CN220544043U - Battery pack and vehicle - Google Patents

Abstract

This novel battery package and vehicle that discloses includes: a tray configured with a flow channel, the tray having a bottom plate and side panels; the first connector is mounted on the side wall board, and the second connector is mounted on the bottom plate and communicated with the runner; the guide pipe is arranged in the tray and provided with a first end and a second end, the first end is connected with the first connector, and the second end is connected with the second connector; the distance between the part of the limiting surface except the first end and the bottom plate is smaller than the distance between the first end of the limiting surface and the bottom plate. The battery pack has the advantages of good heat dissipation effect, high space utilization rate and the like.

Description

Battery pack and vehicle

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery pack and a vehicle.

Background

The battery pack in the related art is provided with the liquid cooling plate, the liquid cooling plate for cooling the battery cell is connected with the cold plate connector, and the cold plate connector is used for entering and exiting cooling liquid, but the liquid cooling plate connector in the related art occupies more space during installation, is unfavorable for improving the space utilization rate, and influences the energy density of the battery pack.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery pack having advantages of good heat dissipation effect, high space utilization, and the like.

The utility model further provides a vehicle with the battery pack.

In order to achieve the above object, according to an embodiment of the present utility model, there is provided a battery pack including: a tray configured with a flow channel, the tray having a bottom plate and side panels; the first connector is mounted on the side wall board, and the second connector is mounted on the bottom plate and communicated with the runner; the guide pipe is arranged in the tray and provided with a first end and a second end, the first end is connected with the first connector, and the second end is connected with the second connector; the distance between the part of the limiting surface except the first end and the bottom plate is smaller than the distance between the first end of the limiting surface and the bottom plate.

The battery pack provided by the embodiment of the utility model has the advantages of good heat dissipation effect, high space utilization rate and the like.

According to some embodiments of the utility model, the draft tube is a straight tube, and the draft tube is disposed obliquely with respect to both the bottom plate and the side wall.

According to some embodiments of the utility model, the flow guide pipe is an elbow pipe, and the flow guide pipe protrudes toward at least one of the side wall plate and the bottom plate.

According to some embodiments of the utility model, one of the first joint and the second joint is integrally formed with the draft tube, and the other of the first joint and the second joint is provided separately from the draft tube.

According to some embodiments of the utility model, the first joint has a joint, the joint being arranged perpendicular to the side gusset; the second connector is provided with a guide opening, and the guide opening is perpendicular to the bottom plate; wherein, the included angle between the interface and the guide opening is 75-87 degrees.

According to some embodiments of the utility model, the draft tube is a straight tube, and the draft tube is obliquely arranged relative to both the bottom plate and the side wall plate; the first connector is provided with an interface, and the interface is perpendicular to the side wall board; wherein, the included angle between the honeycomb duct and the interface is 17-60 degrees.

According to some embodiments of the utility model, the battery pack further comprises: and the battery cell is arranged in the tray assembly. The power distribution structure is connected with the electric core and located on the same side of the electric core with the flow guide pipe, and the second connector, the flow guide pipe and the power distribution structure are distributed along the height direction of the side wall plate.

According to some embodiments of the utility model, the battery pack further comprises: the support is connected with the battery cell and is located on the same side of the battery cell with the honeycomb duct, and the support is located between the power distribution structure and the honeycomb duct in the height direction of the side coaming.

According to some embodiments of the utility model, the battery pack further comprises: the protective cover is connected with the battery cell and located on the same side of the battery cell with the honeycomb duct, and the protective cover is located between the power distribution structure and the honeycomb duct on the height of the side coaming.

According to an embodiment of the present utility model, a vehicle is provided that includes a battery pack according to an embodiment of the present utility model.

According to the vehicle of the embodiment of the utility model, the battery pack of the embodiment of the utility model has the advantages of good heat dissipation effect, high space utilization rate, high energy density, high specific density and the like.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a sectional view of a battery pack according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a tray assembly according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a tray assembly according to an embodiment of the present utility model.

Fig. 4 is an exploded view of the first joint, the second joint, and the draft tube of the tray assembly according to an embodiment of the present utility model.

