JP5329166B2 - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of reducing load in raising and lowering a dust box, and easily disposing of dust in the dust box. <P>SOLUTION: A body unit 1 includes an air filter 40 collecting dust in the air and a brush unit 51 moved on the air filter 40 for removing the dust attached to the air filter 40, the brush unit 51 includes a brush unit body 61 and the dust box 67 detachably supported by the brush unit body 61, and a suction grille 30 and an elevating unit 35 are further disposed in a state of being engaged with the dust box 67 when the brush unit 51 is moved to a prescribed position, and supporting the dust box 67 to be raised and lowered to the air filter 40 and the brush unit body 61. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an air conditioner including an air filter that collects dust in the air.

DESCRIPTION OF RELATED ART Conventionally, the air conditioner provided with the main body unit which has a heat exchanger and an air blower, and the decorative panel arrange | positioned under this main body unit is known. In this type of air conditioner, an air filter is provided on the suction grill of the decorative panel, and dust contained in the air sucked from the suction grill is collected by the air filter. For this reason, since the dust is collected and accumulated in the air filter, if the cumulative operation time of the air conditioner becomes longer, the air filter becomes clogged, and the air conditioner is operated as the ventilation resistance increases. Efficiency is reduced.
In order to solve this problem, the suction grille on which the air filter is disposed can be moved up and down, a rotating brush that removes dust attached to the air filter, a dust box that collects dust removed by the rotating brush, and this There has been proposed a guide rail and a drive motor for moving a dust box and a rotating brush along an air filter on a suction grill (for example, see Patent Document 1).
JP 2007-40689 A

However, in the conventional configuration, since an air filter, a rotating brush, a dust box, a guide rail, and a drive motor are arranged on the suction grill, the weight of the suction grill increases, and the lifting motor that raises and lowers the suction grill There was a problem that the load on Further, in the conventional configuration, the rotating brush and the guide rail are engaged with the dust box, and the air filter is disposed above the dust box, the rotating brush, and the guide rail, so that the dust in the dust box is discarded. In some cases, it is necessary to remove the dust box from the guide rail after removing the air filter, which causes a problem that the disposal work becomes complicated.
Therefore, the present invention provides an air conditioner that solves the problems of the conventional technology described above, reduces the load when the dust box is raised and lowered, and can easily dispose of dust in the dust box. With the goal.

In an air conditioner including a main body unit having a heat exchanger and a blower and a decorative panel disposed below the main body unit, the main body unit includes an air filter that collects dust in the air, and the air A removing device that moves on the filter and removes dust adhering to the air filter, the removing device comprising a removing device main body and a dust box that is detachably attached to the removing device main body, the removing device being a predetermined device When moved to a position, the suction grill of the decorative panel and the dust box are engaged, and when the removal device moves to a position deviated from the predetermined position, the engagement between the suction grill and the dust box is released. provided with a engaging means, the temperature Kudasu that respect the the dust box together with the suction grille air filter and the elimination apparatus body Characterized in that it comprises a later section.

  According to this configuration, the dust box detached from the removal device main body is moved up and down while leaving the air filter and the removal device main body in the main body unit, so that the load on the lifting means can be reduced and the dust in the dust box can be discarded. It can be done easily.

  The suction grill may be configured to be movable up and down with respect to the main body unit, and the dust box may be detachably disposed on the suction grill. According to this configuration, when the dust in the dust box is discarded, it is only necessary to lower the dust box together with the suction grille and to remove the dust box from the suction grille, thereby reducing the disposal work.

  According to the present invention, the dust box detached from the removal device main body is moved up and down while the air filter and the removal device main body remain in the main body unit, so that the load on the lifting means can be reduced and the dust in the dust box can be discarded. It can be done easily.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a ceiling-embedded air conditioner 100 according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the ceiling-embedded air conditioner 100. FIG. 3 is a cross-sectional view of the ceiling-embedded air conditioner 100.
As shown in FIGS. 1 to 3, the ceiling-embedded air conditioner 100 includes a sheet metal body unit 1 formed in a box shape, the body unit 1, a filter chamber 20, and a decorative panel 21. Are stacked in three stages.
As shown in FIG. 1, a plurality of suspension fittings 1B are provided on the outer surface of the main unit 1, and each suspension fitting 1B has a suspension fixed to the ceiling surface 110 as shown in FIG. The lower bolt 2 is fixed by a nut 4 (FIG. 1), and the ceiling-embedded air conditioner 100 is suspended from the ceiling surface 110 through these suspension bolts 2. In this case, the decorative panel 21 of the ceiling-embedded air conditioner 100 is disposed on the ceiling plate 112 provided below the ceiling surface 110 via the ceiling back space 111 and is exposed to the conditioned room.

