JP2016138721A - Outdoor unit for air conditioner and air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner enabling an electronic component and a base plate to be easily detached and attached and the air conditioner.SOLUTION: An outdoor unit for an air conditioner includes: a casing 14; refrigerant piping 2 that is disposed on the back surface side D1b of the casing 14 while leaving a clearance with respect to the casing 14 and in which a refrigerant flows; a piping retaining metal fitting 18 provided on the back surface side D1b of the casing 14 and nipping the refrigerant piping 2 from the front surface side D1a, back surface side D1b, side surface side; a heat transfer member 17 provided so as to come into contact with the refrigerant piping 2 from the front surface side D1a and be attachable to/detachable from the refrigerant piping 2; an electronic component 11 fixed to the heat transfer member 17 from the front surface side D1a to control an operation; and a base plate 12 for supporting the electronic component 11 on the front surface side D1a.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an outdoor unit in an air conditioner, and an air conditioner including the outdoor unit.

  Conventionally, an air conditioner that performs indoor air conditioning is known. This air conditioner includes an indoor unit and an outdoor unit.

  The outdoor unit is mounted with a controller having a circuit board on which heat-generating electronic components such as an active converter, a diode module, and a power transistor constituting an inverter are mounted. In recent years, with the increase in capacity of inverters and their power elements, etc., there has been a demand for improved cooling performance for the controller. Therefore, the cooling method for the controller is replaced with an air cooling method in which cooling fins are used for cooling. Then, a refrigerant cooling system for cooling is adopted.

  Patent Document 1 discloses an outdoor unit using the refrigerant cooling method in this way. In this outdoor unit, a refrigerant pipe that is a cooling member is attached from the front side of the side surface of the electrical component box that is a part to be cooled.

JP2011-99577A

  However, in the structure described in Patent Document 1, for example, when an electronic component or a base is taken out from the electrical component box for maintenance or the like, the refrigerant piping becomes an obstacle and the workability is not good. In other words, there is a problem that it is necessary to perform work so that the refrigerant pipe is not deformed, which requires much labor.

  The present invention has been made to solve the above problems, and provides an outdoor unit and an air conditioner of an air conditioner in which electronic components and boards can be easily detached and attached easily. To do.

In order to solve the above problems, the present invention employs the following means.
The outdoor unit of the air conditioner according to the first aspect of the present invention compresses the refrigerant and performs heat exchange between the refrigerant and the outside air, and the outside air after the heat exchange is performed from the back side toward the front side. An outdoor unit of an air conditioner to be discharged, the casing, a refrigerant pipe arranged in a state where there is a gap with the casing on the back side of the casing, and the refrigerant flows, and the casing And a pipe holding portion that sandwiches the refrigerant pipe from the front side, the back side, and the side face, and is capable of contacting the refrigerant pipe from the front side. A heat transfer member that is detachably provided, an electronic component that is fixed to the heat transfer member from the front side and that controls operation, and a substrate that supports the electronic component on the front side. Yes.

  According to such an outdoor unit, the substrate, the electronic component, the heat transfer member, and the refrigerant pipe are arranged in a line from the front side to the back side. Since the substrate, electronic component, and heat transfer member are integrated, for example, during maintenance, the substrate, electronic component, and heat transfer member can be removed from the housing at a time from the front side. Is very good. Furthermore, the refrigerant pipe does not get in the way of removal, and deformation and damage of the refrigerant pipe can be avoided. Here, since the refrigerant pipe is sandwiched by the pipe pressing portion provided on the back side with respect to the casing, the movement of the refrigerant pipe with respect to the casing is regulated. Therefore, when the board | substrate, an electronic component, and a heat-transfer member are removed from the front side, it can suppress that the position shift of refrigerant | coolant piping will arise. Therefore, when the substrate, the electronic component, and the heat transfer member are attached to the housing again after the maintenance, the heat transfer member can be brought into contact with the refrigerant pipe at a predetermined position, and the refrigerant is passed through the heat transfer member. This makes it possible to dissipate heat from the electronic component.

  Moreover, in the outdoor unit of the air conditioner according to the second aspect of the present invention, in the first aspect, the pipe pressing portion is detachable from the casing, and is a separate member from the casing. It may be provided.

