JP6203112B2 - Air conditioner outdoor unit - Google Patents

Description

  The present invention relates to an outdoor unit of an air conditioner, and more particularly to an outdoor unit including an air intake unit that takes air into a machine room in which a compressor and the like are stored.

  As a conventional outdoor unit, there is one provided with an air inlet for taking outside air into the machine room on the front panel of the outdoor unit (for example, see Patent Document 1).

Japanese Utility Model Publication No. 63-010421 (2nd page, FIG. 1)

  In the outdoor unit of the air conditioner described above, the air intake side of the blower is the front panel, and the air inlet is provided on the front panel, so rainwater or the like enters the outdoor unit when it rains. There is a risk of serious influence on products such as corrosion of structural parts and short circuit of electrical parts installed inside. Moreover, since the number of parts constituting the outdoor unit is increased by newly providing a waterproofing device for the purpose of preventing intrusion of rainwater or the like, there is a problem that the structure is complicated and the assembly work is complicated. Furthermore, since the outside air inlet is provided in the front panel, it has become one factor that deteriorates the design of the outdoor unit.

The present invention has been made to solve the above-described problems, and a first object is to provide an outdoor unit for an air conditioner that can suppress the intrusion of rainwater or the like without newly providing parts such as waterproofing equipment. Is what you get.
The second object is to obtain an outdoor unit of an air conditioner that suppresses the intrusion of rainwater and the like and does not deteriorate the design.

The outdoor unit of the air conditioner according to the present invention is housed in a housing, a partition plate that partitions the housing into a blower chamber and a machine room, a blower and a heat exchanger housed in the blower chamber, and the machine room. at least the compressor and the expansion valve, provided astride the partition plate, a blower, the compressor and an outdoor unit of an air conditioner and an electric component module unit for controlling the expansion valve, the machine chamber side of the housing A surface formed by recessing the rear side of the side panel on the machine room side is covered with a vertically long bent panel formed by bending one end of the rear panel of the housing to form a first air introduction port. A surface facing the back panel formed by denting the rear part is opened, and an air intake part that constitutes a second air introduction port is provided with the bent panel.

According to the present invention, the surface formed to be recessed in the machine room side at the rear part of the side panel on the machine room side of the casing is covered with the vertically bent panel formed by bending one end of the rear panel of the casing. The first air introduction port is further provided, and a surface facing the back panel formed by denting the rear portion of the side panel is opened, and an air intake portion constituting the second air introduction port is provided with the bent panel. . By this air intake portion, it is possible to suppress the intrusion of rainwater or the like into the outdoor unit without adding parts intended to prevent intrusion of rainwater or the like.

The external appearance perspective view which shows the outdoor unit of the air conditioner which concerns on embodiment from the front diagonal. The external appearance perspective view which shows the outdoor unit of FIG. 1 seeing from back diagonally. The right view of the outdoor unit of FIG. The side view of the state which removed the right 1st side panel shown to the outdoor unit of FIG. The side view which expands and shows the air intake part and bending panel of FIG. The cross-sectional view which shows the air intake part of FIG. 5 seeing from arrow AA direction. FIG. 7 is a partial perspective view of the right second side panel shown with the rear panel of FIGS. 5 and 6 removed.

  Embodiments of an outdoor unit for an air conditioner according to the present invention will be described below in detail with reference to the drawings. In addition, this invention is not limited by this embodiment.

  FIG. 1 is an external perspective view showing an outdoor unit of an air conditioner according to an embodiment when viewed from an oblique front, FIG. 2 is an external perspective view showing the outdoor unit of FIG. 1 when viewed obliquely from the rear, and FIG. It is a right view of an outdoor unit.

  The outdoor unit 100 of the air conditioner is, for example, a multi-type outdoor unit. This outdoor unit 100 includes a rectangular parallelepiped housing 1 having a machine room and a fan room divided into two by a partition plate 1a inside, devices such as a compressor, a four-way valve, and an expansion valve arranged in the machine room, Air blower and heat exchanger 10 disposed in the blower chamber, electrical module module 11 installed on the partition plate 1a and straddling the machine chamber and blower chamber, and piping connection for connecting to a plurality of indoor units It consists of parts. The heat exchanger 10 is installed on the suction side of the blower. The electrical module unit 11 includes devices such as a compressor, a four-way valve, and an expansion valve, a control board that controls the blower, and a board case that covers the control board. On each surface of the substrate case on the machine chamber side and the blower chamber side, vent holes for allowing air to pass are provided inside the substrate case.

  The casing 1 includes a front panel 2 provided with a circular outlet 7, a rear panel 3 that is installed facing the front panel 2 and covers the back of the machine room, and the casing 1. A left side panel 4 provided on the side surface on the blower room side as viewed from the front, a right side panel 5 provided on the side surface on the machine room side, and a top panel that covers an upper opening formed by the panels 2 to 5 6 and a bottom panel 8 on which a compressor and a heat exchanger 10 are installed. The surface of the housing 1 excluding the back panel 3 is a quadrangular opening 9.

  A fan guard 7 a that covers the air outlet 7 and protects the propeller fan of the blower is attached to the front panel 2 described above. The right side panel 5 includes a right first side panel 5a that is shorter in depth than the left side panel 4, and a right second side panel 5b described later. The back panel 3 has a vertically long bent panel 3a that is bent at a right angle so that the left end overlaps the right second side panel 5b when the housing 1 is viewed from the rear.

  The right second side panel 5b is installed closer to the machine room than the right first side panel 5a, one end is bent toward the back panel 3 and provided on the inner surface of the back panel 3, and the other end is the right first. It faces the side panel 5a. A vertically long space 13 is formed between the right second side panel 5b and the right first side panel 5a. Further, the right second side panel 5b is provided with an air intake portion 12 described later.

Next, the structure of the air intake part 12 provided in the right 2nd side panel 5b and the right 2nd side panel 5b is demonstrated using FIGS. 4-7.
4 is a side view of the outdoor unit shown in FIG. 1 with the right first side panel removed, FIG. 5 is an enlarged side view of the air intake portion and the bent panel of FIG. 4, and FIG. 6 is the air of FIG. FIG. 7 is a partial perspective view of the right second side panel shown with the rear panel of FIGS. 5 and 6 removed, with the intake portion viewed from the direction of arrow AA.

  As shown in FIG. 6, the right second side panel 5 b has an L shape in which one end is fitted to a corner formed by the bent panel 3 a, and the other end is right through the space 13. It is installed facing the first side panel 5a (see FIG. 2). A connection portion support panel 5c is attached to the space 13 between the right first side panel 5a and the right second side panel 5b so as to close the space 13. This connection part support panel 5c has the same width as the width dimension of the space part 13 described above, and as shown in FIG. 4, for example, a pipe connection part 14 to which refrigerant pipes connecting the three indoor units are connected. Are provided in the vertical direction.

  Moreover, as shown in FIG.2 and FIG.3, the above-mentioned air intake part 12 is provided in the right 2nd side surface panel 5b in the vertical direction, for example, four. As shown in FIG. 6, the air intake portion 12 is formed by covering the rear surface of the second right side panel 5 b with the folding panel 3 a of the rear panel 3 with the surface formed to be recessed toward the machine room. The first air inlet 12a is formed, and a surface facing the rear panel 3 formed by denting the rear portion of the right second side panel 5b is opened, and the second air inlet 12b is formed by the bent panel 3a. Has been.

  In the outdoor unit 100 of the air conditioner configured as described above, when the blower is driven, external air is sucked from the opening 9 on the back surface of the housing 1 and passes through the heat exchanger 10, It blows out from the blower outlet 7 through. The heat exchanger 10 exchanges heat with air sucked as an evaporator during heating operation, and exchanges heat with air as a condenser during cooling operation.

  While the blower is being driven, the air in the machine room is attracted via the electrical module unit 11 by the air sent to the outlet 7 by the blower. By this air attracting action, the air around the right side panel 5 of the outdoor unit 100 is taken into the first air introduction port 12a of the air intake unit 12, and further led into the machine room from the second air introduction port 12b and back. It hits. Then, the air guided into the machine room rises and is drawn into the blower room through the electrical module unit 11. In addition, in rainy weather, rainwater droplets may scatter and be taken into the first air inlet 12a together with the air, but the waterdrop hits the inner wall facing the first air inlet 12a and directly into the machine room. Will not be led to.

  As described above, since the air taken into the machine room from the air intake part 12 is directed toward the back of the machine room, even if rainwater or the like enters through the first and second air inlets 12a and 12b, There is no influence on the electrical module unit 11 provided in the machine 100. Thus, since the air taken into the machine room from the air intake part 12 goes to the back of the machine room, measures against the intrusion of rainwater and the like were taken without newly providing parts such as a preventer for suppressing the ingress of rainwater. The outdoor unit 100 of an air conditioner having a structure can be provided.

  Further, the refrigerant pipe connected to the pipe connection part 14 in front of the air intake part 12 makes the air intake part 12 blinded by the refrigerant pipe, so that the influence of the air intake part 12 on the design is reduced. The design of the outdoor unit 100 itself is not impaired.

  DESCRIPTION OF SYMBOLS 1 Case, 1a Partition plate, 2 Front panel, 3 Back panel, 3a Bending panel, 4 Left side panel, 5 Right side panel, 5a Right 1st side panel, 5b Right 2nd side panel, 5c Connection part support panel, 6 Top panel, 7 Air outlet, 7a Fan guard, 8 Bottom panel, 9 Opening, 10 Heat exchanger, 11 Electrical module unit, 12 Air intake, 12a First air inlet, 12b Second air inlet , 13 space part, 14 pipe connection part, 100 outdoor unit.

Claims (4)

A housing,
A partition plate that partitions the housing into a fan chamber and a machine chamber;
A blower and a heat exchanger housed in the blower chamber;
At least a compressor and an expansion valve housed in the machine room;
In an outdoor unit of an air conditioner that is provided across the partition plate and has an electrical component module unit that controls the blower, the compressor, and the expansion valve,
The covering by the said the plane formed recessed in the machine room side to the rear side panel of the machine chamber side of the housing, bending the elongated formed by bending one end portion of the rear panel of the casing panels 1 air introduction port, and further provided with an air intake portion that forms a second air introduction port with the bent panel by opening a surface facing the back panel formed by denting the rear portion of the side panel. An air conditioner outdoor unit characterized by the above. The side panel is disposed closer to the machine room than the first side panel, the first side panel being shorter in depth than the side panel on the blower chamber side, and one end portion is bent toward the back panel side. Is provided on the inner surface of the rear panel, and the other end portion is composed of a second side panel facing the first side panel,
The outdoor unit for an air conditioner according to claim 1, wherein the air intake section includes the second side panel and the bent panel.   A connecting portion supporting panel provided with a pipe connecting portion provided so as to close a space between the first side panel and the second side panel and connected to a refrigerant pipe connected to the indoor unit; The outdoor unit for an air conditioner according to claim 2.   The outdoor unit of an air conditioner according to claim 2 or 3, wherein a plurality of the air intake portions are provided in a longitudinal direction of the second side panel.

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