JP2007285638A - Ceiling cassette type air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling cassette type air conditioner with improved air capacity performance by preventing increase of noise due to a blown-out air flow from each corner part of an air blowout duct. <P>SOLUTION: The ceiling cassette type air conditioner is composed of a suction opening 1 opened toward a bottom face side, a blowout opening 2 provided substantially symmetrically around the suction opening 1, a blow fan 3, a heat exchanger 4 arranged in a centrifugal periphery of the blow fan 3, a side wall part 5 arranged in a periphery of the heat exchanger 4, a top face part 6 abutting on the side wall part 5 and covering a top face side of the blow fan 3, and a bottom face part 7 composed so as to abut on the side wall part 5 and covering a lower part of the heat exchanger 4. It is provided with a partition part 8 adjacent to the side wall part 4 and rising obliquely with respect to an air blowing direction, and a blowout opening 9 exclusively blowing out air from the corner part 4a. In air blown out of each corner part, the blown-out air flow of each corner part is blown out to the exclusive blowout opening 9 without being resistance by the partition part 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

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 (see, for example, Patent Document 1).

As shown in FIG. 7, the suction port 1 opened on the lower surface side, the blowout port 2 provided substantially symmetrically around the suction port 1, the blower fan 3, and the periphery of the blower fan 3 in the centrifugal direction are arranged. The heat exchanger 4, the side wall portion 5 arranged around the heat exchanger 4, the upper surface portion 6 that contacts the side wall portion 5 and covers the upper surface side of the blower fan 3, and the side wall portion 5 The bottom portion 7 is configured to cover the lower portion of the heat exchanger 4.
Japanese Patent Laid-Open No. 10-19370

  However, as described above, in the conventional configuration, the wind blown out from each corner of the blowout air passage is blown toward the blowout openings provided in the four directions, thereby increasing the ventilation resistance and 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. To do.

  In order to solve the above-mentioned conventional problems, the ceiling cassette type air conditioner of the present invention includes a partition portion that rises obliquely with respect to the air blowing direction in the vicinity of the side wall portion, and a blowout port that blows out the air from the corner portion exclusively It is what has.

  As a result, the wind blown out from each corner section is guided by the partitioning section without blowing out the flow from each corner section to the dedicated outlet, preventing the increase in noise due to the blowout flow and air volume performance. Can be improved.

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

The first invention 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 arranged around the heat exchanger, an upper surface portion that contacts the side wall portion and covers the upper surface of the blower fan, and a side wall portion that contacts the side wall portion and covers the lower side of the heat exchanger In the ceiling cassette type air conditioner having a bottom surface formed, the heat exchanger has at least one corner portion at a portion facing an adjacent corner portion of the outlet, and the corner portion and the outlet The partition part which partitions between them and the blower outlet which blows off the ventilation from a corner part exclusively are installed. As a result, the wind blown out from each corner of the heat exchanger is blown out by the partitioning part without blowing out the blowout flow at each corner to the dedicated blowout port, preventing an increase in noise due to the blowout flow. To improve the air flow performance.

  In the second aspect of the invention, the side wall portion is formed of a heat insulating material disposed on the outer peripheral side of the heat exchanger, and the partition portion is formed integrally with the side wall portion. Thereby, it is not necessary to assemble again the partition part formed separately, and the increase in an assembly man-hour can be suppressed.

  In the third aspect of the invention, the bottom surface portion is constituted by a heat insulating material disposed on the lower side of the heat exchanger, and the partition portion is integrally formed on the bottom surface portion. Thereby, it is not necessary to assemble again the partition part formed separately, and the increase in an assembly man-hour can be suppressed.

  In the fourth invention, 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. As a result, it is not necessary to reassemble the separately formed partition portion, and the increase in assembly man-hours can be suppressed.

  In the fifth aspect of the invention, the partition portion is configured to contact the heat exchanger via the cushioning material, whereby the heat exchanger can be assembled without damaging the partition portion.

  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 arranged around the heat exchanger 4, an upper surface portion 6 that abuts against the side wall portion 5 and covers the upper surface side of the blower fan 3, abuts on the side wall portion 5, and the heat exchanger 4 The bottom surface portion 7 is configured so as to cover the lower side. A partition plate 8 is formed on the side wall portion 5 in the vicinity of the corner portion 4a of the heat exchanger 4 so as to guide the air flow from the heat exchanger 4 to the air outlet.

