WO2013097369A1 - Water-cooling radiating system - Google Patents

Water-cooling radiating system Download PDF

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Publication number
WO2013097369A1
WO2013097369A1 PCT/CN2012/072976 CN2012072976W WO2013097369A1 WO 2013097369 A1 WO2013097369 A1 WO 2013097369A1 CN 2012072976 W CN2012072976 W CN 2012072976W WO 2013097369 A1 WO2013097369 A1 WO 2013097369A1
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WO
WIPO (PCT)
Prior art keywords
cooling water
water
cooling
water system
stage
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PCT/CN2012/072976
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French (fr)
Chinese (zh)
Inventor
朱旺法
景佰亨
薛松
Original Assignee
中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013097369A1 publication Critical patent/WO2013097369A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20763—Liquid cooling without phase change
    • H05K7/2079—Liquid cooling without phase change within rooms for removing heat from cabinets

Definitions

  • the present invention relates to the field of heat dissipation of communication devices, and in particular to a water-cooling heat dissipation system.
  • BACKGROUND OF THE INVENTION Moore's Law states that the efficiency of electronic products doubles every 18 months, so the heat consumption of electronic products also increases; at the same time, the structural size of electronic products is getting smaller and smaller, which together lead to the unit The heat flow in the volume is getting larger and larger, and the problem of heat dissipation in the system becomes more and more prominent.
  • a typical blade server system has a total heat consumption of the order of 10 3 -10 4 W, a volume of only 10-10 2 L, and a heat flow per unit volume of the order of 10 2 -10 3 W/L.
  • the current refrigeration liquid cooling system is not only uneconomical, but also has high maintenance costs. At the same time, it also causes real problems such as large energy consumption and pollution, and is not suitable for the energy conservation and emission reduction concept advocated by the state.
  • SUMMARY OF THE INVENTION The present invention provides a water-cooling heat dissipation system to at least solve the related art that the forced air cooling heat dissipation method cannot meet the heat dissipation requirements of the high heat consumption equipment, consumes a large amount of energy, and consumes a large amount of energy and maintenance costs of the refrigeration type liquid cooling system. High problem.
  • a water-cooling heat dissipation system comprising: a primary cooling water system, wherein a cooling capacity of a primary cooling water system is transmitted to a secondary cooling water system through a water-water heat exchanger;
  • the cooling water system transfers the cooling capacity of the secondary cooling water system to the equipment to be dissipated through the water-to-air heat exchanger.
  • the first end of the water-water heat exchanger is in contact with the primary cooling water in the primary cooling water system, and the second end of the water-water heat exchanger is in contact with the secondary cooling water in the secondary cooling water system , configured to transfer the cooling capacity of the primary cooling water system to the secondary cooling water system;
  • the first end of the water-to-air heat exchanger is connected to the secondary cooling water in the secondary cooling water system
  • the second end of the water-to-air heat exchanger is connected to the device to be dissipated, and is arranged to transfer the cooling capacity of the secondary cooling water system to the device to be dissipated.
  • the primary cooling water system is an open system
  • the secondary cooling water system is a closed circulation system.
  • the water-cooling heat dissipation system further includes: a pipeline serving as a flow passage of the primary cooling water in the primary cooling water system and the secondary cooling water in the secondary cooling water system; the water pump, disposed in the secondary cooling water system In the connection with the pipeline, it is arranged to drive the secondary cooling water to circulate in the pipeline by the pump pressure of the water pump.
  • the water-cooling heat dissipation system further includes: a water supply tank connected to the pipeline through the valve, and configured to adjust the secondary cooling water added to the pipeline according to the current water flow rate of the secondary cooling water in the pipeline and the required cooling capacity. Water flow.
  • the water cooling system further includes: a temperature automatic control system, comprising: a temperature probe disposed at a return air inlet of the device to be cooled, configured to detect a return air temperature in the device to be cooled, so as to be adjusted according to the measured return air temperature
  • a temperature automatic control system comprising: a temperature probe disposed at a return air inlet of the device to be cooled, configured to detect a return air temperature in the device to be cooled, so as to be adjusted according to the measured return air temperature
  • the flow rate of the primary cooling water in the primary cooling water system and the secondary cooling water in the secondary cooling water system to regulate the cooling capacity of the primary cooling water system and the secondary cooling water system.
  • the pipe is provided with an insulating material arranged to reduce the loss of cooling capacity of the secondary cooling water system.
  • the primary cooling water in the primary cooling water system is tap water.
  • a water-cooling heat dissipation system comprising: a primary cooling water system for transferring a cooling capacity of a primary cooling water system to a multi-stage cooling water system through a water-water heat exchanger a first-stage cooling water system, wherein two adjacent cooling water systems in the multi-stage cooling water system are connected by a water-water heat exchanger to adjacent two-stage cooling water system in the multi-stage cooling water system Cold transfer between; multi-stage cooling water system, the last stage cooling water system in the multi-stage cooling water system passes the cooling capacity of the last stage cooling water system in the multi-stage cooling water system through the water-air heat exchanger Passed to the device to be cooled.
  • the first end of the water-water heat exchanger is in contact with the primary cooling water in the primary cooling water system, and the second end of the water-water heat exchanger is connected to the serially connected multi-stage cooling water system
  • the cooling water contact in the primary cooling water system is set to transfer the cooling capacity of the primary cooling water system to the first-stage cooling water system in the multi-stage cooling water system; the first end of the water-to-air heat exchanger
  • the cooling water in the last stage cooling water system in the stage cooling water system is contacted, and the second end of the water-to-air heat exchanger is connected to the equipment to be dissipated, and is set to be the last stage cooling water system in the multi-stage cooling water system
  • the cooling capacity is transferred to the device to be cooled.
  • the primary cooling water system is an open system, and the single cooling water system in the multi-stage cooling water system is a closed circulation system.
  • the primary cooling water in the primary cooling water system is tap water.
  • the cooling capacity of the primary cooling water system is transmitted to the secondary cooling water system through the water-water heat exchanger, and the cooling capacity of the secondary cooling water system is transferred to the heat to be dissipated through the water-to-air heat exchanger.
  • the equipment by reducing the temperature of the air in the equipment to be dissipated and reducing the temperature of the chip, the heat dissipation of the system of the heat dissipating device is realized.
  • the first-stage cooling water system uses the urban tap water as the final cold source, and the second-stage cooling water system separately transports the cold.
  • the primary cooling water system can cooperate with the secondary cooling water system to increase the amount of cooling delivered to the device to be cooled, and to dissipate heat from the cooling device to avoid forced wind or cooling.
  • the system implements heat dissipation for the heat dissipating device, thereby reducing the additional energy consumed by the heat dissipating device of the present invention, saving a large amount of system energy, and having low cost.
  • FIG. 1 is a schematic view showing a preferred structure of a water-cooling heat dissipation system according to an embodiment of the present invention
  • Fig. 2 is a view showing another preferred configuration of a water-cooling heat dissipation system according to an embodiment of the present invention.
  • the water-cooling heat dissipation system includes: a first-stage cooling water system 100 through a water-water heat exchanger 1 Passing the cooling capacity of the primary cooling water system 100 to the secondary cooling water system 200; the secondary cooling water system 200, transferring the cooling capacity of the secondary cooling water system 200 to the equipment to be cooled by the water-to-air heat exchanger 3 in.
  • the cooling capacity of the primary cooling water system 100 is transferred to the secondary cooling water system 200 through the water-water heat exchanger 1, and the secondary cooling water system 200 is passed through the water-to-air heat exchanger 3.
  • the amount of cold is transferred to the heat sink In the device 4, heat exchange with the hot air in the device 4 to be cooled reduces the temperature of the hot air in the device 4 to be cooled, thereby cooling the temperature of the electronic product in the device 4 to be cooled, and at the same time, the primary cooling water system 100
  • the tap water is a cold source, and the cooling water is transferred to the equipment to be dissipated through the secondary cooling water system, and the heat dissipating device 4 is dissipated to avoid heat dissipation by the forced air or refrigeration system, thereby reducing the heat dissipation.
  • the invention consumes a large amount of system energy for heat dissipation of the heat dissipating device, saves a large amount of system energy, and has low cost; and solves the related art, the forced air cooling method cannot meet the heat dissipation requirement of the high heat consumption device, consumes a large amount of energy, and cools
  • the liquid cooling system has the problems of high energy consumption and high maintenance cost, so that the use of the water cooling and heat dissipation system in the invention is beneficial to improve the safety, stability and reliability of the operation of the equipment to be cooled.
  • the present embodiment provides a connection mode of the preferred water-water heat exchanger 1 and the water-to-air heat exchanger 3, specifically, as shown in FIG.
  • the water-water heat exchanger 1 The first end is in contact with the primary cooling water in the primary cooling water system 100, and the second end of the water-water heat exchanger 1 is in contact with the secondary cooling water in the secondary cooling water system 200, and is set to be one stage
  • the cooling capacity of the cooling water system 100 is transferred to the secondary cooling water system 200;
  • the first end of the water-to-air heat exchanger 3 is in contact with the secondary cooling water in the secondary cooling water system 200, and the water-to-air heat exchanger 3
  • the second end is connected to the device to be dissipated 4 and is arranged to transfer the cooling capacity of the secondary cooling water system 200 to the device 4 to be dissipated.
  • the first-stage cooling water and the second-stage cooling water are connected by the water-water heat exchanger 1, and the cooling amount of the first-stage cooling water is transmitted to the secondary cooling water, and the water-to-air heat exchanger 3 is passed.
  • Transferring the cooling capacity of the secondary cooling water to the equipment to be dissipated 4 and combining the cooling capacity of the primary cooling water and the cooling capacity of the secondary cooling water to be transferred from the secondary cooling water system 200 to the equipment to be cooled 4, Improve the heat dissipation effect of the heat sink 4 to be treated.
  • the present invention improves the above water-cooling heat dissipation system.
  • the primary cooling water system 100 is an open system
  • the secondary cooling water system 200 is a closed cycle system.
  • the first-stage cooling water system 100 pipe can be directly connected to the tap water system to form an open system, which fully utilizes the advantages of the natural cold source, and can achieve the system heat dissipation when the temperature of the heat-dissipating device 4 is reduced.
  • the energy required to consume can achieve environmental protection.
  • the present invention improves the above water-cooling heat dissipation system.
  • the water-cooling heat dissipation system includes: a pipe 8 serving as a flow passage for the primary cooling water and the secondary cooling water; 9. Arranged in the secondary cooling water system 200, connected to the pipe 8, and arranged to drive the secondary cooling water to circulate in the pipe 8 by the pump pressure of the water pump 9.
  • the water-water heat exchanger 1 and the water-to-air heat exchanger 3 are brought into contact with the secondary cooling water in the pipe 8 through the pipe, so that the cooling capacity of the primary cooling water system 100 is transmitted to the secondary.
  • the cooling water system 200 is finally delivered to the heat-dissipating device 4 to meet the heat-dissipating demand of the high-heat-consuming device; meanwhile, the circulating flow of the secondary cooling water is driven by the water pump 9, so that the secondary cooling water circulates in the pipe 8, and transmits
  • the first stage cooling water is cooled to the equipment to be cooled.
  • the present invention further improves the water-cooling heat dissipation system. As shown in FIG.
  • the water-cooling heat dissipation system includes: a water supply tank 5, which is connected to the pipeline 8 through the valve 7, and is set according to The current flow rate of the secondary cooling water in the pipeline and the required cooling capacity regulate the flow of water to the secondary cooling water that is replenished into the pipeline.
  • the water supply tank 5 can be supplemented with the secondary cooling water by adjusting the valve 7, so as to adjust the water flow and the cooling capacity of the secondary cooling water, and realize the water flow and cold of the secondary cooling water according to different requirements. The amount is adjusted to meet different heat dissipation requirements of different devices to be cooled, thereby enhancing the flexibility of use of the present invention.
  • the present invention further improves the water-cooling heat dissipation system.
  • the water-cooling heat dissipation system includes: a temperature automatic control system 11 (shown as a broken line in FIG. 1), including: The temperature probe 12 is disposed at the air return port of the device 4 to be cooled, and is configured to detect the return air temperature in the device 4 to be cooled.
