JP2005069586A - Ceiling cassette type air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that air-flow resistance of air blown from each corner part of air blowing paths increases, reducing a volume of air, and increasing noises by the air blowing to openings formed at four directions. <P>SOLUTION: This ceiling cassette type air conditioner comprises intake ports 1 opened to a bottom face side, blowing ports 2 formed approximately symmetrically around the intake ports, a blower fan 3, a heat exchanger 4 arranged around a centrifugal direction of the blower fan, side walls 5 arranged around the heat exchanger 4, a top face part 6 covering the top face side of the blower fan in contact with the side walls, and a bottom face part 7 constituted to cover the bottom part of the heat exchanger. It is equipped with a partition part 8 standing in a blowing direction adjacent to the side walls 4, and a second partition part communicated with the partition part 8 to form a blow path 9. The air blown from each corner part is not rushing to the openings by the partition part 8, or the blow-out flow of each corner part is blown to the blow-out port 2 by the blow path 9 without resistance. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

The present invention relates to a ceiling cassette type air conditioner that is embedded in a ceiling surface, and more particularly to the structure of a blower circuit of the indoor unit.

  The structure of a conventional ceiling cassette type air conditioner will be described (Patent Document 1, etc.).

As shown in FIG. 11, the suction port 1 opened on the lower surface side, the blowout port 2 provided substantially symmetrically around the suction port, the blower fan 3, and the centrifugal fan are disposed around the centrifugal direction. A heat exchanger 4; a side wall portion 5 disposed around the heat exchanger; an upper surface portion 6 that contacts the side wall portion and covers the upper surface of the blower fan; It is comprised from the bottom face part 7 comprised so that the container lower part might be covered.
Japanese Patent Laid-Open No. 10-19370

  However, as described above, in the conventional configuration, the wind blown from each corner portion of the blowout air passage is blown over the openings provided in the four directions, thereby increasing the ventilation resistance, reducing the air flow performance and increasing the noise. There is a problem that it may occur.

  The present invention solves the above-described conventional problems, and an object thereof is to provide a ceiling cassette-type air conditioner that prevents an increase in noise due to a blow-in flow from each corner portion of the blow-out air passage and has an improved air volume performance. And

  In order to solve the above-described conventional problems, the ceiling cassette type air conditioner of the present invention includes a partition portion that rises in the blowing direction in the vicinity of the side wall portion, and a second partition portion that continuously forms the air passage in the partition portion. It is what has.

  As a result, the wind blown out from each corner portion is not blown over the opening by the partition portion, and the blowout flow of each corner portion is blown out to the blowout port by the air passage without causing resistance, so noise caused by the blown flow The air flow performance is not reduced.

  The ceiling cassette type air conditioner of the present invention can prevent an increase in noise due to the blowing flow from each corner portion of the blowing air passage, and can prevent the air flow performance from being lowered.

The first embodiment includes a suction port opened on the lower surface side, a blowout port provided substantially symmetrically around the suction port, a blower fan, and a heat exchanger disposed around the centrifugal direction of the blower fan. A side wall portion disposed around the heat exchanger, an upper surface portion that contacts the side wall portion and covers the upper surface of the blower fan, and abuts on the side wall portion so as to cover the lower side of the heat exchanger. In the ceiling cassette type air conditioner having a configured bottom surface portion, the heat exchanger has at least one corner portion at a portion facing the adjacent corner portion of the outlet, and the corner and outlet And the air blown from each corner portion is opened by the partition portion by installing a partition portion that partitions between the air outlet and the air passage that communicates with the partition portion and guides the air blown from the corner portion to the outlet port side. Without blowing part , For blowing the air passage without becoming a resistance to blow a stream of blowing mouths of each corner, and prevent an increase in noise due to blowing flow, air volume performance obtain an effect does not decrease. The side wall portion, the upper surface portion, and the lower surface portion are composed of a resin plate at the portion where the heat insulating material and the heat exchanger face each other, and when the heat insulating material is arranged on the outer side, a hollow layer is formed to take a heat insulating structure In the second embodiment including the case, the surface constituting the air flow path includes at least one of the upper surface portion and the side wall portion in a part thereof, so that the wind blown out from each corner portion is directed to the opening portion by the partition portion. Without blowing, since the blowout flow of each corner portion is blown out to the blowout opening by the blower passage, an increase in noise due to the blown flow is prevented, and the air volume performance is not deteriorated.

  In the third embodiment, the side wall portion is made of a heat insulating material disposed on the outer peripheral side of the heat exchanger, so that the air blown from each corner portion is not blown into the opening portion by the partition portion. In addition, since the blowout flow of each corner portion is blown out to the blowout opening by the blower path, an increase in noise due to the blown flow is prevented, and the air volume performance is not deteriorated.

