CN212936542U - Machine room heat dissipation and cooling system and machine room - Google Patents

Abstract

The utility model belongs to the technical field of the computer lab heat dissipation cooling, especially, relate to a computer lab heat dissipation cooling system, computer lab. In this computer lab heat dissipation cooling system, the backup pad is used for laying the rack, the air conditioner sets up in the below of backup pad, infusion house steward all extends to the air conditioner with returning the liquid house steward, the cold drawing coil pipe has feed liquor interface and goes out the liquid interface, the cold drawing coil pipe is used for setting up on the rack, first refrigerator has the refrigeration inlet, refrigeration liquid outlet and first heat transfer flow path, the air conditioner inlet communicates with infusion house steward, refrigeration inlet and air conditioner liquid outlet intercommunication, refrigeration liquid outlet and returning the liquid house steward intercommunication, the liquid outlet and the feed liquor interface intercommunication of first heat transfer flow path, the liquid inlet end and the liquid interface intercommunication of first heat transfer flow path, first adjusting valve sets up on the pipeline between air conditioner liquid outlet and refrigeration inlet. By the technical scheme, the problem that heat in the machine room cannot be taken away in time in the prior art, so that the temperature in the machine room is high, and normal heat dissipation of the cabinet is influenced is solved.

Description

Machine room heat dissipation and cooling system and machine room

Technical Field

The utility model belongs to the technical field of the computer lab heat dissipation cooling, especially, relate to a computer lab heat dissipation cooling system, computer lab.

Background

At present, the development of information technology, especially the development of internet technology, and the unprecedented development of network communication and big data enable people to be connected together through network data. Thus, the use of a server is essential for better data storage. The servers are uniformly arranged in the machine room, and can generate a large amount of heat in the use process of the servers, and the heat cannot be naturally dissipated because the machine room is a closed machine room space, and the heat dissipation needs to be assisted by using technical means. In prior art, use the air conditioner to blow cold wind in the computer lab, through the cold wind circulation and take away the heat that the server produced and realize the cooling of computer lab heat dissipation, however, because the unprecedented development of big data, the data of required storage is bigger and bigger with the server capacity, and like this, required server quantity is also more and more, leads to the heat in the computer lab can't in time be taken away and lead to the temperature in the computer lab higher, influences that the server is normal, effective work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a computer lab heat dissipation cooling system, computer lab aim at solving among the prior art heat in the computer lab can't in time be taken away and lead to the temperature in the computer lab higher, influence the problem that the server is normal, effective work.

In order to achieve the above object, the utility model adopts the following technical scheme: a computer lab cooling system that looses heat, includes:

the support plate is used for placing the cabinet, and the two opposite sides of the cabinet are a hot air side and a cold air side respectively;

the air conditioner is arranged below the supporting plate and is provided with an air inlet and an air outlet, the air inlet is used for sucking hot air at the hot air side, and the air outlet is used for blowing cold air to the cold air side;

computer lab heat dissipation cooling system still includes:

the main infusion pipe and the main liquid return pipe extend towards the air conditioner;

the cold plate coil is provided with a liquid inlet interface and a liquid outlet interface and is used for being arranged on the machine cabinet to dissipate heat and cool the machine cabinet;

the first refrigerator is provided with a refrigeration liquid inlet, a refrigeration liquid outlet and a first heat exchange flow path, the air conditioner is also provided with an air conditioner liquid inlet and an air conditioner liquid outlet, the air conditioner liquid inlet is communicated with the liquid conveying main pipe, the refrigeration liquid inlet is communicated with the air conditioner liquid outlet, the refrigeration liquid outlet is communicated with the liquid return main pipe, the liquid outlet end of the first heat exchange flow path is communicated with the liquid inlet interface, and the liquid inlet end of the first heat exchange flow path is communicated with the liquid outlet interface;

and the first regulating valve is arranged on a pipeline between the air conditioner liquid outlet and the refrigeration liquid inlet.

Optionally, a pipeline between the refrigeration liquid inlet and the first regulating valve is connected with a regulating branch pipe, the other end of the regulating branch pipe is communicated with the liquid conveying main pipe, and the regulating branch pipe is provided with a second regulating valve.

Optionally, the heat dissipation and cooling system for the machine room further comprises a cooling tower, the cooling tower is placed outside the space of the machine room, the cooling tower is provided with a cooling tower inlet and a cooling tower outlet, the cooling tower outlet is communicated with the liquid inlet end of the liquid feeding main pipe, and the cooling tower inlet is communicated with the liquid outlet end of the liquid returning main pipe.

Optionally, a valve a is arranged between the outlet of the cooling tower and the liquid inlet end of the liquid feeding main pipe, and a valve B is arranged between the inlet of the cooling tower and the liquid outlet end of the liquid returning main pipe.

Optionally, the heat dissipation and cooling system of the machine room further comprises a control module, the valve a, the valve B, the first adjusting valve and the second adjusting valve are all electromagnetic control valves, the control module is electrically connected with the valve a, the valve B, the first adjusting valve and the second adjusting valve, and the control module controls the air conditioner to operate.

