JP2019184094A - Air conditioner - Google Patents

Abstract

An object of the present invention is to improve the reliability of a mechanism for lowering a dust box. A heat exchanger (9) is provided on a ceiling (C) and has a main body (2) having a fan (10) for sucking air from below. A planar filter 7 for collecting insects, an attracting device 11 disposed above the filter 7 and having a function of attracting insects, an insect collecting device 12 for collecting insects attached to the filter 7, and an insect collecting device 12 Provided is an air conditioner 1 including a dust box 13 for storing the insects collected by the above and a lifting device 14 for lifting and lowering only the dust box 13. [Selection] Figure 2

Description

  The present invention relates to an air conditioner.

  2. Description of the Related Art Conventionally, an air conditioner that is provided on an indoor ceiling and adjusts the temperature and humidity of indoor air is known. In such an air conditioner, there is known an air conditioner in which a suction port for sucking air from below is provided in a central portion, and a plurality of air outlets are provided so as to surround the periphery.

  The air conditioner has a filter for removing dust contained in the sucked air. Patent Document 1 discloses an air conditioner that has a removing unit that removes dust attached to a filter and can lower a suction grille provided with a dust box in which dust is stored.

JP 2010-17502 A

  By the way, since the air conditioner described in Patent Document 1 is configured to lower the entire suction grille, there is a problem that a large load is applied to the mechanism for lowering.

  An object of this invention is to provide the air conditioner which can improve the reliability of the mechanism for lowering a dust box.

  According to the first aspect of the present invention, the air conditioner is provided on the ceiling, is provided with a heat exchanger, a main body having a fan that sucks air from below, and provided below the fan. A planar filter that collects insects that flow in with the sucked air, an attracting device that is disposed above the filter and has a function of attracting insects, and an insect collecting device that collects the insects attached to the filter And a dust box for storing the insects collected by the insect collecting device, and a lifting device for raising and lowering only the dust box.

According to such a configuration, it is possible to reduce the burden on the lifting device by raising and lowering only the dust box in which insects are stored. Thereby, the reliability of the lifting device can be improved.
Further, by arranging the attracting device above the filter, insects can be efficiently attached to the filter.

  In the above air conditioner, a sensor for measuring the volume of insects stored in the dust box, and when the insect volume measured by the sensor exceeds a predetermined amount, the lifting device is controlled to lower the dust box. And a control device.

  According to such a structure, the frequency | count of raising / lowering a dust box can be reduced compared with the case where a dust box is periodically raised / lowered.

  The air conditioner includes a control device that measures an accumulated time during which the main body is operated and controls the lifting device to lower the dust box when the accumulated time reaches a predetermined length. You can do it.

  According to such a configuration, the lifting device can be raised and lowered without using a sensor for measuring the bulk of insects.

  In the air conditioner, the lifting device includes a motor fixed to the main body, a wire wound around a shaft of the motor, and a hook attached to a tip of the wire, and the dust box is The hook may be hooked.

  According to such a configuration, the dust box can be easily removed and the dust box can be cleaned.

According to the present invention, by lifting and lowering only the dust box in which insects are stored, the burden on the lifting device can be reduced. Thereby, the reliability of the lifting device can be improved.
Further, by arranging the attracting device above the filter, insects can be efficiently attached to the filter.

It is the perspective view which looked at the air conditioner of embodiment of this invention from the downward direction. It is sectional drawing of the air conditioner of embodiment of this invention. It is a perspective view of the insect recovery device, the lifting device, and the dust box of the air conditioner according to the embodiment of the present invention. It is a side view explaining the operation | movement of the insect collection | recovery apparatus of the air conditioner of embodiment of this invention. It is a disassembled perspective view of the dust box and the raising / lowering apparatus of the air conditioner of embodiment of this invention.

Hereinafter, an air conditioner (indoor unit) according to an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in FIG.1 and FIG.2, the air conditioner 1 has the main-body part 2 embedded in the indoor ceiling C, and the panel part 3 which covers the main-body part 2 from the downward direction. The air conditioner 1 adjusts the temperature and humidity of the air sucked through the suction port 4 and blows it out into the room through the air outlet 5 as conditioned air.

  A filter 7 that collects dust and insects contained in the sucked air is provided inside (above) the suction port 4 of the air conditioner 1. The air conditioner 1 of the present embodiment includes a dust box 13 that stores insects collected by the filter 7 and a lifting device 14 that lifts and lowers only the dust box 13. FIG. 1 shows the air conditioner 1 with the dust box 13 lowered.

  The main body 2 includes a box-shaped housing 8 opened at the lower side, a heat exchanger 9 accommodated in the housing 8, a blower fan 10 disposed below the heat exchanger 9, and a lower part of the blower fan 10. A filter 7 provided on the filter 7, an attracting device 11 disposed above the filter 7, an insect collecting device 12 that collects insects attached to the filter 7, and a dust box 13 that stores the insects collected by the insect collecting device 12. And a sensor 16 that measures the bulk of insects stored in the dust box 13, a lifting device 14 that lifts and lowers only the dust box 13, and a control device 17 that controls the lifting device 14. An outdoor unit (not shown) is connected to the main body 2 so that the refrigerant circulates between the main unit 2 and the outdoor unit.

