WO2011077860A1

WO2011077860A1 - Air conditioner

Info

Publication number: WO2011077860A1
Application number: PCT/JP2010/070405
Authority: WO
Inventors: 雅司 ▲高▼野; 圭松田
Original assignee: 三菱重工業株式会社
Priority date: 2009-12-25
Filing date: 2010-11-16
Publication date: 2011-06-30
Also published as: JP2011137566A; CN102449409B; CN102449409A

Abstract

Provided is an air conditioner which can be installed with simpler pipe connection work and easily maintained without the need for unnecessary structural changes and costs. An air conditioner (1) includes a vertically-long cabinet (2). An indoor heat exchanger and a drainage pan are disposed in an upper half region inside the cabinet (2), and an indoor fan (5) is disposed in a lower half region inside the cabinet (2). Refrigerant tubes (17, 18) from the indoor heat exchanger and a drainage hose (19) from the drainage pan extend to the lower half region along a side surface of the cabinet (2) and are connected to external tubes in the vicinity of an intake grill (3B) provided on both the left and right of an intake panel disposed on the front surface of the lower half region of the cabinet (2). The intake grill (3B) on the side where at least the refrigerant tubes (17, 18) and the drainage hose (19) extend is installed in such a way that inner end part thereof can be outwardly rotated using an outer end part thereof as a support point.

Description

Air conditioner

The present invention relates to an air conditioner in which a refrigerant pipe and a drain hose are connected to a pipe from outside on the inside of a suction panel and a suction grill provided on the lower half front surface of the cabinet.

As a floor-standing type air conditioner, a longitudinally long rectangular cabinet is provided, and an indoor fan such as a sirocco fan that sucks indoor air is placed in the lower half of the cabinet, and indoor air is placed in the upper half. An indoor heat exchanger that cools or heats and a drain pan are arranged, and a suction panel having suction grills on both the left and right sides is installed on the front surface of the lower half of the cabinet, and the front surface of the upper half In addition, an air conditioner having a configuration in which a blow-out panel provided with blow-out grills on both right and left sides is known (see, for example, Patent Documents 1 and 2).

In the air conditioner having such a configuration, the refrigerant pipe and the drain hose connected to the indoor heat exchanger and the drain pan are extended from the indoor heat exchanger and the drain pan to the lower half of the cabinet, and when the air conditioner is installed. Connected to external piping such as refrigerant piping from the outdoor unit that is taken in from the piping holes provided on either the left or right side of the lower part of the cabinet and drain piping that discharges the drain to the outside via flare joints in the cabinet It has become so.

Japanese Patent Laid-Open No. 2006-64216 (see FIGS. 1 to 7) JP 2008-185278 A (see FIGS. 1 to 7)

In the above air conditioner, an indoor fan such as a sirocco fan having an air suction port on the front side is arranged in the lower half of the cabinet, so that the refrigerant pipe and the drain hose are connected to the air suction port of the indoor fan. It is desirable not to be hung, and it is arranged along the side of the cabinet outside the fan case. For this reason, when connecting the refrigerant piping or drain hose when installing the air conditioner, the suction grills on both sides may interfere even if the front suction panel is removed.In this case, the suction grills must also be removed. There was a problem that it took time and effort.

On the other hand, in Patent Document 2, one end of the suction panel provided in the lower half of the cabinet is hinged to the cabinet body, and the other end side can be opened with the suction grille so that it can be opened at one time. An improvement in workability during maintenance has been disclosed. In this case, the wiring having the full width of the suction panel must be routed to the flap drive motor provided in the suction grille. In addition, there is a problem that the configuration is complicated and extra cost is required.

The present invention has been made in view of such circumstances, and can improve the workability during pipe connection work and maintenance work during installation, and an air conditioner that does not require extra structural changes and costs. The purpose is to provide.

