WO2023188059A1

WO2023188059A1 - Attachment structure and refrigeration cycle device

Info

Publication number: WO2023188059A1
Application number: PCT/JP2022/015793
Authority: WO
Inventors: 昌寛岡島; 嘉一村上
Original assignee: 三菱電機株式会社
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2023-10-05
Also published as: JPWO2023188059A1

Abstract

An attachment structure according to the present disclosure comprises: a flat pipe that extends in a first direction and has a dimension in a second direction that is perpendicular to the first direction greater than the dimension in a third direction that is perpendicular to both the first direction and the second direction; a temperature detecting element attached to the flat pipe; and an attachment member that attaches the temperature detecting element to the flat pipe. A plurality of flow paths aligned in the second direction are formed inside the flat pipe. The attachment member has: a first supporting wall part that is positioned on a first side in the third direction with respect to the flat pipe; a second supporting wall part that is positioned on a second side in the third direction with respect to the flat pipe; a connecting wall part that joins the first supporting wall part and the second supporting wall part; and an engagement wall part that protrudes from the first supporting wall part to the second side and sandwiches the flat pipe between itself and the connecting wall part in the second direction. A through-hole is formed in the connecting wall part, and the temperature detecting element passes through the through-hole and is disposed between the flat pipe and the second supporting wall part and is in contact with the flat pipe, and the second supporting wall part presses the temperature detecting element against the flat pipe while the second supporting wall part is deformed in the third direction.

Description

Mounting structure and refrigeration cycle equipment

The present disclosure relates to a mounting structure and a refrigeration cycle device.

A mounting structure for attaching a temperature detection element such as a thermistor to piping is known. For example, Patent Document 1 describes a mounting structure for mounting a thermistor on a cylindrical pipe.

Japanese Patent Application Publication No. 2000-146264

The above-described mounting structure is provided, for example, in a refrigeration cycle device such as an air conditioner. In a refrigeration cycle device such as an air conditioner, for example, the heat exchanger of an outdoor unit may have a flat tube. Since the above mounting structure is a structure in which the temperature detection element is attached to a cylindrical pipe, the temperature detection element cannot be attached to a flat tube. Therefore, conventionally, when attaching a temperature detection element to a heat exchanger having a flat tube, the temperature detection element was attached to a cylindrical pipe provided separately from the flat tube. Therefore, there were problems such as difficulty in accurately detecting the temperature of the flat tube.

In view of the above circumstances, an object of the present disclosure is to provide a mounting structure that can suitably attach a temperature detection element to a flat tube, and a refrigeration cycle device equipped with such a mounting structure.

One aspect of the mounting structure according to the present disclosure is a third direction that extends in a first direction and has a dimension in a second direction orthogonal to the first direction that is orthogonal to both the first direction and the second direction. a flat tube larger in size than the flat tube, a temperature detection element extending in one direction and attached to the flat tube, and a mounting member attaching the temperature detection element to the flat tube, and inside the flat tube, A plurality of channels through which fluid flows are formed in line in the second direction, and the mounting member is located on a first side in the third direction with respect to the flat tube, and the first support wall is in contact with the flat tube. a second support wall portion located on a second side opposite to the first side in the third direction with respect to the flat tube; the first support wall portion and the second support wall portion. and an engagement wall that protrudes from the first support wall to the second side and sandwiches the flat tube in the second direction between the connection wall and the connection wall. A through hole passing through the connection wall in the second direction is formed in the wall, and the temperature detection element is inserted through the through hole and is inserted between the flat tube and the second support wall. The second support wall portion is placed in contact with the flat tube, and presses the temperature sensing element against the flat tube while being elastically deformed in the third direction.

One aspect of the refrigeration cycle device according to the present disclosure includes the above-described mounting structure, a heat exchanger having the flat tube, and a control unit to which the temperature detection element is electrically connected.

According to the present disclosure, a temperature detection element can be suitably attached to a flat tube in a refrigeration cycle device or the like.

1 is a schematic diagram showing a schematic configuration of a refrigeration cycle device in Embodiment 1. FIG. 1 is a perspective view showing an outdoor unit in Embodiment 1. FIG. It is a perspective view showing a heat exchanger of an outdoor unit in Embodiment 1. FIG. 3 is a diagram showing a part of the heat exchanger of the outdoor unit in Embodiment 1, viewed from the rear side. FIG. 3 is a perspective view showing the mounting structure in the first embodiment. 6 is a perspective view showing the mounting structure in Embodiment 1, and is a view of the mounting structure viewed from a different angle from that in FIG. 5. FIG. 7 is a sectional view showing the mounting structure in Embodiment 1, and is a sectional view taken along VII-VII in FIG. 6. FIG. 8 is a sectional view showing the mounting structure in Embodiment 1, and is a sectional view taken along line VIII-VIII in FIG. 7. FIG. 9 is a sectional view showing the mounting structure in Embodiment 1, and is a sectional view taken along line IX-IX in FIG. 8. FIG. FIG. 3 is a perspective view showing a mounting member in Embodiment 1. FIG. 11 is a perspective view showing the mounting member in Embodiment 1, and is a view of the mounting member viewed from a different angle from that in FIG. 10. FIG. FIG. 3 is a cross-sectional view showing the mounting member in the first embodiment. FIG. 7 is a perspective view showing a mounting structure in Embodiment 2;

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. Note that the scope of the present disclosure is not limited to the following embodiments, and can be arbitrarily modified within the scope of the technical idea of the present disclosure. Further, in the following drawings, in order to make each structure easier to understand, the scale and number of each structure may be different from the scale and number of the actual structure.

Additionally, the drawings appropriately indicate an X axis, a Y axis, and a Z axis. The X-axis indicates one of the horizontal directions. The Y axis indicates the other horizontal direction. The Z axis indicates the vertical direction. In the following explanation, the horizontal direction along the X-axis will be referred to as the "back-and-forth direction ”. The front-rear direction X, the left-right direction Y, and the vertical direction Z are directions that are orthogonal to each other. In the following explanation, the side of the vertical direction Z that the Z-axis arrow points to (+Z side) is referred to as the upper side, and the side of the vertical direction Z that is opposite to the side that the Z-axis arrow points to (-Z side) is referred to as the lower side. do. Further, in the front-rear direction X, the side toward which the X-axis arrow points (+X side) is the front side, and in the front-rear direction X, the side opposite to the side toward which the X-axis arrow points (-X side) is the rear side. Moreover, the left-right direction Y is the left-right direction when the outdoor unit of the following embodiment is viewed from the front side (+X side). In other words, the side of the left-right direction Y that the Y-axis arrow points to (+Y side) is the right side, and the side of the left-right direction Y that is opposite to the side that the Y-axis arrow points to (-Y side) is the left side.

