Heat exchange system, energy storage device and electric apparatus

Abstract

Disclosed in the present application are a heat exchange system, an energy storage device and an electric apparatus. The heat exchange system comprises a cooling liquid assembly, wherein the cooling liquid assembly comprises an integrated base and a plurality of functional components; the integrated base comprises a first liquid communication port, a second liquid communication port and a heating cavity; and the plurality of functional components comprise a heating element, a water pump and a first heat exchange member, at least one of the water pump and the first heat exchange member being mounted on the integrated base, the first liquid communication port being in communication with the heating cavity by means of the water pump, the first heat exchange member being in communication with the heating cavity by means of the second liquid communication port, and the heating element being mounted on the integrated base and heating a cooling liquid flowing through the heating cavity. Specifically, the heating element is mounted on the integrated base, and at least one of the water pump and the first heat exchange member is mounted on the integrated base, thereby achieving the integration of the functional components, reducing the degree of dispersion of the components, reducing the space occupied by the components in the heat exchange system, and thus effectively improving the space utilization rate of the heat exchange system.

Description

Heat exchange systems, energy storage devices and electrical equipment

[0001] Cross-reference to related applications

[0002] This application claims priority and benefit from the following patent applications, the entire contents of which are incorporated herein by reference:

[0003] A Chinese patent application filed on November 12, 2024 with the China National Intellectual Property Administration, application number 202411615353.2, entitled "Heat exchange system, energy storage device and electrical equipment". Technical Field

[0004] This application relates to the field of energy storage technology, and in particular to a heat exchange system, energy storage device and electrical equipment. Background Technology

[0005] Energy storage devices are widely used due to their advantages such as large energy storage capacity. An energy storage device typically includes a housing, a heat exchange system, and multiple batteries. The heat exchange system and multiple batteries are housed separately within the housing, and the heat exchange system is used to exchange heat with the multiple batteries to ensure stable operation.

[0006] In related technologies, heat exchange systems include multiple pipelines and multiple functional components. The dispersed arrangement of these pipelines and functional components results in low space utilization within the heat exchange system. Summary of the Invention

[0007] In view of the above problems, this application provides a heat exchange system, an energy storage device, and electrical equipment, which solves the problem of low space utilization in the heat exchange system.

[0008] The first aspect of this application discloses a heat exchange system, the heat exchange system including a coolant assembly, the coolant assembly comprising:

[0009] An integrated base includes a liquid flow channel, a first liquid connection port, a second liquid connection port, and a heating chamber. The liquid flow channel is connected to the first liquid connection port and the heating chamber, respectively, and the second liquid connection port is connected to the heating chamber.

[0010] The device includes multiple functional components, including a heating element, a water pump, a first heat exchanger, and a second heat exchanger. A liquid flow channel, the water pump, the first heat exchanger, and the second heat exchanger form a coolant circuit. At least one of the water pump and the first heat exchanger is mounted on an integrated base. The second heat exchanger is connected to the liquid channel through a first liquid connection port and is used to exchange heat with the battery device of the energy storage device. The second liquid connection port is connected to the second heat exchanger through the first heat exchanger. The heating element is mounted on the integrated base and can heat the coolant passing through the heating chamber.

[0011] Specifically, the heating element is installed on the integrated base, and at least one of the water pump and the first heat exchanger is also installed on the integrated base, thereby realizing the integration of functional components. This reduces the degree of component dispersion and the space occupied by the components in the heat exchange system, thus effectively improving the space utilization rate of the heat exchange system.

[0012] In some embodiments of this application, the heating chamber includes an opening, a heating element closes the opening, and a portion of the heating element extends into the heating chamber. By placing a portion of the heating element within the heating chamber, the heating element can effectively contact the coolant within the heating chamber, thereby achieving sufficient heating of the coolant and improving the heating effect.

[0013] In some embodiments of this application, the heating element includes:

[0014] Mounting base, the mounting base is mounted on the integrated base and closes the opening, the mounting base is provided with at least one protruding structure, the protruding structure extends into the heating cavity;

[0015] The heating element is housed within the protruding structure, and the heating element can heat the coolant flowing through the heating chamber through the protruding structure.

[0016] The heating element heats the coolant in the heating chamber through the protruding structure on the mounting base. The mounting base isolates the coolant from the heating element, reducing the possibility of the heating element being directly placed in the coolant, thereby reducing malfunctions caused by the heating element being directly placed in the coolant.

[0017] In some embodiments of this application, the mounting base has a mounting groove on the side opposite to the integrated base. The bottom of the mounting groove forms a protruding structure on the side facing the heating cavity through a concave design. The heating element is disposed in the concave position at the bottom. The heating element also includes a cover plate, which is connected to the mounting base and closes the opening of the mounting groove. This design facilitates the maintenance and replacement of the heating element without the need to drain the coolant from the heating cavity.

[0018] In some embodiments of this application, the mounting base is provided with a through hole, which communicates with the side wall of the mounting groove, allowing the connecting wire of the heating element to pass through. The through hole facilitates the routing of the connecting wire of the heating element, enabling the heating element to be energized via a connector, thereby allowing the heating element to heat the coolant in the heating chamber through the mounting base when energized.

[0019] In some embodiments of this application, the heating element further includes a first seal, which is disposed between the mounting base and the integrated base. The first seal improves the sealing performance between the mounting base and the integrated base, thereby reducing coolant leakage.

[0020] In some embodiments of this application, the heating element further includes a second seal, which is disposed between the mounting base and the cover plate. The second seal improves the sealing performance between the mounting base and the cover plate, thereby reducing coolant leakage.

[0021] In some embodiments of this application, the connection between the mounting base and the integrated base includes snap-fitting, bonding, welding, or fastener connection. By setting the connection method between the mounting base and the integrated base, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0022] In some embodiments of this application, the connection between the cover plate and the mounting base includes snap-fitting, bonding, welding, or fastener connection. By setting the connection method between the cover plate and the mounting base, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0023] In some embodiments of this application, the integrated base further includes a flow divider, which is disposed within the heating chamber and located at the inlet of the heating chamber. By distributing the flow divider within the heating chamber, coolant enters the heating chamber through the flow divider. The flow divider further distributes the coolant, ensuring a uniform flow rate of coolant entering the heating chamber. This allows the heating element to heat the coolant evenly, reducing uneven cooling of the coolant.

[0024] In some embodiments of this application, the flow divider includes a main flow channel and multiple branch flow channels. One end of the main flow channel is connected to the inlet of the heating chamber, and the other end of the main flow channel is connected to the heating chamber through the multiple branch flow channels. This combination of the main flow channel and the multiple branch flow channels improves the flow distribution effect of the coolant, thereby enhancing the uniformity of the coolant heating by the heating element.

[0025] In some embodiments of this application, the protruding structure is plate-shaped, and the direction from the inlet of the heating chamber to the second liquid communication port is parallel to or intersects the plate surface of the plate-shaped structure. By configuring the protruding structure, the contact area between the protruding structure and the coolant is increased, thereby improving the heat exchange efficiency with the coolant.

[0026] In some embodiments of this application, the integrated base has a receiving groove, through which a liquid flow channel is connected to the heating chamber. A water pump seals the opening of the receiving groove. The water pump includes an impeller mechanism disposed within the receiving groove to drive coolant into the heating chamber from the first liquid connection port. By providing a receiving groove and embedding the impeller mechanism of the water pump within it, the structure formed by the water pump and the integrated base becomes more compact, thereby further improving the space utilization rate of the heat exchange system.

[0027] In some embodiments of this application, the receiving tank includes a coolant inlet and a coolant outlet. The coolant inlet is located on the bottom surface of the receiving tank and coaxially communicates with the inlet of the impeller mechanism. The coolant outlet is located on the side wall of the receiving tank and communicates with the outlet of the impeller mechanism. By providing a coolant inlet and outlet within the receiving tank, the impeller mechanism of the water pump can be effectively adapted, allowing the coolant to be pumped from the first liquid connection port of the integrated base to the heating chamber under the drive of the impeller mechanism, thereby achieving coolant circulation.

[0028] In some embodiments of this application, the liquid flow channel includes a connecting channel, one end of which is connected to a first liquid inlet, and the other end of which is connected to a coolant inlet. The connecting channel is located inside the integrated base, connecting the first liquid inlet and the coolant inlet, thereby reducing the amount of piping required and making the structure more compact, thus improving space utilization.

[0029] In some embodiments of this application, multiple functional components also include an expansion tank, which is mounted on an integrated base and communicates with a connection channel. Mounting the expansion tank on the integrated base and communicating with the connection channel reduces the need for dispersed expansion tanks in the heat exchange system, improves the structural compactness of components in the heat exchange system, and effectively enhances the space utilization within the heat exchange system.

[0030] In some embodiments of this application, the connection between the expansion tank and the integrated base includes plug-in, welding, bonding, or fastener connection. By setting the connection method between the expansion tank and the integrated base, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0031] In some embodiments of this application, a first heat exchanger is disposed on an integrated base. The first heat exchanger includes a first channel, which is connected to a second liquid connection port and a second heat exchanger. The first heat exchanger is mounted on the integrated base, and the first channel within the first heat exchanger is connected to the heating chamber of the integrated base. This reduces the dispersed arrangement of the first heat exchanger in the heat exchange system, improves the structural compactness of the components in the heat exchange system, and effectively enhances the space utilization within the heat exchange system.

[0032] In some embodiments of this application, the connection between the first heat exchanger and the integrated base includes plug-in, welding, bonding, or fastener connection. By setting the connection method between the first heat exchanger and the integrated base, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0033] In some embodiments of this application, the heat exchange system further includes a piping assembly, which includes an inlet pipe and an outlet pipe. The second heat exchanger is connected to the integrated base via the inlet pipe and communicates with the first liquid communication port. The second heat exchanger is connected to the first heat exchanger via the outlet pipe and communicates with the first channel. By providing the inlet and outlet pipes, the functional components integrated on the integrated base can communicate with other components, and the position of the integrated base can be rationally arranged, reducing the obstruction of the integrated base on the internal space of the heat exchange system. This improves the smoothness of airflow in the heat exchange system, thereby enhancing the heat exchange effect between the heat exchange system and the airflow.

[0034] In some embodiments of this application, the piping assembly further includes a first connecting pipe, through which the liquid outlet pipe is connected to the first heat exchanger. Providing a first connecting pipe and using it to connect the liquid outlet pipe to the first heat exchanger shortens the length of the liquid outlet pipe and improves the ease of assembly.

[0035] In some embodiments of this application, the integrated base further includes a third liquid connection port, and multiple functional components also include a heat dissipation tank. The heat dissipation tank is connected to both the third liquid connection port and the liquid outlet pipe, and is used for heat exchange between the coolant and the air. The heat dissipation tank is provided so that the coolant can exchange heat with the air through the tank, thereby meeting the heat exchange requirements of the heat exchange system.

[0036] In some embodiments of this application, the piping assembly further includes:

[0037] The first tee fitting includes a first connector, a second connector and a third connector. The first connector is connected to the first heat exchanger through a first connecting pipe, and the second connector is connected to the liquid outlet pipe.

[0038] The second connecting pipe connects the heat dissipation tank to the integrated base.

[0039] The third connecting pipe connects the radiator to the third connector.

[0040] The first tee, the first connecting pipe, the second connecting pipe and the third connecting pipe are used to connect the heat exchange tank and the first heat exchange component in parallel, so that the coolant can flow into the first heat exchange component or the heat exchange tank, thereby meeting the usage requirements of the heat exchange system.

