Heat exchange part, battery heat exchange system and vehicle

Abstract

The utility model relates to a heat exchange piece, a battery heat exchange system and a vehicle, the heat exchange piece is applied to a single battery, the heat exchange piece is installed on the side face of the single battery, the heat exchange piece is provided with a heat exchange flow channel, the heat exchange flow channel comprises a plurality of first heat exchange sub-flow channels and a plurality of second heat exchange sub-flow channels, the first heat exchange sub-flow channels are arranged in the height direction of the single battery, and the second heat exchange sub-flow channels are arranged in the height direction of the single battery. Every two adjacent first heat exchange sub-flow channels communicate with each other through a second heat exchange sub-flow channel so that the heat exchange medium can sequentially pass through the two adjacent first heat exchange sub-flow channels. According to the technical scheme, the flow uniformity of the heat exchange medium in the heat exchange piece is better, and the temperature uniformity of the heat exchange piece is improved.

Description

Technical Field

[0001] The present application relates to the technical field of batteries, and particularly to a heat exchange component, a battery heat exchange system and a vehicle. Background Art

[0002] In related technologies, a flow channel is usually constructed by a corrugated plate, and a cooling medium flows in or out of the flow channel to perform thermal management on the battery. The flow channels in the corrugated plate usually extend in the horizontal direction, and the individual flow channels are independent and not interconnected with each other. By providing a current collector cooperating with it, the entry and exit of the cooling medium are achieved.

[0003] However, since the individual flow channels are independent and not interconnected with each other, the uniformity of the cooling medium in the flow channels of the corrugated plate is poor, resulting in poor temperature uniformity of the cooling plate. Summary of the Utility Model

[0004] Embodiments of the present application provide a heat exchange component, a battery heat exchange system and a vehicle, which improve the uniformity of the heat exchange medium to at least partially solve the above technical problems.

[0005] To achieve the above object, according to the first aspect of the present application, a heat exchange component is provided, including: The heat exchange component is applied to a battery cell, the heat exchange component is installed on the side of the battery cell, the heat exchange component is provided with a heat exchange flow channel, the heat exchange flow channel includes a plurality of first heat exchange sub-channels and second heat exchange sub-channels, the plurality of first heat exchange sub-channels are arranged along the height direction of the battery cell, and two adjacent first heat exchange sub-channels are connected through a second heat exchange sub-channel, so that a heat exchange medium sequentially passes through two adjacent first heat exchange sub-channels.

[0006] According to the second aspect of the present application, a battery heat exchange system is further provided, including the heat exchange component as described above.

[0007] According to the third aspect of the present application, a vehicle is further provided, including the heat exchange component or the battery heat exchange system as described above.

[0008] In the heat exchange component of the embodiments of the present application, a heat exchange flow channel is provided for the heat exchange medium to flow. The plurality of first heat exchange sub-channels are arranged along the height direction of the battery cell, and two adjacent first heat exchange sub-channels are connected through a second heat exchange sub-channel, so that the heat exchange medium sequentially passes through two adjacent first heat exchange sub-channels, making the flow uniformity of the heat exchange medium in the heat exchange component better and improving the temperature uniformity of the heat exchange component.

[0009] Other features and advantages of the present application will be described in detail in the subsequent specific implementation part. Brief Description of the Drawings

[0010] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0011] To more fully understand the present application and its beneficial effects, the following will be described in conjunction with the accompanying drawings, where the same reference numerals represent the same parts in the following description.

[0012] Figure 1 is a schematic structural diagram of the first embodiment of the battery heat exchange system provided in the exemplary embodiment of the present disclosure;

[0013] Figure 2 is Figure 1 a schematic structural diagram of the first embodiment of the heat exchange component in;

[0014] Figure 3 is Figure 1 a schematic structural diagram of the second embodiment of the heat exchange component in;

[0015] Figure 4 is Figure 3 an enlarged schematic diagram of part A in;

[0016] Figure 5 is Figure 1 a schematic structural diagram of the third embodiment of the heat exchange component in;

[0017] Figure 6 is Figure 5 an enlarged schematic diagram of part B in;

[0018] Figure 7 is a schematic structural diagram of the second embodiment of the battery heat exchange system provided in the exemplary embodiment of the present disclosure.

