JPH071102B2 - Air conditioner outdoor unit - Google Patents

Description

TECHNICAL FIELD The present invention relates to the configuration of a separation type air conditioner, and more particularly to the overall configuration of an outdoor unit.

[Prior Art] In recent years, the demand for outdoor units has become diversified and sophisticated as the prevalence of air conditioners has increased. In particular, it is important to improve the exterior mainly by improving the appearance of the product, improve serviceability due to the tendency to reduce the installation space, make the product body compact, and reduce noise.

As a conventional technique, there is a utility model 62-105432, a utility model 60-32539, a utility model 62-100426, and the like.
Fig. 9 is an external view showing a conventional outdoor unit disclosed in JP-A-32539, and Fig. 9 is a plan sectional view of Fig. 8. In the figure, (1) is an outdoor unit main body and a partition plate (2) is provided inside.
The left and right are divided into a heat exchange chamber (3) and a machine room (4) by means of an L-shaped fan and an axial flow fan (6) supported by a motor (5) in the left heat exchange chamber (3). A heat exchanger (7) is arranged. In the machine room (4) on the right side, a compressor (8), a refrigerant pipe (not shown), and an electric component (9) are vertically arranged. The outer shell of the main body (1) is a cabinet (1
0), top plate (11) and base plate (12),
Suction ports (13a) and (13b) facing the heat exchanger (7) are formed on the back surface and the left side surface of the cabinet (10). In addition, the front plate (1
The air outlet (14) facing the axial fan (6) is formed in 8). A circular outlet grill (17) is attached to the outlet (14), and has a structure in which a protective lattice is integrally formed concentrically.

Next, the operation will be described. During cooling or heating operation,
The axial fan (6) is rotated by the operation of the motor (5). Outdoor air is sucked in through the suction port (13a) on the rear side and the suction port (13b) on the left side surface, and when passing through the heat exchanger (7),
Heat is exchanged (heat absorption or heat dissipation), and the air is again discharged to the outside front through the air outlet (14) provided on the front plate.

When accessing the machine room for service, use the front panel (1
8) Remove and perform.

The front of the front plate (18) is an extension of the air outlet (14), and the space in front of the unit is secured when the unit is installed so that blowout air does not form a short cycle that wraps around the side inlet (13b). There is a need to.

Similarly, it is necessary to secure an appropriate installation space around the suction port (13b) on the left side so as not to impair the ventilation characteristics.

[Problems to be Solved by the Invention] Since the conventional outdoor unit is configured as described above, the intake port for outdoor air is located in a biased position with respect to the axial fan, and therefore the suction flow is also biased. Deteriorates aerodynamic characteristics. In addition, since the outlet is located on the left side of the unit body, the external appearance is unbalanced and the exterior is unsatisfactory. In addition, at the time of servicing, it is necessary to remove the electrical equipment room in order to service the compressor room, resulting in poor workability.

In addition, the suction port extends from the back to the side in an L-shape, and the blowout air is blown out linearly from the unit body in the horizontal direction. Therefore, in order to prevent a short cycle of ventilation at the time of installation, the left side or There was a problem that it required a large installation space such as opening the front wide.

The present invention has been made to solve the above-mentioned problems, and can improve the aerodynamic characteristics, make the unit body compact, improve the exterior and serviceability, and reduce the installation space. The purpose is to obtain an outdoor unit for an air conditioner.

[Means for Solving the Problem] The outdoor unit of the air conditioner according to the present invention has the following (1)
Alternatively, the means (2) is provided.

(1) An outdoor unit main body, a suction port that is provided on the entire or central portion of the rear plate of the unit main body and that sucks in outside air, and an air outlet that is provided on the front plate of the unit main unit and that discharges ventilated air forward. , A plate-shaped heat exchanger arranged on the entire rear surface of the unit body, and the outside air sucked from the suction port, which is arranged near the center of the unit body in the left-right and up-down directions. An outdoor unit for an air conditioner, comprising a fan that is discharged from an outlet after being replaced, and a compressor room and an electrical equipment room that are separately arranged on the left and right sides of the fan.

(2) The outdoor unit main body and the whole or central portion of the back plate of the unit main body, the suction port for sucking the outside air, and the peripheral portion of the front plate of the unit main body to diffuse the ventilation air to the surroundings. And a flat plate heat exchanger arranged on the entire rear surface of the unit body, and the outside air sucked from the suction port, which is arranged near the center of the unit body in the left-right and up-down directions. An air conditioner characterized by comprising a fan discharged from an outlet after heat exchange with the heat exchanger, and a compressor room and an electrical equipment room which are separately arranged on the left and right sides of the fan. The outdoor unit of the machine.