Embodiment 1.
FIG. 1 is a schematic diagram showing a schematic configuration of a refrigeration cycle device 100 in the first embodiment. The refrigeration cycle device 100 is a device that uses a refrigeration cycle in which refrigerant 19 circulates. In the first embodiment, refrigeration cycle device 100 is an air conditioner. As shown in FIG. 1, the refrigeration cycle device 100 includes an outdoor unit 10, an indoor unit 20, and a circulation path section 18. The outdoor unit 10 is placed outdoors. The indoor unit 20 is placed indoors. The outdoor unit 10 and the indoor unit 20 are connected to each other by a circulation path section 18 through which a refrigerant 19 circulates. The outdoor unit 10 and the indoor unit 20 are heat exchange units that exchange heat with air.

The refrigeration cycle device 100 can adjust the temperature of indoor air by exchanging heat between the refrigerant 19 flowing in the circulation path section 18 and the air in the room where the indoor unit 20 is placed. Examples of the refrigerant 19 include a fluorine-based refrigerant or a hydrocarbon-based refrigerant that has a low global warming potential (GWP).

The outdoor unit 10 includes a housing 11, a compressor 12, a heat exchanger 13, a flow rate adjustment valve 14, a blower 15, a four-way valve 16, and a control section 17. Inside the housing 11, a compressor 12, a heat exchanger 13, a flow rate regulating valve 14, an air blower 15, a four-way valve 16, and a control unit 17 are housed.

The compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are provided in a portion of the circulation path portion 18 located inside the housing 11. The compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are connected by a portion of the circulation path portion 18 located inside the housing 11.

The four-way valve 16 is provided in a portion of the circulation path section 18 that is connected to the discharge side of the compressor 12. The four-way valve 16 can reverse the direction of the refrigerant 19 flowing within the circulation path section 18 by switching a part of the circulation path section 18 . When the path connected by the four-way valve 16 is the path shown by the solid line in the four-way valve 16 in FIG. 1, the refrigerant 19 flows in the circulation path section 18 in the direction shown by the solid line arrow in FIG. On the other hand, when the path connected by the four-way valve 16 is the path shown by the broken line in the four-way valve 16 in FIG. 1, the refrigerant 19 flows in the circulation path portion 18 in the direction shown by the broken line arrow in FIG.

The indoor unit 20 includes a housing 21, a heat exchanger 22, and a blower 23. The housing 21 houses a heat exchanger 22 and a blower 23 therein. The indoor unit 20 is capable of a cooling operation that cools the air in the room where the indoor unit 20 is placed, and a heating operation that warms the air in the room where the indoor unit 20 is placed.

When the indoor unit 20 is operated for cooling, the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the solid arrow in FIG. 1. That is, when the indoor unit 20 is operated for cooling, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 13 of the outdoor unit 10, the flow rate adjustment valve 14, and the heat exchanger 22 of the indoor unit 20. are circulated in this order and returned to the compressor 12. In the cooling operation, the heat exchanger 13 in the outdoor unit 10 functions as a condenser, and the heat exchanger 22 in the indoor unit 20 functions as an evaporator.

On the other hand, when the indoor unit 20 is operated for heating, the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the broken line in FIG. That is, when the indoor unit 20 is operated for heating, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 22 of the indoor unit 20, the flow rate adjustment valve 14, and the heat exchanger 13 of the outdoor unit 10. are circulated in this order and returned to the compressor 12. In heating operation, the heat exchanger 13 in the outdoor unit 10 functions as an evaporator, and the heat exchanger 22 in the indoor unit 20 functions as a condenser.

Next, the outdoor unit 10 will be explained in more detail. FIG. 2 is a perspective view showing the outdoor unit 10. FIG. 3 is a perspective view showing the heat exchanger 13 of the outdoor unit 10. FIG. 4 is a diagram of a part of the heat exchanger 13 of the outdoor unit 10 viewed from the rear side (-X side). Note that FIG. 4 is a diagram of, for example, a portion of the heat exchanger 13 surrounded by an imaginary circle P shown by a two-dot chain line in FIG. 3, viewed from the rear side. The portion of the heat exchanger 13 surrounded by the virtual circle P is the right (+Y side) end of the lower end of the first portion 13a.

As shown in FIG. 2, the outdoor unit 10 has a substantially rectangular parallelepiped shape that is long in the vertical direction Z. The housing 11 of the outdoor unit 10 has a substantially rectangular parallelepiped box shape that is long in the vertical direction Z. In the first embodiment, two blowers 15 are housed inside the casing 11 in line with each other in the vertical direction Z.

As shown in FIG. 3, in the first embodiment, the heat exchanger 13 has a substantially L-shape when viewed in the vertical direction Z. The heat exchanger 13 has a first portion 13a extending in the left-right direction Y, and a second portion 13b extending toward the front side (+X side) from the left end (−Y side) of the first portion 13a. As shown in FIG. 4, the heat exchanger 13 includes a plurality of flat tubes 40 arranged at intervals in the vertical direction Z. Refrigerant 19 flows inside the plurality of flat tubes 40 . A temperature detection element 60 is attached to one of the plurality of flat tubes 40 by an attachment member 50. In the first embodiment, a temperature detection element 60 is attached from the rear side (-X side) to a part of the flat tube 40 located in the area surrounded by the virtual circle P in FIG.

Next, the attachment structure 30 for attaching the temperature detection element 60 to the flat tube 40 using the attachment member 50 will be described in detail. In the first embodiment, the portion of the flat tube 40 to which the temperature detection element 60 is attached constitutes a part of the first portion 13a of the heat exchanger 13, and extends in the left-right direction Y. In the following description of the mounting structure 30, the "first direction" in which the flat tube 40 extends is referred to as the left-right direction Y, the "second direction" orthogonal to the first direction is referred to as the front-back direction X, and the first direction and the second direction The "third direction" perpendicular to both is defined as the vertical direction Z. In addition, in the following description of the mounting structure 30, the upper side in the vertical direction Z is the "first side" in the third direction, and the lower side in the vertical direction Z is the "second side" opposite to the first side in the third direction. side”.

