CN113644337B - Thermal management system and thermal management method of hybrid power supply shelter - Google Patents
Thermal management system and thermal management method of hybrid power supply shelter Download PDFInfo
- Publication number
- CN113644337B CN113644337B CN202110751847.3A CN202110751847A CN113644337B CN 113644337 B CN113644337 B CN 113644337B CN 202110751847 A CN202110751847 A CN 202110751847A CN 113644337 B CN113644337 B CN 113644337B
- Authority
- CN
- China
- Prior art keywords
- heat
- energy storage
- storage battery
- circulation channel
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007726 management method Methods 0.000 title abstract description 23
- 238000004146 energy storage Methods 0.000 claims abstract description 111
- 238000005338 heat storage Methods 0.000 claims abstract description 32
- 238000010248 power generation Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000011232 storage material Substances 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 15
- 239000002918 waste heat Substances 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/635—Control systems based on ambient temperature
-
- 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
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a thermal management system and a thermal management method of a hybrid power supply shelter, wherein the thermal management system comprises a heat storage device, a first heat exchanger, a second heat exchanger, a heater, a first circulation channel and a second circulation channel; the heat storage device, the first heat exchanger, the second heat exchanger, the heater and the energy storage battery are in heat conduction connection through a heat-conducting medium introduced into the first circulation channel; the first heat exchanger, the radiator of the generator set and the generator set body are in heat conduction connection through a heat-conducting medium introduced into the second circulation channel; and the tail gas discharge end of the generator set is connected with the second heat exchanger through a gas circuit. The hybrid power supply system can effectively recover the self-heat of the hybrid power supply Fang Cangna energy storage battery, the waste heat of the generator set and the surplus solar energy, improves the comprehensive energy utilization efficiency and the low-temperature environment adaptability of the hybrid power supply system in the shelter, and ensures that the hybrid power supply Fang Cangna energy storage battery can work normally and stably under the special working environments of high temperature or low temperature and the like.
Description
Technical Field
The invention relates to the technical field of power supply square cabins, in particular to a thermal management system and a thermal management method of a hybrid power supply square cabin.
Background
With the rapid development of new energy technologies such as photovoltaic power generation, energy storage batteries and the like, the application of a light-storage-diesel hybrid power supply system utilizing photovoltaic power generation, energy storage batteries and a diesel generating set is more and more extensive. Due to the preassembling design concept of the square cabin type light-storage-diesel hybrid power supply system, after a manufacturer finishes production debugging, the field deployment of the light-storage-diesel hybrid power supply system can be directly and rapidly finished, and the square cabin type light-storage-diesel hybrid power supply system has wide application prospects in the fields of emergency power supply, remote area power supply and military power supply. However, the lithium ion battery currently applied in large scale has poor low-temperature characteristics (low-temperature discharge capacity, failure to discharge at extremely low temperature, failure to charge below 0 ℃, etc.), and is a core component in the hybrid light-storage-diesel power supply system, so that the hybrid light-storage-diesel power supply system has high requirements on environment, and the application range of the hybrid light-storage-diesel power supply system is greatly restricted.
At present, for a square cabin type light storage firewood hybrid power supply system, the problem of low-temperature environment adaptability of most products is not considered yet, and the products considering the problem of low-temperature environment adaptability are only limited to the method of heating by adopting an air conditioner. The method has various problems, one is that the energy efficiency ratio of the air conditioner is low in a low-temperature environment, and the heating efficiency of the air conditioner is very poor particularly in an environment below-30 ℃; secondly, the air conditioner heating mode is that air is heated firstly, the energy storage battery combination in the other cabin is heated by hot air through the designed air duct, and the heating time of the energy storage battery is as long as more than several hours due to the slow heat exchange speed between the air and the energy storage battery module; thirdly, hot air in the square cabin is gathered at the top, cold air is gathered at the bottom, and the method for heating the square cabin by utilizing the air conditioner is extremely difficult to realize the uniform temperature of the energy storage battery in the whole square cabin, so that the efficient and long-term stable operation of the energy storage battery is not facilitated.
