Refrigeration cycle equipment

JP7927165B2Active Publication Date: 2026-09-30MITSUBISHI ELECTRIC CORP
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Patent Information

Application Number
JP2025530867
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-07-04
Publication Date
2026-09-30
Estimated Expiration
2043-07-04

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Abstract

In a refrigeration cycle device according to the present disclosure, a heat exchanger is fixed to a housing using a first fixing plate fixed to the housing, a second fixing plate fixed to the first fixing plate, and a mounting plate provided to the heat exchanger. The first fixing plate and the second fixing plate are fixed by screwing a first male screw, which has been inserted into a first elongate hole formed in one of the first fixing plate and the second fixing plate, into a first female screw formed in the other of the first fixing plate and the second fixing plate. The second fixing plate and the mounting plate are fixed by screwing a second male screw, which has been inserted into a second elongate hole formed in one of the second fixing plate and the mounting plate, into a second female screw formed in the other of the second fixing plate and the mounting plate.
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Description

Technical Field

[0001] The present disclosure relates to a refrigeration cycle apparatus. Background Art

[0002] A refrigeration cycle apparatus such as an air conditioner includes a heat exchanger and a housing that accommodates the heat exchanger. Patent Document 1 discloses, as an example of a refrigeration cycle apparatus, an air conditioner including a housing and a heat exchanger accommodated in the housing. Further, in a conventional refrigeration cycle apparatus, the heat exchanger is fixed to the housing as follows. A conventional refrigeration cycle apparatus includes a fixing plate fixed to the housing. A female screw is formed in this fixing plate. Further, a conventional refrigeration cycle apparatus includes a mounting plate provided at an end of the heat exchanger. A through hole is formed in this mounting plate. In the conventional refrigeration cycle apparatus, the heat exchanger is fixed to the housing by screwing a male screw inserted into the through hole of the mounting plate into the female screw of the fixing plate. Prior Art Literature Patent Literature

[0003] Patent Document 1 Japanese Unexamined Patent Publication No. 2020-20574 Summary of Invention Problems to be Solved by the Invention

[0004] There are cases where at least one portion of the heat exchanger is bent, formed into a substantially L-shaped or substantially U-shaped shape, and accommodated in a housing. In such cases, processing errors in bending cause displacement in the position of the through hole of the mounting plate relative to the female screw of the fixing plate. For this reason, the conventional refrigeration cycle apparatus has a problem in that it becomes difficult to screw the male screw inserted into the through hole of the mounting plate into the female screw of the fixing plate, which makes the work of fixing the heat exchanger to the housing difficult.

[0005] This disclosure aims to solve the aforementioned problems and to provide a refrigeration cycle device in which the work of fixing the heat exchanger to the housing is easier than in conventional methods. [Means for solving the problem]

[0006] The refrigeration cycle apparatus according to this disclosure comprises a housing, a heat exchanger housed in the housing, a first fixing plate fixed to the housing, a second fixing plate fixed to the first fixing plate, a mounting plate provided on the heat exchanger and fixed to the second fixing plate, a first male screw for fixing the first fixing plate and the second fixing plate, and a second male screw for fixing the second fixing plate and the mounting plate, wherein one of the first fixing plate and the second fixing plate has a first elongated hole formed therein that extends in a direction in which the contact portion of the second fixing plate with the mounting plate and the contact portion of the mounting plate with the second fixing plate face each other, and the first fixing plate and the front The other of the second fixing plate has a first female screw formed at a position opposite to the first elongated hole, one of the second fixing plate and the mounting plate has a second elongated hole that extends in the direction through the first elongated hole, the other of the second fixing plate and the mounting plate has a second female screw formed at a position opposite to the second elongated hole, the first fixing plate and the second fixing plate are fixed together by the first male screw inserted into the first elongated hole being screwed into the first female screw, and the second fixing plate and the mounting plate are fixed together by the second male screw inserted into the second elongated hole being screwed into the second female screw. Furthermore, the second fixing plate has a through hole that penetrates the second elongated hole in the longitudinal direction, into which the mounting plate is inserted. . [Effects of the Invention]

