JP2020134085A - Refrigeration cycle device - Google Patents

Abstract

To solve a problem in an outdoor unit of a refrigeration cycle device including an outside air temperature sensor to be used in controlling the device, that the outside air temperature cannot be accurately read out due to snow coverage on the outside air temperature sensor or a mounting tool of the outside air temperature sensor in a snowfall region, which causes troubles in controlling.SOLUTION: A refrigeration cycle device (1) includes an outdoor unit (10). The outdoor unit (10) has a housing (20), an outside air temperature sensor (30), and a cover (40) for covering the outside air temperature sensor. The cover (40) has a first surface (41) inclined downward to a side separating from a side near the housing (20) at an upper part of the outside air temperature sensor (30).SELECTED DRAWING: Figure 3B

Description

It relates to a cover of an outside air temperature sensor arranged in an outdoor unit of a refrigeration cycle device.

The outdoor unit of the refrigeration cycle device is usually equipped with a temperature sensor for measuring the outside air temperature and is used for controlling the refrigeration cycle device. Patent Document 1 (Japanese Unexamined Patent Publication No. 2009-210135) discloses such an attachment for an outside air temperature sensor.

Since the outdoor unit of the refrigeration cycle device is arranged outdoors, snow may accumulate on the outdoor unit in a snowy area. When snow accumulates on the outdoor unit, snow accumulates on the outside air temperature sensor, and even if snow does not directly accumulate on the outside air temperature sensor, some kind of heat transfer path is created between the outside air temperature sensor and the accumulated snow. Can happen. In this case, the outside air temperature sensor cannot measure the outside air temperature correctly. If the outside air temperature sensor does not read the temperature correctly, it may interfere with the control of the refrigeration cycle device.

The refrigeration cycle device of the first aspect includes an outdoor unit. The outdoor unit has a housing, an outside air temperature sensor, and a cover. The outside air temperature sensor detects the outdoor temperature. The outside air temperature sensor is fixed to the outer surface of the housing. Here, the outer surface of the housing means a surface extending in the vertical direction excluding the upper surface and the bottom surface. The cover covers the outside air temperature sensor. The cover has a first surface. The first surface is above the outside air temperature sensor. The first surface is inclined downward from the side closer to the housing to the side away from the housing. The bottom of the cover is open.

Since the refrigeration cycle device of the first aspect has the first surface inclined above the outside air temperature sensor, it is difficult for snow to accumulate on the outside air temperature sensor. Therefore, the outside air temperature is appropriately measured, and the operation control of the refrigeration cycle device is less likely to be affected.

The refrigeration cycle device of the second aspect is the refrigeration cycle device of the first aspect, and the cover further has a second surface. The second surface is below the first surface. The second surface is continuous from the first surface. The second surface is the same height as the outside air temperature sensor. Here, the same height means that there are overlapping portions in the horizontal direction. The second surface covers the outside air temperature sensor.

The refrigeration cycle device of the second aspect has a second surface that is continuous from the first surface, is at the same height as the outside air temperature sensor, and covers the outside air temperature sensor, so that snow can be prevented from entering from the horizontal direction. There are few obstacles to the measurement of the outside temperature.

The refrigeration cycle device of the third aspect is the refrigeration cycle device of the first aspect or the second aspect, and further has a side surface. The sides are on both sides of the first surface.

Since the refrigeration cycle device of the third aspect has side surfaces on both sides of the first surface of the cover, it is more difficult for snow to accumulate on the outside air temperature sensor.

The refrigeration cycle device of the fourth aspect is any of the refrigeration cycle devices of the first to third aspects, and further has an attachment. The fixture attaches the outside air temperature sensor to the housing. The cover covers the top of the fixture.

In the refrigeration cycle device of the fourth aspect, if there is an attachment, snow tends to collect on the attachment, but since the cover covers the attachment, there is a low possibility that snow will accumulate on the attachment.

The refrigeration cycle device of the fifth aspect is the refrigeration cycle device of the fourth aspect, and there is a gap between the attachment and the cover.

In the refrigeration cycle device of the fifth aspect, since there is a gap between the attachment and the cover, it is unlikely that the heat of the cover is transmitted to the outside air temperature sensor through the attachment. Therefore, it is highly possible that the outside air temperature sensor can appropriately measure the outside air temperature.

