CN116315303A - Temperature control system of electrical equipment - Google Patents
Temperature control system of electrical equipment Download PDFInfo
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- CN116315303A CN116315303A CN202310370931.XA CN202310370931A CN116315303A CN 116315303 A CN116315303 A CN 116315303A CN 202310370931 A CN202310370931 A CN 202310370931A CN 116315303 A CN116315303 A CN 116315303A
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- 238000001816 cooling Methods 0.000 claims abstract description 85
- 238000009825 accumulation Methods 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000005057 refrigeration Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 41
- 238000000429 assembly Methods 0.000 claims description 41
- 238000003860 storage Methods 0.000 claims description 35
- 238000001802 infusion Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 15
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a temperature control system of electrical equipment, which comprises a liquid cooling heat exchange assembly and a temperature control unit, wherein the liquid cooling heat exchange assembly is loaded in a case of the electrical equipment and is used for radiating the electrical assembly in the case; the temperature control unit comprises a refrigerating device and a cold accumulation device, the refrigerating device is used for generating cold energy, the cold accumulation device is used for storing the cold energy, and the cold accumulation device and the liquid cooling heat exchange assembly exchange heat in a circulating way through a first circulating pipeline. According to the temperature control system of the electrical equipment, due to the fact that the cold accumulation device is arranged, the temperature control unit does not need to continuously supply power, cold produced by power supply can be stored in the cold accumulation device in advance, the cold accumulation device continuously conveys cold to the liquid cooling heat exchange assembly, so that the purpose that the internal devices of the electrical equipment are continuously subjected to heat dissipation and cooling during the operation period of the electrical equipment is achieved, the power utilization time of the refrigeration device can be selected to charge the cold accumulation device with power during peak-valley periods, the cold accumulation device is used for cooling during the peak periods of power utilization, and then the power utilization cost can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of temperature control, in particular to a temperature control system of electrical equipment.
Background
The existing liquid cooling heat dissipation technology of electrical equipment such as energy storage batteries is basically in the form of a modularized and pre-installed outdoor cabinet. With the recent rapid development of the energy storage electrical equipment in the market, the capacity of single projects is larger and larger, competition is becoming stronger, the control requirements on investment cost and operation cost are also becoming stricter, the current energy storage electrical equipment has the common problem that the power supply load is larger, and the temperature control system of the energy storage electrical equipment also needs continuous work when the energy storage electrical equipment operates, so that the corresponding used transformer distribution capacity and the cost of distribution facilities are higher, and particularly during the period of peak power consumption, the electricity price is high, and the operation cost is higher. In addition, other electrical devices with temperature control systems besides energy storage electrical devices have similar problems.
In summary, how to solve the problems of large power supply load and high operation cost of the power equipment with the temperature control system has become a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a temperature control system for an electrical device, so as to solve the problems of large power supply load and high operation cost of the electrical device with the temperature control system.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a temperature control system for an electrical device, comprising:
the liquid cooling heat exchange assembly is loaded in a case of the electrical equipment and used for radiating the electrical assembly in the case;
the temperature control unit comprises a refrigerating device and a cold accumulation device, wherein the refrigerating device is used for generating cold energy, the cold accumulation device is used for storing the cold energy, and the cold accumulation device and the liquid cooling heat exchange component exchange heat in a circulating way through a first circulating pipeline.
Optionally, the refrigeration device comprises a refrigeration unit, a first heat exchanger and a second circulation pipeline, wherein the first heat exchanger is arranged on the evaporation side of the refrigeration unit, and the first heat exchanger exchanges heat with the cold accumulation device in a circulation way through the second circulation pipeline.
Optionally, when the cold accumulation device is a cold accumulation water tank, the first heat exchanger and the cold accumulation water tank are both located on the second circulation pipeline and are arranged in series.
Optionally, the cold accumulation device is a phase change cold accumulation box, a second heat exchanger and a third heat exchanger are arranged in the phase change cold accumulation box, the second heat exchanger and the third heat exchanger are all arranged in a heat exchange mode with phase change cold accumulation materials in the phase change cold accumulation box, the first heat exchanger and the second heat exchanger are all located on the second circulation pipeline and are arranged in series, and the third heat exchanger and the liquid cooling heat exchanger are all located on the first circulation pipeline and are arranged in series.
Optionally, at least one first circulating pump assembly is disposed on the second circulating pipeline, and when the number of the first circulating pump assemblies is plural, plural first circulating pump assemblies are disposed in parallel on the second circulating pipeline.
Optionally, the system further comprises a heat recovery device, wherein the heat recovery device comprises a fourth heat exchanger and a heat recovery pipeline, and the fourth heat exchanger is arranged on the condensation side of the refrigerating unit and is used for absorbing heat energy of the condensation side; the heat recovery pipeline is used for conveying the heat energy absorbed by the fourth heat exchanger to a place where the heat energy is required.
