A heat dissipation and cooling system for a computer room, and a computer room

Abstract

The present invention belongs to the technical field of heat dissipation and cooling of computer rooms, and in particular, relates to a heat dissipation and cooling system for computer rooms and computer rooms. In the heat dissipation and cooling system for computer rooms, a support plate is used to place a cabinet, an air conditioner is placed below the support plate, a unit liquid outlet is connected to a liquid inlet end of a liquid infusion main pipe, a unit liquid inlet is connected to a liquid outlet end of a liquid return main pipe, a cooling liquid inlet is connected to a cooling tower outlet, a cooling liquid outlet is connected to a cooling tower inlet, a cold plate coil has a liquid inlet interface and a liquid outlet interface, a refrigeration liquid inlet is connected to a liquid infusion main pipe, a refrigeration liquid outlet is connected to a liquid return main pipe, a liquid outlet end of a first heat exchange flow path is connected to a liquid inlet interface, a liquid inlet end of a first heat exchange flow path is connected to a liquid outlet interface, an air conditioner liquid inlet is connected to a liquid infusion main pipe, and a liquid outlet interface is connected to a liquid return main pipe. The application of this technical solution solves the problem in the prior art that the heat in the computer room cannot be taken away in time, resulting in a high temperature in the computer room, which affects the normal and effective operation of the server.

Description

Technical Field

[0001] The invention belongs to the technical field of heat dissipation and cooling of a computer room, and in particular relates to a heat dissipation and cooling system for a computer room and a computer room. Background Art

[0002] At present, information technology is developing more and more, especially the development of Internet technology. The unprecedented development of network communication and big data has connected people through network data. In this way, in order to better realize data storage, the use of servers is indispensable. The servers are uniformly installed and arranged in the computer room. During the use of the servers, the servers will generate a lot of heat. Since the computer room is a closed computer room, the heat cannot be naturally dissipated, and it is necessary to use technical means to assist in heat dissipation. In the prior art, air conditioners are used in the computer room to blow cold air into the computer room, and the heat generated by the server is taken away by the circulation of cold air to achieve heat dissipation and cooling of the computer room. However, due to the unprecedented development of big data, the data required to be stored is getting larger and larger, and the server capacity is getting larger and larger. In this way, the number of servers required is also increasing, resulting in the heat in the computer room cannot be taken away in time, resulting in a high temperature in the computer room, affecting the normal and effective operation of the server. Summary of the invention

[0003] The purpose of the present invention is to provide a computer room heat dissipation and cooling system and a computer room, aiming to solve the problem in the prior art that the heat in the computer room cannot be taken away in time, resulting in a high temperature in the computer room, affecting the normal and effective operation of the server.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present invention is: a heat dissipation and cooling system for a computer room, comprising: a support plate, the support plate is used to place cabinets, and multiple cabinets form multiple rows spaced apart; a cover plate, the tops of each two adjacent rows of cabinets are connected with the cover plate, and the two adjacent rows of cabinets, the support plate and the cover plate form a channel, and the two sides of each row of cabinets correspond to the hot channel and the cold channel respectively; an air conditioner, the air conditioner and the cabinet are arranged under the support plate in a one-to-one correspondence, the air conditioner has an air inlet and an air outlet, the air inlet draws hot air from the hot channel, and the air outlet blows cold air to the cold channel; the heat dissipation and cooling system for the computer room also includes: an external heat release device, the external heat release device includes an infusion main pipe, a return liquid main pipe, a cooling tower and a water cooling unit, the infusion main pipe and the return liquid main pipe both extend to the air conditioner, the infusion main pipe and the return liquid main pipe The pipe and the return liquid main pipe are connected with the external heat release equipment to form a circulation flow path. The infusion main pipe is used to provide cooling fluid. The cooling tower has a cooling tower inlet and a cooling tower outlet. The water-cooled unit has a unit liquid inlet, a unit liquid outlet, a cooling liquid inlet and a cooling liquid outlet. The unit liquid outlet is connected to the infusion main pipe through a connecting pipeline, the unit liquid inlet is connected to the return liquid main pipe through a connecting pipeline, the cooling liquid inlet is connected to the cooling tower outlet through a connecting pipeline, and the cooling liquid outlet is connected to the cooling tower inlet through a connecting pipeline; the cold plate coil has a liquid inlet interface and a liquid outlet interface. The cold plate coil is used to be set on the cabinet to dissipate heat and cool the cabinet. The air conditioner has an air conditioning inlet and an air conditioning outlet. The air conditioning inlet is connected to the infusion main pipe, and the air conditioning outlet is connected to the return liquid main pipe.

