CN218788897U - Waste heat utilization system of liquid cooling heat abstractor - Google Patents
Waste heat utilization system of liquid cooling heat abstractor Download PDFInfo
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- CN218788897U CN218788897U CN202222510677.2U CN202222510677U CN218788897U CN 218788897 U CN218788897 U CN 218788897U CN 202222510677 U CN202222510677 U CN 202222510677U CN 218788897 U CN218788897 U CN 218788897U
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Abstract
The application discloses a waste heat utilization system of a liquid cooling heat dissipation device, the waste heat utilization system comprises a liquid cooling heat dissipation plate, a first heat exchange unit and an air conditioner heat exchange unit, the liquid cooling heat dissipation plate is used for dissipating heat for data processing equipment in a liquid cooling mode, the liquid cooling heat dissipation plate is communicated with the first heat exchange unit through a first liquid outlet pipeline and a first liquid return pipeline to form a first loop, then a second inlet and a second outlet of the first heat exchange unit are communicated through a second liquid outlet pipeline and a second liquid return pipeline to form a second loop, and two ports of the air conditioner heat exchange unit are respectively communicated with the second liquid outlet pipeline and the second liquid return pipeline; wherein the first medium circularly flows in the first loop, and the second medium circularly flows in the second loop; therefore, the first heat exchange unit can enable the second medium to absorb the waste heat which needs to be released by the first medium (cooling liquid) through heat exchange, waste of the waste heat is avoided, and the utilization efficiency of energy is improved.
Description
Technical Field
The utility model relates to a liquid cooling heat dissipation technical field especially relates to a liquid cooling heat abstractor's waste heat utilization system.
Background
Along with the improvement of computing power of data processing equipment such as chips, the data processing equipment adopts liquid cooling heat dissipation more and more.
The liquid cooling plate is a common liquid cooling heat dissipation device, the liquid cooling plate is attached to the surface of the data processing equipment, cooling liquid with lower temperature flows in from a liquid inlet of the liquid cooling plate, and after heat generated by the data processing equipment is absorbed, the cooling liquid with higher temperature flows out from a liquid outlet of the liquid cooling plate; then, in the outside of liquid cooling board, the higher cooling liquid of temperature dispels the heat through cooling tower etc. and the lower cooling liquid of temperature flows into the inlet of liquid cooling board again after the heat dissipation, so circulate, realize the liquid cooling heat dissipation to data processing equipment.
It can be found that, in the circulation process of the cooling liquid, after the cooling liquid absorbs the heat generated by the data processing equipment, the heat is directly released through a cooling tower and the like, and no waste heat is utilized, so that the energy waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of at least one aspect of the above technical problems, an embodiment of the present application provides a waste heat utilization system for a liquid cooling heat dissipation device, where the waste heat utilization system exchanges heat of heat absorbed by a cooling liquid (a first medium) to a second medium through a first heat exchange unit, and flows the second medium after absorbing the heat through an air conditioner heat exchange unit, so that the heat can be used for air conditioning heating, thereby effectively utilizing waste heat of the liquid cooling heat dissipation device and avoiding energy waste.
The embodiment of the application provides a waste heat utilization system of liquid cooling heat abstractor, waste heat utilization system includes:
the liquid cooling heat dissipation plate comprises a liquid inlet and a liquid outlet;
the first heat exchange unit comprises a first inlet and a first outlet which are communicated with each other, and a second inlet and a second outlet which are communicated with each other;
the air conditioner heat exchange unit comprises a first port and a second port;
two ends of a first liquid outlet pipeline are respectively communicated with the liquid outlet and the first inlet, two ends of a first liquid return pipeline are respectively communicated with the first outlet and the liquid inlet to form a first loop, and a first medium circularly flows in the first loop;
a first end of a second liquid outlet pipeline is communicated to the second outlet, a first end of a second liquid return pipeline is communicated to the second inlet, a second end of the second liquid outlet pipeline is communicated with a second end of the second liquid return pipeline to form a second loop, and a second medium circularly flows in the second loop;
the first port and the second port are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline through two first shunt pipelines, and the two first shunt pipelines are respectively provided with a first valve.
