JP2010085070A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner improved in the performance of wind direction control by space saving and simple structure. <P>SOLUTION: The air conditioner includes a blower sending out air, and a wind direction plate horizontally controlling the direction of the sent out air. The wind direction plate includes at least a first wind direction plate unit and a second wind direction plate unit equipped with a plurality of blades with respect to one rotary shaft, and constituted so that adjacent blades of the first wind direction plate unit and the second wind direction plate unit aligned in one line toward the wind direction when horizontally controlling the direction of the sent out air. By this, the air conditioner improving performance of wind direction control by a space saving and simple structure can be provided. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an air conditioner including a wind direction plate that controls a wind direction in a left-right direction.

  In the wind direction control in the left-right direction, a plurality of wind direction plates are installed in the horizontal direction at the outlet of the indoor unit, and the wind is blown out in the target direction by controlling the angle of the wind direction plate in the horizontal direction. As a prior art, there is one that performs wind direction control by arranging wind direction plates in two rows on the upstream side and the downstream side (see, for example, Patent Document 1). By controlling the wind direction using the windward wind direction plate and leeward side wind direction plate and pedestal, the airflow discharged from the outlet can be smoothly deflected, and even if it is greatly deflected, there is little pressure loss and the air volume is reduced Can be suppressed.

JP 2007-120858 A

  In Patent Document 1, since an upwind side wind direction plate and a leeward side wind direction plate are arranged on the upstream side and the downstream side, respectively, securing a space in the indoor unit discharge port becomes a problem. In addition, since each of the blades of the windward side wind direction plate and the leeward side wind direction plate arranged in a staggered manner on the upstream side and the downstream side is provided with an axis, the ventilation resistance is increased by the axis that supports these blades. . In addition, since the direction of the wind in the left-right direction is controlled by controlling these blades and the pedestal that supports the blades, the mechanism and control become complicated.

  This invention solves the said subject, and makes it a subject to provide the air conditioner which improved the performance of the wind direction control by the space-saving and simple structure.

  In order to solve the above problems, an air conditioner according to the present invention is an air conditioner including a blower that sends out a wind and a wind direction plate that controls the direction of the wind that is sent out in the left-right direction. At least a first wind direction plate unit and a second wind direction plate unit having a plurality of blades with respect to one axis, and controlling the wind direction in the left-right direction, the first wind direction plate unit and the second wind direction plate unit The adjacent blades are arranged in a line in the direction of the wind.

  ADVANTAGE OF THE INVENTION According to this invention, the air conditioner which improved the performance of the wind direction control with a space-saving and simple structure can be provided.

  An air conditioner according to the present invention is an air conditioner including a blower that sends out wind and a wind direction plate that controls the direction of the blown wind in the left-right direction, and the wind direction plate is at least on one rotating shaft. On the other hand, when the first wind direction plate unit and the second wind direction plate unit including a plurality of blades are provided, and the wind direction being controlled is controlled in the left-right direction, the adjacent blades of the first wind direction plate unit and the second wind direction plate unit are It is configured to line up in a row in the wind direction. ADVANTAGE OF THE INVENTION According to this invention, the air conditioner which improved the performance of the wind direction control with a space-saving and simple structure can be provided. Hereinafter, the Example of the air conditioner which concerns on this invention is described using FIGS.

  A first embodiment of the present invention will be described with reference to FIGS. In this embodiment, as an example, a separate type air conditioner including an indoor unit that includes a heat exchanger that performs heat exchange, a cross-flow fan that sends out wind, and a wind direction plate that controls the wind direction in the left-right direction. It is the Example to which this invention is applied.

  First, the structure of the air conditioner will be described with reference to FIGS. 1 and 2. FIG. 1: has shown the whole indoor unit of the air conditioner, and represents the indoor unit from the front. FIG. 2 shows a side sectional view of the indoor unit.