Optionally, the refrigerating device further comprises a liquid cooling heat exchanger unit, the liquid cooling heat exchanger unit comprises a cooling tower, a fifth heat exchanger and a third circulating pipeline, the fifth heat exchanger is arranged on the condensation side of the refrigerating unit, and the fifth heat exchanger exchanges heat with the cooling tower in a circulating way through the third circulating pipeline.
Optionally, at least one second circulating pump assembly is disposed on the third circulating pipeline, and when the number of the second circulating pump assemblies is plural, plural second circulating pump assemblies are disposed in parallel on the third circulating pipeline.
Optionally, the refrigeration device further comprises a sixth heat exchanger, the sixth heat exchanger comprising a first heat exchange flow channel and a second heat exchange flow channel in a heat exchange arrangement;
the first heat exchange flow channel is arranged on the third circulating pipeline and is arranged in parallel with the fifth heat exchanger; the second heat exchange flow passage is arranged on the second circulating pipeline and is arranged in parallel with the first heat exchanger.
Optionally, the refrigeration device further comprises an air cooling heat exchanger unit, and the air cooling heat exchanger unit comprises a seventh heat exchanger and an air cooling assembly;
the seventh heat exchanger is arranged on the second circulating pipeline and is arranged in parallel with the first heat exchanger; the air cooling assembly is used for carrying out air cooling heat dissipation on the seventh heat exchanger.
Optionally, the refrigerating device includes the refrigerating unit and set up in the first heat exchanger of the evaporation side of refrigerating unit, cold-storage device is cold-storage water tank, first heat exchanger cold-storage water tank with liquid cooling heat exchange assembly all set up in first circulation pipeline and be the series arrangement.
Optionally, the cold accumulation device is configured to provide cold energy for a plurality of the chassis, and the liquid cooling heat exchange components are arranged in a one-to-one correspondence with the chassis.
Optionally, the number of the first circulation pipelines is one, and each liquid cooling heat exchange assembly is arranged on the first circulation pipeline and is arranged in parallel.
Optionally, at least one third circulating pump assembly is disposed on the first circulating pipeline, and when the number of the third circulating pump assemblies is plural, plural third circulating pump assemblies are arranged in parallel on the first circulating pipeline.
Optionally, the number of the first circulation pipelines is a plurality of and the first circulation pipelines are arranged in one-to-one correspondence with the liquid cooling heat exchange assemblies, and each liquid cooling heat exchange assembly circularly exchanges heat with the cold accumulation device through the corresponding first circulation pipeline.
Optionally, the first circulation pipeline includes a transfusion pipeline for conveying the cooling liquid cooled by the cold storage device to the liquid cooling heat exchange assembly and a return pipeline for returning the cooling liquid cooled by the liquid cooling heat exchange assembly to the cold storage device, and a fourth circulation pump assembly is arranged on the transfusion pipeline or the collecting pipeline.
Optionally, the fourth circulating pump assembly is arranged on the infusion pipeline, at least part of two adjacent infusion pipelines of the first circulating pipelines are connected through a communication pipeline, a first opening and closing valve is arranged on the communication pipeline, and connection nodes of the communication pipeline on the infusion pipeline are all located at the downstream of the fourth circulating pump assembly.
Optionally, the fourth circulation pump assembly comprises a circulation pump, a check valve and a second on-off valve arranged in series on the infusion line.
Optionally, the fourth circulation pump assembly further comprises a filter disposed on the infusion line upstream of the circulation pump.
Optionally, the temperature control unit is arranged outside the case.
Compared with the background technology, the temperature control system of the electrical equipment comprises the liquid cooling heat exchange component and the temperature control unit, wherein the liquid cooling heat exchange component is arranged in a case of the electrical equipment and used for radiating the electrical component in the case; the temperature control unit comprises a refrigerating device and a cold accumulation device, the refrigerating device is used for generating cold energy, the cold accumulation device is used for storing the cold energy, and the cold accumulation device and the liquid cooling heat exchange assembly exchange heat in a circulating way through a first circulating pipeline. According to the temperature control system of the electrical equipment, in the practical application process, the temperature control unit comprises the refrigerating device and the cold accumulation device, the refrigerating device is used for generating cold energy through consuming electric energy, the cold accumulation device is used for storing the cold energy generated by the refrigerating device, the stored cold energy of the cold accumulation device is subjected to circulating heat exchange through the first circulating pipeline and the liquid cooling heat exchange assembly, so that the cold energy stored by the cold accumulation device can be transferred to the liquid cooling heat exchange assembly, then the liquid cooling heat exchange assembly can radiate heat of the electrical assembly in the case, due to the existence of the cold accumulation device, the temperature control unit does not need continuous power supply work, the cold energy generated by power supply can be stored in the cold accumulation device in advance, the cold energy is continuously conveyed to the liquid cooling heat exchange assembly by the cold accumulation device, so that the internal devices of the electrical equipment are continuously radiated and cooled during the operation period of the electrical equipment is achieved, the electricity consumption period of the refrigerating device can be selected, the electricity consumption period of the electricity consumption period is reduced by the cold accumulation device, the electricity consumption period of the electricity consumption period is reduced, the electricity consumption cost is effectively reduced, and the electricity consumption is reduced, and the electricity consumption cost is simultaneously, the power consumption of the whole electrical equipment is reduced, and the cost is beneficial to saving the cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a third structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a fourth structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a fifth structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a sixth structural arrangement of a temperature control system for an electrical device according to an embodiment of the present invention.
