JPH0718575B2 - Air conditioning system - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an air conditioning system for cooling, heating and ventilating a room provided in a house.

[Conventional technology]

FIG. 4 is a schematic diagram showing a conventional multi-room air conditioning fan coil unit disclosed in, for example, Japanese Utility Model Publication No. 50-44451, in which (1) is an air supply port (2) (on one side wall). In a casing having outlets (3) and (3) on the other side wall provided with 2), a partition plate (4) is used to connect the air outlet (2) to the outlet (3).
The first ventilation passage (5) and the second ventilation passage (6) are formed independently. (7) (7) is a blower including an electric motor (8), a blade (not shown), and a blade casing (9) provided in the first ventilation passage (5) and the second ventilation passage (6), respectively. , (10) is the first ventilation passage (5)
And a coil for cooling and heating, which is provided across the second ventilation path (6) and is continuously connected to a cold / hot water generator (not shown).

The conventional multi-room air conditioning fan coil unit is configured as described above, and by operating the respective blowers (7) (7) to pass cold or hot water through the cooling and heating coil (10), the air supply port (2 (2) The air sucked from (2) is heat-exchanged by the cooling / heating coil (10) and blown out as cold air or warm air from the air outlets (3) and (3). By connecting one end of the duct to the outlets (3) and (3) and connecting the other end to the room provided in the house, respectively, the room can be cooled or heated. If the airtightness is high, these rooms and air supply ports (2) (2)
By connecting and with a duct, it is possible to cool and heat the room air while circulating it.

[Problems to be solved by the invention]

In the conventional multi-room air conditioning fan coil unit as described above, the room air is sucked from the air supply ports (2) and (2),
Air-conditioning coil (10) exchanges heat to blow out port (3)
Since the air is blown out from (3) for heating and cooling, for example, when heating or cooling a room where air is easily contaminated, such as a dining room, the windows of the room must be opened for ventilation. There was a problem that efficiency decreased.

The present invention has been made to solve the above problems, and each room can be optionally heated and cooled, and can be ventilated, and exhaust heat from ventilation can be recovered with high cooling and heating efficiency. The purpose is to obtain an air conditioning system.

[Means for solving problems]

In the air conditioning system according to the present invention, an exhaust passage and an intake passage extending from the indoor side to the outdoor side are provided in a heat exchange casing having a set of a suction port and a set of a discharge port provided on each of the indoor side and the outdoor side. A blower that forms an exhaust flow in the exhaust passage provided between the suction port and the discharge port, and a blower that forms the intake flow in the intake passage are provided.
A heat exchange device provided with a heat exchanger for exchanging heat between the exhaust flow and the intake flow, and an indoor air inlet and an indoor air supply port of the heat exchange device are connected to one another. A first air passage and a second air passage extending from the air supply port to the air outlet are independently provided in the air conditioner casing, which is provided on the side wall and has an air outlet communicating with the air intake on the other side wall. A fan coil unit in which fans are provided in the first ventilation passage and the second ventilation passage, respectively, and a cooling / heating coil is provided across the first ventilation passage and the second ventilation passage; First above
A first air supply duct having one end connected to the outlet of the ventilation passage and the other end connected to the first chamber, and one end connected to the outlet of the second ventilation passage of the fan coil unit and the other end. A second air supply duct connected to the second chamber, one end connected to the first chamber and the other end connected to the indoor discharge port of the heat exchange device and the air supply port of the fan coil unit. A first return air duct connected to the connecting portion, one end connected to the second chamber and the other end connected to the indoor suction port of the heat exchange device and the air supply port of the fan coil unit. And a switch for selectively turning on and off the respective blowers of the heat exchange device and the blowers of the fan coil unit.

[Action]

In the present invention, each room can be optionally heated and cooled by the fan coil unit as required, and the heat exchange device can ventilate while collecting the exhaust heat, so that the cooling and heating efficiency is high and the environment is high. It will be comfortable.

