Battery and electric device

Abstract

The utility model relates to the field of batteries, and provides a battery and an electric device. The battery comprises a box body, a battery unit and a heat management component. The battery unit is accommodated in the box body. And the heat management component comprises a heat exchange tube which is bent and is in heat exchange fit with the battery unit. Based on the structure, due to the fact that each heat exchange tube is of an independent tube structure, is independent from one another and does not share the tube wall, the heat exchange tubes are easy to machine, bend and form, low in using limitation in the aspects of installation positions and the like, high in layout flexibility and capable of being conveniently machined, bent and formed according to needs, and the heat exchange tubes are convenient to manufacture, bend and form. And the heat exchange tube can be flexibly arranged in any area needing temperature control as required. Therefore, the heat management component can flexibly adjust the arrangement of the heat exchange tubes as required according to the heat exchange requirements of each area of the battery so as to meet the heat exchange requirements of more areas of the battery, so that the heat exchange effect and heat exchange efficiency of the heat management component on components such as a battery unit can be improved.

Description

Technical Field

[0001] The present application belongs to the field of battery technology, and in particular relates to a battery and an electrical device. Background Art

[0002] In some cases, the battery includes a box, and battery cells and thermal management components contained in the box. The thermal management component is a plate-like structure and is laid on the inner wall of the box for supporting the battery cells, so that the thermal management component abuts against the corresponding side of the battery cells to adjust the temperature of the battery cells. However, the heat exchange effect of the thermal management component is not good and needs to be improved. Utility Model Content

[0003] The embodiments of the present application provide a battery and an electrical device, aiming to solve the problem of poor heat exchange effect of thermal management components.

[0004] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is:

[0005] In a first aspect, a battery is provided, the battery comprising:

[0006] Box;

[0007] A battery unit is contained in the box;

[0008] The thermal management component includes a heat exchange tube, which is bent and cooperates with the battery unit for heat exchange.

[0009] In the battery provided in the embodiment of the present application, the thermal management component can achieve the management and adjustment of the temperature of battery cells and other components by means of a bent heat exchange tube, which is thermally connected to the battery cell and cooperates with the heat exchange. Among them, since each heat exchange tube is an independent tube structure, independent of each other, and does not share the same tube wall with each other, the heat exchange tube is easy to process, bend, and form, and has low restrictions on the use of installation positions and other aspects, and has high layout flexibility. Based on this, it is convenient to process, bend, and form the heat exchange tubes as needed, and it is convenient to arrange the heat exchange tubes as needed and flexibly in any area where temperature control is required. As a result, the thermal management component can flexibly adjust the arrangement of the heat exchange tubes as needed according to the heat exchange requirements of each area of ​​the battery to meet the heat exchange requirements of more areas of the battery, thereby optimizing and improving the heat exchange effect and heat exchange efficiency of the thermal management component for battery cells and other components. Moreover, based on the design of the tube structure, the inner wall pressure of each heat exchange tube can also be reduced, thereby optimizing the pressure resistance and compression performance of the heat exchange tube, enabling the heat exchange tube to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube, optimizing the performance of the heat exchange tube and thermal management components, and extending the service life of the heat exchange tube and thermal management components.

[0010] In some embodiments, the thermal management component is disposed within the housing.

[0011] By adopting the above solution, the thermal management component can be arranged in the box body, so that the heat exchange tube is arranged in the box body, which facilitates the direct thermal connection and heat exchange between the heat exchange tube and the box body, especially the battery unit and other components in the box body. Based on this, during the use of the battery, the thermal management component can directly dissipate heat and keep warm the box body, especially the battery unit and other components in the box body through the heat exchange tube, thereby shortening the heat exchange path between the thermal management component and the box body, especially the battery unit and other components in the box body, and enhancing the heat exchange effect of the thermal management component on the box body, especially the battery unit and other components in the box body.

[0012] In some embodiments, the thermal management component is disposed outside the housing.

[0013] By adopting the above scheme, the thermal management component can be arranged outside the box, so that the heat exchange tube is arranged outside the box, and it is convenient for the heat exchange tube to directly conduct heat conduction and heat exchange with the box, so that it is convenient to directly dissipate heat and keep the box warm through the heat exchange tube, and the heat exchange effect of the thermal management component on the box can be improved. On this basis, the box can also be used as a heat conduction component, so that the heat exchange tube can be conveniently transmitted through the box to indirectly dissipate heat and keep warm for components such as battery cells in the box, so that the heat exchange area between the "heat exchange tube arranged outside the box" and the "battery cells and other components arranged in the box" can be correspondingly increased, and the heat exchange effect of the thermal management component on the box, battery cells, etc. can be improved.

[0014] In some embodiments, the box includes a substrate and a frame, the substrate is used to support the battery unit, and the frame is erected on the substrate and arranged around the edge of the substrate;

[0015] At least one heat exchange tube is disposed on the substrate, and / or at least one heat exchange tube is disposed on the frame.

[0016] By adopting the above scheme, by setting at least one heat exchange tube on the substrate, it is convenient to directly connect the heat exchange tube set on the substrate with the substrate through heat conduction, thereby shortening the heat exchange path between this part of the heat exchange tube and the substrate, increasing the heat exchange area between this part of the heat exchange tube and the substrate, and improving the heat exchange effect of this part of the heat exchange tube on the substrate. On this basis, since the substrate is used to support battery cells, power distribution devices and other components, the heat exchange tube set on the substrate can also exchange heat with the battery cells, power distribution devices, etc. placed on the substrate, thereby expanding the heat exchange range and heat exchange area of ​​this part of the heat exchange tube, and comprehensively improving the heat exchange effect of this part of the heat exchange tube on the substrate and the battery cells on the substrate. In this way, the thermal management component can be enabled to meet the heat exchange requirements of more battery areas.

[0017] By adopting the above scheme, by setting at least one heat exchange tube in the frame, it is convenient to directly connect the heat exchange tube set in the frame with the frame through heat conduction, thereby shortening the heat exchange path between this part of the heat exchange tube and the frame, increasing the heat exchange area between this part of the heat exchange tube and the frame, and improving the heat exchange effect of this part of the heat exchange tube on the frame. On this basis, the heat exchange tube set in the frame can also exchange heat with the area close to the frame of the components in the frame, thereby expanding the heat exchange range and heat exchange area of ​​this part of the heat exchange tube, and improving the heat exchange effect of this part of the heat exchange tube on the area close to the frame of the components in the frame. In this way, the thermal management component can be enabled to meet the heat exchange requirements of specific areas of the battery.

[0018] In some embodiments, the heat exchange tube disposed on the substrate is a first heat exchange tube, the first heat exchange tube includes a first heat exchange portion, and the first heat exchange portion is bent to form an open ring area.

[0019] By adopting the above scheme, the first heat exchange tube arranged on the substrate can be bent to form the first heat exchange portion in the open ring area, effectively increasing its own extension length and effectively extending its own extension path, thereby expanding the heat exchange range and heat exchange area of ​​the first heat exchange tube, and improving the heat exchange effect of the first heat exchange tube. In addition, the first heat exchange tube can enhance the vortex of the heat exchange medium in the first heat exchange tube based on the number of bends of the first heat exchange portion, thereby improving the heat exchange effect of the first heat exchange tube. In addition, the open ring area can also be used to arrange other parts of the first heat exchange tube or other first heat exchange tubes as needed, thereby improving the space utilization and optimizing the overall heat exchange effect of the thermal management component.

[0020] In some embodiments, the first heat exchange portion includes a first heat exchange section, a second heat exchange section, and a third heat exchange section that are bent and connected in sequence, and the first heat exchange section and the third heat exchange section are spaced apart along the first direction.

[0021] By adopting the above scheme, the first heat exchange part can be enclosed by the first heat exchange section and the third heat exchange section arranged at intervals along the first direction, and the second heat exchange section bent and connected between the first heat exchange section and the third heat exchange section, to form an open ring area. Based on this, on the one hand, the structural design of the first heat exchange part can be optimized, the heat exchange medium can be smoothly flowed from one end of the first heat exchange part to the other end of the first heat exchange part, the extension length of the first heat exchange part can be increased, and the extension path of the first heat exchange part can be extended, so that the heat exchange range and heat exchange area of ​​the first heat exchange part can be expanded, and the heat exchange effect of the first heat exchange part and the first heat exchange tube can be improved. On the other hand, the structural layout of the first heat exchange part can be simplified and compacted, and the space occupancy of the first heat exchange part can be optimized, which can be conducive to optimizing the space utilization rate and volume energy density of the battery.

[0022] In some embodiments, the first heat exchange section also includes a fourth heat exchange section, which is spaced apart from the second heat exchange section along the second direction and is bent and connected to an end of the first heat exchange section away from the second heat exchange section. The end of the third heat exchange section away from the second heat exchange section is spaced apart from the fourth heat exchange section along the second direction, and the second direction is set at an angle to the first direction.

[0023] By adopting the above scheme, the first heat exchange part can be enclosed by the first heat exchange section, the second heat exchange section, the third heat exchange section and the fourth heat exchange section to form an open ring area, and the opening of the open ring area is formed by the gap between the end of the third heat exchange section away from the second heat exchange section and the fourth heat exchange section. Based on this, on the one hand, the structure of the first heat exchange part can be optimized, the extension length of the first heat exchange part can be increased, and the extension path of the first heat exchange part can be extended, so that the heat exchange range and heat exchange area of ​​the first heat exchange part can be expanded, and the heat exchange effect of the first heat exchange part and the first heat exchange tube can be improved. On the one hand, it is convenient to arrange other parts of the first heat exchange tube or other first heat exchange tubes in the open ring area through the opening, so that it is convenient to optimize the layout of each heat exchange tube, improve the space utilization rate, and optimize the overall heat exchange effect of the thermal management component. On the one hand, it can facilitate the smooth flow of the heat exchange medium through the first heat exchange section, the second heat exchange section, the third heat exchange section and the fourth heat exchange section respectively, and enhance the vortex of the heat exchange medium in the first heat exchange part through the bending corners between the fourth heat exchange section and the first heat exchange section, between the first heat exchange section and the second heat exchange section, and between the second heat exchange section and the third heat exchange section, thereby improving the heat exchange effect of the first heat exchange tube.

[0024] In some embodiments, the first heat exchange tube is provided with two first heat exchange parts, the two first heat exchange parts are symmetrically arranged, and the two first heat exchange parts are connected through a fifth heat exchange section.

[0025] By adopting the above scheme, the first heat exchange tube can be based on two symmetrically arranged first heat exchange parts and a fifth heat exchange section connected between the two first heat exchange parts, so that the heat exchange medium can flow from one of the first heat exchange parts to the other first heat exchange part through the fifth heat exchange section. Based on this, on the one hand, it is convenient for the first heat exchange tube to symmetrically arrange the two first heat exchange parts on the opposite sides of the substrate, so that the heat exchange medium flowing through the two first heat exchange parts can be used to uniformly exchange heat between the battery units arranged on the opposite sides of the substrate, thereby optimizing the layout of the bending path of the first heat exchange tube, uniformizing the heat exchange effect of the first heat exchange tube on the battery unit corresponding to its first heat exchange part, promoting the uniformity of temperature distribution in the battery, and enabling the thermal management component to meet the heat exchange requirements of the battery. On the one hand, the extension length of the first heat exchange tube can be increased, the extension path of the first heat exchange tube can be extended, and the space occupation of the first heat exchange tube can be optimized, thereby expanding the heat exchange range and heat exchange area of ​​the first heat exchange tube, improving the space utilization rate, and improving the heat exchange effect of the first heat exchange tube.

[0026] In some embodiments, the first heat exchange tube further includes a first inlet and outlet section and a second inlet and outlet section, the first inlet and outlet section is connected to the end of one of the first heat exchange parts away from the fifth heat exchange section, and the second inlet and outlet section is connected to the end of another first heat exchange part away from the fifth heat exchange section.

[0027] By adopting the above scheme, the first heat exchange tube can be connected to the first inlet and outlet section of one of the first heat exchange parts, and the second inlet and outlet section of another first heat exchange part, to facilitate the external piping, so that the heat exchange medium can flow smoothly along the first inlet and outlet section, one of the first heat exchange parts, the fifth heat exchange section, another first heat exchange part, and the second inlet and outlet section, thereby promoting the entry and exit and circulation of the heat exchange medium, and improving the performance and heat exchange efficiency of the first heat exchange tube.

[0028] In some embodiments, a plurality of first heat exchange tubes are provided, and the plurality of first heat exchange tubes are sequentially arranged from the inside to the outside.

[0029] By adopting the above scheme, when there are multiple first heat exchange tubes, and each first heat exchange tube includes two first heat exchange parts and a fifth heat exchange section, the multiple first heat exchange tubes can be arranged in a regular and compact manner on the substrate by sequentially sleeve-fitting the multiple first heat exchange tubes from the inside to the outside. Based on this, the layout of the multiple first heat exchange tubes on the substrate can be regularized, compacted, and optimized, which can improve the space utilization rate and enable the multiple first heat exchange tubes to meet the heat exchange requirements of the battery.

[0030] Furthermore, each first heat exchange tube can provide balanced and uniform heat exchange to the battery unit corresponding to its first heat exchange part through two first heat exchange parts, that is, each first heat exchange tube can provide balanced and uniform heat exchange effect in its extension path. The multiple first heat exchange tubes that are sequentially arranged from the inside to the outside can adjust the distance between two adjacent first heat exchange tubes as needed according to the heat exchange requirements of different areas of the battery, and even adjust the flow rate and heat of the heat exchange medium flowing in each as needed to meet the heat exchange requirements of different areas. In this way, multiple first heat exchange tubes can meet the heat exchange requirements of different areas of the battery, promote the uniformity of temperature distribution in the battery, and improve the comprehensive heat exchange effect of multiple first heat exchange tubes.

[0031] In some embodiments, the first heat exchange tube further includes a second heat exchange portion, which is bent and disposed in the open ring area and is bent and connected to the first heat exchange portion.

[0032] By adopting the above scheme, the first heat exchange tube can be bent and arranged in the open ring area on the basis of the range of heat exchange cooperation framed by the first heat exchange part, and the second heat exchange part is bent and connected to the first heat exchange part, so that the heat exchange medium can flow from the first heat exchange part to the second heat exchange part, or from the second heat exchange part to the first heat exchange part. Based on this, on the one hand, the first heat exchange tube can be concentrated in an area of ​​the substrate to perform reliable heat exchange on the battery unit corresponding to the area, thereby optimizing the space occupation and bending path layout of the first heat exchange tube, and can focus on optimizing the heat exchange effect of the first heat exchange tube on the battery unit corresponding to it, so that the first heat exchange tube can meet the heat exchange requirements of the framed area. On the one hand, the extension length of the first heat exchange tube can be increased, and the extension path of the first heat exchange tube can be extended, so that the heat exchange area of ​​the first heat exchange tube can be expanded, the space utilization rate can be improved, and the heat exchange effect of the first heat exchange tube can be improved.

[0033] Moreover, in the process of the heat exchange medium flowing in the first heat exchange tube, the heat of the heat exchange medium may gradually change due to heat exchange, resulting in a gradual decrease in heat exchange efficiency. Based on this, according to the heat exchange requirements of the battery unit corresponding to the first heat exchange unit and the heat exchange requirements of the battery unit corresponding to the second heat exchange unit, the heat exchange medium can be adjusted to flow through the second heat exchange unit first and then through the first heat exchange unit, or the heat exchange medium can be adjusted to flow through the first heat exchange unit first and then through the second heat exchange unit. For example, in some embodiments, the battery unit corresponding to the first heat exchange unit is close to the periphery of the box body, and can be naturally dissipated toward the external environment through the box body, so that the heat exchange requirement of the battery unit corresponding to the first heat exchange unit is lower than the heat exchange requirement of the battery unit corresponding to the second heat exchange unit. Based on this, the heat exchange medium can be adjusted to flow through the second heat exchange unit first and then through the first heat exchange unit. Therefore, the first heat exchange tube can adjust the flow direction of the heat exchange medium to meet the heat exchange requirements of the battery unit corresponding to the first heat exchange part and the heat exchange requirements of the battery unit corresponding to the second heat exchange part, thereby promoting the uniformity of temperature distribution in the battery and improving the heat exchange effect of the first heat exchange tube.

[0034] In some embodiments, the first heat exchange tube further includes a second heat exchange portion, which is bent and disposed in the open ring area, and the second heat exchange portion is bent and connected to an end of the first heat exchange section away from the second heat exchange section.

[0035] By adopting the above scheme, on the basis of the previous embodiment, combined with the embodiment of "the first heat exchange part includes a first heat exchange section, a second heat exchange section and a third heat exchange section that are bent and connected in sequence, and the first heat exchange section and the third heat exchange section are arranged at intervals along the first direction", the second heat exchange part can be bent and connected to the end of the first heat exchange section away from the second heat exchange section, so that the heat exchange medium can flow between the first heat exchange part and the second heat exchange part through the first heat exchange section. Based on this, the structural design of the first heat exchange tube can be optimized, the design flexibility and processing convenience of the first heat exchange tube can be improved, and the first heat exchange tube can be enabled to meet the heat exchange requirements of different batteries.

[0036] In some embodiments, the first heat exchange tube further includes a second heat exchange portion, the second heat exchange portion is bent and disposed in the open ring area, and the second heat exchange portion is bent and connected to an end of the third heat exchange section away from the second heat exchange section.

[0037] By adopting the above scheme, on the basis of the previous embodiment, combined with the embodiment of "the first heat exchange part includes a first heat exchange section, a second heat exchange section and a third heat exchange section that are bent and connected in sequence, and the first heat exchange section and the third heat exchange section are arranged at intervals along the first direction", the second heat exchange part can be bent and connected to the end of the third heat exchange section away from the second heat exchange section, so that the heat exchange medium can flow between the first heat exchange part and the second heat exchange part through the third heat exchange section. Based on this, the structural design of the first heat exchange tube can be optimized, the design flexibility and processing convenience of the first heat exchange tube can be improved, and the first heat exchange tube can be enabled to meet the heat exchange requirements of different batteries. This embodiment is also suitable for use in combination with the embodiment of "the first heat exchange part also includes a fourth heat exchange section".

[0038] In some embodiments, the second heat exchange portion includes a plurality of sixth heat exchange segments, and the plurality of sixth heat exchange segments are arranged at intervals and are bent and connected in sequence.

