CN219246785U

CN219246785U - Thermal management component, thermal management system, battery and electricity utilization device

Info

Publication number: CN219246785U
Application number: CN202320116331.6U
Authority: CN
Inventors: 侯跃攀
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-06-23
Anticipated expiration: 2033-01-28

Abstract

The application provides a thermal management component, a thermal management system, a battery and an electric device, and belongs to the technical field of batteries. The thermal management component comprises a body portion and a converging portion. The inside of body portion is formed with the medium runner that is used for holding heat transfer medium, and body portion includes integrated into one piece's main part section and linkage segment, and main part section extends along first direction, and the linkage segment is connected in main part section one end in first direction. The portion that converges is connected in the one end that the main part section was kept away from to the linkage segment and extends along the extending direction of linkage segment, and the inside of portion that converges is formed with the chamber that converges, and chamber and medium runner intercommunication that converges, the relative main part section of linkage segment buckle and set up. The heat management component with the structure can save the occupied space of the heat management component in the first direction while ensuring enough connection space between the connection section and the converging part so as to be beneficial to optimizing the internal space of the battery, thereby effectively improving the space utilization rate of the battery and improving the energy density of the battery.

Description

Thermal management component, thermal management system, battery and electricity utilization device

Technical Field

The application relates to the technical field of batteries, in particular to a thermal management component, a thermal management system, a battery and an electric device.

Background

In recent years, new energy automobiles have been developed dramatically, and in the field of electric automobiles, a power battery plays an important role as a power source of the electric automobile. The battery consists of a box body and a plurality of battery monomers accommodated in the box body, and the battery has higher requirements on safety and usability as a core part of the new energy automobile. Wherein, battery monomer in the battery can produce a large amount of heat in continuous charge-discharge use, can set up the thermal management part that is used for adjusting battery monomer's temperature in the box from this to alleviate the inside phenomenon that appears the temperature rise of battery, however, current thermal management part is great at the inside occupation space of battery, thereby leads to the inside space utilization of battery lower, is unfavorable for promoting the energy density of battery.

Disclosure of Invention

The embodiment of the application provides a thermal management component, a thermal management system, a battery and an electric device, which can effectively improve the energy density of the battery.

In a first aspect, embodiments of the present application provide a thermal management component comprising a body portion and a bus portion; the inside of the body part is provided with a medium flow channel for accommodating heat exchange medium, the body part comprises a main body section and a connecting section which are integrally formed, the main body section extends along a first direction, and the connecting section is connected with one end of the main body section in the first direction; the converging part is connected to one end of the connecting section far away from the main body section and extends along the extending direction of the connecting section, a converging cavity is formed in the converging part, and the converging cavity is communicated with the medium flow passage; wherein, the connecting section is bent and arranged relative to the main body section.

In the above technical scheme, the heat management component is provided with the body portion and converges the portion, the body portion includes integrated into one piece's main part section and linkage segment, the linkage segment that converges the portion and sets up in the body portion is kept away from the one end of main part section, make the medium runner in the body portion can communicate each other with the converging chamber in converging the portion, so that the heat transfer medium can flow in or flow out the medium runner of body portion through converging the chamber of converging the portion, thereby main part section through the body portion can carry out the heat exchange with the battery monomer of battery inside, in order to realize managing the temperature in the battery, wherein, through setting up the linkage segment of body portion into the structure of buckling relative main part section, and converging the portion connect in the linkage segment and with the extending direction of linkage segment unanimously, make the extending direction of linkage segment and converging the extending direction of portion can deviate first direction, thereby make the heat management component that adopts this kind of structure have sufficient joint space and guarantee joint strength and reliability between linkage segment and converging the portion and can effectively save the occupation space of heat management component in first direction simultaneously, be favorable to optimizing the inside space that has this kind of heat management component, and the improvement of battery can improve the space efficiency, and energy utilization of the battery.

In some embodiments, the body portion is a plate-like structure, and the connecting section is bent to one side of the main body section in the thickness direction of the main body section with respect to the main body section.

In the above technical scheme, through setting up the body portion to platy structure to set up the linkage segment into relative main part section and buckle to main part section one side in the thickness direction of main part section, make the body portion of this kind of structure be convenient for buckle the linkage segment in the in-process of manufacturing on the one hand, be favorable to reducing the processing degree of difficulty of body portion, on the other hand can realize when main part section sets up between two battery monomers of range upon range of arrangement along the thickness direction of main part section that the linkage segment is located battery monomer one side in first direction, need not to occupy the space in other directions, thereby be favorable to further optimizing the inner space of the battery that has this kind of thermal management part, in order to promote the energy density of battery.

In some embodiments, the body section and the connecting section are perpendicular to each other.

In the above technical scheme, the connecting section is arranged to be bent into a structure of mutually perpendicular to the connecting section and the main section relative to the main section, so that the extending direction of the connecting section and the extending direction of the converging part are perpendicular to the first direction, the space occupied by the connecting section and the converging part in the first direction is minimized, and further the occupied space of the thermal management component in the first direction is further saved, so that the internal space utilization rate of the battery with the thermal management component is improved.

In some embodiments, the body section has a connecting section connected at both ends thereof in a first direction; the thermal management component comprises two converging parts which are respectively connected with the two connecting sections.

In the above technical scheme, the both ends of main part section all are provided with the linkage segment, and every linkage segment all is connected with a portion that converges for the both ends of the medium runner of body portion all communicate with the chamber that converges of two portions, thereby can realize that heat transfer medium flows from the chamber that converges of a portion after entering the medium runner of body portion from the chamber that converges of another portion that converges, in order to realize the circulation of heat transfer medium in the medium runner, and then be favorable to promoting the heat transfer ability of thermal management part.

In some embodiments, the body portion has a plurality of media flow passages formed therein, each of the plurality of media flow passages being in communication with the manifold chamber.

In the above technical scheme, through setting up a plurality of medium runners in the inside of body portion, and a plurality of medium runners all with the chamber intercommunication that converges of converging portion to make the chamber that converges of converging portion can play the effect of converging, so that pour into the heat transfer medium into in a plurality of medium runners simultaneously or supply the heat transfer medium in a plurality of medium runners to flow out.

In some embodiments, the thermal management component further comprises a connecting tube; the connecting pipes are arranged in one-to-one correspondence with the converging parts, are connected to the converging parts and are communicated with the converging cavities.

In the technical scheme, the heat management component is further provided with the connecting pipe connected to the converging part, and the connecting pipe is communicated with the converging cavity, and the heat management component adopting the structure is convenient to be connected with other components through the connecting pipe so as to realize series connection or parallel connection among a plurality of heat management components, thereby being beneficial to reducing the assembly difficulty between the heat management component and the other components.

In some embodiments, a protrusion is formed at an end of the confluence part remote from the connection section, and the connection pipe is connected to the protrusion.

In the above technical scheme, through keeping away from the one end of linkage segment at the portion of converging and setting up the arch, and connect the connecting pipe on protruding to realize the chamber intercommunication that converges of connecting pipe and portion of converging, the heat management part of adopting this kind of structure is convenient for connect the connecting pipe on the portion of converging, is favorable to reducing the assembly degree of difficulty between connecting pipe and the portion of converging.

In some embodiments, the connecting section is bent to a side of the main section in the second direction relative to the main section, and the connecting tube is connected to one end of the protrusion in the third direction, where the first direction, the second direction and the third direction are perpendicular to each other.

In the technical scheme, the connecting section is arranged opposite to the main body section and is bent to one side of the main body section in the second direction, and the connecting pipe is connected to one side of the protrusion in the third direction, so that the connecting position of the connecting pipe and the protrusion cannot occupy additional space of the heat management component in the first direction, and the occupied space of the heat management component in the first direction is saved.

In some embodiments, the connecting tube extends in a third direction.

In the above technical scheme, the connecting pipe is arranged to be of a structure extending along the third direction, so that the connecting pipe is mutually perpendicular to the first direction, thereby being beneficial to optimizing the occupied space of the connecting pipe in the first direction, and further saving the occupied space of the thermal management component in the first direction.

In some embodiments, a notch is formed at an end of the converging portion away from the connecting section, the notch and the protrusion are arranged along a third direction, and the notch is used for accommodating at least part of the connecting pipe.

In the above technical scheme, still be formed with the breach on the one end that the junction is kept away from to the converging portion, and breach and protruding are arranged along the third direction for connect in the connecting pipe of protruding one side in the third direction can hold in the breach, be convenient for on the one hand connect the connecting pipe on protruding, be favorable to reducing the assembly degree of difficulty, on the other hand can effectively save the occupation space of thermal management part in the first direction, and can optimize the occupation space of thermal management part in the third direction.

