WO2019003338A1 - Outdoor unit of air conditioner - Google Patents

Abstract

This outdoor unit of an air conditioner is provided with a case that is formed by assembling together a plurality of panels, and that forms the external form of the body of the outdoor unit. The case has, as some of the plurality of panels, a front surface-side corner panel with an L-shaped cross-section that is disposed at a corner of the front surface side, and a rear surface-side corner panel with an L-shaped cross-section that has the same shape as the front surface-side corner panel and that is disposed at a corner of the rear surface side. The front surface-side corner panel or the rear surface-side panel is provided with a through-hole formation section for forming a through-hole to connect the inside and outside of the case. The front surface-side corner panel and the rear surface-side corner panel are configured to be interchangeable.

Description

Outdoor unit of air conditioner

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

Conventionally, as disclosed in, for example, Patent Document 1, an outdoor unit of an air conditioner has a plurality of through-hole forming portions for forming through holes communicating the inside and the outside in a casing forming an outer shell. It is provided in the place. The through hole is formed to insert an extension pipe or an electrical wiring or the like. The through hole forming portion is formed in a notch shape imitating the through hole, and is devised so that it can be easily cut out when the outdoor unit is installed. Since the outdoor unit differs in the place where the extension piping or the electrical wiring is inserted depending on the place to be installed, one through hole forming portion selected according to the place to be installed is cut off to form the through hole.

Japanese Patent Application Laid-Open No. 2002-310459

As disclosed in Patent Document 1, the through hole forming portion is provided at a plurality of places of the housing in order to correspond to the place to be installed. However, only one through hole for inserting the extension piping or the electrical wiring or the like is required. Therefore, the through-hole formation part which is not functionally required is left as it is. As a result, when the housing is formed by combining a plurality of panels made of sheet metal, corrosion such as rusting may occur from the notched portion to be deteriorated, and the strength of the sheet metal may be reduced.

The present invention has been made to solve the above-described problems, and can prevent deterioration of the panel due to providing a plurality of through hole forming portions, and a place to be installed even if there is only one through hole forming portion. Accordingly, it is an object of the present invention to provide an outdoor unit of an air conditioner that can form through holes for inserting extension piping, electrical wiring, and the like from multiple directions according to the above.

An outdoor unit of an air conditioner according to the present invention is an outdoor unit of an air conditioner including a case formed by combining a plurality of panels and forming an outer shell of a main body, wherein the case is a plurality of cases. As a part of the panel, the cross-sectional shape disposed in the front corner is the same as the L-shaped front corner panel and the front corner panel, and the cross section disposed in the rear corner A through hole for forming a through hole for communicating the inside and the outside of the casing in one of the front side corner panel and the rear side corner panel, the rear side corner panel having an L shape. A hole forming portion is provided, and the front side corner panel and the rear side corner panel can be used interchangeably.

In the outdoor unit according to the present invention, the front side corner panel and the rear side corner panel have the same shape, and one of the front side corner panel and the rear side corner panel has the inside and the outside of the casing. A through hole forming portion for forming a through hole to be communicated is provided, and they are configured to be replaced with each other depending on the installation place. Therefore, it is not necessary to provide a through-hole formation part which does not require functionally in an outdoor unit in this air conditioner, and corrosion of a panel by providing a plurality of through-hole formation parts can be prevented. In addition, through holes can be formed for inserting extension piping, electrical wiring, and the like from multiple directions according to the place to be installed.

It is the perspective view which showed typically the front side of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view which showed typically the back side of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view which showed typically the front side corner panel of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view which showed typically the usage example of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view which showed typically the usage example of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view which showed typically the usage example of the outdoor unit of the air conditioner concerning embodiment of this invention. It is sectional drawing of the front side corner panel which showed typically an example of the through-hole formation part of the outdoor unit of the air conditioner concerning embodiment of this invention. It is sectional drawing of the front side corner panel which showed typically an example of the through-hole formation part of the outdoor unit of the air conditioner concerning embodiment of this invention. It is sectional drawing of the front side corner panel which showed typically an example of the through-hole formation part of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the front view of the front side corner panel which showed typically an example of the through-hole formation part of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention. It is the perspective view of the front side corner panel which showed typically an example of the through-hole of the outdoor unit of the air conditioner concerning embodiment of this invention.

Embodiment.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts will be denoted by the same reference numerals, and the description thereof will be appropriately omitted or simplified. Further, the configuration, size, arrangement and the like of the configuration described in each drawing can be appropriately changed within the scope of the present invention.