[0019] Description of reference numerals:

[0020] 10. Battery; 11. First side; 13. First end; 15. Second end; 17. Second side; 101. Battery cell; 103. Thermal conductive adhesive;

[0021] 20. Heat exchange component; 21. Heat exchange flow channel; 211. First heat exchange sub-channel; 213. Second heat exchange sub-channel;

[0022] 30. First heat exchange member; 31. First heat exchange tube; 310. First opening; 350. Second opening; 33. Second heat exchange tube;

[0023] 401, First manifold; 403, Second manifold; 405, Third manifold; 407, Fourth manifold; 4011, Fifth opening; 4013, Sixth opening; 4015, First connection end; 4031, Seventh opening; 4033, Eighth opening; 4035, Second connection end; 4051, Ninth opening; 4053, Tenth opening; 4055, Third connection end; 4071, Eleventh opening; 4073, Twelfth opening; 4075, Fourth connection end;

[0024] 50, Second heat exchanger; 51, Fourth heat exchange tube; 510, Third opening; 550, Fourth opening; 53, Fifth heat exchange tube;

[0025] 70, Heat dissipation component;

[0026] 91, First connection structure; 93, Second connection structure; 95, Third connection structure; 97, Fourth connection structure. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application.

[0028] The thermal management technology of batteries can be divided into liquid cooling technology, direct cooling technology, and direct heating technology.

[0029] In liquid cooling technology, antifreeze is often used as the heat exchange medium. The antifreeze can specifically be ethylene glycol, water / ethylene glycol mixed solution, liquid water, propylene glycol, etc.

[0030] In direct cooling technology and direct heating technology, refrigerant is often used as the heat exchange medium. The heat exchange media involved in direct cooling systems and direct heating technology can be: CO2, R134a, etc. CO2, R134a, etc. can absorb or release heat during the phase change process, thereby reducing the temperature of the battery or increasing the temperature of the battery.

[0031] In related technologies, usually one of liquid cooling technology, direct cooling technology, and direct heating technology is used for battery thermal management. When it is necessary to change different thermal management technologies, usually the original pipelines cannot be shared, and whether it is for the pipelines of liquid cooling technology, direct cooling technology, or direct heating technology, there are problems of poor uniformity of the heat exchange medium in the pipeline, poor temperature uniformity, and poor heat exchange effect.

[0032] Among them, R134a is a commonly used refrigerant with the chemical name 1,1,1,2 - tetrafluoroethane. The temperature uniformity refers to the property that when it exchanges heat with components, it can make the temperature distribution in the entire heat - exchange area as uniform as possible. Good temperature uniformity is very important for the stable operation and life extension of components such as batteries. If the temperature uniformity of the heat - exchange plate is poor, it may lead to too high or too low local temperatures. The high - temperature area may affect the component performance, reduce the life, and even cause safety problems, while the low - temperature area may result in energy waste and reduced system efficiency.

[0033] In a first aspect, an embodiment of the present application provides a heat - exchange component. Please refer to Figure 1 , the heat - exchange component is applied to the battery cell 101 and is used for heat - exchanging with the battery cell 101. Each battery cell 101 has a side surface. The heat - exchange component is installed on the side surface of the battery cell 101, and the heat - exchange component is provided with a heat - exchange flow channel 21 for the heat - exchange medium to flow through. Among them, the heat - exchange component is applicable to liquid - cooling technology, direct - cooling technology, and direct - heating technology, and the heat - exchange medium can be ethylene glycol, water / ethylene glycol mixed solution, liquid water, propylene glycol, CO2, R134a, etc.

[0034] Please refer to Figure 2 , the heat - exchange flow channel 21 includes a plurality of first heat - exchange sub - channels 211 and second heat - exchange sub - channels 213. The plurality of first heat - exchange sub - channels 211 are arranged along the height direction of the battery cell 101 (that is, the plurality of first heat - exchange sub - channels 211 are arranged vertically up and down) to facilitate the flow of the heat - exchange medium between the plurality of first heat - exchange sub - channels 211.

[0035] Two adjacent first heat - exchange sub - channels 211 are connected by a second heat - exchange sub - channel 213 to enable the heat - exchange medium to sequentially pass through two adjacent first heat - exchange sub - channels 211. The first heat - exchange sub - channels 211 and the second heat - exchange sub - channels 213 are interconnected, making the flow uniformity of the heat - exchange medium in the heat - exchange component better and improving the temperature uniformity of the heat - exchange component.

[0036] The heat - exchange component in the present application is applicable to liquid - cooling technology, direct - cooling technology, and direct - heating technology.

[0037] When it is necessary to adopt liquid - cooling technology for battery thermal management, a heat - exchange medium such as ethylene glycol, water / ethylene glycol mixed solution, liquid water, propylene glycol, etc. is introduced into the heat - exchange flow channel 21 of the heat - exchange component, and the heat of the battery cell 101 is taken away by forced convection of the liquid flow. In liquid - cooling technology, the heat - exchange medium enters from the upper part and exits from the lower part, that is, the heat - exchange medium is introduced into the first heat - exchange sub - channel 211 located above and flows out from the first heat - exchange sub - channel 211 located below. Under the action of gravity, the heat - exchange medium can flow from the first heat - exchange sub - channel 211 located above to the first heat - exchange sub - channel 211 located below.

