JP2576337B2 - Duct equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a duct device of a simultaneous supply / discharge duct type.

[0002]

2. Description of the Related Art Conventionally, in this type of duct device, as shown in FIG. 20, a ventilation fan arranged in a room (2) of a house (1) is used.
Connect a round pipe (5) to the discharge port (4) of (3), connect it to the hood (6) that penetrates the room (2) and is provided on the outer wall, and discharges the air inside the room. After the discharge, the decompressed air in the room is reduced by the round air pipe (10) provided in the gap (7a) of the door (7), the air supply port (9) provided in the wall (8), and the ventilation fan (3). )
It is known that they take in.

[0003]

In the conventional duct device as described above, the air supply / exhaust air path to the room (2) is a round pipe (5).
(10), and in the case of new construction, piping behind the ceiling is possible, but in the construction of existing houses, there are many cases where round pipes (5) (10) are exposed, Round pipe
(5) (10) is exposed to the interior (2), and there is a problem that the aesthetic appearance is greatly impaired in the interior design.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to obtain an efficient duct device regardless of whether it is installed in a newly-built house or an existing house without impairing the aesthetics of the interior design. It is assumed that.

[0005]

According to a first aspect of the present invention, there is provided a duct device, comprising: a ceiling surface in a room such as a house;
In a wall surface connected to the ceiling surface and a supply / exhaust duct mounted on the wall surface or the ceiling surface, the supply / exhaust duct is used for supplying air to cover an L-shaped corner between the ceiling surface and the wall surface. It is formed by an L-shaped duct and an exhaust duct pipe provided in the L-shaped duct.

According to a second aspect of the present invention, in the duct device according to the first aspect of the present invention, a blower is provided in an air supply L-shaped duct.

According to a third aspect of the present invention, in the duct device according to the first aspect of the present invention, a movable fin is provided in an air supply L-shaped duct and a movable rotary plate is provided on a side wall. Is provided.

According to a fourth aspect of the present invention, there is provided a duct device according to the first aspect of the present invention, wherein a heat exchange fin and a heater are mounted on an exhaust duct pipe.

According to a fifth aspect of the present invention, in the duct apparatus according to the first aspect of the present invention, each of the air supply L-shaped duct and the exhaust duct pipe is closed when the thermal fuse is blown. It is provided with a damper.

According to a sixth aspect of the present invention, in the duct device according to the first aspect of the present invention, a fire barrier is provided inside the air supply L-shaped duct.

According to a seventh aspect of the present invention, in the duct device according to the first aspect of the present invention, the air supply passage and the exhaust passage formed by the air supply L-shaped duct and the exhaust duct pipe are provided. Provided with a heat exchanger.

[0012]

According to the first aspect of the present invention, there is provided a ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, and a supply / exhaust duct mounted on the wall surface or the ceiling surface. In the above, the supply / exhaust duct is formed by an air supply L-shaped duct covering the L-shaped corner of the ceiling surface and the wall surface, and an exhaust duct pipe disposed in the L-shaped duct. , An air supply flow in the L-shaped duct, and an exhaust flow in the exhaust duct pipe.

In the invention according to claim 2 of the present invention, since the blower is provided in the air supply L-shaped duct, the supply air flow is generated by the blower.

According to the third aspect of the present invention, a movable fin is provided in the air supply L-shaped duct, and an air outlet having a movable rotary plate is provided on a side wall. The air flow in the air supply L-shaped duct can be arbitrarily adjusted by the fins and the rotating plate.

According to the fourth aspect of the present invention, since the heat exchange fins and the heater are mounted on the exhaust duct pipe, the airflow in the exhaust duct pipe can be heated and cooled.

In the invention according to claim 5 of the present invention, a damper which is closed when the thermal fuse is blown is provided in each of the air supply L-shaped duct and the exhaust duct pipe. When the thermal fuse is blown in the L-shaped duct for exhaust and the duct pipe for exhaust, the damper is rotated and sealed.

