CN216120534U - Battery module and battery pack - Google Patents

Abstract

The utility model discloses a battery module and a battery pack with the same, wherein the battery module comprises: the battery pack comprises a bottom plate, side plates and a battery cell pack, wherein the side plates are connected with the bottom plate, the left side and the right side of the bottom plate are both connected with the side plates, and an accommodating space is formed between the side plates and the bottom plate; the battery core group is arranged in the accommodating space, wherein the bottom plate and the side plates are respectively provided with a heat exchange structure for exchanging heat with the battery core group. Through using aforementioned technical scheme, can improve battery module's heat transfer effect, improve operation security and stability.

Description

Battery module and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery module and a battery pack with the same.

Background

Among the correlation technique, the cooling of battery module adopts the mode of bottom subsides cold plate to carry out the module cooling usually, along with the increase of battery module quick charge or discharge current, the temperature rise demand that 4C quick charge or higher multiplying power quick charge operating mode requirement has sometimes been unable to be satisfied to the simple cooling and the velocity of flow that leans on the bottom and increase, and the velocity of flow increases moreover, whole car need be changed large-traffic water pump, high velocity of flow water pump also can lead to the pipeline pressure high, coolant liquid seepage or leakage takes place easily in whole runner return circuit, cause the insulating inefficacy of battery package, the short circuit is conflagration even taken place.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a battery module, in which heat exchange structures are disposed on both side plates and a bottom plate, so as to improve heat exchange effect, improve safety and stability of operation of the battery module, and have a simple structure and easy construction.

Another object of the present invention is to provide a battery pack.

The battery module according to an embodiment of the present invention includes: the battery pack comprises a bottom plate, side plates and a battery cell pack, wherein the side plates are connected with the bottom plate, the left side and the right side of the bottom plate are both connected with the side plates, and an accommodating space is formed between the side plates and the bottom plate; the battery core group is arranged in the accommodating space, wherein the bottom plate and the side plates are respectively provided with a heat exchange structure for exchanging heat with the battery core group.

According to the battery module provided by the embodiment of the utility model, the heat exchange structures are arranged on the side plates and the bottom plate, so that the heat exchange effect is improved, the safety and the stability of the operation of the battery module are improved, and the structure is simple and easy to construct.

In addition, the battery module according to the above embodiment of the present invention may further have the following additional technical features:

in some embodiments, the side panel comprises: the plate main body is connected with the bottom plate; the liquid cooling pipe is arranged on the plate main body and is suitable for liquid cooling heat exchange of the electric core assembly.

In some embodiments, the plate main body is provided with a jaw, and the liquid cooling pipe is clamped by the jaw and positioned at the outer side of the plate main body.

In some embodiments, the jaw is configured in a shape having a small opening and a large inner space, and the opening width dimension of the jaw is smaller than the width dimension of the liquid cooling pipe.

In some embodiments, the claw is disposed on the outer surface of the plate main body, the claw includes a first rib and a second rib, the first rib and the second rib are both disposed on the outer surface of the plate main body and extend in the front-rear direction, the first rib and the second rib are arranged at intervals in the up-down direction, and the gap between the first rib and the second rib at the opening of the claw is gradually reduced in the direction away from the plate main body.

In some embodiments, the liquid cooling pipe is a U-shaped pipe, and both branches of the liquid cooling pipe are held by the jaws, wherein the first rib of each jaw is located inside the U-shaped pipe, the second rib of each jaw is located outside the U-shaped pipe, one end of the first rib is shorter than the second rib, and the other end of the first rib is flush with the second rib.

In some embodiments, the inner side surface of the claw is configured into an arc surface shape matched with the shape of the liquid cooling pipe.

In some embodiments, each of the first and second ribs has a mounting surface and a support surface, the mounting surfaces of the first and second ribs being oppositely disposed; the support surfaces of the first and second ribs face away from each other; one side of the mounting surface, which is close to the plate main body, is perpendicular to the plate main body, an arc-shaped surface is constructed on one side of the mounting surface, which is far away from the plate main body, and the supporting surface extends towards the direction far away from the plate main body and inclines towards the direction of the mounting surface.