In one embodiment, the waste heat utilization system further includes:
the injection refrigeration mechanism comprises an evaporation condensation inlet and an evaporation condensation outlet which are communicated with each other, and a refrigerant inlet and a refrigerant outlet which are communicated with each other;
the second heat exchange unit comprises a third inlet and a third outlet which are communicated with each other, and a fourth inlet and a fourth outlet which are communicated with each other;
the third inlet and the third outlet are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline through two second shunt pipelines, and the two second shunt pipelines are provided with second valves;
the evaporation condensation inlet and the evaporation condensation outlet are communicated to the fourth outlet and the fourth inlet respectively, and the refrigerant inlet and the refrigerant outlet are communicated to the first port and the second port respectively.
In an embodiment, the ejector refrigeration mechanism comprises an evaporator comprising the refrigerant inlet and the refrigerant outlet;
the injection refrigeration mechanism further comprises an electric boiler, an injector, a condenser and a water condensing pump which are sequentially connected in series between the fourth outlet and the fourth inlet, wherein an air suction port of the injector is communicated to a gas phase outlet of the evaporator, and a gas phase inlet of the evaporator is communicated to a pipeline between the condenser and the water condensing pump through a throttle valve.
In one embodiment, the waste heat utilization system further includes:
the first circulating pump group is arranged on the first liquid return pipeline and comprises two first circulating pumps connected in parallel; the second circulating pump group is arranged on the second liquid return pipeline and comprises two second circulating pumps connected in parallel.
In one embodiment, the waste heat utilization system further includes:
a first water outlet of the first pressure stabilizing water tank is communicated to the first liquid return pipeline;
a second water outlet of the second pressure stabilizing water tank is communicated to the second liquid return pipeline;
and a water softening device is also arranged between the second pressure stabilizing water tank and the second liquid return pipeline.
In one embodiment, the waste heat utilization system further includes:
the temperature detection device is arranged on the first liquid return pipeline and/or the first liquid outlet pipeline;
wherein the temperature detection device is close to the liquid cooling panel.
In one embodiment, the waste heat utilization system further includes:
the two ends of the first bypass pipeline are respectively communicated to the first liquid return pipeline and the first liquid outlet pipeline, and the first bypass pipeline comprises a first flow regulating valve group;
and two ends of the second bypass pipeline are respectively communicated to the second liquid return pipeline and the second liquid outlet pipeline, and the second bypass pipeline comprises a second flow regulating valve group.
In one embodiment, the waste heat utilization system further includes:
the third heat exchange unit comprises a fifth inlet and a fifth outlet which are communicated with each other, and a sixth inlet and a sixth outlet which are communicated with each other;
the fifth inlet is communicated to the second end of the second liquid outlet pipeline, and the fifth outlet is communicated to the second end of the second liquid return pipeline;
the sixth inlet is communicated to a municipal water supply network through a water supply pipeline, and the sixth outlet is communicated to a domestic water station through a water pipeline.
In one embodiment, a water storage tank is connected in series to the water using pipeline, a third circulating pump group is installed on the water supply pipeline, and the water supply pipeline is further communicated with a third water outlet of a third pressure stabilizing water tank.
In one embodiment, a photovoltaic power generation system supplies power to the waste heat utilization system, wherein the photovoltaic power generation system comprises a photovoltaic module and a distribution box, and the distribution box is electrically connected to electric equipment of the waste heat utilization system through a distribution cable.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the embodiment of the application provides a waste heat utilization system of a liquid cooling heat dissipation device, and the waste heat utilization system comprises a liquid cooling heat dissipation plate, a first heat exchange unit and an air conditioner heat exchange unit.
The liquid cooling heat dissipation plate is used for liquid cooling heat dissipation of the data processing equipment, the liquid cooling heat dissipation plate is communicated with the first heat exchange unit through a first liquid outlet pipeline and a first liquid return pipeline to form a first loop, then a second inlet and a second outlet of the first heat exchange unit are communicated through a second liquid outlet pipeline and a second liquid return pipeline to form a second loop, and two ports of the air conditioner heat exchange unit are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline; wherein the first medium circulates in the first loop and the second medium circulates in the second loop; therefore, the first medium absorbs heat generated by the data processing equipment at the liquid cooling heat dissipation plate, then the first medium transfers the heat to the second medium at the first heat exchange unit through heat exchange, the second medium after absorbing the heat can be shunted to the air conditioner heat exchange unit, and the heat is released to the surrounding external environment at the air conditioner heat exchange unit, so that the heating of the air conditioner is realized.
