JP2000009325A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mix and deliver heat-exchanged air and sucked indoor air through a bypass of a heat exchanger, in an air conditioner provided with an air inlet in a front upper part and an upper face and the air outlet in a front lower part, respectively. SOLUTION: This air conditioner is composed of a number of fins parallel disposed in an equally spaced manner in an air path connecting an air inlet 2 provided in a front upper part and an upper face of a front cover attached to a base composing a main body 1 to an air outlet 5 provided in a front lower part and a heat exchanger pipe disposed orthogonally to the fins. The air conditioner is provided with a heat exchanger 3 composed of a vertical part 3a, a backward slanting part 3b corresponding to an upper end part of the vertical part 3a that is bent backwards, and a lower slanting part 3c formed by slightly separating the fins backwards from the rear end of the backward slanting part 3b and by slanting them downwards, and a supply fan 4. In the separated part of the fins composed of the backward slanting part and the lower slanting part, an opening/closing means composed of a opening/closing plate 6 opening/ closing the separated part is provided, facing the air inlet of the upper face of the front cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having a suction port at an upper front portion and an upper surface, and an air outlet at a lower front portion. More specifically, the present invention relates to an air conditioner having heat exchanged from the air outlet. The present invention relates to a structure capable of mixing and sending indoor air sucked by bypassing a heat exchanger.

[0002]

2. Description of the Related Art As shown in FIG. 10, for example, a conventional air conditioner uses an upper air blower provided above and below a room air passing through a heat exchanger 3 provided substantially in the center of the front side of a main body 1. In the air blown into the room by the lower blower 7 and the lower blower 8, during the operation, the heat exchanger 3 is bypassed by the blowers 7 and 8 and heat is exchanged with the indoor air that is not heat-exchanged from the upper and lower outlets 5 and 6. In order to mix and blow out the room air with the suction side air passage 11, an indoor air introduction passage 13 including a gap portion 14 formed between the heat exchanger 3 and the discharge side air passage 12 is provided. 13
Japanese Patent Laid-Open Publication No. Sho 61-130820 discloses an apparatus provided with an on-off valve for opening and closing the valve, and has an effect that the temperature of the blown air can be adjusted by opening and closing the on-off valve.

However, in the conventional air conditioner described above, the heat exchanger 3 is provided substantially at the center of the front side in the main body 1, and the upper and lower blowers 7 and 8 are provided above and below the heat exchanger 3, respectively. In the basic configuration including the air outlet side air passage 12 and the upper and lower air outlets 5 and 6, the indoor air introduction passage 13 is formed between the heat exchanger 3 and the air outlet side air passage 12. Since the gaps 14 are formed, the height of the heat exchanger 3 is inevitably restricted so that the heat exchange capacity is reduced. Had a problem.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has a suction port on the upper front surface and an upper surface, and an air outlet on the lower front surface. It is an object of the present invention to provide an air conditioner capable of mixing and discharging mixed air and indoor air sucked by bypassing a heat exchanger.

[0005]

In order to solve the above-mentioned problems, a suction port provided on the upper front and upper surfaces of a front cover mounted on a base constituting a main body and an air outlet provided on a lower front surface are provided. The air passage to be connected is composed of a number of fins arranged in parallel at equal intervals and a heat transfer tube orthogonal to the fins, and a vertical portion and a rear inclined portion with its upper end bent rearward and the fin from the rear end. A heat exchanger comprising a downwardly inclined portion which is spaced slightly rearward and inclined downward, and a blower fan, wherein the rear inclined portion and the lower portion are faced to the suction port on the upper surface of the front cover. An opening / closing means for opening / closing the separated portion is provided at a separated portion between the fins forming the inclined portion.

The opening / closing means is constituted by an opening / closing plate rotatably supported by a support shaft provided at a lower portion of the upper surface of the base or the front cover.

The suction port provided on the upper surface of the front cover includes an opening formed in the front cover and a top suction grill mounted on the opening, and the opening / closing means includes: It is constituted by an opening / closing plate rotatably supported by a support shaft provided at a lower portion of the upper surface suction grill.