As shown in FIG. 3, inside the main body unit 1, a heat insulating material 3 made of foamed polystyrene is disposed almost entirely on the inner side of the side plate 1 </ b> A and the top surface, and inside the heat insulating material 3, a blower 9, and A heat exchanger 11 is accommodated.
The blower 9 includes a motor 5 having a shaft disposed downward, and a turbo fan 7 attached to the shaft of the motor 5. The heat exchanger 11 is a plate fin type heat exchanger and is disposed so as to surround the blower 9.

Below the heat exchanger 11, a drain pan 13 made of a synthetic resin such as styrene resin is disposed so as to cover the lower surface 11 </ b> A of the heat exchanger 11, and a drain pump (not shown) that discharges the drain accumulated in the drain pan 13 to the outside. Abbreviation) is provided.
The drain pan 13 is disposed so as to be in contact with the inner surface of the side plate 1A of the main unit 1, the suction opening 14 is opened at the center of the drain pan 13, and the exhaust of the blower 9 passing through the heat exchanger 11 is passed through the peripheral portion. A blowout opening 15 is formed. A nozzle 17 that guides the air in the conditioned room that has passed through the suction opening 14 to the blower 9 is attached to the upper part of the suction opening 14. The drain pan 13 is screwed with various components such as an electrical box (not shown) that houses a control circuit, a power supply circuit, and the like of the ceiling-embedded air conditioner 100.

The filter chamber 20 is disposed directly below the drain pan 13. The filter chamber 20 has a ventilation hole 25 communicating with the blowout opening 15 of the drain pan 13, and a rectangular suction opening 26 communicating with the suction opening 14. Is formed. The suction opening 26 includes a frame portion 26A formed along the four sides of the suction opening 26. The frame portion 26A flows into the main unit 1 through the suction opening 26 as shown in FIGS. An air filter 40 that collects dust contained in the air in the conditioned room is fitted. The air filter 40 includes a filter material 41 formed in a mesh shape and a filter support frame 42 formed in a lattice shape that supports the filter material 41, and the filter material 41 and the filter support frame 42 are integrated. Is formed.
In this configuration, the filter chamber 20 automatically removes dust adhering to the air filter 40 on the windward side of the air filter 40, that is, the lower surface (collecting surface) side of the air filter 40, and cleans the cleaning mechanism 50. Is provided. The cleaning mechanism 50 is configured so that the lower surface of the air filter 40 can be moved in a substantially horizontal direction indicated by an arrow X in FIG. 3, and removes dust adhering to the air filter 40 during this movement. is there. The cleaning mechanism 50 will be described later.

On the lower surface of the filter chamber 20, a decorative panel 21 exposed in the conditioned room is attached by screws (not shown) or the like. The decorative panel 21 is formed with a suction port 22 that sucks in air in the conditioned room and a blowout port 23 that blows conditioned air that has passed through the heat exchanger 11 into the conditioned room. A louver 24 for changing is provided.
The suction port 22 communicates with the suction opening 26 of the filter chamber 20, and the blowout port 23 is formed at a position and a shape communicating with the ventilation hole 25 of the filter chamber 20.

  The decorative panel 21 is fitted with a suction grill 30 that fits into the suction port 22 and a lifting unit 35 that supports the suction grill 30 by four hanging straps 36, 37, 38, 39. Yes. In the present embodiment, the lifting means is configured by including the suction grill 30 and the lifting unit 35. A suction port 31 for sucking room air is formed in the center of the suction grill 30, and the suction port 31 communicates with the suction opening 26 in a state where the suction grill 30 is fitted to the suction port 22.