[0007] In the refrigeration cycle device according to this disclosure, processing errors in the bending of the heat exchanger can be absorbed in two directions: the longitudinal direction of the first elongated hole and the longitudinal direction of the second elongated hole. Therefore, in the refrigeration cycle device according to this disclosure, the work of fixing the heat exchanger to the housing becomes easier than in conventional devices. [Brief explanation of the drawing]

[0008] [Figure 1] This is a diagram showing the inside of the outdoor unit of the refrigeration cycle system according to Embodiment 1, viewed from above. [Figure 2] This is a diagram showing the inside of the outdoor unit of the refrigeration cycle device according to Embodiment 1, viewed from the front. [Figure 3] This is a perspective view showing the heat exchanger of the outdoor unit of the refrigeration cycle system according to Embodiment 1. [Figure 4] This is a perspective view showing another example of a heat exchanger in a refrigeration cycle device according to Embodiment 1. [Figure 5] This is a perspective view showing the surrounding area of ​​the fixing structure between the heat exchanger and the housing in a conventional refrigeration cycle system. [Figure 6] This is a perspective view from the front of the area surrounding the fixing structure between the heat exchanger and the housing in the refrigeration cycle device according to Embodiment 1. [Figure 7] This is a perspective view from the front of the area surrounding the fixing structure between the heat exchanger and the housing in the refrigeration cycle device according to Embodiment 1. [Figure 8] This is a perspective view, observed from the front, of the area around the fixing structure between the heat exchanger and the housing in another example of a refrigeration cycle device according to Embodiment 1. [Figure 9] This is a perspective view from the front of the area surrounding the fixing structure between the heat exchanger and the housing in the refrigeration cycle device according to Embodiment 2. [Modes for carrying out the invention]

[0009] In each of the following embodiments, an example of a refrigeration cycle device according to the present disclosure will be described. In each of the following embodiments, an example of a refrigeration cycle device according to the present disclosure will be described while observing an example of a refrigeration cycle device according to the present disclosure in an installed state. Furthermore, in each of the following embodiments, for the sake of explanation, the surface on which the air outlet is formed on the housing will be referred to as the front surface of the housing when describing an example of a refrigeration cycle device according to the present disclosure.

[0010] Embodiment 1. Figure 1 is a view of the inside of the outdoor unit of the refrigeration cycle device according to Embodiment 1, observed from above. Figure 2 is a view of the inside of the outdoor unit of the refrigeration cycle device according to Embodiment 1, observed from the front. Figure 3 is a perspective view showing the heat exchanger of the outdoor unit of the refrigeration cycle device according to Embodiment 1. In other words, Figure 1 is a view of the outdoor unit 1 of the refrigeration cycle device 100, observed from above, with the top surface portion 15 of the housing 10 (described later) removed. Also, Figure 2 is a view of the outdoor unit 1 of the refrigeration cycle device 100, observed from the front, with the front surface portion 11 of the housing 10 (described later) removed.

[0011] The refrigeration cycle system 100 is a device equipped with a refrigeration cycle circuit, including an air conditioner, a refrigeration system, and a water heater. The refrigeration cycle system 100 includes an outdoor unit 1. The outdoor unit 1 also includes a housing 10 and a heat exchanger 20.

[0012] The housing 10 according to this embodiment 1 has a substantially rectangular parallelepiped shape and comprises a front portion 11, a rear portion 12, a left side portion 13, a right side portion 14, a top portion 15, and a base plate 16. The base plate 16 constitutes the bottom portion of the housing 10. Intake ports 10a are formed on the left side portion 13 and the rear portion 12. An outlet port 10b is formed on the front portion 11. The housing 10 also includes a partition plate 17 that divides the inside of the housing 10 into a blower room 18 and a machine room 19.

