CN114427758B - Solar energy supply system and working method thereof - Google Patents
Solar energy supply system and working method thereof Download PDFInfo
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- CN114427758B CN114427758B CN202210107719.XA CN202210107719A CN114427758B CN 114427758 B CN114427758 B CN 114427758B CN 202210107719 A CN202210107719 A CN 202210107719A CN 114427758 B CN114427758 B CN 114427758B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fluid Mechanics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of solar energy production equipment, and aims to provide a solar energy supply system and a working method thereof. The solar energy supply system comprises a photovoltaic module, a direct current combiner box, a grid-connected inverter and a storage battery which are electrically connected in sequence; the solar energy supply system further comprises a battery liquid cooling plate and a battery heat exchange system, the battery liquid cooling plate is paved on the outer surface of the storage battery, a liquid inlet of the battery heat exchange system is communicated with a liquid outlet of the battery liquid cooling plate, a liquid outlet of the battery heat exchange system is communicated with a liquid inlet of the battery liquid cooling plate, the battery heat exchange system is used for refrigerating liquid in the battery liquid cooling plate when the temperature of the storage battery is greater than the maximum threshold value, and the battery heat exchange system is further used for heating the liquid in the battery liquid cooling plate when the temperature of the storage battery is less than the minimum threshold value. The invention can improve the charge and discharge efficiency of the storage battery and can enhance the service life and performance of the solar energy supply system.
Description
Technical Field
The invention relates to the technical field of solar energy production equipment, in particular to a solar energy supply system and a working method thereof.
Background
Along with the development of economy and the continuous reinforcement of scientific technology, new energy technology is coming into the spotlight of rapid development. In the development of power systems, wind power generation is no longer the only one, solar photovoltaic power generation has become a technical form of preferential development of power generation enterprises, and especially after the '3060' target is put forward, the installed capacity of photovoltaic power generation is larger and larger, and the specific gravity of the photovoltaic power generation in an energy structure is higher and higher. However, solar energy is an intermittent energy source, is greatly influenced by environment and climate, has uncertainty in output power of a photovoltaic power generation system, and has impact on the stability and safety of electric energy quality of a power grid after grid connection; meanwhile, the operation of the photovoltaic power generation system is limited by the illumination time, which is greatly discounted in the reliability and the persistence of the power supply. Therefore, in the operation process of the photovoltaic power generation system, an energy storage device with a certain capacity is generally configured to ensure the power quality of power supply of the photovoltaic power generation system, and meanwhile, the reliability, the stability and the safety of the system are ensured.
In the prior art, the photovoltaic power generation system can continuously charge the energy storage device in the daytime, the energy storage device can externally supply power during the peak of power load, and the energy storage device can also be used as an emergency power supply for supplying power to a user when a power grid fails. However, in using the prior art, the inventors found that there are at least the following problems in the prior art: the charge and discharge efficiency of the storage battery in the energy storage device is greatly influenced by the ambient temperature, and the charge and discharge efficiency of the storage battery in the energy storage device is highest only in a certain temperature range, and the charge and discharge efficiency of the storage battery is lower in a colder or hotter ambient temperature, so that the service lives and performances of the storage battery and the photovoltaic power generation system are seriously influenced.
Disclosure of Invention
The invention aims to solve the technical problems at least to a certain extent, and provides a solar energy supply system and a working method thereof.
The technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a solar energy supply system, comprising a photovoltaic assembly, a direct current combiner box, a grid-connected inverter and a storage battery which are electrically connected in sequence; the solar energy supply system further comprises a battery liquid cooling plate and a battery heat exchange system, the battery liquid cooling plate is paved on the outer surface of the storage battery, a liquid inlet of the battery heat exchange system is communicated with a liquid outlet of the battery liquid cooling plate, a liquid outlet of the battery heat exchange system is communicated with a liquid inlet of the battery liquid cooling plate, the battery heat exchange system is used for refrigerating liquid in the battery liquid cooling plate when the temperature of the storage battery is greater than the maximum threshold value, and the battery heat exchange system is further used for heating the liquid in the battery liquid cooling plate when the temperature of the storage battery is less than the minimum threshold value.
The invention can improve the charge and discharge efficiency of the storage battery and can enhance the service life and performance of the solar energy supply system. Specifically, in the use process, the photovoltaic modules can convert solar energy into direct current, then the direct current combiner box orderly connects and combines the photovoltaic modules, then the direct current output by the direct current combiner box is converted into alternating current through the grid-connected inverter, and then the alternating current is stored in the storage battery pack so as to supply power to a user; in the process, as the battery liquid cooling plate is paved on the outer surface of the storage battery, when the temperature of the storage battery is larger than the maximum threshold value or smaller than the minimum threshold value, the liquid in the battery liquid cooling plate can be refrigerated or heated through the battery heat exchange system, so that the temperature of the storage battery is kept in a proper temperature range, the charge and discharge efficiency of the storage battery is conveniently improved, and the service life and the performance of the solar energy supply system are conveniently prolonged.
In one possible design, the battery heat exchange system comprises a refrigerant circulation system, and a first water pump, a first check valve, a first switch valve, a first regulating valve and a second regulating valve which are sequentially communicated, wherein a liquid inlet of the first water pump is a liquid inlet of the battery heat exchange system, and a liquid outlet of the second regulating valve is a liquid outlet of the battery heat exchange system; the refrigerant circulation system comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated through a refrigerant pipe, and a first liquid guide pipe positioned at a liquid outlet of the first regulating valve is communicated with a liquid pipe in the evaporator.
