JPH0620038Y2 - Ventilation - Google Patents

Description

[Detailed Description of the Invention] Industrial Application The present invention relates to a ventilation device which is installed in the ceiling of an adjoining bathroom, washroom, etc., and these two chambers are switched by a damper to ventilate, dry, heat or blow air. is there.

2. Description of the Related Art A conventional ventilator of this type generally has a structure shown in FIG. That is, the blower 102 is provided inside the main body 101 of the ventilation device, and the discharge side of the blower 102 has a first discharge port 103 communicating with the bathroom C and a second discharge port 104 communicating with the outdoor E through a duct. A third outlet 105 communicating with the washroom D through a duct, a suction port 106 communicating with the bathroom C on the suction side of the blower 102, the first discharge outlet 103 and the third discharge outlet. A heater 107 located on the windward side of 105 and a space surrounded by the first discharge port 103 and the third discharge port of the heater 107 has one end at one side wall of the main body 101 and the other end at the center of the space. The partition plate 109 that is positioned and fixed is rotatably supported, and the free end of the partition plate 109 abuts against the partition plate 109.
And a damper 108 that alternately opens and closes the discharge port 105 of. In addition, a ventilation port 1 is provided on the partition wall of bathroom C and washroom D.
10 is provided.

In the above structure, when the bathroom C is to be ventilated, dried and heated, the blower 103 and the heater 107 are energized and the damper 108 is operated so that the tip thereof is the partition plate 10.
The third discharge port 105 is closed and the first discharge port 103 is opened. Then, the moist air in the bathroom C is sucked into the main body 101 through the suction port 106,
A part of the air is discharged by the blower 102 to the bathroom C through the first discharge port 103 while being heated by the heater 107. Then, the air discharged to the bathroom C is sucked again from the suction port 106 and circulates together with the air in the bathroom C.

On the other hand, the remaining air discharged by the blower 102 is discharged from the second discharge port 104 through the duct to the outside E. By repeating this operation, bathroom C is ventilated, dried and heated.

And when ventilating, drying and heating the washroom D,
From the above state, the damper 108 is operated to be positioned in the horizontal state, the first discharge port 103 is closed, and the third discharge port 1 is closed.
Open 95 and run the ventilator.

Further, in the above operation, if the heater 107 is not energized, the bathroom C or the washroom D can be ventilated and blown.

Problems to be Solved by the Invention In such a conventional configuration, when the air discharged from the blower 102 hits the partition plate 109 and is discharged particularly to the washroom D, the flow of air is greatly changed to be smooth. It will not flow.

Therefore, ventilation resistance is increased and ventilation loss is increased.

Further, in Japanese Patent Laid-Open No. 62-69050, a first discharge port communicating with the first chamber and a second discharge port communicating with the second chamber are provided, and the first and second discharge ports are integrated. Although an invention has been made in which the dampers are alternately switched, the damper merely opens and closes the first or second discharge port and cannot smoothly guide air to the discharge port.

The present invention solves such a problem, and an object of the present invention is to provide a highly efficient ventilation device by reducing ventilation resistance of air discharged from a blower and reducing ventilation loss.

Means for Solving the Problem In order to solve this problem, the present invention has a built-in blower,
A main body of a ventilation device provided on the ceiling of the first room, a suction port provided on the suction side of the blower in communication with the second room, and the first room on the discharge side of the blower. A first discharge port formed on the lower surface of the main body so as to communicate with each other,
A second discharge port provided so as to communicate with the outside through a duct, a third discharge port provided on a side wall of the main body so as to communicate with the second chamber through the duct, and the first And a heater provided on the windward side of the third discharge port, and a first damper for opening and closing the first discharge port provided with one end as a fulcrum so as to open toward the discharge side of the blower at a constant inclination angle. When the first damper is opened, the first damper and the first damper are positioned on a substantially straight line with respect to the first damper.
A second damper which is openably and closably provided with one end as a fulcrum so as to also serve as a guide plate for guiding air to the discharge port of the first damper, the first damper and the second damper are interlocked, and the first damper is And a damper device for opening the third discharge port by moving the second damper to the inner wall side of the main body substantially parallel to the first damper when the first discharge port is switched to the closed position. It was done.

Operation With this configuration, when the first discharge port is opened, the first and second dampers are inclined corresponding to the discharge side of the blower, and the discharge air can be smoothly blown to the first discharge port.

Further, when the third discharge port is opened, the first damper is used to
The discharge port is closed, the second damper moves to the inner wall side of the main body, and the ventilation resistance by the second damper is almost eliminated.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. As shown in the drawing, a blower 2 is provided inside the main body 1 of the ventilation device provided in the ceiling of the first room A, and the discharge side of the blower 2 is connected to the first room A so as to communicate with the first room A. The first discharge port 3 is formed on the lower surface, the second discharge port 4 communicating with the outdoor C via the duct is provided, and the third discharge port 5 communicating with the second room B via the duct is provided. Provided on the side wall of the main body 1, provided on the suction side of the blower 2 with a suction port 6 communicating with the first chamber A, and provided with a heater 7 on the windward side of the first discharge port 3 and the third discharge port 5, This heater 7 and the first
In the space surrounded by the discharge port 3 and the third discharge port 5 of
A first damper 8 is provided which supports one end by a fulcrum 11 and opens and closes the first discharge port 3 so as to open toward the discharge side of the blower 2 at a constant inclination angle, and the first damper 8 is provided.
Is supported on one end by a fulcrum 12 so as to serve as a guide plate for guiding the discharge air to the first discharge port 3 together with the first damper 8 when the first damper 8 is opened. Two dampers 9 are provided so that they can be opened and closed. Further, ventilation openings 10 are provided in the partition walls of the bathroom A and the washroom B.

