CN216905709U

CN216905709U - Internal and external circulation adjustable refrigeration system and data center

Info

Publication number: CN216905709U
Application number: CN202122674406.6U
Authority: CN
Inventors: 居静
Original assignee: Hebei Qinhuai Data Co Ltd
Current assignee: Hebei Qinhuai Data Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-07-05
Anticipated expiration: 2031-11-03

Abstract

The application discloses an internal and external circulation adjustable refrigeration system, which comprises a shell and a refrigeration module, wherein a partition plate is arranged in the shell and divides the shell into an equipment area and a machine room area; an air flow channel, an air outlet and an air inlet are arranged in the equipment area, and the refrigeration module is installed in the air flow channel; the partition board is provided with a first through hole and a second through hole; a bi-pass selection mechanism is arranged in the first through hole and used for controlling the first through hole to be communicated with the air flow channel or the air outlet; the air inlet is provided with a switch valve, the switch valve is used for controlling whether the air inlet is communicated with the air flow channel, and the air inlet and the second through hole are arranged at two ends of the refrigeration module. The problem that the cooling effect is not good and power consumption is big can be solved to this application.

Description

Internal and external circulation adjustable refrigeration system and data center

Technical Field

The application relates to the field of data center equipment, in particular to an internal and external circulation adjustable refrigeration system and a data center.

Background

In recent years, data centers are rapidly developed, the internal heat density of the data centers is rapidly increased, and the pressure for energy conservation and emission reduction is continuously increased, so that the traditional air conditioner special for a machine room is more and more not suitable for the requirements of the data centers, particularly the requirements of energy conservation and refrigeration density, and the traditional air conditioner product for the machine room is composed of an indoor unit and an outdoor unit, wherein the outdoor unit is simple and only comprises a condenser and a condensing fan, and the indoor unit is complex and comprises: compressor, evaporimeter, expansion valve, control system. The indoor units are generally made into a vertical cabinet type and are arranged around the machine room or in a proper place in the middle area of the machine room.

Along with the increase of the density and the heat productivity of the machine room server and the increase of the heat density of the machine room, the traditional machine room air conditioning equipment can not meet the requirement of machine room refrigeration more and more. For example: because the heat load of the data center is very large, sometimes even if the air conditioning system is fully arranged around the machine room, the requirement of the refrigerating capacity cannot be met, even if the air conditioner is also arranged in the middle of the machine room, the requirement of the heat load of the machine room cannot be met, and the electric energy consumption is very high.

Disclosure of Invention

An object of the application is to provide a refrigerating system and data center with adjustable inner and outer circulation, can solve the not good and big problem of power consumption of cooling effect.

In order to achieve the above object, in one aspect, the present application provides an internal and external circulation adjustable refrigeration system, including a housing and a refrigeration module, wherein a partition board is disposed in the housing, and the partition board divides the housing into an equipment area and a machine room area; an air flow channel, an air outlet and an air inlet are arranged in the equipment area, and the refrigeration module is installed in the air flow channel; the partition plate is provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively positioned at two ends of the air flow channel, and the second through hole is used for communicating the air flow channel with the machine room area; a two-way selection mechanism is arranged in the first through hole and used for controlling the first through hole to be communicated with the air channel or the air outlet; the air inlet is provided with a switch valve, the switch valve is used for controlling whether the air inlet is communicated with the air flow channel, and the air inlet and the second through hole are arranged at two ends of the refrigeration module.

As a further improvement of the above technical solution: the machine room area is internally provided with a machine room cabinet, the machine room cabinet divides the machine room area into a hot channel and a cold channel, the first through hole is communicated with the hot channel, and the cold channel is communicated with the second through hole.

As a further improvement of the above technical solution: the air outlet and the air inlet are positioned on different sides of the shell.

As a further improvement of the above technical solution: still be equipped with air purifier in the air runner, just air purifier sets up refrigeration module with between the air intake for carry out air purification to the air inlet.

As a further improvement of the above technical solution: and a fan and a water baffle are also arranged in the air flow channel, and the fan and the water baffle are positioned between the refrigeration module and the second through hole.

As a further improvement of the above technical solution: the refrigeration module comprises a mechanical refrigeration device and a cooling coil assembly which are arranged in parallel; a first temperature sensor is arranged in the cold channel, and the first temperature sensor is located in the cold channel and far away from one end of the second through hole.

As a further improvement of the above technical solution: the outside of casing is connected with second temperature sensor and rainwater sensor, judges the switching of two-way selection mechanism and ooff valve through second temperature sensor and rainwater sensor.

As a further improvement of the above technical solution: the double-pass selection mechanism comprises a transverse moving mechanism and a selection plate, and the transverse moving mechanism is used for driving the selection plate to slide in the first through hole.