Optionally, a second refrigerator and a compressor are arranged in the air conditioner, the second refrigerator is provided with a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second first heat exchange flow path, the second refrigeration liquid inlet is communicated with the liquid conveying main pipe, the second refrigeration liquid outlet is communicated with the liquid return main pipe, the liquid outlet end of the second first heat exchange flow path is communicated with the evaporator inlet of the air conditioner, the liquid inlet end of the second first heat exchange flow path is communicated with the evaporator outlet of the air conditioner, and the compressor is arranged on a connecting pipeline between the liquid inlet end of the second first heat exchange flow path and the evaporator outlet of the air conditioner.

Optionally, a water pump is arranged between the liquid outlet end of the first heat exchange flow path and the liquid inlet interface.

According to the utility model discloses a further aspect provides a computer lab. This computer lab includes aforementioned computer lab heat dissipation cooling system, and the backup pad is as the floor of computer lab, and a plurality of cabinets are laid and are formed the multiseriate in the computer lab, and adjacent two ceiling, the backup pad that are listed as rack and computer lab form the passageway, and the both sides passageway of each server of being listed as is hot passageway and cold passageway respectively, and a row of air conditioner corresponds a rack, and the air conditioner has air intake and air outlet, and air intake and hot passageway intercommunication, air outlet and cold passageway intercommunication.

The utility model discloses following beneficial effect has at least:

the utility model discloses in, realize the heat dissipation cooling simultaneously through the first heat transfer flow path that uses air conditioner and first refrigerator, compared in prior art and realized the heat dissipation cooling more effectively, can be more timely, take away the heat of the stop in the computer lab fast, reach timely, the purpose of cooling for the computer lab heat dissipation fast, and, in the pipeline arrangement in-process of this computer lab, through adopting the air conditioner, first refrigerator, the pipeline between infusion house steward and the liquid return house steward is established ties, and can control the heat exchange efficiency of first refrigerator through controlling first adjusting valve in a flexible way, make the air conditioner and first refrigerator can wholly use the same refrigerating fluid to carry out heat transfer work, the whole pipeline arrangement structure of computer lab has also been simplified when guaranteeing to effectively take away the heat, and the use amount of refrigerating fluid has been saved, and the cost is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic assembly diagram of a machine room air conditioning system according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a pipeline arrangement structure of a first embodiment of the air conditioning system of the machine room of the present invention;

fig. 3 is a schematic structural diagram of a deformed node of the piping arrangement of the first embodiment of the air conditioning system in the machine room according to the present invention;

fig. 4 is a schematic structural diagram of another modified structure of the piping arrangement of the first embodiment of the air conditioning system in the machine room according to the present invention;

fig. 5 is a schematic diagram of a pipeline arrangement structure of a second embodiment of the air conditioning system in the machine room of the present invention;

fig. 6 is a schematic diagram of a modified structure of the piping arrangement of the second embodiment of the air conditioning system in the machine room according to the present invention;

fig. 7 is a schematic structural diagram of another variation of the piping arrangement of the second embodiment of the air conditioning system in the machine room according to the present invention;

fig. 8 is a schematic view of a pipeline arrangement structure of a third embodiment of the air conditioning system in the machine room of the present invention;

fig. 9 is a schematic diagram of a modified structure of the piping arrangement of the third embodiment of the air conditioning system in the machine room according to the present invention;

fig. 10 is a schematic structural diagram of another modification of the piping arrangement of the third embodiment of the air conditioning system in a machine room according to the present invention.

Wherein, in the figures, the respective reference numerals:

