JPH07318154A - Ceiling mounting type air conditioner - Google Patents

Abstract

PURPOSE:To make a main space matched to a user's life behavior pattern even in a wide installing room comfortable and to provide energy conservation by air conditioning a specific zone. CONSTITUTION:When an operation command for air conditioning a specific zone is input to an air conditioning zone switching controller, air conditioning is conducted in a normal operation in an outlet 3 disposed at the specific zone side, and diffusing opening regulating means 6 narrows the diffusing opening area in an outlet 4 of the opposite side in cooperation with the above operation to throttle the diffused air thereby to form an air curtain from the outlet 4 toward the down direction. Thus, the specific zone can be air conditioned. The air flow rate from the outlet 4 to form the curtain is automatically set to a low flow rate. Further, the command is input to the controller to switch the outlets 4, 3 for air conditioning in the normal operation or the outlets 4, 3 for forming the curtain.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for heating or cooling a room, and more particularly to a ceiling mounted air conditioner which blows out airflow in two directions.

[0002]

2. Description of the Related Art Recently, in creating a space for a house, there is an increasing tendency to make a space of one room wide, for example, a living room, a dining room, and a kitchen. If you install an air conditioner at the end of the room in a large room, it is difficult to send cold / warm air to every corner of the room.
An increasing number of users desire to install a ceiling-mounted air conditioner in the center of a room. A conventional ceiling-mounted air conditioner (for example, Japanese Unexamined Patent Publication No. 5-322207) is a two-way blowout air conditioner and has separate outlets corresponding to each set of a heat exchanger, a blower, and a flap. It is equipped with a control mechanism that sets the position setting switch according to the mounting position of the main body in the installation room, adjusts the direction of the flap according to this setting, and controls the air flow rate of the blower separately. It is a thing.

[0003]

By the way, in the above-mentioned conventional example, the air-conditioning of the whole room is performed by adjusting the direction of the flap according to the ceiling mounting position of the main body and controlling the blown air volume of the blower separately. However, it is impossible to selectively perform air conditioning in a specific zone in a large indoor space.

The present invention has been made to solve the above-mentioned conventional drawbacks, and its purpose is to enable air conditioning in a specific zone and to make a main space comfortable in accordance with a living activity pattern of a user. It is possible to provide a ceiling-mounted air conditioner that is capable of saving energy.

[0005]

Therefore, the ceiling-mounted air conditioner of claim 1 accommodates two sets of temperature control means 9 and 10 and blower means 11 and 12 in the indoor unit casing 1, and In a ceiling-mounted air conditioner in which separate air outlets 3 and 4 are provided corresponding to the temperature adjusting means 9 and 10 and the air blowing means 11 and 12, the air outlet opening areas of the air outlets 3 and 4 are adjusted. The blowout opening adjusting means 5 and 6 are provided, and when an operation command for air conditioning of the specific zone is input, the air outlet 3 located on the specific zone side is air-conditioned in a steady operation, while the air blowing on the opposite side is performed. The outlet 4 is characterized by being provided with an air-conditioning zone switching control section 21 for narrowing the outlet opening area by the outlet opening adjusting means 6 to narrow the outlet airflow and to form an air curtain directed to the lower side of the outlet 4.

The ceiling-mounted air conditioner according to claim 2 is
The amount of air blown by the air blowing means 12 corresponding to the air outlet 4 forming the air curtain is set to be lower than that during air conditioning during steady operation.

Further, in the ceiling-mounted air conditioner of claim 3, by inputting an operation command for air-conditioning a specific zone to the air-conditioning zone switching control section 21, the air outlet 3 for performing air-conditioning in a steady operation, 4 and the air outlets 4 and 3 for forming the air curtain can be switched alternately.

[0008]

In the ceiling-mounted air conditioner according to the first aspect, when an operation command for performing air conditioning in a specific zone is input to the air conditioning zone switching control section 21, the air outlet 3 located on the specific zone side is air-conditioned during steady operation. In conjunction with this, at the air outlet 4 on the opposite side, the air outlet opening adjusting means 6 narrows the air outlet opening area to narrow the air outlet and form an air curtain downward from the air outlet 4. Therefore, it is possible to perform air conditioning in a specific zone.
It is possible to prevent leakage to other spaces that do not require air conditioning, and thereby save energy.

In the ceiling-mounted air conditioner of the second aspect, the amount of air blown from the air outlet 4 forming the air curtain is automatically set to a low amount. Therefore, an air curtain with a low air flow with less energy loss is formed.

Further, in the ceiling-mounted air conditioner according to the third aspect, by inputting an operation command to the air-conditioning zone switching control section 21, the air outlet 3 for performing the air conditioning in the steady operation,
4 and the air outlets 3 and 4 forming the air curtain can be switched, so that the air conditioning zone can be freely selected.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of the ceiling-mounted air conditioner of the present invention will be described in detail with reference to the drawings.