That is to say, the first heat exchange unit of this embodiment can make the second medium absorb the waste heat that first medium (coolant) need release through the heat exchange, has guaranteed on the one hand that first medium dispels the heat to data processing equipment's circulating liquid cooling, and on the other hand, the second medium after the absorption heat can flow through air conditioner heat exchange unit to realize heating in winter, avoided the waste of waste heat, improved the utilization efficiency of the energy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the waste heat utilization system in an embodiment of the present application.
Fig. 2 is a schematic view of a connection relationship between the second heat exchange unit and the ejector refrigeration mechanism in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of the ejector refrigeration mechanism according to an embodiment of the present application.
Fig. 4 is a schematic connection diagram of the cooling tower in the embodiment of the present application.
Fig. 5 is a schematic structural diagram of the waste heat utilization system in an embodiment of the present application.
Fig. 6 is a schematic structural diagram of the photovoltaic power generation system supplying power to the waste heat utilization system in an embodiment of the present application.
Wherein, the reference numbers:
10-first heat exchange unit, 11-first inlet 12-first outlet, 13-second inlet, 14-second outlet,
20-a second heat exchange unit, 21-a third inlet, 22-a third outlet, 23-a fourth inlet, 24-a fourth outlet,
30-a third heat exchange unit, 31-a fifth inlet, 32-a fifth outlet, 33-a sixth inlet, 34-a sixth outlet,
40-liquid cooling panel, 41-liquid inlet, 42-liquid outlet,
50-air conditioner heat exchange unit, 51-first port, 52-second port,
60-jet refrigeration mechanism, 61-evaporative condensation inlet, 62-evaporative condensation outlet, 63-refrigerant inlet, 64-refrigerant outlet,
601-evaporator, 602-electric boiler, 603-ejector, 604-condenser, 605-condensate pump, 606-throttle valve, 607-suction inlet,
71-a first pumparound group, 72-a second pumparound group, 73-a third pumparound group,
74-a first surge tank, 75-a second surge tank, 76-a third surge tank,
77-temperature detection means for the temperature of the sample,
78-a first bypass line, 79-a second bypass line, 710-a demineralization unit,
80-photovoltaic power generation system, 81-photovoltaic component, 82-distribution box, 83-distribution cable,
91-a first liquid outlet pipeline, 92-a first liquid return pipeline, 93-a second liquid outlet pipeline, 94-a second liquid return pipeline, 95-a first shunt pipeline, 96-a second shunt pipeline,
951-a first valve means for controlling the flow of gas,
961-a second valve means for controlling the flow of gas,
101-water supply pipeline, 102-municipal water supply network, 103-water using pipeline, 104-domestic water using station, 105-water storage tank.
201-cooling tower.
Detailed Description
For better understanding of the above technical solutions, the following will describe in detail exemplary embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments of the present application, and it should be understood that the present application is not limited by the exemplary embodiments described herein.
Fig. 1 is a schematic structural diagram of a waste heat utilization system, please refer to fig. 1, the waste heat utilization system of a liquid cooling heat dissipation device includes a liquid cooling heat sink 40, a first heat exchange unit 10 and an air conditioner heat exchange unit 50; the liquid cooling plate 40 includes a liquid inlet 41 and a liquid outlet 42; the first heat exchange unit 10 comprises a first inlet 11 and a first outlet 12 which are communicated, and a second inlet 13 and a second outlet 14 which are communicated; the air conditioner heat exchange unit 50 comprises a first port 51 and a second port 52; two ends of the first liquid outlet pipeline 91 are respectively communicated with the liquid outlet 42 and the first inlet 11, and two ends of the first liquid return pipeline 92 are respectively communicated with the first outlet 12 and the liquid inlet 41 to form a first loop, and the first loop is used for the first medium to circularly flow; a first end of the second liquid outlet pipeline 93 is communicated to the second outlet 14, a first end of the second liquid return pipeline 94 is communicated to the second inlet 13, and a second end of the second liquid outlet pipeline 93 is communicated with a second end of the second liquid return pipeline 94 to form a second loop, wherein the second loop is used for a second medium to circularly flow; the first port 51 and the second port 52 are respectively communicated to the second liquid outlet pipeline 93 and the second liquid return pipeline 94 through two first shunt pipelines 95, and the two first shunt pipelines 95 are respectively provided with a first valve 951.
As shown in fig. 1, the waste heat utilization system of the present embodiment includes a liquid-cooled heat sink, a first heat exchange unit, and an air-conditioning heat exchange unit.
