CN112770597B - Cooling device for liquid cooling data center - Google Patents

Abstract

The invention discloses a cooling device for a liquid cooling data center, which comprises a liquid storage tank and a cooling tower, wherein an equipment placement tank is fixedly arranged in the liquid storage tank, a cooling liquid flow cavity is arranged between the outer surface of the equipment placement tank and the inner wall surface of the liquid storage tank, and cooling liquid is arranged in the cooling liquid flow cavity; a liquid discharge pipe, a first water pump, a first infusion pipe, a second water pump and a compressor refrigerating device are arranged between the liquid storage tank and the cooling tower, the first water pump is connected with the liquid discharge pipe, and the cooling liquid in the cooling liquid flowing cavity is conveyed into the cooling tower through the liquid discharge pipe by the first water pump; the second water pump is connected with the first infusion tube, the liquid inlet of the compressor refrigerating device is communicated with the liquid outlet of the cooling tower through the first infusion tube, and the liquid outlet of the compressor refrigerating device is communicated with the upper right end of the cooling liquid flowing cavity through the second infusion tube. Above-mentioned technical scheme, structural design is reasonable, simple structure, cooling effect are good, job stabilization and practicality are good.

Description

Cooling units for liquid-cooled data centers

technical field

The invention relates to the technical field of liquid-cooled data centers, in particular to a cooling device for liquid-cooled data centers.

Background technique

Immersion liquid cooling data center technology is a key technology for next-generation data centers recognized by industry giants such as Alibaba Cloud, Google, and IBM. Immersion single-phase liquid cooling technology is to completely immerse IT equipment in high-temperature insulating liquid, and take away the heat of heating components through the flow of liquid.

The immersion liquid-cooled data center is not limited by the size of the data center and can be deployed in a modular manner. However, the existing immersion liquid-cooled data centers have unreasonable cooling device structures, complex structures, poor cooling effects, and unstable work. , poor practicality.

Contents of the invention

In view of the deficiencies in the prior art, the object of the present invention is to provide a cooling device for liquid-cooled data centers with reasonable structural design, simple structure, good cooling effect, stable operation and good practicability.

In order to achieve the above object, the present invention provides the following technical solution: a cooling device for liquid-cooled data centers, including a liquid storage tank and a cooling tower, an equipment storage box is fixed inside the storage tank, and the equipment storage box A cooling liquid flow chamber is arranged between the outer surface and the inner wall of the liquid storage tank, and a cooling liquid is arranged in the cooling liquid flow chamber; a liquid discharge pipe, a first water pump, and a second cooling tower are arranged between the liquid storage tank and the cooling tower. A liquid infusion pipe, a second liquid infusion pipe, a second water pump and a compressor refrigeration device, the first water pump is connected to the liquid discharge pipe, and the cooling liquid in the cooling liquid flow chamber is transported to the cooling tower through the liquid discharge pipe through the first water pump Inside; the second water pump is connected with the first liquid delivery pipe, through the first liquid delivery pipe, the liquid inlet of the compressor refrigeration device is communicated with the liquid outlet of the cooling tower, and through the second liquid delivery pipe, the outlet of the compressor refrigeration device The liquid port communicates with the upper right end of the coolant flow cavity.

The present invention is further configured as follows: the equipment storage box has a rectangular structure, and the equipment storage box is made of aluminum material, and the wall thickness of the equipment storage box is 1-3mm.

The present invention is further configured as follows: a liquid cooling chamber is provided in the cooling tower, a positioning boss is integrally provided in the middle of the inner wall of the liquid cooling chamber, and a filtering device is detachably provided on the positioning boss.

The present invention is further set as follows: the upper end of the liquid cooling cavity is provided with a stainless steel ventilation net, and several cooling fans are arranged on the upper end surface of the stainless steel ventilation net, and the air outlet of each cooling fan is set upward.

The present invention is further set as: the top of the cooling tower is provided with a stainless steel dustproof net, the lower end surface of the stainless steel dustproof net is connected with the upper end surface of the cooling tower, and the lower end surface of the stainless steel dustproof net is connected with the stainless steel ventilation net A plurality of support rods are arranged between them, and the length of each support rod is 5-30cm.