  • the temperature probe 12 is disposed at the air return port of the device 4 to be cooled, and is configured to detect the return air temperature in the device 4 to be cooled.
  • the first stage cooling water and the second temperature are adjusted according to the measured return air temperature.
  • the water flow rate of the cooling water is adjusted to regulate the cooling capacity of the primary cooling water system 100 and the secondary cooling water system 200.
  • a temperature probe 12 is disposed at the air return port of the communication device 4 to be cooled, and the water flow rate of the primary cooling water and the secondary cooling water is specifically adjusted according to the temperature detected by the temperature probe 12.
  • the cooling capacity of the primary cooling water and the secondary cooling water is adjusted according to the temperature requirement, thereby improving the heat dissipation efficiency of the invention and improving the accuracy of the temperature of the heat dissipation device after the heat dissipation. Based on the above embodiments, the present invention provides a preferred adjustment scheme.
  • the pipe 8 is adjusted by adjusting the valve 7 connected to the water supply tank 5 and the pipe 8, and the water pump 9 is adjusted.
  • the flow rate of the secondary cooling water is adjusted.
  • the present invention when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than the preset temperature value, by adjusting the water flow rate of the secondary cooling water, by adjusting the rotation speed of the water pump 9, the second control
  • the flow rate of the cooling water in the cooling system reaches the purpose of adjusting the appropriate secondary cooling water cooling capacity, so as to accurately and effectively transfer the cooling capacity to the heat dissipating device 4, to meet the heat dissipation requirement of the system, and at the same time achieve energy saving purposes.
  • the present invention also provides a preferred adjustment scheme.
  • the valve 10 connected to the water storage tank 2 equipped with the primary cooling water, the water flow rate of the primary cooling water in the water storage tank 2 is increased.
  • the water flow rate of the primary cooling water can be adjusted to adjust the cooling capacity of the primary cooling water.
  • the cooling capacity of the secondary cooling water is adjusted to meet the heat dissipation requirement of the device 4 to be cooled.
  • the cooling capacity of the secondary cooling water can be enhanced by adjusting the water flow rate of the primary cooling water, so that the large temperature range of the heat treatment device 4 of the present invention can be realized.
  • Heat dissipation enhances the utility of the present invention.
  • the present invention is provided with a heat insulating material on the pipe 8 to reduce the loss of the cooling capacity of the secondary cooling water, so that the cooling capacity of the secondary cooling water can be sufficiently transmitted to the heat sinking device 4 The heat dissipation effect of the heat dissipation device 4 is improved.
  • the heat insulating material can be, but not limited to, heat insulating cotton, and economical insulating cotton is used as the heat insulating material, which can reduce the cost while achieving the heat insulating effect.
  • the present invention further improves the water-cooling heat dissipation system. As shown in FIG.
  • the water-cooling heat dissipation system includes: a speed control fan 6 configured to set a return air outlet of the device to be cooled
  • the hot air is blown through the water-to-air heat exchanger to exchange heat with the secondary cooling water system 200, thereby reducing the outlet air temperature of the water-air heat exchanger 3 (to be cooled by the air inlet 4), and then to the communication device 4 ( That is, the heat-dissipating device 4) heats the electronic product, wherein the air in the communication device 4 is in a closed loop state.
  • the cold air that exchanges heat with the water-to-air heat exchanger absorbs the heat of the electronic product, and then becomes hot air again, and enters the water-air heat exchange again under the driving force of the speed regulating fan 6.
  • the heat exchange between the secondary cooling water system 200 and the secondary cooling water system 200 causes the low temperature air generated by the speed regulating fan 6 to be blown into the heat sink 4 again. This is continuously circulated, and the heat dissipation device 4 is dissipated.
  • the speed control fan 6 adjusts the fan speed according to the temperature detected by the temperature probe 12, and adjusts the air volume within a certain cooling range to optimize the heat dissipation of the system, thereby controlling the system fan noise.
  • the primary cooling water in the primary cooling water system 100 may be tap water or other natural water sources, and fully utilize the pump pressure of the urban tap water system to press the tap water pump into the water storage tank.
  • the advantages of the natural cold source are fully utilized, so as to reduce the heat-dissipating cost of the heat-dissipating device 4 and reduce the energy consumption and noise caused by the power-driven heat-dissipating system.
  • taking full advantage of the advantages of nature it can be directly utilized for most heat dissipation scenarios, enhancing the operability of the present invention.
  • ethylene glycol may be added to the secondary cooling water to reduce corrosion of the pipeline by the secondary cooling water, and at the same time, prevent secondary cooling when the external temperature is too low.
  • the water is frozen to ensure that the present invention can smoothly dissipate heat from the heat dissipating device 4 when the outside temperature is too low.
  • Embodiment 2 Based on the above preferred embodiments, the present invention provides another preferred water-cooling heat dissipation system. Specifically, as shown in FIG.
  • the water-cooling heat dissipation system includes: a primary cooling water system 100, through water -water heat exchanger 1 Passing the cooling capacity of the primary cooling water system 100 to the first-stage cooling water system in the multi-stage cooling water system, wherein the adjacent two-stage cooling water system in the multi-stage cooling water system passes through a water-water heat exchanger 1 phase connection for cooling transfer between adjacent two-stage cooling water systems in a multi-stage cooling water system; multi-stage cooling water system, the last stage cooling water system in a multi-stage cooling water system passes water-air
  • the heat exchanger 3 transfers the cooling amount of the last stage cooling water system in the multi-stage cooling water system to the device 4 to be dissipated.
  • the primary cooling water system 100 shown in FIG. 2 has the same internal structure as the primary cooling water system 100 shown in Fig. 1, in the multistage cooling water system shown in Fig. 2.
  • Each stage of the cooling water system has the same internal structure as the secondary cooling water system 200 shown in Fig. 1, and the device 4 to be dissipated shown in Fig. 2 has the same internal structure as the device 4 to be dissipated shown in Fig. 1.
  • the primary cooling water system 100 shown in FIG. 2 is connected to the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the multi-stage cooling water system through the water-water heat exchanger 1.
  • the final stage cooling water system (the tertiary cooling water system 300 in FIG. 2) in the multi-stage cooling water system shown in FIG. 2 can be connected to the device to be dissipated by the water-air heat exchanger 3
  • the specific connection scheme of the secondary cooling water system 200 shown in FIG. 1 through the water-to-air heat exchanger 3 and the device to be dissipated 4 is connected.
  • the cooling capacity of the primary cooling water system 100 is transferred to the first-stage cooling water system in the multi-stage cooling water system through the water-water heat exchanger 1, and adjacent in the multi-stage cooling water system
  • the two-stage cooling water system transfers the cooling capacity through the water-water heat exchanger 1
  • the cooling capacity of the last-stage cooling water system in the multi-stage cooling water system is transmitted to the equipment to be dissipated through the water-to-air heat exchanger 3.
  • heat exchange is performed with the hot air in the heat dissipating device 4, and the temperature of the air in the device to be dissipated is reduced to reduce the temperature of the chip, thereby achieving high heat dissipation of the system to be dissipated by the heat dissipating device; meanwhile, different heat dissipating devices 4 can be realized.
  • the heat dissipation requirement is to select the number of stages of the cooling water system to change the cooling capacity of the last stage cooling water system in the multi-stage cooling water system to meet the different heat dissipation requirements of the heat dissipating device 4, and enhance the flexibility of use of the present invention.
  • the present embodiment provides a connection manner of the preferred water-water heat exchanger 1 and the water-to-air heat exchanger 3 in the multi-stage cooling water system.
  • the water-water heat exchanger 1 and the water-to-air heat exchanger 3 are connected, the first end of the water-water heat exchanger 1 is in contact with the primary cooling water in the primary cooling water system 100, and the water-water heat exchange
  • the second end of the device 1 is in contact with the cooling water in the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the serially connected multi-stage cooling water system, and is configured to be the first-stage cooling water system.
  • the cooling capacity of 100 is transferred to the first stage cooling water system in the multi-stage cooling water system; the first end of the water-to-air heat exchanger 3 and the last stage cooling water system in the multi-stage cooling water system (in Figure 2 Cooling water contact in the tertiary cooling water system 300), water-air
  • the second end of the heat exchanger 3 is connected to the device 4 to be dissipated, and is arranged to transfer the cooling capacity of the last stage cooling water system in the multi-stage cooling water system to the device 4 to be dissipated.
  • the cooling capacity of the primary cooling water and the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the multi-stage cooling water system are passed through the water-water heat exchanger 1.
  • the cooling capacity of the cooling water is combined with the cooling capacity of the cooling water in the other stages of the cooling water system (the tertiary cooling water system 300 in Figure 2) in the multi-stage cooling water system, and is the last in the multi-stage cooling water system.
  • the first-stage cooling water system (the three-stage cooling water system 300 in FIG. 2) transfers the combined cooling water cooling capacity to the heat-dissipating device 4, thereby improving the heat-dissipating effect of the heat-dissipating device 4, and at the same time, according to the device to be cooled 4
  • Different cooling requirements are required to select a multi-stage cooling water system with different stages to meet different heat dissipation requirements.
  • the present invention improves the above water-cooling heat dissipation system.
  • the primary cooling water system 100 is an open system, and the multi-stage cooling water system is a closed circulation system.
  • the primary cooling water system 100 pipe can be directly connected to the natural water source system to form an open loop, which fully utilizes the advantages of the natural cold source, and can reduce the temperature of the equipment to be cooled 4
  • the energy consumed by the system to dissipate heat can achieve environmental protection.
  • the primary cooling water in the primary cooling water system 100 may be tap water or other natural water sources, and fully utilize the pump pressure of the urban tap water system to press the tap water pump into the water storage tank.
  • ethylene glycol may be added to the multi-stage cooling water to reduce corrosion of the pipeline by the multi-stage cooling water, and at the same time, prevent multi-stage cooling when the external temperature is too low.
  • the water-cooling heat dissipation system includes: a pipe 8 serving as a flow passage for the multi-stage cooling water; and a water pump 9 disposed at the secondary cooling water
  • the system 200 and the tertiary cooling water system 300 are connected to the pipe 8 and are arranged to drive the secondary cooling water and the tertiary cooling water to circulate in the pipe 8 by the pump pressure of the water pump 9.
  • the present invention further improves the water-cooling heat dissipation system.
  • the water-cooling heat dissipation system includes: a water supply tank 5 connected to the pipeline 8 through the valve 7, and configured according to the pipeline 8 The current water flow rate of the secondary cooling water and the required cooling capacity regulate the water flow rate of the secondary cooling water that is replenished into the pipe 8; the water supply tank 5 is connected to the pipe 8 through the valve 7, and is also arranged according to the pipe 8 The current three-stage cooling water flow rate and the required cooling capacity regulate the water flow rate of the tertiary cooling water that is replenished into the pipe 8.
  • the water supply tank 5 can be supplemented with the secondary cooling water and the tertiary cooling water by adjusting the valve 7, to adjust the water flow and the cooling capacity of the secondary cooling water and the tertiary cooling water, according to different
  • the water flow and cooling capacity of the secondary cooling water and the tertiary cooling water are adjusted to meet different heat dissipation requirements of different heat sinking devices, thereby enhancing the flexibility of use of the present invention.
  • the present invention further improves the water-cooling heat dissipation system.
  • the water-cooling heat dissipation system includes: a speed control fan 6 configured to set the hot air of the air return port of the heat dissipation device 4 Blowing through the water-to-air heat exchanger to exchange heat with the last stage cooling water system (the tertiary cooling water system 300 in Fig. 2) in the multistage cooling water system, thereby reducing the air output of the water-air heat exchanger 3
  • the temperature (to be cooled by the air inlet 4) is used to dissipate the electronic products in the communication device 4 (ie, the device to be dissipated 4), wherein the air in the communication device 4 is in a closed loop state.
  • the cold air that exchanges heat with the water-to-air heat exchanger absorbs the heat of the electronic product, and then becomes hot air again, and enters the water-air heat exchange again under the driving force of the speed regulating fan 6.
