Charging apparatus, electrical device and charging system

By integrating a thermal management structure into the charging device and using a heat exchange medium to heat or cool the battery pack of new energy vehicles, the problem of low thermal management efficiency of the battery pack under different environments is solved, and efficient charging of the battery is achieved within a suitable temperature range.

WO2025241448A1PCT designated stage Publication Date: 2025-11-27BYD CO LTD
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
PCT/CN2024/133632
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-24
Filing Date
2024-11-21
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

Existing technologies cannot effectively heat or cool the battery packs of new energy vehicles under different usage environments, resulting in low charging efficiency.

Method used

A charging device is provided, which combines a charging structure and a first thermal management structure to perform thermal management on electrical equipment through a heat exchange medium, including a compression device, a condensation device and an expansion device, to realize the circulation and control of the heat exchange medium and support cooling and heating modes.

Benefits of technology

It improves the thermal management efficiency of electrical equipment, ensuring that the battery operates within a suitable temperature range, thereby improving charging efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN2024133632_27112025_PF_FP_ABST
    Figure CN2024133632_27112025_PF_FP_ABST
Patent Text Reader

Abstract

A charging system, comprising a charging apparatus (100) and an electrical device. The charging apparatus (100) comprises: a charging structure (17), the charging structure (17) being suitable for charging an electrical device; and a first thermal management structure, the first thermal management structure being suitable for supplying a heat exchange medium to the electrical device, so as to perform thermal management on the electrical device.
Need to check novelty before this filing date? Find Prior Art

Description

Charging device, electric device and charging system

[0001] Cross-reference to related applications

[0002] This application is based on and claims priority to Chinese Patent Application No. 2024211788385, filed on May 24, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application belongs to the technical field of charging, and in particular, the present application relates to a charging device, an electric device and a charging system. BACKGROUND

[0004] New energy vehicles are provided with battery packs. In different use conditions, the battery packs need to be heated or cooled. When charging in a high-temperature environment, especially when charging at high power, the battery pack generates a lot of heat and needs to be cooled. When charging in a low-temperature environment, the battery pack needs to be heated. However, the heating or cooling method for the battery pack cannot meet different use environments.

[0005] SUMMARY

[0006] An object of embodiments of the present application is to provide a charging device, an electric device and a charging system.

[0007] Embodiments of the present application provide a charging device, comprising: a charging structure adapted to charge an electric device; and a first thermal management structure adapted to supply a heat exchange medium to the electric device to perform thermal management on the electric device.

[0008] In some embodiments, a connection assembly is included, which is adapted to be detachably connected with the electric device, and the connection assembly comprises a charging connector and an interface module, the charging connector is connected with the charging structure, and the interface module is connected with the first thermal management structure.

[0009] In some embodiments, the interface module comprises a first interface and a second interface, any one of the first interface and the second interface is adapted to supply the heat exchange medium to the electric device, and the other one of the first interface and the second interface is adapted to recover the heat exchange medium from the electric device.

[0010] In some embodiments, the connection assembly comprises an assembly shell, and the charging connector and the interface module are located in the assembly shell.

[0011] In some embodiments, the first thermal management structure is adapted to perform thermal management on the charging structure.

[0012] In some embodiments, the first thermal management structure comprises a compression device, a condensing device and a first expansion device, the charging device comprises a first interface and a second interface, any one of the first interface and the second interface is adapted to supply heat exchange medium to the electric device, the other one of the first interface and the second interface is adapted to recover heat exchange medium from the electric device, the first interface is connected with the compression device, the condensing device is connected between the compression device and the first expansion device, and the first expansion device is adapted to be connected with the second interface.

[0013] In some embodiments, further comprising a heat exchange element adapted to exchange heat with the charging structure, the heat exchange element is connected with the first thermal management structure.

[0014] In some embodiments, the first thermal management structure comprises a first pipeline and a second expansion device, the second expansion device is arranged on the first pipeline, and the first pipeline is connected with the heat exchange element.

[0015] In some embodiments, further comprising a second pipeline, one end of the second pipeline is adapted to be connected with the first interface, and the other end of the second pipeline is adapted to be connected between the compression device and the condensing device.

