JP5063498B2 - Air conditioner indoor unit - Google Patents

Description

  The present invention relates to an indoor unit (load side device) of an air conditioner, for example. In particular, the present invention relates to a wind direction control mechanism provided at a blowout port in order to control the blowout direction of air (gas) delivered to a target space such as a room.

Usually, an indoor unit of an air conditioner mainly has a suction port, a heat exchanger, a blower fan, and a blowout port provided with an up / down air direction control mechanism and a left / right air direction control mechanism. An air passage (ventilation passage) for air passing through the element (hereinafter referred to as air) is formed. During the operation of the air conditioner, in the indoor unit, the blower fan is driven to take in air from the suction port, and is passed through the heat exchanger to be cooled (during cooling) or heated (during heating). Then, the cooled or heated low-temperature air or high-temperature air is sent out from the outlet into the room. At this time, depending on circumstances, the right and left wind direction control mechanism deflects the wind direction in the outlet width direction, and further, the up and down wind direction control mechanism deflects the wind direction in the vertical direction and then sends the air into the room (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2001-263787 (FIG. 2)

  In general, at the air outlet of an indoor unit, it is a quality problem that dew condensation occurs when the indoor hot and humid air is in contact with the left and right blades or the vertical wind direction blades cooled by the low-temperature air required for heat exchange during the cooling operation. It has become.

  In particular, since the right and left wind direction control mechanism has an angle with respect to the direction in which air flows when the wind direction is deflected, the left and right blades can have a surface that directly contacts air and a surface that does not contact (negative pressure surface). And dew condensation may generate | occur | produce when a room | chamber hot and humid air touches the negative pressure surface where the air of a right-and-left blade | wing does not hit directly. Therefore, at the time of wind direction deflection, air flows between the left and right blades located at the extreme end (hereinafter referred to as the extreme end portion) on the side opposite to the wind direction deflection direction (hereinafter referred to as the anti-wind direction deflection direction) and the outlet side wall. In order to prevent the air flow around the negative pressure surface from becoming stagnant and entraining hot and humid air, the left and right wind direction control mechanism is installed so that the distance between the left and right blades at the end and the side wall of the blowout port is equal to or greater than the predetermined distance. is doing.

  On the other hand, the air flowing through the gap between the outlet side wall and the left and right blades at the extreme end does not change the direction of air. Therefore, in the heating operation in which condensation does not occur, the amount of air that is deflected is reduced by this amount.

  Further, in the conventional left and right wind direction control mechanism, at the time of wind direction deflection, air is sent toward the side wall of the blowout outlet on the wind direction deflection direction side as compared with the anti-wind direction deflection direction side, so that the current is contracted, Pressure loss due to air blowing increases. For this reason, the amount of work that the blower fan sends out air increases, and the amount of air that is sent out decreases due to the characteristics of the blower fan.

  As described above, the conventional left and right airflow direction control mechanism has a problem that sufficient hot air cannot be supplied to people in the room other than the front of the indoor unit when the airflow is deflected in the heating operation.

  The present invention has been made to solve the above-described problem, and provides an indoor unit of an air conditioner that can prevent condensation during cooling operation and a decrease in the amount of air that is deflected in the air direction during heating operation. For the purpose.

The indoor unit of the air conditioner according to the present invention includes a heat exchange unit that cools or heats air between a suction port for sucking air in an air-conditioning target space and a blowout port, and air that is cooled or heated by the heat exchange unit. Are provided along the longitudinal direction of the blowout port, a plurality of blades for deflecting the direction of the gas sent from the blowout port, and a drive for changing the direction of the blades. Wind direction deflection driving means to be performed, and wind direction control means having blade movement driving means for driving to move a plurality of blades along the longitudinal direction, and a plurality of blades are rotatably installed, A pedestal that enables movement of the blades of the blades, and the driving means includes a plurality of blades, when the airflow is deflected during heating operation, of the blades on the opposite side to the direction of the blades and the outlets The pedestal is moved to a position that reduces the gap with the surface, and when the airflow direction is deflected during cooling operation, the gap between the blades on the opposite side of the blade direction and the wall surface of the outlet is predetermined. The pedestal is moved to a position that is greater than or equal to.

  According to the present invention, by providing the blade moving drive means for driving the blade for deflecting the wind direction along the longitudinal direction of the outlet, in the longitudinal direction of the outlet with respect to the direction of air flow. The position of a blade | wing can be changed and a blade | wing can be moved to the optimal position according to a driving | operation form etc. For this reason, when airflow is deflected during cooling operation, condensation is prevented by keeping a predetermined interval so that air does not stagnate in the gap between the left and right blades at the end and the wall surface of the outlet. can do. Further, at the time of wind direction deflection in the heating operation, the amount of air that can be deflected in the wind direction can be increased by narrowing the gap between the blade at the extreme end on the side opposite to the wind direction and the outlet side wall. Furthermore, by expanding the gap between the left and right blades at the extreme end on the wind direction deflection direction side and the outlet side wall, the amount of air that can be further deflected in the wind direction can be increased by suppressing the contraction and reducing the pressure loss.

