JP2012233614A - Outdoor unit for air conditioner device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner device capable of improving the maintenance performance of a substrate included in an electrical component unit.SOLUTION: The outdoor unit for an air conditioner device includes a support member 50 connected to an upper surface 16A of a partition plate 16 which vertically extends to partition the inside of a unit case 11 into a heat exchanger chamber R1 and a machine chamber R2, and supporting an electrical component unit 40. The support member 50 includes a pair of guide rails 43 extending in a front surface 16C and a back surface 16D as both ends in the cross direction of the partition plate 16 and facing an opening 5 which makes the heat exchanger chamber R1 and the machine chamber R2 communicate with each other. The electrical component unit 40 includes a substrate holder 51 to which a first substrate 41 is fitted and which has a side edge 51A fitted between the guide rails 43 freely to be pulled upward integrally with the first substrate 41.

Description

  The present invention relates to an outdoor unit of an air conditioner.

  Generally, an outdoor unit of an air conditioner that divides a housing into a heat exchange chamber and a machine room with a partition plate, houses a heat exchanger and a blower in the heat exchange chamber, and houses a compressor and an electrical unit in the machine room. Are known. In this type of outdoor unit, there is a type in which an electrical unit is disposed in a machine room by projecting a heat sink that radiates heat generated by electrical components housed in the electrical unit to the heat exchange chamber side (see, for example, Patent Document 1). ).

JP 2001-201110 A

By the way, although an electrical unit is provided with the board | substrate with which various electrical components are mounted, at the time of maintenance, such as hybrid IC board replacement | exchange, it was necessary to remove an electrical unit from an air conditioning apparatus main body, and maintainability was bad. In order to improve maintainability, it may be possible to detachably attach the board to the electrical unit without removing the electrical unit from the air conditioner body. However, in outdoor units that are becoming smaller in size, the work space inside the housing is limited. It has been difficult to attach and detach the substrate without damaging the electrical components such as the electrolytic capacitor mounted on the substrate.
An object of the present invention is to provide an outdoor unit of an air conditioner that can improve the maintainability of a substrate included in an electrical unit.

In order to solve the above-mentioned problems, the present invention includes a partition plate extending in a vertical direction that divides the inside of a housing into a heat exchange chamber and a machine room, and houses a heat exchanger and a blower in the heat exchange chamber. In the outdoor unit of the air conditioner in which the compressor and the electrical unit are accommodated, the partition plate is connected to an upper end portion of the partition plate main body, and includes a support member that supports the electrical unit. A pair of guide rails extending to both ends in the width direction of the partition plate and facing an opening that communicates the heat exchange chamber and the machine chamber, the electrical unit is mounted with a board, and between the guide rails And a substrate holder fitted with a side edge portion so as to be able to be drawn upward integrally with the substrate.
According to this configuration, since the substrate can be easily detached from the electrical unit by pulling it upward along the guide rail integrally with the substrate holder, the maintainability of the substrate is improved.

  In this configuration, the guide rails may be rails having a substantially U-shaped cross section facing each other, and a side edge portion of the substrate holder may be inserted into the guide rail and fixed to the support member. The substrate holder may be configured to be detached from the support member by removing a ceiling panel that forms a top surface of the housing during maintenance of the substrate. The board may be configured to mount an electrical component that generates heat or an electrical component that is a consumable part. The electrical unit includes a second substrate, and the second substrate and the substrate are arranged in a substantially T shape and are attached to the support member, and the electrolytic capacitor mounted on the substrate includes the electrolytic capacitor. It is good also as a structure arrange | positioned side by side on the back side of the 2nd board | substrate. The support member may include a support plate that surrounds the electrolytic capacitor and supports the second substrate.