The refrigeration cycle device of the sixth aspect is the refrigeration cycle device of any one of the first aspect to the fifth aspect, and the outdoor unit further includes a heat exchanger. The outside air temperature sensor is located facing the heat exchanger.

In the refrigeration cycle apparatus of the sixth aspect, since the outside air temperature sensor is arranged so as to face the heat exchanger, the temperature of the outside air before passing through the heat exchanger can be measured.

The refrigeration cycle device of the seventh aspect is the refrigeration cycle device of the sixth aspect, and the cover is arranged so as to face the heat exchanger. The horizontal width of the cover is smaller than the width of the heat exchanger and larger than the horizontal width of the temperature sensor.

In the refrigeration cycle device of the seventh aspect, since the width of the cover is larger than the width of the temperature sensor, it is possible to prevent snow accumulation on the entire temperature sensor. Further, since the width of the cover is smaller than the width of the heat exchanger, it does not significantly prevent the outside air from flowing into the heat exchanger.

The refrigeration cycle device of the eighth viewpoint is any of the first to seventh viewpoint refrigeration cycle devices, and the inclination angle of the first surface is 45 ° or more and 70 ° or less from the horizontal.

In the refrigeration cycle device of the eighth aspect, since the inclination angle of the first surface is 45 ° or more from the horizontal, it is possible to prevent snow accumulation on the first surface. Further, since the inclination angle of the first surface is 70 ° or less from the horizontal, the first surface is not made larger than necessary.

The refrigeration cycle device of the ninth aspect is the refrigeration cycle device of any one of the sixth aspect to the eighth aspect, and the distance between the cover and the heat exchanger is 3 mm or more.

In the refrigeration cycle apparatus of the ninth aspect, since the distance between the cover and the heat exchanger is 3 mm or more, it is possible to prevent water from bridging between the cover and the heat exchanger and forming a heat transfer path.

The refrigeration cycle device of the tenth aspect is any of the first to ninth aspects of the refrigeration cycle apparatus, and the cover is made of metal.

Since the cover of the refrigeration cycle device of the tenth aspect is made of metal, it is excellent in cold resistance and weather resistance.

The refrigeration cycle device of the eleventh aspect is the refrigeration cycle device of the tenth aspect, and the material of the cover and the housing is the same.

In the refrigeration cycle device of the eleventh aspect, since the material of the cover and the housing is the same, electrolytic corrosion is prevented.

The refrigeration cycle device according to the twelfth aspect is any of the refrigeration cycle devices from the first aspect to the eleventh aspect, and the cover is integrally formed as a part of the housing.

In the refrigeration cycle device of the twelfth aspect, since the cover is integrally formed as a part of the housing, it is excellent in durability.

It is a perspective view of the outdoor unit 10 of the refrigeration cycle apparatus 1 of 1st Embodiment. It is a perspective view of the outdoor unit 10 of the conventional refrigerating cycle apparatus 1. It is a figure of the cover 40 seen from the rear surface in 1st Embodiment. In the first embodiment, it is the figure of the cover 40 seen from the rear left. In the first embodiment, it is the figure of the cover 40 seen from the rear right. It is a perspective view of the attachment 35 of the outside air temperature sensor of 1st Embodiment. It is a figure of the cover 40a of the modification 1A. It is a figure of the cover 40b of the modification 1B. It is a figure of the cover 40c of the modification 1C.

<First Embodiment>
(1) Outdoor unit 10 of refrigerating cycle device 1
The refrigeration cycle device 1 of the present embodiment is a vapor compression type refrigeration device. The refrigerating cycle apparatus 1 of the present embodiment includes a compressor, an indoor heat exchanger, an expansion valve, and an outdoor heat exchanger.

The refrigeration cycle device of the present embodiment includes an outdoor unit 10, an indoor unit, and a refrigerant pipe connecting the outdoor unit 10 and the indoor unit. The indoor unit (not shown) of the present embodiment has an indoor heat exchanger. The appearance of the outdoor unit 10 of the present embodiment is shown in FIG. The outdoor unit 10 houses an outdoor heat exchanger 21, a compressor (not shown), an expansion valve (not shown), and an outdoor fan (not shown) in a housing 20.

