JP2013019624A - Indoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the following problem: an air flow direction is changed as desired by deforming a wind direction deflector formed of shape-memory alloy, thereby requiring continuous voltage application.SOLUTION: An indoor unit of an air conditioner is configured to constitute a windward arbitrary length of wind direction deflector with a polymer sheet which performs curvature deformation by applying a voltage, to change a curvature radius by applying a voltage only when wind direction therefor is changed, to close an air trunk by the wind direction deflector, and to prevent the increase in ventilation resistance, without requiring continuous voltage application.

Description

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

  In an indoor unit of an air conditioner, indoor air is sucked from an air suction port by being attracted by a blower, and after adjusting the temperature by heat exchange in a heat exchanger, the air is blown out from the air outlet to the room It has become. Conventionally, an indoor unit of this type of air conditioner changes the direction of the wind in the direction of the wind direction by largely rotating a wind direction deflecting plate arranged at the outlet of the indoor unit when the direction of the wind is deflected (for example, Patent Documents). 1).

  FIG. 7 is a schematic sectional view of an indoor unit of a conventional air conditioner described in Patent Document 1. As shown in FIG. 7, the heat exchanger 2 is installed in the indoor unit 1, and the air sucked by the blower 4 from the suction port 3 is heat-exchanged through the heat exchanger 2 and blown out from the blowout port 7. By deforming the wind direction deflecting plate 8 formed of a shape memory alloy, the blown airflow is directed in a desired direction. For this reason, since it becomes an appropriate bending shape that bends the wind only when the wind direction deflecting plate is necessary, it is possible to deflect the wind direction without causing a significant decrease in the air flow due to the ventilation resistance.

Japanese Patent Publication No. 6-72719

  However, the conventional configuration has a problem that a voltage must be constantly applied to the shape memory alloy.

  The present invention solves the above-mentioned conventional problems. In an indoor unit of an air conditioner, a polymer sheet that warps and deforms by applying a voltage constitutes an arbitrary length on the windward side of a wind direction deflector. By applying a voltage only when the wind direction is deflected, the radius of curvature can be changed to prevent the wind direction deflecting plate itself from blocking the wind path and causing an increase in ventilation resistance, and an indoor unit of an air conditioner that does not require voltage application at all times is provided. For the purpose.

  In order to solve the above-mentioned conventional problems, the indoor unit of the air conditioner of the present invention comprises a polymer sheet that is warped and deformed by applying a voltage, and has an arbitrary length on the windward side of the wind direction deflecting plate. By changing the radius of curvature of the plate, only the windward side of the wind direction deflecting plate is directed to the wind side, so that it is possible to prevent the wind direction deflecting plate itself from blocking the wind path and increasing the draft resistance.

  The indoor unit of the air conditioner of the present invention can prevent the wind direction deflecting plate itself from blocking the air path and causing an increase in ventilation resistance. The possible locations can be expanded.

Schematic cross-sectional view of an indoor unit according to Embodiment 1 of the present invention Cross-sectional view of the configuration of the polymer sheet movable airflow direction deflector in Embodiment 1 of the present invention The top view of the polymer sheet movable wind direction deflection | deviation plate in Embodiment 1 of this invention Operation explanatory diagram of the polymer sheet movable wind direction deflector of the same embodiment Sectional drawing of the polymer sheet material comprised using the ion conductive polymer element of the embodiment Operation explanatory diagram of a polymer sheet material formed using the ion conductive polymer element of the same embodiment Conventional indoor unit diagram

  An indoor unit of an air conditioner according to a first aspect of the present invention comprises a polymer sheet that warps and deforms when a voltage is applied, and constitutes an arbitrary windward length of a wind direction deflecting plate, applies a voltage to the polymer sheet, By changing the radius of curvature of the deflection plate, only the windward side of the wind direction deflection plate is directed to the windward side, so that it is possible to prevent the wind direction deflection plate itself from blocking the wind path and causing an increase in ventilation resistance.

  The second invention is characterized in that the polymer sheet is composed of an ion conductive polymer element having a property of warping and deforming when a voltage is applied. Can be woken up and easy to control.

  The third invention is characterized in that the polymer sheet is encapsulated with a thin elastic resin material, and the polymer sheet and its electrode are not exposed to the outside by the elastic resin material, Durability can be improved by preventing damage to the molecular sheet and electrode.

  The fourth invention is characterized in that a voltage is applied to the polymer sheet only when the movable sheet is warped and deformed, and it is not necessary to apply a voltage during the holding period after deformation, and the voltage is always applied. Compared to the case where application is required, power consumption is reduced, and operation with excellent energy saving performance is possible.

  The fifth invention is characterized by comprising control means for instructing the timing of applying a voltage to the polymer sheet according to the operating state of the device and the temperature and humidity conditions around the device, so that the wind direction does not deviate. Control the polymer sheet to suppress unnecessary movement.

  According to a sixth aspect of the present invention, the wind direction deflecting plate has a hollow shaft, and a power supply wiring to the movable sheet is arranged in the hollow shaft, so that the voltage to the movable sheet is set regardless of the state of the wind direction deflecting plate. Supply is possible.