In some embodiments, the connection tube is connected to an end of the protrusion remote from the connection section.

In the technical scheme, the connecting pipe is connected to one end of the protrusion, which is away from the connecting section, so that interference influence between the converging part and the connecting pipe is reduced, and assembly difficulty between the connecting pipe and the protrusion is reduced.

In some embodiments, the connecting section is bent to one side of the body section in the second direction relative to the body section; the connecting pipe comprises a first pipe section and a second pipe section, wherein the first pipe section is connected with the bulge and the second pipe section, the first pipe section extends along the second direction, the second pipe section extends along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

In the above technical scheme, the connecting pipe is provided with the first pipe section and the second pipe section which are connected with each other, the first pipe section connected to the bulge is arranged to be of a structure extending along the second direction, and the second pipe section connected to the first pipe section is arranged to be of a structure extending along the third direction, so that the whole extending direction of the connecting pipe is of a structure mutually perpendicular to the first direction, thereby being beneficial to optimizing the occupied space of the connecting pipe in the first direction and saving the occupied space of the heat management component in the first direction.

In some embodiments, the connection pipe does not extend beyond both sides of the confluence portion in a thickness direction of the connection section.

In the above technical scheme, the connecting pipe is arranged to be not beyond the two sides of the converging portion in the thickness direction of the connecting section, so that the connecting pipe is positioned between the two sides of the converging portion in the thickness direction of the connecting section, and the connecting pipe can occupy no extra space, thereby being beneficial to optimizing the occupied space of the thermal management component.

In some embodiments, the thickness direction of the connection section coincides with the first direction.

In the above technical scheme, through setting the thickness direction of linkage segment to unanimous with first direction for the linkage segment is buckling to the structure with main part section mutually perpendicular, thereby makes the connecting pipe that is located between the both sides of converging the portion in the thickness direction of linkage segment can not occupy the extra space of converging the portion in first direction, and then is favorable to saving the occupation space of converging portion and connecting pipe in first direction.

In a second aspect, embodiments of the present application also provide a thermal management system including a plurality of the thermal management components described above.

In the technical scheme, the thermal management system is provided with the plurality of thermal management components, and the thermal management system can exchange heat with the interior of the battery through the plurality of thermal management components, so that the thermal management capability of the thermal management system is improved.

In some embodiments, the thermal management system further comprises a delivery tube; the delivery tube is in communication with the manifold chamber of the plurality of thermal management components, the delivery tube configured to provide a heat exchange medium into the manifold chamber.

In the technical scheme, the heat management system is further provided with the conveying pipe, and the conveying pipe is communicated with the converging cavities of the plurality of heat management components, so that the conveying pipe can simultaneously provide heat exchange medium for the converging cavities of the plurality of heat management components, and the work efficiency of the heat management system is improved.

In some embodiments, the thermal management system further comprises a flexible connection; the flexible connecting pieces are arranged in one-to-one correspondence with the converging portions, the flexible connecting pieces are connected with the converging portions and the conveying pipes so that the converging cavities are communicated with the conveying pipes, and the flexible connecting pieces are configured to allow the conveying pipes to move relative to the converging portions.

In the technical scheme, the conveying pipe is connected with the converging part of the thermal management component through the flexible connecting piece so as to realize the communication of the converging cavity and the conveying pipe, and the thermal management system adopting the structure can realize the relative movement of the converging part of the conveying pipe through the flexible connecting piece, so that the conveying pipe and the converging part are convenient to assemble, the assembly tolerance between the conveying pipe and the converging part can be absorbed through the flexible connecting piece, the assembly precision between the conveying pipe and the converging part is further improved, and the assembly difficulty between the conveying pipe and the converging part is reduced.

In some embodiments, the flexible connection comprises a floating joint or hose.

In the technical scheme, the floating joint or the hose is used as the flexible connecting piece to connect the converging portion and the conveying pipe, so that the converging cavity is communicated with the conveying pipe, the conveying pipe can move relative to the converging portion, and the structure is simple and convenient to realize.

In some embodiments, the thermal management component further comprises a connecting tube; the connecting pipes are arranged in one-to-one correspondence with the converging parts, are connected to the converging parts and are communicated with the converging cavities, and the flexible connecting pieces are communicated with the connecting pipes and the conveying pipes.

In the technical scheme, the connecting pipe communicated with the converging cavity is connected to the converging portion, the connecting pipe can be communicated with the converging cavity of the converging portion through the flexible connecting piece after being connected with the conveying pipe, and the converging portion adopting the structure is beneficial to reducing the connection difficulty between the flexible connecting piece and the converging portion so as to reduce the assembly difficulty between the flexible connecting piece and the converging portion.

In some embodiments, the plurality of thermal management components are arranged along a second direction, and the delivery tube is disposed on one side of the plurality of thermal management components in a third direction, where the first direction, the second direction, and the third direction are perpendicular to each other.

In the above technical scheme, through setting up a plurality of thermal management parts of thermal management system to the structure of arranging along the second direction, and the conveyer pipe sets up in a plurality of thermal management parts one side in the third direction, the thermal management system who adopts this kind of structure is favorable to saving the occupation space of thermal management part in the first direction on the one hand to promote the interior space utilization of the battery that has this kind of thermal management system, on the other hand is convenient for pull out the plug to the conveyer pipe, thereby be favorable to reducing the assembly degree of difficulty of conveyer pipe, and be favorable to maintaining or changing the conveyer pipe in later use, with the follow-up maintenance cost of reduction thermal management system.

In a third aspect, embodiments of the present application further provide a battery, including a case, a plurality of battery cells, and the thermal management system described above; the plurality of battery cells are accommodated in the box body; the thermal management system is disposed within the case and is configured to manage a temperature of the battery cells.

In some embodiments, the connecting section is bent to a side of the main section in a second direction relative to the main section, the plurality of battery cells are arranged along the second direction, a thermal management component is arranged between each two adjacent battery cells, and the second direction is perpendicular to the first direction; the main body section is located on one side of the battery cell in the second direction, the main body section is configured to exchange heat with the battery cell, and the connecting section and the converging portion are located on one side of the battery cell in the first direction.

In the above technical solution, the main body section of the body portion of the thermal management component is set to be located at one side of the battery cell in the second direction, so as to realize heat exchange between the body portion and the battery cell, thereby realizing the thermal management function of the thermal management component on the battery cell. In addition, through setting up the linkage segment of body portion to relative main part section and buckle to main part section one side in the second direction for the linkage segment of converging portion and body portion all is located battery monomer one side in first direction, thereby guarantees to have sufficient joint space and can effectively body portion and converging portion occupation space in first direction when guaranteeing joint strength and reliability between the linkage segment of converging portion and body portion, and then is favorable to optimizing the inner space of battery, in order to improve the space utilization in battery inside, and then can effectively promote the energy density of battery.

In a fourth aspect, an embodiment of the present application further provides an electrical device, including the above battery, where the battery is used to provide electrical energy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

FIG. 2 is an exploded view of a battery according to some embodiments of the present application;

FIG. 3 is a schematic diagram of a thermal management system according to some embodiments of the present application;

FIG. 4 is a schematic structural view of a thermal management component provided in some embodiments of the present application;

FIG. 5 is an enlarged view of a portion of the thermal management component A shown in FIG. 4;

FIG. 6 is a cross-sectional view of a thermal management component provided in some embodiments of the present application;

FIG. 7 is a schematic structural view of a thermal management component provided in further embodiments of the present application;

FIG. 8 is a partial enlarged view of a portion B of the thermal management component shown in FIG. 7;

FIG. 9 is an enlarged view of a portion of the thermal management system shown in FIG. 3 at C;

FIG. 10 is a partial cross-sectional view of a thermal management system of a battery provided in some embodiments of the present application;

FIG. 11 is a schematic diagram illustrating an assembly of a battery thermal management system and a battery cell according to some embodiments of the present disclosure;

fig. 12 is a partial enlarged view of a portion D of the thermal management system of fig. 11 and a battery cell assembled with each other.

Icon: 1000-vehicle; 100-cell; 10-a box body; 11-a first tank body; 12-a second tank body; 20-battery cells; 30-a thermal management system; 31-a thermal management component; 311-body portion; 3111-media flow path; 3112-a body segment; 3113-a connecting segment; 312-confluence part; 3121-a confluence lumen; 3122-protrusions; 3123-gaps; 313-connecting pipes; 3131—a first tube section; 3132-a second tube section; 32-a conveying pipe; 33-flexible connection; 200-a controller; 300-motor; x-a first direction; y-a second direction; z-third direction.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Unless defined otherwise, 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 belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The term "and/or" in this application is merely an association relation describing an associated object, and indicates that three relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In this application, the character "/" generally indicates that the associated object is an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and in the interest of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are illustrative only and should not be construed as limiting the present application in any way.