In some embodiments, the plate main body is provided with a positioning portion connected with the front edge and/or the rear edge of the plate main body, and the positioning portion is suitable for wrapping the end plate.

According to the battery pack provided by the embodiment of the utility model, the battery module is included, so that the heat exchange effect of the module can be improved, and the safety and the stability of the operation of the module are improved.

Drawings

Fig. 1 is a schematic structural view of a battery module according to some embodiments of the present invention;

FIG. 2 is a schematic structural view of a side plate (illustrating the liquid-cooled tube mounted to the plate body) according to some embodiments of the present invention;

FIG. 3 is a schematic structural view of a side plate (showing a plate body and jaws) in some embodiments of the utility model;

FIG. 4 is a side view of a side panel in some embodiments of the utility model;

FIG. 5 is a schematic diagram of the construction of a liquid cooled tube in some embodiments of the utility model;

FIG. 6 is a schematic view of the structure of a tendon according to some embodiments of the present invention;

fig. 7 is a schematic structural view of a side panel in the related art.

Reference numerals:

the battery module comprises a battery module 100, a side plate 10, a plate main body 1, a clamping jaw 11, a first rib 11a, a second rib 11b, a supporting surface 111, a mounting surface 112, a liquid cooling pipe 2, a branch part 21, a cold pipe inlet 201, a cold pipe outlet 202, a positioning part 3 and an end plate 30;

a common side panel 10'.

Detailed Description

Among the correlation technique, power battery package is owing to promoted the highest speed of a motor vehicle, acceleration performance, and require more and more high to filling soon, and present module cooling scheme adopts the mode of bottom subsides cold plate to carry out the module cooling usually, fills soon or when discharge current requires great, generally takes away the calorific capacity that leads to electric core to increase because of the electric current increase through the rivers velocity of flow that increases the cold plate of bottom, realizes that electric core temperature work is in suitable range. But the flow rate is increased, so that the whole vehicle needs to be replaced by a large-flow water pump, the high-flow water pump can also cause high pipeline pressure, and the whole flow passage loop is easy to leak or leak cooling liquid, so that the insulation failure of the battery pack, short circuit and even fire hazard are caused.

Therefore, the utility model provides a battery module 100, which solves the problem that the temperature rise requirement of the module cannot be met by high-rate quick charge or discharge bottom cooling by arranging heat exchange structures on the side plates 10 and the bottom plate, and has a simple structure and easy construction.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1 to 6, a battery module 100 according to an embodiment of the present invention includes: the battery pack comprises a bottom plate, side plates 10 and a battery cell pack, wherein the side plates 10 are connected with the bottom plate, the left side and the right side of the bottom plate are both connected with the side plates 10, and an accommodating space is formed between the side plates 10 and the bottom plate; the battery cell group is arranged in the accommodating space, wherein the bottom plate and the side plate 10 are both provided with heat exchange structures for exchanging heat with the battery cell group. Particularly, the side plates 10 and the bottom plate can fix the electric core group, thereby improving the overall stability of the structure. The heat exchange structures are arranged on the bottom plate and the side plates 10 and can exchange heat for the electric core group, and if the electric core group generates heat during working, the heat exchange structures can take away the heat so as to avoid overhigh temperature of the electric core group and improve the working stability and safety of the module; if the heat exchange structure is used in cold weather, heat can be transferred to the electric core group by the heat exchange structure, so that the electric core group can operate conveniently. That is to say, heat transfer structure can carry out the heat transfer with the electric core group according to actual need, and all is equipped with heat transfer structure in the side and the bottom surface of electric core group, can improve heat exchange efficiency, does benefit to the stability that keeps electric core group temperature.

According to the battery module 100 provided by the embodiment of the utility model, the heat exchange structures are arranged on the side plates 10 and the bottom plate, so that the heat exchange effect of the module can be improved, the safety and the stability of the operation of the module can be improved, and the structure is simple and easy to construct.

Optionally, the heat exchange structure can be arranged on one side of the battery module 100, can also be arranged on both sides of the battery module 100, and can also be used for controlling the operation of the heat exchange structure according to actual needs, for example, when the working strength of the electric core set is low, the heat exchange structure on the bottom plate is operated independently, so that an energy-saving effect is achieved.