As shown by the arrows in FIG. 1, the housing 20 has four side surfaces, front, rear, right, and left, in addition to the upper surface and the lower surface. As shown in FIG. 1, the right and left in the present specification are defined in the direction viewed from the rear surface. The outdoor unit 10 is arranged outdoors. Then, due to the rotation of the indoor fan, the air sucked from the rear surface is blown out from the front surface. While the air is passing through the outdoor unit 10, the heat exchanger 21 exchanges heat with the refrigerant. In FIG. 1, the heat exchanger 21 is arranged so as to face the rear surface and the right surface of the housing 20.

The outdoor unit 10 of the present embodiment further includes an outside air temperature sensor 30, a fixture 35 for the outside air temperature sensor 30, and a cover 40. This configuration will be described in detail next.

(2) Detailed configuration (2-1) Outside air temperature sensor 30 and fixture 35
FIG. 1 shows a perspective view of the outdoor unit 10 of the first embodiment as viewed from the rear left direction, and FIG. 2 shows a perspective view of the conventional outdoor unit 10 as viewed from the rear left direction. FIG. 2 may be said to be a view in which the cover 40 is removed in FIG. Further, FIG. 4 shows a perspective view of the fixture 35.

The outside air temperature sensor 30 is attached to the fixture 35. The attachment 35 is attached to the rear surface of the housing 20. In FIGS. 1 and 2, the outside air temperature sensor 30 is arranged so as to face the heat exchanger 21.

As shown in FIG. 4, the fixture 35 has a holding portion 32, a lid 33, and a protrusion 34. The holding unit 32 holds the outside air temperature sensor 30. The lid 33 covers the outside air temperature sensor 30 by bending the fixture 35 as shown by the arrow in FIG. Holes are formed in the holding portion 32 and the lid 33, respectively. The outside air passes through the outside air temperature sensor 30 and goes to the inside of the housing 20 through this hole. The protrusion 34 is fitted into a hole provided in the housing 20 from the outside of the housing 20 to fix the fixture 35 to the housing 20. The fixture 35 is made of resin. The housing 20 is a metal plate.

The outside air temperature sensor 30 can measure the outside air temperature. The outside air temperature sensor 30 is a thermistor. A thermistor is a resistor whose electrical resistance changes significantly with respect to temperature changes. The outside air temperature sensor 30 is connected to an electrical component (not shown) inside the housing 20 by electrical wiring.

(2-2) Cover 40
The cover 40 of this embodiment will be described with reference to the drawings. FIG. 1 shows the mounting position of the cover 40 in the outdoor unit 10. 3A, 3B, and 3C are views of the cover 40 viewed from the rear, rear left, and rear right, respectively.

As shown in FIGS. 1 and 3A, the cover 40 of the present embodiment is arranged so as to face the portion of the outdoor unit 10 on the rear surface of the housing 20 where the heat exchanger is arranged. The area seen from the rear of the cover 40 is 1% or more and 5% or less of the rear surface of the housing 20. If the cover is too large, it will block the ventilation of the outside air to the heat exchanger, which is not preferable.

The cover 40 is fixed to the rear surface of the housing 20 from the outside of the housing so as not to come into direct contact with the outside air temperature sensor 30 and the attachment 35 of the outside air temperature sensor. The gap between the fixture 35 and the cover 40 is 2 mm or more and 5 mm or less. If there is no gap of 2 mm or more, there is a risk that a heat transfer path will be created when snow enters the gap. Further, if the gap exceeds 5 mm, there is a high risk that snow will enter the gap.

In the present embodiment, the cover 40 is formed by cutting and bending a single metal plate. The main material of the metal plate is iron. The metal plate is made of the same material as the housing 20.

The cover 40 of the present embodiment has a first surface 41, a second surface 42, side surfaces 43 and 44, a lower surface 45, and mounting portions 46 and 47.

The first surface 41 is arranged above the outside air temperature sensor 30 and the fixture 35. The first surface 41 is inclined downward from the side closer to the housing 20 toward the side away from the housing 20. The inclination angle is 45 ° or more and 70 ° or less from the horizontal. Since the first surface is inclined, snow does not easily accumulate on the cover. More preferably, it is 55 ° or more and 70 ° or less.

The second surface 42 covers the outside air temperature sensor 30 at the same height as the outside air temperature sensor 30 and the fixture 35. The second surface 42 is below the first surface 41. The second surface 42 extends in the vertical direction. The second surface 42 is continuous with the first surface 41, but the second surface 42 and the first surface are bent.

The first surface 41 and the second surface 42 are flat surfaces. It may be a curved surface.