In one possible design, the battery heat exchange system further includes a second on-off valve, a third regulating valve, a second check valve, a second water pump, and a third check valve, and the refrigerant circulation system further includes a fan; the third governing valve intercommunication sets up between first governing valve and second governing valve, the liquid outlet of third governing valve still loops through second check valve, second water pump, third check valve and second ooff valve and the feed liquor mouth intercommunication setting of first governing valve based on the second catheter, the fan sets up in second catheter department.
In one possible design, the battery heat exchange system further comprises a third switch valve, a third water pump and a fourth check valve which are sequentially communicated, wherein a liquid inlet of the third switch valve is a cooling water liquid inlet, a liquid outlet of the fourth check valve is a cooling water liquid outlet, the cooling water liquid inlet and the cooling water liquid outlet are all communicated with ground source water, and a liquid outlet of the fourth check valve is communicated with a liquid pipe in the condenser through a third liquid guide pipe.
In one possible design, the battery heat exchange system further comprises a first check valve, a fourth on-off valve, a plate heat exchanger, a fifth check valve, and a make-up tank; the liquid outlet of the first check valve is communicated with the liquid inlet of a liquid pipe in the plate heat exchanger through a fourth switch valve, and the liquid outlet of the liquid pipe in the plate heat exchanger is communicated with the liquid inlet of the battery liquid cooling plate; the fifth check valve and the water supplementing tank are sequentially communicated, and a liquid outlet of the water supplementing tank is communicated with a heat exchange tube in the plate heat exchanger.
In one possible design, the battery heat exchange system further comprises a water storage tank, a first three-way valve and a fifth switch valve, wherein a liquid outlet of the heat exchange tube in the plate heat exchanger is communicated with a liquid inlet of the first three-way valve, a water draining pipe is arranged in a first liquid outlet of the first three-way valve in a communicated mode, a second liquid outlet of the first three-way valve is arranged in a second liquid outlet of the first three-way valve in a communicated mode with the liquid inlet of the water storage tank, and the fifth switch valve is arranged in a liquid outlet of the water storage tank in a communicated mode.
In one possible design, the battery heat exchange system further comprises a second three-way valve and a water heater; the liquid outlet of the water heater is communicated with the liquid inlet of the second three-way valve, the first liquid outlet of the second three-way valve is communicated with the liquid inlet of the water supplementing tank, and the second liquid outlet of the second three-way valve is communicated with the liquid inlet of the water storage tank.
In one possible design, the solar energy supply system further comprises a direct current power distribution cabinet, wherein an input end of the direct current power distribution cabinet is electrically connected with the direct current combiner box, an output end of the direct current power distribution cabinet is electrically connected with an input end of the grid-connected inverter, and a direct current charging pile is further electrically connected with the output end of the direct current power distribution cabinet.
In one possible design, the solar energy supply system further includes an ac power distributor, an input end of the ac power distributor is electrically connected with an output end of the grid-connected inverter, the output end of the ac power distributor is further electrically connected with an ac power grid through a step-up transformer and a high-voltage power distribution cabinet in sequence, and the output end of the ac power distributor is further connected with a user terminal and an ac charging pile.
In a second aspect, the present invention provides a method of operating a solar energy supply system, comprising:
acquiring temperature data of a storage battery pack;
judging whether the temperature data of the storage battery pack is greater than a maximum threshold value, if so, driving a battery heat exchange system to refrigerate liquid in a battery liquid cooling plate; if not, entering the next step;
and judging whether the temperature data of the storage battery pack is smaller than a minimum threshold value, if so, driving the battery heat exchange system to heat the liquid in the battery liquid cooling plate, and if not, stopping the operation.
Drawings
Fig. 1 is a block diagram of a solar energy supply system according to the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and to specific embodiments.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, B exists alone, and three cases of A and B exist simultaneously.
It should be appreciated that in some alternative embodiments, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may in fact be executed substantially concurrently or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
Example 1:
as shown in fig. 1, a solar energy supply system disclosed in this embodiment may include, but is not limited to, a photovoltaic module, a dc combiner box, a grid-connected inverter, and a storage battery that are electrically connected in sequence; the solar energy supply system further comprises a battery liquid cooling plate and a battery heat exchange system, the battery liquid cooling plate is paved on the outer surface of the storage battery, a liquid inlet of the battery heat exchange system is communicated with a liquid outlet of the battery liquid cooling plate, a liquid outlet of the battery heat exchange system is communicated with a liquid inlet of the battery liquid cooling plate, the battery heat exchange system is used for refrigerating liquid in the battery liquid cooling plate when the temperature of the storage battery is greater than the maximum threshold value, and the battery heat exchange system is further used for heating the liquid in the battery liquid cooling plate when the temperature of the storage battery is less than the minimum threshold value.
