Server rack

Abstract

This server rack comprises a rack housing forming an installation space in which a server is installed, and a rack door for closing the installation space. The rack housing includes: a first housing member which forms an opening for accessing the installation space, and against which a part of the rack door is pressed; and a second housing member which is provided so as to surround the opening and can be deformed when another part of the rack door is pressed thereagainst. The rack door includes: a first door member which is a part of the rack door and is formed of a conductive material that can be elastically deformed when pressed against the first housing member; and a second door member which is another part of the rack door and can be pressed against the second housing member to elastically deform the second housing member.

Description

Server Rack

[0001] The present disclosure relates to a server rack.

[0002] The importance of information handled by servers is increasing. In particular, highly confidential information such as trade secrets and personal information must be strictly managed on servers. Access to servers is via communication lines connected to the server. In this way, it is possible to take measures against unauthorized access via communication lines using technical means such as firewalls.

[0003] Threats to servers are not limited to unauthorized access via communication lines. For example, there is a threat that the information stored on the server can be extracted using weak electromagnetic waves emitted by the server. There is also a threat that the physical components that make up the server, such as the processor and memory, can be destroyed, or the information stored on the server can be destroyed, by irradiating the server with strong electromagnetic waves.

[0004] Patent Document 1 describes a server rack that protects servers and information stored in the servers from harmful external electromagnetic waves.

[0005] Patent No. 428913

[0006] For example, threats caused by strong external electromagnetic waves can be attributed to natural disasters or human actions, making it increasingly important to physically protect servers from strong electromagnetic wave radiation and to protect the information stored on them.

[0007] Therefore, the present disclosure provides a server rack that can withstand threats caused by strong electromagnetic waves emitted from outside.

[0008] A server rack according to one embodiment of the present disclosure comprises a rack housing that forms an arrangement space in which a server is arranged, and a rack door for closing the arrangement space, wherein the rack housing has a first housing member that forms an opening for accessing the arrangement space and against which a portion of the rack door is pressed, and a second housing member that surrounds the opening and is deformable when another portion of the rack door is pressed, and the rack door has a first door member that is part of the rack door and is formed from a conductive material that is elastically deformable when pressed against the first housing member, and a second door member that is another part of the rack door and is elastically deformed when pressed against the second housing member.

[0009] This server rack has a first barrier against electromagnetic waves formed by a first housing member and a first door member. Furthermore, the server rack has a second barrier against electromagnetic waves formed by a second housing member and a second door member. As a result, electromagnetic waves are prevented from penetrating the interior from the outside through the opening. Therefore, it is possible to counter the threat posed by strong electromagnetic waves emitted from the outside.

[0010] The rack housing of the server rack may include a housing main surface including an opening, and the distance from the position where the first door member and the first housing member contact each other to the housing main surface may be longer than the distance from the position where the second door member and the second housing member contact each other to the housing main surface. This configuration also makes it possible to effectively prevent electromagnetic waves from entering the interior from the outside through the opening.

[0011] The server rack may further include a first housing member having an opening principal surface against which the first door member is pressed and an opening end surface facing in a direction intersecting the normal to the opening principal surface, and a second door member having a door member end surface abutting the second housing member and a door member side surface facing in a direction intersecting the normal to the door member end surface, the opening principal surface being spaced apart from the housing principal surface along the normal to the housing principal surface. This configuration also effectively prevents electromagnetic waves from entering the interior from the outside through the opening.

[0012] The server rack may further include a first housing member having an opening principal surface against which the first door member is pressed and an opening end surface facing a direction intersecting a normal to the opening principal surface, and a second door member having an end surface abutting the second housing member and a side surface facing a direction intersecting a normal to the door end surface, the opening end surface facing the side surface. This configuration also effectively prevents electromagnetic waves from entering the interior from the outside through the opening.

[0013] The end face of the opening of the server rack may be spaced apart from the side face of the door member. This configuration also effectively prevents electromagnetic waves from entering the interior from the outside through the opening.

[0014] The rack housing of the server rack has an inner wall member that defines the arrangement space, and the surface of the first housing member against which the first door member is pressed may be a part of the inner wall member. This configuration also effectively prevents electromagnetic waves from entering the interior from the outside through the opening.

[0015] The server rack may further include a first housing member having an opening principal surface against which the first door member is pressed and an opening end surface facing in a direction intersecting the normal to the opening principal surface, and a second door member having a door end surface abutting the second housing member and a door side surface facing in a direction intersecting the normal to the door end surface, the contact area between the opening principal surface and the first door member being larger than the contact area between the door end surface and the second housing member. This configuration also effectively prevents electromagnetic waves from entering the interior from the outside through the opening.

[0016] The server rack of the present disclosure can physically protect the server from threats caused by strong electromagnetic waves emitted from outside, and can also protect the information stored in the server.

