Summary of the invention
The object of the application is to propose a kind of liquid cooling apparatus for data center's rack of improvement, liquid cooling rack and liquid cooling system, solves the technical problem that above background technology part is mentioned.
First aspect, this application provides the liquid cooling apparatus for data center's rack, comprising: end radiator coil tube, is located at the air side of rack; Feed pipe, the delivery outlet of UNICOM's cooler and the input port of multiple described end radiator coil tube; Liquid back pipe, the multiple delivery outlet of described end radiator coil tube of UNICOM and the input port of described cooler; Described cooler, for the cooling fluid refluxed through described liquid back pipe to described end radiator coil tube conveying cooling fluid and cooling from described end radiator coil tube by described feed pipe; Detection components, is located in described feed pipe, for detecting the pressure in described feed pipe; Ginseng pressure assembly, for according to the pressure detected, regulates pressure in described feed pipe to lower than atmospheric pressure.
In certain embodiments, described detection components comprises following one or more: flow switch, liquid level detection gauge and pressure detecting meter.
In certain embodiments, described detection components is located at next place or many places: cooler place described in end radiator coil tube place described in described feed pipe UNICOM and described feed pipe UNICOM; And cooler place described in described feed pipe or described liquid back pipe UNICOM is located at by described ginseng pressure assembly.
In certain embodiments, described device also comprises: stop valve, be located in described feed pipe and described liquid back pipe with described detection components corresponding section, pressure for detecting in response to described detection components is greater than default pressure threshold, cuts off the cooling fluid circulated in described feed pipe and described liquid back pipe.
In certain embodiments, described cooler comprises: radiator and/or heat exchanger.
In certain embodiments, when described cooler comprises radiator, described device also comprises: for the fan of radiator, for the formation of air-flow to accelerate the air circulation of spreader surface; And/or spray assemblies, for spraying described radiator to cool described radiator.
In certain embodiments, when described cooler comprises radiator and heat exchanger, described feed pipe comprises: for distinguishing the feed flow arm of radiator and described heat exchanger described in UNICOM, described in each, feed flow arm is provided with electrically operated valve; And described liquid back pipe comprises: for distinguishing time liquid arm of radiator described in UNICOM and described heat exchanger, returning liquid arm described in each and being provided with electrically operated valve.
In certain embodiments, described cooling system also comprises: temperature sensing assembly, for detecting the ambient temperature of described cooler; Control assembly, for when described ambient temperature is lower than preset temperature, controls electrically operated valve on each feed flow arm and each returns electrically operated valve action on liquid arm with feed pipe described in UNICOM and described liquid back pipe and described radiator; And when described ambient temperature is higher than described preset temperature, control electrically operated valve on each feed flow arm and each returns electrically operated valve action on liquid arm with feed pipe described in UNICOM and described liquid back pipe and described heat exchanger.
In certain embodiments, described end radiator coil tube is integrated in the air side of the radiator fan of described rack.
In certain embodiments, a part for described feed pipe and a part for described liquid back pipe are integrated on the framework of described rack; And/or another part of another part of described feed pipe and described liquid back pipe defaults in the machine room residing for described rack.
In certain embodiments, when a part for described feed pipe is integrated on the framework of described rack, and when another part of described feed pipe defaults in the machine room residing for described rack, another part of described feed pipe at least reserves the interface with a part for described feed pipe, wherein, the position of interface reserved of another part of described feed pipe is determined based on the arrangement position of the rack preset and the position of feed pipe that is integrated on described framework; And when a part for described liquid back pipe is integrated on the framework of described rack, and when another part of described liquid back pipe defaults in the machine room residing for described rack, another part of described liquid back pipe at least reserves the interface with a part for described liquid back pipe, wherein, the position of interface reserved of another part of described liquid back pipe is determined based on the arrangement position of the rack preset and the position of liquid back pipe that is integrated on described framework.
In certain embodiments, the interface in described feed pipe is connected by snap joint; And the interface in described liquid back pipe is connected by snap joint.
In certain embodiments, the arrangement mode of described end radiator coil tube is determined based on the cooling power of the arrangement mode of the source of heat release in the rack row formed in described rack or by described rack, heat radiation power and described end radiator coil tube.
Second aspect, this application provides a kind of liquid cooling rack, comprising: end radiator coil tube as above.
In certain embodiments, when a part for described feed pipe and/or a part for described liquid back pipe are integrated on the framework of described rack, described rack also comprises: a part for described feed pipe and/or a part for described liquid back pipe.