  By providing the pipe pressing portion as a separate member in the casing in this manner, it is easy to remove and attach the refrigerant pipe from the casing, and maintenance of the refrigerant pipe is also possible. In addition, when installing the refrigerant pipe, it is also possible to adjust the installation position of the refrigerant pipe with respect to the housing.

  Further, in the outdoor unit for an air conditioner according to a third aspect of the present invention, in the second aspect, the housing is formed with a slit that opens on the back side, and the pipe pressing portion is You may have the projection part which can be inserted in a slit.

  As described above, the protrusion is provided on the pipe holding portion provided as a separate member from the casing, and the protrusion can be inserted into the slit of the casing, thereby positioning the pipe pressing portion with respect to the casing. it can. Therefore, when attaching the pipe pressing part to the casing from the front side of the casing, even if it is not possible to work while observing the pipe pressing part, the protruding part is inserted into the slit by sliding the pipe pressing part, The pipe holding part can be temporarily fixed to the housing at an accurate position. From this state, the pipe pressing portion can be attached to the casing using bolts or the like. Therefore, the workability of attaching the refrigerant pipe can be improved.

  An air conditioner according to a fourth aspect of the present invention includes the outdoor unit according to the first to third aspects, and an indoor unit that is connected to the outdoor unit and supplies air after air conditioning to the room. ing.

  According to such an air conditioner, since the above-described outdoor unit is provided, for example, during maintenance, the substrate, the electronic component, and the heat transfer member can be detached from the housing from the front side. Very good. Moreover, when removing a board | substrate, an electronic component, and a heat-transfer member from the front side, it can suppress that the position shift of refrigerant | coolant piping arises by a piping pressing part. Therefore, when the substrate, the electronic component, and the heat transfer member are attached to the casing again after the maintenance, the heat transfer member can be brought into contact with the refrigerant pipe at a predetermined position.

  According to the outdoor unit of an air conditioner and the air conditioner described above, the electronic component and the substrate can be easily removed and can be easily attached even if the cooling structure with the refrigerant pipe is provided.

It is a figure which shows the refrigerating cycle of the air conditioner which concerns on embodiment of this invention. It is a perspective view which shows the outline of the outdoor unit of the air conditioner which concerns on embodiment of this invention. It is a figure which shows the side view of the outdoor unit of the air conditioner which concerns on embodiment of this invention, and shows the state in which the board | substrate, the electronic component, the heat-transfer member, and refrigerant | coolant piping were attached to the housing | casing. It is a perspective view which shows the piping retainer, refrigerant | coolant piping, and housing | casing in the outdoor unit of the air conditioner which concerns on embodiment of this invention. FIG. 5 is a perspective view showing a pipe presser, a refrigerant pipe, and a housing in the outdoor unit of the air conditioner according to the embodiment of the present invention, and is a view taken along arrow X in FIG. 4. It is a side view which shows a mode that a board | substrate, an electronic component, and a heat-transfer member are removed from the outdoor unit of the air conditioner which concerns on embodiment of this invention.

Hereinafter, the air conditioner 1 which concerns on embodiment of this invention is demonstrated.
(Overall configuration of air conditioner)
As shown in FIG. 1, the air conditioner 1 of the present embodiment constitutes a closed cycle refrigeration cycle in which the refrigerant R circulates by being connected to the refrigerant pipe 2 through which the refrigerant R flows and the refrigerant pipe 2. A compressor 3, a four-way switching valve 4, an outdoor heat exchanger 5, an electronic expansion valve 6 (EEV), an indoor heat exchanger 7, an accumulator 8, and a controller 9 for controlling the operation of the refrigeration cycle.

  The compressor 3 compresses the gaseous refrigerant R.

  The outdoor heat exchanger 5 performs heat exchange between the refrigerant R and outdoor air A (outside air). An outdoor fan 20 that blows outdoor air A to the outdoor heat exchanger 5 is provided in the vicinity of the outdoor heat exchanger 5.

  The indoor heat exchanger 7 performs heat exchange between the refrigerant R and the indoor air A. An indoor fan 21 that blows indoor air A to the outdoor heat exchanger 5 is provided in the vicinity of the indoor heat exchanger 7.

