JP2010071519A - Electronic component unit for air conditioner and outdoor unit for the air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric component unit preventing water such as condensation water from coming into contact with a terminal table and an air conditioner having the electric component unit. <P>SOLUTION: The electric component unit 5 for the air conditioner includes a first control substrate 51 and a water prevention member 56. The first control substrate 51 is mounted with an electric component on one face and is extended to the approximately vertical direction. The water prevention member 56 is arranged on the back side of the mounting face of the electric component of the first control substrate 51 and is extended to the approximately vertical direction along the first control substrate 51. The water prevention member 56 includes a projecting part 57b comprising a first portion 58 positioned on the lower side of the water prevention member 56 and below the first control substrate 51 and protruded to the first control substrate 51 side and a second portion 59 extended downwardly from the tip of the first portion 58. The terminal table 60 is mounted to the second portion 59 of the projecting part 57b on the same side as the mounting face of the electric component of the first control substrate 51, and the upper face of the terminal table 60 is set higher than the first portion 58 of the projecting part 57b. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electrical component unit of an air conditioner and an outdoor unit of the air conditioner including the same.

Conventionally, in an outdoor unit of an air conditioner, as disclosed in Patent Document 1, a casing having a substantially rectangular parallelepiped shape is divided into a machine room and a blower room by a partition plate extending in a vertical direction. There is something. Two fans are arranged in the vertical direction in the blower chamber, and a compressor and an electrical component unit are installed in the machine chamber. In particular, the electrical component unit in the machine room is installed above the compressor. The electrical component unit has a control board on which electrical components constituting various control circuits are mounted, and a terminal block to which various wirings are connected.
JP 2008-138941 A

  By the way, some recent outdoor units have a refrigerant pipe for a low-pressure refrigerant disposed above an electrical component unit. In this outdoor unit, the air around the refrigerant pipe is condensed by the refrigerant in the refrigerant pipe, resulting in condensation, and there is a risk that the dew condensation water will fall to the electrical component unit. When this condensed water comes into contact with an electrical component such as a terminal block of the electrical component unit, for example, a contact failure due to corrosion of the wiring occurs, and a problem that a signal transmitted through various wirings is not normally transmitted occurs.

  Accordingly, the present invention provides an electrical component unit of an air conditioner that can prevent water such as condensed water from coming into contact with a terminal block of the electrical component unit, and an outdoor unit of an air conditioner including the same. And

  The electrical component unit of the air conditioning apparatus according to the first aspect includes a first plate member and a second plate member. The first electrical component is mounted on one side of the first plate member, and extends in a substantially vertical direction. The second plate member is disposed on the back side of the mounting surface of the first electrical component among the first plate members, and extends in the substantially vertical direction along the first plate member. The 2nd plate-shaped member is comprised by the 1st part and the 2nd part, and has the support part for supporting a 2nd electrical component. The first portion is a portion protruding to the first plate-like member side below the second plate-like member and below the first plate-like member. The second portion extends downward from the tip portion of the first portion. The second electrical component includes a terminal portion to which wiring is connected. The second electrical component is attached to the same side of the second part of the support portion as the electrical component mounting surface of the first plate-like member. And the 2nd electrical component is attached to the 2nd part so that the upper surface may become higher than the 1st part of a support part.

  According to this electrical component unit, the second electrical component is attached to the second portion of the support portion so that a step is formed between the upper surface of the second electrical component including the terminal portion and the first portion of the support portion. Yes. As a result, of the side surfaces of the second plate-like member, the side surface (hereinafter referred to as the surface) that is the mounting surface side of the first electrical component and the water that has traveled on the first plate-like member has reached the first portion. Even so, the water is blocked by the step between the second electrical component and the first portion, and it is difficult for water to reach the second electrical component. Therefore, it is possible to prevent water from coming into contact with the second electrical component.

  The electrical component unit of the air conditioner according to a second aspect is the electrical component unit of the air conditioner according to the first aspect, and the first portion extends substantially horizontally toward the first plate member.

  According to this electrical component unit, since the first portion of the support portion extends substantially horizontally, even if the main body portion and the support portion of the second plate-shaped member are integrally formed of a relatively thin metal, the support portion The strength of can be kept.

  The electrical component unit of the air conditioning apparatus according to the third aspect is the electrical component unit of the air conditioning apparatus according to the first aspect, and the first portion is inclined so that the second portion side is higher.

  According to this electrical component unit, the first portion is inclined so that the second portion side to which the second electrical component including the terminal portion is attached becomes higher. Thereby, even if the water that has traveled on the surface of the second plate-like member or the first plate-like member reaches the first portion, this water is less likely to flow from the first portion to the second portion. It becomes difficult for water to reach the second electrical component.

  An electrical component unit of an air conditioner according to a fourth aspect is the electrical component unit of an air conditioner according to any of the first to third aspects, wherein a first through hole is formed in the first portion.

  According to this electrical component unit, since the first through hole is formed in the first portion of the support portion, the water that has reached the first portion along the surface of the second plate member or on the first plate member. Falls from the first through hole downward. In addition, if the first portion of the support portion is inclined so as to become lower toward the second portion side, water can easily reach the second electrical component attached to the second portion. By forming the through hole on the second part side of the first part, water falls from the first through hole formed in the first part, so that it is difficult for water to reach the second electrical component.

  An electrical component unit of an air conditioner according to a fifth aspect of the present invention is the electrical component unit of an air conditioner according to any of the first to fourth aspects of the present invention, wherein water that has traveled through the second plate-like member is supplied to the first portion. Grooves for guiding in a predetermined direction are formed.

  According to this electrical component unit, a groove is formed in the first portion of the support portion. Therefore, the water that has reached the first portion along the surface of the second plate-like member or the first plate-like member flows along the groove on the first portion. By setting the predetermined direction to a direction in which water does not flow to the second electrical component including the terminal portion, it is possible to prevent water from reaching the second electrical component. In particular, the strength of the support portion can be further ensured by forming the groove in a convex shape.

  An electrical component unit of an air conditioner according to a sixth aspect of the present invention is the electrical component unit of the air conditioner according to any of the first to fifth aspects, wherein each of the first plate member and the second plate member is a first plate. The spacer member for connecting the plate-like member and the second plate-like member has a second through-hole.

  In this electrical component unit, a second through hole for a spacer member is formed in each of the first plate member and the second plate member. However, even if the spacer member passes through the second through-hole of each member and connects the first plate-like member and the second plate-like member, each second through-hole has a slight gap. turn into. Then, for example, water flowing on the back surface of the second plate member may reach the surface of the second plate member or the first plate member 51 through this gap. However, in the electrical component unit of the present invention, a step is generated between the upper surface of the second electrical component and the first portion of the support portion, and further, the first through hole or groove is formed in the first portion of the support portion. Is formed. Therefore, for example, even if water flows along the surface of the second plate-like member or the first plate-like member through the gap of the second through hole and reaches the first portion, the water is on the second electrical component side. It becomes difficult to flow.