  • the heat exchange between the third stage cooling water system and the last stage cooling water system in the multi-stage cooling water system is performed, and the speed regulating fan 6 blows the generated low temperature air into the heat dissipating device 4 again. This is continuously circulated, and the heat dissipation device 4 is dissipated.
  • the speed control fan 6 adjusts the fan speed according to the temperature detected by the temperature probe 12, and adjusts the air volume within a certain cooling range to optimize the heat dissipation of the system, thereby controlling the system fan noise. At the same time, the effect of system energy saving is realized to a certain extent. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system.
  • the water-cooling heat dissipation system includes: a temperature automatic control system 11 including: a temperature probe 12 disposed on the device 4 to be cooled At the return air outlet, it is set to detect the return air temperature in the heat dissipating device 4, so as to adjust the multi-stage cooling water (the three-stage cooling water and the second-stage cooling water in FIG. 2) and the first-stage cooling water according to the measured return air temperature.
  • the water flow is used to regulate the cooling capacity of the multi-stage cooling water system 100 and the primary cooling water system.
  • a temperature probe 12 is disposed at the air return port of the communication device 4 to be cooled, and the water flow rate of the multi-stage cooling water and the first-stage cooling water is specifically adjusted according to the temperature detected by the temperature probe 12, The cooling amount of the first-stage cooling water is finally adjusted according to the temperature requirement, thereby improving the heat dissipation efficiency of the invention and improving the accuracy of the temperature of the device to be cooled after the heat dissipation.
  • the present invention provides a preferred adjustment scheme. Specifically, when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than a preset temperature value, the adjustment and the water supply tank are adopted.
  • the third stage cooling water in the pipe 8 is increased by adjusting the valve 7 connected to the makeup water tank 5 and the pipe 8 and adjusting the water pump 9. The water flow rate of the cooling water in system 200.
  • the water flow rate of the cooling water in the secondary cooling water system 200 and the tertiary cooling water system 300 Adjusting separately, by adjusting the rotational speeds of the water pumps disposed in the secondary cooling water system 200 and the tertiary cooling water system 300, respectively controlling the flow rates of the cooling water in the secondary cooling water system 200 and the tertiary cooling water system 300, and further The purpose of adjusting the cooling capacity of the appropriate secondary cooling water system 200 and the tertiary cooling water system 300 is achieved in order to accurately and effectively deliver the cooling capacity to the heat sinking device 4 to meet the heat dissipation requirements of the system and achieve energy saving purposes.
  • the water flow rate of the primary cooling water can be adjusted, and the first stage is adjusted.
  • the cooling capacity of the cooling water further adjusts the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300 to meet the heat dissipation requirements of the heat sinking device 4.
  • the invention realizes that when the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300 is insufficient, the cooling of the secondary cooling water system 200 and the tertiary cooling water system 300 can be enhanced by adjusting the water flow of the primary cooling water 300.
  • the amount of heat radiation device 4 of the present invention can be dissipated in a large temperature range, and the utility of the present invention is enhanced.
  • the present invention is provided with a heat insulating material on the pipe 8 to reduce the loss of the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300, so that the secondary cooling water can be fully realized.
  • the cooling capacity of the system 200 and the tertiary cooling water system 300 is transferred to the device 4 to be dissipated, thereby improving the heat dissipation effect of the heat dissipating device 4.
  • the heat insulating material can be, but not limited to, heat insulating cotton, and economical insulating cotton is used as the heat insulating material, which can reduce the cost while achieving the heat insulating effect.

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  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
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Abstract

The present invention provides a water-cooling radiating system. The water-cooling radiating system comprises: a primary cooling water system (100), the cooling capacity of the primary cooling water system (100) being transferred to a secondary cooling water system (200) through a water-water heat exchanger (1); the secondary cooling water system (200), the cooling capacity of the secondary cooling water system (200) being transferred to a device to be radiated (4) through a water-air heat exchanger (3). The present invention solves the problems in the prior art that the forced air-cooling radiating manner cannot meet radiating demands for a high heat-consumption device, the energy consumption is high, the energy consumption of a refrigerant liquid-cooling system is high, and the maintenance cost is high. The use of the water-cooling radiating system of the present invention meets the radiating demands of the high heat-consumption device and reduces the maintenance cost of the radiating system.

Description

水冷散热系统 技术领域 本发明涉及通信设备的散热领域， 具体而言， 涉及一种水冷散热系统。 背景技术 摩尔定律指出， 电子产品的效率每 18个月翻一翻， 因此， 电子产品的热耗也随之 增大； 同时， 电子产品的结构尺寸越来越小， 这两方面共同导致了单位体积内的热流 量越来越大， 系统散热的难题越来越突出。 例如， 普通刀片式服务器系统的总热耗约 为 103-104 W数量级， 体积却只有 10-102L数量级， 单位体积热流量高达 102-103W/L 数量级。 目前， 此类热耗情况的机箱、 机柜越来越多， 如果采用传统的强制风冷散热 方式不仅很难适应日益增长的热耗需求， 无法解决系统散热难题， 而且会造成噪音污 染， 同时， 因散热而消耗能源较大的问题也会被放大。 对于大热耗的机柜级系统， 一般采用液冷系统进行散热， 但目前的液冷系统普遍 采用制冷系统作为冷源。 由于维持制冷系统的运转需要消耗大量的能量， 因此， 尽管 制冷系统能解决高热量机柜级系统散热的难题， 却会面临消耗大量能源的问题。因此， 目前的制冷性质的液冷系统不仅不经济， 而且维护成本高， 同时还会造成能量消耗较 大、 污染等现实难题， 不适合目前国家倡导的节能减排理念。 发明内容 本发明提供了一种水冷散热系统， 以至少解决相关技术中强制风冷散热方式不能 满足高热耗设备的散热需求、 消耗能源较大以及制冷型液冷系统的消耗能源较大、 维 护成本高的问题。 根据本发明的一个方面， 提供了一种水冷散热系统， 其包括： 一级冷却水系统， 通过水 -水换热器将一级冷却水系统的冷量传递给二级冷却水系统； 二级冷却水系统， 通过水-空换热器将二级冷却水系统的冷量传递到待散热设备中。 优选地， 水 -水换热器的第一端与一级冷却水系统中的一级冷却水接触， 水 -水换 热器的第二端与二级冷却水系统中的二级冷却水接触， 设置为将一级冷却水系统的冷 量传递给二级冷却水系统；水-空换热器的第一端与二级冷却水系统中的二级冷却水接 触， 水 -空换热器的第二端连接至待散热设备， 设置为将二级冷却水系统的冷量传递到 待散热设备中。 优选地， 一级冷却水系统为开式系统， 二级冷却水系统为闭式循环系统。 优选地， 上述水冷散热系统还包括： 管道， 用作一级冷却水系统中的一级冷却水 和二级冷却水系统中的二级冷却水的流动通道； 水泵， 设置在二级冷却水系统中， 与 管道连接， 设置为通过水泵的泵压驱动二级冷却水在管道中循环流动。 优选地， 上述水冷散热系统还包括： 补水箱， 通过阀门与管道连通， 设置为根据 管道中当前的二级冷却水的水流量和所需的冷量调节补入到管道中的二级冷却水的水 流量。 优选地， 上述水冷散热系统还包括： 温度自控系统， 包括： 温度探头， 置于待散 热设备的回风口处， 设置为探测待散热设备中的回风温度， 以便根据测出的回风温度 调节一级冷却水系统中的一级冷却水和二级冷却水系统中的二级冷却水的水流量， 以 调节一级冷却水系统和二级冷却水系统的冷量。 优选地， 管道上设置有保温材料， 设置为减少二级冷却水系统的冷量流失。 优选地， 一级冷却水系统中的一级冷却水为自来水。 根据本发明的另一个方面， 提供了一种水冷散热系统， 其包括： 一级冷却水系统， 通过水-水换热器将一级冷却水系统的冷量传递给多级冷却水系统中的第一级冷却水 系统， 其中， 多级冷却水系统中的相邻两级冷却水系统通过一个水 -水换热器相连接， 以在多级冷却水系统中的相邻两级冷却水系统之间进行冷量传递； 多级冷却水系统， 多级冷却水系统中的最后一级冷却水系统通过水-空换热器将多级冷却水系统中的最 后一级冷却水系统的冷量传递到待散热设备中。 优选地， 水 -水换热器的第一端与一级冷却水系统中的一级冷却水接触， 水 -水换 热器的第二端与串行连接的多级冷却水系统中的第一级冷却水系统中的冷却水接触， 设置为将一级冷却水系统的冷量传递给多级冷却水系统中的第一级冷却水系统； 水- 空换热器的第一端与多级冷却水系统中的最后一级冷却水系统中的冷却水接触， 水- 空换热器的第二端连接至待散热设备， 设置为将多级冷却水系统中的最后一级冷却水 系统的冷量传递到待散热设备中。 优选地， 一级冷却水系统为开式系统， 多级冷却水系统中单个冷却水系统为闭式 循环系统。 优选地， 一级冷却水系统中的一级冷却水为自来水。 在本发明中， 通过水 -水换热器将一级冷却水系统的冷量传递给二级冷却水系统， 再通过水-空换热器将二级冷却水系统的冷量传递到待散热设备中，通过降低待散热设 备内空气温度进而减低芯片温度， 实现高热耗待散热设备的系统散热； 同时， 一级冷 却水系统以城市自来水为最终冷源， 在二级冷却水系统单独输送冷源给待散热设备不 足以满足设备散热要求时， 一级冷却水系统可与二级冷却水系统配合， 增加输送到待 散热设备中的冷量， 对待散热设备进行散热， 避免通过强制风或制冷系统来实现对待 散热设备进行散热，从而减少了本发明对待散热设备进行散热所需的额外消耗的能量， 节省了大量系统能量， 而且成本低。 解决了相关技术中强制风冷散热方式不能满足高 热耗设备的散热需求、 消耗能源较大以及制冷型液冷系统的消耗能源较大、 维护成本 高的问题， 从而本发明中水冷散热系统的使用有利于提高待散热设备运行的安全性、 稳定性以及可靠性。 附图说明 此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部分， 本发 明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的不当限定。 在附图 中： 图 1是根据本发明实施例的水冷散热系统的一种优选的结构示意图； 图 2是根据本发明实施例的水冷散热系统的另一种优选的结构示意图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是， 在不冲突的 情况下， 本申请中的实施例及实施例中的特征可以相互组合。 实施例 1 图 1是根据本发明实施例的水冷散热系统的一种优选的结构示意图，如图 1所示， 该水冷散热系统包括：一级冷却水系统 100，通过水-水换热器 1将一级冷却水系统 100 的冷量传递给二级冷却水系统 200; 二级冷却水系统 200， 通过水-空换热器 3将二级 冷却水系统 200的冷量传递到待散热设备 4中。 在上述优选实施例中，通过水-水换热器 1将一级冷却水系统 100的冷量传递给二 级冷却水系统 200， 再通过水-空换热器 3将二级冷却水系统 200的冷量传递到待散热 设备 4中， 与待散热设备 4中的热空气进行热交换， 降低待散热设备 4中热空气的温 度， 进而冷却待散热设备 4内的电子产品的温度， 同时， 一级冷却水系统 100以自来 水为冷源， 将冷却水的冷量通过二级冷却水系统传递到待散热设备中， 对待散热设备 4进行散热， 避免通过强制风或制冷系统来实现对待散热设备 4进行散热， 从而减少 了本发明对待散热设备进行散热所需的额外消耗的能量， 节省了大量系统能量， 而且 成本低； 解决了相关技术中强制风冷散热方式不能满足高热耗设备的散热需求、 消耗 能源较大以及制冷型液冷系统的消耗能源较大、 维护成本高的问题， 从而本发明中水 冷散热系统的使用有利于提高待散热设备运行的安全性、 稳定性以及可靠性。 在上述实施例的基础上， 本实施例提供了优选的水-水换热器 1 和水-空换热器 3 的连接方式， 具体地， 如图 1所示， 水-水换热器 1的第一端与一级冷却水系统 100中 的一级冷却水接触，水-水换热器 1的第二端与二级冷却水系统 200中的二级冷却水接 触， 设置为将一级冷却水系统 100的冷量传递给二级冷却水系统 200; 水-空换热器 3 的第一端与二级冷却水系统 200中的二级冷却水接触，水-空换热器 3的第二端连接至 待散热设备 4， 设置为将二级冷却水系统 200的冷量传递到待散热设备 4中。 在本实 施例中， 通过水-水换热器 1连接一级冷却水和二级冷却水， 实现将一级冷却水的冷量 传递给二级冷却水，并通过水-空换热器 3将二级冷却水的冷量传递到待散热设备 4中， 实现将一级冷却水的冷量和二级冷却水的冷量结合起来由二级冷却水系统 200传递给 待散热设备 4， 以提高对待散热设备 4的散热效果。 在上述实施例的基础上， 本发明对上述水冷散热系统进行了改进， 具体地， 一级 冷却水系统 100为开式系统， 二级冷却水系统 200闭式循环系统。 在本实施例中， 一 级冷却水系统 100管道可以直接连接到自来水系统上， 从而形成开式系统， 充分的利 用了自然界冷源的优势， 既能达到减低待散热设备 4的温度时系统散热所需消耗的能 源， 又能达到环保效果。 在上述实施例的基础上， 本发明对上述水冷散热系统进行了改进， 如图 1所示， 该水冷散热系统包括： 管道 8， 用作一级冷却水和二级冷却水的流动通道； 水泵 9， 设 置在二级冷却水系统 200中， 与管道 8连接， 设置为通过水泵 9的泵压驱动二级冷却 水在管道 8中循环流动。在本实施例中， 通过管道使得水-水换热器 1和水-空换热器 3 与管道 8中的二级冷却水接触， 实现将一级冷却水系统 100的冷量传递给二级冷却水 系统 200， 并最终传递至待散热设备 4， 以便满足高热耗设备的散热需求； 同时， 通过 水泵 9驱动二级冷却水的循环流动， 使得二级冷却水在管道 8中循环流动， 传递一级 冷却水冷量到待散热设备。 在上述各优选实施例的基础上，本发明对上述水冷散热系统进行了进一步的改进， 如图 1所示， 该水冷散热系统包括： 补水箱 5， 通过阀门 7与管道 8连通， 设置为根 据管道中当前的二级冷却水的水流量和所需的冷量调节补入到管道中的二级冷却水的 水流量。 在本实施例中， 可以通过调节阀门 7使得补水箱 5对二级冷却水进行补给， 以调节二级冷却水的水流量和冷量， 实现根据不同需求对二级冷却水的水流量和冷量 进行调节， 以满足不同待散热设备的不同散热需要， 从而增强了本发明的使用灵活性。 在上述各优选实施例的基础上， 本发明对上述水冷散热系统做了进一步的改进， 如图 1所示， 该水冷散热系统包括： 温度自控系统 11 (为图 1中的虚线）， 包括： 温 度探头 12， 置于待散热设备 4的回风口处， 设置为探测待散热设备 4中的回风温度， 在调节水流量的过程中，根据测出的回风温度调节一级冷却水和二级冷却水的水流量， 以调节一级冷却水系统 100和二级冷却水系统 200的冷量。 在本实施例中， 在待散热 通讯设备 4的回风口处设置有温度探头 12， 根据温度探头 12探测到的温度有针对性 地对一级冷却水和二级冷却水的水流量进行调节， 实现根据温度需求调节一级冷却水 和二级冷却水的冷量， 从而提高了本发明的散热效率， 提高了散热后待散热设备的温 度的准确性。 在上述实施例的基础上， 本发明提供了一种优选的调节方案。 具体而言， 在温度 探头 12探测出待散热设备 4 中的回风温度高于预设温度值时， 通过调节与补水箱 5 和管道 8连接的阀门 7以及调节水泵 9， 增大管道 8中的二级冷却水的水流量。 在本 实施例中，在温度探头 12探测出待散热设备 4中的回风温度高于预设温度值时，通过 对二级冷却水的水流量进行调节， 通过调节水泵 9的转速， 控制二级冷却系统中冷却 水的流速， 进而达到调节合适的二级冷却水冷量的目的， 以便准确地、 有效地传递冷 量到待散热设备 4中， 满足系统散热的需求， 同时达到节能目的。 在上述实施例的基础上， 本发明还提供了一种优选的调节方案。 具体而言， 在增 大管道 8中的二级冷却水的水流量后， 当探测出待散热设备 4中的回风温度高于预设 温度值时（此时， 待散热设备 4的散热能力不足）， 通过调节与装有一级冷却水的蓄水 箱 2连接的阀门 10， 增大蓄水箱 2中一级冷却水的水流量。 在本实施例中， 在调节二 级冷却水的水流量后， 仍然无法满足待散热设备 4的散热需要时， 可以通过对一级冷 却水的水流量进行调节， 调节一级冷却水的冷量， 进而调节二级冷却水的冷量， 以满 足待散热设备 4的散热需要。 本发明实现了二级冷却水的冷量不够时， 可以通过调节 一级冷却水的水流量来增强二级冷却水的冷量， 从而可以实现本发明的对待散热设备 4进行大温度值区间的散热， 增强了本发明的实用性。 