[0017] FIG. 1 is a perspective view of a server rack according to an embodiment. FIG. 2 is an exploded perspective view of the top plate of the housing. FIG. 3 is an enlarged cross-sectional perspective view of a main portion of the top plate of the housing. FIG. 4 is a perspective view showing a top honeycomb panel cover. FIG. 5 is an exploded perspective view of the bottom plate of the housing. FIG. 6 is an enlarged cross-sectional perspective view of a main portion of the bottom plate of the housing. FIG. 7 is an exploded perspective view of the right wall of the housing. FIG. 8 is an enlarged cross-sectional perspective view of a main portion of the right wall of the housing. FIG. 9 is an exploded perspective view of the rack front door. FIG. 10 is an enlarged cross-sectional perspective view of a main portion of the rack front door. FIG. 11 is a cross-sectional view for explaining a structure for shielding electromagnetic waves.

[0018] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same elements are designated by the same reference numerals, and duplicated explanations will be omitted.

[0019] The server rack 1 shown in FIG. 1 houses one or more servers (not shown). The server rack 1 protects the housed servers from electromagnetic waves that may enter from outside the server rack 1. This protection includes preventing damage to the processors and memory, which are the physical components that make up the server. This protection also includes preventing damage to information stored in the server. Furthermore, weak electromagnetic waves may be generated from the server during its operation. The server rack 1 also prevents weak electromagnetic waves generated by the server from leaking to the outside.

[0020] The server rack 1 has a rack housing 11, a rack front door 6 (rack door), and a rack rear door 7. The rack housing 11 forms an arrangement space 1S for accommodating servers. The rack housing 11 has two rack openings 11S. The rack openings 11S are used to accommodate servers. The rack openings 11S are also used to perform desired operations on the accommodated servers. The rack openings 11S are normally closed by the rack front door 6 and the rack rear door 7.

[0021] From the perspective of shielding electromagnetic waves from entering the server rack 1 from the outside to the inside, and shielding electromagnetic waves from leaking from the inside to the outside, one of the most critical areas is the area where the rack front door 6 contacts the rack housing 11. The same is true for the area where the rack rear door 7 contacts the rack housing 11. Electromagnetic waves are likely to enter and leak through such areas. For example, it can be said that the electromagnetic wave shielding performance of the server rack 1 is determined by the electromagnetic wave shielding performance at the area where the rack front door 6 contacts the rack housing 11 and / or the area where the rack rear door 7 contacts the rack housing 11. Therefore, the server rack 1 of this embodiment has a structure that can exhibit extremely high electromagnetic wave shielding performance at the area where the rack front door 6 contacts the rack housing 11.

[0022] The rack housing 11 has a housing top panel 2, a housing bottom panel 3, a housing right wall panel 4, and a housing left wall panel 5. In other words, the rack housing 11 constitutes the four sides of the server rack 1, which is a rectangular parallelepiped.

[0023] <Case Top Panel 2> As shown in Figures 2 and 3, the case top panel 2 includes a top panel 21, a top panel shield 22 (inner wall member), top panel side reinforcements 23, and a top panel front reinforcement 24. The top panel 21 is formed of a steel plate. Examples of steel plates that can be used for the top panel 21 include electro-galvanized steel plates (SEHC material) and stainless steel plates (SUS material). The top panel 21 can also be made of a metal plate other than a steel plate. The top panel shield 22 is formed of an aluminum alloy plate.

[0024] The top plate 21 forms the outer upper surface of the server rack 1. The top plate 21 includes a top plate main body portion 211 and a top plate opening forming portion 212.

[0025] The top plate main body 211 includes a top plate main body outer surface 211a and a top plate main body inner surface 211b. The top plate main body outer surface 211a is the outer upper surface of the server rack 1. The top plate main body inner surface 211b faces the top plate shield 22. The top plate main body 211 is provided with one top plate main body opening 21H (intake / exhaust opening).

[0026] The top plate opening forming portion 212 includes a top plate frame portion 212A, a top plate opening 212B, and a top plate contact portion 212C. The top plate contact portion 212C, together with a top plate shield contact portion 222C (described later), constitutes the housing contact portion 220 (first housing member). The top plate frame portion 212A includes a top plate frame outer surface 212a (main housing surface) and a top plate frame inner surface 212b. The top plate opening 212B includes a top plate opening outer surface 212c and a top plate opening inner surface 212d. The top plate contact portion 212C includes a top plate contact outer surface 212e, a top plate contact inner surface 212f, and a top plate contact end surface 212g.

[0027] Here, a gasket 410 (second housing member) is attached to the top plate frame outer surface 212a. A door shield wall end surface 623c (described later) is pressed against the gasket 410. The gasket 410 can flexibly deform when pressed against the door shield wall end surface 623c. The width of the gasket 410 is greater than the width (plate thickness) of the door shield wall end surface 623c. Furthermore, the gasket 410 is electrically conductive. When the door shield wall end surface 623c is pressed against the gasket 410, the top plate shield 22 and the door reinforcement 62 are electrically connected.