The embodiment can improve the charge and discharge efficiency of the storage battery pack and can prolong the service life and performance of the solar energy supply system. Specifically, in the use process of the embodiment, the photovoltaic modules can convert solar energy into direct current, then the direct current combiner box orderly connects and combines the plurality of photovoltaic modules, then the direct current output by the direct current combiner box is converted into alternating current through the grid-connected inverter, and then the alternating current is stored in the storage battery pack so as to supply power to a user; in the process, as the battery liquid cooling plate is paved on the outer surface of the storage battery, when the temperature of the storage battery is larger than the maximum threshold value or smaller than the minimum threshold value, the liquid in the battery liquid cooling plate can be refrigerated or heated through the battery heat exchange system, so that the temperature of the storage battery is kept in a proper temperature range, the charge and discharge efficiency of the storage battery is conveniently improved, and the service life and the performance of the solar energy supply system are conveniently prolonged.
In this embodiment, be provided with heat conduction silica gel between battery liquid cooling board and the storage battery to in order to protect the storage battery, avoid the battery when the storage battery overheated colder liquid in the battery liquid cooling board or the battery when the battery supercools hotter liquid in the battery liquid cooling board directly with the storage battery take place unusual problem with the storage battery internal components and parts that the storage battery assembled and caused.
It should be noted that, in this embodiment, the battery liquid cooling plate is laid on the outer surface of the electric core in the battery pack, so that the temperature adjusting effect of the battery liquid cooling plate on the battery pack can be improved, and the heat-conducting silica gel is correspondingly disposed between the battery liquid cooling plate and the electric core, which is not repeated herein.
Specifically, in this embodiment, the photovoltaic modules may be arranged in multiple groups according to the location of the project, and the photovoltaic modules are arranged at the side slope, the shed, the roof, or the like, that is, the side slope photovoltaic, the shed photovoltaic, the roof photovoltaic, or the like, so as to meet different use requirements of users; in the use process, corresponding direct current junction boxes, power distribution cabinets and the like can be configured according to the arrangement positions of the photovoltaic modules, output voltage, capacity and other parameters; the controller can be configured according to load requirements, and can be electrically connected with a plurality of components in the solar energy supply system, such as a plurality of components in the battery heat exchange system, so that a user can control output voltage through the controller according to different requirements to control the battery heat exchange system to perform refrigeration or heating operation on liquid in the battery liquid cooling plate; meanwhile, according to the voltage class requirements of the grid-connected point, equipment such as a grid-connected inverter, an alternating current distributor, a step-up transformer, a high-voltage distributor and the like is configured, wherein the grid-connected inverter has the functions of power regulation, grid-connected protection and the like; the capacity of the storage battery pack can be prepared according to the output voltage, capacity, user load and other parameters of the selected photovoltaic module.
In this embodiment, the controller may be implemented by, but not limited to, a single chip microcomputer with a model number of STM32F103RCT6, where STM32F103C8T6 is an ST (schematic semiconductor) and pushes out a core STM32F4 series high performance microcontroller, which uses a 90 nm NVM process and an ART (adaptive real-time memory accelerator), where the ART technology makes the program wait for execution, improves the efficiency of program execution, and exerts the performance of cortex-M4 to the greatest extent, so that STM32F4 series can reach 210dmips@168mhz. Meanwhile, the STM32F4 series microcontroller integrates single-cycle DSP (Digital Signal Processing ) instructions and FPUs (floating point unit, floating point units), improves the computing capacity and can perform some complex computation and control.
In the prior art, the energy consumption types of the end users comprise various energy forms such as electricity, heat, cold, domestic hot water and the like, the energy quality of the energy forms is different, and a certain amount of energy loss is caused by conversion and transportation between the energy. Considering the distance between the end user and the centralized energy station, meeting the energy requirements of the end user requires the implementation of engineering projects such as pipeline laying, cable laying and the like, a great deal of engineering cost can be generated, and a great deal of energy waste can be caused in the process of long-distance energy transmission. To solve the problem of the balanced supply of various energy sources, the present embodiment further makes the following improvements:
in this embodiment, the battery heat exchange system includes a refrigerant circulation system, and a first water pump P1, a first check valve 1#, a first switch valve 3#, a first regulating valve 6# and a second regulating valve 9# that are sequentially communicated based on a first liquid guiding pipe, a liquid inlet of the first water pump P1 is a liquid inlet of the battery heat exchange system, a liquid outlet of the second regulating valve 9# is a liquid outlet of the battery heat exchange system, that is, the liquid inlet of the first water pump P1 is communicated with the liquid outlet of the battery liquid cooling plate, and the liquid outlet of the second regulating valve 9# is communicated with the liquid inlet of the battery liquid cooling plate; the refrigerant circulation system comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated through a refrigerant conduit, and a first liquid guide pipe positioned at a liquid outlet of the first regulating valve 6# is communicated with a liquid pipe in the evaporator. The liquid pipe in the evaporator is disposed adjacent to the refrigerant pipe in the evaporator, so that the refrigerant in the refrigerant pipe in the evaporator cools or heats the liquid in the liquid pipe. It should be noted that, the arrangement of the first check valve 1# can avoid the liquid in the first liquid guiding tube from flowing back to the battery liquid cooling plate, thereby ensuring the stable flow of the liquid in the first liquid guiding tube and avoiding the damage of the first water pump P1 caused by the reverse impact of the liquid.
