CN212227305U - Indirect evaporative cooling unit and data center machine room - Google Patents

Abstract

The utility model provides an indirect evaporative cooling unit and a data center room, which relate to the technical field of refrigeration. The computer room of the data center includes an indirect evaporative cooling unit. The indirect evaporative cooling unit includes a casing, an evaporator, a heat exchange core, a first fan, a condenser and a second fan. The casing is provided with a first air duct and a second air duct. The first air duct is linear and intersects with the second air duct, the evaporator and the heat exchange core are installed in the first air duct, wherein the heat exchange core is located at the intersection of the first air duct and the second air duct, The first fan is installed on the first air duct to drive the air to flow into the first air duct and to flow through the heat exchange core and the evaporator in turn; the second fan is installed on the second air duct to drive the air to flow into the second air duct And it flows through the heat exchange core and the condenser in turn. The indirect evaporative cooling unit can reduce the inflection point of the air duct, not only has a better cooling effect, but also has a lower cooling energy consumption.

Description

Indirect evaporative cooling unit and data center room

technical field

The utility model relates to the technical field of refrigeration, in particular to an indirect evaporative cooling unit and a computer room of a data center.

Background technique

With the advent of the data age, the computer room has become an important part of the development of the national economy, and it is an important pillar to promote the informatization and digitization of the science and technology industry. With the development of the scale and integration of data centers, the power density of IT equipment in the server is increasing day by day, and the heat density is increasing rapidly, which brings two problems: on the one hand, the power consumption in the computer room increases greatly; on the other hand , the problem of server cooling has become more and more serious, and may even cause equipment downtime due to equipment heating at the cost of consuming a lot of energy and operating costs.

The traditional machine room adopts mechanical cooling, and the power consumption of cooling accounts for more than 35% of the energy consumption of the machine room, and the cooling effect needs to be improved. The resistance is too large and the circulation efficiency is low, which not only fails to achieve the ideal cooling effect, but also increases the energy consumption. Therefore, designing an indirect evaporative cooling unit and a data center room can reduce the inflection point of the air duct, not only the cooling effect is better, but also the energy consumption of cooling is low, which is a technical problem that needs to be solved urgently at present.

Utility model content

The purpose of the utility model is to provide an indirect evaporative cooling unit and a data center machine room, which can reduce the inflection point of the air duct, not only has a better cooling effect, but also has lower energy consumption for cooling.

The embodiment of the present utility model is realized in this way:

In the first aspect, an embodiment of the present invention provides an indirect evaporative cooling unit, including a casing, an evaporator, a heat exchange core, a first fan, a condenser and a second fan; the casing is provided with a first air duct and a second fan. Two air ducts, the first air duct is linear and crossed with the second air duct; the evaporator and the heat exchange core are installed in the first air duct, wherein the heat exchange core is located in the first air duct and the second air duct The first fan is installed on the first air duct to drive the air to flow into the first air duct and to flow through the heat exchange core and the evaporator in turn; the second fan is installed on the second air duct to drive the air to flow into the first air duct. The second air duct flows through the heat exchange core and the condenser in sequence.

In an optional embodiment, the first air duct includes an air inlet side and an air outlet side, and the first fan is provided on the air inlet side or the air outlet side of the first air duct.

In an optional embodiment, both the first fan and the second fan are mounted on the housing.

In an optional embodiment, the indirect evaporative cooling unit further includes a filter assembly, the filter assembly is arranged in the first air duct, and the filter assembly and the evaporator are respectively located on opposite sides of the heat exchange core.

In an optional embodiment, the first fan is movably arranged on the casing, and the first fan can extend out of the casing or be retracted into the casing. When the unit is in the first state, the first fan is located outside the casing. When the unit is in the second state, the first fan is located in the casing.

In an optional embodiment, the indirect evaporative cooling unit further includes a spray component, which is arranged in the second air duct and is used for spraying water to the heat exchange core.

In an optional embodiment, the sprinkler assembly includes a sprinkler, a water receiving tray and a circulating water pump, and the sprinkler is arranged on the side close to the inlet of the second air duct or on the side close to the outlet of the second air duct, The water receiving tray is used to receive the water sprayed by the sprinkler, and the circulating water pump is connected to the water receiving tray and the sprinkler.

In an optional embodiment, the spray assembly further includes a water collector, and the spray assembly is arranged on a side of the evaporator close to the heat exchange core.