[0038] When direct cooling technology needs to be adopted or for thermal management of direct heating technology batteries, a liquid heat exchange medium, such as CO2, R134a, etc., is introduced into the heat exchange flow channel 21 of the heat exchange component.

[0039] In the direct cooling technology, the heat exchange medium enters from the bottom and exits from the top, that is, the liquid heat exchange medium is introduced into the first heat exchange sub-channel 211 located below and flows out from the first heat exchange sub-channel 211 located above. The liquid heat exchange medium introduced into the first heat exchange sub-channel 211 located below is vaporized after being heated, and the gas will move towards the first heat exchange sub-channel 211 located above, and then flow out from the first heat exchange sub-channel 211 located above.

[0040] In the direct heating technology, the heat exchange medium enters from the top and exits from the bottom, that is, the gaseous heat exchange medium is introduced into the first heat exchange sub-channel 211 located above and flows out from the first heat exchange sub-channel 211 located below. The gaseous heat exchange medium introduced into the first heat exchange sub-channel 211 located above is liquefied after releasing heat, and the liquefied heat exchange medium will move towards the first heat exchange sub-channel 211 located below, and then flow out from the first heat exchange sub-channel 211 located below.

[0041] The heat exchange component provided in the implementation of this application can be applied to liquid cooling technology, direct cooling technology, and direct heating technology. When different technologies need to be changed, there is no need to replace the pipeline, and it has good versatility and good temperature uniformity.

[0042] Please refer to Figure 2 , in some embodiments, the heat exchange flow channel 21 includes three first heat exchange sub-channels 211 arranged along the height direction of the battery cell 101 and two second heat exchange sub-channels 213. Each first heat exchange sub-channel 211 extends along the length direction of the battery cell 101, and the two second heat exchange sub-channels 213 are arranged along the height direction of the battery cell 101, and the two second heat exchange sub-channels 213 are respectively located at opposite ends of the battery cell 101. Thus, the heat exchange medium can flow between opposite ends of the battery cell 101 to fully heat the battery 10.

[0043] Please refer to Figure 1 , in some embodiments, the heat exchange component can be connected to the side of the battery cell 101 through the thermal conductive adhesive 103. The thermal conductive adhesive 103 has good thermal conductivity, can tightly connect the heat exchange component 20 and the battery cell 101, and also has the effect of increasing the heat dissipation area.

[0044] Please refer to Figure 2, a plurality of first heat exchange sub-channels 211 are parallel to each other, and the extending direction of the second heat exchange sub-channel 213 is perpendicular to the extending direction of the first heat exchange sub-channel 211. In some embodiments, the extending directions of the plurality of first heat exchange sub-channels 211 are parallel, and the extending direction of the second heat exchange sub-channel 213 is perpendicular to the extending direction of the first heat exchange sub-channel 211. For example, the plurality of first heat exchange sub-channels 211 may all extend in the horizontal direction. The extending direction of the second heat exchange sub-channel 213 is perpendicular to the extending direction of the first heat exchange sub-channel 211, and the heat exchange medium can flow rapidly between the first heat exchange sub-channel 211 and the second heat exchange sub-channel 213, resulting in better heat exchange effect.

[0045] In a second aspect, an embodiment of the present application provides a battery heat exchange system. The battery heat exchange system includes a battery 10 and a heat exchange component 20. Among them, the battery 10 includes a plurality of battery cells 101; the battery 10 includes a first side 11 and a second side 17 which are oppositely arranged. It is easy to understand that the plurality of battery cells 101 are arranged in sequence to form the battery 10, and the two outer-facing surfaces of the two outermost battery cells 101 are the first side 11 and the second side 17 respectively.

[0046] The heat exchange component 20 of the battery heat exchange system includes a plurality of the above-mentioned heat exchange elements. The heat exchange elements can be installed on the first side 11 and / or the second side 17. For example, a heat exchange element is installed on the first side 11. For example, a heat exchange element is installed on the second side 17. For example, a heat exchange component 20 is installed on the first side 11, and at the same time another heat exchange element is installed on the second side 17.

[0047] In some embodiments, a heat exchange element is installed on the first side 11, and another heat exchange element is installed on the second side 17. A heat exchange element is respectively arranged on the opposite first side 11 and second side 17 of the battery 10 to cool the battery 10 by heat exchange.