10. a cabinet; 100. a support plate; 101. a hot aisle; 102. a cold aisle; 103. an access door; 20. an air conditioner; 21. an air inlet; 22. an air outlet; 23. a liquid inlet of an air conditioner; 24. an air conditioner liquid outlet; 31. a main infusion pipe; 32. a liquid return header pipe; 310. a cooling tower; 311. an inlet of a cooling tower; 312. an outlet of the cooling tower; 320. a water cooling unit; 321. a liquid inlet of the unit; 322. a unit liquid outlet; 323. cooling the liquid inlet; 324. a cooling liquid outlet; 40. a cold plate coil; 41. a liquid inlet interface; 42. a liquid outlet interface; 50. a first refrigerator; 51. a first refrigeration liquid inlet; 52. a first refrigeration liquid outlet; 53. a first heat exchange flow path; 61. a valve A; 62. a valve B; 63. a valve C; 64. a valve D; 65. a valve E; 66. a valve F; 201. a first regulating valve; 202. adjusting the branch pipe; 203. a second regulating valve; 301. a second refrigerator; 302. a compressor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and 2, a machine room air conditioning system according to a first embodiment of the present invention includes a support plate 100, a plurality of cabinets 10, and a plurality of air conditioners 20, and further includes an external heat releasing device and a cold plate coil 40. The machine room air conditioning system is applied to a machine room, a plurality of cabinets 10 are placed on a supporting plate 100 (the supporting plate 100 is the floor of the machine room space) to form a plurality of rows, two adjacent rows of cabinets 10 and the ceiling and the floor of the machine room space form a channel, a closed channel door 103 is arranged at a channel opening of the channel formed between the two adjacent rows of cabinets 10, channels on two sides of one row of servers are a hot channel 101 and a cold channel 102 respectively, namely, the hot channel 101 corresponds to the hot air side of the cabinet 10, the cold channel 102 corresponds to the cold air side of the cabinet 10, and the two rows of cabinets 10 close to the walls on two sides of the machine room space form the hot channel 101 or the cold channel 102 with the walls respectively. A plurality of air conditioners 20 are placed below the support plate 100 in a plurality of rows, and one row of air conditioners 20 corresponds to one row of the cabinet 10. In the specific configuration air path circulation process, the air conditioner 20 has an air inlet 21 and an air outlet 22, the air inlet 21 is communicated with the hot channel 101, and the air outlet 22 is communicated with the cold channel 102 (that is, the air inlet draws hot air on the hot air side, and the air outlet blows cold air to the cold air side), so that the cold air blown from the air outlet 22 of the air conditioner 20 enters the cold channel 102, the cold air flows through the cabinet 10 to take away heat, the air flow flows into the hot channel 101, the hot air in the hot channel 101 is sucked by the air conditioner 20 and circularly enters the heat exchanger of the air conditioner 20 from the air inlet 21 to perform circular heat exchange, so that the cold air is formed again and blown out from the air outlet 22. Further, the computer lab air conditioning system of first embodiment still includes infusion house steward 31 and liquid return house steward 32, infusion house steward 31 is used for providing refrigerating fluid, infusion house steward 31 all extends to air conditioner 20 with liquid return house steward 32, cold drawing coil 40 has feed liquor interface 41 and goes out liquid interface 42, cold drawing coil 40 sets up on rack 10, thus, when utilizing air conditioner 20 to blow cold wind to rack 10 and cool down, utilize cold drawing coil 40 to realize the secondary heat dissipation cooling, be favorable to whole computer lab air conditioning system's heat dissipation cooling effect more. The air conditioner 20 is further provided with an air conditioner liquid inlet 23 and an air conditioner liquid outlet 24, the air conditioner liquid inlet 23 is communicated with the liquid conveying main pipe 31, the air conditioner liquid outlet 24 is communicated with the liquid inlet interface 41, and the liquid outlet interface 42 is communicated with the liquid return main pipe 32, so that a series mode is formed between the air conditioner 20 and the cold plate coil 40, namely the same refrigerating fluid is used between the air conditioner 20 and the cold plate coil 40 for heat exchange work so as to take away heat generated by the server and realize heat dissipation and cooling on the server.

The utility model discloses in, realize the heat dissipation cooling to rack 10 simultaneously through using air conditioner 20 and cold drawing coil 40, compared in prior art and realized the heat dissipation cooling to rack 10 more effectively, can be more timely, take away the heat of the stop in the computer lab fast, reach timely, the purpose of cooling for the computer lab heat dissipation fast, and, in this computer lab air conditioning system's pipeline arrangement in-process, establish ties through the pipeline that adopts between air conditioner 20 and the cold drawing coil 40, make air conditioner 20 and cold drawing coil 40 can use the same refrigeration liquid to carry out heat transfer work wholly, when guaranteeing to effectively take away the heat, the whole pipeline arrangement structure of computer lab air conditioning system has also been simplified, and the use amount of refrigeration liquid has been saved, and the cost is saved.

In the first embodiment, the machine room air conditioning system further includes the first refrigerator 50, the first refrigerator 50 is detachably hung on the housing of the air conditioner 20, and the first refrigerator 50 is located below the support plate 100 together with the air conditioner 20. Specifically, the first refrigerator 50 has a first refrigeration inlet 51, a first refrigeration outlet 52 and a first heat exchange flow path 53, the first refrigeration inlet 51 is communicated with the air conditioner outlet 24, the first refrigeration outlet 52 is communicated with the liquid return manifold 32, the liquid outlet of the first heat exchange flow path 53 is communicated with the liquid inlet port 41, and the liquid inlet of the first heat exchange flow path 53 is communicated with the liquid outlet port 42. Through setting up first refrigerator 50 for be independent of the second grade cooling cycle of air conditioner 20 between cold plate coil 40 and the first refrigerator 50, heat transfer between cold plate coil 40 and the rack 10 lies in the refrigerant liquid that infusion house steward 31 carried and carries out the heat transfer, thereby realizes the heat dissipation cooling more effectively.

