peripheral side with the plate surface facing up and down. Specifically, as shown by a two-dot chain line in FIG. 20, the first extending portion (54a) is directed from the recessed portion (101a) of the fixed base portion (101) toward the lower edge of the plate member (53).
  • the base end portion of the first extension portion (54a) is formed in a triangular shape in plan view, and the recess portion (101a) of the fixed base portion (101) is the first extension portion (54a). It is formed in a shape (specifically, a triangular shape) corresponding to the shape of the base end portion.
  • the first extension portion (54a) is attached to the fixing base portion (101) by the first fixing screw (111) in a state where the base end portion is accommodated in the concave portion (101a) of the fixing base portion (101). Fixed and connected.
  • the first fixing screw (111) passes through the base end portion of the first extending portion (54a) housed in the concave portion (101a) of the fixing base portion (101), and the concave portion (101a of the fixing base portion (101). ) Is fastened to the bottom.
  • the second extension part (54b) extends downward from the tip of the first extension part (54a).
  • the second extending portion (54b) is formed in a plate shape extending obliquely downward from the tip end portion of the first extending portion (54a) toward the inner peripheral side with the plate surface facing up and down.
  • the front end portion (lower end portion) is bent in an L shape so as to be parallel to the upper surface of the grill (52).
  • a locking hole (104) is provided at the tip of the second extending portion (54b).
  • the locking hole (104) is disposed at a position corresponding to the locking rod (103) of the grill (52), and the second extension extends so that the locking rod (103) of the grill (52) can be hooked.
  • the tip part of the part (54b) penetrates up and down.
  • the second extending portion (54b) has a distal end portion of the second extending portion (54b) with a second fixing screw (104) in a state where the engaging hook (103) of the grille (52) is hooked in the engaging hole (104) of the distal end portion. 112) and fixedly connected to the protrusion (102) of the grill (52).
  • the second fixing screw (112) passes through the tip of the second extension (54b) placed on the protrusion (102) of the grill (52) and is fastened to the protrusion (102).
  • the air suction port (51a) by configuring the air suction port (51a) so that the opening area of the air suction port (51a) gradually increases from the upper end toward the lower end, the interior of the indoor unit (10) from the suction opening (60)
  • the opening area of the suction opening (60) can be increased while making it difficult to see the component (in this example, the filter (55)).
  • the ventilation resistance in a suction opening (60) can be reduced, ensuring the designability of a decorative panel (50).
  • the second extension portion (54b) is formed by forming the second extension portion (54b) so as to extend obliquely downward from the tip end portion of the first extension portion (54a) toward the inner peripheral side. Is less visible from the suction opening (60) than the second extension part (54b) of the suspension support part (54b) than when the first extension part (54a) extends vertically downward. can do. Thereby, the designability of a decorative panel (50) can be improved.
  • the grill (52) and the suspension support portion (54) can be connected to each other by providing the engagement rod (103) on the grill (52) and the engagement hole (104) in the suspension support portion (54).
  • the grill (52) and the suspension support portion (54) can be screwed in the stopped state (that is, the temporarily fixed state). Thereby, screwing of a grill (52) and a suspension support part (54) can be made easy.
  • suspension support portion (54) may be connected to the panel body (51) by means different from screwing (for example, claw fitting or integral formation).
  • suspension support part (54) may be connected to the grille (52) by means different from tacking or screwing.
  • the air suction port (51a) may be configured such that the upper end of the inner peripheral surface thereof overlaps with the lower edge of the plate member (53) in plan view, and the upper end of the inner peripheral surface in plan view. You may be comprised so that it may be located in an inner peripheral side rather than the lower edge of a plate member (53). With this configuration, when the indoor unit (10) provided on the ceiling (CE) is viewed from below, the upper end of the inner peripheral surface of the air suction port (51a) and the lower edge of the plate member (53) The internal parts (in this example, the filter (55)) of the indoor unit (10) can be made difficult to see from between the two. Thereby, the designability of a decorative panel (50) can be improved.
  • the opening width of the second suction opening (62) (that is, the distance between the lower edge of the plate member (53) and the opening edge of the air suction opening (51a)) is such that air passes through the second suction opening (62). It is preferable that the setting is made so that wind noise does not occur.
  • the opening width of the second suction opening (62) is the opening width of the suction opening (60) (that is, the distance between the outer peripheral edge of the grill (52) and the opening edge of the air suction opening (51a)). It is preferable to set it to 1/4 or more.
  • a soundproof member (not shown) may be provided on the upper surface of the grill (52). By comprising in this way, the leakage of the sound from the inside of an indoor unit (10) to the downward direction can be suppressed, and the noise in an indoor unit (10) can be reduced.
  • the soundproof member may be made of a sound insulating material or a sound absorbing material.
  • the upper surface of the grill (52) may be formed in a conical shape that gradually increases from the outer peripheral edge of the grill (52) toward the center (for example, a quadrangular pyramid having a square bottom surface).
  • the height of the lower surface of the grill (52) is the same as the height of the lower end of the air inlet (51a) or higher than the height of the lower end of the air inlet (51a). As described above, the height of the lower surface of the grill (52) may be lower than the height of the lower end of the air suction port (51a). Even in such a configuration, by providing the plate member (53), the internal parts of the indoor unit (10) (for example, the filter (55) are secured from the suction opening (60) while securing the opening area of the suction opening (60). )) Can be made difficult to see.
  • the case where the lower edge of the plate member (53) divides the suction opening (60) into the first suction opening (61) and the second suction opening (62) in a plan view is taken as an example.
  • the board member (53) is provided so that the lower edge may not partition the suction opening (60) into the 1st suction opening (61) and the 2nd suction opening (62) in plane view Good.
  • the lower edge of the plate member (53) may be connected to the inner peripheral surface of the air suction port (51a).
  • the suction opening (60) is not partitioned. Also when comprised in this way, it is possible to make it difficult to see the internal components of the indoor unit (10) from the suction opening (60) while ensuring the opening area of the suction opening (60).
  • the plate member (53) may be constituted by a plurality of constituent plates arranged along the inner periphery of the air suction port (51a).
  • the plate member (53) shown in FIG. 4 may be constituted by four component plates extending along the four inner walls of the air suction port (51a).
  • the plurality of component plates may be arranged along the inner periphery of the air suction port (51a) with a gap between them.
  • the plate member (53) may be configured by arranging.
  • the plate member (53) may be configured to extend intermittently along the inner periphery of the air suction port (51a). Also when comprised in this way, it can make it difficult to see the internal component of an indoor unit (10) from suction opening (60), ensuring the opening area of suction opening (60).
  • the plate member (53) has the air suction port (51a). It may be partially provided on a part of the inner periphery of the. Also when comprised in this way, it can make it difficult to see the internal component of an indoor unit (10) from suction opening (60), ensuring the opening area of suction opening (60).
  • the indoor unit (10) does not include the chamber (40). May be.
  • the air inlet (51a) and the air outlet (51b) of the decorative panel (50) are respectively connected to the air inlet (33a) and the air outlet (33b) of the drain pan (33). It is provided below the indoor unit body (20) (specifically, below the drain pan (33)) so as to communicate.
  • the indoor unit described above is useful as an indoor unit of an air conditioner provided on a ceiling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