  A front panel 1 is located on the front side of the indoor unit, and a top grill 2 is installed on the top side. The upper part of the front panel 1 is attached to the unit frame 3, and the front panel 1 can be opened and closed from the lower part with the upper part as a fulcrum. Separately from this, during operation of the room air conditioner, the opening / closing panel located at the forefront of the front panel 1 opens at the upper part with the lower part as a fulcrum. The front panel 1 can be detached by removing the upper part from the unit frame 3. The top grill 2 is also attached to the unit frame 3 and is detachable. An up / down wind direction plate 11 is installed on the lower surface side of the indoor unit, and the up / down wind direction plate 11 is attached to the casing 9. The wind outlet of the indoor unit is opened and closed as the up and down wind direction plate 11 rotates. The outer shape of the indoor unit is composed of the front panel 1, the top grill 2, the unit frame 3, the up / down wind direction plate 11, the casing 9, and the like.

  A pre-filter 4 is located immediately inside the front panel 1 and the top grill 2 of the indoor unit. The pre-filter 4 is attached to the unit frame 3 and can be detached from the unit frame 3 by sliding. An air purification filter 5 is installed inside the pre-filter 4 and on the front side of the indoor unit. The air purification filter 5 is also attached to the unit frame 3 and is detachable. The indoor unit includes an indoor heat exchanger 7 composed of pipes and fins. The heat exchanger 7 is arranged so as to surround the cross-flow fan 8 and is divided into three places, one place on the upper side of the indoor unit and two places on the front side. The end of the rotating shaft of the once-through fan 8 is connected to a motor. The casing 9 is disposed so as to sandwich the cross-flow fan 8. A left and right wind direction plate 10 is attached to the casing 9 by a left and right wind direction plate rotating shaft 13. A copper pipe for refrigerant 14 covered with a heat insulating material is piped on the back side of the indoor unit near the casing 9.

  Next, the structure of the left and right wind direction plates of the air conditioner according to the present embodiment will be described with reference to FIGS. 3 and 4. FIG. 3 is a schematic view of the left and right wind direction plates. FIG. 3 mainly shows the casing 9 and the left and right wind direction plates 10 when the indoor unit of the air conditioner is viewed from the front side in a direction perpendicular to the left and right wind direction plate rotation shaft 13 shown in FIG. The structure of the right-and-left wind direction board 10 at the time of blowing the wind sent out from the once-through fan 8) toward the front is shown. In FIG. 3, the wind flows from the top to the bottom of the page.

  The left and right wind direction plate 10 is composed of two blades, a left wind direction blade 10l and a right wind direction blade 10r, with a left and right wind direction plate base 13a supported by a left and right wind direction plate rotating shaft 13 as a base. The left / right wind direction plate 10 has a right / left target shape with the left / right wind direction plate rotation axis 13 as a boundary. Each of the left and right wind direction plates 10 is connected to the left and right wind direction plate connecting member 6 on the lower surface side of the left and right wind direction plate base 13a, and the plurality of left and right wind direction plates 10 are configured to move in conjunction with each other. In addition, the left and right wind direction plates 10 that are linked to each other are arranged in a line in the left-right direction (the indoor unit longitudinal direction).

  FIG. 4 is a schematic view of the left and right wind direction plates. 4 mainly shows the casing 9 and the left and right wind direction plates 10 when the indoor unit of the air conditioner is viewed from the front side in a direction perpendicular to the left and right wind direction plate rotation shaft 13 shown in FIG. The structure of the right-and-left wind direction board 10 at the time of blowing the wind sent out from the once-through fan 8) toward the right direction is shown. The left and right wind direction plates 10 rotate about the left and right wind direction plate rotation shaft 13, and the left side wind direction blades 10 l move downstream and the right side wind direction blades 10 r move upstream, so that the left and right wind direction blades 10 l of the adjacent left and right wind direction plates 10. And the right wind direction vane 10r are aligned in the wind direction (wind direction).