[0041] In some embodiments of this application, multiple functional components also include a control element. The second connecting pipe is connected to the integrated base via the control element, which is used to control the connection or disconnection between the third liquid inlet and the second connecting pipe. The control element is used to control whether coolant flows into the radiator, thereby achieving effective control of the coolant flow path and meeting the usage requirements of the heat exchange system.

[0042] In some embodiments of this application, the connection between the first connector and the first connecting pipe includes insertion, welding, bonding, or fastening. By setting the connection method between the first connector and the first connecting pipe, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0043] In some embodiments of this application, the connection between the first connecting pipe and the first heat exchanger includes insertion, welding, bonding, or fastening. By setting the connection method between the first connecting pipe and the first heat exchanger, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0044] In some embodiments of this application, the connection between the second connector and the outlet pipe includes insertion, welding, bonding, or fastening. By setting the connection method between the second connector and the outlet pipe, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0045] In some embodiments of this application, the connection between the control component and the integrated base includes plug-in, welding, bonding, or fastener connection. By setting the connection method between the control component and the integrated base, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production cycles.

[0046] In some embodiments of this application, the connection between the second connecting pipe and the control component includes insertion, welding, bonding, or fastening. By setting the connection method between the second connecting pipe and the control component, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0047] In some embodiments of this application, the connection between the second connecting pipe and the radiator includes insertion, welding, bonding, or fastening. By setting the connection method between the second connecting pipe and the radiator, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and accelerating the production cycle.

[0048] In some embodiments of this application, the third connecting pipe includes a first body and a second body, and the piping assembly further includes:

[0049] The second tee includes a fourth connector, a fifth connector, and a sixth connector. The fourth connector is connected to the radiator via the first body, and the fifth connector is connected to the third connector via the second body.

[0050] The fourth connecting pipe, one end of which is connected to the sixth connector;

[0051] The injection valve is connected to the other end of the fourth connecting pipe.

[0052] By setting a second three-way fitting, the injection valve can be connected to the third connecting pipe through the fourth connecting pipe, so that the injection valve can be used to replenish the coolant.

[0053] In some embodiments of this application, the connection between the fourth connector and the first body includes insertion, welding, bonding, or fastener connection. By setting the connection method between the fourth connector and the first body, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0054] In some embodiments of this application, the connection between the first body and the cooling water tank includes plugging, welding, bonding, or fastening. By setting the connection method between the first body and the cooling water tank, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0055] In some embodiments of this application, the connection between the fifth connector and the second body includes insertion, welding, bonding, or fastener connection. By setting the connection method between the fifth connector and the second body, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0056] In some embodiments of this application, the connection between the second body and the third connector includes insertion, welding, bonding, or fastener connection. By setting the connection method between the second body and the third connector, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0057] In some embodiments of this application, the connection between the fourth connecting pipe and the sixth connector includes insertion, welding, bonding, or fastening. By setting the connection method between the fourth connecting pipe and the sixth connector, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0058] In some embodiments of this application, the connection between the injection valve and the fourth connecting pipe includes insertion, welding, bonding, or fastening. By setting the connection method between the injection valve and the fourth connecting pipe, the connection method can be selected as needed, thereby improving the flexibility of the assembly process and facilitating faster production.

[0059] In some embodiments of this application, the first heat exchanger further includes a second channel. The first and second channels are not interconnected but are configured to exchange heat with each other. The heat exchange system also includes a refrigerant assembly, which includes a third heat exchanger connected to the second channel. The third heat exchanger is configured to exchange heat with air. The refrigerant circulates between the third heat exchanger and the first heat exchanger, while the coolant circulates between the first and second heat exchangers. The refrigerant exchanges heat with the coolant passing through the first channel within the second channel to adjust the temperature of the coolant, thereby providing heat to the battery device through the adjusted coolant.

[0060] In some embodiments of this application, the integrated base is an injection-molded or die-cast part. This design improves the ease of processing and effectively enhances the consistency of the integrated base's performance.

[0061] A second aspect of this application provides an energy storage device, which includes:

[0062] Box;

[0063] The battery unit is housed inside the casing.

[0064] According to the heat exchange system described above, the heat exchange system includes a refrigerant assembly and a coolant assembly. The coolant assembly includes a first heat exchanger and a second heat exchanger. The first heat exchanger includes a first channel and a second channel that are not interconnected. The first channel and the second channel are configured to exchange heat with each other. The second heat exchanger is connected to the first channel to form a coolant circuit. The second heat exchanger is used to exchange heat with the battery device. The refrigerant assembly includes a third heat exchanger. The third heat exchanger is connected to the second channel to form a refrigerant circuit. The third heat exchanger is used to exchange heat with air.

[0065] Specifically, in the heat exchange system of the energy storage device, the heating element is installed on the integrated base, and at least one of the water pump and the first heat exchange element is also installed on the integrated base, thereby realizing the integration of functional components, which can reduce the degree of component dispersion, reduce the space occupied by the components in the heat exchange system, and thus effectively improve the space utilization rate of the heat exchange system.

[0066] A third aspect of this application provides an electrical appliance that includes an energy storage device as described above.

[0067] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0068] Figure 1 schematically shows a simplified structural diagram of an energy storage device according to one embodiment of this application;

[0069] Figure 2 is a schematic diagram of the heat exchange system of the energy storage device shown in Figure 1 (partial structure is shown);

[0070] Figure 3 is a partial structural schematic diagram of the structure shown in Figure 2;

[0071] Figure 4 is a schematic diagram of the structure of multiple functional components shown in Figure 3 installed on the integrated base;

[0072] Figure 5 is a schematic diagram of the exploded structure of the structure shown in Figure 4;

[0073] Figure 6 is a partial structural schematic diagram of the structure shown in Figure 4;

[0074] Figure 7 is a structural schematic diagram of the structure shown in Figure 6 from another perspective;

[0075] Figure 8 is a schematic diagram of the exploded structure shown in Figure 7 (the control valve is not shown in the figure);

[0076] Figure 9 is a schematic diagram of the structure of the first heat exchanger shown in Figure 4;

[0077] Figure 10 is a structural schematic diagram of the first heat exchanger shown in Figure 9 from another perspective;

[0078] Figure 11 is a simplified structural diagram of the refrigerant assembly and coolant assembly in the energy storage device shown in Figure 1;

[0079] Figure 12 is a schematic diagram of the mounting base shown in Figure 8;

[0080] Figure 13 is a structural schematic diagram of the mounting base shown in Figure 12 from another perspective;

[0081] Figure 14 is a cross-sectional view of the flow divider shown in Figure 8.

[0082] The reference numerals in the attached drawings are as follows: 100, energy storage device; 10, housing; 101, first receiving cavity; 102, second receiving cavity; 20, battery device; 30, heat exchange system; 301, support frame; 302, outer shell; 3021, first side wall; 3022, second side wall; 31, refrigerant assembly; 311, third heat exchanger; 312, compressor; 313, throttling element; 32, coolant assembly; 321, multiple functional components; 3211, heating element; 32111, mounting base; 321111, protruding structure; 321112, mounting groove; 321113, Recessed position; 321114, Through hole; 321115, Rib structure; 32112, Cover plate; 32113, Second seal; 3212, Water pump; 3213, First heat exchanger; 32131, First inlet; 32132, First outlet; 32133, Second inlet; 32134, Second outlet; 32135, First channel; 32136, Second channel; 3214, Cooling water tank; 3215, Expansion tank; 3216, Control component; 3217, Detection component; 32171, First detection component; 32172, Second detection component; 3218, Second heat exchanger; 322, Integrated base; 3221, Receiving tank; 32211, Coolant inlet; 32212, Coolant outlet; 3222, Inlet connector; 32221, First liquid connection port; 3223, First interface; 3224, Second interface; 3225, Outlet connector; 3226, Heating chamber; 32261, Inlet; 3227, Flow divider; 32271, Branch flow channel; 32272, Main flow channel; 3228, Liquid flow channel; 32281, Connecting channel; 3229, Second liquid connection port; 323, Piping assembly; 3231, Inlet pipe; 3232, Outlet pipe; 3233, First connecting pipe; 3234, First tee fitting; 3235, Third connecting pipe; 32351, First body; 32352, Second body; 3236, Fourth connecting pipe; 3237, Second tee fitting; 3238, Injection valve; 3239, Second connecting pipe; a, First direction. Detailed Implementation

[0083] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0084] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0085] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0086] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0087] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0088] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0089] In the description of the embodiments of this application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0090] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0091] Currently, judging from market trends, the application of battery devices is becoming increasingly widespread. Battery devices are not only used in energy storage power systems such as hydropower, thermal power, wind power, and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of the application fields of battery devices, the market demand is also constantly increasing. Energy storage devices with multiple battery packs are widely used due to their advantages such as large energy storage capacity.

[0092] In related technologies, the heat exchange system of an energy storage device includes multiple pipelines and multiple functional components. The dispersed arrangement of these pipelines and functional components results in low space utilization within the heat exchange system.

[0093] In this application, the heat exchange system includes a coolant assembly, which comprises an integrated base and multiple functional components. The integrated base includes a liquid flow channel, a first liquid connection port, a second liquid connection port, and a heating chamber. The liquid flow channel is connected to both the first liquid connection port and the heating chamber, and the second liquid connection port is connected to the heating chamber. The multiple functional components include a heating element, a water pump, a first heat exchanger, and a second heat exchanger. The liquid flow channel, water pump, first heat exchanger, and second heat exchanger form a coolant circuit. At least one of the water pump and the first heat exchanger is mounted on the integrated base. The second heat exchanger is connected to the liquid channel through the first liquid connection port and is used to exchange heat for the battery device of the energy storage device. The second liquid connection port is connected to the second heat exchanger through the first heat exchanger. The heating element is mounted on the integrated base and can heat the coolant passing through the heating chamber. By mounting the heating element on the integrated base, and simultaneously mounting at least one of the water pump and the first heat exchanger on the integrated base, the functional components are integrated, thereby reducing the degree of component dispersion and the space occupied by the components within the heat exchange system, thus effectively improving the space utilization rate of the heat exchange system.

[0094] In some embodiments of this application, as shown in Figures 1 to 14, a heat exchange system 30 is proposed. The heat exchange system 30 includes a coolant assembly 32, which includes an integrated base 322 and multiple functional components 321. The integrated base 322 includes a liquid flow channel 3228, a first liquid connection port 32221, a second liquid connection port 3229, and a heating chamber 3226. One end of the liquid flow channel 3228 is connected to the first liquid connection port 32221, and the other end of the liquid flow channel 3228 is connected to the heating chamber 3226. The second liquid connection port 3229 is connected to the heating chamber 3226. The multiple functional components 321 include a heating element 3211 and a water pump 3212. A first heat exchanger 3213 and a second heat exchanger 3218, a liquid flow channel 3228, a water pump 3212, the first heat exchanger 3213 and the second heat exchanger 3218 form a coolant circuit. At least one of the water pump 3212 and the first heat exchanger 3213 is mounted on the integrated base 322. The second heat exchanger 3218 is connected to the liquid flow channel 3228 through the first liquid connection port 32221 and is used to exchange heat with the battery device 20 of the energy storage device 100. The second liquid connection port 3229 is connected to the second heat exchanger 3218 through the first heat exchanger 3213. A heating element 3211 is mounted on the integrated base 322 and can heat the coolant passing through the heating chamber 3226.