在上述各优选实施例的基础上， 本发明在管道 8上设置有保温材料， 以减少二级 冷却水的冷量的流失， 实现可以充分将二级冷却水的冷量传递到待散热设备 4中， 提 高对待散热设备 4的散热效果。 在上述实施例的基础上， 保温材料可以但不限于为保温棉， 以经济的保温棉作为 保温材料， 可以在达到保温效果的同时降低成本。 在上述各优选实施例的基础上，本发明对上述水冷散热系统又做了进一步的改进， 如图 1所示， 该水冷散热系统包括： 调速风扇 6， 设置为将待散热设备 4回风口的热 空气吹过水-空热交换器， 与二级冷却水系统 200进行换热， 从而减低水 -空热交换器 3 出口空气温度 （待散热设备 4入风口）， 进而对通讯设备 4 (即待散热设备 4 ) 内电子 产品进行散热， 其中， 通讯设备 4中空气是封闭循环状态的。 进一步地， 在上述实施例中， 与水 -空热交换器进行换热的冷空气吸收电子产品的 热量后， 再次成为热空气， 在调速风扇 6的驱动力下再次进入水 -空热交换器 3， 与二 级冷却水系统 200进行热交换， 调速风扇 6将产生的低温空气再次吹入待散热设备 4 中。 如此不断循环， 实现对待散热设备 4进行散热。 进一步地， 在上述实施例中， 上述调速风扇 6依据温度探头 12探测的温度， 在一 定的冷量范围内， 只调节风扇转速， 调节风量， 达到优化系统散热目的， 从而控制系 统风扇噪音， 同时在一定程度上实现系统节能的效果。 在上述各优选实施例的基础上， 一级冷却水系统 100中的一级冷却水可以为自来 水， 也可以是其他的自然水源， 充分利用城市自来水系统的泵压将自来水泵压入蓄水 箱， 以减少维持一级冷却水循环的能量， 同时， 充分利用了自然界冷源的优势， 以实 现降低待散热设备 4的散热成本，减少因动力能源驱动散热系统而导致的能源消耗大、 有噪声的问题； 同时， 充分利用自然界的优势， 对于大部分散热场景下可直接利用， 增强了本发明的可操作性。 进一步地， 在上述各优选实施例的基础上， 可以在二级冷却水中加入乙二醇， 以 减小二级冷却水对管道产生的腐蚀， 同时， 在外界温度过低时， 防止二级冷却水结冻， 以保证本发明可以在外界温度过低时顺利对待散热设备 4进行散热。 实施例 2 在上述各优选实施例的基础上， 本发明提供了另一种优选的水冷散热系统， 具体 地， 如图 2所示， 上述水冷散热系统包括： 一级冷却水系统 100， 通过水-水换热器 1 将一级冷却水系统 100的冷量传递给多级冷却水系统中的第一级冷却水系统， 其中， 多级冷却水系统中的相邻两级冷却水系统通过一个水-水换热器 1相连接， 以在多级冷 却水系统中的相邻两级冷却水系统之间进行冷量传递； 多级冷却水系统， 多级冷却水 系统中的最后一级冷却水系统通过水-空换热器 3将所述多级冷却水系统中的最后一级 冷却水系统的冷量传递到所述待散热设备 4中。 在上述优选的实施例中， 图 2中所示的一级冷却水系统 100与图 1所示的一级冷 却水系统 100具有相同的内部结构， 图 2中所示的多级冷却水系统中的每级冷却水系 统与图 1所示的二级冷却水系统 200具有相同的内部结构， 图 2中所示的待散热设备 4与图 1所示的待散热设备 4具有相同的内部结构。 此外， 图 2中所示的一级冷却水系统 100通过水-水换热器 1与多级冷却水系统中 的第一级冷却水系统 （图 2中的二级冷却水系统 200 ) 连接的具体连接方案可以参照 图 1所示的一级冷却水系统 100通过水-水换热器 1与二级冷却水系统 200连接的连接 方式。 图 2中所示的多级冷却水系统中的最后一级冷却水系统 （图 2中的三级冷却水系 统 300 ) 通过水-空换热器 3与待散热设备 4连接的具体连接方案可以参照图 1所示的 二级冷却水系统 200通过水-空换热器 3与待散热设备 4连接的具体连接方案。 在上述优选实施例中，通过水-水换热器 1将一级冷却水系统 100的冷量传递给多 级冷却水系统中的第一级冷却水系统， 多级冷却水系统中的相邻两级冷却水系统之间 通过水-水换热器 1进行冷量传递， 通过水-空换热器 3将多级冷却水系统中的最后一 级冷却水系统的冷量传递到待散热设备 4中，与待散热设备 4中的热空气进行热交换， 通过降低待散热设备内空气温度进而减低芯片温度， 实现高热耗待散热设备的系统散 热； 同时， 可以实现根据散热设备 4的不同的散热需求， 来选择使用冷却水系统的级 数， 从而改变多级冷却水系统中的最后一级冷却水系统的冷量， 以满足散热设备 4不 同的散热需求， 增强本发明的使用灵活性。 在上述实施例的基础上， 本实施例提供了优选的水-水换热器 1 和水-空换热器 3 在多级冷却水系统中的连接方式， 具体地， 可以参照图 1 中的水-水换热器 1和水-空 换热器 3的连接方式，水-水换热器 1的第一端与一级冷却水系统 100中的一级冷却水 接触，水-水换热器 1的第二端与串行连接的多级冷却水系统中的第一级冷却水系统（图 2中的二级冷却水系统 200 )中的冷却水接触，设置为将一级冷却水系统 100的冷量传 递给多级冷却水系统中的第一级冷却水系统；水-空换热器 3的第一端与多级冷却水系 统中的最后一级冷却水系统 （图 2中的三级冷却水系统 300 ) 中的冷却水接触， 水-空 换热器 3的第二端连接至待散热设备 4， 设置为将多级冷却水系统中的最后一级冷却 水系统的冷量传递到待散热设备 4中。在本实施例中， 通过水-水换热器 1将一级冷却 水的冷量和多级冷却水系统中的第一级冷却水系统 （图 2中的二级冷却水系统 200 ) 中的冷却水的冷量与多级冷却水系统中的其他各级冷却水系统 （图 2中的三级冷却水 系统 300 )中的冷却水的冷量结合， 并由多级冷却水系统中的最后一级冷却水系统（图 2中的三级冷却水系统 300 )将结合后的冷却水的冷量传递给待散热设备 4， 提高对待 散热设备 4的散热效果， 同时， 可以根据待散热设备 4的不同的散热需求， 来选择包 括不同级数的多级冷却水系统， 以满足不同的散热需求。 在上述实施例的基础上， 本发明对上述水冷散热系统进行了改进， 具体地， 一级 冷却水系统 100为开式系统， 多级冷却水系统为闭式循环系统。 在本实施例中， 一级 冷却水系统 100管道可以直接连接到自然水源系统上， 从而形成开式环路， 充分的利 用了自然界冷源的优势， 既能达到减低待散热设备 4的温度时系统散热所需消耗的能 源， 又能达到环保效果。 在上述各优选实施例的基础上， 一级冷却水系统 100中的一级冷却水可以为自来 水， 也可以是其他的自然水源， 充分利用城市自来水系统的泵压将自来水泵压入蓄水 箱， 以减少维持一级冷却水循环的能量， 同时， 充分利用了自然界冷源的优势， 以实 现降低待散热设备 4的散热成本，减少因动力能源驱动散热系统而导致的能源消耗大、 有噪声的问题； 同时， 充分利用自然界的优势， 对于大部分散热场景下可直接利用， 增强了本发明的可操作性。 进一步地， 在上述各优选实施例的基础上， 可以在多级冷却水中加入乙二醇， 以 减小多级冷却水对管道产生的腐蚀， 同时， 在外界温度过低时， 防止多级冷却水结冻， 以保证本发明可以在外界温度过低时顺利对待散热设备 4进行散热。 在上述实施例的基础上， 本发明对上述水冷散热系统进行了改进， 具体地， 该水 冷散热系统包括： 管道 8， 用作多级冷却水的流动通道； 水泵 9， 设置在二级冷却水系 统 200和三级冷却水系统 300中， 与管道 8连接， 设置为通过水泵 9的泵压驱动二级 冷却水和三级冷却水在管道 8中循环流动。在本实施例中， 通过管道 8使得水-水换热 器 1和水-空换热器 3与管道 8中的多级冷却水接触，实现将一级冷却水系统 100的冷 量传递给二级冷却水系统 200， 进而将二级冷却水系统 200的冷量传递给三级冷却水 系统 300， 增强三级冷却水系统 30的冷量， 以便满足高热耗设备的散热需求； 同时， 通过水泵 9驱动二级冷却水和三级冷却水的循环流动， 使得二级冷却水和三级冷却水 在管道 8中循环流动， 避免了使用动力能源驱动本发明的运行， 降低了本发明的能源 消耗， 避免了使用风扇等进行散热而导致的不环保、 噪声大的问题。 在上述各优选实施例的基础上，本发明对上述水冷散热系统进行了进一步的改进， 具体地， 该水冷散热系统包括： 补水箱 5， 通过阀门 7与管道 8连通， 设置为根据管 道 8中当前的二级冷却水的水流量和所需的冷量调节补入到管道 8中的二级冷却水的 水流量； 补水箱 5， 通过阀门 7与管道 8连通， 还设置为根据管道 8中当前的三级冷 却水的水流量和所需的冷量调节补入到管道 8中的三级冷却水的水流量。 在本实施例 中， 可以通过调节阀门 7使得补水箱 5分别对二级冷却水和三级冷却水进行补给， 以 调节二级冷却水和三级冷却水的水流量和冷量， 实现根据不同需求对二级冷却水和三 级冷却水的水流量和冷量进行调节， 以满足不同待散热设备的不同散热需要， 从而增 强了本发明的使用灵活性。 在上述各优选实施例的基础上，本发明对上述水冷散热系统又做了进一步的改进， 具体地， 该水冷散热系统包括： 调速风扇 6， 设置为将待散热设备 4回风口的热空气 吹过水-空热交换器， 与多级冷却水系统中的最后一级冷却水系统（图 2中的三级冷却 水系统 300 ) 进行换热， 从而减低水 -空热交换器 3出口空气温度 （待散热设备 4入风 口）， 进而对通讯设备 4 (即待散热设备 4 ) 内电子产品进行散热， 其中， 通讯设备 4 中空气是封闭循环状态的。 进一步地， 在上述实施例中， 与水 -空热交换器进行换热的冷空气吸收电子产品的 热量后， 再次成为热空气， 在调速风扇 6的驱动力下再次进入水 -空热交换器 3， 与多 级冷却水系统中的最后一级冷却水系统进行热交换， 调速风扇 6将产生的低温空气再 次吹入待散热设备 4中。 如此不断循环， 实现对待散热设备 4进行散热。 进一步地， 在上述实施例中， 上述调速风扇 6依据温度探头 12探测的温度， 在一 定的冷量范围内， 只调节风扇转速， 调节风量， 达到优化系统散热目的， 从而控制系 统风扇噪音， 同时在一定程度上实现系统节能的效果。 在上述各优选实施例的基础上， 本发明对上述水冷散热系统做了进一步的改进， 具体地， 该水冷散热系统包括： 温度自控系统 11， 包括： 温度探头 12， 置于待散热设 备 4的回风口处， 设置为探测待散热设备 4中的回风温度， 以便根据测出的回风温度 调节多级冷却水 （图 2中的三级冷却水和二级冷却水） 和一级冷却水的水流量， 以调 节多级冷却水系统 100和一级冷却水系统的冷量。 在本实施例中， 在待散热通讯设备 4的回风口处设置有温度探头 12，根据温度探头 12探测到的温度有针对性地对多级冷 却水和一级冷却水的水流量进行调节，实现根据温度需求最终调节一级冷却水的冷量， 从而提高了本发明的散热效率， 提高了散热后待散热设备的温度的准确性。 在上述实施例的基础上， 本发明提供了一种优选的调节方案， 具体的， 在温度探 头 12探测出待散热设备 4中的回风温度高于预设温度值时，通过调节与补水箱 5和管 道 8连接的阀门 7以及调节水泵 9， 增大管道 8中的多级冷却水系统 200中的冷却水 的水流量； 在调节多级冷却水系统 200中的冷却水的水流量后，温度探头 12探测出待 散热设备 4中的回风温度高于预设温度值时， 通过调节与补水箱 5和管道 8连接的阀 门 7以及调节水泵 9， 增大管道 8中的三级冷却水系统 200中的冷却水的水流量。 在 本实施例中，在温度探头 12探测出待散热设备 4中的回风温度高于预设温度值时，对 二级冷却水系统 200与三级冷却水系统 300中的冷却水的水流量分别进行调节， 通过 调节设置在二级冷却水系统 200与三级冷却水系统 300中的水泵的转速， 分别控制二 级冷却水系统 200与三级冷却水系统 300中的冷却水的流速， 进而达到调节合适的二 级冷却水系统 200与三级冷却水系统 300冷量的目的， 以便准确地、 有效地传递冷量 到待散热设备 4中， 满足系统散热的需求， 同时达到节能目的。 在上述实施例的基础上， 本发明对调节方案做了改进， 具体地， 在增大管道 8中 的二级冷却水系统 200与三级冷却水系统 300中的冷却水的水流量后， 当探测出待散 热设备 4中的回风温度高于预设温度值时（此时， 待散热设备 4的散热能力不足）， 通 过调节与装有一级冷却水的蓄水箱 2连接的阀门 10， 增大蓄水箱 2中一级冷却水的水 流量。 在本实施例中， 在调节二级冷却水和三级冷却水的水流量后， 仍然无法满足待 散热设备 4的散热需要时， 可以通过对一级冷却水的水流量进行调节， 调节一级冷却 水的冷量， 进而调节二级冷却水系统 200和三级冷却水系统 300的冷量， 以满足待散 热设备 4的散热需要。 本发明实现了二级冷却水系统 200和三级冷却水系统 300的冷 量不够时， 可以通过调节一级冷却水的水流量来增强二级冷却水系统 200和三级冷却 水系统 300的冷量，从而可以实现本发明的对待散热设备 4进行大温度值区间的散热， 增强了本发明的实用性。 在上述各优选实施例的基础上， 本发明在管道 8上设置有保温材料， 以减少二级 冷却水系统 200和三级冷却水系统 300的冷量的流失， 实现可以充分将二级冷却水系 统 200和三级冷却水系统 300的冷量传递到待散热设备 4中， 提高对待散热设备 4的 散热效果。 在上述实施例的基础上， 保温材料可以但不限于为保温棉， 以经济的保温棉作为 保温材料， 可以在达到保温效果的同时降低成本。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本领域的技 术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内， 所作的 任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。 TECHNICAL FIELD The present invention relates to the field of heat dissipation of communication devices, and in particular to a water-cooling heat dissipation system. BACKGROUND OF THE INVENTION Moore's Law states that the efficiency of electronic products doubles every 18 months, so the heat consumption of electronic products also increases; at the same time, the structural size of electronic products is getting smaller and smaller, which together lead to the unit The heat flow in the volume is getting larger and larger, and the problem of heat dissipation in the system becomes more and more prominent. For example, a typical blade server system has a total heat consumption of the order of 10 3 -10 4 W, a volume of only 10-10 2 L, and a heat flow per unit volume of the order of 10 2 -10 3 W/L. At present, there are more and more chassis and cabinets with such heat consumption. If the traditional forced air cooling method is adopted, it is not only difficult to adapt to the increasing heat consumption demand, but also can solve the system heat dissipation problem and cause noise pollution. The problem of large energy consumption due to heat dissipation is also amplified. For cabinet-level systems with high heat consumption, liquid cooling systems are generally used for heat dissipation, but current liquid cooling systems generally use refrigeration systems as a cooling source. Since the operation of the refrigeration system requires a large amount of energy, although the refrigeration system can solve the heat dissipation problem of the high-heat cabinet-level system, it faces the problem of consuming a large amount of energy. Therefore, the current refrigeration liquid cooling system is not only uneconomical, but also has high maintenance costs. At the same time, it also causes real problems such as large energy consumption and pollution, and is not suitable for the energy conservation and emission reduction concept advocated by the state. SUMMARY OF THE INVENTION The present invention provides a water-cooling heat dissipation system to at least solve the related art that the forced air cooling heat dissipation method cannot meet the heat dissipation requirements of the high heat consumption equipment, consumes a large amount of energy, and consumes a large amount of energy and maintenance costs of the refrigeration type liquid cooling system. High problem. According to an aspect of the present invention, a water-cooling heat dissipation system is provided, comprising: a primary cooling water system, wherein a cooling capacity of a primary cooling water system is transmitted to a secondary cooling water system through a water-water heat exchanger; The cooling water system transfers the cooling capacity of the secondary cooling water system to the equipment to be dissipated through the water-to-air heat exchanger. Preferably, the first end of the water-water heat exchanger is in contact with the primary cooling water in the primary cooling water system, and the second end of the water-water heat exchanger is in contact with the secondary cooling water in the secondary cooling water system , configured to transfer the cooling capacity of the primary cooling water system to the secondary cooling water system; the first end of the water-to-air heat exchanger is connected to the secondary cooling water in the secondary cooling water system The second end of the water-to-air heat exchanger is connected to the device to be dissipated, and is arranged to transfer the cooling capacity of the secondary cooling water system to the device to be dissipated. Preferably, the primary cooling water system is an open system, and the secondary cooling water system is a closed circulation system. Preferably, the water-cooling heat dissipation system further includes: a pipeline serving as a flow passage of the primary cooling water in the primary cooling water system and the secondary cooling water in the secondary cooling water system; the water pump, disposed in the secondary cooling water system In the connection with the pipeline, it is arranged to drive the secondary cooling water to circulate in the pipeline by the pump pressure of the water pump. Preferably, the water-cooling heat dissipation system further includes: a water supply tank connected to the pipeline through the valve, and configured to adjust the secondary cooling water added to the pipeline according to the current water flow rate of the secondary cooling water in the pipeline and the required cooling capacity. Water flow. Preferably, the water cooling system further includes: a temperature automatic control system, comprising: a temperature probe disposed at a return air inlet of the device to be cooled, configured to detect a return air temperature in the device to be cooled, so as to be adjusted according to the measured return air temperature The flow rate of the primary cooling water in the primary cooling water system and the secondary cooling water in the secondary cooling water system to regulate the cooling capacity