The third aspect, this application provides a kind of liquid cooling system, comprising: cabinet body and liquid cooling apparatus as above.
The liquid cooling apparatus for data center's rack that the application provides, liquid cooling rack and liquid cooling system, by being located at the end radiator coil tube of the air side of rack, the feed pipe of the delivery outlet of UNICOM's cooler and the input port of multiple end radiator coil tube, the liquid back pipe of the multiple delivery outlet of end radiator coil tube of UNICOM and the input port of cooler and the cooler for carrying cooling fluid by feed pipe terminad radiator coil tube and cooling the cooling fluid refluxed through liquid back pipe from end radiator coil tube form cooling liquid circulation circuit, the detection components being used for detected pressures is set in feed pipe, and by ginseng pressure assembly according to the pressure detected, absolute pressure in adjustment feed pipe is extremely lower than atmospheric pressure, thus can flood be prevented, improve the watertight reliability of data center machine room.
Further, in certain embodiments, a part for feed pipe and a part for liquid back pipe can be integrated on the framework of rack, alternatively or additionally, another part feed pipe and another part liquid back pipe default in the machine room residing for rack, thus liquid cooling apparatus can Fast Installation be put in place.
Further, in certain embodiments, the interface in feed pipe and the interface in liquid back pipe adopt snap joint to be connected, and are convenient to the maintenance and operation of liquid cooling apparatus.
Embodiment
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
Exemplary, the liquid cooling apparatus of data center's rack as shown in Figure 1, can include but not limited to end radiator coil tube 110, feed pipe 120, liquid back pipe 130, cooler 140, pressure detecting assembly 150 and ginseng pressure assembly 160.
Wherein, end radiator coil tube 110, is located at the air side of rack 170.
Be appreciated that, end radiator coil tube 110 is piping units of a kind of coiling, there is good heat-conductive characteristic, the tube wall of pipeline is as heat-conduction medium, heat conduction in pipeline outer air can be made to the cooling fluid in pipeline, thus the hot-air outside cooling pipe the cooling fluid in water back.
The arrangement mode of end radiator coil tube 110, can determine based on the cooling power of the arrangement mode of the source of heat release in the rack row formed in rack or by rack, heat radiation power and end radiator coil tube.Such as, when the heat radiation power that the cooling power of end radiator coil tube is comparatively large, can meet all source of heat releases in a rack or multiple rack, can be that a rack or multiple rack arrange an end radiator coil tube; When the cooling power of end radiator coil tube is less and in rack, the heat radiation power of each thermal source is higher, also end radiator coil tube can be set one by one for the source of heat release (such as server) in rack.
The end view being located at an embodiment of the end radiator coil tube of source of heat release air side in rack according to the application and front view is respectively illustrated with further reference to Fig. 2 and Fig. 3, Fig. 2 and Fig. 3.
As shown in Figure 2, in the present embodiment, end radiator coil tube 110 is arranged at the air side of the radiator fan of four layers of thermal source (such as server) in rack except the rack power module at the switch at top and middle part, thus pass through the operation of radiator fan 171, the heat that rack 170 endogenous pyrogen produces is delivered to end radiator coil tube 110 along the airflow direction shown in dotted arrow cool, thus obtains the circulation that cooled air participates in indoor cooling-air again.Wherein, from top to bottom integrated of the radiator fan 171 of ground floor and the end radiator coil tube 110 of its air side A-A section is set.
As shown in Figure 3, the radiator fan 171 of ground floor from top to bottom and the A-A cutaway view of integrated of the end radiator coil tube 110 of its air side is presented in Fig. 3, show the ground floor radiator fan 171 after ground floor end radiator coil tube 110, and show be located at rack 170 respectively the second layer to the second layer of the air side of the 4th layer of radiator fan 171 to the 4th layer of end radiator coil tube 110, thus pass through the operation of radiator fan 171, the heat delivery that rack 170 endogenous pyrogen produces is cooled to end radiator coil tube, thus obtain the circulation that cooled air participates in indoor cooling-air.
Be appreciated that the situation shown in above-mentioned Fig. 2 and Fig. 3 is only illustrating for the application, do not form the restriction to the application.Such as, in figure, the arrangement mode of end radiator coil tube can also arrange an end radiator coil tube for multiple radiator fan that is horizontal or vertical setting; The quantity of end radiator coil tube can be reduced to the quantity arranging end radiator coil tube by single file or multirow (also can be single-row or multiple row) radiator fan; The setting position of thermal source in rack can be arranged according to user's request; And included assembly also can use the demand of rack to arrange according to user in rack.
