JPH07120012A - Outdoor apparatus of air conditioner - Google Patents

Abstract

PURPOSE:To improve the heat exchange efficiency by designing the sides of the body of an outdoor apparatus, except the top side and the bottom side, to bound a passageway for air sucked in and exhausted. CONSTITUTION:An outdoor apparatus comprises a body 1 having a bottom plate 2 and a top plate 3, a blower-holding plate 4 erected in the front of the body 1, blowers 5a, 5b attached to the blower-holding plate 4, and an outdoor heat exchanger 6 which is placed in such a manner as to form inner spaces at the parts of the front of the body 1 excluding the blower-holding plate 4 and at the two lateral sides and rear side respectively of the body 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner which improves the heat exchange efficiency by making the side surfaces of the outdoor unit body excluding the upper surface and the lower surface the air intake and exhaust surfaces.

[0002]

2. Description of the Related Art For example, a split type air conditioner is
It is composed of an indoor unit that is placed on the indoor wall, etc. and an outdoor unit that is placed near the outdoor outer wall or on the veranda, but due to the recent demand for compactness, the indoor unit and the outdoor unit are made thinner. Is designed. Such a thin outdoor unit design of the air conditioner adopts an L-shaped outdoor heat exchanger, and does not use the heat exchange surface as the rear surface like the conventional one, but rather the rear surface and one side surface. Is used as the heat exchange surface, the heat exchanger can be made thin while maintaining the same capacity as the conventional heat exchanger.

[0003]

In the outdoor unit of the air conditioner described above, the outdoor unit of L-shape is arranged and the rear surface and one side surface are used as the heat exchange surface, so that the outdoor unit can be made thinner. You can, but the front and other sides where the blower is placed have a cabinet attached and only function as a box,
In order to increase the capacity of the outdoor heat exchanger, the height must be increased to increase the heat exchange surface, and there is a limit to downsizing the thin outdoor unit. In addition, by disposing the L-shaped outdoor heat exchanger, there is no freedom to take out the pipes, and therefore a large number of outdoor units cannot be continuously installed.

The present invention has been made in view of the above-mentioned points, and an air conditioner having a larger heat exchange surface without increasing the height of the outdoor heat exchanger, which is more compact and has a large degree of freedom in taking out pipes. It is intended to provide an outdoor unit of.

[0005]

An outdoor unit for an air conditioner according to the present invention comprises an outdoor unit body having a bottom plate and a top plate, a blower mounting plate erected in front of the outdoor unit body, and the blower mounting plate. And an outdoor heat exchanger arranged so as to form an internal space on both sides and the rear surface of the outdoor unit body except the blower mounting plate.

The outdoor unit of the air conditioner of the present invention is characterized in that the blower mounting plate is pivotally attached to the outdoor unit main body so as to be openable and closable.

Further, the outdoor unit of the air conditioner of the present invention is characterized in that the packed valve is arranged in the outdoor unit main body, and the top plate or the bottom plate of the outdoor unit main body is provided with a hole for passing a pipe. .

Further, the outdoor unit of the air conditioner of the present invention is characterized in that the electric component box is movably arranged in the upper part of the outdoor unit body, and the electric component box is fixed to the outdoor unit body by the fixing means. And

[0009]

In the outdoor unit of the air conditioner of the present invention, the outdoor heat exchanger is arranged on the front side of the outdoor unit main body except the blower mounting plate, both side surfaces and the rear surface, and the heat of the outdoor heat exchanger is By increasing the size of the exchange surface, it is possible to arrange the outdoor heat exchanger having a low height and to have a compact shape, and it is not necessary to mount a cabinet on the side surface.

Further, by pivotally attaching the blower mounting plate to the outdoor unit main body so as to be openable and closable, the wiring connection to the terminals is facilitated and the internal inspection and adjustment are facilitated.

Further, the packed valve is arranged in the outdoor unit main body, and the top plate or the bottom plate of the outdoor unit main body is provided with the hole for passing the pipe, so that the degree of freedom of the pipe connection with the indoor unit is increased.

Further, by movably disposing the electric parts box in the upper part of the outdoor unit body, the electric parts will not be short-circuited due to the intrusion of rainwater, and the inspection such as service will be facilitated.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing an outdoor unit of an air conditioner according to the present invention. This outdoor unit body 1 has a rectangular bottom plate 2 and a top plate 3, and a blower mounting plate 4 is provided on the bottom plate 2. Two blowers 5a and 5b are attached to the blower mounting plate 4 at intervals in the vertical direction. Further, the outdoor heat exchanger 6 is arranged so as to form a front portion, both side surfaces, and a rear surface of the outdoor unit main body 1 excluding the blower mounting plate 4 standing upright on the front surface of the outdoor unit main body 1. As shown in FIG. 4, the outdoor heat exchanger 6 is an integrally-molded product having a substantially U-shaped cross-section with its tip end portion bent inward. The outdoor heat exchanger 6 may be a combination of two halves 6a and 6b as shown in FIG.
A compressor 8 and an accumulator 9 forming a refrigeration cycle are arranged in an internal space 7 defined by the outdoor heat exchanger 6, and the compressor 8 and the outdoor heat exchanger 6 are connected to each other by a pipe (not shown). ..