The side surfaces 43 and 44 extend in the vertical direction. The side surfaces 43 and 44 are continuous with the first surface 41, but are bent at the boundary line. The first surface 41, the second surface 42, and the side surfaces 43 and 44 cover the upper side and the side of the holding portion 32 of the outside air temperature sensor 30 and the fixture 35. This prevents snow from accumulating on the holding portion 32 of the outside air temperature sensor 30 and the fixture 35.

On the other hand, the lower part of the holding portion 32 of the outside air temperature sensor 30 or the fixture 35 is open except for a part where the lower surface 45 exists. When the fan of the outdoor unit 10 rotates, the outside air enters the inside of the cover 40 from below the cover 40, passes through the outside air temperature sensor 30 and the heat exchanger 21, and goes out of the outdoor unit 10. By hitting the outside air temperature sensor 30 with the air (outside air) before passing through the heat exchanger 21 in this way, the outside air temperature can be measured correctly.

The lower surface 45 is arranged below the second surface. The lower surface 45 is continuous with the second surface 42, but is bent at the boundary line. Mounting portions 46 and 47 are arranged at the lower end of the lower surface 45 and the upper end of the side surface 43. Align the holes of the mounting portions 46 and 47 with the holes of the housing 20, fit the screws 51 and 52 into the holes, and fix the cover 40 to the housing 20. The lower surface 45 is arranged for the purpose of fixing the cover 40 to the housing 20. If it is too large, it hinders the ventilation of the outside air to the outside air temperature sensor 30, so it is preferable to make it as small as possible within the range where the strength can be secured.

(3) Features (3-1)
The outdoor unit 10 of the refrigeration cycle device 1 of the present embodiment includes a housing 20, a heat exchanger 21, an outside air temperature sensor 30, an outside air temperature sensor attachment 35, and a cover 40. The outside air temperature sensor 30 is attached to the attachment 35, and the attachment 35 is fixed to the rear surface of the housing 20. The outside air temperature sensor 30 is arranged so as to face the heat exchanger 21. The outside air temperature sensor 30 detects the outside air temperature. The measured outside air temperature is used for operation control of the refrigeration cycle device 1. The cover 40 covers the outside air temperature sensor 30 and the fixture 35. The cover 40 has a first surface 41. The first surface 41 is above the outside air temperature sensor 30 and the fixture 35, and is inclined downward from the side closer to the housing 20 to the side away from the housing 20. Further, the lower part of the cover 40 is open.

The refrigeration cycle device 1 of the present embodiment has a first surface 41 in which a cover 40 is arranged and the cover is inclined to cover the outside air temperature sensor 30 and the attachment 35. Therefore, it is difficult for snow to accumulate on the outside air temperature sensor 30 and the fixture 35, and it is also difficult for snow to accumulate on the cover. Further, since the lower part of the cover 40 is open, the air entering from the lower part of the cover easily passes through the outside air temperature sensor 30 and flows to the heat exchanger 21 on the rear surface of the housing 20. Therefore, the outside air temperature sensor 30 of the present embodiment can appropriately measure the outside air temperature. Further, the operation control of the refrigeration cycle device using the outside air temperature can be appropriately performed.

Here, the operation control of the refrigeration cycle apparatus using the outside air temperature will be described with a specific example. An example is defrosting operation. During the heating operation, if frost is formed on the outdoor heat exchanger, the capacity of the heat exchanger is reduced, so that the defrosting operation is performed. One of the defrosting operation methods is to flow the high-temperature refrigerant discharged from the compressor through the outdoor heat exchanger to melt the frost formation, as in the case of cooling.

The following are issues regarding the start of defrosting operation. If the outside air temperature sensor is covered with snow and the snow freezes, creating a heat transfer path to and from the heat exchanger, the outside air temperature sensor may actually measure the temperature of the heat exchanger. .. Here, the heat transfer path is ice that has solidified snow. Frost formation is detected when the temperature of the heat exchanger drops relative to the outside air temperature as a trigger for starting the defrosting operation. When the heat transfer path is created, the temperature measured by the outside air temperature sensor drops following the temperature of the heat exchanger. As a result, even if the heat exchanger at the start of the defrosting operation is frosted, the device cannot determine the start of the defrosting operation.