The term "plurality" as used herein refers to more than two (including two).

In this embodiment of the present application, the battery cell may be a secondary battery, and the secondary battery refers to a battery cell that can activate the active material by charging after discharging the battery cell and continue to use.

The battery cell may be a lithium ion battery, a sodium lithium ion battery, a lithium metal battery, a sodium metal battery, a lithium sulfur battery, a magnesium ion battery, a nickel hydrogen battery, a nickel cadmium battery, a lead storage battery, or the like, which is not limited in the embodiment of the present application.

The battery cell generally includes an electrode assembly. The electrode assembly includes a positive electrode, a negative electrode, and a separator. During the charge and discharge of the battery cell, active ions (e.g., lithium ions) are inserted and extracted back and forth between the positive electrode and the negative electrode. The separator is arranged between the positive electrode and the negative electrode, can play a role in preventing the positive electrode and the negative electrode from being short-circuited, and can enable active ions to pass through.

In some embodiments, the positive electrode may be a positive electrode sheet, which may include a positive electrode current collector and a positive electrode active material disposed on at least one surface of the positive electrode current collector.

As an example, the positive electrode current collector has two surfaces opposing in its own thickness direction, and the positive electrode active material is provided on either or both of the two surfaces opposing the positive electrode current collector.

As an example, the positive electrode current collector may employ a metal foil or a composite current collector. For example, as the metal foil, silver-surface-treated aluminum or stainless steel, copper, aluminum, nickel, carbon electrode, carbon, nickel, titanium, or the like can be used. The composite current collector may include a polymeric material base layer and a metal layer. The composite current collector may be formed by forming a metal material (aluminum, aluminum alloy, nickel alloy, titanium alloy, silver alloy, etc.) on a polymer material substrate (e.g., a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.).

As an example, the positive electrode active material may include at least one of the following materials: lithium-containing phosphates, lithium transition metal oxides, and their respective modified compounds. However, the present application is not limited to these materials, and other conventional materials that can be used as a battery positive electrode active material may be used. These positive electrode active materials may be used alone or in combination of two or more. Examples of the lithium-containing phosphate may include, but are not limited to, at least one of lithium iron phosphate (e.g., liFePO4 (which may also be abbreviated as LFP)), a composite of lithium iron phosphate and carbon, lithium manganese phosphate (e.g., liMnPO 4), a composite of lithium manganese phosphate and carbon, lithium manganese phosphate, and a composite of lithium manganese phosphate and carbon.

In some embodiments, the negative electrode may be a negative electrode tab, which may include a negative electrode current collector.

As an example, the negative electrode current collector may employ a metal foil, a foam metal, or a composite current collector. For example, as the metal foil, silver-surface-treated aluminum or stainless steel, copper, aluminum, nickel, carbon electrode, carbon, nickel, titanium, or the like can be used. The foam metal can be foam nickel, foam copper, foam aluminum, foam alloy, foam carbon or the like. The composite current collector may include a polymeric material base layer and a metal layer. The composite current collector may be formed by forming a metal material (copper, copper alloy, nickel alloy, titanium alloy, silver alloy, etc.) on a polymer material substrate (e.g., a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.).

As an example, the negative electrode sheet may include a negative electrode current collector and a negative electrode active material disposed on at least one surface of the negative electrode current collector.

As an example, the anode current collector has two surfaces opposing in its own thickness direction, and the anode active material is provided on either or both of the two surfaces opposing the anode current collector.

As an example, a negative active material for a battery cell, which is well known in the art, may be used. As an example, the anode active material may include at least one of the following materials: artificial graphite, natural graphite, soft carbon, hard carbon, silicon-based materials, tin-based materials, lithium titanate, and the like.

In some embodiments, the material of the positive electrode current collector may be aluminum and the material of the negative electrode current collector may be copper.

In some embodiments, the electrode assembly further includes a separator disposed between the positive electrode and the negative electrode.

In some embodiments, the separator is a separator film. The type of the separator is not particularly limited, and any known porous separator having good chemical stability and mechanical stability may be used.

As an example, the main material of the separator may be at least one selected from glass fiber, non-woven fabric, polyethylene, polypropylene, polyvinylidene fluoride, and ceramic.

In some embodiments, the separator is a solid state electrolyte. The solid electrolyte is arranged between the anode and the cathode and plays roles in transmitting ions and isolating the anode and the cathode.

In some embodiments, the battery cell further includes an electrolyte that serves to conduct ions between the positive and negative electrodes. The type of electrolyte is not particularly limited in this application, and may be selected according to the need. The electrolyte may be liquid, gel or solid.

In some embodiments, the electrode assembly is a rolled structure. The positive plate and the negative plate are wound into a winding structure.

In some embodiments, the electrode assembly is a lamination stack.

In some embodiments, the electrode assembly may have a cylindrical shape, a flat shape, a polygonal column shape, or the like.

In some embodiments, the electrode assembly is provided with tabs that can conduct current away from the electrode assembly. The tab includes a positive tab and a negative tab.

In some embodiments, the battery cell may include a housing. The case is used to encapsulate the electrode assembly, the electrolyte, and the like. The shell can be a steel shell, an aluminum shell, a plastic shell (such as polypropylene), a composite metal shell (such as a copper-aluminum composite shell), an aluminum-plastic film or the like.

As an example, the battery cell may be a cylindrical battery cell, a prismatic battery cell, a pouch battery cell, or other shaped battery cell, including a square-case battery cell, a blade-shaped battery cell, a polygonal-prismatic battery cell, such as a hexagonal-prismatic battery cell, etc., without particular limitation in the present application.

Reference to a battery in embodiments of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity.

In some embodiments, the battery may be a battery module, and when there are a plurality of battery cells, the plurality of battery cells are arranged and fixed to form one battery module.

In some embodiments, the battery may be a battery pack including a case and a battery cell, the battery cell or battery module being housed in the case.

In some embodiments, the tank may be part of the chassis structure of the vehicle. For example, a portion of the tank may become at least a portion of the floor of the vehicle, or a portion of the tank may become at least a portion of the cross member and the side member of the vehicle.

In some embodiments, the battery may be an energy storage device. The energy storage device comprises an energy storage container, an energy storage electric cabinet and the like.

In recent years, new energy automobiles have been developed dramatically, and in the field of electric automobiles, a power battery plays an important role as a power source of the electric automobile. The battery is composed of a box body and a plurality of battery monomers accommodated in the box body. The battery is used as a core part of a new energy automobile, and has high requirements on safety and usability.

The inventors have found that in a general power battery, a plurality of battery cells in a case of the battery are generally arranged in an array so that the battery can obtain sufficient power. However, the battery monomer can produce a large amount of heat in the continuous charge and discharge use to can lead to the inside temperature of battery to rise, and the structure that a plurality of battery monomers range upon range of setting can aggravate the production of this kind of phenomenon, and then seriously influence the performance and the life of battery, can lead to the battery to have great potential safety hazard in the use even, be unfavorable for consumer's safety in utilization.

Therefore, in order to solve the problem that the temperature rise occurs in the battery, in the prior art, a thermal management component is generally disposed in the battery, and a channel through which a heat exchange medium flows is formed in the thermal management component between every two adjacent battery monomers, so that the battery monomers can be cooled or heated to regulate the temperature of the battery monomers. The heat management component is connected to one end of the water cooling plate in the extending direction of the water cooling plate and is communicated with the channel inside the water cooling plate, so that the heat management component can be communicated with a main pipeline for providing heat exchange medium through the converging piece, and the inflow or outflow of the heat exchange medium is realized. However, because the water-cooling plate is generally connected with the converging piece in an adhering, welding or clamping mode, the position where the water-cooling plate is connected with the converging piece needs to have enough width to ensure the connection strength and stability of the water-cooling plate and the converging piece, so that the risk of leakage of heat exchange medium caused by breakage and cracking of the heat management component in the use process is reduced, and the water-cooling plate needs to be arranged to extend out of the end face of the battery monomer in the extending direction and then be connected with the converging piece, so that the occupied space of the heat management component in the extending direction of the water-cooling plate is larger, the optimization of the internal space of the battery is not facilitated, the internal space utilization rate of the battery is further reduced, and the energy density of the battery is not facilitated to be improved.