  FIG. 2 is a partial cross-sectional view of the ceiling cassette type air conditioner according to the first embodiment of the present invention, and shows a cross section of a corner portion. In FIG. 2, the heat exchanger 4 has at least one corner portion at a portion facing the adjacent corner portion of the air outlet 2, a partition portion 8 that partitions the corner portion and the air outlet, and from the corner portion. A blowout port 9 for blowing out the air exclusively is configured. Moreover, the partition part 8 is comprised so that the heat exchanger 4 may be contacted via the shock absorbing material 10. FIG.

  About the ceiling cassette type air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. First, the wind blown out from each corner part blows out the blowing flow from each corner part to the dedicated outlet 9 without resistance by the partition part 8. For this reason, an increase in noise due to the blowing flow can be prevented, and the air flow performance can be improved. Moreover, the heat exchanger 4 can be assembled without damaging the partition part 8 and the heat exchanger 4 by the buffering of the buffer material 10, and the increase in assembly man-hours can be suppressed.

  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 outlet 2, and partitions the partition between the corner and the outlet 2. By forming the part 8 and the outlet 9 for blowing out the air from the corner by the partition part 8, the wind blown out from each corner part is used for the outlet flow of each corner part by the partition part 8. Since it blows out without becoming resistance to the blower outlet 9, the increase in the noise by a blowing flow can be prevented and air volume performance can be improved.

(Embodiment 2)
FIG. 3 is a perspective view of a main part of a ceiling cassette type air conditioner according to a second embodiment of the present invention. In FIG. 3, the side wall part 5 is constituted by a heat insulating material arranged on the outer peripheral side of the heat exchanger 4, and the partition part 8 is constituted integrally with the side wall part 5.

  In the ceiling cassette type air conditioner configured as described above, it is not necessary to reassemble the partition portion 8 separately formed, and an increase in the number of assembly steps can be suppressed.

(Embodiment 3)
FIG. 4 is a perspective view of a main part of a ceiling cassette type air conditioner according to a third embodiment of the present invention. In FIG. 4, the bottom surface portion 7 is composed of a heat insulating material disposed on the lower side of the heat exchanger 4, and the partition portion 8 is configured integrally with the bottom surface portion 7.

  In the ceiling cassette type air conditioner configured as described above, it is not necessary to reassemble the partition portion 8 separately formed, and an increase in the number of assembly steps can be suppressed.

(Embodiment 4)
FIG. 5 is a perspective view of main parts of a ceiling cassette type air conditioner according to a fourth embodiment of the present invention. In FIG. 5, the side wall part 5 and the bottom surface part 7 are integrally formed, and the partition part 8 is formed integrally with the integrally formed side wall part 5 and bottom surface part 7.

  In the ceiling cassette type air conditioner configured as described above, it is not necessary to reassemble the separately formed partition portion 8, and the assembly of the side wall portion 5 and the bottom surface portion 7 is simplified, reducing the number of assembly steps. be able to.

  As described above, the ceiling cassette type air conditioner according to the present invention blows off the blowout flow at each corner portion without causing resistance to the blowout port, thereby preventing an increase in noise due to the blown flow and not reducing the air flow performance. Therefore, it can also be applied to uses 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 The fragmentary sectional view of the ceiling cassette type air conditioner in Embodiment 1 of the present invention The principal part perspective view of the ceiling cassette type air conditioner in Embodiment 2 of this invention The principal part perspective view of the ceiling cassette type air conditioner in Embodiment 3 of this invention The principal part perspective view of the ceiling cassette type air conditioner in Embodiment 4 of this invention Exploded view of conventional ceiling cassette type air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Inlet port 2 Outlet port 3 Blower fan 4 Heat exchanger 4a Corner part 5 Side wall part 6 Upper surface part 7 Bottom surface part 8 Partition part 9 Outlet port 10 Buffer material

Claims (5)

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 the adjacent corner portion of the outlet, and partitions the partition between the corner and the outlet. And a ceiling cassette type air conditioner characterized by having a blow-out port for blowing air from the corner part. The ceiling cassette type air conditioner according to claim 1, wherein the side wall portion is made of a heat insulating material disposed on the outer peripheral side of the heat exchanger, and the partition portion is integrally formed on the side wall portion. . 2. The ceiling cassette type air conditioner according to claim 1, wherein the bottom surface portion is made of a heat insulating material disposed on the lower side of the heat exchanger, and the partition portion is integrally formed on the bottom surface portion. . 2. The ceiling cassette 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. Shape air conditioner. The ceiling cassette type air conditioner according to any one of claims 1 to 4, wherein the partition portion is configured to contact the heat exchanger via a cushioning material.