Wherein, in fig. 1-6:
a liquid cooling heat exchange assembly 1;
the temperature control unit 2, the refrigerating device 21, the refrigerating unit 211, the second circulation pipeline 212, the cooling tower 213, the third circulation pipeline 214, the second circulation pump assembly 215, the sixth heat exchanger 216, the first heat exchange flow passage 2161, the second heat exchange flow passage 2162, the air cooling heat exchanger 217, the seventh heat exchanger 2171, the air cooling assembly 2172, the first three-way valve 218, the second three-way valve 219, the cold storage device 22 and the liquid level meter 221;
the first circulation line 3, the fourth circulation pump assembly 30, the circulation pump 301, the water stop valve 302, the second opening/closing valve 303, the filter 304, the infusion line 31, the confluence line 32, the communication line 33, the first opening/closing valve 331;
a first circulation pump assembly 4;
a heat recovery line 5;
a third circulation pump assembly 6.
Detailed Description
The core of the invention is to provide a temperature control system of electrical equipment so as to solve the problems of low energy efficiency and inconvenient maintenance of the electrical equipment with the temperature control system.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the invention specifically provides a temperature control system of an electrical device, which comprises a liquid cooling heat exchange component 1 and a temperature control unit 2, wherein the liquid cooling heat exchange component 1 is loaded in a chassis of the electrical device and is used for radiating heat of the electrical component in the chassis, the specific structural form of the liquid cooling heat exchange component 1 can be a plate type heat exchanger such as a liquid cooling plate or a coil type heat exchanger, and the like, in the practical application process, the corresponding heat exchanger form can be selected and configured according to the actual requirement, so that the temperature control system is not limited more specifically, and the liquid cooling heat exchange component 1 and the electrical component in the chassis can perform contact heat exchange or non-contact heat exchange, so long as the heat radiation of the electrical component can be realized.
In addition, the temperature control unit 2 may specifically include a refrigeration device 21 and a cold storage device 22, where the refrigeration device 21 is used to generate cold, specifically, the refrigeration device 21 is powered on to generate cold and transmit the cold to the cold storage device 22, the cold storage device 22 is used to store the cold, and the cold storage device 22 and the liquid cooling heat exchange assembly 1 implement cyclic heat exchange through the first circulation pipeline 3.
In the temperature control system of the electrical equipment, in the practical application process, as the temperature control unit 2 comprises the refrigerating device 21 and the cold accumulation device 22, the refrigerating device 21 is used for generating cold energy by consuming electric energy, the cold accumulation device 22 is used for storing the cold energy generated by the refrigerating device 21, the stored cold energy of the cold accumulation device 22 is circularly exchanged with the liquid cooling heat exchange assembly 1 through the first circulating pipeline 3, so that the cold energy stored by the cold accumulation device 22 can be transferred to the liquid cooling heat exchange assembly 1, then the liquid cooling heat exchange assembly 1 can radiate heat of the electrical components in a case, the temperature control unit 2 does not need to continuously supply power to work, the cold energy generated by power supply can be stored in the cold accumulation device 22 in advance, the cold energy is continuously conveyed to the liquid cooling heat exchange assembly 1 by the cold accumulation device 22, thereby the cooling of internal devices is continuously carried out during the operation of the electrical equipment, the electricity utilization time of the refrigerating device 21 can be selected, the electricity consumption during peak-valley periods is used for cooling the cold charge of the device 22, the electricity consumption peak periods are then cooled through the cold accumulation device 22, the electricity consumption time is effectively reduced, and the electricity consumption cost is reduced, the power consumption load of the whole electrical equipment is reduced, the power consumption cost is reduced, and the investment and the power distribution facility cost is saved.