  The panel unit 3 has a substantially square shape when viewed from below. The suction port 4 is formed in the center portion of the panel portion 3 so as to open downward. The suction port 4 is provided with a lattice-shaped suction grille. Indoor air is sucked from the suction port 4. The suction port 4 has a substantially square shape when viewed from below, like the panel portion 3. Each of the four sides of the panel portion 3 and each of the four sides of the suction port 4 are parallel to each other.

The air outlet 5 is formed in the panel portion 3 so as to open downward so as to surround the suction port 4. The blower outlet 5 is provided so that one may extend along each side so as to correspond to each side of the panel part 3. Each outlet 5 has a substantially rectangular shape when viewed from below. The air sucked from the suction port 4 is air conditioned in the main body 2 and then blown into the room from the air outlet 5.
The panel unit 3 is formed with a dust box passage hole 15 through which the dust box 13 passes when the dust box 13 moves up and down. The dust box passage hole 15 is arranged between any one of the four outlets 5 and the inlet 4 so as to be parallel to the outlet 5.

  The filter 7 is a planar member that collects insects that flow in with the air sucked by the blower fan 10. The filter 7 is disposed below the blower fan 10 and in the upward flow generated by the blower fan 10. The filter 7 is fixed to the housing 8 by a predetermined method.

  The attracting device 11 connects the attracting device main body 19 fixed to the approximate center of the main body 2 below the blower fan 10 and above the filter 7, and the attracting device main body 19 and the housing 8. And a bracket 20 for holding the position of the apparatus main body 19. The attracting device 11 can be configured by, for example, an attracting light source that irradiates light containing ultraviolet rays that attract insects. As the attracting device 11, for example, a device that emits a scent preferred by insects can be used.

  As shown in FIG. 3, the insect collecting device 12 includes a brush portion 21 that scrapes off insects attached to the filter 7, a casing 22 that temporarily stores the insects scraped off by the brush portion 21, and a brush portion 21. It has a pair of rail part 23 which guides both ends, and a brush drive device (not shown) which runs while rotating the brush part 21 on the surface of the filter 7.

The brush unit 21 includes a shaft 24 extending along the lower surface of the rectangular filter 7 and a brush 25 provided around the shaft 24.
The pair of rail portions 23 are guide members extending in the horizontal direction orthogonal to the extending direction of the brush portion 21. A rack gear is formed on the rail portion 23 over the entire length.
The brush drive device includes a motor that rotates the brush portion 21 and a pinion gear that meshes with the rack gear of the rail portion 23 and rotates as the motor rotates.

The casing 22 accommodates the brush portion 21 and the brush drive device, and has a function of temporarily storing insects scraped by the brush portion 21.
The casing 22 is provided with a gate 26 for dropping the stored insects downward. The gate 26 opens when the casing 22 moves to a position indicated by a one-dot chain line in FIG. This position is a position where the dust box 13 moves up and down.

  The dust box 13 is a box-like member having an upper opening that is disposed at a position where insects can be received when the gate 26 of the insect collecting apparatus 12 is opened. The dust box 13 extends along the longitudinal direction of the brush portion 21. The dust box 13 has a rectangular bottom surface 27 and four side surfaces 28 that rise upward from the four sides of the bottom surface 27.

The dust box 13 can be moved up and down between an upper position (position shown in FIG. 2) and a lower position (position shown in FIG. 1) by the lifting device 14. The dust box 13 is set so that the bottom surface 27 of the dust box 13 is flush with the main surface of the panel unit 3 when the dust box 13 is positioned at the upper position by the lifting device 14.
A peelable film is attached to the inner surface of the dust box 13. The dirt of the dust box 13 can be easily removed by peeling off the film when the inner surface of the dust box 13 is dirty.

  The lifting device 14 includes a motor 29 fixed to the housing 8, a lifting wire 30 wound around a shaft of the motor 29, and a dust box removal hook 31 attached to the tip of the lifting wire 30. Yes. The dust box 13 is hooked on the dust box removal hook 31.

The dust box removal hook 31 has a lever 32. By operating the lever 32, the dust box removal hook 31 can be switched between the open state and the closed state shown in FIG.
At both ends of the dust box 13 in the longitudinal direction, through holes 34 for hooking the dust box suspension fittings 33 are provided.

  The dust box hanging metal fitting 33 is a metal fitting for enabling the dust box 13 to be suspended by the dust box removal hook 31, dust box fixing portions 35 that are hooked in the through holes 34 of the dust box 13 are formed at both ends, and at the center portion. A hook hook metal fitting 36 for hooking the dust box removal hook 31 is provided.

  The elevating device 14 and the control device 17 are electrically connected. That is, the control device 17 can raise and lower the dust box 13 by controlling the lifting device 14.

  The sensor 16 is located at an upper position and has a function of measuring the volume of insects stored in the dust box 13 stored in the panel unit 3. As the sensor 16, for example, an optical reflection type sensor can be adopted. The sensor 16 and the control device 17 are electrically connected.