Based on the above-mentioned considerations, in order to solve the problem of low space utilization rate inside the existing battery, the inventors have conducted intensive studies to design a thermal management member including a body portion and a confluence portion. The inside medium runner that is used for holding heat transfer medium that is formed with of body portion, body portion include integrated into one piece's main part section and linkage segment, and main part section extends along first direction, and the linkage segment is connected in main part section in first direction's one end, and the relative main part section bending type of linkage segment sets up. The converging portion is connected to one end of the connecting section, which is far away from the main body section, and extends along the extending direction of the connecting section, and a converging cavity is formed in the converging portion and communicated with the medium flow passage.

In the battery of the heat management component with the structure, the heat management component is provided with the body part and the converging part, the body part comprises a main body section and a connecting section which are integrally formed, the converging part is arranged at one end of the connecting section of the body part, which is far away from the main body section, so that a medium flow channel in the body part can be mutually communicated with a converging cavity in the converging part, so that a heat exchange medium can flow into or out of the medium flow channel of the body part through the converging cavity of the converging part, heat exchange can be carried out between the main body section of the body part and a battery cell in the battery to realize temperature management in the battery, wherein the connecting section of the body part is arranged into a structure which is bent relative to the main body section, and the converging part is connected with the connecting section and is consistent with the extending direction of the connecting section, and the extending direction of the connecting section can deviate from the first direction, the heat management component with the structure can ensure that the connecting section of the connecting section and the converging part has enough connecting space to ensure the connecting strength and reliability, and simultaneously can effectively save the occupied space of the heat management component in the first direction, thereby being favorable for optimizing the internal space utilization of the heat management component in the battery in the first direction, and further improving the energy density of the battery.

The thermal management components disclosed in embodiments of the present application may be used, but are not limited to, in electrical devices such as vehicles, boats, or aircraft. The power supply system with the heat management system, the battery and the like disclosed by the application can be used for forming the power utilization device, so that the occupied space of the heat management component is reduced, and the space utilization rate of the inside of the battery is improved.

The embodiment of the application provides an electricity utilization device using a battery as a power supply, wherein the electricity utilization device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a plurality of battery cells 20, and the battery cells 20 are accommodated in the case 10.

The case 10 is used to provide an assembly space for the battery cells 20, and the case 10 may have various structures. In some embodiments, the case 10 may include a first case body 11 and a second case body 12, the first case body 11 and the second case body 12 being covered with each other, the first case body 11 and the second case body 12 together defining an assembly space for accommodating the battery cell 20. The second box body 12 may have a hollow structure with one end opened, the first box body 11 may have a plate-shaped structure, and the first box body 11 covers the open side of the second box body 12, so that the first box body 11 and the second box body 12 define an assembly space together; the first tank body 11 and the second tank body 12 may each have a hollow structure with one side opened, and the open side of the first tank body 11 may be closed to the open side of the second tank body 12. Of course, the case 10 formed by the first case body 11 and the second case body 12 may be various shapes, such as a cylinder, a rectangular parallelepiped, and the like. Illustratively, in fig. 2, the case 10 is of a rectangular parallelepiped structure.

In the battery 100, the number of the battery cells 20 may be one or more. In some embodiments, referring to fig. 2, the battery 100 includes a plurality of battery cells 20, and the plurality of battery cells 20 may be connected in series or parallel or in series-parallel, where a series-parallel connection refers to both series and parallel connection of the plurality of battery cells 20. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 20 is accommodated in the box 10; of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in the case 10. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Alternatively, each battery cell 20 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. Likewise, the shape of the battery cell 20 may be various, for example, the battery cell 20 may have a cylindrical shape, a flat shape, a rectangular shape, or other shapes.

In fig. 2, the battery cells 20 are rectangular parallelepiped, the battery cells 20 extend along a first direction X, and the plurality of battery cells 20 are arranged along a second direction Y, the first direction X and the second direction Y are perpendicular to each other, i.e., the first direction X is a length direction of the battery cells 20, and the second direction Y is a thickness direction of the battery cells 20. The third direction Z is the height direction of the battery cell 20.

In some embodiments, referring to fig. 2, and further referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a thermal management system 30 according to some embodiments of the present application, and fig. 4 is a schematic structural diagram of a thermal management component 31 according to some embodiments of the present application. The battery 100 may further include a thermal management system 30, where the thermal management system 30 is disposed in the case 10, and the thermal management system 30 is configured to manage a temperature of the battery cell 20 in the battery 100, so as to perform a cooling or heating function on the battery cell 20, thereby effectively alleviating a temperature rise phenomenon occurring in the battery 100, and improving use safety of the battery 100.

The thermal management system 30 may include a plurality of thermal management components 31, where the plurality of thermal management components 31 are disposed at intervals along the second direction Y, and each two adjacent battery cells 20 are provided with the thermal management component 31 therebetween, and the thermal management component 31 is configured to exchange heat with the battery cell 20 to manage the temperature of the battery cell 20, so as to perform a cooling or heating function on the battery cell 20.

Alternatively, the plurality of thermal management components 31 of the thermal management system 30 may be configured in series with each other or in parallel with each other. Illustratively, in fig. 3 and 4, the plurality of thermal management components 31 are configured in parallel with each other, and the thermal management system 30 may further include a delivery pipe 32, where each of the plurality of thermal management components 31 is in communication with the delivery pipe 32, such that the delivery pipe 32 is capable of simultaneously providing a heat exchange medium to the plurality of thermal management components 31 to achieve a parallel configuration between the plurality of thermal management components 31. Of course, in other embodiments, the plurality of thermal management components 31 may be connected in series, that is, the plurality of thermal management components 31 are connected in sequence, so as to realize a series structure between the plurality of thermal management components 31.

It should be noted that, in the structure in which the plurality of thermal management components 31 are connected in series or in parallel, one thermal management component 31 may be directly connected to another thermal management component 31, or may be connected through other components, such as a pipe, etc., to realize a series structure or a parallel structure of the plurality of thermal management components 31.

Referring to fig. 3 and 4, and further referring to fig. 5 and 6, fig. 5 is an enlarged view of a portion of the thermal management component 31 shown in fig. 4, and fig. 6 is a cross-sectional view of the thermal management component 31 provided in some embodiments of the present application, according to some embodiments of the present application. The present application provides a thermal management component 31, the thermal management component 31 including a body portion 311 and a converging portion 312. The body portion 311 is formed inside with a medium flow passage 3111 for accommodating a heat exchange medium, the body portion 311 includes an integrally formed main body section 3112 and a connection section 3113, the main body section 3112 extends in a first direction X, and the connection section 3113 is connected to one end of the main body section 3112 in the first direction X. The junction 312 is connected to an end of the connection segment 3113 away from the main body segment 3112 and extends along the extending direction of the connection segment 3113, and a junction cavity 3121 is formed inside the junction 312, where the junction cavity 3121 communicates with the medium channel 3111, and the connection segment 3113 is bent relative to the main body segment 3112.

The medium flow channel 3111 for accommodating the heat exchange medium is formed inside the body portion 311 of the thermal management component 31, and the body portion 311 includes a body section 3112 and a connection section 3113 that are integrally formed, that is, the body portion 311 is of an integral structure, and a part of the medium flow channel 3111 formed inside is located in the body section 3112 and another part is located in the connection section 3113, so that heat exchange between the body section 3112 of the body portion 311 and the battery cell 20 can be achieved by injecting the heat exchange medium into the medium flow channel 3111, so as to achieve the function of the thermal management component 31 to manage the temperature of the battery cell 20.

Alternatively, the shape of the body portion 311 may be various, and in fig. 4 and 5, the body portion 311 is exemplified by a plate-like structure, and the thickness direction of the main section 3112 of the body portion 311 is the same as the second direction Y, however, in other embodiments, the body portion 311 may be a columnar structure or the like. Similarly, the number of the medium channels 3111 provided in the main body 311 may be one or plural, and as an example, in fig. 6, the number of the medium channels 3111 provided in the main body 311 is plural, and the plurality of the medium channels 3111 are arranged at intervals along the third direction Z, which is advantageous for improving the heat exchange capability between the main body 311 and the battery cell 20.

The heat exchange medium may be, for example, a gas, such as air or hydrogen, etc., and the heat exchange medium may be a liquid, such as water, a saline solution, liquid nitrogen, etc.