of the primary cooling water system and the secondary cooling water system. Preferably, the pipe is provided with an insulating material arranged to reduce the loss of cooling capacity of the secondary cooling water system. Preferably, the primary cooling water in the primary cooling water system is tap water. According to another aspect of the present invention, a water-cooling heat dissipation system is provided, comprising: a primary cooling water system for transferring a cooling capacity of a primary cooling water system to a multi-stage cooling water system through a water-water heat exchanger a first-stage cooling water system, wherein two adjacent cooling water systems in the multi-stage cooling water system are connected by a water-water heat exchanger to adjacent two-stage cooling water system in the multi-stage cooling water system Cold transfer between; multi-stage cooling water system, the last stage cooling water system in the multi-stage cooling water system passes the cooling capacity of the last stage cooling water system in the multi-stage cooling water system through the water-air heat exchanger Passed to the device to be cooled. Preferably, the first end of the water-water heat exchanger is in contact with the primary cooling water in the primary cooling water system, and the second end of the water-water heat exchanger is connected to the serially connected multi-stage cooling water system The cooling water contact in the primary cooling water system is set to transfer the cooling capacity of the primary cooling water system to the first-stage cooling water system in the multi-stage cooling water system; the first end of the water-to-air heat exchanger The cooling water in the last stage cooling water system in the stage cooling water system is contacted, and the second end of the water-to-air heat exchanger is connected to the equipment to be dissipated, and is set to be the last stage cooling water system in the multi-stage cooling water system The cooling capacity is transferred to the device to be cooled. Preferably, the primary cooling water system is an open system, and the single cooling water system in the multi-stage cooling water system is a closed circulation system. Preferably, the primary cooling water in the primary cooling water system is tap water. In the present invention, the cooling capacity of the primary cooling water system is transmitted to the secondary cooling water system through the water-water heat exchanger, and the cooling capacity of the secondary cooling water system is transferred to the heat to be dissipated through the water-to-air heat exchanger. In the equipment, by reducing the temperature of the air in the equipment to be dissipated and reducing the temperature of the chip, the heat dissipation of the system of the heat dissipating device is realized. At the same time, the first-stage cooling water system uses the urban tap water as the final cold source, and the second-stage cooling water system separately transports the cold. When the source is insufficient to meet the heat dissipation requirements of the device, the primary cooling water system can cooperate with the secondary cooling water system to increase the amount of cooling delivered to the device to be cooled, and to dissipate heat from the cooling device to avoid forced wind or cooling. The system implements heat dissipation for the heat dissipating device, thereby reducing the additional energy consumed by the heat dissipating device of the present invention, saving a large amount of system energy, and having low cost. The problem that the forced air cooling method in the related art cannot meet the heat dissipation requirement of the high heat consumption equipment, the large energy consumption, the large energy consumption of the refrigeration type liquid cooling system, and the high maintenance cost are solved, thereby using the water cooling system in the present invention. It is beneficial to improve the safety, stability and reliability of the equipment to be cooled. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, BRIEF DESCRIPTION OF THE DRAWINGS In the drawings: Fig. 1 is a schematic view showing a preferred structure of a water-cooling heat dissipation system according to an embodiment of the present invention; and Fig. 2 is a view showing another preferred configuration of a water-cooling heat dissipation system according to an embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. Embodiment 1 FIG. 1 is a schematic structural diagram of a water-cooling heat dissipation system according to an embodiment of the present invention. As shown in FIG. 1, the water-cooling heat dissipation system includes: a first-stage cooling water system 100 through a water-water heat exchanger 1 Passing the cooling capacity of the primary cooling water system 100 to the secondary cooling water system 200; the secondary cooling water system 200, transferring the cooling capacity of the secondary cooling water system 200 to the equipment to be cooled by the water-to-air heat exchanger 3 in. In the above preferred embodiment, the cooling capacity of the primary cooling water system 100 is transferred to the secondary cooling water system 200 through the water-water heat exchanger 1, and the secondary cooling water system 200 is passed through the water-to-air heat exchanger 3. The amount of cold is transferred to the heat sink In the device 4, heat exchange with the hot air in the device 4 to be cooled reduces the temperature of the hot air in the device 4 to be cooled, thereby cooling the temperature of the electronic product in the device 4 to be cooled, and at the same time, the primary cooling water system 100 The tap water is a cold source, and the cooling water is transferred to the equipment to be dissipated through the secondary cooling water system, and the heat dissipating device 4 is dissipated to avoid heat dissipation by the forced air or refrigeration system, thereby reducing the heat dissipation. The invention consumes a large amount of system energy for heat dissipation of the heat dissipating device, saves a large amount of system energy, and has low cost; and solves the related art, the forced air cooling method cannot meet the heat dissipation requirement of the high heat consumption device, consumes a large amount of energy, and cools The liquid cooling system has the problems of high energy consumption and high maintenance cost, so that the use of the water cooling and heat dissipation system in the invention is beneficial to improve the safety, stability and reliability of the operation of the equipment to be cooled. Based on the above embodiment, the present embodiment provides a connection mode of the preferred water-water heat exchanger 1 and the water-to-air heat exchanger 3, specifically, as shown in FIG. 1, the water-water heat exchanger 1 The first end is in contact with the primary cooling water in the primary cooling water system 100, and the second end of the water-water heat exchanger 1 is in contact with the secondary cooling water in the secondary cooling water system 200, and is set to be one stage The cooling capacity of the cooling water system 100 is transferred to the secondary cooling water system 200; the first end of the water-to-air heat exchanger 3 is in contact with the secondary cooling water in the secondary cooling water system 200, and the water-to-air heat exchanger 3 The second end is connected to the device to be dissipated 4 and is arranged to transfer the cooling capacity of the secondary cooling water system 200 to the device 4 to be dissipated. In this embodiment, the first-stage cooling water and the second-stage cooling water are connected by the water-water heat exchanger 1, and the cooling amount of the first-stage cooling water is transmitted to the secondary cooling water, and the water-to-air heat exchanger 3 is passed. Transferring the cooling capacity of the secondary cooling water to the equipment to be dissipated 4, and combining the cooling capacity of the primary cooling water and the cooling capacity of the secondary cooling water to be transferred from the secondary cooling water system 200 to the equipment to be cooled 4, Improve the heat dissipation effect of the heat sink 4 to be treated. Based on the above embodiments, the present invention improves the above water-cooling heat dissipation system. Specifically, the primary cooling water system 100 is an open system, and the secondary cooling water system 200 is a closed cycle system. In this embodiment, the first-stage cooling water system 100 pipe can be directly connected to the tap water system to form an open system, which fully utilizes the advantages of the natural cold source, and can achieve the system heat dissipation when the temperature of the heat-dissipating device 4 is reduced. The energy required to consume can achieve environmental protection. Based on the above embodiment, the present invention improves the above water-cooling heat dissipation system. As shown in FIG. 1, the water-cooling heat dissipation system includes: a pipe 8 serving as a flow passage for the primary cooling water and the secondary cooling water; 9. Arranged in the secondary cooling water system 200, connected to the pipe 8, and arranged to drive the secondary cooling water to circulate in the pipe 8 by the pump pressure of the water pump 9. In the present embodiment, the water-water heat exchanger 1 and the water-to-air heat exchanger 3 are brought into contact with the secondary cooling water in the pipe 8 through the pipe, so that the cooling capacity of the primary cooling water system 100 is transmitted to the secondary. The cooling water system 200 is finally delivered to the heat-dissipating device 4 to meet the heat-dissipating demand of the high-heat-consuming device; meanwhile, the circulating flow of the secondary cooling water is driven by the water pump 9, so that the secondary cooling water circulates in the pipe 8, and transmits The first stage cooling water is cooled to the equipment to be cooled. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. As shown in FIG. 1, the water-cooling heat dissipation system includes: a water supply tank 5, which is connected to the pipeline 8 through the valve 7, and is set according to The current flow rate of the secondary cooling water in the pipeline and the required cooling capacity regulate the flow of water to the secondary cooling water that is replenished into the pipeline. In this embodiment, the water supply tank 5 can be supplemented with the secondary cooling water by adjusting the valve 7, so as to adjust the water flow and the cooling capacity of the secondary cooling water, and realize the water flow and cold of the secondary cooling water according to different requirements. The amount is adjusted to meet different heat dissipation requirements of different devices to be cooled, thereby enhancing the flexibility of use of the present invention. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. As shown in FIG. 1, the water-cooling heat dissipation system includes: a temperature automatic control system 11 (shown as a broken line in FIG. 1), including: The temperature probe 12 is disposed at the air return port of the device 4 to be cooled, and is configured to detect the return air temperature in the device 4 to be cooled. In the process of adjusting the water flow, the first stage cooling water and the second temperature are adjusted according to the measured return air temperature. The water flow rate of the cooling water is adjusted to regulate the cooling capacity of the primary cooling water system 100 and the secondary cooling water system 200. In this embodiment, a temperature probe 12 is disposed at the air return port of the communication device 4 to be cooled, and the water flow rate of the primary cooling water and the secondary cooling water is specifically adjusted according to the temperature detected by the temperature probe 12. The cooling capacity of the primary cooling water and the secondary cooling water is adjusted according to the temperature requirement, thereby improving the heat dissipation efficiency of the invention and improving the accuracy of the temperature of the heat dissipation device after the heat dissipation. Based on the above embodiments, the present invention provides a preferred adjustment scheme. Specifically, when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than the preset temperature value, the pipe 8 is adjusted by adjusting the valve 7 connected to the water supply tank 5 and the pipe 8, and the water pump 9 is adjusted. The flow rate of the secondary cooling water. In this embodiment, when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than the preset temperature value, by adjusting the water flow rate of the secondary cooling water, by adjusting the rotation speed of the water pump 9, the second control The flow rate of the cooling water in the cooling system reaches the purpose of adjusting the appropriate secondary cooling water cooling capacity, so as to accurately and effectively transfer the cooling capacity to the heat dissipating device 4, to meet the heat dissipation requirement of the system, and at the same time achieve energy saving purposes. Based on the above embodiments, the present invention also provides a preferred adjustment scheme. Specifically, after increasing the water flow rate of the secondary cooling water in the pipe 8, when detecting that the return air temperature in the device to be dissipated 4 is higher than a preset temperature value (at this time, the heat dissipation capability of the heat dissipating device 4) Insufficient), by adjusting the valve 10 connected to the water storage tank 2 equipped with the primary cooling water, the water flow rate of the primary cooling water in the water storage tank 2 is increased. In this embodiment, after adjusting the water flow rate of the secondary cooling water, if the heat dissipation requirement of the heat dissipation device 4 is still not satisfied, the water flow rate of the primary cooling water can be adjusted to adjust the cooling capacity of the primary cooling water. Then, the cooling capacity of the secondary cooling water is adjusted to meet the heat dissipation requirement of the device 4 to be cooled. When the cooling capacity of the secondary cooling water is insufficient, the cooling capacity of the secondary cooling water can be enhanced by adjusting the water flow rate of the primary cooling water, so that the large temperature range of the heat treatment device 4 of the present invention can be realized. Heat dissipation enhances the utility of the present invention. Based on the above various preferred embodiments, the present invention is provided with a heat insulating material on the pipe 8 to reduce the loss of the cooling capacity of the secondary cooling water, so that the cooling capacity of the secondary cooling water can be sufficiently transmitted to the heat sinking device 4 The heat dissipation effect of the heat dissipation device 4 is improved. On the basis of the above embodiments, the heat insulating material can be, but not limited to, heat insulating cotton, and economical insulating cotton is used as the heat insulating material, which can reduce the cost while achieving the heat insulating effect. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. As shown in FIG. 1 , the water-cooling heat dissipation system includes: a speed control fan 6 configured to set a return air outlet of the device to be cooled The hot air is blown through the water-to-air heat exchanger to exchange heat with the secondary cooling water system 200, thereby reducing the outlet air temperature of the water-air heat exchanger 3 (to be cooled by the air inlet 4), and then to the communication device 4 ( That is, the heat-dissipating device 4) heats the electronic product, wherein the air in the communication device 4 is in a closed loop state. Further, in the above embodiment, the cold air that exchanges heat with the water-to-air heat exchanger absorbs the heat of the electronic product, and then becomes hot air again, and enters the water-air heat exchange again under the driving force of the speed regulating fan 6. The heat exchange between the secondary cooling water system 200 and the secondary cooling water system 200 causes the low temperature air generated by the speed regulating fan 6 to be blown into the heat sink 4 again. This is continuously circulated, and the heat dissipation device 4 is dissipated. Further, in the above embodiment, the speed control fan 6 adjusts the fan speed according to the temperature detected by the temperature probe 12, and adjusts the air volume within a certain cooling range to optimize the heat dissipation of the system, thereby controlling the system fan noise. At the same time, the effect of system energy saving is realized to a certain extent. Based on the above preferred embodiments, the primary cooling water in the primary cooling water system 100 may be tap water or other natural water sources, and fully utilize the pump pressure of the urban tap water system to press the tap water pump into the water storage tank. In order to reduce the energy of maintaining the first-stage cooling water circulation, at the same time, the advantages of the natural cold source are fully utilized, so as to reduce the heat-dissipating cost of the heat-dissipating device 4 and reduce the energy consumption and noise caused by the power-driven heat-dissipating system. At the same time, taking full advantage of the advantages of nature, it can be directly utilized for most heat dissipation scenarios, enhancing the operability of the present invention. Further, on the basis of the above preferred embodiments, ethylene glycol may be added to the secondary cooling water to reduce corrosion of the pipeline by the secondary cooling water, and at the same time, prevent secondary cooling when the external temperature is too low. The water is frozen to ensure that the present invention can smoothly dissipate heat from the heat dissipating device 4 when the outside temperature is too low. Embodiment 2 Based on the above preferred embodiments, the present invention provides another preferred water-cooling heat dissipation system. Specifically, as shown in FIG. 2, the water-cooling heat dissipation system includes: a primary cooling water system 100, through water -water heat exchanger 1 Passing the cooling capacity of the primary cooling water system 100 to the first-stage cooling water system in the multi-stage cooling water system, wherein the adjacent two-stage cooling water system in the multi-stage cooling water system passes through a water-water heat exchanger 1 phase connection for cooling transfer between adjacent two-stage cooling water systems in a multi-stage cooling water system; multi-stage cooling water system, the last stage cooling water system in a multi-stage cooling water system passes water-air The heat exchanger 3 transfers the cooling amount of the last stage cooling water system in the multi-stage cooling water system to the device 4 to be dissipated. In the above preferred embodiment, the primary cooling water system 100 shown in Fig. 2 has the same internal structure as the primary cooling water system 100 shown in Fig. 1, in the multistage cooling water system shown in Fig. 2. Each stage of the cooling water system has the same internal structure as the secondary cooling water system 200 shown in Fig. 1, and the device 4 to be dissipated shown in Fig. 2 has the same internal structure as the device 4 to be dissipated shown in Fig. 1. In addition, the primary cooling water system 100 shown in FIG. 2 is connected to the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the multi-stage cooling water system through the water-water heat exchanger 1. For the specific connection scheme, the connection manner of the first-stage cooling water system 100 shown in FIG. 1 through the water-water heat exchanger 1 and the secondary cooling water system 200 can be referred to. The final stage cooling water system (the tertiary cooling water system 300 in FIG. 2) in the multi-stage cooling water system shown in FIG. 2 can be connected to the device to be dissipated by the water-air heat exchanger 3 Referring to the specific connection scheme of the secondary cooling water system 200 shown in FIG. 1 through the water-to-air heat exchanger 3 and the device to be dissipated 4 is connected. In the above preferred embodiment, the cooling capacity of the primary cooling water system 100 is transferred to the first-stage cooling water system in the multi-stage cooling water system through the water-water heat exchanger 1, and adjacent in the multi-stage cooling water system The two-stage cooling water system transfers the cooling capacity through the water-water heat exchanger 1, and the cooling capacity of the last-stage cooling water system in the multi-stage cooling water system is transmitted to the equipment to be dissipated through the water-to-air heat exchanger 3. In the fourth embodiment, heat exchange is performed with the hot air in the heat dissipating device 4, and the temperature of the air in the device to be dissipated is reduced to reduce the temperature of the chip, thereby achieving high heat dissipation of the system to be dissipated by the heat dissipating device; meanwhile, different heat dissipating devices 4 can be realized. The heat dissipation requirement is to select the number of stages of the cooling water system to change the cooling capacity of the last stage cooling water system in the multi-stage cooling water system to meet the different heat dissipation requirements of the heat dissipating device 4, and enhance the flexibility of use of the present invention. Based on the above embodiments, the present embodiment provides a connection manner of the preferred