Part of the square cabin type light storage diesel hybrid power supply system adopts special low-temperature batteries to deal with the low-temperature environment, is limited to the technical level of the current lithium ion batteries, has poor low-temperature performance and very high price, and is difficult to adopt in a large range by adopting the special low-temperature batteries.
Therefore, how to ensure the temperature stability of the energy storage battery in the square cabin type light storage firewood hybrid power supply system and enable the energy storage battery in the hybrid power supply square cabin to work normally and stably under special working environments such as high temperature or low temperature is a technical problem to be solved in the field.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a thermal management system and a thermal management method which can recover heat generated by the work of a hybrid power supply system in a shelter to assist a hybrid power supply Fang Cangna energy storage battery to stably work.
In order to achieve the above object, a first aspect of the present invention provides a thermal management system for a hybrid power supply shelter, in which an energy storage battery, a generator set and a photovoltaic power generation system are disposed; the heat management system comprises a heat storage device, a first heat exchanger, a second heat exchanger, a heater, a first circulation channel and a second circulation channel; the photovoltaic power generation system supplies power to the heater to generate heat, and the heat storage device, the first heat exchanger, the second heat exchanger, the heater and the energy storage battery are in heat conduction connection through a heat conduction medium introduced into the first circulation channel; the first heat exchanger, the radiator of the generator set and the generator set body are in heat conduction connection through a heat-conducting medium introduced into the second circulation channel; and the tail gas discharge end of the generator set is connected with the second heat exchanger through a gas circuit.
Further, the heat storage device comprises a phase-change heat storage material, and the heat storage device is used for recycling one or more of the heat of the energy storage battery, the heat of the generator set, the heat of the heater and the heat of tail gas of the generator set through heat conducting media in the first circulation channel and the second circulation channel.
Further, when the temperature of the energy storage battery is lower than a preset temperature, the energy storage battery is heated through heat exchange of a heat-conducting medium introduced into the first circulation channel; when the temperature of the energy storage battery is higher than the preset temperature, the heat of the energy storage battery is recovered to the heat storage device through heat exchange of the heat-conducting medium introduced into the first circulation channel.
Further, when the temperature of the energy storage battery is lower than the working limit temperature, the generator set is controlled to work to generate heat, and the energy storage battery is heated through heat exchange of heat-conducting media introduced into the first circulation channel and the second circulation channel.
Further, when the temperature of the energy storage battery is lower than the working limit temperature, the heater is controlled to work to generate heat, and the energy storage battery is heated through heat exchange of the heat-conducting medium introduced into the first circulation channel.
Further, the heat-conducting media introduced into the first circulating channel and the second circulating channel are cooling liquid.
Further, the first heat exchanger is a liquid-liquid heat exchanger, and the second heat exchanger is an air-liquid heat exchanger.
Further, the first heat exchanger includes a first input, a second input, a first output, and a second output, the first input and the first output being connected to the first circulation channel; the second input end and the second output end are connected with the second circulation channel, and the first heat exchanger is used for heat exchange between the heat-conducting medium introduced into the first circulation channel and the heat-conducting medium introduced into the second circulation channel.
Further, the second heat exchanger includes first input, second input, first output and second output, first input with generating set's tail gas end is connected, the second input with the second output with first circulation channel connects, the second heat exchanger be used for with generating set's tail gas heat transfer extremely the heat-conducting medium that lets in the first circulation channel, and pass through the tail gas after the second output will be heat exchanged discharges.
Further, the generator set may be a diesel generator set.