[0016] In some embodiments, further comprising a first valve and a second valve, the first valve is arranged on the second pipeline, and the second valve is arranged between the first interface and the compression device.

[0017] In some embodiments, further comprising a third valve, the third valve is arranged between the second pipeline and the condenser.

[0018] In some embodiments, further comprising a third pipeline, one end of the third pipeline is adapted to be connected with the second interface, and the other end of the third pipeline is connected between the condenser and the first expansion device.

[0019] In some embodiments, further comprising a fourth valve and a fifth valve, the fourth valve is arranged on the third pipeline, and the fifth valve is arranged between the third pipeline and the first expansion device.

[0020] In some embodiments, further comprising a pump body and a circulation pipeline, the charging structure exchanges heat with the circulation pipeline, and the pump body and the heat exchange element are arranged on the circulation pipeline.

[0021] In some embodiments, the first thermal management structure has a cooling mode, in which the first valve and the fourth valve are closed, the second valve, the third valve and the fifth valve are opened, and the compression device and the pump body are opened; when the electrical equipment is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the first expansion device, the fifth valve, the second interface, the electrical equipment, the first interface and the compression device; when the charging structure is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the second expansion device, the compression device, and the heat exchange medium in the circulation pipeline sequentially passes through the pump body, the charging structure, the heat exchange element and the pump body.

[0022] In some embodiments, the first thermal management structure has a mixed mode, in which the first valve and the fourth valve are opened, the second valve, the third valve and the fifth valve are closed, and the compression device and the pump body are opened; when the electrical equipment is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the first valve, the first interface, the heat exchange element, the second interface, the fourth valve, the second expansion device, the heat exchange element, the compression device, and the heat exchange medium in the circulation pipeline sequentially passes through the pump body, the charging structure, the heat exchange element and the pump body.

[0023] In some embodiments, the charging structure and the first thermal management structure are located in a housing.

[0024] Embodiments of the present application also provide an electrical equipment, comprising: a heat exchange structure, the heat exchange structure having an external interface, the external interface being adapted to be connected with a first thermal management structure of an external device to receive a heat exchange medium of the first thermal management structure of the external device.

[0025] In some embodiments, a second thermal management structure is further included, and the second thermal management structure is connected with the heat exchange structure.

[0026] In some embodiments, the external interface is connected with the heat exchange structure through an external pipeline, and a valve assembly is arranged between the external pipeline and the second thermal management structure.

[0027] In some embodiments, the electrical equipment comprises a vehicle.

[0028] Embodiments of the present application also provide a charging system, comprising the charging device according to the above-mentioned embodiments and the electrical equipment according to the above-mentioned embodiments.

[0029] The charging device further comprises a first thermal management structure. The first thermal management structure is capable of supplying a heat exchange medium to the electric device for thermal management of the electric device. In this way, the electric device can be cooled or heated by the heat exchange medium supplied by the charging device while being charged, which significantly improves the thermal management efficiency of the electric device. In addition, the charging device can heat or cool the battery of the electric device, so that the battery works in a suitable temperature range, improving the charging efficiency of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0030] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

[0031] FIG. 1 is a schematic diagram of a charging system according to an embodiment of the present application.

[0032] FIG. 2 is a schematic diagram of a charging system according to an embodiment of the present application.

[0033] FIG. 3 is a schematic diagram of a charging system according to an embodiment of the present application.

[0034] FIG. 4 is a schematic diagram of an interface module according to an embodiment of the present application.

[0035] Reference signs: 1, second thermal management structure; 2, sixth electromagnetic valve; 3, seventh electromagnetic valve; 4, direct cooling plate; 5, interface module; 51, module shell; 501, charging connector; 502, first interface; 503, second interface; 6, first electromagnetic valve; 7, second electromagnetic valve; 8, compressor; 9, third electromagnetic valve; 10, condenser; 11, fourth electromagnetic valve; 12, fifth electromagnetic valve; 13, first expansion valve; 14, second expansion valve; 15, water pump; 16, plate heat exchanger; 17, charging structure; 18, vehicle-mounted charger; 19, circulation pipeline; 20, second pipeline; 21, third pipeline; 22, fourth pipeline; 23, fifth pipeline; 24, shell; 25, external interface; 26, first pipeline. DETAILED DESCRIPTION

[0036] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. Note that the relative arrangement, numerical expressions, and numerical values of components and steps set forth in these embodiments are not limiting to the scope of the present application unless otherwise specifically stated.