In some embodiments, referring to fig. 1-5, the refrigeration device 21 may specifically include a refrigeration unit 211, a first heat exchanger disposed on an evaporation side of the refrigeration unit 211, and a second circulation line 212, where the first heat exchanger is in circulation heat exchange with the cold storage device 22 through the second circulation line 212. By operating the refrigeration unit 211, the evaporation side thereof takes away heat at the first heat exchanger due to evaporation and heat absorption, that is, supplies cold energy to the first heat exchanger, and the first heat exchanger circularly exchanges heat with the cold storage device 22 through the second circulation pipeline 212, so that the cold energy can be transferred into the cold storage device 22, and the process of cooling the cold storage device 22 by the refrigeration device 21 is completed. By designing the refrigerating device 21 into such a structural form, the arrangement position limitation of the refrigerating device 21 and the cold accumulation device 22 can be greatly reduced, the arrangement of the two can be selected according to the requirement, and only the arrangement mode of the second circulation pipeline 212 between the two needs to be changed.
It should be noted that, the cold accumulation device 22 may specifically take a structural form of a cold accumulation water tank, for example, the cold accumulation medium may be water; the phase-change cold storage box can also adopt a structural form, for example, inorganic salt, paraffin and other phase-change cold storage materials can be loaded in the cold storage box. When the cold accumulation device 22 is a cold accumulation water tank, the first heat exchanger and the cold accumulation water tank are both positioned on the second circulation pipeline 3 and are arranged in series, and at the moment, the cold energy absorbed by the first heat exchanger from the refrigerating unit 211 can be conveyed into the cold accumulation water tank through medium water flowing in the second circulation pipeline 3 to finish the cold accumulation process; when the cold accumulation device 22 is a phase change cold accumulation box, a second heat exchanger and a third heat exchanger can be specifically arranged in the phase change cold accumulation box, the second heat exchanger and the third heat exchanger are all in heat exchange arrangement with the phase change cold accumulation material in the phase change cold accumulation box, the first heat exchanger and the second heat exchanger are all located on the second circulation pipeline 212 and are in series arrangement, so that cold energy transferred to the first heat exchanger by the refrigerating device 21 is transferred to the second heat exchanger through the second circulation pipeline 212, the second heat exchanger stores the cold energy into the phase change cold accumulation material, and the phase change cold accumulation material realizes energy storage through phase change.
When the medium contained in the cold storage device 22 is liquid, the cold storage water tank or the phase change cold storage tank may be provided with a corresponding structure such as a liquid level gauge 221, a liquid filling port, a liquid discharge pipe, and a liquid discharge valve.
In some specific embodiments, at least one first circulation pump assembly 4 is disposed on the second circulation pipeline 212, where a specific number of the first circulation pump assemblies 4 may be selectively configured according to actual needs, and the first circulation pump assemblies 4 may generally include related components such as a check valve and an opening/closing valve, which are sequentially disposed on corresponding pipelines, in addition to the circulation pump. When the number of the first circulating pump assemblies 4 is plural, the plural first circulating pump assemblies 4 are arranged in parallel on the second circulating pipeline 212, and by using plural first circulating pump assemblies 4 (plural means two or more) arranged in parallel, taking two as an example, when one of the first circulating pump assemblies 4 fails, the other first circulating pump assembly 4 can be started, so that the purpose of mutual backup use can be achieved.
In some more specific embodiments, referring to fig. 3, the temperature control system of the electrical apparatus may further include a heat recovery device, where the heat recovery device may specifically include a fourth heat exchanger and a heat recovery line 5, where the fourth heat exchanger is disposed on a condensation side of the refrigeration unit 211 and is configured to absorb heat energy of the condensation side, so as to enhance refrigeration efficiency of the refrigeration unit 211; and the heat energy absorbed by the fourth heat exchanger can be conveyed to a place where heat is required by the heat recovery pipeline 5, for example, the heat recovery pipeline 5 can comprise a water source supply pipe connected to the liquid inlet of the fourth heat exchanger and a hot water conveying pipe connected to the liquid outlet of the fourth heat exchanger, and the hot water conveying pipe can be used for conveying the part of heat to domestic hot water or other places where heat is required by the production process, so that the place is not limited in more detail. Through the heat recovery device, the heat production amount in the operation process of the electrical equipment can be conveniently recovered by combining the project field heat demand, the hot water for the production and living processes can be prepared for free, the energy efficiency of the system is greatly improved, the cost is reduced, the additional value of the energy storage system is improved, and extremely high social benefit is generated.
In some specific embodiments, referring to fig. 4, the refrigeration apparatus 21 may further include a liquid cooling heat exchanger unit, which may specifically include a cooling tower 213, a fifth heat exchanger and a third circulation line 214, wherein the fifth heat exchanger is disposed on the condensation side of the refrigeration unit 211, absorbs heat energy of the condensation side of the refrigeration unit 211, and then performs circulation heat exchange with the cooling tower 213 through the third circulation line 214, so that heat dissipation efficiency of the condensation side of the refrigeration unit 211 can be improved, and then refrigerating efficiency is improved.
