JPH0886505A - Air conditioning outlet air stream deflecting device - Google Patents

Abstract

PURPOSE: To obtain comfortable fluctuation of airflow by a method wherein the setting of an air volume in accordance with the ventilating direction from an air outlet port into an indoor space is permitted and the outlet airflow is provided with a proper accent. CONSTITUTION: An air conditioning outlet air stream deflecting device is constituted of an air outlet casing 1, in which a plurality of air outlet ports 13, having different airflow directions, are opened and the inside of which is defined into a plurality of air outlet spaces 1a corresponding to respective air outlet ports 13, a cylindrical body 2 connected to the air outlet casing 1 and defined into a plurality of air ducts 2a communicated with respective air outlet spaces 1a, and air volume control valves 3, controlling the flow rate of air in respective ventilating air ducts 2a. Further, the cylindrical body is preferably rotated by a cylindrical body driving unit 4 about the axial center of the same.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blowout airflow deflecting device for changing the blowout airflow of conditioned air blown into a room from an air conditioner.

[0002]

2. Description of the Related Art In the case of a duct-connection type air conditioner, the air conditioning of the room is performed by blowing air from the air duct to the indoor space through the air outlet at the tip of the air duct. The conditioned air is blown from the air outlet provided in the main body of the air conditioner. As a mechanism for changing the blown airflow, there is a mechanism disclosed in, for example, JP-A-6-137662 or JP-A-6-137663. Further, depending on the blowout temperature, for example, in the case of cooling, it is turned upward. In the case of changing the wind direction downwards,
There is one that changes the wind direction periodically by mechanically oscillating the direction of the flap of the air outlet.

[0003]

However, according to the above-mentioned conventional air-conditioning outlet airflow diversion device, the air-conditioning airflow from the outlet is blown out at a constant air volume, so that the position and direction of the outlet into the room may change. Causes a portion where the amount of blown air is stronger than necessary and a portion where the amount of blown wind is not so strong, and moreover, with a constant amount of blown air, it is not possible to feel a pleasant fluctuation like the breath of the wind in the natural wind.

The present invention has been made under the circumstances described above, and its main technical problem is to set an appropriate air volume according to the direction of air blown from the air conditioning outlet to the indoor space. At the same time, it is possible to obtain a comfortable fluctuation of the wind by giving appropriate strength to the blown air flow, thereby improving the comfort of the air-conditioned room.

[0005]

The above-mentioned technical problems are as follows.
The present invention can effectively solve the problem. That is, the air-conditioning blowout airflow deflecting device according to the present invention is a blowout casing in which blowout openings are respectively formed on a plurality of side walls different in direction, and the blowout casing extends radially from the center of the blowout casing. A partition wall defining a plurality of outlet spaces corresponding to the outlets, and a rectifying plate that is connected to face the central portion of the outlet casing in the outlet passage from the air conditioner and extends radially from the axis. Includes a cylindrical body defined by a plurality of air passages communicating with each of the blowout spaces, and an air volume control valve for controlling an air flow rate in each of the air passages. Further, in the present invention, more preferably, the cylindrical body is swung by the cylindrical body drive section about the axis thereof.

[0006]

In the above structure, the blowout casing is installed, for example, on the lower surface of the ceiling. The conditioned air from the air conditioner is sent to the central part in the blowout casing through the cylindrical body, passes through each blowout space in the blowout casing defined by the radial partition walls, faces each chamber, and opens on the side wall of the casing. It is blown out into the indoor space from the blowout port. Since the air flow rate in the plurality of air passages defined by the radial straightening plates in the cylindrical body is changed by the air volume control valve, from each of these air passages through each air outlet space in the air outlet casing from each air outlet. The strength of the conditioned air blown into the indoor space can be continuously changed.

Further, by arbitrarily setting the opening of the air volume control valve in each air duct in the cylinder, the reaching distance of the air flow corresponding to the blowing direction can be adjusted, or the cylinder can be rotated to blow the air. The direction and strength can be changed continuously.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing an embodiment of an air conditioning blowout airflow deflecting device according to the present invention, and FIG. 2 is a sectional view showing the same mounting state.

