Charging and battery swapping station, thermal management system and control method, control device and medium
By introducing a heat pump unit and liquid cooling unit into the charging and battery swapping station, the problem of heat management in the charging and battery swapping station has been solved, the temperature control of the power battery and charging equipment has been realized, and the operating efficiency and safety of the equipment have been improved.
Patent Information
- Application Number
- CN202111555432.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-17
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2041-12-17
Smart Images

Figure CN114056147B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of thermal management of a charging and battery swapping station, and specifically provides a charging and battery swapping station, a thermal management system for the charging and battery swapping station, a control method for the thermal management system of the charging and battery swapping station, a control device, and a computer readable storage medium. BACKGROUND
[0002] With the development of the automobile industry, and along with energy and the environment becoming a focus of attention on a global scale, new energy vehicles have been widely popularized. Taking electric vehicles in new energy vehicles as an example, the electric vehicles mainly use power batteries as power sources. Unlike traditional fuel vehicles, power batteries need to be recharged. For example, the power battery recharging methods mainly include charging (charging mainly includes fast charging (30 min at the fastest) and slow charging (6-7 h)) and directly replacing a power battery with a low power level with a power battery with a full power level (battery swapping). A charging and battery swapping station is a recharging mechanism that can provide charging and battery swapping services for electric vehicles.
[0003] Specifically, for battery swapping services, it is difficult to provide direct battery swapping services for all brands of electric vehicles, so charging services are added on the basis of battery swapping services. For example, in a charging and battery swapping station that includes battery swapping services and charging services, a high-power (180 kW or more) charging pile is configured, thereby forming a charging and battery swapping integrated service form to maximize the recharging needs of electric vehicles.
[0004] With the increase in the number of electric vehicles, the service scale of the charging and battery swapping station is gradually increasing, and the high-power charging recharging effect is achieved. The charging frame for recharging the power battery for battery swapping services and the charging pile for recharging the electric vehicle for charging services need to be in a working state for a long time, and therefore the related components in the charging and battery swapping station need to be thermally managed.
[0005] Accordingly, there is a need in the art to solve the above problems with a new technical solution. SUMMARY
[0006] Technical problem
[0007] In order to at least partially solve the above technical problems, and in order to at least partially solve the technical problem of thermally managing the related components in the charging and battery swapping station, the present application is proposed.
[0008] Technical scheme
[0009] In view of the above, the first aspect of the present application provides a heat management system for a charging and swapping station, the charging and swapping station comprising a charging module, a power battery part and a charging terminal, wherein the charging module is electrically connected with the power battery part and the charging terminal, thereby providing electric energy for the power battery part and the charging terminal, the power battery part is capable of providing power compensation service for the power battery received thereby, and the charging terminal is capable of being electrically connected with an electric vehicle arriving at the station, thereby providing power compensation service for the power battery arranged on the electric vehicle, the heat management system comprising: a heat pump unit comprising a compressor, a condenser, a throttling component and an evaporator forming a refrigerant circulation loop; a first liquid cooling unit comprising the charging module and the evaporator forming a first cooling liquid circulation loop; a second liquid cooling unit comprising the power battery part and the evaporator forming a second cooling liquid circulation loop; and a third liquid cooling unit comprising the charging terminal and the evaporator forming a third cooling liquid circulation loop; wherein the first liquid cooling unit and / or the third liquid cooling unit is capable of communicating with the second liquid cooling unit, so as to transfer the heat recovered by the first liquid cooling unit and / or the third liquid cooling unit to the power battery part.
[0010] Through such a configuration, heat management of the charging and swapping station can be achieved by means of liquid cooling.
[0011] The working principle of the heat pump unit is that, as the refrigerant circulates in the loop formed by the compressor-condenser-throttling component-evaporator-compressor, the available cold quantity can be provided on the surface of the evaporator (the surface of the condenser provides available heat), and the throttling component can be a capillary tube, an electronic expansion valve, etc. In the present application, during the heat management of the charging and swapping station, the cold quantity provided by the surface of the evaporator is mainly used.
[0012] Specifically, among the components related to heat in the charging and swapping station, the power battery needs to be constantly in a set temperature range, and therefore there can be two needs of heat supply and heat recovery; the charging terminal (such as a charging pile, etc.) can generate heat inside due to large current during the charging process, and therefore there is a need of heat recovery; the charging module can also have a need of heat recovery due to large current during the power supply for the power battery, similar to the charging terminal.
[0013] In view of the above, the present application first introduces a heat pump unit, and on this basis, three liquid cooling units corresponding to the aforementioned components exchange heat with the evaporator to release cold quantity, thereby achieving heat recovery. Under this premise, as mentioned above, the electric battery can also have a need of heat supply, and therefore a heating component is arranged for the second liquid cooling unit, so as to ensure that the power battery can be constantly in a temperature range matching its performance.
[0014] It can be understood that the specific form of the first / third liquid cooling unit and the communication mode thereof with the second liquid cooling unit can be determined by the person skilled in the art according to actual needs. For example, the first / second / third liquid cooling unit components can be the same or different, the first / second / third liquid cooling units can be independently arranged or partially combined, the first / third liquid cooling units can not exchange heat or exchange heat to some extent, the first / third liquid cooling units can be in communication with the second liquid cooling unit or selectively in communication with the second liquid cooling unit, and the communication mode can be direct communication or indirect communication. For example, the first liquid cooling unit and the third liquid cooling unit are two branches of one total path, the two branches do not exchange heat and both are in communication with the second liquid cooling unit; the first liquid cooling unit includes two water containers, one of which is a water container shared with the third liquid cooling unit, and the other of which is a separately configured water container, and the two water containers are respectively provided with a pump; the first liquid cooling unit and the second liquid cooling unit are directly connected, and the third liquid cooling unit is indirectly connected with the second liquid cooling unit through the first liquid cooling unit (or other newly added pipelines, etc.); and the like.
[0015] For the above-mentioned thermal management system for the charging and battery swapping station, in a possible implementation, at least the second liquid cooling unit is provided with a heating component.
[0016] Through such a configuration, the power battery in the power battery part can be warmed up, so that the power battery can be better kept in a set temperature range.
[0017] It can be understood that the specific form of the heating component and the arrangement mode thereof on the second liquid cooling unit can be determined by the person skilled in the art according to actual needs. The heating component can include one or more, and the heating component can directly or indirectly heat the power battery. For example, a pipeline is added to the second liquid cooling unit, and a third heating component is arranged on the pipeline; a heating component is arranged on a related component of the second liquid cooling unit, and the heating component indirectly heats the power battery by heating the related component; the second liquid cooling unit is provided with a heating component that can directly heat the power battery at a position corresponding to the power battery; and the like.
[0018] In addition to the second liquid cooling unit, a heating component can also be arranged on the fourth liquid cooling unit. For example, the second liquid cooling unit and the fourth liquid cooling unit are partially combined, and share one heating component.
[0019] For the above heat management system for the charging and swapping station, in a possible implementation, the charging and swapping station is configured with a station air conditioning system capable of adjusting the ambient temperature of the charging and swapping station, and the heat management system comprises: a fourth liquid cooling unit comprising the station air conditioning system and the evaporator forming a fourth cooling liquid circulation loop.
[0020] With such a configuration, it is possible to enable the station air conditioning system to better keep the station space within the expected temperature range with the assistance of the heat pump unit.