The lifting / lowering unit 35 is attached to the inside of the decorative panel 21, that is, the surface on the filter chamber 20 side through a sheet metal stay (not shown), and the four hanging straps 36 to 39 are fed or unwound. The suction grill 30 is raised and lowered within a predetermined range.
The suction grill 30 has two hanging straps 36 and 37 fixed to one side thereof, and two hanging straps 38 and 39 fixed to the other side thereof. The lifting unit 35 includes a first mechanism (not shown) for feeding and unwinding the hanging straps 36 and 37, a second mechanism (not shown) for feeding and unwinding the hanging straps 38 and 39, and the first A control board (not shown) for controlling the mechanism and the second mechanism is housed in one housing.

One end of each of the hanging straps 36 to 39 is fixed to the back surface of the suction grill 30, that is, the upper surface in FIG. 1, and the other end is turned horizontally by guides 55 and 56 provided on the back surface of the decorative panel 21. And accommodated in the elevating unit 35.
The first mechanism includes a bobbin (not shown) around which the hanging straps 36 and 37 are wound, a gear (not shown) for rotating the bobbin, and a motor (not shown). As a result, the bobbin is rotated in the forward or reverse direction, and the hanging straps 36 and 37 are fed out or rewound. Similarly, the other ends of the hanging straps 38 and 39 are wound around a bobbin (not shown) included in the second mechanism, and the forward or reverse operation of the motor included in the second mechanism is transmitted to the bobbin via the gear. Is rotated in the forward or reverse direction, and the hanging straps 38 and 39 are fed out or rewound.
Further, as shown in FIG. 3, a support pedestal 57 is provided on the suction grill 30 along the other side 30 </ b> B located on the side opposite to the one side 30 </ b> A facing the lifting unit 35. . The support pedestal 57 supports the dust box 67 by engaging with a dust box 67 of the brush unit 51 described later when raising and lowering the suction grill 30.

  The ceiling-embedded air conditioner 100 configured as described above allows a refrigerant supplied from an outdoor unit (not shown) to pass through the heat exchanger 11 so that the heat exchanger 11 functions as an evaporator or a condenser. As shown in FIG. 3, the air in the conditioned room is sucked from the suction port 31 by the operation of the blower 9, and the indoor air is cooled or heated by passing through the heat opening 11 through the suction opening 26, the suction opening 14, and the nozzle 17. Use conditioned air. Then, the ceiling-embedded air conditioner 100 blows out conditioned air from the blowout opening 23 to the conditioned room through the blowout opening 15 and the vent hole 25 and cools or heats the conditioned room by the operation of the blower 9.

Next, the cleaning mechanism 50 will be described.
As shown in FIG. 1, the cleaning mechanism 50 supports a horizontally long brush unit (removal device) 51 extending over the entire width of the air filter 40 and the brush unit 51 movably supported on the lower surface of the air filter 40. A pair of guide rails 52L and 52R is provided. The guide rails 52L and 52R are formed in a long prismatic shape, and a rack gear (not shown) is formed on the upper surface of the guide rails 52L and 52R over the entire length of the guide rails 52L and 52R. Further, the guide rails 52L and 52R are connected to stays 53 and 53 whose both ends are suspended from the frame portion 26A of the filter chamber 20, respectively.
The cleaning mechanism 50 reciprocates the lower surface of the air filter 40 during the time when the operation of the ceiling-embedded air conditioner 100 is stopped, and automatically removes dust adhering to the air filter 40. The air filter 40 is cleaned. During the operation of the ceiling-embedded air conditioner 100, the brush unit 51 is located at a standby position that does not hinder ventilation (for example, above the lifting unit 35).

4 is an external perspective view of the brush unit 51, and FIG. 5 is a perspective view showing a state in which the upper case is removed from the state of FIG.
As shown in FIG. 4, the brush unit 51 includes a brush unit main body (removal device main body) 61 disposed on a pair of guide rails 52L and 52R. The brush unit main body 61 includes a lower case 62 and a lower case 62. An upper case 63 combined with the side case 62 is provided. As shown in FIG. 5, the brush unit main body 61 includes a horizontally long rotating brush 64 extending over the entire width of the lower case 62. As shown in FIG. An opening 63 </ b> B is formed in which the outer peripheral portion of the rotating brush 64 protrudes toward the outside of the upper case 63.
Further, the brush unit main body 61 includes a brush drive mechanism 65 that is disposed on one end side 61A of the brush unit main body 61 and rotationally drives the rotating brush 64, and is disposed on the other end side 61B of the brush unit main body 61 and And a moving mechanism 66 for moving the brush unit main body 61 on the guide rails 52L and 52R.

