JPH09280638A - Device for blowing air out - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the air retain the energy with which air is blown out even at a distance from the outlet relating to a device for blowing air out in use in air conditioning, etc. SOLUTION: An inflow opening 1 is provided at one end in a spherical hollow body 102 and a nozzle 105, in the form of a cylindrical projection from the spherical hollow body 102 on the side opposite to the inflow opening. At the forward end of the nozzle 105 a ring-shaped forward end part 2 is provided, which has an opening larger in diameter than the cross section of the forward end of the nozzle 105 and a circumference with a larger diameter than the circumference of the nozzle 105. Air flows into the spherical hollow body 102 through the inflow opening 1, is led into the nozzle 105 and blown out into a room. Immediately after the discharge, the ring-shaped forward end part 2 suppresses diffusion of the blown air so that by reducing the inducement by the room air and lessening the mixing of the blown air with the room air, a device for blowing air out enables the blown air to retain energy even at a distance from the outlet.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blowing device used for air conditioning and the like.

[0002]

2. Description of the Related Art Conventionally, in this type of blowing device, a large opening communicating with an air-conditioning duct is provided at one end of a spherical shell, and a cylindrical projecting nozzle is provided in the spherical shell opposite to the opening. It was provided with a damper formed of a part of a spherical surface at the boundary between the spherical shell and the nozzle portion.

The blowing device will be described below with reference to FIGS. 15 and 16. As shown in the figure, the air blown from the air conditioning duct 101 into the spherical shell 102, which is a sphere for rotatably supporting, is blown out by the blowing device 103.
While expanding in the spherical shell 102, the damper 104
The air volume is adjusted by the air flow and is guided to the nozzle 105, and the air that has been rapidly reduced is blown from the nozzle 105 into the air-conditioned space.
The blown air is diffused by the low pressure portion generated in the tip curl portion 106 of the nozzle 105 to form a vortex.

[0004]

In such a conventional blowing device, since the air passage is formed of a spherical shell in order to make the blowing device 103 rotatable, the inside of the blowing device 10
In 3, the air passage width is increased and decreased to expand and contract the air flow, so that the air flow is disturbed in the spherical shell 102. Further, the air blown out by reducing the air passage width and increasing the wind speed by the nozzle 105 is attracted to the tip curl portion 106 and diffused due to the low pressure generated between the tip curl portion 106 and the surrounding air. Attract air, and blown air mixes with air in air-conditioned space. Due to this diffusion and mixing, the temperature of the conditioned air rises during cooling, the temperature decreases during heating, the blown air does not reach far, and the air conditioning energy of the blown air drops. It was

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a blowing device capable of retaining the energy of the blowing air even if the distance from the blowing port is long.

Further, in the conventional blowing device, there is a problem that the airflow is disturbed due to the increase and decrease of the air passage width inside the blowing device, resulting in a loss due to the disturbance.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a blowing device having a small loss inside the blowing device.

Further, the conventional blowing device has a problem that the reaching distance of the blowing air is short.

The present invention is intended to solve such a conventional problem, and an object thereof is to provide a blowing device having a long reach.

Further, in the conventional blow-out device, the damper is installed at the boundary between the spherical shell and the blow-out nozzle projecting in a cylindrical shape, and when the air passes through the damper, the air flow is biased.
There is a demand for a blowing device in which the air flow inside the blow-out nozzle is disturbed but the damper does not disturb the air flow inside the blow-out nozzle.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a blowing device which does not cause turbulence of an air flow due to a damper inside a nozzle.

Further, in the conventional blowing device, it is not possible to adjust the spread of the blowing air in order to change the blowing range, and there is a demand for a blowing device capable of adjusting the diffusion angle.

SUMMARY OF THE INVENTION The present invention is intended to solve such a conventional problem, and an object of the present invention is to provide a blowing device capable of adjusting a diffusion angle of blown air to change a blowing range.

Further, in the conventional blowing apparatus, the blowing apparatus is often used in a space with a high ceiling, and it is necessary to provide a task lighting separately because the entire lighting becomes dark, and a blowing apparatus having a lighting effect is required. ing.

The present invention has been made to solve such a conventional problem, and an object thereof is to provide a blowing device having an illumination effect.