  Here, when the left wind direction blade 10l and the right wind direction blade 10r are in a line, the rotation angle of the left and right wind direction plate rotation shaft 13 is α, the interval between the left and right wind direction plate rotation shafts 13 is P, and the left and right wind direction plates shown in FIG. When the blade lengths of the left wind direction blade 10l and the right wind direction blade 10r in an arbitrary cross section perpendicular to the rotating shaft 13 (for example, the cross section A or the cross section B) are L, L <sin α × P / 2. By limiting the blade length L as described above, the left and right wind direction plates 10 can be configured with the same type of components without interference between adjacent blades of the left and right wind direction plates 10. Therefore, the structure becomes simpler and the cost for mass production can be suppressed.

  FIG. 5 is a side sectional view of the indoor unit of the air conditioner, and shows a state in which the left and right wind direction plates 10 are rotated with the left and right wind direction plate rotation shaft 13 as a base point when performing the wind direction control. Here, even when the blades of the left and right wind direction plates 10 are closest to the cross-flow fan 8 due to the rotation of the left and right wind direction plate rotation shaft 13, D ≦ 1.05d (d: The left and right wind direction plates 10 are arranged so that the upstream ends of the blades of the left and right wind direction plates 10 do not enter the region of the cross-flow fan 8. Since the left wind direction blade 10l and the right wind direction blade 10r rotate at a position off the axis of the left and right wind direction plate rotation shaft 13, the blades move to the upstream side close to the cross-flow fan 8 by rotation, and the blades and the cross-flow fan come close to each other. . If the blades and the cross-flow fan 8 are too close, noise increases due to interference between the blades and the cross-flow fan 8. Further, there is a possibility that the blades and the cross-flow fan 8 come into contact with each other. As described above, by maintaining the positional relationship between the blades and the cross-flow fan 8, an increase in noise can be suppressed, and contact can be prevented to improve reliability.

  In the indoor unit of the air conditioner having the above configuration, the air direction control in the left-right direction mainly in each operation mode such as cooling and heating will be described. When the electrical component unit of the electrical component unit located in the back of the display unit of the front panel 1 receives the operation signal from the remote controller, the operation of the air conditioner is started. The lightning color of the electrical equipment changes according to the operation mode. Therefore, the operation mode can be determined by confirming the color from the display unit of the front panel 1. When the operation is started, the opening / closing panel of the front panel 1 tilts forward with the lower part as a fulcrum, and the upper part of the indoor unit opens. The up-and-down wind direction plate 11 is rotated by the control from the electric component unit, and opens the outlet of the indoor unit that has been covered. When the indoor unit receives the operation signal, the outdoor unit also operates. The refrigerant sent from the outdoor unit circulates through the heat exchanger 7 via the refrigerant copper pipe 14. The motor to which the cross-flow fan 8 is connected rotates in accordance with the operating state under the control of the electric component unit. Cross-flow fan 8 rotates clockwise in FIG. When the once-through fan 8 starts to rotate, air is mainly sucked from the opening of the front panel 1 and the top grill 2 and passes through the prefilter 4 and flows into the indoor unit. When passing through the prefilter 4, dust contained in the air is removed. Furthermore, air is cleaned by the air purification filter 5 located inside the pre-filter 4. The air that has flowed into the heat exchanger 7 through the above process and exchanged heat flows to the cross-flow fan 8 side. The air that has flowed to the cross-flow fan 8 passes between the blades of the cross-flow fan 8 and travels from the outer diameter side to the inner diameter side of the cross-flow fan 8. The air flowing into the cross-flow fan 8 passes between the blades of the cross-flow fan 8, flows from the inner diameter side to the outer diameter side of the cross-flow fan 8, and flows out to the casing 9 side.

  The air flowing out of the once-through fan 8 passes through the left and right wind direction plates 10 and the upper and lower wind direction plates 11 provided on the downstream side of the casing 9, and the wind direction is controlled at that time. When the wind direction is controlled in the left / right direction, any one of the plurality of left / right wind direction plate rotation shafts 13 is rotated by the small motor 12 and the left / right wind direction plate 10 is also rotated. Since the left and right wind direction plates 10 are connected by the left and right wind direction plate connecting members 6, the plurality of left and right wind direction plates 10 are also linked to the rotation of one left and right wind direction plate 10 rotated by a small motor 12. The left and right wind direction plate rotation shaft 13 is rotated as a base point. In the left and right wind direction plates 10, the left and right wind direction blades 10l and 10r of the left and right wind direction plates 10 adjacent to each other at an arbitrary rotation angle α are arranged in a line in the wind direction (wind direction). When the wind direction is controlled in the vertical direction, the vertical wind direction plate 11 rotates up and down. The wind that flows out from the air outlet of the indoor unit is blown out in a target direction with the wind direction controlled by the left and right wind direction plates 10 and the up and down wind direction plate 11.