Then, in a space surrounded by the heater 7, the first discharge port 3, and the third discharge port 5, one end of the damper 9 is supported by a fulcrum 12 at the upper side so as to be rotatable, and one end of the damper 8 is at the lower side. Is rotatably supported by a fulcrum 11 and a first arm 13 having a fulcrum of fulcrum is provided at substantially the center of the space. The first arm 13 has a second arm 14 and a second arm 14 at both ends. One end of each of the three arms 15 is movably connected, and the other ends of the second arm 14 and the third arm 15 are movably connected to an intermediate portion between the first damper 8 and the second damper 9. It is connected. Further, the first arm 13 is connected to the rotary shaft of the gear motor 16 and is movably connected near the tip and the end of the connecting rod 17 which moves up and down to form a damper device 18.

As shown in FIG. 2, the damper device 18 configured as described above has a first position in which the first damper 8 and the second damper 9 are arranged in parallel with each other in a horizontal state, and a first position In FIG. 2, the gear motor 16 is rotated to move the connecting rod 17 upward, the first arm 13 is rotated clockwise, and the first damper 8 is moved through the second arm 14 and the third arm 15. And the second damper 9 are rotated clockwise so that their free ends face each other, and the first damper 8
And the second damper 9 is switched to the second position where the second damper 9 is arranged in a substantially straight line.

In the above-described configuration, when the bathroom A is ventilated, dried, and heated, the power switch and the changeover switch (not shown) are operated to energize the blower 2 and the heater 7, and the damper device 18 is operated to operate the first damper 8. While opening at a constant inclination angle, the second damper 9 is positioned linearly with the first damper 8, and the first discharge port 3 is opened.
Then, the moist air in the bathroom A passes through the suction port 6 and the main body 1
Part of the air is sucked in and heated by the heater 7,
The air discharged to the bathroom A through the first discharge port 3 while being guided by the damper 9 and the first damper 8 and gently curved in the flow direction is discharged to the bathroom A.
It is sucked again from the suction port 6 and circulates together with the air inside.

On the other hand, the remaining air discharged by the blower 2 is discharged from the second discharge port 4 through the duct to the outside C, and the bathroom A
The air is gradually purified. By repeating such operations, bathroom A is ventilated, dried, and heated.

And when ventilating, drying and heating bathroom B,
By operating the damper device 18 with the changeover switch, the first damper 8 moves to a substantially horizontal state to close the first discharge port 3 and the second damper 9 moves to the inner wall side of the upper surface of the main body 1, When the third discharge port 5 that is substantially parallel to the first damper 8 is opened and the ventilation device is operated, the air in the bathroom A is sucked into the main body 1 from the suction port 6 by the blower 2 and partly. The air is heated by the heater 7 and sent to the third discharge port 5, and discharged from the third discharge port 5 to the washroom B through the duct. Due to this discharged air, the inside of the washroom B becomes a positive pressure, and the air in the washroom B is ventilated by the vent 1
It is sent to bathroom A through 0.

Then, the air in the bathroom A is sucked again from the suction port and circulates. At this time, the first damper 8 and the second damper 9 are held substantially horizontal and parallel to the air discharged from the blower 2, so that the first damper 8
The second damper 9 has almost no air flow resistance and almost no ventilation loss. Also,
The remaining air is discharged from the second discharge port 4 by the blower 2 as in the ventilation and drying of the bathroom A described above.

In the above operation, the heated air can be used as preliminary heating in the winter, and if the heater 7 is not energized, the bathroom A or the washroom B can be ventilated or the fan in the summer can be blown instead. Becomes

EFFECTS OF THE INVENTION As is clear from the above description of the embodiments, according to the present invention, when the first discharge port communicating with the first chamber is discharged, the first damper and the second damper are kept constant. When the discharge flow from the blower is formed so as to be guided straight to the first discharge port and is discharged to the third discharge port communicating with the second chamber, the first damper and Since the second damper is positioned almost parallel to the discharge flow from the blower, the discharge flow from the blower is guided by the damper and smoothly discharged, and the ventilation resistance due to the damper is significantly reduced, which reduces the loss. The effect that efficient operation is possible is obtained.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a ventilation device according to an embodiment of the present invention, FIG. 2 is a configuration diagram of a damper device of the ventilation device, and FIG. 3 is a configuration diagram of a conventional ventilation device. 1 ... Main body, 2 ... Blower, 3 ... First discharge port, 4 ...
... second discharge port, 5 ... third discharge port, 6 ... suction port,
7 ... Heater, 8 ... First damper, 9 ... Second damper, 11, 12 ... Support point, 18 ... Damper device,
A ... Bathroom, B ... Toilet.

Claims (1)

[Scope of utility model registration request] 1. A main body of a ventilation device which has a built-in blower and is provided on the ceiling of a first room, a suction port which is provided on the suction side of the blower and communicates with the first room, and the blower. A first discharge port formed on the lower surface of the main body so as to communicate with the first chamber on the discharge side, a second discharge port provided so as to communicate with the outside through a duct, and a second discharge port A third discharge port provided on the side wall of the main body so as to communicate with the room through the duct, a heater provided on the windward side of the first and third discharge ports, and a discharge side of the blower. The first one is provided with one end as a fulcrum so as to open at a constant inclination angle.
And a guide for guiding the discharge air to the first discharge port together with the first damper, the first damper opening and closing the discharge port of the first damper and the first damper being located on a substantially straight line with respect to the first damper when the first damper is opened. A second damper that can be opened and closed with one end as a fulcrum so that it also serves as a plate, and the first damper and the second damper are interlocked, and the first damper is at a position where the first discharge port is closed. When switching, the second damper is replaced by the first damper.
Ventilation device provided with a damper device that moves to the inner wall side of the main body that is substantially parallel to the damper and opens the third discharge port.