The first refrigerator 50 can be selectively installed in the system as a selective assembly module, and in the selective assembly process, in order to shorten the length of the connection pipeline, therefore, the air conditioner inlet 23 and the air conditioner outlet 24 are both disposed at the same side position of the air conditioner 20, the first refrigerator 50 is externally hung at the side position of the air conditioner 20 where the air conditioner inlet 23 and the air conditioner outlet 24 are disposed, and the first refrigeration inlet 51 and the first refrigeration outlet 52 of the first refrigerator 50 are both disposed at the same side of the first refrigerator 50, then, the pipeline connected from the first refrigeration inlet 51 is communicated with the air conditioner outlet 24, and the pipeline connected from the first refrigeration outlet 52 is communicated with the liquid return header pipe 32. Therefore, no matter whether the first refrigerator 50 as the optional module is selected to be installed in the system or not, the relative positions of the air conditioner 20 and the liquid feeding main pipe 31 and the liquid returning main pipe 32 are not influenced, and the installation is convenient.

As shown in fig. 2, in the machine room air conditioning system of the first embodiment, the external heat releasing device specifically uses the cooling tower 310 to store the refrigerant fluid and realize circulation, the cooling tower 310 provides the circulating refrigerant water to the pipeline of the machine room air conditioning system by using water as the refrigerant fluid, and the heat exchange is realized between the air conditioner 20 and the cold plate coil 40 by the flowing of the circulating water. In the specific assembly process, the cooling tower 310 is placed outside the machine room space, the cooling tower 310 is provided with a cooling tower inlet 311 and a cooling tower outlet 312, the cooling tower outlet 312 is communicated with the liquid inlet end of the liquid conveying main pipe 31, and the cooling tower inlet 311 is communicated with the liquid outlet end of the liquid returning main pipe 32. The water is used as the refrigerating fluid, so that the cost can be effectively saved, and the popularization and the use of the machine room air conditioning system are facilitated.

Further, in the machine room air conditioning system of the first embodiment, a valve a61 is provided between the cooling tower outlet 312 and the liquid inlet end of the liquid feeding main pipe 31, and a valve B62 is provided between the cooling tower inlet 311 and the liquid outlet end of the liquid returning main pipe 32. Therefore, the on-off of the cooling tower 310 and the pipeline in the air conditioning system of the machine room can be realized through the valve A61 and the valve B62, when the air conditioner 20 or the cold plate coil 40 needs to be maintained and replaced, the circulating water is cut off by closing the valve A61 and the valve B62, then the maintenance and replacement work is carried out, and the circulating water does not flow into the space of the machine room any more at this time, so that the work is convenient.

As shown in fig. 2, a water pump is disposed on the connecting pipeline between the cooling tower 310 and the liquid return header pipe 32, and a water pump is disposed on the connecting pipeline between the liquid outlet end of the first heat exchange flow path 53 and the liquid inlet port 41, and the water pump is used to provide circulating water flow power.

In the first embodiment, in order to realize the overall automatic monitoring and control, the control module is used to realize the control of the valve a61, the valve B62 and the air conditioner 20, and the intelligent automatic control of the air conditioning system of the machine room is realized. The control module is only a control system capable of realizing intelligent internet of things control, and is popularized in the prior art, so that the detailed description is omitted.

Fig. 3 is a schematic structural diagram of a modification of the piping arrangement of the first embodiment. Specifically, a first adjusting valve 201 is arranged on a pipeline between the first refrigeration liquid inlet 51 and the air conditioner liquid outlet 24, so that in the working process of the heat dissipation and cooling equipment of the machine room air conditioning system, when cold air is blown into the machine room air conditioning system by the air conditioner 20 to take away heat generated by the machine cabinet 10, and simultaneously, the cold plate coil 40 is used for taking away heat generated by the machine cabinet 10, the flow and the flow speed of the refrigerant liquid between the pipeline of the air conditioner 20 and the pipeline of the first refrigerator 50 can be adjusted by the first adjusting valve 201, small flow is controlled when the machine cabinet 10 generates less heat, and large flow of the refrigerant liquid is opened to meet the heat dissipation and cooling requirements when the machine cabinet 10 generates heat severely. Thus, the power consumption is saved, the energy is saved, and the cost is reduced.

Further, in the modified structure of the first embodiment, a regulating branch 202 is connected to a pipe between the first refrigerant inlet 51 and the first regulating valve 201, the other end of the regulating branch 202 communicates with the feed main 31, and a second regulating valve 203 is provided on the regulating branch 202. In the process of cooling down to rack 10, when rack 10 acutely generates heat, then can be through opening second adjusting valve 203 this moment, carry out the fluid infusion to first refrigerator 50 in the follow infusion house steward 31 to the increase gets into the refrigeration liquid flow and the velocity of flow of first refrigerator 50, make heat transfer fast high-efficiently between first refrigerator 50 and the cold plate coil pipe 40, thereby can take away the heat of more racks 10, reinforcing cold plate coil pipe 40 is to the cooling effect of dispelling the heat of rack 10. Generally, the air conditioner 20 and the cold plate coil 40 are connected in series to satisfy the cooling requirement, so the second regulating valve 203 is normally closed (i.e. the regulating branch 202 is disconnected and cannot pass the refrigerant fluid).