With reference to fig. 3, optionally, the side plate 10 comprises: plate main part 1 and liquid cooling pipe 2, plate main part 1 links to each other with the bottom plate, and liquid cooling pipe 2 is installed on plate main part 1, and liquid cooling pipe 2 is constructed to be suitable for and carries out the liquid cooling heat transfer to the electric core group. Specifically, liquid-cooled pipe 2 is installed on board main part 1, can be convenient for assemble, is convenient for maintain liquid-cooled pipe 2, and liquid-cooled pipe 2 direct mount is on board main part 1, can shorten the distance between liquid-cooled pipe 2 and the electric core group, does benefit to and improves heat exchange efficiency. Alternatively, the liquid cooling pipe 2 may be provided in a form integrated with the side plate 10.

Referring to fig. 4, optionally, the plate body 1 is provided with a clamping jaw 11, and the liquid cooling pipe 2 is clamped and positioned outside the plate body 1 by the clamping jaw 11. In particular, the jaws 11 may facilitate improving the stability of the installation of the liquid-cooled tube 2, and have a simple structure and are easy to construct. That is to say, the shape and structure of the side plate 10 do not need to be changed, the claws 11 may be directly formed on the plate main body 1, and the liquid cooling pipe 2 is installed outside the plate main body 1, so that the liquid cooling pipe 2 is convenient to assemble and maintain, that is, the liquid cooling pipe 2 is directly disassembled from the outside of the plate main body 1, and the plate main body 1 does not need to be disassembled. In addition, board main part 1 can separate electric core group and liquid cooling pipe 2 to avoid electric core group and liquid cooling pipe 2 direct contact, play the effect of protection liquid cooling pipe 2 or electric core group. In practical application, the plate body 1 and the claws 11 may be integrally formed to be suitable for mounting the liquid cooling pipe 2 on the plate body 1, which is beneficial to reducing the manufacturing cost, improving the structural stability and improving the functionality of the battery module 100. The jaws 11 may be detachably coupled to the plate body 1 to improve the versatility of the battery module 100.

Of course, the plate main body 1 may be provided with a groove, and the liquid cooling pipe 2 is embedded in the groove to facilitate spatial arrangement; the liquid cooling pipe 2 may be positioned outside the panel body 1 or inside the panel body 1, but the present invention is not limited thereto.

Alternatively, the jaw 11 is configured in a shape with a small opening and a large inner space, and the opening width dimension of the jaw 11 is smaller than the width dimension of the liquid cooling pipe 2, so that the jaw 11 can stably fix the liquid cooling pipe 2, and the installation stability is improved. During the in-service use, through the assembly methods of static force press-in method or power press-in method with liquid cooling pipe 2 embedding jack catch 11 in, if push away with power slightly, with liquid cooling pipe 2 embedding jack catch 11 in, or beat liquid cooling pipe 2 and make liquid cooling pipe 2 embedding jack catch 11, because jack catch 11 inner space is big, the opening is little, therefore the inside liquid cooling pipe 2 that is suitable for of jack catch 11, and liquid cooling pipe 2 is difficult for following the opening part of jack catch 11 and deviating from, realizes interference fit. Through interference fit's mode assembly liquid cooling pipe 2, can improve structural stability, and less to liquid cooling pipe 2's dimensional accuracy requirement, do benefit to and improve the practicality, reduce manufacturing cost.

Further, jack catch 11 is located on the surface of board main part 1, jack catch 11 includes first rib 11a and second rib 11b, first rib 11a and second rib 11b all locate on the surface of board main part 1 and extend along the fore-and-aft direction, and first rib 11a and second rib 11b are along upper and lower direction interval arrangement, the clearance between first rib 11a of opening part of jack catch 11 and second rib 11b reduces in the direction of keeping away from board main part 1 clearance gradually, in order to realize the interference fit of jack catch 11 and liquid cooling pipe 2, and simple structure easily constructs.

Optionally, the first rib 11a and the second rib 11b may be integrally formed with the plate body 1, or may be provided with a positioning groove on the plate body 1, one end of the first rib 11a and the second rib 11b is provided with a mounting portion, the mounting portion of the first rib 11a and the second rib 11b is inserted into the positioning groove of the plate body 1 in the front-rear direction, and the claw 11 may be detached when the liquid cooling pipe 2 is not required to be mounted.