In a second aspect, an embodiment of the present invention provides a data center computer room, including the indirect evaporative cooling unit provided in the first aspect, a space to be cooled, a supply air duct and a return air duct, wherein: one end of the supply air duct is connected to the The outlet of the first air duct is connected, the other end of the supply air duct is used to communicate with the space to be cooled, one end of the return air duct is connected to the inlet of the first air duct, and the other end of the return air duct is used to communicate with the space to be cooled. Spatial connectivity.

In an optional embodiment, the data center equipment room further includes a first transfer air duct, the supply air duct and the return air duct are both linear, and the indirect evaporative cooling unit is installed on the outer side of the space to be cooled, and the first air The outlet of the duct is set towards the space to be cooled, and the inlet of the first air duct is set away from the space to be cooled. It is connected to the bottom of the space to be cooled, and the return air duct is connected to the top of the space to be cooled.

In an optional embodiment, the first adapting air duct is L-shaped, the first adapting air duct includes a first vertical part and a first horizontal part that communicate with each other, and the side of the first vertical part is provided with an inlet, and communicated with the outlet of the first air duct, the first horizontal portion is located below the first vertical portion, and communicated with the air supply duct.

In an optional embodiment, the indirect evaporative cooling unit is installed on the top of the space to be cooled, the air supply air duct and the air return air duct are both L-shaped, and the air supply air duct includes a second vertical part and a second vertical part that communicate with each other. The horizontal part, the return air duct includes a third vertical part and a third horizontal part that communicate with each other; And the third vertical part is used to connect on both sides of the top of the space to be cooled.

In an optional embodiment, the data center equipment room further includes a second transfer air duct, the indirect evaporative cooling unit is installed inside the space to be cooled, the supply air duct and the return air duct are both linear, and the return air duct One end of the air duct is connected to the inlet of the first air duct through the second transfer air duct, the other end of the return air duct is used to connect to the top of the space to be cooled, and one end of the supply air duct is connected to the outlet of the first air duct, and the air supply air duct is connected to the outlet of the first air duct. The other end of the air duct is connected to the bottom of the space to be cooled.

In an optional embodiment, the second connecting air duct is L-shaped, the second connecting air duct includes a fourth vertical part and a fourth horizontal part that communicate with each other, and the side of the fourth vertical part is provided with an inlet, and communicate with the inlet of the first air duct, the fourth horizontal part is located above the fourth vertical part, and communicates with the return air duct.

The indirect evaporative cooling unit and the data center computer room provided by the embodiment of the present invention, the technical solutions adopted and the beneficial effects brought by them at least include:

1. The first air duct in the housing is linear and intersects with the second air duct. The first fan is installed on the housing to drive air into the first air duct and sequentially through the heat exchange core and evaporation. The air enters and exits straight in the first air duct, and there is no inflection point in the circulation process, which reduces resistance and improves the efficiency of air circulation. At the same time, the evaporator and heat exchange core are installed in the air duct, so that the air passes In the process of cooling down the temperature, and blowing it into the space to be cooled, the cooling effect in the space to be cooled is remarkable, and the energy consumption is greatly reduced compared with mechanical refrigeration;

2. The second fan is set on the shell, and is used to drive the air to flow into the second air duct and flow through the heat exchange core and the condenser in turn, so as to improve the heat exchange efficiency of the heat exchange core, thereby improving the air flow through the channel. Efficient heat exchange improves cooling efficiency and requires less energy consumption.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram from a first perspective of a first indirect evaporative cooling unit provided by an embodiment of the present invention;

2 is a schematic structural diagram from a second perspective of the first indirect evaporative cooling unit provided by an embodiment of the present invention;

3 is a schematic structural diagram of a second indirect evaporative cooling unit provided by an embodiment of the present invention;

4 is a schematic structural diagram of a third indirect evaporative cooling unit provided by an embodiment of the present invention;

5 is a schematic structural diagram of a fourth indirect evaporative cooling unit provided by an embodiment of the present invention;

6 is a schematic structural diagram of a fifth indirect evaporative cooling unit provided by an embodiment of the present invention;

7 is a schematic structural diagram of a sixth indirect evaporative cooling unit provided by an embodiment of the present utility model;