  The four-way switching valve 4 is disposed between the compressor 3 and the outdoor heat exchanger 5, and between the compressor 3 and the indoor heat exchanger 7, and switches the circulation direction of the refrigerant R in the refrigeration cycle.

  The electronic expansion valve 6 is provided between the outdoor heat exchanger 5 and the indoor heat exchanger 7 and adiabatically expands the refrigerant R.

  The accumulator 8 is disposed between the four-way switching valve 4 and the inlet of the compressor 3, separates the refrigerant R into gas and liquid, and supplies only the gas to the compressor 3.

  For example, the controller 9 is equipped with an inverter that controls the rotation speed of the compressor 3, and switches the four-way switching valve 4 according to the operation mode (heating operation or cooling operation). Further, the outdoor fan 20 and the indoor fan 21 are switched. And the function of controlling the opening degree of the electronic expansion valve 6 and the like.

  That is, the controller 9 fixes various electronic components 11 that control the operation of the refrigeration cycle such as an active converter, a diode module, and a power transistor that constitute an inverter that controls the rotation speed of the compressor 3, and the electronic components 11. And a substrate (circuit board) 12 to be supported.

  A part of the indoor heat exchanger 7, the indoor fan 21, and the refrigerant pipe 2 are accommodated in a casing (not shown) of the indoor unit 1a. The indoor unit 1a supplies air A after air conditioning to the room.

  The compressor 3, the four-way switching valve 4, the outdoor heat exchanger 5, the outdoor fan 20, the electronic expansion valve 6 (EEV), the accumulator 8, the controller 9, and a part of the refrigerant pipe 2 are the outdoor unit 1b shown in FIG. Is housed in a housing 14 of the above. In the outdoor unit 1b, heat exchange is performed between the refrigerant R and the outside air (outdoor air A), and air A after the heat exchange is discharged from the back side D1b in the depth direction D1 toward the front side D1a.

(Configuration of outdoor unit)
That is, the outdoor unit 1b includes the compressor 3, the four-way switching valve 4, the outdoor heat exchanger 5, the outdoor fan 20, the electronic expansion valve 6 (EEV), the accumulator 8, the substrate 12 and the electronic component 11 in the controller 9, and A part of the refrigerant pipe 2 and a housing 14 for housing them are provided. Further, the outdoor unit 1 b includes a heat transfer member 17 interposed between the refrigerant pipe 2 and the electronic component 11 of the controller 9, and a pipe presser 18 (pipe holding part) that fixes the refrigerant pipe 2 to the housing 14. I have.

The casing 14 has a rectangular parallelepiped shape, and includes a compressor 3, a four-way switching valve 4, an outdoor heat exchanger 5, an outdoor fan 20, an electronic expansion valve 6 (EEV), an accumulator 8, a controller 9, and a refrigerant. It has a partition (not shown) for fixing the pipe 2.
Hereinafter, the case 14 is described as being a partition portion to which the controller 9 is attached.

  As shown in FIG. 3, the casing 14 is formed with an opening 14a that communicates the front side D1a and the back side D1b at a position corresponding to the position where the electronic component 11 of the controller 9 is arranged.

  The refrigerant pipe 2 is spaced from the housing 14 at a position where the controller 9 is provided in the refrigeration cycle, on the back side D1b of the electronic component 11 of the controller 9 and on the back side D1b of the housing 14. Arranged in a state.

  As shown in FIGS. 4 and 5, in the present embodiment, the refrigerant pipe 2 extends from the lower side D2b toward the upper side D2a, then curves and extends again toward the lower side D2b. Yes. That is, the refrigerant pipe 2 includes a first portion 41 and a second portion 42 that extend in parallel with the vertical direction D2, and a curved portion 43 that connects them.

  The heat transfer member 17 is a metal block made of aluminum or the like, and is provided to be detachable from the refrigerant pipe 2 so as to be able to contact the refrigerant pipe 2 from the front side D1a.