Fig. 5 is an exploded view of a first joint, a second joint and a draft tube of a tray assembly according to another embodiment of the present utility model.

Fig. 6 is a schematic structural view of a tray assembly according to still another embodiment of the present utility model.

Fig. 7 is an exploded view of a first joint, a second joint and a draft tube of a tray assembly according to yet another embodiment of the present utility model.

Fig. 8 is a schematic structural view of a flow field plate of a tray assembly according to an embodiment of the present utility model.

Reference numerals:

1. a tray assembly; 2. a battery cell; 3. a battery pack; 4. a cover plate; 5. a power distribution structure; 6. a bracket; 7. a protective cover;

100. a tray; 101. a flow passage; 102. a bottom plate; 103. side coaming; 110. a tray body; 120. a flow channel plate; 130. a temperature equalizing plate;

200. a first joint; 210. a first fixed section; 220. a first connection section; 230. a third fixed section; 240. a third connecting section; 250. an interface;

300. a second joint; 310. a second fixed section; 320. a second connection section; 330. a fourth fixed section; 340. a fourth connecting section; 350. a guide port;

400. a flow guiding pipe; 401. a first end; 402. a second end; 403. a limiting surface; 410. a flow inlet pipe; 420. a outflow pipe;

500. a first seal ring; 600. a fastener; 700. and a second sealing ring.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, "plurality" means two or more.

The battery pack 1 according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 8, the battery pack 1 according to the embodiment of the present utility model includes a tray 100, a first connector 200, a second connector 300, and a flow guide 400.

The tray 100 is configured with a flow channel 101, the tray 100 is provided with a bottom plate 102 and a side wall plate 103, the side wall plate 103 is connected to the outer peripheral side of the bottom plate 102, a first joint 200 is mounted on the side wall plate 103 and is exposed from the side wall plate 103, a second joint 300 is mounted on the bottom plate 102 and is communicated with the flow channel 101, and a flow guide pipe 400 is arranged in the tray 100 and is respectively connected with the first joint 200 and the second joint 300. Specifically, the draft tube 400 has a first end 401 and a second end 402, the first end 401 being connected to the first connector 200, and the second end 402 being connected to the second connector 300.

For example, the first joint 200 may be welded to the side wall plate 103, the second joint 300 may be welded to the bottom plate 102, and the draft tube 400 may be welded to the first joint 200 and the second joint 300, respectively, to improve sealability.

Wherein, the side surface of the flow guiding pipe 400 facing away from the bottom plate 102 forms a limiting surface 403, and the distance between the part of the limiting surface 403 except the first end 401 and the bottom plate 102 is smaller than the distance between the first end 401 of the limiting surface 403 and the bottom plate 102. That is, the limiting surface 403 is not a horizontal plane, and the limiting surface 403 is disposed at least partially obliquely downward in a direction extending toward the second end 402 after the first end 401, such that the first end 401 of the limiting surface 403 is higher than other portions of the limiting surface 403, that is, the first end 401 of the limiting surface 403 is at the highest point, as shown in fig. 2, a distance between the first end 401 of the limiting surface 403 and the bottom plate 102 is L1, a distance between the second end 402 of the limiting surface 403 and the bottom plate 102 is L2, L2 < L1, and a distance between a portion of the limiting surface 403 located between the first end 401 and the second end 402 and the bottom plate 102 is between L1 and L2.

In this way, the height of the guide tube 400 can be limited by limiting the height of the limiting surface 403, so that the installation space required by the battery pack 3 can be reduced, that is, the space occupied by the first connector 200, the guide tube 400 and the second connector 300 is reduced, the space in the tray assembly 1 is greatly utilized, the space utilization rate is improved, and the energy density and the specific density of the battery pack 2 are improved.