[0048] The battery 10 includes a first side 11 and a second side 17 which are oppositely arranged. The battery 10 further includes a first end 13 and a second end 15 which are oppositely arranged. The first side 11 and the second side 17 both extend from the first end 13 to the second end 15. Among them, the battery 10 has a length direction, a width direction and a height direction. Figure 1The length direction, width direction, and height direction of the battery 10 are shown. The length direction, width direction, and height direction of the battery cell 101 are the same as the length direction, width direction, and height direction of the battery 10 respectively. The first end 13 and the second end 15 are arranged along the length direction of the battery 10, and the first side 11 and the second side 17 are arranged along the width direction of the battery 10. Both the first side 11 and the second side 17 extend along the length direction of the battery 10. Among them, the arrangement direction of the multiple battery cells 101 is the same as the width direction of the battery 10, and the arrangement direction of the multiple battery cells 101 is perpendicular to the length direction of the battery 10. The extending direction of the side of the battery cell 101 is the same as the length direction of the battery 10.

[0049] Each of the first heat exchange sub-channels 211 extends from the first end 13 to the second end 15, so that the heat exchange medium can flow between the first end 13 and the second end 15 and fully exchange heat with the battery 10.

[0050] The multiple first heat exchange sub-channels 211 are arranged along the height direction of the battery 10, and two adjacent first heat exchange sub-channels 211 are connected by a second heat exchange sub-channel 213, so that the heat exchange medium sequentially passes through two adjacent first heat exchange sub-channels 211, making the flow uniformity of the heat exchange medium in the heat exchange assembly 20 better and improving the temperature uniformity of the heat exchange assembly 20.

[0051] The arrangement direction of the multiple battery cells 101 is perpendicular to the side of the battery cell 101, and multiple heat exchange components are arranged along the arrangement direction of the battery cells. At least one heat exchange component is arranged between two adjacent battery cells. In this way, heat exchange and cooling of the battery can be carried out more fully.

[0052] At least one heat exchange assembly 20 is located between two adjacent battery cells 101. In some embodiments, the heat exchange assembly 20 is installed on the first side 11 and / or the second side 17, and at least one heat exchange assembly 20 is located between two adjacent battery cells 101, so as to exchange heat with the side part of the battery 10 and the inside of the battery 10 (between the two battery cells 101 of the battery 10). It should be noted that at least one heat exchange assembly 20 being located between two adjacent battery cells 101 does not only mean the case where at least one heat exchange assembly 20 is arranged between any two adjacent battery cells 101. It also includes the case where at least one heat exchange assembly 20 is arranged between some adjacent two battery cells 101, while there is no heat exchange assembly 20 arranged between some other adjacent two battery cells 101.

[0053] In some embodiments, the arrangement direction of the plurality of battery cells is perpendicular to the side surface of the battery cell, the plurality of heat exchange components are arranged along the arrangement direction of the battery cells, and at least one battery cell is disposed between two adjacent heat exchange components. It should be noted that at least one battery cell being disposed between two adjacent heat exchange components does not merely mean that there is at least one battery cell disposed between any two adjacent heat exchange components. It also includes the case where at least one battery cell is disposed between some adjacent two heat exchange components, while there is no battery cell disposed between some other adjacent two heat exchange components. For example, one battery cell 101 may be disposed between two adjacent heat exchange components 20. For another example, the heat exchange component 20 is installed on the first side surface 11, and at the same time the heat exchange component 20 is installed on the second side surface 17, and two or more battery cells 101 may also be disposed between two adjacent heat exchange components 20.

[0054] In some embodiments, please refer to Figure 7 , one heat exchange component 20 is installed on the first side surface 11, and at the same time another heat exchange component 20 is installed on the second side surface 17, and one heat exchange component 20 is provided between any two adjacent battery cells 101.

[0055] Please refer to Figure 3 and Figure 5 , in some embodiments, for ease of description, the plurality of heat exchange components 20 may include a first heat exchange component 30 and a second heat exchange component 50. Figure 3 The structure of the first heat exchange component 30 is shown in Figure 5 , and the structure of the second heat exchange component 50 is shown in

[0056] Please refer to Figure 3 and Figure 4 , the first heat exchange component 30 includes a plurality of first heat exchange tubes 31, the first heat exchange component 30 further includes a second heat exchange tube 33, each first heat exchange tube 31 is provided with a first heat exchange sub-channel 211, each second heat exchange tube 33 is provided with a second heat exchange sub-channel 213, and the second heat exchange tube 33 is disposed on the side close to the second end 15 or the first end 13. The second heat exchange tube 33 is disposed close to the second end 15 or the first end 13, so as to be able to fully exchange heat for the second end 15 or the first end 13. The plurality of first heat exchange sub-channels 211 may be arranged in parallel, so as to be able to fully contact the battery 10 in the length direction of the battery 10, and have a good heat exchange effect. Among them, the first heat exchange component 30 may be a round tube or a flat tube structure, with simple process and low cost.