  In the present embodiment, as shown in FIG. 3, the heat transfer member 17 has a depth direction D1 from the front side D1a toward the back side D1b and one side D3a in the width direction D3 (horizontal direction) orthogonal to the vertical direction D2. The first protrusion 31 extending toward the back side D1b in the depth direction D1, and the second protrusion 32 extending from the front side D1a portion of the first protrusion 31 to the other side D3b in the width direction D3. Yes. That is, when viewed from the vertical direction D2, the heat transfer member 17 is substantially L-shaped.

  The first protrusion 31 has a first recess 31a that is recessed toward the front side D1a on the surface facing the back side D1b along the vertical direction D2. The inner surface of the first recess 31a has a semicircular arc shape when viewed from the up-down direction D2 so that approximately half of the outer peripheral surface of the first portion 41 of the refrigerant pipe 2 can contact.

  Similar to the first protrusion 31, the second protrusion 32 is formed with a second recess 32a that is recessed toward the front side D1a along the vertical direction D2 on the surface facing the back side D1b. The inner surface of the second recess 32a has a semicircular arc shape when viewed from the up-down direction D2 so that about half of the outer peripheral surface of the second portion 42 of the refrigerant pipe 2 can be contacted.

  The heat transfer member 17 is disposed on the back surface side D1b of the housing 14 through the opening 14a of the housing 14, and the refrigerant pipe 2 is in contact with the inner surface of the first recess 31a and the inner surface of the second recess 32a. Thereby, in the refrigerant | coolant piping 2, the 1st part 41 arrange | positioned at the one side D3a of the width direction D3 is located in the back side D1b with respect to the 2nd part 42, and the refrigerant | coolant piping 2 inclines with respect to the width direction D3. Is provided.

  As described above, the electronic component 11 in the controller 9 controls the operation of the air conditioner 1, and is fixed to the heat transfer member 17 from the front side D1a by a bolt (not shown) or the like.

  The substrate 12 fixes the electronic component 11 so that the electronic component 11 is supported by the front side D1a. Although not shown, the substrate 12 supports the above-described various electronic components including the electronic component 11.

(Configuration of piping clamp)
The pipe presser 18 is provided on the rear side D1b of the casing 14 and sandwiches the refrigerant pipe 2 from the front side D1a, the rear side D1b, and the side face, and moves the refrigerant pipe 2 relative to the casing 14. regulate. The pipe presser 18 is provided as a separate member from the housing 14 so as to be detachable from the housing 14.
Here, the side surface side indicates one side D3a and the other side D3b in the width direction D3.

  More specifically, as shown in FIG. 3 to FIG. 5, the pipe clamp 18 is provided integrally with the main body 51 surrounding the refrigerant pipe 2 from the back side D1b and the main body 51 so as to connect the refrigerant pipe 2 to the front side D1a. And a clip portion 52 that surrounds from the side surface side, and an attachment portion 53 that is provided integrally with the main body portion 51 and is attached to the housing 14, and is formed by sheet metal processing, for example.

  The main body 51 is attached to the housing 14, and the inclined plate portion 60 disposed along the inclination of the refrigerant pipe 2 and the first bent plate portion extending in the width direction D3 continuously to the inclined plate portion 60. 61, a second bent plate portion 62 extending continuously from the inclined plate portion 60 to the front side D1a in the depth direction D1, and a third bent portion extending continuously from the first bent plate portion 61 to the front side D1a in the depth direction D1. It has the board part 63 and the 4th bending board part 64 extended in the width direction D3 along the housing | casing 14 following the 2nd bending board part 62. As shown in FIG.

  The inclined plate portion 60 has a plate shape that is inclined from the back side D1b to the front side D1a from the other side D3b in the width direction D3 toward the one side D3a in accordance with the inclination of the refrigerant pipe 2. In a state where the electronic component 11 and the substrate 12 are attached to the housing 14, the outer peripheral surface of the refrigerant pipe 2 is in contact with the inclined plate portion 60 from the front side D1a.

  The first bent plate portion 61 extends to one side D3a in the width direction D3 so as to be bent from the edge of the one side D3a in the width direction D3 of the inclined plate portion 60, and forms a plate shape continuous to the inclined plate portion 60. Yes.

  The second bent plate portion 62 extends to the front side D1a toward the opening 14a in the depth direction D1 so as to be bent from the edge of the other side D3b in the width direction D3 of the inclined plate portion 60.