The blowout airflow diversion device according to this embodiment includes a blowout casing 1 attached to the lower surface of an opening of a ceiling A of a building. The blowout casing 1 is a flat box body having a substantially square planar shape. 11 and an upper lid 12 which is sealed at its upper open end. On the four side walls 11a of the box body 11, there are provided horizontally long air outlets 13 each having a wind direction control flap 14 movable via a horizontal shaft (not shown). Wind direction control flap 14
For example, a device that controls the blow-down depression angle according to the air conditioning temperature is applied. Further, in the blowout casing 1 composed of the box body 11 and the upper lid 12, partition walls 15 extending radially from the center of the blowout casing 1 toward the four corners of the box body 11, that is, diagonally, are provided. Is divided into four outlet spaces 1a having an isosceles right triangle shape facing each of the outlets 13.

A circular opening 1b is formed in the center of the upper lid 12 of the blow-out casing 1, and the center of the opening 1b faces the central intersection 15a of the partition wall 15. That is, the opening 1b communicates with the end of each outlet space 1a around the central intersection 15a of the partition wall 15 in a substantially fan-shaped opening shape. On the upper surface of the upper lid 12, a cylindrical bearing portion 16 standing upright from the opening 1b is provided in a protruding manner.

The blowout casing 1 is connected to a cylindrical cylindrical body 2 which faces a central opening 1b of an upper lid 12 and serves as a blowout path from an air conditioner (not shown).
That is, the lower end portion is rotatably fitted into the inner circumference of the cylindrical bearing portion 16 on the upper surface of the upper lid 12, and the opening portion 1b is formed.
Is closely opposed to. A straightening vane 21 extending radially (cross shape) from the axial center toward the inner peripheral surface is formed in the cylindrical body 2, and the straightening vanes 21 form four fan-shaped cross sections in the inner circumferential space of the cylindrical body 2. The air passage 2a is defined.

Each air passage 2a of the cylindrical body 2 is provided with an air volume control valve 3 for controlling the flow rate of the air passing through this air passage 2a, and each air volume control valve 3 is provided in each air passage 2a.
The oscillating blade 31 disposed in the inside thereof and having a substantially fan-shaped cross section, and one straight end of the oscillating blade 31 are supported, and the oscillating blade 31 is radially extended in the cylindrical body 2 along the straightening vane 21. It comprises a horizontal shaft 32 that is erected on the outer peripheral surface of the cylindrical body 2, and a valve drive portion 33 that is arranged on the outer peripheral surface of the cylindrical body 2 and is connected to the horizontal shaft 32. That is, in the air volume control valve 3, the fan-shaped swinging blades 31 cantilevered in the air passage 2a are
As shown in FIG. 3, the valve drive unit 33 enables angular displacement within a range of about 90 ° between the substantially horizontal fully closed position P ₁ and the substantially vertical fully open position P ₂ around the horizontal axis 32. ,
As a result, the air flow rate in each air passage 2a is changed.

On the outside of the cylindrical body 2, there is provided a cylindrical body drive section 4 for rotating the cylindrical body 2 about its axis. The cylindrical body drive unit 4 includes a worm gear 41 integrally provided on the outer peripheral surface of the cylindrical body 2, a worm shaft 42 that meshes with the worm gear 41, and a blowout casing 1
And a motor 43 which is fixed to the side and rotates the worm shaft 42. That is, the cylindrical body drive unit 4 is
The rotation of No. 3 is decelerated via the worm shaft 42 and the worm gear 41 to rotate the cylindrical body 2 at a moderate speed.

The upper end of the cylindrical body 2 is rotatably slidably connected to the end of a blower tube 5 extending from an air conditioner (not shown).

