JPS60196415A - Flow direction controller - Google Patents

Abstract

PURPOSE:To deflect a blowing flow in a wide-angle manner, by sticking the blowing flow out of a blowoff port small in an aspect effect to a guide wall with a Coanda effect. CONSTITUTION:Plural vanes 6, which rotate centering on a shaft installed at a right angle to a flow along a passage 2, are installed in an outlet part 4. These vanes 6 are set up so as to become a gradually expanding form 80 to a flow direction in time of being rotated at the specified angle. These vanes 6 under this condition form a second guide wall surface 8. And, a first guide wall surface 7 being gradually expanded along the flow is formed in an outer side of these vanes 6. With the second guide wall surface 8 formed by rotating these vanes 6 like that, a blowing flow is deflectable in a wide-angle manner owing to a Coanda effect of both these guide wall surfaces 7 and 8.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a flow direction control device that deflects a flow blown out from an air conditioner or the like in an arbitrary direction, particularly in a direction where the Anuvek I ratio (aspect ratio) of the outlet is small. It concerns something that deflects the flow.

The configuration of the conventional example and its problems As shown in Figures 1 and 2, the aspect ratio H/W (H
A conventional flow direction control device when W is small (see Figure 2) is one in which a plurality of rotating blades 1 are arranged in a row.
·Ta. With this configuration, as shown by the dashed line, if you try to deflect the flow significantly to the left (or right) from the front, almost all of the flow will collide with the blade 1 and be forcibly deflected. At the same time, the passage width W is also extremely reduced, so the blowout flow rate is significantly reduced compared to the case shown by the solid line. Therefore, in practical use, the deflection angle of approximately 30° is 0.
was the limit. However, at this deflection angle, there are many areas where the air conditioner does not reach depending on the installation position and conditions of the air conditioner, so there are many inconveniences in use.

OBJECTS OF THE INVENTION The present invention solves the problems of the prior art, and provides a flow nozzle direction control device i' that can direct the flow over a wide angle while minimizing the low F rate of wind cooling. The [] objective is to provide f.

Part of the Invention To achieve this object, the present invention provides a method in which, when each of a plurality of blades is tilted at a certain angle in the same direction, a portion of the blade forms a guide wall surface with a gradually enlarged shape. The above-mentioned blades are arranged as shown in the figure.

With this configuration, the flow arrives at the guide wall formed by the blades ((()) due to the Coanda effect, thereby deflecting the flow over a wide angle without reducing the air volume. do it yourself.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 3 and 4. In Figures 3 and 4, 2 is the flow path, 3 is the 1st part, and 4 is the 11th part. 1j'l K!1ll
A plurality of blades 6 are provided in the first part 4 of the flow path 2 and rotate around a shaft 5 provided substantially at right angles to the flow along the passage 2. On the outside of the blade 6, there is a first guide parallel to the axis of the blade and configured to gradually expand in the direction of the flow. A wall surface 7 is provided. When the blade 6 is rotated to a predetermined angle as shown in FIG. 3, a part of the blade 6 moves 71' in the direction of the flow along the passage, as shown in the figure, to form a tllv primary expanded shape. Second guide wall surface 8
They are arranged to form a . That is, the shaft 5 is arranged in a progressively enlarged shape at the outlet. Also, one of the feathers
In case, when forming the guide wall surface 7 as shown in FIG. 3, the distance between the axes is set to be less than that so that a gap between the blades does not occur. If the distances between the shafts are not equal, it is necessary to set the Ipg of the blades existing between the shafts to be larger than the distance between the shafts. In the figure, the distance between the axes and the radius a of the blades are made equal so that the guide wall surface 7 is smooth. In Figures 3 to 6, all the blades 6 are made up of turns at the same angle at the same time.
The most efficient condition of the blades 6 can be created by using several exercise machines.

In the above configuration, when the blades 6 are in the state shown in Figure 3, they are directed slightly to the left by the group of blades on the stone side in the figure (although they are directed considerably to the left in the figure, this is due to the interlocking mechanism (related to 14). In reality, there is no sense of security in turning this far to the left.

) the flow is bent. Is this flow the left wing? rr, the flow interferes with the second guide wall 8 formed by In the first to lever conditions, the left half of the flow path is blocked, but the right half has less resistance to the flow, so the air volume is reduced compared to the conventional example. -Also, since the deflection angle 0 of the flow is also deflected towards the guide wall surface 7 (= by the first arrival), 211 (unreasonably deflected. 1, the second The flow along the back side 80 of the guide wall surface 8 interferes with the first guide wall surface 7, that is, all the flow is reasonably deflected by the Coanda effect.
Wide-angle deflection is achieved with almost no reduction in air volume.

Next, as shown in FIG. 5, when the blades 6 are simultaneously rotated counterclockwise, the flow is blown out to the front. (
In FIG. 5, the blades are slightly expanded outward due to the arrangement of the blades, but the blades can be brought into an optimal state by an interlocking mechanism. ) Furthermore, at a position intermediate between FIG. 3 and FIG. 5, the flow is deflected approximately in proportion to the rotation angle of the blade 6.

If the blades 6 are rotated more than this, the group of blades on the right side will now form a guide wall surface and will deflect at a wide angle to the left and right. (Figure 6) Figures 3 to 6 show the case of wide-angle deflection to both left and right sides, but if only one side is used, it is not necessary to make it symmetrical as shown in the figure, and a simpler blade arrangement is possible. You should do it.

In addition, in the figures of the present invention (Figs. 3, 5, and 6), the upstream side of the first guide wall surface 7 is a diaphragm 70, which is designed to increase the deflection performance. ) and the third
As shown by the chain line in the figure, there is no problem with operation even when there is no aperture.

Effects of the Invention According to the flow direction control device of the present invention, when the blade is rotated by a predetermined angle of 1 or more, a part of the blade sequentially forms a guide wall surface with an enlarged shape, and this blade Since a guide wall surface is also provided on the outside of the air conditioner, the effect of the flow hitting the curved wall allows the flow to be deflected over a wide angle while minimizing the drop in air volume, regardless of the installation conditions of the air conditioner. It becomes possible to send air conditioning flow to a wide area.

[Brief explanation of the drawing]

FIG. 1 is a plan sectional view of a conventional flow direction control device, FIG. 2 is a front view of FIG. 1, FIG. 3 is a plan sectional view of a flow direction control device showing an embodiment of the present invention, and FIG. is a front view of FIG. 3, and FIGS. 5 and 6 are cross-sectional views of the same plane. 2 flow passage, 3 population section, 4-71 first section, 5 axis, 6 blade, 7 first guide wall surface, 8 second guide wall surface. Name of agent Toshio Nakao, JF Physician, and one other person Figure 1

Claims (2)

[Claims] (1) A flow passage having an inlet and an outlet, a plurality of blades rotating around an axis provided substantially perpendicular to the flow along the passage, and a plurality of blades provided on the outside of the blade. a first guide wall surface parallel to the axis of the flow path and configured to have a shape that gradually expands with respect to the direction of flow along the passage, and when each of the blades is tilted at a predetermined angle in the same direction, the A flow direction control device in which a portion of the blade is arranged so as to form a second guide wall surface that is gradually enlarged with respect to the flow direction along the passage. (2) The flow direction control device according to claim 1, wherein when the guide wall surface is formed, the width of the blades existing between adjacent shafts is set to be equal to or larger than the distance between the shafts.