[0037] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way limiting to the scope of the application or its applications or uses.

[0038] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art(s) can not be discussed in detail herein. However, where appropriate, the techniques, methods, and apparatus should be considered as being part of the description of the application.

[0039] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Thus, other examples of the exemplary embodiments can have different values.

[0040] It should be noted that like reference numerals and letters in the various figures indicate similar items, and thus, once any certain item is defined in one figure, it should not have to be discussed further in subsequent figures.

[0041] Embodiments of the present application provide a charging device 100. As shown in FIG. 1, the charging device 100 includes a charging structure 17 adapted to charge an electrical device, and a first thermal management structure adapted to supply a heat exchange medium to the electrical device for thermal management of the electrical device.

[0042] In some embodiments, the charging structure 17 includes a charger, a charging controller, a power supply system, etc. electrically connected together. The power supply system is used to supply power to the charger. The charger includes, for example, a branch charging set, an alternating current charging set, etc. The charging controller is used to control and monitor the charging process of the charger. The first thermal management structure is capable of supplying the heat exchange medium to the electrical device for heating or cooling of the electrical device. The heat exchange medium can be, but is not limited to, a gas, water, oil, a phase change refrigerant, etc. For example, the charging device 100 further includes a housing 24, and the charging structure 17 and the first thermal management structure are disposed in the housing 24.

[0043] The charging device 100 includes a charging structure 17 through which the electrical device can be charged. The charging device 100 further includes a first thermal management structure. The first thermal management structure is capable of supplying a heat exchange medium to the electrical device for thermal management of the electrical device. In this way, the electrical device can be cooled or heated using the heat exchange medium supplied by the charging device 100 while being charged, which significantly improves the thermal management efficiency of the electrical device. In addition, the charging device 100 can heat or cool the battery of the electrical device, so that the battery works in a suitable temperature range, improving the charging efficiency of the battery.

[0044] In some embodiments, the charging device 100 includes a connecting assembly adapted to be detachably connected with the electrical device, the connecting assembly including a charging connecting member 501 connected with the charging structure 17 and an interface module 5 connected with the first thermal management structure.

[0045] As shown in FIG. 1 and FIG. 4, the connecting assembly is used to detachably connect with the external interface 25 of the electrical equipment.

[0046] In some embodiments, the connecting assembly is an interface module 5 arranged on the charging gun or the charging pile. The connecting assembly realizes the connection between the charging device 100 and the charging circuit and the heat exchange pipeline (for example, the fourth pipeline 22 and the fifth pipeline 23 described below) of the electrical equipment. The charging connecting piece 501 is connected with the charging structure 17 through wires, copper bars, etc. The charging connecting piece 501 is used to connect with the charging interface in the external interface 25 of the electrical equipment, so as to realize the connection between the charging structure 17 and the charging circuit of the electrical equipment. The interface module 5 is connected with the first heat management structure through the pipeline. The interface module 5 is used to connect with the heat exchange medium interface in the external interface 25 of the electrical equipment, so as to realize the connection between the first heat management structure and the heat exchange pipeline of the electrical equipment.

[0047] In some embodiments, the interface module 5 includes a first interface 502 and a second interface 503, any one of the first interface 502 and the second interface 503 is adapted to supply heat exchange medium to the electrical equipment, and the other one of the first interface 502 and the second interface 503 is adapted to recover heat exchange medium from the electrical equipment.

[0048] As shown in FIG. 4, the interface module 5 includes a first interface 502 and a second interface 503. One of the first interface 502 and the second interface 503 is an interface for supplying heat exchange medium to the electrical equipment, and the other one is an interface for recovering heat exchange medium flowing through the electrical equipment. For example, the recovered heat exchange medium is supplied to the electrical equipment after heat exchange through the first heat management structure. In this way, the interface module 5 realizes the circulation of the heat exchange medium between the first heat management structure and the electrical equipment.

[0049] In some embodiments, the interface module 5 is provided with only one interface, so that the first heat management structure only supplies heat exchange medium, but does not recover heat exchange medium.