The liquid cooling heat dissipation plate is used for liquid cooling heat dissipation of the data processing equipment, the surface of the liquid cooling heat dissipation plate can be coated with heat conduction materials such as heat dissipation silicone grease, heat conduction glue and the like and then is attached and installed on the data processing equipment (not shown in figure 1), and the data processing equipment comprises heating electronic elements such as chips and the like. A first loop is constructed between the liquid cooling heat dissipation plate and the first heat exchange unit, and a first medium circularly flows in the first loop; then, a second loop is constructed between the second outlet and the second inlet of the first heat exchange unit, and a second medium circularly flows in the second loop; therefore, it can be understood that the first medium absorbs heat generated by the data processing equipment at the liquid cooling panel, and then the first medium with higher temperature exchanges heat with the second medium at the first heat exchange unit after absorbing the heat; thereby, the heat generated by the data processing device is transferred to the second medium.
Wherein, two ports of this embodiment air conditioner heat transfer unit communicate respectively to the second return liquid pipeline and the second of second return circuit and go out the liquid pipeline, that is to say, the second medium after the absorption heat can partly shunt to air conditioner heat transfer unit, this air conditioner heat transfer unit includes air conditioner and fan for example, thereby, the higher second medium of temperature can take place the heat exchange with the external environment in air conditioner heat transfer unit department after the absorption heat, air conditioner heat transfer unit installs for example indoor, can realize indoor heating in winter (i.e. air conditioner heat transfer unit passes through the heat of second medium absorption first medium, the indoor air of rivers through the air conditioner heats, the air that is heated blows to indoor via the fan again).
Generally speaking, the heat exchange between the first medium and the second medium is realized through the first heat exchange unit in the embodiment, so that the second medium after absorbing heat can be used for air conditioning and heating in winter, and the waste of heat is avoided.
In addition, in consideration of the heat productivity of the data processing equipment, the temperature of the first medium can reach about 60 ℃ after the first medium absorbs the heat produced by the data processing equipment, then the temperature of the second medium after the second medium and the first medium are subjected to heat exchange can reach about 55 ℃, and at the moment, the second medium after absorbing the heat can meet the requirement that the temperature of the inlet and outlet water of the heat exchange unit of the air conditioner needs about 50 ℃.
In this embodiment, the first shunting pipeline at both ends of the air-conditioning heat exchange unit is further provided with a first valve 951, and the first valve can adjust the flow of the second medium shunted to the first shunting pipeline, so as to realize adjustment as required, or the first valve can be opened in winter and closed in summer.
In addition, referring to fig. 4, when the amount of heat generated by the data processing device is large, the second end of the second liquid outlet pipeline 93 and the second end of the second liquid return pipeline 94 may be communicated through the cooling tower 201 in the present embodiment, and the cooling tower 201 may release part of the excessive heat.
The embodiment of the application provides a waste heat utilization system of a liquid cooling heat dissipation device, and the waste heat utilization system comprises a liquid cooling heat dissipation plate, a first heat exchange unit and an air conditioner heat exchange unit.
The liquid cooling heat dissipation plate is used for liquid cooling heat dissipation of the data processing equipment, the liquid cooling heat dissipation plate is communicated with the first heat exchange unit through a first liquid outlet pipeline and a first liquid return pipeline to form a first loop, then a second inlet and a second outlet of the first heat exchange unit are communicated through a second liquid outlet pipeline and a second liquid return pipeline to form a second loop, and two ports of the air conditioner heat exchange unit are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline; wherein the first medium circularly flows in the first loop, and the second medium circularly flows in the second loop; therefore, the first medium absorbs heat generated by the data processing equipment at the liquid cooling heat dissipation plate, then the first medium transfers the heat to the second medium at the first heat exchange unit through heat exchange, the second medium after absorbing the heat can be shunted to the air conditioner heat exchange unit, and the heat is released to the surrounding external environment at the air conditioner heat exchange unit, so that the heating of the air conditioner is realized.
That is to say, the first heat exchange unit of this embodiment can make the second medium absorb the waste heat that first medium (coolant) need release through the heat exchange, has guaranteed on the one hand that first medium dispels the heat to data processing equipment's circulating liquid cooling, and on the other hand, the second medium after the absorption heat can flow through air conditioner heat exchange unit to realize heating in winter, avoided the waste of waste heat, improved the utilization efficiency of the energy.
