JP2000329397A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To introduce warm air downward from an air outlet by shielding supply air not to be sucked through a suction opening at an upper front part and providing ventilator comprising a plurality of ventilation pieces coupled like a caterpillar thereby preventing the supply air from being sucked together with the indoor air. SOLUTION: A shield shields the supply air delivered from an air outlet 4 to the front of a front panel 2' forming the upper front thereof not to be sucked from a suction opening 3 at an upper front part. A plurality of ventilation pieces are formed as rectangular plates elongated laterally in order to introduce the air delivered from the air outlet 4 downward and provided with vertical interconnecting holes and a grasping part comprising a protruding piece 9d. A ventilator 9 comprises a string for coupling the plurality of ventilation pieces like a caterpillar through the interconnecting holes and a hoisting mechanism comprises a drum shaft for hoisting and winding the ventilator 9, and a spring for urging it in the rotational direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall-mounted air conditioner, and more particularly, to providing a shield at an upper portion of a front surface of an air outlet so that the blown air is short-circuited with indoor air. The present invention relates to a structure provided with a baffle device that prevents the air from being sucked from an air inlet and uses the shield to efficiently guide the warm air sent out from the air outlet downward during a heating operation.

[0002]

2. Description of the Related Art As shown in FIG. 8, for example, a conventional wall-mounted air conditioner is mounted on a base 1 constituting a main body and a front portion of the base 1, and has a suction port on an upper front surface and / or an upper surface. A front panel 2 provided with an outlet 4 at a lower portion of the front panel 3; a suction grille 5 constituting an inlet 3 at an upper front portion of the front panel 2; the inlet 3 and the outlet 4; And a heat exchanger 6 and a blower fan 7 are provided in an air passage connecting the two.

However, for example, during the cooling operation, the cool air exchanged by the heat exchanger 6 is supplied to the blower fan 7.
When the air is sent out from the outlet 4 in the horizontal direction, a part of the cool air (not shown) is short-circuited and sucked together with the room air from the suction port 3 in the upper part of the front surface to improve the heat exchange efficiency. There was a problem of lowering.

Alternatively, for example, during the heating operation, when the hot air exchanged by the heat exchanger 6 is sent downward from the blow-out port 4 by the blower fan 7, the blow-out warm air flow a 'is sufficiently supplied to the floor. There was a problem that comfortable air conditioning could not be achieved because the surface could not be reached.

[0005]

In the present invention, in view of the above problems, by providing a shield at the upper front of the outlet, the blown air is short-circuited and sucked from the inlet together with the room air. As well as
An object of the present invention is to provide a wall-mounted air conditioner provided with a wind guide device that efficiently guides warm air sent from the outlet during a heating operation by utilizing the shield.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a base constituting a main body, and is mounted on a front portion of the base and provided with a suction port on an upper front surface and / or an upper surface and blows down on a lower portion. It is composed of a front panel with an outlet, and a suction grill that constitutes a suction port at the top front of the front panel,
In an air conditioner provided with a heat exchanger and a blower fan in an air passage connecting the suction port and the air outlet, the air is sent out from the air outlet to a front portion of the front panel, which forms an upper front surface of the air outlet. A shielding body for shielding the blown air to be prevented from being sucked from the suction port at the upper portion of the front surface, and a blower that is fed downward from the wound drum shaft and guides the blown air sent from the blowout port downward. A plurality of air guide pieces formed in a substantially rectangular plate shape elongated in the left-right direction and having communication holes penetrating in the vertical direction, and a connection connecting the plurality of air guide pieces in a caterpillar shape by communicating the communication holes. A wind guide made of a string, a protruding positioning piece that is locked to the upper edge of a base end portion of the fed wind guide and positions the wind guide in a predetermined position; Rotating the drum shaft and the drum shaft The winding mechanism comprising a biasing spring for biasing the rotational direction, has a baffle device comprising a storage portion for storing said electrically Futei rolled up by the winding mechanism, a structure in which a.

[0007] The shield is attached to the suction grill in a longitudinal direction of the outlet, and rotatably supports the drum shaft therein, and has a lower outlet for discharging the air guide below. And a drum cover that also serves as the housing section that houses the wind guide wound around the drum shaft.