[0039] By adopting the above scheme, the second heat exchange part can form a zigzag shape through multiple sixth heat exchange sections that are arranged at intervals and connected by bending in sequence. Based on this, the structural layout of the second heat exchange part in the space enclosed by the first heat exchange part can be compacted, the extension length of the second heat exchange part can be increased, and the extension path of the second heat exchange part can be extended, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange part, improving the heat exchange effect of the second heat exchange part and the first heat exchange tube, and optimizing the space occupancy of the second heat exchange part, which can be beneficial to optimizing the space utilization rate and volume energy density of the battery.

[0040] In some embodiments, a plurality of sixth heat exchange segments are arranged at intervals along the first direction, each sixth heat exchange segment is extended linearly along the second direction, and the first direction and the second direction are arranged at an angle.

[0041] By adopting the above scheme, by setting the sixth heat exchange section to extend in a straight line along the second direction, and making each sixth heat exchange section arranged at intervals along the first direction, the structural design of the second heat exchange part can be regularized and optimized, and the design flexibility and processing convenience of the second heat exchange part can be improved. In addition, based on the sixth heat exchange section extending in a straight line along the second direction, the heat exchange medium can also flow smoothly in the sixth heat exchange section and the second heat exchange part through a straight pipe, thereby improving the heat exchange effect of the second heat exchange part and the first heat exchange tube.

[0042] In some embodiments, the first heat exchange tube also includes a first inlet and outlet section and a second inlet and outlet section, one end of the first heat exchange part is bent and connected to one end of the second heat exchange part, the first inlet and outlet section is connected to the other end of the first heat exchange part, and the second inlet and outlet section is connected to the other end of the second heat exchange part.

[0043] By adopting the above scheme, in the case where "the second heat exchange portion of the first heat exchange tube is bent and arranged in the open ring area", the first heat exchange tube can be connected to the first inlet and outlet section of the first heat exchange portion, and the second inlet and outlet section of the second heat exchange portion, to facilitate the external piping, so that the heat exchange medium can flow along the path of the first inlet and outlet section, the first heat exchange portion, the second heat exchange portion, and the second inlet and outlet section, or flow along the path of the second inlet and outlet section, the second heat exchange portion, the first heat exchange portion, and the first inlet and outlet section, thereby promoting the entry and exit and circulation of the heat exchange medium and improving the performance and heat exchange efficiency of the first heat exchange tube.

[0044] In some embodiments, two first heat exchange tubes are provided, and the two first heat exchange tubes are disposed on opposite sides of the substrate.

[0045] By adopting the above scheme, through the two first heat exchange tubes arranged on the opposite sides of the substrate, the two first heat exchange tubes can carry out targeted and concentrated heat exchange on the battery units arranged on the opposite sides of the substrate, thereby optimizing the comprehensive heat exchange effect of the two first heat exchange tubes and enabling the thermal management component to meet the heat exchange requirements of the battery.

[0046] In some embodiments, the heat exchange tube disposed in the frame is a second heat exchange tube, and one second heat exchange tube is provided, and is bent to pass through at least two sides of the frame along the circumferential direction.

[0047] By adopting the above scheme, a second heat exchange tube arranged on the frame can be bent so that the second heat exchange tube passes through at least two sides of the frame along the circumferential direction and performs heat exchange with multiple sides of the frame along the circumferential direction. Based on this, it is convenient for the second heat exchange tube to directly exchange heat with multiple sides of the frame along the circumferential direction, and it is also convenient for the second heat exchange tube to directly exchange heat with other components such as battery cells on multiple sides of the frame, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube, improving the heat exchange effect of the second heat exchange tube, and enabling the second heat exchange tube to meet the heat exchange requirements of specific areas of the battery.

[0048] In some embodiments, the second heat exchange tube includes a third heat exchange part, a third inlet and outlet section and a fourth inlet and outlet section, the third inlet and outlet section is connected to one end of the third heat exchange part, and the fourth inlet and outlet section is connected to the other end of the third heat exchange part.

[0049] By adopting the above scheme, the second heat exchange tube can facilitate external piping through the third inlet and outlet section connected to one end of the third heat exchange part, and the fourth inlet and outlet section connected to the other end of the third heat exchange part, so that the heat exchange medium can flow along the path of the third inlet and outlet section, the third heat exchange part, and the fourth inlet and outlet section, thereby promoting the entry and exit and circulation of the heat exchange medium, and improving the performance and heat exchange efficiency of the second heat exchange tube.

[0050] In some embodiments, the third heat exchange part includes multiple seventh heat exchange sections that are bent and connected in sequence, and each seventh heat exchange section is arranged on different sides of the frame. The third inlet and outlet section and the fourth inlet and outlet section are jointly arranged on one side of the frame and are arranged on the opposite side of the seventh heat exchange section.

[0051] By adopting the above scheme, the second heat exchange tube can directly exchange heat with different sides of the frame along the circumferential direction one by one through each seventh heat exchange section, and directly exchange heat with the side of the frame where the seventh heat exchange section and the third heat exchange part are not provided through the third inlet and outlet section and the fourth inlet and outlet section. Based on this, it is convenient for the second heat exchange tube to directly exchange heat with multiple sides of the frame along the circumferential direction, and it is also convenient for the second heat exchange tube to directly exchange heat with other components such as battery cells on multiple sides of the frame, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube, improving the heat exchange effect of the second heat exchange tube, and enabling the second heat exchange tube to meet the heat exchange requirements of specific areas of the battery.

[0052] In some embodiments, the third inlet and outlet section and the fourth inlet and outlet section are located on a side of the third heat exchange portion close to the substrate.

[0053] By adopting the above scheme, the third entrance and exit sections and the fourth entrance and exit sections of the second heat exchange tube can be close to the substrate and the first heat exchange tube on the substrate, so that the first heat exchange tube and the second heat exchange tube can be connected together, and the first heat exchange tube and the second heat exchange tube can be connected together.

[0054] In some embodiments, the thermal management component includes two pipe joints; one end of the heat exchange tube is connected to one of the pipe joints, and the other end of the heat exchange tube is connected to the other pipe joint.

[0055] By adopting the above scheme, the thermal management component can connect one end of the heat exchange tubes that are independently arranged in parallel to one of the pipe joints, and connect the other end of the heat exchange tubes in parallel to another pipe joint, so that all heat exchange tubes share a pipe joint for inputting heat exchange medium, and share a pipe joint for outputting heat exchange medium. Based on this, the thermal management component can be connected to the external structure via two pipe joints, so that the heat exchange medium can first be diverted from the pipe joint for inputting heat exchange medium to the heat exchange tube, and then flow along the inside of the heat exchange tube without interfering with each other and perform heat exchange, and finally flow out from the pipe joint for outputting heat exchange medium. In this way, the structure of the thermal management component can be simplified, the structural reliability of the thermal management component can be improved, the convenience of connecting the thermal management component with the external structure can be improved, the heat exchange tubes can be facilitated to circulate the heat exchange medium without interfering with each other, and the use performance and heat exchange performance of the thermal management component can be improved.

[0056] In some embodiments, the pipe joint is provided with pipe interfaces that are arranged in the same number as the heat exchange tubes, and the corresponding ends of the heat exchange tubes are connected to the pipe interfaces one-to-one.

[0057] By adopting the above solution, the pipe joint can be provided with pipe interfaces that are equal to the number of heat exchange tubes, so as to connect the corresponding ends of the heat exchange tubes one-to-one through the pipe interfaces. Based on this, the connection convenience and connection reliability between the heat exchange tubes and the pipe joint can be improved, and the structural reliability of the thermal management component can be improved.

[0058] In some embodiments, the pipe joint is provided with a pipe interface, and the corresponding ends of the heat exchange tubes are centrally connected to the pipe interface.

[0059] By adopting the above solution, the pipe joint can be provided with a pipe interface so that the corresponding ends of all heat exchange pipes can be connected thereto at the same time through the pipe interface. Based on this, the connection convenience and connection reliability between the heat exchange pipe and the pipe joint can be improved, and the structural reliability of the thermal management component can be improved.

[0060] In some embodiments, the housing is provided with at least one groove for at least partially embedding the heat exchange tube therein.

[0061] By adopting the above solution, by providing a groove in the box body, it is convenient for a part or all of the corresponding heat exchange tube to be embedded in the corresponding groove. Based on this, the part of the heat exchange tube embedded in the corresponding groove can share space with the box body, thereby compressing the occupied space of at least one heat exchange tube, which is conducive to compressing the total occupied space of the thermal management component, and can improve the space utilization and energy density of the battery to a certain extent.

[0062] In some embodiments, the battery includes a heat-conducting medium, and at least a portion of at least one heat exchange tube is embedded in the heat-conducting medium.

[0063] By adopting the above scheme, at least a portion of at least one heat exchange tube can be embedded in a heat-conducting medium, so as to enhance the thermal conductivity and tightness of the heat exchange tube and the components heat-conductingly connected thereto via the heat-conducting medium, and increase the heat exchange area between the heat exchange tube and the components heat-conductingly connected thereto via the heat-conducting medium, thereby enhancing the heat exchange effect of the heat exchange tube on the components heat-conductingly connected thereto.

[0064] In some embodiments, the heat exchange tube is structured with a heat exchange channel, and a dividing rib is provided in the heat exchange channel. The dividing rib is extended along the extension direction of the heat exchange channel.

[0065] By adopting the above scheme, a separation rib can be set in the heat exchange channel to divide the heat exchange channel into at least two heat exchange branch channels through the separation rib, so that the heat exchange medium can be branched from one end of the heat exchange channel to each heat exchange branch channel and then flow in the same direction to the other end of the heat exchange channel. Based on this, the heat exchange medium can still flow smoothly from one end of the heat exchange channel to the other end of the heat exchange channel along the heat exchange channel. On this basis, the separation rib can also be used to support the wall of the heat exchange tube inside the heat exchange tube, thereby optimizing the pressure resistance and pressure resistance of the heat exchange tube, enabling the heat exchange tube to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube, and extending the service life of the heat exchange tube.

[0066] In some embodiments, the heat exchange tube includes a round tube segment.

[0067] By adopting the above scheme, the heat exchange tube can include a round tube segment, so that at least the area of ​​the heat exchange tube that is the round tube segment has better pressure resistance and is easy to bend and form, thereby improving the processing convenience and layout flexibility of the heat exchange tube and extending the service life of the heat exchange tube.

[0068] In some embodiments, the circular tube segment includes a bending segment, and a bending radius of the bending segment is greater than or equal to a radius of a cross section of the bending segment.

[0069] The risk of wrinkling on the concave side of the bending section and the risk of thinning and breaking on the convex side of the bending section can be reduced by making the bending radius of the bending section greater than or equal to the radius of the cross section of the bending section. This can optimize the bending effect of the bending section and improve its performance and service life.

[0070] In some embodiments, the heat exchange tube includes a flat tube section, and the outer surface of the flat tube section is provided with a planar heat exchange surface.

[0071] By adopting the above solution, at least one heat exchange tube can be provided with a flat tube section, and the outer surface of the flat tube section can be provided with a heat exchange surface, so as to be flatly attached to and heat-conductingly connected with other components via the flat heat exchange surface. Based on this, it is helpful to improve the flatness and contact area between the heat exchange tube and other components, thereby shortening the heat exchange path between the heat exchange tube and other components, increasing the heat exchange area between the heat exchange tube and other components, and enhancing the heat exchange effect of the heat exchange tube.

[0072] In some embodiments, the flat tube segment includes a first wall, a second wall, a third wall and a fourth wall which are connected end to end in sequence along its circumference, the first wall and the third wall are flat plate structures and are arranged parallel to each other; along the circumference of the flat tube segment, the extension length of the third wall is less than or equal to the extension length of the first wall; the wall surface of the first wall facing away from the third wall is the heat exchange surface.

[0073] By adopting the above scheme, the flat tube segment can be formed by the first wall, the second wall, the third wall and the fourth wall connected end to end in sequence along its circumference, and the extension length of the third wall can be made less than or equal to the extension length of the first wall along its circumference, so that the area of ​​the wall surface of the first wall away from the third wall is greater than or equal to the area of ​​the wall surface of the third wall away from the first wall. Based on this, the flat tube segment can use the wall surface of the first wall away from the third wall as a heat exchange surface for flatly fitting and heat-conducting connection with other components, thereby increasing the contact area and heat exchange area between the flat tube segment and the corresponding components. The flat tube segment can also use the wall surface of the third wall away from the first wall as a support surface to support and stabilize the posture of the flat tube segment as a whole, especially the heat exchange surface. This can help improve the heat exchange effect of the flat tube segment.

[0074] By adopting the above solution, the extension length of the third wall along the circumference of the flat tube segment can be reduced to reduce the combined length of the second wall, the third wall and the fourth wall along the circumference of the flat tube segment. As a result, the combined pressure on the tube wall of the flat tube segment can be reduced, and the pressure can be relatively diffused to reduce the risk of pressure concentration at the center of the heat exchange surface, thereby improving the pressure resistance of the flat tube segment and reducing the risk of bulging of the center of the heat exchange surface due to pressure concentration.

[0075] In some embodiments, the flat tube segment includes a fifth wall and a sixth wall connected end to end along its circumference, the fifth wall is a flat plate structure, the sixth wall is an arc structure, and the wall surface of the fifth wall facing away from the sixth wall is a heat exchange surface.

[0076] By adopting the above solution, at least one flat tube segment can be formed by the fifth wall and the sixth wall connected end to end in sequence along the circumferential direction thereof, and the fifth wall can be made into a flat plate structure so that the wall surface of the fifth wall away from the sixth wall is a plane. Based on this, the wall surface of the fifth wall away from the sixth wall can be used as a heat exchange surface for flatly attaching and heat-conductingly connecting with other components, thereby increasing the contact area and heat exchange area between the flat tube segment and the corresponding component, thereby facilitating improving the heat exchange effect of the flat tube segment.

[0077] In addition, since the heat exchange area of ​​the heat exchange surface is large, the heat exchange surface will originally bear a large pressure from the inside to the outside, and the pressure will be relatively concentrated in the center of the heat exchange surface, causing the center of the heat exchange surface to bulge. Based on this, by adopting the above solution, the flat tube segment also makes the sixth wall an arc structure to reduce the extension length of the sixth wall along the circumference of the flat tube segment. In this way, the comprehensive pressure on the tube wall of the flat tube segment can be reduced, and the pressure can be relatively diffused on the fifth wall and the sixth wall, thereby improving the pressure resistance of the flat tube segment and reducing the risk of bulging in the center of the heat exchange surface due to pressure concentration.

[0078] In a second aspect, an electrical device is provided, the electrical device comprising the battery provided in an embodiment of the present application.

[0079] By adopting the above solution, the electrical device can improve the performance and safety of the electrical device by applying the battery provided in the embodiment of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0080] In order to clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0081] Figure 1 A schematic diagram of the structure of a vehicle provided in some embodiments of the present application;

[0082] Figure 2 An exploded schematic diagram of a battery provided in some embodiments of the present application;

[0083] Figure 3 A partial structural schematic diagram of a battery provided in some embodiments of the present application;

[0084] Figure 4 for Figure 3 A partial cross-sectional view along AA is provided;

[0085] Figure 5A schematic diagram of the structure of a box and a thermal management component provided in some embodiments of the present application, wherein the heat exchange tube is arranged in the box;

[0086] Figure 6 Schematic diagram of an exploded view of a battery provided in some other embodiments of the present application, wherein the heat exchange tube is arranged outside the box;

[0087] Figure 7 for Figure 6 A schematic diagram of the structure of the box and thermal management components provided;

[0088] Figure 8 A schematic diagram of the structure of a thermal management component provided in some embodiments of the present application;

[0089] Fig. 9 for Figure 8 A schematic structural diagram of a first heat exchange tube is provided;

[0090] Fig.10 A schematic diagram of the structure of a heat management component provided in some other embodiments of the present application, wherein the second heat exchange portion is bent and arranged in the open ring area, and the second heat exchange portion is bent and connected to an end of the third heat exchange section away from the second heat exchange section;

[0091] Fig.11 A schematic diagram of the structure of a heat management component provided in some other embodiments of the present application, wherein the second heat exchange portion is bent and arranged in the open ring area, and the second heat exchange portion is bent and connected to an end of the first heat exchange section away from the second heat exchange section;

[0092] Fig.12 for Figure 8 A schematic diagram of the structure of the second heat exchange tube is provided;

[0093] Fig.13 A schematic diagram of the structure of a pipe joint provided in some embodiments of the present application, wherein the pipe joint is provided with pipe interfaces arranged in the same amount as the heat exchange tubes;

[0094] Fig.14 A schematic diagram of the structure of a pipe joint provided in some other embodiments of the present application, wherein the pipe joint is provided with a pipe interface;

[0095] Fig.15 A schematic diagram of the structure of a heat exchange tube provided in some embodiments of the present application;

[0096] Fig.16 A schematic diagram of the structure of a heat exchange tube provided in some other embodiments of the present application, wherein the heat exchange tube is provided with a separation rib;

[0097] Fig.17 A partial schematic diagram of a circular tube segment provided in some embodiments of the present application, wherein the circular tube segment includes a bent segment;

[0098] Fig.18 A schematic cross-sectional view of a flat tube segment provided in some embodiments of the present application, wherein the first wall, the second wall, the third wall and the fourth wall are flat plate structures, and along the circumference of the flat tube segment, the extension length of the third wall is shorter than the extension length of the first wall;

[0099] Fig.19 Schematic cross-sectional view of a flat tube segment provided in some other embodiments of the present application, wherein the first wall and the second wall are flat plate structures, the second wall and the fourth wall are arc-shaped structures, and along the circumference of the flat tube segment, the extension length of the third wall is equal to the extension length of the first wall;

[0100] Fig. 20 Schematic cross-sectional views of flat tube segments provided for other embodiments of the present application, wherein the fifth wall is a flat plate structure and the sixth wall is an arc-shaped structure.

[0101] Among them, the reference numerals in the figure are:

[0102] 1-battery, 2-controller, 3-motor; 10-battery unit; 20-housing, 21-first part, 22-second part, 221-substrate, 222-frame, 23-groove; 30-thermal management component, 31-heat exchange tube, 311-first heat exchange tube, 3111-first heat exchange part, 31111-open ring area, 31112-first heat exchange section, 31113-second heat exchange section, 31114-third heat exchange section, 31115-fourth heat exchange section, 3112-fifth heat exchange section, 3113-first inlet and outlet section, 3114-second inlet and outlet section, 3115-second heat exchange part, 31151-sixth heat exchange Section, 312-second heat exchange tube, 3121-third heat exchange part, 31211-seventh heat exchange section, 3122-third inlet and outlet section, 3123-fourth inlet and outlet section, 313-heat exchange flow channel, 3131-heat exchange branch channel, 314-separation rib, 315-round pipe section, 316-flat pipe section, 3161-heat exchange surface, 3162-first wall, 3163-second wall, 3164-third wall, 3165-fourth wall, 3166-fifth wall, 3167-sixth wall, 317-bending section; 32-pipe joint, 321-pipe interface; 40-power distribution device, 50-heat conducting medium, a-first direction, b-second direction. DETAILED DESCRIPTION

[0103] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clear and understandable, the application is described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain this application and are not used to limit this application.

