JP2015055441A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve maintainability in a state in which draft resistance is not increased.SOLUTION: An air conditioner includes: a main body; an indoor heat exchanger; an indoor fan; a vertical air direction change blade provided at a blowout opening and changing the direction of blown-out air; a plurality of right-left air direction change blades provided at the blowout opening and changing the direction of the blown-out air; a support member for supporting the right-left air direction change blades; and a driving motor connected to the support member. The support member comprises: retaining parts which retain the right-left air direction change blades; a connection crosspiece connecting the retaining parts to each other; and a connection part connecting the connection crosspiece to the driving motor. The retaining parts are arranged upstream from the connection part in an air channel, and the connection crosspiece is arranged downstream from the connection part in the air channel.

Description

  The present invention relates to an air conditioner for performing indoor air conditioning.

  In an air conditioner used in a general household, in order to suppress noise and vibration in the room, a large noise source such as a compressor and a vibration source are usually provided in the outdoor unit to reduce noise and vibration. A separator type in which a small number of fans, heat exchangers, and the like are arranged in an indoor unit is used. The indoor unit configured as described above is installed on a wall surface or the like in the room, and an air conditioning operation is performed so that the room has a desired temperature. The outdoor unit and the indoor unit are mechanically and electrically connected to each other by a refrigerant pipe and a control wiring, and perform an air conditioning operation in cooperation with each other.

  The indoor unit of the air conditioner is provided with a blowout port for blowing out temperature-controlled air into the room, and the blowout port is provided with a wind direction changing means for changing the direction of the blown air. ing. As the air direction changing means, in order to send out the air blown from the outlet toward a desired area in the room, the air flow changed from the outlet to the upper and lower air direction changing blades for changing the flow of the air in the vertical direction, and from the outlet There is used a wind direction changing blade composed of left and right wind direction changing blades that change the flow of the blown air in the left and right direction.

  As a left / right wind direction changing blade in a conventional air conditioner, for example, as shown in FIG. 10, there is one configured by connecting a plurality of blades to each other (see Patent Document 1).

JP 2009-299994 A

  However, in the conventional structure, since the connection part of the blade | wings in a left-right wind direction change blade | wing becomes the blower outlet vicinity, there existed a subject that it became resistance with respect to the air which flows from a blower outlet.

  Therefore, in the present invention, by contriving the connecting portion between the blades in the left and right wind direction changing blades, the connection portion between the left and right wind direction changing blades and the indoor unit main body is not as resistant as possible to the air coming out of the outlet. It is composed.

  In order to achieve the above object, according to one aspect of the present invention, a main body, an indoor heat exchanger, an indoor fan, an up / down airflow direction changing blade provided at an air outlet and changing the direction of the airflow, and an air outlet A plurality of left and right wind direction changing blades that change the direction of the blown air, a support member for supporting the left and right wind direction changing blades, and a drive motor connected to the support member. The holding part that holds the wind direction changing blade, the connecting bar that connects the holding parts, and the connecting part that connects the connecting bar and the drive motor, the holding part is upstream of the connecting part in the air passage. The connecting bar is arranged on the downstream side of the connecting portion in the air passage.

According to the present invention, the ventilation resistance of the connecting portion can be reduced without taking a complicated configuration.

Schematic of the indoor unit in the air conditioner of one embodiment according to the present invention Schematic showing the state during air conditioning operation in the air conditioner The perspective view which shows the left-right wind direction change blade | wing in an air conditioner Enlarged view showing the configuration of the left and right wind direction change blades in the air conditioner Cross section of left and right wind direction change blades in air conditioner Enlarged view of left and right wind direction change blades in air conditioner Exploded perspective view of connecting bars in air conditioner Front view near the air outlet in an air conditioner Enlarged view of the air conditioner near the air outlet The figure which shows the conventional air conditioner

  The air conditioner of the present invention includes a main body, an indoor heat exchanger, an indoor fan, an up / down air direction change blade provided at the outlet and changing the direction of the outlet air, and a direction of the outlet air provided at the outlet. A plurality of left and right wind direction change blades, a support member for supporting the left and right wind direction change blades, and a drive motor coupled to the support member, the support member holding the left and right wind direction change blades, It is assumed that it is composed of a connecting bar that connects the holding parts, and a connecting part that connects the connecting bar and the drive motor, and the holding part is arranged upstream of the connecting part in the air passage, In the air passage, it is arranged downstream of the connecting portion.

  Thereby, the ventilation resistance of the left and right wind direction changing blades can be suppressed as much as possible.

  Furthermore, the up-and-down air direction changing blade is provided with an auxiliary blade, and the connecting bar is close to the upstream side of the auxiliary blade in the air passage.

  As a result, the ventilation resistance is not further increased, and since it is integrated with the auxiliary blade, the rectifying action works and noise can be prevented.

  Furthermore, the blowout port is configured such that both end portions are narrower than the central portion.

  Thereby, the wind speed can be made uniform and the vibration of the blades can be suppressed.

  Hereinafter, embodiments of the air conditioner of the present invention will be described with reference to the accompanying drawings. In addition, in the air conditioner of the following embodiment, although a specific structure is demonstrated, this invention is not limited to the specific structure of the following embodiment, The same technical idea Various air conditioners to which a configuration based on the above is applied are included.

(Embodiment 1)
FIG. 1 is a schematic diagram of an indoor unit in an air conditioner according to an embodiment of the present invention. Moreover, FIG. 2 is the schematic which shows the state at the time of the air-conditioning driving | operation in the air conditioner of one Embodiment which concerns on this invention. FIG. 3 is a perspective view showing left and right wind direction changing blades in the air conditioner.