  The outdoor unit of the air conditioning apparatus according to the seventh aspect includes a casing, a partition plate, and an electrical component unit. The casing has a substantially rectangular parallelepiped shape. The partition plate extends substantially vertically so as to divide the inside of the casing into a blower chamber and a machine chamber. The electrical component unit is an electrical component unit of an air conditioner according to any one of Inventions 1 to 6 arranged in a machine room.

  According to the outdoor unit of this air conditioner, the same effects as those of Inventions 1 to 6 can be achieved.

  According to the electrical component unit of the air conditioner according to the first aspect of the invention, water is blocked by the step between the second electrical component including the terminal portion and the first portion, and water hardly reaches the second electrical component. Therefore, it is possible to prevent water from coming into contact with the second electrical component.

  According to the electrical component unit of the air conditioner according to the second aspect, the strength of the support portion can be maintained even if the main body portion and the support portion of the second plate-shaped member are integrally formed of a relatively thin metal.

  According to the electrical component unit of the air conditioner according to the third aspect of the present invention, even if the water that has traveled on the surface of the second plate-like member or the first plate-like member reaches the first portion, Therefore, it is difficult for water to reach the second electrical component.

  According to the electrical component unit of the air conditioner according to the fourth aspect of the invention, the water that has reached the first portion along the surface of the second plate-like member or the first plate-like member falls downward from the first through hole. become. In addition, if the first portion of the support portion is inclined so as to become lower toward the second portion side, water can easily reach the second electrical component attached to the second portion. By forming the through hole on the second part side of the first part, water falls from the first through hole formed in the first part, so that it is difficult for water to reach the second electrical component.

  According to the electrical component unit of the air conditioner according to the fifth aspect of the invention, the predetermined direction is set to a direction in which water does not flow to the second electrical component, thereby preventing water from reaching the second electrical component. . In particular, the strength of the support portion can be further ensured by forming the groove in a convex shape.

  According to the electrical component unit of the air conditioner according to the sixth aspect of the invention, for example, water flows along the surface of the second plate-like member or the first plate-like member through the gap of the second through hole and reaches the first portion. Even if it does, this water becomes difficult to flow to the 2nd electrical equipment side.

  According to the outdoor unit of the air conditioner according to the seventh aspect, the same effects as those of the first to sixth aspects can be achieved.

  Hereinafter, an electrical component unit of an air conditioner according to the present invention and an outdoor unit of the air conditioner will be described in detail with reference to the drawings.

(1) Configuration of outdoor unit of air conditioner FIG. 1 is an external perspective view of an outdoor unit 1 of an air conditioner according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of the outdoor unit 1 of FIG. FIG. 3 is a perspective view of the outdoor unit 1 in a state in which the right front plate 22, the right side plate 23, the back grille 24, and the top plate 25 of the casing 2 in the outdoor unit 1 are removed. The outdoor unit 1 is installed outside and is connected to an indoor unit (not shown) attached to an indoor wall surface or the like via a refrigerant communication pipe (not shown). In the following description, expressions indicating directions such as “up”, “down”, “left”, “right”, “vertical”, “horizontal” and the like are appropriately used. Represents each direction in the state installed in the state of FIG. In the outdoor unit 1, “front” represents a surface on which the fan grilles 21 a and 21 b are disposed, and “rear” represents a surface facing the “front”.

  As shown in FIGS. 1 to 3, the outdoor unit 1 mainly includes a casing 2, a partition plate 26, a plate member 3, an outdoor heat exchanger 41, a four-way switching valve 42, a compressor 43, an IH heater unit 45, Blowers 46 a and 46 b, electrical component unit 5, and heat radiating fins 7 are provided.

(1-1) Casing As shown in FIG. 1, the casing 2 has a substantially rectangular parallelepiped shape, and is formed of sheet metal and resin. As shown in FIG. 2, the casing 2 includes a bottom plate 20, a left front plate 21, a right front plate 22, a right plate 23, a back grill 24, and a top plate 25.

  The bottom plate 20 is a substantially rectangular metal plate-like member that constitutes the lower surface portion of the casing 2. The peripheral edge of the bottom plate 20 is bent upward. On the upper surface of the bottom plate 20, a gas refrigerant pipe 20 a for flowing the gas refrigerant discharged from the compressor 43 is arranged. Further, two fixed legs 20b and 20c fixed to the field installation surface are provided on the lower surface of the bottom plate 20.

  The left front side plate 21 is a metal plate-like member that mainly constitutes the left side portion of the casing 2. The left front side plate 21 is formed in a substantially L shape in a top view, is arranged from the left side surface of the outdoor unit 1 to the left side portion of the front surface, and extends from the bottom plate 20 to the top plate 25. In the portion of the left front side plate 21 that forms the front of the outdoor unit 1, two circular outlets (not shown) having a circular shape are formed side by side in the vertical direction so as to cover each outlet. Grills 21a and 21b are respectively attached. The outlet is an opening for discharging air taken in from the rear side and the left side of the casing 2 to the outside by the blower fans 46a and 46b.

  The right front plate 22 is a metal plate-like member that mainly forms the front right side of the casing 2. More specifically, the right front plate 22 is formed in a substantially L shape in a top view, is arranged from a part of the right side surface of the outdoor unit 1 to the right side portion of the front surface, and extends from the bottom plate 20 to the top plate 25. Yes. That is, the front surface of the casing 2 is configured by the left front plate 21 and the right front plate 22.

  In particular, the right front plate 22 according to this embodiment has two openings 22a and 22b. Of the two openings 22a and 22b, the upper opening 22a is an opening for taking outside air into the casing 2, and is provided at a position determined by the heat radiating fins 7 to be described later. Hereinafter, the opening 22a is referred to as an outside air intake opening. The positional relationship of the outside air intake opening 22a will be described in “(1-10) Radiation fin”. The opening 22b positioned below the outside air intake opening 22a is an opening through which a refrigerant communication pipe that connects the outdoor unit 1 and the indoor unit (not shown) passes. Hereinafter, the opening 22b is referred to as a piping opening. The piping opening 22b is formed in the vicinity of the front end and the side end of the right front plate 22 and in the vicinity of the bottom plate 20.

  The right side plate 23 is a metallic plate-like member that mainly constitutes the remaining part of the right side surface of the casing 2 excluding the part constituted by the right front plate 22 and a part of the back surface. The right side plate 23 extends from the bottom plate 20 to the top plate 25, and is formed in a substantially L shape in a top view.

  The back grille 24 mainly constitutes the back surface of the casing 2. Specifically, the back grille 24 constitutes the remaining portion (specifically, the left-side portion of the back side of the casing 2) excluding the portion constituted by the right side plate 23, from the bottom plate 20 to the top plate 25. It extends. The back grille 24 has a structure in which a polypropylene resin frame is attached to a metal wire assembled in a lattice shape.

  The top plate 25 is a substantially rectangular metal plate-like member that constitutes the upper surface of the casing 2. The peripheral portion of the top plate 25 has a shape that can be engaged with the upper ends of the left front plate 21, the right front plate 22, the right plate 23, and the back grille 24.

