Boxes for storing electrical and electronic equipment

Abstract

To provide a box for housing an electric and electronic device having a light shield and a ventilation member, with an adsorption and exhaust efficiency.SOLUTION: A box 1 for housing an electric and electronic device, comprises: a housing 10; a ventilation member 2 that provides a ventilation path used for exchange of air of the housing 10 to an outer side of the housing 10; and a light shield 3 that covers the ventilation member 2. The ventilation member 2 includes: a wall part 21 that is opposite to an attached surface of the housing 10; and a pair of side surface parts 22 orthogonally extended to the attached surface of the housing 10 from the wall part 21. The light shield 3 includes: a light shield surface 31 that is opposite to the attached surface of the housing 10; and a pair of light shield side surfaces 32 extended so as to be orthogonal to the attached surface of the housing 10 from the light shield surface 31. In a side surface part 22 of the ventilation member 2 is provided a ventilation part 23, and a ventilation port 33 facing at least one part of the ventilation part 23 is formed in the light shield side surface 32.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a box for housing electric and electronic devices.

Background Art

[0002] As described in Patent Document 1, there is known a box for housing electric and electronic devices provided with a light shielding plate on the outer surface. This light shielding plate has ventilation holes formed on the side surface. Further, as described in Patent Document 2, a louver member that allows ventilation for exhaust heat may be provided outside the housing of the box for housing electric and electronic devices. The louver member described in Patent Document 2 has a bulging portion that prevents rainwater from entering on a surface parallel to the outer wall of the cabinet which is the mounting surface, and has louver ventilation holes that exhaust downward.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

[0004] When covering the louver member described in Patent Document 2 with the light shielding plate described in Patent Document, the ventilation direction of the louver member and the light shielding plate is different, so that the intake and exhaust efficiency is reduced.

Summary of the Invention

Problems to be Solved by the Invention

[0005] The inventor of the present case has tried to solve this problem by earnestly studying this point. The problem to be solved by the present invention is to provide a box for housing electric and electronic devices having good intake and exhaust efficiency provided with a light shielding plate and a ventilation member.

Means for Solving the Problems

[0006] To solve the above problems, the present invention provides an electrical and electronic equipment storage box comprising a housing, a ventilation member that provides a ventilation path on the outside of the housing for ventilation of the housing, and a light-shielding plate that covers the ventilation member, wherein the ventilation member has a wall portion facing the mounting surface of the housing and a pair of side portions extending perpendicularly from the wall portion to the mounting surface of the housing, the light-shielding plate has a light-shielding surface facing the mounting surface of the housing and a pair of light-shielding plate sides extending perpendicularly from the light-shielding surface to the mounting surface of the housing, a ventilation portion is provided on the side portion of the ventilation member, and a ventilation opening is formed on the side of the light-shielding plate facing at least a part of the ventilation portion.

[0007] Furthermore, it is preferable that the ventilation member and the light-shielding plate provided on the left and / or right side of the housing are configured such that, in a front view, the ventilation opening overlaps with at least a part of the ventilation section and a part of the wall surface constituting the side section.

[0008] Furthermore, it is preferable that a waterproof piece is provided inside the ventilation member, facing the ventilation portion, and that the ventilation member and the light-shielding plate provided on the left and / or right sides of the housing are configured such that, in a front view, the waterproof piece overlaps with both ends of the ventilation opening in the left-right direction. [Effects of the Invention]

[0009] The present invention makes it possible to provide a housing box for electrical and electronic equipment with good intake and exhaust efficiency, equipped with a light-shielding plate and a ventilation member. [Brief explanation of the drawing]

[0010] [Figure 1] This is a perspective view of a box for housing electrical and electronic equipment in an embodiment. [Figure 2] Figure 1 is a front view of a box for housing electrical and electronic equipment. [Figure 3] Figure 1 is a partially enlarged exploded view of the left side of the electrical and electronic equipment enclosure, seen from the front and slightly above. [Figure 4]Figure 1 is a partially enlarged exploded view of the left side of the electrical and electronic equipment enclosure, seen from the rear and diagonally downwards. [Figure 5] This is a VV cross-sectional view in Figure 1. [Figure 6] This is a magnified view of a portion of Figure 2. [Figure 7] This is a magnified view of a portion of Figure 5. In the figure, L1 and L2 are imaginary lines extending from the left and right ends of the vent in the cross-sectional view toward the inside of the ventilation member. [Figure 8] This is an exploded view of the ventilation member in the embodiment. [Figure 9] This is a perspective view of the ventilation member in the embodiment, as seen from the mounting surface side to the housing. [Modes for carrying out the invention]

[0011] The following describes embodiments for carrying out the invention. In this specification, as shown in Figure 1 and other figures, the side of the electrical and electronic equipment storage box 1 that is installed, i.e., the vertically downward side, is referred to as the lower side of the electrical and electronic equipment storage box 1, and the opposite side is referred to as the upper side. The side on which the door 11 that closes the opening of the electrical and electronic equipment storage box 1 is provided is referred to as the front side, and the opposite side is referred to as the rear side. Furthermore, the direction perpendicular to the vertical and front-to-back directions is referred to as the left-to-right direction of the electrical and electronic equipment storage box 1. In this specification, a front view refers to a front view taken from the front side of the housing 10.