[Operation] The outdoor unit of the air conditioner according to the present invention has a flat plate-shaped heat generating unit at the center of the air passage that connects the suction port provided at the entire surface or the center of the back plate of the unit body and the air outlet provided at the front plate. Since the exchanger and the fan are installed, and the compressor room and the electrical equipment room are installed separately on the left and right sides of this air path, an air path that extends from the center of the back plate to the center of the front plate is formed. The ventilation characteristics are improved, the appearance is well balanced, the machine room and electrical equipment are easily accessible, and the serviceability is improved.

Moreover, since the air outlets are provided at the peripheral portion of the front plate to diffuse the ventilated air into the surroundings and discharge the air, there is no concern about the short cycle of ventilation even if the front space of the unit body is small. Installation space can be reduced.

Embodiment of the Invention Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an external view of an outdoor unit of an air conditioner according to an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side sectional view of the same, and FIG. 4 is aerodynamics of the same embodiment and a conventional example. It is a comparison figure of a noise characteristic. In FIGS. 1 to 4, (1) is an outdoor unit body of an air conditioner, which is a compression unit that is divided by a partition plate (2) on the left side and houses a compressor (8) and a refrigerant pipe (not shown). The machine room (4) and the electrical room (9) are located on the right side, and the fan motor (5) is located near the center in the left-right and up-down directions.
An axial fan (6) supported by is arranged. (3)
In the heat exchange chamber, the axial flow fan (6) and a flat plate-shaped heat exchanger (7) having a size corresponding to substantially the entire rear surface of the unit body (1) are installed inside the rear surface of the unit body (1). It is arranged. The outer shell of the unit body (1) is on the right side,
It is composed of a U-shaped cabinet (10) in which the left side surface and the top surface are integrally formed, a base plate (12), a back plate (16), and a front plate (18). An outdoor air suction port (13) facing the heat exchanger (7) is opened on almost the entire surface of the back plate (16). In the center of the front plate (18),
A circular casing (1 facing the axial fan (6)
5) is integrally formed, and further the casing (15)
The outlet (14) on the front side of the grille (17) has a grid pattern.
Is installed. The partition plate (2) is connected to the casing (15) to form an air passage. In this way, a straight air passage extending from the central portion of the back plate (16) of the unit body (1) to the central portion of the front plate (18) is formed, and the central axis is aligned with this air passage to form the heat exchanger ( 7) and an axial fan (6).

Next, the operation of the embodiment will be described. During cooling or heating operation, the axial fan (6) rotates due to the operation of the fan motor (5). Outdoor air is introduced into the unit body (1) from the back through the suction port (13), passes through the heat exchanger (7), and is heat-exchanged (heat absorption or heat dissipation) from the blow-out grill (17) of the air outlet (14). It is again blown out of the unit body (1). At this time, the flow of the outdoor air draws the same streamline as the left and right around the axial fan (6). Suction port (1
Since 3) is integrated on the back side, there is little space around the sides. When servicing, remove the front plate (18),
Access to the compressor room and electrical room from the front. In this case, since they are separated from each other, the compressor room can be accessed without removing the electrical equipment room.

FIG. 4 shows the relationship between the air flow rate and the noise with respect to the rotation speed of the fan motor (5) in comparison with the example and the conventional example based on the measured data.

As is clear from the figure, the air volume increases in this embodiment,
On the contrary, the noise is reduced and it is understood that the aerodynamic characteristics are improved.

Embodiment 2 Next, another embodiment of the present invention will be described with reference to FIGS.

FIG. 5 is an external view of another embodiment, FIG. 6 is a sectional view of the same plane,
FIG. 7 is a side sectional view.

In FIGS. 5 to 7, (1) to (16) are the same as those in the above embodiment, and the description thereof will be omitted.

A circular casing (15) facing the axial fan (6) is integrally formed at the center of the front plate (18),
Further, on the front surface of the front plate (18), there is provided a rectangular panel portion (19) having a size larger than the inner diameter of the casing (15), and a blowout grill (17) integrally formed with a lattice in the oblique direction of the entire circumference thereof. The blow-out panel (20) having is attached.
The partition plate (2) is connected to the casing (15) to form an air passage.

Next, the operation of another embodiment will be described. During cooling or heating operation, the axial fan (6) rotates due to the operation of the fan motor (5). Outdoor air is introduced into the unit body (1) from the back through the suction port (13), and the heat exchanger (7)
Through the blow-out grille (17) of the blow-out panel (20) and is again blown out of the unit body (1). At this time, the suction flow of the outdoor air draws the same streamline as the left and right around the axial fan (6). In addition, the blowout flow is the panel part (1
The direction is changed by 9) and the blowing grille (17) provided around this, and it is blown out in a diagonal direction in the entire front of the unit main body (1). Since the suction port (13) is arranged on the back side, the space around the side surface may be small, and by drawing the streamline of the pre-opening type, the front space may be small. At the time of service, the blow-out panel (20) and front plate (18) are removed to access the compressor room and the electrical equipment room from the front. In this case, since they are separated, the compressor room can be accessed without removing the electrical equipment room.