A second aspect of the present invention provides a method of thermal management of a thermal management system as described in the first aspect, comprising:
in the discharging process of the energy storage battery in the hybrid power supply shelter, when the temperature of the energy storage battery is higher than the preset temperature, the heat generated by the energy storage battery is conducted to the heat storage device for recycling through the heat conducting medium introduced into the first circulation channel;
in the charging process of the energy storage battery in the hybrid power supply square cabin, when the temperature of the energy storage battery is lower than a preset temperature, the heat storage device heats the energy storage battery through heat exchange of a heat-conducting medium introduced into the first circulation channel;
when the temperature of the energy storage battery in the hybrid power supply square chamber is lower than the working limit temperature and cannot work, controlling the generator set to work, and heating the energy storage battery through heat exchange of heat-conducting media introduced into the first circulation channel and the second circulation channel;
when the temperature of an energy storage battery in the hybrid power supply square cabin is lower than the working limit temperature and cannot work and the state of charge of the energy storage battery is high and the illumination condition is good, the photovoltaic power generation system is controlled to supply power to the heater, so that the heater works, and the energy storage battery is heated through heat exchange of a heat-conducting medium introduced into the first circulation channel.
By arranging the circulating channel and the heat storage device, the self-heating of the hybrid power supply Fang Cangna energy storage battery, the waste heat of the generator set and the surplus solar energy can be effectively recovered, the comprehensive energy utilization efficiency and the low-temperature environment adaptability of the hybrid power supply system in the shelter are improved, and the normal and stable work of the hybrid power supply Fang Cangna energy storage battery in special working environments such as high temperature or low temperature is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block schematic diagram of a thermal management system for a hybrid power shelter in accordance with an embodiment of the present invention;
fig. 2 is a flowchart illustrating a thermal management method of a thermal management system according to an embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the term "connected" should be interpreted broadly, and may include, for example, a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, and an indirect connection through an intermediate medium. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The terms "top," "bottom," "above … …," "down," and "above … …," "left-right direction," "up-down direction" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, independent of their orientation in space.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of the indicated technical features. Thus, a defined "first" or "second" feature may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in the thermal management system of the hybrid power supply shelter, an energy storage battery 1, a generator set 5 and a photovoltaic power generation system 7 are arranged in the hybrid power supply shelter; the heat management system comprises a heat storage device 2, a first heat exchanger 3, a second heat exchanger 6, a heater 8, a first circulation channel 9 and a second circulation channel 10; the photovoltaic power generation system 7 supplies power to the heater 8 to generate heat, and the heat storage device 2, the first heat exchanger 3, the second heat exchanger 6, the heater 8 and the energy storage battery 1 are in heat conduction connection through a heat conduction medium introduced into the first circulation channel 9; the first heat exchanger 3, the radiator 4 of the generator set 5 and the generator set 5 body are in heat conduction connection through a heat-conducting medium introduced into the second circulation channel 10; and the tail gas discharge end of the generator set 5 is connected with the second heat exchanger 6 through a gas circuit 11. This implementation is through letting in heat-conducting medium in first circulation passageway 9 and second circulation passageway 10, and energy storage battery self-production, generating set used heat and surplus solar energy effective recovery in the mixed power supply shelter under the cooperation of first heat exchanger 3, second heat exchanger 6 promote the comprehensive energy utilization efficiency and the low temperature environmental suitability of mixed power supply system in the shelter, have guaranteed that mixed power supply Fang Cangna energy storage battery works normally stably under special operating environment such as high temperature or low temperature.
Optionally, the heat storage device 2 includes a phase change heat storage material, and the heat storage device 2 is configured to recover one or more of the heat of the energy storage battery 1, the heat of the generator set 5, the heat of the heater 8, and the heat of the tail gas of the generator set 5 through the heat transfer medium in the first circulation channel 9 and the second circulation channel 10. Specifically, waste heat generated by the generator set 5 during operation can be transferred to the heat transfer medium in the first circulation channel 9 through the heat transfer medium in the second circulation channel 10 via the first heat exchanger 3, and transferred to the heat storage device 2 for recovery through the heat transfer medium in the first circulation channel 9. In addition, if the waste heat generated during the operation of the generator set 5 is too much, the heat can be released outwards through the heat conducting medium in the second circulation channel 10 via the radiator 4 of the generator set 5. The heat generated by the heater 8 during operation can be transferred to the energy storage battery 1 through the heat-conducting medium in the first circulation channel 9 to heat the energy storage battery and transferred to the heat storage device 2 to be recovered. The heat of the tail gas of the generator set 5 can be exchanged with the heat conducting medium in the first circulation channel through the second heat exchanger 6 and transferred to the heat storage device 2 for recycling.
