CN219555481U - Cold air wall making device and data center - Google Patents

Abstract

The utility model discloses a refrigeration air wall device and a data center, wherein the refrigeration air wall device at least comprises a heat exchange unit, a dehumidifying unit and a fan unit, the dehumidifying unit is positioned between the heat exchange unit and the fan unit along the air flow direction, and the dehumidifying unit is positioned in front of the heat exchange unit; the dehumidification unit comprises a first gas-liquid heat exchanger, a first liquid-liquid exchanger and a first electric valve; the first gas-liquid heat exchanger and the inner passage of the first liquid-liquid exchanger are mutually connected in series to form an inner circulation loop, wherein the first electric valve is connected in series on the inner circulation loop; the outer passage of the first liquid-liquid exchanger is connected with first external cold source equipment in series to form an outer circulation loop; when the dehumidifying unit works, air sequentially exchanges heat through the heat exchange unit and the first gas-liquid heat exchanger so as to condense water vapor in the air. The dehumidifying unit is installed in the refrigerating space along with the cold air wall device, so that the system architecture is simplified, the follow-up site construction is convenient, and the cost is reduced.

Description

Cold air wall making device and data center

Technical Field

The utility model relates to the field of refrigeration equipment, in particular to a refrigeration air wall device and a data center.

Background

Data centers generally use a refrigeration system consisting of a refrigeration air wall device to perform refrigeration air supply on equipment such as servers in the data center so as to take away heat generated in the operation process of the equipment.

The current refrigeration air wall device can only meet the temperature requirement of a data center, but cannot meet the humidity requirement of the data center at the same time.

In the existing data center, in order to solve the humidity problem of the data center, a dehumidifier and a humidifier are often required to be arranged in the data center separately, which leads to a plurality of systems in the data center, complex system architecture, complicated site construction and increased initial investment.

Disclosure of Invention

The utility model aims to provide a cold air wall making device and a data center so as to simplify the system architecture.

The utility model provides a refrigeration air wall device, which at least comprises a heat exchange unit, a dehumidifying unit and a fan unit, wherein the dehumidifying unit is positioned between the heat exchange unit and the fan unit along the air flow direction, and the dehumidifying unit is positioned in front of the heat exchange unit; the dehumidification unit comprises a first gas-liquid heat exchanger, a first liquid-liquid exchanger and a first electric valve; the first gas-liquid heat exchanger and the inner passage of the first liquid-liquid exchanger are mutually connected in series to form an inner circulation loop, wherein the first electric valve is connected in series on the inner circulation loop; the outer passage of the first liquid-liquid exchanger is connected with first external cold source equipment in series to form an outer circulation loop; when the dehumidifying unit works, air sequentially exchanges heat through the heat exchange unit and the first gas-liquid heat exchanger so as to condense water vapor in the air.

In an embodiment of the utility model, the refrigeration air wall device further comprises a humidifying unit, and the humidifying unit is used for humidifying air.

In an embodiment of the present utility model, the humidifying unit is located in front of the blower unit in the air flow direction.

In an embodiment of the present utility model, the humidifying unit is at least one of an electric humidifying structure, a wet film humidifying structure, and a steam humidifying structure.

In an embodiment of the utility model, the refrigeration air wall device further comprises a filtering unit; the heat exchange unit is positioned in front of the filtering unit along the air flow direction, and the filtering unit is used for filtering air.

In an embodiment of the present utility model, the heat exchange unit, the dehumidifying unit, the fan unit, the humidifying unit and the filtering unit are arranged in a straight line direction.

The utility model also provides a data center, which is provided with a refrigerating space and an equipment room; the cold air wall making device is arranged in the refrigerating space; one end of the refrigerating space is communicated with the equipment through an air return opening, the other end of the refrigerating space is communicated with the equipment through an air supply opening, and the humidifying unit is positioned between the air supply opening and the fan unit.