FIG. 1 is a perspective view schematically showing the front side of the outdoor unit of the air conditioner according to the embodiment of the present invention. FIG. 2 is a perspective view schematically showing the back side of the outdoor unit of the air conditioner according to the embodiment of the present invention. FIG. 3 is a perspective view schematically showing a front side corner panel of the outdoor unit of the air conditioner according to the embodiment of the present invention.

As shown in FIGS. 1 and 2, the outdoor unit 100 of the air conditioner according to the present embodiment includes a housing 10 formed in a rectangular shape by combining a plurality of panels. The housing 10 forms an outer shell of the outdoor unit 100 of the air conditioner.

Although not shown in detail, as an example, a compressor that compresses the refrigerant, a four-way valve that switches the flow of the refrigerant, and an evaporator during the heating operation are provided inside the housing 10 during the cooling operation. The outdoor heat exchanger 18 that functions as a condenser (dissipator), a flow control device (depressurizer) that reduces the pressure of the refrigerant, and an outdoor blower motor and an outdoor fan that send wind to the outdoor heat exchanger 18 are accommodated. It is done.

A plurality of panels constituting the housing 10 are a front left panel 1, a front right panel 2, a left panel 3, a back panel 4, a top panel 5, and a bottom panel (not shown). In FIG. 1 and FIG. 2, the borderline of the adjacent panel is shown by a broken line. Each panel which comprises the housing | casing 10 is comprised, for example with the metal board | plate material.

As shown in FIG. 1, the front left panel 1 has a flat plate shape and constitutes a part of the front surface of the housing 10. A substantially circular opening is formed in the upper and lower portions of the front left panel 1 as a blowout port 6. Although not shown in the drawings, a grid-like fan guard covering the air outlet 6 is attached to the front left side panel 1.

As shown in FIGS. 1 and 2, the front right side panel 2 has a substantially L-shaped cross-sectional shape, and constitutes a part of the front face portion and a part of the right side face portion of the housing 10. Below the front right side panel 2, as a part of the front right side panel 2, a front side corner panel 7 having a substantially L-shaped cross section is detachably provided. As shown in FIGS. 1 and 3, in the front side corner panel 7, the L-shaped one wall portion 70 and the other wall portion 71 have the same shape. A through hole forming portion 9 for forming a through hole for communicating the inside and the outside of the housing 10 is provided in one wall portion 70 of the front side corner panel 7.

When installing the outdoor unit 100, the through hole forming portion 9 is cut away to form the through hole 11 into which an extension pipe or an electrical wiring or the like is inserted. In the embodiment shown in FIGS. 1 and 3, the through hole forming portion 9 for forming the two circular through holes 11A juxtaposed left and right and the through hole formation for forming the horseshoe shaped through hole 11B. The structure which provided the part 9 is shown. In the outdoor unit 100 of the air conditioner having the through hole forming portion 9, since the through holes 11A and 11B can be selectively used for each pipe having different sizes and shapes, it is excellent in usability.

As shown in FIG. 2, the left side panel 3 has a flat plate shape, and constitutes the left side portion of the housing 10.

As shown in FIGS. 1 and 2, the back panel 4 has a substantially L-shaped cross section, and constitutes a part of the back surface and a part of the right side surface of the housing 10. That is, the right side portion of the housing 10 is configured by the front right side panel 2 and the back side panel 4. Below the rear surface panel 4, a rear surface side corner panel 8 having a substantially L-shaped cross-sectional shape is detachably provided as a part of the rear surface panel 4. The back side corner panel 8 has the same shape as the front side corner panel 7. That is, in the back side corner panel 8, similarly to the front side corner panel 7, the L-shaped one wall 80 and the other wall 81 have the same shape.

The top panel 5 constitutes the top of the housing 10 as shown in FIGS. 1 and 2. When the top panel 5 is assembled, the upper end portions of the front left panel 1, the front right panel 2, the left panel 3 and the rear panel 4 are covered.

Next, a usage example of the outdoor unit 100 of the air conditioner according to the present embodiment will be described based on FIG. 1 and FIG. 4 to FIG. 4 to 6 are perspective views schematically showing usage examples of the outdoor unit of the air conditioner according to the embodiment of the present invention. The outdoor unit 100 of an air conditioner differs in the location which inserts extension piping, an electrical wiring, etc. by the installation place. When it is necessary to insert extension piping or electrical wiring from the front side of the housing 10, as shown in FIG. 1, the front side corner panel 7 is fronted so that the through hole forming portion 9 is positioned on the front side. Attach it below the right side panel 2.