In this embodiment, the evaporator, the compressor, the condenser and the electronic expansion valve are communicated through a refrigerant conduit to form a refrigerant circulation system; when the liquid in the battery liquid cooling plate is required to be cooled, the evaporator can cool the liquid in the battery liquid cooling plate entering the evaporator from the first liquid guide pipe and the liquid pipe of the evaporator based on the refrigerant in the evaporator, and the cooled liquid flows back into the battery liquid cooling plate through the first liquid guide pipe after being obtained, so that the battery liquid cooling plate can conveniently dissipate heat of the storage battery pack; the low-temperature low-pressure gaseous refrigerant obtained after absorbing the heat in the liquid in the evaporator is sent into the compressor for compression so as to obtain high-temperature high-pressure gaseous refrigerant; then, the compressor sends the high-temperature high-pressure refrigerant into the condenser for treatment, and the refrigerant can condense and release heat in the condenser to obtain low-temperature high-pressure liquid refrigerant; and finally, the liquid refrigerant obtained by the condenser can flow back to the evaporator after being throttled and depressurized by the electronic expansion valve, so that the evaporator further refrigerates the liquid in the battery liquid cooling plate, and the refrigeration of the liquid in the battery liquid cooling plate and the circulation process of the refrigerant are realized. When the liquid in the battery liquid cooling plate needs to be heated, the refrigerant in the refrigerant guide pipe runs reversely, so that the liquid in the battery liquid cooling plate can be heated, and the details are omitted here.
In this embodiment, the battery heat exchange system further includes a second switching valve 4#, a third regulating valve 8#, a second check valve 7#, a second water pump P2, and a third check valve 5#, and the refrigerant circulation system further includes a fan; the third governing valve 8# is communicated and is arranged between the first governing valve 6# and the second governing valve 9#, the liquid outlet of the third governing valve 8# is communicated and arranged with the liquid inlet of the first governing valve 6# based on the second liquid guiding pipe and sequentially through the second check valve 7# and the second water pump P2, the third check valve 5# and the second switching valve 4# and the fan is arranged at the second liquid guiding pipe. In the operation process of the refrigerant circulation system, the water in the first liquid guide pipe can flow into the second liquid guide pipe after being cooled or heated by the evaporator, and cold air or hot air at the second liquid guide pipe is blown into a room through the action of the fan, so that the reutilization of liquid in the battery liquid cooling plate is realized. It should be understood that a fan may be disposed at the evaporator to blow cool air or hot air near the evaporator into the room, so as to cool or heat the room, which is not described herein.
In this embodiment, the liquid outlets of the first switch valve 3# and the second switch valve 4# are all communicated with each other and are provided with a water collection tank, and the water outlet of the water collection tank is communicated with the water inlet of the first regulating valve 6#. It should be noted that, the water collection tank can store the liquid flowing out of the battery liquid cooling plate through the first liquid guiding pipe and the liquid flowing out of the second liquid guiding pipe, so as to avoid the problems of water seepage of the first pipe and/or the second pipe, damage to components on the first pipe and/or the second pipe caused by liquid siltation in the first pipe and/or the second pipe when the battery heat exchange system is not in operation.
In this embodiment, battery heat transfer system still includes the third ooff valve 13# that communicates in proper order based on the third catheter and sets up, third water pump P3 and fourth check valve 12#, the inlet of third ooff valve 13# is the cooling water inlet, the liquid outlet of fourth check valve 12# is the cooling water liquid outlet, cooling water inlet and cooling water liquid outlet all communicate and are provided with the source water, the liquid outlet of fourth check valve 12# is through the liquid pipe intercommunication setting in third catheter and the condenser. The liquid pipe in the condenser is arranged adjacent to the refrigerant pipe in the condenser, so that the refrigerant in the refrigerant pipe in the condenser can conduct condensation heat release and other operations on the liquid in the liquid pipe. In this embodiment, the ground source water forms the cooling water of the condenser, and the third switch valve 13#, the third water pump P3, the fourth check valve 12# and the third liquid guide tube are used for driving the cooling water to flow into the condenser, so that the water resource can be recycled, and the energy is saved.
In this embodiment, the battery heat exchange system further includes a first check valve 1#, a fourth switch valve 2#, a plate heat exchanger, a fifth check valve 10# and a water replenishing tank; the first check valve 1# is arranged between the first water pump P1 and the first regulating valve 6#, namely, a liquid inlet of the first check valve 1# is communicated with a liquid outlet of the first water pump P1, a liquid outlet of the first check valve 1# is communicated with a liquid inlet of the first regulating valve 6# and is communicated with a liquid inlet of a liquid pipe in the plate heat exchanger through a fourth switch valve 2#, and a liquid outlet of the liquid pipe in the plate heat exchanger is communicated with a liquid inlet of the battery liquid cooling plate; the fifth check valve 10# and the water supplementing tank are sequentially communicated and arranged based on the fourth liquid guide pipe, and a liquid outlet of the water supplementing tank is communicated and arranged with a heat exchange pipe in the plate heat exchanger. It should be understood that the liquid flowing into the plate heat exchanger from the water replenishing tank can flow out through the liquid outlet of the heat exchange tube in the plate heat exchanger; in this embodiment, the user may fill the water tank with hot water or cold water through the fourth liquid guide tube, so that the heat exchange tube of the plate heat exchanger performs heating or cooling operation on the liquid flowing through the liquid tube in the plate heat exchanger.