[0095] In this application, the coolant assembly 32 can form a coolant circulation path, in which the coolant (which can be molten metal, ethylene glycol, or an aqueous solution of ethylene glycol, etc.; the type of coolant is not limited in this embodiment) circulates. The functional components refer to components that perform specific functions in the coolant circulation path, such as the water pump 3212, the heating element 3211, or the first heat exchanger 3213, etc. Driven by the water pump 3212, the coolant can circulate in the coolant circulation path.

[0096] When the coolant temperature cannot meet the heat exchange requirements of the heat exchange system 30, the heating element 3211 is required to heat the coolant. The heating element 3211 is activated so that as the coolant passes through it, it heats the coolant, raising its temperature to meet the heat exchange requirements of the heat exchange system 30. When the coolant flows to the first heat exchange element 3213, it can exchange heat with other components to bring their temperatures up to the required levels.

[0097] In addition, the integrated base 322 serves as a mounting carrier for functional components. When functional components are mounted on the integrated base 322, the connection between the functional components and the integrated base 322 can be achieved by welding, bonding, snap-fitting, or by connecting parts such as bolts or screws.

[0098] The functional components mounted on the integrated base 322 need to be connected. The structure for connecting the two functional components includes pipes (external pipes, such as hoses) or internal channels of the integrated base 322.

[0099] For example, an internal flow channel can be provided on the integrated base 322 to connect and connect the functional components integrated on the integrated base 322. When the integrated base 322 has an internal flow channel, the internal flow channel is a flow channel structure formed inside the integrated base 322, that is, an integral structure with the integrated base 322. The internal flow channel is formed simultaneously during the machining of the integrated base 322. The number of internal flow channels can be one or more, where "multiple" means that the number of internal flow channels can be two, three, four, five, or six, etc. In addition, the shape of the flow cross section of the internal flow channel includes, but is not limited to, rectangle, circle, ellipse, triangle, rhombus, trapezoid, pentagon, or hexagon. The internal flow channel can be a straight flow channel or a broken flow channel. When the internal flow channel is a broken flow channel, an arc transition structure is formed at the corner of the flow channel to reduce the flow resistance of the coolant at the corner, thereby increasing the flow rate of the coolant and improving the heat exchange efficiency of the heat exchange system 30.

[0100] It should be understood that the heating chamber 3226 is formed on the integrated base 322. The heating chamber 3226 can be integrally formed with the integrated base 322, or it can be formed on the integrated base 322 through post-processing. The coolant enters the heating chamber 3226 through the first liquid connection port 32221 on the integrated base 322, and flows out of the heating chamber 3226 through at least the second liquid connection port 3229. After the coolant enters the heating chamber 3226, the heating element 3211 can be used to heat the coolant, thereby changing the temperature of the coolant and making the coolant meet the heat exchange requirements of the heat exchange system 30.

[0101] In this application, the heating element 3211 is integrated (hereinafter, integration means that the component is mounted on the integrated base 322) on the integrated base 322. Among the water pump 3212 and the first heat exchanger 3213, only the water pump 3212 may be integrated on the integrated base 322, only the first heat exchanger 3213 may be integrated on the integrated base 322, or both the water pump 3212 and the first heat exchanger 3213 may be integrated on the integrated base 322.

[0102] The heating element 3211 is installed on the integrated base 322, and at least one of the water pump 3212 and the first heat exchanger 3213 is also installed on the integrated base 322. This achieves the integration of functional components, thereby reducing the degree of component dispersion and the space occupied by the components in the heat exchange system 30, and thus effectively improving the space utilization rate of the heat exchange system 30.

[0103] In some embodiments of this application, as shown in Figures 5 and 8, the heating cavity 3226 includes an opening, the heating element 3211 closes the opening, and a portion of the body of the heating element 3211 extends into the heating cavity 3226.

[0104] Specifically, the heating cavity 3226 is formed on the integrated base 322. The heating cavity 3226 has an open structure, and the open position of the heating cavity 3226 is the opening of the heating cavity 3226. The heating element 3211 is installed and fixed on the integrated base 322, and the fixed heating element 3211 closes the opening of the heating cavity 3226, so that the heating cavity 3226 is isolated from the outside at the opening position. Part of the body of the heating element 3211 extends into the interior of the heating cavity 3226 through the opening of the heating cavity 3226, that is, part of the body of the heating element 3211 is disposed inside the heating cavity 3226.

[0105] It should be understood that the part of the body located in the heating chamber 3226 has heating capability, and the coolant in the heating chamber 3226 can be heated by the part of the body located in the heating chamber 3226.

[0106] When the coolant needs to be heated, the heating element 3211 is activated. Part of the heating element 3211 located in the heating chamber 3226 heats the coolant flowing through the heating chamber 3226 to increase the temperature of the coolant, thereby enabling the coolant to meet the heat exchange requirements of the heat exchange system 30.

[0107] By placing a portion of the heating element 3211 within the heating chamber 3226, the heating element 3211 can effectively contact the coolant within the heating chamber 3226, thereby achieving sufficient heating of the coolant and improving the heating effect of the coolant.

[0108] It should be noted that the heating element 3211 can be a one-piece structure or a separate structure.

[0109] In some embodiments of this application, as shown in Figures 5 and 8, the heating element 3211 includes a mounting base 32111 and a heating element (not shown in the figures). The mounting base 32111 is mounted on the integrated base 322 and closes the opening. The mounting base 32111 is provided with at least one protrusion structure 321111, which extends into the heating cavity 3226. The heating element is provided inside the protrusion structure 321111, and the heating element can heat the coolant flowing through the heating cavity 3226 through the protrusion structure 321111.

[0110] Specifically, the mounting base 32111 is connected to the integrated base 322, and the mounting base 32111 fixed on the integrated base 322 closes the opening of the heating cavity 3226, so that the heating cavity 3226 is isolated from the outside at the opening position. The protruding structure 321111 is provided on the mounting base 32111 and extends into the interior of the heating cavity 3226, that is, the protruding structure 321111 is provided inside the heating cavity 3226.

[0111] It should be understood that the protruding structure 321111 is a heat-conducting structure, that is, the heating element in operation can transfer heat to the coolant in the heating chamber 3226 through the protruding structure 321111.

[0112] The heating element heats the coolant in the heating chamber 3226 through the protruding structure 321111 on the mounting base 32111. The mounting base 32111 isolates the coolant from the heating element, reducing the possibility of the heating element being directly placed in the coolant, thereby reducing the possibility of failures caused by the heating element being directly placed in the coolant.

[0113] It should be noted that the protruding structure 321111 and the mounting base 32111 can be either an integral or separate structure. When the protruding structure 321111 and the mounting base 32111 are an integral structure, they can be processed by one-time molding or multiple molding processes; when the protruding structure 321111 and the mounting base 32111 are separate structures, they are processed independently and then connected and fixed by bonding, welding or fasteners.

[0114] When the protruding structure 321111 and the mounting base 32111 are an integral structure, the mounting base 32111 is supported by a heat-conducting material, so that the heating element can transfer heat to the heating cavity 3226 through the protruding structure 321111 to heat the coolant in the heating cavity 3226.

[0115] In addition, the number of protrusions 321111 can be one, two, three, four, five, six, seven, eight, etc. When there are multiple protrusions 321111, the multiple protrusions 321111 are distributed on the side of the mounting base 32111 facing the heating cavity 3226. By setting multiple protrusions 321111, the contact area with the coolant can be further increased, so that the heating efficiency and heating uniformity of the coolant can be effectively improved.

[0116] In addition, the heating element can be inserted into the protrusion 321111 or wrapped in the protrusion 321111.

[0117] Meanwhile, as shown in Figure 12, multiple stiffening plate structures 321115 can also be provided on the protruding structure 321111. By providing stiffening plate structures 321115, the contact area between the protruding structure 321111 and the coolant can be increased, thereby improving the heating efficiency of the coolant. In addition, the stiffening plate structures 321115 can strengthen the structure of the protruding structure 321111.

[0118] In some embodiments of this application, as shown in Figures 5 and 13, the mounting base 32111 is provided with a mounting groove 321112 on the side opposite to the integrated base 322. The bottom of the mounting groove 321112 forms a protruding structure 321111 on the side facing the heating cavity 3226 by means of concavity. The heating element is disposed in the concave position 321113 at the bottom. The heating element 3211 also includes a cover plate 32112. The cover plate 32112 is connected to the mounting base 32111 and closes the groove of the mounting groove 321112.

[0119] Specifically, the mounting groove 321112 on the mounting base 32111 is located on the side of the mounting base 32111 facing away from the heating cavity 3226. The opening of the mounting groove 321112 is positioned away from the heating cavity 3226, and the bottom of the mounting groove 321112 is positioned opposite to the opening. On the bottom side of the mounting groove 321112 facing the opening, the mounting base 321111 protrudes on the side facing the heating cavity 3226 by means of indentation, thus forming a protruding structure 321111. The bottom side of the mounting groove 321112 facing the opening forms a recessed position 321113. The heating element is inserted into the recessed position 321113 from the side of the opening of the mounting groove 321112.

[0120] This design facilitates the maintenance and replacement of the heating element without requiring the coolant in the heating chamber 3226 to be drained.

[0121] It should be noted that, in this application, the heating element can be a heating wire, a heating rod, or a heating plate, etc.

[0122] In some embodiments of this application, as shown in FIG13, the mounting base 32111 is provided with a through hole 321114, which is connected to the side wall of the mounting groove 321112, and the through hole 321114 is used for the connecting wire of the heating element to pass through.

[0123] Specifically, the through hole 321114 is connected to the side wall of the mounting groove 321112. The through hole 321114 is provided to facilitate the lead-out of the connecting wire of the heating element so that the heating element can be energized through the connector, thereby allowing the heating element to heat the coolant in the heating chamber 3226 through the mounting base 32111 when energized.

[0124] It should be noted that the orientation of the through hole 321114 can be adjusted as needed, for example, the through hole 321114 can be oriented upwards, downwards, leftwards, or rightwards. In this application, the through hole 321114 is oriented downwards, thereby reducing the likelihood of clothing falling into the mounting groove 321112 from the through hole 321114, and thus reducing the possibility of heating element malfunction due to foreign objects (such as water) falling into the mounting groove 321112.

[0125] In addition, a sealing component can be provided between the through hole 321114 and the connecting line of the heating element. The sealing component can be used to seal the gap between the through hole 321114 and the connecting line, thereby reducing the possibility of foreign objects (such as water) entering the mounting groove 321112, which reduces the failure rate of the heating element 3211.

[0126] In addition, the shape of the through hole 321114 includes round hole, polygonal hole, elliptical hole or oblong hole, etc.

[0127] In some embodiments of this application, the heating element 3211 further includes a first seal (not shown in the figure), which is sealed between the mounting base 32111 and the integrated base 322.

[0128] Specifically, the mounting base 32111 is fixedly mounted on the integrated base 322, and the mounting base 32111 closes the opening of the heating chamber 3226. The first sealing element can improve the sealing performance between the mounting base 32111 and the integrated base 322, thereby reducing the possibility of coolant leakage.

[0129] It should be noted that the first sealing element includes a sealing ring, a sealing gasket, or a sealant. In this application, the first sealing element is a sealing ring, which can be a rubber ring or a silicone ring, etc. The integrated base 322 or the mounting base 32111 is provided with an embedding groove, which is located around the opening of the heating chamber 3226. Part of the sealing ring is embedded in the embedding groove. When the mounting base 32111 is connected and fixed to the integrated base 322, the sealing ring located outside the embedding groove is squeezed and undergoes elastic deformation, thereby sealing the joint between the integrated base 322 and the mounting base 32111.

