JP4600176B2 - Branch chamber and ventilator - Google Patents

Description

  The present invention relates to a branch chamber for connecting a plurality of rooms requiring ventilation and a ventilator through a duct.

  Conventionally, a branch chamber and a ventilator for blowing this kind of outdoor air to a plurality of rooms through a duct are described in Patent Document 1.

  Hereinafter, a branch chamber for blowing the outdoor air to a plurality of rooms through a duct will be described with reference to FIG.

As shown in the figure, the branch chamber 101 is provided with a connection port 102 for connecting a main duct (not shown) at one end and a plurality of branch ports 103 for connecting a branch duct (not shown) at the other end.
JP 11-182919 A

  In such a conventional branch chamber, when the air flowing in from the connection port is distributed to each branch port, the air volume of the branch port arranged in front is larger than the air volume of the branch ports arranged at both ends, and the air volume There was a problem of causing unbalance.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a branch chamber that can eliminate the air volume unbalance of each branch port and allow the air volume to flow uniformly to each branch port.

In order to achieve the above object, a branch chamber and a ventilator according to the present invention are a branch chamber for connecting a ventilator and a plurality of rooms requiring ventilation through a plurality of ducts, and have a hemispherical shape. A connection port for connecting a main duct connected to a ventilator is provided at a substantially central portion of the planar end surface of the branch chamber body, and a plurality of branch ports for connecting the ducts connected to each room are provided on the spherical surface of the branch chamber body. The outside air passes through the ventilation device, the main duct, and the connection port, is distributed to the plurality of ducts from the branch chamber, and is supplied to each room, and the branch port extends along the inner surface of the branch chamber main body. A thin elastic material that slides while deforming along the shape of the branch chamber Formed is characterized in that.

By this means, it is possible to eliminate the air volume unbalance at each branch port, to allow the air volume to flow uniformly to each branch port, and to provide a plurality of branch ports in multiple directions and to generate ducts when connecting ducts to each room. Reduces the increase in pressure loss due to bending, reduces air volume, reduces air volume, reduces noise, reduces the distance between adjacent branch ports, slides while deforming along the branch chamber shape, Corresponding to the shape of the branch chamber, a branch chamber can be obtained in which unused branch ports among a plurality of branch ports can be easily closed regardless of the number .

  According to another means, each of the plurality of branch ports is provided at a position equidistant from the connection port.

  By this means, it is possible to eliminate the air volume unbalance at each branch port, to allow the air volume to flow uniformly to each branch port, and to provide a plurality of branch ports in multiple directions and to generate ducts when connecting ducts to each room. A branch chamber can be obtained in which an increase in pressure loss due to bending of the air flow can be reduced, and the air flow can be reduced, the air flow can be unbalanced, and the noise can be reduced.

  Another means is that the spherical top of the branch chamber body is formed in a planar shape.

  By this means, a branch chamber that can reduce the height of the branch chamber and improve the workability can be obtained.

  Another means is that the boundary portion between the top portion formed in a planar shape and the spherical side surface has an R shape.

  By this means, it is possible to obtain a branch chamber that can eliminate the occurrence of air stagnation and turbulent flow and prevent increase in pressure loss and noise.

  Another means is to provide an elbow at the connection port.

  By this means, it is possible to obtain a branch chamber that can prevent the main duct from being crushed due to unreasonable bending when connecting the main duct and the branch chamber, thereby preventing an increase in pressure loss.

  Another means is to provide an elbow rotatably.

  By this means, it is possible to obtain a branch chamber in which the main duct is prevented from being crushed due to excessive bending when the main duct and the branch chamber are connected, and an increase in pressure loss can be prevented.

  Another means is to integrally form the branch chamber and the ventilation device.

  This measure eliminates the need for construction of the main duct between the branch chamber and the ventilator, and prevents the main duct from being crushed by excessive bending when connecting the main duct and the branch chamber, thereby preventing an increase in pressure loss. Possible branch chambers and ventilators are obtained.