[0050] In some embodiments, the connecting assembly includes an assembly shell 51, and the charging connecting piece 501 and the interface module 5 are located in the assembly shell 51.

[0051] As shown in FIG. 4, the material of the assembly shell 51 can be metal, plastic, rubber, ceramic, etc. For example, the charging connecting piece 501, the interface module 5, etc. are fixed in the assembly shell 51 by means of clamping, injection molding, etc. The assembly shell 51 integrates the charging connecting piece 501 and the interface module 5 together. The assembly shell 51 has a connecting end, and the charging connecting piece 501 and the interface module 5 are located at the connecting end. When connecting, the module shell is connected with the external interface 25 of the electrical equipment, so that the charging connecting piece 501 and the interface module 5 are simultaneously connected with the external interface 25. This makes the connection of the connecting assembly and the external interface 25 easy.

[0052] In some embodiments, the first thermal management structure is adapted to thermally manage the charging structure 17.

[0053] The first thermal management structure not only supplies the electrical equipment with heat exchange medium to cool or heat the electrical equipment, but also cools the charging structure 17. This enables the charging structure 17 to work at a suitable temperature, improving the charging efficiency of the charging structure 17.

[0054] In some embodiments, the first thermal management structure includes a compression device, a condensing device, and a first expansion device, the charging device 100 includes a first interface 502 and a second interface 503, any one of the first interface 502 and the second interface 503 is adapted to supply the electrical equipment with heat exchange medium, the other one of the first interface 502 and the second interface 503 is adapted to recover heat exchange medium from the electrical equipment, the first interface 502 is connected with the compression device, the condensing device is connected between the compression device and the first expansion device, and the first expansion device is adapted to be connected with the second interface 503.

[0055] As shown in FIG. 1 and FIG. 4, the compression device includes a compressor 8, for example. The heat exchange medium is a phase-change refrigerant, for example. The compressor 8 is used to suck and compress the phase-change refrigerant from the low-pressure side, so as to increase the temperature and pressure of the phase-change refrigerant, and then pump it into the high-pressure side and reciprocate. The condensing device includes a condenser 10, for example. The condenser 10 is used to convert the phase-change refrigerant at high temperature and high pressure into a low-temperature and low-pressure state. The expansion device includes an expansion valve. The expansion valve is used to adjust the flow of the phase-change refrigerant, so as to make the phase-change refrigerant fully evaporate and absorb heat in the evaporation process. The expansion valve includes a first expansion valve 13. The first interface 502 is connected with the compression device through a pipeline, and the second interface 503 is connected with the first expansion valve 13 through a pipeline. The first interface 502 can recover the phase-change refrigerant at low pressure from the electrical equipment. The second interface 503 can supply the phase-change refrigerant to the electrical equipment.

[0056] In some embodiments, the charging device 100 further comprises a heat exchange element adapted to exchange heat with the charging structure 17, the heat exchange element being connected with the first thermal management structure.

[0057] As shown in FIG. 1, the heat exchange element is used for heat exchange.

[0058] In some embodiments, the heat exchange element comprises a plate heat exchanger 16, a tube heat exchanger, etc. For example, the plate heat exchanger 16 is arranged on a pipeline (e.g. the first pipeline 26 described below) of the first thermal management structure. The plate heat exchanger 16 can conduct heat of a heat exchange medium to the charging structure 17 to cool the charging structure 17.

[0059] In some embodiments, the first thermal management structure comprises a first pipeline 26 and a second expansion device arranged on the first pipeline 26, the first pipeline 26 being connected with the heat exchange element.

[0060] As shown in FIG. 1, one end of the first pipeline 26 is connected with the inlet of the compressor 8, and the other end is connected with the outlet of the condenser 10 (or the inlet of the first expansion valve 13). The plate heat exchanger 16 and the second expansion valve 14 are arranged on the first pipeline 26. The second expansion valve 14 is connected with the outlet of the condenser 10 through the first pipeline 26. The plate heat exchanger 16 is connected with the inlet of the compressor 8 through the first pipeline 26. The charging structure 17 is connected with a circulation pipeline 19. The plate heat exchanger 16 is arranged on the circulation pipeline 19. A water pump 15 is further arranged on the circulation pipeline 19. Water flows in the circulation pipeline 19. The water pump 15 drives the water to circulate in the circulation pipeline 19. The plate heat exchanger 16 conducts cold energy of the phase-change refrigerant to the water, and the cold energy is further conducted to the charging structure 17 through the circulation of the water to cool the charging structure 17.