  The features and effects of the first embodiment according to the present invention will be described below. The left and right wind direction plate 10 installed in the indoor unit of the air conditioner includes two blades, a left wind direction blade 10l and a right wind direction blade 10r, and has a right and left shape with the left and right wind direction plate rotating shaft 13 as a boundary. The left and right wind direction plates 10 are connected to the left and right wind direction plate connecting members 6 and interlock with each other. Further, the left and right wind direction plates 10 are arranged in a line on the left and right. The left and right wind direction plates 10 rotate about the left and right wind direction plate rotation shaft 13, and the left side wind direction blades 10 l move downstream and the right side wind direction blades 10 r move upstream, so that the left and right wind direction blades 10 l of the adjacent left and right wind direction plates 10. And the right wind direction blade 10r are arranged in a row in the direction of the wind direction. When performing wind direction control in the left-right direction, two adjacent blades are arranged in a row in the wind direction, which doubles the blade length and reduces the number of blades, improving wind direction control performance. Loss can be reduced while increasing the wind turning angle.

  Further, the left and right wind direction plates 10 provided in the indoor unit of the air conditioner have a rotation angle α when the left wind direction blade 10l and the right wind direction blade 10r are in a row, and an interval between the left and right wind direction plate rotation shafts P, When the blade lengths of the left wind direction blade 10l and the right wind direction blade 10r in an arbitrary cross section (for example, the cross section A or the cross section B in FIG. 2) perpendicular to the left and right wind direction plate rotating shaft 13 are L, L <sin α × P / 2 And By limiting the blade length L as described above, the left and right wind direction plates 10 can be configured with the same type of components without interference between adjacent blades of the left and right wind direction plates 10. Therefore, the structure becomes simpler and the cost for mass production can be suppressed.

  Even when the blades of the left and right wind direction plates 10 are closest to the cross-flow fan 8 due to the rotation of the left and right wind direction plate rotation shafts 13, D ≦ 1.05d (d: The left and right wind direction plates 10 are arranged so that the upstream ends of the blades of the left and right wind direction plates 10 do not enter the area of the fan 8 diameter). Since the left wind direction blade 10l and the right wind direction blade 10r rotate at a position off the axis of the left and right wind direction plate rotation shaft 13, the blades move to the upstream side close to the cross-flow fan 8 by rotation, and the blades and the cross-flow fan come close to each other. . If the blades and the cross-flow fan 8 are too close, noise increases due to interference between the blades and the cross-flow fan 8. Further, there is a possibility that the blade and the cross-flow fan 8 come into contact with each other. As described above, by maintaining the positional relationship between the blades and the cross-flow fan 8, an increase in noise can be suppressed, and contact can be prevented to improve reliability.

  In addition, in the present Example, although demonstrated to the example provided with two or more wind direction board units provided with two blade | wings with respect to one rotating shaft, it is not restricted to two blade | wings with respect to one rotating shaft, Three or more A plurality of wind direction plate units having blades may be provided.

  According to the present embodiment, since the blades can be arranged in a row in the direction of the wind with a row of wind direction plates in the left-right direction, space saving in the indoor unit discharge port can be achieved. In addition, since it is not necessary to arrange the windward wind direction plate and the leeward wind direction plate in a zigzag pattern on the upstream side and the downstream side, it is possible to suppress an increase in ventilation resistance due to the axis that supports these blades. Furthermore, since the wind direction is controlled only by the rotation of the left and right wind direction plate rotating shaft 13, the mechanism and control are simple. That is, according to the present embodiment, it is possible to provide an air conditioner that improves the performance of wind direction control with a space-saving and simple structure.