Alternatively, the generator set 5 may be a diesel generator set.
Optionally, the preset temperature of the energy storage battery is a critical temperature value which is lower than the normal temperature and higher than the working limit temperature, and may affect the charging and discharging operations of the energy storage battery. When the energy storage battery 1 operates below a preset temperature, the charging of the energy storage battery 1 is influenced. In order to avoid the influence on the charging of the energy storage battery 1 caused by the temperature of the energy storage battery being lower than the preset temperature, when the temperature of the energy storage battery 1 is lower than the preset temperature, the energy storage battery 1 is heated through the heat exchange of the heat-conducting medium introduced into the first circulation channel 9, and the energy storage battery 1 is maintained within a proper charging temperature range. When the temperature of the energy storage battery 1 is higher than the preset temperature, the energy storage battery may be overheated and explode spontaneously. When the temperature of the energy storage battery 1 is higher than the preset temperature, the heat of the energy storage battery 1 is recovered to the heat storage device 2 through the heat exchange of the heat-conducting medium introduced into the first circulation channel 9.
Optionally, the working limit temperature of the energy storage battery refers to a temperature at which the energy storage battery is too low to work. When the temperature of the energy storage battery 1 is lower than the working limit temperature, the energy storage battery recovers to the normal working temperature when the energy storage battery is heated by high heat and heat exchange efficiency. When the temperature of the energy storage battery 1 is lower than the working limit temperature, the generator set 5 is controlled to work and generate heat, a large amount of heat generated by the working of the generator set 5 is transferred to the energy storage battery 1 and rapidly heated through the heat exchange of the heat-conducting medium introduced into the first circulation channel 9 and the second circulation channel 10, so that the energy storage battery 1 can recover to the normal working temperature within a relatively short time, and the energy storage battery 1 is ensured to normally and stably work in an extremely low temperature environment.
Optionally, when the state of charge of the energy storage battery 1 is high and the illumination condition is good, the photovoltaic power generation system cannot continue to work to charge the energy storage battery, the electric energy generated by the photovoltaic power generation system can be converted into heat energy by using the heater, and the heat energy can raise the temperature of the energy storage battery 1 to a higher state or store the heat energy into the heat storage device 2. When energy storage battery 1 temperature is less than work limit temperature, control heater 8 work heat production, through the heat-conducting medium heat exchange who lets in the first circulation passageway 9 with a large amount of heat transfer extremely that heater 8 work produced energy storage battery 1 heats it fast, makes energy storage battery 1 can resume to normal operating temperature in the lower time, guarantees that energy storage battery 1 also can normally stable work under the extremely low environment of temperature.
Optionally, the heat transfer medium introduced into the first circulation channel 9 and the second circulation channel 10 may be cooling liquid or water.
Optionally, the first heat exchanger 3 is a liquid-liquid heat exchanger, and the second heat exchanger 6 is an air-liquid heat exchanger. In particular, the first heat exchanger 3 comprises a first input, a second input, a first output and a second output, which are connected to the first circulation channel 9; the second input end and the second output end are connected with two ends of the second circulation channel 10, and the first heat exchanger 3 is used for heat exchange between a heat-conducting medium introduced into the first circulation channel 9 and a heat-conducting medium introduced into the second circulation channel 10. The second heat exchanger 6 comprises a first input end, a second input end, a first output end and a second output end, the first input end is connected with the tail gas end of the generator set 5, the second input end is connected with the second output end is connected with the first circulation channel 9, and the second heat exchanger 6 is used for transmitting the heat of the tail gas of the generator set 5 to the heat-conducting medium introduced into the first circulation channel 9 and discharging the heat-exchanged tail gas through the second output end.
