JP2002276980A - Indoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an indoor unit, which hardly generates stagnation of cold or warm air in a room, and presents a comfortable indoor space. SOLUTION: In an oblong indoor unit body 1, there are provided a front panel 3 having a base 2, an inlet 4, upside and downside covers 5a, 5b respectively to cover openably upside and downside outlets 6a, 6b, and a slide cover 10 having meshes different in the vertical direction, provided vertically slidably to the front panel. A heat exchanger 8 is installed in opposition to the inlet in an air path 7 connecting the inlet and the upside and downside outlets, to which fans 9a, 9b are installed, respectively. For example in cooling a room, cool air can be supplied from the upside by opening the upside cover, and much indoor air is sucked from the downside of the inlet. Accordingly cool-air does not stagnate in the room, and a comfortable environment can be presented by sliding the slide cover vertically in accordance with an operation mode.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit of an air conditioner, and more particularly to an air conditioner having an air outlet provided with a cover which can be opened and closed vertically.

[0002]

2. Description of the Related Art Conventionally, an indoor unit of an air conditioner, as shown in a side sectional view of FIG. An indoor heat exchanger 8 and a cross flow fan 9 for blowing air conditioned by the indoor heat exchanger 8 to the outlet 6 are arranged in an air passage 7 connecting the outlet 6 with the air outlet 6. The deflecting plate 20 is provided, and the upward and downward wind direction deflecting plate 20 is directed upward during cooling operation and downward during heating to change the direction of the blown air up and down to provide a comfortable indoor temperature. Was. However, in the conventional configuration, since the suction port 6 is located above the air outlet 4, as shown in FIG. 8, cool air accumulates near the floor surface during cooling to form a cool air pool, and warm air increases during heating. Therefore, there is a problem that warm air is easily generated near the ceiling.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an indoor unit of an air conditioner which can solve the above-mentioned problems and can provide a comfortable indoor space in which a cold air pool and a warm air pool are hardly generated. The purpose is.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a vertically long base mounted on a wall, a front panel attached to the base, having a suction port on the front surface, and an outlet on the top and bottom. A slide cover that is provided slidably up and down at the inlet of the front panel, and has a finer grain than the front panel,
An air passage which covers the upper and lower outlets of the front panel and which is opened and closed in conjunction with the slide cover to form an indoor unit main body, and connects the suction port of the indoor unit main body to the upper and lower outlets; A heat exchanger is disposed opposite to the suction port, and a blower is disposed at each of the upper and lower outlets to form an indoor unit of an air conditioner.

[0005] The indoor unit of an air conditioner, wherein the front panel is provided with suction ports on the front and side surfaces and protrudes forward, and the heat exchanger is bent in a U-shape corresponding to the front panel. And

[0006] The fan of the blower is an indoor unit of an air conditioner that is a propeller fan.

The slide cover is driven by a motor, and the indoor unit of the air conditioner is controlled to rotate the motor forward and backward in an operation mode.

The upper and lower covers are an indoor unit of an air conditioner that is opened and closed by the slide cover.

The upper and lower ends of the slide cover are formed at the same angle as the opening angle of the upper and lower covers to form an indoor unit of an air conditioner.

[0010] An indoor unit of an air conditioner comprising a coarse bar provided on the front panel and a bar finer than the coarse bar provided on the slide cover.

[0011] An indoor unit of an air conditioner in which a finer bar than the bar of the slide cover is provided at the center of the slide cover.

The upper and lower ends of the narrow bar of the slide cover are
This is an indoor unit of an air conditioner formed at the same angle as the inclination angle of the two blowers.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an indoor unit of an air conditioner according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a sectional side view of a main part showing an embodiment of an indoor unit of an air conditioner according to the present invention, and FIG. 2 is an exploded perspective view of the main part. As shown in the figure, the indoor unit main body 1 is composed of a base 2 attached to a wall surface, and a front panel 3 projecting forward in a U-shape attached to the front of the base 2. Is provided with a suction port 4 composed of a coarse bar 3a. Two outlets 6 (an upper outlet 6a and a lower outlet 6) provided with an openable / closable upper cover 5a above the front panel 3 and an openable / closable lower cover 5b below.
b) is provided. The upper cover 5a and the lower cover 5
b is urged in the closing direction by a spring (not shown).

An air passage 7 connecting the suction port 4 and the air outlet 6 in the indoor unit main body 1 is formed in an arc shape corresponding to the shape of the front panel 3 at a position facing the suction port 4. Heat exchanger 8 which has gained a heat exchange area by
Blowers 9 (upper blower 9a, lower blower 9b) each having a propeller fan, which is a mixed flow fan, are arranged at predetermined inclination angles in the vicinity of the two blowout outlets 6 (upper blowout outlet 6a, lower blowout outlet 6b). . The front panel 3 is provided with a slide cover 10 having a bar 10a finer than the coarse bar 3a slidably up and down.