  Hereinafter, each embodiment of the present invention will be described with reference to FIGS. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a schematic cross-sectional view of an indoor unit of an air conditioner according to a first embodiment of the present invention. In FIG. 1, the energy of the refrigerant is supplied into the room by a heat exchanger 2 and a blower 4 arranged in the indoor unit 1. A polymer sheet movable wind direction deflecting plate 8 ′ in which only an arbitrary length on the windward side is deformed downward by applying a voltage in the outlet 7 is arranged.

Here, the polymer sheet movable wind direction deflecting plate 8 ′ will be described in detail. FIG. 2 is a structural sectional view of the polymer sheet movable wind direction deflecting plate 8 ′, FIG. 3 is a plan view of the polymer sheet movable wind direction deflecting plate 8 ′, and FIG. FIG. 5 is a schematic sectional view of the movable sheet, and FIG. 6 is a sectional view for explaining the operation of the polymer sheet by the ion conductive polymer element. In FIG. 5, the polymer sheet movable wind direction deflecting plate 8 ′ is formed by laminating a plurality of polymer sheets 11 that generate warp deformation when a voltage is applied, and encapsulating them with an elastic resin material 18. The As shown in FIG. 6B, the polymer sheet 11 is a plate-like member configured by disposing electrodes 13 (a) and (b) on both surfaces of an ion conductive polymer element 12 containing moisture. The electrodes 13 (a) and 13 (b) are connected to the DC power supply 15 via the polarity changeover switch 14, and the polarity changeover switch 14 is operated to switch the electrodes 13 (a) and (b). By appropriately changing the polarity, warping deformation occurs in the opposite direction as shown in FIGS.

  Specifically, as shown in FIG. 6A, when the electrode 13 (a) is set to “anode” and the electrode 13 (b) is set to “cathode”, the “positive” in the ion conductive polymer element 12 is set. The ions 16 move to the “cathode” side with water, the water content is unevenly distributed to the “cathode” side, and a swelling difference occurs between the “cathode” side and the “anode” side, so that the polymer sheet 11 is formed. It is warped and deformed in a convex shape toward the “cathode” side, that is, the electrode 13 (b) side. Conversely, as shown in FIG. 6 (c), when the electrode 13 (a) is set to “cathode” and the electrode 13 (b) is set to “anode”, it protrudes toward the electrode 13 (a) which is the “cathode”. It warps and deforms. In this way, the polymer sheet 11 can be warped and deformed by changing the polarity of voltage application.

  It should be noted that the ion conductive polymer element 12 has a property that, after being warped and deformed by voltage application, the warped deformation state before stopping the voltage application is maintained as it is even if the voltage application is not performed. Therefore, it is only necessary to apply a voltage to the ion conductive polymer element 12 only when it is warped and deformed. To return to the original state, both electrodes 13 (a) and (b) may be short-circuited.

  By adopting the above-described configuration, a voltage is applied to the polymer sheet 11 of the polymer sheet movable wind direction deflecting plate 8 ′ in accordance with the operation state of the device and the air condition in the room, thereby generating warp deformation. Since only the windward side of the molecular sheet movable wind direction deflecting plate 8 'is directed toward the wind side, the wind direction deflecting plate itself can be prevented from blocking the wind path and causing an increase in draft resistance, so that high performance can be realized by increasing the air volume. Can do. In addition, downsizing of the product can be realized by downsizing, and the number of places where the product can be installed can be increased. Moreover, it is possible to contribute to energy saving because it is not necessary to always apply voltage.

  As described above, the indoor unit of the air conditioner according to the present invention can realize a large air volume by making only the windward side of the wind direction deflector plate face the windward, so that the wind direction deflector plate does not become a draft resistance and can achieve high performance. It can be done.

DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Heat exchanger 4 Blower 5 Drain pan 7 Outlet 8 Wind direction deflector 8 'Polymer sheet movable wind direction deflector 10 Control means 11 Polymer sheet 13a, b Electrode 18 Elastic resin material

Claims (6)

In an air conditioner comprising an indoor unit main body of an air conditioner, a heat exchanger and a blower fan accommodated in the unit main body, and a drain pan for storing condensed water generated in the heat exchanger, Consists of a polymer sheet that is placed in the blowout and rotates by the shafts at both ends and warps and deforms by applying a voltage to the part of the windward length. The other part is a straight line from the windward to the leeward. An air conditioner indoor unit comprising: a wind direction deflecting plate that is configured to reduce the curvature radius of the windward portion of the wind direction deflecting plate when the wind direction is deflected. 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 any one of claims 1 to 3, wherein a voltage is applied to the polymer sheet only when the movable sheet is warped and deformed. 5. The control unit according to claim 1, further comprising a control unit that commands a timing for applying a voltage to the polymer sheet according to an operation state of the device and a temperature and humidity condition around the device. Indoor unit of air conditioner. 5. The air conditioner according to claim 1, wherein the wind direction deflecting plate has a hollow shaft, and power supply wiring to the movable sheet is disposed in the hollow shaft. Indoor unit of the machine.