  The control device 17 measures the bulk of the insects stored in the dust box 13 using the sensor 16 and determines whether the bulk of the insects has reached a predetermined height (exceeds a predetermined amount) or not. And a dust box lowering portion that controls the lifting device 14 to lower the dust box 13 when the bulk of the insect is higher than a predetermined height.

Next, the effect | action of the air conditioner 1 of this embodiment is demonstrated.
During operation of the air conditioner 1, dust and insects adhere to the filter 7 due to the upward flow generated by the blower fan 10. By operating the attracting device 11, insects are attracted to the attracting device 11 and easily adhere to the filter 7.

For example, the control device 17 operates the insect collecting device 12 at a timing when the power of the air conditioner 1 is turned off.
When the power of the air conditioner 1 is turned off by the user, the control device 17 operates the brush driving device of the insect collecting device 12. As the motor of the brush drive device rotates, the brush portion 21 moves on the filter 7, and insects attached to the filter 7 are stored in the casing 22. When the brush portion 21 moves to the position indicated by the alternate long and short dash line in FIG. 4, the gate 26 opens and the insect falls into the dust box 13.

  The bulkiness determination unit of the control device 17 measures the bulk of insects stored in the dust box 13 and determines whether or not the bulk of the insects has reached a predetermined height. The dust box lowering portion of the control device 17 controls the lifting device 14 to lower the dust box 13 when the insect bulk is higher than a predetermined height. As the dust box 13 is lowered to the lower position, the user can remove the insects in the dust box 13.

According to the said embodiment, the load concerning the raising / lowering apparatus 14 can be reduced by raising / lowering only the dust box 13 in which the insect was stored. Thereby, the reliability of the raising / lowering apparatus 14 can be improved.
In addition, by arranging the attracting device 11 above the filter 7, insects can be efficiently attached to the filter 7.

  Further, the control device 17 measures the bulk of the insects stored in the dust box 13 using the sensor 16, and when the bulk of the insects is higher than a predetermined height, the dust box 13 is periodically lowered to lower the dust box 13. Compared with the case where it raises / lowers, the frequency | count of raising / lowering the dust box 13 can be reduced.

  Further, since the lifting device 14 has the dust box removal hook 31 and the dust box 13 is hooked on the dust box removal hook 31, the dust box 13 can be easily removed and the dust box 13 can be cleaned.

(Modification)
Next, a modified example of the present invention will be described. In the modified example, the difference from the above-described embodiment will be mainly described, and the description of the same part will be omitted.
The control device 17 of the modified example measures the accumulated time that the main body unit 2 is operated, and controls the lifting device 14 to lower the dust box 13 when the accumulated time reaches a predetermined length. The air conditioner 1 according to the modified example raises and lowers the dust box 13 according to the accumulated time that the main body 2 is operated regardless of the bulk of the insects stored in the dust box 13.
According to such a structure, the raising / lowering apparatus 14 can be raised / lowered without using the sensor which measures the bulk of an insect.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes design changes and the like within a scope not departing from the gist of the present invention. .
In the above embodiment, the insect collecting device 12 scrapes off the insects on the filter 7 using the brush 25. However, the present invention is not limited to this. For example, the insect collecting device 12 sucks and collects the insects using a suction device. It is good also as composition to do.

DESCRIPTION OF SYMBOLS 1 Air conditioner 2 Main body part 3 Panel part 4 Suction inlet 5 Outlet 7 Filter 8 Housing 9 Heat exchanger 10 Blower fan (fan)
DESCRIPTION OF SYMBOLS 11 Attracting device 12 Insect collecting device 13 Dust box 14 Lifting device 15 Dust box passage hole 16 Sensor 17 Control device 19 Attracting device body 20 Bracket 21 Brush portion 22 Casing 23 Rail portion 24 Shaft 25 Brush 26 Gate 27 Bottom surface 28 Side 29 Motor 30 For lifting Wire 31 Dust box removal hook 32 Lever 33 Dust box hanging bracket 34 Through hole 35 Dust box fixing part 36 Hook hook bracket C Ceiling

Claims (4)

A heat exchanger, and a main body having a fan that sucks air from below;
A planar filter that is provided below the fan and collects insects flowing in with the air sucked by the fan;
An attracting device disposed above the filter and having a function of attracting insects;
An insect collecting device for collecting the insects attached to the filter;
A dust box for storing the insects recovered by the insect recovery device;
An air conditioner comprising: a lifting device that lifts and lowers only the dust box. A sensor for measuring the bulk of insects stored in the dust box;
The air conditioner according to claim 1, further comprising: a control device that controls the lifting device to lower the dust box when the bulk of the insect measured by the sensor exceeds a predetermined amount.   2. The control device according to claim 1, further comprising: a control device that measures an accumulated time during which the main body is operated and controls the lifting device to lower the dust box when the accumulated time reaches a predetermined length. Air conditioner. The lifting device is
A motor fixed to the main body,
A wire wound around the shaft of the motor;
A hook attached to the tip of the wire;
The air conditioner according to any one of claims 1 to 3, wherein the dust box is hooked on the hook.

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