water-water heat exchanger 1 and the water-to-air heat exchanger 3 in the multi-stage cooling water system. Specifically, reference may be made to FIG. The water-water heat exchanger 1 and the water-to-air heat exchanger 3 are connected, the first end of the water-water heat exchanger 1 is in contact with the primary cooling water in the primary cooling water system 100, and the water-water heat exchange The second end of the device 1 is in contact with the cooling water in the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the serially connected multi-stage cooling water system, and is configured to be the first-stage cooling water system. The cooling capacity of 100 is transferred to the first stage cooling water system in the multi-stage cooling water system; the first end of the water-to-air heat exchanger 3 and the last stage cooling water system in the multi-stage cooling water system (in Figure 2 Cooling water contact in the tertiary cooling water system 300), water-air The second end of the heat exchanger 3 is connected to the device 4 to be dissipated, and is arranged to transfer the cooling capacity of the last stage cooling water system in the multi-stage cooling water system to the device 4 to be dissipated. In the present embodiment, the cooling capacity of the primary cooling water and the first-stage cooling water system (the secondary cooling water system 200 in FIG. 2) in the multi-stage cooling water system are passed through the water-water heat exchanger 1. The cooling capacity of the cooling water is combined with the cooling capacity of the cooling water in the other stages of the cooling water system (the tertiary cooling water system 300 in Figure 2) in the multi-stage cooling water system, and is the last in the multi-stage cooling water system. The first-stage cooling water system (the three-stage cooling water system 300 in FIG. 2) transfers the combined cooling water cooling capacity to the heat-dissipating device 4, thereby improving the heat-dissipating effect of the heat-dissipating device 4, and at the same time, according to the device to be cooled 4 Different cooling requirements are required to select a multi-stage cooling water system with different stages to meet different heat dissipation requirements. Based on the above embodiments, the present invention improves the above water-cooling heat dissipation system. Specifically, the primary cooling water system 100 is an open system, and the multi-stage cooling water system is a closed circulation system. In this embodiment, the primary cooling water system 100 pipe can be directly connected to the natural water source system to form an open loop, which fully utilizes the advantages of the natural cold source, and can reduce the temperature of the equipment to be cooled 4 The energy consumed by the system to dissipate heat can achieve environmental protection. Based on the above preferred embodiments, the primary cooling water in the primary cooling water system 100 may be tap water or other natural water sources, and fully utilize the pump pressure of the urban tap water system to press the tap water pump into the water storage tank. In order to reduce the energy of maintaining the first-stage cooling water circulation, at the same time, the advantages of the natural cold source are fully utilized, so as to reduce the heat-dissipating cost of the heat-dissipating device 4 and reduce the energy consumption and noise caused by the power-driven heat-dissipating system. At the same time, taking full advantage of the advantages of nature, it can be directly utilized for most heat dissipation scenarios, enhancing the operability of the present invention. Further, based on the above preferred embodiments, ethylene glycol may be added to the multi-stage cooling water to reduce corrosion of the pipeline by the multi-stage cooling water, and at the same time, prevent multi-stage cooling when the external temperature is too low. The water is frozen to ensure that the present invention can smoothly dissipate heat from the heat dissipating device 4 when the outside temperature is too low. Based on the above embodiment, the present invention improves the water-cooling heat dissipation system. Specifically, the water-cooling heat dissipation system includes: a pipe 8 serving as a flow passage for the multi-stage cooling water; and a water pump 9 disposed at the secondary cooling water The system 200 and the tertiary cooling water system 300 are connected to the pipe 8 and are arranged to drive the secondary cooling water and the tertiary cooling water to circulate in the pipe 8 by the pump pressure of the water pump 9. In the present embodiment, the water-water heat exchanger 1 and the water-to-air heat exchanger 3 are brought into contact with the multi-stage cooling water in the pipe 8 through the pipe 8, so that the cooling capacity of the primary cooling water system 100 is transmitted to the second. The stage cooling water system 200, in turn, transfers the cooling capacity of the secondary cooling water system 200 to the tertiary cooling water system 300, and enhances the cooling capacity of the tertiary cooling water system 30 to meet the heat dissipation requirements of the high heat consumption equipment; 9 driving the circulating flow of the secondary cooling water and the tertiary cooling water, so that the secondary cooling water and the tertiary cooling water circulate in the pipeline 8, avoiding the use of the power source to drive the operation of the invention, and reducing the energy consumption of the invention. It avoids the problem of environmental protection and high noise caused by heat dissipation using a fan or the like. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. Specifically, the water-cooling heat dissipation system includes: a water supply tank 5 connected to the pipeline 8 through the valve 7, and configured according to the pipeline 8 The current water flow rate of the secondary cooling water and the required cooling capacity regulate the water flow rate of the secondary cooling water that is replenished into the pipe 8; the water supply tank 5 is connected to the pipe 8 through the valve 7, and is also arranged according to the pipe 8 The current three-stage cooling water flow rate and the required cooling capacity regulate the water flow rate of the tertiary cooling water that is replenished into the pipe 8. In this embodiment, the water supply tank 5 can be supplemented with the secondary cooling water and the tertiary cooling water by adjusting the valve 7, to adjust the water flow and the cooling capacity of the secondary cooling water and the tertiary cooling water, according to different The water flow and cooling capacity of the secondary cooling water and the tertiary cooling water are adjusted to meet different heat dissipation requirements of different heat sinking devices, thereby enhancing the flexibility of use of the present invention. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. Specifically, the water-cooling heat dissipation system includes: a speed control fan 6 configured to set the hot air of the air return port of the heat dissipation device 4 Blowing through the water-to-air heat exchanger to exchange heat with the last stage cooling water system (the tertiary cooling water system 300 in Fig. 2) in the multistage cooling water system, thereby reducing the air output of the water-air heat exchanger 3 The temperature (to be cooled by the air inlet 4) is used to dissipate the electronic products in the communication device 4 (ie, the device to be dissipated 4), wherein the air in the communication device 4 is in a closed loop state. Further, in the above embodiment, the cold air that exchanges heat with the water-to-air heat exchanger absorbs the heat of the electronic product, and then becomes hot air again, and enters the water-air heat exchange again under the driving force of the speed regulating fan 6. The heat exchange between the third stage cooling water system and the last stage cooling water system in the multi-stage cooling water system is performed, and the speed regulating fan 6 blows the generated low temperature air into the heat dissipating device 4 again. This is continuously circulated, and the heat dissipation device 4 is dissipated. Further, in the above embodiment, the speed control fan 6 adjusts the fan speed according to the temperature detected by the temperature probe 12, and adjusts the air volume within a certain cooling range to optimize the heat dissipation of the system, thereby controlling the system fan noise. At the same time, the effect of system energy saving is realized to a certain extent. Based on the above preferred embodiments, the present invention further improves the water-cooling heat dissipation system. Specifically, the water-cooling heat dissipation system includes: a temperature automatic control system 11 including: a temperature probe 12 disposed on the device 4 to be cooled At the return air outlet, it is set to detect the return air temperature in the heat dissipating device 4, so as to adjust the multi-stage cooling water (the three-stage cooling water and the second-stage cooling water in FIG. 2) and the first-stage cooling water according to the measured return air temperature. The water flow is used to regulate the cooling capacity of the multi-stage cooling water system 100 and the primary cooling water system. In this embodiment, a temperature probe 12 is disposed at the air return port of the communication device 4 to be cooled, and the water flow rate of the multi-stage cooling water and the first-stage cooling water is specifically adjusted according to the temperature detected by the temperature probe 12, The cooling amount of the first-stage cooling water is finally adjusted according to the temperature requirement, thereby improving the heat dissipation efficiency of the invention and improving the accuracy of the temperature of the device to be cooled after the heat dissipation. On the basis of the above embodiments, the present invention provides a preferred adjustment scheme. Specifically, when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than a preset temperature value, the adjustment and the water supply tank are adopted. 