FIG. 5 is a perspective view showing the mounting structure 30. FIG. 6 is a perspective view showing the mounting structure 30, and is a view of the mounting structure 30 from a different angle from that in FIG. FIG. 7 is a sectional view showing the mounting structure 30, and is a sectional view taken along line VII-VII in FIG. FIG. 8 is a sectional view showing the mounting structure 30, and is a sectional view taken along line VIII-VIII in FIG. FIG. 9 is a sectional view showing the mounting structure 30, and is a sectional view taken along line IX--IX in FIG. FIG. 10 is a perspective view showing the mounting member 50. FIG. 11 is a perspective view showing the mounting member 50, and is a view of the mounting member 50 seen from a different angle from that in FIG. FIG. 12 is a sectional view showing the mounting member 50.

As shown in FIGS. 5 and 6, the attachment structure 30 includes a flat tube 40, a temperature detection element 60 attached to the flat tube 40, and an attachment member 50 that attaches the temperature detection element 60 to the flat tube 40. The temperature detection element 60 extends in one direction. In the first embodiment, one direction in which the temperature detection element 60 extends is the front-rear direction X. The temperature detection element 60 has a cylindrical shape extending in the front-rear direction X. The temperature detection element 60 is an element that is attached in contact with the flat tube 40 and detects the surface temperature of the flat tube 40. In the first embodiment, temperature detection element 60 is a thermistor. The surface temperature of the flat tube 40 tends to be approximately the same as the temperature of the refrigerant 19 flowing inside the flat tube 40. Therefore, by detecting the surface temperature of the flat tube 40 with the temperature detection element 60, the temperature of the refrigerant 19 flowing inside the flat tube 40 can be indirectly detected.

A plurality of wires 61 are connected to the rear (-X side) end of the temperature detection element 60. Although not shown, the plurality of wires 61 are electrically connected to the control section 17 of the outdoor unit 10. Thereby, the temperature detection element 60 is electrically connected to the control section 17. The control unit 17 controls the outdoor unit 10 based on a signal transmitted from the temperature detection element 60 via the wiring 61. For example, the control unit 17 performs a defrosting operation to remove frost generated in the heat exchanger 13 of the outdoor unit 10 based on a signal from the temperature detection element 60.

The flat tube 40 extends in the left-right direction Y. The flat tube 40 is a tube whose dimension in the front-rear direction X is larger than its dimension in the vertical direction Z. The flat tube 40 is a tube that is flat in the vertical direction Z. The cross-sectional shape of the flat tube 40 in a cross section perpendicular to the left-right direction Y is a rectangular shape with rounded corners elongated in the front-rear direction X. The surfaces on both sides of the flat tube 40 in the vertical direction Z are flat surfaces perpendicular to the vertical direction Z.

Inside the flat tube 40, a plurality of channels 41 through which fluid flows are formed in line in the front-rear direction X. In the first embodiment, the fluid flowing through the flow path 41 is the refrigerant 19. The number of channels 41 formed inside one flat tube 40 is not particularly limited. In the example shown in FIGS. 5 and 6, five channels 41 are formed inside the flat tube 40. Each flow path 41 extends in the direction in which the flat tube 40 extends, that is, in the left-right direction Y. The plurality of channels 41 are formed by partitioning the inside of the flat tube 40 into a plurality of sections in the front-rear direction X.

As shown in FIGS. 5 to 9, the attachment member 50 is a member for attaching the temperature detection element 60 to the flat tube 40. The attachment member 50 is a clip member that attaches the temperature detection element 60 to the flat tube 40 by sandwiching the temperature detection element 60 and the flat tube 40 together in the vertical direction Z. In the first embodiment, the mounting member 50 is a sheet metal member made by subjecting a sheet metal to press working or the like. As shown in FIGS. 10 to 12, the mounting member 50 includes a first support wall portion 51, a second support wall portion 52, a connection wall portion 53, an engagement wall portion 54, a pair of

guide portions

55, 56.

The first support wall portion 51 has a rectangular plate shape that is long in the front-rear direction X. The plate surface of the first support wall portion 51 faces the vertical direction Z. More specifically, the plate surface of the first support wall portion 51 is perpendicular to the vertical direction Z. As shown in FIG. 5, the first support wall portion 51 is located above the flat tube 40. The first support wall portion 51 is in contact with the flat tube 40 . More specifically, the lower surface of the first support wall portion 51 is in contact with the upper surface of the flat tube 40.

As shown in FIGS. 10 to 12, the second support wall portion 52 has a substantially rectangular plate shape that is long in the front-rear direction X. As shown in FIGS. The plate surface of the second support wall portion 52 faces the vertical direction Z. The second support wall portion 52 is arranged below and apart from the first support wall portion 51 . The front end (+X side) of the second support wall 52 is located further back (−X side) than the front end of the first support wall 51 . As shown in FIG. 6, the second support wall portion 52 is located below the flat tube 40. The second support wall portion 52 is located away from the flat tube 40 on the lower side. A temperature detection element 60 is inserted between the second support wall portion 52 and the flat tube 40 in the vertical direction Z. In the first embodiment, the temperature detection element 60 is located above the second support wall portion 52 in the vertical direction Z and below the flat tube 40 in the vertical direction Z. As shown in FIGS. 10 to 12, the second support wall portion 52 includes a main body portion 52a,

support portions

52b and 52c, and a connection portion 52d.

The main body portion 52a has a substantially square plate shape. The plate surface of the main body portion 52a faces the vertical direction Z. More specifically, the plate surface of the main body portion 52a is perpendicular to the vertical direction Z. The support portion 52b and the support portion 52c are spaced apart from each other in the front-rear direction X. The support portion 52b and the support portion 52c are arranged to sandwich the main body portion 52a in the front-rear direction X. The support portion 52b is connected to the rear (−X side) edge of the main body portion 52a. The support portion 52c is connected to the front (+X side) edge of the main body portion 52a.

