JP2011185544A - Rack air conditioning device for heat generating apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rack air conditioning device arranged in a data center etc., which eliminates the necessity of a dedicated member to surround a cold aisle and intensifies a partial air conditioning load with respect to a target rack row and has high space efficiency and high extendability. <P>SOLUTION: In the rack air conditioning device, two rack rows 3a, 3b in which a plurality of racks 2 storing heat generating apparatuses are arranged in line are disposed at an interval so that the longitudinal directions are oppose to each other. A ventilation part 5 is constituted, on a floor 4 in a space C, between the two rack rows 3a, 3b. Air conditioning air from underfloor blowout air conditioners 6 is supplied from an underfloor space 7 to the lower part of the space C via the ventilation part 5. The upper part of the space S between the two rack rows 3a, 3b is closed by air conditioning ducts 9a, 9b having air supply ports 8a, 8b on the lower side, and air conditioning air is supplied from intensifying air conditioners 10a, 10b to the air conditioning ducts 9a, 9b, to supply the air conditioning air to the space C also from the upper part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a rack air conditioner for accommodating a large number of heat generating devices such as a server room and a data center.

  In a server room or a data center, in order to stably operate a large number of servers mounted on a server rack or the like, it is necessary to efficiently and reliably cool a server as a heat generating device.

  For this reason, in a conventional data center rack air conditioner, a rack row in which racks with servers mounted are arranged on a double floor, and the conditioned air from the under-floor air conditioner passes through the under-floor space space in the server rack. The floor blowout air conditioning system, which supplies to the server and cools the server, is the mainstream. In this case, air-conditioning efficiency is improved by arranging each space called a cold aisle on the air suction side to the rack and a hot aisle on the air discharge side from the rack between adjacent rack rows. Ingenuity has been made.

  And in order to make the effect by such arrangement more reliable, in order to prevent the air discharged to the cold aisle side from flowing into the hot aisle side and being mixed with the conditioned air, Measures such as enclosing the hot aisle with dedicated members such as panels, boards, curtains, etc. are considered.

  For example, in Patent Document 1, in order to prevent the air discharged to the cold aisle side from flowing into the hot aisle side and being mixed with the conditioned air, the upper part of the cold aisle or the hot aisle is covered with a roof-like shield. It has a configuration.

  In Patent Document 2, the upper part of the cold aisle or hot aisle is covered with a roof-like shield, and a plate material is provided at the upper part of the rack row, or a wall body for blocking the passage is provided at the end of the cold aisle or hot aisle. It has a configuration.

  Moreover, in patent document 3, it is set as the structure where the space | interval between two rack rows was made into hot aisle, the upper part was obstruct | occluded with the duct for exhaust, and the longitudinal direction edge part was obstruct | occluded with the wall surface body.

JP 2005-260148 A JP 2004-184070 A JP 2010-2143 A

The conventional rack air conditioner as described above has the following problems.
1. In order to enclose the cold aisle or hot aisle, a special member such as a panel, a board, or a curtain is required.
2. It is common for the entire room to be a floor-blowing air conditioning system, and since the entire room is planned as a uniform air conditioning load, it is difficult to partially increase the air conditioning load for the target rack row. is there.
3. Equipment such as air conditioners, power supply / communication panels, etc. are distributed at locations away from the rack row, so space efficiency is poor and expandability is low.

  The problem to be solved by the present invention is to solve the above problems.

  In order to solve the above-described problems, first, in the present invention, two rows of rack rows in which a plurality of racks for accommodating heat generating devices are arranged are arranged with their longitudinal directions facing each other, and the two rows are arranged. The two rows of racks are configured such that a ventilation portion is formed on the floor of the space between the rack rows in the row, and the conditioned air from the underfloor blower air conditioner is supplied from the underfloor space to the lower portion of the space through the ventilation portion. The upper part of the space between the rows is closed by an air conditioning duct provided with an air supply port on the lower side, and the air conditioning air is supplied from the reinforcing air conditioner to the air conditioning duct, and the air conditioning air is also supplied to the space from the upper part. We propose a rack air conditioner for heating equipment.

  Further, in the present invention, in the above configuration, the augmenting air conditioner is configured as an underfloor air conditioner, and is configured to supply conditioned air from a chamber configured in the underfloor space to the air conditioning duct through the duct space. A rack air conditioner is proposed.