[0005] Optionally, the computer room heat dissipation and cooling system further includes a first refrigerator, the first refrigerator having a first refrigeration liquid inlet, a first refrigeration liquid outlet and a first heat exchange flow path, the first refrigeration liquid inlet is connected to the liquid infusion main pipe, the first refrigeration liquid outlet is connected to the liquid return main pipe, the liquid outlet end of the first heat exchange flow path is connected to the liquid inlet interface, and the liquid inlet end of the first heat exchange flow path is connected to the liquid outlet interface.

[0006] Optionally, a regulating valve for adjusting the flow rate and flow velocity of the refrigerant liquid is provided on the connecting pipeline between the first refrigeration liquid inlet and the liquid infusion main pipe.

[0007] Optionally, the cooling tower outlet is connected to the liquid infusion main via a connecting pipeline, the cooling tower inlet is connected to the liquid return main via a connecting pipeline, and a valve A is provided on the connecting pipeline between the cooling tower outlet and the liquid infusion main, and a valve B is provided on the connecting pipeline between the cooling tower inlet and the liquid return main.

[0008] Optionally, a valve C is provided between the liquid outlet of the unit and the liquid inlet end of the liquid infusion main pipe, and a valve D is provided between the liquid inlet of the unit and the liquid outlet end of the liquid return main pipe.

[0009] Optionally, a valve E is provided between the cooling tower outlet and the cooling liquid inlet, and a valve F is provided between the cooling tower inlet and the cooling liquid outlet.

[0010] Optionally, the computer room heat dissipation and cooling system also includes a control module, valve A, valve B, valve C, valve D, valve E, valve F and regulating valve are all electromagnetic control valves, the control module is electrically connected to valve A, valve B, valve C, valve D, valve E, valve F and regulating valve, and the control module controls the operation of the air conditioner.

[0011] Optionally, a second refrigerator and a compressor are provided in the air conditioner, the second refrigerator having a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second heat exchange flow path, the second refrigeration liquid inlet is connected to the liquid infusion main pipe, the second refrigeration liquid outlet is connected to the liquid return main pipe, the liquid outlet end of the second heat exchange flow path is connected to the evaporator inlet of the air conditioner, the liquid inlet end of the second heat exchange flow path is connected to the evaporator outlet of the air conditioner, and the compressor is arranged on the connecting pipeline between the liquid inlet end of the second heat exchange flow path and the evaporator outlet of the air conditioner.

[0012] According to another aspect of the present invention, a computer room is provided. The computer room includes the aforementioned computer room heat dissipation and cooling system, a support plate is used as the floor of the computer room, a plurality of cabinets are arranged in the computer room to form a plurality of rows, two adjacent rows of cabinets and the ceiling and support plate of the computer room form a channel, the channels on both sides of each row of servers are respectively a hot channel and a cold channel, a row of air conditioners corresponds to a row of cabinets, the air conditioners have an air inlet and an air outlet, the air inlet is connected to the hot channel, and the air outlet is connected to the cold channel.

[0013] The present invention has at least the following beneficial effects:

[0014] In the present invention, heat dissipation and cooling are performed simultaneously by using the first heat exchange flow path of the air conditioner and the refrigerator, which more effectively achieves heat dissipation and cooling than the prior art, and can take away the retained heat in the computer room more promptly and quickly, so as to achieve the purpose of timely and quickly dissipating heat and cooling the computer room. Moreover, in the piping layout process of the heat dissipation and cooling system of the computer room, the piping between the air conditioner and the refrigerator is connected in parallel to the infusion main pipe and the return main pipe, so that the air conditioner and the refrigerator can use the same refrigerant as a whole for heat exchange work. While ensuring that the heat generated by the server can be effectively taken away, the overall piping layout structure of the heat dissipation and cooling system of the computer room is simplified, and the use of refrigerant is saved, thereby saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic diagram of the assembly of a computer room air conditioning system according to an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of the piping arrangement structure of a first embodiment of a computer room air conditioning system of the present invention;

[0018] Figure 3 A schematic diagram of the piping arrangement structure of a second embodiment of the computer room air conditioning system of the present invention;

[0019] Figure 4 A schematic diagram of the piping arrangement structure of a third embodiment of a computer room air conditioning system of the present invention;

[0020] Figure 5 A schematic diagram of the piping arrangement structure of a fourth embodiment of a computer room air conditioning system of the present invention;

[0021] Figure 6 A schematic diagram of the piping arrangement structure of a fifth embodiment of a computer room air conditioning system of the present invention;

[0022] Figure 7 It is a schematic diagram of the pipeline arrangement structure of the sixth embodiment of the computer room air conditioning system of the present invention.