[0021] For the above heat management system for the charging and swapping station, in a possible implementation, the first liquid cooling unit and / or the third liquid cooling unit can be in communication with the fourth liquid cooling unit so as to use the heat recovered by the first liquid cooling unit and / or the third liquid cooling unit to adjust the ambient temperature of the charging and swapping station.
[0022] With such a configuration, it is possible to enable the station air conditioning system to better keep the station space within the expected temperature range with the assistance of the recovered waste heat.
[0023] It can be understood that the specific form of the fourth liquid cooling unit and the communication mode thereof with the first / third liquid cooling unit can be determined by the person skilled in the art according to actual needs. Similar to the second liquid cooling unit described above, the fourth liquid cooling unit can be the same as or different from the first / second / third liquid cooling unit described above, the first / third liquid cooling unit can be in communication with the fourth liquid cooling unit or selectively in communication with the fourth liquid cooling unit, and the communication mode can be direct communication or indirect communication. In addition, the first / third liquid cooling unit can be flexibly configured according to actual needs, such as: the first / fourth liquid cooling units can not exchange heat or can exchange heat to a certain extent, can be processed in combination to a certain extent, etc.
[0024] For the above heat management system for the charging and swapping station, in a possible implementation, the second liquid cooling unit and / or the fourth liquid cooling unit is configured with a heating component.
[0025] With such a configuration, a specific configuration mode of the heating component is given.
[0026] It can be understood that the number of heating components and the way they assist in heat supply of the second liquid cooling unit and / or the fourth liquid cooling unit can be determined by the person skilled in the art according to the actual situation. For example, the second liquid cooling unit and the fourth liquid cooling unit can be two independent units, each of which is provided with a heating component; the second liquid cooling unit and the fourth liquid cooling unit have a common pipeline, and one or more heating components are arranged on the common pipeline; the second liquid cooling unit and the fourth liquid cooling unit are additionally provided with a pipeline, and one or more heating components are arranged on the pipeline; the connection mode of the pipeline and the working mode of the heating component are controlled to assist in heat supply of the second liquid cooling unit and / or the fourth liquid cooling unit; and the like.
[0027] For the above-mentioned heat management system for the charging and swapping station, in a possible implementation, the heat management system comprises a first container, a second container and a third container, and the first container and the third container are respectively provided with a first pump, a second pump and a third pump, wherein the first container-the first pump-the charging module forms the first liquid cooling unit, the second container-the second pump-the power battery part forms the second liquid cooling unit, and the third container-the third pump-the charging terminal forms the third liquid cooling unit.
[0028] Through such a configuration, a specific form of the first / second / third liquid cooling unit is given.
[0029] It can be understood that, in the case permitted, the above-mentioned configuration can be set to a certain degree of unification, for example, the first / third liquid cooling unit can share the container and the pump, that is, the first container and the third container are set in unification, and the first pump and the third pump are set in unification.
[0030] For the above-mentioned heat management system for the charging and swapping station, in a possible implementation, the heat management system comprises a fourth container, and the fourth container is provided with a fourth pump, wherein the fourth container-the fourth pump-the in-station air conditioning system forms the fourth liquid cooling unit.
[0031] Through such a configuration, a specific form of the fourth liquid cooling unit is given.
[0032] Similarly to the first / second / third liquid cooling unit described above, in the case permitted, the above-mentioned configuration can be set to a certain degree of unification, for example, the second / fourth liquid cooling unit can share the container and the pump, that is, the second container and the fourth container are set in unification, and the second pump and the fourth pump are set in unification.
[0033] For the above heat management system for the charging and swapping station, in a possible implementation, the first liquid cooling unit and the third liquid cooling unit have a shared first main pipe, the second liquid cooling unit and the fourth liquid cooling unit have a shared second main pipe, and the heat management system comprises a three-way valve, the first end, the second end and the third end of the three-way valve are connected to the first main pipe, the second main pipe and the evaporator respectively.
[0034] Through such a configuration, a specific structural form of the heat management system is given.
[0035] For the above heat management system for the charging and swapping station, in a possible implementation, the heat management system comprises a fifth container, the fifth container is arranged on the second main pipe, and the heating component is arranged in the fifth container.
[0036] Through such a configuration, a specific presentation of the heating component supporting the heat management demand of the power battery / in-station air conditioning system is given.
[0037] It can be understood that, to the extent permitted, the above configuration can be set to a certain extent. For example, the second / fourth liquid cooling unit can share a container and a pump, the heating component can be directly arranged in the container, i.e., the second container, the fourth container and the fifth container are combined; the second / fourth liquid cooling unit can be provided with two containers, one of which is a combined container of the second container and the fourth container, and the other of which is a fifth container, and the heating component is directly arranged in the fifth container; and the like. In addition, if necessary, the fifth container can also be provided with a pump.
[0038] For the above heat management system for the charging and swapping station, in a possible implementation, the second container and / or the fourth container is arranged in a communicable manner with the first container and / or the third container.
[0039] Through such a configuration, a specific structural form of the heat management system is given,
[0040] Specifically, based on such a configuration, the second and / or fourth container and the first and / or third container can be shared in realizing the function of containing cooling liquid. For example, the capacity of the second and / or fourth container can be increased with the assistance of the first and / or third container.
[0041] For the above heat management system for the charging and swapping station, in a possible implementation, the heat management system comprises an on-off switch valve, and the switch valve is arranged in parallel with the second pump and / or the fourth pump.
[0042] Through such a configuration, a specific structural form of the heat management system is given. For example, the type of the switch valve can be a solenoid valve or the like.
[0043] The second aspect of the present application provides a control method of a thermal management system for a charging station, the charging station comprising a charging module, a power battery part and a charging terminal, wherein the charging module is electrically connected with the power battery part and the charging terminal, thereby providing electric energy for the power battery part and the charging terminal, the power battery part is capable of providing power supplement service for power batteries accommodated therein, the charging terminal is capable of being electrically connected with an electric vehicle arrived at the charging station, thereby providing power supplement service for power batteries arranged on the electric vehicle, the charging station is provided with a thermal management system, the thermal management system comprises a heat pump unit, the heat pump unit comprises a compressor, a condenser, a throttling component and an evaporator forming a refrigerant circulation loop, the control method comprises: recovering heat of the charging module and / or the charging terminal by a cooling liquid; in a case that a temperature level of at least the power battery part is satisfied and there is surplus heat, recovering the heat by the cooling liquid and exchanging heat with the evaporator.
[0044] Through such a configuration, it is possible to recover waste heat of the charging module and the charging terminal in time, and to transfer the recovered waste heat to the power battery part in a case that the power battery part needs heat.
[0045] For the above control method, in a possible implementation, the thermal management system comprises: a first liquid cooling unit comprising the charging module and the evaporator forming a first cooling liquid circulation loop; a second liquid cooling unit comprising the power battery part and the evaporator forming a second cooling liquid circulation loop; and a third liquid cooling unit comprising the charging terminal and the evaporator forming a third cooling liquid circulation loop; wherein the "recovering heat of the charging module and / or the charging terminal by the cooling liquid" comprises: making the first liquid cooling unit and / or the second liquid cooling unit in a flow-through state; wherein the "temperature level of the power battery part is satisfied" comprises: making the first liquid cooling unit and / or the third liquid cooling unit communicate with the second liquid cooling unit, so that the temperature level of the power battery part is satisfied.
[0046] Through such a configuration, a specific implementation form of the thermal management system is given (based on the three liquid cooling units to realize thermal management of the charging module, the charging terminal and the power battery part).