[0016]

One means of a blowing device of the present invention for solving the above-mentioned problems is to provide an inflow opening at one end of a sphere shell supported rotatably, A blow-out nozzle portion projecting in a cylindrical shape is provided in the spherical shell portion on the opposite side to, and means for reducing the vortex flow formed immediately after the blow-out is provided.

Further, according to the present invention, by the above-mentioned means, it is possible to obtain the blowing device capable of holding the energy of the blowing air even if the distance from the blowing port is long.

Further, one means of the blowing device of the present invention for solving the above-mentioned problem is to provide an inflow opening at one end of a rotatably supported spherical shell, and to provide an inlet opening on the opposite side of the spherical shell. A blow-out nozzle portion projecting in a cylindrical shape is provided in the spherical shell portion, and means for reducing turbulence of the air flow inside the blow-out device is provided.

Further, according to the present invention, by the above-mentioned means, a blowing device having a small loss inside the blowing device can be obtained.

Further, one means of the blowing device of the present invention for solving the above-mentioned problems is to provide an inflow opening portion at one end of a rotatably supported spherical shell body, and to provide an inlet opening on the opposite side of the spherical shell body. A blowing nozzle portion protruding in a cylindrical shape is provided in the spherical shell portion, and air rectifying means is provided at a tip end portion of the blowing nozzle.

According to the present invention, by the above means, a blowing device having a long reach can be obtained.

Further, one means of the blowing device of the present invention for solving the above-mentioned problems is to provide a shutter in which radial openings are arranged at equal intervals inside the blowing device.

Further, according to the present invention, by the above means, it is possible to obtain the blowing device which does not cause the turbulence of the air flow due to the damper inside the nozzle.

Further, one means of the blowing device of the present invention for solving the above-mentioned problem is that the blowing device is provided with a swirl blade whose blade angle can be adjusted.

Further, according to the present invention, the above-mentioned means can provide the blowing device capable of adjusting the diffusion angle of the blowing air.

Further, one means of the blowing device of the present invention for solving the above-mentioned problems is provided with a lighting device.

Further, according to the present invention, by the above means, a blowing device having an illumination effect can be obtained.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is provided with an inflow opening at one end of a rotatably supported spherical shell, and a spherical shell portion opposite to the spherical shell. It is equipped with a blow-out nozzle that protrudes in a cylindrical shape, and means for reducing the vortex that is formed immediately after the blow-out.Air flows into the spherical shell through the inflow opening, and the inflowing air blows out. It is introduced into the nozzle and blows out indoors. Immediately after the air is blown out, the vortex is reduced by the means for reducing the vortex that is formed immediately after the air is blown out, diffusion is suppressed, the trigger of indoor air is reduced, and the effect of reducing the mixing of blown air and indoor air is achieved. Have.

According to a second aspect of the present invention, an inflow opening is provided at one end of a sphere shell which is rotatably supported, and a bulge projecting in a cylindrical shape at the sphere shell portion on the opposite side of the sphere shell. The nozzle part is provided, and means for reducing the turbulence of the air flow inside the blowing device is provided.After the air flows into the spherical shell, the expansion of the air flow in the spherical shell and the nozzle from the spherical shell. There is an effect that the loss in the blowout device is small without causing a rapid reduction when flowing into the blowout device.

According to a third aspect of the present invention, an inflow opening is provided at one end of a sphere shell which is rotatably supported, and a bulge projecting in a cylindrical shape at a sphere shell portion on the opposite side of the sphere shell. A nozzle portion is provided, and air rectifying means is provided at the tip of the blowout nozzle, and the blowout airflow is rectified at the tip and has the effect of improving straightness.

According to a fourth aspect of the present invention, a shutter in which radial openings are arranged at equal intervals is provided inside the blowing device, and the air evenly passes through the radial openings of the shutter to generate an air flow. It has the effect that no bias occurs.

According to a fifth aspect of the present invention, a swirl vane capable of adjusting the vane angle is provided inside the blowing device,
The air is deflected by the swirl vanes and has the effect of changing the spread of blown air by adjusting the angle of the swirl vanes.