According to the present invention, by providing a plurality of branch ports for connecting ducts connected to each room on the spherical side surface of the branch chamber body, the air volume at each branch port is eliminated, and the air volume at each branch port is evenly distributed. In addition, multiple branch ports are provided in multiple directions to reduce the increase in pressure loss due to bending of the duct that occurs when connecting ducts to each room, reducing air volume, reducing air volume imbalance, and noise. By providing a sliding shutter along the inner surface of the branch chamber body at the branch port, and making the slide shutter a vertical slide type, the distance between adjacent branch ports can be reduced, and the slide The thin shutter is made of a thin elastic material that slides while deforming along the branch chamber shape, while deforming along the branch chamber shape It is ride, in correspondence with the branching chamber of any shape, can provide a plurality of branch chambers that are effective that can be closed regardless of the number easily branch port is not used among the branch port.

  In addition, by providing each of the plurality of branch ports at a position equidistant from the connection port, it is possible to eliminate the air volume unbalance of each branch port and to flow the air volume uniformly to each branch port, and Is provided in multiple directions to reduce the increase in pressure loss due to bending of the duct that occurs when connecting ducts to each room, and to provide a branch chamber that has the effect of reducing air volume, reducing air volume imbalance, and reducing noise it can.

  In addition, since the spherical top of the branch chamber body is formed in a planar shape, it is possible to provide a branch chamber having an effect of reducing the height of the branch chamber and improving workability.

  In addition, the R-shaped boundary between the flat top and the spherical side surface has the effect of eliminating air retention and turbulence and preventing pressure loss and noise from increasing. A branch chamber can be provided.

  In addition, providing an elbow at the connection port provides a branch chamber that has the effect of preventing the main duct from collapsing due to excessive bending when connecting the main duct and the branch chamber, and preventing an increase in pressure loss. it can.

  In addition, by providing an elbow to be rotatable, a branch chamber having an effect of preventing the main duct from being crushed due to excessive bending when connecting the main duct and the branch chamber, and preventing an increase in pressure loss. Can be provided.

  In addition, since the branch chamber and the ventilator are integrated, it is not necessary to construct the main duct between the branch chamber and the ventilator, and the main duct is crushed due to excessive bending when connecting the main duct and the branch chamber. It is possible to provide a branch chamber and a ventilator that are effective in preventing the increase in pressure loss and preventing an increase in pressure loss.

The branch chamber according to claim 1 of the present invention is a branch chamber for connecting a ventilator and a plurality of rooms requiring ventilation through a plurality of ducts, and is a plane of the hemispherical branch chamber body. A connection port that connects the main duct connected to the ventilator is provided in a substantially central portion of the one end surface, and a plurality of branch ports that connect the ducts connected to each room are provided on the spherical side surface of the branch chamber body , Outside air passes through the ventilator, the main duct, and the connection port, is distributed from the branch chamber to the plurality of ducts, is supplied to each room, and is slid to the branch port along the inner surface of the branch chamber main body. The slide type shutter is a vertical slide type, and is formed of a thin elastic material that slides while deforming along the shape of the branch chamber. Are those, duct uniformly eliminating the air volume imbalance of each branch port can flow air volume in each branch port, and a plurality of branch ports in multiple directions, generated when the duct connection to each room Reduce the increase in pressure loss due to bending, reduce air flow, air flow imbalance, reduce noise, install a sliding shutter along the inner surface of the branch chamber body at the branch port, and make the slide shutter a vertical slide type The distance between adjacent branch ports can be reduced, and the sliding shutter is formed of a thin elastic material that slides while deforming along the shape of the branch chamber, thereby sliding while deforming along the shape of the branch chamber. is, in correspondence with the branching chamber of any shape, blocked regardless of the number easily branch port is not used among the plurality of branch ports It has the effect that the door can be.