According to the battery pack 1 of the embodiment of the utility model, the tray 100 is provided with the flow channel 101, and the tray 100 is provided with the bottom plate 102 and the side wall 103, that is, the tray 100 integrates the function of cooling the battery cells 2, the bottom plate 102 and the side wall 103 can cool the battery cells 2 from different sides of the battery cells 2, the heat dissipation area is increased, the heat exchange efficiency is improved, in addition, the cooling plate is not required to be additionally arranged, the material is saved, the overall weight of the battery pack 3 is reduced, and the process of connecting and sealing the cooling plate and the tray 100 on a production line is omitted.

The first joint 200 is attached to the side wall 103 and exposed from the side wall 103, the second joint 300 is attached to the bottom plate 102 and communicates with the flow passage 101, and the draft tube 400 is provided in the tray 100 and connected to the first joint 200 and the second joint 300, respectively.

By providing the first joint 200, the flow guide pipe 400 and the second joint 300, the cooling liquid can be supplemented to the flow channel 101 or the cooling liquid in the flow channel 101 can be discharged, and the first joint 200 is mounted on the side wall plate 103, so that the mounting and fixing between the first joint 200 and the tray assembly 1 are realized, and the space of the tray assembly 1 can be fully utilized.

In addition, the flow guide tube 400 has less installation space in the battery pack 3 by reasonably arranging the limiting surface 403, that is, the space occupied by the first connector 200, the flow guide tube 400 and the second connector 300 is reduced, the space in the tray assembly 1 is greatly utilized, the space utilization rate is improved, and the energy density and the specific density of the battery pack 2 are improved.

Thus, the battery pack 1 according to the embodiment of the utility model has the advantages of good heat dissipation effect, high space utilization rate and the like.

According to some embodiments of the present utility model, as shown in fig. 1, 2, 6, and 7, the distance between the defining surface 403 and the base plate 102 decreases gradually from the first end 401 to the second end 402. Thus, the honeycomb duct 400 is small in occupied space required by arrangement in the battery pack 3, is more compact in structure, and can effectively improve the space utilization of the battery pack 3, thereby improving the specific energy and the energy density of the battery pack 3.

According to some embodiments of the present utility model, as shown in fig. 1 and 2, the flow guide 400 is a straight pipe, and the flow guide 400 is disposed obliquely with respect to both the bottom plate 102 and the side wall 103. Thus, the size of the flow guide pipe 400 is minimized, the material consumption of the flow guide pipe 400 is minimized, the cost can be saved, and the weight of the battery pack 3 can be reduced.

According to some embodiments of the present utility model, as shown in fig. 1 and 2, the first joint 200 includes a first fixing section 210 and a first connecting section 220 connected to each other, the first fixing section 210 is provided at the side wall plate 103 and exposed from the side wall plate 103, the first fixing section 210 is disposed perpendicular to the side wall plate 103, the flow guide pipe 400 is connected to the first connecting section 220, and the first connecting section 220 is disposed parallel to the flow guide pipe 400 and is inclined with respect to the first fixing section 210.

Because the structures of the first connector 200 and the flow guiding pipe 400 are more compact, the arrangement space of the first connector 200 is smaller, so that the first fixing section 210 and the side wall 103 are kept vertical, interference between the first connector 200 and other parts in the battery pack 3 can be avoided, the safety distance is kept, and the processing and the assembly are more convenient.

In addition, the first fixing section 210 is exposed from the side wall 103, so that the device for facilitating the external storage of the cooling liquid is connected with the first fixing section 210, and the first connecting section 220 is obliquely arranged relative to the first fixing section 210, so that the space required for arranging the first connector 200 is smaller, interference between the first connector 200 and other parts in the battery pack 3 can be avoided, and the safety distance is easily maintained.

In addition, the first connection section 220 is arranged parallel to the flow guiding pipe 400, so that the connection between the first connection section 220 and the flow guiding pipe 400 is facilitated, and the sealing effect is good.

According to some embodiments of the present utility model, as shown in fig. 1 and 2, the second connector 300 includes a second fixing section 310 and a second connecting section 320 connected to each other, the second fixing section 310 is provided on the base plate 102, the second fixing section 310 is disposed perpendicular to the base plate 102, the flow guide 400 is connected to the second connecting section 320, and the second connecting section 320 is disposed parallel to the flow guide 400 and is disposed obliquely with respect to the second fixing section 310.