In one embodiment of the utility model, a first temperature and humidity sensor is arranged at the air return port, and a second temperature and humidity sensor is arranged at the air supply port; the data center starts the humidifying unit based on the humidity value detected by the first temperature and humidity sensor, the data center starts the dehumidifying unit based on the humidity value detected by the first temperature and humidity sensor, and the humidifying unit and the dehumidifying unit are not started at the same time.

In an embodiment of the utility model, the fan speed of the fan unit and/or the heat exchange unit is regulated and controlled based on a PID control method.

The beneficial effects of the utility model are as follows: the utility model provides a refrigeration air wall device, which is different from the prior art. The cold air wall device comprises a heat exchange unit, a dehumidifying unit and a fan unit, wherein the dehumidifying unit is integrated in the cold air wall device. When the refrigeration air wall device is applied to the data center, the dehumidifying unit is installed in the refrigeration space along with the refrigeration air wall device, and the system is different from the mode that a dehumidifier is independently arranged in a device room in the prior art, so that the number of systems in the data center can be reduced, the system architecture is simplified, the follow-up site construction is convenient, and the cost is reduced.

And the dehumidification unit comprises a first gas-liquid heat exchanger, a first liquid-liquid exchanger and a first electric valve, wherein the first gas-liquid heat exchanger exchanges heat with the external circulation loop through the first liquid-liquid exchanger so as to further cool water vapor in the air, so that the temperature of the water vapor in the air is lower than the condensation temperature, water drops are formed by condensation, and the dehumidification effect is realized. Therefore, the first gas-liquid heat exchanger structure can be conveniently stacked with the heat exchange unit and the fan unit side by side, so that the volume of the refrigeration air wall device is smaller, and the integration level is improved. In addition, the utility model adopts a condensation dehumidification mode, and the heat exchange unit can be utilized to cool down the temperature in advance, so that the power consumption required by the dehumidification unit for cooling the water vapor in the air to the condensation temperature is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a refrigeration wind wall apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a dehumidifying unit according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a data center according to an embodiment of the present utility model.

Reference numerals illustrate:

A. a cold air wall making device; 1. a heat exchange unit; 2. a dehumidifying unit; 21. a first gas-liquid heat exchanger; 22. a first liquid-liquid exchanger; 23. a first electrically operated valve; 3. a blower unit; 4. a humidifying unit; 5. a filtering unit; 61. a refrigerating space; 62. the equipment room; 63. an air return port; 64. an air supply port; 65. a first temperature and humidity sensor; 66. and a second temperature and humidity sensor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings. Terms such as "upper," "lower," "first end," "second end," "one end," "the other end," and the like used herein to refer to a spatially relative position are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted," "disposed," "provided," "connected," "slidingly connected," "secured," and "sleeved" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides a refrigeration air wall device and a data center, which are respectively described in detail below. It should be noted that the following description order of the embodiments is not intended to limit the preferred order of the embodiments of the present utility model. In the following embodiments, the descriptions of the embodiments are focused on, and for the part that is not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It should be apparent that the described embodiments of the utility model are only some, but not all, embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which a person skilled in the art would obtain without making any inventive effort, are within the scope of the utility model.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of a refrigeration air wall device according to the present utility model, and fig. 2 is a schematic structural diagram of an embodiment of a dehumidifying unit according to the present utility model.

In an embodiment, the cold air wall apparatus a may be installed in a data center as a heat exchange device for exchanging heat with a server device in the data center.

The cold air wall device A can also be independent of a data center, and can be independently used as a whole system. Specifically, the cold air wall device a may at least include a heat exchange unit 1, a dehumidifying unit 2 and a fan unit 3, and, along the air flow direction, the dehumidifying unit 2 is located between the heat exchange unit 1 and the fan unit 3, and the dehumidifying unit 2 is located in front of the heat exchange unit 1. That is, the air is firstly subjected to heat exchange and temperature reduction through the heat exchange unit 1, then subjected to dehumidification through the dehumidification unit 2, and then subjected to the fan unit 3, wherein the fan unit 3 is used for overcoming the resistance of each functional unit, and power is provided to enable the air to move from the side of the heat exchange unit 1 to the side of the fan unit 3.