As shown in FIGS. 10 and 11, the

support portions

52b and 52c extend in the left-right direction Y. The

support parts

52b and 52c protrude upward from the main body part 52a. As shown in FIG. 12, the

support portions

52b and 52c have a semicircular arc shape that is convex upward when viewed in the left-right direction Y. As shown in FIG. In other words, the upper surfaces of the

support portions

52b and 52c have an arcuate shape that is convex upward when viewed in the left-right direction Y. The support portion 52b is formed by bending a portion of the second support wall portion 52 on the rear side (−X side) of the main body portion 52a into an upwardly convex arc shape. The support portion 52c is formed by bending a portion of the second support wall portion 52 on the front side (+X side) of the main body portion 52a into an upwardly convex arc shape. The front end of the support portion 52c is the front end of the second support wall portion 52. As shown in FIG. 8, the

support parts

52b and 52c protrude upward and are in contact with the temperature detection element 60. More specifically, the upper vertex of the

support parts

52b and 52c is in contact with the lower end of the temperature detection element 60.

The connecting portion 52d is a portion of the second support wall portion 52 that is connected to the connecting wall portion 53. The connecting portion 52d connects the rear (−X side) end of the support portion 52b and the lower end of the connecting wall portion 53. The rear end of the connecting portion 52d is the rear end of the second support wall portion 52. As shown in FIGS. 10 and 11, the connecting portion 52d extends in the left-right direction Y. As shown in FIGS. The second support wall portion 52 is a leaf spring that can be elastically deformed in the vertical direction Z using the connecting portion 52d as a fulcrum.

When the temperature detection element 60 is attached to the flat tube 40, the second support wall portion 52 is in a state in which it is slightly elastically deformed downward using the connecting portion 52d as a fulcrum. Thereby, the second support wall portion 52 applies an upward elastic force to the temperature detection element 60 via the pair of

support portions

52b and 52c. The temperature detection element 60, which receives an upward elastic force from the second support wall portion 52, is pressed against the lower surface of the flat tube 40. Thereby, the temperature detection element 60 is in contact with the flat tube 40. In this manner, the second support wall portion 52 presses the temperature detection element 60 against the flat tube 40 while being elastically deformed in the vertical direction Z.

The connection wall portion 53 is a wall portion that connects the first support wall portion 51 and the second support wall portion 52. In the first embodiment, the connection wall 53 connects the rear end (-X side) of the first support wall 51 and the rear end of the second support wall 52. The connection wall portion 53 has a rectangular plate shape that is long in the left-right direction Y. The plate surface of the connection wall portion 53 faces the front-rear direction X. More specifically, the plate surface of the connecting wall portion 53 is perpendicular to the front-rear direction X. The upper end of the connection wall 53 is connected to the rear end of the first support wall 51 . The lower end portion of the connecting wall portion 53 is connected to the rear end portion of the second support wall portion 52, that is, the rear end portion of the connecting portion 52d.

A through hole 53a is formed in the connection wall portion 53. The through hole 53a penetrates the connection wall portion 53 in the front-rear direction X. In the first embodiment, the through hole 53a is a rectangular hole that is long in the left-right direction Y. The dimension of the through hole 53a in the left-right direction Y and the dimension of the through hole 53a in the vertical direction Z are larger than the outer diameter of the cylindrical temperature detection element 60. Of the inner edges of the through hole 53a, both edges in the left-right direction Y are arranged apart from both ends of the connection wall portion 53 in the left-right direction Y, respectively.

The lower inner edge of the through hole 53a is arranged above and away from the lower end of the connection wall portion 53. As shown in FIGS. 8 and 12, the lower edge of the inner edge of the through hole 53a is arranged at approximately the same position in the vertical direction Z as the upper end portions of the

supports

52b and 52c. The lower inner edge of the through hole 53a is located slightly below the upper ends of the

support parts

52b and 52c.

The upper edge of the inner edge of the through hole 53a is located further away from the upper end of the connection wall portion 53 on the lower side. As shown in FIG. 8, the upper edge of the inner edge of the through hole 53a is located above the lower surface of the flat tube 40. A temperature detection element 60 is passed through the through hole 53a in the front-rear direction X. The temperature detection element 60 is passed through the through hole 53a and is disposed between the flat tube 40 and the second support wall portion 52. The outer peripheral surface of the portion of the temperature detection element 60 inserted into the through hole 53a is arranged slightly away from the inner edge of the through hole 53a. Note that a part of the outer peripheral surface of the portion of the temperature detection element 60 inserted into the through hole 53a may contact the inner edge of the through hole 53a.

As shown in FIG. 11, the engagement wall portion 54 protrudes downward from the first support wall portion 51. More specifically, the engagement wall 54 protrudes downward from the front (+X side) end of the first support wall 51 . The engagement wall portion 54 has a rectangular plate shape that is long in the left-right direction Y. The plate surface of the engagement wall portion 54 faces in the front-rear direction X. More specifically, the plate surface of the engagement wall portion 54 is perpendicular to the front-rear direction X. As shown in FIG. 8, the engagement wall portion 54 and the connection wall portion 53 sandwich the flat tube 40 in the front-rear direction X. As shown in FIG. The connecting wall portion 53 and the engaging wall portion 54 are in contact with the flat tube 40. In the first embodiment, the flat tube 40 is fitted between the connecting wall portion 53 and the engaging wall portion 54 in the front-rear direction X.

The lower end of the engagement wall portion 54 is located below the upper edge of the inner edge of the through hole 53a. The lower end of the engagement wall portion 54 is located below the flat tube 40. The lower end of the engagement wall 54 is located above the second support wall 52. The lower end of the engagement wall portion 54 is located above the central axis C of the temperature detection element 60. The central axis C is an imaginary line passing through the center of the cylindrical temperature sensing element 60 and extending in the front-rear direction X. As shown in FIG. 11, the lower end of the engagement wall portion 54 is located above the pair of

guide portions

55, 56.

As shown in FIG. 8, the lower part of the engagement wall part 54 is arranged opposite to the front side (+X side) of the upper part of the temperature detection element 60. In other words, the temperature detection element 60 is arranged to face a portion of the engagement wall portion 54 located below the flat tube 40 in the front-rear direction X. The rear (−X side) surface of the engagement wall portion 54 is in contact with the front (+X side) end of the flat tube 40 and the front end of the temperature detection element 60.