  As shown in FIG. 5, the brush drive mechanism 65 includes a brush drive motor 71 screwed to the lower case 62 and a pinion housed in the lower case 72 and provided on the drive shaft of the brush drive motor 71. A first transmission 73 that meshes with (not shown), a second transmission 74 that is provided coaxially with the first transmission 73, a third transmission 75 that meshes with the second transmission 74, and The fourth transmission wheel 76 is provided coaxially with the third transmission wheel 75, and the fourth transmission wheel 76 meshes with a pinion 77 provided at one shaft end of the rotating brush 64. These first transmission wheel 73 to fourth transmission wheel 76 function as a decelerating wheel that decelerates the rotational speed of the brush drive motor 71 to the rotational speed for the rotary brush 64 and defines the rotational direction of the rotary brush 64. The brush drive motor 71 is controlled to rotate in the direction of arrow A (counterclockwise direction) in FIG. 5, and the rotation of the brush drive motor 71 passes through the first transmission vehicle 73 to the fourth transmission vehicle 76. Thus, since the speed is reduced and transmitted to the rotating brush 64, the rotating brush 64 is rotated in the direction of arrow B (clockwise direction) in FIG. Thereby, the dust adhering to the air filter 40 is scraped off by the rotation of the air filter 40, and the dust thus scraped off is collected inside the brush unit main body 61.

As shown in FIG. 5, the moving mechanism 66 includes a moving motor 81 screwed to the lower case 62, and a pinion (which is accommodated in the lower case 72 and provided on the drive shaft of the moving motor 81. A fifth transmission wheel 82 meshing with the fifth transmission wheel 82, a sixth transmission gear 83 provided coaxially with the fifth transmission gear 82, a seventh transmission gear 84 meshing with the sixth transmission gear 83, An eighth transmission 85 provided coaxially with the seventh transmission 84, a ninth transmission 86 engaged with the eighth transmission 85, and a tenth transmission 87 provided coaxially with the ninth transmission 86 The tenth transmission 87 is meshed with a pinion 88 that meshes with the rack gear of one guide rail 52R. One end of a rotation shaft 89 provided across the width direction of the lower case 62 is connected to the pinion 88, and a pinion 90 having the same diameter and the same number of teeth as the pinion 88 is connected to the other end of the rotation shaft 89. It is connected. The pinion 90 meshes with the rack gear of the other guide rail 52L. By rotating the pinions 88 and 90 on these rack gears, the brush unit 51 is moved along the lower surface of the air filter 40 from one end side 40A to the other end side 40B as shown in FIG. be able to.
The fifth transmission wheel 82 to the tenth transmission wheel 87 function as a speed reduction vehicle that decelerates the rotation speed of the moving motor 81 to a rotation speed suitable for the brush unit 51 to move on the guide rails 52L and 52R. The rotation direction of the pinions 88 and 90 meshing with the rack gears of the guide rails 52L and 52R is defined.
The moving motor 81 is controlled to selectively rotate in the direction of arrow C (clockwise direction) or the direction of arrow D (counterclockwise direction) in FIG. When the movement motor 81 is driven in the direction of arrow C, the rotation of the movement motor 81 is decelerated via the fifth transmission wheel 82 to the tenth transmission wheel 87 and the pinion 88 remains in the same rotation direction. 90. Thereby, the brush unit 51 moves on the guide rails 52L and 52R in the direction of the arrow X1. Similarly, when the movement motor 81 is driven in the direction of the arrow D, the rotation of the movement motor 81 is decelerated via the fifth transmission wheel 82 to the tenth transmission wheel 87, and the pinion remains in the same rotation direction. 88, 90. Thereby, the brush unit 51 moves on the guide rails 52L and 52R in the direction of the arrow X2.