  In the fourth embodiment, the bottom surface portion is made of a heat insulating material disposed on the lower side of the heat exchanger, so that the air blown from each corner portion is not blown into the opening portion by the partition portion. In addition, since the blowout flow of each corner portion is blown out to the blowout opening by the blower path, an increase in noise due to the blown flow is prevented, and the air volume performance is not deteriorated.

  In the fifth embodiment, since the partition part and the air passage are integrally formed on the side wall part, the air blown from each corner part is not blown over the opening part by the partition part, and each air is sent by the air passage. Since the blowout flow at the corner portion is blown out without resistance to the blowout port, an increase in noise due to the blow-in flow is prevented, and the air volume performance is not deteriorated.

  In the sixth embodiment, since the partition portion and the air passage are integrally formed on the bottom surface portion, the air blown from each corner portion is not blown over the opening portion by the partition portion, and each air flow is made by the air passage. Since the blowout flow at the corner portion is blown out without resistance to the blowout port, an increase in noise due to the blow-in flow is prevented, and the air volume performance is not deteriorated.

  In the seventh embodiment, the side wall portion and the bottom surface portion are integrally formed, and the partition portion and the air passage are formed integrally with the integrally formed side wall portion and bottom surface portion, so that each corner portion is formed. The air blown out from the opening is not blown over the opening by the partition part, and since the blowout flow of each corner part is blown out without resistance to the blowout port by the blower path, the increase in noise due to the blown flow is prevented, The effect that the air flow performance does not decrease is obtained.

  In the eighth embodiment, since the air outlet is configured such that the outlet side end faces the opening of the outlet, the air blown from each corner is blown into the opening by the partition. In addition, since the blowout flow at each corner is blown out to the blowout port by the blower passage without causing resistance, an increase in noise due to the blown flow is prevented, and the air volume performance is not lowered.

  In the ninth embodiment, the partition portion is configured to contact the heat exchanger via the cushioning material, so that the heat exchanger can be assembled without damaging the partition portion, and the wind blown from each corner portion is , Without blowing through the opening by the partition part, and because the blowout flow of each corner part is blown out to the blowout opening by the air blowing path, the increase of noise due to the blown flow is prevented, and the air flow performance does not deteriorate Get the effect.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is an exploded view of a ceiling cassette type air conditioner according to a first embodiment of the present invention.

  In FIG. 1, a suction port 1 opened on the lower surface side, a blowout port 2 provided substantially symmetrically around the suction port, a blower fan 3, and a heat exchanger disposed around the centrifugal direction of the blower fan. 4, a side wall portion 5 disposed around the heat exchanger 4, an upper surface portion 6 that abuts against the side wall portion and covers the upper surface side of the blower fan, abuts on the side wall portion, and below the heat exchanger And a bottom surface portion 7 configured to cover the surface.

  FIG. 2 is a partial cross-sectional view of the ceiling cassette type air conditioner according to the first embodiment of the present invention.

  In FIG. 2, the heat exchanger 4 has at least one corner portion at a portion facing the adjacent corner portion of the outlet 2, and a partition portion 8 that partitions between the corner and the outlet, An air passage 9 is formed which communicates with the partition portion and guides air from the corner portion to the outlet port side.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the air blown out from each corner portion is blown out without being blown over the opening by the partition portion 8 and also from the blower passage 9 without blowing out the blowout flow of each corner portion to the blowout port 2. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

As described above, in the present embodiment, the heat exchanger 4 has at least one corner portion at a portion facing the adjacent corner portion of the blowout port 2, and the space between the corner portion and the blowout port. The partition portion 8 and the air passage 9 that communicates with the partition portion and guides the air blown from the corner portion to the outlet port are configured so that the air blown from each corner portion is separated by the partition portion 8. Without blowing through the openings, the air flow from the corners is blown out to the air outlet 2 by the air flow path 9 without causing resistance, so that an increase in noise due to the air flow is prevented and the air flow performance does not deteriorate. Form 2)
FIG. 3 is a partial cross-sectional view of a ceiling cassette type air conditioner according to a second embodiment of the present invention.

  In FIG. 3, the surface which comprises the ventilation path 10 has comprised the at least one of the upper surface part 6 and the side wall part 5 in the part.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the air blown out from each corner portion is not blown by the partition portion 8 over the opening portion, and the blowout flow of each corner portion is blown out by the air passage 10 including at least one of the upper surface portion 6 and the side wall portion 5. Because it blows out without resistance, it prevents an increase in noise due to the blowing flow, and the air flow performance does not deteriorate.

