JP6083312B2 - Enclosure unit storage rack - Google Patents

Description

  The present invention relates to a housing unit storage rack that stores a plurality of housing units stacked one above the other, and more particularly to a housing unit storage rack that improves heat exhaust efficiency for each housing unit.

  For example, in a power facility such as an uninterruptible power supply, a plurality of casing units such as a power conversion unit, which is the basic unit, are often stacked and stored in a casing unit storage rack. Moreover, the main-body part in this kind of housing | casing unit (power conversion unit) generally emits a lot of heat with the operation | movement. For this reason, the casing unit is usually provided with a heat radiating fan for letting air flow through the casing unit and releasing heat generated from the main body to the outside of the casing unit. Therefore, in the housing unit storage rack that stores a plurality of housing units of this type, it is important to efficiently exhaust heat to the housing units.

  Incidentally, conventionally, a wind guide chamber that communicates with each of a plurality of stages of storage units in the housing unit storage rack is provided to communicate with each other vertically, a blower fan is provided at the outlet of the uppermost wind guide chamber, and the lowermost stage is provided. It has been proposed to provide an exhaust fan at the exhaust duct connection port of the air guide chamber. Further, it has been proposed that a wind regulation plate is provided in each of the air guide chambers, and that the ratio of the cross sectional area of the exhaust air is sequentially reduced from the upper side toward the lower side so that the exhaust air amount at each stage is substantially equal (for example, (See Patent Document 1).

JP 2005-268546 A

  However, in the storage rack structure disclosed in Patent Document 1, it is necessary to forcibly guide the exhaust air (heated exhaust air) having heat discharged from each spherical unit to an exhaust duct provided at the lower stage of the storage rack. is there. Moreover, there is a problem that the structure becomes large and complicated because it is necessary to change the ratio of the passage cross-sectional area of the exhaust air by using the air conditioning plate and thereby make the exhaust air amount of each stage substantially equal.

  The present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a housing unit storage rack having a simple configuration capable of enhancing the heat exhaust efficiency for a plurality of housing units stacked and stored in the vertical direction. There is to do.

In order to achieve the above-described object, the housing unit storage rack according to the present invention includes:
A rack body for storing a plurality of casing units stacked one above the other;
A plurality of wind tunnel bodies that are provided opposite to the back surfaces of the plurality of housing units accommodated in the rack body and guide the warm exhaust air discharged from the housing units to the inner space of the rack body; Each of the plurality of wind tunnel bodies is provided on a rear end surface on the opposite side to the opening facing the back surface of each housing unit, and warm exhaust air introduced into each wind tunnel body is transferred to the back space of the rack body. It is characterized by having exhaust fins that discharge toward different parts in the width direction.

  The plurality of wind tunnel bodies preferably have a depth length sequentially shortened from the lower side to the upper side of the rack body. Each of the wind tunnel bodies has a structure in which the rear end face is inclined toward the upper side of the rack body.

  The exhaust fin preferably discharges the warm exhaust air in the width direction of the rack body. The exhaust fins are provided symmetrically in pairs in the width direction of the rack body and discharge the warm exhaust air toward both sides of the inner space of the rack body, The exhaust heat fins provided in pairs in each wind tunnel body are provided by increasing the width between the pairs in order from the upper stage side to the lower stage side of the rack body.

  In addition, it is preferable that the said wind tunnel body is equipped with the air conditioning body which guides the said warm exhaust air toward the said exhaust fin in the wind tunnel body.

  According to the housing unit storage rack having the above-described configuration, the warm exhaust air discharged from the plurality of housing units that are stored one above the other is racked by the wind tunnel body and the exhaust heat fins provided in the wind tunnel body. It can discharge | emit toward a mutually different site | part in the width direction of the back space of a main body. Therefore, the air flow of the warm exhaust air discharged from each housing unit can be formed upward without interfering with each other in the inner space of the rack body.

  Therefore, coupled with the fact that the warm exhaust air is easy to form an updraft, the warm exhaust air discharged from each housing unit toward the exhaust heat port provided at the upper part of the rack body can be simplified. And it can guide efficiently. In addition, since it is only necessary to appropriately determine the depth length and rear end face inclination of each wind tunnel body and the position where each exhaust fin is provided, the structure is simple and can be realized at a low cost. A great effect is produced.