The invention according to claim 6 is provided with an illuminating device, and has an effect of illuminating and brightening the hand with the illuminating device.

Embodiments of the present invention will be described below with reference to the accompanying drawings. (Embodiment 1) FIGS. 1, 2, 3 and 4 show a blowing device according to Embodiment 1, in which a spherical shell 102 is shown.
Is provided with an inflow opening portion 1 at one end thereof, and a nozzle 105 protruding in a cylindrical shape is provided in the spherical shell body 102 on the opposite side of the spherical shell body 102. The opening diameter at the tip of the nozzle 105 is larger than the tip cross sectional diameter of the nozzle 105. And a ring-shaped tip portion 2 whose outer diameter is larger than that of the nozzle 105.

In the above structure, air flows into the spherical shell 102 from the inflow opening 1, and the inflowing air is the nozzle 105.
It is introduced into and blows out indoors. The air immediately after being blown out is prevented from diffusing by the ring-shaped tip portion 2, so that the cause of the indoor air is reduced and the mixture of the blown air and the indoor air is reduced.

(Second Embodiment) FIGS. 5, 6 and 7 show a blowing device according to a second embodiment, in which the inflow opening 1 and the nozzle 105 are connected by a cylindrical communication portion 3.

In the above structure, after the air has flown into the spherical shell 102, the expansion of the air flow in the spherical shell 102 and the rapid reduction when flowing from the spherical shell into the nozzle 105 do not occur,
This means that the loss in the blowing device 103 is small.

(Third Embodiment) FIGS. 8 and 9 show a blowing device according to a third embodiment. In FIG. 8, the blowing tip 4 of the nozzle 105 has a uniform cylindrical inner diameter.

In the above-mentioned structure, the blowing airflow is the nozzle 1
The cylindrical portion of the blow-out tip 4 of No. 05 is rectified to improve the straightness.

(Embodiment 4) FIGS. 10 and 11 show a blowing device according to a fourth embodiment. In FIG. 10, a radial opening 5 is formed in the inflow opening 1 of the spherical shell 102 inside the blowing device 103. A shutter 6 provided at intervals is provided.

In the above structure, the air evenly passes through the radial openings 5 of the shutter 6 and acts so that the air flow is not biased.

(Fifth Embodiment) FIGS. 12 and 13 show a blowing device according to a fifth embodiment. In FIG. 12, a swirl vane 7 and a swirl vane 7 are supported at the tip of a nozzle 105 inside the blowing device 103. A support shaft 9 is arranged at the inner center of the tip of the shaft 8 and the nozzle 105, and the swirl vane 7 is supported by the nozzle 105 and the support shaft 9 by the shaft 8. The vane angle of the swirl vane 7 can be adjusted around the shaft 8. Has become.

In the above structure, the blown air is deflected by the swirl vanes 7 and blown out into the room. By adjusting the angle of the swirl vane 7, the function of changing the spread of the blown air is performed.

(Sixth Embodiment) FIG. 14 shows a blowing device according to a sixth embodiment. In FIG. 14, the lighting fixture 10 is provided outside the blowing device 103.

In the above structure, the lighting device 10 functions to illuminate and brighten the hand.

[0046]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

As shown in the figure, the blowing device 103 is provided with an inflow opening 1 at one end of a spherical shell 102 and a nozzle 105 projecting in a cylindrical shape on the spherical shell 102 opposite to the spherical shell 102. The nozzle 1 has an opening diameter at the tip of the nozzle 105.
The cross-sectional diameter of the nozzle 105 is larger than that of the nozzle 105.
A ring-shaped tip 2 having a diameter larger than the outer peripheral diameter of

With the above structure, air flows into the spherical shell 102 through the inflow opening 1, and the inflowing air is introduced into the nozzle 105 and blows out into the room. Immediately after being blown out, the blown air is suppressed from being diffused by the ring-shaped tip portion 2, and the cause of the indoor air is reduced, so that the mixture of the blown air and the indoor air is reduced. By reducing the mixture of the blown air and the air in the air-conditioned space, it is possible to suppress a rise in the temperature of the conditioned air during cooling and a decrease in the temperature during heating. Further, when the mixture of the blown air and the room air becomes small, it is possible to suppress a decrease in the airflow velocity of the blown air. The air velocity does not decrease, and blown air can reach far. The blown air reaches the room while maintaining the temperature and speed at the time of blowing and maintains the air conditioning energy of the blown air even if the distance from the blowout port is long. As shown in FIG. 3, according to the experiment, the retention energy of the blowing device of this embodiment measured at the same distance from the blowing device is larger than that of the conventional example. In the figure, the retained energy is the equation shown in FIG. Was calculated using.

