JP5336238B2 - Ventilation equipment - Google Patents

Description

  The present invention relates to a ventilation device.

  It is preferable that the living space in the house is always filled with fresh air. For this reason, ventilation and air circulation are performed.

  Patent Document 1 (Patent No. 3192748) discloses a wind power ventilation mechanism for a house. In this residential wind ventilation mechanism, the wind power drive shaft is axially supported by the top portion of the house roof. A windmill is fixed to the wind power drive shaft outside the house, and an exhaust fan is fixed inside the house. Furthermore, a circulation fan is fixed to the lower end of the wind drive shaft. One of the exhaust fans communicates with the ventilation space in the attic, and the other communicates with the atmosphere. One of the circulation fans communicates with the ventilation space, and the other communicates with the communication switching pipe of each chamber. A switching valve is interposed between the exhaust fan and the circulation fan.

Japanese Patent No. 3192748

  According to the wind power ventilation mechanism of a house described in Patent Document 1, the exhaust fan and the circulation fan are configured to be rotatable by the driving force of the windmill. This makes it possible to control the temperature of the room with natural energy while minimizing the consumption of artificial energy.

  However, the natural wind direction is not uniform. The direction of rotation of the windmill depends on the direction of the wind. Therefore, the rotation direction of the fans (exhaust fans and circulation fans) provided in the room also depends on the wind direction. For this reason, the blowing direction of the fan depends on the wind direction, and it is difficult to blow in the desired direction. That is, when a windmill is used, it becomes difficult to perform indoor ventilation and air circulation stably.

  Therefore, an object of the present invention is to provide a ventilation device that can stably perform indoor ventilation and air circulation using wind power.

  Hereinafter, means for solving the problem will be described using the numbers and symbols used in the embodiments for carrying out the invention. These numbers and symbols are added with parentheses in order to clarify the correspondence between the description of the claims and the mode for carrying out the invention. However, these numbers and symbols should not be used for interpreting the technical scope of the invention described in the claims.

  The ventilator according to the present invention has a shaft member (4) having one end arranged inside the house (6) and the other end arranged outside the house (6), and a shaft member (4) outside the house (6). 4) connected to the shaft member (4) inside the house (6) and rotated by the rotation of the shaft member (4). And a fan (2). The windmill (1) is configured to rotate the shaft member (4) in one direction regardless of the wind direction.

  According to this invention, a windmill (1) rotates a shaft member (4) to one direction irrespective of a wind direction. Thereby, the fan (2) provided in the house (6) also rotates in one direction regardless of the wind direction. The rotation direction of the fan (2) can be controlled in one direction. The air can be blown in a desired direction in the house (6) regardless of the wind direction.

  ADVANTAGE OF THE INVENTION According to this invention, the ventilation apparatus which can perform indoor ventilation and air circulation stably using a wind force is provided.

It is the schematic which shows a house. It is detail drawing which shows the structure of a ventilation apparatus. It is a top view which shows exhaust space. It is a figure when seeing a windmill from the direction where a shaft member extends. It is detail drawing which shows the ventilation apparatus which concerns on 2nd Embodiment. It is the schematic which shows the house in 3rd Embodiment. It is a perspective view which shows an opening / closing member. It is a block diagram which shows the fan in 3rd Embodiment. It is a block diagram which shows the modification of a fan.

(First embodiment)
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic view showing a house 6 to which a ventilation device according to the present embodiment is attached.

  As shown in FIG. 1, the ventilation device includes a windmill 1, a fan 2, and a shaft member 4.

  The windmill 1 is attached on the roof of the house 6. The windmill 1 is provided to rotate about the shaft member 4 as a rotation axis. As for the shaft member 4, the lower end part (one end) is arrange | positioned inside the house 6 (room interior), and the upper end part (other end) is arrange | positioned outside the house 6. The fan 2 is provided for performing indoor ventilation in the house 6. The fan 2 is attached to the shaft member 4 inside the house 6.

  FIG. 2 is a detailed view showing the structure of the ventilation device. As shown in FIG. 2, an opening is provided as an exhaust space 24 in the roof 7 of the house. The shaft member 4 extends from the room toward the outside of the house through the exhaust space 24. FIG. 3 is a plan view showing the exhaust space 24. As shown in FIGS. 2 and 3, a bearing 8 is provided at the center of the exhaust space 24. The bearing 8 is connected to a support bar 10 fixed to the roof 7, and thereby fixed to the roof 7. As shown in FIG. 2, the shaft member 4 is rotatably supported by the bearing 8. The fan 2 is attached to the lower end portion of the shaft member 4 via a connecting member 10.