The side surface structure figure showing the principal part schematic structure of the case unit storage rack concerning one embodiment of the present invention. The external view which shows an example of a housing | casing unit. The figure which shows the structure of a wind tunnel body, and the example of the wind regulation body provided in this wind tunnel body. The figure which shows the example of arrangement | positioning of the ventilation fin provided in the rear-end surface of a wind tunnel body.

  Hereinafter, a housing unit storage rack according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a side structural view showing a schematic configuration of a main part of a housing unit storage rack 1 according to an embodiment of the present invention. The housing unit storage rack 1 is mainly composed of a so-called 19-inch rack main body 2 compliant with, for example, the EIA standard. The rack main body 2 has a size of, for example, a height of about 190 cm (42 U), for example, capable of accommodating a plurality of 4U-size housing units 3 having a height of 7 inches (approximately 179 mm) stacked vertically. Consists of things. The 4U size refers to the size of the housing unit 3 having a height four times the basic unit size (1U) determined as 1.75 inches (approximately 44.45 mm).

  The rack body 2 generally includes a frame body that includes four support columns and is framed in a rectangular parallelepiped shape, and a panel body that is provided to cover both side surfaces, the back surface, and the top and bottom surfaces of the frame body, And a front door provided to be openable and closable on the front side of the frame body. A panel body (upper panel) 2a provided on the upper surface of the rack body 2 has an air exhaust port 2b for releasing hot air discharged from the housing unit 3 housed in the rack body 2 to the outside. Provided. An exhaust fan 4 for forcibly discharging the hot air to the outside is provided at the exhaust port 2b as appropriate.

  On the other hand, the said housing | casing unit 3 consists of power conversion units which construct | assemble electric power facilities, such as an uninterruptible power supply device, for example. When constructing the uninterruptible power supply, a plurality (for example, five) of the casing units (power conversion units) 3 are stacked in the vertical direction and mounted on the rack body 2 according to the power capacity. The plurality of housing units 3 are housed in the rack body 2 by, for example, being detachably attached to the frame body from the front side of the rack body 2.

  Here, the case unit 3 will be briefly described. For example, as shown in FIG. 2A, the front side of the case unit 3 is schematically shown, and the case unit 3 has a blower fan 3a on the front side thereof. Prepare. Further, on the back side of the housing unit 3, an air exhaust port 3b is provided as shown in FIG. In the figure, 3c is an angle member for attaching the casing unit 3 to the rack body 2, and 3d is a connector for electrical connection of the casing unit 3.

  The blower fan 3 a forcibly introduces air into the housing unit 3 to cool an electric circuit unit (not shown) such as a power converter installed in the housing unit 3. To play a role. The air exhaust port 3b is introduced into the housing unit 3 and plays a role of discharging the air heated by cooling the electric circuit unit to the outside as the warm air exhaust. The warm exhaust air is discharged from the exhaust port 3b by an air flow formed by the blower fan 3a.

  Now, the housing unit storage rack 1 according to the embodiment of the present invention stores a plurality of (in this example, 5) housing units 3 stacked one above the other (see FIG. 1). The housing unit storage rack 1 includes a plurality of wind tunnel bodies 5 provided to face the back surfaces of the plurality of housing units 3 housed in the rack body 2 inside the rack body 2. Therefore, these wind tunnel bodies 5 are provided so as to overlap in order in the vertical direction of the rack body 2 corresponding to the storage positions of the respective housing units 3 in the rack body 2. In addition, instead of providing these wind tunnel bodies 5 in the rack body 2, they may be integrally attached to the back surface portions of the respective housing units 3.

  FIG. 3 shows a cross-sectional structure of the wind tunnel body 5 as viewed from above. Each of the wind tunnel bodies 5 is formed with a rectangular ventilation duct having a size of, for example, 4U that matches the size of the casing unit 3, and the warm exhaust air discharged from the back surface of the casing unit 3 is It plays a role of guiding to the inner space A of the rack body 2. In particular, the depth length D of each of the wind tunnel bodies 5 is formed so as to be shorter from the lower side to the upper side of the rack body 2 as shown in FIG.