In addition, at least a substantially central portion of the open / close plate in the front-rear direction is supported by the support shaft.

Further, at least a front end portion or a rear end portion on both sides of the open / close plate is supported by the support shaft portion.

The opening and closing plate is pivotally supported so that the opening for opening and closing the separated portion can be adjusted.

In addition, an elastic seal member is provided at the front end and / or the rear end of the opening / closing plate which comes into contact with the fins when opening / closing.

Further, an elastic sealing member is integrally formed at a front end and / or a rear end of the opening / closing plate which comes into contact with the fin when opening / closing.

Further, a heat insulating member is attached to the opening / closing plate.

Further, the opening and closing plate is formed in a hollow shape.

Further, a drive motor for driving the opening / closing plate is attached to the base or the upper surface suction grill.

Further, the joint between the base and the front cover is located substantially at the center of the space between the fins.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. 1 to 3
4 (A) and 4 (B) and FIGS. 5 to 9, 1 is a wall-mounted air conditioner main body, and 1a is a main body 1 of the air conditioner.
1b is a front cover attached to the front of the base 1a, 1c is a front suction grille which forms a suction port described later on the front upper part of the front cover 1b, 2 is the front cover 1b
The suction port 3 provided on the upper and upper surfaces of the front surface is composed of a number of fins arranged in parallel at equal intervals and a heat transfer tube orthogonal thereto, and the vertical portion 3a and the upper end thereof are bent backward. A heat exchanger 4 comprising a rear inclined portion 3b and a downward inclined portion 3c which is inclined slightly downward with the fins spaced slightly rearward from the rear end, and a heat exchanger 4 for suction air exchanged by the heat exchanger 3 will be described later. The blower fan 5 for sending the air to the outlet is an outlet for blowing out the suction air heat exchanged by the heat exchanger 3 toward the room.

With the suction port 2 on the upper surface of the front cover 1b facing, the separation portion A of the fin constituting the rear inclined portion 3b and the lower inclined portion 3c is opened and closed to open and close the same. By providing the opening / closing means, there is no restriction that the height dimension of the heat exchanger 3 needs to be reduced unlike the above-described conventional air conditioner. So that the heat-exchanged air and the indoor air sucked by bypassing the heat exchanger 3 can be mixed and sent out from the outlet 5 without causing the problem that the air temperature decreases. It has become.

In the air conditioner of the present invention, the height of the lower inclined portion 3c when the rear inclined portion 3b and the lower inclined portion 3c are continuously bent without the separated portion A is formed. In contrast to the height dimension, the lower inclined portion 3c having the separated portion A has its height dimension reduced by positioning the portion B shown in FIGS. 1 to 3 slightly below. Can be accommodated in the main body 1 without
Therefore, as described above, the configuration is such that the heat exchange capacity is not reduced.

An opening / closing means for opening / closing the separation portion A is provided from an opening / closing plate 6 rotatably supported by a support shaft portion 7 provided at a lower portion of the upper surface of the base 1a or the front cover 1b. With this configuration, the opening / closing plate 6 can be rotated to open and close the separated portion A accurately. By opening the separated portion A, heat is exchanged from the blowout port 5. And the indoor air sucked by bypassing the heat exchanger 3 can be mixed and sent out. By closing the air, the air can be prevented from being sucked by bypassing the heat exchanger 3 and the suction can be performed. The structure is such that the suction air sucked in from the port 2 and heat-exchanged in the heat exchanger 3 can be sent out from the outlet 5.

Further, the suction port 2 provided on the upper surface of the front cover 1b is connected to an opening formed in the front cover 1b,
An opening / closing means for opening / closing the separated portion A is rotatably provided by a support shaft portion 7 provided at a lower portion of the upper surface suction grill 1d. The opening / closing plate 6 is pivotally supported, whereby the opening / closing plate 6 and the upper surface suction grill 1d are provided.
Can be easily and accurately assembled to the front cover 1b.

