JPS63217155A - Ventilating air-conditioning apparatus - Google Patents

Abstract

PURPOSE:To exhaust contaminated air, by a method wherein a title apparatus incorporates a heating cooling part and a ventilating part, having a total heat exchanger, and a damper through which return air through the specified suction port of the suction ports of a plurality of rooms is guided to the ventilating part and that through the other suction ports to the heating and cooling part. CONSTITUTION:A suction grill 16 is situated to a room, e.g. toilet, where a smell is produced, and is connected to a suction port 9 of a ventilating air- conditioning apparatus 1 through a return air duct 15. By closing a damper 11 when a smell is generated, return air flows through a total heat exchanger 8 and is exhausted from an outdoor hood 19 with the aid of a fan 6, driven by a motor 5, for exhaust. Simultaneously, with the aid of a fan 7 for suction, the open air from the outdoor hood 20 flows through the total heat exchanger 8, and passes through a cold hot water coil 4 for air conditioning with the aid of a fan 3 for blast together with return air in other rooms sucked from a suction port 10 through a return air duct 17 by means of suction grills 18a-18d to blast air to each room. This constitution enables ventilation of contaminated air while an increase in a cooling heating load is minimized.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a ventilation air conditioning system for ventilation and heating and cooling of buildings.

2. Description of the Related Art A conventional heating and cooling system has a motor 106 as shown in FIG.
Air conditioner 1o consisting of fan 104 and cold/hot water coil 106
1 is set on the ceiling of a house, etc., as shown in Fig. 6,
Hot or cold air is sent to each room via a supply air duct 102, and return air is returned to the air conditioner 101 via a return air duct 103. The air returned to the air conditioner 1o1 is sent by a fan 106 driven by a motor 104, heated or cooled by a cold/hot water coil 106, and then sent through the air supply duct 102 again to each room.

(For example, regarding heating and cooling methods, please refer to Air Conditioning Co., Ltd.)
Sanitary Engineering Extra “Practical Knowledge of Air Conditioning Equipment” (Revised 2nd Edition)
This is a heating and cooling device shown in version) P, 188. ) Problems to be Solved by the Invention The conventional air-conditioning system described above cannot exhaust contaminated air generated indoors, and it is necessary to provide a separate ventilation system for ventilation. However, simply providing ventilation will lead to an increase in the heating and cooling load. In addition, when return air from a room where odor is generated, such as a toilet, is mixed, the odor spreads to each room, often causing discomfort.

In addition, these odors permeate into the air supply duct 1o2, causing problems such as increasing discomfort as time passes.

The present invention solves the above-mentioned conventional problems. It is possible to perform heating and cooling while discharging contaminated air generated indoors, and also prevents an increase in the heating and cooling load. It also allows for timely and arbitrary ventilation of rooms where odors such as toilets occur. To provide a ventilation air conditioner which can prevent the odor from spreading to each room and prevent the odor from penetrating into the air supply duct to each room.

Means for Solving the Problems In order to achieve the above object, the ventilation air conditioning system of the present invention has the following features:
Inside the device, there is a heating and cooling part that includes a fan motor for blowing air and a cold/hot water coil for heating and cooling, and ventilation that has a fan motor for ventilation and a total heat exchanger for exchanging heat between the exhaust air and the introduced outside air. part, and has a plurality of suction ports for taking in return air from the room, and guides the return air from a specific suction port among the suction ports to the ventilation part,
The structure includes a damper that guides the remaining return air from the suction port to the heating and cooling section.

Effect With this configuration, if the return air from a room where a smell occurs, such as a toilet, is connected to a specific suction port, if an odor occurs, the damper can be closed, and the return air from the specific suction port will be ventilated. It is led to the exhaust fan of the fan motor, and after passing through a total heat exchanger, it is all exhausted. At the same time, outside air is sucked in by the air supply fan of the ventilation fan motor, exchanges heat with indoor return air in the total heat exchanger, and then is led to the heating and cooling section. On the other hand, the return air from other rooms from the remaining suction ports is directly led to the heating and cooling section, mixed with the outside air, and then pressurized by the blower fan motor and heated or cooled by the cold/hot water coil. Supplied to each room. Furthermore, if no odor is generated, if the damper is left open, part of the return air from each suction port will be guided to the return air section, and the rest will be guided to the heating and cooling section. On the other hand, the return air led to the ventilation part by the exhaust fan of the ventilation fan motor is exhausted after passing through the total heat exchanger, and at the same time, the outside air is sucked in by the supply air fan of the ventilation fan motor, and all After passing through the heat exchanger and the indoor return air through a heat exchange port, it is led to the heating and cooling section. Furthermore, the remaining return air is guided directly to the heating and cooling section.
After being mixed with the outside air, it is pressurized by a blowing fan motor, heated or cooled by a cold/hot water coil, and then supplied to each room.

In this way, ventilation and cooling or heating are performed while preventing odors generated from toilets and the like from spreading to each room.

EXAMPLE Hereinafter, an example of the present invention will be explained based on FIGS. 1 to 3.

