JPH0435656B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a ventilation device for centrally ventilating a plurality of rooms with one ventilation device.

Conventional technology The most basic ventilation method that has been used in the past is to install ventilation fans 101, 1 in each room as shown in Figure 3.
02, 103, and exhaust directly to the outdoors like the ventilation fan 101, or ventilation fans 102, 103.
Each ventilation fan 101,
102, 103 are switches 106, 107, 10
8 to control operation and stop individually.

Furthermore, as shown in FIG. 4, there is also a system configured to ventilate multiple rooms with one ventilation device. In this case, one ventilation device 201 is provided, and each room is provided with dampers 202, 203, and 204. And switch 2 for dampers 202, 203, 204
05, 206, and 207 are activated, the air volume switching notch of the ventilation equipment 201 is configured to switch between high, medium, and low depending on the number of activated switches, that is, the number of rooms that require ventilation.
(For example, Japanese Patent Publication No. 52-28495) Problems to be Solved by the Invention By the way, the conventional method of installing one ventilation fan in each room as shown in Figure 3 is extremely labor-intensive and expensive. It had the following problems.

In addition, if one ventilation device is installed as shown in Figure 4, and the air volume switching notch is changed depending on the number of damper switches activated, it may cause problems such as large numbers of people gathering in one room, large amounts of cigarette smoke, etc. Even if this occurs, ventilation can only be performed at the normal ventilation air volume,
Despite having ventilation equipment with a large air volume, the problem was that it could not be used effectively.

The present invention solves the above conventional problems,
The purpose of this object is to provide a ventilation system that saves construction work, is inexpensive, and can ventilate a room with a large amount of air as needed, making effective use of the capacity of the installed ventilation equipment. It is.

Means for Solving the Problems In order to achieve the above objective, one ventilation device 1 is provided to centrally ventilate a plurality of rooms, and each room is equipped with dampers 5a, 5b, 5c, and the dampers 5a, 5b,
Switches 6a, 6 for controlling opening and closing of 5c
b, 6c are provided, and the dampers 5a, 5b, 5c are provided.
is connected to the relay 7 via the switches 6a, 6b, 6c, and connected to the power source via the normally closed contact 7a of the relay 7, and the motor 2 of the ventilation equipment 1 is connected to the switch 6a, 6b, 6c. It is connected to a controller 3 that switches and controls strong, medium, and weak notches according to the number of closed notches, and is connected to a power source via a normally closed contact 7a of the relay 7.
The normally open contact 7b is connected to the strong notch side of the motor 2 without going through the controller 3, and also connects a specific damper 5a among the dampers 5a, 5b, 5c without going through its switch 6a, and connects the relay to the strong notch side of the motor 2 without going through the controller 3. The excitation coil 7 is connected to a power source via a forced priority switch 8 for forcibly operating the motor 2 at a strong notch and opening only the specific damper 5a.
By closing, the excitation coil of the relay 7 is energized, the normally closed contact 7a of the relay 7 is opened, and the normally open contact 7b is closed.

Effect With this configuration, when the forced priority switch is activated, only the damper in a specific room will open, the dampers in other rooms will close, and the ventilation equipment will operate at a strong notch, resulting in a large air volume (for example, in the case of three rooms). It is possible to ventilate a specific room with an air volume that is three times the normal ventilation air volume.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

In the figure, reference numeral 1 denotes a ventilation device with a built-in vane motor 2, and the motor 2 has a notch for switching the air volume between high, medium, and low. 3 is a controller for switching the notch of the motor 2, and suction ports 4a, 4b, 4c provided in each chamber.
motor 2 depending on the number of actuated switches 6a, 6b, 6c that turn on and off dampers 5a, 5b, 5c.
This is for switching the notch. 7 is a relay activated by forced priority switch 8;
The normally closed contact 7a is connected to the motor 2 via the controller 3.
and switches 6a, 6b, 6c.
Dampers 5a, 5b, 5c are connected through
At the same time, the motor 2 is forcibly operated at the strong notch, and the damper 5a is
A damper 5a in a room provided with a forced priority switch 8 for opening only the damper is directly connected without a switch 6a.