In a further embodiment, at least one second circulating pump assembly 215 may be specifically disposed on the third circulating pipeline 214, and when the number of the second circulating pump assemblies 215 is plural, the plural second circulating pump assemblies 215 are disposed in parallel on the third circulating pipeline 214, and by using plural second circulating pump assemblies 215 (plural means here, two or more) disposed in parallel, for example, when one of the second circulating pump assemblies 215 fails, another second circulating pump assembly 215 may be turned on, so as to achieve the purpose of mutual backup, and in addition, the manner that two second circulating pump assemblies 215 are disposed in parallel can also achieve the simultaneous operation of the two second circulating pump assemblies 215, thereby reducing the power configuration requirement on the single second circulating pump assembly 215. The specific number of the second circulation pump assemblies 215 may be selected according to actual requirements, and the second circulation pump assemblies 215 may generally include related components such as check valves and opening and closing valves, which are sequentially arranged on corresponding pipes, in addition to the circulation pumps.
In still further embodiments, referring to fig. 4, the refrigeration apparatus 21 may further include a sixth heat exchanger 216, where the sixth heat exchanger 216 may specifically include a first heat exchange flow passage 2161 and a second heat exchange flow passage 2162 in a heat exchange arrangement; the first heat exchange flow passage 2161 is disposed on the third circulation pipeline 214 and is arranged in parallel with the fifth heat exchanger, specifically, the third circulation pipeline 214 may be disposed with a first three-way valve 218, and then the first heat exchange flow passage 2161 is drained through the pipeline; the second heat exchanging flow passage 2162 is disposed on the second circulation pipe 212 and is disposed in parallel with the first heat exchanger, and specifically, the second circulation pipe 212 may be disposed with the second three-way valve 219 and then drained to the second heat exchanging flow passage 2162 through the pipe. By designing the refrigerating apparatus 21 in the above-described structure, the fifth heat exchanger can transfer the cold energy of the cooling tower 213 to the first heat exchanging channel 2161 through the third circulation line 214, and the first heat exchanging channel 2161 exchanges heat with the second heat exchanging channel 2162, so that the cold energy of the second heat exchanging channel 2162 can be transferred to the first heat exchanger through the second circulation line 212, thereby completing the cold accumulation process of the cold accumulation device 22.
In other specific embodiments, referring to fig. 5, the refrigeration unit 21 may further include an air-cooled heat exchanger unit 217, the air-cooled heat exchanger unit 217 including a seventh heat exchanger 2171 and an air-cooled assembly 2172; wherein the seventh heat exchanger 2171 is disposed on the second circulation pipeline 212 and is arranged in parallel with the first heat exchanger; the air cooling assembly 2172 is configured to perform air cooling and heat dissipation on the seventh heat exchanger 2171. The seventh heat exchanger 2171 is configured to perform air cooling and heat dissipation by the air cooling module 2172, and the seventh heat exchanger 2171 is arranged in parallel with the first heat exchanger, so that the cold accumulation device 22 can be cooled by the heat exchange medium flowing through the second circulation line 212.
It should be noted that, the above-mentioned air-cooled heat exchanger unit 217 and liquid-cooled heat exchanger unit may be arranged either one or both, and may be configured according to actual requirements in the actual application process, which is not limited in more detail herein.
In some specific embodiments, referring to fig. 6, the above-mentioned refrigerating device 21 may also be designed to include a refrigerating unit 211 and a first heat exchanger disposed on the evaporation side of the refrigerating unit 211, where the cold storage device 22 is a cold storage water tank, and the first heat exchanger, the cold storage water tank and the liquid cooling heat exchange assembly 1 are all disposed on the first circulation line 3 and are arranged in series. Through designing into this kind of structural style for the structure of whole temperature control system is simpler, the installation of being convenient for. It should be noted that, the refrigeration unit 211 generally refers to a refrigeration unit, which generally includes an evaporator, a condenser, and a compressor, so that the refrigeration unit has an evaporation side and a condensation side, the condensation side of the refrigeration unit 211 may be provided with an air-cooled radiator, and when the ambient temperature is low (for example, below 5 ℃), the refrigeration unit may be switched to an air-cooled heat dissipation mode, at this time, the compressor does not need to be turned on, and the cooling liquid exchanges heat with air directly through the air-cooled radiator, so that the operation energy consumption may be further reduced.
In other specific embodiments, the cold storage device 22 may be specifically configured to provide cold to a plurality of chassis, and the liquid cooling heat exchange assemblies 1 are arranged in a one-to-one correspondence with the chassis. Through designing into this kind of structural style, cold-storage device 22 can supply the cold energy to a plurality of quick-witted casees simultaneously, not only can practice thrift cold-storage device 22's the quantity of arranging, reduce equipment configuration and be maintenance cost, on the other hand is convenient to the temperature centralized control of quick-witted case. It will be understood that the cold accumulation device 22 and the case may be arranged in a one-to-one correspondence manner, and in the practical application process, the corresponding arrangement manner may be selected according to the practical requirement.