[0130] In some embodiments of this application, as shown in Figures 5 and 8, the heating element 3211 further includes a second sealing element 32113, which is sealed between the mounting base 32111 and the cover plate 32112.

[0131] Specifically, the cover plate 32112 is fixed on the mounting base 32111, and the cover plate 32112 closes the groove of the mounting slot 321112 on the mounting base 32111. The second sealing element 32113 is provided, which can improve the sealing performance between the mounting base 32111 and the cover plate 32112, thereby reducing the possibility of coolant leakage.

[0132] It should be noted that the second sealing element 32113 includes a sealing ring, a sealing gasket, or a sealant. In this application, the second sealing element 32113 is a sealing ring, which can be a rubber ring or a silicone ring, etc. The cover plate 32112 or the mounting base 32111 is provided with an embedding groove, which is located around the opening of the mounting groove 321112. Part of the sealing ring is embedded in the embedding groove. When the cover plate 32112 is connected and fixed to the mounting base 32111, the sealing ring located outside the embedding groove is squeezed and undergoes elastic deformation, thereby sealing the joint between the cover plate 32112 and the mounting base 32111.

[0133] In some embodiments of this application, the connection between the mounting base 32111 and the integrated base 322 includes snap-fitting, bonding, welding, or fastener connection.

[0134] By setting the connection method between the mounting base 32111 and the integrated base 322, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0135] In this application, the connection between the mounting base 32111 and the integrated base 322 is via fasteners, such as screws. Multiple screws are used. The integrated base 322 has multiple first screw holes spaced around the opening of the heating chamber 3226. The mounting base 32111 has multiple first through holes, with each first screw hole corresponding to one first through hole. The stud portion of the screw passes through the first through hole and is threaded into the screw hole, thus achieving a secure connection between the mounting base 32111 and the integrated base 322. This screw connection method facilitates disassembly and assembly, thereby improving efficiency.

[0136] In some embodiments of this application, the connection between the cover plate 32112 and the mounting base 32111 includes snap-fitting, bonding, welding, or fastener connection.

[0137] By setting the connection method between the cover plate 32112 and the mounting base 32111, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0138] In this application, the connection between the cover plate 32112 and the mounting base 32111 is via fasteners, such as screws, and multiple screws are used. The mounting base 32111 has multiple second screw holes spaced around the opening of the mounting groove 321112. The cover plate 32112 has multiple second through holes, with each second screw hole corresponding to one second through hole. The stud portion of the screw passes through the second through hole and is threaded into the screw hole, thus achieving the connection and fixation between the cover plate 32112 and the mounting base 32111. This screw connection method facilitates disassembly and assembly, thereby improving the efficiency of disassembly and assembly.

[0139] In some embodiments of this application, as shown in FIG5, the integrated base 322 further includes a diverter 3227, which is disposed in the heating cavity 3226 and located at the inlet 32261 of the heating cavity 3226.

[0140] Specifically, the diverter 3227 has the function of diverting the coolant, that is, the coolant entering the heating chamber 3226 needs to pass through the diverter 3227 before entering the interior of the heating chamber 3226. The diverter 3227 divides the coolant entering the heating chamber 3226 into multiple streams.

[0141] A flow divider 3227 is provided in the heating chamber 3226 so that the coolant enters the heating chamber 3226 through the flow divider 3227. The flow divider is used to divide the coolant so that the flow rate of the coolant entering the heating chamber 3226 is uniform, thereby enabling the heating element 3211 to heat the coolant evenly and reducing the uneven heating of the coolant.

[0142] It should be noted that the flow divider 3227 can be a flow divider plate with multiple flow divider holes or a component with flow divider channels.

[0143] In addition, the diverter 3227 can be integrated into the heating chamber 3226 and connected to the inlet 32261 of the heating chamber 3226. Alternatively, the diverter 3227 can be independently processed and fixed (fixing methods include but are not limited to bonding, snap-fitting, welding or fastener connection) into the heating chamber 3226 and connected to the inlet 32261 of the heating chamber 3226.

[0144] In this application, the diverter 3227 is an independent component, which is fixed in the heating cavity 3226 by snap-fit ​​after being processed separately. By setting the diverter 3227 as an independent component, the manufacturing difficulty of the integrated base 322 is reduced, thereby reducing the manufacturing cost.

[0145] In some embodiments of this application, as shown in FIG5 and FIG14, the flow divider 3227 includes a main flow channel 32272 and multiple branch flow channels 32271. One end of the main flow channel 32272 is connected to the inlet 32261 of the heating cavity 3226, and the other end of the main flow channel 32272 is connected to the heating cavity 3226 through the multiple branch flow channels 32271.

[0146] Specifically, the flow divider 3227 is disposed within the heating chamber 3226. The inlet 32261 of the heating chamber 3226 is connected to the heating chamber 3226 sequentially through the main flow channel 32272 and multiple branch flow channels 32271. When the coolant enters the heating chamber 3226 through the inlet 32261, the coolant enters the main flow channel 32272 and flows along the main flow channel 32272. After the coolant flows to the connection position between the multiple branch flow channels and the main flow channel 32272, the coolant enters each branch flow channel 32271 and flows into the heating chamber 3226 through the branch flow channels 32271.

[0147] The combination structure of the main flow channel 32272 and multiple branch flow channels 32271 can improve the flow distribution effect of the coolant, thereby improving the uniformity of the heating element 3211 in heating the coolant.

[0148] It should be noted that multiple branch channels 32271 are all connected to the end of the main channel 32272 away from the inlet 32261 of the heating chamber 3226. Multiple branch channels 32271 can be arranged at intervals along the circumferential direction of the main channel 32272, or multiple branch channels 32271 can be arranged side by side.

[0149] In addition, the main flow channel 32272 can be a direct flow channel or a bent flow channel, etc. The shapes of multiple branch flow channels 32271 can be the same or different. The shape of the branch flow channel 32271 can be a direct flow channel or a bent flow channel, etc.

[0150] Furthermore, the structure of the protrusion 321111 provided on the mounting base 32111 includes a columnar structure or a plate-like structure, etc.

[0151] In some embodiments of this application, as shown in Figures 12 and 13, the protruding structure 321111 is a plate-like structure, and the direction from the inlet 32261 of the heating cavity 3226 to the second liquid communication port 3229 is parallel to or intersects with the plate surface of the plate-like structure.

[0152] Specifically, the plate-shaped protrusion 321111 has a certain thickness. By setting the protrusion 321111, the contact area between the protrusion 321111 and the coolant is increased, thereby improving the heat exchange efficiency with the coolant.

[0153] In addition, in this application, the direction from the inlet 32261 of the heating chamber 3226 to the second liquid communication port 3229 is parallel to the plate structure. This arrangement can reduce the obstruction of the protruding structure 321111 on the flow of coolant, thereby reducing the flow resistance of coolant and improving the flow efficiency of coolant.

[0154] In some embodiments of this application, as shown in Figures 5 to 8, an integrated base 322 is provided with a receiving groove 3221, a liquid flow channel 3228 is connected to a heating chamber 3226 through the receiving groove 3221, a water pump 3212 closes the opening of the receiving groove 3221, the water pump 3212 includes an impeller mechanism, the impeller mechanism is disposed in the receiving groove 3221, so as to drive the coolant from the first liquid communication port 32221 into the heating chamber 3226.

[0155] Specifically, the impeller mechanism of the water pump 3212 includes an inlet and an outlet. The water pump 3212 is mounted on the integrated base 322. The inlet of the impeller mechanism is connected to the first liquid communication port 32221, and the outlet of the impeller mechanism is connected to the heating chamber 3226. The water pump 3212 also includes a motor. The impeller mechanism includes a pump chamber and an impeller. The impeller is rotatably disposed in the pump chamber. The inlet and outlet of the impeller mechanism are respectively opened on the pump chamber. The motor is driven by the impeller. The motor drives the impeller to rotate. When the impeller rotates, it can draw coolant into the pump chamber from the inlet and discharge it through the outlet.

[0156] The receiving slot 3221 is provided, and the impeller mechanism of the water pump 3212 is embedded in the receiving slot 3221, so that the structure formed by the water pump 3212 and the integrated base 322 is more compact, thereby further improving the space utilization of the heat exchange system 30.

[0157] In addition, by installing the impeller mechanism of the water pump 3212 inside the receiving tank 3221, the number of external pipes is reduced, which simplifies the structure of the heat exchange system 30. When the fan used for heat exchange between the heat exchange system 30 and the air is running, the back pressure of the fan can be reduced, thereby reducing the fan speed and reducing the noise of the heat exchange system 30 during operation.

[0158] It should be noted that the connection between the water pump 3212 and the integrated base 322 can be made by means of snap-fit, welding, bonding, or fastener connection. In this application, the connection between the water pump 3212 and the integrated base 322 is made by bolt connection. Bolt connection has a simple structure and high connection strength, which can reduce the possibility of detachment or vibration noise due to loosening of the connection position.

[0159] In addition, a sealing structure (such as a sealing ring) is provided at the opening of the receiving tank 3221 to seal the connection between the receiving tank 3221 and the water pump 3212, thereby reducing the occurrence of coolant leakage.

[0160] In some embodiments of this application, as shown in FIG6 or FIG8, the receiving tank 3221 includes a coolant inlet 32211 and a coolant outlet 32212. The coolant inlet 32211 is opened on the bottom surface of the receiving tank 3221 and coaxially communicates with the inlet of the impeller mechanism. The coolant outlet 32212 is provided on the side wall of the receiving tank 3221 and communicates with the outlet of the impeller mechanism.

[0161] Specifically, in this application, the inlet of the impeller mechanism of the water pump 3212 is located at the axial end of the impeller, and the outlet is located on the radial outer side of the impeller. The motor is connected to the impeller drive, and the motor drives the impeller to rotate. The impeller is a centrifugal structure. When the impeller rotates, it can draw in coolant from the inlet in its axial direction and throw it out from its circumference, and then output it through the outlet.

[0162] A coolant inlet 32211 and a coolant outlet 32212 are provided in the receiving tank 3221, so that the impeller mechanism of the water pump 3212 can be effectively adapted, so that the coolant can be pumped from the first liquid communication port 32221 of the integrated seat 322 to the heating chamber 3226 under the drive of the impeller mechanism, so as to realize the circulation of coolant.

[0163] In some embodiments of this application, as shown in FIG6 or FIG8, the liquid flow channel 3228 includes a connecting channel 32281, one end of the connecting channel 32281 is connected to the first liquid communication port 32221, and the other end of the connecting channel 32281 is connected to the coolant inlet 32211.

[0164] Specifically, the connecting channel 32281 is located inside the integrated base 322. The connecting channel 32281 connects the first liquid inlet 32221 and the coolant inlet 32211, thereby reducing the number of pipes and making the structure more compact to improve space utilization.

[0165] In addition, a connection channel 32281 is provided in the integrated base 322, thereby reducing the number of external pipes and simplifying the structure of the heat exchange system 30. When the fan used for heat exchange between the heat exchange system 30 and the air is running, the back pressure of the fan can be reduced, thereby reducing the fan speed and reducing the noise of the heat exchange system 30 during operation.

[0166] In some embodiments of this application, as shown in Figures 2 to 5, the plurality of functional components 321 further include an expansion tank 3215, which is disposed on the integrated base 322 and communicates with the connection channel 32281.