[0028] The top shield 22 forms a space for accommodating the servers. That is, the top shield 22 forms the inner surface of the server rack 1.

[0029] The top plate shield 22 includes a top plate shield main body 221 , a top plate shield opening forming portion 222 , and a top plate shield fixing portion 223 .

[0030] The top plate shield main body 221 forms a space for accommodating the server. The top plate shield main body 221 has four top plate shield main body openings 22H (intake and exhaust openings). For example, a fan may be attached to each of the top plate shield main body openings 22H. When the fan operates to exhaust air from the installation space 1S, the top plate shield main body openings 21H and 22H function as exhaust ports. As a result of this exhaust, outside air is drawn into the installation space 1S through the bottom plate shield main body openings 31H and 32H (described below). Therefore, the bottom plate shield main body openings 31H and 32H function as intake ports. The top plate shield main body 221 includes a top plate shield main body outer surface 221a and a top plate shield main body inner surface 221b. The top plate shield main body outer surface 221a faces the top plate main body inner surface 211b. The top plate shield main body inner surface 221b faces the space that houses the server. In other words, the top plate shield main body inner surface 221b faces the server. A predetermined gap is formed between the top plate shield main body outer surface 221a and the top plate main body inner surface 211b. This gap is formed by the top plate side reinforcement 23 and the top plate front reinforcement 24, which will be described later.

[0031] The top plate shield opening forming portion 222 is part of the elements that form the rack opening 11S. The top plate shield opening forming portion 222 includes a top plate shield frame portion 222A, a top plate shield opening 222B, and a top plate shield contact portion 222C. When viewed from the side in cross section (see FIG. 3), the top plate shield frame portion 222A, the top plate shield opening 222B, and the top plate shield contact portion 222C are U-shaped.

[0032] The top plate shield frame portion 222A includes a top plate shield frame portion outer surface 222a and a top plate shield frame portion inner surface 222b. The top plate shield frame portion outer surface 222a faces the rack front door 6.

[0033] The top plate shield opening 222B forms the rack opening 11S. The top plate shield opening 222B includes a top plate shield opening outer surface 222c and a top plate shield opening inner surface 222d. The top plate shield opening outer surface 222c faces the rack opening 11S. The top plate shield opening inner surface 222d is in contact with the top plate opening outer surface 212c.

[0034] A part of the rack front door 6 is pressed against the top plate-shield contact portion 222C. Specifically, a shield finger 64 (first door member) of the rack front door 6 is pressed against the top plate-shield contact portion 222C. Unlike the gasket 410 described above, the top plate-shield contact portion 222C does not undergo significant deformation even when the shield finger 64 is pressed against it. When the shield finger 64 is pressed against the top plate-shield contact portion 222C, the shield finger 64 is elastically deformed.

[0035] The top plate-shield contact portion 222C includes a top plate-shield contact portion outer surface 222e (main surface of the opening), a top plate-shield contact portion inner surface 222f, and a top plate-shield contact portion end surface 222g (end surface of the opening). The top plate-shield contact portion outer surface 222e contacts the shield finger 64. The top plate-shield contact portion inner surface 222f contacts the top plate contact portion outer surface 212e. The top plate-shield contact portion end surface 222g faces a portion of the rack front door 6.

[0036] The top plate side reinforcement 23 is fixed to the top plate main body inner surface 211b and the top plate shield main body outer surface 221a. The top plate front reinforcement 24 is also fixed to the top plate main body inner surface 211b and the top plate shield main body outer surface 221a.

[0037] A top honeycomb panel cover 8 is attached to the top plate 21 with multiple screws 8S. The top honeycomb panel cover 8 covers the top plate main body opening 21H. The top honeycomb panel cover 8 is made of stainless steel (SUS material). As shown in FIG. 4 , the top honeycomb panel cover 8 includes a cover main body 81 and four cover flanges 82. The cover main body 81 includes a honeycomb panel cover surface 81a and a cover frame surface 81b. Note that the honeycomb panel cover surface 81a has multiple through holes that form a predetermined honeycomb panel structure, but these are not specifically shown in FIG. 4 and other figures.

[0038] When attaching the top honeycomb panel cover 8 to the top plate 21, it is possible to secure it with approximately four screws 8S because the top honeycomb panel cover 8 is not subject to large external forces. However, when considering the electromagnetic wave shielding function, even a small gap between the cover flange 82 and the top plate 21 can become a passage for electromagnetic waves. Therefore, in the server rack 1 of this embodiment, multiple through holes 82H are provided in each of the four cover flanges 82. A screw 82S is inserted into each through hole 82H. For example, one cover flange 82 may be provided with ten or more through holes 82H and secured with ten or more screws 82S.