[0047] For the control method, in a possible implementation, the charging and swapping station is configured with a station air conditioning system capable of adjusting the ambient temperature of the charging and swapping station, and the heat exchange between the cooling liquid carrying heat and the evaporator under the premise that the temperature level of the power battery part is satisfied and the heat is sufficient includes heat exchange between the cooling liquid carrying heat and the evaporator under the premise that the ambient temperature and the temperature level of the power battery part are satisfied and the heat is sufficient.
[0048] Through such a configuration, a specific form of the thermal management system is given (taking the station air conditioning system as the object of attention of the thermal management system).
[0049] For the control method, in a possible implementation, the thermal management system includes a fourth liquid cooling unit including the station air conditioning system and the evaporator forming a fourth cooling liquid circulation loop, and the ambient temperature being satisfied includes making the first liquid cooling unit and / or the third liquid cooling unit communicate with the fourth liquid cooling unit to make the ambient temperature be satisfied.
[0050] Through such a configuration, a specific implementation form of the control method of the thermal management system is given (adjusting the temperature of the station space based on the fourth liquid cooling unit).
[0051] For the control method, in a possible implementation, the charging and swapping station is configured with a heating component, and the control method includes starting the heating component in the case that the heat is insufficient to cope with the ambient temperature and the temperature level of the power battery part being satisfied.
[0052] Through such a configuration, a specific implementation form of the control method of the thermal management system is given (how to improve the temperature of the power battery part).
[0053] For the control method, in a possible implementation, the thermal management system includes a first container, a second container, a third container, and a fourth container, and the first container and the third container are respectively configured with a first pump, a second pump, a third pump, and a fourth pump, wherein the first container-the first pump-the charging module form the first liquid cooling unit, the second container-the second pump-the power battery part form the second liquid cooling unit, the third container-the third pump-the charging terminal form the third liquid cooling unit, and the fourth container-the fourth pump-the station air conditioning system form the fourth liquid cooling unit.
[0054] Through such a configuration, a specific structural form of the thermal management system is given.
[0055] For the control method, in a possible implementation, the first liquid cooling unit and the third liquid cooling unit have a shared first main pipe, the second liquid cooling unit and the fourth liquid cooling unit have a shared second main pipe, the thermal management system comprises a three-way valve, a first end, a second end and a third end of the three-way valve are connected to the first main pipe, the second main pipe and the evaporator respectively, and the heat exchange between the cooling liquid carrying heat and the evaporator comprises that the third end is in a communication state with the first end and / or the second end.
[0056] Through the above configuration, a specific implementation form (switching the on-off state of the three-way valve) of the control method of the thermal management system is given.
[0057] For the control method, in a possible implementation, the thermal management system comprises a switchable switching valve, the switching valve is arranged in parallel with the second pump and / or the fourth pump, and the control method comprises: in the case that the cooling liquid carrying heat needs to cope with the temperature of the environment and the temperature of the power battery part, the second pump and / or the fourth pump is closed, and the switching valve is opened; and in the case that the cooling liquid carrying heat exchanges heat with the evaporator, the second pump and / or the fourth pump is opened, and the switching valve is closed.
[0058] Through the above configuration, a specific implementation form (adjusting the working state of the switching valve and the second pump and / or the fourth pump) of the control method of the thermal management system is given.
[0059] For the control method, in a possible implementation, the thermal management system comprises a fifth container, the fifth container is arranged on the second main pipe, and the heating component is arranged in the fifth container.
[0060] Through the above configuration, a specific presentation form (shared heating component) of the heating component supporting the thermal management requirement of the power battery / air conditioning system in the station is given.
[0061] It can be understood that the control method of the thermal management system for the charging and swapping station is corresponding to the method of the thermal management system for the charging and swapping station, and therefore has all the technical effects of the thermal management system for the charging and swapping station, which will not be described herein.
[0062] The third aspect of the present application provides a computer readable storage medium, the storage medium is suitable for storing a plurality of program codes, the program codes are suitable for being loaded and run by a processor to execute the control method of the thermal management system for the charging and swapping station.
[0063] It can be understood that the computer readable storage medium has all the technical effects of the control method of the thermal management system of the charging and swapping station as described in any of the preceding embodiments, which will not be repeated here.
[0064] Those skilled in the art can understand that the present application can realize all or part of the processes in the control method of the thermal management system of the charging and swapping station, which can be instructed by a computer program to relevant hardware. The computer program can be stored in a computer readable storage medium, and the computer program can realize the steps of each method embodiment when executed by a processor. The computer program includes computer program code, and it can be understood that the program code includes but is not limited to the program code for executing the control method of the thermal management system of the charging and swapping station. For the convenience of description, only the relevant part of the present application is shown. The computer program code can be in the form of source code, object code, executable file or some intermediate form, etc. The computer readable storage medium can include any entity or device, medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory, random access memory, electrical carrier signal, telecommunication signal and software distribution medium, etc. that can carry the computer program code. It should be noted that the content included in the computer readable storage medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer readable storage medium does not include electrical carrier signals and telecommunication signals.
[0065] The fourth aspect of the present application provides a control device, which comprises a memory and a processor, the memory is adapted to store a plurality of program codes, the program codes are adapted to be loaded and run by the processor to execute the control method of the thermal management system of the charging and swapping station as described in any of the preceding embodiments.
[0066] It can be understood that the control device has all the technical effects of the control method of the thermal management system of the charging and swapping station as described in any of the preceding embodiments, which will not be repeated here. The control device can be a control device formed by various electronic devices.
[0067] The fifth aspect of the present application provides a control device, which comprises a control module, the control module is configured to execute the control method of the thermal management system of the charging and swapping station as described in any of the preceding embodiments.
[0068] It can be understood that the control device has all the technical effects of the control method of the thermal management system of the charging and swapping station as described in any of the preceding embodiments, which will not be repeated here.
[0069] In the description of the present application, the "control module" can include hardware, software or a combination of both. One module can include hardware circuit, various suitable sensors, communication port, memory, and can also include software part such as program code, and can also be a combination of software and hardware. The processor can be a central processor, microprocessor, image processor, digital signal processor or any other suitable processor. The processor has data and / or signal processing functions. The processor can be implemented in software, hardware or a combination of both. The non-transitory computer readable storage medium includes any suitable medium that can store program code, such as magnetic disk, hard disk, optical disk, flash memory, read-only memory, random access memory, etc.
[0070] Further, it should be understood that, since the setting of the control module is only for illustrating the functional units in the system corresponding to the control method of the heat management system for the charging and swapping station of the present application, the physical device corresponding to the control module can be the processor itself, or a part of software in the processor, a part of hardware, or a part of the combination of software and hardware. Therefore, the number of one control module is only illustrative. Those skilled in the art can understand that the control module can be adaptively split according to the actual situation. The specific split form of the control module does not cause the technical solution to deviate from the principle of the present application, and therefore, the technical solution after splitting will fall within the protection scope of the present application.
[0071] The sixth aspect of the present application provides a charging and swapping station, which comprises the heat management system for the charging and swapping station according to any one of the preceding aspects; or the charging and swapping station comprises the control device according to the preceding aspect.
[0072] It can be understood that the charging and swapping station has all the technical effects of the control method of the heat management system for the charging and swapping station according to any one of the preceding aspects, which will not be repeated here.