[0104] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0105] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or at least two of the features. In the description of this application, "at least two" means two or more, unless otherwise clearly and specifically defined.

[0106] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0107] In the related art, a battery is a modular structure including one or at least two battery cells to provide a higher voltage and capacity, such as a battery module, a battery module or a battery pack. The battery generally includes a housing and a battery cell contained in the housing. The housing can be dustproof, waterproof and protective for the battery cells contained therein, which can reduce the impact of external liquids or other foreign matter on the charging and discharging of the battery cells, and can effectively extend the service life of the battery. In addition, since the charging and discharging capacity of the battery cells will be low when the temperature of the battery cells is too low, and when the temperature of the battery cells is too high, it is easy to cause thermal runaway, resulting in safety hazards such as bulging and explosion. Therefore, the battery generally also includes a thermal management component contained in the housing. In some cases, the thermal management component includes a first metal plate and a second metal plate arranged opposite to each other, and the first metal plate is stamped with a heat exchange flow channel on the side facing the second metal plate, and the second metal plate covers the heat exchange flow channel of the first metal plate, and the heat exchange flow channel is used to allow the heat exchange medium to flow therein. Based on this, the thermal management component is a plate-like structure as a whole, and the thermal management component can be laid on the inner wall of the box body used to support the battery cell and abut the corresponding side of the battery cell. Therefore, the battery cell can be heated or cooled by the thermal management component to adjust the temperature of the battery cell and make the battery cell within a suitable temperature range, so that the battery cell has better charging and discharging capacity and higher safety, and the risk of thermal runaway of the battery cell can be reduced.

[0108] However, the thermal management component has high usage restrictions in terms of installation location, etc., resulting in the thermal management component being able to only meet the heat exchange requirements of a small area in the battery. Therefore, the heat exchange effect of the existing thermal management component is poor and needs to be improved.

[0109] Therefore, some embodiments of the present application provide a battery, in which the thermal management component can manage and adjust the temperature of battery cells and other components by means of a bent heat exchange tube, which is thermally connected to the battery cell and cooperates with the heat exchange. Among them, since each heat exchange tube is an independent tube structure, independent of each other, and does not share the same tube wall, the heat exchange tube is easy to process, bend, and form, and has low restrictions on the use of installation positions and other aspects, and has high layout flexibility. Based on this, it is convenient to process, bend, and form the heat exchange tubes as needed, and it is convenient to arrange the heat exchange tubes as needed and flexibly in any area where temperature control is required. Therefore, the thermal management component can flexibly adjust the arrangement of the heat exchange tubes as needed according to the heat exchange requirements of each area of ​​the battery to meet the heat exchange requirements of more areas of the battery, thereby optimizing and improving the heat exchange effect and heat exchange efficiency of the thermal management component on battery cells and other components. Moreover, based on the design of the tube structure, the inner wall pressure of each heat exchange tube can also be reduced, thereby optimizing the pressure resistance and compression performance of the heat exchange tube, enabling the heat exchange tube to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube, optimizing the performance of the heat exchange tube and thermal management components, and extending the service life of the heat exchange tube and thermal management components.

[0110] The battery disclosed in the embodiment of the present application can be used in an electrical device that uses the battery as a power source, or in various energy storage systems that use the battery as an energy storage element. The electrical device may be, but is not limited to, a vehicle, a mobile phone, a portable device, a laptop computer, a ship, a spacecraft, an electric toy, and an electric tool, etc. The vehicle may be a fuel vehicle, a gas vehicle, or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle, or an extended-range vehicle, etc. Spacecraft include airplanes, rockets, space shuttles, and spacecraft, etc. Electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools, and railway electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, and electric planers, etc.

[0111] In order to illustrate the technical solution provided by the present application, the following is a detailed description with reference to specific drawings and embodiments, and taking "the electrical device being a vehicle" as an example.

[0112] See also Figure 1 , Figure 1 A schematic diagram of the structure of a vehicle provided for some embodiments of the present application. The vehicle may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 1 is provided inside the vehicle, and the battery 1 may be provided at the bottom, head or tail of the vehicle. The battery 1 is used to power the vehicle, for example, the battery 1 can be used as an operating power source for the vehicle. The vehicle may also include a controller 2 and a motor 3, and the controller 2 is used to control the battery 1 to power the motor 3, for example, for starting, navigating and driving the vehicle. Working power requirements.

[0113] In some embodiments of the present application, the battery 1 can be used not only as an operating power source for the vehicle, but also as a driving power source for the vehicle, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle.

[0114] See also Figure 2 , Figure 2 The exploded schematic diagram of the battery 1 provided in some embodiments of the present application. The battery 1 comprises a battery cell 10 and a box body 20 , wherein the battery cell 10 is accommodated in the box body 20 .

[0115] The box body 20 is used to provide a storage space for components such as the battery cell 10. The box body 20 can provide dustproof, waterproof and protective protection for the battery cell 10 and other components contained therein, and can reduce the impact of external liquids or other foreign matter on the effectiveness and performance of the battery cell 10 and other components, and can effectively extend the service life of the battery 1.

[0116] Among them, the box body 20 can adopt a variety of structures. In some embodiments, the box body 20 may include a first part 21 and a second part 22, the first part 21 and the second part 22 cover each other, and the first part 21 and the second part 22 jointly define a storage space for accommodating the battery unit 10. The second part 22 may be a hollow structure with one end open, and the first part 21 may be a plate-like structure, and the first part 21 covers the open side of the second part 22, so that the first part 21 and the second part 22 jointly define a storage space; the first part 21 and the second part 22 may also be hollow structures with one side open, and the open side of the first part 21 covers the open side of the second part 22.

[0117] The box body 20 may be in various shapes, such as a cylinder, a cuboid, etc.

[0118] The box body 20 can be made of a variety of materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc.

[0119] The battery cell 10 is an energy storage unit that can convert chemical energy into electrical energy. In the battery 1, one battery cell 10 can be provided, or at least two battery cells 10 can be provided. In the case where at least two battery cells 10 are provided, the at least two battery cells 10 can be connected in series, in parallel, or in mixed connection. Mixed connection means that at least two battery cells 10 are connected in series and in parallel.

[0120] Among them, the battery unit 10 can be a battery monomer. At least two battery monomers can be directly connected in series, in parallel, or mixed together, and then the whole formed by at least two battery monomers is accommodated in the box 20. Among them, the battery monomer can be a lithium-ion secondary battery, a lithium-sulfur battery, a sodium-lithium-ion battery, a sodium-ion battery, or a magnesium-ion battery, etc. The battery monomer can be cylindrical, flat, rectangular, or in other shapes, etc. The battery monomer can be packaged in different ways to form a cylindrical battery monomer, a square battery monomer, or a soft-pack battery monomer, etc.

[0121] Alternatively, the battery unit 10 may be a battery module or a battery module. At least two battery cells may be connected in series, in parallel, or in a mixed connection to form a modular structure, i.e., a battery module or a battery module; at least two battery modules or battery modules may be connected in series, in parallel, or in a mixed connection to form a whole, and accommodated in the box 20.

[0122] Of course, the battery 1 may also include other structures. For example, the battery 1 may also include a busbar component (not shown in the figure) for realizing electrical connection between at least two battery cells 10. For another example, the battery 1 may also include a power distribution device 40 (such as Figure 3 As shown), it is used as a control unit for distributing the energy of battery 1 and distributing high voltage to battery 1.

[0123] Of course, in some embodiments, the battery 1 may not include the box body 20, but at least two battery cells are electrically connected and formed into a whole through necessary fixing structures and then assembled into an electrical device.

[0124] See also Figure 2 , Figure 3 , Figure 4 Some embodiments of the present application provide a battery 1, which includes a box 20, a battery cell 10 and a thermal management component 30. The battery cell 10 is accommodated in the box 20. The thermal management component 30 includes a heat exchange tube 31, which is bent and cooperates with the battery cell 10 for heat exchange.

[0125] It should be noted that the box 20 is used to provide a storage space for components such as the battery cell 10. The box 20 can prevent dust, water and protect the components such as the battery cell 10 contained therein, and can reduce the impact of external liquids or other foreign matter on the utility and performance of the components such as the battery cell 10, and can effectively extend the service life of the battery 1. Among them, the box 20 can adopt a variety of structures, the box 20 can be a variety of shapes, and the box 20 can be made of a variety of materials. In addition, other related descriptions of the box 20 can be referred to the previous text, and will not be repeated here.

[0126] It should also be noted that the battery cell 10 is an energy storage unit that can convert chemical energy into electrical energy. The battery cell 10 is contained in a box body 20. In the box body 20, one battery cell 10 can be provided, or at least two battery cells 10 can be provided. In the case where at least two battery cells 10 are provided, at least two battery cells 10 can be connected in series, in parallel, or in mixed connection. Among them, the battery cell 10 can be a battery monomer, or a battery module or a battery module. In addition, other relevant descriptions of the battery cell 10 can be referred to the previous text, which will not be repeated here.

[0127] It should also be noted that the thermal management component 30 is a structure capable of managing and regulating the temperature of other components of the battery 1. The thermal management component 30 includes at least one heat exchange tube 31. The heat exchange tube 31 is a tube structure that can be used to thermally connect with other components of the battery 1 and perform heat exchange. Among them, in some embodiments, the heat exchange tube 31 may include a thermally conductive material and have thermal conductivity. In this case, the outer surface of the heat exchange tube 31 may abut against other components of the battery 1, or be connected to other components of the battery 1 by thermally conductive glue, thermally conductive pads, etc., to achieve thermal connection to other components of the battery 1. Of course, in other embodiments, the outer surface of the heat exchange tube 31 can also be thermally connected to other components of the battery 1 in other ways. Among them, other components of the battery 1 refer to other components of the battery 1 other than the thermal management component 30, which can mainly be the battery unit 10, and of course, other components such as the box 20 and the power distribution device 40.

[0128] Based on this, the thermal management component 30 can provide heat to the components thermally connected to the heat exchange tube 31 through the heat exchange tube 31 to achieve a heat preservation effect, thereby reducing the risk of failure of the components thermally connected to the heat exchange tube 31 due to low temperature. Conversely, the thermal management component 30 can cool the components thermally connected to the heat exchange tube 31 through the heat exchange tube 31 to achieve a heat dissipation effect, thereby reducing the risk of thermal failure and thermal runaway of the components thermally connected to the heat exchange tube 31 due to high temperature. Therefore, the thermal management component 30 can adjust the temperature of the components thermally connected to the heat exchange tube 31 through the heat exchange tube 31 to enable the components to be within a suitable temperature range and operate reliably.

[0129] Moreover, since each heat exchange tube 31 is an independent tube structure, they are independent of each other and do not share the tube wall with each other. Therefore, each heat exchange tube 31 is easy to process, easy to form, and easy to bend, and can be processed, formed, and bent as needed, so that the use restrictions of the heat exchange tube 31 in terms of installation position are relatively low, the layout flexibility is relatively high, and it can be adaptively arranged in different spaces, and can be flexibly arranged as needed in any area where temperature control is required. For example, the heat exchange tube 31 can be arranged inside the box 20 or outside the box 20. For another example, the heat exchange tube 31 can be arranged between the battery unit 10 and the box 20, or between two adjacent battery units 10, or between the box 20 and the power distribution device 40, and so on. As a result, the thermal management component 30 can densely arrange the heat exchange tube 31 in the area with higher heat exchange demand to increase the heat exchange area and enhance the heat exchange effect and heat exchange efficiency. The thermal management component 30 can also sparsely arrange the heat exchange tube 31 in the area with lower heat exchange demand to appropriately optimize the heat exchange effect and heat exchange efficiency. In this way, the thermal management component 30 can freely and flexibly optimize the arrangement of the heat exchange tubes 31 to meet the heat exchange requirements of more areas of the battery 1, thereby improving the overall heat exchange effect and heat exchange efficiency of the thermal management component 30.

[0130] Moreover, based on the design of the tube structure, the inner wall pressure of each heat exchange tube 31 can also be made smaller, thereby optimizing the pressure resistance and compression resistance of the heat exchange tube 31, enabling the heat exchange tube 31 to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube 31, and extending the service life of the heat exchange tube 31.

[0131] In summary, in the battery 1 provided in the embodiment of the present application, the thermal management component 30 can be connected to the battery cell 10 through the heat exchange tube 31 that is bent and arranged, and the heat exchange is coordinated to achieve the management and adjustment of the temperature of the battery cell 10 and other components. Among them, since each heat exchange tube 31 is an independent tube structure, independent of each other, and does not share the tube wall with each other, the heat exchange tube 31 is easy to process, bend, and form, and has low restrictions on the use of installation positions and other aspects, and has high layout flexibility. Based on this, it is convenient to process, bend and form the heat exchange tube 31 as needed, and it is convenient to arrange the heat exchange tube 31 as needed and flexibly in any area where temperature control is required. Therefore, the thermal management component 30 can adjust the arrangement of the heat exchange tube 31 as needed and flexibly according to the heat exchange requirements of each area of ​​the battery 1 to meet the heat exchange requirements of more areas of the battery 1, thereby optimizing and improving the heat exchange effect and heat exchange efficiency of the thermal management component 30 on the battery cell 10 and other components. Moreover, based on the design of the tube structure, the inner wall pressure of each heat exchange tube 31 can be made smaller, thereby optimizing the pressure resistance and compression resistance of the heat exchange tube 31, enabling the heat exchange tube 31 to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube 31, optimizing the performance of the heat exchange tube 31 and the thermal management component 30, and extending the service life of the heat exchange tube 31 and the thermal management component 30.

[0132] See also Figure 4 In some embodiments of the present application, in some embodiments, the heat exchange tube 31 is configured with a heat exchange channel 313 .

[0133] It should be noted that the inner space of the heat exchange tube 31 can be configured as a heat exchange channel 313. The heat exchange channel 313 is arranged to be continuous along the extension direction of the heat exchange channel 313. The heat exchange channel 313 is used for the heat exchange medium to flow from one end thereof to the other end thereof. The heat exchange medium can be a liquid or gas whose heat can be controlled, for example, water, a mixture of water and ethylene glycol, air, etc. The flow of the heat exchange medium in the heat exchange channel 313 can be powered by, but not limited to, a compressor.

[0134] By adopting the above solution, the heat exchange pipe 31 can be used to construct the heat exchange channel 313 so that the heat exchange medium can flow from one end of the heat exchange channel 313 to the other end. Based on this, the thermal management component 30 can control the heat and flow rate of the heat exchange medium flowing in the heat exchange channel 313 and achieve heat exchange with the battery unit 10, the box 20, etc. through the thermal conductivity of the heat exchange pipe 31, so that the thermal management component 30 can form a better temperature regulation effect on the battery unit 10, the box 20, etc., and improve the overall heat exchange effect and heat exchange efficiency of the thermal management component 30.

[0135] See also Figure 2 , Figure 3 , Figure 5In some embodiments of the present application, the thermal management component 30 is disposed in the box body 20 .

[0136] It should be noted that the thermal management component 30 is disposed in the box 20. That is, the heat exchange tubes 31 of the thermal management component 30 are all disposed in the box 20. On this basis, the heat exchange tubes 31 disposed in the box 20 can be arranged between the battery unit 10 and the box 20, between two adjacent battery units 10, between the box 20 and the power distribution device 40, and of course, can also be arranged in other positions.

[0137] By adopting the above solution, the thermal management component 30 can be arranged in the box 20, so that the heat exchange tube 31 is arranged in the box 20, which facilitates the direct thermal connection and heat exchange between the heat exchange tube 31 and the box 20, especially the battery unit 10 and other components in the box 20. Based on this, during the use of the battery 1, the thermal management component 30 can directly dissipate heat and keep warm the box 20, especially the battery unit 10 and other components in the box 20, through the heat exchange tube 31, thereby shortening the heat exchange path between the thermal management component 30 and the box 20, especially the battery unit 10 and other components in the box 20, and enhancing the heat exchange effect of the thermal management component 30 on the box 20, especially the battery unit 10 and other components in the box 20.

[0138] See also Figure 6 , Figure 7 In some embodiments of the present application, the thermal management component 30 is disposed outside the box body 20 .

[0139] It should be noted that the thermal management component 30 is arranged outside the box 20. That is, the heat exchange tubes 31 of the thermal management component 30 are all arranged outside the box 20. Based on this, the heat exchange tubes 31 arranged outside the box 20 can be directly connected to and exchange heat with the box 20. On this basis, the box 20 can also serve as a heat conduction component, and the heat is conducted between the "heat exchange tubes 31 arranged outside the box 20" and the "battery unit 10 (such as the battery unit 10 arranged inside the box 20)". Figure 2 By heat conduction between the box body 20, the heat exchange area between the "heat exchange tube 31 disposed outside the box body 20" and the "battery unit 10 and other components disposed in the box body 20" can be increased accordingly, thereby optimizing the heat exchange effect therebetween.

[0140] By adopting the above scheme, the thermal management component 30 can be arranged outside the box 20, so that the heat exchange tube 31 is arranged outside the box 20, and the heat exchange tube 31 and the box 20 are directly connected and heat exchanged, so that the box 20 can be directly dissipated and kept warm through the heat exchange tube 31, and the heat exchange effect of the thermal management component 30 on the box 20 can be improved. On this basis, the box 20 can also be used as a heat conduction component, so that the heat exchange tube 31 can be conveniently heat-conducted through the box 20 to indirectly dissipate heat and keep warm for components such as the battery unit 10 in the box 20, so that the heat exchange area between the "heat exchange tube 31 arranged outside the box 20" and the "battery unit 10 and other components arranged in the box 20" can be correspondingly increased, and the heat exchange effect of the thermal management component 30 on the box 20, the battery unit 10, etc. can be improved.

[0141] Of course, in other embodiments, the battery 1 may be provided with at least two thermal management components 30 , at least one thermal management component 30 being provided inside the housing 20 , and at least one thermal management component 30 being provided outside the housing 20 .