[0012] As can be understood from Figures 1 to 4, the electrical and electronic equipment storage box 1 of this embodiment comprises a housing 10, a ventilation member 2 that provides a ventilation path on the outside of the housing 10 for ventilation of the housing 10, and a light-shielding plate 3 that covers the ventilation member 2. The ventilation member 2 has a wall portion 21 facing the mounting surface of the housing 10, and a pair of side portions 22 extending from the wall portion 21 perpendicular to the mounting surface of the housing 10. The light-shielding plate 3 has a light-shielding surface 31 facing the mounting surface of the housing 10, and a pair of light-shielding plate side portions 32 extending from the light-shielding surface 31 perpendicular to the mounting surface of the housing 10. A ventilation portion 23 is provided on the side portion 22 of the ventilation member 2, and a ventilation opening 33 is formed on the light-shielding plate side portion 32 facing at least a part of the ventilation portion 23. As a result, the ventilation direction of the ventilation member 2 and the light-shielding plate 3 is the same, making it possible to create an electrical and electronic equipment storage box 1 with good intake and exhaust efficiency.

[0013] The electrical and electronic equipment storage box 1 shown in Figures 2 to 4 has a door 11 on the front side. The ventilation members 2 in this embodiment are provided on the side 12 of the electrical and electronic equipment storage box 1. In this embodiment, the ventilation members 2 are provided on the right side 12 and the left side 12 of the electrical and electronic equipment storage box 1. Furthermore, in this example, two ventilation members 2 are arranged vertically on one side 12, with the upper ventilation member 2 for exhaust and the lower ventilation member 2 for intake. The number and arrangement structure of the ventilation members 2 are not limited to this, and the ventilation members 2 may be provided on only one side 12. Alternatively, an exhaust ventilation member 2 may be provided on one side 12 and an intake ventilation member 2 on the other side 12.

[0014] As can be understood from FIGS. 3 to 5, each of the ventilation members 2 of the embodiment is made of metal and is a substantially rectangular thin box-shaped cover having a space inside. The ventilation member 2 of this example includes a wall portion 21 that is parallel to the side surface 12, which is the surface to be attached of the housing 10, and a pair of side portions 22 that extend from the end of the wall portion 21 so as to be substantially orthogonal to the side surface 12 when attached to the housing 10. Further, the ventilation member 2 includes an attachment surface 26 that is attached to the housing 10 on the surface facing the wall portion 21. In the ventilation member 2 of the embodiment, a pair of attachment surfaces 26 are provided at positions that become the front side and the rear side when attached to the side surface 12, but the number and arrangement of the attachment surfaces 26 are not limited to this. Further, an attachment-side opening 28 is formed on the surface of the ventilation member 2 that faces the wall portion 21. The attachment-side opening 28 of the embodiment opens at a position substantially in the center of the surface facing the wall portion 21. The attachment-side opening 28 of the embodiment is approximately the same size as the opening 121 of the side surface 12 of the housing 10 described later.

[0015] In the embodiment, a plurality of ventilation portions 23 are formed in each of the pair of side portions 22. As can be understood from FIG. 5, since a space through which air can pass is formed between the attachment-side opening 28 and the ventilation portion 23, a ventilation path can be formed inside the ventilation member 2.

[0016] The shape and number of the ventilation portions 23 are not particularly limited, but the ventilation portions 23 of the present embodiment are long holes formed in a vertically long shape, and a total of eight are arranged in two vertical rows with four in each row on one side portion 22. If the ventilation portions 23 are ventilation holes formed by punching the side surface 22 whose entire outer surface is flat, rather than so-called louver ventilation holes provided with wing plates protruding from the outer surface of the side surface 22 or bulging portions formed by cutting and raising, the ventilation member 2 can be manufactured at low cost and simply.

