JP2013002726A - Blower device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain circulation effect and cool air feeling for producing an energy-saving and comfortable space, by generating energy for blowing a large air amount to a blowing-off space by inductive effect in an energy-saving manner from a small air amount energy necessary for generating a get from a blowing-off nozzle, by reducing projection into a room as a blower is provided under the roof, and by reducing operating sound generated from the blower.SOLUTION: A main air duct 5 includes: an air duct connecting a first suction port 6 to a lower chamber 19 and a nozzle 10 via the blower 7 integrally provided for a ceiling side which is an upper surface of a blower device 1, via an upper chamber 9, and via a first connection air duct 8; and an air duct, as an induction air duct 11 composed by separating the nozzle 10 from a ceiling 2, connecting a second suction port 12 outside in the short direction of a straight tube type light source 4 via a second connection air duct 13 to a space between two nozzles 10.

Description

  The present invention relates to a blower device that is installed on a ceiling and is used to reduce the temperature of a sensible temperature by direct wind and to circulate indoor air.

  Conventionally, this type of blower is known as a blower with a lighting fixture that is thinned by covering a blade with a box (see, for example, Patent Document 1).

  Hereinafter, the blower will be described with reference to FIG.

  As shown in FIG. 8, the blower 101 has a top surface 102 of the main body facing the ceiling 103 and a bottom surface 104 of the main body facing the illuminator main body 105. The side surface 106 of the main body has a blowout port 107 that extends toward the top surface 102 of the main body and extends over approximately ¼ of the entire circumference, and the suction port that extends toward the bottom surface 104 of the main body and covers the remaining approximately 3/4. 108.

  A bell mouth 109 is provided at approximately the center between the top surface 102 and the bottom surface 104 of the main body so as to divide the blower 101 in the vertical direction, and on the bottom surface 104 side of the main body in the divided space. The drive motor 110 is fixed to the bottom surface 104 of the main body with a motor mounting screw 112 with the motor rotation shaft 111 facing the top surface 102 of the main body. An air guide 113 is provided between the bell mouth 109 and the top surface 102 of the main body, and a centrifugal impeller 114 is attached to the motor rotating shaft 111 with the suction side facing the bell mouth 109 side.

  With the above-described configuration, the centrifugal impeller 114 is rotationally driven by the drive motor 110, whereby the air in the center of the room is sucked into the suction port 108 located above the illuminator body. Further, it passes through the bell mouth 109 and is sucked and blown out by the centrifugal impeller 114, guided by the air guide 113 located on the outer peripheral portion thereof, and blown out from the blowout port 107.

Japanese Patent Laid-Open No. 2002-130186

  The air blower disclosed in Patent Document 1 has a problem in that the air flow that blows out mainly in the direction parallel to the ceiling is weak due to the structure of the device, so that the air flow in the floor direction is weak and the cool air cannot be obtained from the air blower. It was. Further, since the centrifugal impeller and the blowout opening are close to each other, the centrifugal impeller needs to be located on the indoor side as well as the blowout opening on the indoor side.

  Therefore, the present invention solves the above-described conventional problems, and an object of the present invention is to provide a blower that can obtain a cool wind feeling without reducing the overhang into the room and feeling a pressure.

  In order to achieve this object, the present invention is installed so as to penetrate the ceiling, and is provided with a blower on the ceiling side and an upper chamber into which air from the blower flows, and on the indoor side from the blower. Two rows of parallel nozzles that blow out the air as a jet, two rows of lower chambers that supply air to the nozzles corresponding to the nozzles, and the nozzles that are attracted by the air blown from the nozzles and blow out the air A blower device including an induction blowout port, a first suction port for sucking air to the blower, and a second suction port for sucking the attracted air, wherein the upper chamber and the lower A plurality of first connection air passages and second connection air passages are alternately provided between the chambers, and an indoor nozzle provided at the lower end of the lower chamber from the upper chamber via the first connection air passage. Main wind that blows out air as a jet from And a blower device comprising an induction air passage that blows out air induced by the jet of the nozzle from the induction air outlet through the second connection air passage from the second suction port This achieves the intended purpose.

  According to the present invention, due to the attraction effect, a large amount of air can be blown into the blowing space with energy saving, and since the blower is provided behind the ceiling, the overhang into the room is reduced and the operation sound generated from the blower can also be reduced. Therefore, a circulation effect and a cool breeze can be obtained, and an energy-saving and comfortable space can be generated.