  The present invention also proposes a rack air conditioner for a heat generating device in which the duct space is replaced with a part of the rack in the above configuration.

  The present invention also proposes a rack air conditioner for a heat generating device that is arranged apart from the longitudinal end of the space between the two rack rows in the above configuration.

  Further, in the present invention, in the above configuration, the augmentation air conditioner is disposed at the longitudinal end portion of the space between the two rows of racks, and the rack for the heat generating device is configured with the duct space adjacent to the inside of the space. Propose an air conditioner.

  Further, in the present invention, in the above configuration, the augmentation air conditioner is disposed in the center of the two rows of racks, and is used for a heat generating device having a duct space adjacent to the inside of the space between the two rows of racks. A rack air conditioner is proposed.

  According to the present invention, in the above configuration, the longitudinal end of the space between the two rack rows is closed by a door or a closing means such as a power supply / communication panel that can supply power to and communicate with each rack in the rack row. A rack air conditioner with a configuration is proposed.

  In the rack air conditioner of the present invention, the upper part of the space between the two rows of racks is closed by an air conditioning duct having an air supply port on the lower side, and this air conditioning duct is a two-row rack as a so-called cold aisle. Since it functions as a means for enclosing the space between the columns, the air conditioning efficiency can be improved, and a dedicated member for enclosing is unnecessary.

  In the above configuration, the conditioned air from the underfloor air conditioner is supplied from the lower part of the space through the vent from the underfloor space, and the conditioned air from the augmenting air conditioner is supplied from the air conditioning duct through the air supply port to the space. Supplied at the top. The conditioned air supplied into the space in this manner is sucked by a fan (not shown) provided in each rack, flows through the rack, cools the heat-generating equipment mounted, and then enters the outside of the rack. Discharged.

  In the rack air conditioner of the present invention, as described above, an air conditioning system that supplies conditioned air to the lower part of the space from the underfloor space through the vent by the underfloor air conditioner and between the two rows of racks by the reinforcing air conditioner. Since the air conditioning system that supplies the conditioned air to the upper part of the space through the air supply port from the air conditioning duct that closes the upper part of the space is combined, the former air conditioning system that is planned to have a uniform air conditioning load for the entire room is a partial In contrast to the conventional high-load air conditioning, high-load air-conditioning can be performed on any target rack row by using the latter air-conditioning method together.

  The augmentation air conditioner uses a normal underfloor blower air conditioner to supply conditioned air to the air conditioning duct through the duct space from the chamber constructed in the underfloor space. Even when arranged apart from the longitudinal end of the space between the rack rows, it is not necessary to install a duct from the reinforcing air conditioner to the air conditioning duct in the upper part. The duct space can be easily configured in place of some racks.

  When an underfloor air conditioner as an augmenting air conditioner is placed at the longitudinal end of a space between two rows of racks and a duct space is formed adjacent to the inside of the space, these duct spaces and Since the augmenting air conditioner functions as a closing means for closing the longitudinal end portion of the space between the two rows of racks, a dedicated closing means becomes unnecessary.

  Further, the augmenting air conditioner can be arranged in the center of the two rows of racks to form a duct space adjacent to the inside of the space between the two rows of racks. In this case, the end in the longitudinal direction of the space between the two rows of racks can be used as a closing means by using a door or a power supply / communication panel that can supply and communicate with each rack in the rack row. A dedicated closing means is not required, and space efficiency can be increased.

  The rack air conditioner of the present invention can be installed in an installation room by combining an appropriate number of sets, and a rack air conditioner of an appropriate scale can be easily configured, and has high expandability.

FIG. 1 is a schematic perspective view showing a first embodiment of a rack air conditioner according to the present invention. FIG. 2 is a schematic diffusion diagram showing the first embodiment of the rack air conditioner according to the present invention. FIG. 3 is a plan view showing a first embodiment of a rack air conditioner according to the present invention. FIG. 4 is a diffusion plan view showing the first embodiment of the rack air conditioner according to the present invention. FIG. 5 is an enlarged view of a main part of FIG. 6 is a cross-sectional view taken along line AA in FIG. 7 is a cross-sectional view taken along line BB in FIG. 8 is a cross-sectional view taken along the line CC of FIG. FIG. 9 is a schematic perspective view showing a second embodiment of the rack air conditioner according to the present invention. FIG. 10 is a schematic diffusion diagram showing a second embodiment of a rack air conditioner according to the present invention. FIG. 11 is a plan view showing a second embodiment of the rack air conditioner according to the present invention. FIG. 12 is a diffusion plan view showing a second embodiment of the rack air conditioner according to the present invention. FIG. 13 is a schematic perspective view showing a third embodiment of a rack air conditioner according to the present invention. FIG. 14 is a schematic diffusion diagram showing a third embodiment of a rack air conditioner according to the present invention. FIG. 15 is a plan view showing a third embodiment of a rack air conditioner according to the present invention. FIG. 16 is a diffusion plan view showing a third embodiment of the rack air conditioner according to the present invention.