8 and 9 are schematic diagrams of assembly of the indirect evaporative cooling unit provided on the top of the space to be cooled provided by an embodiment of the present invention;

FIG. 10 is another schematic assembly diagram of the indirect evaporative cooling unit installed on the top of the space to be cooled provided by the embodiment of the present invention;

11 and 12 are schematic diagrams of assembly of the indirect evaporative cooling unit provided by the embodiment of the present invention installed on the outer side of the space to be cooled;

Fig. 13 is another schematic diagram of assembly of the indirect evaporative cooling unit provided by the embodiment of the present invention installed on the outer side of the space to be cooled;

14 and 15 are schematic diagrams of assembly of the indirect evaporative cooling unit provided in the embodiment of the present invention installed in the space to be cooled;

FIG. 16 is another schematic assembly diagram of the indirect evaporative cooling unit installed in the space to be cooled according to the embodiment of the present invention.

Icon: 100-indirect evaporative cooling unit; 110-shell; 111-first air duct; 112-second air duct; 120-first fan; 130-evaporator; 140-heat exchange core; 150-filter assembly ;161-water collector;162-sprinkler;170-condenser;180-second fan;190-compressor;200-water tray;210-circulating water pump;220-first transfer air duct;221 -1st vertical part; 222-first horizontal part; 230-air supply duct; 231-second vertical part; 232-second horizontal part; 240-return air duct; 241-third vertical part 242 - the third horizontal part; 250 - the second transfer air duct; 251 - the fourth vertical part; 252 - the fourth horizontal part; 300 - the space to be cooled;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the orientations indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in use, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying. The device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, terms such as "horizontal", "vertical" and the like do not imply that components are required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIGS. 1 and 2 , the first indirect evaporative cooling unit 100 provided in this embodiment includes a casing 110 , an evaporator 130 , a heat exchange core 140 , a filter assembly 150 , and a first fan 120 , a spray assembly, a condenser 170 , a second fan 180 and a compressor 190 .

The casing 110 is provided with a first air duct 111 and a second air duct 112. The first air duct 111 is linear and arranged to intersect with the second air duct 112. As shown in FIG. On the duct 111, the first air duct 111 includes an air inlet side and an air outlet side, and the first fan 120 is arranged on the outlet side of the first air duct 111. In other embodiments, the first fan 120 can also be arranged on the first On the air inlet side of the air duct 111 , in short, the first fan 120 is used to drive the air to flow into the first air duct 111 and flow through the filter assembly 150 , the heat exchange core 140 and the evaporator 130 in sequence, and the air flows in the first air duct 111 . The flow direction is from right to left as shown in Figure 1, that is, it flows through the filter assembly 150, the heat exchange core 140, the evaporator 130 and the first fan 120 in sequence; the flow direction in the second air duct 112 is as shown in Figure 1 From bottom to top, that is, it flows through the heat exchange core 140 , the condenser 170 and the second fan 180 in sequence. Normally, the indoor air flows through the first air duct 111 , the outdoor air flows through the second air duct 112 , and the indoor air and the outdoor air conduct heat exchange at the heat exchange core 140 . In this way, there is no inflection point in the air circulation process, the resistance is reduced, the operation efficiency of the first fan 120 is high, and the efficiency of the air circulation is improved.

In FIG. 1 , the evaporator 130 , the heat exchange core 140 and the filter assembly 150 are sequentially installed in the first air duct 111 from left to right, that is, the first air duct 111 is sequentially installed with the evaporator 130 , the first air duct 111 from the outlet to the inlet The heat exchange core 140 and the filter assembly 150, wherein the heat exchange core 140 is located at the intersection of the first air duct 111 and the second air duct 112, and the evaporator 130 and the heat exchange core 140 allow the indoor air to pass through the first air duct. The temperature is lowered in the process of cooling down the channel 111, and is blown into the space to be cooled 300 for storing the heating equipment such as the server 320, the cooling effect in the space to be cooled 300 is remarkable, and the energy consumption is greatly reduced compared with mechanical refrigeration. In addition, the air generally contains dust, which will affect the servers 320 in the cooling space 300. Therefore, the filter assembly 150 installed at the entrance of the first air duct 111 can effectively filter dust and other substances in the air.