In a further embodiment, referring to fig. 1, the number of the first circulation pipes 3 may be arranged in one, and each liquid-cooled heat exchange assembly 1 is disposed on the first circulation pipe 3 and arranged in parallel. Through designing into this kind of structural style, can realize the centralized control to a plurality of quick-witted casees, its advantage is that control and maintenance are more convenient, of course also can be provided with corresponding control valves on the parallelly connected pipeline of the liquid cooling heat transfer module 1 that corresponds to the convenience is to carrying out flexible control to a certain liquid cooling heat transfer module 1. Furthermore, only one set of circulating power mechanism is needed to be arranged on the first circulating pipeline 3, thereby being beneficial to saving equipment arrangement.
In a further embodiment, at least one third circulation pump assembly 6 may be specifically disposed on the first circulation line 3, and when the number of third circulation pump assemblies 6 is plural, the plural third circulation pump assemblies 6 are disposed in parallel on the first circulation line 3. By arranging a plurality of third circulating pump assemblies 6 in parallel (a plurality refers to two or more), taking two as an example, when one of the third circulating pump assemblies 6 fails, the other third circulating pump assembly 6 can be started, the purpose of mutual backup use can be achieved, in addition, in the mode that the two third circulating pump assemblies 6 are arranged in parallel, the two third circulating pump assemblies 6 can also work simultaneously, and therefore the power configuration requirement on a single third circulating pump assembly 6 can be reduced. The specific number of the third circulation pump assemblies 6 may be selected according to actual requirements, and the third circulation pump assemblies 6 may generally include related components such as check valves and opening/closing valves disposed in sequence on corresponding pipes, in addition to the circulation pumps.
In other specific embodiments, referring to fig. 2-5, the number of the first circulation pipes 3 may also be plural and arranged in a one-to-one correspondence with the liquid cooling heat exchange assemblies 1, where each liquid cooling heat exchange assembly 1 circularly exchanges heat with the cold storage device 22 through the corresponding first circulation pipe 3. Through designing into this kind of structural style for each liquid cooling heat transfer subassembly 1 can independent control, has reduced the problem of each liquid cooling heat transfer subassembly 1 mutual interference, and control is more accurate.
In a further embodiment, the first circulation pipeline 3 may specifically include an infusion pipeline 31 and a return pipeline 32, where the infusion pipeline 31 is used for conveying the cooling liquid cooled by the cold storage device 22 to the liquid cooling heat exchange assembly 1, the return pipeline 32 is used for returning the cooling liquid cooled by the liquid cooling heat exchange assembly 1 to the cold storage device 22, and the corresponding circulation power mechanism (i.e. the fourth circulation pump assembly 30 in fig. 2-5) may be designed on the infusion pipeline 31, or may be designed on the confluence pipeline 32, so long as the circulation power can be provided.
In still a further embodiment, referring to fig. 2, the fourth circulating pump assembly 30 is preferably disposed on the infusion line 31, and at least part of the infusion lines 31 of two adjacent first circulating lines 3 are connected by a communication line 33, the communication line 33 is provided with a first on-off valve 331, and the connection nodes of the communication line 33 on the infusion line 31 are all located downstream of the fourth circulating pump assembly 30. By designing the structure, under normal working conditions, the first opening and closing valve 331 is in a closed state, at the moment, the first communication pipeline 33 is not conducted, and the infusion pipelines 31 of the two first circulation pipelines 3 correspondingly connected with the first opening and closing valve are independently circulated; when the fourth circulating pump assembly 30 on the infusion pipeline 31 on one of the first circulating pipelines 3 fails and cannot normally operate, the first opening and closing valve 331 can be opened, and at the moment, the fourth circulating pump assembly 30 on the infusion pipeline 31 on the other first circulating pipeline 3 can simultaneously provide circulating flow power for the two infusion pipelines 31, so that each liquid cooling heat exchange assembly can be better supplied with heat exchange media. At this time, the fourth circulation pump assemblies 30 on the infusion lines 31 of the adjacent two first circulation lines 3 can be mutually standby, and each battery box is kept with the cooling liquid for cooling the battery.
In the practical application process, the infusion lines 31 of two adjacent first circulation lines 3 may be selected to be connected through the communication line 33, or the infusion lines 31 of any two adjacent first circulation lines 3 may be all connected through the communication line 33, which may be configured according to the actual requirements, and is not limited in detail herein.
In addition, the fourth circulation pump assembly 30 may specifically include a circulation pump 301, a check valve 302, and a second opening/closing valve 303 that are disposed in series on the infusion line 31. The circulating pump 301 mainly provides power for circulating flow, the check valve 302 mainly prevents reverse flow from damaging the circulating pump 301, and the second opening/closing valve 303 mainly controls on/off of the infusion pipeline 31, so that the liquid cooling heat exchange assembly 1 in the corresponding chassis is flexibly controlled. For example, when two adjacent infusion lines 31 are connected by the communication line 33, the second opening/closing valve 303 on the corresponding failed infusion line 31 is closed, and the first opening/closing valve 331 on the communication line 33 is opened.