The ventilation characteristics of the other examples were almost the same as the ventilation characteristics of the example shown in FIG.

Further, although the air blower is shown as an axial flow fan in the embodiment and the other embodiments, the present invention is not limited to this, and any fan that satisfies the air blow function may be used.

Further, the compressor room and the electrical equipment room are not fixed to the illustrated positions in the embodiment, but the same effect can be obtained by arranging the two in reverse.

In addition, connect the suction port (13) to the rear plate (1) of the unit body (1).
Although the opening was made on almost the entire surface of 6), the back plate (1
You may open in the central part of 6).

[Advantages of the Invention] As described above, the outdoor unit of the air conditioner according to the present invention comprises: (1) an outdoor unit main body, and a suction port for sucking outside air, which is provided on the whole or central portion of the rear plate of the unit main body. An air outlet provided on the front plate of the unit body for discharging ventilated air to the front, a plate-shaped heat exchanger arranged on the entire rear surface of the unit body, and a horizontal center and a vertical center of the unit body. A fan disposed in the vicinity, which exchanges the outside air sucked from the suction port with the heat exchanger and then discharges from the blowout port, and a compressor chamber which is separately disposed on the left and right sides of the fan. Since it is equipped with an electrical equipment room, it has good ventilation characteristics, good appearance balance, improved serviceability, and a smaller installation space for the outdoor unit of the air conditioner. But There is an effect to be.

(2) The outdoor unit main body and the whole or central portion of the back plate of the unit main body, the suction port for sucking outside air, and the peripheral portion of the front plate of the unit main body to diffuse the ventilation air to the surroundings. And a flat plate heat exchanger arranged on the entire rear surface of the unit body, and the outside air sucked from the suction port, which is arranged near the center of the unit body in the left-right and up-down directions. After the heat is exchanged by the heat exchanger, the fan discharged from the outlet and the compressor room and the electrical equipment room, which are separately arranged on the left and right sides of the fan, are provided, so that the ventilation characteristics are good, In addition, the exterior unit of the air conditioner is well-balanced in appearance, improves serviceability, and further reduces the installation space.

[Brief description of drawings]

FIG. 1 is an external view showing an outdoor unit of an air conditioner according to an embodiment of the present invention, FIG. 2 is a sectional view of the same plane, FIG. 3 is a sectional view of the same side, and FIG. Aerodynamic-noise characteristics comparison with the outdoor unit, FIG. 5 is an external view showing another embodiment of the present invention, FIG. 6 is the same plane sectional view, FIG. 7 is the same side sectional view, and FIG. FIG. 9 is an external view showing a conventional air conditioner, and FIG. 9 is a sectional plan view of the same. In the figure, (1) is the outdoor unit body, (3) is the heat exchange chamber, (4) is the compressor chamber, (6) is the axial fan, and (7).
Is a heat exchanger, (9) is an electrical equipment room, (13) is a suction port, (1
4) is an outlet, (15) is a casing, (16) is a rear plate, (17) is an outlet grille, (18) is a front plate, (19) is a panel portion, and (20) is an outlet panel. In the figure, the same reference numerals indicate the same or corresponding parts.

Claims (2)

[Claims] 1. An outdoor unit body, a suction port provided on the whole or central portion of a rear plate of the unit body for sucking outside air, and a blower unit provided on the front plate of the unit body for discharging ventilation air to the front. An outlet, a plate-shaped heat exchanger arranged on the entire rear surface of the unit body, and the outside air sucked from the suction port arranged near the center of the unit body in the left-right and up-down directions. An outdoor unit for an air conditioner characterized by comprising a fan discharged from an outlet after heat exchange with the compressor, and a compressor room and an electric component room which are separately arranged on the left and right sides of the fan, respectively. . 2. An outdoor unit main body, an entire surface or a central portion of a rear plate of the unit main body, a suction port for sucking outside air, and a peripheral portion of the front plate of the unit main body, and ventilation air around the unit. An outlet that diffuses and emits
A flat plate heat exchanger is arranged on the entire back surface of the unit body, and the outside air sucked from the suction port is heat-exchanged by the heat exchanger, which is arranged near the center of the unit body in the left-right and up-down directions. After that, an outdoor unit for an air conditioner comprising a fan discharged from the air outlet, and a compressor room and an electric equipment room which are separately arranged on the left and right sides of the fan.