As described above, according to the blowing device of the first embodiment of the present invention, it is possible to obtain the blowing device capable of retaining the energy of the blowing air even if the distance from the blowing port is long.

Next, a second embodiment of the present invention will be described with reference to FIG.
This will be described with reference to 6 and 7.

As shown in the figure, the communicating portion 3 is provided with the inflow opening portion 1.
And the nozzle 105 communicate with each other in a tubular shape.

With the above structure, the air flows into the spherical shell 102, and then is blown out into the room without expanding the air flow in the spherical shell 102 and abrupt reduction when flowing into the nozzle 105 from the spherical shell. . Since the expansion and contraction of the air flow in the blowing device do not occur, the loss in the blowing device becomes small. As shown in FIG. 6, according to the experiment, the ratio of the air temperature measured at the points having the same distance from the outlet to the initial temperature, which is the outlet temperature immediately after the outlet, is higher than that of the outlet of the conventional example. Is smaller, which means that the temperature loss is smaller. Further, as shown in FIG. 7, the ratio of the central wind speed at the same measurement point to the wind speed immediately after the blowing is larger in the blowing device 103 of the present embodiment than in the blowing device of the conventional example, and the speed loss is small. Indicates. These are because the loss in the blowing device 103 is reduced.

As described above, according to the blowing device of the second embodiment of the present invention, it is possible to obtain the blowing device with a small loss inside the blowing device.

Next, a third embodiment of the present invention will be described with reference to FIGS. As shown in the figure, the blowing tip 4 of the nozzle 105 has a cylindrical shape.

With the above-mentioned structure, the blown airflow is generated by the nozzle 10.
5 is straightened by the cylindrical portion of the blow-out tip 4 of the nozzle 5 to enhance straightness, and is blown into the room from the tip of the nozzle 105. Since the blown air has high straightness, the reaching distance can be extended. As shown in FIG. 9, according to the experiment, the ratio of the central wind speed measured at the points having the same distance from the outlet to the wind speed immediately after the outlet is larger in the outlet 103 of this embodiment than in the outlet of the conventional example. . This indicates that the reaching distance is extended because the straightness of the blown airflow is improved.

As described above, according to the blowing device of the third embodiment of the present invention, a blowing device having a long reach can be obtained.

Next, the fourth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIGS.

As shown in the figure, a shutter 6 is provided in which the radial openings 5 are evenly arranged in the inflow opening 1 of the spherical shell 102 inside the blowing device 103.

With the above structure, the radial openings 5 of the shutter 6 are evenly arranged, and the air evenly passes through the openings 5. Since the air passes through the openings 5 of the shutter 6 evenly, the air that has passed through the shutter 6 can be blown out into the room from the nozzle 105 without the occurrence of air flow bias.

As described above, according to the blowing device of the fourth embodiment of the present invention, it is possible to provide the blowing device in which the turbulence of the air flow due to the damper does not occur inside the blowing device.

Although the shutter is provided at the inflow opening in this embodiment, it may be provided inside the blowing device.

Next, FIG. 12 shows the fifth embodiment of the present invention.
This will be described with reference to FIGS.

As shown in the drawing, the swirl vane 7 and the shaft 8 supporting the swirl vane 7 at the tip of the nozzle 105 inside the blowing device 103, and the support shaft 9 at the inner center of the tip of the nozzle 105 are arranged. The blade 7 is supported by the nozzle 105 and the support shaft 9 by the shaft 8, and the blade angle of the swirling blade 7 can be adjusted around the shaft 8.