[0142] See also Figure 2 , Figure 5 , Figure 7 In some embodiments of the present application, the box body 20 includes a substrate 221 and a frame body 222 . The substrate 221 is used to support the battery unit 10 . The frame body 222 is erected on the substrate 221 and is arranged around the edge of the substrate 221 .

[0143] It should be noted that the substrate 221 is a plate-like structure for supporting the battery cell 10. The frame 222 is a frame-shaped structure formed by connecting at least one frame strip end to end in sequence. The frame 222 is vertically arranged on the substrate 221. In other words, the substrate 221 covers an opening on one side of the frame 222. The frame 222 is arranged around the edge of the substrate 221 and is fixedly connected to the substrate 221. The frame 222 and the substrate 221 can be enclosed together to form a storage space for accommodating the battery cell 10.

[0144] The connection between the frame 222 and the substrate 221 may be, but is not limited to, bolt connection, bonding, clamping, riveting, welding, one-piece molding, etc. One-piece molding refers to molding by one-piece processes such as extrusion, injection molding, and die casting.

[0145] By adopting the above solution, the structural form of the frame 222 and the base plate 221 can be adopted to form at least a part of the box body 20, thereby simplifying the structure of the box body 20 and improving the processing convenience of the box body 20.

[0146] Based on the above-mentioned box 20 structure, please refer to Figure 3 , Figure 5 , Figure 7In some embodiments of the present application, at least one heat exchange tube 31 is disposed on the substrate 221 .

[0147] It should be noted that the present embodiment is applicable to situations such as “the heat management component 30 is disposed inside the housing 20 ” and “the heat management component 30 is disposed outside the housing 20 ”.

[0148] In the thermal management component 30, at least one heat exchange tube 31 can be disposed on the substrate 221, and the heat exchange tube 31 can be processed and bent as required on the plate surface of the substrate 221. Based on this, the heat exchange tube 31 can be directly connected to the substrate 221 for heat exchange.

[0149] On this basis, if the thermal management component 30 is disposed in the box 20, the heat exchange tube 31 can also be directly connected to and exchange heat with the battery unit 10, the power distribution device 40 and other components placed on the substrate 221. If the thermal management component 30 is disposed outside the box 20, the heat exchange tube 31 can also use the substrate 221 as a heat conduction component, and indirectly exchange heat with the battery unit 10, the power distribution device 40 and other components placed on the substrate 221 through heat conduction of the substrate 221.

[0150] By adopting the above scheme, at least one heat exchange tube 31 is arranged on the substrate 221, so that the heat exchange tube 31 arranged on the substrate 221 can be directly connected to the substrate 221 through heat conduction, thereby shortening the heat exchange path between this part of the heat exchange tube 31 and the substrate 221, increasing the heat exchange area between this part of the heat exchange tube 31 and the substrate 221, and improving the heat exchange effect of this part of the heat exchange tube 31 on the substrate 221. On this basis, since the substrate 221 is used to support components such as the battery unit 10 and the power distribution device 40, the heat exchange tube 31 arranged on the substrate 221 can also exchange heat with the battery unit 10 and the power distribution device 40 placed on the substrate 221, thereby expanding the heat exchange range and heat exchange area of ​​this part of the heat exchange tube 31, and comprehensively improving the heat exchange effect of this part of the heat exchange tube 31 on the substrate 221 and the battery unit 10 on the substrate 221. In this way, the thermal management component 30 can meet the heat exchange requirements of more areas of the battery 1.

[0151] Based on the above-mentioned box 20 structure, please refer to Figure 2 , Figure 5 , Figure 7 In some embodiments of the present application, at least one heat exchange tube 31 is disposed in the frame 222 .

[0152] It should be noted that the present embodiment is applicable to situations such as “the heat management component 30 is disposed inside the housing 20 ” and “the heat management component 30 is disposed outside the housing 20 ”.

[0153] In the thermal management component 30 , at least one heat exchange tube 31 may be disposed in the frame 222 , and the heat exchange tube 31 may be arranged on at least one side wall of the frame 222 by adjusting the arrangement path according to heat exchange requirements.

[0154] Based on this, the heat exchange tube 31 arranged in the frame 222 can be directly thermally connected and heat exchanged with the frame 222, thereby shortening the heat exchange path between this part of the heat exchange tube 31 and the frame 222, expanding the heat exchange range and heat exchange area of ​​this part of the heat exchange tube 31, and improving the heat exchange effect of this part of the heat exchange tube 31 on the frame 222.

[0155] On this basis, if the heat exchange tube 31 provided in the frame 222 is arranged in the box 20, this part of the heat exchange tube 31 can also be directly connected to and exchange heat with the battery unit 10 and other areas near it. If the heat exchange tube 31 provided in the frame 222 is arranged outside the box 20, this part of the heat exchange tube 31 can also use the frame 222 as a heat conduction component to indirectly exchange heat with the battery unit 10 and other areas near the frame 222. In this way, the heat exchange effect of the thermal management component 30 on the components in the frame 222 near the frame 222 can be additionally increased.

[0156] By adopting the above scheme, by setting at least one heat exchange tube 31 in the frame 222, it is convenient to directly connect the heat exchange tube 31 set in the frame 222 with the frame 222 through heat conduction, thereby shortening the heat exchange path between this part of the heat exchange tube 31 and the frame 222, increasing the heat exchange area between this part of the heat exchange tube 31 and the frame 222, and improving the heat exchange effect of this part of the heat exchange tube 31 on the frame 222. On this basis, the heat exchange tube 31 set in the frame 222 can also exchange heat with the area close to the frame 222 of the components in the frame 222, thereby expanding the heat exchange range and heat exchange area of ​​this part of the heat exchange tube 31, and improving the heat exchange effect of this part of the heat exchange tube 31 on the area close to the frame 222 of the components in the frame 222. In this way, the thermal management component 30 can be enabled to meet the heat exchange requirements of a specific area of ​​the battery 1.

[0157] Of course, in other embodiments, if the frame 222 and the base plate 221 together form the second portion 22 of the box 20 , and the box 20 further includes a first portion 21 covering the second portion 22 , at least one heat exchange tube 31 may be disposed in the first portion 21 .

[0158] See also Figure 8 , Fig. 9 In some embodiments of the present application, the heat exchange tube 31 disposed on the substrate 221 is a first heat exchange tube 311. The first heat exchange tube 311 includes a first heat exchange portion 3111, and the first heat exchange portion 3111 is bent to form an open ring area 31111.

[0159] It should be noted that the first heat exchange tube 311 is a heat exchange tube 31 disposed on the substrate 221. The first heat exchange portion 3111 is a portion of the first heat exchange tube 311. The first heat exchange portion 3111 is bent and bent into an open ring shape (e.g., U-shaped, C-shaped, etc.) to enclose an open ring area 31111. The open ring area 31111 can be used to arrange other parts of the first heat exchange tube 311, or to arrange other first heat exchange tubes 311.

[0160] By adopting the above scheme, the first heat exchange tube 311 disposed on the substrate 221 can be bent to form the first heat exchange portion 3111 of the open ring area 31111, effectively increasing its own extension length and effectively extending its own extension path, thereby expanding the heat exchange range and heat exchange area of ​​the first heat exchange tube 311, and improving the heat exchange effect of the first heat exchange tube 311. In addition, the first heat exchange tube 311 can enhance the vortex of the heat exchange medium in the first heat exchange tube 311 based on the number of bends of the first heat exchange portion 3111, thereby improving the heat exchange effect of the first heat exchange tube 311. In addition, the open ring area 31111 can also be used to arrange other parts of the first heat exchange tube 311 or other first heat exchange tubes 311 as needed, thereby improving the space utilization and optimizing the overall heat exchange effect of the thermal management component 30.

[0161] Of course, in other embodiments, the first heat exchange tube 311 may adopt other structural designs. For example, the first heat exchange portion 3111 may be linear, closed loop, etc.

[0162] See also Figure 3 , Figure 8 , Fig. 9 In some embodiments of the present application, the first heat exchange portion 3111 includes a first heat exchange segment 31112, a second heat exchange segment 31113 and a third heat exchange segment 31114 that are bent and connected in sequence, and the first heat exchange segment 31112 and the third heat exchange segment 31114 are spaced apart along the first direction a.

[0163] It should be noted that one end of the first heat exchange section 31112 is connected to one end of the second heat exchange section 31113, and the first heat exchange section 31112 and the second heat exchange section 31113 are arranged at an angle, and the angle between the first heat exchange section 31112 and the second heat exchange section 31113 is greater than 0° and less than 180°, for example, it can be 30°, 45°, 60°, 90°, 120°, 135°, 150°, etc.

[0164] One end of the second heat exchange section 31113 away from the first heat exchange section 31112 is connected to the third heat exchange section 31114, and the second heat exchange section 31113 and the third heat exchange section 31114 are arranged at an angle, and the angle between the second heat exchange section 31113 and the third heat exchange section 31114 is greater than 0° and less than 180°, for example, it can be 30°, 45°, 60°, 90°, 120°, 135°, 150°, etc.

[0165] The first heat exchange section 31112 and the third heat exchange section 31114 are arranged at intervals along the first direction a. The first heat exchange section 31112 and the third heat exchange section 31114 are arranged on the same side of the second heat exchange section 31113. The first heat exchange section 31112, the second heat exchange section 31113 and the third heat exchange section 31114 are enclosed together to form an open ring area 31111. Among them, the first heat exchange section 31112 and the third heat exchange section 31114 can be arranged in parallel or not in parallel. The length of the first heat exchange section 31112 and the length of the third heat exchange section 31114 can be set the same or different.

[0166] The gap between one end of the first heat exchange section 31112 away from the second heat exchange section 31113 and one end of the third heat exchange section 31114 away from the second heat exchange section 31113 can form an opening of the open ring area 31111, so that other parts of the first heat exchange tube 311 or other first heat exchange tubes 311 can be arranged into the open ring area 31111 through the opening.

[0167] In the present application, "bend connection" means that two structures are connected, and the connection position is a bend in a non-linear structure (such as an arc segment).

[0168] By adopting the above scheme, the first heat exchange part 3111 can enclose the first heat exchange section 31112 and the third heat exchange section 31114 spaced apart along the first direction a, and the second heat exchange section 31113 bent and connected between the first heat exchange section 31112 and the third heat exchange section 31114, to form an open ring area 31111. Based on this, on the one hand, the structural design of the first heat exchange part 3111 can be optimized, the heat exchange medium can be smoothly flowed from one end of the first heat exchange part 3111 to the other end of the first heat exchange part 3111, the extension length of the first heat exchange part 3111 can be increased, and the extension path of the first heat exchange part 3111 can be extended, so that the heat exchange range and heat exchange area of ​​the first heat exchange part 3111 can be expanded, and the heat exchange effect of the first heat exchange part 3111 and the first heat exchange tube 311 can be improved. On the other hand, the structural layout of the first heat exchange part 3111 can be simplified and compacted, and the space occupied by the first heat exchange part 3111 can be optimized, which can help optimize the space utilization and volume energy density of the battery 1.

[0169] Of course, in other embodiments, the first heat exchange portion 3111 may adopt other structural designs to form the open ring area 31111, for example, it may be semicircular.

[0170] See also Figure 8 , Fig. 9 In some embodiments of the present application, the first heat exchange portion 3111 also includes a fourth heat exchange section 31115, the fourth heat exchange section 31115 and the second heat exchange section 31113 are spaced apart along the second direction b, and are bent and connected to an end of the first heat exchange section 31112 away from the second heat exchange section 31113, the end of the third heat exchange section 31114 away from the second heat exchange section 31113 is spaced apart from the fourth heat exchange section 31115 along the second direction b, and the second direction b is set at an angle to the first direction a.

[0171] It should be noted that the fourth heat exchange section 31115 is connected to one end of the first heat exchange section 31112 away from the second heat exchange section 31113, and the fourth heat exchange section 31115 is arranged at an angle to the first heat exchange section 31112. The angle between the fourth heat exchange section 31115 and the first heat exchange section 31112 is greater than 0° and less than 180°, for example, it can be 30°, 45°, 60°, 90°, 120°, 135°, 150°, etc.

[0172] The fourth heat exchange section 31115 and the second heat exchange section 31113 are arranged at intervals along the second direction b. The fourth heat exchange section 31115 and the second heat exchange section 31113 are arranged on the same side of the first heat exchange section 31112. The first heat exchange section 31112, the second heat exchange section 31113, the third heat exchange section 31114 and the fourth heat exchange section 31115 are enclosed together to form an open ring area 31111. Among them, the fourth heat exchange section 31115 and the second heat exchange section 31113 can be arranged in parallel or not in parallel. The length of the fourth heat exchange section 31115 and the length of the second heat exchange section 31113 can be set the same or different.

[0173] The end of the third heat exchange section 31114 away from the second heat exchange section 31113 is spaced apart from the fourth heat exchange section 31115 along the second direction b, so that a gap between the end of the third heat exchange section 31114 away from the second heat exchange section 31113 and the fourth heat exchange section 31115 can form an opening of the open ring area 31111, so as to facilitate the arrangement of other parts of the first heat exchange tube 311 or other first heat exchange tubes 311 into the open ring area 31111 through the opening.

[0174] The first direction a and the second direction b are arranged at an angle, wherein the first direction a and the second direction b may be arranged perpendicularly, or may only intersect and be arranged non-perpendicularly, for example, the first direction a and the second direction b may be arranged at 30°, 60°, 80°, 90°, 120°, 150°, or 170°.

[0175] By adopting the above scheme, the first heat exchange part 3111 can be enclosed by the first heat exchange section 31112, the second heat exchange section 31113, the third heat exchange section 31114 and the fourth heat exchange section 31115 to form an open ring area 31111, and the opening of the open ring area 31111 is formed by the gap between the end of the third heat exchange section 31114 away from the second heat exchange section 31113 and the fourth heat exchange section 31115. Based on this, on the one hand, the structure of the first heat exchange part 3111 can be optimized, the extension length of the first heat exchange part 3111 can be increased, and the extension path of the first heat exchange part 3111 can be extended, so that the heat exchange range and heat exchange area of ​​the first heat exchange part 3111 can be expanded, and the heat exchange effect of the first heat exchange part 3111 and the first heat exchange tube 311 can be improved. On the one hand, it is convenient to arrange other parts of the first heat exchange tube 311 or other first heat exchange tubes 311 in the open ring area 31111 through the opening, so as to optimize the layout of each heat exchange tube 31, improve the space utilization rate, and optimize the overall heat exchange effect of the thermal management component 30. On the one hand, it is convenient to promote the smooth flow of the heat exchange medium through the first heat exchange section 31112, the second heat exchange section 31113, the third heat exchange section 31114 and the fourth heat exchange section 31115, respectively, and enhance the vortex of the heat exchange medium in the first heat exchange part 3111 through the bending corners between the fourth heat exchange section 31115 and the first heat exchange section 31112, between the first heat exchange section 31112 and the second heat exchange section 31113, and between the second heat exchange section 31113 and the third heat exchange section 31114, so as to improve the heat exchange effect of the first heat exchange tube 311.

[0176] See also Figure 3 , Figure 8 , Fig. 9 In some embodiments of the present application, the first heat exchange tube 311 is provided with two first heat exchange parts 3111 , the two first heat exchange parts 3111 are symmetrically arranged, and the two first heat exchange parts 3111 are connected through a fifth heat exchange section 3112 .

[0177] It should be noted that the first heat exchange tube 311 includes two first heat exchange parts 3111 arranged symmetrically. The symmetry line between the two first heat exchange parts 3111 may be, but is not limited to, the center line of the first heat exchange tube 311 along the first direction a. In this case, the two first heat exchange parts 3111 are connected by the fifth heat exchange section 3112. That is, the ends of the two first heat exchange parts 3111 adjacent to the symmetry line are connected by the fifth heat exchange section 3112. Such an arrangement allows the heat exchange medium to flow from one of the first heat exchange parts 3111 to the other first heat exchange part 3111 via the fifth heat exchange section 3112.

[0178] like Fig. 9As shown, in some embodiments, the first heat exchange part 3111 is enclosed by the first heat exchange section 31112, the second heat exchange section 31113, the third heat exchange section 31114 and the fourth heat exchange section 31115 to form an open ring area 31111, and the opening of the open ring area 31111 is formed by the gap between the end of the third heat exchange section 31114 away from the second heat exchange section 31113 and the fourth heat exchange section 31115. In this case, the ends of the third heat exchange sections 31114 of the two first heat exchange parts 3111 away from the second heat exchange section 31113 are connected by the fifth heat exchange section 3112, so that the first heat exchange tube 311 is in a "concave" shape.

[0179] By adopting the above scheme, the first heat exchange tube 311 can be based on two symmetrically arranged first heat exchange parts 3111 and the fifth heat exchange section 3112 connected between the two first heat exchange parts 3111, so that the heat exchange medium can flow from one of the first heat exchange parts 3111 to the other first heat exchange part 3111 via the fifth heat exchange section 3112. Based on this, on the one hand, it is convenient for the first heat exchange tube 311 to symmetrically arrange the two first heat exchange parts 3111 on the opposite sides of the substrate 221, so that the heat exchange medium flowing through the two first heat exchange parts 3111 can be used to uniformly exchange heat between the battery cells 10 arranged on the opposite sides of the substrate 221, thereby optimizing the layout of the bending path of the first heat exchange tube 311, and uniformizing the heat exchange effect of the first heat exchange tube 311 on the battery cell 10 corresponding to its first heat exchange part 3111, promoting the uniformity of temperature distribution in the battery 1, and enabling the thermal management component 30 to meet the heat exchange requirements of the battery 1. On the one hand, the extension length of the first heat exchange tube 311 can be increased, the extension path of the first heat exchange tube 311 can be extended, and the space occupied by the first heat exchange tube 311 can be optimized, thereby expanding the heat exchange range and heat exchange area of ​​the first heat exchange tube 311, improving space utilization, and improving the heat exchange effect of the first heat exchange tube 311.

[0180] See also Figure 8 , Fig. 9 In some embodiments of the present application, the first heat exchange tube 311 also includes a first inlet and outlet section 3113 and a second inlet and outlet section 3114, the first inlet and outlet section 3113 is connected to the end of one of the first heat exchange parts 3111 away from the fifth heat exchange section 3112, and the second inlet and outlet section 3114 is connected to the end of another first heat exchange part 3111 away from the fifth heat exchange section 3112.