The above embodiment realizes that the waste heat of the liquid cooling heat dissipation plate is used for heating of the air conditioner in winter, however, in consideration of that the heating demand of the air conditioner is reduced or disappears in summer, the waste heat of the liquid cooling heat dissipation plate can also be used for cooling of the air conditioner in summer.
In one possible embodiment, the waste heat utilization system further comprises an injection refrigeration mechanism 60 and a second heat exchange unit 20, wherein the injection refrigeration mechanism 60 comprises an evaporation condensation inlet 61 and an evaporation condensation outlet 62 which are communicated, and a refrigerant inlet 63 and a refrigerant outlet 64 which are communicated; the second heat exchange unit 20 comprises a third inlet 21 and a third outlet 22 which are communicated, and a fourth inlet 23 and a fourth outlet 24 which are communicated; the third inlet 21 and the third outlet 22 are respectively communicated to the second liquid outlet pipeline 93 and the second liquid return pipeline 94 through two second shunt pipelines 96, and the two second shunt pipelines 96 are both provided with a second valve 961; the evaporation condensation inlet 61 and the evaporation condensation outlet 62 are communicated to the fourth outlet 24 and the fourth inlet 23, respectively, and the refrigerant inlet 63 and the refrigerant outlet 64 are communicated to the first port 51 and the second port 52, respectively.
Referring to fig. 2, the waste heat utilization system of the present embodiment is additionally provided with an injection refrigeration mechanism and a second heat exchange unit, where it should be understood that the injection refrigeration mechanism includes an evaporation condensation inlet and an evaporation condensation outlet which are communicated with each other, and a refrigerant inlet and a refrigerant outlet which are communicated with each other, the evaporation condensation inlet and the evaporation condensation outlet are respectively communicated with a fourth outlet and a fourth inlet of the second heat exchange unit to form an evaporation condensation cycle, and then the refrigerant inlet and the refrigerant outlet are respectively communicated with a first port and a second port of the air conditioner heat exchange unit to form a refrigerant cycle; a third inlet and a third outlet of the second heat exchange unit are respectively communicated to a second liquid outlet pipeline and a second liquid return pipeline through two second shunt pipelines; therefore, the second medium shunted to the second shunt pipeline can transfer heat to the evaporation and condensation circulation through the second heat exchange unit, and the energy consumption of the spraying refrigeration mechanism in summer is reduced.
In addition, the second shunt pipeline is provided with a second valve, the second valve can adjust the flow of the second medium shunted to the second shunt pipeline, and adjustment according to requirements is achieved, or the second valve can be closed in winter and opened in summer.
In a specific embodiment, the ejector refrigeration mechanism 60 includes an evaporator 601, and the evaporator 601 includes a refrigerant inlet and a refrigerant outlet; the injection refrigeration mechanism 60 further comprises an electric boiler 602, an ejector 603, a condenser 604 and a water condensing pump 605 which are sequentially connected in series between the fourth outlet 24 and the fourth inlet 23, wherein a suction port 607 of the ejector 603 is communicated to a gas phase outlet of the evaporator 601, and a gas phase inlet of the evaporator 601 is communicated to a pipeline between the condenser 604 and the water condensing pump 605 through a throttle valve 606.
Referring to fig. 3, fig. 3 shows a specific structure of the above-mentioned injection refrigeration mechanism, the evaporator includes a refrigerant inlet and a refrigerant outlet, the refrigerant inlet and the refrigerant outlet are respectively communicated to the first port and the second port of the air conditioner heat exchange unit to form a refrigerant cycle;
then, an electric boiler 602, an ejector 603, a condenser 604 and a condensate pump 605 are sequentially connected in series between the fourth outlet and the fourth inlet of the second heat exchange unit; and the air suction port of the ejector is communicated to the gas phase outlet of the evaporator, and the gas phase inlet of the evaporator is communicated to a pipeline between the condenser and the condensate pump through a throttle valve 606, so that an evaporation and condensation cycle is formed.