The connection segment 3113 is connected to one end of the main body segment 3112 in the first direction X, and the connection segment 3113 is bent with respect to the main body segment 3112, i.e. the connection segment 3113 is disposed at an angle with respect to the main body segment 3112. Illustratively, in fig. 5, the connector segment 3113 is bent to one side of the body segment 3112 in the second direction Y relative to the body segment 3112, i.e., the connector segment 3113 is located on one side of the body segment 3112 in the second direction Y. Of course, the structure of the body portion 311 is not limited thereto, and in some embodiments, the connection section 3113 may be bent to a side of the body section 3112 in the third direction Z relative to the body section 3112.

It should be noted that, the connection section 3113 is bent with respect to the main body section 3112, so that the connection section 3113 may be perpendicular to the main body section 3112, or may be an obtuse or acute angle between the connection section 3113 and the main body section 3112. Illustratively, in fig. 5 and 6, the connection segment 3113 is perpendicular to the body segment 3112, i.e., the connection segment 3113 extends in the second direction Y, that is, the thickness direction of the connection segment 3113 is the same as the first direction X.

The bus portion 312 is connected to an end of the connection segment 3113 remote from the body segment 3112 and extends along the extending direction of the connection segment 3113, i.e. the bus portion 312 is connected to the body segment 3112 through the connection segment 3113, and the extending direction of the bus portion 312 is the same as the extending direction of the connection segment 3113. Illustratively, in fig. 5, the connecting segment 3113 is configured to extend in the second direction Y, and likewise, the confluence portion 312 is configured to extend in the second direction Y.

The connection manner between the converging portion 312 and the connecting section 3113 may be various, that is, the body portion 311 and the converging portion 312 may be a split structure or an integral structure, and if the body portion 311 and the converging portion 312 are split structure, the converging portion 312 and the connecting section 3113 of the body portion 311 may be connected by welding, bonding, or clamping; if the body portion 311 and the converging portion 312 are integrally formed, that is, the body portion 311 and the converging portion 312 are integrally formed, the body portion 311 and the converging portion 312 may be formed by a process such as stamping, casting or extrusion.

The interior of the converging portion 312 is formed with a converging cavity 3121, and the converging cavity 3121 is communicated with the medium flow channel 3111, that is, the converging portion 312 is of a hollow structure, so that after the converging portion 312 is connected with the connecting section 3113, the converging cavity 3121 in the converging portion 312 can be communicated with the medium flow channel 3111 in the body portion 311, thereby playing a role of converging.

The thermal management member 31 is provided with a body portion 311 and a confluence portion 312, the body portion 311 including a body section 3112 and a connection section 3113 integrally formed, the confluence portion 312 being provided at an end of the connection section 3113 of the body portion 311 remote from the body section 3112 such that a medium flow channel 3111 in the body portion 311 can communicate with a confluence chamber 3121 in the confluence portion 312 to enable a heat exchange medium to flow into or out of the medium flow channel 3111 of the body portion 311 through the confluence chamber 3121 of the confluence portion 312, whereby heat exchange can be performed with the battery cells 20 inside the battery 100 through the body section 3112 of the body portion 311 to achieve management of temperature inside the battery 100, wherein by providing the connection section 3113 of the body portion 311 in a structure bent with respect to the body section 3112, and the converging portion 312 is connected to the connecting section 3113 and is consistent with the extending direction of the connecting section 3113, so that the extending direction of the connecting section 3113 and the extending direction of the converging portion 312 can deviate from the first direction X, thereby enabling the thermal management component 31 adopting such a structure to have sufficient connecting space between the connecting section 3113 of the body portion 311 and the converging portion 312 to ensure the connection strength and reliability while effectively saving the occupied space of the thermal management component 31 in the first direction X, being beneficial to optimizing the internal space of the battery 100 having such thermal management component 31, and further being capable of effectively improving the space utilization rate inside the battery 100 to improve the energy density of the battery 100.

According to some embodiments of the present application, referring to fig. 4 and 5, the body portion 311 is a plate-like structure, and the connection section 3113 is bent to one side of the body section 3112 in the thickness direction of the body section 3112 with respect to the body section 3112.

In this embodiment, the main body segment 3112 of the body portion 311 extends along the first direction X, and the thickness direction of the main body segment 3112 is consistent with the second direction Y, that is, the connecting segment 3113 of the body portion 311 is bent relative to the main body segment 3112 such that the connecting segment 3113 is located at one side of the main body segment 3112 in the second direction Y.

By arranging the body portion 311 in a plate-like structure and arranging the connection section 3113 to bend to one side of the body portion 3112 in the thickness direction of the body portion 3112 with respect to the body portion 3112, the body portion 311 of such a structure facilitates bending the connection section 3113 during manufacture, which is advantageous for reducing the difficulty in processing the body portion 311, and on the other hand enables the connection section 3113 to be located on one side of the battery cell 20 in the first direction X without occupying space in other directions when the body portion 3112 is arranged between two battery cells 20 arranged in a stacked arrangement in the thickness direction of the body portion 3112, which is advantageous for further optimizing the inner space of the battery 100 having such a thermal management member 31, so as to improve the energy density of the battery 100.

In accordance with some embodiments of the present application, with continued reference to fig. 4 and 5, the body segment 3112 and the connector segment 3113 are perpendicular to each other.

Wherein the main body section 3112 of the body portion 311 extends along the first direction X, the main body section 3112 and the connecting section 3113 are perpendicular to each other, that is, the connecting section 3113 extends along the direction perpendicular to the first direction X, in fig. 5, the connecting section 3113 is configured to extend along the second direction Y, such that the connecting section 3113 and the bus portion 312 are perpendicular to the main body section 3112 and the first direction X.

By arranging the connection section 3113 to bend relative to the main body section 3112 in a structure in which the connection section 3113 and the main body section 3112 are perpendicular to each other, the extending direction of the connection section 3113 and the extending direction of the bus portion 312 are perpendicular to the first direction X, so that the space occupied by the connection section 3113 and the bus portion 312 in the first direction X is minimized, which is beneficial to further saving the space occupied by the thermal management component 31 in the first direction X, so as to improve the internal space utilization of the battery 100 having such thermal management component 31.

According to some embodiments of the present application, referring to fig. 3, 4 and 5, in the first direction X, the connection sections 3113 are connected to both ends of the body section 3112, and the thermal management component 31 includes two confluence portions 312, and the two confluence portions 312 are connected to the two connection sections 3113, respectively.

Wherein, the two ends of the main body segment 3112 are connected with the connection segments 3113, and the two converging portions 312 are respectively connected with the two connection segments 3113, that is, the two ends of the main body segment 3112 of the main body portion 311 in the first direction X are all provided with converging portions 312, and each converging portion 312 is connected with the main body segment 3112 through one connection segment 3113, so that the medium flow channel 3111 of the main body portion 311 can be communicated with the converging cavities 3121 of the two converging portions 312.

The two ends of the main body section 3112 are respectively provided with a connection section 3113, and each connection section 3113 is connected with one confluence part 312, so that the two ends of the medium flow channel 3111 of the body section 311 can be communicated with the confluence cavities 3121 of the two confluence parts 312, and heat exchange medium can flow out from the confluence cavity 3121 of the other confluence part 312 after entering the medium flow channel 3111 of the body section 311 from the confluence cavity 3121 of the one confluence part 312, so that circulation of the heat exchange medium in the medium flow channel 3111 is realized, and further heat exchange capability of the thermal management component 31 is improved.

According to some embodiments of the present application, as shown in fig. 6, a plurality of medium flow channels 3111 are formed inside the body 311, and each of the plurality of medium flow channels 3111 communicates with the manifold chamber 3121.

Illustratively, the plurality of media flow channels 3111 within the body portion 311 are arranged at intervals along the third direction Z, each media flow channel 3111 extends into the main body segment 3112 and the connecting segment 3113, and a portion of the media flow channel 3111 within the main body segment 3112 extends along the first direction X, and a portion of the media flow channel 3111 within the connecting segment 3113 extends along the second direction for ease of manufacture and processing, and ease of heat exchange medium flowing into or out of the media flow channel 3111.

In the embodiment in which the confluence parts 312 are connected to both ends of the main body 311, both ends of the plurality of medium flow channels 3111 are respectively connected to the confluence chambers 3121 of two confluence parts 312, that is, one end of the plurality of medium flow channels 3111 is connected to the confluence chamber 3121 of one confluence part 312, and the other end of the plurality of medium flow channels 3111 is connected to the confluence chamber 3121 of the other confluence part 312.

By arranging the plurality of medium flow channels 3111 inside the body portion 311, and the plurality of medium flow channels 3111 are all communicated with the confluence cavity 3121 of the confluence portion 312, the confluence cavity 3121 of the confluence portion 312 can perform a confluence function, so as to facilitate the injection of heat exchange medium into the plurality of medium flow channels 3111 or the outflow of heat exchange medium in the plurality of medium flow channels 3111.