Above-mentioned end radiator coil tube 110, and the connecting mode between feed pipe 120 and liquid back pipe 130 can be existing or various connecting modes in the technology of future development, the application does not limit this.Such as, end radiator coil tube 110 and connecting between feed pipe 120 and liquid back pipe 130 can be and be actively coupled, thus are convenient to plug and safeguard.
Be appreciated that, also exemplaryly in above-mentioned Fig. 1 and Fig. 3 show when end radiator coil tube is multiple, feed pipe and liquid back pipe can comprise and radiator coil tube branch pipeline one to one respectively: a branch pipeline 121 of the input pipe difference UNICOM feed pipe of single end radiator coil tube, a branch pipeline 131 of the efferent duct difference UNICOM liquid back pipe of single end radiator coil tube.
Be appreciated that, except the mode that the liquid cooling apparatus shown in above-mentioned Fig. 1 and Fig. 2 comprises multiple end radiator coil tube, this liquid cooling apparatus also only can comprise the enough end radiator coil tubes of single power, and now for feed pipe and this single end radiator coil tube of the direct UNICOM of liquid back pipe of UNICOM's cooler.
The above-mentioned end radiator coil tube 110 being located at the air side of rack, can improve with the laminating degree of rack and improve the radiating effect of rack.In some implementations, end radiator coil tube can also be integrated in the air side of the radiator fan of rack, thus makes the structure between end radiator coil tube and rack more compact, more near thermal source, thus improves cooling effectiveness.
The cooling fluid of circulation in above-mentioned end radiator coil tube 110 is in liquid cooling apparatus, constantly circulate to realize the liquid cooling medium freezed, such as cold oil or cooling water etc.Cooling fluid absorbs the heat of cooled medium heat air in end radiator coil tube 110, transfers heat to surrounding air or water and cool in cooler 140.
Above-mentioned feed pipe 120, for the delivery outlet of UNICOM's cooler and the input port of described end radiator coil tube, thus is delivered to end radiator coil tube 110 by cooled for cooler 140 cooling fluid.
Alternatively, a part for above-mentioned feed pipe can be integrated on the framework of rack, so that factory modularization is produced; Alternatively or additionally, another part of above-mentioned feed pipe defaults in the machine room residing for rack, to install before rack marches into the arena prerequisite, shortens the delivery time.When a part for feed pipe is integrated on the framework of rack, and when another part of feed pipe defaults in the machine room residing for rack, another part of feed pipe at least reserves the interface with a part for feed pipe, wherein, the position of interface reserved of another part of feed pipe is determined based on the arrangement position of the rack preset and the position of feed pipe that is integrated on framework.
The conveniently quick UNICOM of each section of feed pipe, the interface in feed pipe between each section can be connected by snap joint.
Liquid back pipe 130, for the delivery outlet of UNICOM's end radiator coil tube and the input port of described cooler, thus is back to cooler 140 by the cooling fluid absorbing the intensification after heat in end radiator coil tube and cools.
Alternatively, a part for liquid back pipe can be integrated on the framework of rack 170, so that factory modularization is produced; Alternatively or additionally, another part of liquid back pipe defaults in the machine room residing for rack 170, to install before rack marches into the arena prerequisite, shortens the delivery time.When a part for liquid back pipe is integrated on the framework of rack, and when another part of liquid back pipe defaults in the machine room residing for rack, another part of liquid back pipe at least can reserve the interface with a part for liquid back pipe, wherein, the position of interface reserved of another part of liquid back pipe is determined based on the arrangement position of the rack preset and the position of liquid back pipe that is integrated on framework.
Equally, the conveniently quick UNICOM of each section of liquid back pipe, the interface in liquid back pipe between each section also can be connected by snap joint.
Above-mentioned cooler 140, for the cooling fluid refluxed from end radiator coil tube through liquid back pipe by feed pipe terminad radiator coil tube conveying cooling fluid and cooling.
Here, cooler 140 is the cooling devices for cooling cooling fluid, it can be any one cooling device in the technology of prior art or future development, such as, cooler 140 can shift for heat machinery or other utensils produced in the course of the work to avoid affecting its radiator 141 normally worked in time, alternatively or additionally, cooler 140 can also for passing to the heat exchanger 142 etc. of the equipment of cold fluid by the partial heat of hot fluid, the application is not construed as limiting this.
