JP2006292271A - Outdoor unit for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem in an air conditioner including a wind direction deflecting plate controlling wind direction provided in the vicinity of an outlet port that, when the blowing angle is controlled with a large deflecting angle, blown air is not carried along the surface of the wind direction deflecting plate but separated therefrom, resulting in deterioration of ventilation efficiency and increase of ventilation resistance and fan motor input. <P>SOLUTION: This outdoor unit comprises a blower, a heat exchanger, an air inlet port, an air outlet port, and a wind direction deflecting plate consisting of a polymer sheet which is warped and deformed by applying voltage into the outlet port. Optimum warping deflection is performed according to the blowing angle, whereby the separation of blown air from the wind direction deflecting plate is prevented to minimize the ventilation resistance of the wind direction deflecting plate. Accordingly, the blowing efficiency can be improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an air conditioner, and more particularly to an indoor unit.

  In an indoor unit of an air conditioner, room air is sucked from an air suction port, and after adjusting the temperature by heat exchange in a heat exchanger, the air is blown into the room as air-conditioned air from the air blowing port.

  FIG. 6 shows an indoor unit of a conventional air conditioner.

  As shown in the figure, a general indoor unit of this type of air conditioner is required to vary the air blowing air blowing angle from the viewpoint of improving the indoor air conditioning characteristics.

As means for responding to such a request, for example, as shown in Patent Document 1, in a ceiling-suspended type air conditioner or a wall-mounted type air conditioner, a wind direction deflecting plate is provided so as to cross the air outlet in the air outlet. It is known that the direction of the blown air flow is changed by changing the angle of the wind direction deflecting plate.
Japanese Patent Laid-Open No. 2002-257088

  However, in the conventional configuration, when the blown air flow is deflected at a large angle, the blown air flow flowing in the air blowout port is suddenly changed by a wind direction deflecting plate in a direction different from the blowout direction of the blowout port. Since it is forcibly bent, there is a problem that air turbulence becomes large in the negative pressure region located on the back side of the wind direction deflecting plate with respect to the blown air flow, and blowing noise due to the turbulence of the air flow becomes large. .

  At this time, the conventional wind direction deflector plate has a linear shape or a circular arc shape with a large curvature radius in order to reduce the air flow blowing resistance when blowing in the blowing direction of the blowing port, and therefore differs from the blowing direction of the blowing port. It is necessary to set a large deflection angle of the wind direction deflecting plate in the case of blowing in the direction, so that the air flow blowing resistance of the wind direction deflecting plate is large, so that the predetermined predetermined air volume cannot be obtained or the predetermined air volume is In order to ensure, there was also a problem such as an increase in fan input.

  An object of the present invention is to solve the above-mentioned conventional problems, and to provide an indoor unit of an air conditioner that achieves low noise and reduced power consumption.

  In order to solve the above-described conventional problems, an indoor unit of an air conditioner according to the present invention includes a blower, a heat exchanger, an air inlet, an air outlet, and a polymer sheet that warps and deforms by applying a voltage. Even when blowing in a direction greatly different from the blowing direction of the blowing port, the radius of curvature is reduced without greatly changing the setting angle of the blowing direction deflecting plate. By directing only the downstream side in the blowing direction with respect to the air flow, the blowing noise due to the turbulence in the negative pressure region located on the back side of the wind direction deflecting plate and the air flow blowing of the wind direction deflecting plate with respect to the blowing air flow It is possible to obtain a predetermined predetermined air volume without increasing the resistance.

  Further, the indoor unit of the air conditioner of the present invention is characterized in that the polymer sheet is composed of an ion conductive polymer element having a property of being warped and deformed by applying a voltage. is there.

  Thus, in addition to the above effect, the polymer sheet is composed of an ion conductive polymer element having a property of warping and deforming by applying a voltage, so that the air flow blowing angle from the air blowing port Can be electrically changed, and the controllability is improved at each stage.

  The polymer sheet of the indoor unit of the air conditioner of the present invention is characterized in that it is encapsulated with a thin plate-like elastic resin material. Thereby, the elastic resin material prevents the polymer sheet and the electrode from being exposed to the outside, improves the aesthetics and improves the commercial value, and prevents the polymer sheet and the electrode from being damaged. Durability can be improved.

  Moreover, the indoor unit of the air conditioner of the present invention is characterized in that a voltage is applied to the polymer sheet only when the indoor unit is warped and deformed.

  This makes it possible to consume less power and to save energy compared to the case where voltage application is always required not only during shape deformation but also during the holding period after deformation like shape memory alloys. Is possible.