  According to the present invention, in an outdoor unit of an air conditioner having a vertically extending partition plate that divides the inside of a housing into a heat exchange chamber and a machine room, the electrical unit is connected to the upper end of the partition plate body. A support member for supporting, the support member includes a pair of guide rails extending to both ends in the width direction of the partition plate and facing an opening communicating the heat exchange chamber and the machine chamber, The electrical unit includes a substrate holder to which a substrate is attached and a side edge portion of the guide rail that can be pulled out upward and integrally with the substrate, so that the substrate is integrated with the substrate holder along the guide rail. By pulling it upward, it can be easily removed from the electrical unit, and the maintainability of the substrate can be improved.

It is an external appearance perspective view of the outdoor unit which concerns on embodiment to which this invention is applied. It is a perspective view which shows the internal structure of an outdoor unit. It is a perspective view which shows the internal structure of the outdoor unit of a state which removed the electrical equipment unit. It is a perspective view which shows an electrical equipment unit. It is a perspective view which shows a supporting member. It is a top view which shows a supporting member. It is a perspective view which shows a substrate holder.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
The air conditioner according to the present embodiment includes an outdoor unit 10 and an indoor unit (not shown), and performs a cooling operation and a heating operation by flowing a refrigerant through a refrigerant circuit connected by a refrigerant pipe. The outdoor unit 10 is installed outside, exchanges heat with outdoor air, condenses the refrigerant during the cooling operation and releases heat to the outside air, and evaporates the refrigerant during the heating operation to take in heat from the outside air. In addition, the directions such as up and down and left and right described below indicate directions when the outdoor unit 10 is viewed from the front side in a state where the outdoor unit 10 is installed.

  FIG. 1 is a perspective view of the outdoor unit 10, and FIG. 2 is a perspective view of the outdoor unit 10 with the ceiling panel 13, the front panel 14, and the outer plate 15 removed. The outdoor unit 10 includes a substantially rectangular parallelepiped box-shaped unit case (housing) 11, and the unit case 11 includes a bottom plate 12, a ceiling panel 13, a front panel 14, and an outer plate 15. The inside of the unit case 11 is partitioned vertically by a partition plate 16 erected on the bottom plate 12, and is divided into a heat exchange chamber R1 and a machine chamber R2. The front panel 14 includes a first front panel 14A and a second front panel 14B that are divided into left and right parts with a partition plate 16 as a boundary. By removing the first front panel 14A, the operator can perform maintenance work on components in the heat exchange chamber R1 from the front side of the outdoor unit 10, and by removing the second front panel 14B, the operator can perform outdoor work. Maintenance work of parts in the machine room R2 can be performed from the front side of the unit 10.

  In addition, the first front panel 14A on the heat exchange chamber R1 side is formed with two air outlets 28 and 28 that blow out the air heat-exchanged inside the heat exchange chamber R1 in the vertical direction. The air outlets 28 and 28 are each covered with a net-like fan guard 29. Although not shown, the air outlets 28 and 28 are covered with, for example, a round flange-shaped fan cover, and a blower 22 described later is provided in the opening of the fan cover.

  As shown in FIG. 2, the heat exchanger 21 accommodates the heat exchanger 21 on the back side and the blowers 22 and 22 arranged in the vertical direction on the front side. The heat exchanger 21 is formed by being bent into a substantially L shape when viewed from above, and is disposed along the back surface from the left side surface (outer side surface) of the heat exchange chamber R1. Thus, the heat exchanger 21 forms the left side surface and the back surface of the heat exchange chamber R1 (that is, the unit case 11), and the entire exposed surface from the left side surface to the back surface functions as a ventilation path (suction port). Although not shown, the surface of the heat exchanger 21 is covered with a finger made of a resin net or the like in order to prevent a human body or the like from contacting the heat exchanger 21.