According to some embodiments of the present application, referring to fig. 4, 5 and 6, the thermal management component 31 further includes connection pipes 313, the connection pipes 313 are disposed in one-to-one correspondence with the confluence parts 312, the connection pipes 313 are connected to the confluence parts 312, and the connection pipes 313 communicate with the confluence cavities 3121.

The junction portion 312 is connected with a connection pipe 313, so that the junction cavity 3121 is connected with the connection pipe 313 and then can be connected with the conveying pipe 32 through the connection pipe 313, so that the conveying pipe 32 can convey the heat exchange medium into the junction cavity 3121, and the heat exchange medium can flow in the medium channel 3111 of the body portion 311.

Alternatively, the connection manner of the connection pipe 313 and the confluence part 312 may be various, and in fig. 5 and 6, the connection pipe 313 and the confluence part 312 are formed as a single structure, i.e., the connection pipe 313 and the confluence part 312 are manufactured through a single molding process, such as casting, extrusion molding, etc., by way of example. Of course, in some embodiments, the connection pipe 313 and the converging portion 312 may be separate structures, and the connection pipe 313 may be connected to the converging portion 312 by clamping, bonding, welding, or the like.

The thermal management component 31 is further provided with a connection pipe 313 connected to the confluence part 312, and the connection pipe 313 communicates with the confluence chamber 3121, and the thermal management component 31 adopting such a structure is convenient to be connected with other components through the connection pipe 313, so as to realize series connection or parallel connection between the plurality of thermal management components 31, thereby being beneficial to reducing the assembly difficulty between the thermal management component 31 and the other components.

According to some embodiments of the present application, referring to fig. 4, 5 and 6, a protrusion 3122 is formed at an end of the confluence part 312 remote from the connection section 3113, and the connection pipe 313 is connected to the protrusion 3122.

Wherein, a protrusion 3122 is formed at an end of the converging portion 312 away from the connection section 3113, that is, a protrusion 3122 is formed at an end of the converging portion 312 away from the main body section 3112 of the body portion 311 in the second direction Y, and a converging cavity 3121 in the converging portion 312 extends into the protrusion 3122, such that the connection pipe 313 can communicate with the converging cavity 3121 after being connected to the protrusion 3122.

By providing the protrusion 3122 at the end of the confluence part 312 away from the connection section 3113 and connecting the connection pipe 313 to the protrusion 3122, communication between the connection pipe 313 and the confluence cavity 3121 of the confluence part 312 is achieved, and the thermal management component 31 adopting such a structure facilitates connection of the connection pipe 313 to the confluence part 312, which is advantageous for reducing the difficulty of assembly between the connection pipe 313 and the confluence part 312.

According to some embodiments of the present application, as shown in fig. 4, 5 and 6, the connecting section 3113 is bent to a side of the main body section 3112 in the second direction Y relative to the main body section 3112, and the connecting tube 313 is connected to one end of the protrusion 3122 in the third direction Z, where the first direction X, the second direction Y and the third direction Z are perpendicular.

Wherein the connection segment 3113 is bent to a side of the body segment 3112 in the second direction Y with respect to the body segment 3112, i.e., the connection segment 3113 is positioned at a side of the body segment 3112 in the second direction Y after the connection segment 3113 is bent with respect to the body segment 3112. Illustratively, the connector segment 3113 is perpendicular to the body segment 3112, i.e., the thickness direction of the connector segment 3113 coincides with the first direction X.

By bending the connection segment 3113 to the side of the body segment 3112 in the second direction relative to the body segment 3112 and connecting the connection tube 313 to the side of the protrusion 3122 in the third direction Z, the connection position of the connection tube 313 and the protrusion 3122 does not occupy additional space of the thermal management component 31 in the first direction X, thereby facilitating saving of the space occupied by the thermal management component 31 in the first direction X.

In some embodiments, as shown with reference to fig. 5 and 6, the connection tube 313 extends in the third direction Z. That is, the extending direction of the connection pipe 313 is perpendicular to the first direction X.

By arranging the connection pipe 313 to extend in the third direction Z such that the connection pipe 313 is perpendicular to the first direction X, it is advantageous to optimize the space occupied by the connection pipe 313 in the first direction X to further save the space occupied by the thermal management component 31 in the first direction X.

In some embodiments, as shown in fig. 5 and 6, a notch 3123 is formed at an end of the converging portion 312 away from the connecting section 3113, the notch 3123 and the protrusion 3122 are arranged along the third direction Z, and the notch 3123 is configured to receive at least a portion of the connecting pipe 313.

Wherein, a gap 3123 is formed at an end of the converging portion 312 away from the connecting section 3113, the gap 3123 and the protrusion 3122 are arranged along the third direction Z, that is, an end of the converging portion 312 provided with the protrusion 3122 in the second direction Y is further correspondingly formed with the gap 3123, and the gap 3123 and the protrusion 3122 are arranged along the third direction Z, so that the connecting pipe 313 connected to one side of the protrusion 3122 in the third direction Z can be accommodated in the gap 3123.

The end of the converging portion 312 away from the connecting section 3113 is further provided with a notch 3123, and the notch 3123 and the protrusion 3122 are arranged along the third direction Z, so that the connecting pipe 313 connected to one side of the protrusion 3122 in the third direction Z can be accommodated in the notch 3123, on one hand, the connecting pipe 313 is convenient to be connected to the protrusion 3122, which is beneficial to reducing the assembly difficulty, on the other hand, the occupied space of the thermal management component 31 in the first direction X can be effectively saved, and the occupied space of the thermal management component 31 in the third direction Z can be optimized.

Referring to fig. 7 and 8, fig. 7 is a schematic structural view of a thermal management component 31 according to still other embodiments of the present application, and fig. 8 is a partial enlarged view at B of the thermal management component 31 shown in fig. 7. Connection tube 313 is connected to an end of projection 3122 remote from connection segment 3113. That is, the connection pipe 313 is connected to a section of the protrusion 3122 facing away from the connection section 3113 in the second direction Y such that the connection section 3113, the protrusion 3122, and the connection pipe 313 are sequentially arranged in the second direction Y.

By attaching connection tube 313 to the end of projection 3122 facing away from connection segment 3113, interference effects between bus 312 and connection tube 313 are advantageously reduced, reducing assembly difficulty between connection tube 313 and projection 3122.

In some embodiments, referring to fig. 8, the connection segment 3113 is bent to one side of the body segment 3112 in the second direction Y relative to the body segment 3112. The connection pipe 313 includes a first pipe segment 3131 and a second pipe segment 3132, the first pipe segment 3131 connecting the protrusion 3122 and the second pipe segment 3132, the first pipe segment 3131 extending in the second direction Y, the second pipe segment 3132 extending in the third direction Z, the first direction X, the second direction Y, and the third direction Z being perpendicular to each other.

Wherein the first tube segment 3131 connects the protrusion 3122 and the second tube segment 3132, the first tube segment 3131 extends along the second direction Y, the second tube segment 3132 extends along the third direction Z, i.e., the connecting tube 313 is of an "L" type structure such that the connecting tube 313 has a first tube segment 3131 and a second tube segment 3132 perpendicular to each other, the first tube segment 3131 is connected to the protrusion 3122 and extends along the second direction Y, and the second tube segment 3132 is connected to an end of the first tube segment 3131 remote from the protrusion 3122 and extends along the third direction Z.

The connection pipe 313 is provided with a first pipe segment 3131 and a second pipe segment 3132 that are connected to each other, and by arranging the first pipe segment 3131 connected to the protrusion 3122 to be in a structure extending along the second direction Y and arranging the second pipe segment 3132 connected to the first pipe segment 3131 to be in a structure extending along the third direction Z, the whole extending direction of the connection pipe 313 is in a structure perpendicular to the first direction X, so that the occupation space of the connection pipe 313 in the first direction X is advantageously optimized, and the occupation space of the thermal management component 31 in the first direction X is saved.

According to some embodiments of the present application, referring to fig. 5, the connection pipe 313 does not protrude beyond both sides of the confluence part 312 in the thickness direction of the connection section 3113. That is, the connection pipe 313 is located between both sides of the confluence part 312 in the thickness direction of the connection section 3113, and similarly, the connection pipe 313 is located between both sides of the confluence part 312 in the thickness direction of the confluence part 312.