  FIG. 1 is a side sectional view showing an indoor unit of an air conditioner according to the present invention. As shown in FIG. 1, the indoor unit of an air conditioner according to the present invention mainly includes a suction port 1, a heat exchanger 2 as a heat exchange means, a blower fan 3 as a blower means, and a vertical air direction control device 5 and left and right It is assumed that the airflow direction control device 4 is configured by a blowout port 6 provided. As the blower fan 3 rotates, gas (here, air) flows in a direction from the suction port 1 to the blowout port 6. The heat exchanger 2 exchanges heat between the refrigerant and the air between the suction port 1 and the blowout port 6, thereby cooling the air during the cooling operation and heating the air during the heating operation. Here, the form of the indoor unit is not limited to the shape as shown in FIG. 1, and for example, it is a form in which the indoor unit is embedded and installed in an indoor wall, ceiling, or the like as an air-conditioning target space. May be.

  Based on the configuration of the indoor unit in FIG. 1, each embodiment relating to the left and right wind direction control device 4 according to the present invention will be described below. Here, in the following embodiments, the vertical direction in the opening portion (opening surface) of the blowout port 6 and the direction close thereto (short direction of the blowout port 6; AA ′ direction in FIG. 1) are described as the vertical direction. (In general, for example, the ceiling direction in the room (air-conditioning target space) in which the indoor unit is installed is the upward direction (A direction), and the floor direction is the downward direction (A 'direction)). In addition, the horizontal direction and the direction close to the vertical direction (longitudinal direction of the outlet 6; B-B 'direction in FIG. 1) will be described as the horizontal direction. The wind direction control device according to the present invention relates to the left and right wind direction control device 4 of the following embodiment, but is not limited to a device for performing wind direction deflection in the left and right direction (hereinafter referred to as right and left wind direction deflection). Absent. For example, depending on the design of the indoor unit, there is a case where the wind direction is deflected in the vertical direction. Moreover, it may differ depending on the installation state of the indoor unit.

Embodiment 1 FIG.
FIG. 2 is a diagram illustrating a configuration of the left / right airflow direction control device 4 according to the first embodiment. The left / right airflow direction control device 4 is a device (mechanism) for deflecting the airflow in the left / right direction and sending it from the outlet 6 with respect to the air flowing as the blower fan 3 rotates. FIG. 2 shows a part of the left / right airflow direction control device 4. In addition, for the sake of simplicity, the vertical direction and the like of FIG. 1 are reversed (different viewpoints) (the same applies to the drawings used in the following embodiments).

  The left and right wind direction control device 4 according to the present embodiment is provided side by side in the left and right direction, and a plurality of flat left and right blades 41 that perform air direction deflection in the left and right direction based on the direction of the air flow, Left and right blade rotation shafts 42 that are the central axes of rotation of the blades 41, a pedestal 43 that fixes each of the left and right blade rotation shafts 42 so as to be rotatable (turnable), and each left and right blades 41 to rotate the plurality of left and right blades 41 uniformly. The link rod 44 for transmitting force by connecting the link rod 44 and the link rod 44 with a pin or the like (not shown), and the force for changing the direction of the blade by rotating the left and right blades 41 to a predetermined angle. In addition to the link rod 44, it is composed of a left and right blade motor 45 serving as a wind direction deflecting drive means for transmission, and a pedestal motor 46 serving as a blade movement drive means for linearly moving (sliding) the pedestal 43. . In addition, in order to control the rotation angle of the left and right blades 41 and the position of the pedestal 43, control means 100 for driving and controlling the left and right blade motor 45 and the pedestal motor 46 is provided. Although not particularly shown here, a rail or the like may be provided, and the pedestal 43 may be moved linearly following the rail or the like.

  Here, in the normal state where the left / right wind direction control device 4 is not operated and the air is not deflected in the left / right direction, the air flow generated by the rotation of the blower fan 3 is sent out from the outlet 6 without being obstructed. To do. For this reason, the left and right blades 41 are arranged so as to be along the air flow direction (so that the flat plate surface is perpendicular to the opening surface of the outlet 6) (here, the angle at this time is 0 °). And). Here, a plurality of left and right blades 41 on the pedestal 43 that are connected to the link rod 44 and receive a force applied uniformly to rotation will be described as a left and right blade group.

  When the right and left wind direction is deflected, the control means 100 drives the left and right blade motor 45 to move the link bar 44 in the left and right direction. At this time, the left and right blades 41 of the left and right blade group connected to the link rod 44 by the link mechanism receive a force along with the movement of the link rod 44, and the left and right blade rotation shaft 42 is centered based on the direction of the force received. Rotate. The control means 100 drives the left and right blade motors 45 so that the left and right blades 41 are oriented at a predetermined angle. Here, for example, the cooling operation can be performed by 30 ° in the left-right direction, and the heating operation can be performed by 45 ° in the left-right direction. In addition, although the rotation is performed at a predetermined angle here, it is also possible to perform control such as rotation at an arbitrary angle depending on the type of the left and right blade motor 45. Hereinafter, basically, an operation related to the right and left wind direction deflection during the cooling operation or the heating operation will be described.