In FIG. 1, reference numeral 1 denotes an indoor unit casing of a ceiling-mounted air conditioner. A suction port 2 is provided in the center of the lower surface of the indoor unit casing 1, and first and second outlets 3 and 4 are provided at both ends of the lower surface.
Both outlets 3 and 4 are provided with first and second outlet adjustment units 5 and 6, respectively. Each blowout opening adjustment part 5, 6
As shown in FIG. 2, the main guide vane 7 and the sub guide vane 8 are configured as a pair. Inside the indoor unit casing 1, a first heat exchanger and a second heat exchanger are provided near the upper part of the suction port 2.
The heat exchangers 9 and 10 are arranged in an inverted V shape, and face the first heat exchanger 9 in the vicinity of the upper part of the first blowout port 3 and form a first
The blower 11 faces the second heat exchanger 10, and the second blowers 12 are arranged near the upper portion of the second outlet 4 respectively.

An enlarged view of the vicinity of the first outlet 3 is shown in FIG. 2, in which (a) shows the case where the first outlet 3 is fully closed, and (b) shows the first outlet. The case where the outlet 3 is fully opened is shown. In the case of full closure, the first guide opening 7 is set in the first outlet opening adjusting portion 5 in a substantially horizontal direction to
The outlet 3 is completely closed. In the case of full opening, the main outlet blade 7 and the auxiliary guide blade 8 in the first outlet opening adjusting portion 5 are set substantially right below to completely open the first outlet 3.

FIG. 3 is a view for explaining a mechanism for forming an air curtain, which will be described later, by taking the case of the first blowout opening adjusting portion 5 as an example. When forming the air curtain, both guide vanes 7 and 8 are set in a range of approximately 30 ° to just below, and both guide vanes 7 and 8 are made to face each other in a V-shape so that the first outlet 3 An air curtain is formed substantially directly below the first air outlet 3 by narrowing the air outlet opening area to narrow the air outlet. On the other hand, when performing air conditioning in steady operation, the first outlet 3 is opened, both guide blades 7 and 8 are set to a desired angle, and warm air or cold air is blown out in a wide range.

FIG. 4 is a system configuration diagram for air-conditioning zone switching control in the ceiling-mounted air conditioner of the present invention. The same parts as those in FIG. 1 are designated by the same reference numerals. As shown in the figure, the condition setting unit 20, the air conditioning zone switching control unit 21, the first and second blowers 11, 12 and the first and second blowout opening adjusting units 5, 6 are systematically connected to each other.

When an operation command for air conditioning a specific zone is set in the condition setting section 20, the operation command is transferred to the air conditioning zone switching control section 21. Air-conditioning zone switching control unit 21
Transmits a signal to both the blowers 11 and 12 and the outlet control units 5 and 6 according to the operation command to fully open the air outlet 3 located on the air conditioning zone side and start air conditioning. At the air outlet 4 on the opposite side, both guide vanes 7 and 8 narrow the air outlet opening area to narrow the air outlet as shown in FIG. Send it downwards to form an air curtain.

FIG. 5 shows a ceiling-mounted air conditioner indoor unit installed in the central portion of the ceiling in a room with one living room and one dining room, and this ceiling-mounted air conditioner indoor unit. The living room, which is the left half of this room, is the zone A, and the dining room, which is the right half, is B.
As a zone, the state of zone air conditioning in which only the A zone is air-conditioned is shown. The ceiling-mounted air conditioner of the present invention is provided with a remote controller 30 for driving operation as shown in FIG. 4, and an overall switch 31 for air conditioning the entire room.
And an A switch 32 for air conditioning the A zone and a B switch 33 for air conditioning the B zone.

When the user wants to air-condition the A zone, he or she pushes the A switch 32 of the remote controller 30 for operation to send an operation command to the condition setting section 20. The operation command transmitted to the condition setting unit 20 is transferred to the air conditioning zone switching control unit 21. Air-conditioning zone switching control unit 21
Is the first signal that controls the opening of the first outlet 3 on the A zone side.
The air-conditioning operation is performed by transmitting the data to the outlet opening adjusting unit 5 and opening the outlet at the first outlet 3. In conjunction with this, the air conditioning zone switching control unit 21 transmits a signal to the second outlet opening adjusting unit 6 so as to narrow the outlet opening area of the second outlet 4 on the B zone side and throttle the outlet airflow, and A signal is transmitted to the second blower 12 so as to blow a low amount of air. As a result, an air volume lower than the air volume in the steady air-conditioning operation is sent in a substantially downward direction of the second outlet 4 to form an air curtain.

Next, when the user wants to perform air conditioning in the B zone, the B switch 33 of the operation remote controller 30 is used.
When is pressed, the air conditioning operation is performed at the second outlet 4 that is the outlet on the B zone side, and an air curtain is formed substantially directly below the first outlet 3 that is the outlet on the A zone side. When the user wants to air-condition the entire room, he / she presses the whole switch 31 of the remote controller 30 for driving operation, so that the air-conditioning operation is performed at both outlets 3, 4.