In this embodiment, the battery heat exchange system further includes a water storage tank, a first three-way valve 14# and a fifth switch valve 11#, a liquid outlet of the heat exchange tube in the plate heat exchanger is communicated with a liquid inlet of the first three-way valve 14#, a first liquid outlet of the first three-way valve 14# is communicated with a drain pipe, a second liquid outlet of the first three-way valve 14# is communicated with a liquid inlet of the water storage tank, and a liquid outlet of the water storage tank is communicated with the fifth switch valve 11#. The liquid which enters the water supplementing tank through the fifth check valve 10# and exchanges heat with the liquid in the battery liquid cooling plate in the plate heat exchanger can be discharged through a drain pipe or stored in the water storage tank, and a user can control the opening and closing of the fifth switch valve 11# so as to reutilize cold water or hot water in the water storage tank.
In this embodiment, the battery heat exchange system further includes a second three-way valve 15# and a water heater; the liquid outlet of the water heater is communicated with the liquid inlet of the second three-way valve 15#, the first liquid outlet of the second three-way valve 15# is communicated with the liquid inlet of the water supplementing tank, and the second liquid outlet of the second three-way valve 15# is communicated with the liquid inlet of the water storage tank. It should be noted that, the hot water in the water replenishing tank can be further replenished with hot water through the water heater, in this embodiment, the liquid inlet of the fifth check valve 10# is communicated with the tap water pipeline, so that cold water replenishing can be performed through the pipeline at the position of the fifth check valve 10#, meanwhile, hot water replenishing can be directly performed in the water storage tank through the water heater, and the water replenishing tank is convenient for a user to control, and meanwhile, the user can directly use the hot water stored in the water storage tank after flowing out through the water heater.
It should be understood that in this embodiment, the water heater may be, but is not limited to, a solar water heater and an electric water heater, and in this embodiment, the water heater adopts the solar water heater and the electric water heater at the same time, and the liquid outlets of the solar water heater and the electric water heater are all communicated with the liquid inlet of the second three-way valve 15 #.
In this embodiment, be provided with water level collection system in the storage water tank, water level collection system is connected with the controller electricity for acquire the water level data in the storage water tank, so that carry out the operation of automatic water or moisturizing to the storage water tank, thereby be convenient for the user in time use hot water.
In this embodiment, the solar energy supply system further includes a dc power distribution cabinet, an input end of the dc power distribution cabinet is electrically connected with the dc combiner box, an output end of the dc power distribution cabinet is electrically connected with an input end of the grid-connected inverter, and an output end of the dc power distribution cabinet is further electrically connected with a dc charging pile. It should be noted that, the plurality of photovoltaic modules all convert light energy into direct current, then flow into the direct current power distribution cabinet through the direct current collection box in a unified way, the direct current power distribution cabinet can output the direct current after the processing such as filtering, steady voltage to the direct current fills electric pile to supply equipment such as direct current electric automobile to use that needs direct current. In this embodiment, the direct current collection flow box can guarantee that a plurality of photovoltaic modules are connected in order and are converged, and it can guarantee that solar energy supply system easily cuts off the circuit when maintaining, when solar energy supply system breaks down, reduces the scope of having a power failure.
In this embodiment, the solar energy supply system further includes an ac power distributor, an input end of the ac power distributor is electrically connected with an output end of the grid-connected inverter, an output end of the ac power distributor is electrically connected with an ac power grid sequentially through a step-up transformer and a high-voltage power distribution cabinet, and an output end of the ac power distributor is further connected with a user terminal and an ac charging pile. In this embodiment, the grid-connected inverter is configured to convert the dc power output by the dc power distribution cabinet into ac power synchronized with the frequency and phase of the utility power, and sequentially output the ac power to the ac power grid through the ac power distributor, the step-up transformer and the high-voltage power distribution cabinet; the ac distributor is used to connect power source, transformer, converter, and loads such as user terminal and ac charging pile, and to monitor and protect the solar energy supply system, and has control functions of switching on/off and switching over between power source and various loads to realize prescribed operation modes. In this embodiment, the user terminal may be an apparatus using ac power, such as an electric lamp, a desk lamp, or a household appliance, and the ac charging stake is used for an apparatus requiring ac power, such as an ac electric vehicle.
In this embodiment, the solar energy supply system further includes a monitoring device, and the monitoring device is electrically connected to the grid-connected inverter. In this embodiment, the monitoring device has the functions of monitoring whether the grid-connected inverter operates normally and displaying monitoring data, so that a user can control the solar energy supply system in time when abnormal display information of the monitoring device occurs, and the safety of the solar energy supply system in the operating process can be improved.
In this embodiment, the solar energy supply system further includes a temperature collecting device, the temperature collecting device is disposed in the battery pack, and the temperature collecting device is electrically connected with the controller, so as to obtain temperature data of the battery pack, so as to perform cooling or heating operation on the battery pack.
