JP2000179893A - Outdoor machine for split air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor machine for a split air conditioner, which is unified in a wind velocity distribution and improved in ventilating performance, by securing sufficiently a distance between a heat exchanger and a shielding plate for a duct. SOLUTION: A duct formed between a heat exchanger 3 and a shielding plate 4 is provided with a wind velocity unifying part 13 and a distance between the heat exchanger 30 and the shielding plate 4 in the wind velocity unifying part 13 is specified so that the wind speed of air passing through the part of the heat exchanger 3, which is faced to the wind velocity unifying part 13, is equalized substantially to that of air passing through the other part of the heat exchanger 3, which is opposed to the fan 1. According to this method, air, flowing through the wind velocity unifying part 13 upon sucking the same into the fan 1 through the heat exchanger 3 when the fan 1 is rotated, is guided smoothly into the fan 1 whereby the distribution of wind velocity, passing through the heat exchanger 3, is unified and ventilating performance can be improved.

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 a separate type air conditioner equipped with a heat pump for cooling and heating.

[0002]

2. Description of the Related Art FIG. 5A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to a conventional example. FIG.
5B is a cross-sectional view taken along line VI-VI of FIG.
FIG. 5C is a sectional view taken along line VII-VII in FIG. In FIG. 5A, an outdoor fan (hereinafter, referred to as “fan”) 1 rotated by a motor 2 is disposed in front of a U-shaped heat exchanger 3, and an orifice 10 is
Is surrounded.

In front of the orifice 10, a front grill 5 is provided.
Is arranged. The heat exchanger 3 is surrounded by an outer box (outdoor unit main body) 7, and the outer box 7 allows air to flow. The air passages 11, 1 are provided between the heat exchanger 3 and the shielding plate 4.
2 are formed. Reference numeral 6 denotes an electrical component storage unit, and 9 denotes a component storage unit. As shown by arrows in FIGS. 5A and 5B,
By the suction of the fan 1, the air passes through the heat exchanger 3 and is discharged to the outside of the front grill 5 through the orifice 10.

[0004]

However, in the conventional outdoor unit of the separate type air conditioner as described above, as shown in FIGS. 5 (a) and 5 (b), heat exchange between the air passages 11 and 12 is performed. The distances W8 and W9 between the vessel 3 and the shielding plate 4 were not sufficiently long.

For this reason, the air volume in the air passages 11 and 12 is smaller than that behind the outdoor fan 1, and the wind speed distribution when the wind speed of the air passing through the heat exchanger is viewed longitudinally or transversely is not uniform. , The air blowing performance was deteriorated.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. A separate type in which the distance between the heat exchanger and the shielding plate is sufficiently ensured to make the wind speed distribution uniform and improve the blowing performance. It aims at providing an outdoor unit of an air conditioner.

[0007]

To achieve the above object, an outdoor unit of a separate type air conditioner according to the present invention comprises a heat exchanger, a fan disposed in front of the heat exchanger, and a fan. An orifice surrounding the outer periphery, a shielding plate facing the heat exchanger, and air formed between the heat exchanger and the shielding plate, the air having passed through the heat exchanger due to the suction force of the fan, the orifice An outdoor unit of a separate type air conditioner, comprising: a wind path leading to a portion surrounded by the wind path, wherein the wind path has a wind speed uniforming portion, and the heat exchanger and the shield of the wind speed uniforming portion. The distance between the plate and the wind speed of the air passing through the heat exchanger in a portion facing the wind speed uniforming portion and the wind speed of the air passing through the heat exchanger in a portion facing the fan are substantially the same. Characterized by the same distance According to the outdoor unit of the separate type air conditioner as described above, since the wind speed distribution of the air passing through the heat exchanger is uniform, the blowing performance can be improved.

[0008] In the outdoor unit of the separate type air conditioner, the wind speed of the air passing through the heat exchanger in a portion facing the wind speed uniforming portion and the wind speed in the portion facing the fan through the heat exchanger in the portion facing the fan. The difference from the wind speed of the flowing air is about 1 m /
It is preferably within s.

