JP2003004258A - Outdoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner having an air blowing passage for enhancing a heat exchanging efficiency of a heat exchanger. SOLUTION: The outdoor unit of an air conditioner having an inner side of a main body partitioned by a partition plate 4 vertically arranged on a base 3 into a heat exchanging chamber A and a compressor chamber B is provided with a heat exchanger 6 in the heat exchanging chamber A having a suction port 1 in at least its rear surface and a discharging port 2 in its front surface and a blower fan 7 arranged in opposition to the heat exchanger, and a compressor 5 in the compressor chamber B. The heat exchanger 6 is formed into a substantial U shape with a rear surface segment 6a, and side surface segments 6b, 6c and 6d having both side portions bent toward the front surface side, and a clearance between the partition plate 4 and the side surface segments 6c, 6d of the heat exchanger 6 extending along the partition plate 4 is formed such that the width at the suction port 1 is expanded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner, and more particularly, to a structure of an air blow passage for improving heat exchange efficiency of a heat exchanger.

[0002]

2. Description of the Related Art An outdoor unit of a conventional air conditioner is divided into a heat exchanger chamber A and a compressor chamber B by a partition plate 4 standing upright on a base 3 as shown in FIG. Then, in the heat exchanger chamber A having the suction port 1 on the back surface and one side surface, and the discharge port 2 on the front surface, the concave heat exchanger 6 composed of the back surface portion 6a and both side surface portions 6e, and the air blown opposite to the heat exchanger chamber 6 A fan 7 is provided, the compressor 5 is provided in the compressor chamber B, and an electrical equipment box 18 is provided above the compressor 5.

However, a part of the suctioned air sucked from the suction port 1 on the back surface has a small gap between the partition plate 4 and the side surface portion 6e of the heat exchanger 6 along the partition plate 4. However, there has been a problem that the wind speed at the location becomes slow and the heat exchange efficiency becomes poor.

In addition, Japanese Utility Model Publication No. 61-1597
In No. 79, "The space between the electrical component box and the outdoor heat exchanger,
A partition member for partitioning the air passage and the equipment room is formed by denting the partition member body below the electrical component box toward the equipment room in order to increase the air passage.

However, the above-mentioned published utility model publication Sho 6
The content described in No. 1-159779 is "Partition member (2
0) ”from the partition body (18) to the equipment room (compressor room)
Since the air is passed through the outdoor heat exchanger (2) and the recessed partition member (20), the suction air once collides with the electric component box (5). Since the structure is exhausted, ventilation performance could not be significantly improved.

[0006]

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide an outdoor unit for an air conditioner having an air blowing passage for improving the heat exchange efficiency of the heat exchanger. And

[0007]

In order to solve the above-mentioned problems, the present invention divides the inside of the main body into a heat exchanger chamber and a compressor chamber by a partition plate which is erected on a base, and at least a suction port at the back surface. In an outdoor unit of an air conditioner, which comprises a heat exchanger in the heat exchanger chamber having a discharge port on the front surface, a blower fan facing the heat exchanger, and a compressor provided in the compressor chamber. , The heat exchanger is formed in a substantially U-shape with a back portion and side portions bent at both sides thereof toward the front side, and the partition plate and the heat exchanger of the heat exchanger along the partition plate. The gap with the side surface portion is formed so as to widen on the suction port side.

Further, the widened portion is provided with respect to the partition plate.
The side surface of the heat exchanger along the partition plate is bent and formed to be inclined.

Further, the widened portion is provided with respect to the partition plate.
The front and rear ends of the side surface portion of the heat exchanger along the partition plate are formed by bending in a dogleg shape so as to be separated from the partition plate by a larger distance than between the central position and the partition plate. Correspondingly,
The main body has a suction port.

The partition plate is provided with an auxiliary partition plate facing the central position of the side surface of the heat exchanger bent in a V shape.

In the widened portion, the front and rear ends of the partition plate along the side surface of the heat exchanger are located between the central position and the side surface of the heat exchanger with respect to the side surface of the heat exchanger. While it is formed by bending it in a V shape so that it is spaced apart more than
The main body is provided with a suction port corresponding to the widened portion.

Further, an auxiliary partition plate facing the side surface of the heat exchanger is provided at the bent portion of the partition plate bent in a V shape.

An air guide body for guiding a part of the air sucked from the suction port to the side surface of the heat exchanger is provided between the partition plate and the side surface of the heat exchanger along the partition plate. It has been provided.

Further, the air guide member has a cross section formed by a parallel surface parallel to the partition plate and a facing surface which is continuously formed at one end of the parallel surface and whose front end faces the side surface of the heat exchanger. It is configured to be bent in a letter shape.

Further, the air guide body is formed in a curved shape so that the leading edge of the parallel surface faces the suction port and the leading edge of the facing surface faces the side surface portion of the heat exchanger. Has become.

Further, a plurality of the air guides are provided.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail as examples based on the drawings. FIG. 1 is a plan view showing a first embodiment of an outdoor unit of an air conditioner according to the present invention, and FIG. 2 is a plan view showing a second embodiment of an outdoor unit of an air conditioner according to the present invention. 3 is a plan view showing a third embodiment of the outdoor unit of the air conditioner according to the present invention, and FIG.
[FIG. 8] is a perspective view of an essential part showing a third embodiment.