In order to solve the above-described problems, the air conditioner of the present invention employs the following means.
That is, an aspect of the air conditioner according to the present invention includes a vertically long cabinet, an indoor heat exchanger and a drain pan are disposed in the upper half of the cabinet, and an indoor fan is disposed in the lower half. The refrigerant piping from the indoor heat exchanger and the drain hose from the drain pan are extended to the lower half along the side of the cabinet, and are provided on the left and right sides of the suction panel on the front of the lower half of the cabinet. An air conditioner connected to an external pipe in the vicinity of the suction grille, at least the suction grille on the side where the refrigerant pipe and the drain hose are extended, with the outer end serving as a fulcrum The end portion is rotatably installed on the outside.

According to the above aspect, among the suction grills provided on the left and right side portions of the suction panel on the front surface of the lower half of the cabinet, the suction grille on the side where at least the refrigerant pipe and the drain hose are extended has the outer end portion. Since the inner end is pivotably mounted on the outside with the fulcrum as a fulcrum, the suction grill is rotated outward when the air conditioner is installed and the refrigerant pipe and drain hose are connected to the external pipe. As a result, it is possible to perform piping connection work while ensuring a sufficient working space without removing the suction grille from the cabinet. Therefore, it is possible to save the trouble of removing the suction grill and the like, and it is possible to improve the installation property or the workability at the time of maintenance. In addition, the suction grill only has to be rotated outward with the outer end as a fulcrum, and even if a flap or its driving motor is provided, there is no need to change the structure of the suction grill. There is no cost.

Further, in the air conditioner of the above aspect, the suction grill is provided with a pair of upper and lower guide shafts, the guide shafts are provided on the upper and lower sides of the cabinet side, and obliquely so that the front end side is located outside. It is good also as a structure slidably fitted in a pair of rail groove extended in the front-back direction.

In this way, the suction grille is provided with a pair of upper and lower guide shafts, the guide shafts are provided at the upper and lower sides of the cabinet side, and are extended obliquely in the front-rear direction so that the front end side is located outside. When the suction grille is rotated outwardly during installation, the suction grille is rotated while being pulled outwards diagonally outward along the rail groove. The grille can be greatly opened outward by the amount of slanting rail grooves. Therefore, the work space can be widened accordingly, and the pipe connection work and the maintenance work can be made easier.

Furthermore, in the air conditioner having the above-described configuration, the guide shaft may have a cross-section with a cross-shaped cross-section.

By doing so, since the cross section of the guide shaft has a cross shape, when the suction grill is pulled out along the rail groove, by rotating the suction grill, the rail is located between the rail groove and the guide shaft. The gap can be secured and pulled out smoothly. Further, the suction grill can be firmly fixed without any play by rotating and fixing the suction shaft to a position where the guide shaft fits in the rail groove. Accordingly, both the operability and installation of the suction grill can be improved. In addition, since the guide shaft has a cross-shaped cross section and is thinned, there is no sinking in the shaft portion even if the guide shaft is molded integrally with the suction grille, thereby improving moldability. Can do.

Furthermore, in the air conditioner according to the aspect described above, the suction grill may be fixed to a predetermined position of the cabinet via a fixing portion except during installation or maintenance.

In this way, the suction grill is fixed at a predetermined position of the cabinet via a fixing part except during installation or maintenance, and therefore the suction grill is usually fixed to the predetermined part of the cabinet via a minimum fixing part. By fixing it in position, it can function as a suction grille, and during installation and maintenance, the suction grille can be easily rotated outward by removing the fixed part to ensure the required work area. it can. Therefore, the trouble of removing the suction grill can be saved, and the work at the time of installation and maintenance can be simplified.

According to the present invention, when the air conditioner is installed, when the refrigerant pipe and the drain hose are connected to the pipe from the outside, the suction grill is rotated outside, so that the work can be performed without removing the suction grill from the cabinet. Since the pipe can be connected with sufficient space, it is possible to save the trouble of removing the suction grill and the like, and it is possible to improve installation and workability during maintenance. In addition, the suction grill only has to be rotated outward with the outer end as a fulcrum, and even if a flap or its driving motor is provided, there is no need to change the structure of the suction grill. There is no cost.

