Data center air conditioning system

Abstract

The application discloses a data center air conditioning system, comprising a cold source device, a supply pipe, a return pipe and a backboard wall, wherein a plurality of backboard heat exchangers are arranged on the backboard wall and are backup to each other, when one backboard heat exchanger needs to be repaired due to failure, a standby backboard heat exchanger is started to realize uninterrupted operation and provide a reliable operation environment for servers in the data center. The data center air conditioning system can be used for different server racks, which can be standard cabinets or non-standard cabinets, or even can be effectively combined with server storage racks which are not cabinets. The backboard heat exchanger is provided with a hollow sleeve type rotating shaft, and a backboard heat exchanger connecting pipe is connected through the hollow sleeve type rotating shaft, so that the influence of displacement generated when the backboard heat exchanger is opened on the connecting pipe is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of data center air conditioning systems, mainly used for the heat dissipation of the server of data room cabinet. BACKGROUND

[0002] Data center air conditioning system is mainly applied to the cooling of the server in data room cabinet, and provides a suitable operating environment for IT equipment in data center, and the existing data center air conditioner has precision air conditioner, aisle air conditioner, backboard cooling door and various types, wherein the energy-saving effect of the backboard cooling door type data center air conditioning system is better.

[0003] Backboard cooling door is installed on the back of cabinet, and is closely combined with cabinet to become the back door of cabinet.Backboard cooling door needs to be configured one by one with server cabinet, and all backboard cooling doors must be in running state when used to solve the heat dissipation of each server in cabinet, if individual backboard cooling door fails, the heat dissipation of server in the corresponding cabinet will be affected, and the heat of the corresponding cabinet of the failed backboard cooling door will be discharged to the room space, which affects the room temperature, that is, backboard cooling door cannot be set as backup, which affects the reliability of backboard cooling door type data center air conditioning system.Backboard cooling door is installed at the back door of cabinet, and is affected by the type and size of cabinet, especially some non-standard cabinets, which need to be specially designed, which prolongs the project implementation time and increases the investment of human resources and cost. SUMMARY

[0004] The present application mainly solves the backup of backboard cooling door and the mutual influence with cabinet, and a new data center air conditioning system is developed.

[0005] The present application relates to a kind of data center air conditioning systems, and the data center air conditioning system includes cold source equipment, medium, supply pipe, return pipe and backboard wall, the backboard wall includes wall frame and backboard heat exchanger, the backboard heat exchanger is composed of heat exchanger core and wrapping shell, the heat exchanger core is fixed in the wrapping shell, the wrapping shell has air hole, the backboard heat exchanger is flat, the backboard heat exchanger is embedded in the wall frame of backboard wall, the heat exchanger core has inlet and outlet, the cold source equipment has supply port and return port, the inlet of heat exchanger core is connected with one end of supply pipe, the supply port of cold source equipment is connected with the other end of supply pipe, the outlet of heat exchanger core is connected with one end of return pipe, and the return port of cold source equipment is connected with the other end of return pipe, medium circulates in the system connected by cold source equipment, supply pipe, heat exchanger core and return pipe, and the cold quantity generated by cold source equipment is continuously brought to heat exchanger core, and the number of backboard heat exchanger included in backboard wall is more than 2, which can be used as backup, and the reliability of data center air conditioning system is enhanced.

[0006] The wall body frame of the backplane wall comprises a connecting member, which can be connected with the top of the server rack, adapt to different server racks, and facilitate the installation of the backplane wall. A sealing plate is arranged on the connecting member. An internal cavity is formed between the backplane wall and the server rack through the sealing of the sealing plate. The hot air after cooling the servers on the server rack converges in the internal cavity and is cooled when passing through the backplane heat exchanger. This sealing isolation method can avoid the mixing of the hot air with the cooler air in the computer room before being cooled, reduce the amount of air to be treated, improve the heat exchange temperature difference and heat exchange efficiency during the cooling treatment of the backplane heat exchanger, and is conducive to reducing the energy consumption of the air conditioning system of the data center. The sealing plate is composed of a plurality of universal baffles. The universal baffles are provided with buckles at both ends, and the buckles are clamped on the connecting member to facilitate installation.