[0039] <Housing Bottom Plate 3> As shown in Figures 5 and 6, the housing bottom plate 3 includes a bottom plate 31, a bottom plate shield 32 (inner wall member), a bottom plate side reinforcement 33, and a bottom plate front reinforcement 34. The bottom plate 31 is formed of a steel plate. Examples of steel plates that can be used for the bottom plate 31 include electrogalvanized steel plate (SEHC material) and stainless steel plate (SUS material). The bottom plate 31 can also be made of a metal plate other than steel plate. The bottom plate shield 32 is formed of an aluminum alloy plate.

[0040] The bottom plate 31 forms the outer lower surface of the server rack 1. Although not shown, casters or the like may be provided on the bottom plate 31. The bottom plate 31 includes a bottom plate main body portion 311 and a bottom plate opening forming portion 312.

[0041] The bottom plate main body 311 includes a bottom plate main body outer surface 311a and a bottom plate main body inner surface 311b. The bottom plate main body outer surface 311a is the outer underside of the server rack 1. The bottom plate main body inner surface 311b faces the bottom plate shield 32. The bottom plate main body 311 is provided with two bottom body openings 31H (intake and exhaust openings).

[0042] The bottom plate opening forming portion 312 includes a bottom plate frame portion 312A, a bottom plate opening portion 312B, and a bottom plate contact portion 312C. The bottom plate contact portion 312C, together with a bottom plate shield contact portion 322C (described later), constitutes the housing contact portion 320 (first housing member). The bottom plate frame portion 312A includes a bottom plate frame outer surface 312a (main housing surface) and a bottom plate frame inner surface 312b. The bottom plate opening 312B includes a bottom plate opening outer surface 312c and a bottom plate opening inner surface 312d. The bottom plate contact portion 312C includes a bottom plate contact outer surface 312e, a bottom plate contact inner surface 312f, and a bottom plate contact end surface 312g.

[0043] The bottom plate shield 32 forms a space for accommodating the servers. In other words, the top plate shield 22 forms the inner surface of the server rack 1.

[0044] The bottom plate shield 32 includes a bottom plate shield main body portion 321 , a bottom plate shield opening forming portion 322 , and a bottom plate shield fixing portion 323 .

[0045] The bottom plate shield main body 321 forms a space for accommodating the server. The bottom plate shield main body 321 is provided with two bottom plate shield main body openings 32H (intake and exhaust openings). The bottom plate shield main body 321 includes a bottom plate shield main body outer surface 321a and a bottom plate shield main body inner surface 321b. The bottom plate shield main body outer surface 321a faces the bottom plate main body inner surface 311b. The bottom plate shield main body inner surface 321b faces the space for accommodating the server. In other words, the bottom plate shield main body inner surface 321b faces the server. A predetermined gap is formed between the bottom plate shield main body outer surface 321a and the bottom plate main body inner surface 311b. This gap is formed by the bottom plate side reinforcement 33 and the bottom plate front reinforcement 34, which will be described later.

[0046] The bottom plate shield opening forming portion 322 is part of the elements that form the rack opening 11S. The bottom plate shield opening forming portion 322 includes a bottom plate shield frame portion 322A, a bottom plate shield opening 322B, and a bottom plate shield contact portion 322C. When viewed from the side in cross section (see FIG. 6 ), the bottom plate shield frame portion 322A, the bottom plate shield opening 322B, and the bottom plate shield contact portion 322C are U-shaped.

[0047] The bottom plate shield frame 322A includes a bottom plate shield frame outer surface 322a and a bottom plate shield frame inner surface 322b. The bottom plate shield frame outer surface 322a faces the rack front door 6. A gasket 410 is attached to the bottom plate shield frame outer surface 322a.

[0048] The bottom plate shield opening 322B forms the rack opening 11S. The bottom plate shield opening 322B includes a bottom plate shield opening outer surface 322c and a bottom plate shield opening inner surface 322d. The bottom plate shield opening outer surface 322c faces the rack opening 11S. The bottom plate shield opening inner surface 322d is in contact with the bottom plate opening outer surface 312c.

[0049] The shield finger 64 of the rack front door 6 is pressed against the bottom plate shield contact portion 322C. The bottom plate shield contact portion 322C includes a bottom plate shield contact portion outer surface 322e (main surface of the opening), a bottom plate shield contact portion inner surface 322f, and a bottom plate shield contact portion end surface 322g (end surface of the opening). The bottom plate shield contact portion outer surface 322e contacts the shield finger 64. The bottom plate shield contact portion inner surface 322f contacts the bottom plate contact portion outer surface 312e. The bottom plate shield contact portion end surface 322g faces toward a portion of the rack front door 6 (see FIG. 11 ).

[0050] The bottom plate side reinforcement 33 is fixed to the bottom plate main body inner surface 311b and the bottom plate shield main body outer surface 321a. The bottom plate front reinforcement 34 is also fixed to the bottom plate main body inner surface 311b and the bottom plate shield main body outer surface 321a.