The indoor side perspective view of the air blower of Embodiment 1 of this invention Ceiling side perspective view of the blower A sectional view of the blower B cross section of the blower The indoor side perspective view of the air blower of Embodiment 2 of this invention The indoor side perspective view of the air blower of Embodiment 3 of this invention Ceiling side perspective view of the blower Side sectional view showing an example of conventional technology

  The blower device according to claim 1 of the present invention is installed so as to penetrate the ceiling, and includes a blower on the ceiling side and an upper chamber through which air from the blower flows, and air from the blower on the indoor side. Between two rows of parallel nozzles that blow out as a jet, two rows of lower chambers that supply air to the nozzles corresponding to the nozzles, and the nozzles that are attracted by the air blown out from the nozzles and blow out the air A blower device including a first suction port for sucking air to the blower, and a second suction port for sucking the attracted air, wherein the upper chamber and the lower chamber A plurality of first connection air passages and second connection air passages are alternately provided between the upper chamber and the first connection air passage through the first connection air passage, and jetted from an indoor nozzle provided at the lower end of the lower chamber. As the main wind path that blows out the air as the second A blower, wherein the via the second connecting air passage from the suction port said attractant air outlet that is configured to attract air path for blowing air are attracted to the jet of the nozzle.

  As a result, a strong attraction effect is generated in the space sandwiched between the two rows of nozzles, and energy that can blow a large amount of air into the blowing space can be generated from the energy of the small amount of air necessary for generating the jet of the nozzle. Because it can be installed in the back of the ceiling, the overhang into the room can be reduced and the operating sound generated from the blower can be reduced, creating an energy-saving and comfortable space to obtain a circulation effect and a cool breeze. .

  In addition, the first suction port and the nozzle are in the same room, which has the effect of circulating the air in the room, and can serve as a circulator that generates an energy-saving and comfortable space.

  Further, two straight tube light sources are provided on both outer sides of the nozzles in the row and below the second connection air passage, and from a first suction port provided in a part in the longitudinal direction between the straight tube light sources. Air is sucked into the main air passage, and air is drawn into the induction air passage from the second air inlet provided outside the straight tube light source in the short direction. By making the configuration equivalent to a lighting fixture, it is possible to install a blower that generates an energy-saving and comfortable space in a state where the illumination function is maintained in a place where the illumination is conventionally installed.

  Moreover, it is set as the structure which provided two 1st inlets in the both ends of the longitudinal direction of a straight tube | pipe type light source, and was equipped with two air blowers corresponding to each 1st air inlet. By installing, a large air volume can be obtained indoors, and noise can be reduced by suppressing the output per blower.

  In addition, the first suction port is provided in the center of the longitudinal direction of the straight tube type light source, and since there is one blower, the structure can be made simple, and the nozzle is provided in the straight tube by providing the first suction port in the center. Even if the light source is dispersed in two in the longitudinal direction, air can be supplied to each nozzle in a well-balanced manner, so that unevenness in the airflow strength in the longitudinal direction can be suppressed.

  Moreover, it is installed so as to penetrate the ceiling, and is provided with a blower on the ceiling side and an upper chamber through which the air from the blower flows, and on the indoor side, two rows of parallel blown out air from the blower as a jet flow Nozzle, two rows of lower chambers for supplying air to the nozzle corresponding to the nozzle, an induction outlet for blowing out air attracted by the air blown from the nozzle, and a second for sucking in the attracted air And a first connection air passage between the upper chamber and the lower chamber, and a second connection between the upper chamber and the lower chamber. A plurality of air passages alternately, a main air passage for blowing out air as a jet from an indoor nozzle provided at the lower end of the lower chamber from the upper chamber via the first connection air passage; From the inlet through the second connecting air passage It has an induction air passage that blows out air that is attracted by the jet flow from the nozzle from the induction outlet, and it is equipped with a device that efficiently blows fresh outdoor air into the target room, creating an energy-saving and comfortable space. It can play the role of a ventilation fan.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 is a perspective view of the air blower according to Embodiment 1 of the present invention on the indoor side, FIG. 2 is a perspective view of the ceiling of the air blower, FIG. 3 is a cross-sectional view taken along the line AA ′, and FIG. BB 'sectional drawing of an apparatus is shown.

  First, the configuration of the first embodiment will be described.