[0023] Among them, the reference numerals in the figure are:

[0024] 10. Cabinet; 100. Support plate; 101. Hot channel; 102. Cold channel; 103. Channel door; 20. Air conditioner; 21. Air inlet; 22. Air outlet; 23. Air conditioner liquid inlet; 24. Air conditioner liquid outlet; 31. Liquid infusion main pipe; 32. Liquid return main pipe; 310. Cooling tower; 311. Cooling tower inlet; 312. Cooling tower outlet; 320. Water cooling unit; 321. Unit liquid inlet; 322. Unit liquid outlet; 40. Cold plate coil; 41. Liquid inlet interface; 42. Liquid outlet interface; 50. First refrigerator; 51. First refrigeration liquid inlet; 52. First refrigeration liquid outlet; 53. First heat exchange flow path; 61. Valve A; 62. Valve B; 63. Valve C; 64. Valve D; 66. Valve E; 65. Valve F; 301. Second refrigerator; 302. Compressor. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figure 1 and Figure 2As shown, the computer room air conditioning system provided by the first embodiment of the present invention includes a support plate 100, a plurality of cabinets 10 and a plurality of air conditioners 20, and the computer room air conditioning system also includes an external heat dissipation device and a cold plate coil 40. During the assembly and arrangement process, a plurality of cabinets 10 are placed on the support plate 100 (the support plate 100 is the floor of the computer room space) to form a plurality of rows, two adjacent rows of cabinets 10 and the ceiling and floor of the computer room space form a channel, and the channel openings formed between the two adjacent rows of cabinets 10 are provided with a sealed channel door 103, and the channels on both sides of a row of servers are respectively a hot channel 101 and a cold channel 102, that is, the hot channel 101 corresponds to the hot air side of the cabinet 10, and the cold channel 102 corresponds to the cold air side of the cabinet 10, wherein the two rows of cabinets 10 near the two side walls of the computer room space respectively form a hot channel 101 or a cold channel 102 with the wall. A plurality of air conditioners 20 are placed under the support plate 100 to form a plurality of rows, and one row of air conditioners 20 corresponds to one row of cabinets 10. In the specific configuration of the air path circulation process, the air conditioner 20 has an air inlet 21 and an air outlet 22. The air inlet 21 is connected to the hot channel 101, and the air outlet 22 is connected to the cold channel 102 (that is, the air inlet draws hot air from the hot air side, and the air outlet blows cold air to the cold air side). In this way, the cold air blown out of the air outlet 22 of the air conditioner 20 enters the cold channel 102, and then the cold air flows through the cabinet 10 to take away the heat, and 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 circulated from the air inlet 21 into the heat exchanger of the air conditioner 20 for circulating heat exchange, thereby forming cold air again and blowing it out from the air outlet 22. Furthermore, the computer room air conditioning system of the first embodiment also includes an infusion main pipe 31 and a return liquid main pipe 32. The infusion main pipe 31 is used to provide cooling fluid. The infusion main pipe 31 and the return liquid main pipe 32 both extend toward the air conditioner 20. The cold plate coil 40 has a liquid inlet interface 41 and a liquid outlet interface 42. The cold plate coil 40 is arranged on the cabinet 10. In this way, while the air conditioner 20 is used to blow cold air to the cabinet 10 for cooling, the cold plate coil 40 is used to achieve secondary heat dissipation and cooling, which is more conducive to the heat dissipation and cooling effect of the entire computer room air conditioning system. Among them, the air conditioner 20 also has an air conditioning liquid inlet 23 and an air conditioning liquid outlet 24. The air conditioning liquid inlet 23 is connected to the infusion main pipe 31, the air conditioning liquid outlet 24 is connected to the return liquid main pipe 32, the liquid inlet interface 41 is connected to the infusion main pipe 31, and the liquid outlet interface 42 is connected to the return liquid main pipe 32. In this way, a parallel relationship is formed between the air conditioner 20 and the cold plate coil 40, which are connected to the infusion main pipe 31 and the return liquid main pipe 32, that is, the air conditioner 20 and the cold plate coil 40 use the same refrigerant in parallel to perform heat exchange work to take away heat and achieve heat dissipation and cooling.