[0051] A bottom plate honeycomb panel cover 9 is attached to the bottom plate shield 32. The bottom plate honeycomb panel cover 9 covers each of the bottom plate shield main body openings 32H. The bottom plate honeycomb panel cover 9 differs from the top plate honeycomb panel cover 8 in dimensions and the number of through holes 82H, but otherwise has roughly the same structure as the top plate honeycomb panel cover 8. Therefore, a detailed description of the bottom plate honeycomb panel cover 9 will be omitted.

[0052] <Right Wall Panel 4 of the Housing> As shown in FIGS. 7 and 8 , the right wall panel 4 of the housing includes a wall side panel 41, a side shield 42 (inner wall member), a side panel reinforcement 43, and a main body support 45. The wall side panel 41 is formed of a steel plate. Examples of steel plates that can be used for the bottom panel 31 include electrogalvanized steel plate (SEHC material) and stainless steel plate (SUS material). A metal plate other than a steel plate can also be used for the wall side panel 41. The side shield 42 is formed of an aluminum alloy plate. The side panel reinforcement 43 is formed of a steel plate. Like the wall side panel 41, the main body support 45 is also formed of a steel plate. Examples of steel plates that can be used for the main body support 45 include electrogalvanized steel plate (SEHC material) and stainless steel plate (SUS material). A metal plate other than a steel plate can also be used for the main body support 45.

[0053] The wall side panel 41 forms the outer side surface of the server rack 1. The wall side panel 41 includes a side panel main body portion 411 and a side panel opening forming portion 412.

[0054] The side panel body portion 411 includes a side panel body portion outer surface 411a and a side panel body portion inner surface 411b. The side panel body portion outer surface 411a is the outer side surface of the server rack 1. The side panel body portion inner surface 411b faces the side shield 42. The side panel body portion inner surface 411b does not contact the side shield 42.

[0055] The side plate opening forming portion 412 includes a side plate frame portion 412A, a side plate opening 412B, and a side plate contact portion 412C. The side plate contact portion 412C, together with a side shield contact portion 422C described later, constitutes a housing contact portion 420 (first housing member).

[0056] The side plate frame portion 412A includes a side plate frame outer surface 412a (main surface of the housing) and a side plate frame inner surface 412b. The side plate frame outer surface 412a faces the rack front door 6. Specifically, the side plate frame outer surface 412a includes a portion facing the door main back surface 61b, a portion facing the door shield wall end surface 623c, and a portion facing the door shield frame inner surface 622b. Of these, a gasket 410 is attached to the portion facing the door shield wall end surface 623c. Furthermore, the side plate frame outer surface 412a also includes a portion facing the side plate contact portion inner surface 412f (described below). The side plate frame inner surface 412b includes a portion facing the main body support pillar main surface 45a and a portion facing the main body support pillar opening inner surface 45c. The side plate frame inner surface 412b does not contact the main body support pillar main surface 45a. The side plate frame inner surface 412b contacts the main body support column opening inner surface 45c.

[0057] The side panel opening 412B includes a side panel opening outer surface 412c and a side panel opening inner surface 412d. The side panel opening outer surface 412c faces the side shield opening inner surface 422d. The side panel opening outer surface 412c is in contact with the side shield opening inner surface 422d. The side panel opening inner surface 412d includes a portion facing the door shield wall inner surface 623b and a portion facing the gasket 410. The side panel opening inner surface 412d does not face the door shield wall inner surface 623b. The side panel opening inner surface 412d also does not face the gasket 410.

[0058] The side plate contact portion 412C includes a side plate contact portion outer surface 412e, a side plate contact portion inner surface 412f, and a side plate contact portion end surface 412g. The side plate contact portion outer surface 412e faces the door shield frame inner surface 622b. The side plate contact portion outer surface 412e does not contact the door shield frame inner surface 622b. The side plate contact portion inner surface 412f faces the side plate frame outer surface 412a. The side plate contact portion inner surface 412f does not contact the side plate frame outer surface 412a. The side plate contact portion end surface 412g faces the door shield wall inner surface 623b. The side plate contact portion end surface 412g does not contact the door shield wall inner surface 623b.

[0059] The side shield 42 forms a space for accommodating the servers. In other words, the side shield 42 forms the inner surface of the server rack 1. The side shield 42 includes a side shield main body portion 421 and a side shield opening forming portion 422.

[0060] The side shield main body 421 includes a shield main body outer surface 421a and a shield main body inner surface 421b. The shield main body outer surface 421a faces the side plate main body inner surface 411b. The shield main body outer surface 421a does not contact the side plate main body inner surface 411b. The shield main body inner surface 421b is an inner wall surface of the installation space 1S. The shield main body inner surface 421b faces the server placed in the installation space 1S.

[0061] The side shield opening forming portion 422 includes a side shield frame portion 422A, a side shield opening portion 422B, and a side shield contact portion 422C.