〔Example〕

1, 2 and 3 are a schematic view showing an embodiment of the present invention, a schematic side view of a fan coil unit and an electric circuit diagram, in which (11) is a house and bedroom (1
2) The first room (A) such as the children's room (13) where the air is relatively dirty, and the second room (B) and the machine room such as the living room (14) and the kitchen (15) where the air is relatively dirty (C) is provided. (16) is a heat exchange device, which is installed inside the heat exchange casing (19) with a pair of inlet (17) and outlet (18), one inside and one outside. A blower that provides an exhaust passage (20) and an intake passage (21) that reach each other so as to intersect between the suction port (17) and the discharge port (18) and forms an exhaust flow in the exhaust passage (20). (twenty two)
In addition, the blower (23) for forming the intake flow is provided in the intake passage (21) so that the blower (23) can be operated independently, and the temperature and the humidity are simultaneously and continuously provided between the exhaust flow and the intake flow at the intersection. Is formed by providing a heat exchanger (24) for total heat exchange. (25) is a fan coil unit, which is connected to the indoor suction port (17) and the indoor discharge port (18) of the heat exchange device (16) through ducts (26) and (26), respectively. Air outlets (28) communicating with these air supply openings (27) (27) on the other side wall while providing the openings (27) (27) on one side wall.
In an air conditioner casing (29) provided with (28), a first ventilation passage (30) extending from the air supply port (27) to the air outlet (28).
The second ventilation passage (31) and the second ventilation passage (31) are independently provided via the partition plate (32), and the first ventilation passage (30) and the second ventilation passage (31) are individually operable. The blowers (33) (34) are provided, and the cooling and heating coils (35) are provided so as to straddle the ventilation paths (30) (31). (36) is a cold / hot water generator for supplying cold water or hot water to the cooling / heating coil (35), and (37) is an outlet (2) of the first ventilation passage (30) of the fan coil unit (25).
8) a first air supply duct having one end continuously connected to the first chamber (A) and the other end continuously connected to the first chamber (A), and (38) is an outlet of the second ventilation passage (31) of the fan coil unit (25). A second air supply duct having one end continuously connected to (28) and the other end continuously connected to the second room (B),
(39) has one end connected to the first chamber (A) and the other end connected to the outdoor discharge port (18) of the heat exchange device (16) and the air supply port 827 of the fan coil unit (25). A first return air duct (40) connected to a duct (26) connected to the second chamber (B) has one end connected to the second chamber (B) and the other end connected to the heat exchange device (16).
Indoor suction port (17) and the fan coil unit (2)
It is a second return air duct that is connected to a duct (26) that is connected to the air supply port (27) of 5). Each of the blowers of the heat exchange device (16) and the fan coil unit (25) has a switch (42) for a power supply (41) as shown in FIG.
Are connected in parallel via.

In the air conditioning system configured as described above,
When cooling or heating each room, the cool / hot water generator (36) supplies cold water or hot water to the cooling / heating coil (35) to operate the blowers (33) (34) to cool or warm the air. As the air is blown from the first air supply duct (37) into the first room (A), and the first return air duct (39)
From the second air supply duct (40) to the second chamber (B) while circulating the air from the second air supply duct (40).
Return from the return air duct (40) to the air supply port (27) for circulation,
The first room (A) and the second room (B) are cooled and heated. Blowers (33) (34) switch (4)
Since it is possible to operate independently according to 2), it is possible to operate only one blower and heat only the first room (A) or the second room (B) as needed. Although air conditioning is performed in this way, if the air in the room becomes dirty, the blowers (22) (23) of the heat exchange device (16) are operated by turning on the switch (42), and it is particularly easy to get dirty. The air in the second room (B) is discharged, and the outside air is supplied to the first room (A) which is less contaminated.
At this time, the outdoor air is heat-exchanged between the exhaust flow and the intake flow by the heat exchanger (24), the temperature of the air sucked from the outside is lowered during cooling, and the temperature of the air sucked from the outside is raised during heating. By being supplied to the first room (A), a decrease in cooling and heating efficiency is prevented. By ventilating in this way, the pressure in the first room (A) with a low degree of pollution is high, and the pressure in the second room (B) with a high degree of pollution is low, The indoor air will move to the second room (B), and a comfortable environment will be obtained. If you want to ventilate only the second room (B),
Only turn on the switch (42) of the blower (22).

The same effect can be expected by providing a pollution degree detector such as a CO ₂ sensor in parallel with the switch (42) in the rooms (A) and (B) and automatically operating the blower.