[0057] Please combine with Figure 5 and Figure 6 , the second heat exchange member 50 includes a plurality of fourth heat exchange tubes 51 and fifth heat exchange tubes 53. Each fourth heat exchange tube 51 is provided with a first heat exchange sub-channel 211, and each fifth heat exchange tube 53 is provided with a second heat exchange sub-channel 213. Along the height direction of the battery cell 101, any adjacent second heat exchange tube 33 and fifth heat exchange tube 53 are located at opposite ends of the battery 10. By separately arranging the fifth heat exchange tube 53 and the second heat exchange tube 33 at opposite ends of the battery 10 and cooperating with the first heat exchange sub-channel 211 extending from the first end 13 to the second end 15, a larger area of the battery 10 is covered, and the heat dissipation effect is good. Among them, the second heat exchange member 50 can be of a flat tube structure.

[0058] In some embodiments, the extending direction of the second heat exchange tube 33 is perpendicular to the extending direction of the first heat exchange tube 31, and the heat exchange medium in the first heat exchange member 30 can flow rapidly between the first heat exchange tube 31 and the second heat exchange tube 33. In some embodiments, the extending direction of the fifth heat exchange tube 53 is perpendicular to the extending direction of the fourth heat exchange tube 51, and the heat exchange medium in the second heat exchange member 50 can flow rapidly between the fourth heat exchange tube 51 and the fifth heat exchange tube 53.

[0059] Please combine with Figure 1 , in some embodiments, the heat exchange assembly 20 is connected to the first side surface 11 and / or the second side surface 17 through a heat-conducting adhesive 103. The heat exchange assembly 20 is arranged on the side surface of the battery 10 and does not need to carry the battery 10. The heat-conducting adhesive 103 has a good heat-conducting effect, can tightly connect the heat exchange assembly 20 and the battery 10, and also has the function of increasing the heat dissipation area. On the one hand, compared with the traditional heat exchange plate, the present application uses the heat exchange assembly 20 for heat exchange and uses the heat-conducting adhesive for connection. The heat-conducting adhesive is lighter in mass, thereby reducing the mass of the battery heat exchange system. The heat exchange assembly 20 can be connected to the battery 10 through the heat-conducting adhesive 103 to exchange heat for the battery 10. In some embodiments, the first heat exchange member 30 can be connected to the first side surface 11 through the heat-conducting adhesive 103, and the second heat exchange member 50 is connected to the second side surface 17 through the heat-conducting adhesive 103.

[0060] The battery heat exchange system further includes a plurality of heat dissipation members 70. The heat dissipation members 70 can be made of metal. The heat dissipation members 70 can increase the heat dissipation area and facilitate heat dissipation for the heat exchange assembly 20. In some embodiments, one or more heat dissipation members 70 can be arranged between two adjacent first heat exchange tubes 31. In some embodiments, at least one heat dissipation member 70 can be arranged between two adjacent fourth heat exchange tubes 51. After exchanging heat with the battery 10, the heat can be dissipated through the heat dissipation members 70, thereby improving the heat exchange efficiency and heat exchange effect with the battery 10.

[0061] Please refer to Figure 3 In some embodiments, at least one heat dissipation member 70 is located between two adjacent first heat exchange tubes 31. Opposite ends of the heat dissipation member 70 are respectively welded to the two adjacent first heat exchange tubes 31, so as to dissipate the heat exchanged between the first heat exchange member 30 and the battery 10, and the heat exchange effect is better.

[0062] Please refer to Figure 5 In some embodiments, at least one heat dissipation member 70 is located between two adjacent fourth heat exchange tubes 51. Opposite ends of the heat dissipation member 70 are respectively welded to the two adjacent fourth heat exchange tubes 51, so as to dissipate the heat exchanged between the second heat exchange member 50 and the battery 10, and the heat exchange effect is better.

[0063] Please refer to Figure 3 A first heat exchange member 30 is provided with a first opening 310 and a second opening 350. A plurality of first openings 310 communicate with a first manifold 401, and a plurality of second openings 350 communicate with a second manifold 403. The battery cell 101 is located between the first manifold 401 and the second manifold 403;

[0064] Please refer to Figure 5 A second heat exchange member 50 is provided with a third opening 510 and a fourth opening 550. A plurality of third openings 510 communicate with a third manifold 405, and a plurality of fourth openings 550 communicate with a fourth manifold 407. The battery cell 101 is located between the third manifold 405 and the fourth manifold 407.