The second fan 180 is disposed on the second air duct 112, and is used to drive the air to flow into the second air duct 112 and flow through the heat exchange core 140 and the condenser 170 in sequence, so as to improve the heat exchange efficiency of the heat exchange core 140, thereby improving the Efficient heat exchange of the air flowing through the channels increases cooling efficiency and requires less energy consumption.

The spraying component is disposed in the second air duct 112 for spraying water to the heat exchange core 140 . Specifically, the sprinkler assembly includes a sprinkler 162 , a water receiving tray 200 , a circulating water pump 210 and a water collector 161 , and the sprinkler is located on the side close to the inlet of the second air duct 112 or located close to the second air duct 112 On the outlet side of the water receiving pan 200 , the water receiving pan 200 is used to receive the water sprayed by the shower 162 , and the circulating water pump 210 is connected to the water receiving pan 200 and the shower 162 . Among them, the water collector 161 can be used to prevent the water from contacting the condenser 170 and play the role of blocking water. In this way, the circulating water pump 210, the sprayer 162 and the water receiving tray 200 form a circulating water circuit. The sprayer 162 is used to spray water to the heat exchange core 140, and the water finally flows into the lower water receiving tray 200 under the action of gravity. In this way, the shower 162 can make the surface of the heat exchange core 140 fully contact with water, improve the heat exchange efficiency of the heat exchange core 140, and make the unit utilize the latent heat of outdoor cold air and water at the same time. The indoor air is cooled, which improves the cooling efficiency and reduces the energy consumption. In other embodiments, the shower 162 may also be disposed below the heat exchange core 140 , as long as the sprayed water can sufficiently contact the heat exchange core 140 .

The compressor 190 can be installed at the bottom of the casing 110 and located on one side of the water receiving tray 200, which can reduce the occupied space and make the volume of the unit smaller. Of course, in some other embodiments, the compressor 190 can also be installed in the middle part, the upper part, etc. of the casing 110, and the specific installation position can be set according to actual needs.

In FIG. 1 , a condenser 170 and a second fan 180 are sequentially arranged above the water collector 161, so that the second fan 180 can discharge the hot air around the condenser 170 out of the casing 110, and the second fan 180 is located in the On the top of the housing 110, the density of the hot air exhausted by the second fan 180 is smaller than that of the cold air, and the hot air will automatically flow upward.

It is worth mentioning that the filter assembly 150 may include one or more of a primary filter, a high-efficiency filter and activated carbon.

Referring to FIG. 2 , the number of the first fans 120 and the second fans 180 are multiple, and they are respectively arranged in a matrix form, and the first fans 120 or the second fans 180 in each row or column are evenly spaced along a straight line, In other embodiments, a staggered arrangement, or even a random arrangement, is also possible. In practice, the size of the unit can be designed according to the size of the cooling capacity requirement, so as to determine the number and arrangement of the first fans 120 and the second fans 180 .

Referring to FIG. 3 , in the second indirect evaporative cooling unit 100 provided in this embodiment, the first fan 120 is movably installed on the casing 110 , so that the first fan 120 can extend out of the casing 110 and be retracted into the casing within 110. When the unit is in the first state, that is, when the indirect evaporative cooling unit 100 is working, the first fan 120 extends out of the casing 110 to drive air to flow in the first air duct 111. When the unit is in the second state, That is, when the indirect evaporative cooling unit 100 is in the process of transportation or storage, the first fan 120 is retracted into the housing 110, which can not only reduce the volume of the unit, facilitate transportation or storage, but also avoid the collision and damage of the first fan 120. In addition, the first fan 120 can still work normally when it is retracted into the casing 110, and plays the role of driving the air to flow in the first air duct 111, so that the first fan 120 is always located inside the casing 110, which plays a good role in protective effect.

Specifically, the movement of the first fan 120 can be achieved by setting a slide rail (not shown). The first fan 120 is mounted on the casing 110 through the slide rail, and the slide rail extends inward from the outside of the casing 110. The first fan The 120 can be fixed at any position on the slide rail by fastening bolts, so that the first fan 120 can extend out of the casing 110 and be retracted into the casing 110 .

In other embodiments, installation positions for installing the first fan 120 may be provided both inside and outside the casing 110 , so that the first fan 120 can be installed outside the casing 110 or inside the casing 110 .