(1-2) Partition plate The partition plate 26 extends substantially vertically from the bottom plate 20 of the casing 2 to the top plate 25, and has an arc shape when viewed from above. As shown in FIG. 3, the partition plate 26 is provided in the casing 2 so as to divide the inside of the casing 2 into a machine chamber Sq1 and a blower chamber Sq2. The machine room Sq1 is provided with a four-way switching valve 42, a compressor 43, an IH heater unit 45, an electrical component unit 5 and a heat radiating fin 7, and an outdoor heat exchanger 41 and blower fans 46a and 46b are provided in the blower room Sq2. Is installed.

  Two vent holes 26a and 26b are formed in the upper part of the partition plate 26 in the vertical direction. The vent holes 26a and 26b are openings through which air flowing from the machine room Sq1 to the blower room Sq2 passes. The flow of air passing through the vent holes 26a and 26b will be described in “[Outside air path]” in “(1-10) Radiation fin”. Further, as shown in FIG. 4, the partition plate 26 is formed with an electrical component unit opening 26c for exposing a part of the electrical component unit 5 and the plate-like member 3 to the air blowing chamber Sq2 side. . In the present embodiment, the electrical component unit opening 26c is formed above an approximately half height of the partition plate 26 and below the vent holes 26a and 26b (FIG. 3).

  Further, as shown in FIGS. 4 and 6, the partition plate 26 is formed with wiring openings 26d through which the power wirings L1, L2 for the fan motor pass. The wiring opening 26d is located below the electrical component unit opening 26c. With the wiring openings 26d, the power wirings L1, L2 for the fan motor can extend from the blower chamber Sq2 side to the machine chamber Sq1 side.

(1-3) Plate-shaped member The plate-shaped member 3 is for making the partition plate 26 support the electrical component unit 5, Comprising: As shown in FIGS. 2-4 and FIG. It extends substantially vertically along the partition plate 26 between the electrical component unit 5. The plate-like member 3 has a length from about half the height of the fan grille 21a to about half the height of the partition plate 26 (FIGS. 2 and 3). That is, the plate-like member 3 has a height that is substantially the same as the height of the electrical component unit 5 to be mounted (FIG. 4). As shown in FIGS. 4 and 5, the plate-like member 3 has a plate-like member main body 31 and two wiring support portions 32 a and 32 b. Here, FIG. 5 is a view when the VV cross section of the outdoor unit 1 of FIG. 3 is viewed from above.

  The plate-like member main body 31 is a metal plate-like member. The plate-shaped member main body 31 extends along the partition plate 26 from the upper direction to the first predetermined position P1 (that is, the portion 31a of the plate-shaped member main body 31) in the top view, and the first predetermined position P1. To the second predetermined position P2 (that is, the portion 31b of the plate member main body 31) extends in a direction away from the partition plate 26. That is, the portion 31a of the plate-like member main body 31 has a substantially arc shape along the partition plate 26 in a top view, and the portion 31b of the plate-like member main body 31 is separated from the partition plate 26 in a top view. It extends in the intersecting direction (arrow X direction in FIG. 5).

  As shown in FIG. 6, the two wiring support portions 32a and 32b are for supporting the power wirings L1 and L2 for the fan motor extending from the blower chamber Sq2 through the wiring opening 26d. As shown in FIGS. 3 to 4 and 6, they are located at locations separated from each other in the vertical direction in a front view. As shown in FIG. 5, the wiring support portions 32a and 32b are provided at a predetermined distance from the partition plate 26 so as to support the power supply wires L1 and L2 pushed between the wiring support portions 32a and 32b. Yes. Further, the wiring support portions 32a and 32b extend from the second predetermined position P2 of the plate member main body portion 31 toward the partition plate 26 side (that is, in the direction of arrow Y in FIG. 5), and the tip portions thereof are the power supply wirings. The side of L1 and L2 is folded back toward the opposite side, that is, the front side of the casing 2. That is, the wiring support portions 32a and 3b are separated by a predetermined distance D from the turning point P3 to the nearest partition plate 26. The predetermined distance D is determined according to the diameter of the supported power supply wirings L1 and L2, and is approximately 6 mm in this embodiment. With the wiring support portions 32a and 32b having such a configuration, the power supply wires L1 and L2 are pushed between the wiring support portions 32a and 32b and the partition plate 26 without being damaged by the tip portions of the wiring support portions 32a and 32b. And supported by the wiring support portions 32a and 32b.

  The wiring support portions 32a and 32b are made of thin metal as a material that can be elastically deformed. In particular, the wiring support portions 32a and 32b according to the present embodiment are integrally formed with the plate-shaped member main body portion 31 by a thin metal (FIG. 7A). Specifically, the plate-like member main body portion 31 and the wiring support portions 32a and 32b composed of the two portions 31a and 31b are formed by being bent at the dotted line portions A1, A2 and A3 in FIG. (FIG. 7B). The dotted line portion A1 and the dotted line portion A2 are bent to the same side, and the dotted line portion A3 is bent in the opposite direction to the dotted line portions A1 and A2. Accordingly, the portions A0 to A2 in FIG. 7A become the portion 31a along the partition plate 26 in the plate-like member main body 31 (that is, the portion 31a in FIGS. 5 and 7B), and the portion A2 ˜A3 is a portion of the plate-like member main body 31 that is away from the partition plate 26 (that is, a portion 31b in FIGS. 5 and 7B). The portions A3 to A5 in FIG. 7A become the wiring support portions 32a and 32b, but the dotted line portion A4 in FIG. 7A is opposite to the dotted line portion A3 (that is, the same as the dotted line portions A1 and A2). The portions A4 to A5 become folded portions of the wiring support portions 32a and 32b. In this way, the wiring support portions 32a and 32b are integrally formed with the plate-like member main body portion 31, so that each of the wiring support portions 32a and 32b is located on the plate-like member main body portion 31 from the first predetermined position P1. 2 It comes to be connected via the part 31b of the plate-shaped member main-body part 31 extended to the predetermined position P2.

  In the present embodiment, the plate-like member 3 is made of a metal having a thickness of about 0.8 mm. The portion 31a of the plate-shaped member main body 31 has a length in the B1 direction of FIG. 7B of about 24.6 cm when viewed from above, and the portion 31b has a length in the B2 direction of about 4.7 cm. Yes. The wiring support portions 32a and 32b are inclined approximately 30 degrees with respect to the portion 31b of the plate-like member main body portion 31, and have a length of about 1,7 cm.

  When the electrical component unit 5 is mounted (FIG. 4), such a plate-like member 3 is attached to the partition plate 26 according to the position of the electrical component unit opening 26 c of the partition plate 26.