In the invention according to claim 6 of the present invention, since the fire barrier is provided inside the air supply L-shaped duct, when the temperature in the air supply L-shaped duct is increased, the fire barrier is increased. , The inside of the air supply L-shaped duct is sealed.

According to the seventh aspect of the present invention, a heat exchanger is provided on an air supply passage and an exhaust passage formed by an air supply L-shaped duct and an exhaust duct pipe. The heat exchange between the air supply flow from the air supply passage and the exhaust air flow from the exhaust passage is performed by the heat exchanger.

[0019]

【Example】

Embodiment 1 FIG. 1 to 6 are views showing a first embodiment of the present invention, FIG. 1 is a plan layout view in construction, FIG. 2 is a sectional view showing a section BB in FIG. 1, FIG. 4 is a side view showing an arrow C in FIG. 1, FIG. 5 is a rear perspective view of a supply / exhaust type blower, and FIG. 6 is a side view of this embodiment. In the figure, (12) is a house, kitchen (13), sanitary (14),
It consists of living room A (15), living room B (16) and corridor (17). (1
Reference numeral 8) denotes a supply / exhaust type blower provided on the wall surface (12a) of the living room A (15), which comprises, for example, a range hood fan and has a blower (not shown) inside. (19) (20) is an air supply and exhaust port formed in the upper part of the air supply and exhaust blower (18),
(21) is a connection chamber covering these air supply and exhaust ports, which is formed of a box and has a connection port (22) on the back. (22a)
Is an exhaust elbow, which is connected to the exhaust port (20) in the connection chamber (21), and is connected to an exhaust duct pipe to be described later to form an exhaust flow passage. (23) is an air supply L-shaped duct. The same wall paper as the wall surface (12a) is pasted on the hard heat insulating material, and penetrates the living room A (15) and the living room B (16) and the ceiling surface.
(24) and the wall (12a) are formed so as to cover the L-shaped corner, and an L-shaped cover (25) is attached to the ceiling (24) and the wall (1).
2a) and L-shaped mounting piece (26) and mounting screw (27)
And forms an outer casing of the pair duct (11).

(28) is an exhaust duct pipe disposed in the air supply L-shaped duct, which is made of, for example, a PVC pipe.
It is fixed to the ceiling surface (24) with ceiling suspension bolts (29). (30) is a heat insulating material attached to the inner wall of the L-shaped cover (25) and the outer wall of the exhaust duct pipe (28), and is made of, for example, a synthetic resin and has a dew condensation preventing function. Exhaust duct pipe (2
8) and the use of a space (31) surrounded by an L-shaped cover (25) on the outer periphery thereof prevents dew condensation from introducing cold outside air. (32) is an external pipe in which a curved portion (28a) of the exhaust duct pipe (28) connected to the end of the exhaust elbow (22a) is provided.From the supply / exhaust type blower (18), It is located between the air supply L-shaped ducts (23). Reference numeral (33) denotes a connection flange connected to the end of the external pipe (32), into which an exhaust duct pipe (28) is inserted. The connection flange (33) is also attached to the outdoor wall surface (12a) of the living room B (16), and the hood (35) is connected to the outdoor wall surface (34). In addition, the exhaust duct pipe (28) is formed with a pipe having a slope on the hood side, that is, a pipe having a low discharge direction, and forms a flow direction of drain generated in the duct pipe (28). (36) is a ventilation port provided on a side wall of the air supply L-shaped duct (23), and (37) is a partition wall of the house (12). (38) and (39) are arrows indicating the exhaust flow and the supply air flow.

In the duct device constructed as described above, the room air in the living room A (15) is supplied to the exhaust port (20), the exhaust elbow (22a) and the exhaust port when the air supply / exhaust type blower (18) is operated. The air is exhausted from the duct pipe (28) to the outside via the hood (35). On the other hand, outside air is also supplied from the hood (35) into the living room A (15) from the air supply L-shaped duct (23), the external pipe (32), the air supply port (19), and the air supply / exhaust blower (18). I'm bothered. Furthermore, since the exhaust duct pipe (28) is piped with a slope that makes the discharge direction low, the drain is a supply / exhaust type blower (18)
It does not flow to the side.