[0017] Incidentally, when using the ventilation member 2 provided with louver ventilation holes opening downward, the exhaust direction of the exhaust ventilation member 2 is downward. Therefore, when the intake ventilation member 2 is arranged below the exhaust ventilation member 2 and these ventilation members 2 are covered by a single light-shielding plate 3, the warm air exhausted downward from the exhaust ventilation member 2 inside the light-shielding plate 3 easily returns to the inside of the housing 10 through the intake ventilation member 2. On the other hand, in the present embodiment, since the exhaust direction of the exhaust ventilation member 2 is not downward, it is possible to suppress the warm air exhausted from the upper exhaust ventilation member 2 from heading toward the lower intake ventilation member 2.

[0018] A ventilation opening 121 is provided in the side surface 12 of the housing 10 of the embodiment. The ventilation member 2 of the embodiment is attached to the outer side of the housing 10 on the side surface 12 such that the attachment-side opening 28 communicates with the opening 121. Further, as understood from being shown in FIG. 5, inside the housing 10 of this example, an intake or exhaust fan 4 and a filter 5 are attached by a fixing member 6 at a position facing the opening 121. The fan 4 and the filter 5 are not essential components, but it is preferable to provide them in order to improve the ventilation efficiency.

[0019] The light-shielding plate 3 of the embodiment is a metal plate material having a size that covers substantially the entire surface to be attached of the housing 10 and formed in a substantially U-shaped cross section. As understood from being shown in FIG. 1, in the present embodiment, the light-shielding plate 3 is attached to the side surfaces 12 located on the left and right of the door 11 and the housing 10. An opening is provided at a position facing the handle provided on the door 11 on the light-shielding surface 31 of the light-shielding plate 3 attached to the door 11, and the handle can be operated from the outside of the housing 10 through this opening. Note that the light-shielding plate 3 can be provided not only on the door 11 and the side surface 12 but also on other surfaces.

[0020] Furthermore, each of the pair of light-shielding plate sides 32 is provided with multiple ventilation openings 33. The shape and number of ventilation openings 33 are not particularly limited, but in this embodiment, the ventilation openings 33 are elongated holes formed vertically, and a total of four are arranged in a vertical row on one light-shielding plate side 32. In this example, the ventilation openings 33 are formed to be larger in both opening width and opening length than the ventilation section 23, but the size ratio of the two is not limited to this and can be set as appropriate.

[0021] As can be seen from Figure 6, in this embodiment, the ventilation member 2 and the light shielding plate 3 are arranged such that the ventilation opening 33 faces at least a part of the ventilation section 23. As mentioned above, this configuration results in the intake and exhaust directions of the ventilation member 2 and the light shielding plate 3 being almost the same, which improves intake and exhaust efficiency.

[0022] Furthermore, in this embodiment, from the viewpoint of waterproofing, it is preferable that the ventilation opening 33 is arranged so as to overlap with at least a part of the ventilation section 23 and a part of the wall surface constituting the side portion 22 of the ventilation member 2 when viewed from the front.

[0023] The arrangement of the ventilation openings 33 and ventilation sections 23 will be described in detail below. The ventilation member 2 of this embodiment is provided with isolation pieces 24 that extend along the surface of the side section 22 so as to separate the multiple ventilation sections 23 from each other. The isolation pieces 24 constitute a part of the wall surface of the side section 22. As can be seen from Figure 6, the isolation piece 24 of this embodiment has a vertical section 241 that is located between adjacent ventilation sections 23 on the left and right and extends in the vertical direction, and a horizontal section 242 that is located between adjacent ventilation sections 23 on the top and bottom and extends in the left and right direction, and has a grid-like shape when viewed from the front. In this example, multiple horizontal sections 242 are perpendicular to one vertical section 241, which suppresses deformation of the vertical section 241 that is long in the vertical direction.

[0024] The configuration of the isolation piece 24 is not limited to this. For example, the isolation piece 24 may consist only of vertical portions 241, or only of horizontal portions 242. It may also have a configuration that includes both vertical portions 241 and horizontal portions 242, as in the embodiment. Furthermore, the number of vertical portions 241 and horizontal portions 242 is not limited, and there may be two or more vertical portions 241 and / or horizontal portions 242. In addition, the isolation piece 24 may have a staggered pattern when viewed from the front.

[0025] As can be seen from Figure 6, in this embodiment, the central axis extending vertically from the vent 33 and the central axis extending vertically from the ventilation section 23 are positioned so as to be offset from each other in the left-right direction. Therefore, in a front view, the vent 33 in this example overlaps with both a part of the ventilation section 23 and a part of the wall surface of the side section 22, which includes the isolation piece 24. This ensures an airflow path while narrowing the water intrusion path, so that even a ventilation section 23 without vanes or bulges to prevent water intrusion can achieve both intake / exhaust efficiency and waterproof performance.