A rack gear 10c is provided inside one end of the slide cover 10. Meanwhile, the base 2
The rack gear 1 is attached to the rotation shaft 11a of the motor 11 provided in
The pinion gear 11c corresponding to 0c is attached.
By rotating the motor 11 forward and backward, the slide cover 10 is slid up and down on the front panel 3. The shape of the upper and lower ends of the slide cover 10 is formed at the same angle as the opening angle of the upper cover 5a and the lower cover 5b, and the upper cover 5a or the lower cover 5b is closely attached to the upper end or the lower end of the slide cover 10. Like that. Then, by the rotation of the motor 11,
The upper cover 5a is moved by the slide cover 10 which is moved up and down.
Alternatively, the lower cover 5b is opened and closed.

At the center of the slide cover 10, a narrower bar 10b is formed which is finer than the bar 10a, and the amount of air sucked through the bar 10b is determined by the bar 10b.
a so as to be smaller than the amount of air sucked through the a. Further, by making the boundary between the bar 10a and the narrow bar 10b the same as the inclination angle of the blower 9, for example,
When the slide cover 10 is slid upward,
Are arranged corresponding to the upper outlet 6a, the narrow bar 10b is disposed above the inlet 4, the bar 10a is disposed thereunder, and the coarse bar 3a is disposed therebelow.

The operation of the above configuration will now be described. FIGS. 3, 4, and 5 are external views from the side for explaining the operation. FIG.
FIG. 5 shows the position of the slide cover during heating. FIG. 6 is a diagram showing the flow of indoor air, in which FIG. 6A shows a cooling operation, and FIG. 6B shows a heating operation.
When stopped, the slide cover 10 is located at the center of the front panel 3 as shown in FIG. That is, when the stop mode is selected, the motor 11 is rotated forward or backward, and the pinion gear 1 provided on the rotating shaft 11a is rotated.
1c is rotated, and the rotational force is transmitted to a rack gear 10c provided inside one end of the slide cover 10,
The slide cover 10 including the rack gear 10c is moved upward or downward. The position of the slide cover 10 is detected by, for example, an optical sensor (not shown),
The slide cover 10 is located at the center of the front panel 3. When the slide cover 10 is positioned at the center of the front panel 3 in this way, the air outlet 6 is closed by the upper cover 5a and the lower cover 5b, and dust can flow from the air outlet 6 into the room even during a long-term operation stop state. It does not enter the unit body 1.

During cooling, the slide cover 10 is positioned above the front panel 3 as shown in FIG. That is, when the cooling mode is selected, the motor 11 is rotated forward, the pinion gear 11c provided on the rotating shaft 11a is rotated forward, and the rotational force is
The slide cover 10 provided with the rack gear 10c is transmitted to the rack gear 10c provided inside one end of the “0”, and moves upward. Then, the slide cover 1
0 pushes up the upper cover 5a to open the upper outlet 6a, and when an upper limit sensor (not shown) detects the upper limit, the motor 11 is stopped. Thus, the slide cover 10
Is slid upward, and as described above, the bar 10a of the slide cover 10 is disposed corresponding to the upper outlet 6a, the narrow bar 10b is disposed above the suction port 4, and the bar 10a, the coarse bar 3a is arranged below it.
In this manner, from the upper side of the suction port 4 to the lower side,
Since the b, the bar 10a and the coarse bar 3a are sequentially arranged, the suction amount can be increased from the upper portion to the lower portion of the suction port 4, and as shown in FIG. By blowing out the cool air from the upper outlet 6a while sucking the cool air in a well-balanced manner so as not to form a cool air pool, it is possible to perform a cooling operation that can provide a comfortable indoor environment.

During heating, the slide cover 10 is positioned below the front panel 3 as shown in FIG. That is, when the heating mode is selected, the motor 11 rotates in the reverse direction, the pinion gear 11c provided on the rotating shaft 11a rotates in the reverse direction, and the rotational force is applied to the slide cover 1.
The slide cover 10 provided with the rack gear 10c is transmitted to the rack gear 10c provided inside one end of the “0” to move the slide cover 10 downward. Then, the slide cover 1
0 lifts the lower cover 5b to open the lower outlet 6b, and when the lower limit sensor (not shown) detects the lower limit, the motor 11 is stopped. Thus, the slide cover 10
Is slid downward, and as described above, the bar 10a of the slide cover 10 is disposed corresponding to the lower outlet 6b, and the narrow bar 10b is disposed below the suction port 4, and the bar 10a, the coarse bar 3a is arranged thereon.
In this manner, the narrow cross 10
Since the b, the bar 10a and the coarse bar 3a are sequentially arranged, the suction amount can be increased from the lower portion to the upper portion of the suction port 4, and as shown in FIG. By blowing the warm air in a well-balanced manner and preventing the formation of a warm air pool and blowing out the warm air from the lower outlet 6b, a heating operation that can provide a comfortable indoor environment can be performed.