  Next, the pedestal 43 on which the left and right blade rotation shafts 42 (left and right blades 41) are rotatably fixed will be described. A rack (linear gear) 47 is formed on the side surface in the left-right direction on the pedestal 43 of the present embodiment. A pinion (circular gear) 48 is attached to the base motor 46 so that the rack 47 and the pinion 48 are engaged with each other. When the pedestal motor 46 is driven, the rack and pinion (rack and pinion) mechanism applies a force in the rotational direction to the meshed rack 47 as the pinion 48 rotates, so that the pedestal 43 moves linearly in the left-right direction. At this time, the left and right blade groups together with the pedestal 43 linearly move in the left-right direction while maintaining a fixed installation interval. The control means 100 drives the pedestal motor 46 so as to linearly move the pedestal 43 to a predetermined position. The detailed configuration of the left and right wind direction control device 4 is an example, and other mechanisms may be used as long as the left and right blades 41, the pedestal 43, and the like perform the same movement and function.

  FIG. 3 is a schematic diagram for illustrating the operation of the left and right wind direction control device 4 when the left and right wind directions are deflected in the first embodiment. Next, the relationship between the left and right wind direction control device 4 and the outlet side wall 61 by the operation of the left and right wind direction control device 4 will be described. Here, in FIG. 3, with respect to the direction from the blower fan 3 toward the up / down air direction control device 5 (the direction in which air flows), the direction toward the right side by the right / left air direction deflection is the right direction (B ′ direction) and the direction toward the left side. Is described as the left direction (B direction) (the same applies to the following similar drawings).

  When the left and right wind directions are deflected, the control unit 100 drives the left and right blade motors 45 based on the direction in which the wind direction is deflected to rotate the left and right blades 41 to a predetermined angle, for example. For example, as shown in FIG. 3A, during cooling operation, a gap with a predetermined interval is provided between the blower outlet side wall 61 and the left and right blades 41 at the extreme end closest to the blower outlet side wall 61. (Here, it is assumed that the position of the pedestal 43 at the time of the right and left wind direction deflection in the cooling operation is not different from the position of the pedestal 43 at the normal time).

  FIG. 4 is a diagram showing the relationship between the outlet side wall 61 and the left and right blades 41 at the extreme ends. As shown in FIG. 4, if the gap between the outlet side wall 61 and the left and right blades 41 at the extreme end in the direction opposite to the wind direction is narrow, the air from the blower fan 3 directly hits the left and right blades 41 at the extreme end. The stagnation occurs on the non-exposed surface (hereinafter referred to as the suction surface). Condensation occurs because the hot air in the room touches the negative pressure surface due to the stagnant air.

  Therefore, as shown in FIG. 3A, by providing a gap of a predetermined distance or more between the blower outlet side wall 61 and the left and right blades 41 at the extreme ends, the air from the blower fan 3 is deflected in the direction opposite to the wind direction. The stagnation of the air is suppressed by flowing around the suction surface of the left and right blades 41 at the extreme end on the side. This prevents the generation of condensation by preventing the hot and humid air in the room from coming into contact with the left and right blades 41 (not involving).

  On the other hand, since no condensation occurs during heating operation, there is no need to provide a gap. Further, if there is a gap, when the right and left wind direction deflection is performed, air that cannot be deflected is sent out from the gap on the side opposite to the wind direction. From the above, when changing the left and right wind direction in the heating operation, it is desirable to eliminate the gap as much as possible and increase the amount of air that can be deflected in the wind direction so that the air can be sent out from the outlet 6. Therefore, the control means 100 drives the left and right blade motor 45 to rotate the left and right blades 41 of the left and right blade group to a predetermined angle, and as shown in FIGS. 3B and 3C, the pedestal motor. 46 is driven to move the pedestal 43 linearly in the direction toward the direction opposite to the wind direction, and is arranged at a position that closes the gap between the outlet side wall 61 and the left and right blades 41 as much as possible. In FIG. 3B, the pedestal 43 is linearly moved in the left direction, and in FIG. 3C, the pedestal 43 is linearly moved in the right direction. Here, the control means 100 may drive the left and right blade motor 45 and the pedestal motor 46 at the same time, or after driving the pedestal motor 46 and disposing the pedestal 43, the left and right blade motor 45 may be driven. The left and right blade groups may be rotated by driving.

  The control means 100 causes the left and right airflow direction control device 4 to perform the mechanism operation as described above, and as shown in FIGS. It is moved in the direction opposite to the direction of the wind direction, and the gap between the outlet side wall 61 and the left and right blades 41 at the extreme ends is narrowed and eliminated. For this reason, air that can be deflected in the wind direction by deflecting the air also from the air that has leaked from the gap between the blower outlet side wall 61 and the left and right blades 41 at the endmost portion, which has been conventionally provided to prevent the occurrence of condensation during cooling operation. The amount of can be increased. Accordingly, it is possible to satisfy both the prevention of condensation during the cooling operation and the increase in the amount of air that can be deflected when the left and right air directions are deflected during the heating operation. The air applied to the left / right wind direction deflection is further deflected in the up / down direction by the up / down wind direction control device 5 and sent out.