  In the indoor unit of the air conditioner of the present invention, the wind direction deflecting plate is configured by arranging a plurality of the polymer sheets arranged in the plane direction, and a voltage application form for each of the polymer sheets is provided. It is possible to set individually according to the part of the air outlet. Accordingly, it is possible to diversify the blown air flow by individually setting the voltage application mode for each polymer sheet and changing the warp deformation mode.

  As described above, the indoor unit of the air conditioner of the present invention can reduce noise and improve air blowing efficiency.

  A first invention is an indoor unit of an air conditioner having a blower, a heat exchanger, an air inlet and an air outlet, and is a polymer sheet that warps and deforms when a voltage is applied to the inside of the outlet. The wind direction deflecting plate is provided, and this configuration makes it possible to efficiently deflect the blown air and reduce noise and fan motor input.

  In the second invention, in particular, the polymer sheet of the first invention is constituted by an ion conductive polymer element having a property of warping and deforming by applying a voltage. By making this configuration, The blown air can be deflected at an arbitrary angle.

  The third invention is the one in which the polymer sheet of the first and second inventions is particularly encapsulated with a thin elastic resin material, and by making this configuration, the wind direction with good blowing efficiency while improving the durability. Deflection can be performed.

In the fourth aspect of the invention, in particular, the wind direction deflecting plate of the first aspect of the invention is configured such that a voltage is applied to the polymer sheet only when the plate is warped and deformed. The energy used can be kept to a minimum.

  According to a fifth aspect of the invention, in particular, the wind direction deflecting plate of the first or fourth aspect of the invention is configured by arranging and arranging a plurality of polymer sheets in the surface direction, and a voltage application mode for each of the polymer sheets is provided. It can be set individually according to the location of the air outlet, and by making this configuration, fine wind direction deflection can be performed.

  Embodiments of the present invention will be described below with reference to FIGS. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 to 2 show an indoor unit of an air conditioner according to Embodiment 1 of the present invention.

  A configuration in which a blower 1, a heat exchanger 2, an air suction port 3, an air blowing port 4, and a wind direction deflecting plate 5 made of a polymer sheet 6 that is warped and deformed by applying a voltage inside the blowing port; It has become.

  FIG. 1 shows a case where the air is blown out in the forward direction. As can be seen from this figure, the wind direction deflecting plate 5 has a straight line or an arc shape with a very large radius of curvature, and the air of the wind direction deflecting plate 5 is shown in FIG. The flow-out resistance is small.

  On the other hand, FIG. 2 shows a case where the air is blown out so that the blowing direction is downward.

  In this case, by reducing the curvature radius and warping and deforming so that only the downstream side is directed in the blowing direction with respect to the air flow, the air flow flows along the wind direction deflecting plate 5 and becomes a blown air flow. On the other hand, air turbulence does not occur in the negative pressure region located on the back side of the wind direction deflecting plate 5, and blowing noise due to air turbulence can be reduced.

  Further, the air flow blowing resistance of the wind direction deflecting plate 5 is not increased, and a predetermined air flow that is originally planned can be obtained, and the air blow-out of the air flow is performed without increasing the fan input in order to ensure the predetermined air flow. You can change the angle.

  Here, the wind direction deflecting plate 5 is formed of a polymer sheet 6 formed using a well-known ion conductive polymer element 7 that generates a warp deformation when a voltage is applied.

  As shown in FIG. 3, the ion conductive polymer element 7 is a plate-like member configured by disposing electrodes 9 and 10 on both surfaces of the ion conductive polymer element 7, respectively. 10 is connected to the DC power source 12 via the polarity changeover switch 11 and the polarity changeover of the electrode 9 and the electrode 10 is appropriately changed by the changeover operation of the polarity changeover switch 11 to cause warping deformation. .

  Specifically, as shown in FIG. 3, when the electrode 9 is set to “anode” and the electrode 10 is set to “cathode”, the “cation 14” in the ion conductive polymer element 7 is accompanied by water. To the “cathode” side, the water content is unevenly distributed on the “cathode” side, and there is a difference in swelling between the “cathode” side and the “anode” side, so that the ion conductive polymer element is on the “cathode” side. That is, it is warped and deformed in a convex shape toward the electrode 9 side.

On the contrary, when the electrode 9 is set as the “cathode” and the electrode 10 is set as the “anode”, the “cation 14” in the ion conductive polymer element 7 moves to the “cathode” side along with water and is contained. The amount of water is unevenly distributed on the “cathode” side, and a swelling difference occurs between the “cathode” side and the “anode” side, so that the ion conductive polymer element 7 protrudes toward the “cathode” side, that is, the electrode 10 side. It is warped and deformed.