Next, embodiments of the present invention will be described with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the corresponding component in each figure.
First, FIGS. 1-8 shows 1st Embodiment of the rack air conditioner of this invention. In the figure, reference numeral 1 generally indicates a rack air conditioner. In this rack air conditioner 1, two rows of rack rows 3a and 3b in which a plurality of racks 2 that accommodate heating devices (not shown) such as servers are arranged in a row. Are arranged with their longitudinal directions facing each other and spaced apart, and a ventilation portion 5 is formed in the floor 4 of the space C between the two rows of rack rows 3a and 3b, The conditioned air is supplied from the underfloor space 7 to the lower portion of the space C through the ventilation portion 5. Further, the upper portion of the space C between the two rack rows 3a and 3b is closed by placing air conditioning ducts 9a and 9b provided with air supply ports 8a and 8b on the lower side, and this air conditioning duct 9a, Air conditioning air is supplied from the augmenting air conditioners 10a and 10b to 9b, and the air conditioning air is also supplied from above the space C through the air supply ports 8a and 8b.

  In this embodiment, the augmenting air conditioners 10a and 10b are configured as underfloor air conditioners, and the conditioned air is transferred from the chambers 11a and 11b formed in the underfloor space 7 to the air conditioning ducts 9a and 9b through the duct spaces 12a and 12b. It is configured to supply. The duct spaces 12a and 12b are configured in place of one rack 2 in each rack row 3a and 3b. In addition, the structure of the duct which connects chamber 11a, 11b and air-conditioning duct 9a, 9b is appropriate, and duct space 12a, 12b itself can also be comprised as a duct, as typically shown in FIG.

  Reference numerals 13a and 13b denote power supply / communication panels that can supply power to and communicate with each rack 2 of the rack rows 3a and 3b. The power supply / communication panels 13a and 13b block the longitudinal ends of the rack rows 3a and 3b. It arrange | positions in this way and it is comprised so that it may function as a block means of the space C. Accordingly, the space C between the two rack rows 3a and 3b is configured as a closed space in which the upper portion is closed by the air conditioning ducts 9a and 9b and the longitudinal ends are surrounded by the power / communication panels 13a and 13b. . Therefore, a dedicated closing member such as a plate for closing the space C to be a closed space is not necessary.

  In order to allow entry into and exit from the enclosed space C, entrances 14a and 14b having doors are provided in part of the rack rows 3a and 3b in place of the rack 2. In this embodiment, the entrances 14a and 14b are provided in both the rack rows 3a and 3b.

  In the above configuration, the conditioned air from the underfloor air conditioner 6 is supplied from the lower part of the space C through the vent 5 from the underfloor space 7 as shown in FIGS. Is supplied from the chambers 11a and 11b formed in the underfloor space 7 to the air conditioning ducts 9a and 9b through the duct spaces 12a and 12b, and is supplied to the upper portion of the space through the air supply ports 8a and 8b. The conditioned air supplied in the space C thus enclosed is sucked by a fan (not shown) provided in each rack 2 and flows through the rack 2, and the mounted heat generating device has high air conditioning efficiency. After being cooled at, it is discharged outside the rack 2.

  As described above, in the rack air conditioner of the present invention, the air conditioning system that supplies the conditioned air to the lower part of the space C between the two rows of racks 3a and 3b from the underfloor space 7 through the ventilation portion 5 by the underfloor air conditioner 6. The air conditioner 10a, 10b is combined with the air conditioning system for supplying the conditioned air to the upper part of the space C through the air supply ports 8a, 8b from the air conditioning ducts 9a, 9b closing the upper part. Only the former air-conditioning system planned as a heavy-duty air-conditioning load cannot cope with partial high-load air-conditioning, and thus requires a large-capacity air-conditioning capacity corresponding to the high-load air-conditioning part. In the invention, by using the latter air-conditioning method in combination, it becomes possible to perform high-load-compatible air conditioning for any target rack row, and there is no need to increase the air-conditioning capacity of the former air-conditioning method. That.