  As described above, in the present embodiment, the surface constituting the air passage 10 includes at least one of the upper surface portion 6 and the side wall portion 5 in a part thereof, so that the wind blown from each corner portion is Blowing is not performed by the partition part 8 and is blown without blowing resistance from each corner part to the blowing port 2 by the air passage 10 including at least one of the upper surface part 6 and the side wall part 5. The increase in noise due to the flow is prevented, and the air flow performance does not deteriorate.

(Embodiment 3)
In FIG. 4, the side wall portion 11 is constituted by a heat insulating material disposed on the outer peripheral side of the heat exchanger 4.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the air blown out from each corner portion is blown out without being blown over the opening by the partition portion 8 and also from the blower passage 9 without blowing out the blowout flow of each corner portion to the blowout port 2. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As described above, in the present embodiment, the side wall portion 11 is made of the heat insulating material disposed on the outer peripheral side of the heat exchanger 4, so that the wind blown from each corner portion is opened by the partition portion 8. Since the blow-out flow is blown out without causing resistance to blow into the blow-out port 2 without blowing in the air, the increase in noise due to the blow-in flow is prevented, and the air flow performance does not deteriorate.

(Embodiment 4)
FIG. 5 is a side view of a ceiling cassette type air conditioner according to a fourth embodiment of the present invention.

  In FIG. 5, the bottom surface portion 12 is composed of a heat insulating material disposed on the lower side of the heat exchanger 4.

    The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the air blown out from each corner portion is blown out without being blown over the opening by the partition portion 8 and also from the blower passage 9 without blowing out the blowout flow of each corner portion to the blowout port 2. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As described above, in the present embodiment, the bottom surface portion 12 is constituted by the heat insulating material disposed on the lower side of the heat exchanger 4, so that the wind blown from each corner portion is opened by the partition portion 8. Since the blow-out flow is blown out without causing resistance to blow into the blow-out port 2 without blowing through the air passage 9, the increase in noise due to the blow-in flow is prevented and the air flow performance does not deteriorate.

(Embodiment 5)
FIG. 6 is a partial cross-sectional view of a ceiling cassette type air conditioner according to a fifth embodiment of the present invention.

  In FIG. 6, the partition portion 13 and the air passage 14 are formed integrally with the side wall portion 5.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the wind blown from each corner portion is not blown over the opening by the partition portion 13, and the blowing flow from each corner portion is blown out to the blowout port 2 by the blower passage 14 without causing resistance. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As mentioned above, in this Embodiment, the partition part 13 and the ventilation path 14 are comprised integrally in the side wall part 5, and the wind which blown off from each corner part blows in the opening part by the partition part 13. Moreover, since the blowing flow at each corner portion is blown out to the blowing port 2 by the blowing passage 14 without causing resistance, an increase in noise due to the blowing flow is prevented, and the air flow performance is not deteriorated.

(Embodiment 6)
FIG. 7 is a partial sectional view of a ceiling cassette type air conditioner according to a sixth embodiment of the present invention.

  In FIG. 7, the partition portion 15 and the air passage 16 are formed integrally with the bottom surface portion 7.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the wind blown out from each corner portion is blown out without being blown over the openings by the partition portion 15 and also from the blower passage 16 without blowing out the blowout flow of each corner portion to the blowout port 2. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As mentioned above, in this Embodiment, the partition part 15 and the ventilation path 16 are comprised integrally in the bottom face part 7, and the wind which blown off from each corner part blows in the opening part by the partition part 15. Moreover, since the blowout flow at each corner portion is blown out to the blowout port 2 by the blower passage 16 without causing resistance, an increase in noise due to the blown flow is prevented and the air flow performance is not deteriorated.

(Embodiment 7)
FIG. 8 is a partial sectional view of a ceiling cassette type air conditioner according to a seventh embodiment of the present invention.

  In FIG. 8, the side wall portion 5 and the bottom surface portion 7 are integrally formed, and the partition portion 17 and the air passage 18 are formed integrally with the integrally formed side wall portion 5 and bottom surface portion 7.

    The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the air blown out from each corner portion is blown out without being blown over the opening portion by the partition portion 17, and the blowout flow of each corner portion is blown out to the blowout port 2 by the air passage 18 without causing resistance. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As described above, in the present embodiment, the side wall portion 5 and the bottom surface portion 7 are integrally formed, and the partition portion 17 and the air passage 18 are integrally formed with the integrally formed side wall portion 5 and bottom surface portion 7. With this configuration, the wind blown out from each corner portion is not blown into the opening portion by the partition portion 17, and the blowing flow at each corner portion is blown out by the air passage 18 without causing resistance to the blowout port 2. Therefore, the increase in noise due to the blowing flow is prevented, and the air flow performance does not deteriorate.

(Embodiment 8)
FIG. 9 is a partial sectional view of a ceiling cassette type air conditioner according to an eighth embodiment of the present invention.

  In FIG. 9, the air passage 19 is configured such that the outlet side end thereof faces the opening of the outlet 2.

    The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the wind blown out from each corner portion is blown out without being blown over the opening by the partition portion 8 and also from the blowout passage 19 without blowing out the blowout flow of each corner portion to the blowout port 2. The increase in noise due to the airflow is prevented, and the air flow performance does not deteriorate.

  As described above, in the present embodiment, the air passage 19 is configured such that the outlet side end thereof faces the opening of the outlet 2, so that the air blown out from each corner portion is separated from the partition portion 8. The air flow from the corners is blown out to the air outlet 2 by the air passage 19 without causing any resistance to the air outlet 2, thereby preventing an increase in noise due to the air flow, and the air flow performance does not deteriorate. .

(Embodiment 9)
FIG. 10 is a partial sectional view of a ceiling cassette type air conditioner according to an eighth embodiment of the present invention.

  In FIG. 10, the partition part 8 is comprised so that the heat exchanger 4 may be contacted through the shock absorbing material 20. As shown in FIG.

  The operation and action of the ceiling cassette type air conditioner configured as described above will be described below.

  First, the heat exchanger 4 is assembled without damaging the partition portion 8 due to the buffering of the cushioning material 20, and the wind blown from each corner portion is not blown by the partition portion 8 over the opening portion, but also by the air passage 9. Since the blow-out flow at each corner is blown out to the blow-out port 2 without resistance, an increase in noise due to the blow-in flow is prevented, and the air flow performance does not deteriorate.

  As described above, the partition portion 8 is configured to contact the heat exchanger 4 through the cushioning material 20 so that the heat exchanger 4 can be assembled without damaging the partition portion 8, and the wind blown from each corner portion is In addition, the air flow from the corner portion is blown out to the air outlet 2 without resistance by the air flow passage 9 without blowing through the opening of the partition portion 8, thereby preventing an increase in noise due to the air flow and air flow performance Will not drop.

  As described above, since the ceiling cassette type air conditioner according to the present invention blows off the blowout flow of each corner portion without causing resistance to the blowout port, it prevents an increase in noise due to the blown flow, and the air flow performance decreases. Therefore, the present invention can also be applied to applications such as indoor units of air conditioners used for air conditioning in houses and facilities.

The exploded view of the ceiling cassette type air conditioner in Embodiment 1 of this invention Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 1 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 2 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 3 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 4 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 5 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 6 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 7 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 8 of the present invention. Partial sectional view of a ceiling cassette type air conditioner according to Embodiment 9 of the present invention. Exploded view of conventional ceiling cassette type air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Intake port 2 Outlet 3 Blower fan 4 Heat exchanger 5 Side wall part 6 Upper surface part 7 Bottom face part 8 Partition part 9 Air supply path 20 Buffer material

Claims (9)

A suction port opened on the lower surface side, a blowout port provided substantially symmetrically around the suction port, a blower fan, a heat exchanger disposed around the centrifugal direction of the blower fan, and the heat exchanger A side wall portion disposed around, an upper surface portion that contacts the side wall portion and covers the upper surface side of the blower fan, and a bottom surface portion configured to contact the side wall portion and cover the lower side of the heat exchanger. In the ceiling cassette type air conditioner provided, the heat exchanger has at least one corner portion at a portion facing an adjacent corner portion of the outlet, and partitions the partition between the corner and the outlet. A ceiling cassette-type air conditioner having a portion and an air passage that communicates with the partition portion and guides air blown from the corner portion to the outlet port side. The ceiling cassette type air conditioner according to claim 1, wherein the surface constituting the air passage includes at least one of an upper surface portion and a side wall portion in a part thereof. The side wall part is comprised with the heat insulating material arrange | positioned at the outer peripheral side of the heat exchanger, The ceiling cassette type air conditioner as described in any one of Claims 1-2 characterized by the above-mentioned. 3. The ceiling cassette type air conditioner according to claim 1, wherein the bottom surface portion is formed of a heat insulating material disposed on a lower side of the heat exchanger. The ceiling cassette type air conditioner according to any one of claims 1 to 2, wherein the partition portion and the air passage are integrally formed on the side wall portion. The ceiling cassette type air conditioner according to any one of claims 1 to 2, wherein the partition portion and the air passage are integrally formed on the bottom surface portion. The partition portion partition according to claim 1, wherein the side wall portion and the bottom surface portion are integrally formed, and the partition portion and the air passage are integrally formed on the integrally formed side wall portion and bottom surface portion. Ceiling cassette type air conditioner. The ceiling cassette type air conditioner according to any one of claims 1 to 7, wherein the air outlet is configured such that an outlet side end thereof faces an opening of the outlet. The ceiling cassette type air conditioner according to any one of claims 1 to 8, wherein the partition portion is configured to contact the heat exchanger via a cushioning material.

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