The solar energy supply system in the embodiment is designed aiming at the problem that the solar energy heat and the waste heat in the energy conversion process are difficult to fully utilize in the configuration of the prior art, can fully utilize solar energy and system waste heat resources, can realize cascade utilization of energy sources, and is mainly suitable for independent end users such as high-speed service areas and the like. Specifically, the invention can fully utilize solar energy resources and waste heat of an energy supply system to provide various energy sources such as electricity, cold, heat, domestic hot water and the like for terminal users, thereby being convenient for realizing cascade utilization of the energy sources, being capable of providing various energy source forms for independent terminal users such as high-speed service areas and the like, and having important practical significance; meanwhile, the system can flexibly adjust the operation mode according to the load demand, and the energy storage device is maintained to operate at the temperature with the highest charge and discharge efficiency, so that the heat conversion efficiency of the whole engineering system is maximized, and finally the purposes of energy saving, consumption reduction and low carbon operation are achieved; in addition, the invention can be arranged close to the user side, avoids energy loss and engineering implementation cost caused by long-distance transmission, has flexible system operation, and is easy to meet peak regulation requirements; in addition, the photovoltaic power generation system and the energy storage device are used as main components, so that the reliability, stability and safety of energy supply can be ensured in the running process of the system, and the purposes of energy conservation and consumption reduction can be achieved.
Example 2:
the embodiment provides a working method of a solar energy supply system, which comprises the following steps:
acquiring temperature data of a storage battery pack;
judging whether the temperature data of the storage battery pack is greater than a maximum threshold value, if so, driving a battery heat exchange system to refrigerate liquid in a battery liquid cooling plate; if not, entering the next step;
and judging whether the temperature data of the storage battery pack is smaller than a minimum threshold value, if so, driving the battery heat exchange system to heat the liquid in the battery liquid cooling plate, and if not, stopping the operation.
In this embodiment, drive battery heat transfer system refrigerates the liquid in the battery liquid cooling board, include:
judging whether a refrigerating function of the refrigerant circulation system is operated, if so, judging that a user has an air conditioner refrigerating requirement, driving a first water pump P1 to operate, and driving a first check valve 1#, a first switch valve 3#, a first regulating valve 6# and a second regulating valve 9# to open, wherein at the moment, a first liquid guide pipe can guide liquid in a battery liquid cooling plate into a liquid pipe of an evaporator, and refrigerating the liquid in the liquid pipe based on the refrigerant in a refrigerant pipe in the evaporator, namely refrigerating the liquid in the battery liquid cooling plate; if not, entering the next step;
the first water pump P1 is driven to operate, the first check valve 1#, the fourth switch valve 2# and the fifth check valve 10# are driven to open, external cold water is driven to flow into the plate heat exchanger through the water supplementing tank, at the moment, liquid in the battery liquid cooling plate can be led into the plate heat exchanger, and liquid in the liquid pipe in the plate heat exchanger is refrigerated based on the heat exchange pipe in the plate heat exchanger, namely the liquid in the battery liquid cooling plate is refrigerated.
In this embodiment, drive battery heat transfer system heats the liquid in the battery liquid cooling board, include:
judging whether a heating function of the refrigerant circulation system is operated, if so, judging that a user has an air conditioning heating requirement, driving a first water pump P1 to operate, and driving a first check valve 1#, a first switch valve 3#, a first regulating valve 6# and a second regulating valve 9# to open, wherein at the moment, a first liquid guide pipe can guide liquid in a battery liquid cooling plate into a liquid pipe of an evaporator, and heating the liquid in the liquid pipe based on the refrigerant in a refrigerant pipe in the evaporator, namely heating the liquid in the battery liquid cooling plate; if not, entering the next step;
the first water pump P1 is driven to operate, the first check valve 1#, the fourth switch valve 2# and the fifth check valve 10# are driven to open, external hot water or hot water in the water heater is driven to flow into the plate heat exchanger through the water supplementing tank, at the moment, liquid in the battery liquid cooling plate can be led into the plate heat exchanger, and liquid in the liquid pipe in the plate heat exchanger is heated based on the heat exchange pipe in the plate heat exchanger, namely, the liquid in the battery liquid cooling plate is heated.
In this embodiment, the working method of the solar energy supply system further includes:
acquiring water level data of a water storage tank;
judging whether the water level data is greater than the maximum water level, if so, controlling the first liquid outlet of the first three-way valve 14# to be communicated with the liquid inlet of the first three-way valve 14# so as to discharge redundant water in the water storage tank to the outside through the first liquid outlet of the first three-way valve 14#, thereby realizing the technical effect of automatic water discharge, and if not, entering the next step;
judging whether the water level data is smaller than the minimum water level, if so, entering the next step, and if not, not acting;
judging whether the solar water heater is operated, if so, controlling the liquid inlet of the second three-way valve 15# to be conducted with the second liquid outlet of the second three-way valve 15# so as to lead hot water in the solar water heater into the water storage tank through the second three-way valve 15#, otherwise, controlling the electric water heater to operate, and controlling the liquid inlet of the second three-way valve 15# to be conducted with the second liquid outlet of the second three-way valve 15# so as to lead the hot water in the electric water heater into the water storage tank through the second three-way valve 15# until the hot water in the water storage tank is between the minimum water level and the maximum water level, thereby avoiding the problem of insufficient hot water when a user needs to use the hot water.
It will be apparent to those skilled in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by computing devices, such that they may be stored in a memory device for execution by the computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Finally, it should be noted that the invention is not limited to the alternative embodiments described above, but can be used by anyone in various other forms of products in the light of the present invention. The above detailed description should not be construed as limiting the scope of the invention, which is defined in the claims and the description may be used to interpret the claims.