Embodiment 2 FIG. In the first embodiment, the outer casing of the pair duct (11) is formed by the L-shaped cover (25).
And a triangular shape (FIG. 7) that minimizes the protrusion dimension shown in FIG.
a), a circular shape with rounded corners for improved safety (FIG. 7b), and a horizontal flat shape when the ceiling surface (24) is low (FIG. 8).
a) and a vertical flat shape (FIG. 8B) that can maximize the effective use of the room area, and the like, and the effect of the first embodiment can be further enhanced.

Embodiment 3 FIG. 9 to 12 show a third embodiment of the present invention. FIG. 9 is an exploded perspective view of the construction, FIG. 10 is a sectional view, and FIG. 11 is a sectional view of this embodiment showing an arrow C in FIG. 12 is a perspective view of the connection chamber. 1 to 8 indicate the same or corresponding parts. In addition,
1 and 2 also apply to this embodiment. In the figure, (18) is a supply / exhaust type blower, (19) (20) is an air supply and exhaust port formed in the upper part of the supply / exhaust type blower (18),
(21) is a connection chamber covering these air supply and exhaust ports, (22) is its connection port, (22a) is an exhaust elbow, (23)
Is an L-shaped air supply duct, (25) is an L-shaped cover, (26) is an L-shaped mounting piece, (27) is a mounting screw, and (28) is an exhaust disposed in the air supply L-shaped duct. Duct pipe, (29) is a ceiling suspension bolt, (32) is an external pipe, (33) is a connection flange, (34) is an outdoor wall surface, (35) is a hood, (35a) is a discharge port of this, (35b ) Is an intake port, (36) is a ventilation port provided on the side wall of the air supply L-shaped duct (23), (37) is a partition wall of the house (12), and (38) and (39) are exhaust flow and supply It is an arrow showing an airflow.

Reference numeral (40) denotes an air outlet provided on the side wall of the air supply L-shaped duct (23), in which a rotatable rotating plate (41) is provided. The fins (42) are opposed to the air outlet (40) in the air supply L-shaped duct (23), and are rotatably provided inside a pair at one end as a fulcrum. ) And adjust the discharge amount of the supply airflow. (43) is a blower, which is provided inside the living room B (16), which is the tip of the air supply L-shaped duct (23), to take in outside air. Reference numeral (44) denotes a filter, and the air supply L-shaped duct (23) faces the discharge port (not shown) of the blower.
It is provided within. (45) are heat exchange fins, a plurality of which are fitted at predetermined intervals on the outer periphery of the exhaust duct pipe (28), and transfer heat energy in the exhaust duct pipe (28) to the supply side, Reduce energy loss due to indoor ventilation. A heater (46) is for preheating and is fitted to the exhaust duct pipe (28) to raise the temperature of the supply air and eliminate the disgust caused by the introduction of cool air. (47) is L for air supply
It is a duct partition provided in the shaped duct (23).

When the air supply / exhaust type blower (18) is operated, the indoor air in the living room A (15) uses the exhaust port (20), the exhaust elbow (22a) and the exhaust The air is exhausted from the duct pipe (28) to the outside via the hood (35). On the other hand, outside air is also supplied from the hood (35) by a blower (43) to the living room A through an air supply L-shaped duct (23), an external pipe (32), an air supply port (19), and a supply / exhaust air blower (18). (15) Air is supplied inside. Furthermore, an exhaust duct pipe (28) is installed with a slope that makes the discharge direction low, and the drain is a supply / exhaust type blower.
It does not flow to the (18) side. Heat exchange fins (45)
The supply air flow in the air supply L-shaped duct (23) is heated by the heater (46) and the cool air does not enter the room.