  A second embodiment according to the present invention will be described with reference to FIGS. The basic structure of the air conditioner in the second embodiment is the same as that of the first embodiment. In the present embodiment, differences from the first embodiment will be mainly described.

  The structure of the left and right wind direction plates of the air conditioner according to the present embodiment will be described with reference to FIGS. 6 and 7. FIG. 6 is a schematic view of the left and right wind direction plates. 6 mainly shows the casing 9 and the left and right wind direction plates 10 when the indoor unit of the air conditioner is viewed from the front side in a direction perpendicular to the left and right wind direction plate rotation shaft 13 shown in FIG. The structure of the right-and-left wind direction board 10 at the time of blowing the wind sent out from the once-through fan 8) toward the front is shown. In FIG. 6, the wind flows from the top to the bottom of the page.

  The left and right wind direction plates 10 provided in the indoor unit of the air conditioner are connected to the left and right wind direction plate connecting members 6 on the lower surface side of the left and right wind direction plate base 13a, and the plurality of left and right wind direction plates 10 are configured to move in conjunction with each other. Is done. Further, the left and right wind direction plates 10 interlocking with each other are arranged in a line in the left-right direction (horizontal direction / indoor unit longitudinal direction).

  Here, the left and right wind direction plates 10 positioned at the left and right end portions of the outlet of the casing 9 have the blade length of the wall side wind direction blade 10s installed on the wall surface side of other wind direction blades not installed on the wall surface side. It is configured to be shorter than the blade length.

  FIG. 7 is a schematic view of the left and right wind direction plates. FIG. 7 mainly shows the casing 9 and the left and right wind direction plates 10 when the indoor unit of the air conditioner is viewed from the front side in a direction perpendicular to the left and right wind direction plate rotation shaft 13 shown in FIG. The structure of the right-and-left wind direction board 10 at the time of blowing the wind sent out from the once-through fan 8) toward the right direction is shown. The left and right wind direction plates 10 rotate with the left and right wind direction plate rotation shaft 13 as a base point, and the left wind direction blades 10l move to the downstream side and the right side wind direction blades 10r move to the upstream side. And the right wind direction blades 10r are aligned in the direction of the wind direction. Since the blade length of the wall-side wind direction blade 10s installed on the wall surface side is shorter than the other wind direction blades, even if it rotates, it does not collide with the wall surface.

  When the blade length in the downstream or upstream direction is long, the left wind direction blade 10l and the right wind direction blade 10r of the left and right wind direction plate 10 have a large moving amount of the blade tip from the structure, so that they do not collide with the wall surface. It is necessary to increase the distance from the wall. However, when the distance between the left and right wind direction plates 10 and the wall surface is increased, a wide space is generated between the blade and the wall surface when the wind direction control is performed in the direction opposite to the direction in which the blade and the wall surface collide. In this space, a flow that blows out to the front is generated without controlling the wind direction. Here, the wind direction near the wall surface is controlled by adjusting the blade length by shortening the wall-side wind direction blade 10s close to the wall surface and keeping the distance between the right and left ends of the outlet of the casing 9 moderate. Can do. Thereby, the performance of wind direction control can be improved (wind control range can be expanded).

  8 and 9 are diagrams showing the left and right wind direction plates, which are different from those in FIGS. 6 and 7. That is, in the left and right wind direction plates shown in FIGS. 8 and 9, the left and right wind direction plates 10 positioned at the left and right ends of the air outlet of the casing 9 are each provided with one blade for one rotation axis. Consists of. Thereby, the space of the left-right wind direction board 10 and a wall surface can be supplemented, and there can exist an effect similar to FIG.6 and FIG.7.

  FIG. 10 shows the structure of the left and right wind direction plates, and specifically shows the left and right blowing structure in the indoor unit of the air conditioner. The left and right wind direction plates 10 are connected to the left and right sides of the indoor unit by separate left and right wind direction plate connecting members 6. The arrows in the figure indicate the flow of the wind, and it is possible to perform separate wind direction control on the left and right sides of the indoor unit, such as left and right blowing, right blowing, left blowing, etc. depending on the situation . That is, the left and right wind direction plates 10 are divided into a plurality of groups (two groups in this embodiment), and can be blown separately in the left and right directions for each group.