The present invention is further set as follows: the first liquid measuring sensor is fixedly arranged on the left inner wall of the cooling liquid flow chamber, and the second liquid measuring sensor is fixedly arranged on the right inner wall of the cooling liquid flow chamber; A third liquid temperature measuring sensor is fixedly arranged.

The present invention is further configured as follows: the filter device is made of stainless steel, and the filter device is fixed to the positioning boss through bolt connection, and the third liquid temperature sensor is arranged on the upper end surface of the filter device.

The present invention is further configured as follows: a heat insulating plate is arranged between the liquid storage tank and the cooling tower, the compressor refrigeration device is located at the left end of the heat insulating plate, and the thickness of the heat insulating plate is 1-10 cm.

In the present invention, it is further set that: the temperature insulation plate is aligned with the position of the liquid discharge pipe and provided with a first horizontal through hole, the liquid discharge pipe is penetrated in the first horizontal through hole, and the inner wall surface of the first horizontal through hole A first sealing ring is arranged between the drain pipe and the outer surface.

In the present invention, it is further set that: the temperature insulation plate is aligned with the position of the first infusion tube to be provided with a second horizontal through hole, the first infusion tube is penetrated in the second horizontal through hole, and the second horizontal through hole A second sealing ring is arranged between the inner wall surface and the outer surface of the first infusion tube.

The advantage of the present invention is that: compared with the prior art, the structural setting of the present invention is more reasonable, and the cooling liquid in the cooling liquid flow chamber is transported to the cooling tower through the liquid discharge pipe through the first water pump; The cooling liquid in the liquid cooling chamber of the tower is naturally cooled. During the natural cooling process, the cooling liquid passes through the filter device to filter impurities, and after the cooling fan is turned on, the air flow in the liquid cooling chamber can be increased, thereby improving the cooling efficiency; and then through the second water pump The cooling liquid filtered by the filter device in the liquid cooling chamber is sent from the first liquid delivery pipe to the compressor cooling device for cooling, and the cooling liquid cooled by the compressor cooling device is sent to the cooling liquid flow chamber through the second liquid delivery pipe for Take away the heat generated by the existing heating components and transferred to the equipment placement box. The structure design is reasonable, the structure is simple, the cooling effect is good, the work is stable and the practicability is good.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

FIG. 2 is an enlarged schematic view of part I in FIG. 1 .

Detailed ways

In the description of this embodiment, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", " Outside", "front", "rear", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation and, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

Referring to Fig. 1 and Fig. 2, a cooling device for a liquid-cooled data center disclosed by the present invention includes a liquid storage tank 1 and a cooling tower 2, and an equipment placement box 3 is fixedly arranged in the liquid storage tank 1, and the equipment placement A cooling liquid flow chamber 11 is arranged between the outer surface of the tank 3 and the inner wall surface of the liquid storage tank 1, and a cooling liquid 4 is arranged in the cooling liquid flow chamber 11; Drainage pipe 5, the first water pump 6, the first infusion pipe 7, the second infusion pipe 8, the second water pump 9 and the compressor refrigeration unit 10, the first water pump 6 is connected with the liquid discharge pipe 5, through the first water pump 6. Transport the cooling liquid in the cooling liquid flow chamber 11 to the cooling tower 2 through the liquid discharge pipe 5; the second water pump 9 is connected with the first liquid delivery pipe 7, and the compressor refrigerating device 10 is driven through the first liquid delivery pipe 7 The liquid inlet of the cooling tower 2 is communicated with the liquid outlet of the cooling tower 2, and the liquid outlet of the compressor refrigeration unit 10 is communicated with the upper right end of the cooling liquid flow chamber 11 through the second liquid delivery pipe 8.

Preferably, a positioning bracket is provided between the equipment storage box 3 and the liquid storage tank 1, and the equipment storage box 3, the liquid storage tank 1 and the positioning bracket are fixed by welding to form an integrated structure.