In the figure, reference numeral 1 denotes a ventilation air conditioner, which includes a blower fan 3 driven by a blower motor 2 and a cold/hot water coil 4 for heating or cooling the air discharged from the blower fan 3. The cooling part, the exhaust fan 6 and the air supply fan 7 driven by the ventilation motor 6, the air exhausted outdoors by the exhaust fan 6, and the air supplied from the outdoors by the air supply fan 7. It has a built-in ventilation section with a total heat exchanger 8 for exchanging heat between the two, as well as suction ports 9 and 1 for taking in return air from the room.
It has 0. It also has a damper 11 for guiding all the return air from the suction port 9 to the ventilation section and for guiding all the return air from the suction port 10 to the heating and cooling section, and this damper 11 is driven by the drive section 12. It has become so. One end of the air supply duct 13 is connected to the ventilation air conditioner 1 to send hot or cold air to each room, and discharge grilles 14a to 14e are attached to the end of each room. One end of the return air duct 15 from the specific room is connected to the suction port 9 of the ventilation air conditioner 1, and is installed to guide return air from rooms where odor occurs, such as the toilet, to the ventilation air conditioner 1. There is a suction grill 16 at the end of the air duct 15 on the room side.
is the installation.

Furthermore, one end of the return air duct 17 from the remaining rooms is connected to the suction port 10 of the ventilation air conditioner 1, and is provided so as to guide the return air from each room to the ventilation air conditioner 1. Suction grilles 18a to 18d are attached to the tips of the cylinders. Furthermore, outdoor hoods 19 and 2o are provided for taking outdoor exhaust air and outdoor air supply from the ventilation air conditioner 1.

In the above configuration, the suction grill 1e is provided in a room where odor occurs, such as a toilet, and the suction grill 1e is provided through the return air duct 15 to the suction port 9.
If an odor occurs in the room where the suction grill 16 is installed, if the damper 11 is closed, the suction port 9
The return air is guided to an exhaust fan 6 driven by a ventilation motor 6, passes through a total heat exchanger 8, and then passes through an outdoor hood 19.
It is all discharged outdoors. At the same time, outside air is guided from the outdoor hood 20 by the intake fan 7 driven by the ventilation motor, passes through the total heat exchanger 8, exchanges heat with the indoor return air, and then is led to the heating and cooling section. . On the other hand, return air from other rooms that has passed through the return air duct 17 and entered from the suction port 1o by the suction grilles 18a to 18d is directly guided to the heating and cooling section. After mixing this return air with the outside air, it is pressurized by a blower fan 3 driven by a blower motor 2, heated or cooled by a cold/hot water coil 4, passed through an air supply duct 13, and then sent to discharge grills 14a to 14e. Discharged into each chamber,
Ventilation and heating Ventilation and cooling are still in place.

In addition, if no odor occurs in the room where the suction grill 16 is installed, if the damper 11 is left open, the suction grill 16
Part of the indoor return air that has passed through the return air duct 16 and the return air duct 17 and entered the ventilation air-conditioning bag 61 from the suction port 9 and the suction port 1Q is guided to the ventilation part by the 6 and the suction grills 18a to 18d, The air is guided to an exhaust fan 6 driven by a ventilation motor 6, passes through a total heat exchanger 8, and then is exhausted outdoors through an outdoor hood 19. At the same time, the air supply fan 7 driven by the ventilation motor 5 leads outside air through the outdoor hood 2o, exchanges heat with the indoor return air through the total heat exchanger 8, and then leads it to the heating and cooling section. . On the other hand, the rest of the indoor return air is led directly to the heating and cooling section. After mixing this return air with the outside air, it is pressurized by a blower fan 3 driven by a blower motor 2, heated or cooled by a hot and cold water coil 4, and is heated or cooled by a hot and cold water coil 4.
Air is discharged into each room by air from a to 14e and performs ventilation and heating or ventilation and cooling. Therefore, if an odor occurs from a specific room such as a toilet, the return air from that room will exchange heat to minimize heat loss. This prevents odors from spreading to other rooms, and also mixes the return air from other rooms with outside air, which has recovered heat from the return air from a specific room, and heats or cools it. Send it to the room and perform ventilation and heating or ventilation and cooling and heating.

In addition, if there is no odor coming from a specific room such as a toilet, a portion of the return air from each room is heat exchanged and exhausted while minimizing heat loss, and the remaining return air is used as outside air with heat recovery. The air is mixed with air, heated or cooled, and sent to each room for ventilation and heating or ventilation and cooling.

Effects of the Invention As is clear from the description of the embodiments above, according to the present invention, each room can be ventilated and air-conditioned at the same time, and the increase in air-conditioning load due to ventilation can be minimized. It is possible to prevent the odor generated in a certain room from spreading to other rooms and causing discomfort. It also has the effect of preventing those odors from penetrating into the air supply duct over many years and increasing discomfort.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing a case where the damper of the ventilation air conditioner according to an embodiment of the present invention is open, FIG. FIG. 4 is a cross-sectional view of a conventional air conditioner, and FIG. 6 is a cross-sectional view of the air conditioner. 1...Ventilation air conditioner, 2...Blower motor, 3...Blower fan, 4...Cold/hot water coil, 5...・Ventilation motor, 6...
・・Exhaust fan, 7・・Air supply fan, 8・
...Total heat exchange air, 9...Suction port, 10.
...Suction port, 11...Damper, 12.
...Driving part. Name of agent: Patent attorney Toshio Nakao and one other person
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Claims (1)

[Claims] Inside the device, there is a heating and cooling section that includes a fan motor for blowing air and a cold/hot water coil for heating and cooling, and a total heat exchanger for exchanging heat between the fan motor for ventilation and the exhaust air and the introduced outside air. It has a built-in heating and cooling part, as well as multiple suction ports to take in return air from the room.
A ventilation air conditioner configured to include a damper for guiding return air from a specific suction port among the suction ports to a ventilation portion and guiding return air from the remaining suction ports to a heating and cooling portion.