JP4739893B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner having a function in which a wind direction changing plate that regulates the direction of blown air is rotated by a drive motor.

  A ceiling-embedded air conditioner generally known as an air conditioner is a unit main body that houses an indoor heat exchanger and a blower that is suspended from a ceiling beam and heats or cools the air in the room to be conditioned. And a decorative panel that is attached to the lower part of the unit main body and is exposed on the ceiling surface of the conditioned room. The decorative panel has a suction port for sucking the air in the conditioned room into the inside of the unit body, and a blower outlet for blowing out the air heated or cooled by the indoor heat exchanger toward the conditioned room. (For example, refer to Patent Document 1).

  The above-described air outlet is provided with a wind direction changing plate that is formed to be rotatable about a rotation shaft, and a drive motor that is connected to the rotation shaft of the wind direction changing plate and rotates the wind direction changing plate. The direction of the air blown out toward the room can be changed by the wind direction changing plate. The drive motor is connected to an electrical board inside the unit main body by a wiring material, and the start or stop of the drive motor is controlled by a signal from the electrical board.

On the other hand, the unit main body is provided with a box-shaped housing that constitutes an outer portion thereof. The entire lower surface of the housing is open, and the opening is covered with a decorative panel. A sealing material is provided between the lower end portion of the housing and the decorative panel to prevent air inside the unit body from leaking from other than the blowout port of the decorative panel.
Japanese Patent Laid-Open No. 11-151847

  The operation of attaching the decorative panel to the unit main body is performed after connecting the wiring member extending from the drive motor on the decorative panel side to the electrical board on the unit main body side. However, the length of this wiring material is made longer than the length between the drive motor and the electrical board in order to facilitate the installation work, and the decorative panel was randomly attached after the wiring material was connected. In this case, the arrangement position of the wiring material is not fixed. Therefore, when the connected wiring material passes between the portions where the decorative panel and the unit main body are in contact, the wiring material may be sandwiched between the unit main body and the decorative panel. On the other hand, in order to solve this problem, it may be possible to provide a certain gap between the unit main body and the decorative panel so that the wiring material can pass. However, the external dimensions of the air conditioner are increased by the gap. This is not a good idea.

  The present invention has been made in view of the above-described circumstances, and it is not necessary to increase the outer dimensions, and the wiring material of the drive motor is not sandwiched between the unit body and the decorative panel. It aims at providing the air conditioning apparatus which can be attached to a unit main body.

An air conditioning apparatus according to the present invention includes a decorative panel having a unit body having a chamber heat exchanger and the blower, the wind direction changing plate for restricting the direction for blowing the air outlet and air provided on the lower surface of the unit body wherein the the decorative panel is disposed a driving motor for rotating the wind direction changing plate, in the air conditioning apparatus provided with electrical panel for controlling the drive motor to the unit body, the air conditioner is one-way It is a cassette type, and the inside of the unit body is partitioned into a machine room for housing the blower by a partition plate and a heat exchange chamber for housing the indoor heat exchanger, and the electrical board is disposed on a side wall surface of the machine room. attached, the pair of ribs projecting upwardly along the four sides of the decorative panel on the rear surface of the decorative panel is formed groove between the ribs is constructed, and the chamber on the back side A recess is formed in contact with the lower surface of the drain pan that receives the exchanger, a closed portion is formed between the recess and the suction grill of the decorative panel, and a wiring member extending from the drive motor is disposed in the groove of the groove. Is connected to the electrical board extending across a part of the suction grill of the decorative panel, and the opening edge of the groove on the four sides. wherein said that the sealing member to prevent pre-SL unit air from leaking to the outside of the body between the unit body interposed over the entire length of the ribs and.

In this case, the sealing material may be bonded to the opening edge of the groove.
Further, the sealing material can be fitted into the opening of the groove.
Furthermore, the unit main body includes a housing having an opening on the lower side and a flange portion provided at an edge of the opening, and the unit main body includes a gap between the flange portion of the housing and the opening edge of the groove portion. Ru can also be interposed a sealing material.

  According to the present invention, since the decorative panel is provided with the groove extending from the drive motor toward the electrical board, the wiring member to which the drive motor and the electrical board are connected is placed in the groove of the groove. By mounting, the wiring path can be determined so that the wiring material is not sandwiched between the decorative panel and the unit main body. In addition, since a sealing material for preventing heated or cooled air from leaking to the outside of the unit main body is interposed between the opening edge of the groove and the unit main body, the wiring material is moved away from the groove. Even if force is applied, the wiring material can come into contact with the sealing material, so that the wiring material can be prevented from coming off the groove. As a result, it is not necessary to increase the external dimensions of the air conditioner, and the decorative panel can be attached to the unit body without the wiring material of the drive motor being sandwiched between the unit body and the decorative panel.