[0073] Proposal 1. A heat management system for a charging and swapping station, characterized in that the charging and swapping station comprises a charging module, a power battery part and a charging terminal,
[0074] wherein the charging module is electrically connected with the power battery part and the charging terminal, thereby providing electric energy for the power battery part and the charging terminal, the power battery part can provide power supply service for the power battery accommodated therein, and the charging terminal can be electrically connected with an electric vehicle arriving at the station, thereby providing power supply service for the power battery arranged on the electric vehicle,
[0075] The heat management system comprises:
[0076] a heat pump unit comprising a compressor, a condenser, a throttling component and an evaporator forming a refrigerant circulation loop;
[0077] a first liquid cooling unit including the charging module and the evaporator forming a first cooling liquid circulation loop; and
[0078] a second liquid cooling unit including the power battery section and the evaporator forming a second cooling liquid circulation loop; and
[0079] a third liquid cooling unit including the charging terminal and the evaporator forming a third cooling liquid circulation loop;
[0080] wherein the first liquid cooling unit and / or the third liquid cooling unit is / are communicable with the second liquid cooling unit so as to transfer the heat recovered by the first liquid cooling unit and / or the third liquid cooling unit to the power battery section.
[0081] Proposal 2. The thermal management system for a charging and swapping station according to Proposal 1, characterized in that at least the second liquid cooling unit is configured with a heating component.
[0082] Proposal 3. The thermal management system for a charging and swapping station according to Proposal 1 or 2, characterized in that the charging and swapping station is configured with a station indoor air conditioning system, the station indoor air conditioning system being capable of adjusting the ambient temperature of the charging and swapping station,
[0083] the thermal management system comprising:
[0084] a fourth liquid cooling unit including the station indoor air conditioning system and the evaporator forming a fourth cooling liquid circulation loop.
[0085] Proposal 4. The thermal management system for a charging and swapping station according to Proposal 3, characterized in that the first liquid cooling unit and / or the third liquid cooling unit is / are communicable with the fourth liquid cooling unit so as to use the heat recovered by the first liquid cooling unit and / or the third liquid cooling unit for adjusting the ambient temperature of the charging and swapping station.
[0086] Proposal 5. The thermal management system for a charging and swapping station according to Proposal 3, characterized in that the second liquid cooling unit and / or the fourth liquid cooling unit is / are configured with a heating component.
[0087] Proposal 6. The thermal management system for a charging and swapping station according to Proposal 5, characterized in that the thermal management system comprises a first vessel, a second vessel and a third vessel, the first vessel and the third vessel being respectively configured with a first pump, a second pump and a third pump,
[0088] wherein the first vessel-the first pump-the charging module forms the first liquid cooling unit, the second vessel-the second pump-the power battery section forms the second liquid cooling unit, and the third vessel-the third pump-the charging terminal forms the third liquid cooling unit.
[0089] Proposal 7. The thermal management system for the charging and swapping station according to proposal 6, characterized in that the thermal management system comprises a fourth container, the fourth container is configured with a fourth pump,
[0090] wherein the fourth container-the fourth pump-the in-station air conditioning system form the fourth liquid cooling unit.
[0091] Proposal 8. The thermal management system for the charging and swapping station according to proposal 7, characterized in that the first liquid cooling unit and the third liquid cooling unit have a common first main pipe, the second liquid cooling unit and the fourth liquid cooling unit have a common second main pipe,
[0092] the thermal management system comprises a three-way valve, the first end, the second end and the third end of the three-way valve are connected with the first main pipe, the second main pipe and the evaporator respectively.
[0093] Proposal 9. The thermal management system for the charging and swapping station according to proposal 8, characterized in that the second liquid cooling unit comprises a fifth container, the fifth container is arranged on the second main pipe, and the heating component is arranged in the fifth container.
[0094] Proposal 10. The thermal management system for the charging and swapping station according to proposal 7, characterized in that the second container and / or the fourth container are arranged in a communicable manner with the first container and / or the third container.
[0095] Proposal 11. The thermal management system for the charging and swapping station according to proposal 10, characterized in that the thermal management system comprises an on-off switch valve, the switch valve is arranged in parallel with the second pump and / or the fourth pump.
[0096] Proposal 12. A control method of a thermal management system for a charging and swapping station, characterized in that the charging and swapping station comprises a charging module, a power battery part and a charging terminal,
[0097] wherein the charging module is electrically connected with the power battery part and the charging terminal, thereby providing electric energy for the power battery part and the charging terminal, the power battery part can provide power supply service for the power battery accommodated therein, and the charging terminal can be electrically connected with an electric vehicle arriving at the station, thereby providing power supply service for the power battery arranged on the electric vehicle,
[0098] the charging and swapping station is configured with a thermal management system,
[0099] the thermal management system comprises:
[0100] A heat pump unit including a compressor, a condenser, a throttling component, and an evaporator that form a refrigerant circulation loop;
[0101] The control method includes:
[0102] The cooling liquid recovers heat from the charging module and / or the charging terminal;
[0103] The cooling liquid carrying heat exchanges heat with the evaporator when the temperature level of at least the power battery section is satisfied and there is a surplus of heat.
[0104] Proposal 13. The control method according to proposal 12, characterized in that the thermal management system includes:
[0105] The cooling liquid recovers heat from the charging module and / or the charging terminal includes:
[0106] The first liquid cooling unit and / or the second liquid cooling unit are in a flow-through state;
[0107] The temperature level of the power battery section is satisfied includes:
[0108] The first liquid cooling unit and / or the third liquid cooling unit are in communication with the second liquid cooling unit so that the temperature level of the power battery section is satisfied.
[0109] Proposal 14. The control method according to proposal 13, characterized in that the battery swap station is provided with a station air conditioning system, and the station air conditioning system can adjust the ambient temperature of the battery swap station,
[0110] The cooling liquid carrying heat exchanges heat with the evaporator when the temperature level of at least the power battery section is satisfied and there is a surplus of heat.
[0111] The cooling liquid carrying heat exchanges heat with the evaporator when the ambient temperature and the temperature level of the power battery section are satisfied and there is a surplus of heat.
[0112] Proposal 15. The control method according to proposal 14, characterized in that the thermal management system includes:
[0113] A fourth liquid cooling unit including the station air conditioning system and the evaporator that form a fourth cooling liquid circulation loop;
[0114] The ambient temperature is satisfied includes:
[0115] The first liquid cooling unit and / or the third liquid cooling unit are put into communication with the fourth liquid cooling unit so that the ambient temperature is satisfied.
[0116] Proposal 16. The control method according to proposal 15, characterized in that the charging station is provided with a heating component,
[0117] The control method comprises:
[0118] The heating component is started in the case where there is a shortage in the heat for coping with the ambient temperature and the temperature level of the power battery part being satisfied.
[0119] Proposal 17. The control method according to proposal 16, characterized in that the thermal management system comprises a first vessel, a second vessel, a third vessel, and a fourth vessel, the first vessel and the third vessel are respectively provided with a first pump, a second pump, a third pump, and a fourth pump,
[0120] The first vessel-the first pump-the charging module form the first liquid cooling unit, the second vessel-the second pump-the power battery part form the second liquid cooling unit, the third vessel-the third pump-the charging terminal form the third liquid cooling unit, and the fourth vessel-the fourth pump-the in-station air conditioning system form the fourth liquid cooling unit.