[0007] The backplane heat exchanger is provided with a rotating shaft connected with the wall body frame at the upper end and the lower end. The rotating shaft is a hollow sleeve. The inlet of the heat exchanger core in the backplane heat exchanger is located at the lower end of the backplane heat exchanger. A supply pipe passes through the hollow sleeve rotating shaft at the lower end and is connected with the inlet. The outlet is located at the upper end of the backplane heat exchanger. A return pipe passes through the hollow sleeve rotating shaft at the upper end and is connected with the outlet. The rotating shafts at the upper end and the lower end of the backplane heat exchanger enable the backplane heat exchanger to rotate like a door. The connecting pipe passes through the hollow rotating shaft, avoiding the influence of the displacement change of the connecting pipe on the connecting pipe when the backplane heat exchanger is rotated.

[0008] A fan can be installed on the wrapping shell of the backplane heat exchanger to enhance the air flow through the heat exchanger core through the operation of the fan. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 Embodiment 1: Three-dimensional view of data center air conditioning system

[0010] Figure 2 Embodiment 1: Front view of data center air conditioning system

[0011] Figure 3 Embodiment 1: Rear view of data center air conditioning system

[0012] Figure 4 Embodiment 2: Front three-dimensional view of data center air conditioning system

[0013] Figure 5 Embodiment 2: Rear three-dimensional view of data center air conditioning system

[0014] Figure 6 Embodiment 2: Front view of data center air conditioning system

[0015] Figure 7 Embodiment 2: Rear view of data center air conditioning system

[0016] Figure 8Partial enlarged view of the connection between the data center air conditioning system and the top of the server rack

[0017] Figure 9 Partial enlarged view of the rotating shaft connecting the back plate heat exchanger of the data center air conditioning system and the wall frame

[0018] Figure 10 Perspective view of the data center air conditioning system of Example 3

[0019] Figure 11 Front view of the data center air conditioning system of Example 3

[0020] Figure 12 Rear view of the data center air conditioning system of Example 3

[0021] 1. Cold source device 2. Supply pipe 3. Back plate wall 4. Wall frame 5. Back plate heat exchanger 6. Heat exchanger core 7. Wrapped shell 8. Inlet 9. Outlet 10. Supply port 11. Return port 12. Return pipe 13. Connection member 14. Sealing plate 15. Universal baffle 16. Buckle 17. Rotating shaft 18. Fan 19. Server rack DETAILED DESCRIPTION

[0022] Embodiment 1: The application discloses a data center air conditioning system, which comprises a cold source device (1), a medium, a supply pipe (2), a return pipe (12) and a backboard wall (3). The backboard wall (3) comprises a wall frame (4) and a backboard heat exchanger (5). The backboard heat exchanger (5) is composed of a heat exchanger core (6) and a wrapping shell (7). The heat exchanger core (6) is fixed in the wrapping shell (7). The wrapping shell (7) is provided with air holes. The backboard heat exchanger (5) is in a flat plate shape. The backboard heat exchanger (5) is embedded in the wall frame (4) of the backboard wall (3). The heat exchanger core (6) is provided with an inlet (8) and an outlet (9). The cold source device (1) is provided with a supply port (10) and a return port (11). The inlet (8) of the heat exchanger core (6) is connected with one end of the supply pipe (2). The supply port (10) of the cold source device (1) is connected with the other end of the supply pipe (2). The outlet (9) of the heat exchanger core (6) is connected with one end of the return pipe (12). The return port (11) of the cold source device (1) is connected with the other end of the return pipe (12). The medium is a fluid. The medium circulates in the system formed by the cold source device (1), the supply pipe (2), the heat exchanger core (6) and the return pipe (12), continuously brings the cold generated by the cold source device (1) to the heat exchanger core (6), exchanges heat with air passing through the backboard heat exchanger (5) in the heat exchanger core (6), reduces the temperature of the air, brings the heat obtained from the air to the cold source device (1), realizes the circulation operation of the data center air conditioning system, and realizes uninterrupted operation for the server equipment, thereby providing a good working environment for the server equipment and enhancing the reliability of the data center air conditioning system.