With the above structure, the air introduced into the blowing device 103 is deflected by the swirl vanes 7 when it is blown into the room from the nozzle 105. When the swirl vane angle α of the swirl vanes 7 is large, the deflection angle of the blown air becomes large and the diffusion angle of the blown air becomes large. On the other hand, when the swirl vane angle α is small, the deflection angle of the blown air becomes small and the diffusion angle becomes small.

As described above, according to the blowing device of the fifth embodiment of the present invention, it is possible to provide the blowing device capable of adjusting the diffusion angle of the blowing air.

Next, a sixth embodiment of the present invention will be described with reference to FIG.
Will be described with reference to. As shown in the figure, the lighting fixture 1
0 is provided outside the blowing device 103.

With the above-described structure, the blowing device 103 is normally oriented in the direction in which the worker is present, and the direction in which the air is blown out is the same as the direction of illumination, so the light of the luminaire 10 illuminates the direction in which the worker is present. Therefore, the lighting device 10 illuminates and brightens the hand.

As described above, according to the blowing device of the sixth embodiment of the present invention, it is possible to provide a blowing device having an illumination effect.

[0069]

As described above, according to the present invention, the advantageous effect that the energy of the blown air can be retained even if the distance from the blowout port is long is obtained.

Further, the effect that the loss inside the blowing device is small can be obtained. Moreover, the effect that the reaching distance is long is obtained.

Further, it is possible to obtain an effect that the turbulence of the air flow due to the damper does not occur inside the blowing device.

Further, the effect of adjusting the diffusion angle of the blown air can be obtained. Moreover, a lighting effect can be obtained.

[Brief description of drawings]

FIG. 1 is a sectional view showing a blowing device according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a tip portion of the blowing device.

FIG. 3 is a diagram showing the relationship between the same reaching distance and the retention energy of blown air.

[Fig. 4] Same retention energy calculation formula

FIG. 5 is a sectional view of a blowing device according to a second embodiment of the present invention.

FIG. 6 is a diagram showing the relationship between the same reaching distance and the blown air temperature with respect to the initial temperature.

FIG. 7 is a diagram showing the relationship between the same reaching distance and the blowing air velocity with respect to the initial velocity.

FIG. 8 is a sectional view of a blowing device according to a third embodiment of the present invention.

FIG. 9 is a diagram showing the relationship between the same reaching distance and the blowing air velocity with respect to the initial velocity.

FIG. 10 is a top view of the shutter according to the fourth embodiment of the present invention.

FIG. 11 is a sectional view of the blowing device.

FIG. 12 is a sectional view of a blowing device according to a fifth embodiment of the present invention.

FIG. 13 is a structural diagram of the swirl vane.

FIG. 14 is a sectional view of a blowing device according to a sixth embodiment of the present invention.

FIG. 15 is a cross-sectional view showing a conventional blowing device.

FIG. 16 is a sectional view of a tip portion of the blowing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inflow opening 2 Tip part 3 Communication part 4 Blowout tip 5 Opening part 6 Shutter 7 Swirling blade 8 Shaft 9 Support shaft 10 Lighting fixture 102 Ball shell 103 Blowing device 105 Nozzle

Claims (6)

[Claims] 1. An inflow opening is provided at one end of a sphere shell that is rotatably supported, and a blow-out nozzle section that projects in a cylindrical shape is provided at the sphere shell section on the opposite side of the sphere shell. A blowing device comprising means for reducing a vortex formed immediately after blowing. 2. An inflow opening portion is provided at one end of a rotatably supported spherical shell body, and a blow-out nozzle portion projecting in a cylindrical shape is provided at a spherical shell body portion opposite to the spherical shell body, A blowing device provided with means for reducing turbulence of the air flow inside the blowing device. 3. An inflow opening is provided at one end of a spherical shell that is rotatably supported, and a blow-out nozzle section that projects in a cylindrical shape is provided at the opposite side of the spherical shell. A blowing device in which air rectifying means is provided at the tip of the blowing nozzle. 4. The blowing device according to claim 1, 2 or 3, wherein shutters having radial openings arranged at equal intervals are provided inside the blowing device. 5. The blowing device according to claim 1, 2 or 4, wherein a swirl vane capable of adjusting a vane angle is provided inside the blowing device. 6. The lighting device according to claim 1, 2, 3, 4
Or the blowing device described in 5.