An electric parts box 10 as shown in FIG. 3 is movably arranged inside and on the upper side of the blower mounting plate 4 provided on the front surface of the outdoor unit body 1.
The electric component box 10 is fixed to the outdoor unit body 1 by a normal fixing means. Terminals 11, 11 ... For various electric parts are arranged on the front surface of the electric part box 10. A packed valve 12 is arranged on the upper surface of the bottom plate 2 of the outdoor unit body 1, and piping holes 13 and wiring holes 14 are formed at appropriate positions on the bottom plate 2. The piping hole 13 may be provided in the top plate 3.

The two blowers 5a and 5b provided on the blower mounting plate 4 are, as shown in FIG.
It is attached via the motor bases 20, 20 which are installed horizontally. As shown in FIGS. 7 and 8, the motor base 20 is fixed by inserting both ends into the openings of the flange portions 4a provided on both sides of the blower mounting plate 4, and the screw holes of the blower mounting plate 4 are inserted. It is temporarily fixed to the blower mounting plate 4 with the screws 21 and 21. These screws 21 and 21 are also used to attach the blower mounting plate 4 to columns 23 and 24 described later.

Further, one side of the blower mounting plate 4 is shown in FIG.
As shown in FIG. 2, the hinges 22 and 22 are fixed, and these hinges 22 and 22 are one of the two pillars 23 and 24 standing upright on the front side of the bottom plate 2 of the outdoor unit body 1.
The blower mounting plate 4 is pivotally attached to the outdoor unit main body 1 by being screwed to. The outdoor heat exchanger 6 is fixed to the columns 23 and 24 by a normal fixing means.
In this case, when the outdoor heat exchanger 6 is divided into two as shown in FIG. 5, the column 25 standing upright on the back side of the bottom plate 2 becomes unnecessary.

Further, as shown in FIG. 10, the electric parts box 10 has pins 26 provided at the rear end portions of both side walls 10a and a top plate 3 as shown in FIG.
It is fixed to the outdoor unit main body 1 by inserting it into the slit 28 extending in the front-rear direction of the support plate 27 fixed to the lower surface of the above, and screwing the front end portion to the two columns 23 and 24.

Next, the procedure for assembling the outdoor unit will be described. First, the refrigeration cycle constituent member including the compressor 8 and the accumulator 9 is arranged at a predetermined position on the bottom plate 2 of the outdoor unit body 1.

Next, as shown in FIG. 9, the two columns 23, 2 erected on the front side of the bottom plate 2 of the outdoor unit body 1.
The two half bodies 6a and 6b of the outdoor heat exchanger 6 are fixed to the column 4 and one column 25 provided upright on the rear surface. In this case, if the outdoor heat exchanger 6 is a one-piece molded product, the back support 2
5 is unnecessary. After fixing the outdoor heat exchanger 6 on the bottom plate 2, the outdoor heat exchanger 6 is covered with the top plate 3. The top plate 3 is fixed by being screwed to the two columns 23, 24 on the front side and one column 25 on the back side.

Next, the blower mounting plate 4 to which the two blowers 5a and 5b are temporarily fixed is pivotally attached to the support column 23 by attaching the hinges 22 and 22 provided on the blower mounting plate 4 to the support column 23. When the blower mounting plate 4 is pivotally attached to the support column 23, as shown in FIG. 7, the blower mounting plate 4 is fixed to the two support columns 23 and 24 together with the motor base 20 with screws 21 and 21. As a result, the two blowers 5a and 5b provided on the blower mounting plate 4 are arranged at predetermined positions with respect to the outdoor heat exchanger 6.

Next, as shown in FIG. 10, the electric parts box 10 is provided with slits 28 extending in the front-rear direction of a support plate 27 having pins 26 provided at the rear ends of both side walls 10a fixed to the lower surface of the top plate 3. It is inserted and the front end of the electric component box 10 is screwed to the two columns 23 and 24. This completes the assembly of the outdoor unit.

For repair and inspection of the refrigeration cycle constituent members of the outdoor unit, the screws 21 and 21 for fixing the blower mounting plate 4 to the two columns 23 and 24 are removed, and the blower mounting plate 4 pivotally attached to the column 23 is shown in FIG. As shown in FIG. 2, the worker moves the front side, and the worker puts his / her hand into the internal space of the outdoor heat exchanger 6 from the portion opened by the blower mounting plate 4. In this case, for repair and inspection of various electric parts provided in the electric parts box 10, the screws for fixing the front end portions to the columns 23 and 24 are removed, and the electric parts box 10 is centered around the pins 26 as shown in FIG. The front end can be moved downward, and the electrical parts box 1
0 is pulled out forward along the slit 27 of the support plate 27.