  With the configuration described above, when wind blows outside the house, the windmill 1 rotates. As the windmill 1 rotates, the shaft member 4 also rotates. The fan 2 blows air from the room toward the outside by the rotation of the shaft member 4. Indoor air is guided to the outside by the fan 2 through the exhaust space 24 and is exhausted through the gap of the windmill 1. According to such an operation, the room can be ventilated using natural wind, and no artificial energy is required for ventilation. Ventilation can be performed using natural energy, which is advantageous.

  However, the natural wind direction is not uniform. Therefore, it is conceivable that the rotation direction of the shaft member 4 changes depending on the wind direction. If the rotation direction of the shaft member 4 cannot be controlled, it is difficult to always blow the air in one direction by the fan 2. Therefore, in the present embodiment, the configuration of the windmill 1 is devised.

  FIG. 4 is a view of the windmill 1 when viewed from the direction in which the shaft member 4 extends. As shown in FIG. 4, the windmill 1 has a plurality of windmill blades 11. Each of the plurality of wind turbine blades 11 is connected to the shaft member 4 at one end. Moreover, the other end part of each windmill blade 11 is bent, and the wind receiving part 12 which receives a wind is formed. The plurality of wind receiving portions 12 corresponding to the plurality of wind turbine blades 11 are located on the circumference centering on the shaft member 4. The plurality of wind receiving portions 12 are inclined in the same direction with respect to the circumferential direction of the circle centering on the shaft member 4.

  By adopting such a configuration, the plurality of wind turbine blades 11 rotate in the same direction around the shaft member 4 regardless of the wind direction. As a result, the shaft member 4 also rotates only in one direction. Since the shaft member 4 rotates only in one direction, the blowing direction of the fan 2 can be limited to one direction. The indoor ventilation can be stably performed regardless of the wind direction regardless of the wind direction.

  In the present embodiment, the case has been described in which the fan 2 is configured to blow air from the room toward the outside. However, the fan 2 may be configured to blow air from the outside toward the room. With such a configuration, indoor air can be circulated using natural energy.

(Second Embodiment)
Next, the second embodiment will be described. FIG. 5 is a detailed view showing the ventilation device according to the present embodiment. In the present embodiment, the exhaust space 24 is omitted from the first embodiment. The bearing 8 is arrange | positioned so that it may be embedded in the roof surface of a house. Since other points can be the same as those in the first embodiment, a detailed description thereof will be omitted.

  In this embodiment, when the shaft member 4 is rotated by the rotation of the windmill 1, the fan 2 blows air toward the room. Thereby, indoor air circulates. In the cold season such as winter, if the room communicates with the outside, cold air may enter from the outside into the room. On the other hand, in this embodiment, since the room and the outside are not in communication, cold does not enter from the outside toward the room. Therefore, it is prevented that indoor air falls during the cold season. Moreover, since the ventilation of the fan 2 depends on natural wind, the amount of ventilation changes according to 1 / f fluctuation. When the fan 2 blows air by 1 / f fluctuation, a person in the room can feel a comfortable wind.

(Third embodiment)
Subsequently, a third embodiment of the present invention will be described. FIG. 6 is a schematic view showing a house 6 to which a ventilation device according to this embodiment is attached. In the present embodiment, a cylindrical duct 5 and an opening / closing member 3 are added to the above-described embodiment. Further, the configuration of the fan 2 is devised. The description of the same parts as those in the above-described embodiment is omitted.

  The duct 5 is provided in the upper part of the house 6. The living space in the house 6 communicates with the outside by the duct 5. The windmill 1 is attached above the duct 1. The shaft member 4 extends from the windmill 1 through the duct 5 into the room.

  The opening / closing member 3 is interposed in the duct 5. FIG. 7 is a perspective view showing the opening / closing member 3. FIG. 7 shows the opening / closing member 3 in the closed state. As shown in FIG. 7, the opening / closing member 3 includes two opening / closing plates 32. Each of the two opening / closing plates 32 is supported by the duct 5 via support members 31 provided at both ends. The two open / close plates 32 are arranged so as to be orthogonal to the shaft member 4. Each of the two opening / closing plates 32 has a semicircular shape, and is arranged so as to be circular as a whole. As a result, the duct 5 is blocked. Each opening / closing plate 32 is provided with a notch so that an opening 33 for passing the shaft member 4 is formed. On the other hand, the support member 31 supports each opening / closing plate 32 so that the angle of each opening / closing plate 32 with respect to the duct 5 is variable. As indicated by the arrows in FIG. 7, the ducts 5 can be opened by making each opening / closing plate 32 parallel to the shaft member 4.