The outlet comprises a front portion formed substantially parallel to a lower end portion of the front panel, and side portions connected to both sides of the front portion. The lower end is formed substantially flush with the lower end of the front panel.

Further, the front surface of the drum cover is formed in a curved shape along the outer shape of the wind guide wound around the drum shaft.

[0010] Further, parallel inclined surfaces which engage with each other are formed on the upper and lower portions adjacent to the plurality of wind guide pieces.

Further, the drum cover is formed integrally with the suction grill.

[0012]

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
As shown in FIGS. 4 (A) and 4 (B) and FIGS. 5 to 7, reference numeral 1 denotes a base constituting a wall-mounted air conditioner, and 2 denotes a base mounted on the front of the base 1. , With suction ports 3, 3 'on the front upper and / or upper face,
A front panel 2 'forming an upper front surface of the outlet 4; a suction grille 5 forming an upper inlet 3 of the front panel 2; 6 a suction grill 3, 3' A heat exchanger provided in an air passage connecting the air outlet 4 and
7 is a blower fan.

A front portion of the front panel 2 'which forms an upper front surface of the outlet 4 is provided for shielding air blown out from the outlet 4 from being sucked from the inlet 3 at the upper portion of the front. A shield, which will be described later, is formed in a substantially rectangular plate shape that is extended downward in the left-right direction so as to guide the air blown out from the wound drum shaft 8 downward and discharged from the air outlet 4 downward. A plurality of wind guide pieces 9a having a communication hole 9b penetrating therethrough and a handle portion comprising a projecting piece 9d,
The air guide 9 composed of a connecting string 9c that connects the plurality of air guide pieces 9a in a caterpillar shape by communicating with the communication holes 9b, and is locked to the upper edge of the base end portion of the fed air guide piece 9a. Protruding positioning piece 10c for positioning the wind guide 9 at a predetermined position
A winding mechanism including the drum shaft 8 that winds and winds up the wind guide body 9 and an urging spring 11 that urges the drum shaft 8 in the rotation direction; and accommodates the wind guide body 9 wound up by the wind up mechanism. A wind guide device A comprising
Thus, for example, during the cooling operation, the wind guide 9 is wound up and the heat exchanger 6
When the cool air that has undergone the heat exchange is deflected in a substantially horizontal direction by a wind direction changing plate rotatably supported by the outlet 4 and sent out by the blower fan 7, the sent cool air is short-circuited. The heat exchange efficiency is not reduced by being shielded so as not to be sucked from the suction port 3 in the upper part of the front surface. For example, during the heating operation, the warm air exchanged by the heat exchanger 6 is blown out by the blower. Exit 4
When the air is deflected downward by a wind direction changing plate rotatably supported by the fan and sent out by the blower fan 7, the wind guide 9 is fed downward from the wound drum shaft 8. The blowout warm air flow a shown by 15 sufficiently reaches the floor surface, so that the problem that comfortable air conditioning cannot be realized as in the prior art described above can be solved.

An inclined portion is provided above the positioning piece 10c.
With the provision of 10d, the wind guide 9 is easily extended.

A shield is provided on the intake grille 5 corresponding to the longitudinal direction of the outlet 4 so as to block air blown out from the outlet 4 from being sucked from the inlet 3 on the front side. And a discharge port for rotatably supporting the drum shaft 8 therein and discharging the air guide 9 below.
10a, and is constituted by a drum cover which also serves as the housing portion 10 for housing the air guide 9 wound around the drum shaft 8, whereby the shielding body also serves as the housing portion 10. Without having to separately provide these shields and the drum cover, respectively, the function of shielding the cold air flow during the cooling operation so as not to be short-circuited as described above, and The function as the accommodating portion 10 for accommodating the air guide 9 can be added to the drum cover.

The outlet 10a is connected to a front portion 10b formed substantially parallel to a lower end portion of the front panel 2 'forming the upper front surface of the outlet 4, and to both sides of the front portion 10b. The lower end of the front portion 10b and the lower end of the side portion are formed substantially flush with the lower end of the front panel 2 '. 10a is structured so as not to obstruct the cool air flow sent from the outlet 4 in a substantially horizontal direction.