As a further improvement of the above technical solution: a sliding groove is formed in the first through hole, and one end of the selection plate is connected in the sliding groove in a sliding manner; the transverse moving mechanism comprises a motor and a screw rod, the motor is fixed in the partition plate, the screw rod is rotatably connected in the sliding groove, the screw rod is in driving connection with the motor, and the screw rod is in threaded connection with the selector plate.

In order to achieve the above object, another aspect of the present application further provides a data center including the external circulation adjustable refrigeration system, wherein the housing is a container.

Therefore, according to the technical scheme provided by the application, the first through hole can be controlled to be communicated with the air flow channel or the air outlet by arranging the two-way selection mechanism, the opening and closing of the air inlet are controlled by matching with the switching valve, the mode of internal circulation refrigeration or external circulation refrigeration in the shell can be switched to cool according to the external environment (the external environment comprises the external air temperature and whether the external environment is rainy day), and the electric energy is saved under the condition that the cooling effect in the shell is ensured; meanwhile, an air purifier is arranged in the air flow channel, and air purification is carried out on inlet air during external circulation, so that the harm of impurities in the air to an internal machine room is avoided, and the normal operation of the machine room is ensured; meanwhile, the refrigeration module is matched with a mechanical refrigeration device and a cooling coil assembly for use, and the mechanical refrigeration device is selected for use according to a detection signal of the first temperature sensor, so that the refrigeration effect is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of an external circulation structure of an internal and external circulation adjustable refrigeration system according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an external cycle configuration of an internal and external cycle adjustable refrigeration system according to an embodiment of the present disclosure;

FIG. 3 is an axial view of a baffle according to one embodiment provided herein;

FIG. 4 is a schematic view of a portion of the structure of FIG. 3;

in the figure: 1. a housing; 11. a machine room area; 12. an equipment area; 121. an air flow passage; 122. an air outlet; 123. an air inlet; 2. a partition plate; 21. a first through hole; 22. a second through hole; 3. a machine room cabinet; 31. a hot aisle; 32. a cold aisle; 321. a first temperature sensor; 4. a refrigeration module; 5. a two-way selection mechanism; 51. selecting a plate; 52. a motor; 53. a screw; 6. an on-off valve; 7. an air purifier; 71. a fan; 72. a water baffle; 8. a second temperature sensor; 9. a rain sensor.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, 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 spatially relative positional terms 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 at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can 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 application can be understood by those of ordinary skill in the art as appropriate.

Along with the increase of the density and the heat productivity of the machine room server and the increase of the heat density of the machine room, the traditional machine room air conditioning equipment can not meet the requirement of machine room refrigeration more and more. For example: because the heat load of the data center is very large, sometimes even if the air conditioning system is fully arranged around the machine room, the requirement of the refrigerating capacity cannot be met, even if the air conditioner is also arranged in the middle of the machine room, the requirement of the heat load of the machine room cannot be met, and the electric energy consumption is very high. Therefore, an internal and external circulation adjustable refrigeration system and a data center are urgently needed, and the problems of poor cooling effect and high electric energy consumption can be solved.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. It should be apparent that the embodiments described in this application are only some embodiments of the present application, and not all embodiments of the present application. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.

In an implementation manner, as shown in fig. 1 to 4, in order to achieve the above object, an internal and external circulation adjustable refrigeration system is provided, which includes a casing 1 and a refrigeration module 4, a partition board 2 is disposed in the casing 1, and the partition board 2 divides the inside of the casing 1 into a device area 12 and a machine room area 11, where the device area 12 is used for placing refrigeration equipment and the machine room area 11 is used for placing machine room equipment; an air flow channel 121, an air outlet 122 and an air inlet 123 are arranged in the equipment area 12, and the refrigeration module 4 is installed in the air flow channel 121; the air flow channel 121 is used for circulating air to flow through the channel, and the exhaust port 122 is used for discharging hot air from the channel when the external circulation is started; the air inlet 123 is used for opening the external circulation, and the cold air outside enters the housing 1 from the air inlet.

The partition plate 2 is provided with a first through hole 21 and a second through hole 22, the first through hole 21 is used for a heat dissipation air circulation outlet in the machine room area 11, the second through hole 22 is used for a heat dissipation air circulation inlet in the machine room area 11, specifically, the first through hole 21 and the second through hole 22 are respectively located at two ends of the air flow channel 121, and the air flow channel 121 is communicated with the machine room area 11 through the second through hole 22;

in order to realize the switching action of the two heat dissipation modes of the internal circulation and the external circulation, a two-way selection mechanism 5 is arranged in the first through hole 21, and the two-way selection mechanism 5 is used for controlling the first through hole 21 to be communicated with the air flow channel 121 or the air outlet 122; meanwhile, the air inlet 123 is provided with a switch valve 6, the switch valve 6 is used for controlling whether the air inlet 123 is communicated with the air flow passage 121, and the air inlet 123 and the second through hole 22 are located at two ends of the refrigeration module 4.