By disposing the connection pipe 313 so as not to exceed both sides of the confluence portion 312 in the thickness direction of the connection section 3113 such that the connection pipe 313 is located between both sides of the confluence portion 312 in the thickness direction of the connection section 3113, it is advantageous to optimize the occupation space of the thermal management component 31 so that the connection pipe 313 does not occupy additional space.

In some embodiments, with continued reference to fig. 5, the thickness direction of the connection segment 3113 coincides with the first direction X. That is, the connection section 3113 extends in the second direction Y such that the connection section 3113 is perpendicular to the first direction X such that the connection pipe 313 does not protrude beyond both sides of the confluence portion 312 in the first direction X.

By setting the thickness direction of the connection section 3113 to be identical to the first direction X, the connection section 3113 is bent to a structure perpendicular to the main body section 3112, so that the connection pipe 313 located between both sides of the confluence portion 312 in the thickness direction of the connection section 3113 does not occupy additional space of the confluence portion 312 in the first direction X, thereby being beneficial to saving the occupied space of the confluence portion 312 and the connection pipe 313 in the first direction X.

In accordance with some embodiments of the present application, referring to fig. 3 and 4, embodiments of the present application also provide a thermal management system 30, the thermal management system 30 comprising a plurality of thermal management components 31 of any of the above schemes.

Wherein the plurality of thermal management components 31 are arranged at intervals along the second direction Y, that is, the main sections 3112 of the body portion 311 of the plurality of thermal management components 31 are configured at intervals along the second direction Y. Illustratively, in FIG. 3, thermal management system 30 includes four thermal management components 31, although in other embodiments thermal management system 30 may include two, three, five, or six, etc., thermal management components 31.

The thermal management system 30 is provided with a plurality of thermal management components 31, and with such thermal management system 30, it is possible to exchange heat with the inside of the battery 100 through the plurality of thermal management components 31, which is advantageous in improving the thermal management capability of the thermal management system 30.

Referring to fig. 3, and further referring to fig. 9 and 10, fig. 9 is a partial enlarged view of a portion C of thermal management system 30 shown in fig. 3, and fig. 10 is a partial cross-sectional view of thermal management system 30 of battery 100 according to some embodiments of the present application. The thermal management system 30 may further include a delivery tube 32, the delivery tube 32 being in communication with each of the manifold chambers 3121 of the plurality of thermal management components 31, the delivery tube 32 being configured to provide a heat exchange medium into the manifold chambers 3121.

Wherein the delivery pipe 32 plays a role of delivering or recovering the heat exchange medium, and the delivery pipe 32 communicates with the confluence chambers 3121 of the plurality of thermal management components 31 to achieve parallel connection between the plurality of thermal management components 31. Illustratively, in fig. 3, the thermal management system 30 includes two delivery pipes 32, the two delivery pipes 32 being disposed at both ends of the thermal management component 31 in the first direction X, respectively, such that the confluence chambers 3121 of the confluence parts 312 disposed at both ends of the thermal management component 31 are in communication with the two delivery pipes 32, respectively, thereby achieving the recycling of the heat exchange medium within the thermal management system 30.

The thermal management system 30 is further provided with a conveying pipe 32, and the conveying pipe 32 is communicated with the confluence cavities 3121 of the plurality of thermal management components 31, so that the conveying pipe 32 can simultaneously provide heat exchange medium into the confluence cavities 3121 of the plurality of thermal management components 31, which is beneficial to improving the working efficiency of the thermal management system 30.

According to some embodiments of the present application, referring to fig. 9 and 10, the thermal management system 30 may further include a flexible connection member 33, where the flexible connection member 33 is disposed in one-to-one correspondence with the confluence portion 312, and the flexible connection member 33 connects the confluence portion 312 and the delivery pipe 32 such that the confluence chamber 3121 communicates with the delivery pipe 32, and the flexible connection member 33 is configured to allow the delivery pipe 32 to move relative to the confluence portion 312.

Wherein, the flexible connection pieces 33 are arranged in one-to-one correspondence with the converging portions 312, the flexible connection pieces 33 connect the converging portions 312 with the conveying pipes 32, that is, the converging portions 312 of each thermal management component 31 are correspondingly provided with one flexible connection piece 33, and the flexible connection pieces 33 play a role in connecting the converging portions 312 with the conveying pipes 32, so that the conveying pipes 32 can move relative to the converging portions 312 while the converging cavities 3121 are communicated with the conveying pipes 32. Of course, in other embodiments, the thermal management system 30 may not be provided with the flexible connection member 33, and the delivery tube 32 need only be directly connected to the junction 312.

The conveying pipe 32 is connected with the converging portion 312 of the thermal management component 31 through the flexible connecting piece 33 so as to realize that the converging cavity 3121 is communicated with the conveying pipe 32, and the thermal management system 30 adopting the structure can realize that the conveying pipe 32 moves relative to the converging portion 312 through the flexible connecting piece 33, so that the conveying pipe 32 and the converging portion 312 are assembled conveniently, the assembly tolerance between the conveying pipe 32 and the converging portion 312 can be absorbed through the flexible connecting piece 33, the assembly precision between the conveying pipe 32 and the converging portion 312 is improved, and the assembly difficulty between the conveying pipe 32 and the converging portion 312 is reduced.

In some embodiments, the flexible connection 33 comprises a floating joint or hose. The specific structure of the floating joint can be found in the related art, and will not be described herein.

Illustratively, in fig. 9 and 10, the flexible connection member 33 is a hose, that is, the delivery pipe 32 is connected to the converging portion 312 through the hose, so that the delivery pipe 32 and the converging portion 312 are movable with each other.

The floating joint or hose is adopted as the flexible connecting member 33 to connect the confluence part 312 and the delivery pipe 32 so that the confluence cavity 3121 is communicated with the delivery pipe 32, thereby enabling the delivery pipe 32 to move relative to the confluence part 312, and the structure is simple and convenient to realize.

According to some embodiments of the present application, as shown in fig. 9 and 10, the thermal management component 31 further includes connection pipes 313, the connection pipes 313 are disposed in one-to-one correspondence with the confluence parts 312, the connection pipes 313 are connected to the confluence parts 312, the connection pipes 313 are communicated with the confluence cavities 3121, and the flexible connection members 33 are communicated with the connection pipes 313 and the conveying pipes 32.

The connecting pipe 313 communicated with the converging cavity 3121 is connected to the converging portion 312, and the connecting pipe 313 can realize the communicating of the conveying pipe 32 and the converging cavity 3121 of the converging portion 312 after being connected with the conveying pipe 32 through the flexible connecting piece 33, and the converging portion 312 adopting the structure is beneficial to reducing the connecting difficulty between the flexible connecting piece 33 and the converging portion 312 so as to reduce the assembling difficulty between the flexible connecting piece 33 and the converging portion 312.

According to some embodiments of the present application, referring to fig. 2, 3 and 9, the plurality of thermal management components 31 are arranged along the second direction Y, and the conveying pipe 32 is disposed at one side of the plurality of thermal management components 31 in the third direction Z, where the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

Illustratively, the transfer tube 32 is located above the plurality of thermal management components 31 in the third direction Z, i.e., the transfer tube 32 is located on a side of the plurality of thermal management components 31 proximate to the first tank body 11 in the third direction Z.

By arranging the plurality of thermal management components 31 of the thermal management system 30 in a structure arranged along the second direction Y, and the conveying pipe 32 is arranged on one side of the plurality of thermal management components 31 in the third direction Z, the thermal management system 30 adopting the structure is beneficial to saving the occupied space of the thermal management components 31 in the first direction X on one hand, so as to improve the utilization rate of the internal space of the battery 100 with the thermal management system 30, and on the other hand, is beneficial to plugging the conveying pipe 32, thereby being beneficial to reducing the assembly difficulty of the conveying pipe 32 and being beneficial to repairing or replacing the conveying pipe 32 in the later use process so as to reduce the subsequent maintenance cost of the thermal management system 30.

According to some embodiments of the present application, referring to fig. 2 and 3, the embodiments of the present application further provide a battery 100, the battery 100 including a case 10, a plurality of battery cells 20, and a thermal management system 30 of any of the above aspects. A plurality of battery cells 20 are housed within the case 10, a thermal management system 30 is disposed within the case 10, and the thermal management system 30 is configured to manage the temperature of the battery cells 20.