In other specific embodiments, the fourth circulation pump assembly 30 may further include a filter 304 disposed on the infusion line 31 upstream of the circulation pump 301. Through the design of this filter 304 can effectively filter impurity, prevent to exert an influence to circulating pump 301. It will of course be appreciated that other arrangement means on the pipeline may be arranged in addition to the filter 304, and that the configuration may be selected according to the desired function, without being limited in more detail herein.
In addition, for the electrical equipment such as an energy storage battery box, the conventional arrangement mode integrates the isothermal control equipment of the liquid cooling unit, the battery and a heat dissipation system thereof into a cabinet body, and has the advantages of convenience in project site construction and flexibility in arrangement, but is limited by the size, the weight, the appearance and the like of the battery box, and the temperature control system in the battery box is also difficult to maintain, limited in air inlet and outlet and has the problem of low energy efficiency ratio during operation. Of course, in addition to the battery box, other electrical devices with temperature control systems have similar problems.
In order to solve the technical problems, the temperature control unit 2 is preferably arranged at the outer side of the case. Because the temperature control unit 2 is arranged outside the chassis of the electrical equipment and controls the temperature of the liquid cooling heat exchange assembly 1 through the first circulating pipeline 3, the temperature control unit 2 not only can dissipate heat of the electrical components in the chassis of the electrical equipment, but also does not occupy the internal space of the chassis, so that the internal space of the chassis is more abundant, more electrical components can be arranged, the arrangement is more flexible and convenient under a relatively larger space, and the single-machine energy efficiency ratio of the electrical equipment is greatly improved; in addition, because the temperature control unit 2 is arranged externally, the temperature control unit 2 is more convenient to maintain.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It should be appreciated that the terms "system," "apparatus," "unit," and/or "module," if used herein, are merely one method for distinguishing between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the word can be replaced by other expressions.
As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not specific to the singular, but may include the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.
Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present application, "plurality" means two or more than two.
In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
If a flowchart is used in the present application, the flowchart is used to describe the operations performed by the system according to embodiments of the present application. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (20)
1. A temperature control system for an electrical device, comprising:
the liquid cooling heat exchange assembly (1) is loaded in a case of the electrical equipment and used for radiating the electrical assembly in the case;
the temperature control unit (2) comprises a refrigerating device (21) and a cold accumulation device (22), wherein the refrigerating device (21) is used for generating cold energy, the cold accumulation device (22) is used for storing the cold energy, and the cold accumulation device (22) and the liquid cooling heat exchange assembly (1) exchange heat in a circulating way through the first circulating pipeline (3).
2. The temperature control system of an electrical apparatus according to claim 1, wherein the refrigeration device (21) comprises a refrigeration unit (211), a first heat exchanger and a second circulation line (212), the first heat exchanger being provided on an evaporation side of the refrigeration unit (211), the first heat exchanger being in circulation heat exchange with the cold storage device (22) through the second circulation line (212).
3. Temperature control system of an electrical apparatus according to claim 2, characterized in that when the cold accumulation device (22) is a cold accumulation water tank, the first heat exchanger and the cold accumulation water tank are both located on the second circulation line (3) and are arranged in series.
4. The temperature control system of electrical equipment according to claim 2, characterized in that the cold accumulation device (22) is a phase change cold accumulation box, a second heat exchanger and a third heat exchanger are arranged in the phase change cold accumulation box, the second heat exchanger and the third heat exchanger are arranged in a heat exchange mode with phase change cold accumulation materials in the phase change cold accumulation box, the first heat exchanger and the second heat exchanger are arranged in series on the second circulation pipeline (212), and the third heat exchanger and the liquid cooling heat exchanger are arranged in series on the first circulation pipeline (3).
5. Temperature control system of an electrical device according to claim 2, characterized in that at least one first circulation pump assembly (4) is provided on the second circulation line (212), and that when the number of first circulation pump assemblies (4) is plural, the plural first circulation pump assemblies (4) are arranged in parallel on the second circulation line (212).
6. Temperature control system of an electrical apparatus according to claim 2, further comprising heat recovery means comprising a fourth heat exchanger and a heat recovery line (5), the fourth heat exchanger being arranged at the condensing side of the refrigeration unit (211) for absorbing heat energy of the condensing side; the heat recovery pipeline (5) is used for conveying the heat energy absorbed by the fourth heat exchanger to a demand place.
7. The temperature control system of an electrical apparatus according to claim 2, wherein the refrigeration device (21) further comprises a liquid-cooled heat exchanger unit including a cooling tower (213), a fifth heat exchanger provided on a condensation side of the refrigeration unit (211), and a third circulation line (214), the fifth heat exchanger being in circulation heat exchange with the cooling tower (213) through the third circulation line (214).