However, since the outdoor heat exchangers are arranged on the front surface, both side surfaces, and the rear surface, except for the blower mounting plate 4 standing upright on the front surface of the outdoor unit body 1, the surface area of the heat exchanger is Can be large, eliminating the need for side cabinets. In addition, since it is possible to install one row of outdoor heat exchangers, the ventilation resistance for passing the outdoor heat exchangers is reduced, and along with this, a small blower can be used, which reduces noise. Also becomes smaller.

Also, by connecting the blower mounting plate 4 to the outdoor unit body 1 so as to be freely openable and closable, the wiring connection to the terminals 11 of the electric component box 10 becomes easy, and the inside of the outdoor unit body 1 is inspected. Adjustment becomes easy.

Further, the packed valve 12 is arranged in the outdoor unit body 1, and the bottom plate 2 or the top plate 3 of the outdoor unit body 1 is provided with the hole 13 through which the pipe is passed, whereby the pipe connection between the outdoor unit and the indoor unit is established. The degree of freedom of is increased.

Further, by arranging the electric parts box 10 movably in the upper part of the outdoor unit main body 1, the electric parts will not be short-circuited due to the intrusion of rainwater, and the inspection of service and the like will be facilitated.

[0027]

As described above, according to the present invention, the outdoor heat exchangers are arranged on the front portion, both side surfaces and the rear surface excluding the blower mounting plate provided on the front surface of the outdoor unit body. The heat exchange surface of the exchanger can be enlarged,
Therefore, the outdoor heat exchanger to be installed has a low height, so that it can be made compact and there is no need to mount a cabinet on the side surface.

Further, by pivotally attaching the blower mounting plate to the outdoor unit main body so as to be openable and closable, the wiring connection to the terminals is facilitated and the internal inspection and adjustment are facilitated.

Further, the packed valve is provided in the outdoor unit main body, and the top plate or the bottom plate of the outdoor unit main body is provided with a hole for passing a pipe, so that the degree of freedom of pipe connection with the indoor unit is increased.

By arranging the electric parts box movably in the upper part of the outdoor unit body, the electric parts will not be short-circuited due to the intrusion of rainwater, and the inspection such as service will be easy.

[Brief description of drawings]

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

FIG. 2 is a diagram showing a state in which a blower mounting plate of the outdoor unit is opened.

FIG. 3 is a diagram showing a state in which a blower mounting plate and a top plate of the outdoor unit are removed.

FIG. 4 is a diagram showing an outdoor heat exchanger of an outdoor unit.

FIG. 5 is a view showing a modified example of the outdoor heat exchanger of the outdoor unit.

FIG. 6 is a view showing the back side of a blower mounting plate of the outdoor unit.

FIG. 7 is a plan view of a blower mounting plate of the outdoor unit.

FIG. 8 is a diagram showing a relationship between a blower mounting plate and a motor base.

FIG. 9 is a view showing an assembled state of the outdoor unit of the air conditioner according to the present invention.

FIG. 10 is a view showing an electric component box portion of the outdoor unit.

FIG. 11 is a diagram showing the operation of the electrical component box of the outdoor unit.

[Explanation of symbols]

 1 Outdoor Unit Main Body 4 Blower Mounting Plate 5a, 5b Blower 6 Outdoor Heat Exchanger 10 Electrical Parts Box 11 Terminal 12 Packed Valve 13 Piping Hole 20 Motor Base 22 Hinge 23, 24, 25 Strut 26 Pin 27 Support Plate 28 Slit

Claims (4)

[Claims] 1. An outdoor unit main body having a bottom plate and a top plate, a blower mounting plate standing upright in front of the outdoor unit main body, a blower attached to the blower mounting plate, and a blower mounting front of the outdoor unit main body. An outdoor unit for an air conditioner, which includes a portion excluding a plate, both side surfaces, and an outdoor heat exchanger arranged so as to form an internal space on a rear surface. 2. The outdoor unit for an air conditioner according to claim 1, wherein the blower mounting plate is pivotally attached to the outdoor unit body so as to be openable and closable. 3. The air conditioner according to claim 1, wherein a packed valve is arranged in the outdoor unit main body, and a hole for passing a pipe is provided in a top plate or a bottom plate of the outdoor unit main body. Outdoor unit. 4. The electric component box is movably arranged in the upper part of the outdoor unit main body, and the electric component box is fixed to the outdoor unit main body by fixing means. The outdoor unit of the air conditioner described.