It is preferable that the wind speed equalizing portion is formed at least above or below the fan. According to the outdoor unit of the separate type air conditioner as described above, a sufficient air volume can be secured in the space above or below the fan, so that the wind speed distribution of the air passing longitudinally through the heat exchanger is uniform. And the blowing performance can be improved.

[0010] It is preferable that the wind speed uniforming portion is formed at least on the right or left side of the fan. According to the outdoor unit of the separate type air conditioner as described above, a sufficient amount of air can be secured in the space on the right or left side of the fan, so that the wind speed distribution of the air passing across the heat exchanger is uniformized. The blowing performance can be improved.

The distance between the heat exchanger and the shielding plate in the wind speed uniforming portion is larger than the distance between the heat exchanger and the heat exchanger side of the fan. Or it is preferable that they are substantially the same.

It is preferable that the heat exchanger is U-shaped, and a rising portion of the heat exchanger forming the U-shaped shape faces the wind speed uniforming portion. Further, it is preferable that a rectifying plate is disposed in the wind speed uniforming portion. According to the outdoor unit of the separate type air conditioner as described above, it is possible to suppress wind turbulence in the wind speed uniforming portion, and the air in the wind speed uniforming portion is more smoothly guided to the fan, The wind speed distribution of the air passing through the heat exchanger can be further uniformed, and the blowing performance can be further improved.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. 1A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to Embodiment 1 of the present invention. FIG. 1B is a cross-sectional view taken along line II of FIG. 1A. In FIG. 1A, a fan 1 rotated by a motor 2 is disposed in front of a U-shaped heat exchanger 3, and an orifice 10 surrounds the fan 1. Orifice 10
A front grille 5 is arranged in front of the front grille. Further, the heat exchanger 3 is surrounded by an outer box 7, and the outer box 7 allows air to flow. In the lower part of the fan 1, a heat exchanger 3
A wind speed uniforming portion 13 which is an air path is formed between the airflow path and the shielding plate 4.

The wind speed equalizing portion 13 has a sufficient size, and of the wind speed of the air passing through the heat exchanger 3, the wind speed of the portion facing the fan 1 and the wind speed equalizing portion 13 are different from each other. The distance W1 between the heat exchanger 3 and the shielding plate 4 is ensured so that the wind speed of the portion that has been made is substantially the same. The difference between the wind speed of the portion facing the fan 1 and the wind speed of the portion facing the wind speed uniforming portion 13 is preferably within about 1 m / s. More specifically, the distance W1 is greater than the distance W2 between the heat exchanger 3 and the heat exchanger 3 side of the fan 1,
Or it is preferable that they are substantially the same.

For this reason, when the motor 2 operates and the fan 1 rotates, the air passing through the heat exchanger 3 from the back side of the outer box 7 is sucked into the fan 1 as shown by the arrow in FIG. However, the air flowing through the uniform wind speed portion 13 is smoothly guided to the fan 1.

As described above, according to the present embodiment, a sufficient amount of air can be ensured in the space below the fan 1, and the wind speed of the air passing vertically through the lower portion of the heat exchanger 3 is equal to that of the fan 1. Since the air velocity can be made uniform so as to be substantially the same as the wind speed of the opposing portion, the air blowing performance can be improved.

(Embodiment 2) FIG. 2A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to Embodiment 2 of the present invention. FIG. 2 (b) is a cross-sectional view of FIG.
It is sectional drawing in the II line. Components having the same configuration as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

Between the heat exchanger 3 and the shielding plate 4, a wind speed uniforming portion 14 which is an air path is formed. Heat exchanger 3
Of the rising portions 3a and 3b forming the U-shape, the right rising portion 3a faces the wind speed uniforming portion 14. For this reason, the air that has passed through the rising portion 3a flows through the wind speed uniforming portion 14 as shown by an arrow in FIG.