[0026] In this embodiment, when the ventilation opening 33 is larger than the ventilation section 23, it is preferable that the area ratio of one ventilation opening 33 to the ventilation section 23 overlapping the ventilation opening 33 is approximately 5:1 to 15:1. More preferably, the area ratio is approximately 6:1 to 12:1, and even more preferably 7:1 to 10:1.

[0027] Furthermore, it is preferable that the area ratio of the ventilation section 23 and the wall surface constituting the side section 22 that overlaps one ventilation opening 33 be configured such that the ratio of "area of ​​ventilation section 23" to "area of ​​wall surface constituting the side section 22" is approximately 1:2 to 1:7. More preferably, the area ratio is approximately 1:3 to 1:6, and even more preferably 1:4 to 1:5.

[0028] As can be seen from Figure 6, the light-shielding plate 3 of the embodiment is provided with a light-shielding plate separator 34 that extends along the surface of the side surface 32 of the light-shielding plate so as to separate the multiple ventilation openings 33 from each other. The light-shielding plate separator 34 of the embodiment is configured to have only a horizontal portion that is located between vertically adjacent ventilation openings 33 and extends in the left-right direction, but is not limited to this configuration. It may also have a configuration that has only a vertical portion that is located between horizontally adjacent ventilation openings 33 and extends in the up-down direction, or it may have both the vertical portion and the horizontal portion.

[0029] Furthermore, the size ratio and positional relationship between the ventilation opening 33 and the ventilation section 23 are not particularly limited and may differ from those of this embodiment. For example, the ventilation section 23 may be larger than the ventilation opening 33, and in a front view, the ventilation section 23 may overlap with a part of the ventilation opening 33 and a part of the light-shielding plate separator 34 and / or the side surface 32 of the light-shielding plate. Regardless of the size ratio between the ventilation opening 33 and the ventilation section 23, it is preferable that at least a part of the ventilation opening 33 or the ventilation section 23 is configured such that one overlaps with the other and the surrounding wall surface in a front view.

[0030] Furthermore, to further enhance waterproofing, it is preferable that waterproof pieces 25 are provided on the inside of the ventilation member 2. As can be seen from Figures 5 and 7, the inside of the ventilation member 2 in this embodiment is provided with two waterproof pieces 25, which are arranged opposite to each side portion 22 and suppress water that has entered the inside of the ventilation member 2 from the ventilation portion 23 further into the central side of the ventilation member 2.

[0031] The waterproof piece 25 in the example shown in Figure 7 is a metal plate formed to have a roughly V-shaped cross-section. In this example, the waterproof piece 25 is formed by bending the end of a member that constitutes the side portion 22, as will be described later. The waterproof piece 25 may be a separate member from the side portion 22 and may be fixed to the ventilation member 2 by welding or screws, but it is preferable to make the waterproof piece 25 an integral member with the side portion 22 because it can lower manufacturing costs and improve assembly workability.

[0032] As can be seen from Figures 7 and 8, the member constituting the side portion 22 of the embodiment is formed by bending a single metal plate into a substantially U-shape in cross-section, and comprises the side portion 22, a mounting surface 26 perpendicular to the side portion 22, and a waterproof piece 25 whose base end is substantially perpendicular to the mounting surface 26 and faces the side portion 22. In this example, the waterproof piece 25 is formed from the end of the mounting surface 26 toward the inside of the ventilation member 2, and the end that is in contact with the mounting surface 26 is the base end 251 of the waterproof piece 25. The waterproof piece 25 extends from the base end 251 toward the wall portion 21, and the end that is closer to the wall portion 21 is the tip portion 253. A ventilable gap is provided between the tip portion 253 and the wall portion 21. Furthermore, the waterproof piece 25 of the embodiment has a bent portion 252 approximately midway between the base end portion 251 and the tip portion 253, and the tip side is bent in a direction that approaches the side portion 22 with the bent portion 252 as the crease.

[0033] Liquids such as rainwater that enter the ventilation member 2 from outside the light-shielding plate 3 through the ventilation opening 33 and ventilation section 23 hit the waterproof piece 25 and flow down, preventing them from entering the central side of the ventilation member 2. This suppresses the ingress of water into the interior of the housing 10. As can be seen from Figure 8, the water that hits the waterproof piece 25 flows downward and is discharged to the outside through the drainage hole 213 formed in the bottom surface 212 of the ventilation member 2. Preferably, the drainage hole 213 is formed outside the waterproof pieces 25 (closer to the side portion 22), which further suppresses the ingress of water inside the waterproof pieces 25.