The blower 22 is attached to a pair of left and right struts 24L and 24R disposed in the heat exchange chamber R1. These struts 24L and 24R hook the upper ends of the struts 24L and 24R to the upper edge of the heat exchanger 21, respectively, and the lower ends of the struts 24L and 24R are fixed to the bottom plate 12 by screws.
The blower 22 includes a fan motor 26 fixed to the upper portions of the support posts 24L and 24R via a pedestal 25, and a propeller fan (axial fan) 27 attached to the shaft of the fan motor 26. The propeller fan 27 is disposed close to the front side of the heat exchange chamber R1. When the propeller fan 27 is rotationally driven by the fan motor 26, outside air is sucked into the heat exchange chamber R1 from the periphery of the outdoor unit 10, more specifically from the back side and the left side of the heat exchanger 21, and heat is generated. Heat is exchanged with the refrigerant flowing in the exchanger 21, and the air is discharged out of the outdoor unit 10 through the air outlets 28 and 28 provided on the front surface of the heat exchange chamber R1. That is, the outdoor unit 10 is configured as a front blowing type that blows out air after heat exchange from the front.

  Further, the machine room R2 includes a compressor 31 that constitutes a part of the refrigerant circuit, an accumulator (not shown), a receiver tank 33, an oil separator (not shown), and valves such as a four-way valve 32 and an expansion valve (not shown). A refrigerant circuit component such as a body is connected by piping, and is accommodated in a substantially lower space of the machine room R2.

  A gas pipe service valve and a liquid pipe service valve are fixed in close proximity to the upper right side of the compressor 31 and on the front side of the machine room R2. The gas pipe service valve and the liquid pipe service valve are respectively connected to a gas pipe and a liquid pipe (not shown) of unit piping extending from the indoor unit, thereby constituting a refrigerant circuit for circulating the refrigerant. In addition, an electrical unit 40 in which various electrical components such as a control board for controlling the air conditioner are disposed is disposed above the machine room R2. The electrical unit 40 includes a support member 50, a first substrate 41, a second substrate 42, and a heat sink 55 supported by the support member 50, and the heat sink 55 faces the heat exchange chamber R 1 side from above the partition plate 16. In the upper space of the machine room R2. The support member 50 extends in the width direction of the partition plate 16.

  As shown in FIG. 3, the partition plate 16 is disposed between the heat exchange chamber R1 and the machine room R2, and separates the heat exchange chamber R1 and the machine room R2 from the partition plate body (partition plate body) 16B. And the front side (end) 16C formed by bending the front side edge of the partition plate body 16B toward the machine room R2, and the side edge on the back side of the partition plate body 16B as the machine room R2. On the side, a back surface portion (end portion) 16D formed by being bent substantially parallel to the front surface portion 16C and an upper surface portion 16A formed by bending the upper edge portion of the partition plate main body portion 16B to the machine chamber R2 side are provided. The partition plate 16 is formed by bending a thin sheet metal as described above to improve the rigidity (strength) of the partition plate 16.

  The partition plate 16 is erected on the bottom plate 12 and fixed by screwing the back surface portion 16D to the heat exchanger 21. Specifically, the heat exchanger 21 includes a tube plate 35 at the right end, and the tube plate 35 is formed with a rib 35A in which a side edge portion inside the unit case 11 is bent into a substantially L shape. Yes. The partition plate 16 is fixed by screwing the back surface portion 16D to the rib 35A. An opening 5 is provided above the partition plate 16 to communicate the heat exchange chamber R1 and the machine chamber R2.

  As shown in FIG. 2, a support member 50 of the electrical unit 40 is coupled to the upper surface portion 16 </ b> A of the partition plate 16. As shown in FIG. 4, the electrical unit 40 includes a support member 50, a first substrate 41 supported by the support member 50, a second substrate 42, and a heat sink 55. The first substrate 41 and the heat sink 55 are integrally fixed by a substrate holder 51, and the substrate holder 51 is detachably supported by the support member 50. The substrate holder 51 is fixed to the support member 50 by engaging a hook claw 58 </ b> A at the tip of the hook 58 provided above the first substrate 41 with a hook groove 58 </ b> B formed in the support member 50. The hook 58 is made of a metal such as aluminum. Further, a screw hole 51E is formed in the upper part of the substrate holder 51, and the substrate holder 51 is fixed to the support member 50 by a screw inserted into the screw hole 51E from the machine chamber R2 side. The first substrate 41 and the second substrate 42 are arranged in a substantially T shape, and the second substrate 42 is provided at a substantially right angle with the first substrate 41 arranged in the front-rear direction of the outdoor unit 10.