In the present embodiment, the heat exchange of the air passing through the heat exchanger 3 is performed such that the wind speed of the portion facing the fan 1 and the wind speed passing through the rising portion 3a are substantially the same. The distance W3 between the container 3 and the shielding plate 4 is maintained. The difference between the wind speed at the portion facing the fan 1 and the wind speed passing through the rising portion 3a is preferably within about 1 m / s. The distance W3 is preferably larger than or substantially equal to the distance W4 between the heat exchanger 3 and the heat exchanger 3 side of the fan 1.

For this reason, when the motor 2 operates and the fan 1 rotates, the air passes through the heat exchanger 3 from the back side of the outer box 7 and is sucked into the fan 1, but the air flowing through the uniform wind speed portion 14 Is smoothly guided to the fan 1. That is, since the wind speed of the air passing transversely through the U-shaped rising portion of the heat exchanger 3 can be made uniform so as to be substantially the same as the wind speed of the portion facing the fan 1, it is possible to improve the blowing performance. it can.

(Embodiment 3) FIG. 3A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to Embodiment 3 of the present invention. FIG. 3 (b) shows the II of FIG. 3 (a).
FIG. 3C is a sectional view taken along line I-III, and FIG.
FIG. 4 shows a cross-sectional view taken along line IV-IV. Components having the same configuration as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 3A, in the right part of the fan 1, similarly to the second embodiment, a wind speed equalizing portion 15 as an air passage is provided between the heat exchanger 3 and the shielding plate 4. Is formed. The right rising portion 3a of the U-shaped rising portions 3a and 3b of the heat exchanger 3 faces the wind speed uniforming portion 15. For this reason, the air that has passed through the rising portion 3a flows through the wind speed uniforming portion 15 as shown by the arrow in FIG.

The wind speed equalizing portion 15 has a sufficient size, and among the wind speed of the air passing through the heat exchanger 3, the wind speed of the portion facing the fan 1 and the rising portion 3a
Heat exchanger 3 so that the wind speed passing through
A distance W5 between the shield and the shielding plate 4 is ensured. The difference between the wind speed at the portion facing the fan 1 and the wind speed passing through the rising portion 3a is preferably within about 1 m / s. Distance W5
Is preferably greater than or substantially equal to the distance W7 between the heat exchanger 3 and the heat exchanger 3 side of the fan 1.

As shown in FIG. 3 (b), the lower portion of the fan 1 has a wind speed equalizing portion 16 which is an air passage between the heat exchanger 3 and the shielding plate 4, as in the first embodiment. Are formed. The wind speed equalizing portion 16 has a sufficient size, and of the wind speed of the air passing through the heat exchanger 3, the wind speed of the portion facing the fan 1 and the wind speed of the portion facing the wind speed equalizing portion 16. Heat exchanger 3 so that the wind speed is almost the same
A distance W6 between the shield and the shielding plate 4 is secured. The distance W6 is preferably larger than or substantially equal to the distance W2 between the heat exchanger 3 and the heat exchanger 3 side of the fan 1.

In this embodiment, since the wind speed equalizing portion is formed on both the right side and the lower side of the fan 1, a sufficient air volume is ensured in the space below and on the right side of the fan 1. As a result, the wind speed distribution of the air passing longitudinally through the heat exchanger 3 and the wind speed distribution of the air passing transversely can be made uniform, and the blowing performance can be further improved.

(Embodiment 5) FIG. 4A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to Embodiment 5 of the present invention. FIG. 4 (b) is a cross-sectional view of FIG.
It is sectional drawing in a line. Components having the same configuration as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

The fifth embodiment differs from the first embodiment in that a rectifying plate 8 is provided. Rectifying plate 8
Is a part 1 for equalizing the wind speed between the heat exchanger 3 and the shielding plate 4.
3 is formed below. Since the rectifying plate 8 is provided in addition to the sufficient distance W1 being secured, wind turbulence in the space below the shielding plate 4 can be suppressed.