Referring to FIG. 4 , in the third indirect evaporative cooling unit 100 provided in this embodiment, the first fan 120 is installed on the air inlet side of the first air duct 111 , and the filter assembly 150 , the heat exchange core 140 and the evaporator 130 are installed from the left It is installed in the first air duct 111 in sequence from the right, that is, the first air duct 111 is sequentially installed with the filter assembly 150, the heat exchange core 140 and the evaporator 130 from the inlet to the outlet, and the indoor air is blown into the first fan 120. Inside an air duct 111 . In this way, the cooling effect in the cooling space 300 can also be remarkable, and the energy consumption is greatly reduced compared with mechanical cooling. In addition, the filter assembly 150 can effectively filter dust and other substances in the air.

Referring to FIG. 5 , the fourth indirect evaporative cooling unit 100 provided in this embodiment can be used in some application scenarios with small space, for example, in some places where the demand for cooling capacity is small, the indirect evaporative cooling unit 100 can be used, The overall size of the casing 110 is small, and each of the first fan 120 and the second fan 180 is arranged in one row, so as to reduce the volume of the unit and at the same time ensure the cooling effect.

Referring to FIG. 6 , in the fifth indirect evaporative cooling unit 100 provided in this embodiment, the first fan 120 is installed at the entrance of the first air duct 111 and is located inside the casing 110 , the filter assembly 150 , the heat exchange core 140 and the evaporator 130 are sequentially installed in the first air duct 111 from left to right, that is, the first air duct 111 sequentially installs the filter assembly 150 , the heat exchange core 140 and the evaporator 130 from the inlet to the outlet.

Referring to FIG. 7 , in the sixth indirect evaporative cooling unit 100 provided in this embodiment, the first fan 120 is installed at the outlet of the first air duct 111 and is located inside the casing 110 , so that the first fan 120 is operating During the process, the inside of the casing 110 can be kept in a positive pressure state. The evaporator 130, the heat exchange core 140 and the filter assembly 150 are sequentially installed in the first air duct 111 from right to left, that is, the first air duct 111 is sequentially installed with the filter assembly 150 and the heat exchange core 140 from the inlet to the outlet. and evaporator 130.

It is easy to understand that the indirect evaporative cooling units 100 with six structures are introduced from FIG. 1 to FIG. 7 , and these units can be adapted to different specific application scenarios due to different designs in the structural settings. It can be understood that, based on the indirect evaporative cooling unit 100 provided in this embodiment, those skilled in the art can also make corresponding designs for the unit according to the actual application scenarios under the general utility model concept of the present invention, for example, changing The number of the first fan 120 and the second fan 180 , the arrangement sequence of each component in the first air duct 111 , and the position of other components in the housing 110 . None of these exceed the design concept of the indirect evaporative cooling unit 100 provided in this embodiment, and should all fall within the scope of protection claimed in this application.

Referring to FIGS. 8 to 16 , this embodiment also provides a data center computer room. The data center computer room may include one of the above-mentioned indirect evaporative cooling units 100 , a supply air duct 230 and a return air duct 240 . One end of the air duct 230 is communicated with the outlet of the first air duct 111, the other end of the supply air duct 230 is used to communicate with the space to be cooled 300, and one end of the return air duct 240 is communicated with the inlet of the first air duct 111, and the return air duct 240 is communicated with the inlet of the first air duct 111. The other end of the air duct 240 is used to communicate with the space to be cooled 300 , so that the interior of the space to be cooled 300 can be cooled by the unit.

In the data center computer room provided in this embodiment, the indirect evaporative cooling unit 100 can be assembled in three ways in the space to be cooled 300: the unit is assembled on the top of the space to be cooled 300, the unit is assembled on the outer side of the space to be cooled 300, and the unit Fitted inside the space to be cooled 300 .

Wherein, the above-mentioned various indirect evaporative cooling units 100 can all be applicable to the above-mentioned three assembly forms, and the various assembly forms are described below.