  Hereinafter, an air conditioner according to an embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a ceiling-embedded air conditioner that is an example of an air conditioner, which is a one-way cassette type, will be described. In addition, directions such as up and down and left and right used for the description in the present embodiment are directions when the air conditioner is viewed in the state shown in FIG.

  FIG. 1 is a perspective view showing an appearance of a ceiling-embedded air conditioner according to an embodiment of the present invention, and FIG. 2 is a side sectional view thereof. The air conditioner 1 includes a unit main body 10 that houses an indoor heat exchanger or the like for heating or cooling air sucked from a room to be conditioned, and a decorative panel 20 that is attached to the lower side of the unit main body 10 with screws. I have.

  The unit main body 10 includes a housing 11 constituting an outer portion. The casing 11 has a rectangular parallelepiped box shape formed by bending a sheet metal, and the entire lower surface is open. As shown in FIG. 2, the lower end portion of the side wall 11a of the housing 11 is bent outward in the horizontal direction to form a flange portion 11b. As shown in FIG. 1, a plurality of suspension fittings 12 are provided on the outer surface of the side wall 11 a of the housing 11. The suspension bracket 12 is connected to a suspension bolt (not shown) attached to the ceiling beam. By connecting the suspension bracket 12 to the suspension bolt, the unit body 10 is harmonized. It will be placed in the ceiling space of the room.

  As shown in FIG. 2, the interior of the housing 11 is defined by a partition plate 32 into a machine room (right chamber) 30 and a heat exchange chamber (left chamber) 31. The machine room 30 is provided with the blower 2 that blows air sucked from the conditioned room to the heat exchange chamber 31 and the electrical board 6 attached to the inner side wall surface of the housing 11. On the other hand, an indoor heat exchanger 3 for heating or cooling air blown from the machine room 30 is disposed in the heat exchange chamber 31, and condensed water is received below the indoor heat exchanger 3. A drain pan 38 is provided. The lower surface 38 a of the drain pan 38 is in contact with the decorative panel 20 over the width direction of the drain pan 38 in a state where the decorative panel 20 is attached to the unit main body 10.

  The decorative panel 20 is formed in a substantially rectangular shape larger than the lower opening of the housing 11, and the ceiling hole 5 when the unit body 10 is inserted into the ceiling 4 is formed in the ceiling 4 as shown in FIG. 2. It is designed to close from below.

  In the decorative panel 20, a suction port 21 for sucking air in the conditioned room is formed in a portion located below the machine room 30. A suction grill 24 that supports a filter (not shown) is detachably disposed at the suction port 21. On the other hand, a blower outlet 22 for blowing out air heated or cooled by the indoor heat exchanger 3 is formed in a portion located below the heat exchange chamber 31. The air outlet 22 is formed in a long hole shape along one side of the decorative panel 20, and the air outlet 22 is provided with a wind direction changing plate 25 extending in the longitudinal direction thereof. The wind direction changing plate 25 includes rotating shafts 26 at both ends and a center portion in the longitudinal direction, and the rotating shafts 26 are rotatably supported by the decorative panel 20.

  FIG. 3 is a plan view showing a state in which the decorative panel 20 is viewed from the back side (inside the air conditioner). Ribs 27a and 27b are formed on the back surface 20a of the decorative panel 20 so as to protrude upward from the back surface 20a along the four sides of the decorative panel 20. The ribs 27a and 27b are formed in parallel to each other with a predetermined interval, and a groove portion 28 having an opening on the upper side is formed between the ribs 27a and 27b. In the groove portion 28, a reinforcing member 27c that connects the rib 27a and the rib 27b is appropriately disposed.

  As shown in FIG. 2, the ribs 27 a and 27 b are provided at positions where the flange portion 11 b of the housing 11 and the opening of the groove portion 28 face each other when the unit body 10 and the decorative panel 20 are assembled. In FIG. 3, the groove portion 28 is formed so as to form a rectangle substantially equal to the shape of the opening of the housing 11.

  On the other hand, as shown in FIG. 3, a driving motor 40 for rotating the wind direction changing plate 25 is attached to the decorative panel 20 at the end portion in the longitudinal direction of the wind direction changing plate 25. In the drive motor 40, a wiring member 41 extending from the drive motor 40 is connected to the electrical board 6 in the machine room 30, and the start or stop of the drive motor 40 is controlled by the electrical board 6. The wiring member 41 is attached to the inside of the groove portion 28 extending from the drive motor 40 toward the electrical board 6 so as to exceed the closing portion 20b of the decorative panel 20, and the wiring member 41 is located around the portion exceeding the closing portion 20b. Then, it is led out from the groove portion 28, extends so as to cross a part of the suction grill 24, and reaches the electrical panel 6. In this way, the wiring path of the wiring material 41 is fixed. With such a configuration, the drive motor 40 and the electrical board 6 are arranged at the counter electrode of the air conditioner 1.