Because the structures of the second connector 300 and the flow guiding tube 400 are more compact, the arrangement space of the second connector 300 is smaller, so that the second fixing section 310 is kept vertical to the bottom plate 102, interference between the second connector 300 and other parts in the battery pack 3 can be avoided, the safe distance is easy to keep, and the processing and the assembly are convenient.

In addition, the second connecting section 320 is obliquely arranged relative to the second fixing section 310, so that the space required for arranging the second connector 300 is smaller, interference between the second connector 300 and other parts in the battery pack 3 can be avoided, and a safety distance is easy to maintain.

In addition, the second connecting section 320 is arranged parallel to the flow guiding pipe 400, so that the second connecting section 320 and the flow guiding pipe 400 are convenient to connect and have good sealing effect.

According to some embodiments of the present utility model, as shown in fig. 6 and 7, the flow guide 400 is a bent pipe, and the flow guide 400 protrudes toward at least one of the side wall 103 and the bottom plate 102. In this way, the extension curve of the flow guide pipe 400 is more attached to the inner surface of the tray 100, so that the structure of the battery pack 3 is more compact, the space utilization rate is higher, the occupied space is extremely small, and the specific energy and the energy density of the battery pack 3 are further improved.

According to some embodiments of the present utility model, as shown in fig. 6 and 7, the first joint 200 includes a third fixing section 230 and a third connecting section 240 connected to each other, the third fixing section 230 is provided on the side wall plate 103 and exposed from the side wall plate 103, the third fixing section 230 is disposed perpendicular to the side wall plate 103, the flow guide pipe 400 is connected to the third connecting section 240, and the third connecting section 240 is tangent to the flow guide pipe 400 and perpendicular to the third fixing section 230.

Because the structures of the first connector 200 and the flow guiding pipe 400 are more compact, the arrangement space of the first connector 200 is smaller, so that the third fixing section 230 and the side wall 103 are kept vertical, interference between the first connector 200 and other parts in the battery pack 3 can be avoided, the safe distance is easy to keep, and the processing and the assembly are more convenient.

In addition, the third fixing section 230 is exposed from the side wall 103, so that the device for facilitating the external storage of the cooling liquid is connected with the third fixing section 230, and the third connecting section 240 is vertically disposed with respect to the third fixing section 230, so that the space required for the arrangement of the first connector 200 is smaller, interference between the first connector 200 and other parts in the battery pack 3 can be avoided, and the safety distance can be easily maintained.

In addition, since the third fixing section 230 is perpendicular to the side wall 103 and the third connecting section 240, the third connecting section 240 is parallel to the side wall 103, so that the third connecting section 240 is tangent to the flow guide pipe 400, the extension curve of the flow guide pipe 400 and the inner surface of the side wall 103 can be guaranteed to be more fit, the structure of the battery pack 3 is more compact, the space utilization rate is higher, the occupied space is extremely small, and the specific energy and the energy density of the battery pack 3 are further improved.

According to some embodiments of the present utility model, as shown in fig. 6 and 7, the second connector 300 includes a fourth fixing section 330 and a fourth connecting section 340 connected to each other, the fourth fixing section 330 is provided on the base plate 102, the fourth fixing section 330 is disposed perpendicular to the base plate 102, the flow guide 400 is connected to the fourth connecting section 340, and the fourth connecting section 340 is tangential to the flow guide 400 and opposite to the fourth fixing section 330.

Because the structures of the second connector 300 and the flow guiding tube 400 are more compact, the arrangement space of the second connector 300 is smaller, so that the fourth fixing section 330 is kept vertical to the bottom plate 102, interference between the second connector 300 and other parts in the battery pack 3 can be avoided, the safe distance is easy to keep, and the processing and the assembly are convenient.

In addition, the fourth connecting section 340 is vertically disposed with respect to the fourth fixing section 330, so that the space required for arranging the second connector 300 is smaller, interference between the second connector 300 and other components in the battery pack 3 can be avoided, and a safe distance can be easily maintained.

In addition, since the fourth fixing section 330 is perpendicular to the bottom plate 102 and the fourth connecting section 340, the fourth connecting section 340 is parallel to the bottom plate 102, and therefore the fourth connecting section 340 is tangent to the flow guiding pipe 400, it can be ensured that the extension curve of the flow guiding pipe 400 is more attached to the inner surface of the bottom plate 102, the structure of the battery pack 3 is more compact, the space utilization rate is higher, the occupied space is extremely small, and the specific energy and the energy density of the battery pack 3 are further improved.

According to some embodiments of the present utility model, as shown in fig. 4, one of the first connector 200 and the second connector 300 is integrally formed with the flow guide 400, and the other of the first connector 200 and the second connector 300 is provided separately from the flow guide 400. In this way, the welding between the flow guide 400 and the first and second joints 200 and 300 is not required, and the installation error and the machining error between the flow guide 400 and the first and second joints 200 and 300 can be effectively absorbed.

According to some embodiments of the present utility model, as shown in fig. 4, a first sealing ring 500 is provided between the other of the first joint 200 and the second joint 300 and the end surface of the draft tube 400. For example, the first seal ring 500 may be vulcanization molded. In this way, the gap between the other of the first joint 200 and the second joint 300 and the end face of the draft tube 400 can be effectively filled, and the sealability of the coolant in the flow direction thereof can be improved.

According to some embodiments of the present utility model, as shown in fig. 4, the first joint 200 and the second joint 300 are connected to each other and fastened by a fastener 600, and a second sealing ring 700 is provided between the first joint 200 and the second joint 300. For example, the second seal 700 may be vulcanization molded. In this way, the gap between the first joint 200 and the second joint 300 can be filled effectively, further improving the sealability of the coolant in the flow direction thereof.

According to some embodiments of the present utility model, as shown in fig. 1, the first connector 200 has a connector 250, the connector 250 is disposed perpendicular to the side wall 103, the second connector 300 has a guide opening 350, and the guide opening 350 is disposed perpendicular to the bottom plate 102, wherein an angle a between the connector 250 and the guide opening 350 is 75 ° to 87 °.

Because interface 250 is disposed perpendicular to side wall 103 and guide 350 is disposed perpendicular to bottom plate 102, the included angle between side wall 103 and bottom plate 102 is 97-99, which facilitates demolding of tray 100 and improves production efficiency of tray 100.

According to some embodiments of the present utility model, as shown in fig. 1, the flow guide 400 is a straight pipe, the flow guide 400 is disposed obliquely with respect to the bottom plate 102 and the side wall 103, the first joint 200 has a joint 250, and the joint 250 is disposed perpendicular to the side wall 103, wherein an included angle B between the flow guide 400 and the joint 250 is 17 ° to 60 °.

In this way, while ensuring a sufficient safety distance between the side surrounding plate 103 and the battery cell 2, a sufficient distance can be provided between the installation position between the first connector 200 and the side surrounding plate 103 and the bottom plate 102 to facilitate installation and ensure the installation strength between the first connector 200 and the side surrounding plate 103, and the flow resistance at the junction between the first connector 200, the flow guide pipe 400 and the first connector 200 is small, so that the flow speed of the cooling liquid can be improved.

According to some embodiments of the present utility model, as shown in fig. 1, the angle between the flow guide 400 and the interface 250 is 37 ° to 42 °. While ensuring a sufficient safety distance between the side surrounding plate 103 and the battery cell 2, a sufficient distance can be provided between the installation position between the first connector 200 and the side surrounding plate 103 and the bottom plate 102, so that the installation strength between the first connector 200 and the side surrounding plate 103 is convenient and ensured, and the flow resistance at the connection parts among the first connector 200, the flow guide pipe 400 and the first connector 200 is small, so that the flow speed of the cooling liquid can be improved.

According to some embodiments of the present utility model, as shown in fig. 1, 2 and 8, the tray 100 includes a tray body 110, a flow field plate 120 and a temperature equalization plate 130.

The flow channel plate 120 is installed on the inner side of the tray body of the bottom plate 102 and defines a flow channel 101 with the tray body 110, and the temperature equalizing plate 130 is installed on the flow channel plate 120, wherein at least two of the tray body 110, the flow channel plate 120 and the temperature equalizing plate 130 are integrally formed.

For example, the second joint 300 may be welded to the temperature uniformity plate 130, and the temperature uniformity plate 130 may be welded to the flow channel plate 120. The tray body 110 and the runner plate 120 may be integrally formed by stamping, the temperature equalization plate 130 may be formed by stamping alone, or the tray body 110 and the temperature equalization plate 130 may be integrally formed by stamping, and the runner plate 120 may be formed by stamping alone

In this way, the tray 100 has a three-layer laminated structure, and the strength of the tray 100 is higher. In addition, the arrangement of the temperature equalizing plate 130 can enable the whole battery cell 2 to be uniformly cooled, and the situation that local heat rises is avoided. And, the cooling flow channel is limited between the disk body 110 and the flow channel plate 120, the occupied space is small, the weight is light, the residual available space in the battery pack 3 is fully utilized, the structure is compact and simple, the processing and the manufacturing are easy, and the specific energy and the energy density of the battery pack 3 are improved.

The battery pack 3 according to the embodiment of the present utility model is described below with reference to the accompanying drawings, further including: and a battery cell 2. The battery cell 2 is installed in the tray assembly 1, wherein the battery cell 2 can be fixed on the bottom plate 102 by gluing.

The battery pack 3 according to the embodiment of the present utility model has advantages of good heat dissipation effect, high space utilization, high energy density, high specific density, and the like by using the battery pack 1 according to the above embodiment of the present utility model.

According to some embodiments of the present utility model, as shown in fig. 1, the battery pack 3 further includes a cover plate 4, and the cover plate 4 is mounted to the tray 100 and covers the battery cells 2 in the tray 100.

For example, the battery pack 3 may further include an expansion beam and a longitudinal beam, which may be integrally formed by laser welding, and then fixed to the base plate 102 by glue fixing. In addition, the cover plate 4 and the side surrounding plate 103 can be fixed by means of flanges, rivet, glue or sealing strips.

In this way, the tightness of the battery pack 3 is ensured, and the first connector 200, the second connector 300, the flow guide pipe 400 and the battery cell 2 can be protected, thereby improving the safety of the battery pack 3.

According to some embodiments of the present utility model, as shown in fig. 1, the battery pack 3 further includes a power distribution structure 5, where the power distribution structure 5 is connected to the battery cell 2 and located on the same side of the battery cell 2 as the flow guide tube 400, and the second connector 300, the flow guide tube 400, and the power distribution structure 5 are arranged along the height direction of the side wall 103. In this way, not only the space in the battery pack 3 is fully utilized, but also the second connector 300 and the flow guide pipe 400 are utilized to cool the power distribution structure 5, so that the influence of the temperature accumulation of the power distribution structure 5 on the temperature in the battery pack 3 is avoided, and the risk of thermal runaway of the battery pack 3 is reduced.

According to some embodiments of the present utility model, as shown in fig. 1, the battery pack 3 further includes a bracket 6, where the bracket 6 is connected to the battery cell 2 and located on the same side of the battery cell 2 as the flow guide tube 400, and the bracket 6 is located between the power distribution structure 5 and the flow guide tube 400 in the height direction of the side wall 103. Like this, not only make full use of the space in the battery package 3, utilize second joint 300 and honeycomb duct 400 simultaneously can cool off for support 6, and then reduce the temperature of electric core 2, avoid electric core 2's temperature accumulation towards the one side of distribution structure 5 and influence the temperature in the battery package 3, reduced the risk of battery package 3 thermal runaway.

According to some embodiments of the present utility model, as shown in fig. 1, the battery pack 3 further includes a protection cover 7, where the protection cover 7 is connected to the battery cell 2 and located on the same side of the battery cell 2 as the flow guide tube 400, and the protection cover 7 is located between the power distribution structure 5 and the flow guide tube 400 at the level of the side wall 103. In this way, the space in the battery pack 3 is fully utilized, and the second connector 300 and the guide pipe 400 are utilized to cool the protective cover 7, so that the temperature of the battery core 2 is reduced, the influence of the temperature accumulation of one side of the battery core 2, facing the power distribution structure 5, on the temperature in the battery pack 3 is avoided, and the risk of thermal runaway of the battery pack 3 is reduced.