[0062] The side shield frame 422A includes a side shield frame outer surface 422a and a side shield frame inner surface 422b. The side shield frame outer surface 422a faces the main body support column 45. The side shield frame outer surface 422a is in contact with the main body support column 45. The side shield frame inner surface 422b is an inner wall surface of the installation space 1S. The side shield frame inner surface 422b faces the server placed in the installation space 1S.

[0063] The side shield opening 422B includes a side shield opening outer surface 422c and a side shield opening inner surface 422d. The side shield opening outer surface 422c faces the rack opening 11S. The side shield opening inner surface 422d faces the side panel opening outer surface 412c. The side shield opening inner surface 422d is in contact with the side panel opening outer surface 412c.

[0064] The side shield contact portion 422C includes a side shield contact portion outer surface 422e (opening main surface), a side shield contact portion inner surface 422f, and a side shield contact portion end surface 422g (opening end surface). The side shield contact portion outer surface 422e faces the door shield frame inner surface 622b. Meanwhile, a shield finger 64 attached to the door shield frame inner surface 622b presses against the side shield contact portion outer surface 422e. The side shield contact portion inner surface 422f faces the side plate contact portion outer surface 412e. The side shield contact portion inner surface 422f contacts the side plate contact portion outer surface 412e. The side shield contact portion end surface 422g faces the door shield wall inner surface 623b. The side shield contact portion end surface 422g does not contact the door shield wall inner surface 623b.

[0065] The main body support 45 includes a main body support main surface 45a, a main body support mounting surface 45b, and a main body support opening inner surface 45c. The main body support main surface 45a faces the side plate frame portion inner surface 412b. The main body support main surface 45a does not contact the side plate frame portion inner surface 412b. The main body support mounting surface 45b faces the side shield frame portion inner surface 422b. The main body support mounting surface 45b contacts the side shield frame portion inner surface 422b. The main body support opening inner surface 45c faces the side plate frame portion inner surface 412b. The main body support opening inner surface 45c contacts the side plate frame portion inner surface 412b.

[0066] The side panel reinforcement 43 is disposed across a pair of side shields 42. The side panel reinforcement 43 includes a side panel reinforcement body 431 and a pair of side panel reinforcement flanges 432. The side panel reinforcement body 431 includes a side panel reinforcement body main surface portion 431A and a side panel reinforcement body side wall portion 431B. The cross section of the side panel reinforcement body 431 is U-shaped. This cross section increases the section modulus of the side panel reinforcement 43, allowing it to adequately resist bending loads. One side panel reinforcement flange 432 is fixed to the side panel shield 42 on the rack front door 6 side. The other side panel reinforcement flange 432 is fixed to the side panel shield 42 on the rack rear door 7 side.

[0067] <Left Housing Wall Panel 5> The left housing wall panel 5 has the same configuration as the right housing wall panel 4. Therefore, a detailed description of the left housing wall panel 5 will be omitted.

[0068] As shown in FIG. 1 , an electrical bus bar connection 40 for connecting the server rack 1 to a reference potential may be provided on the wall side panel 41 of the right wall panel portion 4 of the housing. A bus bar formed of a copper plate is connected to this bus bar connection 40. The other end of the bus bar is electrically connected to a ground point provided in the room in which the server rack 1 is installed. In other words, the server rack 1 of this embodiment uses a bus bar instead of a cable for electrical grounding. This configuration also further improves the electromagnetic wave shielding performance of the server rack 1.

[0069] <Rack front door 6> The rack front door 6 is connected to the housing right wall panel 4 by three hinges (not shown) so as to be able to open and close. Furthermore, five catch clips (not shown) are attached to the end face of the rack front door 6 on the side opposite to where the hinges are attached. The rack front door 6 is pressed against the rack housing 11 by the five catch clips, thereby enabling it to optimally exhibit electromagnetic wave shielding performance.

[0070] The components and configuration for attaching the rack front door 6 to the rack housing 11 are not limited to the above examples. The components and configuration for attaching the rack front door 6 to the rack housing 11 can be selected arbitrarily depending on the size or weight of the rack front door 6 and the rack housing 11. For example, the number of hinges may be three or more, or less than three. The number of catch clips may also be five or more, or less than five. Furthermore, it is sufficient for the catch clip to have a function that allows the rack front door 6 to be switched between a state in which it is fixed to the rack housing 11 and a state in which it is released from the fixed state (open state). Instead of the catch clip, another mechanical component having such a function may be used.

[0071] 9 and 10 , the rack front door 6 includes a door body 61, a door reinforcement 62, a door shield 63, and a shield finger 64. For example, the door body 61 is made of an aluminum alloy plate. The door reinforcement 62 is made of stainless steel (SUS material). The door shield 63 is made of an aluminum alloy plate.

[0072] The door body 61 forms the outer front surface of the server rack 1. The door body 61 includes a door body main surface 61a, a door body back surface 61b, a door body outer side surface 61c, and a door body inner side surface 61d.