〔The invention's effect〕

As described above, according to the present invention, the exhaust passage and the intake passage extending from the indoor side to the outdoor side are sucked into the heat exchange casing in which the suction port and the discharge port are provided in the indoor side and the outdoor side, respectively. A blower provided between the outlet and the discharge port to form an exhaust flow in the exhaust passage and a blower forming the intake flow in the intake passage are provided, and the exhaust flow and the intake flow are separated from each other. A heat exchange device provided with a heat exchanger for exchanging heat between the heat exchange device and an air supply port connected to the indoor suction port and the indoor discharge port of the heat exchange device are provided on one side wall, and the other side wall is provided with these. A first air passage and a second air passage extending from the air supply opening to the air outlet are independently provided in an air conditioner casing having an air outlet communicating with the air inlet, and the first air passage and the second air passage are provided. Install a blower in each ventilation passage Both the first air passage and the second
A fan coil unit having a cooling / heating coil provided across an air passage, and a first air supply unit having one end connected to the outlet of the first air passage of the fan coil unit and the other end connected to a first room. The duct and the second of the fan coil unit
A second air supply duct, one end of which is connected to the outlet of the ventilation passage and the other end of which is connected to the second chamber, and one end of which is connected to the first chamber and the other end of which is the inside of the heat exchange device. A first return air duct connected to a connecting portion of the discharge port and the air supply port of the fan coil unit, and one end connected to the second chamber and the other end connected to the indoor suction port of the heat exchange device. And a second return air duct connected to a connecting portion of the fan coil unit and the air supply port of the fan coil unit, each fan of the heat exchange device, and each fan of the fan coil unit are optionally turned on and off. By configuring the switch with the switch, it is possible to optionally heat and cool each room as needed, and it is possible to ventilate while recovering exhaust heat, so that a comfortable environment with high cooling and heating efficiency can be created. There is an effect to be obtained.

[Brief description of drawings]

1 is a schematic view showing an embodiment of the present invention, FIG. 2 is a schematic side view of the fan coil unit (25), FIG. 3 is an electric circuit diagram of the same, and FIG. 4 is a conventional multi-chamber air. It is a schematic diagram showing a harmony fan coil unit. In the drawings, the same reference numerals denote the same parts, (16) is a heat exchange device, (17) is a suction port, (18) is a discharge port, (19) is a heat exchange casing, (20) is an exhaust passage, (21) is an intake passage, (22) (23) is a blower, (24) is a heat exchanger, (25)
Is a fan coil unit, (27) is an air supply port, (28) is an air outlet, (29) is an air conditioner casing, (30) is a first air passage, (31) is a second air passage, and (33) ( 34) is a blower, (3
(5) is an air conditioning coil, (37) is the first air supply duct, (3)
8) is the second air supply duct, (39) is the first return air duct, and (4)
0) is the second return air duct, (42) is the switch, (A) is the first room, and (B) is the second room.

Claims (2)

[Claims] 1. An exhaust passage and an intake passage extending from the indoor side to the outdoor side are connected to the discharge port in a heat exchange casing having a set of a suction port and a set of a discharge port on the outdoor side. A blower for forming an exhaust flow is provided in the exhaust passage and a blower for forming an intake flow is provided in the intake passage, and heat is exchanged between the exhaust flow and the intake flow. And a supply port connected to the indoor suction port and the indoor discharge port of the heat exchange device are provided on one side wall and the other side wall communicates with these supply ports. First air passages and second air passages extending from the air supply port to the air outlets are independently provided in the air conditioner casing, and blowers are respectively provided in the first air passage and the second air passage. In addition to providing the above-mentioned first ventilation passage and the above A fan coil unit having a cooling / heating coil provided across two ventilation passages, and a first feed unit in which one end is connected to the outlet of the first ventilation passage of the fan coil unit and the other end is connected to the first chamber. An air duct, a second air supply duct having one end continuously connected to the outlet of the second ventilation passage of the fan coil unit and the other end continuously connected to the second chamber;
A first return air duct, one end of which is connected to the room of the above and the other end of which is connected to a connecting portion of the indoor discharge port of the heat exchange device and the air supply port of the fan coil unit, and the second chamber A second return air duct, one end of which is continuously connected to the other end, and the other end of which is connected to a connecting portion of the indoor suction port of the heat exchange device and the air supply port of the fan coil unit, and each of the heat exchange device. An air conditioning system comprising a switch for optionally turning the blower on and off. 2. A blower for exhausting air in a second room having a high degree of pollution (CO2 concentration), and a blower for supplying outside air to the first room having a low degree of pollution. The air conditioning system according to item 1.