[0030] In the present invention, heat dissipation and cooling of the cabinet 10 are achieved simultaneously by using the air conditioner 20 and the cold plate coil 40. Compared with the prior art, heat dissipation and cooling of the cabinet 10 are achieved more effectively, and the heat retained in the computer room can be taken away more promptly and quickly, so as to achieve the purpose of timely and quickly dissipating heat and cooling the computer room. In addition, in the process of arranging the pipes of the computer room air conditioning system, the pipes between the air conditioner 20 and the cold plate coil 40 are connected in parallel, so that the air conditioner 20 and the cold plate coil 40 can be connected in parallel and use the same refrigerant as a whole for heat exchange. While ensuring that the heat can be effectively taken away, the overall pipe arrangement structure of the computer room air conditioning system is simplified, and the use of refrigerant is saved, thereby saving costs.

[0031] In order to be able to dissipate heat and cool down more effectively according to the heat temperature of the cabinet 10, on the basis of always keeping the air conditioner 20 working normally for heat dissipation and cooling, the heat exchange efficiency of the first refrigerator 50 is adjusted to achieve the purpose of heat dissipation and cooling of the overall adjustment system. Specifically, a regulating valve (not shown) for adjusting the flow rate and flow rate of the refrigerant is provided on the connecting pipeline between the first refrigeration liquid inlet 51 and the infusion main pipe 31. When the heat temperature of the cabinet 10 is low, the regulating valve is closed to reduce the refrigerant flowing to the first refrigerator 50 for heat exchange. At this time, only the air conditioner 20 can meet the requirements of heat dissipation and cooling of the cabinet 10; when the heat temperature of the cabinet 10 is high (the cabinet 10 generates a large amount of heat and the temperature rises rapidly), the regulating valve is opened to provide a large amount of refrigerant to the first refrigerator 50 to improve the heat exchange efficiency of the first refrigerator 50, so that the first refrigerator 50 can take away more heat from the cabinet 10.

[0032] In the present application, the first refrigerator 50 may be a plate heat exchanger, a shell and tube heat exchanger, a tank heat exchanger, or the like.

[0033] A regulating valve (not shown) is provided on the connecting pipeline between the first refrigeration liquid inlet 51 and the liquid infusion main pipe 31 , and the regulating valve can be used to adjust the heat exchange efficiency of the first refrigerator 50 to meet the heat exchange requirements of different heating conditions of the cabinet 10 .

[0034] In the first embodiment, the computer room air conditioning system further includes a first refrigerator 50, which is detachably mounted on the housing of the air conditioner 20, and the first refrigerator 50 and the air conditioner 20 are located below the support plate 100. Specifically, 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 first refrigeration liquid inlet 51 is connected to the liquid infusion main pipe 31, the first refrigeration liquid outlet 52 is connected to the liquid return main pipe 32, the liquid outlet end of the first heat exchange flow path 53 is connected to the liquid inlet interface 41, and the liquid inlet end of the first heat exchange flow path 53 is connected to the liquid outlet interface 42. By setting the first refrigerator 50, the cold plate coil 40 and the first refrigerator 50 form a secondary cooling cycle independent of the air conditioner 20, and the heat exchange between the cold plate coil 40 and the cabinet 10 is carried out by the refrigerant transported by the liquid infusion main pipe 31, thereby more effectively achieving heat dissipation and cooling.

[0035] The first refrigerator 50 can be installed in the system as an optional module. In the installation process, in order to shorten the length of the connecting pipeline, the air conditioning liquid inlet 23 and the air conditioning liquid outlet 24 are both set on the same side of the air conditioner 20, and the first refrigerator 50 is hung on the side of the air conditioner 20 where the air conditioning liquid inlet 23 and the air conditioning liquid outlet 24 are set, and the first refrigeration liquid inlet 51 and the first refrigeration liquid outlet 52 of the first refrigerator 50 are both set on the same side of the first refrigerator 50, and then, the pipeline connected from the first refrigeration liquid inlet 51 is connected to the air conditioning liquid outlet 24, and the pipeline connected from the first refrigeration liquid outlet 52 is connected to the return liquid main pipe 32. In this way, whether the first refrigerator 50 as an optional module is installed in the system or not, it does not affect the relative position between the air conditioner 20 and the infusion main pipe 31 and the return liquid main pipe 32, which is convenient for installation.