[0167] In this application, the expansion tank 3215 typically includes a tank body, an air bladder, an inlet / outlet, and an air supply port. The expansion tank 3215 is available in two types: air bladder type and diaphragm type. The tank body is generally made of carbon steel with an anti-rust paint coating, and the air bladder is made of EPDM environmentally friendly rubber. The pre-filled gas between the air bladder and the tank body is pre-filled at the factory and does not require additional filling.

[0168] Expansion tank 3215 is mounted on integrated base 322 and connected to connecting channel 32281. When pressurized coolant enters the gas bladder of expansion tank 3215, the gas sealed inside is compressed. According to Boyle's gas law, the volume of the gas decreases and the pressure increases after compression, until the gas pressure inside expansion tank 3215 matches the coolant pressure, at which point the liquid inlet stops. When coolant leaks and the pressure decreases, the gas pressure inside expansion tank 3215 exceeds the water pressure. At this time, the gas expands, squeezing out the coolant from the gas bladder and replenishing it into connecting channel 32281. Expansion tank 3215 is used to store and regulate the pressure of coolant.

[0169] In addition, the expansion tank 3215 is installed on the integrated base 322 and connected to the connecting channel 32281, which can reduce the situation where the expansion tank 3215 is dispersed in the heat exchange system 30, improve the structural compactness of the components in the heat exchange system 30, and effectively improve the space utilization rate within the heat exchange system 30.

[0170] In some embodiments of this application, the connection between the expansion tank 3215 and the integrated base 322 includes plug-in, welding, bonding, or fastener connection.

[0171] Specifically, by setting the connection method between the expansion tank 3215 and the integrated base 322, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0172] For example, as shown in Figures 5 to 8, a first interface 3223 is provided on the integrated base 322, and a plug structure adapted to the first interface 3223 is provided on the expansion tank 3215. After the plug structure is fitted with a sealing ring, it is inserted into the position of the first interface 3223 and fixed by fasteners (such as clamp components), thereby realizing the fixed installation of the expansion tank 3215 on the integrated base 322. The overall structure is simple, the assembly is simple and quick, and it can effectively improve the assembly efficiency.

[0173] In some embodiments of this application, as shown in FIG11, the first heat exchanger 3213 is disposed on the integrated base 322. The first heat exchanger 3213 includes a first channel 32135, which is connected to the heating chamber 3226 through a second liquid communication port 3229.

[0174] Specifically, the first heat exchanger 3213 is mounted on the integrated base 322, and the first channel 32135 in the first heat exchanger 3213 is connected to the heating chamber 3226 of the integrated base 322. This reduces the situation where the first heat exchanger 3213 is dispersed in the heat exchange system 30, improves the structural compactness of the components in the heat exchange system 30, and effectively improves the space utilization rate in the heat exchange system 30.

[0175] In some embodiments of this application, the connection between the first heat exchanger 3213 and the integrated base 322 includes plug-in, welding, bonding, or fastener connection.

[0176] Specifically, by setting the connection method between the first heat exchanger 3213 and the integrated base 322, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0177] For example, as shown in Figures 5 and 9, a second interface 3224 is provided on the integrated base 322. The second interface 3224 is also the second liquid connection port 3229. The first heat exchanger 3213 is provided with a plug structure adapted to the second interface 3224. After the plug structure is fitted with a sealing ring, it is inserted into the position of the second interface 3224 and fixed by fasteners (such as clamps), thereby fixing the first heat exchanger 3213 on the integrated base 322. The overall structure is simple, and the assembly is simple and quick, which can effectively improve the assembly efficiency.

[0178] In some embodiments of this application, as shown in FIG3, the heat exchange system 30 further includes a piping assembly 323, which includes an inlet pipe 3231 and an outlet pipe 3232. The second heat exchanger 3218 is connected to the integrated base 322 through the inlet pipe 3231 and is connected to the first liquid communication port 32221. The second heat exchanger 3218 is connected to the first heat exchanger 3213 through the outlet pipe 3232 and is connected to the first channel 32135.

[0179] Specifically, by setting up the liquid inlet pipe 3231 and the liquid outlet pipe 3232, the functional components integrated on the integrated base 322 can be connected with other components, and the position of the integrated base 322 can be reasonably arranged to reduce the obstruction of the internal space of the heat exchange system 30 by the integrated base 322, thereby improving the smoothness of airflow in the heat exchange system 30 and improving the heat exchange effect between the heat exchange system 30 and the airflow.

[0180] It should be noted that the inlet pipe 3231 and the outlet pipe 3232 can be rigid pipes (such as metal pipes) or flexible pipes (such as rubber pipes).

[0181] In addition, an inlet connector 3222 is provided on the integrated base, a first liquid communication port 32221 is opened on the inlet connector 3222, and an inlet pipe is fitted on the inlet connector 3222 and fixed by a clamp.

[0182] Furthermore, as shown in Figure 3, the multiple functional components also include a detection element 3217. This detection element includes a first detection element 32171 and a second detection element 32172. The first detection element 32171 is disposed on the inlet pipe 3231 and is used to detect the parameters of the coolant in the inlet pipe 3231. Simultaneously, the second detection element 32172 is disposed on the outlet pipe 3232 and is used to detect the parameters of the coolant in the outlet pipe 3232. For example, the first detection element 32171 and the second detection element 32172 can be a pressure sensor or a temperature sensor, etc.

[0183] In some embodiments of this application, as shown in FIG3, the piping assembly 323 further includes a first connecting pipe 3233, and the liquid outlet pipe 3232 is connected to the first heat exchanger 3213 through the first connecting pipe 3233.

[0184] Specifically, one end of the first connecting pipe 3233 is connected to the first heat exchanger 3213 and communicates with the first channel 32135 of the first heat exchanger 3213. The other end of the first connecting pipe 3233 is connected to the liquid outlet pipe 3232. Coolant flows into the heating chamber 3226 of the integrated base 322 through the liquid inlet pipe 3231 and the first liquid communication port 32221. The coolant in the heating chamber 3226 flows into the first channel 32135 of the integrated base 322 through the second liquid communication port 3229. The coolant in the first channel 32135 flows into the first connecting pipe 3233 and then into the liquid outlet pipe 3232, and finally flows out through the liquid outlet pipe 3232.

[0185] By setting up a first connector and connecting the liquid outlet pipe 3232 to the first heat exchanger 3213 using the first connecting pipe 3233, the length of the liquid outlet pipe 3232 can be shortened, and the ease of assembling the liquid outlet pipe 3232 can be improved.

[0186] In some embodiments of this application, the integrated base 322 further includes a third liquid communication port (not shown in the figure), and the multiple functional components 321 further include a heat dissipation tank 3214, which is connected to the third liquid communication port and the liquid outlet pipe 3232 respectively. The heat dissipation tank 3214 is used for heat exchange between the coolant and the air.

[0187] Specifically, in this application, the radiator 3214 has a heat dissipation function. When the coolant flows through the radiator 3214, the coolant can exchange heat with the air through the tank to regulate the coolant temperature. For example, when it is necessary to cool the coolant, the heating element 3211 stops operating, and the coolant entering the heating chamber 3226 enters the radiator 3214 through the third liquid connection port. The coolant exchanges heat with the air through the radiator 3214 to lower the coolant temperature.

[0188] A heat exchange tank 3214 is provided so that the coolant can exchange heat with the air through the heat exchange tank 3214 to meet the heat exchange requirements of the heat exchange system 30.

[0189] It is important to understand that the radiator 3214 has coolant flow channels, which can be one or multiple. The coolant entering the radiator 3214 flows along the coolant flow channels, exchanging heat with the outside air through the side walls of the channels during the flow process. For example, it can be a finned radiator or a plate radiator.

[0190] It should be noted that the heat exchange system 30 also includes a fan, which is arranged adjacent to the heat exchange tank 3214. The fan operates to increase the airflow rate and improve the heat exchange efficiency between the coolant and the air.

[0191] When at least one of the heating element 3211, the first heat exchanger 3213, and the water pump 3212 is mounted on the integrated base 322, the dispersion of components can be reduced, the back pressure of the fan can be reduced, thereby reducing the fan speed and thus reducing the noise of the heat exchange system 30 during operation.

[0192] In some embodiments of this application, as shown in FIG3, the piping assembly 323 further includes a first tee 3234, a second connecting pipe 3239, and a third connecting pipe 3235. The first tee 3234 includes a first connector, a second connector, and a third connector. The first connector is connected to the first heat exchanger 3213 through the first connecting pipe 3233, the second connector is connected to the liquid outlet pipe 3232, the heat dissipation tank 3214 is connected to the integrated base 322 through the second connecting pipe 3239, and the heat dissipation tank 3214 is connected to the third connector through the third connecting pipe 3235.

[0193] Specifically, the second connecting pipe 3239 connects the heat dissipation tank 3214 to the integrated base 322, so that the third liquid connection port of the integrated base 322 is connected to the heat dissipation tank 3214. The first tee 3234 is connected to the first heat exchanger 3213 through the first connecting pipe 3233. The first tee 3234 is connected to the heat dissipation tank 3214 through the third connecting pipe 3235. The first tee 3234 is connected to the liquid outlet pipe 3232.

[0194] The first tee fitting 3234, the first connecting pipe 3233, the second connecting pipe 3239 and the third connecting pipe 3235 are used to connect the heat exchange tank 3214 and the first heat exchange component 3213 in parallel, so that the coolant can flow into the first heat exchange component 3213 or the heat exchange tank 3214, thereby meeting the usage requirements of the heat exchange system 30.

[0195] It should be noted that the first connecting pipe 3233, the second connecting pipe 3239 and the third connecting pipe 3235 can be rigid pipes (such as metal pipes) or flexible pipes (such as rubber pipes).

[0196] In some embodiments of this application, as shown in Figures 2 to 7, the multiple functional components 321 further include a control element 3216. The second connecting pipe 3239 is connected to the integrated base 322 through the control element 3216. The control element 3216 is used to control the connection or disconnection between the third liquid communication port and the second connecting pipe 3239.

[0197] Specifically, the radiator 3214 is connected to the third liquid connection port of the integrated base 322 via a control component 3216 and a second connecting pipe 3239. The control component 3216 controls the connection or disconnection of the second connecting pipe 3239 and the third liquid connection port, thereby controlling whether the radiator 3214 is connected to the heating chamber 3226. That is, when the radiator 3214 is needed to dissipate coolant, the control component 3216 is opened, connecting the radiator 3214 to the heating chamber 3226, so that the coolant in the heating chamber 3226 flows into the radiator 3214, thereby achieving the dissipation of coolant. When it is not necessary to dissipate coolant, the control component 3216 is closed, disconnecting the radiator 3214 from the heating chamber 3226.

[0198] The control unit 3216 is used to control whether the coolant flows into the heat exchange tank 3214, so as to achieve effective control of the coolant flow path and thus meet the usage requirements of the heat exchange system 30.

[0199] It should be noted that the control component 3216 can be a solenoid valve or a ball valve, etc.

[0200] In some embodiments of this application, the connection between the first connector and the first connecting pipe 3233 includes plugging, welding, bonding, or fastener connection.

[0201] Specifically, by setting the connection method between the first connector and the first connecting pipe 3233, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0202] In this application, the first connecting pipe 3233 is a flexible pipe. When the first connector of the first tee 3234 is connected to the first connecting pipe 3233, the first connecting pipe 3233 is sleeved on the first connector and fixed by a clamp.