  A hood 59 that covers most of the entire projected area of the heat sink 55 is fixed to the substrate holder 51 at the top of the heat sink 55. The hood 59 is opened upward, and is formed in a substantially box shape in which the side surface on the machine room R2 side is cut out from front to back. The hood 59 is formed such that the upper end surfaces 59B of the three side surfaces 59A are in contact with the lower surface of the ceiling panel 13 of the unit case 11. According to this configuration, it is possible to prevent water such as rainwater that has entered the heat exchange chamber R1 from the back side of the heat exchanger 21 from entering the machine room R2 side from above the heat sink 55 with the hood 59. Further, the bottom surface 59C is cut out along the side surface 59A on the heat exchange chamber R1 side in the hood 59, and a cutout portion 59D that connects the upper space of the hood 59 and the heat exchange chamber R1 is formed. The air in the machine room R2 is attracted by the air flowing through the heat exchange chamber R1, and flows into the heat exchange chamber R1 through the notch 59D. Therefore, the air heated by the heat generated from the electrical components included in the electrical unit 40 can be circulated without being trapped in the machine room R2.

  As shown in FIG. 5, the support member 50 includes a pair of guide rails 43 and 43 that face the opening 5 that communicates the heat exchange chamber R1 and the machine chamber R2. The guide rails 43 and 43 are substantially U-shaped cross-section rails facing each other, one guide rail 43 extends to the front surface portion 16C of the partition plate 16, and the other guide rail 43 is in the vicinity of the back surface portion 16D. Extend. The support member 50 includes a first support plate 44 that closes the lower region of the opening 5 and connects the guide rails 43 and 43. The guide rails 43 and 43 and the first support plate 44 are formed by performing sheet metal processing such as bending on a single metal plate. The first support plate 44 includes a first pedestal portion 52 and a second pedestal portion 53 on which an after-mentioned substrate holder 51 that holds the first substrate 41 is placed, and is integrated with the first support plate 44. Is formed.

  As shown in FIG. 4, a substrate holder 51 is integrally mounted between the guide rails 43. The substrate holder 51 integrally fixes a first substrate 41 and a heat sink 55 that radiates heat generated by the electrical components mounted on the first substrate 41. It is done. Both side edge portions 51 </ b> A of the substrate holder 51 are fitted between the guide rails 43 so that the first substrate 41, the heat sink 55, and the substrate holder 51 can be integrally pulled out along the guide rails 43. A fixing member 54 extending to the back surface portion 16D of the partition plate 16 is provided behind the guide rail 43 on the rear side of the outdoor unit 10. The fixing member 54 is provided substantially in parallel with the guide rail 43. The support member 50 is coupled to the partition plate 16 by screwing the fixing member 54 and a rib 35 </ b> A formed on the tube plate 35 of the heat exchanger 21 with screws.

  Further, as shown in FIG. 5, the support member 50 includes a second support plate 45 provided at a substantially right angle to the first support plate 44. The second support plate 45 is attached to a lower portion of the second substrate attachment portion 45A provided substantially horizontally with the guide rails 43, 43, and a base portion having a substantially L-shaped cross section attached to the lower portion of the second substrate attachment portion 45A. 45B. The second substrate 42 is fixed to the second substrate attachment portion 45A by a fastener such as a screw 47. Alternatively, the second substrate 42 may be configured to be sandwiched between the second substrate attachment portion 45A with a clip or other fastener. A hook groove 58 </ b> B is formed in the upper part of the second support plate 45.

  The base portion 45B is provided at the lower end of the second substrate mounting portion 45A so as to protrude toward the front side of the machine room R2. The base portion 45B is provided with a terminal block 45C provided with a plurality of electronic component connection portions 46 to which power supply terminals and connectors are coupled so as to hang down below the electrical unit 40. The second support plate 45, the base portion 45B, and the terminal block 45C are integrally formed by subjecting one metal plate to sheet metal processing such as bending.