  Thus, the ion conductive polymer element 7 can be warped and deformed by changing the polarity of voltage application.

  Furthermore, as shown in FIG. 4, the polymer sheet 6 may be formed by laminating a plurality of the ion conductive polymer elements 7 and encapsulating them with an elastic resin material 13.

  In addition, the ion conductive polymer element 7 has the property of maintaining the warped deformation state before the voltage application is stopped even if the voltage is applied after the voltage is applied and warped and deformed to a predetermined side. Therefore, it is only necessary to apply voltage to the ion conductive polymer element 7 only when it is warped and deformed.

  In this implementation, the wind direction deflecting plate 5 is formed by arranging the polymer sheet 6 alone or in a predetermined number. Therefore, when the wind direction deflecting plate 5 is composed of a single polymer sheet 6, voltage is applied to the polymer sheet 6, so that the wind direction deflecting plate 5 as a whole is either front or back. The warp deformation occurs, and the warpage deformation state before the stop is maintained by stopping the voltage application.

  On the other hand, when the wind direction deflecting plate 5 is composed of a plurality of polymer sheet 6 materials, each of the plurality of polymer sheet 6 materials constituting the wind direction deflecting plate 5 is set to the same polarity. By applying a voltage, the wind direction deflecting plate 5 is warped and deformed on the front and back as a whole, and the warped deformation state before the stop is maintained by stopping the voltage application.

  With the above configuration, when blowing in a direction different from the blowing direction of the blowing port, without changing the setting angle of the wind direction deflecting plate, the radius of curvature is small, and only the downstream direction with respect to the air flow is blown out direction. In the negative pressure region located behind the wind direction deflecting plate with respect to the blown air flow, air turbulence and blowing noise do not increase, and the air flow blowing resistance of the wind direction deflecting plate increases. Nor.

  And the predetermined air volume originally planned can be obtained, and the blowing angle of the air blowing air flow can be varied without increasing the fan input.

(Embodiment 2)
FIG. 5 shows an indoor unit of an air conditioner according to Embodiment 2 of the present invention. As shown in the figure, the wind direction deflecting plate 5 is composed of a plurality of polymer sheets 6 at least in the major axis direction, and is configured so that a voltage can be individually applied to each polymer sheet.

  Thereby, a blowing angle can be arbitrarily set for every predetermined area in the blower outlet longitudinal direction, and a more comfortable thermal environment can be provided.

  In this case, the counter electrode and the changeover switch for switching the same are required for the predetermined number of divided areas.

  As described above, since the blower according to the present invention can reduce noise and improve the blowing efficiency, it can be applied not only to an air conditioner but also to any device that controls the wind direction such as a heater or an air purifier. it can.

Sectional drawing of the air conditioner of Embodiment 1 of this invention Sectional drawing of the air conditioner at the time of downward blowing of Embodiment 1 of this invention Structure and operation configuration diagram of ion-conductive polymer element according to Embodiment 1 of the present invention 1 is an overall perspective view of a wind direction deflector configured using a plurality of ion-conductive polymer elements according to Embodiment 1 of the present invention. Structure and operation configuration diagram of ion-conductive polymer element according to Embodiment 2 of the present invention Cross section of a conventional air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air blower 2 Heat exchanger 3 Intake port 4 Outlet 5 Wind direction deflecting plate 6 Polymer sheet 7 Ion conductive polymer element

Claims (5)

An air conditioner indoor unit having a blower, a heat exchanger, an air inlet and an air outlet, wherein a wind direction deflecting plate made of a polymer sheet that warps and deforms when a voltage is applied to the inside of the outlet. An indoor unit of an air conditioner characterized by being provided. The indoor unit of an air conditioner according to claim 1, wherein the polymer sheet is composed of an ion conductive polymer element having a property of being warped and deformed by applying a voltage. The indoor unit of an air conditioner according to any one of claims 1 to 2, wherein the polymer sheet is encapsulated with a thin plate-like elastic resin material. The indoor unit of an air conditioner according to claim 1, wherein the wind direction deflecting plate is configured such that a voltage is applied to the polymer sheet only when it is warped and deformed. The wind direction deflecting plate is configured by arranging a plurality of polymer sheets in a row in the surface direction, and the voltage application form for each of the polymer sheets can be individually set according to the part of the air outlet. The indoor unit of an air conditioner according to any one of claims 1 and 4, wherein

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