  The third bent plate portion 63 extends to the front side D1a in the depth direction D1 so as to be bent from the edge of the first side D3a in the width direction D3 of the first bent plate portion 61.

  Here, the casing 14 is formed with a support plate portion 15 extending from the edge of one side D3a in the width direction D3 of the opening 14a toward the back side D1b. The support plate portion 15 is opposed to the third bent plate portion 63 on the other side D3b in the width direction D3 with a gap between the third bent plate portion 63 and the first bent plate portion 61 from the front side D1a. The first bent plate portion 61 is supported by contact.

  Further, as shown in FIG. 4, reinforcing ribs 16 are provided in the casing 14 between the support plate portion 15 and the edge of the opening 14 a with a space in the vertical direction D <b> 2.

  And the 3rd bending board part 63 is provided in the dimension which protrudes to the upper side D2a rather than the support board part 15, as shown in FIG. 4, and the clearance gap S is formed. Furthermore, the third bent plate portion 63 is smaller in the depth direction D1 than the support plate portion 15. The third bent plate portion 63 is formed with a notch 63a that is cut out in a rectangular shape from the edge of the front side D1a toward the back side D1b. The notches 63a are formed at two locations in the vertical direction D2 with a space between each other.

  The fourth bent plate portion 64 has a plate shape extending to the upper side D2a so as to be bent from the edge of the front side D1a of the second bent plate portion 62. The fourth bent plate portion 64 contacts the surface of the housing 14 from the front side D1a and extends to the upper side D2a from the edge of the opening 14a.

The clip part 52 is disposed on the upper side D <b> 2 a of the heat transfer member 17 and is provided on the upper part of the main body part 51.
The clip portion 52 includes a first side plate portion 71 disposed on one side D3a of the first portion 41 of the refrigerant pipe 2, and a second side plate portion 72 disposed on the other side D3b of the second portion 42 of the refrigerant pipe 2. The front side plate portion 73 is disposed on the front side D1a of the refrigerant pipe 2 and connects the first side plate portion 71 and the second side plate portion 72 to each other.

  The first side plate portion 71 extends in parallel with the support plate portion 15 and the third bent plate portion 63 from the middle position in the width direction D3 of the first bent plate portion 61 of the main body portion 51 toward the front side D1a. In a state where the heat transfer member 17 is attached to and in contact with the refrigerant pipe 2, the first side plate portion 71 is not in contact with the refrigerant pipe 2.

  The front plate portion 73 extends in parallel with the inclined plate portion 60 toward the other side D3b so as to be bent from the edge of the front side D1a in the first side plate portion 71. In a state where the heat transfer member 17 is attached to and in contact with the refrigerant pipe 2, the front plate portion 73 is not in contact with the refrigerant pipe 2.

  To the position where the second side plate portion 72 does not contact the inclined plate portion 60 in the direction orthogonal to the inclined plate portion 60 toward the back side D1b so as to be bent from the edge of the other side D3b in the front plate portion 73. It extends. In a state where the heat transfer member 17 is attached to and in contact with the refrigerant pipe 2, the second side plate portion 72 is not in contact with the refrigerant pipe 2.

  The attachment portion 53 includes a first attachment piece 81 (projection) provided on the third bent plate portion 63, and a second attachment piece 82 and a third attachment piece 83 provided on the fourth bent plate portion 64. doing.

  The first attachment piece 81 is formed in each notch 63 a of the third bent plate portion 63. Each of the first attachment pieces 81 is a rectangular plate-like member that protrudes along the support portion from the upper inner surface of the cutout portion 63a to the lower side D2b. The first mounting piece 81 swells from the support plate portion 15 to the one side D3a, and can be inserted from the slit 15b into the support plate portion pocket 15a in which the slit 15b extending in the depth direction D1 is formed on the upper side D2a. Yes.

  The second attachment piece 82 is a plate-like member provided so as to protrude from the fourth bent plate portion 64 along the surface of the housing 14 to the other side D3b. The second mounting pieces 82 are provided at two locations with a gap in the vertical direction D2. A bolt 90 is inserted from the back side D1b so as to penetrate the second mounting piece 82 and the housing 14, and the second mounting piece 82 and the housing 14 are fixed.