(1) The unit is assembled on the top of the space to be cooled 300

Please refer to FIG. 8 and FIG. 9 , the arrows in the figures indicate the flow direction of the air, the indirect evaporative cooling unit 100 is used to be installed on the top of the space to be cooled 300 , and the number of the units is multiple. The supply air duct 230 and the return air duct 240 are both L-shaped. The supply air duct 230 includes a second vertical portion 231 and a second horizontal portion 232 that communicate with each other, and the return air duct 240 includes a third vertical portion that communicates with each other. The straight part 241 and the third horizontal part 242, the second horizontal part 232, the first air duct 111 and the third horizontal part 242 are connected in sequence, and the axes are in a straight line, the second vertical part 231 and the third vertical part 241 They are respectively connected on both sides of the top of the space to be cooled 300, wherein the top of the space to be cooled 300 is provided with a ceiling hot channel 310, the interior of the space to be cooled 300 is provided with a server 320, and the second vertical portion 231 penetrates through the ceiling hot channel 310, The second vertical portion 231 directly transports cold air to the space where the server 320 is located, the third vertical portion 241 communicates with the ceiling hot aisle 310, and the third vertical portion 241 allows the hot air in the ceiling hot aisle 310 to enter the unit for cooling.

It can be seen that the process of air flow in the data center room can flow in a straight line in the second horizontal portion 232 , the first air duct 111 and the third horizontal portion 242 , and in the first air duct 111 of the housing 110 . Straight in and straight out, only two inflection points need to be reserved in the supply air duct 230 and the return air duct 240, so that the air flow resistance is small and the flow rate is fast, which not only requires less power to drive the air flow, but also treats the cooling space. The cooling efficiency inside the 300 is higher. In addition, using the ceiling hot channel 310 of the space to be cooled 300 to transport air can reduce the length of the air duct of the unit, reduce the space required by the unit, improve the use efficiency of the space to be cooled 300, and further reduce air resistance.

In FIG. 8, the first fan 120 is installed at the outlet of the first air duct 111 and is located outside the housing 110. Correspondingly, other types of units can also be used. For example, in FIG. 10, the first fan can be The 120 is installed at the entrance of the first air duct 111 and located inside the housing 110 . Similarly, units in other forms can also be assembled on the top of the space to be cooled 300 . Moreover, because the unit is installed outside the space to be cooled 300, the inlet of the first air duct 111 can also be open, that is, the inlet of the first air duct 111 can be communicated with all directions of the housing 110, so that the Air is sucked in in all directions, reducing the return air resistance and improving the overall energy efficiency.

(2) The unit is assembled on the outer side of the space to be cooled 300

Please refer to FIG. 11 and FIG. 12 , the indirect evaporative cooling unit 100 is used to be installed on the outer side of the space to be cooled 300 , and the number of units can be multiple. The outlet of the first air duct 111 is far away from the space to be cooled 300 relative to the inlet of the first air duct 111. The data center equipment room includes a first transfer air duct 220. The supply air duct 230 and the return air duct 240 are both linear. One end of the supply air duct 230 is communicated with the outlet of the first air duct 111 through the first transition air duct 220 , the other end of the supply air duct 230 is used to communicate with the bottom of the space to be cooled 300 , and the return air duct 240 is used for It is connected to the ceiling heat channel 310 connected to the top of the space to be cooled 300 . In this way, the unit inputs cold air from the bottom of the space to be cooled 300, and sucks hot air from the top of the space to be cooled 300, so that the cold air flows from bottom to top inside the space to be cooled 300, and fully cools the air in the space to be cooled 300. server 320.

Specifically, the first adapting air duct 220 is L-shaped, the first adapting air duct 220 includes a first vertical portion 221 and a first horizontal portion 222 that communicate with each other, and the side of the first vertical portion 221 is provided with an inlet, The first horizontal portion 222 is located below the first vertical portion 221 and communicates with the air supply duct 230 . In this way, when the hot air enters the return air duct 240 and is blown out from the supply air duct 230, the air only passes through two inflection points, the air flow resistance is relatively small, and the flow rate is fast, which not only requires less electric energy to drive the air flow, but also The cooling efficiency inside the space to be cooled 300 is relatively high. In addition, using the ceiling hot channel 310 of the space to be cooled 300 to transport air can reduce the length of the air duct of the unit, reduce the space required by the unit, improve the use efficiency of the space to be cooled 300, and further reduce air resistance.

In FIG. 11, the first fan 120 is installed at the outlet of the first air duct 111 and is located outside the casing 110. Correspondingly, other types of units can also be used. For example, in FIG. 13, the first fan can be The 120 is installed at the inlet and outlet of the first air duct 111 and is located inside the casing 110 . Similarly, other types of units can also be mounted on the outer side of the space to be cooled 300 . Moreover, because the unit is installed outside the space to be cooled 300, the inlet of the first air duct 111 can also be open, that is, the inlet of the first air duct 111 can be communicated with all directions of the housing 110, so that the Air is sucked in in all directions, reducing the return air resistance and improving the overall energy efficiency.