  In this embodiment, the augmenting air conditioners 10a and 10b are configured as underfloor blow-out air conditioners, and the conditioned air is supplied from the chambers 11a and 11b formed in the underfloor space 7 through the duct spaces 12a and 12b. 9b, the reinforcing air conditioners 10a and 10b are arranged away from the longitudinal end of the space C between the two rack rows 3a and 3b as shown in FIGS. Even in this case, there is no need to install a duct from the air conditioners 10a and 10b for enhancement to the air conditioning ducts 9a and 9b in the upper part. The duct spaces 12a and 12b can be easily configured in place of some of the racks 2.

  Next, FIGS. 9 to 12 show a second embodiment of the rack air conditioner of the present invention. In the figure, the same reference numerals are given to the same components as those of the first embodiment. A duplicate description is omitted. In this embodiment, the underfloor blowing air conditioners as the augmenting air conditioners 10u and 10v are arranged at the longitudinal end of the space C between the two rack rows 3a and 3b, and are adjacent to the inside of the space. Spaces 12u and 12v are configured. The power supply / communication panels 13a, 13b are adjacent to both sides of the augmenting air conditioners 10u, 10v and the duct spaces 12u, 12v, and the surfaces of the power supply / communication panels 13a, 13b and the rack rows 3a, 3b are on the same plane. Is arranged.

  On the other hand, the upper part of the space C is closed by air conditioning ducts 9u, 9v that form a pair in the width direction of the two rack rows 3a, 3b, corresponding to the duct spaces 12u, 12v. Accordingly, the upper part of the space C between the two rack rows 3a and 3b is closed by the air conditioning ducts 9u and 9v, and the longitudinal ends thereof are closed by the reinforcing air conditioners 10u and 10v and the duct spaces 12u and 12v. It is configured as a closed space surrounded by.

  Therefore, the air-conditioning efficiency is good, and a dedicated closing member such as a plate for closing the end in the longitudinal direction is not necessary, and the reinforcing air conditioners 10u and 10v and the power / communication panels 13a and 13b are arranged in a rack row. Since it is arranged integrally with 3a and 3b, space efficiency is good.

  Also in this embodiment, the conditioned air from the augmenting air conditioners 10u, 10v is supplied from the chambers 11u, 11v formed in the underfloor space 7 to the air conditioning ducts 9u, 9v via the duct spaces 12u, 12v.

  In the above configuration, the conditioned air from the underfloor air conditioner 6 is supplied from the lower part of the space C through the vent (not shown) from the underfloor space 7 as in the first embodiment. The conditioned air from 10u and 10v is supplied to the air conditioning ducts 9u and 9v from the chambers 11u and 11v formed in the underfloor space 7 through the duct spaces 12u and 12v, respectively, and the upper part of the space C through the air supply ports 8u and 8v. To be supplied. The conditioned air thus supplied into the space C is sucked by a fan (not shown) provided in each rack 2, flows through the rack 2, and cools the mounted heating device, It is discharged outside the rack 2.

  As a modification of the second embodiment, the conditioned air from the augmenting air conditioners 10u, 10v can be directly supplied to the air conditioning ducts 9u, 9v.

  Next, FIGS. 13 to 16 show a third embodiment of the rack air conditioner of the present invention. In the figure, the same components as those in the first embodiment are denoted by the same reference numerals. A duplicate description is omitted. In this embodiment, the underfloor blowing air conditioners as the augmenting air conditioners 10a and 10b are arranged in the center of the two rows of rack rows 3a and 3b, and the inside of the space C between the two rows of rack rows 3a and 3b. The duct spaces 12a and 12b are adjacent to each other, and corresponding to the duct spaces 12a and 12b, the duct spaces 12a and 12b are closed by air-conditioning ducts 9a and 9b that form a pair in the longitudinal direction of the two rack rows 3a and 3b. Yes. On the other hand, similarly to the first embodiment, the power supply / communication panels 13a and 13b are arranged at the longitudinal ends of the rack rows 3a and 3b so as to function as a closing means for the space C. . Accordingly, the space C between the two rack rows 3a and 3b is configured as a closed space in which the upper portion is closed by the air conditioning ducts 9a and 9b and the longitudinal ends are surrounded by the power / communication panels 13a and 13b. Yes.