This modified structure is the same except that the above structure is different from that of the first embodiment.

Fig. 4 is a schematic structural diagram of another modification of the piping arrangement of the first embodiment. A second refrigerator 301 and a compressor 302 are arranged in the air conditioner 20, the second refrigerator 301 has a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second heat exchange flow path, the second refrigeration liquid inlet is communicated with the liquid feeding main pipe 31, the second refrigeration liquid outlet is communicated with the liquid return main pipe 32, the liquid outlet end of the second heat exchange flow path is communicated with the evaporator inlet of the air conditioner 20, and the cooling liquid output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. And the liquid inlet end of the second heat exchange flow path is communicated with the outlet of the evaporator of the air conditioner 20, the compressor 302 is arranged on a connecting pipeline between the liquid inlet end of the second heat exchange flow path and the outlet of the evaporator of the air conditioner 20, the compressor 302 compresses the refrigerating fluid in the second heat exchange flow path, the refrigerating fluid is transmitted to the evaporator of the air conditioner 20 for refrigeration, and then the refrigerating fluid flows back to the second refrigerator 301 to exchange heat with the cooling fluid transmitted by the cooling tower 310, and then the cooling fluid takes away heat, so that heat dissipation and cooling are realized. Furthermore, a flow regulating valve can be arranged on a connecting pipeline between the liquid conveying main pipe 31 and the second refrigeration liquid inlet, so that the regulation can be carried out according to the refrigeration output requirement of the air conditioner 20, and the purpose of saving energy consumption is achieved.

In the present application, the first refrigerator 50 and the second refrigerator 301 may be a plate heat exchanger, a double pipe heat exchanger, a tank heat exchanger, or the like. The cooling tower 310 may be a water cooling tower, an air cooling tower, or any other cooling tower that uses a cooling medium to exchange heat.

As shown in fig. 5, it shows a schematic diagram of a pipeline layout structure according to a second embodiment of the present invention. Among them, the room air conditioning system of the second embodiment has the following differences compared with the room air conditioning system of the first embodiment.

In the machine room air conditioning system of the second embodiment, the external heat releasing device specifically uses the cooling tower 310 and the water chiller unit 320 at the same time, wherein the cooling tower 310 is mainly responsible for cooling the water chiller unit 320, and the water chiller unit 320 provides circulating cooling water for the pipeline in the machine room air conditioning system to cool the cabinet 10. In the specific assembling process, the cooling tower 310 is provided with a cooling tower inlet 311 and a cooling tower outlet 312, the water chiller 320 is provided with a unit liquid inlet 321, a unit liquid outlet 322, a cooling liquid inlet 323 and a cooling liquid outlet 324, the unit liquid outlet 322 is communicated with the liquid inlet end of the liquid conveying main pipe 31, the unit liquid inlet 321 is communicated with the liquid outlet end of the liquid return main pipe 32, the cooling liquid inlet 323 is communicated with the cooling tower outlet 312, and the cooling liquid outlet 324 is communicated with the cooling tower inlet 311.

Further, a valve C63 is arranged between the unit liquid outlet 322 and the liquid inlet end of the liquid feeding main pipe 31, a valve D64 is arranged between the unit liquid inlet 321 and the liquid outlet end of the liquid returning main pipe 32, a valve E65 is arranged between the cooling tower outlet 312 and the cooling liquid inlet 323, and a valve F66 is arranged between the cooling tower inlet 311 and the cooling liquid outlet 324. The on-off of the cooling tower 310 and the pipeline in the air conditioning system of the machine room is realized through the valve C63 and the valve D64, when the air conditioner 20 or the cold plate coil 40 needs to be maintained and replaced, the circulating water is cut off by closing the valve C63 and the valve D64, then the maintenance and replacement work is carried out, and at the moment, the circulating water does not flow into the space of the machine room any more, so that the work is convenient. The on-off of the pipeline between the cooling tower 310 and the water chiller unit 320 is realized through the valve E65 and the valve F66, and when the water chiller unit 320 needs to be maintained and replaced, the circulating water is cut off by closing the valve E65 and the valve F66, and then the maintenance and replacement work is carried out. Accordingly, the control module is also electrically connected with the valve C63, the valve D64, the valve E65 and the valve F66 for intelligent automatic control.

As shown in fig. 5, a pump is disposed on a connection pipeline between the cooling tower 310 and the liquid return header pipe 32, a water pump is disposed on a connection pipeline between the liquid outlet end of the first heat exchange flow path 53 and the liquid inlet port 41, a water pump is disposed between the water chiller 320 and the liquid return header pipe 32, the pump is used to provide circulating water flow power, and the water chiller 320 itself has a pump to provide output and return power for the circulating water.

Compared with the first embodiment, the second embodiment has the same structure except for the above structure, and thus, the description thereof is omitted.

