JPS60218538A - Embedded ceiling type air conditioner - Google Patents

Abstract

PURPOSE:To obtain the embedded ceiling type air conditioner, capable of being controlled so as to introduce atmosphere in accordance with necessity to effect cooling with atmosphere and contributing to energy saving, by a method wherein a ventilating chamber, equipped with second fan, is provided so as to be neighbored to a heat exchanging chamber, equipped with a heat exchanger and first fan. CONSTITUTION:When the shutter 15 of blow-off port 14 of the ventilating chamber 11 is closed and the first fan 4 as well as the second fan 12 are operated upon air-conditioning by flowing cold or hot-water through the heat exchanger 3 usually, air, flowed from the level of ceiling into the heat exchanging chamber 2, passes through the heat exchanger 3, joins with air flowed from an atmosphere intake port 13 thereinto and flows to blow-off duct 10. When only air condition is effected, the shutter 15 is closed so that the air-conditioned air, passing through the heat exchanger 3, does not flow to the side of the ventilating chamber 11. When atmosphere cooling is effected during an intermediate season or the like, in which cooling is effected by atmosphere, the air condition is not effected and only the second fan 12 is operated while the shutter 15 is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a ceiling-embedded air conditioner (fan coil unit, etc.).

Conventional configuration and its problems Conventionally, air conditioners such as fan coil units, etc.
Embedded in the ceiling, it has an intake duct and an air outlet.
In a ceiling-embedded air conditioner in which the open ends of both ducts are provided on the ceiling surface, all the air for intake is drawn into the air conditioner from outside air through the ceiling. , and exchanges heat with cold and hot water passing through a heat exchanger, and is blown into the room through a duct, or a certain amount of outside air can be taken in. However, the above intake amount cannot be controlled individually, and the intake of all outside air in the former case increases the load on the air conditioner, which is undesirable from an energy saving perspective. The outside air intake has the disadvantage that the intake cannot be controlled.

OBJECT OF THE INVENTION The present invention solves the above-mentioned conventional drawbacks, and has a control function to take in outside air as necessary, and also has the ability to perform outside air cooling.
The objective is to obtain a ceiling-mounted air conditioner that contributes to significant energy savings.

Structure of the Invention The present invention provides a main body of a ceiling-embedded air conditioner, a heat exchange chamber having a heat exchanger and a first blower in the main body, a blower chamber having a second blower, and the heat exchanger. a partition plate that partitions the chamber and the ventilation chamber; a main body air intake port connected to the indoor air intake port and the suction duct on one side of the heat exchange chamber; and a main body air outlet that communicates with the indoor air outlet on the other side. , an external air intake communicating with the outside air on one side of the second ventilation chamber, an air outlet provided with an opening/closing shutter on the other side, and both this air outlet and the main body air outlet connected to the indoor air outlet. When performing air conditioning by installing a blow-off duct connected to the blow-off port, either open the air duct installed at the blow-off port to let in some of the outside air, or close it to circulate only indoor air, or The system shuts down the harmonization side, opens the shutter, cools the room with outside air, and performs energy-saving operation as needed.

DESCRIPTION OF THE EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. 1 and 2. 1 is a main body of a ceiling-embedded air conditioner such as a fan coil unit, 2 is a heat exchange room, which is provided with a heat exchanger 3 for passing cold water and hot water, and a first blower 4 for this heat exchanger. There is. Reference numeral 5 indicates an air intake port on the main body, which is provided on one side of the heat exchange chamber 2 and connected to an indoor air intake port 6 provided on the ceiling surface of the room via a suction duct 7; The main body air outlet 11, which is connected and communicated with the air outlet 9 through the air outlet duct 10, is a ventilation chamber housing a second blower 12, and is located on one side of the heat exchange chamber 2, and is either opened in the ceiling or connected to the duct. In either case, an outside air intake port 13 communicating with the outside air is provided side by side on the main body intake port 6 side. Reference numeral 14 denotes an air outlet arranged in line with the main body air outlet 8 of the heat exchange chamber 2, and this air outlet 14 is provided with a shutter 16 for opening and closing. The blowout duct 10 connects the main body blowout port 8 and the blowout port 14 on the side of the blowing chamber 11 so that they communicate with each other. 16 is a partition plate that defines the ventilation chamber 11 and the heat exchange chamber 2; 17 is a connection port for cold and hot water piping; and 18 is a dew pan provided below the heat exchanger 3.

In the above configuration, when air conditioning is performed by passing cold/hot water through the heat exchanger 3, the air outlet 16 of the outlet 14 is opened and the first blower 4 and the second blower 12 are operated. Air flowing in from the indoor air inlet 6 on the surface flows through the suction duct 7, the heat exchanger 3° and the outlet duct 10, and cold or warm air is blown out from the indoor air outlet 9 on the ceiling. On the other hand, air that has flowed in from the outside air intake port 13 is blown out from the air outlet 14, merges with the air that has passed through the heat exchanger 3, flows to the indoor air outlet D9, and takes in a portion of the outside air.

Next, when performing only air conditioning, the air conditioner 16 is closed, and the air that has passed through the heat exchanger \3 to be air-conditioned is sent to the ventilation chamber
This prevents it from flowing to the 1st side.

Next, air conditioning is not performed and the second blower 12 is not used for outdoor air cooling (at night) in the summer, cooling in the intermediate period, and in the winter when some cooling is required due to the load due to solar radiation when facing south. When the damper 16 is opened, the outside air flows in through the air intake port 13 and is blown out through the indoor air outlet 9 through the air outlet 14 and the outlet duct 10, thereby cooling the outside air.

Effects of the Invention As described above, the present invention includes a heat exchanger and a heat exchanger in the heat exchange chamber of the main body.
A first blower, a main body intake port communicating with the suction duct, a main body air outlet communicating with the blow-off duct, and a main body air blowing chamber side.
A second blower, an outside air intake, an air outlet provided with a shutter, and an air outlet duct connected to this air outlet and the main body air outlet are provided to provide air conditioning, air conditioning by outside air intake, outside air cooling, etc. Since the ceiling-embedded air conditioner is configured to be able to perform air conditioning according to the requirements, outside air intake can be controlled individually, the load on the air conditioner is small, and outside air cooling can be performed without using a heat source. Therefore, it exhibits effects such as greatly contributing to energy conservation.

[Brief explanation of the drawing]

FIG. 1 is a top sectional view of a ceiling-embedded air conditioner according to an embodiment of the present invention, and FIG. 2 is a perspective view thereof. 1...Main body, 2...Heat exchange chamber, 3...
...Heat exchanger, 4...First blower, 6...
...Body intake port, 6...Indoor air intake port, 7.
...Suction duct, 8...Body outlet, 9
...Indoor air outlet, 10...Blowout duct, 1
1...Blower chamber, 12...Second blower, 1
3... Outside air intake, 14... Outlet, 16...
...Shutter, 16...Partition plate. Name of agent: Patent attorney Toshio Nakao and 1 other person 1st
figure

Claims (1)

[Claims] The main body includes a heat exchanger, a heat exchange chamber having a first blower, a blower chamber having a second blower, a partition plate that partitions the heat exchange chamber and the blower chamber, and a partition plate that partitions the heat exchange chamber and the blower chamber. A main body air intake port connected to a suction duct that communicates with the indoor air intake port on one side, and a main body air outlet that communicates with the indoor air outlet on the other side,
An outside air intake that communicates with outside air on one side of the second ventilation chamber, an air outlet provided with an opening/closing shutter on the other side, and both this air outlet and the main body air outlet connected to the indoor air outlet. A ceiling-embedded air conditioner equipped with a blow-off duct.