In one embodiment, the dehumidification unit 2 comprises a first gas-liquid heat exchanger 21, a first liquid-liquid exchanger 22 and a first electrically operated valve 23; the first gas-liquid heat exchanger 21 and the inner passage of the first liquid-liquid exchanger 22 are connected in series to form an inner circulation loop, wherein the first electric valve 23 is connected in series to the inner circulation loop, and the first electric valve 23 is used for controlling the opening and closing of the dehumidification unit 2; the external passage of the first liquid-liquid exchanger 22 is connected in series with a first external cold source device to form an external circulation loop; when the dehumidification unit 2 works, air sequentially exchanges heat through the heat exchange unit 1 and the first gas-liquid heat exchanger 21 so as to condense water vapor in the air.

In this embodiment, the heat exchange unit 1 may be a gas-gas heat exchanger, a second gas-liquid heat exchanger, a combination of both, or the like. When the heat exchange unit 1 is an air-air heat exchanger, for example, a heat exchange core, the air-air heat exchanger can exchange heat with air to be cooled through air in an external environment, so that air refrigeration to be cooled is realized. When the heat exchange unit 1 is the second gas-liquid heat exchanger, the air passes through the second gas-liquid heat exchanger to exchange heat with the first gas-liquid heat exchanger to realize heat exchange refrigeration. The specific structures of the first gas-liquid heat exchanger 21, the first liquid-liquid exchanger 22, the gas-gas heat exchanger and the second gas-liquid heat exchanger may refer to the prior art, and will not be described herein.

It should be noted that, the above-mentioned dehumidification unit 2 is disposed between the heat exchange unit 1 and the fan unit 3, on one hand, the dehumidification unit 2 can dehumidify the air first, and then the air passes through the fan unit 3, so that the content of water vapor in the air contacting with the fan unit 3 is reduced, the occurrence of rust on the fan unit 3 is reduced, and the service life of the fan unit 3 is prolonged; on the other hand, the dehumidification unit 2 is mutually matched with the heat exchange unit 1, and the dehumidification unit 2 firstly cools the water vapor in the air by utilizing the heat exchange unit 1, so that the power consumption required by the dehumidification unit 2 for cooling the water vapor in the air to the condensation temperature is reduced.

It should be noted that the dehumidifying unit 2 in this embodiment is integrated into the refrigeration wind wall device a. When the cold air wall device A is applied to the data center, the dehumidification unit 2 is installed in the refrigerating space along with the cold air wall device A, and the system is different from the fact that a dehumidifier is independently arranged in a device room in the prior art, the number of systems in the data center can be reduced, the system architecture is simplified, follow-up site construction is facilitated, and cost is reduced.

And, dehumidification unit 2 includes first gas-liquid heat exchanger 21, first liquid-liquid exchanger 22 and first motorised valve 23, and first gas-liquid heat exchanger 21 passes through first liquid-liquid exchanger 22 and the heat transfer of outer circulation loop to further cool down the vapor in the air, make the vapor temperature in the air be less than condensation temperature, the condensation forms the drop of water, realizes the dehumidification effect. Therefore, the first gas-liquid heat exchanger 21 can be conveniently stacked with the heat exchange unit 1 and the fan unit 3 side by side, so that the volume of the cold air wall device A is smaller, and the integration level is improved.

In an embodiment, the cold air wall device a further includes a humidifying unit 4, where the humidifying unit 4 is used for humidifying air, so as to realize a humidifying function. And, the humidifying unit 4 is located in front of the blower unit 3 in the air flow direction.

Through the structure, the humidifying function of the cold air wall making device A can be increased. In addition, the humidifying unit 4 is integrated in the refrigeration air wall device a, which is different from the mode of independently installing the dehumidifier in the equipment room in the prior art, and the embodiment can simplify the system structure, reduce the space occupation of the equipment room and improve the capacity of placing the cabinet in the equipment room.