  The third mounting piece 83 includes a first projecting plate portion 85 projecting from the fourth bent plate portion 64 along the surface of the housing 14 to the other side D3b between the two second mounting pieces 82 and the housing 14. And a second projecting plate portion 86 (projecting portion) extending so as to bend from the first projecting plate portion 85 to the lower side D2b. The second projecting plate portion 86 swells from the surface of the housing 14 to the back side D1b, and a slit 14c extending in the width direction D3 can be inserted into the housing pocket 14b formed on the upper side D2a from the slit 14c. It has become.

  As described above, in a state where the pipe presser 18 is attached to the housing 14 by the attachment portion 53, the refrigerant pipe 2 can be sandwiched from the front side D 1 a, the back side D 1 b, and the side surface by the main body portion 51 and the clip portion 52. It has become. Note that the pinching does not only indicate the case where the refrigerant pipe 2 and the pipe presser 18 do not move completely relative to each other, but is a concept including some relative movement.

(Function and effect of air conditioner)
According to the air conditioner 1 of the present embodiment described above, in the outdoor unit 1b, the substrate 12, the electronic component 11, the heat transfer member 17, and the refrigerant pipe 2 are arranged from the front side D1a to the back side D1b. Has been placed. And since the board | substrate 12, the electronic component 11, and the heat-transfer member 17 are mutually fixed and united, for example, as shown in FIG. 6, at the time of a maintenance, these board | substrates 12, electronic components 11, and The heat transfer member 17 can be removed from the housing 14. Further, the refrigerant pipe 2 does not get in the way of removal, and deformation and damage of the refrigerant pipe 2 can be avoided.

  Here, the refrigerant pipe 2 is sandwiched between the casing 14 by a pipe presser 18 provided on the back side D1b. That is, the refrigerant pipe 2 is sandwiched from the back side D1b, the front side D1a, and both side faces by the main body 51 and the clip part 52 of the pipe clamp 18. For this reason, the movement of the refrigerant pipe 2 with respect to the housing 14 is restricted. Therefore, when the board | substrate 12, the electronic component 11, and the heat-transfer member 17 are removed from the front side D1a for maintenance etc., it can suppress that the position shift of the refrigerant | coolant piping 2 arises.

  Therefore, when the substrate 12, the electronic component 11, and the heat transfer member 17 are attached to the housing 14 again after the maintenance, the heat transfer member 17 is placed at a predetermined position with respect to the refrigerant pipe 2, that is, the first recess 31 a and the first heat transfer member 17. The refrigerant pipe 2 can be brought into contact with the two recesses 32a. Further, at this time, even if the refrigerant pipe 2 is pressed by the heat transfer member 17, the movement of the refrigerant pipe 2 can be restricted from the back side D 1 b by the inclined plate portion 60, and the heat transfer member 17 is fixed to the refrigerant pipe 2 with a predetermined amount. The electronic component can be radiated by the refrigerant through the heat transfer member 17.

  Therefore, in the air conditioner 1 of the present embodiment, the electronic component 11 and the substrate 12 can be easily detached and easily attached even if the cooling structure by the refrigerant pipe 2 is provided, and maintenance work can be performed. Sex is very good.

  Furthermore, by providing the pipe presser foot 18 as a separate member in the casing 14, it is easy to remove and attach the refrigerant pipe 2 from the casing 14, and maintenance of the refrigerant pipe 2 is also possible. In addition, when the refrigerant pipe 2 is attached, the installation position of the refrigerant pipe 2 with respect to the housing 14 can be adjusted.

  Moreover, the 1st attachment piece 81 is provided in the 3rd bending board part 63 of the piping clasp 18, and this 1st attachment piece 81 is inserted into the support plate part pocket 15a from the upper side D2a. The fourth bent plate portion 64 is provided with a second protruding plate portion 86, and the second protruding plate portion 86 is inserted into the housing pocket 14b from the upper side D2a. Therefore, the piping retainer 18 can be positioned with respect to the housing 14.