[0181] It should be noted that in the first heat exchange tube 311, one end of the two first heat exchange parts 3111 is connected through the fifth heat exchange section 3112, the other end of one of the first heat exchange parts 3111 is connected to the first inlet and outlet section 3113, and the other end of the other first heat exchange part 3111 is connected to the second inlet and outlet section 3114. The first inlet and outlet section 3113 is used for the inflow of heat exchange medium, and the second inlet and outlet section 3114 is used for the outflow of heat exchange medium. In this way, the heat exchange medium can flow along the path of the first inlet and outlet section 3113, one of the first heat exchange parts 3111, the fifth heat exchange section 3112, the other first heat exchange part 3111, and the second inlet and outlet section 3114.

[0182] like Fig. 9 As shown, in some embodiments, the first inlet and outlet section 3113 is connected to one end of one of the fourth heat exchange sections 31115 away from the first heat exchange section 31112, and the first inlet and outlet section 3113 and the fourth heat exchange section 31115 are arranged at an angle, the angle being greater than 0° and less than or equal to 180°, and the angle being, but not limited to, 30°, 45°, 60°, 90°, 120°, 135°, or 150°, etc. The second inlet and outlet section 3114 is connected to another end of the fourth heat exchange section 31115 away from the first heat exchange section 31112, and the second inlet and outlet section 3114 and the fourth heat exchange section 31115 are arranged at an angle, the angle being greater than 0° and less than or equal to 180°, and the angle being, but not limited to, 30°, 45°, 60°, 90°, 120°, 135°, or 150°, etc.

[0183] By adopting the above scheme, the first heat exchange tube 311 can be connected to the first inlet and outlet section 3113 of one of the first heat exchange parts 3111, and the second inlet and outlet section 3114 of another first heat exchange part 3111, so as to facilitate the external piping, so that the heat exchange medium can flow smoothly along the first inlet and outlet section 3113, one of the first heat exchange parts 3111, the fifth heat exchange section 3112, another first heat exchange part 3111, and the second inlet and outlet section 3114, thereby promoting the entry and exit and circulation of the heat exchange medium, and improving the performance and heat exchange efficiency of the first heat exchange tube 311.

[0184] See also Figure 3 , Figure 8 , Fig. 9 In some embodiments of the present application, a plurality of first heat exchange tubes 311 are provided, and the plurality of first heat exchange tubes 311 are sequentially arranged from the inside to the outside.

[0185] It should be noted that, when the first heat exchange tube 311 includes two first heat exchange parts 3111 and the fifth heat exchange section 3112, the first heat exchange tube 311 may be in a concave shape. On this basis, if there are multiple first heat exchange tubes 311, multiple first heat exchange tubes 311 in a concave shape may be sequentially arranged from the inside to the outside, and compactly arranged on the substrate 221.

[0186] By adopting the above solution, when there are multiple first heat exchange tubes 311, and each first heat exchange tube 311 includes two first heat exchange parts 3111 and a fifth heat exchange section 3112, the multiple first heat exchange tubes 311 can be arranged in a regular and compact manner on the substrate 221 by sequentially sleeve-fitting the multiple first heat exchange tubes 311 from the inside to the outside. Based on this, the layout of the multiple first heat exchange tubes 311 on the substrate 221 can be regularized, compacted, and optimized, which can improve the space utilization rate and enable the multiple first heat exchange tubes 311 to meet the heat exchange requirements of the battery 1.

[0187] Furthermore, each first heat exchange tube 311 can provide balanced and uniform heat exchange to the battery unit 10 corresponding to its first heat exchange part 3111 through two first heat exchange parts 3111, that is, each first heat exchange tube 311 can provide balanced and uniform heat exchange effect in its extension path. The multiple first heat exchange tubes 311 that are sequentially arranged from the inside to the outside can adjust the distance between two adjacent first heat exchange tubes 311 as needed according to the heat exchange requirements of different areas of the battery 1, and even adjust the flow rate and heat of the heat exchange medium flowing in each as needed to meet the heat exchange requirements of different areas. In this way, the multiple first heat exchange tubes 311 can meet the heat exchange requirements of different areas of the battery 1, promote the uniformity of temperature distribution in the battery 1, and improve the comprehensive heat exchange effect of the multiple first heat exchange tubes 311.

[0188] See also Figure 3 , Fig.10 , Fig.11 In some embodiments of the present application, the first heat exchange tube 311 also includes a second heat exchange portion 3115 , which is bent and disposed in the open ring area 31111 and is bent and connected to the first heat exchange portion 3111 .

[0189] It should be noted that the second heat exchange portion 3115 is bent and arranged in the open ring area 31111, that is, the second heat exchange portion 3115 is arranged in the space enclosed by the first heat exchange portion 3111, and the second heat exchange portion 3115 extends along a non-straight line on the inner side of the first heat exchange portion 3111 and has at least one bending position.

[0190] By adopting the above scheme, the first heat exchange tube 311 can be bent and arranged in the open ring area 31111 on the basis of the range of heat exchange cooperation framed by the first heat exchange part 3111, and the second heat exchange part 3115 is bent and connected to the first heat exchange part 3111, so that the heat exchange medium can flow from the first heat exchange part 3111 to the second heat exchange part 3115, or can flow from the second heat exchange part 3115 to the first heat exchange part 3111. Based on this, on the one hand, the first heat exchange tube 311 can be concentrated in an area of ​​the substrate 221 to perform reliable heat exchange on the battery unit 10 corresponding to the area, so as to optimize the space occupation and bending path layout of the first heat exchange tube 311, and can focus on optimizing the heat exchange effect of the first heat exchange tube 311 on the battery unit 10 corresponding to it, so as to enable the first heat exchange tube 311 to meet the heat exchange requirements of the area framed by it. On the one hand, the extension length of the first heat exchange tube 311 can be increased, and the extension path of the first heat exchange tube 311 can be extended, so that the heat exchange area of ​​the first heat exchange tube 311 can be expanded, the space utilization rate can be improved, and the heat exchange effect of the first heat exchange tube 311 can be improved.

[0191] Furthermore, during the flow of the heat exchange medium in the first heat exchange tube 311, the heat of the heat exchange medium may gradually change due to heat exchange, resulting in a gradual decrease in heat exchange efficiency. Based on this, the heat exchange medium may be adjusted to flow through the second heat exchange part 3115 first and then through the first heat exchange part 3111, or the heat exchange medium may be adjusted to flow through the first heat exchange part 3111 first and then through the second heat exchange part 3115, according to the heat exchange requirements of the battery unit 10 corresponding to the first heat exchange part 3111 and the heat exchange requirements of the battery unit 10 corresponding to the second heat exchange part 3115. For example, in some embodiments, the battery cell 10 corresponding to the first heat exchange part 3111 is close to the outer periphery of the box body 20, and can be naturally radiated toward the external environment through the box body 20, so that the heat exchange demand of the battery cell 10 corresponding to the first heat exchange part 3111 is lower than the heat exchange demand of the battery cell 10 corresponding to the second heat exchange part 3115. Based on this, the heat exchange medium can be adjusted to flow through the second heat exchange part 3115 first and then through the first heat exchange part 3111. As a result, the first heat exchange tube 311 can adjust the flow direction of the heat exchange medium to meet the heat exchange demand of the battery cell 10 corresponding to the first heat exchange part 3111 and the heat exchange demand of the battery cell 10 corresponding to the second heat exchange part 3115, respectively, so as to promote the uniformity of temperature distribution in the battery 1 and improve the heat exchange effect of the first heat exchange tube 311.

[0192] See also Figure 3 , Fig.11In some embodiments of the present application, the first heat exchange tube 311 also includes a second heat exchange portion 3115, which is bent and arranged in the open ring area 31111, and the second heat exchange portion 3115 is bent and connected to an end of the first heat exchange section 31112 away from the second heat exchange section 31113.

[0193] It should be noted that, in combination with the above embodiment in which "the first heat exchange portion 3111 includes a first heat exchange segment 31112, a second heat exchange segment 31113 and a third heat exchange segment 31114 that are bent and connected in sequence, and the first heat exchange segment 31112 and the third heat exchange segment 31114 are spaced apart along the first direction a", the second heat exchange portion 3115 can be bent and connected to an end of the first heat exchange segment 31112 away from the second heat exchange segment 31113. The connection position between the second heat exchange portion 3115 and the first heat exchange segment 31112 is a bent non-linear structure (e.g., an arc segment).

[0194] By adopting the above scheme, on the basis of the previous embodiment, combined with the embodiment of "the first heat exchange part 3111 includes the first heat exchange section 31112, the second heat exchange section 31113 and the third heat exchange section 31114 which are bent and connected in sequence, and the first heat exchange section 31112 and the third heat exchange section 31114 are arranged at intervals along the first direction a", the second heat exchange part 3115 can be bent and connected to the end of the first heat exchange section 31112 away from the second heat exchange section 31113, so that the heat exchange medium can flow between the first heat exchange part 3111 and the second heat exchange part 3115 through the first heat exchange section 31112. Based on this, the structural design of the first heat exchange tube 311 can be optimized, the design flexibility and processing convenience of the first heat exchange tube 311 can be improved, and the first heat exchange tube 311 can be enabled to meet the heat exchange requirements of different batteries 1.

[0195] See also Figure 3 , Fig.10 In some embodiments of the present application, the first heat exchange tube 311 also includes a second heat exchange portion 3115, which is bent and arranged in the open ring area 31111, and the second heat exchange portion 3115 is bent and connected to the end of the third heat exchange section 31114 away from the second heat exchange section 31113.

[0196] It should be noted that, based on the previous embodiment, combined with the embodiment of "the first heat exchange portion 3111 includes a first heat exchange segment 31112, a second heat exchange segment 31113 and a third heat exchange segment 31114 that are bent and connected in sequence, and the first heat exchange segment 31112 and the third heat exchange segment 31114 are arranged at intervals along the first direction a", the second heat exchange portion 3115 can be bent and connected to an end of the third heat exchange segment 31114 away from the second heat exchange segment 31113. The connection position between the second heat exchange portion 3115 and the third heat exchange segment 31114 is a bent non-linear structure (such as an arc segment).

[0197] By adopting the above scheme, on the basis of the previous embodiment, combined with the embodiment of "the first heat exchange part 3111 includes the first heat exchange section 31112, the second heat exchange section 31113 and the third heat exchange section 31114 which are bent and connected in sequence, and the first heat exchange section 31112 and the third heat exchange section 31114 are arranged at intervals along the first direction a", the second heat exchange part 3115 can be bent and connected to the end of the third heat exchange section 31114 away from the second heat exchange section 31113, so that the heat exchange medium can flow between the first heat exchange part 3111 and the second heat exchange part 3115 through the third heat exchange section 31114. Based on this, the structural design of the first heat exchange tube 311 can be optimized, the design flexibility and processing convenience of the first heat exchange tube 311 can be improved, and the first heat exchange tube 311 can be enabled to meet the heat exchange requirements of different batteries 1. This embodiment is also suitable for use in combination with the embodiment of "the first heat exchange part 3111 also includes the fourth heat exchange section 31115".

[0198] See also Figure 3 , Fig.10 , Fig.11 In some embodiments of the present application, the second heat exchange portion 3115 includes a plurality of sixth heat exchange segments 31151, and the plurality of sixth heat exchange segments 31151 are arranged at intervals and are bent and connected in sequence.

[0199] It should be noted that the plurality of sixth heat exchange segments 31151 are connected in sequence, and the connection position between two connected sixth heat exchange segments 31151 is bent, and the connection position may be, but is not limited to, an arc segment or a broken line segment.

[0200] The shape of the sixth heat exchange segment 31151 can be variously designed, for example, it can be a straight line or an arc, etc. The extension direction of the sixth heat exchange segment 31151 can be variously designed, for example, it can extend along the first direction a or the second direction b.

[0201] Based on this, the plurality of sixth heat exchange segments 31151 are bent and connected in sequence, so that the second heat exchange portion 3115 can be in a zigzag shape, such as an S-shape, an I-shape, a V-shape, etc.

[0202] By adopting the above scheme, the second heat exchange part 3115 can form a zigzag shape through multiple sixth heat exchange sections 31151 arranged at intervals and connected by bending in sequence. Based on this, the structural layout of the second heat exchange part 3115 in the space enclosed by the first heat exchange part 3111 can be compacted, the extension length of the second heat exchange part 3115 can be increased, and the extension path of the second heat exchange part 3115 can be extended, so that the heat exchange range and heat exchange area of ​​the second heat exchange part 3115 can be expanded, the heat exchange effect of the second heat exchange part 3115 and the first heat exchange tube 311 can be improved, and the space occupation of the second heat exchange part 3115 can be optimized, so as to optimize the space utilization rate and volume energy density of the battery 1.

[0203] See also Fig.10 , Fig.11 In some embodiments of the present application, a plurality of sixth heat exchange segments 31151 are arranged at intervals along the first direction a, each sixth heat exchange segment 31151 is extended linearly along the second direction b, and the first direction a and the second direction b are arranged at an angle.

[0204] It should be noted that each sixth heat exchange segment 31151 is extended linearly along the second direction b, and each sixth heat exchange segment 31151 is arranged at intervals along the first direction a, so that each sixth heat exchange segment 31151 is arranged parallel to each other and at intervals.

[0205] The first direction a and the second direction b are arranged at an angle, wherein the first direction a and the second direction b may be arranged perpendicularly, or may only intersect and be arranged non-perpendicularly, for example, the first direction a and the second direction b may be arranged at 30°, 60°, 80°, 90°, 120°, 150°, or 170°.

[0206] By adopting the above solution, by setting the sixth heat exchange segment 31151 to extend linearly along the second direction b, and making each sixth heat exchange segment 31151 arranged at intervals along the first direction a, the structural design of the second heat exchange part 3115 can be regularized and optimized, and the design flexibility and processing convenience of the second heat exchange part 3115 can be improved. In addition, based on the sixth heat exchange segment 31151 extending linearly along the second direction b, the heat exchange medium can also flow smoothly in the sixth heat exchange segment 31151 and the second heat exchange part 3115 through a straight pipe, thereby improving the heat exchange effect of the second heat exchange part 3115 and the first heat exchange tube 311.

[0207] Of course, in other embodiments, the plurality of sixth heat exchange segments 31151 may be arranged in other arrangements. For example, the plurality of sixth heat exchange segments 31151 may be arranged at intervals along the second direction b, and each sixth heat exchange segment 31151 may be arranged to extend linearly along the first direction a, and so on.

[0208] See also Fig.10 , Fig.11In some embodiments of the present application, the first heat exchange tube 311 also includes a first inlet and outlet section 3113 and a second inlet and outlet section 3114, one end of the first heat exchange part 3111 is bent and connected to one end of the second heat exchange part 3115, the first inlet and outlet section 3113 is connected to the other end of the first heat exchange part 3111, and the second inlet and outlet section 3114 is connected to the other end of the second heat exchange part 3115.

[0209] It should be noted that, in the case where "the second heat exchange part 3115 of the first heat exchange tube 311 is bent and arranged in the open ring area 31111", one end of the first heat exchange part 3111 is bent and connected to one end of the second heat exchange part 3115, the first inlet and outlet section 3113 is connected to the other end of the first heat exchange part 3111, and the second inlet and outlet section 3114 is connected to the other end of the second heat exchange part 3115. One of the first inlet and outlet section 3113 and the second inlet and outlet section 3114 is used for the inflow of heat exchange medium, and the other one of the two is used for the outflow of heat exchange medium. In this way, the heat exchange medium can flow along the path of the first inlet and outlet section 3113, the first heat exchange part 3111, the second heat exchange part 3115, and the second inlet and outlet section 3114, or flow along the path of the second inlet and outlet section 3114, the second heat exchange part 3115, the first heat exchange part 3111, and the first inlet and outlet section 3113.

[0210] The portion where the second heat exchange portion 3115 is connected to the second entrance and exit section 3114 may pass through the opening of the open ring region 31111. The portion where the second heat exchange portion 3115 is connected to the second entrance and exit section 3114 may be extended in a straight line or may be bent.

[0211] By adopting the above scheme, in the case where "the second heat exchange part 3115 of the first heat exchange tube 311 is bent and arranged in the open ring area 31111", the first heat exchange tube 311 can be connected to the first inlet and outlet section 3113 of the first heat exchange part 3111, and the second inlet and outlet section 3114 of the second heat exchange part 3115, to facilitate the external piping, so that the heat exchange medium can flow along the path of the first inlet and outlet section 3113, the first heat exchange part 3111, the second heat exchange part 3115, and the second inlet and outlet section 3114, or flow along the path of the second inlet and outlet section 3114, the second heat exchange part 3115, the first heat exchange part 3111, and the first inlet and outlet section 3113, thereby promoting the entry and exit and circulation of the heat exchange medium and improving the performance and heat exchange efficiency of the first heat exchange tube 311.

[0212] See also Figure 3 , Fig.10 , Fig.11 In some embodiments of the present application, two first heat exchange tubes 311 are provided, and the two first heat exchange tubes 311 are disposed on opposite sides of the substrate 221 .

[0213] It should be noted that two first heat exchange tubes 311 are provided on the substrate 221. The two first heat exchange tubes 311 can be disposed on opposite sides of the substrate 221 to perform heat exchange with the corresponding battery cells 10 on opposite sides of the substrate 221 respectively.

[0214] The two first heat exchange tubes 311 may have the same structure or different structures. As shown in the figure, in some embodiments, the two first heat exchange tubes 311 have the same structure, and at least parts of the two first heat exchange tubes 311 (including the first heat exchange portion 3111 and the second heat exchange portion 3115) are symmetrically arranged.

[0215] By adopting the above scheme, through the two first heat exchange tubes 311 arranged on the opposite sides of the substrate 221, the two first heat exchange tubes 311 can carry out targeted and centralized heat exchange on the battery cells 10 arranged on the opposite sides of the substrate 221, thereby optimizing the comprehensive heat exchange effect of the two first heat exchange tubes 311 and enabling the thermal management component 30 to meet the heat exchange requirements of the battery 1.

[0216] See also Figure 2 , Figure 8 , Fig.12 In some embodiments of the present application, the heat exchange tube 31 disposed in the frame 222 is a second heat exchange tube 312 , and the second heat exchange tube 312 is provided with one and is bent through at least two sides of the frame 222 along the circumferential direction.

[0217] It should be noted that the second heat exchange tube 312 is a heat exchange tube 31 disposed in the frame 222. The number of the second heat exchange tube 312 is one. The second heat exchange tube 312 is bent and passes through at least two sides of the frame 222 along the circumferential direction to perform heat exchange with multiple sides of the frame 222 along the circumferential direction.