For this reason, the air in the wind speed uniforming portion 13 is more smoothly guided to the fan 1, and the wind speed distribution of the air passing longitudinally through the heat exchanger 3 can be further uniformed. In addition, the blowing performance can be further improved.

[0029]

As described above, according to the separate type air conditioner of the present invention, the wind speed of the air passing through the heat exchanger in the portion facing the fan and the wind path formed by the shielding plate are faced. Passing through the heat exchanger by having a wind speed equalizing part where the distance between the heat exchanger and the shielding plate is ensured so that the wind speed of the air passing through the heat exchanger of the part is almost the same The air velocity distribution can be made uniform,
Blow performance can be improved.

[Brief description of the drawings]

FIG. 1A is a horizontal sectional view of a separate type air conditioner according to a first embodiment of the present invention. FIG. 1B is a sectional view taken along line II of FIG.

2A is a horizontal cross-sectional view of a separate type air conditioner according to a second embodiment of the present invention. FIG. 2B is a cross-sectional view taken along line II-II in FIG.

3A is a horizontal cross-sectional view of a separate type air conditioner according to Embodiment 3 of the present invention. FIG. 3B is a cross-sectional view taken along line III-III of FIG. 3A. Sectional view taken along line -IV

4A is a horizontal cross-sectional view of a separate type air conditioner according to Embodiment 4 of the present invention. FIG. 4B is a cross-sectional view taken along line VV in FIG.

5A is a horizontal sectional view of an outdoor unit of a separate type air conditioner according to a conventional example. FIG. 5B is a sectional view taken along line VI-VI of FIG. 5A. Sectional view along line VII

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fan 2 Fan motor 3 Heat exchanger 3a, 3b Rising part of heat exchanger 4 Shield plate 5 Front grille 6 Electrical equipment storage part 7 Outer box (outdoor unit main body) 8 Rectification plate 9 Parts storage part 10 Orifices 13, 14 , 15,16 Wind speed equalization part

Claims (7)

[Claims] 1. A heat exchanger, a fan disposed in front of the heat exchanger, an orifice surrounding an outer periphery of the fan, a shielding plate facing the heat exchanger, the heat exchanger and the shielding An air passage formed between the plate and a plate, and an air passage for guiding air that has passed through the heat exchanger by a suction force of the fan to a portion surrounded by the orifice. The wind path has a wind speed equalizing portion, and a distance between the heat exchanger and the shielding plate in the wind speed equalizing portion passes through the heat exchanger in a portion facing the wind speed equalizing portion. An outdoor unit of a separate type air conditioner, wherein the wind speed of the air to be blown and the wind speed of the air passing through the heat exchanger in a portion facing the fan are substantially equal. 2. A difference between a wind speed of air passing through the heat exchanger in a portion facing the wind speed uniforming portion and a wind speed of air passing through the heat exchanger in a portion facing the fan is about 1 m. The outdoor unit of the separate type air conditioner according to claim 1, wherein the rate is within / s. 3. The outdoor unit of a separate type air conditioner according to claim 1, wherein the wind speed equalizing portion is formed at least above or below the fan. 4. The outdoor unit of a separate type air conditioner according to claim 1, wherein the wind speed equalizing portion is formed at least on a right side or a left side of the fan. 5. A distance between the heat exchanger and the shielding plate in the wind speed uniforming portion is larger than a distance between the heat exchanger and the heat exchanger side of the fan, The outdoor unit of a separate type air conditioner according to any one of claims 1 to 4, wherein the outdoor unit is substantially the same. 6. The heat exchanger according to claim 1, wherein the heat exchanger is U-shaped, and a rising portion forming the U-shaped heat exchanger faces the wind speed uniforming portion. An outdoor unit of the separate type air conditioner described in the above. 7. The outdoor unit of a separate type air conditioner according to claim 1, wherein a rectifying plate is disposed in the wind speed uniforming portion.