(1-4) Outdoor heat exchanger The outdoor heat exchanger 41 is for exchanging heat with the air sucked into the casing 2 from the back side and the left side of the casing 2. The outdoor heat exchanger 41 has a substantially L-shape as shown in FIG. 2 and is arranged along the back surface from the left side surface of the casing 2 as shown in FIG. Such an outdoor heat exchanger 41 has a heat transfer tube (not shown) that is bent back and forth at both ends in the longitudinal direction, and a fin portion (not shown) that includes a plurality of fins through which the heat transfer tube is inserted. . The heat transfer tube is connected to a pipe (not shown), and the refrigerant flowing through the pipe flows inside the heat transfer pipe.

(1-5) Four-way switching valve The four-way switching valve 42 is for switching the flow direction of the refrigerant. The four-way selector valve 42 is located above the IH heater unit 45 and above the water prevention top plate 53 in the electrical component unit 5. The four-way switching valve 42 connects the discharge side of the compressor 43 and one end of the outdoor heat exchanger 41 so that the outdoor heat exchanger 41 functions as a cooler for the refrigerant compressed by the compressor 43 during the cooling operation. At the same time, the suction side of the compressor 43 and a refrigerant communication pipe (not shown) are connected. In addition, the four-way switching valve 42 communicates with the discharge side of the compressor 43 and the refrigerant so that the outdoor heat exchanger 41 functions as a heater for the refrigerant cooled in the indoor heat exchanger (not shown) during the heating operation. A pipe (not shown) is connected, and the suction side of the compressor 43 and one end of the outdoor heat exchanger 41 are connected.

  As shown in FIGS. 3 and 8, the four-way switching valve 42 has a low-pressure pipe 42a through which a low-pressure refrigerant flows. When the low-pressure refrigerant flows through the low-pressure pipe 42a, water vapor in the air around the low-pressure pipe 42a is condensed to cause condensation, and the condensed water easily falls downward.

  In addition, the discharge system pipe 42 b of the four-way switching valve 42 is located at a location relatively close to the casing 2. Therefore, the pipe 42 b is easy to contact the right front plate 22 and the right side plate 23 of the casing 2. However, in this embodiment, since the heat insulating material 42c is wound around the portion of the pipe 42b close to the casing 2, the pipe 42b does not directly contact the right front plate 22 and the right side plate 23 of the casing 2.

(1-6) Compressor The compressor 43 is for compressing the refrigerant, and is driven by a compressor motor (not shown). As shown in FIG. 3, the compressor 43 is disposed in the machine room Sq1. More specifically, the compressor 43 is arranged in the vicinity of the partition plate 26 and below the electrical component unit 5 in the machine room Sq1. Further, an accumulator 44 is located beside the compressor 43.

(1-7) IH heater unit The IH heater unit 45 is mainly composed of an electromagnetic induction coil, and is located above the accumulator 44 in the machine room Sq1. The IH heater unit 45 is connected to the accumulator 44 and the four-way switching valve 42 via piping. The IH heater unit 45 is turned on only during operation for quickly heating the refrigerant. Here, examples of the operation for quickly heating the refrigerant include an operation start time and a defrost operation time for removing frost attached to the outdoor heat exchanger 41.

(1-8) Blower Fan The blower fans 46a and 46b are for sending the air in the blower chamber Sq2 to the outside of the outdoor unit 1. As shown in FIG. 2, two blower fans 46a and 46b are provided so as to be arranged in the vertical direction. More specifically, each of the blower fans 46a and 46b is a propeller fan having three blades, and corresponds to each blowout port formed in the left front side plate 21 of the casing 2 in the vertical direction. Has been placed. Output shafts of fan motors (not shown) that function as rotational drive sources of the blower fans 46a and 46b are connected to the rotary shafts of the blower fans 46a and 46b, respectively. Therefore, if each fan motor rotates, each ventilation fan 46a, 46b can rotate by transmitting rotation of each fan motor to a rotating shaft.

(1-9) Electrical component unit The electrical component unit 5 is disposed on the upper side of the compressor 43 in the machine room Sq1, and stores a plurality of electrical components. For example, as shown in FIG. 4, the electrical component unit 5 mainly includes a first control board 51 (corresponding to a first plate member), a second control board 52, a water prevention top plate 53, and a water prevention member. 56 (corresponding to the second plate-like member).

[First control board]
As shown in FIGS. 3, 6, and 9, the first control board 51 extends in a substantially vertical direction along a substantially front surface of the casing 2 (specifically, a front side portion of the right front plate 22 of the casing 2). It is provided to extend. The first control board 51 is a control board for the IH heater unit 45, that is, an electromagnetic induction coil. In addition to a control circuit for controlling on / off of the IH heater unit 45, the first control board 51 generates power to be supplied to the control circuit. A plurality of electrical components (corresponding to a first electrical component) that constitute a power supply circuit for the vehicle are mounted. In particular, the electrical components that make up the power supply circuit include heat-generating components such as power transistors, and the first control board 51 has all the electrical components on the front side surface of the casing 2 (hereinafter referred to as the first control board). It is mounted only on the surface 51). That is, electrical components are mounted on the first control board 51 only on one side of the first control board 51. As shown in FIG. 11, the first control board 51 is provided with a first spacer through hole ho1 (corresponding to a second through hole). The first spacer through hole ho1 is a hole through which the spacer member SP passes.

[Second control board]
As shown in FIGS. 3 to 4, 6, and 8, the second control board 52 extends substantially vertically along the partition plate 26 and the plate-like member 3. That is, the second control board 52 is disposed so as to be inclined at a predetermined angle with respect to the first control board 51 in a top view. On the second control board 52, a plurality of electrical components constituting a control circuit such as a device other than the IH heater unit 45, specifically, a compressor motor, a four-way switching valve 42, a fan motor, and the like are mounted. . The plurality of electrical components are mounted on the surface of the second control substrate 52 opposite to the surface on the partition plate 26 side, that is, the surface on the first control substrate 51 side. That is, like the first control board 51, the electrical components are mounted on the second control board 52 only on one side of the second control board 52.

  Further, two connectors 52a and 52b are attached to the second control board 52 as shown in FIGS. The connectors 52a and 52b are connectors for connecting the power wirings L1 and L2 for the fan motor extending from the blower chamber Sq2. Two connectors 52a and 52b are positioned side by side in the vertical direction near and on the left end of the surface of the second control board 52 where the electrical components are mounted. As shown in FIG. 6, the connectors 52a and 52b are connected to leading ends of power supply wirings L1 and L2 extending upward from the wiring openings 26d of the partition plate 26 along the plate-like member 3. The power supply wires L1 and L2 are supported by the wiring support portions 32a and 32b of the plate-like member 3 in the middle thereof.

[Waterproof top plate]
As shown in FIGS. 3 to 4, 6, and 9, the water prevention top plate 53 extends in a direction intersecting the substantially vertical direction above the first control board 51 and is made of metal. ing. In the present embodiment, the water prevention top plate 53 is formed of a metal having a thickness of about 0.8 mm. As shown in FIGS. 4, 6, and 8, the water prevention top plate 53 includes a first top plate 54 and a second top plate 55.