[0061] In some embodiments, the charging device 100 further comprises a second pipeline 20, one end of the second pipeline 20 being adapted to be connected with the first interface 502, and the other end of the second pipeline 20 being adapted to be connected between the compression device and the condensation device.

[0062] As shown in FIG. 3, the second pipeline 20 is connected between the outlet of the compressor 8 and the first interface 502. For example, the compressor 8 receives the phase-change refrigerant from the first pipeline 26, and supplies the phase-change refrigerant to the second pipeline 20 after compression. The second pipeline 20 can supply the phase-change refrigerant at the outlet of the compressor 8 to the electric device through the first outlet.

[0063] In some embodiments, the charging device 100 further comprises a first valve arranged on the second pipeline 20 and a second valve arranged between the first interface 502 and the compression device.

[0064] The valves can be, but are not limited to, pneumatic valves, solenoid valves, etc. For example, the first valve is a first solenoid valve 6, and the second valve is a second solenoid valve 7. As shown in FIG. 2, when the first interface 502 is used to recover the phase-change refrigerant from the electrical equipment, the second solenoid valve 7 is opened, and the first solenoid valve 6 is closed. As shown in FIG. 3, when the first interface 502 is used to supply the phase-change refrigerant to the electrical equipment, the first solenoid valve 6 is opened, and the second solenoid valve 7 is closed.

[0065] In some embodiments, the charging device 100 further comprises a third valve, which is arranged between the second pipeline 20 and the condenser 10.

[0066] For example, the third valve is a third solenoid valve 9. As shown in FIG. 2, when the phase-change refrigerant at the outlet of the compressor 8 is supplied to the condenser 10, the third solenoid valve 9 is opened, and the first solenoid valve 6 is closed. As shown in FIG. 3, when the phase-change refrigerant at the outlet of the compressor 8 is supplied to the electrical equipment through the first interface 502, the first solenoid valve 6 is opened, and the third solenoid valve 9 is closed.

[0067] In some embodiments, the charging device 100 further comprises a third pipeline 21, one end of which is adapted to be connected to the second interface 503, and the other end of which is connected between the condenser 10 and the first expansion device.

[0068] As shown in FIG. 3, the third pipeline 21 is connected between the second interface 503 and the first pipeline 26, so that the phase-change refrigerant from the second interface 503 can be supplied to the first pipeline 26 without passing through the first expansion valve 13 and the compressor 8.

[0069] In some embodiments, the charging device 100 further comprises a fourth valve and a fifth valve, the fourth valve being arranged on the third pipeline 21, and the fifth valve being arranged between the third pipeline 21 and the first expansion device.

[0070] The fourth valve is a fourth solenoid valve 11, and the fifth valve is a fifth solenoid valve 12. As shown in FIG. 2, when the phase-change refrigerant at the outlet of the condenser 10 is supplied to the second interface 503 through the first expansion valve 13, the fifth solenoid valve 12 is opened, and the fourth solenoid valve 11 is closed. As shown in FIG. 3, when the phase-change refrigerant received by the second interface 503 is supplied to the first pipeline 26, the fourth solenoid valve 11 is opened, and the fifth solenoid valve 12 is closed.

[0071] In some embodiments, the charging device 100 further comprises a pump body and a circulating pipeline 19, the charging structure 17 being in heat exchange with the circulating pipeline 19, and the pump body and the heat exchange element being arranged on the circulating pipeline 19.

[0072] As shown in FIG. 1, a heat exchange medium, such as water, oil, etc., flows in the circulation pipeline 19. The pump body includes a water pump 15, an oil pump, etc. The pump body is used to circulate the heat exchange medium in the circulation pipeline 19, so as to conduct the cold of the heat exchange element to the charging structure 17, and cool the charging structure 17.