[0013] The heat exchanger 20 is housed in the housing 10. Specifically, the heat exchanger 20 is housed in the blower compartment 18 of the housing 10 so as to face the intake port 10a. As described above, the intake port 10a is formed on the left side portion 13 and the rear portion 12. For this reason, in this embodiment 1, the heat exchanger 20 is bent at one point to form a roughly L-shape. The blower compartment 18 also houses the blower 2. When the blower 2 is driven, air from outside the housing 10 is drawn into the housing 10 through the intake port 10a. The air drawn into the housing 10 passes through the heat exchanger 20 and is then blown out of the housing 10 through the outlet port 10b. The machine compartment 19 houses the compressor 3 and the like.

[0014] The heat exchanger 20 includes a heat exchange portion 21, a header 22, a gas pipe 23, and a liquid pipe 24. The heat exchange portion 21 is a portion where heat exchange is performed between a refrigerant flowing through the heat exchanger 20 and a heat exchange target such as air. In the first embodiment, the heat exchange portion 21 includes a plurality of flat tubes and a plurality of fins connected to these flat tubes. A plurality of refrigerant flow paths are formed in each of the flat tubes. That is, the heat exchanger 20 according to the first embodiment is a parallel-flow type heat exchanger. The header 22 distributes the refrigerant that has flowed into the header 22 to each flat tube of the heat exchange portion 21. The header 22 is also a portion where the refrigerant flowing out from each flat tube of the heat exchange portion 21 merges. The gas pipe 23 is a pipe through which gas refrigerant flowing into the heat exchanger 20 and gas refrigerant flowing out from the heat exchanger 20 flows. The liquid pipe 24 is a pipe through which gas-liquid two-phase refrigerant flowing into the heat exchanger 20 and liquid refrigerant flowing out from the heat exchanger 20 flows.

[0015] Note that the configuration of the heat exchanger 20 described above is merely an example. For example, the heat exchange portion 21 of the heat exchanger 20 may include a plurality of circular pipes through which the refrigerant flows. Further, for example, the heat exchanger 20 may have a shape different from the shape described above.

[0016] Fig. 4 is a perspective view showing another example of the heat exchanger of the refrigeration cycle apparatus according to the first embodiment. The heat exchanger 20 may have a shape obtained by bending at a plurality of positions. Fig. 4 shows an example of the heat exchanger 20 that is bent at two positions and formed into a substantially U-shape. When the outdoor unit 1 includes the heat exchanger 20 shown in Fig. 4, suction ports 10a are formed on three side surfaces of the housing 10.

[0017] The refrigeration cycle apparatus 100 includes a mounting plate 50 provided on the heat exchanger 20. The mounting plate 50 is fixed to, for example, the header 22. The heat exchanger 20 is fixed to the housing 10 using the mounting plate 50.

[0018] Here, even in a conventional refrigeration cycle apparatus, the heat exchanger is fixed to the casing using a mounting plate provided on the heat exchanger. However, in a heat exchanger, the position of the mounting plate may deviate from a desired position due to processing errors in bending. Taking the heat exchanger 20 according to the first embodiment as an example, processing errors occur in the bent heat exchanger 20 at dimension A shown in FIG. 3, dimension B shown in FIG. 3, dimension C shown in FIG. 4, dimension D shown in FIG. 4, and dimension E shown in FIG. 4. As a result, the mounting plate 50 may deviate in the front-rear direction and the left-right direction from the desired position.

[0019] Due to the processing errors in bending described above, conventional refrigeration cycle apparatuses have sometimes faced difficulty in the work of fixing the heat exchanger to the casing as described below.

