JPH09159199A - Air conditioner - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a non-heat-exchanged air to a higher level of warm air by providing an auxiliary blow-out port and an auxiliary blower fan at the upper part of the main body during heating operation without increasing the size of the main body. It is an object of the present invention to provide an air conditioner that can be stirred so that warm air does not accumulate in the upper part. A heat exchanger (3) and a blower fan (4) provided in an air passage that connects a suction port (2) provided in a central portion and an upper surface of a front surface of a main body (1) and an air outlet (5) provided in a lower portion, and a front surface of the main body (1). An auxiliary air outlet 9b provided in the upper part, an auxiliary air passage connecting the auxiliary air outlet and a part of the suction opening of the upper surface portion, and an auxiliary blower fan 10 arranged in the auxiliary air passage, During the heating operation, the air sucked from the suction port is heat-exchanged by the heat exchanger, and the air blown by the blower fan is sent from the blowout port, while the air sucked from a part of the suction port of the upper surface is The air is blown out from the auxiliary blowout port by an auxiliary blower fan.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides an auxiliary air outlet at the upper part of the front of the main body during heating operation, and an auxiliary blower fan facing the auxiliary air outlet so that the air that has not been heat-exchanged is placed above the warm air. The present invention relates to an air conditioner which can be agitated so as not to collect warm air in the upper part of the room by being sent to the air conditioner.

[0002]

2. Description of the Related Art A conventional air conditioner is, for example, shown in FIG.
As shown in, the heat exchanger 3 and the blower fan 4 are arranged in the air passage that connects the suction port 2 provided on the front surface of the main body 1 and / or the upper surface portion with the air outlet 5 provided at the lower part, and The air that has undergone heat exchange in the exchanger 3 is sent to the outlet 5 by the blower fan 4, and by the left and right airflow direction vanes 6 and the vertical airflow direction vanes 7 and 8 which are rotatably supported by the air outlet 5. It was configured to deflect the wind direction. With the above configuration, during heating operation, as shown in FIG.
8 is rotated to a substantially vertical position about the support shafts 7a and 8a of the vertical airflow direction vanes 7 and 8, and is sucked from the suction port 2 as shown by an arrow a to generate heat in the heat exchanger 3. The exchanged air was sent from the blower outlet 5 toward the feet in the room by the blower fan 4 as indicated by an arrow b. However, there is a problem that the warm air blown out from the air outlet 5 rises and warm air is likely to be accumulated in the upper part of the room.

As a means for solving the above problems,
The example disclosed in Japanese Utility Model Publication No. 63-196013 is recognized. As shown in FIG. 2 (B), Japanese Utility Model Laid-Open No. 63-196013 discloses that the auxiliary air passage 9 extending along the back surface and the upper surface of the casing 1a of the main body 1 has the suction port 2 for sucking indoor air a.
And an air passage that connects the air outlet b that blows out the heat b exchanged in the heat exchanger 3, and is formed on the rear surface of the lower portion of the casing 1a so as to communicate with the auxiliary air passage 9. Is equipped with an auxiliary suction port 9a for
The indoor air is communicated with the auxiliary air passage 9 at the upper part of the front surface of the casing 1a, and the room air is provided above the warm air blown out from the outlet 5.
While the auxiliary air outlet 9b for blowing out b'is provided, the auxiliary air passage 9 is provided with an auxiliary fan 10 so that warm air due to warm air is accumulated in the upper part of the room. It was an air conditioner that could prevent and reduce the temperature difference between the upper and lower parts of the room.

However, the actual exploitation of Sho 63-196013
No. 1 has a configuration in which the auxiliary air passage 9 extending along the back surface and the upper surface of the casing 1a is partitioned from the air passage that connects the suction port 2 and the air outlet 5, so that the main body 1 is large in size. It had the problem of becoming

[0005]

In view of the above problems, in the present invention, heat is exchanged without increasing the size of the main body by providing an auxiliary blow-out port and an auxiliary blower fan on the upper part of the main body during heating operation. An object of the present invention is to provide an air conditioner capable of agitating non-existent air to the upper part of warm air so that warm air is not accumulated in the upper part of the room.

[0006]

In order to solve the above-mentioned problems, suction ports provided in the central portion and the upper surface of the front surface of the main body,
A heat exchanger and a blower fan arranged in an air passage connecting to an air outlet provided at a lower portion, left and right wind direction plates and a vertical air direction plate pivotally supported by the air outlet, and an upper portion of the front surface of the main body And an auxiliary air passage connecting the auxiliary air outlet and a part of the suction opening of the upper surface portion, and an auxiliary blower fan arranged in the auxiliary air passage. At this time, the air sucked from the suction port is heat-exchanged by the heat exchanger, the left and right wind direction plates adjust left and right wind directions by the blower fan, and the up and down wind direction plates adjust the wind direction downward to blow the air. While being sent from the outlet, the air sucked from a part of the suction port of the upper surface portion is sent from the auxiliary outlet by the auxiliary blower fan.