  In addition, when the pipe presser 18 is attached to the casing 14 from the front side D1a of the casing 14, the field of view is blocked by the casing 14, and thus the work may not be performed while being visually observed. Even in such a case, by sliding the pipe presser 18 from the upper side D2a, the first attachment piece 81 is inserted into the support plate portion pocket 15a, and the second projecting plate portion 86 is inserted into the housing pocket 14b. The pipe clamp 18 can be temporarily fixed to the housing 14 at an accurate position. From this state, the pipe presser 18 can be attached to the casing 14 using the bolt 90 from the front side D1a. Therefore, the workability of attaching the refrigerant pipe 2 can be improved.

Although the embodiment of the present invention has been described in detail above, some design changes can be made without departing from the technical idea of the present invention.
For example, the pipe presser 18 may not be a separate member from the casing 14 but may be formed as a part of the casing 14.

  In addition, the formation direction and the formation position of the first attachment piece 81 and the second protrusion of the pipe retainer 18 are not limited to the above-described cases, that is, they are attached to the housing 14 by sliding from directions other than the upper side D2a. It may be like this.

  Further, the first attachment piece 81 and the second protrusion, and the support plate portion pocket 15a and the housing pocket 14b in the pipe presser 18 are not necessarily provided. That is, it is not necessary to slide and attach the pipe presser foot 18 to the housing 14, and it may be attached only by bolts.

1 ... Air conditioner
DESCRIPTION OF SYMBOLS 1a ... Indoor unit 1b ... Outdoor unit 2 ... Refrigerant piping
3 ... Compressor
4 ... Four-way switching valve
5… Outdoor heat exchanger
6 ... Electronic expansion valve
7 ... Indoor heat exchanger
8 ... Accumulator
9 ... Controller
11 ... Electronic components
12 ... Board
14 ... Case
14a ... Opening
14b ... Case pocket
14c ... Slit
15 ... support plate
15a ... Support plate pocket
15b ... Slit
16 ... Reinforcing rib
17 ... Heat transfer member
18 ... Piping presser (Pipe presser)
20 ... Outdoor fan
21 ... Indoor fans
31. First protrusion
31a ... 1st recessed part
32 ... Second protrusion
32a ... second recess
41 ... 1st part
42 ... Second part
43 ... Curved part
51 ... Main unit
52. Clip part
53 ... Mounting part
60 ... Inclined plate
61. First bent plate portion
62 ... Second bent plate portion
63. Third bent plate portion
63a ... Notch
64 ... Fourth bent plate portion
71 ... 1st side board part
72 ... Second side plate
73 ... Front plate
81 ... First mounting piece (protrusion)
82 ... Second mounting piece
83 ... Third mounting piece
85: First veneer part
86 ... Second protrusion (protrusion)
90 ... Bolt
R: Refrigerant
A ... Air
S ... Gap
D1 ... Depth direction
D1a ... Front side
D1b ... Back side
D2: Up and down direction
D2a ... Upper side
D2b ... Lower side
D3 ... width direction
D3a ... One side
D3b ... the other side

Claims (4)

An outdoor unit of an air conditioner that compresses a refrigerant and performs heat exchange between the refrigerant and outside air, and discharges outside air after heat exchange from the back side toward the front side,
A housing,
A refrigerant pipe through which the refrigerant flows by being arranged in a state of leaving a gap with the case on the back side of the case;
A pipe holding part that is provided on the back side of the housing and sandwiches the refrigerant pipe from the front side, the back side, and the side face;
A heat transfer member provided so as to be able to contact the refrigerant pipe from the front side and detachable from the refrigerant pipe;
An electronic component that is fixed to the heat transfer member from the front side and that controls operation;
A substrate for supporting the electronic component on the front side;
An air conditioner outdoor unit comprising:   The outdoor unit of an air conditioner according to claim 1, wherein the pipe holding part is provided as a separate member from the casing so as to be detachable from the casing. The housing is formed with a slit that opens on the back side,
The outdoor unit of an air conditioner according to claim 2, wherein the pipe holding part has a protrusion that can be inserted into the slit. The outdoor unit according to any one of claims 1 to 3,
An indoor unit connected to the outdoor unit and supplying air after air conditioning into the room;
Air conditioner equipped with.

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