[0121] Proposal 18. The control method according to proposal 17, characterized in that the first liquid cooling unit and the third liquid cooling unit have a common first main pipe, and the second liquid cooling unit and the fourth liquid cooling unit have a common second main pipe,
[0122] The thermal management system comprises a three-way valve, the first end, the second end, and the third end of the three-way valve are connected to the first main pipe, the second main pipe, and the evaporator,
[0123] The cooling liquid carrying heat is put into heat exchange with the evaporator.
[0124] The third end is put into communication with the first end and / or the second end.
[0125] Proposal 19. The control method according to proposal 18, characterized in that the thermal management system comprises a switchable switching valve, the switching valve is arranged in parallel with the second pump and / or the fourth pump,
[0126] The control method comprises:
[0127] The second pump and / or the fourth pump are closed and the switching valve is opened in the case where the cooling liquid carrying heat needs to cope with the ambient temperature and the temperature level of the power battery part.
[0128] In the case of heat exchange between the cooling liquid carrying heat and the evaporator, the second pump and / or the fourth pump is opened, and the switching valve is closed.
[0129] Proposal 20. The control method according to proposal 18, characterized in that the thermal management system comprises a fifth vessel, the fifth vessel is arranged on the second main pipe, and the heating component is arranged in the fifth vessel.
[0130] Proposal 21. A computer readable storage medium, characterized in that the storage medium is adapted to store a plurality of program codes, the program codes are adapted to be loaded and run by a processor to execute the control method of the thermal management system for the charging and swapping station according to any one of proposals 12 to 20.
[0131] Proposal 22. A control device, characterized in that the control device comprises a memory and a processor, the memory is adapted to store a plurality of program codes, the program codes are adapted to be loaded and run by the processor to execute the control method of the thermal management system for the charging and swapping station according to any one of proposals 12 to 20.
[0132] Proposal 23. A control device, characterized in that the control device comprises a control module, the control module is configured to execute the control method of the thermal management system for the charging and swapping station according to any one of proposals 12 to 20.
[0133] Proposal 24. A charging and swapping station, characterized in that the charging and swapping station comprises the thermal management system for the charging and swapping station according to any one of proposals 1 to 11; or the charging and swapping station comprises the control device according to proposal 23. BRIEF DESCRIPTION OF DRAWINGS
[0134] The thermal management system of the present application is described below with reference to the accompanying drawings and in conjunction with a charging and swapping station. In the drawings:
[0135] Figure 1 A schematic diagram showing the principle of the thermal management system for the charging and swapping station of the present application in a summer application scenario Figure 1 ;
[0136] Figure 2 A schematic diagram showing the principle of the thermal management system for the charging and swapping station of the present application in a summer application scenario Figure 2 ;
[0137] Figure 3 A schematic diagram showing the principle of the thermal management system for the charging and swapping station of the present application in a winter application scenario Figure 1 ;
[0138] Figure 4The principle of the heat management system for the charging and battery swapping station in winter application scenario is shown Figure 2 ;
[0139] Figure 5 The flowchart of the control method of the heat management system for the charging and battery swapping station is shown Figure 1 (corresponding to summer application scenario); and
[0140] Figure 6 The flowchart of the control method of the heat management system for the charging and battery swapping station is shown Figure 2 (corresponding to winter application scenario). DETAILED DESCRIPTION
[0141] The preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. For example, although the present embodiments are introduced in combination with the first / third liquid cooling unit combined arrangement, the second / fourth liquid cooling unit combined arrangement and the shared fifth container and heating component, this is not intended to limit the protection scope of the present application, and those skilled in the art can make changes thereto without departing from the principles of the present application, such as arranging a heating component for the air conditioning system and the power battery in the station, respectively.
[0142] It should be noted that in the description of the present application, the terms indicating the direction or positional relationship of the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. The singular form of the term "one", "this" can also include the plural form.
[0143] In addition, it should also be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0144] In addition, in order to better illustrate the present application, numerous specific details are given in the following detailed description, and those skilled in the art should understand that the present application can also be implemented without certain specific details. In some examples, the working principle of charging and battery replacement is not described in detail, so as to highlight the main idea of the present application.
[0145] Referring to Figures 1 to 4 , Figure 1 The principle of the heat management system for the charging and battery replacement station in the summer application scenario is shown Figure 1 , Figure 2 The principle of the heat management system for the charging and battery replacement station in the summer application scenario is shown Figure 2 , Figure 3 The principle of the heat management system for the charging and battery replacement station in the winter application scenario is shown Figure 1 , Figure 4 The principle of the heat management system for the charging and battery replacement station in the winter application scenario is shown Figure 2 . As Figures 1 to 4 shown, the charging and battery replacement station mainly includes a charging module (a liquid-cooled charging module), a power battery part (a liquid-cooled power battery part, such as a battery compartment capable of accommodating multiple power batteries) corresponding to the battery replacement service, and a charging terminal (such as including multiple charging piles) corresponding to the charging service, wherein the charging module is electrically connected with the power battery part and the charging terminal, thereby providing electric energy for the power battery part and the charging terminal. The power battery part can accommodate multiple power batteries and can provide power compensation service for the corresponding power battery (a depleted battery replaced from an electric vehicle). After the electric vehicle needing charging drives to the charging position in the station, the charging terminal can be inserted into the charging port of the electric vehicle, thereby providing power compensation service for the power battery configured on the electric vehicle (without removing the depleted battery from the electric vehicle).
[0146] Preferably, the charging and battery replacement station further includes a station air conditioning system, which is mainly used for adjusting the temperature of the environment (station space) of the charging and battery replacement station. In one possible embodiment, the present application further includes a station air conditioning system associated with the heat management system, and a simple form of the station air conditioning system is a pipe group similar to a heating radiator, thereby adjusting the ambient temperature of the station space by heat exchange between the cooling liquid flowing through the pipe group and the air in the station space.
[0147] In general cases, a battery replacement platform, a battery replacement trolley, etc. are also configured in the charging and battery replacement station, which are mainly used to support the aforementioned battery replacement service, and the operations related to the battery replacement platform, the battery replacement trolley, etc. include removing (unloading) the depleted battery from the electric vehicle, transferring the unloaded depleted battery to the charging compartment, removing the full battery after power compensation from the charging compartment, installing the full battery to the electric vehicle (loading), etc.
[0148] The present application also includes a heat management system, which mainly comprises a heat pump unit and a liquid cooling unit group, the heat pump unit comprises a compressor, a condenser, a throttling component (electronic expansion valve) and an evaporator forming a refrigerant circulation loop, wherein the evaporator capable of releasing cold energy is associated with the liquid cooling unit group to achieve heat management in the charging and swapping station. In addition, a pressure gauge and a dryer (between the condenser and the evaporator) are also provided on the heat pump unit, which can continuously take away the heat of the high-temperature cooling liquid when the heat pump unit is in operation, thereby ensuring the low-temperature quality of the cooling liquid. As in the present example, a dryer is additionally provided between the evaporator and the condenser, and a pressure gauge 1 and a pressure gauge 2 are respectively provided between the compressor and the condenser and between the evaporator and the compressor.
[0149] In a possible implementation, the liquid cooling unit group mainly comprises four liquid cooling units, respectively denoted as a first liquid cooling unit, a second liquid cooling unit, a third liquid cooling unit and a fourth liquid cooling unit, wherein the first liquid cooling unit is mainly used to recover the heat of the charging module and supplement the heat of the power battery and the in-station air conditioning system when needed, the second liquid cooling unit is mainly used to recover the heat of the power battery or supplement the heat of the power battery, the third liquid cooling unit is mainly used to recover the heat of the charging pile and supplement the heat of the power battery and the in-station air conditioning system when needed, and the fourth liquid cooling unit is mainly used to provide cold energy or heat to the in-station air conditioning system.