In the above configuration, in a normal state where the forced priority switch 8 is not activated, the motor 2 is connected to the relay 7.
The switch is energized via the controller 3 through the normally closed contact 7a of the switch, and operates at a notch corresponding to the number of closed switches 6a, 6b, and 6c. In addition, dampers 5a, 5 provided at the suction ports 4a, 4b, 4c of each room.
Since the terminals b and 5c are connected to the normally closed contact 7a of the relay 7 as described above, opening and closing are controlled by the switches 6a, 6b and 6c. Next, when forced priority switch 8 is activated, relay 7 is activated and normally closed contact 7 is activated.
b is closed, and the motor 2 is energized directly to the strong notch and operates at high power. At the same time, the circuit that supplies power to the dampers 5a, 5b, and 5c in each chamber connected to the normally closed contact 7a is cut off, but power is supplied directly to the damper 5a through the normally open contact 7b without going through the switch 6a. Power is supplied from the power supply circuit. Therefore, the damper 5a is in an open state, and the other dampers 5b and 5c are in a closed state. Therefore, the ventilation equipment 1 is operated at a strong notch, and only the damper 5a in the room where the forced priority switch 8 is installed is opened, and the dampers 5b and 5c in the other rooms are closed, so that only the room where the forced priority switch 8 is installed is opened. It becomes possible to ventilate with a large air volume.

Effects of the Invention As is clear from the description of the above embodiments, according to the present invention, multiple rooms can be ventilated with one ventilation device, which saves construction work and is less expensive than purchasing and installing multiple ventilation devices. It can also be done cheaply. In addition, if a large number of people gather in a particular room or a large amount of cigarette smoke is generated, a forced priority switch can be used to ventilate the room with a large air volume, making effective use of the capacity of ventilation equipment. It is effective.

[Brief explanation of drawings]

Fig. 1 is an installation sectional view of a ventilation system according to an embodiment of the present invention, Fig. 2 is a circuit diagram of the ventilation system, Fig. 3 is an installation sectional view of a conventional example, and Fig. 4 is an installation diagram of another conventional example. FIG. 1... Ventilation equipment, 2... Motor, 3... Controller, 4a, 4b, 4c... Suction port, 5a, 5
b, 5c...damper, 6a, 6b, 6c...switch, 7...relay, 8...forced priority switch.

Claims (1)

[Claims] 1 A single ventilation device 1 is provided to centrally ventilate multiple rooms, and each room is equipped with suction ports 4a, 4.
Dampers 5a, 5b, 5c and switches 6a, 6b, 6c for controlling opening and closing of the dampers 5a, 5b, 5c are provided at the dampers 5a, 4c, and
a, 5b, 5c are the switches 6a, 6b, 6c
The motor 2 of the ventilation equipment 1 is connected to the relay 7 through the relay 7, and connected to the power source through the normally closed contact 7a of the relay 7.
It is connected to a controller 3 that switches and controls strong, medium, and weak notches according to the number of closed notches b and 6c, and is connected to a power source via the normally closed contact 7a of the relay 7, and also connects the normally closed contact 7a of the relay 7 The contact 7b is connected to the strong notch side of the motor 2 without going through the controller 3, and also connects a specific tamper 5a among the dampers 5a, 5b, 5c without going through the switch 6a to excite the relay 7. The coil is connected to a power source via a forced priority switch 8 for forcibly operating the motor 2 at a strong notch and opening only the specific damper 5a, and by closing the forced priority switch 8, the relay is activated. 7
energizes the excitation coil of the relay 7, normally closed contact 7a of the relay 7
The ventilation device has a connection configuration in which the normally open contact 7b is closed and the normally open contact 7b is closed.