Claims (4)
1. A solar energy supply system, characterized by: the photovoltaic power generation system comprises a photovoltaic module, a direct current combiner box, a grid-connected inverter and a storage battery pack which are electrically connected in sequence; the solar energy supply system further comprises a battery liquid cooling plate and a battery heat exchange system, the battery liquid cooling plate is paved on the outer surface of the storage battery, a liquid inlet of the battery heat exchange system is communicated with a liquid outlet of the battery liquid cooling plate, a liquid outlet of the battery heat exchange system is communicated with a liquid inlet of the battery liquid cooling plate, the battery heat exchange system is used for refrigerating liquid in the battery liquid cooling plate when the temperature of the storage battery is higher than a maximum threshold value, and the battery heat exchange system is further used for heating liquid in the battery liquid cooling plate when the temperature of the storage battery is lower than a minimum threshold value;
the battery heat exchange system comprises a refrigerant circulation system, a first water pump (P1), a first check valve (1#), a first switch valve (3#), a first regulating valve (6#) and a second regulating valve (9#) which are sequentially communicated, wherein a liquid inlet of the first water pump (P1) is a liquid inlet of the battery heat exchange system, and a liquid outlet of the second regulating valve (9#) is a liquid outlet of the battery heat exchange system; the refrigerant circulation system comprises an evaporator, a compressor, a condenser and an electronic expansion valve which are sequentially communicated through a refrigerant conduit, and a first liquid guide pipe positioned at a liquid outlet of the first regulating valve (No. 6) is communicated with a liquid pipe in the evaporator;
the battery heat exchange system further comprises a second switch valve (4#), a third regulating valve (8#), a second check valve (7#), a second water pump (P2) and a third check valve (5#), and the refrigerant circulation system further comprises a fan; the third regulating valve (8#) is communicated between the first regulating valve (6#) and the second regulating valve (9#), a liquid outlet of the third regulating valve (8#) is communicated with a liquid inlet of the first regulating valve (6#) through the second check valve (7#), the second water pump (P2), the third check valve (5#) and the second switching valve (4#) in sequence based on the second liquid guide pipe, and the fan is arranged at the second liquid guide pipe;
the battery heat exchange system further comprises a third switch valve (13#), a third water pump (P3) and a fourth check valve (12#) which are sequentially communicated, wherein a liquid inlet of the third switch valve (13#) is a cooling water liquid inlet, a liquid outlet of the fourth check valve (12#) is a cooling water liquid outlet, the cooling water liquid inlet and the cooling water liquid outlet are both communicated and provided with ground source water, and a liquid outlet of the fourth check valve (12#) is communicated and arranged with a liquid pipe in the condenser through a third liquid guide pipe;
the battery heat exchange system also comprises a first check valve (1#), a fourth switch valve (2#), a plate heat exchanger, a fifth check valve (10#) and a water supplementing tank; the first check valve (1#) is arranged between the first water pump (P1) and the first regulating valve (6#), the liquid outlet of the first check valve (1#) is communicated with the liquid inlet of the liquid pipe in the plate heat exchanger through the fourth switch valve (2#), and the liquid outlet of the liquid pipe in the plate heat exchanger is communicated with the liquid inlet of the battery liquid cooling plate; the fifth check valve (10#) and the water supplementing tank are sequentially communicated, and a liquid outlet of the water supplementing tank is communicated with a heat exchange pipe in the plate heat exchanger;
the battery heat exchange system further comprises a water storage tank, a first three-way valve (14#) and a fifth switch valve (11#), wherein a liquid outlet of a heat exchange tube in the plate heat exchanger is communicated with a liquid inlet of the first three-way valve (14#), a water drainage pipe is arranged in communication with a first liquid outlet of the first three-way valve (14#), a second liquid outlet of the first three-way valve (14#) is communicated with a liquid inlet of the water storage tank, and a fifth switch valve (11#) is arranged in communication with a liquid outlet of the water storage tank;
the battery heat exchange system also comprises a second three-way valve (15#) and a water heater; the liquid outlet of the water heater is communicated with the liquid inlet of a second three-way valve (15#), the first liquid outlet of the second three-way valve (15#) is communicated with the liquid inlet of the water supplementing tank, and the second liquid outlet of the second three-way valve (15#) is communicated with the liquid inlet of the water storage tank;
driving the battery heat exchange system to refrigerate the liquid in the battery liquid cooling plate, comprising:
judging whether the refrigerating function of the refrigerant circulation system is operated, if so, judging that a user has an air conditioner refrigerating requirement, driving a first water pump (P1) to operate, and driving a first check valve (1#), a first switch valve (3#), a first regulating valve (6#) and a second regulating valve (9#) to open; if not, driving the first water pump (P1) to operate, driving the first check valve (1#), the fourth switch valve (2#) and the fifth check valve (10#) to open, and driving external cold water to flow into the plate heat exchanger through the water supplementing tank;
driving the battery heat exchange system to heat the liquid in the battery liquid cooling plate, comprising:
judging whether the heating function of the refrigerant circulation system is operated, if so, judging that a user has an air conditioning heat requirement, driving a first water pump (P1) to operate, and driving a first check valve (1#), a first switch valve (3#), a first regulating valve (6#) and a second regulating valve (9#) to open; if not, the first water pump (P1) is driven to operate, the first check valve (1#), the fourth switch valve (2#) and the fifth check valve (10#) are driven to open, and external hot water or hot water in the water heater is driven to flow into the plate heat exchanger through the water supplementing tank.
