JP2000088293A - Air supply guider - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the generation of noise from an outdoor unit and to prevent lowering of an airflow, in the air supply guider for varying an air direction of the outdoor unit of an air-conditioner. SOLUTION: An air supply guider comprises a mounting frame 5a; a plurality of blades 6 horizontally mounted on the mounting frame 5a and formed in a curved shape in cross section; and a plurality of wire rods 7 mounted between the adjoining blades 6 of a plurality of the blades 6. Since the fan guide of an outdoor unit 1 exercising an influence on a flow of supply air from a fan 2 is removed, incurring of a pressure loss is reduced due to reduction of the occurrence of peeling by air at the outdoor unit 1, lowering of an airflow at the air supply part of the outdoor unit 1 is prevented from occurring and reduction of the generation of noise is achieved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blowing guider for changing a wind direction in an outdoor unit or the like of an air conditioner.

[0002]

2. Description of the Related Art In recent years, with respect to outdoor units of the side-blowing type, blow-out guiders have been sold separately so that the wind direction can be changed upward in order to save space when installing in open-field areas or when installing on the roof of a building. It has been responding as a product.

[0003] As a conventional blowing guider, Japanese Utility Model Laid-Open No. 3-1
No. 18456. Less than,
The above-mentioned conventional blowing guider will be described with reference to the drawings.

FIG. 7 is a perspective view showing a conventional blowout guider and an outdoor unit to which the blowout guider is attached. FIG. 8 is a longitudinal sectional view of a fan unit and a blowout guider of the outdoor unit to which the conventional blowout guider is attached.

In FIGS. 7 and 8, reference numeral 1 denotes an outdoor unit having an opening at the front. Reference numeral 2 denotes a fan, which is arranged inside the opening of the outdoor unit 1 and blows air from the opening. Reference numeral 3 denotes an orifice, which is provided at the edge of the opening of the outdoor unit 1 and is mounted close to the periphery of the fan 2. Reference numeral 4 denotes a fan guard, which is attached to the opening of the outdoor unit 1 and close to the downstream side of the fan 2. Reference numeral 5 denotes a blowing guider, which is placed downstream of the fan guard 4 and is fixed to the front surface of the outdoor unit 1. 5a is a mounting frame for the blow-out guider 5. Reference numeral 6 denotes a blade having a curved vertical cross section which is horizontally mounted on the mounting frame 5a.
The fan 2 is fixed to the mounting frame 5a so as to incline upwardly toward the downstream side so as to direct the wind of the fan 2 upward.

[0006] The operation of the blowout guider 5 configured as described above will be described below. First, when the fan 2 is operated, the blowout flow 8 is blown radially and passes through the fan guard 4 as shown in FIG. Next, blowout guider 5
The blowing flow 8 is bent upward along the blade 6 of the blowing guider 5 under the influence of the above.

[0007]

However, in the above-mentioned conventional configuration, the fan guard 4 is mounted close to the downstream side of the fan 2 with respect to the radial flow of the blow-out flow 8 of the fan 2. As shown in (1), there is a drawback in that a large amount of wind separation occurs and does not follow the blade 6 of the blowing guider 5, the pressure loss increases, the air volume decreases, and the noise increases.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a blow-out guider that reduces wind separation between an outdoor unit and a blow-out guider, reduces pressure loss, and prevents a decrease in air flow to reduce noise. I do.

[0009]

SUMMARY OF THE INVENTION In order to achieve this object, the present invention provides a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved vertical cross section, and each of the plurality of blades. This is a configuration including a plurality of wires attached between the blades.

[0010] Thus, since a plurality of wires are attached between the blades of the plurality of blades, it is possible to remove the fan guard of the outdoor unit which affects the blowout flow from the fan. By reducing the pressure, the pressure loss is reduced, and a reduction in the air volume at the blowout portion of the outdoor unit can be prevented, and the noise can be reduced.

Further, the present invention is characterized in that a mounting frame, a plurality of blades horizontally mounted on the mounting frame and having a curved vertical cross section, and a plurality of wires are mounted between the blades of the plurality of blades. The plurality of wires are streamlined.