[0203] In some embodiments of this application, the connection between the first connecting pipe 3233 and the first heat exchanger 3213 includes plugging, welding, bonding, or fastener connection.

[0204] Specifically, by setting the connection method between the first connecting pipe 3233 and the first heat exchanger 3213, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0205] In this application, a first plug and a second plug are respectively provided on the first heat exchanger 3213. The first plug has a first inlet 32131 and the second plug has a first outlet 32132. The first connecting pipe 3233 is a flexible pipe. The first plug is fitted with a sealing ring and inserted into the second liquid communication port 3229 of the integrated base 322 to realize the connection between the first heat exchanger 3213 and the integrated base 322. The first connecting pipe 3233 is fitted on the second plug and fixed by a clamp, so that the connection between the first heat exchanger 3213 and the first connecting pipe 3233 is fixed.

[0206] In some embodiments of this application, the connection between the second connector and the outlet pipe 3232 includes plugging, welding, bonding, or fastening.

[0207] Specifically, by setting the connection method between the second connector and the liquid outlet pipe 3232, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0208] In this application, the liquid outlet pipe 3232 is a flexible pipe. When the second connector of the first tee 3234 is connected to the liquid outlet pipe 3232, the liquid outlet pipe 3232 is sleeved on the second connector and fixed by a clamp.

[0209] In some embodiments of this application, the connection between the control element 3216 and the integrated base 322 includes plugging, welding, bonding, or fastener connection.

[0210] Specifically, the control unit 3216 is directly connected to the integrated base 322, thereby reducing the use of piping and also reducing the degree of component dispersion.

[0211] By setting the connection method between the control component 3216 and the integrated base 322, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0212] In this application, the integrated base 322 is provided with a liquid outlet connector 3225, a third liquid communication port is opened on the liquid outlet connector 3225, and the control component 3216 is provided with a socket. The liquid outlet connector 3225 is fitted with a sealing ring and then inserted into the socket to realize the connection between the control component 3216 and the integrated base 322, thereby realizing the connection between the control component 3216 and the heating chamber 3226 through the third liquid communication port.

[0213] In some embodiments of this application, the connection between the second connecting pipe 3239 and the control component 3216 includes plugging, welding, bonding, or fastener connection.

[0214] Specifically, by setting the connection method between the second connecting pipe 3239 and the control component 3216, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0215] In this application, the second connecting tube 3239 is a flexible tube, and the end of the control component 3216 facing away from the integrated base 322 is provided with a plug structure. The second connecting tube 3239 is sleeved on the plug structure and fixed by a clamp.

[0216] In some embodiments of this application, the connection between the second connecting pipe 3239 and the heat sink 3214 includes plugging, welding, bonding, or fastener connection.

[0217] Specifically, by setting the connection method between the second connecting pipe 3239 and the heat dissipation tank 3214, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0218] In this application, the second connecting pipe 3239 is a flexible pipe, the radiator 3214 is provided with a first plug structure for the coolant to flow into the radiator 3214, the second connecting pipe 3239 is sleeved on the first plug structure and fixed by a clamp, thereby realizing the connection between the second connecting pipe 3239 and the radiator 3214.

[0219] In some embodiments of this application, as shown in FIG3, the third connecting pipe 3235 includes a first body 32351 and a second body 32352. The pipeline assembly 323 also includes a second tee 3237, a fourth connecting pipe 3236 and an injection valve 3238. The second tee 3237 includes a fourth connector, a fifth connector and a sixth connector. The fourth connector is connected to the radiator tank 3214 through the first body 32351. The fifth connector is connected to the third connector through the second body 32352. One end of the fourth connecting pipe 3236 is connected to the sixth connector. The injection valve 3238 is connected to the other end of the fourth connecting pipe 3236.

[0220] Specifically, the second tee 3237 connects the first body 32351, the second body 32352, and the fourth connecting pipe 3236 of the third connecting pipe 3235 together, so that the fourth connecting pipe 3236 and the third connecting pipe 3235 form a communication structure.

[0221] By setting the second three-way connector 3237, the injection valve 3238 can be connected to the third connecting pipe 3235 through the fourth connecting pipe 3236, so that the injection valve 3238 can be used to replenish the coolant.

[0222] It should be noted that the fourth connecting pipe 3236 can be a rigid pipe (such as a metal pipe) or a flexible pipe (such as a rubber pipe).

[0223] In some embodiments of this application, the connection between the fourth connector and the first body 32351 includes plugging, welding, bonding, or fastener connection.

[0224] Specifically, by setting the connection method between the fourth connector and the first body 32351, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0225] In this application, the first body 32351 of the third connecting pipe 3235 is a flexible pipe, and the fourth connector of the second tee 3237 is inserted into the first body 32351 and fixed by clamp connection.

[0226] In some embodiments of this application, the connection between the first body 32351 and the heat sink 3214 includes plugging, welding, bonding or fastening.

[0227] Specifically, by setting the connection method between the first body 32351 and the heat dissipation tank 3214, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0228] In this application, the first body 32351 of the third connecting pipe 3235 is a flexible pipe, the radiator 3214 is provided with a second plug structure for coolant to flow out of the radiator 3214, the first body 32351 is sleeved on the second plug structure and fixed by a clamp, thereby realizing the connection between the first body 32351 and the radiator 3214.

[0229] In some embodiments of this application, the connection between the fifth connector and the second body 32352 includes plugging, welding, bonding, or fastener connection.

[0230] Specifically, by setting the connection method between the fifth connector and the second body 32352, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0231] In this application, the second body 32352 of the third connecting pipe 3235 is a flexible pipe, and the fifth connector of the second tee 3237 is inserted into the second body 32352 and fixed by clamp connection to realize the connection between the fifth connector and the second body 32352.

[0232] In some embodiments of this application, the connection between the second body 32352 and the third connector includes plugging, welding, bonding, or fastener connection.

[0233] Specifically, by setting the connection method between the second body 32352 and the third connector, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0234] In this application, the second body 32352 of the third connecting pipe 3235 is a flexible pipe, and the third connector of the first tee 3234 is inserted into the second body 32352 and fixed by clamp connection to realize the connection between the second body 32352 and the third connector.

[0235] In some embodiments of this application, the connection between the fourth connecting pipe 3236 and the sixth connector includes plugging, welding, bonding, or fastener connection.

[0236] Specifically, by setting the connection method between the fourth connecting pipe 3236 and the sixth connector, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0237] In this application, the fourth connecting pipe 3236 is a flexible pipe, and the sixth connector of the second tee 3237 is inserted into the second body 32352 and fixed by clamp connection to realize the connection between the fourth connecting pipe 3236 and the sixth connector.

[0238] In some embodiments of this application, the connection between the injection valve 3238 and the fourth connecting pipe 3236 includes plugging, welding, bonding, or fastener connection.

[0239] Specifically, by setting the connection method between the injection valve 3238 and the fourth connecting pipe 3236, the connection method between the two can be selected as needed, thereby improving the flexibility of the assembly process and helping to speed up the production cycle.

[0240] In this application, the fourth connecting tube 3236 is a flexible tube, and the injection valve 3238 includes a plug structure. The fourth connecting tube 3236 is sleeved on the plug structure and fixed by a clamp to realize the connection between the fourth connecting tube 3236 and the injection valve 3238.

[0241] In some embodiments of this application, as shown in Figures 1 and 11, the multiple functional components 321 further include a second heat exchanger 3218, which is connected to the liquid inlet pipe 3231 and the liquid outlet pipe 3232 respectively, and is used to exchange heat for the battery device 20 of the energy storage device 100.

[0242] Specifically, the first channel 32135 of the first heat exchanger 3213 is connected to the second heat exchanger 3218 to form a coolant circuit. The coolant circulates in the coolant circuit. When the coolant circulates to the position of the second heat exchanger 3218, the coolant exchanges heat with the battery device 20 through the second heat exchanger 3218 so that the battery device 20 can operate at a better temperature and fully perform.

[0243] It should be noted that in this application, the second heat exchanger 3218 can be a plate heat exchanger or a coil heat exchanger, etc.

[0244] In some embodiments of this application, as shown in FIG11, the first heat exchanger 3213 further includes a second channel 32136. The first channel 32135 and the second channel 32136 are not connected to each other but are arranged to exchange heat with each other. The heat exchange system 30 further includes a refrigerant assembly 31. The refrigerant assembly 31 includes a third heat exchanger 311. The third heat exchanger 311 is connected to the second channel 32136 and is arranged to exchange heat with air.

[0245] Specifically, the third heat exchanger 311 is connected to the second channel 32136 of the first heat exchanger 3213, thereby forming a refrigerant circuit. The refrigerant circulates in the refrigerant circuit, and the coolant circulates in the coolant circuit. The refrigerant exchanges heat with the coolant passing through the first channel 32135 in the second channel 32136 to adjust the temperature of the coolant, which then heats the battery device 20. A refrigerant assembly 31 is provided and thermally connected to the coolant assembly 32, enabling the adjustment of the coolant temperature through heat exchange between the refrigerant and the coolant, ensuring that the coolant meets the operational requirements of the heat exchange system 30.

[0246] It should be noted that in this application, the third heat exchanger 311 can be a plate heat exchanger, a coil heat exchanger, or a finned heat exchanger, etc.

[0247] In addition, a third plug and a fourth plug are respectively provided on the first heat exchanger 3213. The third plug has a second inlet 32133 and the fourth plug has a second outlet 32134. The second inlet 32133 and the second outlet 32134 are respectively connected to the second channel 32136. The third heat exchanger 311 is connected to the second inlet 32133 and the second outlet 32134 respectively.

[0248] In addition, the refrigerant assembly 31 also includes a compressor 312 and a throttling element 313, such as a duct or a throttling valve, a third heat exchanger 311 (such as a finned radiator or a plate heat exchanger), and the compressor 312, which are connected in series between the inlet and outlet of the second channel 32136, thereby forming a refrigerant circuit for refrigerant circulation.

[0249] In some embodiments of this application, as shown in FIG2, the heat exchange system 30 further includes a support frame 301, and an integrated base 322 is mounted on the support frame 301.

[0250] Specifically, a support frame 301 is provided and used as a support carrier, thereby improving the structural stability of the components connected to the support frame 301 and reducing the occurrence of loosening and falling off of some parts during use.

[0251] In some embodiments of this application, as shown in FIG2, the heat exchange system 30 further includes a housing 302, and a support frame 301 is disposed inside the housing 302. Along the first direction a, the housing 302 includes a first sidewall 3021 and a second sidewall 3022 disposed opposite to each other. The distance between the integrated base 322 and the first sidewall 3021 is less than the distance between the integrated base 322 and the second sidewall 3022. The first direction a is parallel to the horizontal direction.

[0252] Specifically, by setting the installation position of the integrated base 322 so that it is close to the first side wall 3021 in the first direction a, and by installing at least one of the heating element 3211, the first heat exchange element 3213, and the water pump 3212 on the integrated base 322, the structure of the coolant assembly 32 is made more compact, reducing the space occupied by the housing 302, thereby improving the airflow resistance inside the housing 302.

[0253] In some embodiments of this application, the integrated base 322 is an injection molded part or a die-cast part.

[0254] Specifically, the integrated base 322 is configured to improve the ease of processing and effectively enhance the consistency of the integrated base 322's performance.