It can be understood that the above refrigeration process is:
the liquid evaporative condensing medium flowing out of the condensate pump 605 absorbs heat from the second medium through heat exchange at the second heat exchange unit, or preheats the liquid evaporative condensing medium;
the preheated liquid evaporative condensing medium is heated into a gaseous evaporative condensing medium by the electric boiler 602, and at the moment, the heating quantity of the electric boiler can be reduced due to the preheating of the second heat exchange unit;
the gaseous evaporative condensing medium coming out of the electric boiler is sprayed to the condenser 604 by the ejector 603;
the gaseous evaporative condensing medium condenses to a liquid state in the condenser 604 and releases heat;
part of the liquid evaporative condensing medium flows into the second heat exchange unit through a condensate pump 605, and the circulation is carried out;
part of the liquid evaporative condensing medium is changed into a low-temperature and low-pressure gas state through a throttle valve 606 and enters the evaporator 601;
the gaseous evaporation and condensation medium absorbs the heat of the refrigerant at the evaporator 601 and then enters the ejector 603 from the suction port, and the cycle is repeated;
the refrigerant absorbing heat flows to the air conditioner heat exchange unit again, thereby realizing air conditioner refrigeration.
It can be seen that, in this embodiment, the second heat exchange unit is combined with the injection refrigeration mechanism, so that the heat of the second medium can be transferred to the evaporation condensation cycle of the injection refrigeration mechanism, specifically, the liquid evaporation condensing agent is preheated by the second medium with higher temperature, and the heating energy consumption of the electric boiler 602 is reduced.
In a possible embodiment, please refer to fig. 5, the waste heat utilization system further includes a first recycle pump group 71 and a second recycle pump group 72, the first recycle pump group 71 is installed in the first loop and is used for providing a circulating power for the first medium; a second recycle pump group 72 is installed in the second circuit for providing a circulating power to the second medium.
Specifically, the first circulation pump group 71 is installed on the first return line 92, and the second circulation pump group 72 is installed on the second return line 94.
In addition, referring to fig. 5 in detail, the first circulation pump group 71 includes two first circulation pumps connected in parallel, and the second circulation pump group 72 includes two second circulation pumps connected in parallel; both circulation pump groups comprise two circulation pumps connected in parallel, so that when one of the circulation pumps needs to be overhauled, the other circulation pump can be used.
Of course, the two circulating pump groups can also comprise components such as a pressure gauge, a water valve and the like.
In a possible embodiment, with continued reference to fig. 5, the waste heat utilization system further includes a first surge tank 74 and a second surge tank 75, a first water outlet of the first surge tank 74 is connected to the first liquid return pipeline 92; a second water outlet of the second surge tank 75 is communicated to the second return pipeline 94; a water softening device 710 may be further disposed between the second surge tank 75 and the second liquid return pipeline 94.
The embodiment is provided with the pressure stabilizing water tank in the two loops, the pressure stabilizing water tank can ensure the stability of water pressure in the pipelines of the two loops, and in addition, the pressure stabilizing water tank can be supplemented when the circulating liquid in the loops is reduced.
In addition, the water softening device can also reduce the scale in the pipeline of the second loop and improve the heat exchange efficiency.
In a possible embodiment, with continuing reference to fig. 5, the waste heat utilization system further includes a temperature detection device 77, and the temperature detection device 77 is installed on the first liquid return pipeline 92 and/or the first liquid outlet pipeline 91; the temperature detection device 77 is close to the liquid-cooled heat sink 40.
That is, in order to accurately know the inlet temperature and/or the outlet temperature of the liquid-cooled heat sink, a temperature detection device, such as a thermometer (or a temperature sensor) may be disposed near the liquid-cooled heat sink, so that the flow rate of the first medium may be adjusted according to the temperature of the thermometer.
In a possible embodiment, with continued reference to fig. 5, the waste heat utilization system further includes a first bypass line 78 and a second bypass line 79, two ends of the first bypass line 78 are respectively communicated to a first liquid return line 92 and a first liquid outlet line 91, and the first bypass line 78 includes a first flow rate adjusting valve set; two ends of the second bypass line 79 are respectively communicated to the second liquid return line 94 and the second liquid outlet line 93, and the second bypass line 79 comprises a second flow regulating valve group.
In this embodiment, for example, for the first loop, the flow rate of the first medium may be specifically adjusted by the first bypass line; specifically, two ends of the first bypass pipeline are respectively communicated to the first liquid return pipeline and the first liquid outlet pipeline, and then flow regulation is realized through the first flow regulating valve group.
Specifically, the first flow regulating valve set may include three valves connected in series, wherein the middle valve may be a solenoid valve, see fig. 6.