  In the present embodiment, when the decorative panel 20 is attached to the unit main body 10, the decorative panel 20 and the lower surface 38 a of the drain pan 38 are attached so that they are in contact with each other. A wiring member 41 is attached to the inside of the groove portion 28 at a portion where the drain pan 38 is present. The reinforcing member 27c is not provided in the groove portion 28 where the wiring member 41 is mounted. The ribs 27a and 27b are appropriately formed with notches for inserting the wiring member 41 into the groove portion 28.

  FIG. 4 is a schematic view showing a state in which the wiring member 41 is mounted in the groove 28. A sealing material 42 is attached to the opening edge of the groove 28 where the wiring member 41 is mounted so as to cover the opening of the groove. Specifically, the sealing material 42 is bonded to the upper ends of the ribs 27a and 27b, and is provided over the entire length of the ribs 27a and 27b. On the other hand, on the upper side of the sealing material 42, the flange portion 11 b at the lower end of the housing 11 is in contact with the sealing material 42, and the sealing material 42 is interposed between the ribs 27 a and 27 b and the housing 11. It has become. The sealing material 42 is for preventing air inside the housing 11 from leaking from other than the blowout port 22.

  According to the air conditioning apparatus according to the embodiment of the present invention, when the decorative panel 20 is attached to the unit main body 10, the wiring member 41 may be sandwiched between the unit main body 10 and the decorative panel 20. Since the wiring material 41 is mounted inside the groove portion 28 and the wiring path is fixed at the portion, there is no possibility that the wiring material 41 is sandwiched between the decorative panel 20 and the drain pan 38. Further, since the sealing material 42 is interposed between the flange portion 11b of the housing 11 and the tip portions of the ribs 27a and 27b, there is no possibility that the wiring material 41 is detached from the groove portion.

The best mode for carrying out the present invention has been described above. However, the present invention is not limited to the above-described embodiment, and various modifications and changes can be made based on the technical idea of the present invention. .
For example, the sealing material 42 used in the air conditioner according to the present invention is attached by being bonded to the ribs 27a and 27b, but the shape of the lower side of the sealing material 42 is matched to the shape of the opening of the groove 28. By forming, it can be fitted and attached to the opening of the groove 28. Thereby, it can attach to the sealing material 42, without using adhesive agents, such as an adhesive sheet.

It is a perspective view which shows the external appearance of the air conditioning apparatus which concerns on embodiment of this invention. It is sectional drawing of FIG. It is a top view which shows the state which looked at the decorative panel used for the air conditioning apparatus which concerns on embodiment of this invention from the inner side of the air conditioning apparatus. It is a schematic diagram which shows the state with which the wiring material is mounted | worn in the groove part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air conditioning apparatus 2 Blower 3 Indoor heat exchanger 4 Ceiling 5 Ceiling hole 6 Electrical board 10 Unit main body 11 Case 11a Side wall 11b Flange part 12 Hanging bracket 20 Cosmetic panel 20a Back surface 21 Suction port 22 Outlet 24 Suction grill 25 Change of wind direction Plate 26 Rotating shaft 27a, 27b Rib 27c Reinforcement member 28 Groove 30 Machine room 31 Heat exchange chamber 32 Partition plate 38 Drain pan 38a Lower surface 40 Drive motor 41 Wiring material 42 Sealing material

Claims (4)

Comprising a unit body having a chamber heat exchanger and the blower, and a decorative panel having a wind direction changing plate for restricting the direction for blowing the air outlet and air provided on the lower surface of the unit body, wherein the said decorative panel In the air conditioner provided with a drive motor for rotating the wind direction change plate, and provided with an electrical panel for controlling the drive motor in the unit body,
The air conditioner is a one-way cassette type, and the unit body is partitioned by a partition plate into a machine room that houses the blower and a heat exchange chamber that houses the indoor heat exchanger, and the side of the machine room The electrical panel is attached to the wall surface,
A bottom surface of a drain pan which is formed with a pair of ribs protruding upward along the four sides of the decorative panel on the back surface of the decorative panel, and a groove is formed between the ribs, and which receives the indoor heat exchanger on the back surface. A recess is formed between the recess and the suction grille of the decorative panel, and a wiring member extending from the drive motor is wired through the groove of the groove. Is led out from the groove, and extends across a part of the suction grille of the decorative panel and is connected to the electrical board,
Air, wherein a sealing member to prevent the air from leaking to the outside of the front SL unit body between the unit body and the opening edge of the groove of the four sides was interposed over the entire length of the rib Harmony device.   The air conditioning apparatus according to claim 1, wherein the sealing material is bonded to an opening edge of the groove.   The air conditioner according to claim 1, wherein the sealing material is fitted into the opening of the groove.   The unit main body includes a housing having an opening on the lower side and a flange portion provided at an edge of the opening, and the sealing material between the flange portion of the housing and the opening edge of the groove portion. The air conditioner according to any one of claims 1 to 3, wherein an air is interposed.

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