[0012] Accordingly, when the blowout flow radially blown from the fan is bent upward along the blades of the blowout guider, wind separation due to the influence of the plurality of wires attached between the blades is reduced. As a result, pressure loss is reduced, and noise at the blowout guider can be reduced.

Further, according to the present invention, a mounting frame, a plurality of blades horizontally mounted on the mounting frame and having a curved vertical cross section, and a plurality of wires are mounted between the blades of the plurality of blades. The plurality of wires have a streamline shape in which the downstream side in the flow direction is saw-shaped.

Thus, the plurality of wires attached between the blades are streamline wires having a sawtooth shape on the downstream side in the flow direction.
By generating a small and stable vortex, the flow is rectified without generating large turbulence, so that the turbulence and noise of the wind from the blow-out guider can be reduced.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved longitudinal section, and each blade of the plurality of blades. Since a plurality of wires are attached therebetween, the fan guard of the outdoor unit that affects the blowout flow from the fan can be removed, and thus has the effect of reducing wind separation in the outdoor unit.

[0016] According to a second aspect of the present invention, there is provided a mounting frame, a plurality of blades horizontally mounted on the mounting frame and having a curved vertical cross section, and a plurality of blades between the blades. Wires are attached, and the plurality of wires are streamlined, so that the blowout flow radially blown from the fan is attached between the blades when bending upward along the blades of the blowout guider. It has the effect of reducing wind separation due to the influence of the plurality of wires.

According to a third aspect of the present invention, there is provided a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved longitudinal section, and a plurality of blades interposed between the blades. A wire is attached, and the plurality of wires have a streamline shape in which the downstream side in the flow direction is formed in a saw shape. Therefore, the rectification is performed without generating the turbulence, so that the turbulence of the wind from the blowing guider is reduced.

[0018]

(Embodiment 1) Hereinafter, Embodiment 1 of a blow-out guider according to the present invention will be described with reference to the drawings.
The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

FIG. 1 is a perspective view of a blow-out guider according to Embodiment 1 of the present invention. FIG. 2 is a perspective view showing a blowout guider and an outdoor unit to which the blowout guider is attached. FIG.
It is a longitudinal section of the fan part of the outdoor unit to which the blow-out guider was attached, and the blow-out guider.

Reference numeral 1 denotes an outdoor unit having an opening at the front. Reference numeral 2 denotes a fan, which is arranged inside the opening of the outdoor unit 1 and blows air from the opening. Reference numeral 3 denotes an orifice, which is provided at the edge of the opening of the outdoor unit 1 and is mounted close to the periphery of the fan 2. Reference numeral 5 denotes a blowing guider, which is placed downstream of the fan guard 4 and is fixed to the front surface of the outdoor unit 1. 5a is a blowing guider 5
Mounting frame. Reference numeral 6 denotes a plurality of blades which are horizontally mounted on the mounting frame 5a and have a curved vertical cross section.
Is fixed to the mounting frame 5a so as to incline upward toward the downstream side so as to direct the wind upward. Reference numeral 7 denotes a plurality of wires attached so that a finger or the like does not enter between the blades of the plurality of blades 6.

The operation of the blowing guider 5 configured as described above will be described below. First, when the fan 2 is operated, the blow-off flow 8 is blown out radially as shown in FIG. 3, but is not affected by the fan guard (described in the conventional example), so that the flow smoothly flows to the blow-out guider 5. Since the wind direction is changed along the blade 6 and blown out, the separation of the wind from the blowout portion of the outdoor unit is reduced, so that the pressure loss is reduced as compared with the conventional case, and the airflow at the blowout portion of the outdoor unit is reduced. And noise can be reduced.

(Embodiment 2) Hereinafter, a second embodiment of the blow-out guider according to the present invention will be described with reference to the drawings.

FIG. 4 is a longitudinal sectional view of a blow-out guider according to a second embodiment of the present invention. Reference numeral 7a denotes a plurality of streamline wires attached so that fingers and the like do not enter between the blades.

The operation of the blowout guider 5 configured as described above will be described below. The blowing flow 8 flowing to the blowing guider 5 is changed in wind direction along the blade 6. Wind separation due to the influence of the plurality of wires attached to the downstream side of the blade 6 is reduced by the streamlined wire 7a, so that pressure loss is reduced, and noise at the blowout guider can be reduced.