[0073] In some embodiments, the first thermal management structure has a refrigeration mode, in which the first valve and the fourth valve are closed, the second valve, the third valve and the fifth valve are opened, and the compression device and the pump body are opened; when the electric device is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the first expansion device, the fifth valve, the second interface 503, the electric device, the first interface 502 and the compression device; when the charging structure 17 is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the second expansion device, the compression device, and the heat exchange medium in the circulation pipeline 19 sequentially passes through the pump body, the charging structure 17, the heat exchange element and the pump body.

[0074] FIG. 2 shows one working mode of the charging device 100. The electric device is, for example, a vehicle. In this working mode, the charging structure 17 is electrically connected with the on-board charger 18 of the vehicle, so as to charge the battery of the vehicle through the on-board charger 18. The first thermal management structure refrigerates the electric device and the charging structure 17.

[0075] The first electromagnetic valve 6 and the fourth electromagnetic valve 11 are closed. The second electromagnetic valve 7, the third electromagnetic valve 9 and the fifth electromagnetic valve 12 are opened. The compressor 8 and the water pump 15 are opened. The first thermal management structure refrigerates the battery through the battery direct cooling plate 4, and refrigerates the charging structure 17 through the plate heat exchanger 16. For example, the refrigeration process of the battery is that the heat exchange medium, such as phase change refrigerant, sequentially passes through the compressor 8, the third electromagnetic valve 9, the condenser 10, the first expansion valve 13, the fifth electromagnetic valve 12, the second interface 503 to the battery direct cooling plate 4, and then returns to the first interface 502 through the battery direct cooling plate 4, and then passes through the second electromagnetic valve 7 to the compressor 8, to complete one cycle. The refrigeration process of the charging structure 17 is that the phase change refrigerant sequentially passes through the compressor 8, the third electromagnetic valve 9, the condenser 10, the second expansion valve 14 to the plate heat exchanger 16, and then returns to the compressor 8 after heat exchange through the plate heat exchanger 16. The cold of the plate heat exchanger 16 is conducted to the water in the circulation pipeline 19, and is driven by the water pump 15 to the charging structure 17, so as to refrigerate the charging structure 17, and the water returns to the plate heat exchanger 16 after heat exchange through the charging structure 17.

[0076] In some embodiments, the first thermal management structure has a mixed mode in which the first valve and the fourth valve are open, the second valve, the third valve and the fifth valve are closed, and the compression device and the pump body are open; when the electrical equipment is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the first valve, the first interface 502, the heat exchange element, the second interface 503, the fourth valve, the second expansion device, the heat exchange element, the compression device, and the heat exchange medium in the circulation pipeline 19 sequentially passes through the pump body, the charging structure 17, the heat exchange element and the pump body.

[0077] FIG. 3 shows another working mode of the charging device 100. In this working mode, the charging structure 17 is electrically connected with the on-board charger 18 of the vehicle to charge the battery of the vehicle through the on-board charger 18. The first thermal management structure cools the charging structure 17 and heats the battery.

[0078] The second electromagnetic valve 7, the third electromagnetic valve 9 and the fifth electromagnetic valve 12 are closed. The first electromagnetic valve 6 and the fourth electromagnetic valve 11 are open. The compressor 8 and the water pump 15 are open. The phase-change refrigerant does not pass through the condenser 10. The battery heating process includes that the phase-change refrigerant sequentially passes through the compressor 8, the first electromagnetic valve 6, the first interface 502, the battery direct cooling plate 4, the second interface 503, the fourth electromagnetic valve 11, the second expansion valve 14, the plate heat exchanger 16 and returns to the compressor 8. When passing through the plate heat exchanger 16, the phase-change refrigerant exchanges heat with the water in the circulation pipeline 19, takes away the heat in the water, and uses the heat for battery heating. The water in the circulation pipeline 19 sequentially passes through the charging structure 17, the plate heat exchanger 16 and returns to the water pump 15 under the driving of the water pump 15, thereby cooling the charging structure 17.

[0079] The embodiments of the present application also provide an electrical equipment. The electrical equipment comprises a heat exchange structure, the heat exchange structure has an external interface 25, the external interface 25 is adapted to be connected with a first thermal management structure of an external device to receive a heat exchange medium of the first thermal management structure of the external device.