As shown in the drawing, the outdoor unit of the air conditioner according to the present invention divides the inside of the main body into a heat exchanger room A and a compressor room B by a partition plate 4 standing on a base 3, In the heat exchanger chamber A having a suction port 1 on the back surface and one side surface and a discharge port 2 on the front surface, a back surface portion 6a and both side surface portions 6b, 6c, 6
A substantially concave heat exchanger 6 composed of d and 6e and a blower fan 7 facing the heat exchanger 6 are provided, a compressor 5 is provided in the compressor chamber B, and an electric component box 18 is provided above the compressor 5. It has been configured.

As shown in FIG. 4, one side of the electrical component box 18 is open and penetrates the partition plate 4, and a radiator 19 is placed in the opening 18a facing the heat exchanger chamber A. It is configured with.

As shown in FIG. 1 as a first embodiment, the heat exchanger 6 includes a rear surface portion 6a, one side surface portion 6b bent at a right angle with one side thereof facing the front side, and other portions. Is formed in a substantially concave shape with the other side surface portion 6c that is bent in an obtuse angle with the front side facing the front surface side, and between the other side surface portion 6c of the heat exchanger 6 and the partition plate 4, the suction port on the rear surface of the main body is formed. The first side is configured to widen.

As a result, the suction air sucked from the suction port 1 provided on one side surface of the main body passes through the one side surface portion 6b of the heat exchanger 6 which is opposed to the suction air.
Further, the suction air sucked from the suction port 1 provided on the rear surface of the main body passes through the rear surface portion 6a of the heat exchanger 6 and the other side surface portion of the heat exchanger 6 along the partition plate 4. It is evenly guided to 6c and passes through it, so that the heat exchange efficiency of the heat exchanger 6 as a whole can be improved.

Further, the front end of the partition plate 4 is made to be close to the front end of the other side surface portion 6c of the heat exchanger 6, and the partition is provided near the front end of the other side surface portion 6c of the heat exchanger 6. The parallel portion 6d bent parallel to the plate 4 is continuously formed,
Between the partition plate 4 and the other side surface portion 6c of the heat exchanger 6, a part of the air sucked from the suction port 1 on the rear surface of the main body is guided to the other side surface portion 6c of the heat exchanger 6. In this configuration, a plurality of first air guides 8 are provided.

The first air guide member 8 is formed continuously with a parallel surface 8a parallel to the partition plate 4 and one end of the parallel surface 8a, with its tip edge facing the other side surface portion 6c of the heat exchanger 6. Facing opposite 8b
And is bent in a substantially V-shaped cross section, or the front end edge of the parallel surface 8a faces the suction port 1 and
Since the tip edge of 8b is formed in a curved shape so as to face the other side surface portion 6c of the heat exchanger 6, a part of the air sucked from the suction port 1 on the rear surface of the main body is replaced by the heat exchanger 6b. It becomes possible to guide efficiently toward the other side surface portion 6c.

As a second embodiment, as shown in FIG. 2, the heat exchanger 6 includes a back surface portion 6a and one side surface portion 6b which is bent at a right angle with one side thereof facing the front side. The other side is formed in a substantially concave shape with the other side surface portion 6c that is bent in a V shape toward the front side so that the central portion is close to the partition plate 4, and the heat exchanger 6
Between the other side surface part 6c and the partition plate 4, the suction port 1 side of the main body rear surface and the front surface side of the main body are formed to be widened, and the front side of the main body is formed with the widened portion. Correspondingly, a suction port 1'comprising a suction hole 1b 'and a baffle plate 1a' is provided.

As a third embodiment, as shown in FIG. 3, the heat exchanger 6 is formed in a concave shape with the back surface portion 6a and both side surface portions 6e, and the side surface portion 6e of the heat exchanger 6 and the side portion 6e. Between the partition plate 4 and the partition plate 4, the front and rear ends of the partition plate 4 are formed in a dogleg shape so that the front and rear ends of the partition plate 4 are separated from each other by a larger distance than between the center position and the side surface part 6e of the heat exchanger 6. While being bent and formed into a suction hole 16b in the main body, the suction hole 16b corresponds to the widened portion.
And a suction port 16 composed of a baffle plate 16a.

Between the partition plate 4 composed of the front and rear inclined portions 4c and the side surface portion 6e of the heat exchanger 6, a part of the air sucked from the suction ports 1 and 16 is exchanged with the heat. A plurality of second air guides 17 for guiding to the side surface portion 6e of the vessel 6 are provided.

The second air guide member 17 has parallel surfaces 17a and 17b 'parallel to the inclined portion 4c in front of and behind the partition plate 4, and parallel surfaces 17a and 17b.
The front air guide 17 is formed continuously at one end of 17b ', and is formed by bending the front end edge to the side surface 6e of the heat exchanger 6 and the facing surfaces 17b and 17a', each of which has a substantially V-shaped cross section. 'And the rear baffle
17 "or the parallel planes 17a, 17a
The tip edge of b ′ faces the suction port 1, and the facing surface 17b,
Since the tip edge of 17a 'is formed in a curved surface so as to face the side surface portion 6e of the heat exchanger 6, the suction port 1 and
A part of the air sucked from 16 can be guided more efficiently toward the side surface portion 6e of the heat exchanger 6.