[0150] In the (current) general case, the power battery must be constantly maintained within a specified temperature range during the energy supplementing of the power battery corresponding to the battery swapping part. Accordingly, the present application also configures a special heating component in the second liquid cooling unit to support this requirement of the power battery. The aforementioned "the second liquid cooling unit is mainly used to recover the heat of the power battery or supplement the heat of the power battery" has the ability to supplement the heat of the power battery due to the configuration of the heating component.
[0151] In this way, when the ambient temperature of the charging station exceeds the set target temperature (for example, the target temperature is set to a temperature determined with reference to the temperature range of the power battery, such as 25°C), the heat pump system is operated in a refrigeration cycle (the evaporator at this time can release cold energy). In this way, the low-temperature cooling liquid can be released to the power battery, the charging module, the charging terminal, and the station air conditioning system. Specifically, by releasing the cooling liquid to the power battery and controlling the temperature and flow of the cooling liquid, the temperature of the power battery is ensured to be always within the specified temperature range (second liquid cooling unit). At the same time, by releasing the cooling liquid to the charging module, the large amount of heat generated in the process of electric energy conversion of the charging module is taken away, and the low-temperature property of the cooling liquid is ensured by heat exchange with the evaporator of the heat pump unit (first liquid cooling unit). In addition, by releasing the cooling liquid to the charging terminal, the large amount of heat generated in the process of electric energy conversion of the charging terminal is taken away, and the low-temperature property of the cooling liquid is ensured by heat exchange with the evaporator of the heat pump unit (third liquid cooling unit). In addition, by releasing the cooling liquid to the station air conditioning system, the station space of the charging station is cooled to ensure that the ambient temperature of the station space is within the range of comfortable feeling (fourth liquid cooling unit).
[0152] In this way, when the ambient temperature of the charging station is lower than the set target temperature (for example, the target temperature is still set to a temperature determined with reference to the temperature range of the power battery, such as 25°C), the heat pump system is not operated in a refrigeration cycle (the evaporator at this time is only used as a pipeline for the flow of cooling liquid for waste heat exchange). At this time, the waste heat recovered from the charging module and the charging terminal can be fully utilized. After the cooling liquid in the thermal management system first flows through the charging module and the charging terminal, the heat generated in the charging module (first liquid cooling unit) and the charging terminal (third liquid cooling unit) is recovered, thereby heating the cooling liquid to achieve the heating of the cooling liquid. Under this premise, the heated cooling liquid is released to the power battery part to ensure that the power battery is constantly within the specified temperature range (second liquid cooling unit). The heated cooling liquid is released to the station air conditioning system, thereby heating the station space of the charging station to ensure that the ambient temperature of the station space is within the range of comfortable feeling (fourth liquid cooling unit).
[0153] It can be seen that the aforementioned power battery part and station air conditioning system will involve the case of required heat. At this time, when the recovered waste heat cannot meet the required heat, the heating component configured by the second liquid cooling unit can be used.
[0154] In a possible implementation, the thermal management system comprises a heat pump unit, a water tank group, and a valve group, wherein the water tank group comprises water tank 1 (as a first vessel, a third vessel), water tank 2 (as a second vessel, a fourth vessel), and water tank 2 (as a fifth vessel), water tank 1 and water tank 2 are respectively configured with pump 1 (as a first pump, a third pump) and pump 2 (as a second pump, a fourth pump), and water tank 3 is configured with a heater as a heating component shared by the second / fourth liquid cooling unit. The valve group comprises a three-way valve and a solenoid valve, wherein water tank 1-pump 1-charging module-three-way valve-evaporator-water tank 1 forms a first liquid cooling unit, water tank 2-pump 2-power battery part-water tank 3-three-way valve-evaporator-water tank 2 forms a second liquid cooling unit, water tank 1-pump 1-charging terminal-three-way valve-evaporator-water tank 1 forms a third liquid cooling unit, water tank 2-pump 2-station air conditioning system-water tank 3-three-way valve-evaporator-water tank 2 forms a fourth liquid cooling unit, and the solenoid valve is arranged in parallel with pump 2 in the second / fourth liquid cooling unit.
[0155] As can be seen, in the present example, the first / third liquid cooling unit is arranged in a certain degree of unification, and the second / fourth liquid cooling unit is arranged in a certain degree of unification.
[0156] In order to ensure the accuracy of thermal management, the temperature and flow of the cooling liquid need to be detected, and accordingly, a flow meter (marked as flow meter 1) can be arranged on the pipeline of the first / third liquid cooling unit, and temperature meters (marked as temperature meter 1 and temperature meter 2, respectively) are arranged on both sides of the charging module / charging terminal. Similarly, a flow meter (marked as flow meter 2) can be arranged on the pipeline of the second / fourth liquid cooling unit, and temperature meters (marked as temperature meter 3 and temperature meter 4, respectively) are arranged on both sides of the charging module / charging terminal.
[0157] Based on the above structure, the present application will be described in combination with two specific application scenarios.
[0158] Application scenario one (summer):
[0159] Continuing to refer to Figure 1 and Figure 2At this time, the ambient temperature is high, so that the heat pump unit operates in the refrigeration mode and the pump 2 operates (the electromagnetic valve is closed). Based on this, the pump 1 sends the low-temperature cooling liquid in the water tank 1 to the charging module and the charging terminal respectively, and takes away the heat generated in the working process of the charging module and the charging terminal, and the cooling liquid is heated due to the recovery of the waste heat of the charging module and the charging terminal. The heated cooling liquid flows to the evaporator of the heat pump system through the first end (left end) and the third end (lower end) of the three-way valve, and is cooled through heat exchange with the surface of the evaporator to ensure the recyclability of the liquid cooling. The first, third liquid cooling units are provided with a flow meter 1, a temperature meter 1 and a temperature meter 2, which are mainly used for detecting the flow rate and temperature of the cooling liquid. At the same time, the pump 1 sends the low-temperature cooling liquid in the water tank 1 to the power battery and the in-station air conditioning system respectively, and takes away the heat of the power battery and the in-station space of the charging and swapping station, and the cooling liquid is heated due to the recovery of the waste heat of the power battery and the heat in the environment. Similarly, the heated cooling liquid flows to the evaporator of the heat pump system through the second end (right end) and the third end (lower end) of the three-way valve, and is cooled through heat exchange with the surface of the evaporator to ensure the recyclability of the liquid cooling. The second, fourth liquid cooling units are provided with a flow meter 2, a temperature meter 3 and a temperature meter 3, which are mainly used for detecting the flow rate and temperature of the cooling liquid.
[0160] Referring to Figure 5 , Figure 5 A flowchart of a control method of a heat management system for a charging and swapping station is shown Figure 1 . As Figure 5 shown, in this application scenario, the control method of the heat management system for the charging and swapping station mainly includes the following steps:
[0161] Step 501, make the heat pump unit operate in the refrigeration mode.
[0162] Based on this, the evaporator can recover heat to ensure the low-temperature property of the circulating cooling liquid.
[0163] Step 503, make the pump 1 operate.
[0164] Based on this, the first / third liquid cooling unit is started.
[0165] Step 505, make the pump 2 operate and close the electromagnetic valve.
[0166] Based on this, the second / fourth liquid cooling unit is started.
[0167] Step 507, open the left end, right end and lower end of the three-way valve.
[0168] Based on this, the formation of the first / second / third / fourth cooling liquid circulation loop corresponding to the first / second / third / fourth liquid cooling unit is ensured.
[0169] Under this premise, the temperature is mainly based on the flow, the switching state of the relevant valve (such as the three-way valve, the regulating valve corresponding to the power battery part / station air conditioning system) and the specific opening degree, the operating parameters of the pump, etc. Control, so as to realize effective thermal management.
[0170] Application scenario two (winter):
[0171] Continuing to refer to Figure 3 and Figure 4 , the ambient temperature is low at this time, so the heat pump unit is not running and the pump 2 is stopped (the electromagnetic valve is opened). Based on this, the pump 1 transports the low-temperature coolant in the water tank 1 and the water tank 2 to the charging module and the charging terminal respectively, taking away the heat generated during the operation of the charging module and the charging terminal. The cooling liquid is heated due to the recovery of the waste heat of the charging module and the charging terminal. The heated cooling liquid flows to the water tank 3 provided with a heater through the left end and the right end of the three-way valve in turn. At this time, if the heat carried by the cooling liquid can meet the demand of the power battery and the station air conditioning system, the heater does not work, that is, the heat in the cooling liquid is directly transferred to the power battery (so that the power battery is constantly in a specified temperature range) and the station air conditioning system (so that the space in the station is in a comfortable temperature range). If the heat carried by the cooling liquid cannot meet the demand of the power battery and the station air conditioning system, the heater provided in the water tank 3 is started to further heat the cooling liquid to a temperature that can meet the requirements of the two. After heat exchange with the power battery and the station air conditioning system, the cooling liquid is cooled and then flows back to the water tank 2 and the water tank 2 through the electromagnetic valve.
[0172] Referring to Figure 6 , Figure 6 a flowchart of a control method of a heat management system for a charging and swapping station of the present application is shown Figure 2 . As shown in Figure 6 , in this application scenario, the control method of the heat management system for the charging and swapping station mainly includes the following steps:
[0173] Step 601, open the electromagnetic valve, and stop the pump 2.
[0174] Based on this, the first / third liquid cooling unit is started.
[0175] And the water tank 1 corresponding to the first / third liquid cooling unit and the water tank 2 corresponding to the second / fourth liquid cooling unit are in series to hold the circulating cooling liquid.
[0176] Step 603, operate the pump 1.
[0177] Based on this, the first / third liquid cooling unit is started.
[0178] Step 605, open the left end and the right end of the three-way valve.
[0179] Therefore, the evaporator does not participate in the circulation loop of the cooling liquid.
[0180] Step 607: Determine whether the temperature of the power battery and the station space meets the standard. If yes, the heating component arranged in the water tank 3 is not started. If no, the heating component is started.
[0181] Under this premise, the flow, the switching state and the specific opening degree of the relevant valves (such as the three-way valve, the regulating valve corresponding to the power battery part / station air conditioning system, the electromagnetic valve), the operating parameters of the pump, the operating parameters of the heating component, etc. are mainly controlled based on the temperature, so as to realize effective thermal management.
[0182] It should be noted that in the present example, the second liquid cooling unit corresponding to the power battery and the fourth liquid cooling unit corresponding to the station air conditioning system are partially combined, specifically in the form of one main pipe and two parallel branch pipes extended from the main pipe, and the water tank 3 and the heating component each include one arranged on the main pipe. As can be seen, the electromagnetic valve (not shown) can be arranged in each branch pipe, and by adjusting the opening degree of the electromagnetic valve, the cooling liquid flowing through the power battery and the station air conditioning system can be reasonably distributed. Obviously, this is only an exemplary description, and those skilled in the art can make reasonable changes according to the actual situation. For example, the heating component can be arranged for each branch pipe to more accurately meet the heat demand of the second liquid cooling unit and the fourth liquid cooling unit.
[0183] It should be noted that in the present example, the first / third liquid cooling unit is partially combined as a group of pipes, and the second / fourth liquid cooling unit is partially combined as a group of pipes, and the two groups of pipes are further combined by a three-way valve. Obviously, this is only an exemplary description, and those skilled in the art can make reasonable changes according to the actual situation. For example, other ways of combination or independent four circulation pipes can be arranged, and the water tank, the pump and the heating component are not shared.
[0184] It should be noted that in the present example, the water tank 1 and the water tank 2 are combined to supply the cooling liquid. Specifically, in the application scenario one, the cooling liquid is supplied to the pipeline corresponding to the first / third liquid cooling unit and the pipeline corresponding to the second / fourth liquid cooling unit respectively (pump 2 is started, and the water tank 1 and the water tank 2 supply the cooling liquid in parallel), and in the application scenario two, the waste heat of the charging module / charging terminal is recovered in a combined manner, and then the cooling liquid carrying heat is supplied to the power battery and the station air conditioning system (pump 2 is not started, and the water tank 1 and the water tank 2 supply the cooling liquid in series). Obviously, this is only an exemplary description, and those skilled in the art can make reasonable changes according to actual conditions. For example, the two can be combined into one water tank with sufficient capacity and corresponding partitioning and valves in the tank to cope with the two application scenarios; an additional water tank is added, and in the application scenario two, the second water tank can be replaced by the additional water tank; the fourth liquid cooling unit is provided with two water tanks, one of which is provided with a pump with a pumping direction opposite to that of the pump of the first / third liquid cooling unit, and the other is not provided with a pump or is provided with a pump with the same pumping direction as that of the pump of the first / third liquid cooling unit; etc.
[0185] As can be seen, in the heat management system for the charging and swapping station of the application, through the cooperation of the four liquid cooling units, the heat management of the components in the charging and swapping station, including the charging module, the charging terminal, the power battery part, and the station air conditioning system, is realized on the premise of recycling the heat of the charging module and the charging terminal, through the cooperation of the heat pump unit and the heating component. Based on the structure of the above heat management system, through the basic control of the pump, the heating component, the three-way valve, the electromagnetic valve, etc. in the system and further monitoring on this premise, the heat management of the charging and swapping station is realized.
[0186] It should be noted that although the steps in the above embodiments are described in a specific order, those skilled in the art can understand that, in order to achieve the effect of the application, the steps do not have to be executed in this order, they can be executed simultaneously or in other order, or some steps can be added, replaced or omitted, such as S501-S507 which are basically simultaneous actions, and S601-S605 which are basically simultaneous actions.
[0187] It should be noted that although the control method constituted in the above specific manner is introduced as an example, those skilled in the art can understand that the application should not be limited thereto. In fact, the user can flexibly adjust the related steps and the parameters in the steps and other elements according to the actual application scenario and other conditions, such as adjusting the control method according to the change of the structure of the heat management system.
[0188] The technical scheme of the present application has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical schemes after the changes or replacements will all fall within the protection scope of the present application.