1 is a perspective view of an air conditioner according to an embodiment of the present invention. It is a perspective view of the state which removed the suction panel provided in the lower half front surface of the air conditioner shown in FIG. It is a cross-sectional view of the lower half part of the air conditioner shown in FIG. FIG. 4 is a cross-sectional view of a state in which a suction grill is rotated outward in the lower half portion shown in FIG. 3.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 4.
FIG. 1 shows a perspective view of an air conditioner according to an embodiment of the present invention, FIG. 2 shows a perspective view with the suction panel removed, and FIG. A cross-sectional view is shown.
The vertically long floor type air conditioner 1 includes a rectangular cabinet 2 that is elongated in the vertical direction. The lower half of the front side of the vertically long cabinet 2 is provided with a suction panel 3 whose left and right sides are tapered surfaces with predetermined angles, and the upper half with left and right sides having predetermined angles. A blowout panel 4 having a tapered surface is provided.

In the lower half of the cabinet 2, an air filter (not shown) for removing dust in the air is detachably installed on the back side of the suction panel 3. An indoor fan such as a sirocco fan comprising a fan casing 7 provided with an air suction port 6 facing the suction panel 3 side, a fan motor 8 and an impeller 9 (see FIG. 3). 5 is arranged with the outlet port facing upward. Further, in the upper half of the cabinet 2, a vertically long fin-and-tube indoor heat exchanger (not shown) is arranged obliquely with the upper part on the back side and the lower part on the near side. Is provided with a drain pan (not shown).

A pair of left and

right suction grilles

3A and 3B are provided on the tapered surfaces of the left and right sides of the suction panel 3. The

suction grilles

3A and 3B have a pair of rectangular

air suction ports

10A and 10B that are opened in the vertical direction, and end edges on the

air suction ports

10A and 10B via vertical axes (not shown), respectively. The fulcrum is composed of vertical flaps 11 A and 11 B that are installed so that the other end edge side can be opened and closed rearward. The

vertical flaps

11A and 11B can be independently rotated via driving units such as stepping

motors

12A and 12B.

Also, a pair of left and right blow grills 4A and 4B are provided on the tapered surfaces of the left and right sides of the blow panel 4. The blow-out

grills

4A and 4B each have a pair of upper and lower rectangular

air blow openings

13A, 13B and 13C and 13D which are opened in the vertical direction, and a vertical axis in each of the

air blow openings

13A, 13B and 13C and 13D. It is comprised from the

vertical flap

14A, 14B and 14C, 14D which the other end edge side is installed so that opening and closing is possible forward with the one end edge side as a fulcrum via (illustration omitted). Each of these vertical flaps 14A to 14D can be independently rotated via a driving unit such as a stepping motor (not shown).

In addition, on the inner side of the

vertical flaps

14A, 14B and 14C, 14D provided in the

air outlets

13A, 13B and 13C, 13D, a plurality of horizontal plates, each of which can adjust the blowing direction of the temperature control air in the vertical direction. A louver (not shown) is pivotally installed manually or via a drive unit.

Further, a horizontal blowout opening 15 opened in the horizontal direction is provided at a lower portion of the blowout panel 4, and a horizontal flap 16 capable of opening and closing the opening is also provided in the horizontal blowout opening 15 independently. It is installed so as to be rotatable or slidable through a drive unit such as. A plurality of vertical louvers (not shown) that can adjust the blowing direction of the temperature-controlled wind in the left-right direction are installed in the horizontal blowing port 15 manually or via a drive unit. In FIG. 1, the

vertical flaps

11A and 11B, the vertical flaps 14A to 14D, and the horizontal flap 16 are all closed (stopped).