(3) The unit is assembled inside the space to be cooled 300

Please refer to FIG. 14 and FIG. 15 , the indirect evaporative cooling unit 100 is used to be installed inside the space to be cooled 300 , and the number of the units is multiple. The outlet of the first air duct 111 is close to the center of the space to be cooled 300 relative to the inlet of the first air duct 111 . The indirect evaporative cooling unit 100 includes a second transfer air duct 250 . The supply air duct 230 and the return air duct 240 are both. In a straight line, one end of the return air duct 240 is connected to the inlet of the first air duct 111 through the second transition air duct 250, and the other end of the return air duct 240 is used to connect to the ceiling heat channel at the top of the space to be cooled 300 310 , the air supply duct 230 is used to communicate with the bottom of the space to be cooled 300 . In this way, the unit inputs cold air from the bottom of the space to be cooled 300, and sucks hot air from the top of the space to be cooled 300, so that the cold air flows from bottom to top inside the space to be cooled 300, and fully cools the air in the space to be cooled 300. server 320.

Specifically, the second adapting air duct 250 is L-shaped, the second adapting air duct 250 includes a fourth vertical portion 251 and a fourth horizontal portion 252 that communicate with each other, and the side of the fourth vertical portion 251 is provided with an inlet, The fourth horizontal portion 252 is located above the fourth vertical portion 251 and communicated with the return air duct 240 . In this way, when the hot air enters the return air duct 240 and is blown out from the supply air duct 230, the air only passes through two inflection points, so that the air flow resistance is small and the flow rate is fast, which not only requires less electric energy to drive the air flow, but also treats the The cooling efficiency inside the cooling space 300 is relatively high.

In FIG. 14, the first fan 120 is installed at the outlet of the first air duct 111 and is located outside the housing 110. Correspondingly, other types of units can also be used. For example, in FIG. 16, the first fan can be The 120 is installed at the inlet and outlet of the first air duct 111 and is located inside the casing 110 . Similarly, other types of units can also be mounted on the outer side of the space to be cooled 300 .

It can be seen that the assembly forms of the above three units provided in this embodiment in the space to be cooled 300 cause the air to experience at most two inflection points in the unit, and most of the air flows in a straight line, and the air flowing through the housing 110 The process of the first air duct 111 is straight in and straight out, so that the air flow resistance is small and the flow rate is fast.

It is easy to understand that the first adapter air duct 220, the supply air duct 230, the return air duct 240 and the second adapter air duct 250 can also adopt other forms, such as a certain arc in the length direction, Form arc tubes, etc.

This embodiment also provides a data center computer room. The data center computer room includes a space to be cooled 300 and any of the above-mentioned indirect evaporative cooling units 100 , and the assembly form of the indirect evaporative cooling unit 100 in the to-be-cooled space 300 can be any of the above. One, the data center computer room consumes less power due to cooling, and the heat dissipation performance in the space to be cooled 300 is better, which plays a good role in the normal operation of the internal equipment.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (14)

1. An indirect evaporative cooling unit is characterized by comprising a shell (110), an evaporator (130), a heat exchange core body (140), a first fan (120), a condenser (170) and a second fan (180); the shell (110) is provided with a first air duct (111) and a second air duct (112), and the first air duct (111) is linear and is crossed with the second air duct (112); the evaporator (130) and the heat exchange core (140) are installed in the first air duct (111), wherein the heat exchange core (140) is located at the intersection of the first air duct (111) and the second air duct (112); the first fan (120) is arranged on the first air duct (111) and used for driving air to flow into the first air duct (111) and sequentially pass through the heat exchange core (140) and the evaporator (130); the second fan (180) is arranged on the second air duct (112) and used for driving air to flow into the second air duct (112) and flow through the heat exchange core (140) and the condenser (170) in sequence.

2. The indirect evaporative cooling unit of claim 1, wherein the first air duct (111) comprises an air inlet side and an air outlet side, and the first fan (120) is disposed on the air inlet side or the air outlet side of the first air duct (111).

3. The indirect evaporative cooling unit of claim 1, wherein the first fan (120) and the second fan (180) are both mounted on the housing (110).