In the application of reality, the quantity of cooler 140 and cooling power, the quantity of the rack that can cool as required and heat dissipation capacity are determined.Exemplary, as shown in Figure 1, in some cases, temperature is lower sometimes can be directly used in cooling cooling fluid for ambient temperature, and temperature is higher sometimes cannot be directly used in cooling cooling fluid, and now cooler can comprise radiator and heat exchanger simultaneously.(not shown in figure 1) in other cases, ambient temperature is always lower, can be directly used in cooling cooling fluid, now can only adopt radiator as cooler.(not shown in figure 1) in a third situation, the ambient temperature always higher radiator that cannot use cools cooling fluid, now can only adopt heat exchanger as cooler.
In some implementations, when cooler 140 comprises radiator 141, liquid cooling apparatus can also comprise: for the fan of radiator, for the formation of air-flow to accelerate the air circulation of spreader surface; Alternatively or additionally, spray assemblies can also be comprised, for spray cooling device with cooling radiator.
In some implementations, when cooler 140 comprises radiator 141 and heat exchanger 142, above-mentioned feed pipe 120 can comprise: for distinguishing the feed flow arm 122 of UNICOM's radiator and heat exchanger, each feed flow arm is provided with the electrically operated valve for feed flow; And above-mentioned liquid back pipe 130 can comprise: return liquid arm 141 for respectively UNICOM's radiator and heat exchanger, each returns liquid arm and is provided with electrically operated valve for returning liquid.Here, can by the electrically operated valve opening and closing controlling feed flow arm and return in liquid arm, thus control feed pipe 120 and liquid back pipe 130 UNICOM's radiator or heat exchanger easily.
Above-mentioned pressure detecting assembly 150, is located in feed pipe, is the assembly for detecting the pressure in feed pipe.The pressure in feed pipe such as can be detected by flow switch, liquid level detection gauge and pressure detecting meter etc.Count example with level sensing, if liquid level detection gauge detects that liquid level reduces, then feed pipe internal pressure increases the gas leakage of instruction feed pipe.The setting position of detection components, can be the arbitrary place in feed pipe, the application limit this.Alternatively, consider that the pressure of joining in the feed pipe after pressure through ginseng pressure assembly 160 is maximum, what need guarantee Pressure maximum value meets pressure requirements, therefore pressure detecting assembly 150 can be located at cooler place of feed pipe UNICOM as shown in Figure 1, when detection components detects that feed pipe internal pressure increases, cut off feed pipe feed flow, thus improve the fail safe of machine room.Alternatively or additionally, consider the fail safe of separate unit rack, detection components also can be arranged at end radiator coil tube place of feed pipe UNICOM, when detection components detects that the overpressure of feed pipe supply end radiator coil tube increases, cut off terminad radiator coil tube feed flow, thus improve the fail safe (not shown) of rack.
Ginseng pressure assembly 160, for the pressure according to detection, the pressure in adjustment feed pipe is extremely lower than atmospheric pressure.Ginseng pressure assembly can for regulating the assembly of feed pipe internal pressure, such as pressure reducer ,/suction pump or regulated the assembly etc. of feed pipe internal pressure by difference in height of bleeding.The setting position of ginseng pressure assembly can be any place in feed pipe or liquid back pipe.Alternatively, consider that the pressure of the feed pipe at cooler outlet place is comparatively large, ginseng pressure assembly can be located at cooler place of feed pipe UNICOM, to regulate the liquid supply pressure of whole feed pipe.
Above-mentioned liquid cooling apparatus can also comprise: stop valve 180, and the pressure for detecting in response to detection components is greater than default pressure threshold, cuts off the cooling fluid circulated in feed pipe and liquid back pipe.The setting position of stop valve, usually setting corresponding with the setting position of pressure detecting assembly 150, also namely stop valve 180 is set being provided with pressure detecting assembly 150 place, and the correspondence position on liquid back pipe also arranges stop valve, thus prevent the cooling fluid in feed pipe and liquid back pipe from continuing circulation.Stop valve 180 can be greater than default pressure threshold in response to the pressure detected, and cuts off feed pipe feed flow.Here, pressure threshold is the secure threshold of the feed pipe internal pressure according to atmospheric pressure setting, and by arranging stop valve 180, when can exceed default pressure threshold at the pressure detected, fast shut-off feed flow, improves the fail safe of liquid cooling apparatus.
Concrete realize in scene at one, can determine by following steps the part that needs in liquid cooling apparatus to overhaul:
1) pressure that the pressure detecting assembly being positioned at end radiator coil tube place of feed pipe UNICOM if find detects is greater than default pressure threshold, then can turn off by two stop valves laying respectively at feed pipe and end radiator coil tube place of liquid back pipe UNICOM the cooling fluid circulated in feed pipe and liquid back pipe, afterwards the end radiator coil tube be turned off be overhauled.