As shown in FIG. 11, the pair of

guide parts

55 and 56 are connected to both edges of the second support wall part 52 in the left-right direction Y, respectively. The guide portion 55 is connected to the left (-Y side) edge of the main body portion 52a of the second support wall portion 52. The guide portion 56 is connected to the right (+Y side) edge of the main body portion 52a of the second support wall portion 52. The guide portion 55 and the guide portion 56 are arranged opposite to each other with an interval in the left-right direction Y. As shown in FIG. 9, the pair of

guide parts

55 and 56 are arranged to sandwich the part of the temperature detection element 60 located between the flat tube 40 and the second support wall part 52 in the left-right direction Y. . The pair of

guide portions

55 and 56 are arranged to sandwich a portion of the temperature detection element 60 located below the central axis C in the left-right direction Y.

As shown in FIG. 11, the guide portion 55 includes a protruding wall portion 55a that protrudes upward from the left (−Y side) edge of the main body portion 52a, and a protruding wall portion 55a that protrudes upward from the left (−Y side) edge of the main body portion 52a, and a right side (+Y side) from the upper end of the protruding wall portion 55a. ). The guide portion 56 has a protruding wall portion 56a that protrudes upward from the right edge of the main body portion 52a, and a guide wall portion 56b that protrudes to the left from the upper end of the protruding wall portion 56a. The protruding

wall portions

55a and 56a have a rectangular plate shape extending in the front-rear direction X. The plate surfaces of the protruding

walls

55a and 56a face the left-right direction Y.

The pair of

guide walls

55b and 56b are plate-shaped with plate surfaces facing in the vertical direction Z. The pair of

guide walls

55b and 56b are arranged facing each other with an interval in the left-right direction Y. The right (+Y side) edge of the guide wall 55b is a guide edge 55c extending in the front-rear direction X. The left (-Y side) edge of the guide wall 56b is a guide edge 56c extending in the front-rear direction X. The pair of guide edges 55c and 56c are arranged opposite to each other with an interval in the left-right direction Y.

As shown in FIG. 9, the pair of guide edges 55c and 56c face the temperature detection element 60 in the left-right direction Y. In the first embodiment, the pair of guide edges 55c and 56c face the temperature detection element 60 with a gap interposed therebetween. The pair of guide edges 55c and 56c are arranged to sandwich a portion of the temperature detection element 60 located below the center of the temperature detection element 60 in the vertical direction Z, that is, the central axis C, in the left-right direction Y. There is. In the first embodiment, the pair of guide edges 55c and 56c face the temperature detection element 60 with a gap interposed therebetween. Note that the pair of guide edges 55c and 56c may be in contact with the temperature detection element 60.

As shown in FIG. 7, the guide edge 55c has an inclined part 55d and a straight part 55e. The inclined portion 55d is a portion on the rear side (−X side) of the guide edge portion 55c. The inclined portion 55d extends linearly in a direction inclined in the left-right direction Y with respect to the front-rear direction X. The inclined portion 55d is located on the right side (+Y side) toward the front side (+X side). The straight portion 55e is a portion on the front side of the guide edge portion 55c. The dimension of the straight portion 55e in the front-rear direction X is smaller than the dimension of the inclined portion 55d in the front-rear direction X. The straight portion 55e is connected to the end portion of the inclined portion 55d in the front-rear direction X on the side farthest from the connection wall portion 53 (+X side), that is, the front end portion. The straight portion 55e extends in the front-rear direction X along the temperature detection element 60. In the first embodiment, the straight portion 55e extends linearly in parallel to the front-rear direction X.

The guide edge portion 56c has an inclined portion 56d and a straight portion 56e. The inclined portion 56d is a portion on the rear side (−X side) of the guide edge portion 56c. The inclined portion 56d extends linearly in a direction inclined in the left-right direction Y with respect to the front-rear direction X. The inclined portion 56d is located on the left side (-Y side) toward the front side (+X side). The straight portion 56e is the front portion of the guide edge 56c. The dimension of the straight portion 56e in the front-rear direction X is smaller than the dimension of the inclined portion 56d in the front-rear direction X. The straight portion 56e is connected to the end of the inclined portion 56d in the front-rear direction X on the side far from the connection wall portion 53 (+X side), that is, the front end. The straight portion 56e extends in the front-rear direction X along the temperature detection element 60. In the first embodiment, the straight portion 56e extends linearly parallel to the front-rear direction X.

The

inclined portions

55d and 56d of the pair of

guide portions

55 and 56 are arranged to sandwich the temperature detection element 60 in the left-right direction Y. The pair of

inclined portions

55d and 56d extend toward each other toward the front side (+X side). In other words, the pair of

inclined parts

55d and 56d extend in a direction closer to each other as they move away from the connecting wall part 53 in the front-rear direction X. The distance in the left-right direction Y between the rear (-X side) ends of the pair of

inclined parts

55d and 56d is larger than the outer diameter of the temperature detection element 60.

The

straight portions

55e and 56e of the pair of

guide portions

55 and 56 are arranged to sandwich the temperature detection element 60 in the left-right direction Y. The distance between the pair of

straight portions

55e and 56e in the left-right direction Y is the same throughout the front-rear direction X. The distance in the left-right direction Y between the pair of

straight portions

55e and 56e is the same as the distance in the left-right direction Y between the rear (−X side) ends of the pair of

inclined portions

55d and 56d. As shown in FIG. 9, the distance between the pair of

straight portions

55e and 56e in the left-right direction Y is smaller than the outer diameter of the temperature detection element 60. The pair of

straight portions

55e and 56e face the temperature detection element 60 with a gap therebetween. Note that the pair of

straight portions

55e and 56e may be in contact with the temperature detection element 60.

An operator who attaches the temperature detection element 60 to the flat tube 40 using the attachment structure 30 first attaches the attachment member 50 to the flat tube 40. Specifically, the operator fits the flat tube 40 between the connection wall 53 and the engagement wall 54 while hooking the first support wall 51 of the mounting member 50 onto the flat tube 40 from above. Next, the operator inserts the temperature detection element 60 into the through hole 53a formed in the connection wall part 53 from the rear side (-X side), and inserts the temperature detection element 60 between the flat tube 40 and the second support wall part 52. Insert it in between. The operator inserts the temperature detection element 60 to the front side (+X side) until the front end of the temperature detection element 60 hits the engagement wall part 54.