  As described above, according to this embodiment, the same effects as those of the first embodiment can be obtained. Furthermore, the blade length of the wall-side wind direction blade 10s installed on the wall surface side of the left and right wind direction plates 10 located at the left and right ends of the outlet of the casing 9 is longer than the blade lengths of other wind direction blades not installed on the wall surface side. By shortening or by configuring the right and left wind direction plates 10 located at the left and right end portions of the outlet of the casing 9 with one blade wind direction blades 10b having one blade with respect to one rotating shaft, Since the wind direction can be controlled, the performance of wind direction control can be further improved (wind control range can be expanded). In addition, by connecting the left and right wind direction plates 10 on the left and right sides of the indoor unit with separate left and right wind direction plate connecting members 6, the left and right air blowing, right blowing, left blowing, etc. Separate wind direction control can be performed on the left and right sides of the unit.

  A third embodiment according to the present invention will be described with reference to FIGS. The basic structure of the air conditioner in the third embodiment is the same as that in the first embodiment. In this embodiment, differences from the first embodiment will be described.

  FIG. 11 is a side sectional view of the indoor unit of the air conditioner. A concavo-convex one-wing left and right wind direction plate 10 c is attached to the casing 9 by a left and right wind direction plate rotating shaft 13. In the concavo-convex shape one wing left and right wind direction plate 10c, one blade is installed on the left and right wind direction plate rotating shaft 13, and the upstream side of the blade has a concavo-convex shape formed only by a curve. Here, even if the concavo-convex shaped one wing left and right wind direction plate 10c is rotated in order to perform the wind direction control, 1.05d ≦ D ≦ 1.30d (d: diameter of the once-through fan 8) centered on the rotation axis of the once-through fan 8 The upstream end portion of the concavo-convex shape one wing left and right wind direction plate 10c is located in the region.

  The concavo-convex shape on the upstream side of the one-wing left and right wind direction plate 10c is intended to reduce the loss while improving the wind direction performance even if the blades are expanded to the upstream side. It is necessary to maintain an appropriate positional relationship. If the concavo-convex shape includes an acute angle, there is a possibility that a wind noise may be generated starting from the acute angle portion due to the flow of a fast wind blown from the cross-flow fan 8. By forming the concavo-convex shape with only a curve, the generation of wind noise can be suppressed. Further, if the concavo-convex shaped one-blade left and right wind direction plate 10c is too close to the cross-flow fan 8, the interference between the fast wind flow blown from the cross-flow fan 8 and the blades is too strong, and there is a possibility that loss and noise increase. Conversely, if the blades are too far from the cross-flow fan 8, the wind flow blown out of the cross-flow fan 8 becomes gentle, so that the wind direction performance and loss do not change regardless of the presence or absence of the uneven shape. By arranging the uneven shape at an appropriate position (1.05d ≦ D ≦ 1.30d (d: diameter of the once-through fan 8) around the rotation axis of the once-through fan 8) As a result, it is possible to improve the wind direction performance by expanding the blades (enlarge the wind turning angle) and reduce the loss.

  In addition, the structure of the concavo-convex shape one wing left and right wind direction plate 10c in the present embodiment is not limited to the wind direction plate in which one blade is installed on the left and right wind direction plate rotation shaft 13, but the right and left wind direction plate as in the first and second embodiments. It can also be applied to a wind direction plate in which a plurality of blades are installed on the rotary shaft 13. FIG. 12 shows a side cross-sectional view of the indoor unit of the air conditioner. As in the first and second embodiments, a pair of concave and convex left and right wind direction plates 10d are formed by two blades, and the upstream side is used when performing the wind direction control. The blades adjacent to each other on the downstream side are arranged in a line. According to this, while exhibiting the same effect as Example 1 and 2, the effect of the above-mentioned concavo-convex shape one wing right and left wind direction board 10c can also be produced.

The whole indoor unit unit of an air conditioner. Side surface sectional drawing of the indoor unit of an air conditioner. Schematic of a left-right wind direction board. Schematic of a left-right wind direction board. Side surface sectional drawing of the indoor unit of an air conditioner. Schematic of a left-right wind direction board. Schematic of a left-right wind direction board. Schematic of a left-right wind direction board. Schematic of a left-right wind direction board. Schematic of a left-right wind direction board. Side surface sectional drawing of the indoor unit of an air conditioner. Side surface sectional drawing of the indoor unit of an air conditioner.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front panel 2 Upper surface grill 3 Unit frame 4 Pre-filter 5 Emptying filter 6 Left and right wind direction plate connection member 7 Heat exchanger 8 Cross-flow fan 9 Casing 10 Left and right wind direction plate 10b One blade wind direction blade 10c Uneven shape One blade left and right wind direction plate 10d Uneven shape left and right Wind direction plate 10l Left side wind direction blade 10r Right side wind direction blade 10s Wall side wind direction blade 11 Vertical wind direction plate 12 Motor 13 Left and right wind direction plate rotating shaft 13a Left and right wind direction plate base 14 Copper pipe for refrigerant

Claims (10)

In an air conditioner provided with a blower that sends out wind and a wind direction plate that controls the direction of the blown wind in the left-right direction,
The wind direction plate includes at least a first wind direction plate unit and a second wind direction plate unit including a plurality of blades with respect to one rotation axis,
The air is configured so that adjacent blades of the first wind direction plate unit and the second wind direction plate unit are arranged in a line in the wind direction when the direction of the wind to be sent is controlled in the left-right direction. Harmony machine.   The blades of the first wind direction plate unit and the second wind direction plate unit according to claim 1, wherein the rotation shafts of the first wind direction plate unit and the second wind direction plate unit rotate. An air conditioner characterized by being directed to.   3. The air conditioner according to claim 1, wherein the first wind direction plate unit and the second wind direction plate unit are arranged adjacent to each other in a longitudinal direction of the indoor unit of the air conditioner. 4. The rotation angle of the rotary shaft when the adjacent blades of the first wind direction plate unit and the second wind direction plate unit are aligned in a row in the wind direction direction is defined as (rotation angle). The distance between the rotation axes of the first wind direction plate unit and the second wind direction plate unit is defined as (distance between the rotation axes), and the first wind direction plate unit and the second in a cross section perpendicular to the rotation axis. When the blade length of the wind direction plate unit is (blade length),
(Blade length) <sin (rotation angle) × (distance between rotation axes) / 2
An air conditioner characterized by being   In any one of Claims 1 thru | or 4, the upstream edge part of the blade | wing of the said 1st wind direction board unit and the said 2nd wind direction board unit exists in the range more than 1.05 times the diameter of the said fan from the center of the said fan. The air conditioner, wherein the first wind direction plate unit and the second wind direction plate unit are arranged so as to be positioned. In any one of Claim 1 thru | or 4, It is the uneven | corrugated shape in which the upstream of the blade | wing of the said 1st wind direction board unit and the said 2nd wind direction board unit was formed only with the curve,
The upstream end of the blades of the first wind direction plate unit and the second wind direction plate unit is located within a range of 1.05 to 1.30 times the diameter of the blower from the center of the blower. An air conditioner in which a first wind direction plate unit and the second wind direction plate unit are arranged.   The air conditioner according to any one of claims 1 to 6, wherein a length of a blade that is an end portion of the wind direction plate is shorter than a length of a blade that is not an end portion of the wind direction plate.   The air conditioner according to any one of claims 1 to 6, wherein an end portion of the wind direction plate is constituted by a wind direction plate unit including one blade with respect to one rotation shaft.   9. The air conditioner according to claim 1, wherein the wind direction plate is divided into a plurality of groups and can be blown in the left and right directions independently for each group.   The air conditioner according to any one of claims 1 to 9, wherein the first wind direction plate unit and the second wind direction plate unit include two blades with respect to one rotation axis.

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