  The first top plate 54 is connected to the upper end portion of the water prevention member 56 located on the back side of the mounting surface of the electrical component in the first control board 51, and from the upper end portion to the mounting surface side, that is, the casing 2. It extends so as to protrude to the front side. In particular, the first top plate 54 according to the present embodiment causes the dew condensation water falling from above the water prevention top plate 53 (specifically, the low-pressure pipe 42a of the four-way switching valve 42) to flow in the first predetermined direction. As shown in FIG. 9, it is disposed at an inclination of the first predetermined angle θ1 with respect to the horizontal direction (FIG. 9). Specifically, the first top plate 54 is inclined so as to gradually become higher as it protrudes from the upper end side of the water prevention member 56 toward the first mounting surface side. That is, the first top plate 54 has the upper end side of the water prevention member 56 so that the condensed water is guided from the front side of the casing 2 to the water prevention member 56 located on the back side of the first control board 51. The first control board 51 is inclined so as to be lower than the mounting surface side of the electrical component, that is, the front side of the casing 2. As a result, the condensed water that has dropped from the upper side of the water-preventing top plate 53 onto the first top plate 54 does not contact the mounting surface of the electrical components on the first control board 51, but travels through the first top plate 54. And flows to the water prevention member 56.

  Further, as shown in FIGS. 4, 6, and 8, four first grooves 54a, 54b, 54c, 54d are formed on the upper surface of the first top plate 54 along the first predetermined direction dr1. Is formed. Each 1st groove | channel 54a-54d has a concave shape, and restrict | limits the expansion of the flow of the dew condensation water which has fallen from upper direction. Such first grooves 54 a to 54 d extend from the front side of the casing 2 to the upper end of the water prevention member 56 on the upper surface of the first top plate 54, and are provided apart from each other. In the present embodiment, each of the first grooves 54a to 54d has a depth of about 1.5 mm and a width of about 3 mm. The first grooves 54a to 54d allow the condensed water to flow from the front side of the casing 2 to the water preventing member 56 along the first grooves 54a to 54d without the flow expanding.

  As shown in FIGS. 4 and 6, the second top plate 55 connects the upper end portion of the second control board 52 and the vicinity of the upper end portion of the water prevention member 56, and is also shown in FIGS. 8 and 10. Thus, it extends to below the four-way switching valve 42. Here, FIG. 10 is a view of the vicinity of the enclosure W1 when the inside of the machine room Sq1 excluding the casing 2 from the outdoor unit 1 of FIG. 8 is viewed from the back side (arrow V of FIG. 8). As is clear from FIG. 10, a step st is formed on the second top plate 55 according to the present embodiment. The level difference st is for regulating the flow of the dew condensation water falling from above in the second predetermined direction dr2. More specifically, the step st is the second control board 52 in the second top board 55 in order to regulate the flow of condensed water to the mounting surface of the electrical component in the second predetermined direction dr2, that is, the second control board 52. It is formed so that the side closer to is higher than the far side. That is, the level difference st is formed on the second top plate 55 such that the mounting surface side of the electrical component on the second control board 52 is higher than the four-way switching valve 42 side. In the present embodiment, the step st is formed in one step along the first grooves 54 a to 54 d on the first top plate 54 (FIG. 8), and is more second than the four-way switching valve 42 side. The side on the 52 side is approximately 3 mm higher.

  In addition, a reactor Re functioning as a transformer is disposed in a portion of the upper surface of the second top plate 55 close to the mounting surface of the electrical component on the second control board 52. Further, an opening 55a is provided in the vicinity of the front side of the casing 2 in the second top plate 55 (FIG. 8). The opening 55a is used when the operator uses the opening 55a as a handle when the electric component unit 5 attached to the plate-like member 3 is attached to the partition plate 26 in the assembly process of the outdoor unit 1. It is an opening for allowing the electrical component unit 5 to be easily lifted (FIG. 4). When lifting up the electrical component unit 5, the operator holds the electrical component unit 5 stably by holding the opening 55a with one hand and supporting the lower right portion of the electrical component unit 5 with the other hand. Can be lifted.

[Water prevention member]
As described above, the water prevention member 56 is disposed on the back side of the mounting surface of the electrical component on the first control board 51 and is formed of a metal having a thickness of about 0.8 mm, like the water prevention top plate 53. ing. As shown in FIG. 11, the water prevention member 56 has a second spacer through hole ho2 (corresponding to a second through hole) at a position corresponding to the first spacer through hole ho1 of the first control board 51. Have. As a result, the first control board 51 and the water prevention member 56 are connected when the spacer member SP passes through the first and second spacer through holes ho1 and ho2.

  For example, as shown in FIG. 9, the water preventing member 56 extends in the substantially vertical direction along the first control board 51. The water prevention member 56 includes a water prevention member main body 57a that extends slightly longer than the vertical length of the first control board 51, and a lower part of the water prevention member main body 57a and below the first control board 51. It has a protruding portion 57b (corresponding to a supporting portion) protruding toward the first control board 51 (that is, the front side of the casing 2). The protrusion 57b is for supporting the terminal block 60, and includes a first portion 58 and a second portion 59 (FIG. 11).

  As shown in FIG. 11, the first portion 58 extends to the first control board 51 side. More specifically, the first portion 58 according to the present embodiment is disposed below the first control board 51 from the lower end portion of the water prevention member main body 57 a located on the back side of the first control board 51, and in front of the casing 2. It extends substantially horizontally toward the side (that is, the right front plate 22 side). The front end portion of the first portion 58 is located on the front side of the casing 2 with respect to the first control board 51. As shown in FIG. 12, the first portion 58 has two water discharge through holes 58a, 58b (corresponding to the first through hole) and three second grooves 58c, 58d, 58e (corresponding to the grooves). ) And are formed. The water discharge through holes 58 a to 58 b are holes for allowing condensed water to drop below the first portion 58. Each of the second grooves 58c to 58e has a concave shape, and is inclined at a second predetermined angle θ2 so as to be slightly lower from the water preventing member main body 57a toward the front side of the casing 2 (see FIG. 13). Such second grooves 58c to 58e can guide dew condensation water in a third predetermined direction dr3 (corresponding to a predetermined direction) from the water preventing member main body 57a side toward the front side of the casing 2.

  The second portion 59 extends substantially vertically downward from the tip portion of the first portion 58. A terminal block 60 (corresponding to a terminal portion) to which various wires extending from the first and second control boards 51 and 52 are connected to the same side of the second part 59 as the mounting surface of the electrical component on the first control board 51. ) Is attached. In the terminal block 60, the wiring is mainly located on the upper surface, the side surface located near the front surface of the casing 2 and along the front surface, and the lower surface. And this terminal block 60 is attached to the 2nd part 59 so that the upper surface may become higher than the 1st part 58, as FIGS. 11-13 shows. That is, a step is formed between the terminal block 60 and the first portion 58 where the upper surface of the terminal block 60 is higher than the first portion 58. As a result, the dew condensation water flowing on the first portion 58 does not flow to the wiring connection portion of the terminal block 60, and travels downward through the back surface of the terminal block 60, that is, the contact portion between the second portion 59 and the terminal block 60. It flows.