[0073] The door main surface 61a is the outer front surface of the server rack 1. The center portion of the door main surface 61b is in contact with the door main surface 61a of the door reinforcement 62. The area surrounding the portion of the door main surface 61b that is in contact with the door reinforcement 62 faces the door shield frame outer surface 622a of the door reinforcement 62. The door main surface 61b is not in contact with the door shield frame outer surface 622a. Furthermore, the area further surrounding the portion of the door main surface 61b that faces the door shield frame outer surface 622a of the door reinforcement 62 faces the top panel frame outer surface 212a, the bottom panel frame outer surface 312a, and the side panel frame outer surface 412a. The door main surface 61b is not in contact with the top panel frame outer surface 212a, the bottom panel frame outer surface 312a, and the side panel frame outer surface 412a.

[0074] The door reinforcement 62 includes a portion that comes into contact with the rack housing 11. The door reinforcement 62 has a door reinforcement main body 621. The door reinforcement main body 621 includes a door reinforcement main surface 621a, a door reinforcement back surface 621b, and a door reinforcement wall surface 621c. The door reinforcement main surface 621a is in contact with the door main body back surface 61b. The door reinforcement back surface 621b faces the door shield 63. The door reinforcement back surface 621b is not in contact with the door shield 63.

[0075] The door reinforcement 62 further includes a door reinforcement shield frame 622 and a door reinforcement shield wall 623 (second door member).

[0076] The door reinforcement shield frame 622 protrudes from the door reinforcement wall surface 621c. The door reinforcement shield frame 622 includes a door shield frame outer surface 622a and a door shield frame inner surface 622b. The door shield frame outer surface 622a faces the door main body back surface 61b. The door shield frame outer surface 622a does not contact the door main body back surface 61b. The door shield frame inner surface 622b faces the rack housing 11. Specifically, the door shield frame inner surface 622b includes an area facing the housing contact portions 220, 320, and 420 (see FIG. 11 ). Shield fingers 64 are attached to the areas of the door shield frame inner surface 622b facing the housing contact portions 220, 320, and 420.

[0077] The shield fingers 64 are the first barrier for blocking electromagnetic waves. When pressed, the shield fingers 64 are deformed so as to be crushed. This deformation increases the contact area between the shield fingers 64 and the housing contact portions 220, 320, and 420. As a result, the electrical resistance between the shield fingers 64 and the housing contact portions 220, 320, and 420 becomes smaller.

[0078] The door reinforcement shield wall 623 is a second barrier for shielding electromagnetic waves. The door reinforcement shield wall 623 stands up from the outer edge portion of the door reinforcement shield frame 622. The door reinforcement shield wall 623 includes a door shield wall outer surface 623a, a door shield wall inner surface 623b (door element side surface), and a door shield wall end surface 623c (door element end surface). The door shield wall outer surface 623a faces the door main body inner surface 61d. The door shield wall outer surface 623a does not contact the door main body inner surface 61d. The door shield wall inner surface 623b faces the housing contact portions 220, 320, 420. Specifically, the door shield wall inner surface 623b faces the top plate contact portion end surface 212g, the top plate shield contact portion end surface 222g, the bottom plate contact portion end surface 312g, the bottom plate shield contact portion end surface 322g, the side plate contact portion end surface 412g, and the side plate shield contact portion end surface 422g. Furthermore, the door shield wall inner surface 623b also faces the shield finger 64. Furthermore, the door shield wall inner surface 623b also faces the side plate opening outer surface 412c. Note that the door shield wall inner surface 623b does not contact any of these opposing portions. The door shield wall end surface 623c faces the gasket 410. The door shield wall end surface 623c contacts the gasket 410. Specifically, the door shield wall end surface 623c is pressed against the gasket 410 to such an extent that the gasket 410 is deformed. Note that, when the side panel frame outer surface 412a is used as a reference, the distance from the side panel frame outer surface 412a to the first barrier is longer than the distance from the side panel frame outer surface 412a to the second barrier. For example, in the example shown in FIG. 11 , the position of the first barrier may be defined as the position where the shield finger 64 contacts the side panel contact outer surface 412e. Furthermore, the position of the second barrier may be defined as the position where the gasket 410 contacts the door shield wall end surface 623c. In other words, the positions of the first barrier and the second barrier are different in the normal direction of the side panel frame outer surface 412a. Therefore, the intrusion and leakage of electromagnetic waves can be effectively suppressed.

[0079] The door shield 63 forms a space for accommodating servers. In other words, the door shield 63 forms the inner surface of the server rack 1. The door shield 63 includes a door shield main surface 63a and a door shield back surface 63b. The door shield main surface 63a faces the door main body back surface 61b of the door reinforcement 62. The door shield main surface 63a does not contact the door main body back surface 61b. In addition, the outer edge portion of the door shield main surface 63a is fixed to the door reinforcement shield frame 622. Specifically, the outer edge portion of the door shield main surface 63a contacts the door shield frame inner surface 622b.