Further, as shown in FIG. 2, the partition plate 4
The other side surface portion of the heat exchanger 6 that is bent in a V shape
By providing an auxiliary partition plate 4d facing each other at the central positions of 6c and 6d ', or as shown in FIG. 3, the partition plate 4 is composed of front and rear inclined portions 4c bent in a V shape. By providing the auxiliary partition plate 4d facing the side surface portion 6e of the heat exchanger 6 in the bent portion, the air sucked from the back surface and the front surface of the main body does not collide with each other, The side faces 6c, 6d 'and 6e are smoothly passed and discharged from the discharge port 2.

[0029]

As described above, according to the present invention,
The outdoor unit of the air conditioner has a blower passage configured to improve the heat exchange efficiency of the heat exchanger.

[Brief description of drawings]

FIG. 1 is a plan view showing a first embodiment of an outdoor unit for an air conditioner according to the present invention.

FIG. 2 is a plan view showing a second embodiment of the outdoor unit of the air conditioner according to the present invention.

FIG. 3 is a plan view showing a third embodiment of the outdoor unit for an air conditioner according to the present invention.

FIG. 4 is a perspective view of essential parts showing a third embodiment of the outdoor unit for an air conditioner according to the present invention.

FIG. 5 is a plan view of an outdoor unit of an air conditioner according to a conventional example.

[Explanation of symbols]

1,1 ', 16 suction port 1a ', 16a baffle 1b ', 16b suction holes 2 outlet 3 base 4 partition boards 4c slope 4d auxiliary partition board 5 compressor 6 heat exchanger 6a rear part 6b One side part 6c Other side part 6d parallel part 6e Side part 7 Blower fan 8 First guide 8a parallel surface 8b facing surface 17 Second wind guide 17a Parallel surface 17b Opposing surface 17 'front baffle 17 "rear air duct 17a 'facing surface 17b 'parallel surface 18 Electrical equipment box 18a opening 19 radiator A heat exchanger room B compressor room

Claims (10)

[Claims] 1. A heat exchanger chamber in which the main body is divided into a heat exchanger chamber and a compressor chamber by a partition plate which is erected on a base, and which has a suction port on at least a back surface and a discharge port on a front surface. In the outdoor unit of the air conditioner, which is provided with a heat exchanger and a blower fan facing the heat exchanger, and in which the compressor chamber is provided with a compressor, the heat exchanger has a back surface part and both side parts thereof. Formed in a substantially U-shape with the side surface portion bent toward the front surface side, the interval between the partition plate and the side surface part of the heat exchanger along the partition plate,
An outdoor unit for an air conditioner, wherein the suction port side is formed so as to widen. 2. The widened portion is bent and formed with respect to the partition plate so that a side surface portion of the heat exchanger along the partition plate is inclined. Air conditioner outdoor unit. 3. The widened portion is arranged such that the front and rear ends of the side surface portion of the heat exchanger along the partition plate are separated from the partition plate by a larger distance than between the central position and the partition plate. The outdoor unit for an air conditioner according to claim 1, wherein the outdoor unit of the air conditioner is formed by bending in a letter shape, and the main body is provided with a suction port corresponding to the widened portion. 4. The partition plate is provided with an auxiliary partition plate facing the central position of the side surface portion of the heat exchanger bent in a V shape. Air conditioner outdoor unit. 5. The widened portion is such that, with respect to a side surface portion of the heat exchanger, front and rear ends of the partition plate along a side surface portion of the heat exchanger are located between a central position and a side surface portion of the heat exchanger. The air conditioner according to claim 1, wherein the main body is provided with a suction port corresponding to the widened portion while being bent to be formed in a V shape so as to be spaced apart from the main body. Outdoor unit of the machine. 6. The auxiliary partition plate facing the side surface of the heat exchanger is provided at a bent portion of the partition plate bent in a V shape. Air conditioner outdoor unit. 7. An air guide member for guiding a part of air sucked from the suction port to a side surface portion of the heat exchanger between the partition plate and a side surface portion of the heat exchanger along the partition plate. The outdoor unit for an air conditioner according to any one of claims 1 to 6, wherein the outdoor unit is provided. 8. The cross section of the air guide member is defined by a parallel surface parallel to the partition plate and a facing surface which is continuously formed at one end of the parallel surface and has a tip edge facing a side surface portion of the heat exchanger. The outdoor unit for an air conditioner according to claim 7, wherein the outdoor unit is formed in a bent shape. 9. The air guide body is formed in a curved shape so that a front end edge of the parallel surface faces the suction port and a front end edge of the facing surface faces a side surface portion of the heat exchanger. The outdoor unit for an air conditioner according to claim 7, wherein. 10. The outdoor unit for an air conditioner according to claim 7, wherein a plurality of the air guides are provided.