[0036] like Figure 2 As shown, in the computer room air conditioning system of the first embodiment, the external heat release device specifically uses a cooling tower 310 to store refrigerant and realize circulation. In the present invention, water is used as the refrigerant. The cooling tower 310 provides circulating refrigerant water to the pipeline of the computer room air conditioning system, and heat exchange is realized by the circulating water flowing in the air conditioner 20 and the cold plate coil 40. In the specific assembly process, the cooling tower 310 is placed outside the computer room space. The cooling tower 310 has a cooling tower inlet 311 and a cooling tower outlet 312. The cooling tower outlet 312 is connected to the liquid inlet end of the liquid infusion main pipe 31, and the cooling tower inlet 311 is connected to the liquid outlet end of the liquid return main pipe 32. Using water as the refrigerant can effectively save costs and is conducive to the popularization of the computer room air conditioning system.

[0037] The cooling tower 310 may be a water-cooled cooling tower, an air-cooled cooling tower, or a cooling tower that uses other refrigerant media for heat exchange.

[0038] Furthermore, in the computer 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 delivery main pipe 31, and a valve B62 is provided between the cooling tower inlet 311 and the liquid outlet end of the liquid return main pipe 32. In this way, the cooling tower 310 and the pipeline in the computer room air conditioning system can be connected and disconnected through the valve A61 and the valve B62. When the air conditioner 20 or the cold plate coil 40 needs to be maintained or replaced, the circulating water is cut off by closing the valve A61 and the valve B62, and then the maintenance and replacement work is carried out. At this time, the circulating water no longer flows into the computer room space, which is convenient for work.

[0039] like Figure 2 As shown, a water pump is provided on the cooling tower 310 and the liquid return main pipe 32, and a water pump is provided on the connecting pipeline between the liquid outlet end of the first heat exchange flow path 53 and the liquid inlet interface 41, and the water pump is used to provide circulating water flow power.

[0040] In the first embodiment, the cooling tower 310 inputs coolant into the air conditioner 20 for heat exchange to remove heat, so the air conditioner 20 in the first embodiment directly uses coolant to achieve heat exchange and cooling (no compressor is required in the air conditioner 20).

[0041] In the first embodiment, in order to realize the overall automatic monitoring and control, the control module is used to realize the control of valve A61, valve B62, and air conditioner 20, and realize the intelligent automatic control of the computer room air conditioning system. Among them, the control module can be any control system that can realize intelligent Internet of Things control, which is already popular in the prior art, so it will not be repeated here.

[0042] In the first embodiment, the cooling tower 310 may be a water-cooled cooling tower, an air-cooled cooling tower, or any other type of cooling tower that uses other refrigerant media to achieve heat exchange.

[0043] like Figure 3 , which shows a schematic diagram of the pipeline arrangement structure of the second embodiment of the present invention. Compared with the computer room air conditioning system of the first embodiment, the computer room air conditioning system of the second embodiment has the following differences.

[0044] In the computer room air conditioning system of the second embodiment, a second refrigerator 301 and a compressor 302 are provided 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 connected to the liquid infusion main pipe 31, and the second refrigeration liquid outlet is connected to the liquid return main pipe 32. The liquid outlet end of the second heat exchange flow path is connected to the evaporator inlet of the air conditioner 20, and the coolant output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. In addition, the liquid inlet end of the second heat exchange flow path is connected to the evaporator outlet of the air conditioner 20, and the compressor 302 is arranged on the connecting pipeline between the liquid inlet end of the second heat exchange flow path and the evaporator outlet of the air conditioner 20. The compressor 302 compresses the refrigerant fluid in the second heat exchange flow path, and transmits it to the evaporator of the air conditioner 20 for cooling, and then flows back to the second refrigerator 301 to exchange heat with the coolant delivered by the cooling tower 310, and the coolant takes away the heat, thereby achieving heat dissipation and cooling.

[0045] In the present application, the second refrigerator 301 may be a plate heat exchanger, a shell and tube heat exchanger, a tank heat exchanger, or the like.

[0046] Furthermore, a flow regulating valve (not shown) can be provided on the connecting pipeline between the main liquid infusion pipe 31 and the second refrigeration liquid inlet, so as to adjust the refrigeration output according to the demand of the air conditioner 20 to achieve the purpose of saving energy consumption.

[0047] Compared with the first embodiment, the second embodiment has the same structures except for the above structures, and thus will not be described in detail here.

[0048] like Figure 4 As shown, it shows a schematic diagram of the pipeline arrangement structure of the third embodiment of the present invention. Compared with the computer room air conditioning system of the first embodiment, the computer room air conditioning system of the third embodiment has the following differences.