  Moreover, in this embodiment, the fan 2 is comprised so that a ventilation direction can be changed easily. FIG. 8 is a configuration diagram showing the fan 2. As shown in FIG. 8, the fan 2 includes a plurality (two in this embodiment) of fan blades 22. Each of the plurality of fan blades 22 is attached to the shaft member 4 via the rotating member 21. Each fan blade 22 is rotatable around the blade axis c intersecting the shaft member 4 by the rotating member 21. That is, the angle of each fan blade 22 with respect to the shaft member 4 is variable. By adjusting this angle, the blowing direction can be switched between a direction toward the outside and a direction toward the room. In addition, by adopting such a configuration, the air blowing direction can be switched by one fan 2. Since only one fan 2 is required, the space required for the fan 2 can be reduced.

  FIG. 9 is a configuration diagram illustrating a modified example of the fan 2. In the fan according to this modification, a plurality of fan blades 21 are attached to the detachable member 23. The detachable member 23 is detachably attached to the lower end portion of the shaft member 4. The detachable member 23 is configured to be attached to the shaft member 4 even if it is turned upside down. According to such a configuration, the blowing direction of the fan 2 can be easily switched by turning the detachable member 23 upside down. Even if such a configuration is adopted, the air blowing direction can be switched by one fan 2, and the space required for the fan 2 can be reduced.

  Then, schematic operation | movement of the ventilation apparatus which concerns on this embodiment is demonstrated. When exhausting indoor air, the duct 5 is set to an open state. Further, the fan 2 is set so as to generate an air flow from the room to the outside. Here, when the wind blows, the windmill 1 rotates. The shaft member 4 is rotated by the rotation of the windmill 1. The fan 2 is rotated by the rotation of the shaft member 4. The fan 2 blows air in a direction from the house 6 toward the outside. Thereby, the air inside the house 6 is exhausted to the outside through the duct 5, and indoor ventilation is performed. On the other hand, when the room air is circulated, the fan 2 blows in the opposite direction to that during ventilation due to the rotation of the windmill 1. Thereby, room air circulates. According to such an operation, artificial energy is not required, and ventilation or air circulation can be performed using only natural energy. Further, in the winter season, when the duct 5 is opened, outside air may enter the house 6. As a result, the temperature in the room decreases. Therefore, in winter and the like, the duct 5 is closed when air circulation is performed. This prevents outside air from entering the house 6. In addition, since the air blowing direction can be switched by the single fan 2, it is advantageous in terms of cost and space required for the fan 2.

  The present invention has been described above by taking the first to third embodiments as examples. However, these embodiments are not independent from each other, and can be used in combination within a consistent range. For example, as the fan 2 of the first and second embodiments, a fan that switches the blowing direction as described in the third embodiment may be adopted. In addition, an open / close member that opens and closes the exhaust space 24 may be attached to the exhaust space 24 of the first embodiment so as to switch between indoor ventilation and indoor air circulation.

DESCRIPTION OF SYMBOLS 1 Windmill 2 Fan 3 Open / close member 4 Shaft member 5 Duct 6 House 7 Roof 8 Bearing 9 Support rod 10 Connecting member 11 Windmill blade 12 Wind receiving part 21 Rotating member 22 Fan blade 23 Detachable member 24 Exhaust space 31 Support member 32 Open / close plate 33 Aperture

Claims (5)

A shaft member having one end disposed inside the house and the other end disposed outside the house;
A windmill connected to the shaft member outside the house and receiving the wind to rotate the shaft member;
A fan connected to the shaft member inside the house and rotated by rotation of the shaft member;
A duct that connects the interior and exterior of the house,
An opening / closing member provided in the duct for opening and closing the duct;
Comprising
The windmill is configured to rotate the shaft member in one direction regardless of the wind direction .
The shaft member extends from the inside of the house to the outside of the house through the duct,
The duct has a circular cross-sectional shape,
The opening / closing member includes two opening / closing plates each having a semicircular shape,
The two open / close plates are supported by the duct via a support member such that an angle with respect to the duct is variable.
The two open / close plates are orthogonal to the shaft member when closed, are circular as a whole, form an opening for passing the shaft member, and are parallel to the duct when open. As described above, the ventilator is supported on the wall surface of the duct via a support member . A ventilator according to claim 1,
The windmill includes a plurality of wind receiving portions arranged along a circumference centered on the shaft member,
The plurality of wind receiving portions are ventilation devices that are inclined in the same direction with respect to a circular direction around the shaft member. The ventilator according to claim 1 or 2,
The fan includes a plurality of fan blades attached to the shaft member,
Each of the plurality of fan blades is a ventilation device attached to the shaft member so as to be rotatable around a blade shaft intersecting with the shaft member. The ventilation device according to any one of claims 1 to 3,
The fan is
A detachable member detachably attached to the shaft member;
A plurality of fan blades attached to the detachable member;
The ventilator is configured such that the detachable member can be attached to the shaft member even if the top and bottom are reversed. A ventilation device according to any one of claims 1 to 4,
Furthermore,
Comprising a bearing fixedly attached to the roof surface of the house;
The shaft member is a ventilation device supported by the bearing.

Images