Further, an auxiliary left / right airflow direction plate is rotatably supported by the auxiliary air outlet.

An auxiliary vertical wind direction plate is rotatably supported by the auxiliary air outlet.

The auxiliary blower fan is a cross flow fan.

Further, the auxiliary air passage is formed of a curved air guide plate. Further, an opening connecting the auxiliary outlet and the heat exchanger is provided in the lower portion of the baffle plate forming the auxiliary air passage, and the upper surface is formed when the auxiliary outlet is closed by the auxiliary vertical wind direction plate. The air sucked from a part of the suction port of the section is guided from the opening to the heat exchanger and the air passage.

[0011]

With the above structure, an auxiliary air outlet is provided at the upper part of the front surface of the main body during heating operation without increasing the size of the main body, and an auxiliary blower fan is provided so as to face the auxiliary air outlet, so that air that has not been heat-exchanged can be used. Is sent to the upper part of the warm air so that warm air can be agitated so that warm air does not accumulate in the upper part of the room.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. In FIG. 1, reference numeral 1 is an indoor unit body of an air conditioner, 2 is a suction port provided in a central portion of a front cover detachably attached to the main body 1 and an upper surface portion of the main body 1, and 3 are the same. It is a heat exchanger for exchanging heat with the air sucked from the suction port 2. A blower fan 4 is provided in an air passage connecting the suction port 2 and a blowout port described later, and blows heat-exchanged air to the blowout port described later, and 5 blows air toward the room. It is an outlet.

Reference numeral 6 denotes a large number of left and right air flow direction plates which are rotatably supported by the air outlet 5 and are provided for adjusting the air flow direction in the left and right direction. Reference numerals 7 and 8 denote vertical wind direction plates that are rotatably supported by the air outlet 5 in front of the left and right wind direction plates 6 and adjust the vertical wind direction.
The upper and lower wind direction plates 7 and 8 are pivotally rotatably supported.

Reference numeral 9 is a curved surface facing a part of the suction port 2 provided on the upper surface of the main body 1 so as to form an auxiliary air passage behind and below an auxiliary blower fan described later. It is a baffle plate formed in a shape. By forming the baffle plate 9 in a curved shape, air sucked from a part of the suction port 2 provided on the upper surface of the main body 1 is
The auxiliary blower fan to be described later can effectively send the air to an auxiliary blowout port to be described later.

Reference numeral 9a denotes an opening formed in the lower portion of the baffle plate 9. By forming the opening 9a, when the auxiliary blow-out port, which will be described later, is closed by the auxiliary vertical wind direction plate, which will be described later, the upper surface is formed. The air sucked from a part of the suction port 2 of the section is guided from the opening 9a to the heat exchanger 3 and the air passage as shown by a dashed arrow c in FIG. It has a structure that can improve the exchange efficiency. Reference numeral 9b denotes an auxiliary air outlet provided at an upper portion of the suction port 2 provided on the front cover, and during the heating operation, the auxiliary air outlet fan described later causes the auxiliary air outlet 9b.
By blowing out the air sucked from a part of the suction port 2 of the upper surface part, it is possible to stir so that warm air is not accumulated in the upper part of the room.

Reference numeral 10 denotes an auxiliary blower fan comprising a cross flow fan provided in an auxiliary air passage connecting a part of the suction port 2 provided on the upper surface of the main body 1 and the auxiliary outlet 9b, As described above, during the heating operation, the auxiliary blower fan 10 enables the air sucked from a part of the suction port 2 provided on the upper surface of the main body 1 to be discharged from the auxiliary outlet 9b. It has been configured.
Further, the auxiliary blower fan 10 is a cross flow fan, so that the air sucked from a part of the suction port 2 can be effectively sent out from the auxiliary blowout port 9b.

With the above structure, the temperature difference between the upper and lower parts of the room can be reduced during the heating operation without increasing the size of the main body 1, so that comfortable and efficient air conditioning can be performed. Become an opportunity.