Embodiment 4 FIG. Also, as shown in FIGS. 13 and 14, a weight (51) is provided at one end around a rotatable fulcrum (50) in an exhaust duct pipe (28), and a thermal fuse blown at a predetermined temperature at the other end. (52) is engaged with a hood (35), and a first damper (53) held horizontally by locking the other end of the thermal fuse with the hood (35). At the end of the air supply L-shaped duct (23), the lower part is rotatably supported by the hood (35), and the upper part is the hood (35) with a temperature fuse (52).
A second damper (54) is provided on the side. Then, in the event of a fire, each damper (53) (54) is closed by blowing of the thermal fuse (52), so that the flame and the like do not spread.

Embodiment 5 FIG. Also, as shown in FIG. 15, by providing a fire barrier (60) between partition walls (37) forming the inside of the air supply L-shaped duct (23), the volume of the fire barrier (60) at a predetermined temperature is increased. Increases, the air supply air passage is sealed,
The same effect as that of the fourth embodiment can be obtained.

Embodiment 6 FIG. Also, as shown in FIGS. 16 and 17, a heat exchanger (70) is provided in the air supply L-shaped duct (23), and a band heater (71) is connected to the air supply of the heat exchanger (70). By providing the outlet (72), the air supply passage (7) formed by the air supply L-shaped duct (23) and the exhaust duct pipe (28)
3) The heat energy of the exhaust gas is converted into supply air in the exhaust passage (74), and further heated by the band heater (71) and introduced into the room. This eliminates the intake of cool air.

Embodiment 7 FIG. As shown in FIGS. 18 and 19, regarding the structure of the partition between the living room A (15) and the living room B (16), an opening (80) is provided in the partition wall (37), and an exhaust duct pipe is provided at the center thereof. (28), and by providing a trumpet-shaped diffuser (82) to the air supply opening (81), the pressure loss in the air supply air passage can be reduced.

[0030]

As described above, the invention according to claim 1 of the present invention is mounted on a ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, and mounted on the wall surface or the ceiling surface. In the supply / exhaust duct, the supply / exhaust duct covers the L-shaped corner between the ceiling surface and the wall surface.
Since it is formed of a shaped duct and an exhaust duct pipe disposed in the L-shaped duct, a duct device can be easily and inexpensively made using the ceiling surface and the wall surface, and the aesthetic appearance is also large. Be improved.

According to the second aspect of the present invention, since the blower is provided in the air supply L-shaped duct, the air supply and exhaust operation efficiency is improved by the blower. An efficient simultaneous supply / discharge action can be obtained with another ventilation fan combined with a duct pipe.

According to the third aspect of the present invention, a movable fin is provided in an air supply L-shaped duct, and an air outlet having a rotatable rotating plate is provided on a side wall. The airflow can be arbitrarily adjusted with the fins and the rotating plate, and the supply airflow can be used effectively.

According to the fourth aspect of the present invention, since the heat exchange fins and the heater are mounted on the exhaust duct pipe, the heat in the exhaust duct pipe is supplied by the heat exchange fins to the L-shaped air supply. Since the air supply flow can be moved into the duct and the supply air flow is heated by the heater, cold air is not taken into the room, and the air conditioning conditions are further improved.

According to a fifth aspect of the present invention, a fire or the like is caused by providing a damper which is closed when the thermal fuse is blown in each of the air supply L-shaped duct and the exhaust duct pipe. On the other hand, the spread of fire to the outside is prevented by the damper, and the safety is further improved.

According to the sixth aspect of the present invention, the fire barrier can be provided inside the air supply L-shaped duct, so that the fire spread can be prevented by a simple method.

According to a seventh aspect of the present invention, a heat exchanger is provided on an air supply passage and an exhaust passage formed by an air supply L-shaped duct and an exhaust duct pipe. Heat is exchanged between the exhaust gas and the exhaust gas, and the calorie of the exhaust gas is converted into the supply air flow, so that cool air is not taken into the room, and the air conditioning conditions are further improved.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and is a plan layout view in construction.

FIG. 2 shows Embodiment 1 of the present invention, and is a cross-sectional view taken along the line BB
FIG.

FIG. 3 is a construction exploded perspective view showing the first embodiment of the present invention.