Selon l'invention, une partie de support de suspension (54) est pourvu : d'une première partie d'extension (54a), qui s'étend de manière périphérique vers l'intérieur à partir de la périphérie interne d'un orifice d'admission d'air (51a) ; d'une seconde partie d'extension (54b), qui est formée en une seule pièce avec la première partie d'extension (54a) et qui s'étend vers le bas à partir de la pointe de la première partie d'extension (54a). Une grille (52) est reliée au bord inférieur de la seconde partie d'extension (54b) de la partie de support de suspension (54), est disposée sur la section de bord inférieur de l'orifice d'admission d'air (51a) et recouvre la section centrale de l'orifice d'admission d'air (51a), de telle sorte qu'une ouverture d'admission (60) est formée entre le bord périphérique externe de la grille (52) et le bord d'ouverture de l'orifice d'admission d'air (51a) dans une vue en plan.
PCT/JP2015/004536 2014-09-30 2015-09-07 Climatiseur intérieur WO2016051675A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15848010.3A EP3199882B1 (fr) 2014-09-30 2015-09-07 Climatiseur intérieur
AU2015326324A AU2015326324B2 (en) 2014-09-30 2015-09-07 Air conditioner indoor unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014200368 2014-09-30
JP2014-200368 2014-09-30

Publications (1)

Publication Number Publication Date
WO2016051675A1 true WO2016051675A1 (fr) 2016-04-07

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Country Link
EP (1) EP3199882B1 (fr)
JP (1) JP6004062B2 (fr)
AU (1) AU2015326324B2 (fr)
WO (1) WO2016051675A1 (fr)

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CN109751664A (zh) * 2019-01-29 2019-05-14 青岛海信日立空调系统有限公司 空调器

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JPH02116622U (fr) * 1989-03-03 1990-09-18
JPH07158923A (ja) * 1993-12-02 1995-06-20 Mitsubishi Electric Corp 送風装置及び該装置の吸込パネル並びに該装置の整流ガイド
JP2008051414A (ja) * 2006-08-25 2008-03-06 Hitachi Appliances Inc 空気調和機用室内機
US20100175418A1 (en) * 2009-01-09 2010-07-15 Lg Electronics Inc. Air conditioner
JP2013108715A (ja) * 2011-11-24 2013-06-06 Daikin Industries Ltd 天井埋込型の室内機

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KR20100073121A (ko) * 2008-12-22 2010-07-01 엘지전자 주식회사 천장형 공기조화기
KR101045380B1 (ko) * 2008-12-23 2011-06-30 엘지전자 주식회사 천장형 공기조화기
KR101065830B1 (ko) * 2008-12-29 2011-09-20 엘지전자 주식회사 천장형 공기조화기

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JPH02116622U (fr) * 1989-03-03 1990-09-18
JPH07158923A (ja) * 1993-12-02 1995-06-20 Mitsubishi Electric Corp 送風装置及び該装置の吸込パネル並びに該装置の整流ガイド
JP2008051414A (ja) * 2006-08-25 2008-03-06 Hitachi Appliances Inc 空気調和機用室内機
US20100175418A1 (en) * 2009-01-09 2010-07-15 Lg Electronics Inc. Air conditioner
JP2013108715A (ja) * 2011-11-24 2013-06-06 Daikin Industries Ltd 天井埋込型の室内機

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Publication number Priority date Publication date Assignee Title
CN109751664A (zh) * 2019-01-29 2019-05-14 青岛海信日立空调系统有限公司 空调器

Also Published As

Publication number Publication date
AU2015326324B2 (en) 2018-05-10
EP3199882A4 (fr) 2018-06-06
AU2015326324A1 (en) 2017-05-18
EP3199882B1 (fr) 2024-04-17
EP3199882A1 (fr) 2017-08-02
JP6004062B2 (ja) 2016-10-05
JP2016070653A (ja) 2016-05-09

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