Alternatively, the humidification unit 4 is at least one of an electric humidification structure, a wet film humidification structure, and a steam humidification structure.

Further, the refrigeration wind wall apparatus a may further include a filter unit 5. Along the air flow direction, the heat exchange unit 1 is located in front of the filtering unit 5, and the filtering unit 5 is used for filtering the air entering the cold air wall device a so as to protect the functional units in the cold air wall device a.

Further, the heat exchange unit 1, the dehumidification unit 2, the fan unit 3, the humidification unit 4 and the filtration unit 5 are arranged in a straight line direction. Of course, in view of the fact that the layouts of different application scenarios are also different in actual use, the heat exchange unit 1, the dehumidification unit 2, the fan unit 3, the humidification unit 4 and the filtration unit 5 may also be arranged in a curved or arbitrary shape according to the actual scenario layout.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a data center according to an embodiment of the utility model.

Correspondingly, the utility model also provides a data center, which is provided with the refrigerating space 61 and the equipment room 62. The cooling space 61 is provided with the cooling air wall device a, and the equipment room 62 is provided with server equipment, power distribution equipment, and the like. One end of the refrigerating space 61 is communicated with the equipment room 62 through an air return port 63, and the other end of the refrigerating space 61 is communicated with the equipment room 62 through an air supply port 64. In this way, a circulating air flow can be formed between the refrigerating space 61 and the equipment room 62, that is, air can enter the refrigerating space 61 from the equipment room 62 through the air return port 63, then enter the equipment room 62 from the refrigerating space 61 through the air supply port 64, and sequentially circulate and reciprocate. Wherein the humidifying unit 4 is located between the air supply opening 64 and said fan unit 3.

In this embodiment, when the air flows through the equipment room 62, the air exchanges heat with equipment in the equipment room 62, and then the warmed air enters the refrigerating space 61 and sequentially passes through each functional unit of the cold air wall device a, so as to realize one or more functions of filtering, heat exchange, cooling, dehumidification and humidification.

In an embodiment, a first temperature and humidity sensor 65 may be installed at the return air inlet 63, and a second temperature and humidity sensor 66 may be installed at the supply air inlet 64. The control module of the data center may turn on the humidifying unit 4 based on the humidity value detected by the first temperature and humidity sensor 65, and the control module of the data center may turn on the dehumidifying unit 2 based on the humidity value detected by the first temperature and humidity sensor 65. It should be noted that the humidification unit 4 and the dehumidification unit 2 cannot be turned on at the same time.

In practical application, the data center control module may be preset with a first setting value and a second setting value, where the first setting value is smaller than the second setting value. When the humidity value detected by the first temperature and humidity sensor 65 is smaller than the first set value, the humidifying unit 4 is turned on to humidify, otherwise, the humidifying unit is turned off. When the humidity value detected by the second temperature and humidity sensor 66 is greater than the second set value, the first electric valve 23 is opened to open the dehumidification unit 2, otherwise, the dehumidification unit is closed. Of course, the first setting value and the second setting value may be set to be equal to each other, which is not particularly limited in the present utility model.

In one embodiment, the fan speed of the fan unit 3 and/or the heat exchange unit 1 are regulated based on a PID control method.

The control module may collect the temperature values collected by the first temperature and humidity sensor 65 and the second temperature and humidity sensor 66, and control the fan rotation speed of the fan unit 3 and/or the rotation speed of the water pump or the rotation speed of the fan in the heat exchange unit 1 by combining with the PID control method, so as to meet the refrigeration requirement of the equipment room 62.

Therefore, the cold air wall device adopting the technical scheme comprises a heat exchange unit, a dehumidifying unit and a fan unit, wherein the dehumidifying unit is integrated in the cold air wall device. When the refrigeration air wall device is applied to the data center, the dehumidification unit is installed in the refrigeration space along with the refrigeration air wall device, a dehumidifier is not required to be arranged in the equipment room alone, the number of systems in the data center can be reduced, the system architecture is simplified, the follow-up site construction is convenient, and the cost is reduced.