[0255] As shown in Figures 1 to 13, a second aspect of this application proposes an energy storage device 100. The energy storage device 100 includes a housing 10, a battery device 20, and a heat exchange system 30 as described above. The battery device 20 is disposed inside the housing 10. The heat exchange system 30 includes a refrigerant assembly 31 and a coolant assembly 32. The coolant assembly 32 includes a first heat exchanger 3213 and a second heat exchanger 3218. The first heat exchanger 3213 includes a first channel 32135 and a second channel 32136 that are not interconnected. The first channel 32135 and the second channel 32136 are configured to exchange heat with each other. The second heat exchanger 3218 is connected to the first channel 32135 to form a coolant circuit and is used to exchange heat with the battery device 20. The refrigerant assembly 31 includes a third heat exchanger 311. The third heat exchanger 311 is connected to the second channel 32136 to form a refrigerant circuit and is used to exchange heat with air.

[0256] Specifically, in the heat exchange system 30 of the energy storage device 100, the heating element 3211 is installed on the integrated base 322, and at least one of the water pump 3212 and the first heat exchange element 3213 is installed on the integrated base 322, thereby realizing the integration of functional components, which can reduce the degree of component dispersion, reduce the space occupied by the components in the heat exchange system 30, and thus effectively improve the space utilization rate of the heat exchange system 30.

[0257] In this application, as shown in FIG1, the energy storage device 100 includes a housing 10, a battery device 20, and a heat exchange system 30 according to the above. The housing 10 includes a first receiving cavity 101 and a second receiving cavity 102 that are isolated from each other. The battery device 20 is disposed in the first receiving cavity 101. The heat exchange system 30 includes a refrigerant assembly 31 and a coolant assembly 32. The refrigerant assembly 31 is disposed in the second receiving cavity 102. A portion of the coolant assembly 32 is disposed in the first receiving cavity 101 and is thermally connected to the battery device 20. Another portion of the coolant assembly 32 is disposed in the second receiving cavity 102 and is thermally connected to the refrigerant assembly 31.

[0258] The heat exchange system 30 can both heat and cool the battery device 20. When the current temperature of the battery device 20 is lower than the preset temperature range, the heat exchange system 30 heats the battery device 20; when the current temperature of the battery device 20 is higher than the preset temperature range, the heat exchange system 30 cools the battery device 20 (i.e., dissipates heat from the battery device 20).

[0259] The following explanation uses the heat exchange system 30 to dissipate heat from the battery device 20 as an example:

[0260] When the heat exchange system 30 exchanges heat with the battery device 20, the refrigerant circulation component operates, allowing the refrigerant to enter the first heat exchange element 3213. The first heat exchange element 3213 cools the coolant. The cooled coolant, driven by the water pump 3212, enters the first receiving cavity 101 and exchanges heat with the battery device 20. After the heat exchange, the temperature of the coolant rises and it returns to the first heat exchange element 3213 to exchange heat with the refrigerant.

[0261] The housing 10 of this application includes multiple battery devices 20 to increase the voltage and capacity of the energy storage device 100. The multiple battery devices 20 are connected in series via a busbar to increase the voltage of the energy storage device 100.

[0262] The battery device 20 mentioned in the embodiments of this application may include one or more battery cell assemblies for providing voltage and capacity. A battery cell assembly may include multiple battery cells connected in series, parallel, or in a mixed configuration via a busbar.

[0263] In some embodiments, a battery cell assembly is typically formed by arranging multiple battery cells.

[0264] As an example, a battery cell assembly can be a battery module, which is formed by arranging and fixing multiple battery cells together to form an independent module. As another example, a battery module can be formed by bundling multiple battery cells together with cable ties.

[0265] In some embodiments, the battery device 20 may be a battery pack, which includes a housing and one or more battery cell assemblies housed within the housing.

[0266] In this application, the shell can be a simple three-dimensional structure such as a single cuboid, cylinder, or sphere, or a complex three-dimensional structure composed of simple three-dimensional structures such as cuboids, cylinders, or spheres. The shell material can be alloy materials such as steel, iron, aluminum alloy, or ferroalloy, or polymer materials such as polycarbonate or polyisocyanurate foam, or composite materials such as glass fiber and epoxy resin.

[0267] As an example, the battery cell assembly can be a battery module, which can be housed in the housing by fixing the battery module in the housing.

[0268] As an example, battery cell assemblies can also be housed in a housing by directly fixing multiple battery cells to the housing.

[0269] As an example, the housing may include a first part and a second part. The first part and the second part are fastened together to form a closed space inside the housing to house the battery cell assembly. Here, "closed" refers to covering or closing, and can be either sealed or unsealed. The first part may be a top cover or a bottom plate.

[0270] As an example, the housing may include a top cover, a frame, and a bottom plate. The top cover and bottom plate are respectively connected to the frame, so that the interior of the housing forms an enclosed space to house the battery cell assembly.

[0271] In some embodiments, when the battery device is used in a vehicle, the housing may be part of the vehicle's chassis structure. For example, a portion of the housing may be at least a part of the vehicle's floor, or a portion of the housing may be at least a part of the vehicle's crossbeams and longitudinal beams.

[0272] In some embodiments, when there are multiple battery devices 20, the multiple battery devices 20 include two or more battery devices 20. The multiple battery devices 20 can be arranged in a regular or irregular manner within the first receiving cavity 101. In this application, a bracket is provided inside the first receiving cavity 101, and the battery devices 20 are disposed on the bracket, so that the battery devices 20 are arranged in a rectangular array within the first receiving cavity 101, so that the first receiving cavity 101 can accommodate a larger number of battery devices 20, thereby increasing the energy density of the energy storage device 100.

[0273] A third aspect of this application provides an electrical appliance that includes an energy storage device 100 as described above.

[0274] It should be noted that, in this application, electrical equipment includes, but is not limited to, ships, cargo planes, passenger planes, or space shuttles.

[0275] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application.

[0276] As shown in Figures 1 to 14, this application proposes a heat exchange system 30, which includes a coolant assembly 32. The coolant assembly 32 includes an integrated base 322 and multiple functional components 321. The integrated base 322 includes a liquid flow channel 3228, a first liquid connection port 32221, a second liquid connection port 3229, and a heating chamber 3226. The liquid flow channel 3228 is connected to the first liquid connection port 32221 and the heating chamber 3226, respectively. The second liquid connection port 3229 is connected to the heating chamber 3226. The multiple functional components 321 include a heating element 3211, a water pump 3212, and a first heat exchanger 3211. The first heat exchanger 3213 and the second heat exchanger 3218, the liquid flow channel 3228, the water pump 3212, the first heat exchanger 3213 and the second heat exchanger 3218 form a coolant circuit. At least one of the water pump 3212 and the first heat exchanger 3213 is mounted on the integrated base 322. The second heat exchanger 3218 is connected to the liquid flow channel 3228 through the first liquid connection port 32221 and is used to exchange heat with the battery device 20 of the energy storage device 100. The second liquid connection port 3229 is connected to the second heat exchanger 3218 through the first heat exchanger 3213. The heating element 3211 is mounted on the integrated base 322 and can heat the coolant passing through the heating chamber 3226.

[0277] Furthermore, the heating chamber 3226 includes an opening, the heating element 3211 closes the opening, and a portion of the heating element 3211 extends into the heating chamber 3226. The heating element 3211 includes a mounting base 32111, a heating body, a cover plate 32112, a first seal, and a second seal 32113. The mounting base 32111 is mounted on the integrated base 322 and closes the opening. The mounting base 32111 has a mounting groove 321112 on the side away from the integrated base 322. The bottom of the mounting groove 321112 forms multiple protrusions 321111 on the side facing the heating chamber 3226 by means of indentation. The protrusions 321111 extend into the heating chamber 3226. The heating body is disposed in the indented position 321113 at the bottom. The cover plate 32112 is connected to the mounting base 32111 and closes the opening of the mounting groove 321112. The mounting base 32111 has a through hole 321114, which communicates with the side wall of the mounting groove 321112, allowing the connecting wire of the heating element to pass through. A first sealing element is provided between the mounting base 32111 and the integrated base 322. A second sealing element 32113 is provided between the mounting base 32111 and the cover plate 32112.

[0278] Furthermore, the mounting base 32111 and the integrated base 322 are connected by screws. The cover plate 32112 is connected by screws to the mounting base 32111.

[0279] Furthermore, the integrated base 322 also includes a flow divider 3227, which includes a main flow channel 32272 and multiple branch flow channels 32271. One end of the main flow channel 32272 is connected to the inlet of the heating chamber 3226, and the other end of the main flow channel 32272 is connected to the heating chamber 3226 through the multiple branch flow channels 32271. The protruding structure 321111 is plate-shaped, and the direction from the inlet 32261 of the heating chamber 3226 to the second liquid communication port 3229 is parallel to or intersects with the plate surface of the plate-shaped structure.

[0280] Furthermore, the integrated base 322 is provided with a receiving groove 3221. The liquid flow channel 3228 is connected to the heating chamber 3226 through the receiving groove 3221. The water pump 3212 closes the opening of the receiving groove 3221. The water pump 3212 includes an impeller mechanism located inside the receiving groove 3221 to drive the coolant into the heating chamber 3226 from the first liquid connection port 32221. The receiving groove 3221 includes a coolant inlet 32211 and a coolant outlet 32212. The coolant inlet 32211 is located on the bottom surface of the receiving groove 3221 and is coaxially connected to the inlet of the impeller mechanism. The coolant outlet 32212 is located on the side wall of the receiving groove 3221 and is connected to the outlet of the impeller mechanism.

[0281] Furthermore, the integrated base 322 also includes a connecting channel 32281, one end of which is connected to the first liquid inlet 32221, and the other end of which is connected to the coolant inlet 32211. The multiple functional components 321 also include an expansion tank 3215, which is mounted on the integrated base 322 and connected to the connecting channel 32281. The expansion tank 3215 and the integrated base 322 are interlocked.

[0282] Furthermore, the first heat exchanger 3213 is disposed on the integrated base 322. The first heat exchanger 3213 includes a first channel 32135, which is connected to the heating chamber 3226 through a second liquid communication port 3229. The first heat exchanger 3213 and the integrated base 322 are inserted into each other.

[0283] Furthermore, the heat exchange system 30 also includes a piping assembly 323, which includes an inlet pipe 3231 and an outlet pipe 3232. The inlet pipe 3231 is inserted into the integrated base 322 and connected to the first liquid communication port 32221. The outlet pipe 3232 is inserted into the first heat exchange element 3213 and connected to the first channel 32135. The piping assembly 323 also includes a first connecting pipe 3233, through which the outlet pipe 3232 is connected to the first heat exchange element 3213.

[0284] Furthermore, the integrated base 322 also includes a third liquid connection port, and the multiple functional components 321 also include a heat dissipation tank 3214, which is connected to the third liquid connection port and the liquid outlet pipe 3232 respectively. The heat dissipation tank 3214 is used for heat exchange between the coolant and the air.

[0285] Furthermore, the piping assembly 323 also includes a first tee 3234, a second connecting pipe 3239, and a third connecting pipe 3235. The first tee 3234 includes a first connector, a second connector, and a third connector. The first connector is inserted into the first heat exchanger 3213 via the first connecting pipe 3233. The second connector is inserted into the liquid outlet pipe 3232. The heat dissipation tank 3214 is connected to the integrated base 322 via the second connecting pipe 3239. The heat dissipation tank 3214 is connected to the third connector via the third connecting pipe 3235.

