JP2010223453A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner having a cleaning brush for a filter, whose tips of bristles are not bundled by oil, etc. <P>SOLUTION: The air conditioner is provided with a feazing means (a feazing brush 45) for exclusively feazing the bristles of the cleaning brush 43, adjacent to a refresh brush 44 for retrieving dust adhering to the cleaning brush 43. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an air conditioner (indoor unit) having a function of automatically cleaning a filter, and more specifically, relates to an air conditioner having a more compact housing by devising a moving path of a filter.

  For example, as shown in Patent Document 1, some indoor unit units of recent air conditioners (air conditioners) have a filter cleaning function that automatically removes dust adhering to a filter.

  The filter cleaning function has a filter attached to the main body cabinet so as to cover the air suction port and a cleaning unit that collects dust attached to the filter, and moves the filter within the cleaning unit to remove dust attached to the filter. In general, the waste is collected by a cleaning unit and stored in a dust box.

  The filter cleaning device described in Patent Document 1 has a cleaning brush that contacts a filter and collects dust, and a refresh brush that collects dust attached to the cleaning brush, and contacts the cleaning brush with the refresh brush. By rotating while rotating, the dust attached to the cleaning brush is collected with a refresh brush.

  However, the filter cleaning device described in Patent Document 1 has the following problems. That is, if you continue to use an air conditioner in a space filled with oily smoke, such as in a kitchen or factory, oil will adhere to the tips of the cleaning brush and the tips of the brush will be bundled, resulting in a garbage collection rate. Had fallen remarkably.

JP 2007-107764 A

  Therefore, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an air conditioner in which the hair ends of the cleaning brush of the filter are not bundled by oil or the like. .

  In order to solve the above-described problems, the present invention has several features described below. The invention according to claim 1 is an air conditioner having a filter disposed along an air suction port in an indoor unit housing and a filter cleaning means for removing dust attached to the filter with a cleaning brush. The filter cleaning means is provided with a hair removal means for loosening the brush hair of the cleaning brush.

  According to a second aspect of the present invention, in the first aspect, the filter cleaning means is provided with a refresh brush that removes dust adhering to the cleaning brush. It is provided adjacent to the brush.

  A third aspect of the present invention is the first or second aspect, wherein the hair removal means includes a base installed on a brush stand of the refresh brush, and a hair removal portion erected from the base. It is characterized by being.

  A fourth aspect of the present invention is characterized in that, in the third aspect, the depilatory portion is formed to be higher than at least the rigidity of the brush portion of the refresh brush.

  A fifth aspect of the present invention is characterized in that, in the third or fourth aspect, the depilatory portion is formed in a rib shape or a brush shape formed in parallel along the flow direction of the cleaning brush. It is said.

  According to the first aspect of the present invention, since the hair removal means for loosening the brush hair of the cleaning brush is further provided, even if the brush tips are bundled by oil or the like, the hair removal by the hair removal means. Unraveling can prevent a reduction in the collection efficiency of garbage.

  According to the second aspect of the present invention, the brush further includes a refresh brush for removing dust adhering to the cleaning brush in the dust box, and provided with a hair release means adjacent to the refresh brush. Hair removal can be performed simultaneously.

  According to the third aspect of the present invention, by sharing a part of the brush stand of the refresh brush and providing the base of the hair releasing means, it is possible not only to reduce the installation cost but also to collect more garbage. can do.

  According to the fourth aspect of the present invention, the hair release portion of the hair release means is more rigid than the brush hair of the cleaning brush, so that the hair release portion can be reliably inserted into the brush hair of the cleaning brush. Can be processed.

  According to the invention described in claim 5, the hair removal portion is formed in a parallel rib shape or brush shape along the flow direction of the cleaning brush, so that the hair removal portion is cleaned along the flow direction of the filter. The brush can be unraveled reliably.

The typical sectional view of the air harmony machine (indoor unit) concerning one embodiment of the present invention. The schematic diagram which showed the structure of the cleaning unit typically. The perspective view of a depilatory part. The schematic diagram showing the relationship between a hair removal part and a cleaning brush. (A) Main part sectional drawing of a depilatory part, (b) Sectional drawing showing the modification of a depilatory part, (c) Sectional drawing showing the modification of a depilatory part. (A)-(e) The schematic diagram showing the cleaning procedure of a cleaning brush.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto. As shown in FIG. 1, the indoor unit 1 of this air conditioner includes a base panel 10 supported on a wall surface via a back plate (not shown).