2) pressure that the pressure detecting assembly being positioned at cooler place of feed pipe UNICOM if find detects is greater than default pressure threshold, then can turn off by two stop valves laying respectively at feed pipe and cooler place of liquid back pipe UNICOM the cooling fluid circulated in feed pipe and liquid back pipe, afterwards main line be overhauled.
3) pressure that the pressure detecting assembly being positioned at end radiator coil tube place of feed pipe UNICOM if find detects and the pressure that the pressure detecting assembly being positioned at cooler place of feed pipe UNICOM detects all are greater than default pressure threshold, then first can turn off by two stop valves laying respectively at feed pipe and end radiator coil tube place of liquid back pipe UNICOM the cooling fluid circulated in feed pipe and liquid back pipe, afterwards the end radiator coil tube be turned off is overhauled, after overhauling, the pressure that the pressure detecting assembly being positioned at cooler place of feed pipe UNICOM if find detects still is greater than default pressure threshold, then can turn off by two stop valves laying respectively at feed pipe and cooler place of liquid back pipe UNICOM the cooling fluid circulated in feed pipe and liquid back pipe, again main line is overhauled.
On the basis of Fig. 1, above-mentioned liquid cooling apparatus can also comprise: temperature sensing assembly (not shown), for detecting the ambient temperature residing for cooler; Control assembly (not shown), for when ambient temperature is lower than preset temperature, control electrically operated valve on each feed flow arm and each returns electrically operated valve action on liquid arm with UNICOM's feed pipe and liquid back pipe and radiator, wherein, preset temperature is determined based on the chilling temperature of cooling fluid; When ambient temperature is higher than preset temperature, control electrically operated valve on each feed flow arm and each returns electrically operated valve action on liquid arm with UNICOM's feed pipe and liquid back pipe and heat exchanger.Here, ambient temperature automatic switchover radiator according to cooler and heat exchanger can be realized by temperature sensing assembly and control assembly, without the need to manpower intervention, improve control efficiency.
Exemplary, the setting direction that the two row racks be made up of rack in Fig. 1 arrange is for being oppositely arranged, actual setting direction can arrange form for other of user's needs, such as, multiple row rack can be adopted to arrange arrange in the same way, rack arrange to arrange to arrange etc. along circle along in-line setting and rack and multiplely arrange form.
Comprise in the concrete application scenarios of radiator and heat exchanger one at the cooler of the present embodiment, after the hot blast that end radiator coil tube 110 cooling machine cabinet 170 is discharged, the cooling fluid heat absorption in it heats up, and according to outdoor temperature condition, different operating mode can be divided to run.Operating scheme is as follows:
1) temperature as outdoor air can meet the temperature of cooling needed for cooling fluid, the cooling fluid then heated up enters in outdoor radiator 141 and is directly cooled by cool ambient air, and cooled cooling fluid is flowed in end radiator by Action of Gravity Field and continues heat absorption intensification; Then forced-convection heat transfer can be carried out by radiator fan outside opening chamber as heat transfer effect need be improved.
2) if outside air temperature can not meet the temperature of cooling needed for cooling fluid, but the air themperature after water-cooled can meet the temperature of cooling needed for cooling fluid, then the water spray system of radiator 141 outside opening chamber, to improve the heat transfer effect of outdoor radiator.
3) if the air themperature after outdoor water-cooled can not meet machine room demand, then the cooling fluid heated up enters fluoro-water-to-water heat exchanger 142 and is cooled by primary side chilled water, and cooled cooling fluid flow to end radiator under gravity and continues the heat absorption that heats up.
, present invention also provides a kind of liquid cooling rack here, comprise above-mentioned end radiator coil tube, should be appreciated that and above-mentionedly describe the end radiator coil tube be also applicable in this rack for end radiator coil tube, do not repeat them here.In some implementations, when a part for feed pipe and/or a part for liquid back pipe are integrated on the framework of rack, rack also comprises a part for this feed pipe and/or a part for liquid back pipe, in like manner, the above-mentioned description for feed pipe and liquid back pipe is also applicable to feed pipe in this rack and liquid back pipe, does not repeat them here.
, present invention also provides a kind of liquid cooling system here, comprise cabinet body and above-mentioned liquid cooling apparatus.Should be appreciated that the above-mentioned description for liquid cooling apparatus is also applicable to the liquid cooling apparatus in this liquid cooling system.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.