[0080] The electric device can be, but is not limited to, a vehicle, a ship, an airplane, a train, etc. The electric device includes a battery. Taking the vehicle as an example, the vehicle includes a vehicle charger 18. The vehicle charger 18 is connected with the battery. The vehicle charger 18 is connected with the external interface 25. The external interface 25 is detachably connected with the connection assembly of the charging device 100. The heat exchange structure includes a battery direct cooling plate 4. The battery direct cooling plate 4 is connected with the external interface 25 through a fourth pipeline 22 and a fifth pipeline 23. For example, the fourth pipeline 22 is adapted to be connected with the first interface 502. The fifth pipeline 23 is adapted to be connected with the second interface 503. The battery direct cooling plate 4 is used for heat exchange with the battery. The electric device can be heated or cooled by the heat exchange medium supplied by the first heat management structure of the charging device 100 while being connected with the charging device 100 and being charged, thereby improving the heat management efficiency of the battery.

[0081] In some embodiments, the electric device further includes a second heat management structure 1 connected with the heat exchange structure.

[0082] As shown in FIG. 1, the second heat management structure 1 is, for example, a vehicle air conditioner. The vehicle air conditioner is connected with the fourth pipeline 22 and the fifth pipeline 23 through two air conditioner pipelines respectively, and the two air conditioner pipelines are respectively provided with a sixth electromagnetic valve 2 and a seventh electromagnetic valve 3. The vehicle air conditioner can be connected with the battery direct cooling plate 4 and can heat or cool the battery. In this way, the battery can be heat managed by the first heat management structure and the second heat management structure 1, which further improves the heat management efficiency of the battery.

[0083] In some embodiments, the external interface 25 is connected with the heat exchange structure through an external pipeline, and a valve assembly is arranged between the external pipeline and the second heat management structure 1.

[0084] As shown in FIG. 1, the external pipeline includes the fourth pipeline 22 and the fifth pipeline 23. One end of the fourth pipeline 22 and the fifth pipeline 23 is connected with the battery direct cooling plate 4, and the other end is connected with the external interface 25. One of the fourth pipeline 22 and the fifth pipeline 23 is used for the phase change refrigerant to enter the battery direct cooling plate 4, and the other is used for the phase change refrigerant to flow out of the battery direct cooling plate 4. The vehicle air conditioner is connected with the fourth pipeline 22 and the fifth pipeline 23 through two air conditioner pipelines respectively. The two air conditioner pipelines are respectively provided with the sixth electromagnetic valve 2 and the seventh electromagnetic valve 3. When the second heat management structure 1 does not heat manage the battery, the sixth electromagnetic valve 2 and the seventh electromagnetic valve 3 are closed. When the second heat management structure 1 heat manages the battery, the sixth electromagnetic valve 2 and the seventh electromagnetic valve 3 are opened.

[0085] The embodiments of the present application also provide a charging system. The charging system includes the charging device 100 and the electric device described in the present application.

[0086] The charging system has the characteristics of high charging efficiency and high thermal management efficiency.

[0087] The above embodiments mainly describe the differences between the embodiments, and the different optimization features between the embodiments can be combined to form a better embodiment without contradiction.

[0088] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A charging device (100), wherein, comprises: a charging structure (17) adapted to charge an electric device; and a first thermal management structure adapted to supply a heat exchange medium to the electric device for thermal management of the electric device.

2. The charging device (100) according to claim 1, further comprising: a connection assembly adapted to detachably connect with the electric device, the connection assembly comprising a charging connection (501) connected with the charging structure (17) and an interface module (5) connected with the first thermal management structure.

3. The charging device (100) according to claim 2, the interface module (5) comprising a first interface (502) and a second interface (503), any one of the first interface (502) and the second interface (503) being adapted to supply the heat exchange medium to the electric device, the other one of the first interface (502) and the second interface (503) being adapted to recover the heat exchange medium from the electric device.

4. The charging device (100) according to claim 2 or 3, the connection assembly comprising an assembly housing (51), the charging connection (501) and the interface module (5) being located in the assembly housing (51).

5. The charging device (100) according to any one of claims 1 to 4, the first thermal management structure being adapted to thermally manage the charging structure (17).