[0020] FIG. 5 is a perspective view showing the periphery of a fixing structure between a heat exchanger and a casing in a conventional refrigeration cycle apparatus. A conventional refrigeration cycle apparatus includes a fixing plate 230 fixed to a casing. A female screw 231 is formed in this fixing plate 230. Further, the conventional refrigeration cycle apparatus includes a mounting plate 250 provided at an end portion of a heat exchanger 220. A through hole 251 is formed in this mounting plate 250. In the conventional refrigeration cycle apparatus, the heat exchanger is fixed to the casing by screwing a male screw inserted into the through hole 251 of the mounting plate 250 into the female screw 231 of the fixing plate 230. At this time, due to the processing errors in bending described above, the position of the through hole 251 of the mounting plate 250 may deviate in the front-rear direction and the left-right direction relative to the female screw 231 of the fixing plate 230. For this reason, in the conventional refrigeration cycle apparatus, it becomes difficult to screw the male screw inserted into the through hole 251 of the mounting plate 250 into the female screw 231 of the fixing plate 230, which makes the work of fixing the heat exchanger 220 to the casing difficult.

[0021] Therefore, in the refrigeration cycle apparatus 100 according to the first embodiment, the heat exchanger 20 is fixed to the casing 10 as follows.

[0022] Figures 6 and 7 are perspective views from the front of the area surrounding the fixing structure between the heat exchanger and the housing in the refrigeration cycle device according to Embodiment 1. Figure 6 shows the fixing structure that secures the upper part of the heat exchanger 20 to the housing 10. Figure 7 shows the fixing structure that secures the lower part of the heat exchanger 20 to the housing 10. The header 22 of the heat exchanger 20 shown in Figures 6 and 7 is the same header 22 shown on the left side of the page in Figure 4.

[0023] The refrigeration cycle device 100 includes a first fixing plate 30, a second fixing plate 40, a first male screw 61, and a second male screw 62. As described above, the refrigeration cycle device 100 also includes a mounting plate 50 provided on the heat exchanger 20. The first fixing plate 30 is fixed to the housing 10 by welding or screwing. In this embodiment 1, the first fixing plate 30 is fixed to the left side surface 13 of the housing 10. The second fixing plate 40 is fixed to the first fixing plate 30. The mounting plate 50 is fixed to the second fixing plate 40. The first male screw 61 is a male screw that fixes the first fixing plate 30 and the second fixing plate 40. The second male screw 62 is a male screw that fixes the second fixing plate 40 and the mounting plate 50. Here, in the refrigeration cycle device 100 according to this embodiment 1, the first fixing plate 30 and the second fixing plate 40 are fixed as follows. Furthermore, in the refrigeration cycle device 100 according to this embodiment 1, the second fixing plate 40 and the mounting plate 50 are fixed as follows.

[0024] A first elongated hole 41 is formed in the second fixing plate 40. The first elongated hole 41 extends in a direction opposite to the contact point of the second fixing plate 40 with the mounting plate 50 and the contact point of the mounting plate 50 with the second fixing plate 40. In this embodiment 1, the first elongated hole 41 extends in the left-right direction. On the other hand, a first female screw 31 is formed in the first fixing plate 30 at a position opposite to the first elongated hole 41. The first fixing plate 30 and the second fixing plate 40 are fixed together by screwing a first male screw 61, which is inserted into the first elongated hole 41, into the first female screw 31. The first elongated hole 41 may also be formed in the first fixing plate 30. In this case, the first female screw 31 will be formed in the second fixing plate 40. That is, the first elongated hole 41 is formed in one of the first fixing plate 30 and the second fixing plate 40. Furthermore, a first female screw 31 is formed on the other of the first fixing plate 30 and the second fixing plate 40.

[0025] The mounting plate 50 has a second elongated hole 51 that extends in the direction through the first elongated hole 41. In this embodiment 1, the second elongated hole 51 extends in the front-rear direction. On the other hand, the second fixing plate 40 has a second female screw 42 formed at a position opposite to the second elongated hole 51. The second fixing plate 40 and the mounting plate 50 are fixed together by screwing a second male screw 62, which is inserted into the second elongated hole 51, into the second female screw 42. The second elongated hole 51 may also be formed in the second fixing plate 40. In this case, the second female screw 42 will be formed in the mounting plate 50. That is, one of the second fixing plate 40 and the mounting plate 50 has a second elongated hole 51. Also, the other of the second fixing plate 40 and the mounting plate 50 has a second female screw 42.