Combine fig. 2, optionally, liquid cooling pipe 2 is the U type pipe, and two branches 21 of liquid cooling pipe 2 are held by jack catch 11 card, and wherein, the first rib 11a of every jack catch 11 all is located U type intraductal side, and the second rib 11b of every jack catch 11 all is located the U type outside of tubes, and the one end of first rib 11a is shorter than second rib 11b, and the other end of first rib 11a flushes with second rib 11b to improve the stability of liquid cooling pipe 2 installation, can play the effect of protection liquid cooling pipe 2. Specifically, the two branch portions 21 of the liquid cooling tube 2 extend in the front-rear direction of the plate body 1, and the two branch portions 21 of the liquid cooling tube 2 face each other in the vertical direction. In general, the battery module 100 is rectangular, so that the two branch portions 21 of the liquid cooling tube 2 are long, and the claws 11 clamp the two branch portions 21 opposite to each other up and down, so as to improve the installation stability of the liquid cooling tube 2, i.e. most of the structure of the liquid cooling tube 2 is clamped. Further, the first ribs 11a positioned on the inner side of the U-shaped pipe are shorter, the first ribs 11a positioned on the outer side of the U-shaped pipe are longer, and can play a role in protecting the U-shaped liquid cooling pipe 2, and the second ribs 11b are positioned on the outer side of the U-shaped pipe, so that the length of the U-shaped pipe can be longer, for example, the second ribs 11b are flush with the closed end of the U-shaped pipe or slightly longer than the closed end of the U-shaped pipe, so as to protect the U-shaped pipe; because the inner side of the U-shaped pipe is provided with a bend, the length of the first ribs 11a is shorter than that of the second ribs 11b, and the clamping effect is improved.

Alternatively, in order to improve the heat exchange efficiency, the liquid cooling pipes 2 may be arranged on the outer surface of the plate body 1 in a winding manner, wherein the claws 11 may be configured to fit the liquid cooling pipes 2, such as completely transferring the liquid cooling pipes 2 into the claws 11. In order to simplify the structure and reduce the weight of the side plate 10, the clamping jaws 11 may be disposed only on the periphery of the plate body 1, and the support plate may be disposed in the middle of the plate body 1, so that a part of the liquid cooling pipe 2 may be inserted into the clamping jaws 11, and the other part of the pipe body provides support, thereby simplifying the structure and facilitating assembly. Alternatively, the liquid-cooled tubes 2 may be arranged in an S-shaped arrangement or the like on the plate body 1, to which the present invention is not limited.

Optionally, locate the heat transfer structure of curb plate 10 and locate the heat transfer structure of bottom plate and all can be liquid cooling pipe 2, liquid cooling pipe 2 can be liquid cooling or (refrigerant) directly cold, specifically can select according to the module operating mode, generally selects the liquid cooling, if can't satisfy the time, optional directly cold to reinforcing cooling performance.

With reference to fig. 4, optionally, the inner side surface of the claw 11 is configured into an arc surface shape adapted to the shape of the liquid cooling pipe 2, so as to be suitable for matching with the tubular liquid cooling pipe 2, and the arc surface of the inner side surface of the claw 11 facilitates the liquid cooling pipe 2 to be pulled out from the claw 11 when the liquid cooling pipe 2 is detached, thereby facilitating assembly.

With reference to fig. 6, optionally, each of the first and second ribs 11a and 11b has a mounting surface 112 and a support surface 111, the mounting surfaces 112 of the first and second ribs 11a and 11b being oppositely disposed; the bearing surfaces 111 of the first ribs 11a and of the second ribs 11b face away from one another. That is, the liquid-cooled tube 2 is in direct contact with the mounting surface 112. One side of the mounting surface 112 close to the plate main body 1 is perpendicular to the plate main body 1, and one side of the mounting surface 112 far away from the plate main body 1 forms an arc-shaped surface, so that the mounting surfaces 112 of the first ribs 11a and the second ribs 11b are matched to form a structure with a large inner space and an arc-shaped surface at an opening, and assembly is facilitated. The support surface 111 extends in a direction away from the board body 1 and is inclined in a direction toward the mounting surface 112, so that structural stability can be improved.