Fig. 6 shows a schematic diagram of an alternative structure of the pipeline layout according to the second embodiment of the present invention. Specifically, a first adjusting valve 201 is arranged on a pipeline between the first refrigeration liquid inlet 51 and the air conditioner liquid outlet 24, so that in the working process of the heat dissipation and cooling equipment of the machine room air conditioning system, when cold air is blown into the machine room air conditioning system by the air conditioner 20 to take away heat generated by the machine cabinet 10, and simultaneously, the cold plate coil 40 is used for taking away heat generated by the machine cabinet 10, the flow and the flow speed of the refrigerant liquid between the pipeline of the air conditioner 20 and the pipeline of the first refrigerator 50 can be adjusted by the first adjusting valve 201, small flow is controlled when the machine cabinet 10 generates less heat, and large flow of the refrigerant liquid is opened to meet the heat dissipation and cooling requirements when the machine cabinet 10 generates heat severely. Thus, the power consumption is saved, the energy is saved, and the cost is reduced.

Further, in the modified structure of the first embodiment, a regulating branch 202 is connected to a pipe between the first refrigerant inlet 51 and the first regulating valve 201, the other end of the regulating branch 202 communicates with the feed main 31, and a second regulating valve 203 is provided on the regulating branch 202. In the process of cooling down to rack 10, when rack 10 acutely generates heat, then can be through opening second adjusting valve 203 this moment, carry out the fluid infusion to first refrigerator 50 in the follow infusion house steward 31 to the increase gets into the refrigeration liquid flow and the velocity of flow of first refrigerator 50, make heat transfer fast high-efficiently between first refrigerator 50 and the cold plate coil pipe 40, thereby can take away the heat of more racks 10, reinforcing cold plate coil pipe 40 is to the cooling effect of dispelling the heat of rack 10. Generally, the air conditioner 20 and the cold plate coil 40 are connected in series to satisfy the cooling requirement, so the second regulating valve 203 is normally closed (i.e. the regulating branch 202 is disconnected and cannot pass the refrigerant fluid). The modified structure is the same as the third embodiment except that the above structure is different.

Fig. 7 is a schematic diagram showing another alternative structure of the piping arrangement according to the second embodiment of the present invention. A second refrigerator 301 and a compressor 302 are arranged in the air conditioner 20, the second refrigerator 301 has a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second heat exchange flow path, the second refrigeration liquid inlet is communicated with the liquid feeding main pipe 31, the second refrigeration liquid outlet is communicated with the liquid return main pipe 32, the liquid outlet end of the second heat exchange flow path is communicated with the evaporator inlet of the air conditioner 20, and the cooling liquid output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. And the liquid inlet end of the second heat exchange flow path is communicated with the outlet of the evaporator of the air conditioner 20, the compressor 302 is arranged on a connecting pipeline between the liquid inlet end of the second heat exchange flow path and the outlet of the evaporator of the air conditioner 20, the compressor 302 compresses the refrigerating fluid in the second heat exchange flow path, the refrigerating fluid is transmitted to the evaporator of the air conditioner 20 for refrigeration, and then the refrigerating fluid flows back to the second refrigerator 301 to exchange heat with the cooling fluid transmitted by the cooling tower 310, and then the cooling fluid takes away heat, so that heat dissipation and cooling are realized. Furthermore, a flow regulating valve can be arranged on a connecting pipeline between the liquid conveying main pipe 31 and the second refrigeration liquid inlet, so that the regulation can be carried out according to the refrigeration output requirement of the air conditioner 20, and the purpose of saving energy consumption is achieved.

As shown in fig. 8, it shows a schematic diagram of a piping arrangement structure of a machine room air conditioning system according to a third embodiment of the present invention. The machine room air conditioning system of the third embodiment has the following differences compared with the machine room air conditioning system of the second embodiment.

In the machine room air conditioning system of the third embodiment, the cooling tower outlet 312 is communicated with the liquid inlet end of the liquid feeding main pipe 31, the cooling tower inlet 311 is communicated with the liquid outlet end of the liquid returning main pipe 32, a valve a61 is arranged between the cooling tower outlet 312 and the liquid inlet end of the liquid feeding main pipe 31, and a valve B62 is arranged between the cooling tower inlet 311 and the liquid outlet end of the liquid returning main pipe 32, so that the connection and disconnection between the cooling tower 310 and the water chiller unit 320 can be realized through the valve a61 and the valve B62, and when the water chiller unit 320 needs to be maintained, the circulating water is cut off by closing the valve a61 and the valve B62. A valve E65 is arranged between the cooling tower outlet 312 and the cooling liquid inlet 323, a valve F66 is arranged between the cooling tower inlet 311 and the cooling liquid outlet 324, and the valve E65, the valve F66, the valve C63 and the valve D64 are controlled, wherein the valve E65 and the valve F66 are simultaneously on and off, and the valve C63 and the valve D64 are simultaneously on and off, so that the switching of the pipeline communication of the cooling tower 310 and the machine room air conditioning system and the pipeline communication of the water cooling unit 320 and the machine room air conditioning system can be realized.