[0034] As can be seen from Figure 7, if we consider imaginary lines L1 and L2 extending from the left and right ends of the ventilation opening 33 toward the inside of the ventilation member 2 in a cross-sectional view, it is preferable that the base end 251 of the waterproof piece 25 is located to the right of the imaginary line L2 in the figure, and the tip end 253 is located to the left of the imaginary line L1 in the figure. In this case, in a front view, the waterproof piece 25 overlaps with both left and right ends of the ventilation opening 33. That is, in the region where the ventilation opening 33 and the waterproof piece 25 overlap in a front view, the entire ventilation opening 33 is covered by the waterproof piece 25. As a result, even if water is blown in forcefully from the side, almost perpendicular to the side surface 32 of the light-shielding plate, it is possible to suppress the intrusion of water into the inside of the housing 10, and a highly waterproof electrical and electronic equipment storage box 1 can be made.

[0035] Furthermore, as can be seen from Figure 8, the waterproof piece 25 of the embodiment is formed to be long enough to cover the entire area from the uppermost ventilation section 23 to the lowermost ventilation section 23 in the vertical direction. This allows for more effective blocking of water that passes through the ventilation section 23.

[0036] As can be seen from Figure 8, the ventilation member 2 of this embodiment consists of a member constituting the wall portion 21 and a pair of members constituting the side portion 22, which are separate members that are assembled and welded together. The method of fixing in the assembly of the ventilation member 2 is not limited to welding, and the entire structure may be integrally molded.

[0037] As can be seen from Figure 8, the member constituting the wall portion 21 of this embodiment is formed by bending a single metal plate into a substantially U-shape in its longitudinal cross-section, and comprises a rectangular wall portion 21, a top surface 211 that contacts the upper edge of the wall portion 21, and a bottom surface 212 that contacts the lower edge of the wall portion 21. Projections 214 are formed at both ends in the longitudinal direction of the top surface 211 and the bottom surface 212, extending away from the wall portion 21. In addition, the pair of members constituting the side portion 22 have stepped portions 221 formed at the upper and lower ends of the mounting surface 26, which are recesses that engage with the projections 214.

[0038] As can be seen from Figure 9, when assembling the ventilation member 2, the protrusion 214 and the stepped portion 221 are engaged, and the members are welded together. By providing the protrusion 214 and the stepped portion 221, the alignment of each member is made easier and the strength of the weld can be improved. In addition, the mounting surface 26 of this embodiment is provided with a fixing portion 27 for fixing to the mounting surface of the housing 10. In this example, the fixing portion 27 is a screw hole, but the method of attaching the ventilation member 2 to the housing 10 is not limited to using screws and can be done by any method.

[0039] Although the present invention has been described above with reference to embodiments, the present invention is not limited to the above embodiments and can be implemented in various forms. For example, the ventilation member 2 and the light shielding plate 3 may be provided on surfaces other than the side surface 12 of the housing 10. [Explanation of Symbols]

[0040] 1. Box for storing electrical and electronic equipment 10 cabinets 12 Side view 2. Ventilation member 2a Exhaust components 2b Intake component 22 Side part 23 Ventilation section 24 Isolation piece 25 Waterproof piece 3. Light-blocking plate 32 Side of light shielding plate 33 Ventilation hole

Claims

1. A housing for electrical and electronic equipment comprising a housing, a ventilation member provided on the side of the housing and having a ventilation path on the outside of the housing used for ventilation of the housing, and a light-shielding plate covering the ventilation member, The ventilation member has a wall portion facing the mounting surface of the housing, and a pair of side portions extending perpendicularly from the wall portion to the mounting surface of the housing. The light-shielding plate has a light-shielding surface facing the mounting surface of the housing, and a pair of light-shielding plate sides extending perpendicularly from the light-shielding surface to the mounting surface of the housing. A ventilation portion is provided on the side surface of the ventilation member. A box for housing electrical and electronic equipment, wherein a ventilation opening is formed on the side of the light-shielding plate, facing at least a part of the ventilation area.

2. The electrical and electronic equipment housing box according to claim 1, wherein the ventilation member and the light shield provided on the left and / or right side of the housing are arranged such that, in a front view, the ventilation opening overlaps with at least a part of the ventilation portion and a part of the wall surface constituting the side portion.

3. A waterproof piece is provided inside the ventilation member, facing the ventilation portion, and the ventilation member and the light shield provided on the left and / or right side of the housing are arranged such that, in a front view, the waterproof piece overlaps with both ends of the ventilation opening in the left-right direction, as described in claim 1 or 2.

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