[0049] In the computer room air conditioning system of the third embodiment, the external heat release device specifically uses a cooling tower 310 and a water cooling unit 320 at the same time, wherein the cooling tower 310 is mainly responsible for dissipating heat and cooling the water cooling unit 320, while the water cooling unit 320 provides circulating cooling water to the pipeline in the computer room air conditioning system to dissipate heat and cool the cabinet 10. In the specific assembly process, the cooling tower 310 has a cooling tower inlet 311 and a cooling tower outlet 312, and the water cooling unit 320 has a unit liquid inlet 321, a unit liquid outlet 322, a cooling liquid inlet and a cooling liquid outlet, the unit liquid outlet 322 is connected to the liquid inlet end of the liquid infusion main pipe 31, the unit liquid inlet 321 is connected to the liquid outlet end of the liquid return main pipe 32, the cooling liquid inlet is connected to the cooling tower outlet 312, and the cooling liquid outlet is connected to the cooling tower inlet 311.

[0050] Furthermore, a valve C63 is provided between the unit liquid outlet 322 and the liquid inlet end of the liquid infusion main pipe 31, a valve D64 is provided between the unit liquid inlet 321 and the liquid outlet end of the return liquid main pipe 32, a valve E66 is provided between the cooling tower outlet 312 and the cooling liquid inlet, and a valve F65 is provided between the cooling tower inlet 311 and the cooling liquid outlet. The cooling tower 310 and the pipeline in the machine room air conditioning system are connected and disconnected by valves C63 and D64. When the air conditioner 20 or the cold plate coil 40 needs to be maintained or replaced, the circulating water is cut off by closing valves C63 and D64, and then the maintenance and replacement work is carried out. At this time, the circulating water no longer flows into the machine room space, which is convenient for work. The pipe between the cooling tower 310 and the water cooling unit 320 is opened and closed by valve E66 and valve F65. When the water cooling unit 320 needs to be maintained or replaced, the circulating water is cut off by closing valve E66 and valve F65, and then the maintenance or replacement work is carried out. Correspondingly, the control module is also electrically connected to valve C63, valve D64, valve E66 and valve F65 to realize intelligent automatic control.

[0051] like Figure 4 As shown, a pump is provided on the liquid return main pipe 32 of the cooling tower 310, and a water pump is provided on the connecting pipeline between the liquid outlet end of the first heat exchange flow path 53 and the liquid inlet interface 41. The pump is used to provide circulating water flow power, and the water cooling unit 320 itself has a pump to provide output and reflux power for the circulating water.

[0052] Compared with the first embodiment, the third embodiment has the same structures except for the above structures, and thus will not be described in detail here.

[0053] like Figure 5 , which shows a schematic diagram of the piping arrangement structure of the computer room air conditioning system of the fourth embodiment of the present invention. Compared with the computer room air conditioning system of the third embodiment, the computer room air conditioning system of the fourth embodiment has the following differences.

[0054] In the machine room air conditioning system of the fourth embodiment, a second refrigerator 301 and a compressor 302 are provided 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 connected to the liquid delivery main pipe 31, and the second refrigeration liquid outlet is connected to the liquid return main pipe 32. The liquid outlet end of the second heat exchange flow path is connected to the evaporator inlet of the air conditioner 20, and the coolant output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. In addition, the liquid inlet end of the second heat exchange flow path is connected to the evaporator outlet of the air conditioner 20, and the compressor 302 is arranged on the connecting pipeline between the liquid inlet end of the second heat exchange flow path and the evaporator outlet of the air conditioner 20. The compressor 302 compresses the refrigerant fluid in the second heat exchange flow path, and delivers it to the evaporator of the air conditioner 20 for cooling, and then flows back to the second refrigerator 301 to exchange heat with the coolant delivered by the cooling tower 310, and the coolant takes away the heat, thereby achieving heat dissipation and cooling.

[0055] Furthermore, a flow regulating valve may be provided on the connecting pipeline between the liquid infusion main pipe 31 and the second refrigeration liquid inlet, so as to adjust the refrigeration output according to the demand of the air conditioner 20 to achieve the purpose of saving energy consumption.

[0056] Compared with the third embodiment, the fourth embodiment has the same structures except for the above structures, and thus will not be described in detail here.

[0057] like Figure 6 , which shows a schematic diagram of the piping arrangement structure of the computer room air conditioning system of the fifth embodiment of the present invention. Compared with the computer room air conditioning system of the third embodiment, the computer room air conditioning system of the fifth embodiment has the following differences.