In order to make the structure setting of the present invention more reasonable, preferably, the equipment storage box 3 in this embodiment has a rectangular structure, and the equipment storage box 3 is made of aluminum material, and the wall thickness of the equipment storage box 3 is 1-3mm.

The cooling tower 2 is provided with a liquid cooling chamber 21 , and a positioning boss 22 is integrally provided in the middle of the inner wall of the liquid cooling chamber 21 , and a filtering device 12 is detachably arranged on the positioning boss 22 .

The upper end of the liquid cooling cavity 21 is provided with a stainless steel air mesh 13, and the upper end surface of the stainless steel air mesh 13 is provided with several cooling fans 14, and the air outlet of each cooling fan 14 is all set upward.

The top of the cooling tower 2 is provided with a stainless steel dust-proof net 15, the lower end surface of the stainless steel dust-proof net 15 is connected with the upper end surface of the cooling tower 2, and the lower end surface of the stainless steel dust-proof net 15 is connected with the stainless steel ventilation net 13. Several support rods 16 are arranged between, and the length of each support rod 16 is 5-30cm. As preferably, the top of the stainless steel dust-proof net 15 and the cooling tower 2 is fixed by bolt connection, the stainless steel dust-proof net 15, the support rod 16 and the stainless steel ventilation net 13 are fixed by screw connection, and the cooling fan 14 It is fixed by bolt connection with the stainless steel air mesh 13.

A first liquid measuring sensor 17 is fixedly arranged on the left inner wall surface of the cooling liquid flow chamber 11, and a second liquid measuring sensor 18 is fixedly arranged on the right inner wall surface of the cooling liquid flow chamber 11; There is a third liquid temperature measuring sensor 19.

The filter device 12 is made of stainless steel, and the filter device 12 is connected to the positioning boss 22 by bolts, and the third liquid temperature sensor 19 is arranged on the upper surface of the filter device 12 .

A heat insulation board 20 is arranged between the liquid storage tank 1 and the cooling tower 2, the compressor refrigeration device 10 is located at the left end of the heat insulation board 20, and the thickness of the temperature insulation board 20 is 1-10 cm.

The temperature insulation plate 20 is aligned with the position of the drain pipe and provided with a first horizontal through hole 201, the drain pipe 5 is penetrated in the first horizontal through hole 201, and the inner wall surface of the first horizontal through hole 201 is in contact with the drain pipe. A first sealing ring 23 is arranged between the outer surfaces of the liquid pipe 5 .

The temperature insulation plate 20 is aligned with the first transfusion tube to be provided with a second transverse through hole 202, the first transfusion tube 7 is penetrated in the second transverse through hole 202, and the inner wall surface of the second transverse through hole 202 A second sealing ring 24 is provided between the outer surface of the first infusion tube 7 .

In practical application, the cooling liquid in the cooling liquid flow cavity is transported to the cooling tower through the liquid discharge pipe through the first water pump; During the cooling process, the impurities are filtered by the filter device, and the air flow in the liquid cooling chamber can be increased after the cooling fan is turned on, thereby improving the cooling efficiency; and then the cooling liquid filtered by the filter device in the liquid cooling chamber is transferred from the first pump to The infusion pipe is sent to the compressor cooling device for cooling, and the coolant cooled by the compressor cooling device is sent to the coolant flow chamber through the second infusion pipe, which is used to take away the heat generated by the existing heating components and transfer it to the equipment storage box of heat. The structure design is reasonable, the structure is simple, the cooling effect is good, the work is stable and the practicability is good.

The specific description of the present invention in the above-mentioned embodiments is only used to further illustrate the present invention, and can not be interpreted as limiting the protection scope of the present invention. Technical engineers in the field make some non-essential improvements and adjustments to the present invention according to the content of the above-mentioned invention. Into the protection scope of the present invention.