[0065] In the liquid cooling technology, the heat exchange medium enters from the top and exits from the bottom. That is, the first opening 310 can be used for heat exchange media such as ethylene glycol, water / ethylene glycol mixture, liquid water, and propylene glycol to enter, the second opening 350 can be used for the heat exchange medium to flow out, the third opening 510 can be used for the heat exchange medium to enter, and the fourth opening 550 can be used for the heat exchange medium to flow out.

[0066] In the direct heating technology, the heat exchange medium enters from the top and exits from the bottom. That is, the first opening 310 can be used for heat exchange media such as gaseous CO2 and R134a to enter, the second opening 350 can be used for heat exchange media such as liquefied CO2 and R134a to flow out, the third opening 510 can be used for heat exchange media such as gaseous CO2 and R134a to enter, and the fourth opening 550 can be used for heat exchange media such as liquefied CO2 and R134a after heat release to flow out.

[0067] In the direct cooling technology, the heat exchange medium enters from the bottom and exits from the top. That is, the second opening 350 can be used for heat exchange media such as liquid CO2 and R134a to enter, the first opening 310 can be used for heat exchange media such as vaporized CO2 and R134a after heating to flow out, the fourth opening 550 can be used for heat exchange media such as liquid CO2 and R134a to enter, and the third opening 510 can be used for heat exchange media such as vaporized CO2 and R134a after heating to flow out.

[0068] In the embodiments of the present application, two heat exchange circuits are formed on the opposite first side 11 and second side 17 of the battery 10 through the first heat exchange member 30 and the second heat exchange member 50. According to actual needs, the inlet and outlet of the two heat exchange circuits can be set to guide the flow direction of the heat exchange medium, so that the flow directions of the heat exchange media in the two heat exchange circuits are opposite, playing a complementary role and increasing the overall temperature uniformity.

[0069] There are multiple first heat exchange members 30 and multiple second heat exchange members 50. The battery heat exchange system further includes a first manifold 401, a second manifold 403, a third manifold 405, and a fourth manifold 407.

[0070] Please refer to Figure 3 and Figure 4 , Figure 3 In [reference], there are two first heat exchange members 30. Each first heat exchange member 30 includes a first opening 310 and a second opening 350. The two first heat exchange members 30 include two first openings 310 and two second openings 350. The two first heat exchange members 30 are arranged in parallel. The two first openings 310 are both connected to a first manifold 401, and the two second openings 350 are both connected to a second manifold 403. The battery cell 101 is located between the first manifold 401 and the second manifold 403, and the battery cell 101 is located between the third manifold 405 and the fourth manifold 407.

[0071] Please refer to Figure 5 and Figure 6 , Figure 5 In [reference], there are two second heat exchange members 50. Each second heat exchange member 50 includes a fourth opening 550 and a third opening 510. The two second heat exchange members 50 include two fourth openings 550 and two third openings 510. The two second heat exchange members 50 are arranged in parallel. The two fourth openings 550 are both connected to a fourth manifold 407, and the two third openings 510 are both connected to a third manifold 405. Thus, the heat exchange medium is converged to the first manifold 401, the second manifold 403, the third manifold 405, and the fourth manifold 407, facilitating the inflow and outflow of the heat exchange medium.

[0072] The first manifold 401 is provided with a fifth opening 4011 and a sixth opening 4013, and further includes a first connection end 4015. In some embodiments, the fifth opening 4011 can be configured as a flow-through port through which a heat exchange medium can flow in or out, and the sixth opening 4013 is a closed port that is completely closed and through which the heat exchange medium cannot flow. The first connection end 4015 is connected to the first opening 310 through a first connection structure 91. The two oppositely arranged ends of the first connection structure 91 are respectively connected to the first connection end 4015 and the first opening 310. There are substances such as glue at the connection points of the first connection structure 91 with the first connection end 4015 and the first opening 310 to increase the friction force, enhance the sealing performance, and prevent loosening and liquid leakage.

[0073] The second manifold 403 is provided with a seventh opening 4031 and an eighth opening 4033, and further includes a second connection end 4035. In some embodiments, the seventh opening 4031 can be configured as a flow-through port through which a heat exchange medium can flow in or out, and the eighth opening 4033 is a closed port that is completely closed and through which the heat exchange medium cannot flow. The second connection end 4035 is connected to the second opening 350 through a second connection structure 93. The two oppositely arranged ends of the second connection structure 93 are respectively connected to the second connection end 4035 and the second opening 350. There are substances such as glue at the connection points of the second connection structure 93 with the second connection end 4035 and the second opening 350 to increase the friction force, enhance the sealing performance, and prevent loosening and liquid leakage.