Further, the front surface of the drum cover forming the accommodating portion 10 is formed in a curved shape along the outer shape (winding diameter) of the wind guide 9 wound around the drum shaft 8, so that The wind guide 9 can be wound up without useless gaps, and the design of the portion can be improved.

Further, parallel inclined surfaces 9e engaging with each other are formed on upper and lower portions adjacent to the plurality of air guide pieces 9a, so that the drum shaft 8 wound around the plurality of air guide pieces 9a is formed. When the tension is applied to the connecting string 9c by the own weight of the plurality of air guide pieces 9a when it is extended below the housing portion 10, the parallel inclined surfaces 9e smoothly engage with each other. As shown by reference numeral 2, the plurality of wind guide pieces 9a can be hung down as one piece of the wind guide body 9 having no irregularities or gaps.

The biasing spring 11 is formed of a mainspring, one end of which is engaged with a first engaging portion provided on the drum cover, and the other end of which is provided on a second shaft provided on the drum shaft 8. By locking to the stop,
The structure is such that the wind guide section 9 can be smoothly wound up, or the drum shaft 8 can be appropriately biased in the winding direction.

As shown in FIG. 4A, the mainspring is provided with a bottomed cylindrical spring accommodating portion 10 provided on at least one side of the drum cover corresponding to an outer peripheral portion thereof.
e, and the first locking portion is
And a bottomed cylindrical spring hook portion 10f continuously formed in a darma shape in communication with the end of the mainspring spring 11a.
However, it is configured to be bent into a substantially circular shape corresponding to the spring hooking portion 10f.

The second locking portion comprises a locking groove 8a formed in the drum shaft 8, while the other end 11b of the mainspring is substantially V-shaped corresponding to the locking groove 8a. The other end of the mainspring spring
11b is accurately locked in the locking groove 8a so that the drum shaft 8 can be urged smoothly in the rotation direction. Note that, instead of driving the drum shaft 8 in the rotation direction by the urging spring 11, FIG.
1 shows an embodiment using a drive motor 12 in which a drive shaft 12a is connected to a connection groove 8b provided in the drum shaft 8, thereby providing a more user-friendly structure.

Further, since the drum cover is formed integrally with the suction grille 5, the dimensions and shape can be accurately finished, and the structure is advantageous in terms of cost.

With the above configuration, FIGS. 1 to 3 and FIG.
As shown in FIGS. 4A and 4B and FIGS. 5 to 7, the blowout blown out from the blowout port 4 is provided at the front of the front panel 2 ′ forming the upper front surface of the blowout port 4. A shielding body for shielding air from being sucked from the suction port 3 at the upper part of the front face; and a blow-out air which is fed downward from the wound drum shaft 8 and discharged from the blow-out port 4 downward. A plurality of air guide pieces that are formed in a substantially rectangular plate shape that is long in the left-right direction so as to guide, and that have communication holes 9b that penetrate in the up-down direction.
And a connecting string 9c connecting the plurality of wind guide pieces 9a in a caterpillar (registered trademark) shape by communicating with the communication holes 9b, and a base end of the fed wind guide piece 9a. A protruding positioning piece 10c that locks the wind guide 9 at a predetermined position by being locked to the upper edge of the drum shaft; the drum shaft 8 that winds up and winds the wind guide 9; and urges the drum shaft 8 in the rotational direction. Since a wind guide device A including a wind-up mechanism including an urging spring 11 and a housing unit 10 that houses the wind guide body 9 wound up by the wind-up mechanism is provided, for example, during a cooling operation,
The wind guide 9 is wound up, and the cool air heat exchanged by the heat exchanger 6 is deflected in a substantially horizontal direction by a wind direction change plate rotatably supported by the air outlet 4, so that the blower fan 7. When the cold air is sent out, the short circuit prevents the cold air from being sucked from the suction port 3 at the upper portion of the front surface, so that the heat exchange efficiency does not decrease. When the warm air exchanged by the exchanger 6 is deflected downward by a wind direction changing plate rotatably supported by the air outlet 4 and sent out by the blower fan 7, the wind guide 9 is wound. When the air is blown downward from the drum shaft 8, the blown warm air flow a shown in FIG. 15 sufficiently reaches the floor surface, and a comfortable air condition as in the prior art described above is achieved. The air conditioner to be able to resolve the problem can not be realized.