  As shown in FIG. 9, the length of the first portion 58 in the substantially horizontal direction is shorter than the length of the first top plate 54 in the water prevention top plate 53 to the front side of the casing 2. And when the terminal block 60 is attached to the 2nd part 59, the casing 2 side edge part of the 1st top plate 54 is slightly the front of the casing 2 rather than the side surface located along the casing 2 front side of the terminal block 60. It is close. That is, since the first top plate 54 extends to the casing 2 side with respect to the side surface of the terminal block 60, the first top plate 54 covers not only the first control board 51 but also the terminal block 60. Has a role to play.

  In addition, an insulating sheet 61 is provided between the first control board 51 and the front surface of the casing 2 as shown in FIGS. 4, 9, and 11 to 12. The insulating sheet 61 extends substantially vertically along the front surface of the casing 2. More specifically, the insulating sheet 61 is connected to an end portion of the first top plate 54 on the front side of the casing 2 and covers the first control board 51 downward from the end portion, and the terminal block. It extends to approximately half of 60. The insulating sheet 61 makes it difficult for heat, current, and the like generated in the first control board 51 to be conducted to the casing 2. In addition, as a material of the insulating sheet 61, a polypropylene etc. are mentioned.

[Water path]
Here, the path | route of the dew condensation water which has fallen from the upper direction of the electrical component unit 5 which has the said structure is demonstrated using FIGS. 9-12.

  First, when a low-pressure refrigerant flows through the low-pressure pipe 42a of the four-way switching valve 42, condensation occurs around the low-pressure pipe 42a, and the dew condensation water falls on the water prevention top plate 53 of the electrical component unit 5 (FIG. 9). Arrow S1). Condensed water falling on the first top plate 54 of the water prevention top plate 53 is inclined so as to become lower as the first top plate 54 extends from the front side of the casing 2 to the water prevention member 56 side. Therefore, it flows in the first predetermined direction dr1 along the first grooves 54a to 54d on the first top plate 54. And this dew condensation water flows below from the 1st top plate 54 along the back surface of the member 56 for water prevention (arrow S2 of FIG. 9). That is, the dew condensation water flows downward from the back surface of the water preventing member main body 57a along the back surface of the protruding portion 57b. That is, the dew condensation water does not contact the terminal block 60 because it flows on the back surface of the mounting surface of the terminal block 60 in the second portion 59 of the protruding portion 57b.

  On the other hand, the dew condensation water that has fallen on the second top plate 55 of the water prevention top plate 53 (arrow S3 in FIG. 10) is dammed by the step st on the second top plate 55, and in the second control board 52. The electric component does not flow on the mounting surface and the reactor Re side (that is, the second predetermined direction dr2).

  Further, the first control board 51 and the water prevention member 56 are connected by the spacer member SP, but the spacer through holes ho1 and ho2 of the board 51 and the member 56 in a state where the spacer member SP is penetrated. Has some gaps. Then, the condensed water flowing downward along the back surface of the water preventing member 56 passes through the gap and the spacer member SP, and the surface of the water preventing member main body 57a and the surface of the first control board 51 (that is, the electrical equipment). Product mounting surface) (arrows S4 and S5 in FIG. 11). In this way, the condensed water that has inevitably flowed to the surface of the first control board 51 and the surface of the water prevention member main body 57a passes through the water discharge through holes 58a to 58b on the first portion 58 of the protrusion 57b. It flows down below the protrusion 57b without contacting the terminal block 60, or flows in the third predetermined direction dr3 along the second grooves 58c to 58e on the first portion 58 (FIGS. 11 and 12). Condensed water flowing in the third predetermined direction dr3 does not reach the wiring connection portion of the terminal block 60 due to the step between the terminal block 60 and the first portion 58 attached to the second portion 59, and the terminal block 60 11 and the second portion 59, it flows down below the protrusion 57b (arrow S6 in FIG. 11).

(1-10) Radiation fins The radiation fins 7 are for dissipating heat generated by the heat-generating components mounted on the first control board 51, and are arranged close to the heat-generating components. Yes. For example, as shown in FIG. 4, the heat dissipating fins 7 are attached on the mounting surface of the electrical component on the first control board 51. Further, when the electrical component unit 5 and the radiating fins 7 are accommodated in the casing 2, the radiating fins 7 are located near the front end and the side end of the casing 2 in the machine room Sq1, as shown in FIG. positioned. That is, the radiation fin 7 is located near the right end of the casing 2 and further above the accumulator 44 in a front view (FIG. 9).

  Next, the positional relationship between the radiation fins 7 and the outside air intake opening 22a of the casing 2 will be described. In the present embodiment, as shown in FIGS. 1 and 14, the outside air intake opening 22a is lower than the position corresponding to the radiation fin 7 in the casing 2, and further corresponds to the machine room Sq1. The casing 2 is formed near the front end and near the side end. More specifically, the outside air intake opening 22a according to the present embodiment is provided in a slit shape above the piping opening 22b and in the vicinity of the piping opening 22b. That is, the heat radiating fins 7 are located above the outside air intake opening 22 a of the casing 2.

[Route of outside air]
Next, the route of the outside air taken into the machine room Sq1 of the outdoor unit 1 having the above configuration will be described with reference to FIG.

  First, the refrigerant communication pipe passes through the piping opening 22b formed in the portion of the casing 2 corresponding to the machine room Sq1 (specifically, the right front plate 22). There is a gap between them. Outside air is taken into the casing 2 through this gap, and flows from the lower side to the upper side of the machine room Sq1, as indicated by an arrow U1 in FIG. At this time, the outside air is mixed with the air in the vicinity of the radiating fins 7 attached to the first control board 51, and is eventually sent to the blower chamber Sq2 through the vent holes 26a and 26b formed in the upper part of the partition plate 26.

  Furthermore, outside air is also taken in from the outside air taking-in opening 22a formed in the portion of the casing 2 corresponding to the machine room Sq1 (specifically, the right front plate 22). This outside air flows upward of the machine room Sq1 similarly to the arrow U1 (arrow U2 in FIG. 14). The outside air is mixed with the air in the vicinity of the heat dissipating fins 7 located above the outside air intake opening 22a, and is eventually sent to the blower chamber Sq2 through the vent holes 26a and 26b.

  That is, the heat generated by the heat generating component and dissipated by the radiation fins 7 is sent to the blower chamber Sq2 by the outside air taken in from the piping opening 22b and the outside air taking-in opening 22a. Therefore, even if it is the structure which the radiation fin 7 does not protrude to the ventilation chamber Sq2 side, it can suppress that heat is trapped inside machine room Sq1.

(2) Effect (A)
According to the electrical component unit 5 of the air conditioner according to the present embodiment, the terminal block 60 is formed on the second portion 59 such that the upper surface of the terminal block 60 is higher than the first portion 58 of the protruding portion 57b of the water preventing member 56. It is attached. That is, a step is generated between the terminal block 690 and the first portion 58. As a result, even if the water transmitted through the surface of the water prevention member 56 and the first control board 51 reaches the first portion 58, the dew condensation water is prevented by the step between the terminal block 60 and the first portion 58. Accordingly, the dew condensation water is difficult to reach the terminal block 60. Accordingly, it is possible to prevent water from coming into contact with the terminal block 60.