[0026] In this manner, the heat exchanger 20 is fixed to the housing 10 by fixing the first fixing plate 30 and the second fixing plate 40, and by fixing the second fixing plate 40 to the mounting plate 50. In this case, the refrigeration cycle device 100 according to this embodiment 1 can absorb processing errors in the bending of the heat exchanger 20 in two directions: the longitudinal direction of the first elongated hole 41 and the longitudinal direction of the second elongated hole 51. Specifically, in this embodiment 1, the left-right displacement of the mounting plate 50 due to processing errors in the bending of the heat exchanger 20 can be absorbed by the first elongated hole 41. In addition, the front-rear displacement of the mounting plate 50 due to processing errors in the bending of the heat exchanger 20 can be absorbed by the second elongated hole 51. For this reason, the refrigeration cycle device 100 according to this embodiment 1 makes the work of fixing the heat exchanger 20 to the housing 10 easier than in the conventional method.

[0027] Furthermore, in the refrigeration cycle device 100 according to this embodiment 1, the second fixing plate 40 has a through hole 32 that penetrates the second elongated hole 51 in the longitudinal direction, into which the mounting plate 50 is inserted. Therefore, the refrigeration cycle device 100 according to this embodiment 1 can suppress interference between the mounting plate 50 and the second fixing plate 40. Consequently, the refrigeration cycle device 100 according to this embodiment 1 can better absorb processing errors in the longitudinal direction of the second elongated hole 51 caused by the bending of the heat exchanger 20. Therefore, the refrigeration cycle device 100 according to this embodiment 1 makes it easier to fix the heat exchanger 20 to the housing 10.

[0028] Furthermore, in the refrigeration cycle device 100 according to this embodiment 1, the contact points of the first fixing plate 30 with the second fixing plate 40, and the contact points of the second fixing plate 40 with the first fixing plate 30, are surfaces that extend in the vertical direction. For example, the contact points of the first fixing plate 30 with the second fixing plate 40, and the contact points of the second fixing plate 40 with the first fixing plate 30, are flat surfaces. However, the contact points of the first fixing plate 30 with the second fixing plate 40, and the contact points of the second fixing plate 40 with the first fixing plate 30, may be surfaces other than flat surfaces, as long as they extend in the vertical direction. Also, the vertical direction in this embodiment 1 does not refer only to a direction that is strictly parallel to the vertical direction, but may also be inclined with respect to the vertical direction.

[0029] It is conceivable that the first fixing plate 30 and the second fixing plate 40 may be made of different metals. In such a case, if water accumulates at the contact point between the first fixing plate 30 and the second fixing plate 40, galvanic corrosion may occur. However, by configuring the contact points of the first fixing plate 30 with the second fixing plate 40 and the contact points of the second fixing plate 40 with the first fixing plate 30 as described above, it is possible to suppress the accumulation of water at the contact points between the first fixing plate 30 and the second fixing plate 40. As a result, the occurrence of galvanic corrosion can be suppressed.

[0030] Furthermore, in the refrigeration cycle device 100 according to this embodiment 1, the contact points of the second fixing plate 40 with the mounting plate 50, and the contact points of the mounting plate 50 with the second fixing plate 40, are surfaces that extend in the vertical direction. For example, the contact points of the second fixing plate 40 with the mounting plate 50, and the contact points of the mounting plate 50 with the second fixing plate 40 are flat surfaces. However, the contact points of the second fixing plate 40 with the mounting plate 50, and the contact points of the mounting plate 50 with the second fixing plate 40, may be surfaces other than flat surfaces, as long as they extend in the vertical direction.

[0031] It is conceivable that the second fixing plate 40 and the mounting plate 50 may be made of different metals. In such a case, if water accumulates at the contact point between the second fixing plate 40 and the mounting plate 50, galvanic corrosion may occur. However, by configuring the contact points of the second fixing plate 40 with the mounting plate 50 and the contact points of the mounting plate 50 with the second fixing plate 40 as described above, it is possible to suppress the accumulation of water at the contact point between the second fixing plate 40 and the mounting plate 50. As a result, the occurrence of galvanic corrosion can be suppressed.