In the context of a particular implementation,

when heat dissipation internal circulation action is required, specifically referring to fig. 2, at this time, the two-way selection mechanism 5 controls the first through hole 21 to be communicated with the air flow channel 121 (the first through hole 21 is naturally sealed with the air outlet 122), the air inlet 123 is closed by the switch valve 6, at this time, air circulates between the machine room area 11 and the equipment area 12, and in the process of recirculation, the air in the way is cooled by the refrigeration module 4.

When heat dissipation external circulation action is required, specifically referring to fig. 1, at this time, the two-way selection mechanism 5 controls the first through hole 21 to be communicated with the air outlet 122 (the first through hole 21 is naturally sealed with the air flow channel 121), the switch valve 6 opens the air inlet 123, at this time, cold air enters the air flow channel 121 from the air inlet 123 and enters the machine room area 11 through the second through hole 22 to perform heat exchange to dissipate heat of machine room equipment, and hot air after heat exchange flows out of the casing 1 through the first through hole 21 and the air outlet 122.

The machine room area 11 is specifically arranged, a machine room cabinet 3 is arranged in the machine room area, and the machine room cabinet 3 is generally composed of a plurality of machine cabinets arranged in a straight line; computer lab cabinet 3 divides into hot aisle 31 and cold aisle 32 with computer lab district 11, first through-hole 21 and hot aisle 31 intercommunication, cold aisle 32 and second through-hole 22 intercommunication to divide into two air flow ways of hot aisle and cold aisle with computer lab district 11, thereby conveniently carry out even heat dissipation to computer lab cabinet 3.

Preferably, the air outlet 122 and the air inlet 123 are located on different sides of the housing 1, so as to prevent the air outlet and the air inlet of the housing 1 from being disordered to influence the overall heat dissipation effect.

As preferred, when adopting the extrinsic cycle, outside air can directly enter into casing 1 in and directly dispel the heat to equipment in computer lab cabinet 3, in order to avoid pollutants such as sulphide, nitrogen oxide that contain in the outside air to produce the influence to equipment in the computer lab cabinet 3, this application still is equipped with air purifier 7 in air runner 121, and air purifier 7 sets up between refrigeration module 4 and air intake 123 for carry out air purification to the inlet air. Of course, the air purifier 7 may also be located between the first through hole 21 and the refrigeration module 4, and during the internal circulation, when the air needs to be purified, the air purification may also be adopted.

In the present application, a fan 71 and a water baffle 72 are further disposed in the air flow channel 121, and the positions of the fan 71 and the water baffle 72 are set such that the fan 71 and the water baffle 72 are located between the refrigeration module 4 and the second through hole 22, wherein the fan 71 can adjust the power, so as to adjust the air circulation speed according to the actual situation; the water baffle 72 is selectively used for areas with high moisture in the air, so that the normal use of equipment in the machine room cabinet is prevented from being influenced by the moisture.

The refrigeration module 4 is mainly used for exchanging heat and cooling hot air passing through the refrigeration module to form cold air, so that heat dissipation is convenient for a machine room cabinet, at present, the refrigeration module 4 in the market is various, and the refrigeration module 4 comprises a mechanical refrigeration device and a cooling coil assembly which are arranged in parallel under the condition of ensuring the refrigeration effect;

in addition, a first temperature sensor 321 is arranged in the cold channel 32, the actual temperature condition in the cold channel 32 is detected by the first temperature sensor 321, so as to judge the use condition of the mechanical refrigeration device and the cooling coil assembly, under the normal condition, in the internal circulation, the temperature displayed by the first temperature sensor 321 is in a preset temperature range, the cooling coil assembly is preferentially selected, and when the cooling coil assembly is difficult to achieve the cooling effect, the mechanical refrigeration device is started; in the external circulation, the first temperature sensor 321 displays a temperature within a predetermined temperature range, and external air is used for cooling, and then, the cooling coil assembly and the mechanical cooling device are sequentially turned on.

Moreover, the first temperature sensor 321 is located at an end of the cold air duct 32 far from the second through hole 22, and the position is farthest from the air inlet, and the most temperature determination criterion is optimal.

In order to judge when to adopt the extrinsic cycle heat dissipation and when to adopt the intrinsic cycle heat dissipation, this application is connected with second temperature sensor 8 and rainwater sensor 9 in the outside of casing 1, judges the switching of two-way selection mechanism 5 and ooff valve 6, specific position through second temperature sensor 8 and rainwater sensor 9: in rainy days, internal circulation is adopted; and when the outside temperature is lower than the preset value in non-rainy days, adopting external circulation.