8. The temperature control system of an electrical device according to claim 7, wherein at least one second circulation pump assembly (215) is provided on the third circulation line (214), and when the number of the second circulation pump assemblies (215) is plural, the plural second circulation pump assemblies (215) are arranged in parallel on the third circulation line (214).
9. The temperature control system of an electrical device according to claim 8, wherein the refrigeration unit (21) further comprises a sixth heat exchanger (216), the sixth heat exchanger (216) comprising a first heat exchange flow channel (2161) and a second heat exchange flow channel (2162) in a heat exchange arrangement;
wherein the first heat exchange flow channel (2161) is arranged on the third circulation pipeline (214) and is arranged in parallel with the fifth heat exchanger; the second heat exchange flow passage (2162) is arranged on the second circulation pipeline (212) and is arranged in parallel with the first heat exchanger.
10. A temperature control system of an electrical apparatus according to claim 2, wherein the refrigeration device (21) further comprises an air-cooled heat exchanger unit (217), the air-cooled heat exchanger unit (217) comprising a seventh heat exchanger (2171) and an air-cooled assembly (2172);
wherein the seventh heat exchanger (2171) is arranged on the second circulation pipeline (212) and is arranged in parallel with the first heat exchanger; the air cooling assembly (2172) is used for carrying out air cooling heat dissipation on the seventh heat exchanger (2171).
11. The temperature control system of an electrical apparatus according to claim 1, wherein the refrigeration device (21) comprises a refrigeration unit (211) and a first heat exchanger arranged on an evaporation side of the refrigeration unit (211), the cold storage device (22) is a cold storage water tank, and the first heat exchanger, the cold storage water tank and the liquid cooling heat exchange assembly (1) are all arranged on the first circulation pipeline (3) and are arranged in series.
12. Temperature control system of an electrical device according to any of claims 1-11, wherein the cold storage means (22) is configured to provide cold to a plurality of said cabinets, the liquid cooled heat exchange assemblies (1) being arranged in a one-to-one correspondence with said cabinets.
13. Temperature control system of an electrical device according to claim 12, characterized in that the number of the first circulation pipes (3) is one, and that each liquid-cooled heat exchange assembly (1) is arranged on the first circulation pipe (3) in parallel.
14. Temperature control system of an electrical device according to claim 13, characterized in that at least one third circulation pump assembly (6) is provided on the first circulation line (3), and that when the number of third circulation pump assemblies (6) is plural, the plural third circulation pump assemblies (6) are arranged in parallel on the first circulation line (3).
15. The temperature control system of an electrical device according to claim 12, wherein the number of the first circulation pipes (3) is plural and is arranged in one-to-one correspondence with the liquid cooling heat exchange assemblies (1), and each liquid cooling heat exchange assembly (1) circularly exchanges heat with the cold accumulation device (22) through the corresponding first circulation pipe (3).
16. Temperature control system of an electrical apparatus according to claim 15, wherein the first circulation line (3) comprises a liquid feeding line (31) for feeding the cooling liquid cooled by the cold storage device (22) to the liquid cooling heat exchange assembly (1) and a return line (32) for returning the cooling liquid cooled by the liquid cooling heat exchange assembly (1) to the cold storage device (22), and a fourth circulation pump assembly (30) is provided on the liquid feeding line (31) or the converging line (32).
17. Temperature control system of an electrical device according to claim 16, characterized in that the fourth circulation pump assembly (30) is arranged on the infusion line (31), and that the infusion lines (31) of at least partially adjacent two of the first circulation lines (3) are connected by means of a communication line (33), that the communication line (33) is provided with a first on-off valve (331), and that the connection nodes of the communication line (33) on the infusion line (31) are all located downstream of the fourth circulation pump assembly (30).
18. The temperature control system of an electrical device according to claim 17, wherein the fourth circulation pump assembly (30) comprises a circulation pump (301), a check valve (302) and a second on-off valve (303) arranged in series on the infusion line (31).
19. The temperature control system of an electrical device according to claim 17, wherein the fourth circulation pump assembly (30) further comprises a filter (304) arranged on the infusion line (31) upstream of the circulation pump (301).
20. The temperature control system of an electrical device according to any one of claims 1 to 19, wherein the temperature control unit is arranged outside the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370931.XA CN116315303A (en) | 2023-04-04 | 2023-04-04 | Temperature control system of electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370931.XA CN116315303A (en) | 2023-04-04 | 2023-04-04 | Temperature control system of electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116315303A true CN116315303A (en) | 2023-06-23 |
Family
ID=86787073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310370931.XA Pending CN116315303A (en) | 2023-04-04 | 2023-04-04 | Temperature control system of electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116315303A (en) |
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2023
- 2023-04-04 CN CN202310370931.XA patent/CN116315303A/en active Pending
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