[0023] Embodiment 2: The application discloses a data center air conditioning system, which comprises a cold source device (1), a medium, a supply pipe (2), a return pipe (12) and a backboard wall (3). The backboard wall (3) comprises a wall frame (4) and a backboard heat exchanger (5). The backboard heat exchanger (5) is composed of a heat exchanger core (6) and a wrapping shell (7). The heat exchanger core (6) is fixed in the wrapping shell (7). The wrapping shell (7) is provided with air permeable holes. The backboard heat exchanger (5) is in the form of a flat plate. The backboard heat exchanger (5) is embedded in the wall frame (4) of the backboard wall (3). The heat exchanger core (6) is provided with an inlet (8) and an outlet (9). The cold source device (1) is provided with a supply port (10) and a return port (11). The inlet (8) of the heat exchanger core (6) is connected with one end of the supply pipe (2). The supply port (10) of the cold source device (1) is connected with the other end of the supply pipe (2). The outlet (9) of the heat exchanger core (6) is connected with one end of the return pipe (12). The return port (11) of the cold source device (1) is connected with the other end of the return pipe (12). The medium is a fluid. The medium circulates in the system formed by the cold source device (1), the supply pipe (2), the heat exchanger core (6) and the return pipe (12), continuously brings the cold energy generated by the cold source device (1) to the heat exchanger core (6), exchanges heat with the air passing through the backboard heat exchanger (5) in the heat exchanger core (6), reduces the temperature of the air, brings the heat obtained from the air to the cold source device (1), realizes the circulation operation of the data center air conditioning system, and enhances the reliability of the data center air conditioning system. The number of backboard heat exchangers (5) contained in the backboard wall is more than two, which can be used as backup for each other. The wall frame (4) of the backboard wall (3) comprises a connecting member (13), which can be connected with the top of a server rack (19), is suitable for different server racks, can be a standard cabinet or a non-standard cabinet, or can be effectively combined with a server storage rack that is not a cabinet, is not limited by and affected by the size and shape of the server rack, and is more conducive to the firm installation of the backboard wall (3). The connecting member (13) is provided with a sealing plate (14). An internal cavity is formed between the backboard wall (3) and the server rack (19) through the sealing of the sealing plate (14). The hot air after cooling the servers on the server rack (19) converges together in the internal cavity and is cooled when passing through the backboard heat exchanger (5). This sealing and isolation mode can avoid the mixing of the hot air with the cold air in the machine room before the hot air is cooled, reduce the amount of air that needs to be treated, improve the heat exchange temperature difference and heat exchange efficiency during the cooling treatment of the backboard heat exchanger (5), and is conducive to reducing the energy consumption of the data center air conditioning system. The sealing plate (14) is composed of a plurality of universal baffles (15). The universal baffles (15) are provided with buckles (16) at both ends. The buckles (16) are clamped on the connecting member (13) to facilitate installation.

[0024] Embodiment 3: The application discloses a data center air conditioning system, which comprises a cold source device (1), a medium, a supply pipe (2), a return pipe (12) and a backboard wall (3). The backboard wall (3) comprises a wall frame (4) and a backboard heat exchanger (5). The backboard heat exchanger (5) is composed of a heat exchanger core (6) and a wrapping shell (7). The heat exchanger core (6) is fixed in the wrapping shell (7). The wrapping shell (7) is provided with air holes. The backboard heat exchanger (5) is in the form of a flat plate. The backboard heat exchanger (5) is embedded in the wall frame (4) of the backboard wall (3). The heat exchanger core (6) is provided with an inlet (8) and an outlet (9). The cold source device (1) is provided with a supply port (10) and a return port (11). The inlet (8) of the heat exchanger core (6) is connected with one end of the supply pipe (2). The supply port (10) of the cold source device (1) is connected with the other end of the supply pipe (2). The outlet (9) of the heat exchanger core (6) is connected with one end of the return pipe (12). The return port (11) of the cold source device (1) is connected with the other end of the return pipe (12). The medium is a fluid. The medium circulates in the system formed by the cold source device (1), the supply pipe (2), the heat exchanger core (6) and the return pipe (12), continuously brings the cold energy generated by the cold source device (1) to the heat exchanger core (6), exchanges heat with the air passing through the backboard heat exchanger (5) in the heat exchanger core (6), reduces the temperature of the air, brings the heat obtained from the air to the cold source device (1), realizes the circulation operation of the data center air conditioning system, and enhances the reliability of the data center air conditioning system. The number of backboard heat exchangers (5) contained in the backboard wall is more than two. In this embodiment, rotating shafts (17) connected with the wall frame (4) are arranged above and below the backboard heat exchanger (5). The rotating shafts (17) are hollow sleeves. The inlet (8) of the heat exchanger core (6) in the backboard heat exchanger (5) is located at the lower end of the backboard heat exchanger (5). The supply pipe (2) passes through the hollow sleeve rotating shaft at the lower end and is connected with the inlet (8). The outlet (9) is located at the upper end of the backboard heat exchanger (5). The return pipe (12) passes through the hollow sleeve rotating shaft at the upper end and is connected with the outlet (9). The rotating shafts arranged above and below the backboard heat exchanger (5) enable the backboard heat exchanger (5) to rotate like a door. The connected supply pipe (2) and return pipe (12) pass through the hollow rotating shafts, avoiding the influence of displacement change of the supply pipe (2) and the return pipe (12) on the connected pipes when the backboard heat exchanger (5) rotates. A fan (18) can be installed on the wrapping shell (7) of the backboard heat exchanger (5) to enhance the air flow through the heat exchanger core (6) by running of the fan (18).

Claims

1. A data center air conditioning system, characterized in that: The data center air conditioning system includes a cold source device, a medium, a supply pipe, a return pipe, and a backplate wall. The backplate wall includes a wall frame and a backplate heat exchanger. The backplate heat exchanger consists of a heat exchanger core and a casing. The heat exchanger core is fixed inside the casing, which has ventilation holes. The backplate heat exchanger is flat and embedded in the wall frame of the backplate wall. The heat exchanger core has an inlet and an outlet. The cold source device has a supply port and a return port. The inlet of the heat exchanger core is connected to one end of the supply pipe, and the supply port of the cold source device is connected to the other end of the supply pipe. The outlet of the heat exchanger core is connected to one end of the return pipe, and the return port of the cold source device is connected to the other end of the return pipe. The medium circulates within the system formed by the cold source device, the supply pipe, the heat exchanger core, and the return pipe, continuously carrying the cooling energy generated by the cold source device to the heat exchanger core. Multiple backplate heat exchangers are installed on the backplate wall. The backplate heat exchanger has a rotating shaft connected to the wall frame at both the top and bottom. The rotating shaft is a hollow sleeve. The inlet of the heat exchanger core in the backplate heat exchanger is located at the lower end of the backplate heat exchanger. The supply pipe passes through the rotating shaft of the lower hollow sleeve and connects to the inlet. The outlet is located at the upper end of the backplate heat exchanger. The return pipe passes through the rotating shaft of the upper hollow sleeve and connects to the outlet. The outer casing of the backplate heat exchanger also includes a fan, which enhances the airflow through the heat exchanger core by operating the fan.

2. The data center air conditioning system according to claim 1, characterized in that: The wall frame of the back panel wall includes connecting members that can be connected to the top of the server rack.

3. The data center air conditioning system according to claim 2, characterized in that: The connecting member is equipped with a sealing plate, which forms an internal cavity between the back panel wall and the server rack through the sealing of the sealing plate.

4. The data center air conditioning system according to claim 3, characterized in that: The sealing plate is composed of multiple universal baffles, and the universal baffles have buckles at both ends, which are fixed to the connecting components.

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