There are various ways of the double-pass selection mechanism 5, wherein the double-pass selection mechanism 5 in the present application includes a lateral moving mechanism and a selection plate 51, and the lateral moving mechanism is used to drive the selection plate 51 to slide in the first through hole 21. A sliding groove is arranged in the first through hole 21, and one end of the selection plate 51 is connected in the sliding groove in a sliding manner; the transverse moving mechanism comprises a motor 52 and a screw 53, the motor 52 is fixed in the partition board 2, the screw 53 is rotatably connected in the chute, the screw 53 is in driving connection with the motor 52, and the screw 53 is in threaded connection with the selection board 51. The motor 52 is used to drive the screw 53 to rotate, so as to drive the selection plate 51 to slide in the chute, and further to perform selection switching between the air channel 121 and the air outlet 122.

Based on the same inventive concept, the application also provides a data center, which comprises the external circulation adjustable refrigeration system, wherein the shell 1 adopts a container.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The internal and external circulation adjustable refrigeration system is characterized by comprising a shell (1) and a refrigeration module (4), wherein a partition plate (2) is arranged in the shell (1), and the partition plate (2) divides the interior of the shell (1) into an equipment area (12) and a machine room area (11);

an air flow channel (121), an air outlet (122) and an air inlet (123) are arranged in the equipment area (12), and the refrigeration module (4) is installed in the air flow channel (121);

a first through hole (21) and a second through hole (22) are formed in the partition plate (2), the first through hole (21) and the second through hole (22) are respectively located at two ends of the air flow channel (121), and the air flow channel (121) is communicated with the machine room area (11) through the second through hole (22);

a double-pass selection mechanism (5) is arranged in the first through hole (21), and the double-pass selection mechanism (5) is used for controlling the first through hole (21) to be communicated with the air flow channel (121) or the air outlet (122);

the air inlet (123) is provided with a switch valve (6), the switch valve (6) is used for controlling whether the air inlet (123) is communicated with the air flow channel (121), and the air inlet (123) and the second through hole (22) are located at two ends of the refrigeration module (4).

2. The internal and external circulation adjustable refrigeration system according to claim 1, wherein a machine room cabinet (3) is disposed in the machine room area (11), the machine room cabinet (3) divides the machine room area (11) into a hot channel (31) and a cold channel (32), the first through hole (21) is communicated with the hot channel (31), and the cold channel (32) is communicated with the second through hole (22).

3. The adjustable refrigerating system with internal and external circulation as recited in claim 1, wherein said air outlet (122) and said air inlet (123) are located on different sides of said housing (1).

4. The internal and external circulation adjustable refrigeration system according to claim 1, wherein an air purifier (7) is further disposed in the air flow channel (121), and the air purifier (7) is disposed between the refrigeration module (4) and the air inlet (123) for purifying the intake air.

5. The adjustable refrigerating system with internal and external circulation as recited in claim 1 or 4, characterized in that a fan (71) and a water baffle (72) are further disposed in said air flow channel (121), and said fan (71) and said water baffle (72) are located between said refrigerating module (4) and said second through hole (22).

6. The adjustable internal and external circulation refrigeration system as claimed in claim 2, characterized in that the refrigeration module (4) comprises a mechanical refrigeration device and a cooling coil assembly arranged in parallel; a first temperature sensor (321) is arranged in the cold channel (32), and the first temperature sensor (321) is positioned at one end, far away from the second through hole (22), in the cold channel (32).

7. The adjustable refrigerating system with internal and external circulation as recited in claim 1, characterized in that a second temperature sensor (8) and a rain sensor (9) are connected to the outside of said housing (1), and the opening and closing of said two-way selection mechanism (5) and said on-off valve (6) are determined by said second temperature sensor (8) and said rain sensor (9).

8. The adjustable internal and external circulation refrigerating system as recited in claim 1, characterized in that said two-way selector mechanism (5) comprises a lateral moving mechanism and a selector plate (51), said lateral moving mechanism is used to drive said selector plate (51) to slide in said first through hole (21).

9. The adjustable refrigerating system with internal and external circulation as recited in claim 8, wherein a sliding groove is arranged in said first through hole (21), and one end of said selection plate (51) is slidably connected in said sliding groove; the transverse moving mechanism comprises a motor (52) and a screw rod (53), the motor (52) is fixed in the partition plate (2), the screw rod (53) is rotatably connected in the sliding groove, the screw rod (53) is in driving connection with the motor (52), and the screw rod (53) is in threaded connection with the selection plate (51).

10. A data center comprising an external circulation adjustable refrigeration system as claimed in any one of claims 1 to 9, wherein the housing (1) is a container.