Referring to fig. 3 and 4, optionally, the plate body 1 is provided with positioning parts 3, the positioning parts 3 are connected with the front edge and/or the rear edge of the plate body 1, and the positioning parts 3 are adapted to wrap the end plates 30 to improve the tightness of the connection of the side plate 10 and the battery module 100 and improve the structural strength of the module. Specifically, referring to fig. 1, end plates 30 are provided at front and rear ends of the battery module 100, side plates 10 are provided at left and right sides of the battery module 100, the side plates 10 extend in the front and rear direction, and positioning portions 3 are provided at both front and rear edges of the side plates 10. On the front side of the module, the positioning part 3 transversely extends and covers a part of the transverse edge of the end plate 30; on the rear side of the module, the positioning portion 3 extends laterally to cover a portion of the lateral edge of the end plate 30, so that at least a portion of the end plate 30 and the side plate 10 are overlapped at the adjacent portion to improve the tightness of the connection. Further, the positioning portion 3 is configured with a rounded corner between the side plate 10 and the end plate 30 to facilitate assembly and improve the appearance.

According to the battery pack provided by the embodiment of the utility model, the battery module 100 is applied to the battery pack, so that the heat exchange efficiency of the module can be improved, and the safety and the stability of the operation of the module can be improved.

The battery module 100 according to some embodiments of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 to 6, a battery module 100 according to an embodiment of the present invention includes: the side plates 10, the electric core group, the bottom plate, the end plate 30 and the heat exchange structure. Specifically, the side plate 10 is connected with the bottom plate, an accommodating space is formed between the side plate 10 and the bottom plate, the electric core group is arranged in the accommodating space, and the bottom plate and the side plate 10 are both provided with heat exchange structures; the end plates 30 are respectively arranged at the front end and the rear end of the electric core group. Further, the side panel 10 includes: the plate comprises a plate main body 1, a liquid cooling pipe 2 and a positioning part 3, wherein a clamping jaw 11 is arranged on the plate main body 1, the clamping jaw 11 comprises a first rib 11a and a second rib 11b, and the first rib 11a and the second rib 11b are matched to clamp the liquid cooling pipe 2; the liquid cooling pipe 2 is U-shaped, and two ends of the liquid cooling pipe 2 are provided with a cold pipe inlet 201 and a cold pipe outlet 202, so that a heat exchange medium can circulate in the liquid cooling pipe 2; the positioning parts 3 are coupled with the front and rear edges of the board main body 1 so that the positioning parts 3 cover the end plates 30 to improve coupling strength.

When in actual application, the liquid cooling pipes 2 are arranged on the left side and the right side of the module and are matched with the heat exchange structure of the bottom plate of the module to form a three-side cooling mode of the module. The thermal simulation result shows that the scheme has excellent cooling performance and can meet the high-magnification quick charging and discharging working conditions of 4C and the like. Specifically, the structure of the jaw 11 capable of being embedded into the liquid cooling pipe 2 can be directly arranged on the side plate 10 structure of a common form commonly used for a module, namely, the side plate 10 structure commonly used in the related art (see fig. 7), the jaw 11 embedded into the liquid cooling pipe is designed to be of a structure with a narrow upper part and a wide lower part, then the hollow cylindrical liquid cooling pipe 2 is knocked into the embedded jaw 11 to realize interference fit, the liquid cooling pipe 2 can be designed to be of a U-shaped structure, the upper part is a cold pipe inlet 201, and the lower part is a cold pipe outlet 202.

Further, liquid cooling pipe 2 designs into U type structure, and cold pipe import 201 and cold pipe export 202 lie in same one side, and cold pipe import 201 lies in 1 upper portion of board main part, and cold pipe export 202 lies in the form of 1 lower part of board main part, because the initial temperature of the cold pipe import 201 coolant in upper portion is slightly low, can take away the heat many, the model that generates heat that combines electric core, when electric core charge-discharge generates heat, general upper portion temperature is higher than the lower part, and this kind of U type shape liquid cooling pipe 2 can make module temperature homogeneity better. In actual work, when the module has low requirements on quick charge and discharge current, only the heat exchange structure of the bottom plate or the heat exchange structure of the side plate 10 is used for cooling so as to control the use cost of the module; when the quick charging and discharging current is large, a three-surface cooling scheme combining the heat exchange structure of the bottom plate and the heat exchange structure of the side plate 10 can be adopted.