As shown in fig. 2, the present invention further provides a thermal management method of the thermal management system in the foregoing embodiment, including:
step S200: in the discharging process of the energy storage battery in the hybrid power supply shelter, when the temperature of the energy storage battery is higher than a preset temperature, the heat generated by the energy storage battery is conducted to the heat storage device to be recovered through the heat conducting medium introduced into the first circulation channel.
Step S210: in the charging process of the energy storage battery in the hybrid power supply cabin, when the temperature of the energy storage battery is lower than a preset temperature, the heat storage device heats the energy storage battery through heat exchange of the heat-conducting medium introduced into the first circulation channel.
Step S220: when the temperature of the energy storage battery in the hybrid power supply cabin is lower than the working limit temperature and cannot work, the generator set is controlled to work, and the energy storage battery is heated through heat exchange of heat-conducting media introduced into the first circulation channel and the second circulation channel.
Step S230 is to control the photovoltaic power generation system to supply power to the heater to enable the heater to operate when the temperature of the energy storage battery in the hybrid power supply cabin is lower than the working limit temperature and cannot operate and the state of charge of the energy storage battery is high and the illumination condition is good, and heat is exchanged by the heat conducting medium introduced into the first circulation channel to heat the energy storage battery.
The steps S200 to S230 may be performed in sequence, or may be selectively performed according to actual needs, and the sequence of the steps is not limited thereto, or may be switched back and forth according to actual needs, which is not intended to limit the present invention.
In conclusion, the square cabin type light-storage and diesel-storage hybrid power supply system can realize the self-heat generation of stored energy, the effective utilization of waste heat of the diesel generating set and surplus solar energy under the matching of the circulating channel, the heat exchanger and the heat storage device, and improves the comprehensive energy utilization efficiency and the low-temperature environment adaptability of the square cabin type light-storage and diesel-storage hybrid power supply system.
And the liquid cooling mode is adopted, so that the rapid heating and the uniform temperature control of the energy storage battery system can be realized.
By adopting the waste heat recovery and liquid cooling system of the diesel generating set, the energy storage battery can be heated by using the waste heat recovery of the diesel generating set in the extremely low temperature environment, and the use of the energy storage battery in the low temperature environment is realized.
Compared with an air conditioner heating mode, the air conditioner heating system has the advantages that the problem that the air conditioner cannot effectively work in an extreme low-temperature environment is solved through the energy storage battery discharging self-generated heat recovery, the generator set waste heat recovery and the surplus photovoltaic power generation electric heating, the energy utilization efficiency, the energy storage battery heating rate and the heat management uniformity can be remarkably improved, and the low-temperature environment adaptability of the whole square cabin type light-storage firewood mixed power supply system is improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (7)
1. The thermal management system of the hybrid power supply shelter is characterized in that an energy storage battery, a diesel generating set and a photovoltaic power generation system are arranged in the hybrid power supply shelter; the heat management system comprises a heat storage device, a first heat exchanger, a second heat exchanger, a heater, a first circulation channel and a second circulation channel; the photovoltaic power generation system supplies power to the heater to generate heat, and the heat storage device, the first heat exchanger, the second heat exchanger, the heater and the energy storage battery are in heat conduction connection through a heat conduction medium introduced into the first circulation channel; the first heat exchanger, the radiator of the generator set and the generator set body are in heat conduction connection through a heat-conducting medium introduced into the second circulation channel; the tail gas discharge end of the generator set is connected with the second heat exchanger through a gas circuit;
when the temperature of the energy storage battery is lower than a preset temperature, the energy storage battery is heated through heat exchange of a heat-conducting medium introduced into the first circulation channel; when the temperature of the energy storage battery is higher than the preset temperature, one or more of the heat of the energy storage battery, the heat of the generator set, the heat of the heater and the heat of tail gas of the generator set are recycled to the heat storage device through heat exchange of a heat-conducting medium introduced into the first circulation channel;
when the temperature of the energy storage battery is lower than the working limit temperature, controlling a generator set to work to generate heat, and heating the energy storage battery through heat exchange of heat-conducting media introduced into the first circulation channel and the second circulation channel; or alternatively
When the temperature of the energy storage battery is lower than the working limit temperature, the heater is controlled to work to generate heat, and the energy storage battery is heated through heat exchange of the heat-conducting medium introduced into the first circulation channel.