[0058] In the computer room air conditioning system of the fifth embodiment, the cooling tower outlet 312 is connected to the liquid inlet end of the liquid infusion main pipe 31, and the cooling tower inlet 311 is connected to the liquid outlet end of the return liquid main pipe 32. A valve A61 is provided between the cooling tower outlet 312 and the liquid inlet end of the liquid infusion main pipe 31, and a valve B62 is provided between the cooling tower inlet 311 and the liquid outlet end of the return liquid main pipe 32. In this way, the cooling tower 310 and the water cooling unit 320 can be turned on and off by the valve A61 and the valve B62. When the water cooling unit 320 needs to be maintained, the circulating water can be cut off by closing the valve A61 and the valve B62. A valve E66 is provided between the cooling tower outlet 312 and the cooling liquid inlet, and a valve F65 is provided between the cooling tower inlet 311 and the cooling liquid outlet. By controlling valves E66, F65, C63 and D64, wherein valves E66 and F65 are opened and closed at the same time, and valves C63 and D64 are opened and closed at the same time, the switching between the pipeline connection between the cooling tower 310 and the computer room air conditioning system and the pipeline connection between the water cooling unit 320 and the computer room air conditioning system can be achieved.

[0059] When the cooling tower 310 is switched to be connected to the pipeline of the machine room air conditioning system, valve A61 and valve B62 are opened at the same time, and valve C63, valve D64, valve E66, and valve F65 are closed at the same time.

[0060] In order to further realize automatic control, the computer room air conditioning system of the fourth embodiment also includes a control module. Valve A61, valve B62, valve C63, valve D64, valve E66 and valve F65 are all electromagnetic control valves. The control modules are electrically connected to valve A61, valve B62, valve C63, valve D64, valve E66 and valve F65, and the control module controls the operation of the air conditioner 20.

[0061] In summary, the fifth embodiment is similar to the third embodiment in structure except for the above structure differences, and thus will not be described in detail herein.

[0062] like Figure 7 , which shows a schematic diagram of the piping arrangement structure of the computer room air conditioning system of the sixth embodiment of the present invention. Compared with the computer room air conditioning system of the fifth embodiment, the computer room air conditioning system of the sixth embodiment has the following differences.

[0063] In the sixth embodiment, the air conditioner 20 is provided with a second refrigerator 301 and a compressor 302. 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 connected to the liquid delivery main pipe 31, the second refrigeration liquid outlet is connected to the liquid return main pipe 32, the liquid outlet end of the second heat exchange flow path is connected to the evaporator inlet of the air conditioner 20, and the coolant output by the cooling tower 310 flows through the second refrigerator 301 for heat exchange. In addition, the liquid inlet end of the second heat exchange flow path is connected to the evaporator outlet of the air conditioner 20, and the compressor 302 is arranged on the connecting pipeline between the liquid inlet end of the second heat exchange flow path and the evaporator outlet of the air conditioner 20. The compressor 302 compresses the refrigerant fluid in the second heat exchange flow path, and delivers it to the evaporator of the air conditioner 20 for cooling, and then flows back to the second refrigerator 301 to exchange heat with the coolant delivered by the cooling tower 310, and the coolant takes away the heat, thereby achieving heat dissipation and cooling.

[0064] Furthermore, a flow regulating valve may be provided on the connecting pipeline between the liquid infusion main pipe 31 and the second refrigeration liquid inlet, so as to adjust the refrigeration output according to the demand of the air conditioner 20 to achieve the purpose of saving energy consumption.