Here, when the temperature detection element 60 is not attached, the distance in the vertical direction Z between the upper end part of the support part 52b of the second support wall part 52 and the flat tube 40 is slightly smaller than the diameter. Therefore, when the temperature detection element 60 is inserted between the support part 52b and the flat tube 40, the support part 52b is pushed downward by the temperature detection element 60, and the second support wall part 52 and the flat tube 40 are pushed downward. The space between them is pushed wider. As a result, the second support wall portion 52 is elastically deformed downward. The operator inserts the temperature detection element 60 further to the front side (+X side) against the elastic force that the temperature detection element 60 receives from the second support wall part 52, and inserts the front end of the temperature detection element 60 into the engagement wall part. Hit 54. As described above, the temperature detection element 60 is attached to the flat tube 40.

According to the first embodiment, the mounting member 50 includes a first support wall portion 51 located above the flat tube 40, a second support wall portion 52 located below the flat tube 40, The flat tube 40 is connected in the front-rear direction It has an engaging wall portion 54 which is sandwiched therebetween. A through hole 53a is formed in the connection wall portion 53, passing through the connection wall portion 53 in the front-rear direction X. The temperature detection element 60 extending in one direction is passed through the through hole 53a and disposed between the flat tube 40 and the second support wall portion 52, and is in contact with the flat tube 40. The second support wall portion 52 presses the temperature detection element 60 against the flat tube 40 while being elastically deformed in the vertical direction Z. Therefore, by sandwiching the flat tube 40 and the temperature detection element 60 between the first support wall part 51 and the second support wall part 52, the temperature detection element 60 is suitably flattened while being in contact with the flat tube 40. It can be attached to the tube 40.

Further, the temperature detection element 60 can be attached to the flat tube 40 by simply inserting the temperature detection element 60 through the through hole 53a after hooking the attachment member 50 onto the flat tube 40. Therefore, the work of attaching the temperature detection element 60 to the flat tube 40 can be facilitated. Further, when removing the temperature detection element 60 from the flat tube 40, pull the temperature detection element 60 to the rear side (-X side) and remove the temperature detection element 60 from the first support wall part 51 and the second support wall part 50. Just pull it out from between. Therefore, the work of removing the temperature detection element 60 from the flat tube 40 can be done easily.

Further, inside the flat tube 40, a plurality of channels 41 through which the refrigerant 19 as a fluid flows are formed in a line in the front-rear direction X, that is, a direction perpendicular to the direction in which the flat tube 40 extends. Therefore, for example, if the temperature detection element 60 is attached to the flat tube 40 with the direction in which the temperature detection element 60 extends aligned with the direction in which the flat tube 40 extends, the part of the flat tube 40 where the flow path 41 is formed will be The temperature detection element 60 may not come into contact with the surface. Therefore, the surface temperature of the flat tube 40 detected by the temperature detection element 60 becomes a temperature based on the temperature of the refrigerant 19 flowing only in some of the channels 41 among the plural channels 41. There is a possibility that the surface temperature of the flat tube 40 through which the refrigerant 19 flows cannot be properly detected.

On the other hand, according to the first embodiment, the temperature is The detection element 60 can be attached to the flat tube 40. Therefore, the temperature detection element 60 can be brought into contact with each of the surfaces of the portion of the flat tube 40 in which the plurality of channels 41 arranged in the front-rear direction X are formed. Thereby, the temperature detection element 60 can easily detect the surface temperature of the flat tube 40 through which the refrigerant 19 flows in the plurality of channels 41 with good precision.

As described above, according to the first embodiment, the temperature detection element 60 can be suitably attached to the flat tube 40 by the attachment structure 30. Thereby, the control unit 17 electrically connected to the temperature detection element 60 can suitably and accurately detect the surface temperature of the flat tube 40 included in the heat exchanger 13 using the temperature detection element 60. Therefore, the outdoor unit 10 can be suitably controlled by the control unit 17.

Furthermore, according to the first embodiment, the temperature detection element 60 is located below the flat tube 40 in the vertical direction Z. Therefore, even if the condensed water generated in the heat exchanger 13 remains on the upper surface of the flat tube 40, the condensed water does not come into contact with the temperature detection element 60. Thereby, it is possible to suppress the condensed water from coming into contact with the temperature detection element 60 for a long time, and it is possible to suppress the occurrence of malfunctions such as malfunctions in the temperature detection element 60.

Further, according to the first embodiment, the second support wall portion 52 includes a plurality of

support portions

52b and 52c that protrude upward and contact the temperature detection element 60. The plurality of

support parts

52b and 52c are arranged at intervals in the front-rear direction X. Therefore, the second support wall portion 52 can be suitably brought into contact with the temperature detection element 60 by the plurality of

support portions

52b and 52c. Thereby, the elastic force can be suitably transmitted from the second support wall portion 52 to the temperature detection element 60, and the temperature detection element 60 can be suitably pressed against the flat tube 40. Further, even if condensed water accumulates on the upper surface of the main body 52 a of the second support wall 52 , the temperature detection element 60 can be moved to the main body of the second support wall 52 by the

support parts

52 b and 52 c that protrude upward. It can be arranged upwardly away from the portion 52a. Therefore, it is possible to suppress the condensed water that remains on the main body part 52a of the second support wall part 52 from coming into contact with the temperature detection element 60 for a long time, and it is possible to further suppress the occurrence of malfunctions such as malfunctions in the temperature detection element 60. .

Furthermore, according to the first embodiment, the upper surfaces of the plurality of

support parts

52b and 52c have an arcuate shape that is convex upward when viewed in the left-right direction Y. Therefore, the apexes of the

arcuate support portions

52b and 52c can be brought into contact with the temperature detection element 60, and the contact area between the second support wall portion 52 and the temperature detection element 60 can be reduced. Therefore, for example, it is easier to prevent condensed water from entering and staying between the second support wall portion 52 and the temperature detection element 60, and it is possible to further suppress the temperature detection element 60 from coming into contact with the condensed water for a long time. In the first embodiment, since the temperature detection element 60 has a circular shape when viewed in the front-rear direction X, the contact between the temperature detection element 60 and each

support portion

52b, 52c is approximately a point contact. This makes it easier to prevent condensed water from entering and staying between the second support wall portion 52 and the temperature detection element 60. Moreover, since the upper surfaces of the plurality of

support parts

52b, 52c are arc-shaped, even if dew condensation water adheres to the

support parts

52b, 52c, the dew condensation water can flow downward. Thereby, it is possible to more preferably suppress the contact of dew condensed water with the temperature detection element 60 for a long time.