  Further, when the left / right airflow direction control device 4 performs the operation related to the left / right airflow direction deflection, the left and right blades 41 at the extreme ends on the airflow direction side are directed toward the outlet side wall 61. For this reason, compared with the anti-wind direction deflection | deviation direction side, the flow of air will be shrunk | reduced on the wind direction deflection | deviation direction side, and the pressure loss accompanying air blowing will become large. To solve this problem, a solution may be considered in which the gap between the left and right blades 41 and the outlet side wall 61 at the extreme end on the wind direction deflection direction side is widened to alleviate the contraction of the air flow. Thereby, on the wind direction deflection direction side, the pressure loss due to the blowing of air can be reduced, and the amount of air sent from the blowing port 6 can be increased.

  FIG. 5 is a diagram illustrating a change tendency of the pressure loss in the left and right direction when the right and left wind direction is deflected in the heating operation. FIG. 5A shows a graph of pressure loss with respect to the position in the left and right direction in the conventional example and the left and right wind direction control device 4 of the present embodiment, and FIG. 5B shows the relationship between the left and right blade groups and the outlet side wall 61. This represents the positional relationship. Here, in Fig.5 (a), the speed (inflow wind speed) of the air from the ventilation fan 3 is 5.0 m / s, and the rotation angle of the right-and-left blade | wing 41 is 45 degrees. By using the left / right airflow direction control device 4 of the present embodiment, when the right / left airflow direction is deflected in the heating operation, as described above, the gap between the left and right blades 41 at the extreme end and the outlet side wall 61 is on the opposite side of the airflow direction. The amount of air that can be deflected in the wind direction is increased and the gap between the left and right blades 41 at the extreme ends and the outlet side wall 61 is widened on the wind direction deflection direction side. Therefore, as shown in FIG. 5, the air pressure loss can be reduced on the wind direction deflection direction side without causing a decrease in the air volume due to the contracted flow. The average value of the compression loss when viewed from the left and right wind direction control device 4 as a whole is also smaller than that of the conventional example. From the above, it is possible to increase the amount of air sent out during deflection of the left and right wind directions in heating operation (particularly, the amount of air that can be deflected) compared to the left and right wind direction control device 4 in the conventional example.

  As described above, according to the first embodiment, in the left / right airflow direction control device 4, the pedestal 43 provided with the left and right blade groups can be linearly moved in the left / right direction by driving the pedestal motor 46. In accordance with the operation mode of the conditioner, the position in the left-right direction can be changed with respect to the direction in which the air flows in the left and right blade groups. In particular, at the time of cooling operation, it is possible to prevent the occurrence of condensation by setting the gap between the left and right blades 41 at the extreme ends and the outlet side wall 61 at a predetermined interval so that air does not get trapped. In addition, when the right and left wind direction is deflected in the heating operation, by narrowing the gap between the left and right blades 41 at the extreme end on the counter air direction deflection direction side and the outlet side wall 61, the air that can deflect the air direction on the counter air direction deflection direction side is reduced. The amount can be increased. Further, by widening the gap between the left and right blades 41 at the extreme end on the wind direction deflection direction side and the outlet side wall 61, it is possible to suppress contraction in the wind direction deflection direction and reduce pressure loss. Therefore, by applying the left / right airflow direction control device 4 of the present embodiment to the indoor unit of the air conditioner, it is possible to suppress energy loss related to the sending of air, particularly when the right / left airflow direction is deflected during heating operation. For example, since the blown-out air can reach far away, sufficient hot air can be supplied to people in the room. Further, for example, since the power output for spreading the wind in the room can be suppressed, the downsizing and weight reduction of the indoor unit can be achieved by downsizing the blower fan 3 or the like.

  In particular, in the left and right airflow direction control device 4 of the present embodiment, the pinion 48 is rotated at a fixed position by the rack and pinion mechanism to move the pedestal 43 linearly, so that the movable range of the mechanism related to the movement is reduced. The left and right wind direction control device 4 can be downsized as a whole.

Embodiment 2. FIG.
FIG. 6 is a diagram illustrating a configuration of the left / right airflow direction control device 4 according to the second embodiment. In FIG. 6, the same means, devices, and the like as those of the first embodiment perform the same operation, and thus the description thereof is omitted. In the left and right airflow direction control device 4 of the present embodiment, a pedestal 43 and a pedestal motor 46 are connected via a pedestal link rod 49, and a force is transmitted by a link mechanism to be moved.

  For example, a case where left and right wind direction deflection is performed in the heating operation will be described. As shown in FIG. 6, when the direction of deflection of the wind direction is set to the right as shown in FIG. 6, each left and right blade 41 (left and right blade group) is rotated clockwise about the left and right blade rotation shaft 42 as described in the first embodiment. It is necessary to make it. Therefore, the control means 100 drives the left and right blade motors 45 to rotate clockwise and moves the link rods 44 in the right direction to rotate the left and right blades 41 by a predetermined angle.

  On the other hand, the control means 100 drives the pedestal motor 46 to rotate counterclockwise independently of the drive of the left and right blade motor 45. At this time, the pedestal 43 moves linearly in the left direction which is the anti-wind direction deflection direction.

  On the other hand, when the airflow is deflected in the left direction, the control means 100 drives the left and right blade motors 45 to rotate counterclockwise and moves the link rod 44 in the left direction to move the left and right blades 41. Is rotated by a predetermined angle. Further, the pedestal 43 is linearly moved in the right direction by driving the pedestal motor 46 to rotate counterclockwise. As a result, as in the first embodiment, the gap between the outlet side wall 61 and the left and right blades 41 at the extreme ends can be narrowed or widened.

  As described above, according to the second embodiment, since the pedestal 43 provided with the left and right blade groups can be linearly moved in the left and right directions in the left and right wind direction control device 4, the left and right blade groups are arranged in the direction of air flow. On the other hand, the position in the left-right direction can be changed. In particular, in the left and right airflow direction control device 4 of the present embodiment, the pedestal 43 and the pedestal motor 46 are moved by the link mechanism connected via the pedestal link rod 49, so that the force of the pedestal motor 46 is smoothly applied. The pedestal 43 can be moved linearly by transmission.

Embodiment 3 FIG.
FIG. 7 is a diagram illustrating a configuration of the left / right airflow direction control device 4 according to the third embodiment. In FIG. 7, the same means as those in the first and second embodiments perform the same operation, and thus the description thereof is omitted. In the left / right airflow direction control device 4 of the present embodiment, the left / right blade motor 45 is placed on a pedestal 43 so that it can move linearly together with the pedestal 43. In the present embodiment, as in the second embodiment, the force of the pedestal motor 46 is transmitted using the link rod 49 to be moved. Here, in order to smoothly convert the rotational movement of the link rod 49 by the pedestal motor 46 into the linear movement of the pedestal 43, a long hole is provided in the pedestal link rod 49, and the pin provided on the pedestal 43 passes through the long hole. It can be moved.

  For example, when the pedestal 43 moves linearly in a state where the left and right blade motor 45 is fixed at a position other than the pedestal 43, the pedestal 43 is relative to the link rod 44 without driving the left and right blade motor 45. Therefore, the left and right blade groups are rotated. Therefore, in the present embodiment, the left and right blade motor 45 is moved along with the pedestal 43. Thus, the link bar 44 can be moved only by driving the left and right blade motor 45 without being affected by the linear movement of the pedestal 43. Other operations in the left / right airflow direction control device 4 of the present embodiment will not be described in order to perform the same operations as described in the above embodiments.

  As described above, according to the third embodiment, since the pedestal 43 provided with the left and right blade groups can be linearly moved in the left and right directions in the left and right wind direction control device 4, the left and right blade groups are arranged in the direction of air flow. On the other hand, the position in the left-right direction can be changed. Particularly in the present embodiment, the left and right blade motor 45 is placed on the pedestal 43 so that it can move linearly together with the pedestal 43, so that the linear movement of the pedestal 43 and the rotation of the left and right blade groups can be completely distinguished. Can do. Therefore, if only the left and right blade groups are to be rotated, only the left and right blade motor 45 need be driven. If only the pedestal 43 is to be moved linearly, only the pedestal motor 46 need be driven. The control performed by the control means 100 can be simplified.

Embodiment 4 FIG.
FIG. 8 is a diagram illustrating a configuration of the left / right airflow direction control device 4 according to the fourth embodiment. In FIG. 8, the same means, devices, and the like as those of the first embodiment perform the same operations, and thus description thereof is omitted. The left / right airflow direction control device 4 of the present embodiment is configured to linearly move the pedestal 43 by using a linear actuator 50 as a blade moving drive unit.

  The linear motion actuator 50 includes a linear motion rod 51 that can advance and retreat (linear motion) in the axial direction and a power unit 52 that applies force to the linear motion rod 51. In the present embodiment, the linear motion actuator 50 is installed so that the linear motion bar 51 can advance and retreat (linear motion) in the left-right direction. Then, by fixing the pedestal 43 to the linear motion rod 51, the pedestal 43 is linearly moved in accordance with the advancement and retraction of the linear motion rod 51. Other operations in the left / right airflow direction control device 4 of the present embodiment will not be described in order to perform the same operations as described in the above embodiments.

  As described above, according to the fourth embodiment, since the pedestal 43 provided with the left and right blade groups can be linearly moved in the left and right direction in the left and right wind direction control device 4, the left and right blade groups are arranged in the direction of air flow. On the other hand, the position in the left-right direction can be changed. In particular, in the present embodiment, since the pedestal 43 is linearly moved by the linear actuator 50, the linear actuator 50 may be provided in consideration of the movement of the linear rod 51 only in the horizontal direction. The movable range other than can be reduced, and the left / right airflow direction control device 4 can be reduced in size as a whole.

Embodiment 5 FIG.
FIG. 9 is a plan view showing a basic configuration of the left and right wind direction control device 4 according to the fifth embodiment. In FIG. 9, the same means, devices, and the like as those in Embodiment 1 perform the same operations, and thus the description thereof is omitted. In the left and right wind direction control device 4 of the present embodiment, the pedestal 43 is linearly moved using the screw driving means 53 as the blade moving drive means.

  The screw drive means 53 includes a screw drive motor 54 that gives a rotational motion, a drive screw shaft (feed screw) 55 that rotates in accordance with the rotational motion of the screw drive motor 54, and a drive screw bearing that supports the drive screw shaft 55. 56. In the present embodiment, the screw driving means 53 is installed so that the drive screw shaft 55 is in the left-right direction. On the other hand, the pedestal 43 is formed with a female screw corresponding to the male screw formed on the drive screw shaft 55. Moreover, you may make it fix the nut etc. which formed the internal thread in the hollow part to the base 43. FIG.

  With the feed screw mechanism, the rotational motion of the screw drive motor 54 can be converted into the linear motion of the pedestal 43 by the drive screw shaft 55. Further, the pedestal 43 can be advanced and retracted to an arbitrary position within a predetermined range depending on the rotation direction of the screw driving motor 54. Here, since the thread grooves of the male screw of the drive screw shaft 55 and the female screw of the pedestal 43 are firmly engaged, the position of the pedestal 43 can be firmly fixed unless the screw driving motor 54 is rotated. . Other operations in the left / right airflow direction control device 4 of the present embodiment will not be described in order to perform the same operations as described in the above embodiments.

  Here, in the present embodiment, for example, it is assumed that the indoor unit includes a remote controller 110 for a person in the room to input an instruction to the control unit 100. A person in the room can input an instruction related to the position of the base 43 to the remote controller 110. The remote controller 110 transmits a signal based on the instruction input by the occupant to the control means 100. The control means 100 rotates the screw driving motor 54 based on the signal to advance and retract the pedestal 43 to a predetermined position. Here, the screw driving means 53 has been described as the blade moving driving means capable of linearly moving the pedestal 43 to an arbitrary position, but it is not particularly limited to the screw driving means 53.

  As described above, according to the fifth embodiment, since the pedestal 43 provided with the left and right blade groups can be linearly moved in the left and right directions in the left and right wind direction control device 4, the left and right blade groups are arranged in the direction of air flow. On the other hand, the position in the left-right direction can be changed. In particular, in the present embodiment, since the pedestal 43 is linearly moved by the screw driving means 53, the pedestal 43 can be controlled to a predetermined position and firmly fixed. Further, for example, based on an instruction input to the remote controller 110, the control unit 100 can drive the screw driving unit 53 to move the pedestal 43 to a predetermined position. Can be set.

Embodiment 6 FIG.
FIG. 10 is a diagram illustrating an example of the operation of the left / right airflow direction control device 4 according to the sixth embodiment. The left and right wind direction control device 4 of the present embodiment is different from the above-described embodiment in that a plurality of pedestals 43 having left and right blade groups are arranged side by side in the left and right direction. Since each pedestal 43 is independently provided with blade moving drive means such as a left and right blade motor 45 and a pedestal motor 46, the control means 100 controls the left and right blade groups (a plurality of left and right blade groups ( The angle of each left and right blade 41) and the amount of linear movement of each pedestal 43 can be controlled independently. Although the case where the two pedestals 43 are arranged side by side in the left-right direction will be described here, the number of the pedestals 43 is not particularly limited.

  About each operation | movement of each left-and-right blade group and each base 43 of the left-right wind direction control apparatus 4 in this Embodiment, since it performs the operation | movement similar to Embodiment 1 mentioned above, description is abbreviate | omitted. As described above, during cooling operation, in order to prevent condensation due to the high temperature and high humidity air in the room coming into contact with the negative pressure surface, as shown in FIG. Each pedestal 43 is arranged at a position where a gap of a predetermined interval is formed.

  In addition, as shown in FIG. 10 (b), when the left and right blades 41 of the plurality of left and right blade groups are directed in the same wind direction deflection direction during the left and right wind direction deflection in the heating operation as in the present embodiment, The control means 100 drives each pedestal motor 46 to linearly move each pedestal 43 in the same anti-wind direction deflection direction. And while closing the clearance gap between the outermost blade 41 on the opposite wind direction deflection direction side and the wall surface which the blower outlet side wall 61 makes (henceforth the blower outlet side wall 61), it exists in the wind direction deflection direction side. The gap between the left and right blades 41 at the end and the outlet side wall 61 is widened. Here, although the plurality of pedestals 43 are linearly moved in the same direction, there is no particular limitation on how much each pedestal 43 is moved. For example, the gap between the blower outlet side wall 61 on the counter-wind direction deflection direction side and the left and right blades 41 at the extreme end is closed, while the blower outlet side wall 61 on the wind direction deflection direction side and the left and right blades 41 on the extreme end are closed. The control means 100 controls the movement of each pedestal 43 so as to adjust the amount of air that can be deflected in the wind direction while preventing the contraction of the gap while preventing the gap from opening too much. In the present embodiment, the case where the wind direction deflection direction is the right direction has been described based on FIG. 10, but the same applies to the case where the wind direction deflection is performed in the left direction.

  As described above, according to the sixth embodiment, the left and right airflow direction control device 4 has the plurality of pedestals 43 that can be linearly moved in the left and right directions independently, so that each pedestal 43 is moved in any direction. Can be made. In particular, in the present embodiment, the control means 100 rotates each pedestal motor 46 in the same direction and linearly moves the plurality of pedestals 43 in the same direction, thereby preventing the occurrence of condensation during the cooling operation. The amount of air that can be deflected in the wind direction can be increased when the right and left wind directions are deflected during heating operation. Therefore, in the indoor unit provided with the left / right airflow direction control device 4 of the present embodiment, sufficient warm air can be supplied to the room occupants when the right / left airflow direction is deflected in the heating operation.

Embodiment 7 FIG.
FIG. 11 is a diagram illustrating an example of the operation of the left / right airflow direction control device 4 according to the seventh embodiment. Since the configuration of the left and right wind direction control device 4 of the present embodiment is the same as that of the sixth embodiment, the description thereof is omitted. In the present embodiment, the case where the two pedestals 43 are arranged in the left-right direction will be described, but the number of pedestals 43 is not limited.

  In this embodiment, among the left and right blade groups provided on the plurality of pedestals 43, the left and right wind direction control device 4 is controlled so as to deflect the wind direction in a direction different from that of the other left and right blade groups. It is a thing. In FIG. 11, the wind direction deflection direction by the left and right blade groups located at the extreme end is a direction toward the outlet side wall 61 close to each of the left and right blade groups.

  As described above, during cooling operation, in order to prevent dew condensation on the negative pressure surface due to the hot and humid air in the room coming into contact with the negative pressure surface, as shown in FIG. Each pedestal 43 is arranged at a position where the left and right blades 41 form a gap with a predetermined interval. On the other hand, as shown in FIG. 11 (b), during heating operation, the control means 100 sets each pedestal 43 to close (narrow) the gap between the two closest left and right blades 41 of each left and right blade group. Each is linearly moved to the central portion of the air outlet 6 which is in the direction opposite to the wind direction.

  By the operation as described above, particularly during the heating operation, the gap between the two closest left and right blades 41 of each left and right blade group is narrowed, and the left and right blades 41 and the blower outlet side wall 61 at the extreme end on the wind direction deflection direction side The pressure loss can be reduced by widening the gap, and the amount of air that can be deflected in the wind direction is increased.

  FIG. 12 is a diagram illustrating another example of the operation of the left / right airflow direction control device 4. In FIG. 12, the direction of deflection of the wind direction by the left and right blade groups located at the extreme end is the direction opposite to the outlet side wall 61 side close to the respective left and right blade groups (the direction of the center side of the outlet 6).

  During the cooling operation, similarly to FIG. 11 (a), also in FIG. 12 (a), each pedestal 43 is set to a position having a gap of a predetermined interval. On the other hand, as shown in FIG. 12B, during the heating operation, the gap between the left and right blades 41 at the extreme end and the outlet side wall 61 close to the left and right blades 41 is increased in order to increase the amount of air deflected in the wind direction. The control means 100 linearly moves each pedestal 43 in the direction of the air outlet side wall 61 that is the anti-wind direction deflection direction.

  By the operation as described above, particularly during heating operation, the gap between the left and right blades 41 at the extreme end on the counter-wind direction deflection direction side and the outlet side wall 61 is narrowed, and the two left and right blades 41 of each left and right blade group are closest to each other. The gap between them can be widened to reduce the pressure loss, and the amount of air that can be deflected in the wind direction is increased.

  As described above, according to the seventh embodiment, the left and right airflow direction control device 4 has the plurality of pedestals 43 that can be linearly moved independently in the left and right directions, so that each pedestal 43 is moved in any direction. Can be made. Particularly in the present embodiment, the control means 100 rotates each pedestal motor 46 so as to deflect the wind direction of at least one left and right blade group in a direction different from the other left and right blade groups, and is positioned at the end. When the direction of the left and right blade groups is directed toward the outlet side wall 61 close to each of the left and right blade groups, each pedestal 43 is linearly moved in the center direction of the outlet 6 which is the anti-wind direction deflection direction, so that the wind direction is deflected. The amount of air can be increased, and hot air can be supplied over a wide area in the room. Conversely, when the direction of the left and right blade groups located at the extreme ends is directed toward the center of the outlet 6, each pedestal is directed in the direction of the outlet side wall 61 close to each of the left and right blade groups on the anti-wind direction deflection direction side. Since 43 is moved linearly, the amount of air to be deflected in the wind direction can be increased, and the air to be sent can be concentrated in the central portion. Therefore, in the indoor unit provided with the left and right wind direction control device 4 of the present embodiment, sufficient warm air can be supplied to the occupants in the room at the time of deflection of the left and right wind directions during heating operation. it can.

Embodiment 8 FIG.
In the above-described embodiment, the position of the pedestal 43 during the cooling operation is described as a normal position, but the present invention is not limited to this. For example, the position at the time of the right and left wind direction deflection in the heating operation may be a normal position, and the pedestal 43 may be moved linearly during the cooling operation.