If it is necessary to insert an extension pipe or an electrical wiring from the right side portion on the front side of the housing 10, remove the front side corner panel 7 in the state shown in FIG. 1 from the housing 10, as shown in FIG. The front side corner panel 7 is inverted and attached to the lower side of the front right side panel 2.

When it is necessary to insert an extension pipe or an electrical wiring from the right side portion on the back side of the housing 10, the front side corner panel 7 and the rear side corner panel 8 in the state shown in FIGS. After rotating the front side corner panel 7 by 90 degrees in the horizontal direction, as shown in FIG. Attach.

When it is necessary to insert extension piping or electrical wiring from the back side of the housing 10, the front side corner panel 7 and the rear side corner panel 8 in the state shown in FIGS. 1 and 2 are removed from the housing 10. As shown in FIG. 6, after the front side corner panel 7 is turned over, the front side corner panel 7 and the rear side corner panel 8 are mutually replaced and attached to the housing 10 respectively.

Next, the configuration of the through hole forming portion 9 will be described based on FIG. 7 to FIG. 7 to 9 are cross-sectional views of the front side corner panel schematically showing an example of the through hole forming portion of the outdoor unit of the air conditioner according to the embodiment of the present invention. FIG. 10: is a front view of the front side corner panel which showed typically an example of the through-hole formation part of the outdoor unit of the air conditioner concerning embodiment of this invention.

The through hole forming portion 9 shown in FIG. 7 is formed by a step portion 90 recessed to the inside of the housing 10. The thickness of the joint portion 91 between the outer peripheral edge of the through hole forming portion 9 and the portion to be the opening edge of the through hole 11 is thinner than the thickness of the front side corner panel 7. Therefore, the through hole forming portion 9 can be easily cut out along the thin joint portion 91 using a cutting tool such as a nipper. Thus, the operation of forming the through hole 11 by removing the through hole forming portion 9 is facilitated, and the workability of the installation operation of the outdoor unit 100 can be improved.

The through hole forming portion 9 shown in FIG. 8 is also formed by the step portion 92 recessed to the inside of the housing 10. The thickness of the joint portion 93 between the outer peripheral edge of the through hole forming portion 9 and the portion to be the opening edge of the through hole 11 is substantially the same as the thickness of the front side corner panel 7. By securing the thickness of the bonding portion 93 to some extent, the strength of the panel can be enhanced. Therefore, the outdoor unit 100 provided with the through hole forming portion 9 can suppress a reduction in strength due to corrosion even if it is stored, for example, in a warehouse for a long time.

The through hole forming portion 9 shown in FIG. 9 is formed by a notch groove 94 imitating the through hole 11. The through hole forming portion 9 can be easily cut along the notch groove 94 using a cutting tool such as a nipper. Therefore, the operation of cutting the through hole forming portion 9 to form the through hole 11 is easy, so that the workability of the work of installing the outdoor unit 100 can be improved.

The through hole forming portion 9 shown in FIG. 10 is formed of a plurality of slit holes 95 imitating the through hole 11. A plurality of slit holes 95 are formed at intervals. The through hole forming portion 9 can be easily removed by cutting a connecting portion 96 between the adjacent slit holes 95 using a cutting tool such as a nipper. Therefore, the operation of forming the through hole 11 by removing the through hole forming portion 9 is facilitated, and the workability of the operation of installing the outdoor unit 100 can be improved.

In addition, said through-hole formation part 9 can be formed by various processing methods, such as die processing or post processing, for example. In the die processing, the front side corner panel 7 is manufactured using a mold that forms the step portion 90 or the notch groove 94 and the like. On the other hand, in the post-processing, after the front side corner panel 7 is manufactured, processing such as the step portion 90 or the notch groove 94 is performed.

Next, variations of the shape of the through hole will be described based on FIGS. 11 to 16 are perspective views of the front side corner panel schematically showing an example of the through hole of the outdoor unit of the air conditioner according to the embodiment of the present invention. In the illustrated embodiment, although the case where the through hole forming portion 9 is provided in the front side corner panel 7 is described as an example, the through hole forming portion 9 may be provided in the rear side corner panel 8. Further, the through hole forming portion 9 described based on FIGS. 11 to 16 is configured by any of the through hole forming portions 9 shown in FIGS. 7 to 10 described above.

FIG. 11 shows a configuration in which a through hole forming portion 9 for forming a horseshoe-shaped through hole 12 is provided in one wall portion 70 of the front side corner panel 7. The through hole forming portion 9 shown in FIG. 11 is provided such that a portion to be a chord matches the lower edge of the front side corner panel 7. By providing the inlet of the blade of a cutting tool such as a nipper, the cutting operation of the through hole forming portion 9 is facilitated. However, the portion to be a chord may be formed to be the upper edge of the front side corner panel 7. In addition, by forming the through hole forming portion 9 large in the surface of the wall portion 70, after forming the through hole 12, it becomes easy to apply the piping cover of the extension pipe or the wiring cover of the electric wiring.