  6 is a plan view of the support member 50, and is a view of the support member 50 viewed from the direction of the arrow in FIG. As shown in FIG. 6, the support member 50 includes a third support plate (support plate) 48 having a substantially L-shaped cross section that connects the first support plate 44 and the second support plate 45. The third support plate 48 has one end connected to the back side of the second support plate 45 and the other end connected to a guide rail 43 disposed on the rear side of the outdoor unit 10. In the support member 50, a space R <b> 3 is formed between the second support plate 45 and the third support plate 48. In addition to the first support plate 44 and the second support plate 45 being connected by the third support plate 48, the first support plate 44 has an extended portion 45 </ b> D in which the base portion 45 </ b> B extends to the left side. Since they are connected, the rigidity of the support member 50 is increased. A plurality of clips 63 are provided on the back side of the third support plate 48. Although not shown, the clip 63 is used to collectively hold various cables wired to the electrical unit 40.

  As shown in FIG. 7, the substrate holder 51 is a resin molded product, and is formed in a frame shape having a holder opening 51B at substantially the center. The first substrate 41 is mounted with electrical components having a large amount of heat generation such as a hybrid IC (HIC) 57, and these electrical components having a large amount of heat generation are made to face the holder opening 51B so as to block the holder opening 51B. The substrate holder 51 is fixed with screws or the like. The electrical component with a large amount of heat mounted on the first substrate 41 is thermally connected to the heat sink 55. The heat sink 55 has a configuration in which metal plates constituting a plurality of fins are arranged at intervals in the vertical direction, and is fixed to the substrate holder 51 with screws or the like to communicate the heat exchange chamber R1 and the machine chamber R2. A plurality of fins are provided so as to project to the heat exchange chamber R1 side through the opening 5. According to this configuration, the heat generated from the electrical components mounted on the first substrate 41 is radiated to the heat sink 55, and the heat sink 55 can be cooled by the wind flowing in the heat exchange chamber R1. The electrical component mounted on the first substrate 41 can be sufficiently cooled.

  On the first substrate 41, an electrical component that is a consumable part that needs to be replaced, such as an electrolytic capacitor 56, is mounted. The electrolytic capacitor 56 is arranged so as to protrude toward the machine room R2 side from the first substrate 41 while being arranged in the vertical direction toward the back side of the machine room R2. A notch 51D is formed in the lower end portion 51C of the substrate holder 51, and the base portion 45B is fitted into the notch 51D when the substrate holder 51 is slid down between the guide rails 43 and attached. . In addition, a hooking tool 58 is attached to the substrate holder 51 above the first substrate 41. The hook 58 is made of metal such as aluminum, and a hook claw 58A is provided at the tip. In this embodiment, as shown in FIG. 7, the electrolytic capacitors 56 are arranged in a row in the vertical direction, but the present invention is not limited to this, and a configuration in which the electrolytic capacitors 56 are arranged in a so-called zigzag manner in the vertical direction is also possible. Good.

  The substrate holder 51 to which the first substrate 41 and the heat sink 55 are integrally fixed is locked by the hooking claws 58A in the hooking grooves 58B, and through the screw holes 51E provided in the upper portion of the substrate holder 51. It is fixed to the guide rail 43 by screws inserted from the chamber R2 side. As described above, the hooking claw 58A and the screw hole 51E for fixing the substrate holder 51 to the support member 50 are provided in the machine room R2 that can be easily operated from the upper opening of the outdoor unit 10 from which the ceiling panel 13 is removed. It is provided at the top.

