JP2005172376A - Outdoor machine for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor machine for an air conditioner having an electric component box of a structure having high material yield, not spending much cost for treating discard, having high working efficiency in manufacturing components and wiring, and not needing a long lead wire. <P>SOLUTION: This outdoor machine 2 for the air conditioner mounting an inverter, comprises an outdoor machine main body accommodating a compressor, a heat exchanger and a blower 5 mounted oppositely to the heat exchanger. The electric component box 1 comprises a frame-shaped support 7 accommodating a control board loading the electric components such as a connecting terminal of the lead wire and an electrolytic capacitor on its lower face side, a top plate 8 mounted on an upper face of the support and covering an upper face of the control board, and a sheet metal component box main body mounted on a lower face of the support, and forming a bottom plate having a trapezoidal or triangular bottom face covering the lower face of the control board in a state of forming an opening part on a part of a lower face of the board. The connecting terminal of the lead wire 9c mounted on the control board is placed in opposition to the opening part 11, the electrolytic condenser 9b is placed in opposition to the bottom plate of the component box main body, and the opening part is formed on an outer peripheral face side of the outdoor machine main body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an outdoor unit of an air conditioner, and more particularly to an outdoor unit of an air conditioner having an improved structure of an electrical component box that houses a control board loaded with electrical components.

  The outdoor unit of a general split type air conditioner accommodates a compressor, a heat exchanger, a blower arranged opposite to the heat exchanger, etc. in the main body, and drives and controls the compressor, the blower, etc. An electric component box in which a control board for the electric control component is stored. Furthermore, the electric component box of the conventional outdoor unit has a rectangular parallelepiped shape, and a through hole is formed in the bottom surface or side surface thereof, and the electric component and the terminal in the electric component box are connected via a lead wire passing through the through hole. And the motor and the compressor which were accommodated in the unit main body outside the electric component box were connected (patent document 1).

However, since the electrical component box described in Patent Document 1 needs to be provided with through-holes, mill ends are generated at the time of processing, the material yield is poor, and the costs for processing the scraps are high. In addition, the lead wire must be passed through the through-hole during assembly work, resulting in poor work efficiency. When a cutout or through-hole is provided on the side surface, the lead wire must be bypassed to the side surface. The cost was up. In addition, since the electrolytic capacitor is not located opposite to the bottom plate, if an electrolytic capacitor having a large amount of electrolyte generating a large amount of heat is ignited, there is a risk of the fire type falling downward, which requires countermeasures. .
Japanese Patent Laid-Open No. 9-60928 (paragraph [0036], FIG. 1 and FIG. 4)

  The present invention has been made in consideration of the above-mentioned circumstances, has a good material yield, does not incur costs for processing offcuts, etc., has good manufacturing efficiency of parts and wiring, and requires a long lead wire. It is an object of the present invention to provide an outdoor unit for an air conditioner having an electric component box with a structure that does not.

  In order to achieve the above object, according to one aspect of the present invention, a compressor, a heat exchanger, and an outdoor unit main body that houses a blower arranged to face the heat exchanger are installed. In the outdoor unit of an air conditioner having an electrical component box that houses electrical control components for driving and controlling the compressor, the blower, etc., the electrical component box has a lead wire connection terminal, an electrolytic capacitor, etc. on the lower surface side. A frame-shaped support body in which a control board loaded with electrical components is housed, a top plate mounted on the upper surface of the support body and covering the upper surface of the control board, and a part of the lower surface of the board mounted on the lower surface of the support body A bottom plate that covers the lower surface of the control board so that an opening is formed in the sheet metal part box body that forms a trapezoidal or triangular bottom plate, and the connection terminal of the lead wire attached to the control board is , Located opposite the opening, Solution capacitors, while located opposite the bottom plate of the component box body, wherein the opening is an air conditioner outdoor unit, characterized in that positioned on the outer peripheral surface side of the outdoor unit main body is provided.

  According to the outdoor unit of the air conditioner according to the present invention, the material yield is good, the cost of processing the scrap is not expensive, the manufacturing efficiency of parts and wiring is good, and the lead wire is long. It is possible to provide an outdoor unit for an air conditioner having an electric component box with a structure that does not.

  Hereinafter, an embodiment of an outdoor unit of an air conditioner according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a perspective view in which a part of a main body of an outdoor unit of an air conditioner according to the present invention is cut away, and FIG. 2 is an enlarged perspective view showing the vicinity of an electric component box in FIG.

  As shown in FIG. 1, an outdoor unit of an air conditioner equipped with an electric component box 1 according to the present invention has a compressor 3, a heat exchanger 4, and the heat exchanger 4 in the outdoor unit body 2. The electric component box 1 accommodates a control board 6 loaded with electric control components for driving and controlling the compressor 3, the blower 5, and the like.

  As shown in FIGS. 3, 4, and 5, the electrical component box 1 includes a frame-like support body 7 in which the control board 6 is housed inside at a central portion. The support 7 is formed by resin molding, and a locking piece for attaching to the outdoor unit main body 2 is integrally formed on the outer surface, and the control board 6 is locked and fixed at a predetermined position on the inner surface. The locking claw is formed. Further, a top plate 8 made of a lid-like sheet metal having an open bottom surface is fitted on and attached to the upper surface side of the support 7 so as to hermetically cover the upper surface of the control board.

An electrical component 9 for driving and controlling a compressor, a blower and the like is mounted on the control board 6 mounted on the support 7. That is, the control board 6 is mounted with a GTR 9a or the like having a large amount of heat generation on one side portion in the longitudinal direction and provided with heat radiation fins 9a ₁ and the like, and an electrolytic capacitor 9b on the lower surface side of the control board 6. attached are, furthermore, on the lower surface side of the control board 6 has connection terminals such as connectors 9c ₁ or Faston terminal leads 9c (not shown) is attached.

  A component box body 10 that covers the lower surface of the control board 6 is installed on the lower surface of the support 7.

  The component box main body 10 is made of sheet metal and has a U-shaped cross section having a bottom surface portion 10a and two side surface portions 10b and 10c opposed to the bottom surface portion. The shape of the bottom surface 10a is, for example, trapezoidal or triangular. I am doing.

  When the lower surface of the control board 6 is covered with the component box main body 10, the lower portion thereof has a portion covered with the bottom surface portion 10a and an opening portion 11 not covered with the bottom plate 10a.

By making the shape of the bottom plate 10a of the component box main body 10 into the above configuration, the capacitor 9b loaded on the control board 6 can form a trapezoidal bottom plate 10a when the electric component box 1 is attached to the outdoor unit main body 2. In addition, a connector 9c ₁ or a connection terminal such as a Faston terminal is located opposite to the opening 11.

As shown in FIGS. 2 and 4, the opening 11 facing the connection terminal such as the connector 9 c ₁ or the Faston terminal is located on the outer peripheral surface side, for example, the side surface 2 a of the outdoor unit body 2, that is, the opening 11 is on the near side. The bottom plate 10a is on the back side.

  Further, as shown in FIG. 6, the method for manufacturing the component box body 10 is performed by press molding, and a rectangular iron plate is prepared, and using a press die in which two punching dies are formed point-symmetrically, The two parts box main bodies 10 are punched out at a time, and are bent into a U-shaped cross section to form the parts box main body 10.

  As described above, the outdoor unit of the air conditioner according to the present embodiment has the bottom surface of the component box main body formed of a trapezoidal or triangular bottom plate, so that the end material for forming the opening is another component. It can be used as a component, and it is easy to manufacture parts, and it is possible to punch two component box bodies at a time in a point-symmetric manner, so that material loss can be suppressed and an opening is used. Thus, the bypass of the lead wire can be eliminated and the lead wire is not required long. In addition, since the connection terminal such as the lead wire connector or the faston terminal is located opposite to the opening, the wiring can be directly connected, and furthermore, since the electrolytic capacitor is located opposite to the bottom plate, the heat generation amount Even if an electrolytic capacitor having a large amount of electrolyte is ignited, the bottom plate receives this and prevents the fire type from falling downward, thereby preventing the spread of fire. Further, since the opening is located on the peripheral surface side of the outdoor unit main body, wiring connection to the control board can be easily performed after the inverter unit set is installed.

The perspective view which notches and shows a part of main body of the outdoor unit of the air conditioner which concerns on this invention. The perspective view which expands and shows the electrical component box vicinity of the outdoor unit of the air conditioner which concerns on this invention. The perspective view of the electrical component box of the outdoor unit of the air conditioner which concerns on this invention. The top view of the electrical component box of the outdoor unit of the air conditioner which concerns on this invention. The exploded view of the electrical component box of the outdoor unit of the air conditioner which concerns on this invention. The top view at the time of the manufacturing process of the baseplate of the electrical component box of the outdoor unit of the air conditioner which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Electric component box, 2 ... Outdoor unit main body, 3 ... Compressor, 4 ... Heat exchanger, 5 ... Blower, 6 ... Control board, 7 ... Support body, 8 ... Top plate, 9 ... Electric component, 9a ₁ ... radiation fins, 9b ... electrolytic capacitor, 9c ... leads, 9c 1 _... connector, 10 ... parts box body, 10a ... bottom portion, 10b, 10c ... side portion, 11 ... opening.

Claims (1)

Installed in an outdoor unit body that houses a compressor, a heat exchanger, and a blower arranged to face the heat exchanger, and houses electrical control components for driving and controlling the compressor, the blower, etc. In an outdoor unit of an air conditioner equipped with an electrical component box, the electrical component box is a frame-shaped housing in which a control board loaded with electrical components such as lead wire connection terminals and electrolytic capacitors is housed on the lower surface side. A support, a top plate mounted on the upper surface of the support and covering the upper surface of the control board, and a bottom surface mounted on the lower surface of the support and covering the lower surface of the control board so that an opening is formed in a part of the lower surface of the substrate. A metal plate component box main body forming a trapezoidal or triangular base plate, a lead wire connecting terminal attached to the control board is located facing the opening, and an electrolytic capacitor is the component Located facing the bottom plate of the box body Rutotomoni the opening, the outdoor unit of an air conditioner, characterized in that positioned on the outer peripheral surface side of the outdoor unit main body.

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