  Moreover, the branch chamber according to claim 2 of the present invention is such that each of the plurality of branch ports is provided at a position equidistant from the connection port, and the air volume unbalance of each branch port is eliminated and each branch port is uniformly formed. The air flow can be made to flow through and multiple branch ports are provided in multiple directions to reduce the increase in pressure loss due to bending of the duct that occurs when the duct is connected to each room. The noise can be reduced.

  Moreover, the branch chamber according to claim 3 of the present invention has a spherical top portion of the branch chamber main body formed in a flat shape, and can improve the workability by reducing the height of the branch chamber. Have

  The branch chamber according to claim 4 of the present invention has an R-shaped boundary between the flat top and the spherical side surface, eliminates air retention and turbulent flow, It has the effect of preventing loss and increase in noise.

  Moreover, the branch chamber according to claim 8 of the present invention is provided with an elbow at the connection port, which eliminates the collapse of the main duct caused by excessive bending when connecting the main duct and the branch chamber, and reduces the pressure loss. It has the effect of preventing the increase.

  Further, the branch chamber according to claim 9 of the present invention is provided with an elbow so as to be rotatable, the collapse of the main duct caused by excessive bending when connecting the main duct and the branch chamber is reduced, and the pressure loss It has the effect of preventing the increase of.

  In the branch chamber and the ventilator according to claim 10 of the present invention, the branch chamber and the ventilator are integrally formed, and the main duct construction between the branch chamber and the ventilator becomes unnecessary, and the main duct and the ventilator are separated. It is possible to prevent the main duct from being crushed due to excessive bending when connecting the chambers, and to prevent an increase in pressure loss.

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

(Embodiment 1)
As shown in FIGS. 1-3, in order to connect the ventilation apparatus 1 and the several room 2 which requires ventilation through the several duct 6, the planar one end surface of the hemispherical branch chamber main body 3 is shown. A connection port 5 for connecting the main duct 4 connected to the ventilator 1 is provided at a substantially central portion, and a plurality of branch ports 7 for connecting the duct 6 connected to each room 2 are formed on the spherical side surface of the main body of the branch chamber 3. Form. Each of the plurality of branch ports 7 is provided at a position equidistant from the connection port 5, and is provided with eight longitudinal slide type slide shutters formed of a thin elastic material along the inner surface of the main body of the branch chamber 3. The branch chamber body 3 has a spherical top that is flat, and a boundary 9 between the top and the spherical side is formed in an R shape. The thin elastic material is, for example, a plastic material such as PP (polypropylene) or PS (polystyrene) having a thickness of about 1 to 2 mm, and may be any material as long as it is elastic. The connection port 5 is provided with a rotatable elbow 10. Outside air flows from the duct 11 or 12, passes through the ventilator 1, the main duct 4, and the connection port 5, flows into the elbow 10, and is distributed from the branch chamber 3 to the plurality of ducts 6, via the vent port 13. Outside air is supplied to each room 2.

  In the above configuration, a plurality of branch ports 7 for connecting the ducts connected to each room 2 are provided on the spherical side surface of the main body of the branch chamber 3, and each of the plurality of branch ports 7 is located at an equidistant position from the connection port 5. By providing the air flow unbalance at each branch port 7, the air flow is made to flow uniformly through each branch port 7, reducing the increase in pressure loss due to bending of the duct that occurs when the duct is connected to each room 2, and reducing the air flow The air volume unbalance and noise can be reduced, and the spherical top of the main body of the branch chamber 3 is formed into a flat shape, and the boundary portion 9 between the top and the spherical side surface is formed into an R shape. The height of the branch chamber 3 is reduced to improve the workability, and air loss and turbulence can be eliminated to prevent pressure loss and noise from increasing. Thin elasticity along By providing a vertical sliding slide shutter 8 with a material, the distance between the adjacent branch ports 7 is reduced, and it is slid while deforming along the shape of the branch chamber 3. Of the plurality of branch ports 7, the unused branch ports 7 can be easily closed regardless of the number, and the main duct 4 and the branch chamber 3 are connected by providing a rotatable elbow 10 at the connection port 5. In this case, it is possible to eliminate the collapse of the main duct 4 caused by an excessive bending and prevent an increase in pressure loss.