[0218] By adopting the above scheme, a second heat exchange tube 312 disposed on the frame 222 can be bent so that the second heat exchange tube 312 passes through at least two sides of the frame 222 along the circumferential direction and performs heat exchange with multiple sides of the frame 222 along the circumferential direction. Based on this, it is convenient for the second heat exchange tube 312 to directly perform heat exchange with multiple sides of the frame 222 along the circumferential direction, and it is also convenient for the second heat exchange tube 312 to directly perform heat exchange with other components such as the battery unit 10 on multiple sides of the frame 222, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube 312, improving the heat exchange effect of the second heat exchange tube 312, and enabling the second heat exchange tube 312 to meet the heat exchange requirements of a specific area of ​​the battery 1.

[0219] See also Figure 8 , Fig.12In some embodiments of the present application, the second heat exchange tube 312 includes a third heat exchange part 3121, a third inlet and outlet section 3122 and a fourth inlet and outlet section 3123, the third inlet and outlet section 3122 is connected to one end of the third heat exchange part 3121, and the fourth inlet and outlet section 3123 is connected to the other end of the third heat exchange part 3121.

[0220] It should be noted that the third heat exchange part 3121 is the main body of the second heat exchange tube 312. One end of the third inlet and outlet section 3122 is connected to one end of the third heat exchange part 3121, and one end of the fourth inlet and outlet section 3123 is connected to the other end of the third heat exchange part 3121. The third inlet and outlet section 3122 is used for the inflow of heat exchange medium, and the fourth inlet and outlet section 3123 is used for the outflow of heat exchange medium. In this way, the heat exchange medium can flow along the path of the third inlet and outlet section 3122, the third heat exchange part 3121, and the fourth inlet and outlet section 3123.

[0221] By adopting the above scheme, the second heat exchange tube 312 can facilitate external piping through the third inlet and outlet section 3122 connected to one end of the third heat exchange part 3121, and the fourth inlet and outlet section 3123 connected to the other end of the third heat exchange part 3121, so that the heat exchange medium can flow along the path of the third inlet and outlet section 3122, the third heat exchange part 3121, and the fourth inlet and outlet section 3123, thereby promoting the entry and exit and circulation of the heat exchange medium, and improving the use performance and heat exchange efficiency of the second heat exchange tube 312.

[0222] See also Figure 2 , Figure 8 , Fig.12 In some embodiments of the present application, the third heat exchange portion 3121 includes a plurality of seventh heat exchange sections 31211 that are bent and connected in sequence, and each seventh heat exchange section 31211 is arranged on a different side of the frame body 222. The third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are jointly arranged on one side of the frame body 222 and are arranged on the opposite side of the seventh heat exchange section 31211.

[0223] It should be noted that the plurality of seventh heat exchange segments 31211 are bent and connected in sequence, and the heat exchange medium can flow through each seventh heat exchange segment 31211 in sequence. Each seventh heat exchange segment 31211 is respectively arranged on a different side of the frame 222, that is, each seventh heat exchange segment 31211 is arranged on one side of the frame 222, and at most one seventh heat exchange segment 31211 is arranged on one side of the frame 222.

[0224] The third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are disposed together on one side of the frame body 222 , and in particular, on a side of the frame body 222 where the seventh heat exchange section 31211 and the third heat exchange portion 3121 are not disposed.

[0225] By adopting the above scheme, the second heat exchange tube 312 can directly exchange heat with different sides of the frame 222 along the circumferential direction one by one through each seventh heat exchange segment 31211, and directly exchange heat with the side of the frame 222 where the seventh heat exchange segment 31211 and the third heat exchange part 3121 are not provided through the third inlet and outlet segment 3122 and the fourth inlet and outlet segment 3123. Based on this, it is convenient for the second heat exchange tube 312 to directly exchange heat with multiple sides of the frame 222 along the circumferential direction, and it is also convenient for the second heat exchange tube 312 to directly exchange heat with other components such as the battery unit 10 on multiple sides of the frame 222, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube 312, improving the heat exchange effect of the second heat exchange tube 312, and enabling the second heat exchange tube 312 to meet the heat exchange requirements of a specific area of ​​the battery 1.

[0226] See also Figure 8 , Fig.12 In some embodiments of the present application, the third entrance and exit section 3122 and the fourth entrance and exit section 3123 are located on a side of the third heat exchange portion 3121 close to the substrate 221 .

[0227] It should be noted that the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are located on the side of the third heat exchange part 3121 close to the substrate 221 . In other words, the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are located between the third heat exchange part 3121 and the substrate 221 .

[0228] By adopting the above scheme, the third entrance and exit section 3122 and the fourth entrance and exit section 3123 of the second heat exchange tube 312 can be close to the substrate 221 and the first heat exchange tube 311 on the substrate 221, so that the first heat exchange tube 311 and the second heat exchange tube 312 can be easily connected to each other, and the first heat exchange tube 311 and the second heat exchange tube 312 can be easily connected to each other.

[0229] See also Figure 3 , Figure 5 , Figure 6 , Figure 8 In some embodiments of the present application, the heat management component 30 includes two pipe joints 32 . One end of the heat exchange tube 31 is connected to one of the pipe joints 32 , and the other end of the heat exchange tube 31 is connected to the other pipe joint 32 .

[0230] It should be noted that this embodiment is applicable to the cases where “the thermal management component 30 is disposed inside the housing 20”, “the thermal management component 30 is disposed outside the housing 20”, etc. That is, when the thermal management component 30 is disposed inside the housing 20, the two pipe joints 32 of the thermal management component 30 and each heat exchange tube 31 are disposed inside the housing 20. When the thermal management component 30 is disposed outside the housing 20, the two pipe joints 32 of the thermal management component 30 and each heat exchange tube 31 are disposed outside the housing 20.

[0231] It should also be noted that the thermal management component 30 includes two pipe joints 32, one of which is used to input the heat exchange medium, and the other pipe joint 32 is used to output the heat exchange medium. The two pipe joints 32 may have the same structure or may have different structures. The pipe joints 32 may also be designed with other features according to requirements, such as a direct cooling joint or a water-cooling quick plug for docking with an external structure, etc.

[0232] One end of all heat exchange tubes 31 is connected to one of the pipe joints 32 for inputting heat exchange medium, and the other end of all heat exchange tubes 31 is connected to another pipe joint 32 for outputting heat exchange medium. That is, all heat exchange tubes 31 share one pipe joint 32 for inputting heat exchange medium, and share one pipe joint 32 for outputting heat exchange medium. Based on this, the heat exchange medium can be diverted from the pipe joint 32 for inputting heat exchange medium to the heat exchange tube 31, and then flow along the inside of the heat exchange tube 31 to exchange heat with the battery unit 10, etc., and finally flow out from the pipe joint 32 for outputting heat exchange medium.

[0233] The connection method between the heat exchange tube 31 and the tube joint 32 may be, but is not limited to, bonding.

[0234] The heat exchange medium may be a liquid or gas whose heat can be controlled, for example, water, a mixture of water and ethylene glycol, air, etc.

[0235] By adopting the above scheme, the thermal management component 30 can connect one end of the heat exchange tubes 31 independently set in parallel to one of the pipe joints 32, and connect the other end of the heat exchange tube 31 in parallel to another pipe joint 32, so that all the heat exchange tubes 31 share a pipe joint 32 for inputting heat exchange medium, and share a pipe joint 32 for outputting heat exchange medium. Based on this, the thermal management component 30 can be connected to the external structure through the two pipe joints 32, so that the heat exchange medium can first be diverted from the pipe joint 32 for inputting heat exchange medium to the heat exchange tube 31, and then flow along the inside of the heat exchange tube 31 without interfering with each other and perform heat exchange, and finally flow out from the pipe joint 32 for outputting heat exchange medium. In this way, the structure of the thermal management component 30 can be simplified, the structural reliability of the thermal management component 30 can be improved, the convenience of connecting the thermal management component 30 with the external structure can be improved, the heat exchange tubes 31 can be facilitated to circulate the heat exchange medium without interfering with each other, and the use performance and heat exchange performance of the thermal management component 30 can be improved.

[0236] Of course, in other embodiments, the thermal management component 30 may be provided with three or more pipe joints 32 according to the transmission requirements of the heat exchange medium.

[0237] Of course, in other embodiments, the end of at least one heat exchange tube 31 can be connected to other heat exchange tubes 31, so that the heat exchange medium flowing in the heat exchange tube 31 is diverted from other heat exchange tubes 31, or the heat exchange medium flowing in the heat exchange tube 31 is converged to other heat exchange tubes 31.

[0238] See also Figure 8 , Fig.13 In some embodiments of the present application, the pipe joint 32 is provided with pipe interfaces 321 which are provided in equal quantity to the heat exchange pipes 31. The corresponding ends of the heat exchange pipes 31 are connected to the pipe interfaces 321 one by one.

[0239] It should be noted that the pipe joint 32 is provided with a pipe interface 321, and the number of the pipe interfaces 321 is set equal to the number of the heat exchange tubes 31. When there are at least two pipe interfaces 321, the pipe interfaces 321 are arranged at intervals from each other, and the spacing between adjacent pipe interfaces 321 is not limited. In some embodiments, the spacing between adjacent pipe interfaces 321 is 0.5 mm to 10 mm, for example, 0.5 mm, 1.0 mm, 2.0 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 7.0 mm, 8.0 mm, 9.0 mm, 10.0 mm, etc. Such a setting can reduce the processing difficulty of the pipe interface 321, improve the processing convenience and processing quality of the pipe interface 321, improve the strength of the peripheral side of the pipe interface 321, and reduce the risk of fracture of the peripheral edge of the pipe interface 321.

[0240] The corresponding ends of the heat exchange tubes 31 may be connected to the tube interfaces 321 one-to-one, and the connection method may be but is not limited to bonding.

[0241] By adopting the above solution, the pipe joint 32 can be provided with pipe ports 321 provided in the same amount as the heat exchange tube 31, so as to be connected one-to-one with the corresponding end of the heat exchange tube 31 via the pipe ports 321. Based on this, the connection convenience and connection reliability between the heat exchange tube 31 and the pipe joint 32 can be improved, and the structural reliability of the thermal management component 30 can be improved.

[0242] See also Figure 8 , Fig.14 In some embodiments of the present application, the pipe joint 32 is provided with a pipe interface 321 , and the corresponding ends of the heat exchange pipes 31 are centrally connected to the pipe interface 321 .

[0243] It should be noted that the pipe joint 32 is provided with only one pipe interface 321. The corresponding ends of all heat exchange tubes 31 are connected to the pipe interface 321, that is, the corresponding ends of all heat exchange tubes 31 share one pipe interface 321. In some embodiments, when the corresponding ends of all heat exchange tubes 31 are plugged into the pipe interface 321, the corresponding ends of all heat exchange tubes 31 may be fixed to each other and to the pipe interface 321 by, but not limited to, bonding or other methods.

[0244] By adopting the above solution, the pipe joint 32 can be provided with a pipe interface 321, so that the corresponding ends of all heat exchange pipes 31 can be connected thereto through the pipe interface 321. Based on this, the connection convenience and connection reliability between the heat exchange pipe 31 and the pipe joint 32 can be improved, and the structural reliability of the thermal management component 30 can be improved.

[0245] See also Figure 6 , Figure 7 In some embodiments of the present application, the housing 20 is provided with at least one groove 23 for at least partially embedding the heat exchange tube 31 therein.

[0246] It should be noted that the present embodiment is applicable to situations such as “the heat management component 30 is disposed inside the housing 20 ” and “the heat management component 30 is disposed outside the housing 20 ”.

[0247] The housing 20 is provided with at least one groove 23 , and each groove 23 is arranged corresponding to at least one heat exchange tube 31 , so that a part or all of the corresponding heat exchange tube 31 can be embedded in the corresponding groove 23 .

[0248] By adopting the above solution, by providing the groove 23 in the box body 20, it is convenient for a part or all of the corresponding heat exchange tube 31 to be embedded in the corresponding groove 23. Based on this, the part of the heat exchange tube 31 embedded in the corresponding groove 23 can be enabled to share space with the box body 20, thereby compressing the occupied space of at least one heat exchange tube 31, which can be beneficial to compressing the total occupied space of the thermal management component 30, and can improve the space utilization and energy density of the battery 1 to a certain extent.

[0249] See also Figure 3 , Figure 4 In some embodiments of the present application, the battery 1 includes a heat-conducting medium 50 , and at least a portion of at least one heat exchange tube 31 is embedded in the heat-conducting medium 50 .

[0250] It should be noted that the heat-conducting medium 50 is a material with heat-conducting properties, and the heat-conducting medium 50 is not limited to a strip structure, a plate structure, etc. The heat-conducting medium 50 may be, but is not limited to, heat-conducting silicone grease, heat-conducting silica gel, etc. The setting area of ​​the heat-conducting medium 50 includes the setting area of ​​at least one heat exchange tube 31, so that part or all of at least one heat exchange tube 31 can be embedded in the heat-conducting medium 50.

[0251] By adopting the above scheme, at least a portion of at least one heat exchange tube 31 can be embedded in the heat-conducting medium 50, so as to enhance the thermal conductivity and tightness of the heat exchange tube 31 and the components heat-conductingly connected thereto via the heat-conducting medium 50, and increase the heat exchange area between the heat exchange tube 31 and the components heat-conductingly connected thereto via the heat-conducting medium 50, thereby enhancing the heat exchange effect of the heat exchange tube 31 on the components heat-conductingly connected thereto.

[0252] See also Figure 8 , Fig.16 In some embodiments of the present application, the heat exchange tube 31 is configured with a heat exchange channel 313 , in which a dividing rib 314 is provided, and the dividing rib 314 is extended along the extension direction of the heat exchange channel 313 .

[0253] It should be noted that the inner space of the heat exchange tube 31 can be configured as a heat exchange channel 313. The heat exchange channel 313 is arranged to be continuous along the extension direction of the heat exchange channel 313. The heat exchange channel 313 is used for the heat exchange medium to flow from one end thereof to the other end thereof. The heat exchange medium can be a liquid or gas whose heat can be controlled, for example, water, a mixture of water and ethylene glycol, air, etc. The flow of the heat exchange medium in the heat exchange channel 313 can be powered by, but not limited to, a compressor.

[0254] It should also be noted that a separation rib 314 is provided in the heat exchange channel 313 (ie, inside the heat exchange tube 31 ). The separation rib 314 is connected to the inner tube wall of the heat exchange tube 31 . The separation rib 314 is extended along the extension direction of the heat exchange channel 313 .

[0255] In the heat exchange channel 313, one dividing rib 314 can be provided, and one dividing rib 314 can divide the heat exchange channel 313 into two heat exchange branch channels 3131, so that the heat exchange medium can be divided into two heat exchange branch channels 3131 and flow in the same direction. Alternatively, at least two dividing ribs 314 can be provided, and each dividing rib 314 can jointly divide the heat exchange channel 313 into at least three heat exchange branch channels 3131, so that the heat exchange medium can be divided into each heat exchange branch channel 3131 and flow in the same direction.

[0256] By adopting the above scheme, a separation rib 314 can be provided in the heat exchange channel 313, so that the heat exchange channel 313 can be divided into at least two heat exchange branch channels 3131 through the separation rib 314, so that the heat exchange medium can be branched from one end of the heat exchange channel 313 to each heat exchange branch channel 3131 and then flow in the same direction to the other end of the heat exchange channel 313. Based on this, the heat exchange medium can still be enabled to flow smoothly from one end of the heat exchange channel 313 to the other end of the heat exchange channel 313 along the heat exchange channel 313. On this basis, the separation rib 314 can also be used to support the wall of the heat exchange tube 31 inside the heat exchange tube 31, so as to optimize the pressure resistance and pressure resistance of the heat exchange tube 31, enable the heat exchange tube 31 to meet the pressure resistance requirements, reduce the risk of damage to the heat exchange tube 31, and extend the service life of the heat exchange tube 31.

[0257] See also Figure 8 , Fig.15 In some embodiments of the present application, the heat exchange tube 31 includes a circular tube section 315 .

[0258] It should be noted that, in the thermal management component 30, one heat exchange tube 31 may include a circular tube segment 315, at least two heat exchange tubes 31 may include a circular tube segment 315, or all heat exchange tubes 31 may include a circular tube segment 315. The heat exchange tube 31 including the circular tube segment 315 may be a circular tube segment 315 as a whole or partially. The circular tube segment 315 is a tube segment with a circular cross-section, wherein the "cross-section" is a cross-section perpendicular to the central axis of the tube segment.

[0259] Since the pressure on any cross section of the circular tube section 315 can be evenly directed from the center of the circle to the circumference, the pressure on the tube wall of the circular tube section 315 will be relatively even, based on this, the pressure resistance of the circular tube section 315 can be better, and the bending and forming of the circular tube section 315 can be simple and convenient. Therefore, by adopting the above scheme, the heat exchange tube 31 can include the circular tube section 315, so that at least the area of ​​the circular tube section 315 of the heat exchange tube 31 has better pressure resistance and is easy to bend and form, thereby improving the processing convenience and layout flexibility of the heat exchange tube 31, and extending the service life of the heat exchange tube 31.

[0260] See also Figure 8 , Fig.15 , Fig.17 The circular tube section 315 includes a bending section 317 , and a bending radius R of the bending section 317 is greater than or equal to a radius r of a cross section of the bending section 317 .

[0261] It should be noted that, since the round tube segment 315 is simple and convenient to be bent, at least one round tube segment 315 can be partially or completely bent into an arc shape to form a bent segment 317 .

[0262] The bending radius R of the bending section 317 is greater than or equal to the radius r of the cross section of the bending section 317. The bending radius R of the bending section 317 refers to the radius of the arc of the bending section 317, and also reflects the degree of bending change of the bending section 317. The cross section of the bending section 317 is a cross section perpendicular to the central axis of the pipe section, and the cross section of the bending section 317 is annular, and the radius r of the cross section of the bending section 317 refers to the outer radius of the annulus.

[0263] By adopting the above scheme, the bending radius R of the bending section 317 can be made greater than or equal to the radius r of the cross section of the bending section 317, so as to reduce the risk of wrinkling on the concave side of the bending section 317 and reduce the risk of thinning and breakage on the convex side of the bending section 317, thereby optimizing the bending effect of the bending section 317 and improving the performance and service life of the bending section 317.

[0264] See also Figure 8 , Fig.15 In some embodiments of the present application, the heat exchange tube 31 includes a flat tube section 316 , and the outer surface of the flat tube section 316 is provided with a planar heat exchange surface 3161 .