[0024]

As described above, according to the present invention, by providing a shield on the front upper portion of the outlet, the blown air is prevented from being sucked together with the room air from the inlet together with the short circuit. Utilizing the shield, a wall-mounted air conditioner provided with a wind guide device that efficiently guides the warm air sent out from the outlet during the heating operation downward.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a wall-mounted air conditioner according to the present invention, showing a state in which a wind guide unit is wound up.

FIG. 2 is a cross-sectional view of the wall-mounted air conditioner according to the present invention, showing a state in which a wind guide unit is extended.

FIG. 3 is a sectional view of a main part of the wall-mounted air conditioner according to the present invention.

4A and 4B are cross-sectional views of a main part of a wall-mounted air conditioner according to the present invention, wherein FIG. 4A shows an example and FIG. 4B shows another example.

FIG. 5 is a perspective view of a main part of the wall-mounted air conditioner according to the present invention.

FIG. 6 is a perspective view of a main part of the wall-mounted air conditioner according to the present invention.

FIG. 7 is a cross-sectional view showing a warm air flow during a heating operation by the wall-mounted air conditioner according to the present invention.

FIG. 8 is a cross-sectional view showing a warm air flow during a heating operation by a wall-mounted air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base 2, 2 'Front panel 3, 3' Inlet 4 Outlet 5 Suction grille 6 Heat exchanger 7 Blower fan A Baffle means 8 Drum shaft 8a Locking groove 8b Connection groove 9 Wind guide 9a First air guide 9b Communication hole of the first wind guide 9c Connecting cord 9d Projection piece 9e Inclined surface 10 Receiving part 10a Discharge exit 10b Front part of dispensation exit 10c Positioning piece 10d Inclined part 10e Spring accommodation part 10f Spring hook part 11 Spring spring (spring spring) 11a One end of the urging spring (spring spring) 11b The other end of the urging spring (spring spring) 12 Drive motor (stepping motor) 12a Drive shaft

Claims (6)

[Claims] 1. A base constituting a main body, a front panel mounted on a front portion of the base, and having a front upper and / or upper surface having a suction port and a lower portion having an air outlet, and a front upper part of the front panel. An air conditioner comprising a suction grille constituting a suction port, wherein a heat exchanger and a blower fan are provided in an air passage connecting the suction port and the air outlet, wherein the upper front surface of the air outlet is formed. On the front of the front panel,
A shielding member that shields the blow-out air sent from the blow-out port from being sucked from the suction port at the upper portion of the front face, and is fed downward from the wound drum shaft,
A plurality of baffle pieces formed in a substantially rectangular plate shape that is long in the left-right direction to guide the blown air sent out from the blowout port downward, and having a communication hole penetrating in the up-down direction, and the communication hole is communicated. A wind guide body comprising a connecting string for connecting the plurality of wind guide pieces in a caterpillar shape, and positioning the wind guide body at a predetermined position by engaging with a base end upper edge of the fed wind guide piece. A projecting positioning piece, a winding mechanism configured to wind and wind the wind guide and a biasing spring configured to bias the drum shaft in a rotational direction, and the wind guide wound up by the winding mechanism. An air conditioner, comprising: a wind guide device including a storage unit that stores therein. 2. The air outlet according to claim 1, wherein the shield is attached to the suction grill corresponding to a longitudinal direction of the air outlet, rotatably supports the drum shaft therein, and has a lower outlet for feeding the air guide below. The air conditioner according to claim 1, further comprising a drum cover that also serves as the storage unit that stores the air guide wound around the drum shaft. 3. A front opening formed substantially in parallel with a lower end of the front panel, and a side surface connected to both sides of the front surface. The air conditioner according to claim 1 or 2, wherein a lower end is formed substantially flush with a lower end of the front panel. 4. The air conditioner according to claim 2, wherein the front surface of the drum cover is formed in a curved shape along the outer shape of the wind guide wound around the drum shaft. . 5. An upper and lower part adjacent to the plurality of wind guide pieces,
The air conditioner according to claim 1, wherein parallel inclined surfaces that engage with each other are formed. 6. The air conditioner according to claim 1, wherein the drum cover is formed integrally with the suction grill.