  As shown in FIGS. 1, 2, 3, and 4, the blower device 1 according to the first embodiment of the present invention has a length of about 1300 mm and a width of about 300 mm so as to penetrate the ceiling 2 having an opening. It is installed and fixed by hooking or using a bolt with a flange portion 3 of about 10 mm.

  The blower device 1 includes a blower 7 and an upper chamber 9 into which air from the blower 7 flows in on the ceiling side which is an upper surface, and two rows of parallel blows out air from the blower 7 as a jet 14 on the indoor side. Nozzle 10, two rows of lower chambers 19 for supplying air corresponding to the nozzle 10, an induction outlet 20 between the nozzles 10 that are attracted by the air blown from the nozzle 10 and blown out the air, and a blower 7 and a second suction port 12 for sucking the attracted air, and a first connection wind is provided between the upper chamber 9 and the lower chamber 19. A plurality of paths 8 and second connection air paths 13 are alternately provided, and the jet stream 14 is generated from the nozzle 10 on the indoor side provided at the lower end portion of the lower chamber 19 from the upper chamber 9 via the first connection air path 8. Main air passage 5 for blowing out air, and second suction port 1 To the induction air passage 11 that blows out the air drawn by the jet flow 14 from the induction air outlet 20 via the second connection air passage 13, and on both outer sides of the two rows of nozzles 10 and the second air passage. Two straight tube light sources 4 are provided below the connection air passage 13, and air from the first suction port 6 provided in a part in the longitudinal direction between the straight tube light sources 4 flows to the main air passage 5. A configuration is adopted in which air is sucked and air from the second suction port 12 provided on the outer side in the short direction of the straight tube light source 4 is sucked into the induction air passage 11.

  With this configuration, when the fan motor inside the blower 7 starts to operate, an air flow is generated in the main air passage 5 due to the air blowing effect, and becomes a jet 14 from the nozzle 10 to blow out the air indoors. Since the jet 14 has a high speed, the static pressure is lowered instead of increasing the dynamic pressure. Therefore, the air between the two nozzles 10 is attracted to the jet by this negative pressure effect, and the nozzle 10 is moved away from the ceiling to move through the induced air passage 11. Ensuring ambient air by ensuring.

  Here, the air volume of the jet 14 of the nozzle 10 is small because of the small blowing area, but the air volume in the blowing space can be increased by attracting the surrounding air, for example, passing through the downstream surface of 1500 mm from the nozzle. The amount of air to be blown is about 20 times the amount of air flow of the jet 14, and an efficient energy-saving configuration can be achieved in order to obtain a circulation effect for stirring the entire room and a cool wind feeling.

  Further, when the blower is on the indoor side, the blower sound is directly heard and annoying, but by providing the blower 7 on the back of the ceiling, the overhang into the room can be reduced, and the noise felt by the ceiling is reduced.

  In addition, since the main air passage 5 and the induction air passage 11 are configured to suck and discharge air from the same room, the circulator has an effect of circulating the air in the room and generates an energy-saving and comfortable space. Can play a role.

  Moreover, since the straight tube type light source 4 is provided, and the main air passage 5 and the induction air passage 11 are configured without useless space around the light source, the lighting is integrated by making the structure equivalent to the lighting fixture by integrating with the lighting. It is possible to install a blower that generates an energy-saving and comfortable space in a state where the illumination function is maintained while being installed in the past.

  Moreover, since the first suction port 6 and the two blowers 7 are provided, a large air volume can be obtained indoors, and noise can be reduced by suppressing the output per blower.

(Embodiment 2)
In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 5 shows a room side perspective view of the air blower 21 according to Embodiment 2 of the present invention.

  The configuration of the second embodiment will be described.

  The blower device 21 according to the second embodiment has a configuration in which the first suction port 6 is provided at the center in the longitudinal direction of the straight tube type light source 4 and corresponds to the first suction port 6 on the ceiling side. A main air passage that includes one blower and an upper chamber, and blows out air from the indoor chamber 10 provided at the lower end of the lower chamber 19 as a jet 14 through the first connecting air passage 8 from the upper chamber. 5 is constituted.

  With this configuration, since the first suction port 6 is provided at the center in the longitudinal direction of the straight tube type light source, since there is one blower, the structure can be simplified, and the nozzle can be provided by providing the first suction port at the center. Even if it is dispersed in two in the longitudinal direction of the straight tube light source, the energy required to blow air to each nozzle is equal and air can be supplied in a balanced manner, so that unevenness in the airflow strength in the longitudinal direction can be suppressed.