(B)
Further, according to the electrical component unit 5, since the first portion 58 of the protruding portion 57b extends substantially horizontally, the water preventing member main body 57a and the protruding portion 57b may be integrally formed of a relatively thin metal. The strength of the protruding portion 57b can be maintained.

(C)
Further, according to the electrical component unit 5, the water discharge through holes 58 a to 58 b are formed in the first portion 58 of the projecting portion 57 b, so that the surface of the water prevention member 56 and the first control board 51 are transmitted. Thus, the dew condensation water that has reached the first portion 58 falls downward from the water discharge through holes 58a to 58b.

(D)
Further, according to the electrical component unit 5, the second grooves 58c to 58e are formed in the first portion 58 of the protruding portion 57b. Therefore, the dew condensation water that has reached the first portion 58 along the surface of the water preventing member 56 and the first control board 51 flows along the second grooves 58 c to 58 e on the first portion 58.

(E)
In the electrical component unit 5, first and second spacer member through holes ho <b> 1 and ho <b> 2 are formed in the first control board 51 and the water prevention member 56, respectively. However, even if the spacer member SP penetrates the spacer 51 through holes ho1 and ho2 of the substrate 51 and the member 56 and connects the substrate 51 and the member 56, the spacer member through hole ho1. , Ho2 has a slight gap. Then, the water that has flowed through the back surface of the water prevention member 56 may reach the surface of the water prevention member 56 or the first control board 51 through this gap. However, in the electrical component unit 5 according to the present embodiment, a step is generated between the upper surface of the terminal block 60 and the first portion 58 of the protruding portion 57b, and further, the first portion 58 of the protruding portion 57b has a step. Water discharge through holes 58a to 58b and second grooves 58c to 58e are formed. Therefore, for example, condensed water flows along the surface of the water prevention member 56 and the first control board 51 through the gaps between the first and second spacer member through holes ho1 and ho2, and reaches the first portion 58. However, this dew condensation water is unlikely to flow to the terminal block 60 side.

(F)
Moreover, the electrical component unit 5 which concerns on this embodiment is applicable to the outdoor unit of an air conditioning apparatus.

<Other embodiments>
(A)
In the said embodiment, as FIG.4 and FIG.6 showed, the plate-shaped member 3 demonstrated having the two wiring support parts 32a and 32b. However, the number of wiring support portions is not limited to two, and for example, a number that is appropriately determined depending on the number and length of wirings to be supported may be provided.

(B)
In the above embodiment, as shown in FIG. 7A, the plate-like member main body 31 and the wiring support portions 32a and 32b are integrally formed of metal. However, the plurality of wiring support portions 32 a and 32 b need only be connected via the portion 31 b of the plate-like member main body portion 31, and may not be integrally formed with the plate-like member main body portion 31. Moreover, the wiring support parts 32a and 32b should just be formed with the material which can be elastically deformed, and a material is not limited to a metal.

(C)
In the above embodiment, it has been described that the first top plate 54 of the water prevention top plate 53 of the electrical component unit 5 is inclined so as to guide condensed water in the first predetermined direction dr1. However, the first top plate 54 may be formed with a plurality of steps, instead of being inclined, as long as the condensed water can be guided in the first predetermined direction dr1. That is, the first top plate 54 may be formed with a plurality of steps so that the water prevention member 56 side is lower than the front side of the casing 2. Thereby, the dew condensation water which has fallen on the 1st top plate 54 becomes difficult to contact the electrical equipment of the 1st control board 51 similarly to the said embodiment.

(D)
In the above embodiment, the case where the first portion 58 of the protruding portion 57b of the water preventing member 56 extends substantially horizontally has been described. However, the first portion 58 may not be horizontal as long as it extends from the lower end of the water prevention member main body 57a toward the first control board 51 (that is, the front side of the casing 2).

  FIG. 15 shows a case where the first portion 58 of the projecting portion 57b extends so that the first control board 51 side (that is, the front side of the casing) is higher than the water prevention member main body 57a side. ing. That is, the first portion 58 is inclined so that the second portion 59 side to which the terminal block 60 is attached becomes higher. That is, the end portion on the water prevention member main body 57a side of the first portion 58 is lower than the end portion on the second portion 59 side. The first portion 58 is formed with concave second grooves 58c to 58e, and water discharge through holes 158a are provided near the end portions of the second grooves 58c to 58e on the water prevention member main body 57a side. ˜158c are formed one by one.

  According to the above configuration, even if the condensed water flows on the surface of the first control board 51 and the surface of the water prevention member main body 57a through the gap of the spacer member through hole, the condensed water Due to the inclination of 58, it does not flow to the second portion 59 side but flows to the water prevention member main body 57a side (that is, in the direction of the arrow dr4). Condensed water flowing in the direction of the arrow dr4 through the second grooves 58c to 58e passes through the water discharge through holes 158a to 158c and falls below the protruding portion 57b. In this way, the dew condensation water does not flow to the second portion 59 side, so that it is difficult for the dew condensation water to reach the terminal block 60.

  FIG. 15 shows, as an example, a case where through holes 158a to 158c for water discharge are provided in the respective ends of the second groove 58c to 57e on the water prevention member main body 57a side. The positions of the through holes 158a to 158c are not limited to this. For example, the water discharge through holes 158a to 158c may be formed in the central portions of the second grooves 58c to 57e.

(E)
Next, as another example in which the first portion 58 is not substantially horizontal, the first portion 58 is lower on the first control board 51 side (that is, the front side of the casing 2) than on the water prevention member main body 57a side. The case of extending in this manner will be described with reference to FIG.

  As shown in FIG. 16, the first portion 58 of the protrusion 57b is inclined so that the second portion 59 side is lowered. That is, the end portion on the water prevention member main body 57a side of the first portion 58 is higher than the end portion on the second portion 59 side to which the terminal block 60 is attached. The first portion 58 is formed with concave second grooves 58c to 58e, and water discharge through holes 258a to 258c are formed at the end portions of the second grooves 58c to 58e on the second portion 59 side. One by one. As in the above embodiment, the terminal block 60 is attached to the second portion 59 such that the upper surface of the terminal block 60 is higher than the first portion 58.

  According to the above configuration, if condensed water flows through the surface of the first control board 51 and the surface of the water prevention member 56, the condensed water flows toward the second portion 59 (that is, the arrow dr5). Direction). However, the dew condensation water that has flowed through the second grooves 58c to 58e falls through the water discharge through holes 258a to 258c to the lower side of the protruding portion 57b. Furthermore, since there is a step between the upper surface of the terminal block 60 and the first portion 58, the dew condensation water hardly reaches the terminal block 60.