[0265] It should be noted that, in the thermal management component 30, one heat exchange tube 31 may include a flat tube segment 316, at least two heat exchange tubes 31 may include a flat tube segment 316, or all heat exchange tubes 31 may include a flat tube segment 316. The heat exchange tube 31 including the flat tube segment 316 may be a flat tube segment 316 as a whole, or may be a flat tube segment 316 in part. The flat tube segment 316 is a tube segment with a flat cross-sectional shape. Among them, "cross section" is a cross section perpendicular to the central axis of the tube segment. Among them, "flat" includes a shape that is relatively flat relative to a circle, such as a rectangle, a trapezoid, an ellipse, a waist shape, etc. In some embodiments, the flat tube segment 316 can be formed by flattening the circular tube segment 315. For example, if the heat exchange tube 31 including the flat tube segment 316 is a flat tube segment 316 as a whole, the heat exchange tube 31 can first be a circular tube segment 315 as a whole, then be bent and formed according to the layout requirements, and then flattened as a whole to form the flat tube segment 316.

[0266] It should also be noted that the outer surface of the flat tube section 316 is provided with a heat exchange surface 3161, and the heat exchange surface 3161 can be set in the area of ​​the flat tube section 316 for heat conduction connection with other components. The heat exchange surface 3161 is a flat plane, and the heat exchange surface 3161 can be used to flatly fit and heat conduction connect with other components. Among them, the heat conduction connection between the heat exchange surface 3161 and other components includes abutment, bonding, etc. Among them, other components refer to components that are heat-conductingly connected to the heat exchange tube 31.

[0267] By adopting the above solution, the heat exchange tube 31 can be provided with a flat tube section 316, and the outer surface of the flat tube section 316 is provided with a heat exchange surface 3161, so as to be flatly attached and heat-conductingly connected with other components via the flat heat exchange surface 3161. Based on this, it is beneficial to improve the flatness of the attachment and the contact area between the heat exchange tube 31 and other components, thereby shortening the heat exchange path between the heat exchange tube 31 and other components, increasing the heat exchange area between the heat exchange tube 31 and other components, and enhancing the heat exchange effect of the heat exchange tube 31.

[0268] In addition, compared with the round tube section 315, since the flat tube section 316 has a smaller thickness in the direction perpendicular to the heat exchange surface 3161, the flat tube section 316 can pass through less heat transfer medium 50 (such as Figure 4 Furthermore, the flat tube section 316 can still directly exchange heat with other components via the heat exchange surface 3161, thereby optimizing the heat exchange effect.

[0269] See also Fig.15 , Fig.18 , Fig.19 In some embodiments of the present application, the flat tube segment 316 includes a first wall 3162, a second wall 3163, a third wall 3164, and a fourth wall 3165 which are connected end to end in sequence along the circumferential direction thereof. The first wall 3162 and the third wall 3164 are flat plate structures and are arranged parallel to each other. Along the circumferential direction of the flat tube segment 316, the extension length of the third wall 3164 is less than or equal to the extension length of the first wall 3162. The wall surface of the first wall 3162 facing away from the third wall 3164 is the heat exchange surface 3161.

[0270] It should be noted that at least one flat tube segment 316 includes a first wall 3162, a second wall 3163, a third wall 3164 and a fourth wall 3165, which are connected end to end in sequence along the circumference of the flat tube segment 316 and together form the tube wall of the flat tube segment 316. Any two connected walls can be connected by a fillet transition, or by a chamfer transition, or directly connected. The "circumferential direction" refers to the circumferential direction of the tube wall of the flat tube segment 316.

[0271] The first wall 3162 is a flat plate structure, the third wall 3164 is a flat plate structure, and the first wall 3162 and the third wall 3164 are arranged parallel to each other. The wall surface of the first wall 3162 facing away from the third wall 3164 is a plane, and the wall surface of the third wall 3164 facing away from the first wall 3162 is also a plane. Since the extension length of the third wall 3164 along the circumference of the flat tube section 316 is less than or equal to the extension length of the first wall 3162, the area of ​​the wall surface of the first wall 3162 facing away from the third wall 3164 will be greater than or equal to the area of ​​the wall surface of the third wall 3164 facing away from the first wall 3162. Based on this, the wall surface of the first wall 3162 facing away from the third wall 3164 can be used as a heat exchange surface 3161, which is used to flatly fit and heat-conductingly connect with other components, thereby increasing the contact area and heat exchange area between the flat tube section 316 and other components. The wall surface of the third wall 3164 facing away from the first wall 3162 can be used as a supporting surface to support and stabilize the posture of the entire flat tube section 316, especially the heat exchange surface 3161.

[0272] In which, based on the first wall 3162, the second wall 3163, the third wall 3164 and the fourth wall 3165 being connected end to end in sequence along the circumferential direction of the flat tube segment 316, and based on the extension length of the third wall 3164 being less than or equal to the extension length of the first wall 3162, the cross-sectional shape of the flat tube segment 316 can be a variety of shapes. Fig.18 In some embodiments, the second wall 3163 and the fourth wall 3165 are also flat plate structures, and along the circumference of the flat tube segment 316, the extension length of the third wall 3164 is less than the extension length of the first wall 3162. In this case, the cross-sectional shape of the flat tube segment 316 is an inverted trapezoid. Fig.15 , Fig.19 In some embodiments, the second wall 3163 and the fourth wall 3165 are arc-shaped structures, and along the circumference of the flat tube segment 316, the extension length of the third wall 3164 is equal to the extension length of the first wall 3162. In this case, the cross-sectional shape of the flat tube segment 316 is waist-shaped.

[0273] By adopting the above solution, the flat tube section 316 can be formed by the first wall 3162, the second wall 3163, the third wall 3164 and the fourth wall 3165 which are connected end to end in sequence along the circumference thereof, and the extension length of the third wall 3164 can be made less than or equal to the extension length of the first wall 3162 along the circumference thereof, so that the area of ​​the wall surface of the first wall 3162 away from the third wall 3164 is greater than or equal to the area of ​​the wall surface of the third wall 3164 away from the first wall 3162. Based on this, the wall surface of the flat tube section 316 away from the third wall 3164 can be used as the heat exchange surface 3161 of the first wall 3162, so as to be flatly attached and heat-conductingly connected with other components, thereby increasing the contact area and heat exchange area between the flat tube section 316 and the corresponding components. The flat tube section 316 can also use the wall surface of the third wall 3164 away from the first wall 3162 as a support surface to support and stabilize the entire flat tube section 316, especially the posture of the heat exchange surface 3161. This can help improve the heat exchange effect of the flat tube section 316.

[0274] Furthermore, since the heat exchange area of ​​the heat exchange surface 3161 is relatively large, the heat exchange surface 3161 will originally bear a relatively large pressure from the inside to the outside, and the pressure will be relatively concentrated at the center of the heat exchange surface 3161, causing the center of the heat exchange surface 3161 to bulge. Based on this, by adopting the above solution, the extension length of the third wall 3164 along the circumference of the flat tube segment 316 can be reduced to achieve the reduction of the comprehensive length of the second wall 3163, the third wall 3164 and the fourth wall 3165 along the circumference of the flat tube segment 316. In this way, the comprehensive pressure borne by the tube wall of the flat tube segment 316 can be reduced, and the pressure can be relatively diffused to reduce the risk of pressure concentration at the center of the heat exchange surface 3161, thereby improving the pressure resistance of the flat tube segment 316 and reducing the risk of the center of the heat exchange surface 3161 bulging due to pressure concentration.

[0275] See also Fig. 20 In some embodiments of the present application, the flat tube section 316 includes a fifth wall 3166 and a sixth wall 3167 which are connected end to end along its circumference. The fifth wall 3166 is a flat plate structure, the sixth wall 3167 is an arc structure, and the wall surface of the fifth wall 3166 facing away from the sixth wall 3167 is the heat exchange surface 3161.

[0276] It should be noted that at least one flat tube segment 316 includes a fifth wall 3166 and a sixth wall 3167, which are connected end to end in sequence along the circumferential direction of the flat tube segment 316 and together form the tube wall of the flat tube segment 316. The fifth wall 3166 and the sixth wall 3167 can be connected by a fillet transition, or by a chamfer transition, or directly connected. The "circumferential direction" refers to the circumferential direction of the tube wall of the flat tube segment 316.

[0277] The fifth wall 3166 is a flat plate structure, and the wall surface of the fifth wall 3166 facing away from the sixth wall 3167 is a plane, which can be used as a heat exchange surface 3161 for flatly fitting and heat-conductingly connecting with other components.

[0278] The sixth wall 3167 is an arc-shaped structure, which can reduce the extension length of the sixth wall 3167 along the circumference of the flat tube section 316. Based on this, the comprehensive pressure on the tube wall of the flat tube section 316 can be reduced, and the pressure can be relatively diffused on the fifth wall 3166 and the sixth wall 3167.

[0279] By adopting the above solution, the flat tube section 316 can be formed by the fifth wall 3166 and the sixth wall 3167 connected end to end in sequence along the circumferential direction thereof, and the fifth wall 3166 can be made into a flat plate structure so that the wall surface of the fifth wall 3166 away from the sixth wall 3167 is a plane. Based on this, the wall surface of the flat tube section 316 away from the sixth wall 3167 can be used as the heat exchange surface 3161 of the fifth wall 3166 for flatly fitting and heat-conducting connection with other components, thereby increasing the contact area and heat exchange area between the flat tube section 316 and the corresponding components, thereby facilitating improving the heat exchange effect of the flat tube section 316.

[0280] Furthermore, since the heat exchange area of ​​the heat exchange surface 3161 is relatively large, the heat exchange surface 3161 would originally bear a relatively large pressure from the inside to the outside, and the pressure would be relatively concentrated at the center of the heat exchange surface 3161, causing the center of the heat exchange surface 3161 to bulge. Based on this, by adopting the above solution, the flat tube segment 316 also reduces the extension length of the sixth wall 3167 along the circumference of the flat tube segment 316 by making the sixth wall 3167 an arc structure. In this way, the comprehensive pressure borne by the tube wall of the flat tube segment 316 can be reduced, and the pressure can be relatively diffused on the fifth wall 3166 and the sixth wall 3167, thereby improving the pressure resistance of the flat tube segment 316 and reducing the risk of bulging of the center of the heat exchange surface 3161 due to pressure concentration.

[0281] See also Fig.15 In some embodiments of the present application, the wall thickness of the heat exchange tube 31 is 0.2 mm to 5 mm.

[0282] It should be noted that the wall thickness of the heat exchange tube 31 is 0.2 mm to 5 mm, for example, 0.2 mm, 0.5 mm, 0.7 mm, 1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, 4.5 mm, 5.0 mm, etc.

[0283] By adopting the above scheme, the wall thickness of the heat exchange tube 31 can be set to 0.2 mm to 5 mm to enhance the structural strength of the tube wall of the heat exchange tube 31, thereby improving the pressure resistance and compression resistance of the heat exchange tube 31, enabling the heat exchange tube 31 to meet the pressure resistance requirements, reducing the risk of damage to the heat exchange tube 31, and extending the service life of the heat exchange tube 31.

[0284] See also Figure 2-Figure 5 , Figure 8-Figure 9 , Fig.12 , Fig.15 , Fig.17 Based on the above embodiments, the present application provides a specific example of a battery 1.

[0285] The battery 1 includes a housing 20 and a thermal management component 30. The housing 20 includes a substrate 221 and a frame 222, wherein the frame 222 is erected on the substrate 221 and arranged around the edge of the substrate 221. The thermal management component 30 is accommodated in the space enclosed by the substrate 221 and the frame 222. The thermal management component 30 includes at least two heat exchange tubes 31. Each heat exchange tube 31 is independently arranged, and each heat exchange tube 31 can be processed and bent as required, and each heat exchange tube 31 can be flexibly arranged in any area where heat exchange is required as required. Among them, some heat exchange tubes 31 are arranged on the inner side of the substrate 221, and some heat exchange tubes 31 are arranged on the inner side of the frame 222.

[0286] The battery 1 also includes a battery cell 10 and a power distribution device 40. The battery cell 10 and the power distribution device 40 are contained in the space enclosed by the substrate 221 and the frame 222, and are placed on each heat exchange tube 31 on the inner side of the substrate 221. Each heat exchange tube 31 on the inner side of the substrate 221 is thermally connected to the battery cell 10 and the power distribution device 40. The heat exchange tube 31 on the inner side of the frame 222 is also thermally connected to the area of ​​the battery cell 10 close to it. Based on this, the thermal management component 30 can achieve heat exchange with the substrate 221 and the frame 222 of the box 20 while also performing heat exchange with the battery cell 10 and the power distribution device 40, so that the thermal management component 30 can also form a better temperature regulation effect on multiple areas of the power distribution device 40 and the battery cell 10, which can improve the heat exchange effect and heat exchange efficiency of the thermal management component 30 on the power distribution device 40 and the battery cell 10.

[0287] Among them, the heat exchange tube 31 arranged on the substrate 221 is a first heat exchange tube 311. The first heat exchange tube 311 includes two first heat exchange parts 3111. The first heat exchange part 3111 includes a fourth heat exchange section 31115, a first heat exchange section 31112, a second heat exchange section 31113 and a third heat exchange section 31114 which are bent and connected in sequence. The first heat exchange section 31112 and the third heat exchange section 31114 are arranged at intervals along the first direction a. The fourth heat exchange section 31115 and the second heat exchange section 31113 are arranged at intervals along the second direction b. The end of the third heat exchange section 31114 away from the second heat exchange section 31113 is arranged at intervals along the second direction b with the fourth heat exchange section 31115. The first heat exchange section 3111 is bent to form an open ring area 31111. The gap between the end of the third heat exchange section 31114 away from the second heat exchange section 31113 and the fourth heat exchange section 31115 forms an opening of the open ring area 31111. The two first heat exchange parts 3111 are arranged symmetrically, and the two first heat exchange parts 3111 are connected through the fifth heat exchange section 3112. The first heat exchange tube 311 also includes a first inlet and outlet section 3113 and a second inlet and outlet section 3114. The first inlet and outlet section 3113 is connected to the end of one of the first heat exchange parts 3111 away from the fifth heat exchange section 3112, that is, connected to one end of one of the fourth heat exchange sections 31115 away from the first heat exchange section 31112. The second inlet and outlet section 3114 is connected to the end of another first heat exchange part 3111 away from the fifth heat exchange section 3112, that is, connected to one end of another fourth heat exchange section 31115 away from the first heat exchange section 31112. There are multiple first heat exchange tubes 311, and the multiple first heat exchange tubes 311 are arranged in sequence from the inside to the outside. The second direction b is arranged at an angle with the first direction a.

[0288] Based on this, each first heat exchange tube 311 can symmetrically arrange the two first heat exchange parts 3111 on the opposite sides of the substrate 221, so that the heat exchange medium flowing through the two first heat exchange parts 3111 can be used to uniformly exchange heat between the battery cells 10 arranged on the opposite sides of the substrate 221, thereby optimizing the layout of the bending path of the first heat exchange tube 311, and uniformizing the heat exchange effect of the first heat exchange tube 311 on the battery cells 10 corresponding to its first heat exchange part 3111, promoting the uniformity of temperature distribution in the battery 1, and enabling the thermal management component 30 to meet the heat exchange requirements of the battery 1. The multiple first heat exchange tubes 311 that are sequentially sleeved from the inside to the outside can adjust the spacing between two adjacent first heat exchange tubes 311 as needed according to the heat exchange requirements of different areas of the battery 1, and even adjust the flow rate and heat of the heat exchange medium flowing in each as needed to meet the heat exchange requirements of different areas. Thus, the plurality of first heat exchange tubes 311 can meet the heat exchange requirements of different areas of the battery 1 , promote the uniformity of temperature distribution in the battery 1 , and improve the comprehensive heat exchange effect of the plurality of first heat exchange tubes 311 .

[0289] The heat exchange tube 31 disposed in the frame 222 is a second heat exchange tube 312, and the second heat exchange tube 312 is provided with one. The second heat exchange tube 312 includes a third heat exchange part 3121, a third inlet and outlet section 3122, and a fourth inlet and outlet section 3123. The third inlet and outlet section 3122 is connected to one end of the third heat exchange part 3121, and the fourth inlet and outlet section 3123 is connected to the other end of the third heat exchange part 3121. The third heat exchange part 3121 includes a plurality of seventh heat exchange sections 31211 that are bent and connected in sequence. Each seventh heat exchange section 31211 is disposed on a different side of the frame 222. The third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are disposed together on one side of the frame 222, and are disposed on the opposite side of the seventh heat exchange section 31211. Based on this, the second heat exchange tube 312 can directly exchange heat with different sides of the frame 222 along the circumferential direction one by one through each seventh heat exchange segment 31211, and directly exchange heat with the side of the frame 222 where the seventh heat exchange segment 31211 and the third heat exchange part 3121 are not provided through the third inlet and outlet segment 3122 and the fourth inlet and outlet segment 3123. Based on this, it is convenient for the second heat exchange tube 312 to directly exchange heat with multiple sides of the frame 222 along the circumferential direction, and it is also convenient for the second heat exchange tube 312 to directly exchange heat with other components such as the battery unit 10 on multiple sides of the frame 222, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube 312, improving the heat exchange effect of the second heat exchange tube 312, and enabling the second heat exchange tube 312 to meet the heat exchange requirements of a specific area of ​​the battery 1.

[0290] The heat management component 30 also includes two pipe joints 32. One end of each heat exchange tube 31, including the first inlet and outlet section 3113 of each first heat exchange tube 311 and the third inlet and outlet section 3122 of the second heat exchange tube 312, is connected to one of the pipe joints 32. The other end of each heat exchange tube 31, including the second inlet and outlet section 3114 of each first heat exchange tube 311 and the fourth inlet and outlet section 3123 of the second heat exchange tube 312, is connected to the other pipe joint 32. Among them, the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are located on the side of the third heat exchange part 3121 close to the substrate 221, so that the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 can be connected to the pipe joint 32. Each heat exchange tube 31 is configured with a heat exchange flow channel 313 for flowing heat exchange medium. Based on this, the heat exchange medium can be easily diverted from one of the pipe joints 32 to the heat exchange flow channels 313 of each heat exchange tube 31, and finally converged to another pipe joint 32. Therefore, the thermal management component 30 can achieve heat exchange by controlling the heat of the heat exchange medium and by virtue of the thermal conductivity of the heat exchange tube 31, so that the thermal management component 30 can form a better temperature regulation effect on multiple areas of the battery 1, and can improve the heat exchange effect and heat exchange efficiency of the thermal management component 30.