[0032] Furthermore, in the refrigeration cycle device 100 according to this embodiment 1, the second male screw 62 is screwed into the second female screw 42 in a direction from the outside of the housing 10 toward the inside of the housing 10. Since structures such as piping are arranged inside the housing 10, it may be difficult to connect a tool for turning the second male screw 62 to the second male screw 62. However, by configuring the second male screw 62 to be screwed into the second female screw 42 in a direction from the outside of the housing 10 toward the inside of the housing 10, it becomes easier to connect a tool to the second male screw 62, and the work of fixing the heat exchanger 20 to the housing 10 becomes easier.

[0033] Figure 8 is a perspective view, observed from the front, of the area around the fixing structure between the heat exchanger and the housing in another example of a refrigeration cycle device according to Embodiment 1. If the second male screw 62 is screwed into the second female screw 42 in the direction from the outside of the housing 10 toward the inside of the housing 10, depending on the shape of the first fixing plate 30, the first fixing plate 30 may be positioned opposite the head of the second male screw 62, making it difficult to screw the second male screw 62 into the second female screw 42. In such cases, as shown in Figure 8, a through hole 33 can be formed in the first fixing plate 30 at a position opposite the head of the second male screw 62. This allows the second male screw 62 to be screwed into the second female screw 42 in the direction from the outside of the housing 10 toward the inside of the housing 10. The same applies when the second fixing plate 40 is positioned opposite the head of the second male screw 62.

[0034] As described above, the refrigeration cycle device 100 according to this first embodiment comprises a housing 10, a heat exchanger 20 housed in the housing 10, a first fixing plate 30 fixed to the housing 10, a second fixing plate 40 fixed to the first fixing plate 30, a mounting plate 50 provided on the heat exchanger 20 and fixed to the second fixing plate 40, a first male screw 61 for fixing the first fixing plate 30 and the second fixing plate 40, and a second male screw 62 for fixing the second fixing plate 40 and the mounting plate 50. One of the first fixing plate 30 and the second fixing plate 40 has a first elongated hole 41 formed therein, extending in a direction in which the contact point of the second fixing plate 40 with the mounting plate 50 and the contact point of the mounting plate 50 with the second fixing plate 40 are opposite each other. The other of the first fixing plate 30 and the second fixing plate 40 has a first female screw 31 formed at a position opposite to the first elongated hole 41. One of the second fixing plate 40 and the mounting plate 50 has a second elongated hole 51 that extends in the direction of the first elongated hole 41. The other of the second fixing plate 40 and the mounting plate 50 has a second female screw 42 formed at a position opposite to the second elongated hole 51. The first fixing plate 30 and the second fixing plate 40 are fixed together by screwing a first male screw 61, which is inserted into the first elongated hole 41, into the first female screw 31. The second fixing plate 40 and the mounting plate 50 are fixed together by screwing a second male screw 62, which is inserted into the second elongated hole 51, into the second female screw 42.

[0035] In the refrigeration cycle device 100 configured in this way, as described above, the processing error in the bending of the heat exchanger 20 can be absorbed in two directions: the longitudinal direction of the first elongated hole 41 and the longitudinal direction of the second elongated hole 51. For this reason, as described above, the work of fixing the heat exchanger 20 to the housing 10 becomes easier than in the conventional method with the refrigeration cycle device 100 configured in this way.

[0036] In this embodiment 1, the fixing structure between the housing and the heat exchanger, using the first fixing plate 30, the second fixing plate 40, the mounting plate 50, the first male screw 61, and the second male screw 62, was used to fix the housing 10 of the outdoor unit 1 to the heat exchanger 20. However, the fixing structure between the housing and the heat exchanger, using the first fixing plate 30, the second fixing plate 40, the mounting plate 50, the first male screw 61, and the second male screw 62, may also be adopted for other refrigeration cycle device units 100 other than the outdoor unit 1. Other refrigeration cycle device units 100 other than the outdoor unit 1 include, for example, the indoor unit when the refrigeration cycle device 100 is an air conditioning system.

[0037] Embodiment 2. By adding the blocking plate shown in Embodiment 2 to the refrigeration cycle device 100 shown in Embodiment 1, the performance of the refrigeration cycle device 100 is improved. Unless otherwise specified in Embodiment 2, the same principles apply as in Embodiment 1. Furthermore, in Embodiment 2, components that perform the same functions as those shown in Embodiment 1 are denoted by the same reference numerals.

[0038] Figure 9 is a perspective view from the front of the area surrounding the fixing structure between the heat exchanger and the housing in the refrigeration cycle device according to Embodiment 2. Figure 9 shows the fixing structure that secures the upper part of the heat exchanger 20 to the housing 10. The dashed arrows in Figure 9 indicate the airflow into the housing 10. The refrigeration cycle device 100 according to this second embodiment includes a closing plate 70 that closes the gap between the second fixed plate 40 and the heat exchanger 20. The refrigeration cycle device 100 according to this second embodiment also includes a closing plate 71 that closes the gap between the first fixed plate 30 and the second fixed plate 40. The method of manufacturing the closing plate 70 is arbitrary. For example, the closing plate 70 may be formed integrally with the first fixed plate 30. Alternatively, for example, the closing plate 70 may be formed integrally with the second fixed plate 40. Alternatively, for example, the closing plate 70 may be formed separately from the first fixed plate 30 and the second fixed plate 40. The method of manufacturing the closing plate 71 is also arbitrary. For example, the closing plate 71 may be formed integrally with the first fixed plate 30. Alternatively, for example, the closing plate 71 may be formed integrally with the second fixed plate 40. Alternatively, for example, the closing plate 71 may be formed separately from the first fixed plate 30 and the second fixed plate 40.

[0039] When air flows into the housing 10 from an opening such as the intake port 10a, the performance of the refrigeration cycle device 100 is improved if as much air as possible passes through the heat exchanger 20. In this embodiment 2, the refrigeration cycle device 100 can prevent air flowing into the housing 10 from passing between the second fixed plate 40 and the heat exchanger 20 by the blocking plate 70. Furthermore, in this embodiment 2, the refrigeration cycle device 100 can prevent air flowing into the housing 10 from passing between the first fixed plate 30 and the second fixed plate 40 by the blocking plate 71. Therefore, the refrigeration cycle device 100 in embodiment 2 can reduce the amount of air that passes through the housing 10 without passing through the heat exchanger 20. Thus, in addition to the effects shown in embodiment 1, the refrigeration cycle device 100 in embodiment 2 also has the effect of improving the performance of the refrigeration cycle device 100. [Explanation of Symbols]

[0040] 1 Outdoor unit, 2 Blower, 3 Compressor, 10 Housing, 10a Intake, 10b Outlet, 11 Front, 12 Rear, 13 Left side, 14 Right side, 15 Top, 16 Base plate, 17 Partition plate, 18 Blower room, 19 Machine room, 20 Heat exchanger, 21 Heat exchange section, 22 Header, 23 Gas pipe, 24 Liquid pipe, 30 First fixing plate, 31 First female thread, 32 Through hole, 33 Through hole, 40 Second fixing plate, 41 First elongated hole, 42 Second female thread, 50 Mounting plate, 51 Second elongated hole, 61 First male thread, 62 Second male thread, 70 Closure plate, 71 Closure plate, 100 Refrigeration cycle device.

Claims

1. The casing and The heat exchanger housed in the enclosure, A first fixing plate fixed to the housing, A second fixing plate fixed to the first fixing plate, A mounting plate provided on the heat exchanger and fixed to the second fixing plate, A first male screw for fixing the first fixing plate and the second fixing plate, A second male screw for fixing the second fixing plate and the mounting plate, Equipped with, One of the first fixing plate and the second fixing plate has a first elongated hole formed therein, which extends in a direction in which the contact portion of the second fixing plate with the mounting plate and the contact portion of the mounting plate with the second fixing plate are opposite each other. The other of the first and second fixing plates has a first female screw formed at a position opposite to the first elongated hole. A second elongated hole is formed in one of the second fixing plate and the mounting plate, extending in the direction through which the first elongated hole passes. The other of the second fixing plate and the mounting plate has a second female screw formed in a position opposite to the second elongated hole. The first fixing plate and the second fixing plate are fixed together by the first male screw, which is inserted into the first elongated hole, being screwed into the first female screw. The second fixing plate and the mounting plate are fixed together by the second male screw, which is inserted into the second elongated hole, being screwed into the second female screw. The second fixing plate has a through hole that penetrates the second elongated hole in the longitudinal direction, into which the mounting plate is inserted. Refrigeration cycle device.

2. Housing and The heat exchanger housed in the enclosure, A first fixing plate fixed to the housing, A second fixing plate fixed to the first fixing plate, A mounting plate provided on the heat exchanger and fixed to the second fixing plate, A first male screw for fixing the first fixing plate and the second fixing plate, A second male screw for fixing the second fixing plate and the mounting plate, Equipped with, One of the first fixing plate and the second fixing plate has a first elongated hole formed therein, which extends in a direction in which the contact portion of the second fixing plate with the mounting plate and the contact portion of the mounting plate with the second fixing plate are opposite each other. The other of the first and second fixing plates has a first female screw formed at a position opposite to the first elongated hole. A second elongated hole is formed in one of the second fixing plate and the mounting plate, extending in the direction through which the first elongated hole passes. The other of the second fixing plate and the mounting plate has a second female screw formed in a position opposite to the second elongated hole. The first fixing plate and the second fixing plate are fixed together by the first male screw, which is inserted into the first elongated hole, being screwed into the first female screw. The second fixing plate and the mounting plate are fixed together by the second male screw, which is inserted into the second elongated hole, being screwed into the second female screw. The system includes a closing plate that seals the gap between the second fixing plate and the heat exchanger. Refrigeration cycle device.

3. Housing and The heat exchanger housed in the enclosure, A first fixing plate fixed to the housing, A second fixing plate fixed to the first fixing plate, A mounting plate provided on the heat exchanger and fixed to the second fixing plate, A first male screw for fixing the first fixing plate and the second fixing plate, A second male screw for fixing the second fixing plate and the mounting plate, Equipped with, One of the first fixing plate and the second fixing plate has a first elongated hole formed therein, which extends in a direction in which the contact portion of the second fixing plate with the mounting plate and the contact portion of the mounting plate with the second fixing plate are opposite each other. The other of the first and second fixing plates has a first female screw formed at a position opposite to the first elongated hole. A second elongated hole is formed in one of the second fixing plate and the mounting plate, extending in the direction through which the first elongated hole passes. The other of the second fixing plate and the mounting plate has a second female screw formed in a position opposite to the second elongated hole. The first fixing plate and the second fixing plate are fixed together by the first male screw, which is inserted into the first elongated hole, being screwed into the first female screw. The second fixing plate and the mounting plate are fixed together by the second male screw, which is inserted into the second elongated hole, being screwed into the second female screw. The system includes a closing plate that seals the gap between the first fixing plate and the second fixing plate. Refrigeration cycle device.

4. The contact points between the first fixing plate and the second fixing plate, and the contact points between the second fixing plate and the first fixing plate, are surfaces that extend in the vertical direction. A refrigeration cycle apparatus according to any one of claims 1 to 3.

5. The contact points between the second fixing plate and the mounting plate, and the contact points between the mounting plate and the second fixing plate, are surfaces that extend in the vertical direction. A refrigeration cycle apparatus according to any one of claims 1 to 3.

6. The configuration is such that the second male screw is screwed into the second female screw in a direction from the outside of the housing toward the inside of the housing. A refrigeration cycle apparatus according to any one of claims 1 to 3.

Citation Information

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