Therefore, according to the air-conditioning blow-off airflow deflecting device of this embodiment, when the conditioned air from the air conditioner (not shown) reaches the cylindrical body 2 through the blower tube 5, the rectifying plate 21 inside the conditioned air causes the conditioned air to flow. The air flow path 2a is divided into the openings 1
The air is blown from b to the indoor space through the blowout spaces 1a defined by the partition walls 15 in the blowout casing 1, from the four outlets 13 facing the blowout spaces 1a. Here, the flow rate of the conditioned air passing through each air passage 2a of the cylindrical body 2 is determined by the swinging blades 3 of the air volume control valve 3 in this air passage 2a.
1 is different depending on the angle θ, the angle θ of each oscillating blade 31 is appropriately set to set an appropriate blowing amount (air flow reaching distance) in accordance with the blowing direction of each blowing port 13 of the blowing casing 1. be able to.

As described above, the swing blades 3 of each air volume control valve 3
When the motor 43 of the cylindrical body driving unit 4 is driven after the angle θ of 1 is appropriately set, the cylindrical body 2 slowly turns horizontally, and accordingly, the respective blowing spaces 1a in the blowing casing 1 are rotated. Since the communication state (opening area) of each air passage 2a in the cylindrical body 2 continuously changes with respect to, the blowing output and the blowing direction from each blowing port 13 in the blowing casing 1 sequentially change. Therefore, it is possible to obtain a comfortable wind fluctuation feeling close to the natural wind by such strength of the blown air flow, and it is possible to prevent uncomfortable feeling such as excessive coldness caused by constantly hitting a constant wind.

Such strength of the blown airflow changes the angle θ of the oscillating blades 31 of each air volume control valve 3 in an appropriate cycle and shifts the phase of the cycle for each air volume control valve 3. It can also be created by

In the present invention, the blowout casing 1
The number (direction) of the blowout spaces 1a and the blowout ports 13 in the above, the air passage 2a in the cylindrical body 2, and the like are not limited to the illustrated four-divided shape. Further, in the above-described embodiment, the swinging blade 31 of the air volume control valve 3 has a cantilevered support structure. However, as shown in FIG. 4, for example, the horizontal shaft 32 is divided into two equally divided fan-shaped cross sections of the air passage 2a. Thus, the structure in which the swinging blade 31 is angularly displaced in a seesaw shape by being installed in the radial direction of the cylindrical body 2 is effective in increasing the axial strength against the wind pressure in the air passage 2a.

[0019]

According to the air conditioning blowout airflow deflecting device of the present invention, the following effects are realized. (1) The reaching distance of the airflow of the conditioned air blown into the indoor space from the outlets in the blowing casing that are different in direction from each other can be set appropriately according to the blowing direction. Depending on the position and direction of the air outlet, it is possible to prevent the generation of a portion where the amount of blown air is stronger than necessary and a portion where it is not. (2) The strength of the blown airflow changes depending on the operation of the air volume control valve or the rotation of the cylinder, so that comfortable wind fluctuations are obtained, like the breath of natural wind, and the comfort of the indoor space is improved. be able to.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of an air conditioning blowout airflow deflecting device according to the present invention.

FIG. 2 is a cross-sectional view showing a mounted state of the above embodiment.

FIG. 3 is an explanatory view showing the operation of the air volume control valve in the above embodiment.

FIG. 4 is an explanatory diagram showing a modification of the air volume control valve in the above embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 blowout casing 1a blowout space 11a side wall 13 blowout port 15 partition wall 2 cylindrical body 2a air passage 21 flow straightening plate 3 air flow control valve 4 cylindrical body drive unit

Claims (2)

[Claims] 1. A blow-out casing having blow-out openings respectively formed on a plurality of side walls different in direction, and a plurality of blow-out casings radially extending from the inner center of the blow-out casing and corresponding to the blow-out openings in the blow-out casing. The inner periphery communicates with each of the blowout spaces by a partition wall that is defined in the space and a baffle plate that is connected to face the central portion of the blowout casing in the blowout path from the air conditioner and that extends radially from the axis. An air conditioning blow-off airflow diversion device comprising: a cylindrical body defined by a plurality of air passages; and an air volume control valve for controlling an air flow rate in each of the air passages. 2. The air-conditioning blow-off airflow deflecting device according to claim 1, further comprising a cylindrical body driving unit that rotates the cylindrical body around an axis thereof.