6. The charging device (100) according to any one of claims 1 to 5, the first thermal management structure comprising a compression device, a condensation device and a first expansion device, the charging device (100) comprising a first interface (502) and a second interface (503), any one of the first interface (502) and the second interface (503) being adapted to supply the heat exchange medium to the electric device, the other one of the first interface (502) and the second interface (503) being adapted to recover the heat exchange medium by the electric device, the first interface (502) being connected with the compression device, the condensation device being connected between the compression device and the first expansion device, the first expansion device being adapted to be connected with the second interface (503).

7. The charging device (100) according to any one of claims 1 to 6, further comprising: a heat exchange element adapted to exchange heat with the charging structure (17), the heat exchange element being connected with the first thermal management structure.

8. The charging device (100) according to claim 7, the first thermal management structure comprising a first pipe (26) and a second expansion device, the second expansion device being provided on the first pipe (26), the first pipe (26) being connected with the heat exchange element.

9. The charging device (100) according to any one of claims 6 to 8, further comprising: a second pipe (20), one end of the second pipe (20) being adapted to be connected with the first interface (502), the other end of the second pipe (20) being adapted to be connected between the compression device and the condensation device.

10. The charging device (100) according to claim 9, further comprising: a first valve provided on the second pipe (20) and a second valve provided between the first interface (502) and the compression device.

11. The charging device (100) according to claim 9 or 10, further comprising: a third valve provided between the second pipeline (20) and the condensing device.

12. The charging device (100) according to any one of claims 6 to 11, further comprising: a third pipeline (21) having one end adapted to be connected with the second interface (503) and the other end connected between the condensing device and the first expansion device.

13. The charging device (100) according to claim 12, further comprising: a fourth valve provided on the third pipeline (21) and a fifth valve provided between the third pipeline (21) and the first expansion device.

14. The charging device (100) according to claim 12 or 13, further comprising: a pump body and a circulating pipeline (19) having heat exchange with the charging structure (17), the pump body and the heat exchange element being provided on the circulating pipeline (19).

15. The charging device (100) according to claim 14, the first thermal management structure having a refrigeration mode, in which the first valve and the fourth valve are closed, the second valve, the third valve and the fifth valve are opened, and the compression device and the pump body are opened; when the electric device is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the first expansion device, the fifth valve, the second interface (503), the electric device, the first interface (502) and the compression device; when the charging structure (17) is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the third valve, the condensing device, the second expansion device, the compression device, and the heat exchange medium in the circulating pipeline (19) sequentially passes through the pump body, the charging structure (17), the heat exchange element and the pump body.

16. The charging device (100) according to claim 14 or 15, the first thermal management structure having a mixed mode, in which the first valve and the fourth valve are opened, the second valve, the third valve and the fifth valve are closed, and the compression device and the pump body are opened; when the electric device is cooled, the heat exchange medium in the first thermal management structure sequentially passes through the compression device, the first valve, the first interface (502), the heat exchange element, the second interface (503), the fourth valve, the second expansion device, the heat exchange element, the compression device, and the heat exchange medium in the circulating pipeline (19) sequentially passes through the pump body, the charging structure (17), the heat exchange element and the pump body.

17. The charging device (100) according to any one of claims 1 to 16, further comprising: a housing (24) in which the charging structure (17) and the first thermal management structure are located.

18. An electrical device, comprising: comprising: a heat exchange structure having an external interface (25) adapted to be connected with a first thermal management structure of an external device to receive heat exchange medium of the first thermal management structure of the external device.

19. The electric device according to claim 18, further comprising a second thermal management structure (1) connected with the heat exchange structure.

20. The powered device of claim 19, said external interface (25) being connected to said heat exchange structure through an external line, a valve assembly being provided between said external line and said second thermal management structure (1).

21. The powered device of any one of claims 18 to 20, said powered device comprising a vehicle.

22. A charging system, wherein, A charging device (100) as claimed in any one of claims 1 to 17, or a powered device as claimed in any one of claims 18 to 21.

Citation Information

Patent Citations

  • Charging pile

    CN108032750A

  • Electric vehicle charging and liquid cooling heat management system

    CN113263959A

  • Method for charging electrical energy store of motor vehicle, motor vehicle and charging station

    CN116278845A

  • Thermal management device suitable for direct-current quick charging of vehicle and charging pile

    CN116729163A

  • Fast charging cooling loop heat exchanger

    US20200343610A1