More specifically, the first bypass circuit comprises two bypass branches connected in parallel, so that the first bypass circuit can be used for maintenance. The number and distribution of the valves in each bypass branch can be flexibly arranged according to actual requirements.
It should be understood that the second bypass circuit is configured similarly to the first bypass circuit for the second circuit, and will not be described again.
On the basis of the above embodiments, the waste heat utilization system can further utilize the waste heat of the liquid cooling heat dissipation plate to further prepare domestic hot water, which is described in detail as follows.
In a possible embodiment, referring back to fig. 3, the waste heat utilization system further includes a third heat exchange unit 30, where the third heat exchange unit 30 includes a fifth inlet 31 and a fifth outlet 32 which are communicated, and a sixth inlet 33 and a sixth outlet 34 which are communicated; the fifth inlet 31 is communicated to the second end of the second liquid outlet pipeline 93, and the fifth outlet 32 is communicated to the second end of the second liquid return pipeline 94; the sixth inlet 33 is connected to a municipal water supply network 102 via a water supply line 101 and the sixth outlet 34 is connected to a domestic water station 104 via a water use line 103.
That is, in this embodiment, the second liquid return pipeline and the second liquid outlet pipeline are connected to the third heat exchange unit, and the second loop is constructed between the third heat exchange unit and the second heat exchange unit; therefore, the second medium after absorbing heat releases heat at the third heat exchange unit to heat municipal water supply and provide domestic hot water. Or the heat released by the second medium meets the indoor heating requirement, if the heat is in the surplus, the municipal water supply is heated, and the heat is not completely used for heating or providing domestic water.
It can be understood that on the basis of adding the third heat exchange unit, at least part of the second medium is used for flowing through the air conditioner heat exchange unit (winter) or the second heat exchange unit (summer) so as to utilize the air conditioner heat exchange unit and the second heat exchange unit to provide heat for heating or refrigeration of the air conditioner, and at least part of the second medium is used for flowing through the third heat exchange unit so as to heat municipal water supply.
Specifically, a water storage tank 105 is connected in series on the water using pipeline 103, and the water storage tank 105 can store part of the heated domestic water; referring specifically to fig. 6, a third circulating pump group 73 is installed in the water supply line, which is also communicated with a third water outlet of a third surge tank 76.
On the basis of the above embodiments, the waste heat utilization system can be powered by photovoltaic power.
In one possible embodiment, please refer to fig. 6, a photovoltaic power generation system 80 supplies power to a waste heat utilization system, wherein the photovoltaic power generation system 80 includes a photovoltaic module 81 and a distribution box 82, and the distribution box 82 is electrically connected to the photovoltaic module 81 through a distribution cable 83; the distribution box 82 is electrically connected to the electric equipment of the waste heat utilization system through a distribution cable 83, wherein the electric equipment includes, for example, data processing equipment, a first circulating pump group 71, a second circulating pump group 72, a softened water device 710, an air-conditioning heat exchange unit 50, a third circulating pump group 73, a condensate pump 605, an electric boiler 602, and the like.
It is convenient to understand that the first medium, the second medium, the evaporation and condensation medium, the refrigerant, etc. may be water, or may be determined according to the requirement, and the application is not limited thereto.
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.
The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably herein. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of exemplary aspects and embodiments have been discussed above, those of skill in the art will recognize that certain variations, modifications, alterations, additions and sub-combinations thereof are encompassed within the scope of the invention.
Claims (10)
1. A waste heat utilization system of a liquid cooling heat sink, the waste heat utilization system comprising:
the liquid cooling heat dissipation plate comprises a liquid inlet and a liquid outlet;
the first heat exchange unit comprises a first inlet and a first outlet which are communicated with each other, and a second inlet and a second outlet which are communicated with each other;
the air conditioner heat exchange unit comprises a first port and a second port;
two ends of the first liquid outlet pipeline are respectively communicated with the liquid outlet and the first inlet, two ends of the first liquid return pipeline are respectively communicated with the first outlet and the liquid inlet to form a first loop, and a first medium circularly flows in the first loop;
the first end of the second liquid outlet pipeline is communicated to the second outlet, the first end of the second liquid return pipeline is communicated to the second inlet, the second end of the second liquid outlet pipeline is communicated with the second end of the second liquid return pipeline to form a second loop, and a second medium is supplied to the second loop for circulating flow;
the first port and the second port are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline through two first shunt pipelines, and the two first shunt pipelines are respectively provided with a first valve.