4. The indirect evaporative cooling unit of claim 1, further comprising a filter assembly (150), wherein the filter assembly (150) is disposed in the first air duct (111), and the filter assembly (150) and the evaporator (130) are respectively located on opposite sides of the heat exchange core (140).

5. The indirect evaporative cooling unit of claim 1, wherein the first fan (120) is movably disposed on the housing (110), the first fan (120) being disposed outside the housing (110) when the unit is in the first state, and the first fan (120) being disposed inside the housing (110) when the unit is in the second state.

6. The indirect evaporative cooling unit of any of claims 1 to 5, further comprising a spray assembly disposed within the second air duct (112) for spraying water onto the heat exchange core (140).

7. The indirect evaporative cooling unit of claim 6, wherein the spray assembly comprises a sprayer (162) disposed near the inlet side of the second air duct (112) or near the outlet side of the second air duct (112), a water pan (200) for receiving water sprayed from the sprayer (162), and a circulating water pump (210) communicating the water pan (200) with the sprayer (162).

8. The indirect evaporative cooling unit of claim 7, wherein the spray assembly further comprises a water collector (161), and the spray assembly is disposed on a side of the evaporator (130) adjacent to the heat exchange core (140).

9. A data center room, comprising:

the indirect evaporative cooling unit of any of claims 1-8;

a space (300) to be cooled;

an air supply duct (230); and

a return air duct (240);

wherein: one end of the air supply pipe (230) is communicated with an outlet of the first air duct (111), the other end of the air supply pipe (230) is communicated with the space (300) to be cooled, one end of the air return pipe (240) is communicated with an inlet of the first air duct (111), and the other end of the air return pipe (240) is communicated with the space (300) to be cooled.

10. The data center machine room of claim 9, further comprising a first transfer air duct (220), wherein the supply air duct (230) and the return air duct (240) are both linear, the indirect evaporative cooling unit is mounted on an outer side surface of the space to be cooled (300), an outlet of the first air duct (111) is disposed toward the space to be cooled (300), an inlet of the first air duct (111) is disposed away from the space to be cooled (300), one end of the supply air duct (230) is communicated with the outlet of the first air duct (111) through the first transfer air duct (220), the other end of the supply air duct (230) is communicated to the bottom of the space to be cooled (300), and the return air duct (240) is communicated to the top of the space to be cooled (300).

11. The data center room of claim 10, wherein the first transfer air duct (220) is L-shaped, the first transfer air duct (220) comprises a first vertical portion (221) and a first horizontal portion (222) which are communicated with each other, the side surface of the first vertical portion (221) is provided with an inlet and is communicated with the outlet of the first air duct (111), and the first horizontal portion (222) is located below the first vertical portion (221) and is communicated with the supply air duct (230).

12. The data center room of claim 9, wherein the indirect evaporative cooling unit is installed at the top of the space to be cooled (300), the supply air duct (230) and the return air duct (240) are both L-shaped, the supply air duct (230) includes a second vertical portion (231) and a second horizontal portion (232) that are communicated with each other, the return air duct (240) includes a third vertical portion (241) and a third horizontal portion (242) that are communicated with each other, the second horizontal portion (232), the first air duct (111), and the third horizontal portion (242) are sequentially communicated and located on the same straight line, and the second vertical portion (231) and the third vertical portion (241) are used for being connected to both sides of the top of the space to be cooled (300).

13. The data center machine room of claim 9, further comprising a second switching air duct (250), wherein the indirect evaporative cooling unit is installed inside the space to be cooled (300), the air supply duct (230) and the air return duct (240) are both linear, one end of the air return duct (240) is communicated with an inlet of the first air duct (111) through the second switching air duct (250), the other end of the air return duct (240) is used for being communicated with the top of the space to be cooled (300), one end of the air supply duct (230) is communicated with an outlet of the first air duct (111), and the other end of the air supply duct (230) is communicated with the bottom of the space to be cooled (300).

14. The data center room of claim 13, wherein the second transfer air duct (250) is L-shaped, the second transfer air duct (250) comprises a fourth vertical portion (251) and a fourth horizontal portion (252) which are communicated with each other, a side surface of the fourth vertical portion (251) is provided with an inlet and is communicated with an inlet of the first air duct (111), and the fourth horizontal portion (252) is located above the fourth vertical portion (251) and is communicated with the return air duct (240).

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