Further, according to the first embodiment, the mounting member 50 includes a pair of mounting members arranged to sandwich the portion of the temperature detection element 60 between the flat tube 40 and the second support wall portion 52 in the left-right direction Y. It has

guide parts

55 and 56. Each of the pair of

guide parts

55 and 56 has

guide edges

55c and 56c that face the temperature detection element 60 in the left-right direction Y and extend in the front-rear direction X. Therefore, the temperature detection element 60 can be positioned in the left-right direction Y by each

guide edge

55c, 56c of the pair of

guide parts

55, 56. Furthermore, it is possible to prevent the temperature detection element 60 from being disposed at an angle in the left-right direction Y with respect to the front-rear direction X.

Further, according to the first embodiment, the guide edges 55c and 56c of the pair of

guide parts

55 and 56 are located below the center of the temperature detection element 60 in the vertical direction Z. The parts are placed on both sides in the left-right direction Y. Therefore, the temperature detection element 60 can be supported in the left-right direction Y by the pair of

guide parts

55 and 56 at a position close to the second support wall part 52. This allows the second support wall portion 52 to easily apply elastic force to the temperature detection element 60 in a stable manner. Further, since the pair of guide edges 55c and 56c can be arranged close to the second support wall 52, it is easy to connect the pair of

guide parts

55 and 56 to the second support wall 52, and the pair of guide edges 55c and 56c can be easily connected to the second support wall 52. , 56 can be easily provided.

Furthermore, when the temperature detection element 60 is cylindrical as in the first embodiment, the portion below the central axis C of the temperature detection element 60 is sandwiched between the pair of guide edges 55c and 56c. The distance between the pair of guide edges 55c and 56c can be narrowed. Thereby, the dimensions of the

guide wall portions

55b, 56b in the pair of

guide portions

55, 56 in the left-right direction Y can be increased. Therefore, the pair of

guide walls

55b, 56b can be easily elastically deformed in the vertical direction Z. Therefore, even if the distance between the pair of guide edges 55c and 56c is smaller than the dimension in the left-right direction Y of the portion of the temperature detection element 60 sandwiched between the pair of

guide portions

55 and 56 due to dimensional tolerances, the guide wall By elastically deforming the guide edges 55b and 56b in the vertical direction Z, the temperature detection element 60 can be inserted between the pair of guide edges 55c and 56c.

Further, according to the first embodiment, the guide edges 55c and 56c have inclined

portions

55d and 56d extending in a direction inclined in the left-right direction Y with respect to the front-rear direction X. The

sloped portions

55d and 56d of the pair of

guide portions

55 and 56 are arranged to sandwich the temperature detection element 60 in the left-right direction Y, and extend toward each other as they move away from the connection wall portion 53 in the front-rear direction X. Therefore, even if the temperature detection element 60 is inclined in the left-right direction Y when inserted into the through hole 53a, by inserting the temperature detection element 60 to the front side (+X side), the pair of

inclined parts

55d, 56d Accordingly, the posture of the temperature detection element 60 can be corrected to a posture extending in the front-rear direction X. This makes it easy to suitably attach the temperature detection element 60 to the flat tube 40 with one direction in which the temperature detection element 60 extends perpendicular to the direction in which the flat tube 40 extends.

Furthermore, according to the first embodiment, the guide edges 55c and 56c have

straight portions

55e and 56e that extend in the front-rear direction X along the temperature detection element 60. The

straight portions

55e and 56e of the pair of

guide portions

55 and 56 are arranged to sandwich the temperature detection element 60 in the left-right direction Y, and the connecting wall portion 53 is located at the end of each

inclined portion

55d and 56e in the front-rear direction X. It is connected to the end on the far side (+X side). Therefore, when the temperature detection element 60 is inserted between the flat tube 40 and the second support wall part 52, the front end of the temperature detection element 60 is guided in the left-right direction Y by the pair of

inclined parts

55d and 56d. , are drawn between the pair of

straight portions

55e and 56e. Thereby, the temperature detection element 60 can be stably positioned in the left-right direction Y by the pair of

straight portions

55e and 56e. Therefore, it is easier to attach the temperature detection element 60 to the flat tube 40 in a state where one direction in which the temperature detection element 60 extends is perpendicular to the direction in which the flat tube 40 extends.

Furthermore, according to the first embodiment, the lower end of the engagement wall portion 54 is located below the flat tube 40. The temperature detection element 60 is arranged to face a portion of the engagement wall portion 54 located below the flat tube 40 in the front-rear direction X. Therefore, the temperature detection element 60 can be positioned in the front-rear direction X by abutting the front end of the temperature detection element 60 against the engagement wall part 54. As a result, the front end of the temperature detection element 60 can be prevented from being disposed protruding forward (+X side) relative to the flat tube 40, and the temperature detection element 60 can be suitably disposed in the front-rear direction X with respect to the flat tube 40. can do. Therefore, it is easier to bring the temperature detection element 60 into contact with each of the surfaces of the portion of the flat tube 40 where the plurality of channels 41 are formed. Therefore, the surface temperature of the flat tube 40 through which the refrigerant 19 flows in the plurality of channels 41 can be more easily detected by the temperature detection element 60.

Embodiment 2.
FIG. 13 is a perspective view showing the mounting structure 230 in the second embodiment. Note that, in the following description, the same components as those in the embodiment described above may be given the same reference numerals as appropriate, and the description thereof may be omitted.

As shown in FIG. 13, in the mounting structure 230 of the second embodiment, the second support wall 252 of the mounting member 250 is formed with a discharge hole 252e that penetrates the second support wall 252 in the vertical direction Z. There is. The discharge hole 252e is formed in the main body portion 52a of the second support wall portion 252. The discharge hole 252e is formed in the center portion of the main body portion 52a in the front-rear direction X and the left-right direction Y. The discharge hole 252e is located below the temperature detection element 60. In the second embodiment, the discharge hole 252e is a circular hole. Note that the shape of the discharge hole 252e is not particularly limited, and may be elliptical or polygonal. The other configurations of each part of the attachment structure 230 are the same as the other configurations of each part of the attachment structure 30 in the first embodiment.

According to the second embodiment, the second support wall portion 252 is formed with a discharge hole 252e that penetrates the second support wall portion 252 in the vertical direction Z. Therefore, even if dew condensation water or the like drips onto the upper surface of the second support wall portion 252, the dew condensation water can be discharged downward from the discharge hole 252e. Thereby, it is possible to suppress the accumulation of condensed water on the second support wall portion 252, and it is possible to further suppress the temperature detection element 60 from coming into contact with the condensed water for a long period of time. Therefore, occurrence of malfunctions such as malfunctions in the temperature detection element 60 can be further suppressed.