Here, during operation, the main body 1 operates as shown in FIG. 2 so that the first up / down air direction changing blade 2, the second up / down air direction changing blade 3, and the auxiliary blade 4 are opened. . Then, air is blown from the main body 1. At this time, when changing the wind direction in the vertical direction, the angle of the first vertical wind direction change blade 2 or the second vertical wind direction change blade 3 is changed, and the wind direction is changed in the horizontal direction. In this case, the angle of the left / right wind direction changing blade 5 is changed. The auxiliary blade 4 is a plate-like blade that is provided above the first up / down air direction changing blade 2 and is parallel to the upper surface of the first up / down air direction changing blade 2. It is supported by a support portion 4a perpendicular to the upper surface.

  4 is an enlarged view showing the configuration of the left and right wind direction changing blades, and FIG. 5 is a cross-sectional view of the left and right wind direction changing blades. As shown in FIG. And is operated so as to change the right and left wind directions by the driving force of the driving motor 7 during operation. The assembled state is as shown in FIG. 6, and the single support member 6 has the configuration shown in FIG. As shown in the figure, the support member 6 includes a holding portion 8 that pivotally supports the left and right wind direction changing blades 5, a connecting beam 9 that connects the holding portions, and a connecting portion 10 that connects the connecting beam 9 and the drive motor 7. It is made up of. When the support member 6 is attached to the main body 1, the holding portion 8 is disposed on the upstream side of the connection portion 10 in the air passage, and the connecting bar 9 is on the downstream side of the connection portion 10 in the air passage. It is arranged. By setting it as such a structure, the connection crosspiece 9 of the support member 6 will be located more downstream.

  Although the air blown out from the main body 1 spreads toward the downstream side, the connection beam 9 arranged so as to block against such a flow is placed on the downstream side as much as possible. By arranging the connecting bar 9 on the downstream side of the connecting portion 10 and arranging the holding portion 8 on the upstream side of the connecting portion 10, the operability of the left and right wind direction changing blades 5 is reduced without impairing the operability. It was possible to arrange in. Thereby, the ventilation resistance of the support member 6 holding the left / right wind direction changing blade 5 can be suppressed as much as possible.

(Embodiment 2)
In the present embodiment, parts different from the first embodiment will be described. In the present embodiment, in addition to the first embodiment, the connecting bar 9 is further close to the upstream side of the auxiliary blade 4.

  The connecting bar 9 is provided on the downstream side of the air passage. However, depending on the air volume and the opening state of the opening of the main body 1, the flow of air blown out from the main body 1 may be disturbed.

  On the other hand, by arranging the auxiliary blades 4 on the downstream side of the connecting bars 9, the connecting bars 9 and the auxiliary blades 4 are integrated with the air flow blown from the main body 1. Thus, the disturbed area can be further reduced. That is, by adopting such a configuration, it is possible to suppress the connecting rail 9 from being further ventilated as much as possible, and a rectifying action by being integrated with the auxiliary blade 4 works, and occurs when the main body 1 is operated. Noise can be prevented.

(Embodiment 3)
In this embodiment, parts different from those in Embodiment 1 or Embodiment 2 will be described. 8 and 9 show diagrams of the present embodiment. In the present embodiment, in addition to the first embodiment or the second embodiment, with respect to the air outlet 11, by providing convex portions 12 at both end portions, the width of both end portions (Y in the figure) is set at the center portion. It is narrower than (X in the figure).

  By doing in this way, while the blower outlet 11 is narrowed by the connection bar 9 in the center part, the flow velocity is uniform as a whole of the blower outlet 11 by providing a convex part in the housing | casing part of a main body at both ends. Will be.

Thus, even when the first up / down wind direction changing blade 2 and the second up / down wind direction changing blade 3 operate or when the blowing wind speed is increased, the wind speed is made uniform. By
Generation of sound due to fluttering of the blades can be prevented.

  Note that it is more desirable to provide the left / right airflow direction changing blade 5 in an area where the air outlet 11 is not narrowed (X in the figure) in order to prevent the generation of sound due to the fluttering of the blade.

  The air conditioner of the present invention is useful as an air conditioner used for business use and general households because it can reduce the ventilation resistance of the connecting portion without taking a complicated configuration.

DESCRIPTION OF SYMBOLS 1 Main body 2 1st up-and-down air direction change blade 3 2nd up-and-down air direction change blade 4 Auxiliary blade 5 Left and right air direction change blade 6 Support member 7 Drive motor 8 Holding part 9 Connecting bar 10 Connection part 11 Outlet 12 Convex part

Claims (3)

A main body, an indoor heat exchanger, an indoor fan, an up / down air direction changing blade provided at the outlet and changing the direction of the outlet air, and a plurality of left / right air direction changing blades provided at the outlet and changing the direction of the outlet air A support member for supporting the left and right wind direction changing blades, and a drive motor coupled to the support member,
The support member includes a holding portion that holds the right and left wind direction changing blades, a connecting bar that connects the holding units, and a connecting unit that connects the connecting bar and the drive motor.
The air conditioner is characterized in that the holding portion is disposed on the upstream side of the connection portion in the air passage, and the connecting bar is disposed on the downstream side of the connection portion in the air passage. 2. The air conditioner according to claim 1, wherein the up-and-down wind direction changing blade includes an auxiliary blade, and the connecting bar is close to an upstream side of the auxiliary blade in a wind path. The air conditioner according to claim 1 or 2, wherein both ends of the air outlet are narrower than the center.

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