When the cooling tower 310 is switched to be communicated with the pipeline of the machine room air conditioning system, the valve A61 and the valve B62 are opened simultaneously, and the valve C63, the valve D64, the valve E65 and the valve F66 are closed simultaneously.

To further realize the automatic control, therefore, the machine room air conditioning system of the fourth embodiment further includes a control module, the valve a61, the valve B62, the valve C63, the valve D64, the valve E65 and the valve F66 are all electromagnetic control valves, the control module is electrically connected with the valve a61, the valve B62, the valve C63, the valve D64, the valve E65 and the valve F66, and the control module controls the operation of the air conditioner 20.

When the refrigeration requirement is large and the refrigeration load is high, the water cooling unit needs to be started to operate, at the moment, the valve A61 and the valve B62 are in a closed state, chilled water enters the water cooling unit through the valve C63, the valve D64 exits the water cooling unit, cold water in the cooling tower enters the water cooling unit through the valve E65, and the valve F66 exits the water cooling unit. When the refrigeration demand is big, when cold volume load is high, for example autumn and winter, need not to open the water chiller this moment, then valve C63, valve D64, valve E65 and valve F66 all close this moment, and valve A61, valve B62 open, rely on the cooling tower heat dissipation can satisfy the refrigeration demand.

Fig. 9 is a schematic structural diagram of a modification of the piping arrangement of the third embodiment. Specifically, a first adjusting valve 201 is arranged on a pipeline between the first refrigeration liquid inlet 51 and the air conditioner liquid outlet 24, so that in the working process of the heat dissipation and cooling equipment of the machine room air conditioning system, when cold air is blown into the machine room air conditioning system by the air conditioner 20 to take away heat generated by the machine cabinet 10, and simultaneously, the cold plate coil 40 is used for taking away heat generated by the machine cabinet 10, the flow and the flow speed of the refrigerant liquid between the pipeline of the air conditioner 20 and the pipeline of the first refrigerator 50 can be adjusted by the first adjusting valve 201, small flow is controlled when the machine cabinet 10 generates less heat, and large flow of the refrigerant liquid is opened to meet the heat dissipation and cooling requirements when the machine cabinet 10 generates heat severely. Thus, the power consumption is saved, the energy is saved, and the cost is reduced.

Further, in the modified structure of the first embodiment, a regulating branch 202 is connected to a pipe between the first refrigerant inlet 51 and the first regulating valve 201, the other end of the regulating branch 202 communicates with the feed main 31, and a second regulating valve 203 is provided on the regulating branch 202. In the process of cooling down to rack 10, when rack 10 acutely generates heat, then can be through opening second adjusting valve 203 this moment, carry out the fluid infusion to first refrigerator 50 in the follow infusion house steward 31 to the increase gets into the refrigeration liquid flow and the velocity of flow of first refrigerator 50, make heat transfer fast high-efficiently between first refrigerator 50 and the cold plate coil pipe 40, thereby can take away the heat of more racks 10, reinforcing cold plate coil pipe 40 is to the cooling effect of dispelling the heat of rack 10. Generally, the air conditioner 20 and the cold plate coil 40 are connected in series to satisfy the cooling requirement, so the second regulating valve 203 is normally closed (i.e. the regulating branch 202 is disconnected and cannot pass the refrigerant fluid). The modified structure is the same as the fourth embodiment except that the above structure is different.

Fig. 10 is a schematic diagram showing another alternative structure of the piping arrangement according to the third embodiment of the present invention. A second refrigerator 301 and a compressor 302 are arranged in the air conditioner 20, the second refrigerator 301 has a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second heat exchange flow path, the second refrigeration liquid inlet is communicated with the liquid feeding main pipe 31, the second refrigeration liquid outlet is communicated with the liquid return main pipe 32, the liquid outlet end of the second heat exchange flow path is communicated with the evaporator inlet of the air conditioner 20, and the cooling liquid output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. And the liquid inlet end of the second heat exchange flow path is communicated with the outlet of the evaporator of the air conditioner 20, the compressor 302 is arranged on a connecting pipeline between the liquid inlet end of the second heat exchange flow path and the outlet of the evaporator of the air conditioner 20, the compressor 302 compresses the refrigerating fluid in the second heat exchange flow path, the refrigerating fluid is transmitted to the evaporator of the air conditioner 20 for refrigeration, and then the refrigerating fluid flows back to the second refrigerator 301 to exchange heat with the cooling fluid transmitted by the cooling tower 310, and then the cooling fluid takes away heat, so that heat dissipation and cooling are realized. Furthermore, a flow regulating valve can be arranged on a connecting pipeline between the liquid conveying main pipe 31 and the second refrigeration liquid inlet, so that the regulation can be carried out according to the refrigeration output requirement of the air conditioner 20, and the purpose of saving energy consumption is achieved.