In some embodiments, referring to fig. 2, and further referring to fig. 11 and 12, fig. 11 is an assembly schematic diagram of a thermal management system 30 and a battery cell 20 of a battery 100 according to some embodiments of the present application, and fig. 12 is a partial enlarged view of a position D of the thermal management system 30 and the battery cell 20 shown in fig. 11 after being assembled with each other. The connection section 3113 is bent to one side of the body section 3112 in the second direction Y with respect to the body section 3112, the plurality of battery cells 20 are arranged along the second direction Y, and a thermal management member 31 is disposed between each adjacent two of the battery cells 20, the second direction Y being perpendicular to the first direction X. Wherein the body section 3112 is located at one side of the battery cell 20 in the second direction Y, the body section 3112 is configured for heat exchange with the battery cell 20, and the connection section 3113 and the confluence portion 312 are located at one side of the battery cell 20 in the first direction X.

Illustratively, the connection segment 3113 and the body segment 3112 are perpendicular to each other, i.e., the body segment 3112 extends along the first direction X, the connection segment 3113 extends along the second direction Y, such that the body segment 3112 of the body portion 311 is located at one side of the battery cell 20 in the second direction Y, and such that the connection segment 3113 and the bus portion 312 of the body portion 311 are located at one side of the battery cell 20 in the first direction X, so that the bus portion 312 and the connection segment 3113 of the body portion 311 are connected to each other, and the thickness direction of the connection segment 3113 and the thickness direction of the bus portion 312 are both consistent with the first direction X, so as to save the occupied space of the whole in the first direction X.

By disposing the main body segment 3112 of the body portion 311 of the thermal management member 31 to be located at one side of the battery cell 20 in the second direction Y, heat exchange between the body portion 311 and the battery cell 20 is achieved, so that the thermal management function of the thermal management member 31 to the battery cell 20 can be achieved. In addition, by setting the connection segment 3113 of the body portion 311 to be bent to one side of the body segment 3112 in the second direction Y with respect to the body segment 3112, the bus portion 312 and the connection segment 3113 of the body portion 311 are both located at one side of the battery cell 20 in the first direction X, so that an enough connection space is ensured between the bus portion 312 and the connection segment 3113 of the body portion 311 to ensure connection strength and reliability, and an occupied space of the body portion 311 and the bus portion 312 in the first direction X can be effectively ensured, thereby being beneficial to optimizing an internal space of the battery 100 to improve a space utilization rate of the inside of the battery 100, and further being capable of effectively improving an energy density of the battery 100.

According to some embodiments of the present application, there is also provided an electric device including the battery 100 of any one of the above aspects, and the battery 100 is used to provide electric power to the electric device.

The powered device may be any of the devices or systems described above that employ battery 100.

According to some embodiments of the present application, referring to fig. 4 to 6, there is provided a thermal management component 31, the thermal management component 31 including a body portion 311, two confluence portions 312, and two connection pipes 313. The body portion 311 has a plurality of medium flow channels 3111 formed therein for accommodating heat exchange medium, the body portion 311 includes an integrally formed main body section 3112 and a connection section 3113, the main body section 3112 extends along a first direction X, the connection section 3113 is connected to one end of the main body section 3112 in the first direction X, the connection section 3113 is bent to one side of the main body section 3112 in a second direction Y with respect to the main body section 3112, the connection section 3113 is perpendicular to the main body section 3112, a thickness direction of the main body section 3112 extends along the second direction Y, and a thickness direction of the connection section 3113 extends along the first direction X. The two converging portions 312 are disposed at two ends of the body portion 311 in the first direction X, each converging portion 312 is connected to the main body portion 3112 through a connecting section 3113, and the converging portions 312 extend along the second direction Y, and a converging cavity 3121 is formed inside the converging portion 312, where the converging cavity 3121 is all communicated with the plurality of medium channels 3111. In the second direction Y, a protrusion 3122 and a notch 3123 are formed at an end of the confluence part 312 remote from the connection section 3113, and the protrusion 3122 and the notch 3123 are arranged in the third direction Z. The connection pipes 313 are arranged in one-to-one correspondence with the confluence parts 312, the connection pipes 313 are connected to one side of the protrusions 3122 in the third direction Z and are communicated with the confluence cavity 3121, the connection pipes 313 extend along the third direction Z, at least part of the connection pipes 313 are accommodated in the gaps 3123, and the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A thermal management component, comprising:

the heat exchange device comprises a body part, a heat exchange medium inlet and a heat exchange medium outlet, wherein a medium flow channel for accommodating the heat exchange medium is formed in the body part, the body part comprises a main body section and a connecting section which are integrally formed, the main body section extends along a first direction, and the connecting section is connected with one end of the main body section in the first direction; and

the converging part is connected to one end of the connecting section, which is far away from the main body section, and extends along the extending direction of the connecting section, a converging cavity is formed in the converging part, and the converging cavity is communicated with the medium flow passage;

the connecting section is bent and arranged relative to the main body section.

2. The thermal management component of claim 1, wherein the body portion is a plate-like structure, and the connection section is bent to one side of the body section in a thickness direction of the body section with respect to the body section.

3. The thermal management component of claim 1, wherein the body section and the connection section are perpendicular to each other.

4. The thermal management component of claim 1, wherein the connection segments are connected at both ends of the body segment in the first direction;

the thermal management component comprises two converging parts, and the two converging parts are respectively connected with the two connecting sections.

5. The thermal management component of claim 1, wherein the body portion has a plurality of the media flow passages formed therein, each of the plurality of media flow passages communicating with the manifold chamber.

6. The thermal management component of any of claims 1-5, further comprising:

the connecting pipes are arranged in one-to-one correspondence with the converging parts, are connected to the converging parts and are communicated with the converging cavities.

7. The thermal management component of claim 6, wherein an end of the bus portion remote from the connection section is formed with a protrusion, and the connection pipe is connected to the protrusion.

8. The thermal management component of claim 7, wherein the connection section is bent to a side of the body section in a second direction with respect to the body section, the connection tube is connected to an end of the protrusion in a third direction, and the first direction, the second direction, and the third direction are perpendicular to each other.

9. The thermal management component of claim 8, wherein the connection tube extends in the third direction.

10. The thermal management component of claim 8, wherein an end of the bus portion remote from the connection section is formed with a notch arranged with the protrusion in the third direction, the notch for receiving at least a portion of the connection tube.

11. The thermal management component of claim 7, wherein the connection tube is connected to an end of the protrusion remote from the connection section.

12. The thermal management component of claim 11, wherein the connection section is folded relative to the body section to one side of the body section in a second direction;

the connecting pipe comprises a first pipe section and a second pipe section, the first pipe section is connected with the protrusion and the second pipe section, the first pipe section extends along the second direction, the second pipe section extends along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

13. The thermal management component of claim 6, wherein the connecting pipes do not extend beyond both sides of the confluence portion in a thickness direction of the connecting section.

14. The thermal management component of claim 13, wherein a thickness direction of the connection section coincides with the first direction.

15. A thermal management system comprising a plurality of thermal management components as claimed in any one of claims 1 to 14.

16. The thermal management system of claim 15, further comprising:

and a delivery tube in communication with each of the manifold chambers of the plurality of thermal management components, the delivery tube configured to provide the heat exchange medium into the manifold chamber.

17. The thermal management system of claim 16, further comprising:

the flexible connecting pieces are arranged in one-to-one correspondence with the converging portions, the flexible connecting pieces are connected with the converging portions and the conveying pipes so that the converging cavities are communicated with the conveying pipes, and the flexible connecting pieces are configured to allow the conveying pipes to move relative to the converging portions.

18. The thermal management system of claim 17, wherein the flexible connection comprises a floating joint or hose.

19. The thermal management system of claim 17, wherein the thermal management component further comprises:

The connecting pipes are arranged in one-to-one correspondence with the converging parts, are connected to the converging parts and are communicated with the converging cavities, and the flexible connecting pieces are communicated with the connecting pipes and the conveying pipes.

20. The thermal management system of any of claims 16-19, wherein a plurality of said thermal management components are arranged in a second direction, said delivery tube being disposed on a side of said plurality of said thermal management components in a third direction, said first direction, said second direction and said third direction being perpendicular to each other.

21. A battery, comprising:

a case;

a plurality of battery cells accommodated in the case; and

the thermal management system of any of claims 15-20, disposed within the enclosure, configured to manage a temperature of the battery cells.

22. The battery according to claim 21, wherein the connecting section is bent to a side of the main body section in a second direction with respect to the main body section, a plurality of the battery cells are arranged in the second direction, the thermal management member is provided between each adjacent two of the battery cells, the second direction is perpendicular to the first direction;

Wherein the main body section is located at one side of the battery cell in the second direction, the main body section is configured to be heat-exchanged with the battery cell, and the connection section and the confluence part are both located at one side of the battery cell in the first direction.

23. An electrical device comprising a battery as claimed in claim 21 or 22 for providing electrical energy.