  According to these configurations, the support member 50 supports the first substrate 41 and the second substrate 42 so as to be arranged in a substantially T shape, and the electrolytic capacitor 56 mounted on the first substrate 41 is The second substrate 42 is disposed on the back side and is accommodated in a space R 3 formed between the second support plate 45 and the third support plate 48. Further, the first substrate 41 and the substrate holder 51 to which the heat sink 55 is integrally fixed can be attached by sliding downward between the guide rails 43 and can be further pulled out to be removed. The substrate holder 51 can be slid along 43 and can be detached from the upper opening of the outdoor unit 10 from which the ceiling panel 13 has been removed. Further, when the substrate holder 51 is attached / detached, the guide rail 43 serves as a guide, and the electrical components such as the electrolytic capacitor 56 attached to the first substrate 41 are hit against the surrounding components such as the second substrate 42 to be damaged. It is possible to attach and detach without worrying about this, and workability is improved.

  A protective cover 61 is formed integrally with the substrate holder 51 at the lower portion of the substrate holder 51. The protective cover 61 is provided so as to protrude from the substrate holder 51 to the machine room R2 side so as to cover a lower region of the electrolytic capacitor 56 mounted on the first substrate 41. According to this configuration, since the lower portion of the electrolytic capacitor 56 can be protected by the protective cover 61, when the first substrate 41 is slid downward between the guide rails 43 integrally with the substrate holder 51, the electrolytic capacitor 56 is electrolyzed. It is possible to prevent the capacitor 56 from being damaged by hitting surrounding components.

  As described above, according to the embodiment to which the present invention is applied, the vertically extending partition plate 16 that divides the inside of the unit case (housing) 11 into the heat exchange chamber R1 and the machine room R2 is provided, and heat exchange is performed. In the outdoor unit 10 of the air conditioner in which the heat exchanger 21 and the blower 22 are accommodated in the chamber R1, and the compressor 31 and the electrical unit 40 are accommodated in the machine room R2, the partition plate 16 is a partition plate body (partition plate body portion). ) It is connected to the upper surface portion (upper end portion) 16A of 16B and includes a support member 50 that supports the electrical unit 40. The support member 50 is a front surface portion 16C and a rear surface portion that are both ends in the width direction of the partition plate 16. A pair of guide rails 43 extending to 16D and facing the opening 5 that communicates the heat exchange chamber R1 and the machine room R2, and the electrical unit 40 is provided with a first substrate (substrate) 41, the guide rails The first substrate 41 and can be pulled out to the side edge portion 51A upward integrally with a substrate holder 51 fitted between 3. Accordingly, the first substrate 41 can be removed without removing the electrical unit 40 from the unit case 11 during maintenance of the first substrate 41 such as replacement of the first substrate 41 or replacement of electrical components mounted on the first substrate 41. Can be pulled out integrally with the substrate holder 51 in which the side edge 51A is fitted between the guide rails 43 and can be easily removed from the unit case 11, so that the maintainability of the first substrate 41 is improved.

  Further, according to the embodiment to which the present invention is applied, the guide rail 43 is a rail having a substantially U-shaped cross section facing each other, and the side edge portion 51A of the substrate holder 51 is inserted into the guide rail 43 and supported. Secure to member 50. According to this, when the first substrate 41 is fixed to the support member 50 integrally with the substrate holder 51, the guide rail 43 serves as a guide, and the first substrate 41 is damaged by hitting the surrounding components. Since it can be installed without worry, workability is improved.

  Further, according to the embodiment to which the present invention is applied, the substrate holder 51 is detached from the support member 50 by removing the ceiling panel 13 that forms the top surface of the unit case 11 during maintenance of the first substrate 41. The first substrate 41 can be easily removed integrally with the substrate holder 51 from the upper opening of the unit case 11 from which the ceiling panel 13 has been removed, and the maintainability is improved.

  Further, according to the embodiment to which the present invention is applied, the first substrate 41 is mounted on the first substrate 41 in order to mount an electrical component with a large calorific value such as a hybrid IC or an electrical component that is a consumable part. The heat generated from the mounted electrical component can be dissipated through the heat sink 55 fixed to the substrate holder 51 together with the first substrate 41. Also, electrical components that generate a large amount of heat, such as hybrid ICs, have a relatively high frequency of failure. Therefore, maintenance is necessary, and electrical components that generate a large amount of heat or consumable parts can be easily removed. The first board 41 is mounted on the first board 41, and the first board 41 is prepared as one replacement part, so that the first board 41 can be easily replaced as needed. Maintainability can be improved.