[0020]

As described above, according to the indoor unit of the air conditioner according to the present invention, a vertically long base to be mounted on a wall surface, a front surface attached to the base, and having a suction port on the front face and an outlet on the top and bottom. A panel, and a slide cover that is vertically slidably provided at a suction opening of the front panel, and a slide cover finer than the front panel, and a vertical cover that is placed over the vertical outlet of the front panel and opens and closes in conjunction with the slide cover. An indoor unit main body is formed with the cover, and a heat exchanger is disposed in the air passage connecting the suction port of the indoor unit main body and the upper and lower outlets, facing the suction port, and the upper and lower outlets are provided. Since the respective blowers are provided, the slide cover can be slid up and down in accordance with the operation mode, and, for example, at the time of cooling, the upper cover is opened to blow cool air from above. By sucking more room air from below the suction port, eliminating the interior of the cool air reservoir, it is possible to provide a comfortable environment.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a main part of an embodiment of an indoor unit of an air conditioner according to the present invention.

FIG. 2 is an exploded perspective view of a main part showing an embodiment of the indoor unit of the air conditioner according to the present invention.

FIG. 3 is a view for explaining a stopping operation of the indoor unit of the air conditioner according to the present invention, and is an external view as viewed from a side.

FIG. 4 is a diagram for explaining a cooling operation of an indoor unit of the air conditioner according to the present invention, and is an external view as viewed from a side.

FIG. 5 is a view for explaining a heating operation of the indoor unit of the air conditioner according to the present invention, and is an external view as viewed from a side.

6 is a diagram showing the flow of indoor air in the indoor unit of the air conditioner according to the present invention. FIG. 6A shows a cooling operation, and FIG. 6B shows a heating operation.

FIG. 7 is a side sectional view showing a main part of an indoor unit of a conventional air conditioner.

8A and 8B are diagrams showing a flow of indoor air in an indoor unit of a conventional air conditioner, in which FIG. 8A shows a cooling operation and FIG. 8B shows a heating operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Indoor unit main body 2 Base 3 Front panel 3a Coarse bar 4 Suction port 5a Upper cover 5b Lower cover 6 Outlet 6a Upper outlet 6b Lower outlet 7 Air passage 8 Heat exchanger 9 Blower 9a Upper blower 9b Lower blower 10 Slide cover 10a Bar 10b Narrow Bar 10c Rack Gear 11 Motor 11a Rotary Shaft 11c Pinion Gear

Claims (9)

[Claims] 1. A vertically elongated base mounted on a wall, a front panel attached to the base, having a suction port on a front face, and an outlet on an upper and lower side, and provided vertically slidably at a suction port of the front panel. A slide cover finer than the front panel, and an upper and lower cover that covers the upper and lower air outlets of the front panel and that opens and closes in conjunction with the slide cover, form an indoor unit main body, and the suction port of the indoor unit main body. An indoor unit for an air conditioner, wherein a heat exchanger is disposed in an air passage connecting the upper and lower outlets to face the suction port, and a blower is disposed in each of the upper and lower outlets. 2. The apparatus according to claim 1, wherein the front panel is provided with suction ports on the front and side surfaces thereof and protrudes forward, and the heat exchanger is bent in a U-shape corresponding to the front panel. The indoor unit for an air conditioner according to claim 1. 3. The indoor unit of an air conditioner according to claim 1, wherein the fan of the blower is a propeller fan. 4. The indoor unit of an air conditioner according to claim 1, wherein the slide cover is driven by a motor, and the motor is controlled to rotate forward and backward in an operation mode. 5. The indoor unit of an air conditioner according to claim 1, wherein the upper and lower covers are opened and closed by the slide cover. 6. The air conditioner according to claim 1, wherein upper and lower ends of the slide cover are formed at the same angle as an opening angle of the upper and lower covers. Indoor unit. 7. The slide panel according to claim 1, wherein a coarse bar is provided on the front panel, and a finer bar is provided on the slide cover. 6. The indoor unit of the air conditioner according to 5. 8. The indoor unit of an air conditioner according to claim 7, wherein a narrower bar than the bar of the slide cover is provided at a central portion of the slide cover. 9. The indoor unit of an air conditioner according to claim 8, wherein upper and lower ends of the narrow bar of the slide cover are formed at the same angle as the inclination angle of the two blowers.