  As shown in FIG. 6, the brush unit 51 includes a dust box 67 that accommodates dust removed (removed) by the rotary brush 64 below the rotary brush 64. As shown in FIG. 1, the dust box 67 is disposed between the guide rails 52L and 52R, and is detachably provided on the brush unit main body 61 as will be described later.

FIG. 7 is a side sectional view showing the brush unit 51 and the support pedestal 57, and FIG. 8 is a side sectional view showing a state where the brush unit 51 has moved onto the support pedestal 57. As shown in FIG. In FIG. 7 and FIG. 8, the description of the transmission vehicle and the like is omitted.
As shown in FIG. 7, the dust box 67 is formed in a box shape having an open upper surface, and is configured to be detachable from the brush unit main body 61.
Specifically, projecting portions (first engaging portions) 68 and 69 projecting outward from the side surfaces 67A and 67B are formed on the side surfaces 67A and 67B of the dust box 67, respectively. These protrusions 68 and 69 are provided along the longitudinal direction of the side surfaces 67A and 67B, and have an arcuate outer shape with a rounded cross section.
On the other hand, the brush unit main body 61 includes a pair of support plates 62A and 62B extending downward from the lower surface of the lower case 62. These support plates 62 </ b> A and 62 </ b> B have elasticity, and are provided along the longitudinal direction of the lower case 62 with an interval substantially the same as the width of the dust box 67. The inner surfaces of the support plates 62A and 62B have recesses (first engagement portions) 62A1 and 62B1 that are substantially the same shape as the protrusions 68 and 69 and into which the protrusions 68 and 69 fit, respectively. Is formed.

For this reason, when the dust box 67 is disposed between the support plates 62A and 62B of the brush unit main body 61 and the dust box 67 is moved upward, the protrusions 68 and 69 formed on the side surfaces 67A and 67B of the dust box 67 become the brush unit. The dust box 67 is attached to the brush unit main body 61 by fitting into the recesses 62A1 and 62B1 formed in the support plates 62A and 62B of the main body 61.
Further, when the dust box 67 is moved downward, the support plates 62A and 62B are curved outward by the protrusions 68 and 69, so that the protrusions 68 and 69 from the recesses 62A1 and 62B1 formed in the support plates 62A and 62B. Is removed, the dust box 67 is detached from the brush unit body 61.

In addition, an engaging piece (second engaging portion) 70 having a rectangular cross section is formed on one side surface 67 </ b> A of the dust box 67 below the protruding portion 68. The locking piece 70 is formed substantially in parallel with the horizontal direction in which the brush unit 51 moves, and engages with the support base 57 when the brush unit 51 moves to a predetermined position.
In the present embodiment, the predetermined position is a position at which the brush unit 51 reverses the traveling direction, and is a position corresponding to the end of the movable range of the brush unit 51. Whether or not the brush unit 51 has reached a predetermined position is determined by the operation of a limit switch (not shown) provided on the guide rails 52L and 52R.

The support pedestal 57 includes a standing wall 93 extending upward from the upper surface of the pedestal main body 80, and a hole (second engagement member) into which the locking piece 70 formed on the side surface 67 </ b> A of the dust box 67 is inserted. 82) is formed. The hole 94 is formed to be slightly larger than the locking piece 70 so that the locking piece 70 is reliably inserted.
Further, the height H of the pedestal main body 80 is formed substantially equal to the gap between the upper surface of the suction grill 30 and the lower surface of the brush unit 51 (that is, the lower surface of the dust box 67). For this reason, when the brush unit 51 operates in a direction approaching the support base 57 (X2 direction in the drawing) and the brush unit 51 moves to a predetermined position, the dust box 67 is placed on the base body 80, and The dust piece 67 is engaged with the suction grill 30 by inserting the locking piece 70 of the dust box 67 into a hole 94 formed in the standing wall 93 of the support base 57. In this case, the support pedestal 57 is chamfered at the corner 80A on the side where the brush unit 51 enters to prevent interference between the support pedestal 57 and the brush unit 51 (particularly the dust box 67).
Further, when the brush unit 51 is moved in a direction away from the support pedestal 57 (X1 direction in the figure), the locking piece 70 of the dust box 67 comes out of the hole 94 of the support pedestal 57, thereby the dust box 67 and the suction grill 30. Is disengaged.