FIG. 4 is a side view showing the first embodiment of the present invention and showing an arrow C in FIG. 1;

FIG. 5 is a rear perspective view of a supply / exhaust type blower showing Embodiment 1 of the present invention.

FIG. 6 is a side view showing the first embodiment of the present invention.

FIG. 7 is a diagram showing the shape of a pair duct in Embodiment 2 of the present invention.

FIG. 8 is a view showing the shape of a pair duct in Embodiment 2 of the present invention.

FIG. 9 is a construction exploded perspective view showing Embodiment 3 of the present invention.

FIG. 10 is a sectional view showing a third embodiment of the present invention.

FIG. 11 is a cross-sectional view showing Example 3 of the present invention and showing a view C in FIG. 1;

FIG. 12 is a perspective view of a connection chamber showing a third embodiment of the present invention.

FIG. 13 is a partial cross-sectional view showing the fourth embodiment of the present invention and showing attachment of a damper.

FIG. 14 is a front view of a hood according to a fourth embodiment of the present invention.

FIG. 15 is a partial sectional view showing Embodiment 5 of the present invention.

FIG. 16 is a partial sectional view showing a sixth embodiment of the present invention.

FIG. 17 is a partial sectional view showing a sixth embodiment of the present invention.

FIG. 18 is a partial sectional view showing a seventh embodiment of the present invention.

FIG. 19 is a partial sectional view showing a seventh embodiment of the present invention.

FIG. 20 is a perspective view showing a conventional duct device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 12 House 12a Wall surface 23 Air supply L-shaped duct 24 Ceiling surface 28 Exhaust duct pipe 40 Outlet 41 Rotating plate 42 Fin 43 Blower 45 Heat exchange fin 46 Heater 52 Temperature fuse 53 First damper 54 Second damper 60 Fire barrier 70 Heat exchanger

Claims (7)

(57) [Claims] 1. An indoor ceiling surface of a house or the like, a wall surface connected to the ceiling surface, and a supply / exhaust duct mounted on the wall surface or the ceiling surface, wherein the supply / exhaust duct is connected to the ceiling. L for air supply that covers the L-shaped corner between the surface and the wall
A duct device, comprising: an L-shaped duct; and an exhaust duct pipe disposed in the L-shaped duct. 2. A ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an air supply L-shaped duct covering an L-shaped corner portion between the ceiling surface and the wall surface, A duct device comprising: an exhaust duct pipe provided in an L-shaped duct for air supply; and a blower provided in the L-shaped duct for air supply. 3. A ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an air supply L-shaped duct covering an L-shaped corner portion between the ceiling surface and the wall surface, And an exhaust duct pipe disposed in the L-shaped duct for air supply, and a movable fin is provided in the L-shaped duct for air supply,
A duct device provided with an outlet having a rotatable rotating plate on a side wall. 4. A ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an air supply L-shaped duct covering an L-shaped corner portion between the ceiling surface and the wall surface, A duct device comprising: an exhaust duct pipe provided in an L-shaped duct; and a heat exchange fin and a heater mounted on the exhaust duct pipe. 5. An air-supply L-shaped duct for covering a ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an L-shaped corner portion between the ceiling surface and the wall surface, And an exhaust duct pipe disposed in the L-shaped duct for air supply, and a damper that is closed when the thermal fuse is blown is provided in each of the L-shaped duct for air supply and the exhaust duct pipe. And duct equipment. 6. A ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an L-shaped air supply duct covering an L-shaped corner portion between the ceiling surface and the wall surface, and an air supply. A duct device, comprising: an exhaust duct pipe provided in an L-shaped duct for air supply; and a fire barrier provided inside the L-shaped duct for air supply. 7. A ceiling surface in a room such as a house, a wall surface connected to the ceiling surface, an air supply L-shaped duct covering an L-shaped corner portion between the ceiling surface and the wall surface, An exhaust duct pipe provided in the L-shaped duct for air supply, and a heat exchanger is provided on an air supply passage and an exhaust passage formed by the L-shaped air supply duct and the exhaust duct pipe. A duct device characterized by the above-mentioned.