As shown in FIG. 2 as a first embodiment, at least a substantially central portion of both sides of the open / close plate 6 is supported by the support shaft portion 7 so that the open / close plate 6 is supported. , And pivots as shown by the broken line in FIG.
, The indoor air can be sucked in from the front and back of the opening / closing plate 6 as shown by a dashed arrow b, and the effect of the suction air passing through the heat exchanger 3 as shown by a solid arrow a can be obtained. It is configured so that it can be mixed together.

As shown in FIG. 3 as a second embodiment, at least the front end or the rear end of the open / close plate 6 is supported by the support shaft 7 so that the open / close plate 6 By rotating the opening portion A as shown by the broken line in FIG. 3, the indoor air can be sucked from the rear end or the front end of the opening and closing plate 6 as shown by the broken arrow b. As well as being able to mix effectively with the suction air that has passed through the heat exchanger 3, as indicated by the solid arrow a. The above-described opening and closing plate 6 described above with reference to FIG. 2 and the above-described opening and closing plate 6 described above with reference to FIG. Good.

The opening / closing plate 6 is pivotally supported so that the opening for opening and closing the separation portion A can be adjusted, so that the indoor air sucked in as indicated by a dashed arrow b and the heat exchanger 3 are connected. The mixing ratio with the suction air that has passed through is appropriately adjusted so that comfortable air conditioning can be realized.

Further, an elastic sealing member 6a made of synthetic resin or synthetic rubber is added to the front end and / or the rear end of the opening / closing plate 6 which comes into contact with the fin at the time of opening / closing using an adhesive or the like. With this arrangement, when the opening / closing plate 6 closes the separation portion A, the airtightness of the place is increased so that room air that does not pass through the heat exchanger 3 is not sucked, and the opening / closing plate 6 is closed. The front end and / or the rear end and the corresponding fins are not damaged.

The opening and closing plate 6 which comes into contact with the fin at the time of opening and closing is integrally formed with a sealing member 6a having elasticity, such as synthetic rubber, at the front end and / or the rear end. In the same manner as described above, when the separation portion A is closed by the opening / closing plate 6, the confidentiality of the location is increased and the fins are not damaged. Any one of the embodiments may be adopted accordingly.

As shown in FIG. 4A, a heat insulating member 6b is attached to the opening / closing plate 6 as an example of the third embodiment, so that heat is exchanged through the heat exchanger 3. The configuration is such that heat loss is prevented from occurring in the sucked air.

As shown in FIG. 4B, as another example of the third embodiment, the opening / closing plate 6 is formed in a hollow shape with a hollow portion 6c, so that the heat insulating member 6b In the same manner as described above, it is possible to prevent the suction air that has passed through the heat exchanger 3 and exchanged heat so as to prevent heat loss from occurring due to a cost-effective configuration that does not attach the heat sink. It has a configuration

The drive motor 8 for driving the opening / closing plate 6 is attached to the base 1a or the upper surface suction grill 1d, so that the opening / closing plate 6 is automatically rotated at an appropriate accurate rotation angle. It has a configuration that enables it.

Further, the base 1a and the front cover
By arranging the joint portion 1b at substantially the center of the separation portion A of the fin, the workability of assembling can be improved.

With the above configuration, FIGS. 1 to 3 and FIG.
(A), FIG. 4 (B), and FIG. 5 to FIG. 9, with the suction port 2 on the upper surface of the front cover 1b facing,
The open / close plate 6 rotatably supported by the support shaft 7 for opening and closing the separated portion A at the separated portion A of the fins constituting the rear inclined portion 3b and the lower inclined portion 3c. Since the opening / closing means is provided, there is no restriction that the height dimension of the heat exchanger 3 needs to be reduced unlike the conventional air conditioner described above, and thus the heat exchange capacity is reduced. An air conditioner in which the heat-exchanged air and the indoor air sucked by bypassing the heat exchanger 3 can be mixed and sent out from the outlet 5 without causing the problem of lowering. Machine.