(F)
In the above embodiment, it has been described that the first portion 58 of the protruding portion 57b is formed with the concave second grooves 58c to 58e that are inclined toward the front side of the casing 2. However, the second grooves 58c to 58e may not be inclined.

  Further, the second grooves 58c to 58e may be formed in a convex shape instead of a concave shape. Thereby, even if the water preventing member 56 is formed of a relatively thin metal, the strength of the first portion 58 can be further maintained.

(G)
In the above embodiment, the case where the terminal block 60 is attached to the protruding portion 57b has been described. However, the component attached to the protrusion 57b according to the present invention is not limited to the terminal block 60 alone. In addition to the terminal block 60, an electrical component such as a reactor may be further attached to the protruding portion 57b (the terminal block 60, the reactor, and the like correspond to the second electrical component).

(H)
In the above embodiment, it has been described that the two vent holes 26a and 26b are formed on the upper portion of the partition plate 26. However, the number of the vent holes is not limited to two, and may be one or three, for example. Good.

(I)
In the above embodiment, as illustrated in FIG. 14, the outside air intake opening 22 a has been described as being formed near the front end and the side end of the portion of the casing 2 corresponding to the machine room Sq1. However, the position of the outside air intake opening is not limited to this. That is, the opening for taking in outside air may not be near the front end and the side end of the casing 2 as long as it is provided below the position corresponding to the radiation fin 7 in the front view of the casing 2.

  The electrical component unit according to the present invention has an effect that water can be prevented from contacting the terminal block, and can be applied as an electrical component unit mounted on an outdoor unit of an air conditioner.

The external appearance perspective view of the outdoor unit of the air conditioning apparatus which concerns on this embodiment. The disassembled perspective view of the outdoor unit of the air conditioning apparatus which concerns on this embodiment. The perspective view of an outdoor unit in the state from which the right front board, right side board, back grille, and top plate of the casing were removed. The figure which shows a part of partition plate, the electrical component unit attached to the part of this partition plate, and a plate-shaped member. The figure which shows the plate-shaped member main body and wiring support part in the left front board of a casing, a partition plate, and a plate-shaped member at the time of seeing the VV cross section of the outdoor unit 1 of FIG. The peripheral view of the electrical component unit which shows the state by which the power supply wiring was supported by the wiring support part of a plate-shaped member. The figure for demonstrating the plate-shaped member in which the plate-shaped member main body and the wiring support part were integrally formed. The top view of the plate-shaped member formed by bending dotted line part A1-A4 of Fig.7 (a). The figure at the time of seeing the part of a machine room from the top in the outdoor unit of FIG. The figure at the time of seeing the machine room in the outdoor unit of FIG. 3 from the right side surface (arrow Z of FIG. 3). The figure of enclosure part W1 vicinity at the time of seeing the inside of the machine room except the casing from the outdoor unit of FIG. 8 from the back side (arrow V of FIG. 8). FIG. 10 is an enlarged view of the vicinity of the terminal block in FIG. 9 (enclosure W2 in FIG. 9). FIG. 12 is a perspective view of the vicinity of the terminal block in FIG. 11. FIG. 4 is a diagram when the vicinity of the protruding portion of the water prevention member is viewed from the Z direction of the outdoor unit in FIG. 3, for explaining that the second groove is inclined at a second predetermined angle. The figure for demonstrating the path | route of external air with the position of a radiation fin and the opening for external air taking-in. The figure which shows the protrusion part vicinity which concerns on other embodiment (d). The figure which shows the protrusion part vicinity which concerns on other embodiment (e).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outdoor unit 2 Casing 20 Bottom plate 21 Left front side plate 21a, 21b Fan grill 22 Right front plate 22a Open air intake opening 22b Piping opening 23 Right side plate 24 Rear grille 25 Top plate 26 Partition plates 26a, 26b Vent 26c Electrical component unit opening 26d Wiring opening 3 Plate member 31 Plate member body portions 32a, 32b Wire support portion 41 Outdoor heat exchanger 42 Four-way switching valve 42a Low pressure piping 42b Discharge piping 42c Heat insulating material 43 Compressor 44 Accumulator 45 IH heater unit 46a, 46b Blower fan 5 Electrical component unit 51 First control board (first plate-like member)
52 2nd control board 52a, 52b Terminal connector 53 Water prevention top plate 54 1st top plates 54a-54d 1st groove | channel 55 2nd top plate 55a Opening 56 Water prevention member (2nd plate-shaped member)
57a Water prevention member main body 57b Protruding part (supporting part)
58 1st part 58a-58b Through-hole for water discharge (1st through-hole)
58c to 58e Second groove (groove)
59 Second part 60 Terminal block (terminal part)
61 Insulating sheet 7 Radiating fins ho1, ho2 First and second spacer through holes (second through holes)
SP spacer member Sq1 Machine room Sq2 Blower room Re Reactors S1 to S6 Water paths U1, U2 Path of outside air

Claims (7)

The first electrical component is mounted on one side, the first plate member (51) extending in a substantially vertical direction,
Of the first plate member (51), a second plate member (56) disposed on the back side of the mounting surface of the first electrical component and extending in a substantially vertical direction along the first plate member (51). When,
With
The second plate-like member (56) includes a first portion (58) projecting toward the first plate-like member (51) at a lower portion thereof and below the first plate-like member (51), and the first plate-like member (56). A second portion (59) extending downward from the tip portion of the portion (58) and having a support portion (57b) for supporting the second electrical component including the terminal portion (60) to which the wiring is connected. And
Of the second portion (59) of the support portion (57b), the second electrical component is attached to the same side of the first plate-like member (51) as the mounting surface of the first electrical component. And
The second electrical component is attached to the second part (59) such that the upper surface thereof is higher than the first part (58) of the support part (57b).
Air conditioner electrical component unit (5). The first portion (58) extends substantially horizontally toward the first plate-like member (51).
The electrical component unit (5) of the air conditioning apparatus according to claim 1. The first part (58) is inclined so that the second part (59) side is higher,
The electrical component unit (5) of the air conditioning apparatus according to claim 1. First through holes (58a to 58b) are formed in the first portion (58).
The electrical component unit (5) of the air conditioning apparatus according to any one of claims 1 to 3. Grooves (58c to 58e) are formed in the first portion (58) for guiding the water transmitted through the second plate member (56) in a predetermined direction.
The electrical component unit (5) of the air conditioning apparatus according to any one of claims 1 to 4. Each of the first plate member (51) and the second plate member (56) is a spacer member (SP) that connects the first plate member (51) and the second plate member (56). Having a second through hole (ho1, ho2) for penetrating;
The electrical component unit (5) of the air conditioning apparatus according to any one of claims 1 to 5. A casing (2) having a substantially rectangular parallelepiped shape;
A partition plate (26) extending substantially vertically so as to divide the inside of the casing (2) into a blower chamber (Sq2) and a machine chamber (Sq1);
The electrical component unit (5) of the air conditioner according to any one of claims 1 to 6, disposed in the machine room (Sq1),
An air conditioner outdoor unit (1).

Images