  A heat exchanger 2 and a cross flow fan (not shown) are supported on the base panel 10 so as to be bridged. In the present invention, the specific configurations of the heat exchanger 2 and the crossflow fan may be arbitrary, and descriptions thereof are omitted.

  In addition, an air outlet, a wind direction plate, a diffuser (both not shown), and the like are provided on the lower surface side of the base panel 10, but in the present invention, these configurations are not particularly limited, and the description thereof is also provided. Omitted.

  The base panel 10 includes an upper panel 11 that covers the upper surface of the heat exchanger 2, a front panel 12 that covers the front surface of the heat exchanger 2, and a pair of side panels that support the left and right ends of the heat exchanger 2 (not shown). And. In this example, each panel is made of a molded product of synthetic resin.

  The upper panel 11 and the front panel 12 are provided with an air suction grille 14 for taking air into the indoor unit 1. A part of the front panel 12 is provided with an open panel 15 that opens and closes during operation to increase the opening area of the suction grille 14 and increase the air inflow amount.

  A filter 3 is detachably provided inside the indoor unit 1. In this example, the filter 3 is provided along the inside of the air inlet. Each frame of the filter 3 is provided with a rack (both not shown) meshed with a filter driving means 42 described later.

  The filter 3 is slidably attached along a filter guide 31 provided in the indoor unit 1. The filter guide 31 is formed in an arch shape from the top panel 11 to the front panel 12, and the filter 3 is disposed along the filter guide 31, so that the filter 3 is disposed on the upstream side of the heat exchanger 2. .

  A filter cleaning unit 4 for cleaning the filter 3 is further provided inside the indoor unit 1. The filter cleaning unit 4 includes a dust box 41 that collects dust attached to the filter 3 and a filter driving unit 42 that moves the filter 3 through the dust box 41.

  The dust box 41 is disposed below the inner peripheral surface of the front panel 12, and a space for storing dust is secured inside. As shown in FIG. 2, a cleaning brush 43 that scrapes dust by contacting the filter 3 and a refresh brush 44 that collects dust attached to the cleaning brush 43 are provided inside the dust box 41.

  The cleaning brush 43 includes a rotation base 431 provided to be rotatable about a horizontal rotation axis, and a brush body 432 disposed in a fan shape on the rotation base 431. The brush main body 432 is made of resin and is planted so as to be orthogonal or acutely in contact with the moving direction of the filter 3 during cleaning.

  The refresh brush 44 includes an arch-shaped brush base 441 disposed on the outer peripheral side of the cleaning brush 43 and a refresh brush main body 442 implanted on the inner peripheral surface of the brush base 441 (the surface facing the cleaning brush 43). I have.

  The refresh brush body 442 is an inclined brush that is disposed along the inner peripheral surface of the brush base 441 and is planted so as to be inclined at a predetermined angle from the root of the brush base 441. In this example, the refresh brush main body 442 is inclined so as to contact at an acute angle with respect to the rotation direction of the cleaning brush 43 (clockwise in FIG. 2).

  In the present invention, the specific shapes and specifications of the dust box 41, the cleaning brush 43, and the collection brush 44 are selected according to the specifications as long as they have a basic mechanism capable of collecting dust attached to the filter. May be.

  The filter cleaning unit 4 is further provided with a hair release brush 45 as a hair release means for loosening the cleaning brush 43 exclusively. Referring also to FIG. 3, the hair release brush 45 includes a rectangular brush base 451 provided integrally with a part of the collection brush 44, and a hair release part 452 planted on the brush base 451. It has.

  The brush base 451 is substantially the same as the width of the cleaning brush 43 (in the direction perpendicular to the paper surface in FIG. 2), and is installed in parallel along the width direction of the brush base 441 of the collection brush 44. The brush base 451 may also serve as the brush base 441 of the collection brush 44.

  The hair-breaking portion 452 is provided with a large number of ribs formed in parallel along the moving direction of the cleaning brush 43 with a predetermined interval. A material having higher rigidity than at least the brush main body 432 of the cleaning brush 43 is used for the hair releasing portion 452.

  As shown in FIG. 4, the depilatory portion 452 is preferably provided so that the buried length b is buried at least 2.0 mm or more from the brush surface of the cleaning brush 43.

  As a more preferable aspect, it is preferable that the height (b> D / 2) is set to be at least half of the height D from the brush surface to the root of the cleaning brush 43. According to this, the cleaning brush 43 can be surely unwound and the tip of the cleaning brush 43 can be reliably prevented from being bundled by oil or the like.