(Embodiment 2)
As shown in FIGS. 4 to 7, the second embodiment has substantially the same configuration as that of the first embodiment, and the same components as those of the first embodiment are denoted by the same reference numerals and detailed description thereof is omitted. The branch chamber body 3A and the ventilation device 1A are integrally formed. During the operation of the ventilator 1A, the outside air supplied through the duct 11 by the air supply fan unit 14 constituting the ventilator 1A is sent to the branch chamber body 3A through the connection port 5, and the flow of the outside air is not disturbed. A ventilator 1 </ b> A is distributed through the undercuts 16 provided in each room 2 by being uniformly distributed to each branch port 7 and supplied with outside air from the vents 13 provided in each room 2 via the duct 6. The exhaust fan unit 16 exhausts the air through the duct 12 to the outside.

  In the above configuration, the branch chamber main body 3A and the ventilator 1A are integrally configured, so that the main duct construction between the branch chamber main body 3A and the ventilator 1A becomes unnecessary, and it is impossible to connect the main duct and the branch chamber. The collapse of the main duct caused by bending can be eliminated, and an increase in pressure loss can be prevented.

  In the first or second embodiment, the simultaneous supply / exhaust type ventilation system has been described. However, an air supply type ventilation system may be used, and there is no difference in the operation effect.

  The branch chamber according to the present invention eliminates the air volume unbalance of each branch port, allows a uniform air flow to flow to each branch port, and reduces the increase in pressure loss that occurs when the duct is connected to each room. The present invention is effective for a ventilation system that reduces air flow, unbalances air flow, and reduces noise, and communicates a ventilator with a plurality of rooms requiring ventilation and the outside via ducts.

Configuration diagram of a ventilation system using the branch chamber of Embodiment 1 of the present invention Perspective view of the branch chamber Cross section of the branch chamber The block diagram of the ventilation system using the branch chamber of Embodiment 2 of this invention Perspective view of the branch chamber and ventilator Cross section of the branch chamber and ventilator Cross section of the branch chamber and ventilator A perspective view of a conventional branch chamber

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ventilator 1A Ventilator 2 Room 3 Branch chamber body 3A Branch chamber body 4 Main duct 5 Connection port 6 Duct 7 Branch port 8 Sliding shutter 9 Boundary 10 Elbow

Claims (7)

A branch chamber for connecting a ventilator and a plurality of rooms requiring ventilation through a plurality of ducts, and is connected to the ventilator at substantially the center of the planar end surface of the hemispherical branch chamber body. A connecting port for connecting the main duct, a plurality of branch ports for connecting the ducts connected to each room are provided on the spherical side surface of the branch chamber body, and the outside air is the ventilator, the main duct, and the connection It passes through the mouth, is distributed to the plurality of ducts from the branch chamber and is supplied to each room, and is provided with a sliding shutter along the inner surface of the branch chamber main body at the branch port, and the sliding shutter is a vertical slide type. , branch chamber you characterized by forming a thin elastic material which slides while being deformed along the branch chamber shape. The branch chamber according to claim 1, wherein each of the plurality of branch ports is provided at a position equidistant from the connection port. 3. The branch chamber according to claim 1, wherein the spherical top of the branch chamber body is formed in a flat shape. 4. The branch chamber according to claim 3, wherein a boundary portion between the flat top and the spherical side surface is formed in an R shape. Branching chamber according to any one of claims 1 to 4, characterized in that providing the elbow to the connection port. 6. The branch chamber according to claim 5 , wherein an elbow is rotatably provided. The branch chamber and the ventilator according to claim 1, wherein the branch chamber main body and the ventilator are integrally formed.

Images