[0074] The third manifold 405 is provided with a ninth opening 4051 and a tenth opening 4053, and further includes a third connection structure 95. In some embodiments, the ninth opening 4051 can be configured as a flow-through port through which a heat exchange medium can flow in or out, and the tenth opening 4053 is a closed port that is completely closed and through which the heat exchange medium cannot flow. The third connection end 4055 is connected to the third opening 510 through the third connection structure 95. The two oppositely arranged ends of the third connection structure 95 are respectively connected to the third connection end 4055 and the third opening 510. There are substances such as glue at the connection points of the third connection structure 95 with the third connection end 4055 and the third opening 510 to increase the friction force, enhance the sealing performance, and prevent loosening and liquid leakage.

[0075] The fourth manifold 407 is provided with an eleventh opening 4071 and a twelfth opening 4073, and further includes a fourth connection end 4075. In some embodiments, the eleventh opening 4071 can be configured as a flow port through which the heat exchange medium can flow in or out, and the twelfth opening 4073 is a closed port that is completely closed and through which the heat exchange medium cannot flow. The fourth connection end 4075 is connected to the fourth opening 550 through a fourth connection structure 97. The two relatively arranged ends of the fourth connection structure 97 are respectively connected to the fourth connection end 4075 and the fourth opening 550. There are substances such as glue at the connection points of the fourth connection structure 97 with the fourth connection end 4075 and the fourth opening 550 to increase the friction force, enhance the sealing performance, and prevent loosening and liquid leakage.

[0076] Please refer to Figure 7 , the battery heat exchange system can be a liquid cooling system, a direct cooling system or a direct heating system.

[0077] In some embodiments, when the battery heat exchange system is a liquid cooling system, that is, when liquid cooling technology is used for battery thermal management, the fifth opening 4011 and the ninth opening 4051 are liquid inlet ports, and the seventh opening 4031 and the eleventh opening 4071 are liquid outlet ports. A part of the heat exchange medium flows in from the fifth opening 4011, passes through the first connection structure 91, and flows into the first opening 310. Under the combined action of gravity and the system power source, it flows through the first heat exchange sub-channel 211, the second heat exchange sub-channel 213, and the first heat exchange sub-channel 211, flows out of the second opening 350, passes through the second connection structure 93, flows through the second connection end 4035, and flows out of the seventh opening 4031. Another part of the heat exchange medium flows in from the ninth opening 4051, passes through the third connection end 4055, through the third connection structure 95, flows into the third opening 510. Under the combined action of gravity and the system power source, it flows through the first heat exchange sub-channel 211, the second heat exchange sub-channel 213, and the first heat exchange sub-channel 211, passes through the fourth connection structure 97, flows through the fourth connection end 4075, and flows out of the eleventh opening 4071. The system power source can specifically be pump-driven liquid inlet, gravity liquid inlet, pressure tank liquid inlet, etc.

[0078] In some embodiments, when the battery heat exchange system is a direct heating system, that is, when the direct heating technology is used for battery thermal management, the fifth opening 4011 and the ninth opening 4051 are liquid inlets, and the seventh opening 4031 and the eleventh opening 4071 are liquid outlets. A part of the heat exchange medium (high-temperature gaseous refrigerant) flows in from the fifth opening 4011, releases heat and condenses, and then flows into the first opening 310 through the first connection structure 91. Under the combined action of gravity and the system power source, it flows through the first heat exchange sub-channel 211, the second heat exchange sub-channel 213, and the first heat exchange sub-channel 211, flows out of the second opening 350, and then flows through the second connection structure 93, passes through the second connection end 4035, and flows out of the seventh opening 4031. Another part of the heat exchange medium (high-temperature gaseous refrigerant) flows in from the ninth opening 4051, releases heat and condenses, passes through the third connection end 4055, and then flows into the third opening 510 through the third connection structure 95. Under the combined action of gravity and the system power source, it flows through the first heat exchange sub-channel 211, the second heat exchange sub-channel 213, and the first heat exchange sub-channel 211, and then flows out of the eleventh opening 4071 through the fourth connection structure 97 and passes through the fourth connection end 4075.

[0079] In some embodiments, when the battery heat exchange system is a direct cooling system, that is, when the direct cooling technology is used for battery thermal management, the eleventh opening 4071 and the seventh opening 4031 are refrigerant inlets, and the ninth opening 4051 and the fifth opening 4011 are refrigerant outlets. During heat exchange, the low-temperature liquid refrigerant can flow into the system from one or more of the eleventh opening 4071 and the seventh opening 4031, absorb heat and vaporize, and then flow out from one or more of the ninth opening 4051 and the fifth opening 4011. In some other embodiments, the fifth opening 4011 can be set as a through port, the sixth opening 4013 as a closed port, the seventh opening 4031 as a through port, the eighth opening 4033 as a closed port, the ninth opening 4051 as a through port, the tenth opening 4053 as a closed port, the eleventh opening 4071 as a through port, and the twelfth opening 4073 as a closed port.