  Although not specifically described in the above-described embodiment, in the case of a swing that automatically repeats the wind direction deflection in both the left and right directions, the pedestal motor 46 and the like are not used. Control and design may be performed in consideration of durability of the blade moving drive means and mechanism.

  In the above-mentioned embodiment, the indoor unit of the air conditioner having the left and right wind direction control device according to the present invention has been described. The left and right wind direction control device according to the present invention is basically most suitable for an indoor unit of an air conditioner. However, the equipment to which the left / right wind direction control device according to the present invention is applicable is not limited to the indoor unit. For example, the present invention can also be applied to devices that send fluid (particularly gas) such as a blower, a humidifier, and a dehumidifier.

It is a sectional side view which shows the indoor unit of an air conditioner. It is a figure which shows the structure of the left-right wind direction control apparatus 4 concerning Embodiment 1. FIG. FIG. 5 is a schematic diagram showing the operation of a left / right airflow direction control device 4 in the first embodiment. It is a figure showing the relationship between the blower outlet side wall 61 and the right-and-left blade | wing 41 of the extreme end part. It is a figure which shows the tendency of the change of the pressure loss of the left-right direction in heating operation. It is a figure which shows the structure of the left-right wind direction control apparatus 4 concerning Embodiment 2. FIG. It is a figure which shows the structure of the left-right wind direction control apparatus 4 concerning Embodiment 3. FIG. It is a figure which shows the structure of the left-right wind direction control apparatus 4 concerning Embodiment 4. FIG. It is a figure which shows the structure of the left-right wind direction control apparatus 4 concerning Embodiment 5. FIG. FIG. 10 is a diagram illustrating an example of an operation of a left / right wind direction control device 4 according to a sixth embodiment. FIG. 10 is a diagram illustrating an example of the operation of the left / right airflow direction control device 4 according to the seventh embodiment. It is a figure showing another example of operation | movement of the left-right wind direction control apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Suction port, 2 Heat exchanger, 3 Blowers, 4 Right / left air direction control device, 5 Up / down air direction control device, 6 Outlet, 41 Left / right blade, 42 Left / right blade rotation axis, 43 Base, 44 Link rod, 45 For left / right blade Motor, 46 pedestal motor, 47 rack, 48 pinion, 49 pedestal link rod, 50 linear motion actuator, 51 linear motion rod, 52 power unit, 53 screw drive means, 54 screw drive motor, 55 drive screw shaft, 61 Mouth side wall, 100 control means, 110 remote controller.

Claims (10)

Heat exchange means for cooling or heating the air between the air inlet and the air outlet for sucking air in the air-conditioning target space;
Air blowing means for causing the heat exchange means to send out the cooled or heated air from the outlet;
A plurality of blades provided along the longitudinal direction of the blowout port for deflecting the direction of the gas sent from the blowout port, wind direction deflecting drive means for driving to change the direction of the blades, and the longitudinal Wind direction control means having blade movement driving means for driving to move the plurality of blades along the direction ;
A plurality of blades rotatably installed, and a pedestal that allows the plurality of blades to move by movement;
The driving means includes
When deflecting the wind direction of the heating operation, the pedestal is moved to a position that reduces the gap between the blades on the opposite direction side of the blades and the wall surface of the outlet, among the plurality of blades,
When the airflow direction is deflected during cooling operation, the pedestal is placed at a position such that the gap between the blades on the opposite direction side of the blades and the wall surface of the outlet is equal to or greater than a predetermined interval. An indoor unit of an air conditioner characterized by being moved . An indoor unit of an air conditioning apparatus according to claim 1, wherein the blade moving drive means is a motor. Forming a rack on the pedestal;
The indoor unit of an air conditioner for an indoor unit according to claim 2, wherein a pinion is provided in the motor, and the pedestal is moved by a rack and pinion mechanism. The indoor unit of an air conditioner for an indoor unit according to claim 2, wherein the pedestal and the motor are connected via a link rod. An indoor unit of an air conditioning apparatus according to claim 1, wherein the indoor unit, wherein said blade moving drive means is a linear actuator. An indoor unit of an air conditioning apparatus of the indoor unit of claim 1, wherein the blade moving drive means is a feed screw driving means. The indoor unit of an air conditioner for an indoor unit according to any one of claims 1 to 6 , wherein the driving means for deflecting the wind direction is provided on the pedestal. The blade moving drive means, in any one of claim 1 to 7, characterized in that moving the plurality of blades in a direction opposite to the direction of the said blades wind deflector drive means was unsuitable The indoor unit of the air conditioning apparatus described. A plurality of blade movement driving means for independently moving the plurality of pedestals and the respective pedestals, and arranging the plurality of pedestals along a longitudinal direction of the blower opening surface; the indoor unit of an air conditioner according to any one of claims 1 to 8, wherein the moving in the same direction. A plurality of blade movement driving means for independently moving the plurality of pedestals and the respective pedestals, and arranging the plurality of pedestals along a longitudinal direction of the blower opening surface; The indoor unit of the air conditioning apparatus according to any one of claims 1 to 8 , wherein at least one pedestal is moved in a direction different from other pedestals.

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