In the refrigeration cycle apparatus of the present embodiment, since the cover is arranged, such a heat transfer path is unlikely to occur, and it is possible to suppress the occurrence of a problem that the defrosting operation is not started when it is required.

(3-2)
In the refrigeration cycle device 1 of the present embodiment, the cover 40 further has a second surface 42. The second surface 42 is below the first surface 41 and is continuous from the first surface 41.

The second surface 42 has the same height as the outside air temperature sensor 30, and covers the outside air temperature sensor 30 and the fixture 35.

In the refrigeration cycle device 1 of the present embodiment, the cover 40 further has side surfaces 43 and 44. The side surfaces 43 and 44 are both sides of the first surface 41.

In the refrigeration cycle apparatus of the present embodiment, since the cover 40 has the second surface 42, the side surfaces 43, and 44 in addition to the first surface, not only the upper part of the outside air temperature sensor 30 and the attachment 35, but also It can also prevent wind and snow from diagonally above and from the side.

(3-3)
In the refrigeration cycle device 1 of the present embodiment, there is a gap between the attachment 35 and the cover 40.

Due to the gap, it is difficult to create a heat transfer path between the fixture 35 and the cover.

(3-4)
The cover 40 is arranged to face the heat exchanger 21, and the horizontal width of the cover 40 is smaller than the horizontal width of the heat exchanger 21 and larger than the horizontal width of the outside air temperature sensor 30.

In other words, the cover 40 covers the outside air temperature sensor 30, but only covers a part of the rear surface of the heat exchanger 21. If the cover covers many parts of the rear surface of the heat exchanger, the amount of air passing through the heat exchanger is reduced, which leads to a decrease in the heat exchange capacity of the heat exchanger.

(3-5)
In the refrigeration cycle apparatus of the present embodiment, the inclination angle of the first surface 41 of the cover 40 is 45 ° or more and 70 ° or less from the horizontal.

If the tilt angle of the cover is less than 45 °, there is a high possibility of snow accumulation. If the inclination angle exceeds 70 °, the cover becomes large and the area covering the heat exchanger may become large.

(3-6)
In the refrigeration cycle apparatus of the present embodiment, the cover 40 and the heat exchanger 21 are arranged apart from each other. Since the cover 40 and the heat exchanger 21 are separated from each other, it is difficult to transfer heat between them.

The distance between the cover 40 and the heat exchanger 21 is 3 mm or more. Since the cover and the heat exchanger are sufficiently separated from each other, it is difficult to establish a heat transfer path by water or ice between the cover and the heat exchanger even if there is some snow, and the heat transfer can be blocked.

(3-7)
In the refrigeration cycle device 1 of the present embodiment, the cover 40 is made of metal. Since the cover is made of metal, it has high weather resistance and is highly durable against low temperatures.

(3-8)
In the refrigeration cycle device 1 of the present embodiment, the materials of the cover 40 and the housing 20 are the same.

Since the cover and housing are made of the same material, corrosion due to electrolytic corrosion is unlikely to occur.

(4) Modification example (4-1) Modification example 1A
In the first embodiment, the cover 40 and the housing 20 are separate bodies. It may be formed integrally. In the modified example 1A, as shown in FIG. 5, the cover 40a is integrally formed with the housing 20. Therefore, in the cover 40 of the first embodiment, the lower surface 45 and the attachment portions 46 and 47 existed, but in the modified example 1A, such a portion is not present. In the modified example 1A, since the side surface 43 is continuous with the housing 20, it is not necessary to prepare a special mounting portion.

The cover 40a of the modified example 1A has excellent durability because it does not have a special mounting portion. In addition, the number of parts can be reduced as compared with the case where there is a mounting portion.

(4-2) Modification 1B
In the first embodiment and the first modification 1A, the first surface 41 and the second surface 42 are continuous, but are bent at the boundary. In the cover 40b of the modified example 1B, as shown in FIG. 6, the boundary between the first surface 41b and the second surface 42b is not bent, and both are continuous planes.

The modified example 1B also has the same characteristics of (3-1) to (3-8) as those of the first embodiment. The cover of the modified example 1B is easier to manufacture than the cover of the first embodiment.

(4-3) Modification 1C
As shown in FIG. 7, the cover 40C of the modified example 1C is similar to the cover 40 of the first embodiment, but there is no portion corresponding to the lower surface 45 of the cover 40. Instead, the attachment 48 is located below the side surface 43. Similar to the cover 40, the cover 40c aligns the holes of the mounting portions 46 and 48 with the holes of the housing 20, and the screws 51 and 53 are fitted into the holes to fix the cover 40 to the housing 20.