The lower half of the cabinet 2 is connected to two refrigerant pipes connected to an indoor heat exchanger installed in the upper half, that is, a gas side pipe 17 and a liquid side pipe 18, and a drain pan. The drain hose 19 is extended downward along the side surface of the cabinet 2 outside the fan case 7 of the indoor fan 5. When the air conditioner 1 is installed, the gas side pipe 17, the liquid side pipe 18 and the drain hose 19 are connected to the external refrigerant pipe and drain connected to the outdoor unit from the pipe hole 20 provided on the side surface of the cabinet 2. A drain pipe for discharging water to the outdoors is incorporated and is configured to be connected via a flare joint or the like.

At the time of the above-described piping work or maintenance thereof, as shown in FIG. 2, there is a case where the side suction grille 3B is obstructed only by removing the suction panel 3, and the pipe connection work or the like is difficult. . Therefore, a working space can be secured by allowing the suction grille 3B on the side close to the pipe connection position to rotate outwardly among the pair of left and

right suction grilles

3A and 3B.

As shown in FIGS. 3 and 4, the suction grill 3 B is rotatably supported on the cabinet 2 side via a pair of guide shafts 21 provided in the upper and lower portions of the suction grill 3 B and projecting in the vertical direction. ing. The guide shaft 21 is a shaft having a cross-shaped cross section, and is integrally formed with a resin suction grille 3B. The guide shaft 21 is fitted in a pair of upper and lower rail grooves 22 provided on the cabinet 2 side. The rail groove 22 is an elongated hole-shaped groove elongated in the front-rear direction, and is extended obliquely in the front-rear direction so that the front end side thereof is located outside.

Thus, the guide shaft 21 provided on the suction grill 3B is fitted in the rail groove 22 so as to be rotatable and slidable along the rail groove 22. Accordingly, as shown in FIG. 4, the suction grille 3B is configured to be pulled out obliquely forward by an amount corresponding to the length of the rail groove 22 and further rotated outward. Further, the suction grill 3B is provided with screw holes 23 for fixing the suction grill 3B to the cabinet 2 side at predetermined positions at two upper and lower positions. It is configured so that it can be fixed.

With the configuration described above, according to the present embodiment, the following operational effects can be obtained.
When installing the air conditioner 1, the refrigerant pipe from the outdoor unit is connected to the gas side pipe 17 and the liquid side pipe 18 from the indoor heat exchanger, and drain water is supplied to the drain hose 19 from the drain pan. It is necessary to connect a drain pipe that leads to the outside. This pipe connection is performed at a position close to the side surface in the lower half of the cabinet 2 by taking in external pipes from the pipe holes 20 provided in the lower part of the cabinet 2. For this reason, at the time of piping connection, as shown in FIG. 2, the suction panel 3 is removed, but this alone cannot secure a sufficient working space.

However, in this embodiment, the suction grille 3B on the side where the gas side pipe 17, the liquid side pipe 18, and the drain hose 19 are extended is provided so as to be slidable forward and rotatable outward. Therefore, as shown in FIG. 4, the suction grill 3 B can be drawn forward and further rotated outward. That is, the suction grille 3B fixed at a predetermined position via the screw 24 is rotated while the screw 24 is removed and the guide shaft 21 is slid forward along the rail groove 22 as shown in FIG. It can be moved to the 3B ′ position shown.

Thus, without removing the suction grill 3B from the cabinet 2, it is possible to secure a sufficient work space and perform pipe connection work. Therefore, it is possible to save the trouble of removing the suction grill 3B and the like, and it is possible to improve the installation property or the workability at the time of maintenance. Further, the suction grill 3B only needs to rotate while the outer end is used as a fulcrum while the inner end is pulled forward by a predetermined dimension to the outside. Even if a flap, a driving motor, or the like is provided, the structure of the suction grill 3B is specially changed. There is no need and no extra cost is incurred.