  In the dust box 67, a dust peeling plate 58 extending over the entire width of the rotating brush 64 is provided. When the dust box 67 is mounted on the brush unit main body 61, the dust peeling plate 58 bends in a direction substantially along the outer peripheral surface of the rotating brush 64 and comes into contact with the rotating brush 64 (not shown). It has. When the rotating brush 64 rotates, the rotating brush 64 comes into contact with the claw portion, and the dust 200 attached to the rotating brush 64 is peeled off and stored in the dust box 67.

Next, the operation will be described.
The above-described cleaning mechanism 50 is operated when the operation of the ceiling-embedded air conditioner 100 is stopped, such as at midnight. When the movement motor 81 of the cleaning mechanism 50 is operated, the rotation of the movement motor 81 is transmitted to the pinions 88 and 90 via a plurality of transmissions, and the brush unit is rotated by the rotation of the pinions 88 and 90. 51 reciprocates on the guide rails 52L and 52R.
When the brush drive motor 71 is operated, as shown in FIG. 7, the rotation of the brush drive motor 71 is transmitted to the rotary brush 64 via a plurality of transmissions, and the rotary brush 64 is indicated by an arrow in the figure. Rotate in B direction. Due to the rotation of the rotating brush 64, the dust 200 adhering to the air filter 40 is scraped off by the rotating brush 64 and adheres to the rotating brush 64. The dust 200 adhering to the rotating brush 64 is peeled off from the rotating brush 64 by the dust peeling plate 58 and accommodated in the dust box 67.

In the present embodiment, when the operation time of the ceiling-mounted air conditioner 100 reaches a predetermined time (for example, three months), it is assumed that a predetermined amount or more of dust is stored in the dust box 67, and the dust discharging operation is executed. Is done.
Specifically, as shown in FIG. 7, the brush unit 51 moves on the guide rails 52 </ b> L and 52 </ b> R in a direction approaching the support base 57 (X2 direction in the drawing). Then, when the brush unit 51 moves above the support pedestal 57, the dust box 67 is placed on the pedestal main body 80 of the support pedestal 57 as shown in FIG. The dust box 67 is engaged with the suction grill 30 by being inserted into the hole 94 formed in the standing wall 93 of the support base 57.

Subsequently, with the dust box 67 engaged with the suction grill 30, the lifting unit 35 is operated to lower the suction grill 30. When the suction grill 30 moves downward (Y1 direction in FIG. 9), the dust box 67 that engages with the suction grill 30 also moves downward. Then, since the support plates 62A and 62B are curved outward (Z direction in FIG. 9) by the protrusions 68 and 69 formed on the side surfaces 67A and 67B of the dust box 67, as shown in FIG. The dust box 67 is detached from the brush unit main body 61 by the protrusions 68 and 69 being removed from the recesses 62A1 and 62B1 formed in the 62B.
In this case, the dust box 67 is placed on the pedestal main body 80, and the locking piece 70 of the dust box 67 is inserted into the hole 94 formed in the standing wall 93 of the support pedestal 57. 67 falls are prevented.
Thus, as shown in FIG. 10, the dust box 67 can be lowered together with the suction grill 30 while the air filter 40 and the brush unit main body 61 remain in the filter chamber 20. For this reason, the dust box 67 can be removed from the support base 57 of the suction grill 30 and the dust in the dust box 67 can be easily discarded.

When the disposal of the dust in the dust box 67 is completed, the dust box 67 is attached to the support base 57 of the suction grill 30 again, and the suction grill 30 is raised (in the Y2 direction in FIG. 9). 69, the support plates 62A, 62B of the brush unit main body 61 are curved outward (Z direction in FIG. 9), and when the projecting portions 68, 69 fit into the recesses 62A1, 62B1, the support plates 62A, 62B are In order to restore the original state, the dust box 67 is attached to the brush unit main body 61.
When the dust box 67 is attached to the brush unit main body 61, the brush unit 51 moves on the guide rails 52L and 52R in the direction away from the support base 57 (X1 direction in the drawing) as shown in FIG. Then, when the brush unit 51 reaches the standby position, the dust discharging operation is finished.