2. A solar energy supply system according to claim 1, wherein: the solar energy supply system further comprises a direct current power distribution cabinet, the input end of the direct current power distribution cabinet is electrically connected with the direct current combiner box, the output end of the direct current power distribution cabinet is electrically connected with the input end of the grid-connected inverter, and the output end of the direct current power distribution cabinet is electrically connected with a direct current charging pile.
3. A solar energy supply system according to claim 1, wherein: the solar energy supply system further comprises an alternating current distributor, the input end of the alternating current distributor is electrically connected with the output end of the grid-connected inverter, the output end of the alternating current distributor is electrically connected with an alternating current power grid through a step-up transformer and a high-voltage power distribution cabinet in sequence, and the output end of the alternating current distributor is also connected with a user terminal and an alternating current charging pile.
4. A method of operating a solar energy supply system as claimed in any one of claims 1 to 3, wherein: comprising the following steps:
acquiring temperature data of a storage battery pack;
judging whether the temperature data of the storage battery pack is greater than a maximum threshold value, if so, driving a battery heat exchange system to refrigerate liquid in a battery liquid cooling plate; if not, entering the next step;
and judging whether the temperature data of the storage battery pack is smaller than a minimum threshold value, if so, driving the battery heat exchange system to heat the liquid in the battery liquid cooling plate, and if not, stopping the operation.
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| CN114909739A (en) * | 2022-05-12 | 2022-08-16 | 国能信控互联技术有限公司 | Energy storage cold plate residual heat parallel recycling system and control method thereof |
| CN117168205A (en) * | 2023-10-24 | 2023-12-05 | 广东美控电子科技有限公司 | Cold and hot energy storage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209904579U (en) * | 2019-01-16 | 2020-01-07 | 华北理工大学 | Multi-energy complementary power battery thermal management system |
| CN111219769A (en) * | 2020-03-10 | 2020-06-02 | 中国科学院工程热物理研究所 | Dual-mode energy supply system |
| CN111934054A (en) * | 2020-08-17 | 2020-11-13 | 博阳能源科技有限公司 | Solar generator with battery thermal management system |
| CN112208295A (en) * | 2020-09-22 | 2021-01-12 | 艾泰斯热***研发（上海）有限公司 | Indirect low-temperature heat pump system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3023195A1 (en) * | 1980-06-18 | 1981-12-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Photovoltaic power supply system - supplies AC mains, using solar generators feeding inverters on bus=bar, coupled to mains commutated inverter |
| CN103532158B (en) * | 2013-10-28 | 2016-01-20 | 浙江南都电源动力股份有限公司 | A kind of micro-grid new energy hybrid energy storage system |
| CN104065338B (en) * | 2014-07-04 | 2016-05-11 | 东南大学 | A kind of solar cell cooling fluid antifreeze with heat utilization device and method |
| US9950638B2 (en) * | 2015-07-10 | 2018-04-24 | Ford Global Technologies, Llc | Preconditioning an electric vehicle |
| US10403946B2 (en) * | 2016-06-14 | 2019-09-03 | Ford Global Technologies, Llc | Battery chiller control with electronic expansion device |
| CN107196013B (en) * | 2017-05-25 | 2019-06-14 | 深圳市国创动力***有限公司 | Commercial vehicle power battery thermal management system |
| KR102429009B1 (en) * | 2017-08-09 | 2022-08-03 | 현대자동차 주식회사 | Heat pump system for vehicle |
| CN208263921U (en) * | 2018-02-09 | 2018-12-21 | 博耐尔汽车电气***有限公司 | New-energy automobile heat management system |
| CN110077285A (en) * | 2019-04-28 | 2019-08-02 | 上海理工大学 | Electric car secondary circuit heat management system |
| CN110497768A (en) * | 2019-08-26 | 2019-11-26 | 上海理工大学 | The new-energy automobile heat pump air conditioning system of integrated three electric heating management |
| CN112498046B (en) * | 2019-09-16 | 2022-06-17 | 杭州三花研究院有限公司 | Thermal management system |
| CN214123922U (en) * | 2021-01-19 | 2021-09-03 | 安徽朔代科技有限公司 | Fuel cell thermal management system |
| CN113212105B (en) * | 2021-06-16 | 2022-03-18 | 广州小鹏汽车科技有限公司 | Thermal management system, control method thereof and vehicle |
-
2022
- 2022-01-28 CN CN202210107719.XA patent/CN114427758B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209904579U (en) * | 2019-01-16 | 2020-01-07 | 华北理工大学 | Multi-energy complementary power battery thermal management system |
| CN111219769A (en) * | 2020-03-10 | 2020-06-02 | 中国科学院工程热物理研究所 | Dual-mode energy supply system |
| CN111934054A (en) * | 2020-08-17 | 2020-11-13 | 博阳能源科技有限公司 | Solar generator with battery thermal management system |
| CN112208295A (en) * | 2020-09-22 | 2021-01-12 | 艾泰斯热***研发（上海）有限公司 | Indirect low-temperature heat pump system |
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| Publication number | Publication date |
|---|---|
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