Although the embodiments of the present disclosure have been described above, the present disclosure is not limited to the configurations of each embodiment described above, and the following configurations and methods can also be adopted.

The temperature detection element is not particularly limited as long as it extends in one direction and can detect temperature. The temperature detection element may be a thermocouple, a resistance temperature detector, or another temperature sensor. One direction in which the temperature detection element extends when attached to the flat tube may be, for example, a direction that intersects both the direction in which the flat tube extends and the thickness direction of the flat tube. For example, in each of the embodiments described above, the temperature detection element 60 may be attached to the flat tube 40 with one direction in which the temperature detection element 60 extends inclined in the left-right direction Y with respect to the front-rear direction X. The temperature detection element may have a square columnar shape or an elliptical columnar shape as long as it extends in one direction.

The material constituting the mounting member is not particularly limited. The mounting member may be made of metal or resin. The second side (lower side) end of the engagement wall in the mounting member may be located on the first side (upper side) than the second side end of the flat tube, or may be located at the same position in the third direction (vertical direction Z) as the end portion of. In addition to the engagement wall, an opposing wall that faces the temperature detection element in the second direction (front-back direction X) may be provided. For example, an opposing wall portion may be provided that protrudes from the second support wall portion to the first side (upper side), and the tip portion (front end portion) of the temperature detection element may abut against the opposing wall portion. The number of support parts in the second support wall part is not particularly limited. The support portion may have any shape.

The pair of guide parts in the mounting member may have any configuration as long as it has a guide edge that faces the temperature detection element in the first direction (left-right direction Y) and extends in the second direction (front-back direction X). good. The pair of guide portions may be connected to the connection wall portion or may be connected to the first support wall portion. The pair of guide parts may not be provided.

The mounting structure of the present disclosure may be any structure as long as it is a structure in which a temperature detection element is attached to a flat tube, and may be applied to an indoor unit of a refrigeration cycle device, or may be applied to equipment other than a refrigeration cycle device. The fluid flowing through the flow path of the flat tube is not particularly limited, and may be water or the like. The refrigeration cycle device of the present disclosure may be any device that utilizes a refrigeration cycle in which refrigerant circulates, and is not limited to an air conditioner. The refrigeration cycle device may be a heat pump water heater or the like. As mentioned above, each structure and each method explained in this specification can be combined as appropriate within a mutually consistent range.

13... Heat exchanger, 17... Control unit, 19... Refrigerant (fluid), 30, 230... Mounting structure, 40... Flat tube, 41... Channel, 50, 250... Mounting member, 51... First support wall part, 52, 252... Second support wall part, 52b, 52c... Support part, 53... Connection wall part, 53a... Through hole, 54... Engagement wall part, 55, 56... Guide part, 55c, 56c... Guide edge part, 55d, 56d... Slanted part, 55e, 56e... Straight part, 60... Temperature detection element, 100... Refrigeration cycle device, 252e... Discharge hole, X... Front-rear direction (second direction), Y... Lateral direction (first direction) , Z...Vertical direction (third direction)

Claims

a flat tube extending in a first direction and having a dimension in a second direction orthogonal to the first direction that is larger than a dimension in a third direction orthogonal to both the first direction and the second direction;
a temperature detection element extending in one direction and attached to the flat tube;
a mounting member that attaches the temperature detection element to the flat tube;
Equipped with
Inside the flat tube, a plurality of channels through which fluid flows are formed in line in the second direction,
The mounting member is
a first support wall portion located on a first side in the third direction with respect to the flat tube and in contact with the flat tube;
a second support wall portion located on a second side opposite to the first side in the third direction with respect to the flat tube;
a connection wall portion connecting the first support wall portion and the second support wall portion;
an engagement wall that protrudes from the first support wall to the second side and sandwiches the flat tube in the second direction with the connection wall;
has
A through hole passing through the connection wall in the second direction is formed in the connection wall,
The temperature detection element is passed through the through hole and disposed between the flat tube and the second support wall, and is in contact with the flat tube,
The second support wall has a mounting structure that presses the temperature detection element against the flat tube while being elastically deformed in the third direction.
The mounting structure according to claim 1, wherein the temperature detection element is located below the flat tube in the vertical direction.
The second support wall portion has a plurality of support portions that protrude toward the first side and contact the temperature detection element,
The mounting structure according to claim 1 or 2, wherein the plurality of support parts are arranged at intervals in the second direction.
The mounting structure according to claim 3, wherein the first side surface of the plurality of support parts has an arc shape that is convex toward the first side when viewed in the first direction.
The mounting structure according to any one of claims 1 to 4, wherein the second support wall has a discharge hole that penetrates the second support wall in the third direction.
The mounting member includes a pair of guide portions arranged to sandwich a portion of the temperature detection element located between the flat tube and the second support wall portion in the first direction,
The mounting structure according to any one of claims 1 to 5, wherein each of the pair of guide parts has a guide edge that faces the temperature detection element in the first direction and extends in the second direction.
The guide edge portions of the pair of guide portions are arranged to sandwich, in the first direction, a portion of the temperature detection element located on the second side with respect to the center of the temperature detection element in the third direction. The mounting structure according to claim 6.
The guide edge has an inclined portion extending in a direction inclined in the first direction with respect to the second direction,
The slope portions of the pair of guide portions are arranged to sandwich the temperature detection element in the first direction, and extend in a direction that approaches each other as they move away from the connection wall portion in the second direction. The mounting structure described in 6 or 7.
The guide edge has a straight portion extending in the second direction along the temperature detection element,
The straight portions of the pair of guide portions are arranged to sandwich the temperature detection element in the first direction, and are located on the side farthest from the connection wall portion among the ends in the second direction of each of the inclined portions. The mounting structure according to claim 8, wherein the mounting structure is connected to an end portion.
The second end of the engagement wall is located closer to the second side than the flat tube,
10. The temperature detection element according to claim 1, wherein the temperature detection element is arranged to face a portion of the engagement wall portion located on the second side of the flat tube in the second direction. Mounting structure described.
The mounting structure according to any one of claims 1 to 10,
a heat exchanger having the flat tube;
a control unit to which the temperature detection element is electrically connected;
A refrigeration cycle device comprising: