CN218731481U - Battery module shell, battery module and all-terrain vehicle - Google Patents

Abstract

The utility model discloses a battery module shell, battery module and all terrain vehicle, battery module shell includes: the cooling device comprises a bottom plate, a first cooling flow channel and a second cooling flow channel, wherein the first cooling flow channel is arranged in the bottom plate; the bottom plate and the at least two side plates are of an integrally formed structure, a second cooling flow channel is arranged in each side plate and communicated with the first cooling flow channel, and the first direction is perpendicular to the second direction. So, make the week side and the curb plate contact of electric core, when electric core needs the cooling, can make the coolant liquid that the temperature is low take away the heat of electric core through heat-conduction to electric core rapid cooling, when electric core needs the heating, can make the high coolant liquid of temperature with its heat transfer to electric core, heat-conduction efficiency is high, makes the inside temperature of electric core whole comparatively even, avoids appearing the difference in temperature or local heat enrichment region.

Description

Battery module shell, battery module and all-terrain vehicle

Technical Field

The utility model belongs to the technical field of the battery package technique and specifically relates to a battery module shell, battery module and all terrain vehicle are related to.

Background

The bottom temperature of battery and the top temperature of battery remain the temperature difference throughout during battery thermal management initial period, especially big cylinder battery, big square and big soft package, and battery height size is higher, and the temperature difference is bigger, and the battery bottom is big with the top difference in temperature, leads to battery attenuation degree to have the differentiation, bad phenomena such as swell even.

In the correlation technique, the liquid cooling board of battery module generally only dispels the heat to electric core bottom, the liquid cooling board is paved in the lower bottom surface of module promptly, the heat that electric core produced from top to bottom transmits the cold drawing to, the cold drawing of this kind of form can only be followed the bottom surface and dispeled the heat to electric core, especially electric core Z is to highly higher condition under, the heat ratio at electric core top is difficult to transmit the bottom, cause the radiating efficiency decline of power battery module, the thermal resistance risees, it is unfavorable to electric core electrical property to influence whole car water-cooling efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery module shell is equipped with first cooling runner at its bottom plate, and the curb plate is equipped with the second cooling runner with first cooling runner intercommunication, can carry out heat-conduction with the side direct contact of week of electric core, with electric core top heat transfer to bottom.

The utility model also provides a battery module.

The utility model also provides an all-terrain vehicle.

According to the utility model discloses battery module shell of the embodiment of first aspect, include: the cooling device comprises a bottom plate, a first cooling flow channel and a second cooling flow channel, wherein the first cooling flow channel is arranged in the bottom plate; the bottom plate and the at least two side plates are of an integrally formed structure, a second cooling flow channel is arranged in each side plate and is communicated with the first cooling flow channel, and the first direction is perpendicular to the second direction.

According to the utility model discloses a battery module shell, be equipped with first cooling runner and curb plate at the bottom plate and be equipped with second cooling runner, both can make electric core place in the accommodation space that bottom plate and curb plate formed, in order to guarantee the structural strength and the mechanical properties of battery module, the shell cost of electric core has been saved simultaneously, can also make the all sides of electric core and battery module shell direct contact, make can the heat exchange between the inside coolant liquid of battery module shell and the electric core, when electric core needs to cool down, can make the lower coolant liquid of temperature flow into in first cooling runner and the second cooling runner, take away the heat that electric core produced through heat-conduction, so circulate, can make electric core rapid cooling, when electric core needs to heat, can make the higher coolant liquid of temperature flow into in first cooling runner and the second cooling runner, with heat transfer to electric core, make it normally work, heat conduction efficiency is higher, and then make the inside temperature of electric core whole comparatively even, avoid appearing difference in temperature or local heat enrichment region, the life of battery module has effectively been prolonged.

According to some embodiments of the utility model, the battery module shell includes: the first plate body, the second plate body and the runner main body, the first plate body with the second plate body set up in the relative both sides of runner main body and sealed the relative both sides of runner main body, the first plate body the second plate body with the runner main body is the U-shaped and constitutes bottom plate and at least two the curb plate, the first plate body the second plate body with it has to construct between the runner main body first cooling runner with the second cooling runner.

According to some embodiments of the invention, the runner main body comprises: frame and a plurality of water conservancy diversion post, it is a plurality of the water conservancy diversion post set up in the frame is inboard and extend the setting towards the frame is inboard, adjacent two be formed with the guiding gutter between the water conservancy diversion post, first plate body with the second plate body is sealed the guiding gutter is in order to form first cooling channel with second cooling channel.

According to the utility model discloses a some embodiments, the runner main part is in the curb plate with the junction of bottom plate is provided with the post of bending, the width of post of bending is greater than the width of water conservancy diversion post.

According to some embodiments of the utility model, the battery module shell still includes: the end plate, the end plate set up in the bottom plate with the curb plate is in the both sides of third direction, the end plate is sealed first cooling runner just seals second cooling runner, be provided with the second connecting portion on the end plate.

According to some embodiments of the invention, the end plate further comprises: the sealing part is arranged at intervals in the third direction with the second connecting part, and the sealing part is connected with the edge of the third direction with the bottom plate and connected with the edge of the third direction with the side plate.

According to some embodiments of the utility model, the battery module shell still includes: the at least two water nozzles are connected to the outer sides of the bottom plate and/or the side plates and communicated with the first cooling flow channel and/or the second cooling flow channel.

According to the utility model discloses a some embodiments, the bottom plate and/or the curb plate is provided with the mouth of a river, the water injection well choke orientation the one end of mouth of a river is provided with the cooperation post and connects the boss, the external diameter of connecting the boss is greater than the external diameter of cooperation post, the cooperation post cooperation is in the mouth of a river, connect the boss with the bottom plate and/or the curb plate butt.

According to the utility model discloses battery module of the embodiment of second aspect includes: the battery module comprises a plurality of battery cores and a battery module shell, wherein a containing space is formed between the bottom plate and at least two side plates, and the battery cores are arranged in the containing space.

According to an embodiment of the third aspect of the present invention, an all-terrain vehicle comprises: the battery module is provided.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a battery module case with end plates according to an embodiment of the present invention;

fig. 2 is a process molding diagram of a battery module housing according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a battery module case according to an embodiment of the present invention without end plates;

fig. 4 is an exploded schematic view of a battery module housing according to an embodiment of the present invention;

fig. 5 is a front view of a battery module housing according to an embodiment of the present invention;

FIG. 6 is a partial enlarged view A of FIG. 5;

fig. 7 is a side view of a battery module housing according to an embodiment of the present invention;

fig. 8 is a top view of a battery module housing according to an embodiment of the present invention;

fig. 9 is a perspective view of an end plate according to an embodiment of the present invention;

fig. 10 is a side view of an end plate according to an embodiment of the invention.

Reference numerals:

100. a battery module housing;

10. a base plate; 11. a first cooling flow passage; 12. a side plate; 13. a second cooling flow channel; 14. a first plate body; 15. a second plate body; 16. a flow channel main body; 17. a frame; 18. a flow guide column; 19. a diversion trench; 20. bending the column; 21. an end plate; 22. a second connecting portion; 23. a sealing part; 24. a water nozzle; 25. a mating post; 26. connecting the bosses; 27. a water gap; 28. a receiving space.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

The following describes the battery module housing 100 according to an embodiment of the present invention with reference to fig. 1 to 10, and the present invention also provides a battery module and a vehicle having the above battery module housing 100.

As shown in fig. 1 to 6, the battery module case 100 includes: a bottom panel 10 and at least two side panels 12.

Wherein, be provided with first cooling runner 11 in the bottom plate 10, two at least curb plates 12 are connected at the relative both sides of bottom plate 10 along the first direction to set up along the second direction, bottom plate 10 and two at least curb plates 12 are the integrated into one piece structure, are provided with second cooling runner 13 in the curb plate 12, and second cooling runner 13 and first cooling runner 11 intercommunication, first direction and second direction mutually perpendicular.

That is, the at least two side plates 12 are connected to two opposite sides of the bottom plate 10 along the first direction thereof and extend along the second direction, so that the bottom plate 10 and the at least two side plates 12 together form the accommodating space 28 for wrapping the battery cell. Further, the bottom plate 10 and the at least two side plates 12 are formed as an integral structure, and the first cooling flow passage 11 is provided in the bottom plate 10, and the second cooling flow passage 13 is provided in the side plate 12, so that the first cooling flow passage 11 and the second cooling flow passage 13 are communicated with each other, and the cooling liquid can be circulated in the first cooling flow passage 11 and the second cooling flow passage 13.

Moreover, when the temperature of the battery core is high, the heat of the battery core can be transferred to the cooling liquid through the battery module housing 100, and then the heat of the battery core is taken away, so that the temperature of the battery core is reduced; when the temperature of electricity core is lower, can be through the higher coolant liquid of temperature with self heat transfer to battery module shell 100, battery module shell 100 gives the electricity core with heat transfer to the realization is to the heating of electricity core. So, battery module shell 100's setting can make the week side of electric core and battery module shell 100 direct contact on the one hand, and heat conduction efficiency is high, and the coolant liquid is at first cooling runner 11 and 13 cooling cycle of second cooling runner, can make the temperature of electric core comparatively even, and then the temperature that makes every electric core and the temperature of whole electric core have good uniformity, effectively reduced the difference in temperature and reduced local heat enrichment region, thereby prolong the life of electric core more effectively. On the other hand, battery module shell 100 directly regards as the shell of electric core, when effectively dispelling the heat to electric core, can guarantee battery module's structural strength and mechanical properties, has saved the shell cost of electric core simultaneously. In addition, the battery module case 100 has an integrally formed structure, and has a simple processing process, high production efficiency and low cost.

Here, the heat transfer refers to a process of transferring heat from an object having a high temperature to an object having a low temperature by bringing two objects into contact with each other, and is also called heat conduction. And, in the present invention, the first direction is a width direction of the bottom plate 10, the second direction is a height direction of the bottom plate 10, and the third direction may be a length direction of the bottom plate 10.

From this, be equipped with first cooling runner 11 and curb plate 12 at bottom plate 10 and be equipped with second cooling runner 13, both can make electric core place in bottom plate 10 and curb plate 12 formed accommodation space 28, in order to guarantee battery module's structural strength and mechanical properties, the shell cost of electric core has been saved simultaneously, can also make the all sides of electric core and battery module shell 100 direct contact, make can the heat exchange between the coolant liquid in battery module shell 100 and the electric core, when electric core needs to cool down, can make the lower coolant liquid of temperature flow into first cooling runner 11 and second cooling runner 13, take away the heat that electric core produced through heat-conduction, so circulate, can make electric core rapid cooling, when electric core needs to heat, can make the higher coolant liquid of temperature flow into first cooling runner 11 and second cooling runner 13, with heat transfer to electric core, make it normally work, heat conduction efficiency is higher, and then make the temperature of electric core inside is whole comparatively even, avoid appearing difference in temperature or local heat enrichment region, the life of battery module has effectively been prolonged.

As shown in fig. 2 to 4, the battery module case 100 includes: the cooling plate comprises a first plate body 14, a second plate body 15 and a flow passage main body 16, wherein the first plate body 14 and the second plate body 15 are arranged on two opposite sides of the flow passage main body 16 and seal the two opposite sides of the flow passage main body 16, the first plate body 14, the second plate body 15 and the flow passage main body 16 are all U-shaped and form a bottom plate 10 and at least two side plates 12, and a first cooling flow passage 11 and a second cooling flow passage 13 are constructed among the first plate body 14, the second plate body 15 and the flow passage main body 16. Specifically, referring to fig. 4, in the second direction, the first plate 14, the flow channel main body 16 and the second plate 15 are sequentially stacked together, and the first plate 14 and the second plate 15 are respectively disposed on two opposite sides of the flow channel main body 16, so that the first cooling flow channel 11 and the second cooling flow channel 13 are jointly configured among the first plate 14, the second plate 15 and the flow channel main body 16. Moreover, the first plate 14, the flow channel main body 16 and the second plate 15 are bent at the same position to form a U-shaped structure, so that the first plate 14, the second plate 15 and the flow channel main body 16 jointly form the bottom plate 10 and at least two side plates 12. That is, after the first plate 14, the flow passage main body 16, and the second plate 15 are bent, the portions of the first plate 14, the flow passage main body 16, and the second plate 15 on opposite sides in the first direction constitute the side plates 12, and the portion in the middle in the first direction constitutes the bottom plate 10.

In the present invention, the first plate 14, the second plate 15 and the flow channel main body 16 constitute a bottom plate 10 and at least two side plates 12, and the processing procedure is as follows: the first plate body 14, the flow channel main body 16 and the second plate body 15 can be preassembled through a welding tool fixture, and after assembly, a battery module shell 100 blank can be formed through welding of a brazing furnace, as shown in fig. 2, the battery module shell 100 blank is bent into a U-shaped battery module shell 100 blank through a bending process, and finally the U-shaped battery module shell 100 blank is machined into a required installation and process structure through a precision machine tool, so that the assembly condition of a battery module can be met. By the processing method, the cost for manufacturing the battery module shell 100 die and the die opening period are effectively reduced, the welding process of the battery module shell 100 is changed from the friction stir welding process to the brazing process, the production efficiency is improved, the welding cost is reduced, and the forming process is simple.

Wherein, the flow path main body 16 includes: frame 17 and a plurality of flow guide post 18, a plurality of flow guide post 18 set up in frame 17 inboard to extend towards frame 17 inboard and set up, be formed with guiding gutter 19 between two adjacent flow guide posts 18, first plate body 14 and second plate body 15 seal guiding gutter 19 in order to form first cooling runner 11 and second cooling runner 13. So set up, a plurality of guiding columns 18 are established at frame 17 inboard and are extended the setting, all are formed with guiding gutter 19 between two liang of adjacent guiding columns 18, communicate each other between a plurality of guiding gutters 19, and first plate body 14 lid is established on runner main part 16 after, seals guiding gutter 19 to form first cooling runner 11 and second cooling runner 13. Wherein, first plate body 14 lid is established on runner main part 16, mainly sealed guiding gutter 19, and second plate body 15 deviates from one side of first plate body 14 to runner main part 16, mainly reinforces the structure of runner main part 16 and first plate body 14, with the leakproofness of guaranteeing first cooling runner 11 and second cooling runner 13 and the structural strength and the mechanical properties of whole battery module shell 100, thereby effectively resist external force effect, prevent to destroy electric core and first cooling runner 11 and second cooling runner 13.

The flow path main body 16 is provided with a bent column 20 at the joint between the side plate 12 and the bottom plate 10, and the width of the bent column 20 is larger than the width of the guide column 18. That is to say, the junction of curb plate 12 and bottom plate 10 is the department of bending, and runner main part 16 is equipped with the post 20 of bending in the department of bending, after first plate body 14, runner main part 16 and second plate body 15 sealing connection, wholly bends first plate body 14, second plate body 15 and runner main part 16, can effectively guarantee that the department of bending is difficult to appear splitting to form bottom plate 10 and curb plate 12 of integral type structure.

Further, the first cooling flow passage 11 and the second cooling flow passage 13 are arranged to extend in a third direction, and the first direction and the third direction are arranged perpendicular to each other. That is to say, first cooling runner 11 and second cooling runner 13 extend along the length direction of bottom plate 10 and set up for first cooling runner 11 and second cooling runner 13 distribute on bottom plate 10 and curb plate 12 with the biggest area ground, with the increase with the area of contact of electric core, thereby can effectively improve heat-conduction efficiency, realize rapid cooling and the heating to electric core.

In an embodiment of the present invention, the bottom plate 10 and/or the side plate 12 are provided with a first connection portion (not shown in the drawings) at an edge of the third direction. So set up, bottom plate 10 and/or curb plate 12 are equipped with first connecting portion in the edge of third direction, can be used for connecting other parts, and then can cover the U-shaped opening part of establishing at bottom plate 10 and curb plate 12 to wrap up the side of electric core, play the effect of protection electric core.

As shown in fig. 5 to 10, in another embodiment of the present invention, the battery module case 100 further includes: end plates 21, the end plates 21 being provided on both sides of the bottom plate 10 and the side plates 12 in the third direction, the end plates 21 sealing the first cooling flow passages 11 and the second cooling flow passages 13, the end plates 21 being provided with second connecting portions 22. With this arrangement, the end plate 21 is disposed on two sides of the bottom plate 10 and the side plate 12 in the third direction, and is used for sealing the first cooling flow channel 11 and the second cooling flow channel 13 to prevent the cooling liquid from leaking outside, and the second connecting portion 22 is disposed on the end plate 21, and can be used for fixedly connecting other components to serve as a part of the cell casing, so as to protect the side surface of the cell.

Wherein the end plate 21 further includes: the sealing portion 23, the sealing portion 23 and the second connecting portion 22 are spaced apart in the third direction, and the sealing portion 23 is connected to the edge of the bottom plate 10 in the third direction and to the edge of the side plate 12 in the third direction. With this arrangement, in the third direction, the end plate 21 is provided with the sealing portion 23 on the side facing the edges of the bottom plate 10 and the side plate 12, the end plate 21 is provided with the second connecting portion 22 on the side facing away from the bottom plate 10 and the side plate 12, wherein the sealing portion 23 may be a boss, after the first plate 14 and the second plate 15 are attached to the two opposite sides of the flow channel main body 16, based on the fact that the first plate 14 and the second plate 15 have a larger overall size relative to the flow channel main body 16, an installation space is formed between the first plate 14 and the second plate 15 at the edge of the flow channel main body 16, so that the sealing portion 23 can be inserted into the installation space, thereby achieving the sealing fit between the sealing portion 23 and the bottom plate 10 and the side plate 12, and further preventing the coolant from leaking outside. In addition, carry out welded connection between battery module shell 100 and the end plate 21, carry out the predetermined position installation through sealing 23 earlier before the welding, the accurate location is carried out to rethread welding frock clamp to can make battery module shell 100 and end plate 21 adopt friction stir welding to weld as an organic whole.

Moreover, the edge of the side plate 12 in the second direction is provided with a third connecting portion (not shown in the drawings), so that the top plate at the top of the battery cell can be fixedly connected with the third connecting portion, and the top plate can form a housing together with the bottom plate 10 and the side plate 12, so as to wrap the battery cell and play a role in protecting the battery cell.

In addition, the battery module case 100 further includes: at least two water nozzles 24, at least two water nozzles 24 are connected to the outer side of the bottom plate 10 and/or the side plate 12, and at least two water nozzles 24 are communicated with the first cooling flow channel 11 and/or the second cooling flow channel 13. Referring to fig. 5, a water nozzle 24 is arranged on the outer side of one of the side plates 12, a water nozzle 24 is arranged on the outer side of the other side plate 12, and the two water nozzles 24 are connected to the second cooling flow channel 13, so that the cooling liquid can enter the second cooling flow channel 13 of one of the side plates 12 from one water nozzle 24, sequentially flow through the first cooling flow channel 11 of the bottom plate 10 and the second cooling flow channel 13 of the other side plate 12, and flow out from the water nozzle 24 of the other side plate 12, and thus, the circumferential side surface of the battery cell can be rapidly cooled or heated, and the battery cell can normally operate at an appropriate temperature. Of course, the at least two water nozzles 24 may also be disposed at other positions to ensure that the cooling liquid can circulate in the first cooling flow channel 11 and the second cooling flow channel 13, so as to achieve the purpose of heat exchange with the battery cell.

The bottom plate 10 and/or the side plate 12 are provided with a water gap 27, one end of the water nozzle 24 facing the water gap 27 is provided with a matching column 25 and a connecting boss 26, the outer diameter of the connecting boss 26 is larger than that of the matching column 25, the matching column 25 is matched in the water gap 27, and the connecting boss 26 is abutted against the bottom plate 10 and/or the side plate 12. So configured, referring to fig. 5 and 6, the water nozzle 24 is installed at the water nozzle 27 of the bottom plate 10 and/or the side plate 12 to facilitate the injection of the cooling liquid into the first cooling flow passage 11 and/or the second cooling flow passage 13. And, be equipped with cooperation post 25 and connection boss 26 in mouth of a river 27 department, cooperation post 25 and connection boss 26 can be integrated into one piece structure, wherein, cooperation post 25 is sealed to be installed in mouth of a river 27 department, carry out prepositioning to water injection well choke 24, furthermore, connection boss 26 is established in the outside that cooperation post 25 is towards water injection well choke 24, and the external diameter of connection boss 26 is greater than the external diameter of cooperation post 25, can make connection boss 26 butt in the surface of bottom plate 10 and/or curb plate 12 after cooperation post 25 is installed in mouth of a river 27, further spacing fixedly to water injection well choke 24, then can carry out more accurate location through the welding frock, and through brazing technology weld forming, realize the fixed connection of water injection well choke 24 and bottom plate 10 and/or curb plate 12.

According to the utility model discloses battery module of the embodiment of second aspect includes: a plurality of electric cores and battery module shell 100 are formed with accommodation space 28 between bottom plate 10 and two at least curb plates 12, and a plurality of electric cores set up in accommodation space 28.

According to an embodiment of the third aspect of the present invention, an all-terrain vehicle comprises: a battery module is provided.

Therefore, be equipped with first cooling runner 11 and curb plate 12 at bottom plate 10 and be equipped with second cooling runner 13, both can make the electric core place in bottom plate 10 and the accommodation space 28 that curb plate 12 formed, play the effect of guaranteeing the electric core, can also make week side and the bottom of electric core and battery module shell 100 direct contact, make and carry out the heat exchange between the coolant liquid in battery module shell 100 and the electric core, and when the electric core needs to cool down, can make the lower coolant liquid of temperature flow in first cooling runner 11 and second cooling runner 13, take away the heat that the electric core produced through heat-conduction, so circulate, can make electric core rapid cooling, when the electric core needs to heat, can make the higher coolant liquid of temperature flow in first cooling runner 11 and second cooling runner 13, in order to transmit the heat to the electric core, make it can normally work, heat-conduction efficiency is higher, and then make the inside temperature of electric core whole comparatively even, avoid appearing the difference in temperature or local heat enrichment region, the life of battery module has effectively been prolonged. And, battery module shell 100 is the integrated into one piece structure, directly as the shell of electric core, when effectively dispelling the heat to electric core, can guarantee the structural strength and the mechanical properties of battery module, and processing technology is simple, and production efficiency is high, has effectively saved the shell cost and the processing cost of electric core.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery module housing (100), comprising:

the cooling device comprises a bottom plate (10), wherein a first cooling flow channel (11) is arranged in the bottom plate (10);

the cooling structure comprises at least two side plates (12), wherein the side plates (12) are connected to two opposite sides of the bottom plate (10) along a first direction and are arranged along a second direction, the bottom plate (10) and the side plates (12) are of an integrally formed structure, second cooling flow channels (13) are arranged in the side plates (12), the second cooling flow channels (13) are communicated with the first cooling flow channels (11), and the first direction is perpendicular to the second direction.

2. The battery module housing (100) according to claim 1, comprising: first plate body (14), second plate body (15) and runner main part (16), first plate body (14) with second plate body (15) set up in the relative both sides of runner main part (16) and sealed the relative both sides of runner main part (16), first plate body (14) second plate body (15) with runner main part (16) are the U-shaped and constitute bottom plate (10) and at least two curb plate (12), first plate body (14) second plate body (15) with be constructed between runner main part (16) first cooling runner (11) with second cooling runner (13).

3. The battery module housing (100) according to claim 2, wherein the flow channel body (16) comprises: frame (17) and a plurality of water conservancy diversion post (18), it is a plurality of water conservancy diversion post (18) set up in frame (17) is inboard and extend the setting towards frame (17) is inboard, adjacent two be formed with guiding gutter (19) between water conservancy diversion post (18), first plate body (14) with second plate body (15) are sealed guiding gutter (19) are in order to form first cooling runner (11) with second cooling runner (13).

4. The battery module housing (100) according to claim 3, wherein the flow channel main body (16) is provided with bent columns (20) at the connection of the side plates (12) and the bottom plate (10), and the width of the bent columns (20) is greater than the width of the flow guide columns (18).

5. The battery module housing (100) of claim 1, further comprising: end plate (21), end plate (21) set up in bottom plate (10) with curb plate (12) are in the both sides of third direction, end plate (21) are sealed first cooling runner (11) and sealed second cooling runner (13), be provided with second connecting portion (22) on end plate (21).

6. The battery module case (100) according to claim 5, wherein the end plate (21) further comprises: the sealing part (23) and the second connecting part (22) are arranged at intervals in the third direction, and the sealing part (23) and the bottom plate (10) are connected at the edge of the third direction and connected with the side plate (12) at the edge of the third direction.

7. The battery module housing (100) of claim 1, further comprising: the water nozzles (24) are connected to the outer sides of the bottom plate (10) and/or the side plate (12), and the water nozzles (24) are communicated with the first cooling flow channel (11) and/or the second cooling flow channel (13).

8. The battery module housing (100) according to claim 7, wherein the bottom plate (10) and/or the side plate (12) is provided with a water gap (27), one end of the water nozzle (24) facing the water gap (27) is provided with a fitting post (25) and a connecting boss (26), an outer diameter of the connecting boss (26) is larger than an outer diameter of the fitting post (25), the fitting post (25) is fitted in the water gap (27), and the connecting boss (26) abuts against the bottom plate (10) and/or the side plate (12).

9. A battery module, comprising:

a plurality of cells;

the battery module housing (100) of any one of claims 1 to 8, a receiving space (28) being formed between the bottom plate (10) and at least two of the side plates (12), a plurality of the cells being disposed within the receiving space (28).

10. An all-terrain vehicle, comprising: the battery module according to claim 9.

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