[0080] <Rack Rear Door 7> The rack rear door 7 has a configuration generally similar to that of the rack front door 6. Therefore, a detailed description of the rack rear door 7 will be omitted.

[0081] <Effects> The server rack 1 includes a rack housing 11 that forms an arrangement space 1S in which a server is arranged, and a rack front door 6 that closes the arrangement space 1S. The rack housing 11 forms a rack opening 11S for accessing the arrangement space 1S and includes a first housing member against which a portion of the rack front door 6 is pressed, and a gasket 410 that is provided to surround the rack opening 11S and is deformable when another portion of the rack front door 6 is pressed. The rack front door 6 includes a shield finger 64 that is part of the rack front door 6 and is made of a conductive material that is elastically deformable when pressed against the first housing member, and a door reinforcement shield wall 623 that is another part of the rack front door 6 and elastically deforms the shield finger 64 when pressed against it.

[0082] This server rack 1 forms a first barrier against electromagnetic waves with the housing contact portions 220, 320, 420, which are first housing members, and the shield finger 64, which is the first door member. Furthermore, the server rack 1 forms a second barrier against electromagnetic waves with the gasket 410, which is the second housing member, and the door reinforcement shield wall 623, which is the second door member. As a result, electromagnetic waves are prevented from entering the interior from the outside through the rack opening 11S. Therefore, this server rack 1 can counter threats posed by strong electromagnetic waves emitted from outside.

[0083] The server rack of the present disclosure may be embodied in various forms, including the above-described embodiment, with various modifications and improvements made based on the knowledge of those skilled in the art. Furthermore, modified versions may be constructed by utilizing the technical matters described in the above-described embodiment.

[0084] 1...server rack, 1S...arrangement space, 11...rack housing, 6...rack front door (rack door), 11S...rack opening, 220, 320, 420...housing contact part (first housing member), 410...gasket (second housing member), 64...shield finger (first door member), 623...door reinforcement shield wall (second door member).

Claims

1. A server rack comprising: a rack housing that forms an arrangement space in which a server is placed; and a rack door for closing off the arrangement space, wherein the rack housing has: a first housing member that forms an opening for accessing the arrangement space and against which a part of the rack door is pressed; and a second housing member that is arranged to surround the opening and is deformable when another part of the rack door is pressed against it, and wherein the rack door has: a first door member that is part of the rack door and is made of a conductive material that is elastically deformable when pressed against the first housing member; and a second door member that is another part of the rack door and is pressed against the second housing member, causing the second housing member to elastically deform.

2. A server rack as described in claim 1, wherein the rack housing includes a housing main surface that includes the opening, and the distance from the position where the first door member and the first housing member contact to the housing main surface is longer than the distance from the position where the second door member and the second housing member contact to the housing main surface.

3. A server rack as described in claim 2, wherein the first housing member has an opening main surface against which the first door member is pressed and an opening end surface facing in a direction intersecting the normal direction of the opening main surface, the second door member has a door member end surface abutting the second housing member and a door member side surface facing in a direction intersecting the normal direction of the door member end surface, and the opening main surface is spaced apart from the housing main surface along the normal direction of the housing main surface.

4. A server rack as described in claim 2, wherein the first housing member has an opening main surface against which the first door member is pressed and an opening end surface facing in a direction intersecting the normal direction of the opening main surface, and the second door member has a door member end surface abutting the second housing member and a door member side surface facing in a direction intersecting the normal direction of the door member end surface, and the opening end surface faces the door member side surface.

5. The server rack according to claim 3, wherein the opening end face is spaced apart from the door member side face.

6. The server rack according to claim 1, wherein the rack housing has an inner wall member that forms the arrangement space, and the surface of the first housing member against which the first door member is pressed is a part of the inner wall member.

7. A server rack as described in claim 1, wherein the first housing member has an opening main surface against which the first door member is pressed and an opening end surface facing in a direction intersecting the normal direction of the opening main surface, and the second door member has a door member end surface abutting the second housing member and a door member side surface facing in a direction intersecting the normal direction of the door member end surface, and the contact area between the opening main surface and the first door member is larger than the contact area between the door member end surface and the second housing member.

8. The server rack according to claim 1, wherein the rack housing includes a bus bar connection portion to which a bus bar for electrical grounding is connected.

9. The server rack according to claim 1, wherein the rack housing includes intake and / or exhaust openings for intake and / or exhaust, the intake and exhaust openings are covered with a cover including a honeycomb panel structure, and the cover is fixed to the rack housing with 10 or more screws.

10. A server rack as described in claim 1, wherein the rack housing further has a wall side panel that forms the outer side of the rack housing, and an inner wall member that forms the arrangement space and is made of a material different from the material that makes up the wall side panel.

11. The server rack according to claim 10, wherein the surface of the first housing member against which the first door member is pressed is a part of the inner wall member.

12. The server rack according to claim 11, wherein the second housing member is attached to the wall side panel.

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