2. The thermal management system of claim 1, wherein the heat storage device comprises a phase change heat storage material, and wherein the heat storage device is configured to recover one or more of heat from the energy storage battery, heat from the generator set, heat from the heater, and heat from exhaust from the generator set via a heat transfer medium in the first circulation channel and the second circulation channel.
3. The thermal management system of claim 1, wherein the heat transfer medium introduced into the first circulation channel and the second circulation channel is a cooling fluid.
4. The thermal management system of claim 1, wherein the first heat exchanger is a liquid-to-liquid heat exchanger and the second heat exchanger is an air-to-liquid heat exchanger.
5. The thermal management system of claim 4, wherein the first heat exchanger comprises a first input, a second input, a first output, and a second output, the first input and the first output being connected to the first circulation passage; the second input end and the second output end are connected with the second circulation channel, and the first heat exchanger is used for heat exchange between the heat-conducting medium introduced into the first circulation channel and the heat-conducting medium introduced into the second circulation channel.
6. The thermal management system of claim 4, wherein the second heat exchanger comprises a first input end, a second input end, a first output end and a second output end, the first input end is connected with the tail gas end of the generator set, the second input end and the second output end are connected with the first circulation channel, and the second heat exchanger is used for transferring heat of the tail gas of the generator set to the heat-conducting medium introduced into the first circulation channel and discharging the heat-exchanged tail gas through the second output end.
7. A method of thermal management of a thermal management system according to claim 1, comprising:
in the discharging process of the energy storage battery in the hybrid power supply shelter, when the temperature of the energy storage battery is higher than the preset temperature, the heat generated by the energy storage battery is conducted to the heat storage device for recycling through the heat conducting medium introduced into the first circulation channel;
in the charging process of the energy storage battery in the hybrid power supply square cabin, when the temperature of the energy storage battery is lower than a preset temperature, the heat storage device heats the energy storage battery through heat exchange of a heat-conducting medium introduced into the first circulation channel;
when the temperature of the energy storage battery in the hybrid power supply square chamber is lower than the working limit temperature and cannot work, controlling the generator set to work, and heating the energy storage battery through heat exchange of heat-conducting media introduced into the first circulation channel and the second circulation channel;
when the temperature of an energy storage battery in the hybrid power supply square cabin is lower than the working limit temperature and cannot work and the state of charge of the energy storage battery is high and the illumination condition is good, the photovoltaic power generation system is controlled to supply power to the heater, so that the heater works, and the energy storage battery is heated through heat exchange of a heat-conducting medium introduced into the first circulation channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751847.3A CN113644337B (en) | 2021-07-02 | 2021-07-02 | Thermal management system and thermal management method of hybrid power supply shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751847.3A CN113644337B (en) | 2021-07-02 | 2021-07-02 | Thermal management system and thermal management method of hybrid power supply shelter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113644337A CN113644337A (en) | 2021-11-12 |
| CN113644337B true CN113644337B (en) | 2022-12-23 |
Family
ID=78416619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751847.3A Active CN113644337B (en) | 2021-07-02 | 2021-07-02 | Thermal management system and thermal management method of hybrid power supply shelter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113644337B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116544539B (en) * | 2023-06-28 | 2023-09-12 | 河北天乾地坤科技有限公司 | Battery control method and management system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443205A (en) * | 2006-05-15 | 2009-05-27 | 丰田自动车株式会社 | Exhaust heat recovery system |