FIG. 12 also shows a configuration in which a through hole forming portion 9 for forming a horseshoe-shaped through hole 13 is provided in one wall portion 70 of the front side corner panel 7. The through hole forming portion 9 shown in FIG. 12 is provided such that the portion to be a chord coincides with the side edge of the front side corner panel 7. By providing the inlet of the blade of a cutting tool such as a nipper, the cutting operation of the through hole forming portion 9 is facilitated. Further, the through hole forming portion 9 is provided such that the opening edge of the formed through hole 13 does not extend to the bottom panel. Prevents rainwater and the like traveling on the ground from entering the inside of the housing 10, thereby suppressing the problem of water being applied to equipment such as a compressor disposed in the housing 10, and enhancing the effect of preventing corrosion of the equipment. It is for. In addition, by forming the through hole forming portion 9 large in the surface of the wall portion 70, after forming the through hole 13, it becomes easy to apply the piping cover of the extension pipe or the wiring cover of the electric wiring.

FIG. 13 shows a configuration in which a through hole forming portion 9 for forming a circular through hole 14 is provided in one wall portion 70 of the front side corner panel 7. In addition, the said through-hole formation part 9 may be the structure which forms an elliptical-shaped through hole. FIG. 14 shows a configuration in which a through hole forming portion 9 for forming a rectangular through hole 15 is provided in one wall portion 70 of the front side corner panel 7. The corner portion of the rectangular through hole 15 is rounded. These through hole forming portions 9 are also provided so that the opening edge of the formed through hole 14 or 15 does not extend to the bottom panel. In addition, by forming the through hole forming portion 9 largely in the surface of the wall portion 70, after forming the through holes 14 or 15, it becomes easy to apply the piping cover of the extension pipe or the wiring cover of the electric wiring.

FIG. 15 shows a configuration in which a through hole forming portion 9 for forming two circular through holes 16 juxtaposed left and right is provided in one wall portion 70 of the front side corner panel 7. FIG. 16 shows a configuration in which a through hole forming portion 9 for forming a rectangular through hole 17 juxtaposed vertically is provided in one wall portion 70 of the front side corner panel 7. These through hole forming portions 9 are also provided so that the opening edge of the formed through hole 16 or 17 does not extend to the bottom panel. Further, the opening area can be reduced by providing these through hole forming portions 9 so as to be the through holes 16 or 17 having a hole diameter matched to the outer diameter of the extension piping or electrical wiring to be inserted. That is, since the outdoor unit 100 having the through holes 16 or 17 can suppress the amount of air touching equipment such as a compressor disposed inside the housing 10, the effect of preventing corrosion of the equipment can be enhanced. it can.

The configuration of the through holes described based on FIGS. 11 to 16 is an example, and the present invention is not limited to this. For example, the square through hole 15 shown in FIG. 14 may be a triangle or a polygon having five or more sides. Further, the through holes described based on FIGS. 11 to 16 may be combined with each other. In short, according to the installation place of outdoor unit 100, a penetration hole shall change a size and shape suitably, and shall be provided.

The outdoor unit 100 of the air conditioner according to the present embodiment is formed by combining a plurality of panels, and includes a housing 10 that forms an outer shell of the main body. The housing 10 has the same shape as the front side corner panel 7 and the front side corner panel 7 having an L-shaped cross section disposed at the front corner as part of a plurality of panels, and the rear side And a rear side corner panel 8 having an L-shaped cross-section. In one of the front side corner panel 7 and the rear side corner panel 8, a through hole forming portion 9 for forming a through hole 11 for communicating the inside and the outside of the housing 10 is provided. The front side corner panel 7 and the rear side corner panel 8 have a configuration that can be used interchangeably. Therefore, the outdoor unit 100 of the air conditioner is not required to provide the through hole forming portion that is not functionally required, and corrosion of the panel due to providing a plurality of through hole forming portions can be prevented. In addition, the outdoor unit 100 of the air conditioner exchanges the front side corner panel 7 and the rear side corner panel 8 with each other to insert extension piping, electrical wiring, etc. from multiple directions according to the place to be installed. Since the through holes 11 can be formed, the usability is excellent.

Further, since the outdoor unit 100 of the air conditioner does not need to have the through hole forming portion 9 which is not functionally required, the processing time is reduced and the manufacturing cost can be reduced, and there is no through hole forming portion 9 A flat and not simple appearance can be exhibited, and the design is also enhanced.

Further, in the front side corner panel 7 and the rear side corner panel 8, one wall portion 70 and the other wall portion 71 of the bent L-shape have the same shape. The through hole forming portion 9 is formed in the one wall portion 70. Therefore, after removing the front side corner panel 7 from the housing 10 and rotating the front side corner panel 7, the outdoor unit 100 of the air conditioner is attached to the same portion of the housing 10, for example, The position can be changed from the front side to the side of the housing 10. Therefore, the outdoor unit 100 of an air conditioner can form the through-hole 11 for inserting extension piping, an electrical wiring, etc. from multiple directions according to the installation place.

Further, the through hole forming portion 9 is formed by a step portion 90 or 92 which is recessed to the inside of the housing 10. That is, by forming the thickness of the joint portion 91 between the outer peripheral edge of the through hole forming portion 9 and the portion to be the opening edge of the through hole 11 thinner than the plate thickness of the front side corner panel 7 The through hole forming portion 9 can be easily cut out along the portion 91. Therefore, the outdoor unit 100 of the air conditioner can easily perform the work of forming the through holes 11, and therefore the installation performance of the installation work can be improved.

On the other hand, by setting the thickness of the joint portion 91 between the outer peripheral edge of the through hole forming portion 9 and the portion to be the opening edge of the through hole 11 to be as wide as the plate thickness of the front side corner panel 7 The strength of the panel can be increased. Therefore, the outdoor unit 100 of the air conditioner can suppress a reduction in strength due to corrosion even when it is stored, for example, in a warehouse for a long time.

The through hole forming portion 9 can also be formed by a notched groove 94 imitating the through hole 11. That is, the through hole forming portion 9 can be easily cut out along the cutout groove 94. Therefore, the outdoor unit 100 of the air conditioner can easily perform the work of forming the through holes 11, and can improve the installation performance of the installation work.

The through hole forming portion 9 can also be formed by a plurality of slit holes 95 imitating the through hole 11. That is, the through hole forming portion 9 can be easily removed by cutting out the connecting portion 96 between the adjacent slit holes 95. Therefore, the outdoor unit 100 of the air conditioner can easily perform the work of forming the through holes 11, and therefore the installation performance of the installation work can be improved.

Although the present invention has been described above based on the embodiment, the present invention is not limited to the configuration of the embodiment described above. For example, the housing 10 is not limited to the configuration of the plurality of panels described above. The front side corner panel 7 and the rear side corner panel 8 show a configuration in which one wall portion 70 and the other wall portion 71 of the bent L-shape have the same shape. The wall portion 71 may have a different shape. In short, the scope of the various modifications, applications, and uses that the so-called person skilled in the art makes as needed is mentioned in the scope of the present invention (the technical scope).

1 front left panel, 2 front right panel, 3 left side panel, 4 back panel, 5 top panel, 6 outlet, 7 front side corner panel, 8 back side corner panel, 9 through hole forming portion, 10 housing, 11, 11A, 11B through hole, 12 to 17 through hole, 18 outdoor heat exchanger, 70, 71 wall portion, 80, 81 wall portion, 90 step portion, 91 joint portion, 92 step portion, 93 joint portion, 94 cutting Notched groove, 95 slit hole, 96 connecting part, 100 outdoor unit.

Claims (5)

An outdoor unit of an air conditioner, comprising: a casing formed by combining a plurality of panels and forming an outer shell of the main body,
The housing is part of a plurality of panels,
The front side corner panel with an L-shaped cross section disposed at the front corner
A back side corner panel having the same shape as the front side corner panel and having an L-shaped cross section disposed at the back side corner;
In one of the front side corner panel and the rear side corner panel, a through hole forming portion for forming a through hole communicating the inside and the outside of the housing is provided.
An outdoor unit of an air conditioner, wherein the front side corner panel and the rear side corner panel can be used interchangeably. In the front side corner panel and the rear side corner panel, one wall portion of the bent L-shape and the other wall portion have the same shape,
The outdoor unit of an air conditioner according to claim 1, wherein the through hole forming portion is formed in one wall portion. The outdoor unit of an air conditioner according to claim 1, wherein the through hole forming portion is formed by a step portion recessed inward of the housing. The outdoor unit of an air conditioner according to claim 1, wherein the through hole forming portion is formed by a notch groove imitating the through hole. The outdoor unit of the air conditioner according to claim 1, wherein the through hole forming portion is formed by a plurality of slit holes imitating the through hole.

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