[0080] According to the third aspect of the present disclosure, a vehicle is provided. The vehicle includes the above-mentioned battery heat exchange system, and the vehicle has all the beneficial effects of the above-mentioned battery heat exchange system, which will not be elaborated herein.

[0081] The vehicle can be a fuel vehicle, a plug-in hybrid vehicle, a new energy vehicle, etc., and the present disclosure does not make specific limitations thereto.

[0082] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0083] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0084] The embodiments, implementation manners and related technical features of the present application can be combined and replaced with each other without conflict.

[0085] The above are only the preferred embodiments of the present application and do not impose any formal restrictions on the present application. However, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application still fall within the scope of the technical solution of the present application.

Claims

1. A heat exchange component, characterized in that, The heat exchange member is applied to a battery cell. The heat exchange member is installed on the side surface of the battery cell. The heat exchange member is provided with a heat exchange flow channel, and the heat exchange flow channel includes a plurality of first heat exchange sub-channels and second heat exchange sub-channels. The plurality of first heat exchange sub-channels are arranged along the height direction of the battery cell, and two adjacent first heat exchange sub-channels are communicated through one second heat exchange sub-channel, so that the heat exchange medium sequentially passes through two adjacent first heat exchange sub-channels.

2. The heat exchange member according to claim 1, wherein The heat exchange flow channel includes three first heat exchange sub-channels and two second heat exchange sub-channels. Each first heat exchange sub-channel extends along the length direction of the battery cell, and the two second heat exchange sub-channels are arranged along the height direction of the battery cell, and the two second heat exchange sub-channels are respectively located at opposite ends of the battery cell.

3. The heat exchange member according to claim 1 or 2, characterized in that, The heat exchange member is connected to the side surface through a heat-conducting adhesive.

4. The heat exchange element according to claim 1 or 2, characterized in that The plurality of first heat exchange sub-channels are parallel to each other, and the extending direction of the second heat exchange sub-channel is perpendicular to the extending direction of the first heat exchange sub-channel.

5. A battery heat exchange system, characterized in that, Comprising: a battery, including a plurality of battery cells; a heat exchange assembly, including a plurality of heat exchange members, where the heat exchange member is the heat exchange member according to any one of claims 1 to 4, and each heat exchange member is installed on the side surface of the battery cell.

6. The battery heat exchange system according to claim 5, wherein, The battery includes a first side surface and a second side surface arranged opposite to each other. One heat exchange member is installed on the first side surface, and the other heat exchange member is installed on the second side surface.

7. The battery heat exchange system according to claim 5 or 6, characterized in that, The arrangement direction of the plurality of battery cells is perpendicular to the side surface of the battery cell, the plurality of heat exchange members are arranged along the arrangement direction of the battery cells, and at least one heat exchange member is arranged between two adjacent battery cells.

8. The battery heat exchange system according to claim 7, wherein, The plurality of heat exchange members include a first heat exchange member and a second heat exchange member arranged adjacent to each other, and the flow directions of the heat exchange medium in the first heat exchange member and the second heat exchange member are opposite.

9. The battery heat exchange system according to claim 8, wherein, The plurality of heat exchange members include a plurality of first heat exchange members and a plurality of second heat exchange members. The battery heat exchange system further includes a first manifold, a second manifold, a third manifold, and a fourth manifold; One first heat exchange member is provided with a first opening and a second opening. The plurality of first openings are communicated with the first manifold, and the plurality of second openings are communicated with the second manifold. The battery cell is located between the first manifold and the second manifold; One second heat exchange member is provided with a third opening and a fourth opening. The plurality of third openings are communicated with the third manifold, and the plurality of fourth openings are communicated with the fourth manifold. The battery cell is located between the third manifold and the fourth manifold.

10. The battery heat exchange system according to claim 9, characterized in that, The first heat exchange member includes a first heat exchange tube provided with a first heat exchange sub-channel, the second heat exchange member includes a fourth heat exchange tube provided with a first heat exchange sub-channel, and the battery heat exchange system further includes a plurality of heat dissipation members. At least one heat dissipation member is arranged between two adjacent first heat exchange tubes; and / or At least one heat dissipation member is arranged between two adjacent fourth heat exchange tubes.

11. The battery heat exchange system according to claim 5, wherein, The arrangement direction of the plurality of battery cells is perpendicular to the side surface of the battery cell, the plurality of heat exchange elements are arranged along the arrangement direction of the battery cells, and at least one battery cell is arranged between two adjacent heat exchange elements.

12. A vehicle, characterized in that, Comprising the heat exchange element according to any one of claims 1-4, or comprising the battery heat exchange system according to any one of claims 5-11.

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