(Embodiment 3) Hereinafter, a third embodiment of the blowout guider according to the present invention will be described with reference to the drawings.

FIG. 5 is a longitudinal sectional view of a blow-out guider according to a third embodiment of the present invention. Reference numeral 7b denotes a plurality of streamline wires that are attached so that fingers and the like do not enter between the blades 6 and have a sawtooth shape on the downstream side in the flow direction.

The operation of the blowout guider 5 configured as described above will be described below. The blowing flow 8 flowing to the blowing guider 5 is changed in wind direction along the blade 6. The plurality of wires attached to the downstream side of the blade 6 are streamlined wires having a sawtooth shape on the downstream side in the flow direction. Turbulence and the noise from the blow-out guider 5 can be reduced.

The wire attached between the blades of the blow-out guider described above is an example of a measure for preventing a finger or the like from entering, and the present invention includes a wire that has undergone the same treatment as described above. Shall be considered.

[0029]

As described above, according to the first aspect of the present invention, there is provided a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved longitudinal section, and each of the plurality of blades. Because multiple wires were installed between the blades, multiple wires were installed between the blades of the multiple blades, so the fan guard of the outdoor unit that affects the blowout flow from the fan can be removed. In addition, the pressure loss is reduced due to the reduction of the wind separation, so that it is possible to prevent the air volume from decreasing at the blowout portion of the outdoor unit and reduce the noise.

According to a second aspect of the present invention, there is provided a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved vertical cross section, and a plurality of wires interposed between the blades. Since the plurality of wire rods are configured to be streamlined, a plurality of streamlined wire rods are mounted between the blades of the plurality of blades, so that a blowout stream radially blown from a fan is blown out. When bending upward along the guider blade, the wind separation due to the influence of the plurality of wires attached between the blades is reduced, so that the pressure loss is reduced and the noise in the blowout guider can be reduced.

According to a third aspect of the present invention, there is provided a mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved longitudinal section, and a plurality of wires interposed between the blades. Since the plurality of wires have a streamlined configuration in which the downstream side in the flow direction is saw-shaped, a large turbulence is generated by generating a small and stable vortex from the saw-shaped portion. Therefore, the turbulence and noise of the wind from the blowout guider 5 can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a blowing guider according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a blowout guider and an outdoor unit to which the blowout guider is attached according to the first embodiment of the present invention.

FIG. 3 is a vertical sectional view of a fan unit and an outlet guider of the outdoor unit to which the outlet guider according to the first embodiment of the present invention is attached.

FIG. 4 is a vertical sectional view of a fan unit and an outlet guider of an outdoor unit to which an outlet guider according to a second embodiment of the present invention is attached.

FIG. 5 is a longitudinal sectional view of a fan unit and an outlet guider of an outdoor unit to which an outlet guider according to a third embodiment of the present invention is attached.

FIG. 6 is a perspective view of a streamlined wire with a sawtooth downstream side in a flow direction attached between blades of a blowing guider according to Embodiment 3 of the present invention.

FIG. 7 is a perspective view showing a conventional outlet guider and an outdoor unit to which the outlet guider is attached.

FIG. 8 is a longitudinal sectional view of a fan unit and an outlet guider of an outdoor unit to which a conventional outlet guider is attached.

[Explanation of symbols]

 Reference Signs List 5 blowing guider 5a mounting frame 6 blade 7 wire 7a, 7b streamline wire

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinji Kitamura 4-5-2, Takaidahondori, Higashiosaka-shi, Osaka Matsushita Refrigerator Co., Ltd. F-term (reference) 3L054 BA02 BB02 BB03 3L081 AA01 AB03 BA03 BB02

Claims (3)

[Claims] 1. A mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved vertical cross section, and a plurality of wires mounted between the blades of the plurality of blades. A blowout guider. 2. A mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved vertical section, and a plurality of wire rods mounted between the blades of the plurality of blades. An outlet guider characterized by a streamlined wire. 3. A mounting frame, a plurality of blades horizontally mounted on the mounting frame, each having a curved vertical cross section, and a plurality of wires interposed between the blades of the plurality of blades. A blowing guider, wherein the wire has a streamline shape in which a downstream side in a flow direction is saw-shaped.