As described above, in the ceiling-mounted air conditioner of the present invention, when the user uses the air-conditioning zone, the air outlet 3 on the side of the use zone performs the air conditioning in the steady operation, and the air outlet on the opposite side. In 4, the air curtain having a lower air volume than the air-conditioning air blow in the steady operation is blown in a substantially downward direction to automatically form the air curtain. Therefore, it becomes possible to selectively perform air conditioning in a specific zone, and it is possible to improve air conditioning comfort. Further, it is possible to efficiently prevent the warm air or the cool air from the air-conditioning from leaking to another space that does not require the air-conditioning, without requiring a troublesome operation, so that it is possible to save energy. Further, since the air conditioning zone can be freely switched according to the user's request, it is possible to make only the main space comfortable according to the user's daily activity pattern.

Although specific embodiments of the air conditioner of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention. is there. For example, in the above-described embodiment, the air curtain is formed by narrowing the blowout airflow by narrowing the blowout opening areas of the blowout openings 3 and 4 by the two guide blades 7 and 8 of the blower control units 5 and 6. Other methods may be used as long as it is possible to narrow the blowout airflow by narrowing the blowout opening area such as using a slit plate. Further, in the above embodiment, the air curtain is formed substantially directly below the air outlets 3 and 4, but it is within the scope of the present invention to form the air curtain obliquely downward.

[0022]

As described above, in the ceiling-mounted air conditioner according to the first aspect, when an operation command for performing air conditioning in a specific zone is input to the air conditioning zone switching control unit, steady operation is performed at the air outlet located on the specific zone side. Air conditioning is performed in the air conditioner, and in conjunction with this, the air curtain is formed at the air outlet on the opposite side almost directly below the air outlet, so even in a large installation room, air conditioning in only a specific zone can be selected. This can be done in a controlled manner, which ensures air conditioning comfort. Further, it is possible to prevent the warm air or the cool air from the air-conditioning from leaking to another space that does not require the air-conditioning, without requiring a troublesome operation, so that it is possible to save energy.

Further, in the ceiling-mounted air conditioner according to the second aspect, the air blowing by the air blowing means corresponding to the air outlet forming the air curtain is automatically set to a lower air flow than the steady air conditioning air flow. Therefore, an air curtain with low air loss and low air flow is formed, and it is possible to further save energy.

Further, in the ceiling-mounted air conditioner according to the third aspect, by inputting an operation command to the air-conditioning zone switching control unit, the air outlet for performing the air conditioning in the steady operation and the air outlet for forming the air curtain are provided. Since it can be freely switched, the air conditioning zone can be freely selected by a simple operation.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an indoor unit of a ceiling-mounted air conditioner according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view near the first outlet of the indoor unit of the ceiling-mounted air conditioner in the above embodiment.

FIG. 3 is an enlarged cross-sectional view illustrating a mechanism for forming an air curtain in the ceiling-mounted air conditioner of the above embodiment.

FIG. 4 is a system configuration diagram of air conditioning zone switching control in the ceiling-mounted air conditioner of the above embodiment.

FIG. 5 is an explanatory diagram illustrating a zone air conditioning state under air conditioning zone switching control in the ceiling-mounted air conditioner of the above embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Indoor unit casing 3 1st blower outlet 4 2nd blower outlet 5 1st blowout opening adjustment part 6 2nd blowout opening adjustment part 9 1st heat exchanger 10 2nd heat exchanger 11 1st air blower 12 2nd air blower 21 Air conditioning Zone switching control section

Claims (3)

[Claims] 1. An indoor unit casing (1) contains two sets of temperature control means (9) (10) and blower means (11) (12), and each temperature control means (9) (10). And ventilation means (11)
In the ceiling-mounted air conditioner provided with separate outlets (3) and (4) corresponding to (12),
The blowout opening adjusting means (5) and (6) for adjusting the blowout opening area are provided in (4) respectively, and the blowout opening (3) located on the specific zone side when an operation command for air conditioning of the specific zone is input. While the air conditioning is performed in a steady operation, the outlet opening (4) on the opposite side narrows the outlet opening area by the outlet opening adjusting means (6) to narrow the outlet airflow and direct it toward the lower side of the outlet (4). A ceiling-mounted air conditioner comprising an air-conditioning zone switching control section (21) for forming an air curtain. 2. The amount of air blown by the air blowing means (12) corresponding to the air outlet (4) forming the air curtain is set to be lower than that during air conditioning during steady operation. Ceiling mounted air conditioner. 3. By inputting an operation command for air-conditioning a specific zone to the air-conditioning zone switching control section (21),
The ceiling mount type according to claim 2, wherein the air outlets (3) (4) for performing air conditioning in the steady operation and the air outlets (4) (3) for forming the air curtain can be alternately switched. Air conditioner.