During practical application, the design idea that the heat transfer scheme was matched according to the concrete use operating mode of module carries out the module design. For example, two kinds of side plates can be developed, and in combination with fig. 7, one kind is a common side plate 10', which is composed of a plate main body and a positioning portion; referring to fig. 3, a special side plate 1 capable of being embedded with a liquid cooling pipe 2 includes a plate main body 1, a liquid cooling pipe 2, and a positioning portion 3, i.e., a claw 11 of the plate main body 1, and other components of the module can be all used in common, so that the practicability and the versatility of the module are improved.

It should be noted that the specific application scheme of the heat exchange structure can be selected according to the actual requirements of the module working conditions, but the utility model is not limited thereto.

According to the battery module 100 provided by the embodiment of the utility model, the heat exchange structures are arranged on the side plates 10 and the bottom plate, so that a technical scheme of three-surface heat exchange is constructed, the module heat exchange scheme can be flexibly selected and matched, the expansibility is strong, the three-surface heat exchange can be compatible with liquid cooling and direct cooling, and the temperature rise requirement of a high-rate quick-charging working condition can be basically met; when the cooling device operates, the leakage failure rate of the cooling liquid is very low, and the use safety is improved.

In the description of the present invention, it is to be understood that the terms "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples described in this specification, as well as features of the various embodiments or examples, may be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A battery module, comprising:

a base plate;

the side plates are connected with the bottom plate, the left side and the right side of the bottom plate are connected with the side plates, and an accommodating space is formed between the side plates and the bottom plate;

the battery cell group is arranged in the accommodating space,

and the bottom plate and the side plates are respectively provided with a heat exchange structure used for exchanging heat with the electric core group.

2. The battery module according to claim 1, wherein the side plate comprises:

a plate body connected to the base plate;

the liquid cooling pipe is installed on the plate main body and is suitable for liquid cooling heat exchange of the electric core assembly.

3. The battery module according to claim 2, wherein the plate main body is provided with a claw, and the liquid-cooled tube is held by the claw and positioned outside the plate main body.

4. The battery module according to claim 3, wherein the jaws are configured in a shape in which an opening is small and an inner space is large, and an opening width dimension of the jaws is smaller than a width dimension of the liquid-cooled tube.

5. The battery module according to claim 4, wherein the claw is provided on the outer surface of the plate main body, the claw includes a first rib and a second rib, the first rib and the second rib are both provided on the outer surface of the plate main body and extend in the front-rear direction, the first rib and the second rib are arranged at intervals in the up-down direction, and the gap between the first rib and the second rib at the opening of the claw is gradually reduced in the direction away from the plate main body.

6. The battery module according to claim 5, wherein the liquid cooling pipe is a U-shaped pipe, two branch parts of the liquid cooling pipe are clamped by the clamping jaws, a first rib of each clamping jaw is positioned on the inner side of the U-shaped pipe, a second rib of each clamping jaw is positioned on the outer side of the U-shaped pipe, one end of each first rib is shorter than the corresponding second rib, and the other end of each first rib is flush with the corresponding second rib.

7. The battery module according to claim 3, wherein the inner side surfaces of the claws are formed in an arc surface shape that fits the shape of the liquid cooling pipe.

8. The battery module according to claim 5, wherein each of the first ribs and the second ribs has a mounting surface and a support surface, the mounting surfaces of the first ribs and the second ribs being disposed opposite to each other; the support surfaces of the first and second ribs face away from each other; one side of the mounting surface, which is close to the plate main body, is perpendicular to the plate main body, an arc-shaped surface is constructed on one side of the mounting surface, which is far away from the plate main body, and the supporting surface extends towards the direction far away from the plate main body and inclines towards the direction of the mounting surface.

9. The battery module according to claim 2, wherein the plate main body is provided with positioning parts connected with the front edge and/or the rear edge of the plate main body, the positioning parts being adapted to wrap the end plates.

10. A battery pack, comprising the battery module according to any one of claims 1 to 9.

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