Claims
1. A thermal management system for a charging / swapping station, characterized in that, The charging and battery swapping station includes a charging module, a power battery unit, and a charging terminal. The charging module is electrically connected to the power battery unit and the charging terminal, thereby providing electrical energy to the power battery unit and the charging terminal. The power battery unit can provide charging services for the power batteries it houses, and the charging terminal can be electrically connected to the arriving electric vehicle, thereby providing charging services for the power batteries configured on the electric vehicle. The thermal management system includes: A heat pump unit includes a compressor, a condenser, a throttling device, and an evaporator that form a refrigerant circulation loop; The first liquid cooling unit includes the charging module and the evaporator forming a first coolant circulation loop; The second liquid cooling unit includes the power battery section and the evaporator forming a second coolant circulation loop; and The third liquid cooling unit includes the charging terminal and the evaporator that form a third coolant circulation loop; The first liquid cooling unit and the third liquid cooling unit can be connected to the second liquid cooling unit so as to transfer the heat recovered by the first liquid cooling unit and the third liquid cooling unit to the power battery section; The thermal management system includes a first vessel, a second vessel, and a third vessel, each equipped with a first pump, a second pump, and a third pump, respectively. Wherein, the first container-the first pump-the charging module form the first liquid cooling unit, the second container-the second pump-the power battery unit form the second liquid cooling unit, the second liquid cooling unit includes a fifth container, and the third container-the third pump-the charging terminal form the third liquid cooling unit; The first pump and the third pump are combined into one unit; The first vessel and the third vessel are combined into one unit; The thermal management system includes an on / off switching valve, which is configured in parallel with the second pump.
2. The thermal management system for a charging / swapping station according to claim 1, characterized in that, At least the second liquid cooling unit is equipped with a heating element.
3. The thermal management system for a charging / swapping station according to claim 1 or 2, characterized in that, The charging and battery swapping station is equipped with an in-station air conditioning system, which can regulate the ambient temperature of the charging and battery swapping station. The thermal management system includes: The fourth liquid cooling unit includes the station air conditioning system forming the fourth coolant circulation loop and the evaporator.
4. The thermal management system for a charging / swapping station according to claim 3, characterized in that, The first liquid cooling unit and / or the third liquid cooling unit can be connected to the fourth liquid cooling unit so that the heat recovered by the first liquid cooling unit and / or the third liquid cooling unit can be used to regulate the ambient temperature of the charging and swapping station.
5. The thermal management system for a charging / swapping station according to claim 3, characterized in that, The second liquid cooling unit and / or the fourth liquid cooling unit are equipped with heating components.
6. The thermal management system for a charging / swapping station according to claim 3, characterized in that, The thermal management system includes a fourth vessel, which is equipped with a fourth pump. The fourth liquid cooling unit is formed by the fourth vessel, the fourth pump, and the station air conditioning system.
7. The thermal management system for a charging / swapping station according to claim 6, characterized in that, The first liquid cooling unit and the third liquid cooling unit share a common first main pipe, and the second liquid cooling unit and the fourth liquid cooling unit share a common second main pipe. The thermal management system includes a three-way valve, the first end, the second end, and the third end of which are respectively connected to the first main pipe, the second main pipe, and the evaporator.
8. The thermal management system for a charging / swapping station according to claim 7, characterized in that, The fifth vessel is disposed on the second main tube, and the heating element is disposed on the fifth vessel.
9. The thermal management system for a charging / swapping station according to claim 6, characterized in that, The second vessel and / or the fourth vessel are arranged in a communicable manner with the first vessel and / or the third vessel.
10. The thermal management system for a charging / swapping station according to claim 9, characterized in that, The switching valve is configured to operate in parallel with the fourth pump.
11. A control method for a thermal management system of a charging / swapping station as described in any one of claims 1 to 10, characterized in that, The charging and battery swapping station includes a charging module, a power battery unit, and a charging terminal. The charging module is electrically connected to the power battery unit and the charging terminal, thereby providing electrical energy to the power battery unit and the charging terminal. The power battery unit can provide charging services for the power batteries it houses, and the charging terminal can be electrically connected to the arriving electric vehicle, thereby providing charging services for the power batteries configured on the electric vehicle. The charging and battery swapping station is equipped with a thermal management system. The thermal management system includes: A heat pump unit, the heat pump unit comprising a compressor, a condenser, a throttling device and an evaporator forming a refrigerant circulation loop; The control method includes: The coolant recovers heat from the charging module and / or the charging terminal. When the temperature level of at least the power battery section is satisfied and there is a surplus of heat, the coolant carrying heat is exchanged with the evaporator.
12. The control method according to claim 11, characterized in that, The thermal management system include: Wherein, the process of recovering heat from the charging module and / or the charging terminal by the coolant includes: The first liquid cooling unit and / or the second liquid cooling unit are in a flow state; The temperature level of the power battery section is satisfied including: The first liquid cooling unit and / or the third liquid cooling unit are connected to the second liquid cooling unit so that the temperature level of the power battery section is satisfied.
13. The control method according to claim 12, characterized in that, The charging and battery swapping station is equipped with an in-station air conditioning system, which can regulate the ambient temperature of the charging and battery swapping station. Wherein, the process of exchanging heat between the heat-carrying coolant and the evaporator, provided that at least the temperature level of the power battery section is satisfied and there is a surplus of heat, includes: When the ambient temperature and the temperature level of the power battery are satisfied and there is a surplus of heat, the coolant carrying heat is exchanged with the evaporator.
14. The control method according to claim 13, characterized in that, The thermal management system includes: The fourth liquid cooling unit includes the station air conditioning system forming the fourth coolant circulation loop and the evaporator; The requirement that the ambient temperature be satisfied includes: The first liquid cooling unit and / or the third liquid cooling unit are connected to the fourth liquid cooling unit so that the ambient temperature is met.
15. The control method according to claim 14, characterized in that, The charging and battery swapping station is equipped with heating components. The control method includes: In the event of a shortage of heat while the ambient temperature and the temperature level of the power battery are being met, the heating element is activated.
16. The control method according to claim 15, characterized in that, The thermal management system includes a fourth vessel, which is equipped with a fourth pump. The fourth liquid cooling unit is formed by the fourth vessel, the fourth pump, and the station air conditioning system.
17. The control method according to claim 16, characterized in that, The first liquid cooling unit and the third liquid cooling unit share a common first main pipe, and the second liquid cooling unit and the fourth liquid cooling unit share a common second main pipe. The thermal management system includes a three-way valve, the first, second, and third ends of which are respectively connected to the first main pipe, the second main pipe, and the evaporator. The phrase "exchanging heat between the heat-carrying coolant and the evaporator" includes: The third end is connected to the first end and / or the second end.
18. The control method according to claim 17, characterized in that, The thermal management system includes an on / off switching valve, which is configured in parallel with the second pump and / or the fourth pump. The control method includes: When the coolant carrying heat needs to cope with the ambient temperature and the temperature level of the power battery, the second pump and / or the fourth pump are shut down and the switching valve is opened; When the coolant carrying heat exchanges heat with the evaporator, the second pump and / or the fourth pump are turned on and the switching valve is turned off.
19. The control method according to claim 17, characterized in that, The thermal management system includes a fifth vessel disposed on the second main pipe, and the heating element is disposed on the fifth vessel.
20. A computer-readable storage medium, characterized in that, The storage medium is adapted to store multiple lines of program code, which are adapted to be loaded and run by a processor to perform the control method for a thermal management system for a charging and swapping station as described in any one of claims 11 to 19.
21. A control device, characterized in that, The control device includes a memory and a processor, the memory being adapted to store multiple program codes, the program codes being adapted to be loaded and run by the processor to perform the control method for a thermal management system for a charging and swapping station as described in any one of claims 11 to 19.
22. A charging and battery swapping station, characterized in that, The charging and swapping station includes a thermal management system for a charging and swapping station as described in any one of claims 1 to 10.
Citation Information
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