And the dehumidification unit comprises a first gas-liquid heat exchanger, a first liquid-liquid exchanger and a first electric valve, wherein the first gas-liquid heat exchanger exchanges heat with the external circulation loop through the first liquid-liquid exchanger so as to further cool water vapor in the air, so that the temperature of the water vapor in the air is lower than the condensation temperature, water drops are formed by condensation, and the dehumidification effect is realized. Therefore, the first gas-liquid heat exchanger structure can be conveniently stacked with the heat exchange unit and the fan unit side by side, so that the volume of the refrigeration air wall device is smaller, and the integration level is improved.

Further, the dehumidifying unit is arranged between the heat exchange unit and the fan unit, so that on one hand, the dehumidifying unit can dehumidify air firstly, and the air passes through the fan unit, so that the content of water vapor in the air contacted with the fan unit is reduced, the situation that the fan unit is corroded is reduced, and the service life of the fan unit is prolonged; on the other hand, the dehumidification unit is mutually matched with the heat exchange unit, and the dehumidification unit firstly cools the water vapor in the air by utilizing the heat exchange unit, so that the power consumption required by the dehumidification unit for cooling the water vapor in the air to the condensation temperature is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. The refrigeration air wall device is characterized by at least comprising a heat exchange unit, a dehumidifying unit and a fan unit, wherein the dehumidifying unit is positioned between the heat exchange unit and the fan unit along the air flow direction, and the dehumidifying unit is positioned in front of the heat exchange unit;

the dehumidification unit comprises a first gas-liquid heat exchanger, a first liquid-liquid exchanger and a first electric valve;

the first gas-liquid heat exchanger and the inner passage of the first liquid-liquid exchanger are mutually connected in series to form an inner circulation loop, wherein the first electric valve is connected in series on the inner circulation loop;

the external passage of the first liquid-liquid exchanger is connected with first external cold source equipment in series to form an external circulation loop;

when the dehumidifying unit works, air sequentially exchanges heat through the heat exchange unit and the first gas-liquid heat exchanger so as to condense water vapor in the air.

2. The refrigerated air wall apparatus of claim 1, further comprising a humidifying unit for humidifying the air.

3. A refrigerated air wall apparatus as set forth in claim 2 wherein the humidifying unit is located in front of the fan unit in the air flow direction.

4. A refrigerated air wall apparatus as set forth in claim 3 wherein the humidification unit is at least one of an electrical humidification structure, a wet film humidification structure and a steam humidification structure.

5. The refrigerated air wall device of claim 4, further comprising a filtration unit;

the heat exchange unit is positioned in front of the filtering unit along the air flow direction, and the filtering unit is used for filtering the air.

6. The apparatus of claim 5, wherein the heat exchange unit, the dehumidifying unit, the blower unit, the humidifying unit, and the filtering unit are arranged in a straight line direction.

7. A data center, wherein the data center has a refrigerated space and an equipment room;

a refrigerating air wall device according to any one of claims 2 to 6 is installed in the refrigerating space;

one end of the refrigerating space is communicated with the equipment room through an air return opening, the other end of the refrigerating space is communicated with the equipment room through an air supply opening, and the humidifying unit is positioned between the air supply opening and the fan unit.

8. The data center of claim 7, wherein a first temperature and humidity sensor is installed at the return air inlet, and a second temperature and humidity sensor is installed at the supply air inlet;

the data center starts the humidifying unit based on the humidity value detected by the first temperature and humidity sensor, the data center starts the dehumidifying unit based on the humidity value detected by the first temperature and humidity sensor, and the humidifying unit and the dehumidifying unit are not started at the same time.

9. The data center of claim 8, wherein a fan speed of the fan unit and/or the heat exchange unit is regulated based on a PID control method.