  In addition, the rear end surface 5a opposite to the opening facing the back surface of each housing unit 3 of each wind tunnel body 5 is inclined by a predetermined angle θ toward the upper side of the rack body 2 (see FIG. 1). In particular, the inclination angle θ of each of the rear end surfaces 5a of the plurality of wind tunnel bodies 5 stacked in the vertical direction is set so as to form a single plane that is inclined toward the inner space A with the surface positions thereof aligned. Has been.

  Further, on the rear end face 5a of each wind tunnel body 5, as shown in FIG. 3, the warm exhaust air introduced into each wind tunnel body 5 is applied to different parts in the width direction in the inner space A of the rack body 2. Exhaust fins 6 for discharging toward each other are provided. Each of these wind exhaust fins 6 is formed of a piece portion that is cut and raised by forming a slit-like opening extending in the vertical direction in a part of the rear end surface 5a of each of the wind tunnel bodies 5. The size and shape of the pieces forming the exhaust fin 6 and the number thereof are determined according to the exhaust (exhaust heat) specifications of the housing unit 3.

  Incidentally, the exhaust fins 6 provided in the respective wind tunnel bodies 5 are provided symmetrically in pairs with a predetermined distance W in the width direction of the respective wind tunnel bodies 5 as shown in FIG. The exhaust fins 6 paired to the left and right deflect the warm exhaust air guided into the wind tunnel bodies 5 in the width direction of the rack body, particularly toward both sides of the rack body 2. And plays a role of discharging into the back space A.

In particular, each of the exhaust fins 6 provided in each of the wind tunnel bodies 5 is arranged from the upper side to the lower side of the rack body 2 as shown in FIG. 4 when the wind tunnel bodies 5 are viewed from the back side. The width (distance) W between the pairs is set so as to increase in order. Specifically the exhaust air fins ₆₁ provided in the air channel 5 ₁ uppermost, so as to discharge the warm exhaust air in a substantially central portion of the inner portion space A, width between the pair (distance) W ₁ is provided with the narrowest. Also as the air discharge fins 6 _{2-6 4} respectively provided air channel 5 _{2-5 4} of the lower stage, for discharging the warm exhaust air outside the exhaust air fins 6 of the upper, the pairs The width W is provided wider than the width W between the pair of upper exhaust fins 6 by a predetermined width. And the exhaust air fins 6 ₅ provided on the air channel 5 ₅ the lowermost, to discharge the warm exhaust air to the outermost of the inner portion space A, provided the most the width W ₅ between the pairs It is done.

  Due to the arrangement positional relationship of the exhaust fins 6, the warm exhaust air discharged from each of the exhaust fins 6 is in the width direction in the inner space A of the rack body 2 as indicated by an arrow in FIG. It flows without interfering with each other while forming an updraft in different areas. And it is discharged | emitted outside from the ventilation port 2b opened to the panel body 2a which covers the upper surface of the said rack main body 2. FIG.

  In order to guide the warm exhaust air discharged from the housing unit 3 and introduced into the wind tunnel body 5 toward the exhaust fins 6, for example, as shown in FIG. For example, it is also preferable to provide a triangular air conditioner 7. The size and shape of the air conditioning body 7 are set so that the warm exhaust air is efficiently discharged through the exhaust fins 6 according to the position where the exhaust fins 6 are provided.

Thus, according to the housing unit storage rack 1 configured to include the wind tunnel body 5 as described above, the depth length D of the plurality of wind tunnel bodies 5 (5 _{1 to} 5 ₅ ) provided to be stacked one above the other is the lower wind tunnel. towards the body 5 ₅ air channel 5 ₁ of the upper are sequentially set shorter. Accordingly, the hot air discharged from each of the wind tunnel bodies 5 to the back space A of the rack body 2 is blown into different regions in the depth direction of the back space A to form an ascending air flow.