  Therefore, the air-conditioning efficiency is good also in this embodiment, and a dedicated closing member such as a plate for closing the rack rows 3a and 3b is not necessary, and power supply / communication with the reinforcing air conditioners 10a and 10b is not necessary. Since the boards 13a and 13b are arranged integrally with the rack rows 3a and 3b, space efficiency is good.

  Also in this embodiment, the conditioned air from the reinforcing air conditioners 10a and 10b is supplied from the chambers 11a and 11b formed in the underfloor space 7 to the air conditioning ducts 9a and 9b through the duct spaces 12a and 12b.

  In the above configuration, the conditioned air from the underfloor air conditioner 6 is supplied from the lower part of the space C through the vent (not shown) from the underfloor space 7 as in the first embodiment. Air-conditioned air from 10a and 10b is supplied to the air-conditioning ducts 9a and 9b from the chambers 11a and 11b formed in the underfloor space 7 through the duct spaces 12a and 12b, respectively, and the upper part of the space C through the air supply ports 8a and 8b. To be supplied. The conditioned air thus supplied into the space C is sucked by a fan (not shown) provided in each rack 2, flows through the rack 2, and cools the mounted heating device, It is discharged outside the rack 2.

  As a modification of the third embodiment, the conditioned air from the augmenting air conditioners 10a and 10b can be directly supplied to the air conditioning ducts 9a and 9b.

  The rack air conditioner of the present invention described in detail above can be installed in an installation room by combining an appropriate number of sets, a rack air conditioner of an appropriate scale can be easily configured, and has high expandability. In that case, the underfloor blowing air conditioner for supplying the conditioned air from the underfloor space to the lower part of the space between the two rows of racks through the ventilation section may be configured in common for a plurality of sets of rack air conditioners. The number of installations can be appropriately configured.

DESCRIPTION OF SYMBOLS 1 Rack air conditioner 2 Rack 3a, 3b Rack row 4 Floor 5 Ventilation part 6 Underfloor blowing air conditioner 7 Underfloor space 8a, 8b Air supply port 9a, 9b Air conditioning duct 10a, 10b Air conditioner 11a, 11b Chamber 12a, 12b Duct Space 13a, 13b Power supply / communication panel 14a, 14b Entrance / exit

Claims (9)

Two rows of racks in which a plurality of racks containing heat-generating devices are arranged are arranged with their longitudinal directions facing each other at an interval, and a ventilation portion is formed on the floor of the space between these two rows of racks The conditioned air from the underfloor blower air conditioner is supplied from the underfloor space to the lower portion of the space through the ventilation portion, and the upper portion of the space between the two rows of racks is provided with the air supply port on the lower side. A rack air conditioner for a heating device, wherein the air conditioning duct is closed by an air conditioning duct provided with air conditioning air, and air conditioning air is supplied to the air conditioning duct from an augmenting air conditioner, and the air conditioning air is also supplied to the space from above. . The heating air conditioner according to claim 1, wherein the augmenting air conditioner is configured as an underfloor air conditioner, and is configured to supply conditioned air from a chamber configured in the underfloor space to the air conditioning duct through the duct space. Rack air conditioner. The rack air conditioner for a heat-generating device according to claim 2, wherein the duct space is configured in place of some racks. The rack air conditioner for heat-generating equipment according to any one of claims 1 to 3, wherein the augmenting air conditioner is disposed away from the longitudinal end of the space between the two rack rows. The reinforcing air conditioner is arranged at a longitudinal end portion of a space between two rows of racks, and forms a duct space adjacent to the inside of the space. A rack air conditioner for a heating device as described in 1. The augmenting air conditioner is arranged in the center of the two rows of racks and forms a duct space adjacent to the inside of the space between the two rows of racks. 2. A rack air conditioner for a heat generating device according to item 1. The rack air conditioner for a heat generating device according to claim 1, wherein a longitudinal end portion of a space between two rows of rack rows is closed by a closing means. The rack air conditioner for a heat generating device according to claim 7, wherein the closing means is a door. The rack air conditioner according to claim 7, wherein the closing means is a power supply / communication panel capable of supplying power to and communicating with each rack of the rack row.

Images