[0291] Among them, most of the heat exchange tubes 31, especially the bending sections 317, are made of round tube sections 315. On the one hand, the round tube sections 315 are easy to process, bend, and form, which can help improve the layout flexibility of the heat exchange tubes 31, and can facilitate the heat exchange tubes 31 to be arranged flexibly in any area as needed. On the other hand, the round tube sections 315 have better pressure resistance, which can help improve the pressure resistance and pressure resistance of the heat exchange tubes 31, so that the heat exchange tubes 31 can meet the pressure resistance requirements, thereby reducing the risk of damage to the heat exchange tubes 31 and the thermal management components 30, and extending the service life of the heat exchange tubes 31 and the thermal management components 30.

[0292] Among them, the part of the heat exchange tube 31 used for heat conduction connection with the battery unit 10 or the power distribution device 40 adopts a flat tube section 316. The outer surface of the flat tube section 316 is provided with a heat exchange surface 3161. The heat exchange surface 3161 is used to fit the battery unit 10 or the power distribution device 40. Based on this, it is beneficial to improve the flatness and contact area of ​​the heat exchange tube 31 and the battery unit 10 (or the power distribution device 40), thereby shortening the heat exchange path, increasing the heat exchange area, and enhancing the heat exchange effect.

[0293] Among them, a part of the area between the box body 20 and the battery cell 10 is provided with a thermal conductive glue, which is a heat conductive medium 50. The thermal conductive glue can fix the box body 20 and the battery cell 10 to each other. The area of ​​the heat exchange tube 31 corresponding to the thermal conductive glue is buried in the thermal conductive glue, and the thermal conductive glue can fix the heat exchange tube 31 relative to the box body 20 and the battery cell 10, and can also conduct heat to the heat exchange tube 31, the box body 20 and the battery cell 10, thereby enhancing the heat exchange effect.

[0294] See also Figure 6-Figure 9 , Fig.12 , Fig.15 , Fig.17 Based on the above embodiments, the present application provides another specific example of a battery 1.

[0295] The battery 1 includes a box 20 and a thermal management component 30. The box 20 includes a substrate 221 and a frame 222, and the frame 222 is erected on the substrate 221 and arranged around the edge of the substrate 221. The thermal management component 30 is arranged outside the box 20. The thermal management component 30 includes at least two heat exchange tubes 31. Each heat exchange tube 31 is arranged independently of each other, and each heat exchange tube 31 can be processed and bent as required, and each heat exchange tube 31 can be flexibly arranged in any area where heat exchange is required as required. Among them, some heat exchange tubes 31 are arranged on the outside of the substrate 221, and some heat exchange tubes 31 are arranged on the outside of the frame 222. The battery 1 also includes a battery cell 10 and a power distribution device 40. The battery cell 10 and the power distribution device 40 are accommodated in the space enclosed by the substrate 221 and the frame 222. The box body 20 can be used as a heat-conducting component to facilitate the thermal management component 30 to conduct heat through the box body 20, and indirectly dissipate heat and keep warm the battery cell 10 and other components in the box body 20, thereby optimizing the heat exchange effect and heat exchange efficiency of the thermal management component 30 on the battery cell 10 and other components in the box body 20.

[0296] Among them, the heat exchange tube 31 arranged on the substrate 221 is a first heat exchange tube 311. The first heat exchange tube 311 includes two first heat exchange parts 3111. The first heat exchange part 3111 includes a fourth heat exchange section 31115, a first heat exchange section 31112, a second heat exchange section 31113 and a third heat exchange section 31114 which are bent and connected in sequence. The first heat exchange section 31112 and the third heat exchange section 31114 are arranged at intervals along the first direction a. The fourth heat exchange section 31115 and the second heat exchange section 31113 are arranged at intervals along the second direction b. The end of the third heat exchange section 31114 away from the second heat exchange section 31113 is arranged at intervals along the second direction b with the fourth heat exchange section 31115. The first heat exchange section 3111 is bent to form an open ring area 31111. The gap between the end of the third heat exchange section 31114 away from the second heat exchange section 31113 and the fourth heat exchange section 31115 forms an opening of the open ring area 31111. The two first heat exchange parts 3111 are arranged symmetrically, and the two first heat exchange parts 3111 are connected through the fifth heat exchange section 3112. The first heat exchange tube 311 also includes a first inlet and outlet section 3113 and a second inlet and outlet section 3114. The first inlet and outlet section 3113 is connected to the end of one of the first heat exchange parts 3111 away from the fifth heat exchange section 3112, that is, connected to one end of one of the fourth heat exchange sections 31115 away from the first heat exchange section 31112. The second inlet and outlet section 3114 is connected to the end of another first heat exchange part 3111 away from the fifth heat exchange section 3112, that is, connected to one end of another fourth heat exchange section 31115 away from the first heat exchange section 31112. There are multiple first heat exchange tubes 311, and the multiple first heat exchange tubes 311 are arranged in sequence from the inside to the outside. The second direction b is arranged at an angle with the first direction a.

[0297] Based on this, each first heat exchange tube 311 can symmetrically arrange the two first heat exchange parts 3111 on the opposite sides of the substrate 221, so as to facilitate the heat exchange of the opposite sides of the substrate 221 uniformly through the heat exchange medium flowing in the two first heat exchange parts 3111, thereby optimizing the layout of the bending path of the first heat exchange tube 311, and uniformizing the heat exchange effect of the first heat exchange tube 311 on the substrate 221 and the battery unit 10 on the substrate 221, promoting the uniformity of temperature distribution in the battery 1, and enabling the thermal management component 30 to meet the heat exchange requirements of the battery 1. The multiple first heat exchange tubes 311 that are sequentially sleeved from the inside to the outside can adjust the distance between two adjacent first heat exchange tubes 311 as needed according to the heat exchange requirements of different areas of the battery 1, and even adjust the flow rate and heat of the heat exchange medium flowing in each as needed to meet the heat exchange requirements of different areas. Thus, the plurality of first heat exchange tubes 311 can meet the heat exchange requirements of different areas of the battery 1 , promote the uniformity of temperature distribution in the battery 1 , and improve the comprehensive heat exchange effect of the plurality of first heat exchange tubes 311 .

[0298] The heat exchange tube 31 disposed in the frame 222 is a second heat exchange tube 312, and the second heat exchange tube 312 is provided with one. The second heat exchange tube 312 includes a third heat exchange part 3121, a third inlet and outlet section 3122, and a fourth inlet and outlet section 3123. The third inlet and outlet section 3122 is connected to one end of the third heat exchange part 3121, and the fourth inlet and outlet section 3123 is connected to the other end of the third heat exchange part 3121. The third heat exchange part 3121 includes a plurality of seventh heat exchange sections 31211 that are bent and connected in sequence. Each seventh heat exchange section 31211 is disposed on a different side of the frame 222. The third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are disposed together on one side of the frame 222, and are disposed on the opposite side of the seventh heat exchange section 31211. Based on this, the second heat exchange tube 312 can directly exchange heat with different sides of the frame 222 along the circumferential direction one by one through each seventh heat exchange segment 31211, and directly exchange heat with the side of the frame 222 where the seventh heat exchange segment 31211 and the third heat exchange part 3121 are not provided through the third inlet and outlet segment 3122 and the fourth inlet and outlet segment 3123. Based on this, it is convenient for the second heat exchange tube 312 to directly exchange heat with multiple sides of the frame 222 along the circumferential direction, so that through the heat conduction of the frame 222, it is convenient for the second heat exchange tube 312 to indirectly exchange heat with the battery unit 10 and the like close to the frame 222 on multiple sides of the frame 222, thereby expanding the heat exchange range and heat exchange area of ​​the second heat exchange tube 312, improving the heat exchange effect of the second heat exchange tube 312, and enabling the second heat exchange tube 312 to meet the heat exchange requirements of a specific area of ​​the battery 1.

[0299] The heat management component 30 also includes two pipe joints 32. One end of each heat exchange tube 31, including the first inlet and outlet section 3113 of each first heat exchange tube 311 and the third inlet and outlet section 3122 of the second heat exchange tube 312, is connected to one of the pipe joints 32. The other end of each heat exchange tube 31, including the second inlet and outlet section 3114 of each first heat exchange tube 311 and the fourth inlet and outlet section 3123 of the second heat exchange tube 312, is connected to the other pipe joint 32. Among them, the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 are located on the side of the third heat exchange part 3121 close to the substrate 221, so that the third inlet and outlet section 3122 and the fourth inlet and outlet section 3123 can be connected to the pipe joint 32. Each heat exchange tube 31 is configured with a heat exchange flow channel 313 for flowing heat exchange medium. Based on this, the heat exchange medium can be easily diverted from one of the pipe joints 32 to the heat exchange flow channels 313 of each heat exchange tube 31, and finally converged to another pipe joint 32. Therefore, the thermal management component 30 can control the heat of the heat exchange medium and realize heat exchange with the substrate 221 and the frame 222 of the box 20 by means of the thermal conductivity of the heat exchange tube 31, so that the thermal management component 30 can form a better temperature regulation effect on multiple areas of the box 20, and can improve the heat exchange effect and heat exchange efficiency of the thermal management component 30 on the box 20.

[0300] Among them, most of the heat exchange tubes 31, especially the bending sections 317, are made of round tube sections 315. On the one hand, the round tube sections 315 are easy to process, bend, and form, which can help improve the layout flexibility of the heat exchange tubes 31, and can facilitate the heat exchange tubes 31 to be arranged flexibly in any area as needed. On the other hand, the round tube sections 315 have better pressure resistance, which can help improve the pressure resistance and pressure resistance of the heat exchange tubes 31, so that the heat exchange tubes 31 can meet the pressure resistance requirements, thereby reducing the risk of damage to the heat exchange tubes 31 and the thermal management components 30, and extending the service life of the heat exchange tubes 31 and the thermal management components 30.

[0301] The portion of the heat exchange tube 31 that needs to be fitted and connected to the box body 20 uses a flat tube section 316. The outer surface of the flat tube section 316 is provided with a heat exchange surface 3161. The heat exchange surface 3161 is used to fit the box body 20. Based on this, it is beneficial to improve the fitting flatness and contact area between the heat exchange tube 31 and the box body 20, thereby shortening the heat exchange path, increasing the heat exchange area, and enhancing the heat exchange effect.

[0302] The outer surface of the frame 222 is provided with a groove 23, and the outer surface of the substrate 221 is also provided with a groove 23. The heat exchange tubes 31 corresponding to the grooves 23 are all arranged in the grooves 23. Based on this, the heat exchange tubes 31 arranged in the grooves 23 can share space with the box 20, thereby compressing the occupied space of the thermal management component 30, and can improve the space utilization and energy density of the battery 1 to a certain extent.

[0303] Furthermore, a heat conductive glue may be provided in the groove 23, and the heat conductive glue is a heat conductive medium 50. The area of ​​the heat exchange tube 31 corresponding to the heat conductive glue is buried in the heat conductive glue, and the heat conductive glue can fix the heat exchange tube 31 relative to the groove 23 and the box body 20, and can also conduct heat between the heat exchange tube 31 and the box body 20, thereby enhancing the heat exchange effect.

[0304] See also Figure 1 , Figure 2 Some embodiments of the present application provide an electrical device, which includes a battery 1 provided in an embodiment of the present application.

[0305] By adopting the above solution, the electrical device can improve the performance and safety of the electrical device by applying the battery 1 provided in the embodiment of the present application.

[0306] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A battery, characterized in that: The battery comprises: Box; A battery unit is contained in the box; The heat management component includes a heat exchange tube, which is bent and cooperates with the battery unit for heat exchange.

2. The battery according to claim 1, characterized in that The thermal management component is disposed inside the box; or, the thermal management component is disposed outside the box.

3. The battery according to claim 1, characterized in that The box body comprises a base plate and a frame body, wherein the base plate is used to support the battery unit, and the frame body is vertically arranged on the base plate and arranged around the edge of the base plate; At least one of the heat exchange tubes is disposed on the substrate, and / or at least one of the heat exchange tubes is disposed on the frame.

4. The battery according to claim 3, characterized in that The heat exchange tube disposed on the substrate is a first heat exchange tube. The first heat exchange tube includes a first heat exchange portion. The first heat exchange portion is bent to form an open ring area.

5. The battery according to claim 4, characterized in that The first heat exchange portion includes a first heat exchange section, a second heat exchange section and a third heat exchange section which are bent and connected in sequence, and the first heat exchange section and the third heat exchange section are spaced apart along a first direction.

6. The battery according to claim 5, characterized in that The first heat exchange portion also includes a fourth heat exchange section, which is spaced apart from the second heat exchange section along the second direction and is bent and connected to an end of the first heat exchange section away from the second heat exchange section. The end of the third heat exchange section away from the second heat exchange section is spaced apart from the fourth heat exchange section along the second direction, and the second direction is arranged at an angle to the first direction.

7. The battery according to claim 4, characterized in that The first heat exchange tube is provided with two first heat exchange parts, the two first heat exchange parts are symmetrically arranged, and the two first heat exchange parts are connected through a fifth heat exchange section.

8. The battery according to claim 7, characterized in that The first heat exchange tube also includes a first inlet and outlet section and a second inlet and outlet section, the first inlet and outlet section is connected to the end of one of the first heat exchange parts away from the fifth heat exchange section, and the second inlet and outlet section is connected to the end of another first heat exchange part away from the fifth heat exchange section.

9. The battery according to claim 7, characterized in that There are a plurality of the first heat exchange tubes, and the plurality of the first heat exchange tubes are sequentially sleeved from the inside to the outside.

10. The battery according to claim 4, characterized in that The first heat exchange tube further includes a second heat exchange portion, which is bent and disposed in the open ring area and is bent and connected to the first heat exchange portion.

11. The battery according to claim 5, characterized in that The first heat exchange tube further includes a second heat exchange portion, which is bent and disposed in the open ring area, and the second heat exchange portion is bent and connected to an end of the first heat exchange section away from the second heat exchange section.

12. The battery according to claim 5, characterized in that The first heat exchange tube further includes a second heat exchange portion, which is bent and disposed in the open ring area, and the second heat exchange portion is bent and connected to an end of the third heat exchange section away from the second heat exchange section.

13. The battery according to claim 10, characterized in that The second heat exchange portion includes a plurality of sixth heat exchange segments, which are arranged at intervals and are bent and connected in sequence.

14. The battery according to claim 13, characterized in that The plurality of sixth heat exchange sections are arranged at intervals along the first direction, each of the sixth heat exchange sections is extended linearly along the second direction, and the first direction and the second direction are arranged at an angle.

15. The battery according to claim 10, characterized in that The first heat exchange tube also includes a first inlet and outlet section and a second inlet and outlet section. One end of the first heat exchange part is bent and connected to one end of the second heat exchange part. The first inlet and outlet section is connected to the other end of the first heat exchange part, and the second inlet and outlet section is connected to the other end of the second heat exchange part.

16. The battery according to claim 10, characterized in that Two first heat exchange tubes are provided, and the two first heat exchange tubes are respectively arranged on two opposite sides of the substrate.

17. The battery according to any one of claims 3 to 16, characterized in that The heat exchange tube arranged in the frame is a second heat exchange tube. The second heat exchange tube is provided in one and is bent to pass through at least two sides of the frame along the circumferential direction.

18. The battery according to claim 17, characterized in that The second heat exchange tube includes a third heat exchange part, a third inlet and outlet section and a fourth inlet and outlet section. The third inlet and outlet section is connected to one end of the third heat exchange part, and the fourth inlet and outlet section is connected to the other end of the third heat exchange part.

19. The battery according to claim 18, characterized in that The third heat exchange part includes a plurality of seventh heat exchange sections that are bent and connected in sequence, and each of the seventh heat exchange sections is arranged on a different side of the frame body. The third inlet and outlet section and the fourth inlet and outlet section are jointly arranged on one side of the frame body and are arranged on the opposite side of the seventh heat exchange section.

20. The battery according to claim 18, characterized in that The third inlet and outlet section and the fourth inlet and outlet section are located on a side of the third heat exchange portion close to the substrate.

21. The battery according to any one of claims 1 to 16, characterized in that The heat management component includes two pipe joints; one end of the heat exchange tube is connected to one of the pipe joints, and the other end of the heat exchange tube is connected to the other pipe joint.

22. The battery according to claim 21, characterized in that The pipe joint is provided with pipe interfaces which are arranged in the same amount as the heat exchange tubes, and the corresponding ends of the heat exchange tubes are connected to the pipe interfaces one by one; Alternatively, the pipe joint is provided with a pipe interface, and the corresponding ends of the heat exchange tubes are centrally connected to the pipe interface.

23. The battery according to any one of claims 1 to 16, characterized in that The box body is provided with at least one groove for at least part of the heat exchange tube to be embedded therein.

24. The battery according to any one of claims 1 to 16, characterized in that The battery comprises a heat-conducting medium, and at least a portion of at least one of the heat exchange tubes is embedded in the heat-conducting medium.

25. The battery according to any one of claims 1 to 16, characterized in that The heat exchange tube is configured with a heat exchange channel, in which a separation rib is provided. The separation rib is extended along the extension direction of the heat exchange channel.

26. The battery according to any one of claims 1 to 16, characterized in that The heat exchange tube comprises a circular tube section.

27. The battery according to claim 26, characterized in that The circular tube section includes a bending section, and a bending radius of the bending section is greater than or equal to a radius of a cross section of the bending section.

28. The battery according to any one of claims 1 to 16, characterized in that The heat exchange tube comprises a flat tube section, and the outer surface of the flat tube section is provided with a planar heat exchange surface.

29. The battery according to claim 28, characterized in that The flat tube segment includes a first wall, a second wall, a third wall and a fourth wall which are connected end to end in sequence along its circumference; the first wall and the third wall are flat plate structures and are arranged parallel to each other; along the circumference of the flat tube segment, the extension length of the third wall is less than or equal to the extension length of the first wall; the wall surface of the first wall facing away from the third wall is the heat exchange surface.

30. The battery according to claim 28, characterized in that The flat tube section includes a fifth wall and a sixth wall which are connected end to end in sequence along its circumferential direction. The fifth wall is a flat plate structure, the sixth wall is an arc structure, and the wall surface of the fifth wall facing away from the sixth wall is the heat exchange surface.

31. An electrical device, characterized in that: The electrical device comprises a battery as claimed in any one of claims 1 to 30.

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