A vehicle according to an embodiment of the present utility model, which includes the battery pack 3 according to the above-described embodiment of the present utility model, is described below with reference to the drawings.

According to the vehicle of the embodiment of the present utility model, by using the battery pack 3 according to the above embodiment of the present utility model, there are advantages of good heat radiation effect, high space utilization, high energy density, high specific density, and the like.

Other configurations and operations of the battery pack 1, the battery pack 3, and the vehicle according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

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

Claims (10)

1. A battery pack (3), characterized by comprising:

-a tray (100), the tray (100) being configured with a flow channel (101), the tray (100) having a bottom plate (102) and a side gusset (103);

a first joint (200) and a second joint (300), the first joint (200) being mounted to the side rail (103), the second joint (300) being mounted to the base plate (102) and communicating with the flow channel (101);

a flow guide pipe (400), wherein the flow guide pipe (400) is arranged in the tray (100), the flow guide pipe (400) is provided with a first end (401) and a second end (402), the first end (401) is connected with the first joint (200), and the second end (402) is connected with the second joint (300);

wherein, a side surface of the flow guiding pipe (400) facing away from the bottom plate (102) forms a limiting surface (403), and the distance between the part of the limiting surface (403) except the first end (401) and the bottom plate (102) is smaller than the distance between the first end (401) of the limiting surface (403) and the bottom plate (102).

2. The battery pack (3) according to claim 1, wherein the flow guide pipe (400) is a straight pipe, and the flow guide pipe (400) is disposed obliquely with respect to both the bottom plate (102) and the side gusset (103).

3. The battery pack (3) according to claim 1, wherein the flow guide pipe (400) is a bent pipe, and the flow guide pipe (400) protrudes in a direction of at least one of the side gusset (103) and the bottom plate (102).

4. The battery pack (3) according to claim 1, wherein one of the first connector (200) and the second connector (300) is integrally formed with the flow guide tube (400), and the other of the first connector (200) and the second connector (300) is provided separately from the flow guide tube (400).

5. The battery pack (3) of claim 1 wherein the first connector (200) has a mouthpiece (250), the mouthpiece (250) being disposed perpendicular to the side gusset (103);

the second joint (300) is provided with a guide opening (350), and the guide opening (350) is perpendicular to the bottom plate (102);

wherein the included angle between the interface (250) and the guide opening (350) is 75-87 degrees.

6. The battery pack (3) according to claim 1, wherein the flow guide pipe (400) is a straight pipe, and the flow guide pipe (400) is obliquely arranged with respect to both the bottom plate (102) and the side gusset (103);

the first joint (200) is provided with a joint (250), and the joint (250) is perpendicular to the side wall board (103);

wherein, the included angle between the flow guiding pipe (400) and the interface (250) is 17-60 degrees.

7. The battery pack (3) according to claim 1, further comprising:

the battery cell (2) is arranged in the tray;

distribution structure (5), distribution structure (5) with electric core (2) are connected and with honeycomb duct (400) are located the same side of electric core (2), second joint (300) honeycomb duct (400) distribution structure (5) are followed the direction of height of side wall board (103) is arranged.

8. The battery pack (3) according to claim 7, further comprising:

the support (6), support (6) with electric core (2) are connected and with honeycomb duct (400) are located the same side of electric core (2), support (6) are located in the direction of height of side wall board (103) between distribution structure (5) and honeycomb duct (400).

9. The battery pack (3) according to claim 7, further comprising:

the protection cover (7), protection cover (7) with electric core (2) are connected and with honeycomb duct (400) are located the same side of electric core (2), protection cover (7) are located on the height of side wall board (103) between distribution structure (5) and honeycomb duct (400).

10. Vehicle, characterized by comprising a battery pack (3) according to any one of claims 1-9.