[0286] Furthermore, the multiple functional components 321 also include a control element 3216. The second connecting pipe 3239 is connected to the integrated base 322 via the control element 3216. The control element 3216 is used to control the connection or disconnection between the third liquid inlet and the second connecting pipe 3239. The control element 3216 is used to control whether the coolant flows into the radiator tank 3214, so as to achieve effective control of the coolant flow path and thus meet the usage requirements of the heat exchange system 30.

[0287] In some embodiments of this application, the first connector is inserted into the first connecting pipe 3233. The first connecting pipe 3233 is inserted into the first heat exchanger 3213. The second connector is inserted into the liquid outlet pipe 3232. The control component 3216 is inserted into the integrated base 322. The second connecting pipe 3239 is inserted into the control component 3216. The second connecting pipe 3239 is inserted into the cooling water tank 3214.

[0288] In some embodiments of this application, the third connecting pipe 3235 includes a first body 32351 and a second body 32352. The pipeline assembly 323 further includes a second tee 3237, a fourth connecting pipe 3236, and an injection valve 3238. The second tee 3237 includes a fourth connector, a fifth connector, and a sixth connector. The fourth connector is connected to the radiator tank 3214 through the first body 32351, the fifth connector is connected to the third connector through the second body 32352, one end of the fourth connecting pipe 3236 is connected to the sixth connector, and the injection valve 3238 is connected to the other end of the fourth connecting pipe 3236.

[0289] Furthermore, the fourth connector is inserted into the first body 32351. The first body 32351 is inserted into the cooling water tank 3214. The fifth connector is inserted into the second body 32352. The second body 32352 is inserted into the third connector. The fourth connecting pipe 3236 is inserted into the sixth connector. The liquid injection valve 3238 is inserted into the fourth connecting pipe 3236.

[0290] Furthermore, the multiple functional components 321 also include a second heat exchanger 3218, which is connected to the inlet pipe 3231 and the outlet pipe 3232 respectively, and is used to exchange heat with the battery device 20 of the energy storage device 100. The first heat exchanger 3213 also includes a second channel 32136, which is not connected to the first channel 32135 and the second channel 32136 but is arranged for heat exchange. The heat exchange system 30 also includes a refrigerant assembly 31, which includes a third heat exchanger 311, which is connected to the second channel 32136 and is arranged for heat exchange with air.

[0291] Furthermore, the integrated base 322 is an injection molded part or a die-cast part.

[0292] Specifically, the heating element 3211 is installed on the integrated base 322, and at least one of the water pump 3212 and the first heat exchanger 3213 is also installed on the integrated base 322, thereby realizing the integration of functional components, which can reduce the degree of component dispersion, reduce the space occupied by components in the heat exchange system 30, and thus effectively improve the space utilization rate of the heat exchange system 30.

[0293] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A heat exchange system, wherein, The heat exchange system includes a coolant assembly, the coolant assembly comprising: An integrated base includes a liquid flow channel, a first liquid connection port, a second liquid connection port, and a heating cavity. The liquid flow channel is connected to the first liquid connection port and the heating cavity, respectively, and the second liquid connection port is connected to the heating cavity. The device includes multiple functional components, including a heating element, a water pump, a first heat exchanger, and a second heat exchanger. The liquid flow channel, the water pump, the first heat exchanger, and the second heat exchanger form a coolant circuit. At least one of the water pump and the first heat exchanger is mounted on the integrated base. The second heat exchanger is connected to the liquid channel through the first liquid connection port and is used to exchange heat with the battery device of the energy storage device. The second liquid connection port is connected to the second heat exchanger through the first heat exchanger. The heating element is mounted on the integrated base and can heat the coolant passing through the heating chamber.

2. The heat exchange system of claim 1, wherein, The heating chamber includes an opening, the heating element closes the opening, and a portion of the heating element extends into the heating chamber.

3. The heat exchange system of claim 2, wherein, The heating element includes: Mounting base, the mounting base is mounted on the integrated base and closes the opening, the mounting base is provided with at least one protruding structure, the protruding structure extends into the heating cavity; A heating element is provided within the protruding structure, and the heating element is capable of heating the coolant flowing through the heating chamber through the protruding structure.

4. The heat exchange system of claim 3, wherein, The mounting base has a mounting groove on the side away from the integrated base. The bottom of the mounting groove forms a protruding structure on the side facing the heating cavity by means of indentation. The heating element is disposed in the indented position at the bottom. The heating element also includes a cover plate, which is connected to the mounting base and closes the groove opening of the mounting groove.

5. The heat exchange system of claim 4, wherein, The mounting base is provided with a through hole, which is connected to the side wall of the mounting groove, and the through hole allows the connecting wire of the heating element to pass through.

6. The heat exchange system of claim 4 or 5, wherein, The heating element further includes a first sealing element, which is sealed between the mounting base and the integrated base; And / or, the heating element further includes a second seal, which is sealed between the mounting base and the cover plate.

7. The heat exchange system of any one of claims 4 to 6, wherein, The connection method between the mounting base and the integrated base includes snap-fitting, bonding, welding, or connection via fasteners; And / or, the connection between the cover plate and the mounting base may be achieved by snap-fitting, bonding, welding, or fastener connection.

8. The heat exchange system of any one of claims 3 to 7, wherein, The integrated base also includes a flow divider, which is disposed inside the heating chamber and located at the entrance of the heating chamber.

9. The heat exchange system of claim 8, wherein, The flow divider includes a main flow channel and multiple branch flow channels. One end of the main flow channel is connected to the inlet of the heating chamber, and the other end of the main flow channel is connected to the heating chamber through the multiple branch flow channels.

10. The heat exchange system of claim 9, wherein, The protruding structure is plate-shaped, and the direction from the inlet of the heating chamber to the second liquid communication port is parallel to or intersects with the plate surface of the plate-shaped structure.

11. The heat exchange system of any one of claims 1 to 10, wherein, The integrated base has a receiving groove, and the liquid flow channel is connected to the heating chamber through the receiving groove. The water pump closes the opening of the receiving groove. The water pump includes an impeller mechanism, which is located in the receiving groove to drive the coolant into the heating chamber from the first liquid communication port.

12. The heat exchange system of claim 11, wherein, The receiving tank includes a coolant inlet and a coolant outlet. The coolant inlet is located on the bottom surface of the receiving tank and is coaxially connected to the inlet of the impeller mechanism. The coolant outlet is located on the side wall of the receiving tank and is connected to the outlet of the impeller mechanism.

13. The heat exchange system of claim 12, wherein, The liquid flow channel includes a connecting channel, one end of which is connected to the first liquid communication port, and the other end of which is connected to the coolant inlet.

14. The heat exchange system of claim 13, wherein, The plurality of functional components also include an expansion tank, which is disposed on the integrated base and communicates with the connection channel.

15. The heat exchange system of claim 14, wherein, The connection between the expansion tank and the integrated base can be achieved by plugging, welding, bonding, or fastener connection.

16. The heat exchange system of any one of claims 1 to 15, wherein, The first heat exchanger is disposed on the integrated base. The first heat exchanger includes a first channel, which is connected to the second liquid communication port and the second heat exchanger.

17. The heat exchange system of claim 16, wherein, The connection between the first heat exchanger and the integrated base includes plug-in, welding, bonding, or fastener connection.

18. The heat exchange system of claim 16 or 17, wherein, The heat exchange system further includes a piping assembly, which includes an inlet pipe and an outlet pipe. The second heat exchanger is connected to the integrated base through the inlet pipe and communicates with the first liquid communication port. The second heat exchanger is connected to the first heat exchanger through the outlet pipe and communicates with the first channel.

19. The heat exchange system of claim 18, wherein, The piping assembly also includes a first connecting pipe, through which the liquid outlet pipe is connected to the first heat exchanger.

20. The heat exchange system of claim 19, wherein, The integrated base also includes a third liquid connection port, and the multiple functional components also include a heat dissipation tank. The heat dissipation tank is connected to the third liquid connection port and the liquid outlet pipe, respectively. The heat dissipation tank is used for heat exchange between the coolant and the air.

21. The heat exchange system of claim 20, wherein, The piping assembly also includes: The first tee fitting includes a first connector, a second connector, and a third connector. The first connector is connected to the first heat exchanger through the first connecting pipe, and the second connector is connected to the liquid outlet pipe. The second connecting pipe connects the heat dissipation tank to the integrated base. The third connecting pipe connects the heat dissipation tank to the third connector.

22. The heat exchange system of claim 21, wherein, The plurality of functional components also include a control element, through which the second connecting pipe is connected to the integrated base, and the control element is used to control the connection or disconnection between the third liquid communication port and the second connecting pipe.

23. The heat exchange system of claim 22, wherein, The connection between the first connector and the first connecting pipe can be achieved by insertion, welding, bonding, or fastener connection. And / or, the connection method between the first connecting pipe and the first heat exchanger includes plug-in, welding, bonding or fastener connection; And / or, the connection between the second connector and the outlet pipe can be made by plugging, welding, bonding or fastening; And / or, the connection between the control element and the integrated base includes plugging, welding, bonding or fastener connection; And / or, the connection between the second connecting tube and the control component includes plugging, welding, bonding or fastening; And / or, the connection between the second connecting pipe and the heat dissipation tank can be achieved by plugging, welding, bonding, or fastening.

24. The heat exchange system of any one of claims 21 to 23, wherein, The third connecting pipe includes a first body and a second body, and the pipe assembly further includes: The second three-way connector includes a fourth connector, a fifth connector, and a sixth connector. The fourth connector is connected to the heat dissipation tank through the first body, and the fifth connector is connected to the third connector through the second body. The fourth connecting pipe, one end of which is connected to the sixth connector; The injection valve is connected to the other end of the fourth connecting pipe.

25. The heat exchange system of claim 24, wherein, The connection method between the fourth connector and the first body includes plugging, welding, bonding, or fastener connection. And / or, the connection method between the first body and the heat dissipation tank includes plugging, welding, bonding or fastening; And / or, the connection method between the fifth connector and the second body includes plugging, welding, bonding or fastening; And / or, the connection between the second body and the third connector includes plugging, welding, bonding or fastening; And / or, the connection method between the fourth connecting pipe and the sixth connector includes plugging, welding, bonding or fastening; And / or, the connection between the injection valve and the fourth connecting pipe can be achieved by plugging, welding, bonding, or fastener connection.

26. The heat exchange system of any one of claims 16 to 25, wherein, The first heat exchanger also includes a second channel, the first channel and the second channel are not connected to each other but are configured to exchange heat with each other, the heat exchange system also includes a refrigerant assembly, the refrigerant assembly includes a third heat exchanger, the third heat exchanger is connected to the second channel, and the third heat exchanger is configured to exchange heat with air.

27. The heat exchange system of any one of claims 1 to 26, wherein, The integrated base is an injection molded part or a die-cast part.

28. An energy storage device, wherein, The energy storage device includes: Box; A battery assembly, wherein the battery assembly is disposed within the housing; The heat exchange system according to any one of claims 1 to 27, the heat exchange system comprising a refrigerant assembly and a coolant assembly, the coolant assembly comprising a first heat exchanger and a second heat exchanger, the first heat exchanger comprising a first channel and a second channel that are not interconnected, the first channel and the second channel being configured to exchange heat with each other, the second heat exchanger being connected to the first channel to form a coolant circuit, the second heat exchanger being used to exchange heat with the battery device, the refrigerant assembly comprising a third heat exchanger, the third heat exchanger being connected to the second channel to form a refrigerant circuit, the third heat exchanger being configured to exchange heat with air.

29. An electrical device, comprising: The electrical equipment includes the energy storage device according to claim 28.

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