  The electrical unit 40 includes a second substrate 42, and the second substrate 42 and the first substrate 41 are arranged in a substantially T shape and attached to the support member 50, and are mounted on the first substrate 41. Since the electrolytic capacitors 56 are arranged side by side on the back side of the second substrate 42, when the side edge portion 51A is fitted between the guide rails 43 and the substrate holder 51 is slid and attached to the support member 50 from above, The guide rail 43 serves as a guide, and the electrolytic capacitor 56 provided so as to protrude from the first substrate 41 to the machine room R2 side can be attached without being damaged by hitting the second substrate 42. it can. Further, since the electrolytic capacitor 56 is arranged so as not to hit the second substrate 42 when the first substrate 41 is attached to the support member 50, the detachability of the first substrate 41 can be improved.

  Further, since the support member 50 includes the third support plate 48 that surrounds the electrolytic capacitor 56 and supports the second substrate 42, the support member 50 supports the first substrate 41 and the second substrate 42 in a substantially T shape. The rigidity of the support member 50 is improved by including the third support plate 48. Further, since the third support plate 48 is provided so as to surround the periphery of the electrolytic capacitor 56 provided so as to protrude from the first substrate 41 to the machine room R2 side, the electrolytic capacitor 56 is connected to the third support plate 48. By attaching the first substrate 41 so as to be accommodated in the space R3 between the second substrates 42, the electrolytic capacitor 56 is not damaged by hitting surrounding components and the workability is improved.

R1 Heat exchange chamber R2 Machine room 10 Outdoor unit 11 Unit case (housing)
13 Ceiling panel 16 Partition plate 16B Partition plate body (partition plate body)
21 Heat Exchanger 22 Blower 40 Electrical Unit 41 First Board (Board)
42 Second substrate 43 Guide rail 48 Third support plate (support plate)
50 Support member 51 Substrate holder 51A Side edge 56 Electrolytic capacitor

Claims (6)

An air conditioner having a vertically extending partition that divides the housing into a heat exchange chamber and a machine room, a heat exchanger and a blower accommodated in the heat exchange chamber, and a compressor and an electrical unit accommodated in the machine chamber In the outdoor unit of the device,
The partition plate is connected to an upper end portion of the partition plate body, and includes a support member that supports the electrical unit.
The support member includes a pair of guide rails that extend to both ends in the width direction of the partition plate and face an opening that communicates the heat exchange chamber and the machine chamber.
The outdoor unit of an air conditioner, wherein the electrical unit includes a substrate holder to which a substrate is attached and a side edge portion is fitted between the guide rails so that it can be pulled out integrally with the substrate.   The guide rail is a rail having a substantially U-shaped cross section facing each other, and a side edge portion of the substrate holder is inserted inside the guide rail and fixed to the support member. The outdoor unit of the air conditioning apparatus described.   3. The air conditioner according to claim 1, wherein the substrate holder is detached from the support member by removing a ceiling panel that forms a top surface of the housing during maintenance of the substrate. Outdoor unit.   The outdoor unit of the air conditioner according to any one of claims 1 to 3, wherein the substrate is mounted with an electrical component that generates heat or an electrical component that is a consumable part.   The electrical unit includes a second substrate, and the second substrate and the substrate are arranged in a substantially T shape and attached to the support member, and the electrolytic capacitor mounted on the substrate is the second substrate. The outdoor unit of an air conditioner according to any one of claims 1 to 4, wherein the outdoor unit is arranged side by side on the back side of the substrate.   The outdoor unit of an air conditioner according to any one of claims 1 to 5, wherein the support member includes a support plate that surrounds the electrolytic capacitor and supports the second substrate.

Images