Since the cover 40C of the modified example 1C does not have a portion corresponding to the lower surface 45, the ventilation to the outside air temperature sensor 30 and the heat exchanger 21 is better.

(4-4) Modification 1D
The outdoor unit 10 of the refrigeration cycle device 1 of the modification 1D is not provided with a fixture for the outside air temperature sensor 30. The outside air temperature sensor 30 is directly attached to the housing 20. The cover 40 directly covers the outside air temperature sensor 30.

The refrigerating cycle device 1 of the modified example 1D also has the configurations and actions of (3-1), (3-2), (3-4) to (3-8), similarly to the refrigerating cycle device 1 of the first embodiment. Has an effect.

(4-5) Modification 1E
In the refrigeration cycle device 1 of the modification 1E, the outdoor unit is different from that of the first embodiment. In the outdoor unit of the first modification 1E, an air outlet is arranged on the upper surface of the housing 20, the heat exchanger is arranged on the side surface inside the housing, and the fan is arranged on the upper part inside the housing. When the fan rotates, the air sucked from the side surface of the housing exchanges heat with the refrigerant in the heat exchanger and is blown out from the outlet on the upper surface of the housing.

In the modified example 1E, as in the first embodiment, the outside air temperature sensor 30, the fixture 35, and the cover 40 are the ends of the air intake ports on the side surfaces of the housing and face the heat exchanger. Attached to.

The refrigerating cycle device of the modified example 1E also has the configurations and working effects of (3-1) to (3-8) as in the refrigerating cycle device 1 of the first embodiment.

Although the embodiments of the present disclosure have been described above, it will be understood that various modifications of the forms and details are possible without departing from the purpose and scope of the present disclosure described in the claims. ..

1 Refrigeration cycle device 10 Outdoor unit 20 Housing 21 Heat exchanger 30 Outside air temperature sensor 35 Fixtures 40, 40a, 40b Covers 41, 41b First surface 42, 42b Second surface 43, 44, 43b Side 45 Bottom surface

Japanese Unexamined Patent Publication No. 2009-210135

Claims (12)

A refrigeration cycle device (1) provided with an outdoor unit (10).
The outdoor unit is
With the housing (20)
An outside air temperature sensor (30) fixed to the outer surface of the housing and detecting the outdoor temperature,
A cover (40) covering the outside air temperature sensor and
Have,
The cover has a first surface (41) that is inclined downward from the side closer to the housing to the side away from the housing above the outside air temperature sensor.
The lower part of the cover is open,
Refrigeration cycle equipment. The cover further
A second surface (42) below the first surface and continuous from the first surface.
Have,
The second surface covers the outside air temperature sensor at the same height as the outside air temperature sensor.
The refrigeration cycle apparatus according to claim 1. The cover further
It has side surfaces (43, 44) on both sides of the first surface.
The refrigeration cycle apparatus according to claim 1 or 2. The outdoor unit further has a fitting (35) for attaching the outside air temperature sensor to the housing.
The cover covers the upper part of the fitting.
The refrigeration cycle apparatus according to any one of claims 1 to 3. There is a gap between the fixture and the cover,
The refrigeration cycle apparatus according to claim 4. The outdoor unit further comprises a heat exchanger (21).
The outside air temperature sensor is arranged to face the heat exchanger.
The refrigeration cycle apparatus according to any one of claims 1 to 5. The cover is placed facing the heat exchanger and
The horizontal width of the cover is smaller than the horizontal width of the heat exchanger and larger than the horizontal width of the outside air temperature sensor.
The refrigeration cycle apparatus according to claim 6. The inclination angle of the first surface of the cover is 45 ° or more and 70 ° or less from the horizontal.
The refrigeration cycle apparatus according to any one of claims 1 to 7. The distance between the cover and the heat exchanger is 3 mm or more.
The refrigeration cycle apparatus according to any one of claims 6 to 8. The cover is made of metal,
The refrigeration cycle apparatus according to any one of claims 1 to 9. The material of the cover and the housing is the same.
The refrigeration cycle apparatus according to claim 10. The cover is integrally formed as a part of the housing.
The refrigeration cycle device according to any one of claims 1 to 11.

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