Reference numeral 11 denotes a large number of auxiliary left / right airflow direction vanes rotatably supported on the auxiliary air outlet 9b by a support shaft portion 11a. The auxiliary left / right airflow direction plates 11 adjust the leftward / rightward airflow direction. It is configured to be able to blow air. 12 is
In the front of the auxiliary left / right airflow direction plate 11, an auxiliary up / down airflow direction plate is rotatably supported by a support shaft portion 12a. By the auxiliary up / down airflow direction plate 12, the vertical airflow direction can be adjusted to effectively blow air. It is configured like this. Further, when the auxiliary outlets 9b are closed by the auxiliary vertical airflow direction vanes 12 as shown by a broken line in FIG. 1 except during the heating operation, one of the suction ports 2 provided on the upper surface of the main body 1 is closed. The structure is such that the air sucked in from the portion can be guided to the heat exchanger 3 and the air passage from the opening 9a, and as a result, as described above, the ventilation and the heat exchange efficiency accompanying it. It is configured to be able to improve.

With the above structure, during the heating operation, the air sucked from the suction port 2 is heat-exchanged by the heat exchanger 3 as shown by an arrow a in FIG.
As described above, the air a ′ sucked from a part of the suction port 2 provided on the upper surface of the main body 1 while being blown out from the air outlet 5 by the blower fan 4 is the air guide plate 9 Is effectively guided to the auxiliary air passage configured by
The auxiliary blower fan 10 blows the hot air blown out from the blower outlet 5 to the upper side of the auxiliary blower outlet 9b so that warm air can be stirred so that warm air is not accumulated in the upper part of the room. Become an opportunity.

[0020]

As described above, according to the present invention, an auxiliary air outlet is provided in the upper portion of the front surface of the main body during heating operation without enlarging the main body, and an auxiliary blower fan is provided so as to face the auxiliary air outlet. As a result, the air that has not been heat-exchanged can be sent to the upper part of the warm air and agitated so that warm air does not accumulate in the upper part of the room, and a comfortable and efficient air conditioning can be performed.

[Brief description of the drawings]

FIG. 1 is a sectional view of an indoor unit of an air conditioner according to the present invention.

FIG. 2 is a sectional view of an indoor unit of an air conditioner according to a conventional example,
(A) shows an example in which an auxiliary air outlet and an auxiliary blowing fan are not provided, and (B) shows an example according to Japanese Utility Model Laid-Open No. 63-196013 in which an auxiliary air outlet and an auxiliary blowing fan are provided.

[Explanation of symbols] 1 Indoor unit main body 2 Suction port 3 Heat exchanger 4 Blower fan 5 Outlet port 6 Left and right airflow direction vanes 7,8 Vertical airflow direction vanes 7a, 8a Vertical airflow direction vane shaft 9 Baffle plate 9a Opening 9b Auxiliary Air outlet 10 Auxiliary blower fan 11 Auxiliary left / right airflow direction vanes 11a Auxiliary left / right airflow direction vane shafts 12 Auxiliary up / down airflow direction vanes 12a Auxiliary left / right airflow direction vane shafts a Air sucked from the inlet toward the heat exchanger b Air blown out from the air outlet Air a'Air sucked from the inlet toward the auxiliary outlet b'Air blown out from the auxiliary outlet

Claims (6)

[Claims] 1. A heat exchanger and a blower fan disposed in an air passage connecting a suction port provided in a central portion and a top surface portion of a front surface of a main body and a blower outlet provided in a lower portion, and rotating to the blower outlet. A left / right airflow direction vane and a vertical airflow direction vane freely supported, an auxiliary air outlet provided in an upper part of the front surface of the main body, and an auxiliary air passage connecting the auxiliary air outlet with a part of the suction port of the upper surface portion. , An auxiliary blower fan disposed in the auxiliary air passage, and during the heating operation, the air sucked from the suction port exchanges heat with the heat exchanger, and the blower fan causes the left and right wind direction plates to move left and right. While adjusting the wind direction, and adjusting the wind direction by the upper and lower wind direction plates to send out from the air outlet, the air sucked from a part of the suction port of the upper surface part is blown by the auxiliary air blowing fan to the auxiliary air outlet. It is characterized by sending from Air-conditioner. 2. The air conditioner according to claim 1, wherein an auxiliary left / right airflow direction plate is rotatably supported by the auxiliary air outlet. 3. The air conditioner according to claim 1, wherein an auxiliary vertical wind direction plate is rotatably supported by the auxiliary air outlet. 4. The air conditioner according to claim 1, wherein the auxiliary blower fan is a cross flow fan. 5. The air conditioner according to claim 1, wherein the auxiliary air passage comprises a curved air guide plate. 6. An opening portion that connects the auxiliary air outlet and the heat exchanger is provided in a lower portion of a wind guide plate that constitutes the auxiliary air passage, and when the auxiliary air outlet is closed by the auxiliary vertical wind direction plate. The air conditioner according to claim 1 or 5, wherein the air sucked from a part of the suction port of the upper surface part is guided from the opening part to the heat exchanger and the air passage.