Claims (8)

1. A cooling device for a liquid-cooled data center, including a liquid storage tank (1) and a cooling tower (2), characterized in that an equipment placement box (3) is fixed inside the liquid storage tank (1), and the equipment A coolant flow cavity (11) is provided between the outer surface of the placement box (3) and the inner wall surface of the liquid storage tank (1), and a coolant (4) is provided in the coolant flow cavity (11); the storage A discharge pipe (5), a first water pump (6), a first infusion pipe (7), a second infusion pipe (8), and a second water pump (9) are arranged between the liquid tank (1) and the cooling tower (2). ) and compressor refrigeration device (10), the first water pump (6) is connected to the drain pipe (5), and the cooling liquid in the cooling liquid flow cavity (11) is passed through the drain pipe through the first water pump (6) (5) transported to the cooling tower (2); the second water pump (9) is connected to the first liquid infusion pipe (7), through which the compressor refrigeration unit (10) enters the liquid The liquid outlet of the cooling tower (2) is communicated with the outlet of the cooling tower (2), and the liquid outlet of the compressor refrigeration device (10) is communicated with the upper right end of the cooling liquid flow chamber (11) through the second liquid delivery pipe (8); The cooling tower (2) is provided with a liquid cooling cavity (21), and the middle part of the inner wall of the liquid cooling cavity (21) is integrally provided with a positioning boss (22), and the positioning boss (22) can be A filter device (12) is provided for disassembly; The upper end of the liquid cooling cavity (21) is provided with a stainless steel air mesh (13), and the upper end surface of the stainless steel air mesh (13) is provided with several heat dissipation fans (14), each heat dissipation fan (14) outlet The air outlets are all set upwards. 2. The cooling device for liquid-cooled data center according to claim 1, characterized in that: the equipment storage box (3) has a rectangular structure, and the equipment storage box (3) is made of aluminum material, and the equipment storage box ( 3) The wall thickness is 1-3mm. 3. The cooling device for liquid-cooled data center according to claim 1, characterized in that: the top of the cooling tower (2) is provided with a stainless steel dust-proof net (15), and the stainless steel dust-proof net (15) The lower end face of the cooling tower (2) is connected with the upper end face of the cooling tower (2), and several support rods (16) are arranged between the lower end face of the stainless steel dust-proof net (15) and the stainless steel ventilation net (13), and each support rod (16 ) is 5-30cm in length. 4. The cooling device for a liquid-cooled data center according to claim 1, characterized in that: a first liquid measuring sensor (17) is fixedly arranged on the left inner wall of the cooling liquid flow cavity (11), and the cooling liquid flows A second liquid measuring sensor (18) is fixedly arranged on the right inner wall of the cavity (11); a third liquid temperature measuring sensor (19) is fixedly arranged on the filtering device (12). 5. The cooling device for liquid-cooled data centers according to claim 4, characterized in that: the filter device (12) is made of stainless steel, and the filter device (12) and the positioning boss (22) are connected by bolts fixed, the third liquid temperature sensor (19) is arranged on the upper end surface of the filter device (12). 6. The cooling device for liquid-cooled data center according to claim 1 or 5, characterized in that: a temperature insulation board (20) is arranged between the liquid storage tank (1) and the cooling tower (2), and the The compressor refrigerating device (10) is located at the left end of the insulation board (20), and the thickness of the insulation board (20) is 1-10cm. 7. The cooling device for a liquid-cooled data center according to claim 6, characterized in that: the temperature insulating plate (20) is aligned with the position of the liquid discharge pipe and provided with a first horizontal through hole (201), and the liquid discharge pipe The pipe (5) is passed through the first horizontal through hole (201), and a first sealing ring (23) is arranged between the inner wall surface of the first horizontal through hole (201) and the outer surface of the drain pipe (5) . 8. The cooling device for a liquid-cooled data center according to claim 7, characterized in that: the temperature insulating plate (20) is aligned with the first infusion pipe and provided with a second horizontal through hole (202), and the first An infusion tube (7) is passed through the second horizontal through hole (202), and a second sealing ring is arranged between the inner wall surface of the second horizontal through hole (202) and the outer surface of the first infusion tube (7) (twenty four).

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