In particular, the suction grill 3B is provided with a pair of upper and lower guide shafts 21, and the guide shafts 21 are slidable in rail grooves 22 that extend obliquely in the front-rear direction so that the front end side is located on the outside. Therefore, when the suction grille 3B is rotated outward, the suction grille 3B is inclined by pulling it forward and obliquely outward along the rail groove 22, so that the suction grille 3B is inclined. It can be greatly opened outward. Therefore, the work area can be enlarged correspondingly, and the pipe connection work and the maintenance work can be made easier.

Further, since the guide shaft 21 has a cross-shaped cross section, when the suction grille 3B is pulled forward along the rail groove 22, the suction grille 3B is rotated so that the rail groove 22 and the guide are rotated. A clearance can be secured between the shaft 21 and the guide grille 3B can be pulled out smoothly, and when the suction grille 3B is fixed at a predetermined position, the guide shaft 21 is fixed to the rail groove 22 by turning it to a position where it is tightly fitted. Thus, it can be firmly fixed so that there is no backlash. Therefore, both the operability and installation of the suction grill 3B can be improved. Further, since the cross section of the guide shaft 21 has a cross shape and is thin, even if the guide shaft 21 is formed integrally with the suction grill 3B, there is no sink in the shaft portion, and the moldability is improved. Can be improved.

Further, since the suction grill 3B is fixed to a predetermined position of the cabinet 2 through a fixing portion such as a screw 24 except during installation or maintenance, the suction grill 3B is usually fixed to the cabinet 2 with a minimum fixing portion. The suction grille 3B can be made to function as a suction grille 3B, and at the time of installation or maintenance, the suction grille 3B can be easily rotated to the outside by removing the fixing part such as the screw 24, and the required work area can be set. Can be secured. Therefore, the trouble of removing the suction grill 3B can be saved, and the work at the time of installation and maintenance can be simplified.

In addition, this invention is not limited to the invention concerning the said embodiment, In the range which does not deviate from the summary, it can change suitably. For example, in the above-described embodiment, tapered surfaces are formed on both the left and right sides of the suction panel 3 and the blowing panel 4, and the

suction grilles

3A and 3B and the blowing

grilles

4A and 4B are provided on the tapered surfaces. It is not necessary to. Further, the suction grill 3B that can be rotated is fixed to the cabinet 2 side via screws 24, but this fixing portion does not have to be a screw, for example, a one-touch type slide claw, etc. It is desirable to use a means that can be fixed or removed with a minimum of operation.

DESCRIPTION OF SYMBOLS 1 Air conditioner 2 Cabinet 3

Suction panel

3A, 3B Suction grill 5 Indoor fan 17 Gas side piping (refrigerant piping)
18 Liquid side piping (refrigerant piping)
19 Drain hose 21 Guide shaft 22 Rail groove 23 Screw hole 24 Screw (fixed part)

Claims

A vertically long cabinet is provided, an indoor heat exchanger and a drain pan are arranged in the upper half of the cabinet, an indoor fan is arranged in the lower half, and the refrigerant piping from the indoor heat exchanger and the drain pan The drain hose extends along the side of the cabinet to the lower half and is connected to piping from outside in the vicinity of the suction grille provided on the left and right sides of the suction panel on the front side of the lower half of the cabinet. An air conditioner,
An air conditioner in which at least the suction grille on the side where the refrigerant pipe and the drain hose are extended is installed such that an inner end is rotatable outward with an outer end as a fulcrum.
The suction grille is provided with a pair of upper and lower guide shafts, the guide shafts are provided on the upper and lower sides of the cabinet side, and are extended obliquely in the front-rear direction so that the front end side is located outside. The air conditioner according to claim 1, wherein the air conditioner is slidably fitted in the rail groove.
The air conditioner according to claim 2, wherein the guide shaft has a cross-shaped cross section.
The air conditioner according to any one of claims 1 to 3, wherein the suction grill is fixed to a predetermined position of the cabinet via a fixing portion except during installation and maintenance.