In summary, compared with the third embodiment, the fourth embodiment has the same structure except for the above structure, and thus the description thereof is omitted.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A computer lab cooling system that looses heat, includes:

the cabinet air conditioner comprises a supporting plate (100), wherein the supporting plate (100) is used for placing a cabinet (10), and two opposite sides of the cabinet (10) are a hot air side and a cold air side respectively;

the air conditioner (20) is arranged below the supporting plate (100), the air conditioner (20) is provided with an air inlet (21) and an air outlet (22), the air inlet (21) sucks hot air on the hot air side, and the air outlet (22) blows cold air to the cold air side;

its characterized in that, computer lab heat dissipation cooling system still includes:

the air conditioner comprises an infusion main pipe (31) and a liquid return main pipe (32), wherein both the infusion main pipe (31) and the liquid return main pipe (32) extend to the air conditioner (20);

the cooling plate coil (40) is provided with a liquid inlet interface (41) and a liquid outlet interface (42), and the cooling plate coil (40) is arranged on the cabinet (10) to dissipate heat and cool the cabinet (10);

the first refrigerator (50), the first refrigerator (50) has a first refrigeration liquid inlet (51), a first refrigeration liquid outlet (52) and a first heat exchange flow path (53), the air conditioner (20) further has an air conditioner liquid inlet (23) and an air conditioner liquid outlet (24), the air conditioner liquid inlet (23) is communicated with the liquid conveying main pipe (31), the first refrigeration liquid inlet (51) is communicated with the air conditioner liquid outlet (24), the first refrigeration liquid outlet (52) is communicated with the liquid returning main pipe (32), the liquid outlet end of the first heat exchange flow path (53) is communicated with the liquid inlet interface (41), and the liquid inlet end of the first heat exchange flow path (53) is communicated with the liquid outlet interface (42);

the first adjusting valve (201), first adjusting valve (201) sets up on the pipeline between air conditioner liquid outlet (24) and first refrigeration inlet (51).

2. The heat dissipation and cooling system for machine room of claim 1,

the first refrigeration inlet (51) with be connected with on the pipeline between first adjusting valve (201) and adjust branch pipe (202), the other end of adjusting branch pipe (202) with infusion house steward (31) intercommunication, just be equipped with second adjusting valve (203) on adjusting branch pipe (202).

3. The heat dissipation and cooling system for machine room of claim 2,

the computer room heat dissipation and cooling system further comprises a cooling tower (310), the cooling tower (310) is arranged outside the computer room space, the cooling tower (310) is provided with a cooling tower inlet (311) and a cooling tower outlet (312), the cooling tower outlet (312) is communicated with the liquid inlet end of the liquid feeding main pipe (31), and the cooling tower inlet (311) is communicated with the liquid outlet end of the liquid returning main pipe (32).

4. The heat dissipation and cooling system for machine room of claim 3,

and a valve A (61) is arranged between the outlet (312) of the cooling tower and the liquid inlet end of the liquid feeding main pipe (31), and a valve B (62) is arranged between the inlet (311) of the cooling tower and the liquid outlet end of the liquid returning main pipe (32).

5. The heat dissipation and cooling system for machine room of claim 4,

computer lab heat dissipation cooling system still includes control module, valve A (61) valve B (62) first adjusting valve (201) with second adjusting valve (203) are solenoid electric valve, control module all with valve A (61) valve B (62) first adjusting valve (201) with second adjusting valve (203) electric connection, and control module controls air conditioner (20) operation.

6. The heat dissipation and cooling system for machine room of claim 1,

be equipped with second refrigerator (301) and compressor (302) in air conditioner (20), second refrigerator (301) has second refrigeration inlet, second refrigeration liquid outlet and the first heat transfer flow path of second, second refrigeration inlet with infusion house steward (31) intercommunication, second refrigeration liquid outlet with return liquid house steward (32) intercommunication, the play liquid end of the first heat transfer flow path of second with the evaporimeter entry intercommunication of air conditioner (20), the inlet port of the first heat transfer flow path of second with the evaporimeter export intercommunication of air conditioner (20), compressor (302) set up in the inlet port of the first heat transfer flow path of second with the connecting pipeline of the evaporimeter export of air conditioner (20).

7. The heat dissipation and cooling system for machine room of claim 1,

and a water pump is arranged between the liquid outlet end of the first heat exchange flow path (53) and the liquid inlet interface (41).

8. A machine room, characterized in that the machine room comprises the heat dissipation and cooling system of any one of claims 1 to 7, the support plate (100) is used as a floor of the machine room, a plurality of cabinets (10) are placed in the machine room to form a plurality of rows, two adjacent rows of cabinets (10) and the ceiling of the machine room and the support plate (100) form channels, the channels on two sides of each row of servers are respectively a hot channel (101) and a cold channel (102), one row of air conditioners (20) corresponds to one row of cabinets (10), each air conditioner (20) is provided with an air inlet (21) and an air outlet (22), the air inlet (21) is communicated with the hot channel (101), and the air outlet (22) is communicated with the cold channel (102).

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