[0065] In summary, the sixth embodiment is different from the fifth embodiment in that, except for the above structures, the rest of the structures are the same, and thus will not be described in detail herein.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation and cooling system for a computer room, comprising: A support plate, the support plate is used to place a cabinet, and two opposite sides of the cabinet are a hot air side and a cold air side respectively; An air conditioner, the air conditioner and the cabinet are arranged under the support plate in a one-to-one correspondence, the air conditioner sucks hot air from the hot air side, and the air conditioner blows cold air to the cold air side; It is characterized in that the heat dissipation and cooling system of the computer room also includes: An external heat release device, the external heat release device comprises a liquid infusion main pipe, a liquid return main pipe, a cooling tower and a water cooling unit, the liquid infusion main pipe and the liquid return main pipe both extend toward the air conditioner, the liquid infusion main pipe and the liquid return main pipe are both connected with the external heat release device to form a circulation flow path, the liquid infusion main pipe is used to provide cooling fluid, the cooling tower has a cooling tower inlet and a cooling tower outlet, the water cooling unit has a unit liquid inlet, a unit liquid outlet, a cooling liquid inlet and a cooling liquid outlet, the unit liquid outlet is connected with the liquid infusion main pipe through a connecting pipeline, the unit liquid inlet is connected with the liquid return main pipe through a connecting pipeline, the cooling liquid inlet is connected with the cooling tower outlet through a connecting pipeline, and the cooling liquid outlet is connected with the cooling tower inlet through a connecting pipeline; The cold plate coil has a liquid inlet interface and a liquid outlet interface. The cold plate coil is used to be arranged on the cabinet to dissipate heat and cool the cabinet. The air conditioner has an air conditioning liquid inlet and an air conditioning liquid outlet. The air conditioning liquid inlet is communicated with the liquid infusion main pipe, and the air conditioning liquid outlet is communicated with the liquid return main pipe.

2. The heat dissipation and cooling system for a computer room according to claim 1, characterized in that: The computer room heat dissipation and cooling system also includes a first refrigerator, the first refrigerator having a first refrigeration liquid inlet, a first refrigeration liquid outlet and a first heat exchange flow path, the first refrigeration liquid inlet is connected to the liquid infusion main pipe, the first refrigeration liquid outlet is connected to the liquid return main pipe, the liquid outlet end of the first heat exchange flow path is connected to the liquid inlet interface, and the liquid inlet end of the first heat exchange flow path is connected to the liquid outlet interface; A regulating valve for regulating the flow rate and flow velocity of the refrigerant is provided on the connecting pipeline between the first refrigeration liquid inlet and the liquid infusion main pipe.

3. The heat dissipation and cooling system for a computer room according to claim 2, characterized in that: The cooling tower outlet is connected to the liquid delivery main pipe through a connecting pipeline, and the cooling tower inlet is connected to the liquid return main pipe through a connecting pipeline. In addition, a valve A is provided on the connecting pipeline between the cooling tower outlet and the liquid delivery main pipe, and a valve B is provided on the connecting pipeline between the cooling tower inlet and the liquid return main pipe.

4. The heat dissipation and cooling system for a computer room according to claim 3, characterized in that: A valve C is provided between the liquid outlet of the unit and the liquid inlet end of the liquid infusion main pipe, and a valve D is provided between the liquid inlet of the unit and the liquid outlet end of the liquid return main pipe.

5. The heat dissipation and cooling system for a computer room according to claim 4, characterized in that: A valve E is provided between the cooling tower outlet and the cooling liquid inlet, and a valve F is provided between the cooling tower inlet and the cooling liquid outlet.

6. The heat dissipation and cooling system for a computer room according to claim 5, characterized in that: The computer room heat dissipation and cooling system also includes a control module. The valve A, the valve B, the valve C, the valve D, the valve E, the valve F and the regulating valve are all electromagnetic control valves. The control module is electrically connected to the valve A, the valve B, the valve C, the valve D, the valve E, the valve F and the regulating valve, and the control module controls the operation of the air conditioner.

7. The heat dissipation and cooling system for a computer room according to any one of claims 2 to 6, characterized in that: The air conditioner is provided with a second refrigerator and a compressor, the second refrigerator has a second refrigeration liquid inlet, a second refrigeration liquid outlet and a second heat exchange flow path, the second refrigeration liquid inlet is connected to the liquid infusion main pipe, the second refrigeration liquid outlet is connected to the liquid return main pipe, the liquid outlet end of the second heat exchange flow path is connected to the evaporator inlet of the air conditioner, the liquid inlet end of the second heat exchange flow path is connected to the evaporator outlet of the air conditioner, and the compressor is arranged on the connecting pipeline between the liquid inlet end of the second heat exchange flow path and the evaporator outlet of the air conditioner.

8. A machine room, characterized in that: The computer room includes the computer room heat dissipation and cooling system according to any one of claims 1 to 7, wherein the support plate serves as the floor of the computer room, and a plurality of cabinets are arranged in the computer room to form a plurality of rows, and two adjacent rows of cabinets and the ceiling and support plate of the computer room form a channel, and the channels on both sides of each row of servers are a hot channel and a cold channel respectively, and a row of air conditioners corresponds to a row of cabinets, and the air conditioner has an air inlet and an air outlet, wherein the air inlet is connected to the hot channel, and the air outlet is connected to the cold channel.

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