  In this example, the depilatory portion 452 is provided with a number of parallel ribs at predetermined intervals along the moving direction of the cleaning brush 43 (vertical direction in FIG. 4A) as shown in FIG. However, in order to further improve the hair removal efficiency, the rib may be inclined at a predetermined angle with respect to the moving direction of the cleaning brush 43 as shown in FIG.

  More preferably, it is preferable that a part of the adjacent ribs is inclined so as to overlap when viewed from the moving direction of the cleaning brush 43. According to this, by inclining the rib by a predetermined angle with respect to the moving direction of the cleaning brush 43, almost the entire region of the cleaning brush 43 can be uniformly removed, and the efficiency of hair removal can be further improved.

  As another aspect, as shown in FIG.5 (c), the hair-breaking part 452 may use many brush hair-like things. In this example, the depilatory portions 452 are arranged in a staggered manner, but may be arranged in a lattice shape. Such an embodiment is also included in the present invention.

  The filter driving means 42 includes a gear driven by a motor (not shown), and meshes with a rack formed on the frame of the filter 3 described above. The filter driving means 42 moves the filter 3 along the filter guide 31 in response to a command from a control means (not shown).

  A filter outlet 17 for leading the filter 3 out of the indoor unit housing is provided on the lower end side of the front panel 12, and a filter moving path of the dust box 41 is secured adjacent to the filter outlet 17.

  Next, an example of a procedure from depilation to filter cleaning will be described with reference to FIGS. These series of operations are controlled by a control unit (not shown). As shown in FIG. 6A, before starting the filter cleaning, the control means (not shown) rotates the cleaning brush 43 so that the cleaning brush 43 is positioned on the refresh brush 44. This position is an initial position (standby position) from the end of cleaning of the cleaning brush 43 to the start of the next cleaning.

  When a start signal for filter cleaning is issued from the control unit, the cleaning brush 43 at the initial position shown in FIG. 6A is moved downward by the driving means as shown in FIG. 6B. At that time, the brush main body 432 is unraveled by moving while contacting the depilatory brush 45.

  The cleaning brush 43 that has been depilated by the depilatory brush 45 is fixed so as to contact the surface of the filter 3. Next, the control unit issues a command to the filter driving means to move the filter 3. Accordingly, as shown in FIG. 6C, the dust D adhering to the filter 3 is collected by the cleaning brush 43.

  After moving the filter 3 to a predetermined position, the control unit rotates the cleaning brush 43 toward the filter 3 side. As a result, the refresh brush 44 comes into contact with the cleaning brush 43 at an acute angle, so that the dust D adhering to the cleaning brush 43 is captured and stored in the dust box.

  Thereafter, the control unit issues an initialization command, and returns the cleaning brush 43 to the initial position (FIG. 6A). The procedure for unraveling the cleaning brush 43 by the depilatory brush 45 by a series of operations has been described above, but this is only an example, and if the depilatory means for the cleaning brush 43 by the depilatory brush 45 is provided, The order and mechanism of the filter cleaning procedure may be arbitrary.

  In this example, the cleaning brush 43 and the hair release brush 45 are provided in the dust box 41, but they may be provided outside the dust box 41.

  In this example, the filter cleaning is performed by moving the filter 3 with respect to the cleaning brush 4. However, the filter cleaning unit 4 side may be moved with respect to the fixed filter 3, and the filter 3 and the filter cleaning unit 4 may be moved. Need only move relative to each other.

1 Air conditioner (indoor unit)
2 Heat exchanger 3 Filter 4 Filter cleaning unit 41 Dust box 42 Filter drive means 43 Cleaning brush 44 Refresh brush 45 Depilatory brush

Claims (5)

In the air conditioner having a filter disposed along the air suction port in the indoor unit housing and a filter cleaning means for removing dust attached to the filter with a cleaning brush,
An air conditioner characterized in that the filter cleaning means is provided with a hair releasing means for releasing the brush hair of the cleaning brush.   The filter cleaning means is provided with a refresh brush for removing dust adhering to the cleaning brush, and the hair removal means is provided adjacent to the refresh brush. Item 2. An air conditioner according to Item 1.   3. The air conditioner according to claim 1, wherein the hair release means includes a base installed on a brush stand of the refresh brush and a hair release unit erected from the base. .   The air conditioner according to claim 3, wherein the hair release portion is formed to be higher than at least the rigidity of the brush portion of the refresh brush.   The air conditioner according to claim 3 or 4, wherein the depilatory portion is formed in a rib shape or a brush shape formed in parallel along the flow direction of the cleaning brush.

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