5, the valve 7 connected to the pipe 8 and the regulating water pump 9, increasing the water flow rate of the cooling water in the multi-stage cooling water system 200 in the pipe 8; after adjusting the water flow rate of the cooling water in the multi-stage cooling water system 200, When the temperature probe 12 detects that the return air temperature in the heat sink device 4 is higher than the preset temperature value, the third stage cooling water in the pipe 8 is increased by adjusting the valve 7 connected to the makeup water tank 5 and the pipe 8 and adjusting the water pump 9. The water flow rate of the cooling water in system 200. In this embodiment, when the temperature probe 12 detects that the return air temperature in the device 4 to be dissipated is higher than a preset temperature value, the water flow rate of the cooling water in the secondary cooling water system 200 and the tertiary cooling water system 300 Adjusting separately, by adjusting the rotational speeds of the water pumps disposed in the secondary cooling water system 200 and the tertiary cooling water system 300, respectively controlling the flow rates of the cooling water in the secondary cooling water system 200 and the tertiary cooling water system 300, and further The purpose of adjusting the cooling capacity of the appropriate secondary cooling water system 200 and the tertiary cooling water system 300 is achieved in order to accurately and effectively deliver the cooling capacity to the heat sinking device 4 to meet the heat dissipation requirements of the system and achieve energy saving purposes. On the basis of the above embodiments, the present invention improves the adjustment scheme, specifically, after increasing the water flow rate of the cooling water in the secondary cooling water system 200 and the tertiary cooling water system 300 in the pipe 8, When detecting that the return air temperature in the heat sink device 4 is higher than a preset temperature value (in this case, the heat dissipation capability of the heat sink device 4 is insufficient), by adjusting the valve 10 connected to the water storage tank 2 equipped with the first stage cooling water, The water flow rate of the primary cooling water in the water storage tank 2 is increased. In this embodiment, after adjusting the water flow rate of the secondary cooling water and the tertiary cooling water, if the heat dissipation requirement of the heat dissipation device 4 is still not satisfied, the water flow rate of the primary cooling water can be adjusted, and the first stage is adjusted. The cooling capacity of the cooling water further adjusts the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300 to meet the heat dissipation requirements of the heat sinking device 4. The invention realizes that when the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300 is insufficient, the cooling of the secondary cooling water system 200 and the tertiary cooling water system 300 can be enhanced by adjusting the water flow of the primary cooling water 300. The amount of heat radiation device 4 of the present invention can be dissipated in a large temperature range, and the utility of the present invention is enhanced. Based on the above preferred embodiments, the present invention is provided with a heat insulating material on the pipe 8 to reduce the loss of the cooling capacity of the secondary cooling water system 200 and the tertiary cooling water system 300, so that the secondary cooling water can be fully realized. The cooling capacity of the system 200 and the tertiary cooling water system 300 is transferred to the device 4 to be dissipated, thereby improving the heat dissipation effect of the heat dissipating device 4. On the basis of the above embodiments, the heat insulating material can be, but not limited to, heat insulating cotton, and economical insulating cotton is used as the heat insulating material, which can reduce the cost while achieving the heat insulating effect. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

权 利 要 求 书 Claim
1. 一种水冷散热系统， 包括： 1. A water cooling system, comprising:
一级冷却水系统（100)，通过水-水换热器（ 1 )将所述一级冷却水系统（ 100) 的冷量传递给二级冷却水系统 （200);  a primary cooling water system (100), the cooling capacity of the primary cooling water system (100) is transferred to the secondary cooling water system (200) through a water-water heat exchanger (1);
所述二级冷却水系统 （200)， 通过水-空换热器 （3 ) 将所述二级冷却水系 统 （200) 的冷量传递到所述待散热设备 （4) 中。  The secondary cooling water system (200) transfers the cooling capacity of the secondary cooling water system (200) to the device to be dissipated (4) through a water-to-air heat exchanger (3).
2. 根据权利要求 1所述的水冷散热系统， 其中， 所述水-水换热器 （1 ) 的第一端 与所述一级冷却水系统（100) 中的一级冷却水接触， 所述水-水换热器（1 ) 的 第二端与所述二级冷却水系统（200)中的二级冷却水接触， 设置为将所述一级 冷却水系统 （100) 的冷量传递给所述二级冷却水系统 （200); 所述水-空换热 器（3 ) 的第一端与所述二级冷却水系统（200) 中的二级冷却水接触， 所述水- 空换热器（3 )的第二端连接至所述待散热设备（4)， 设置为将所述二级冷却水 系统 （200) 的冷量传递到所述待散热设备 （4) 中。 2. The water-cooling heat dissipation system according to claim 1, wherein a first end of the water-water heat exchanger (1) is in contact with primary cooling water in the primary cooling water system (100), The second end of the water-water heat exchanger (1) is in contact with the secondary cooling water in the secondary cooling water system (200), and is arranged to transfer the cooling capacity of the primary cooling water system (100) Giving the secondary cooling water system (200); the first end of the water-to-air heat exchanger (3) is in contact with secondary cooling water in the secondary cooling water system (200), the water The second end of the empty heat exchanger (3) is connected to the device (4) to be dissipated, and is arranged to transfer the cooling capacity of the secondary cooling water system (200) into the device (4) to be dissipated.
3. 根据权利要求 1所述的水冷散热系统， 其中， 所述一级冷却水系统（100)为开 式系统， 所述二级冷却水系统 （200) 为闭式循环系统。 The water-cooling heat dissipation system according to claim 1, wherein the primary cooling water system (100) is an open system, and the secondary cooling water system (200) is a closed circulation system.
4. 根据权利要求 1至 3中任一项所述的水冷散热系统， 其中， 还包括： The water-cooling heat dissipation system according to any one of claims 1 to 3, further comprising:
管道（8)， 用作所述一级冷却水系统（100)中的一级冷却水和所述二级冷 却水系统 （200) 中的二级冷却水的流动通道；  a pipe (8) serving as a flow passage of the primary cooling water in the primary cooling water system (100) and the secondary cooling water in the secondary cooling water system (200);
水泵 （9)， 设置在所述二级冷却水系统（200) 中， 与所述管道（8)连接， 设置为通过所述水泵 （9) 的泵压驱动所述二级冷却水在所述管道 （8) 中循环 流动。  a water pump (9) disposed in the secondary cooling water system (200), connected to the pipe (8), configured to drive the secondary cooling water by pumping pressure of the water pump (9) Circulating flow in the pipe (8).
5. 根据权利要求 4所述的水冷散热系统， 其中， 还包括： 5. The water-cooling heat dissipation system according to claim 4, further comprising:
补水箱 （5 )， 通过阀门 （7) 与所述管道 （8) 连通， 设置为根据所述管道 ( 8)中当前的所述二级冷却水的水流量和所需的冷量调节补入到所述管道（8) 中的二级冷却水的水流量。  a water supply tank (5) communicating with the pipe (8) through a valve (7), configured to adjust the filling according to the current flow rate of the secondary cooling water in the pipe (8) and the required cooling capacity The flow of water to the secondary cooling water in the conduit (8).
6. 根据权利要求 1至 3中任一项所述的水冷散热系统， 其中， 还包括： 温度自控系统 （11 )， 包括： 温度探头 （12)， 置于所述待散热设备 （4) 的回风口处， 设置为探测所述 待散热设备（4)中的回风温度， 以便根据测出的回风温度调节所述一级冷却水 系统 （100) 中的一级冷却水和所述二级冷却水系统 （200) 中的二级冷却水的 水流量， 以调节所述一级冷却水系统 （100) 和所述二级冷却水系统 （200) 的 冷量。 The water-cooling heat dissipation system according to any one of claims 1 to 3, further comprising: a temperature automatic control system (11), comprising: a temperature probe (12) disposed at the air return opening of the device (4) to be dissipated, configured to detect a return air temperature in the device (4) to be dissipated, to adjust the first air temperature according to the measured return air temperature The primary cooling water in the primary cooling water system (100) and the secondary cooling water in the secondary cooling water system (200) to regulate the primary cooling water system (100) and the second The cooling capacity of the cooling water system (200).
7. 根据权利要求 1至 3中任一项所述的水冷散热系统， 其中， 所述一级冷却水系 统 （100) 中的一级冷却水为自来水。 The water-cooling heat dissipation system according to any one of claims 1 to 3, wherein the primary cooling water in the primary cooling water system (100) is tap water.
8. 根据权利要求 4所述的水冷散热系统，其中，所述管道（8)上设置有保温材料， 设置为减少所述二级冷却水系统 （200) 的冷量流失。 8. The water-cooling heat dissipation system according to claim 4, wherein the pipe (8) is provided with a heat insulating material disposed to reduce the loss of the cooling capacity of the secondary cooling water system (200).
9. 一种水冷散热系统， 包括： 9. A water cooling system, comprising:
一级冷却水系统（100)，通过水-水换热器（ 1 )将所述一级冷却水系统（ 100) 的冷量传递给多级冷却水系统中的第一级冷却水系统， 其中， 所述多级冷却水 系统中的相邻两级冷却水系统通过一个水-水换热器 （1 ) 相连接， 以在所述多 级冷却水系统中的相邻两级冷却水系统之间进行冷量传递；  a primary cooling water system (100), wherein the cooling capacity of the primary cooling water system (100) is transferred to the first-stage cooling water system in the multi-stage cooling water system through a water-water heat exchanger (1), wherein The adjacent two-stage cooling water system in the multi-stage cooling water system is connected by a water-water heat exchanger (1) to be adjacent to the two-stage cooling water system in the multi-stage cooling water system. Cooling between
所述多级冷却水系统， 所述多级冷却水系统中的最后一级冷却水系统通过 水-空换热器 （3 ) 将所述多级冷却水系统中的最后一级冷却水系统的冷量传递 到所述待散热设备 （4) 中。  The multi-stage cooling water system, the last stage cooling water system in the multi-stage cooling water system passes the water-to-air heat exchanger (3) to the last stage cooling water system in the multi-stage cooling water system Cooling is transferred to the device to be cooled (4).
10. 根据权利要求 9所述的水冷散热系统， 其中， 所述水-水换热器 （1 ) 的第一端 与所述一级冷却水系统（100) 中的一级冷却水接触， 所述水-水换热器（1 ) 的 第二端与串行连接的多级冷却水系统中的第一级冷却水系统中的冷却水接触， 设置为将所述一级冷却水系统（100)的冷量传递给多级冷却水系统中的第一级 冷却水系统； 所述水-空换热器 （3 ) 的第一端与多级冷却水系统中的最后一级 冷却水系统中的冷却水接触， 所述水-空换热器 （3 ) 的第二端连接至待散热设 备 （4)， 设置为将多级冷却水系统中的最后一级冷却水系统的冷量传递到待散 热设备 （4) 中。 10. The water-cooling heat dissipation system according to claim 9, wherein the first end of the water-water heat exchanger (1) is in contact with the primary cooling water in the primary cooling water system (100), The second end of the water-water heat exchanger (1) is in contact with the cooling water in the first-stage cooling water system in the serially connected multi-stage cooling water system, and is configured to set the first-stage cooling water system (100) The cooling capacity is transferred to the first stage cooling water system in the multi-stage cooling water system; the first end of the water-to-air heat exchanger (3) and the last stage cooling water system in the multi-stage cooling water system The cooling water contact, the second end of the water-to-air heat exchanger (3) is connected to the device to be dissipated (4), and is arranged to transfer the cooling capacity of the last-stage cooling water system in the multi-stage cooling water system to Wait for the heat sink (4).
11. 根据权利要求 9所述的水冷散热系统， 其中， 所述一级冷却水系统（100)为开 式系统， 所述多级冷却水系统为闭式循环系统。 11. The water-cooling heat dissipation system according to claim 9, wherein the primary cooling water system (100) is an open system, and the multi-stage cooling water system is a closed circulation system.
12. 根据权利要求 9所述的水冷散热系统， 其中， 所述一级冷却水系统（100)中的 一级冷却水为自来水。 The water-cooling heat dissipation system according to claim 9, wherein the primary cooling water in the primary cooling water system (100) is tap water.
PCT/CN2012/072976 2011-12-29 2012-03-23 Water-cooling radiating system WO2013097369A1 (en)

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