2. The waste heat utilization system of claim 1, further comprising:
the injection refrigeration mechanism comprises an evaporation condensation inlet and an evaporation condensation outlet which are communicated with each other, and a refrigerant inlet and a refrigerant outlet which are communicated with each other;
the second heat exchange unit comprises a third inlet and a third outlet which are communicated with each other, and a fourth inlet and a fourth outlet which are communicated with each other;
the third inlet and the third outlet are respectively communicated to the second liquid outlet pipeline and the second liquid return pipeline through two second shunt pipelines, and the two second shunt pipelines are provided with second valves;
the evaporation condensation inlet and the evaporation condensation outlet are communicated to the fourth outlet and the fourth inlet respectively, and the refrigerant inlet and the refrigerant outlet are communicated to the first port and the second port respectively.
3. The waste heat utilization system according to claim 2,
the ejector refrigeration mechanism comprises an evaporator comprising the refrigerant inlet and the refrigerant outlet;
the injection refrigeration mechanism further comprises an electric boiler, an injector, a condenser and a water condensing pump which are sequentially connected in series between the fourth outlet and the fourth inlet, wherein an air suction port of the injector is communicated to a gas phase outlet of the evaporator, and a gas phase inlet of the evaporator is communicated to a pipeline between the condenser and the water condensing pump through a throttle valve.
4. The waste heat utilization system of claim 1, further comprising a first circulation pump group and a second circulation pump group, wherein the first circulation pump group is mounted on the first liquid return pipeline and comprises two first circulation pumps connected in parallel; the second circulating pump group is arranged on the second liquid return pipeline and comprises two second circulating pumps which are connected in parallel.
5. The waste heat utilization system of claim 1, further comprising:
a first water outlet of the first pressure stabilizing water tank is communicated to the first liquid return pipeline;
a second water outlet of the second pressure stabilizing water tank is communicated to the second liquid return pipeline;
and a water softening device is also arranged between the second pressure stabilizing water tank and the second liquid return pipeline.
6. The waste heat utilization system of claim 1, further comprising:
the temperature detection device is arranged on the first liquid return pipeline and/or the first liquid outlet pipeline;
wherein the temperature detection device is close to the liquid cooling panel.
7. The waste heat utilization system of claim 1, further comprising:
the two ends of the first bypass pipeline are respectively communicated to the first liquid return pipeline and the first liquid outlet pipeline, and the first bypass pipeline comprises a first flow regulating valve group;
and two ends of the second bypass pipeline are respectively communicated to the second liquid return pipeline and the second liquid outlet pipeline, and the second bypass pipeline comprises a second flow regulating valve group.
8. The waste heat utilization system according to any one of claims 1 to 7, further comprising:
the third heat exchange unit comprises a fifth inlet and a fifth outlet which are communicated with each other, and a sixth inlet and a sixth outlet which are communicated with each other;
the fifth inlet is communicated to the second end of the second liquid outlet pipeline, and the fifth outlet is communicated to the second end of the second liquid return pipeline;
the sixth inlet is communicated to a municipal water supply network through a water supply pipeline, and the sixth outlet is communicated to a domestic water station through a water pipeline.
9. The waste heat utilization system of claim 8, wherein a water storage tank is connected in series to the water utilization pipeline, a third circulation pump group is installed in the water supply pipeline, and the water supply pipeline is further communicated with a third water outlet of a third pressure stabilizing water tank.
10. The waste heat utilization system of any one of claims 1-7, wherein a photovoltaic power generation system supplies power to the waste heat utilization system, wherein the photovoltaic power generation system comprises a photovoltaic module and a distribution box, and the distribution box is electrically connected to the electric equipment of the waste heat utilization system through a distribution cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510677.2U CN218788897U (en) | 2022-09-21 | 2022-09-21 | Waste heat utilization system of liquid cooling heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510677.2U CN218788897U (en) | 2022-09-21 | 2022-09-21 | Waste heat utilization system of liquid cooling heat abstractor |
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| Publication Number | Publication Date |
|---|---|
| CN218788897U true CN218788897U (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510677.2U Active CN218788897U (en) | 2022-09-21 | 2022-09-21 | Waste heat utilization system of liquid cooling heat abstractor |
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| Country | Link |
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| CN (1) | CN218788897U (en) |
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