(Embodiment 3)
In the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 6 shows a room side perspective view of the air blower according to Embodiment 3 of the present invention, and FIG. 7 shows a ceiling side perspective view of the air blower.

  The configuration of the third embodiment will be described.

  The blower device 25 according to the third embodiment includes a main body 26 including a blowout unit and illumination, an external blower 27 that is divided and provided on the ceiling side, and a duct 28 that connects them. The main body 26 separates the first suction port 6 and the blower 7 of the blower device 21 of the second embodiment as an external blower 27, has a duct 28 instead of the upper chamber 9, and the external blower 27 is the first blower. One air inlet 6 is provided outdoors, and outdoor air is sucked and sent to the main body 26, and the main air passage 5 that blows the jet 14 from the nozzle 10 through the lower chamber 19 is formed.

  With this configuration, fresh air is efficiently blown out into the target room from the blower that has sucked in outdoor air and diffused while attracting the surrounding air, so that it can serve as a ventilation fan that creates an energy-saving and comfortable space. I can do it.

  The air blower according to the present invention can blow a large amount of air into the blowing space with energy saving due to the attraction effect, and since the blower is provided in the back of the ceiling, the overhang into the room is reduced, and the operation sound generated from the blower is also Since it can be made small, it can provide a circular effect and a cool breeze, so it is useful as various blower devices that generate a comfortable space with energy saving.

1, 21, 25 Blower 2 Ceiling 3 Flange 4 Straight tube type light source 5 Main air path 6 First suction port 7 Blower 8 First connection air path 9 Upper chamber 10 Nozzle 11 Induction air path 12 Second suction Mouth 13 Second connecting air passage 14 Jet 19 Lower chamber 20 Invitation outlet 26 Main body 27 External blower 28 Duct 101 Blower 102 Top surface 103 Ceiling 104 Bottom 105 Illuminator body 106 Side surface 107 Outlet 108 Suction port 109 Bell mouth 110 Drive motor 111 Motor rotating shaft 112 Motor mounting screw 113 Air guide 114 Centrifugal impeller

Claims (6)

Installed to penetrate the ceiling,
On the ceiling side, equipped with a blower and an upper chamber into which air from this blower flows,
Attracted to the room side by two rows of parallel nozzles that blow out the air from the blower as a jet, two rows of lower chambers that supply air to the nozzles corresponding to the nozzles, and the air that blows from the nozzles A blower device including an induction blowout port between the nozzles for blowing air, a first suction port for sucking air to the blower, and a second suction port for sucking the air to be drawn ,
A plurality of first connection air passages and second connection air passages are alternately provided between the upper chamber and the lower chamber,
A main air passage that blows out air as a jet from an indoor nozzle provided at the lower end of the lower chamber via the first connection air passage from the upper chamber;
An air blower comprising an induction air passage that blows out air attracted by a jet flow of the nozzle from the induction air outlet through a second connection air passage from a second suction port. The blower according to claim 1, wherein the first suction port and the nozzle are in the same room. Two straight tube light sources are provided on both outer sides of the two rows of nozzles and below the second connection air passage, and the main suction port is provided from a first suction port provided in a part in the longitudinal direction between the straight tube light sources. The air blower according to claim 2, wherein air is sucked into the air path, and air is sucked into the induction air path from a second suction port provided outside the straight tube type light source in the short direction. The blower according to claim 3, wherein two first suction ports are provided at both longitudinal ends of the straight tube type light source, and two blowers corresponding to the first suction ports are provided. The air blower according to claim 3, wherein the first suction port is provided at the center in the longitudinal direction of the straight tube type light source. Installed to penetrate the ceiling,
On the ceiling side, provided with a blower, a duct into which air from the blower flows, and a first suction port for sucking outdoor air for the blower,
Attracted to the room side by two rows of parallel nozzles that blow out the air from the blower as a jet, two rows of lower chambers that supply air to the nozzles corresponding to the nozzles, and the air that blows from the nozzles An air outlet for blowing air and a second air inlet for sucking the air to be attracted,
A blower,
A plurality of first connection air passages and second connection air passages are alternately provided between the duct and the lower chamber,
A main air passage for blowing out air as a jet from a nozzle on the indoor side provided at the lower end of the lower chamber via the first connection air passage from the duct;
An air blower comprising an induction air passage that blows out air induced by a jet flow from the nozzle from the induction air outlet through a second connection air passage from a second suction port.

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