Moreover, the formation position of the exhaust fins 6 (6 _{1 to} 6 ₅ ) provided on the rear end face 5a of each of the wind tunnel bodies 5 (5 _{1 to} 5 ₅ ), that is, the width W between the upper and lower wind tunnel bodies 5 It is sequentially widely set toward the air channel 5 ₅ of the lower from _1. Accordingly, the hot air discharged from each of the wind tunnel bodies 5 (5 _{1 to} 5 ₅ ) into the back space A of the rack body 2 is blown out to different regions in the width direction of the back space A and rises. Form a flow.

  Therefore, in the back space A, the hot air discharged from each housing unit 3 forms an air flow that rises without interfering with each other, and is provided in the upper panel 2a of the rack body 2. It is guided to the air vent 2b and discharged to the outside. Accordingly, the hot air discharge efficiency can be increased, and the hot air discharged from the lower casing unit 3 does not cause a problem that the cooling efficiency of the upper casing unit 3 is hindered. .

  In particular, as described above, the rear end surface 5a of each wind tunnel body 5 forms a surface that can be regarded as one continuous inclined surface that is inclined upward, and is thus discharged from each wind tunnel body 5 respectively. Interference between the heated hot air can be prevented more effectively. Therefore, coupled with the difference in the formation position of the exhaust fins 6, the hot air discharged from each housing unit 3 can be easily and effectively discharged to the outside. Moreover, since it is only necessary to provide the wind tunnel body 5 having the simple configuration described above, the housing unit storage rack 1 can be realized at a low cost without incurring a complicated structure. Played.

  The present invention is not limited to the embodiment described above. For example, here, an example in which an air flow is formed by the blower fan 3a provided on the front side of the casing unit 3 to cool the casing unit 3 has been shown. It may be provided to cool the housing unit 3. Alternatively, the housing unit 3 itself does not include a fan, and heat accumulated in the housing unit 3 due to an air flow generated by, for example, the exhaust fan 4 provided in the rack body 2 is It may be discharged as wind.

  Further, it is also useful to set the exhaust fins 6 so as to be inclined obliquely toward the upper side of the rack body 2 so that an air flow rising in the back space A is positively formed. . Further, when the 4U-sized casing unit 3 and the 8U-sized casing unit, for example, are stacked and stored, the wind tunnel body 5 corresponding to the 8U-sized casing unit may be prepared. However, the 4U-size wind tunnel body 5 may be provided in two stages so as to face the back surface of the 8U-size housing unit. In addition, the present invention can be variously modified and implemented without departing from the scope of the invention.

1 housing unit Rack 2 Rack body 2a upper panel 2b exhaust outlet 3 housing units 3a blower fan 3b exhaust outlet 4 the exhaust fan 5 ₍₅ 1 _{to 5} 5) air channel 6 _{(6 through 65)} exhaust air fins 7 Air conditioner

Claims (6)

A rack body for storing a plurality of casing units stacked one above the other;
A plurality of wind tunnel bodies provided opposite to the back surfaces of the plurality of housing units housed in the rack body and guiding the warm exhaust air discharged from the housing units to the inner space of the rack body; Each of the plurality of wind tunnel bodies is provided on a rear end surface on the opposite side to the opening facing the back surface of each housing unit, and warm exhaust air introduced into each wind tunnel body is transferred to the back space of the rack body. A housing unit storage rack comprising exhaust fins for discharging air toward different portions in the width direction.   2. The housing unit storage rack according to claim 1, wherein the plurality of wind tunnel bodies are configured such that a depth length is sequentially shortened from a lower stage side to an upper stage side of the rack body.   2. The housing unit storage rack according to claim 1, wherein each of the plurality of wind tunnel bodies has a rear end surface inclined toward the upper side of the rack body.   The housing unit storage rack according to claim 1, wherein the exhaust fin discharges the warm exhaust air in a width direction of the rack body. The exhaust fins are provided symmetrically in pairs in the width direction of the rack body and discharge the warm exhaust air toward both sides of the inner space of the rack body,
2. The casing according to claim 1, wherein the exhaust heat fins provided in pairs in each of the wind tunnel bodies are configured such that the width between each pair is increased in order from the upper stage side to the lower stage side of the rack body. Unit storage rack.   The case unit storage rack according to any one of claims 1 to 5, wherein the wind tunnel body includes an air conditioning body that guides the warm exhaust air toward the exhaust fin in the wind tunnel body.

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