[0032]

As described above, according to the present invention, in a device having a suction port on the upper front surface and an upper surface, and an air outlet on the lower front surface, the air and the heat exchanger which have exchanged heat from the air outlet are provided. The air conditioner is configured to be able to mix indoor air sucked through the bypass and send the mixed air.

[Brief description of the drawings]

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

FIG. 2 is a sectional view of a main part showing a first embodiment of the air conditioner according to the present invention.

FIG. 3 is a sectional view of a main part showing a second embodiment of the air conditioner according to the present invention.

FIGS. 4A and 4B are cross-sectional views of main parts showing a third embodiment of the air conditioner according to the present invention, wherein FIG. 4A shows an example and FIG. 4B shows another example.

FIG. 5 is an exploded perspective view of a main part of the air conditioner according to the present invention.

FIG. 6 is an exploded perspective view of a main part of the air conditioner according to the present invention.

FIG. 7 is a perspective view of a main part of the air conditioner according to the present invention.

FIG. 8 is a front view of the air conditioner according to the present invention.

FIG. 9 is an exploded perspective view of a main part of the air conditioner according to the present invention.

FIG. 10 is a cross-sectional view of a conventional air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 1a Base 1b Front cover 1c Front suction grill 1d Top suction grill 2 Suction port 3 Heat exchanger 3a Vertical section 3b Back slope section 3c Down slope section 4 Blow fan 5 Blow outlet 6 Opening / closing plate 6a Seal member 6b Insulation Member 6c Hollow part 7 Support shaft part 8 Drive motor A Separation part

Claims (12)

[Claims] 1. An air passage connecting an air inlet provided at an upper front surface and an upper surface of a front cover mounted on a base constituting a main body and an air outlet provided at a lower front surface thereof is arranged in parallel at equal intervals. A vertical inclined portion formed by a large number of fins and a heat transfer tube orthogonal thereto, a rear inclined portion having an upper end portion bent rearward, and a lower portion in which the fin is slightly inclined rearward from a rear end thereof and is inclined downward. A heat exchanger comprising an inclined portion and a blower fan are provided, facing a suction port on an upper surface of the front cover, and a separation portion between the fins constituting the rear inclined portion and the lower inclined portion, An air conditioner comprising an opening and closing means for opening and closing the separated portion. 2. The opening / closing plate according to claim 1, wherein the opening / closing means comprises an opening / closing plate rotatably supported by a support shaft provided at a lower portion of an upper surface of the base or the front cover. Air conditioner. 3. A suction port provided on an upper surface of the front cover includes an opening formed in the front cover, and an upper surface suction grill attached to the opening, and the opening / closing means includes: The air conditioner according to claim 1, further comprising an opening / closing plate rotatably supported by a support shaft provided at a lower portion of the upper surface suction grill. 4. The air conditioner according to claim 2, wherein the support shaft portion supports at least a substantially central portion in the front-rear direction of at least both sides of the open / close plate. 5. The air conditioner according to claim 2, wherein a front end or a rear end of at least both sides of the open / close plate is supported by the support shaft. 6. The air conditioner according to claim 2, wherein the opening / closing plate is pivotally supported so as to adjust an opening for opening and closing the separated portion. 7. The opening / closing plate according to claim 2, wherein an elastic sealing member is provided at a front end and / or a rear end of the opening / closing plate which comes into contact with the fins when the fin is opened and closed. Air conditioner. 8. The elastic member according to claim 2, wherein an elastic sealing member is integrally formed at a front end and / or a rear end of the opening / closing plate which comes into contact with the fin at opening / closing. Air conditioner. 9. The air conditioner according to claim 2, wherein a heat insulating member is attached to the opening / closing plate. 10. The air conditioner according to claim 2, wherein the open / close plate is formed in a hollow shape. 11. The air conditioner according to claim 3, wherein a drive motor for driving the opening / closing plate is attached to the base or the upper surface suction grill. 12. The air conditioner according to claim 1, wherein a joint between the base and the front cover is located substantially at the center of the separated portion of the fin.