  As described above, according to the present embodiment, the main unit 1 having the heat exchanger 11 and the blower 9 and the decorative panel 21 disposed below the main unit 1 are provided. An air filter 40 that collects dust therein, and a brush unit 51 that moves on the air filter 40 and removes dust adhering to the air filter 40. The brush unit 51 includes a brush unit main body 61 and a brush unit 51. A dust box 67 that is detachably supported by the brush unit main body 61. When the brush unit 51 moves to a predetermined position, the dust unit 67 engages with the dust box 67, and the dust box 67 is attached to the air filter 40 and the brush unit main body 61. The air filter includes the suction grill 30 and the lifting unit 35 that are supported so as to be movable up and down. 0 and the brush unit main body 61 remain in the main unit 1, and the dust box 67 detached from the brush unit main body 61 is raised and lowered, so that the load on the lifting unit 35 can be reduced and the dust in the dust box 67 can be discarded. It can be done easily.

  Further, according to the present embodiment, the brush unit 51 that moves in the horizontal direction and the suction grill 30 that moves in the vertical direction (vertical direction) are provided. The brush unit 51 moves the dust box 67 and the brush unit main body 61 up and down. Projections 68 and 69 that can be freely engaged and disengaged, and recesses 62A1 and 62B1 of support plates 62A and 62B. Since the piece 70 is provided, the dust box 67 can be detached from the brush unit main body 61 and attached to the brush unit main body 61 with a simple configuration by combining the operations of the brush unit 51 and the suction grill 30.

  In addition, according to the present embodiment, the suction grill 30 is configured to be movable up and down with respect to the main unit 1, and the dust box 67 is detachably disposed on the suction grill 30, so the dust in the dust box 67 is discarded. In doing so, it is only necessary to lower the dust box 67 together with the suction grill 30 and to remove the dust box 67 from the suction grill 30, thereby reducing the disposal work.

  As mentioned above, although one Embodiment of this invention was described, this invention is not limited to this, A various change implementation is possible. For example, in the above-described embodiment, the configuration in which the dust box 67 is raised and lowered together with the suction grill 30 has been described. However, a hanging string may be provided at the four corners of the dust box 67 and only the dust box 67 may be raised and lowered.

1 is a perspective view of a ceiling-embedded air conditioner according to an embodiment of the present invention. It is a disassembled perspective view of a ceiling embedded type air conditioner. It is sectional drawing of a ceiling embedded type air conditioner. It is an external appearance perspective view of a brush unit. It is a perspective view which shows the state which removed the upper case from the state of FIG. It is a side view of a brush unit. It is side sectional drawing which shows a brush unit and a support base. It is a sectional side view which shows the state which the brush unit moved on the support base. It is a sectional side view which shows the state which the dust box removed from the brush unit main body. It is sectional drawing of the ceiling embedded type air conditioner which shows the state which lowered | hung the dust box with the suction grille.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body unit 9 Blower 11 Heat exchanger 20 Filter chamber 21 Cosmetic panel 22 Suction port 30 Suction grill 30A Side 30B Side 31 Suction port 35 Lifting unit 36-38 Hanging string 40 Air filter 51 Brush unit (removal device)
57 Support base 61 Brush unit body (removal device body)
62A, 62B Support plate 62A1, 62B1 Recessed portion 64 Rotating brush 68, 69 Protruding portion 70 Locking piece 80 Base body 93 Standing wall 94 Hole portion 100 Ceiling embedded type air conditioner (air conditioner)

Claims (2)

In an air conditioner comprising a main unit having a heat exchanger and a blower, and a decorative panel disposed below the main unit,
The main unit includes an air filter that collects dust in the air, and a removal device that moves on the air filter and removes dust attached to the air filter.
The removal device includes a removal device main body and a dust box that is detachably supported by the removal device main body.
When the removing device moves to a predetermined position, the suction grill of the decorative panel and the dust box are engaged, and when the removing device moves to a position away from the predetermined position, the suction grill and the dust box provided with a engaging means to release the engagement of the air conditioner, characterized in that it comprises a lifting means that temperature Kudasu the dust box with respect to the air filter and the elimination apparatus body together with the suction grille.   2. The air conditioner according to claim 1, wherein the elevating means is configured to be able to elevate and lower the suction grille of the decorative panel with respect to the main body unit.

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