| CN101458005A (en) * | 2009-01-15 | 2009-06-17 | 北京航空航天大学 | Solar photovoltaic-commercial power mixedly driving cold-storage and thermal storage type heat pump unit |
| WO2017202147A1 (en) * | 2016-05-26 | 2017-11-30 | 钱小飞 | Multiphase-change heat balance system for use in lithium battery pack of electric vehicle |
| CN107834606A (en) * | 2017-12-12 | 2018-03-23 | 中国恩菲工程技术有限公司 | Light stores up bavin micro-capacitance sensor electric power system and its control method |
| CN110005543A (en) * | 2019-03-28 | 2019-07-12 | 浙江大学 | A kind of distributed associating electricity generation system and its method based on heat pump electricity storage technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060055175A1 (en) * | 2004-09-14 | 2006-03-16 | Grinblat Zinovy D | Hybrid thermodynamic cycle and hybrid energy system |
-
2021
- 2021-07-02 CN CN202110751847.3A patent/CN113644337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443205A (en) * | 2006-05-15 | 2009-05-27 | 丰田自动车株式会社 | Exhaust heat recovery system |
| CN101458005A (en) * | 2009-01-15 | 2009-06-17 | 北京航空航天大学 | Solar photovoltaic-commercial power mixedly driving cold-storage and thermal storage type heat pump unit |
| WO2017202147A1 (en) * | 2016-05-26 | 2017-11-30 | 钱小飞 | Multiphase-change heat balance system for use in lithium battery pack of electric vehicle |
| CN107834606A (en) * | 2017-12-12 | 2018-03-23 | 中国恩菲工程技术有限公司 | Light stores up bavin micro-capacitance sensor electric power system and its control method |
| CN110005543A (en) * | 2019-03-28 | 2019-07-12 | 浙江大学 | A kind of distributed associating electricity generation system and its method based on heat pump electricity storage technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113644337A (en) | 2021-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102610838B (en) | Thermal management system of fuel cell, fuel cell system, and vehicle with the fuel cell system | |
| CN108539327B (en) | Power battery liquid heating system based on liquid cooling system and control method thereof | |
| CN108448198B (en) | Split type battery thermal management system, method of using the same, and rapid charging system | |
| CN105958155A (en) | Phase-change material energy-storage based cooling method and apparatus for power battery | |
| CN105720319B (en) | A kind of ptc heater and power battery heating and cooling device | |
| CN110525237A (en) | The cogeneration system and its control method of electric automobile fuel battery | |
| EP2025037A1 (en) | Temperature controller | |
| CN209896183U (en) | Fuel cell heating system | |
| CN108550877B (en) | Distributed cold start device, system and method for fuel cell stack | |
| EP4105070A1 (en) | Method and device for charging an electric vehicle | |
| CN113644337B (en) | Thermal management system and thermal management method of hybrid power supply shelter | |
| CN113611895A (en) | Fuel cell cooling system and method based on cooling coupling heat control | |
| CN108682879A (en) | A kind of heat management system of fuel cell-lithium battery hybrid system | |
| CN202474108U (en) | Fuel cell heat managing system, fuel cell system and vehicle using the same | |
| CN110165245A (en) | Fuel cell thermal management method and system based on semiconductor material and phase-change material | |
| CN111055656A (en) | Electric automobile heat storage and cold storage air conditioning system, peak regulation and frequency modulation system and method | |
| CN110285571A (en) | A kind of water heater based on thermoelectric cooler | |
| CN206585026U (en) | Ultralow temperature lithium battery group | |
| CN113623157B (en) | Power generation and energy storage integrated system integrating solar fused salt heat storage and SOFC (solid oxide Fuel cell) and working method | |
| CN112467254B (en) | High-voltage battery heating system and method | |
| CN114361509A (en) | Composite power supply system, control unit and control method | |
| CN113629317A (en) | Photovoltaic energy storage battery cooling system and operation method | |
| CN208767996U (en) | Automobile-used thermo-electric generation system and vehicle with the automobile-used thermo-electric generation system | |
| CN109488483B (en) | Vehicle heat exchange system | |
| CN102354764A (en) | Energy supply system and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |