CN220604780U - Cooling assembly, battery pack and vehicle - Google Patents

Abstract

The utility model discloses a cooling assembly, battery package and vehicle, cooling assembly includes a plurality of cooling plates, cooling pipeline and a plurality of coupling, and a plurality of cooling plates are along its thickness direction interval arrangement, have the water injection well choke on the cooling plate, the water injection well choke is located the cooling plate in its length direction one side; the pipe joints are arranged on the cooling pipeline at intervals and are communicated with the cooling pipeline, the pipe joints are in one-to-one correspondence with the cooling plates, and the pipe joints are communicated with the water nozzles of the corresponding cooling plates. The cooling assembly of the embodiment of the disclosure has the advantages of high assembly efficiency and the like.

Description

Cooling assembly, battery pack and vehicle

Technical Field

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

Background

In the related art, in order to obtain a better cooling effect, a battery pack is generally cooled by a large surface, specifically, a cooling plate is placed between every two adjacent battery cells, two water nozzles are respectively arranged on two sides of the cooling plate in the thickness direction of the cooling plate, one section of connecting pipe section is inserted into the adjacent water nozzles between the two adjacent cooling plates for communication, and cooling liquid enters each cooling plate through the connecting pipe section. Because the space between two adjacent cooling plates is smaller (the space between the cooling plates is about 60mm in general for large-surface cooling), the operation space is smaller, and the connecting pipe section between the adjacent cooling plates has the problem of difficult assembly.

Disclosure of Invention

The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art. To this end, embodiments of the present disclosure propose a cooling assembly that is simple to assemble. Embodiments of the present disclosure provide a battery pack that is simple to assemble. Embodiments of the present disclosure provide a vehicle that is simple to assemble.

The cooling assembly comprises a plurality of cooling plates, cooling pipelines and a plurality of pipe joints, wherein the cooling plates are arranged at intervals along the thickness direction of the cooling plates, the cooling plates are provided with water nozzles, and the water nozzles are arranged on one side of the cooling plates in the length direction of the cooling plates; the pipe joints are arranged on the cooling pipeline at intervals and are communicated with the cooling pipeline, the pipe joints are in one-to-one correspondence with the cooling plates, and the pipe joints are communicated with the water nozzles of the corresponding cooling plates.

In some embodiments, the pipe joint comprises a first pipe section and a second pipe section which are connected, the length direction of the first pipe section is perpendicular to the length direction of the second pipe section, the first pipe section is communicated with the cooling pipeline, and the second pipe section is communicated with the water nozzle.

In some embodiments the length direction of the first tube section is parallel to the thickness direction of the cooling plate, and the length direction of the second tube section is perpendicular to the first tube section.

In some embodiments, the cooling assembly of embodiments of the present disclosure further comprises a seal disposed between the water nozzle and the second tube segment to seal the water nozzle with the second tube segment.

In some embodiments, the pipe joint has a first clamping portion, the water nozzle has a second clamping portion, and the first clamping portion is in clamping connection with the second clamping portion.

In some embodiments, one of the first and second clamping portions is a protrusion, the protrusion is arranged along a radial protrusion of the water nozzle, the other of the first and second clamping portions is a groove, the groove is arranged along a radial recess of the water nozzle, and the protrusion is matched in the groove.

In some embodiments, the pipe joint further comprises a body and an elastomer, the elastomer is arranged on the body, the body is communicated with the water nozzle, and the elastomer comprises the first clamping part.

In some embodiments, the elastic body further comprises a pressing part, the pressing part is connected with the first clamping part, and the pressing part is pressed to enable the first clamping part to be separated from the second clamping part.

In some embodiments, the cooling conduit is a flexible tube, the cooling conduit being retractable along its length.

In some embodiments, the cooling pipeline comprises a plurality of connecting pipes, at least a part of the connecting pipes are corrugated pipes, the number of the pipe joints is a plurality, the plurality of connecting pipes and the plurality of pipe joints are alternately arranged along the length direction of the cooling pipeline, the first pipe section is provided with a first pipe orifice and a second pipe orifice which are opposite along the length direction of the first pipe section, and the first pipe orifice and the second pipe orifice are respectively communicated with the adjacent connecting pipes.

In some embodiments, a first limiting step is arranged in the first pipe orifice, and the connecting pipe extends into the first pipe orifice and is stopped against the first limiting step; and/or

The second pipe orifice is internally provided with a second limiting step, and the connecting pipe extends into the second pipe orifice and is stopped against the second limiting step.

The battery pack of an embodiment of the present disclosure includes the cooling assembly described in any of the embodiments above.

The vehicle of an embodiment of the present disclosure includes the battery pack described in any of the embodiments above.

In the assembly process of the cooling assembly, the plurality of pipe joints arranged on the cooling pipeline are respectively communicated with the water nozzle arranged on one side of each cooling plate in the length direction of the cooling assembly, so that the cooling assembly is communicated with the cooling pipeline. Because the water injection well choke setting is in its length direction's one side at the cooling plate, only need along the length direction of cooling plate with the coupling correspond install on the water injection well choke of cooling plate can, can not influence the assembly operation because of adjacent two cooling plates are less in its thickness direction's interval, compare with the correlation technique, when carrying out the intercommunication assembly to water injection well choke and cooling pipeline, have great operating space, the assembly is simple.

Therefore, the cooling assembly of the embodiment of the utility model has the advantages of simple assembly and the like.

Drawings

FIG. 1 is a schematic diagram of the connection of a cooling plate to a cooling circuit of a cooling assembly according to an embodiment of the present utility model.

FIG. 2 is an enlarged view of a portion of the cooling plate and cooling circuit of the cooling assembly according to an embodiment of the present utility model.

FIG. 3 is a schematic diagram showing the connection of a cooling plate of a cooling assembly to another view of a cooling circuit according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram showing a split structure of a cooling plate and a cooling pipeline of a cooling assembly according to an embodiment of the utility model.

FIG. 5 is a cross-sectional view of a cooling plate and cooling circuit of a cooling assembly according to an embodiment of the present utility model.

Reference numerals:

a cooling plate 1; a water nozzle 101; a second engagement portion 1011; protrusions 1012;

a cooling line 2; a connection pipe 201;

a pipe joint 3; a first tube segment 301; a first nozzle 3011; a second nozzle 3012; a first limit step 3013; a second limit step 3014; a second pipe segment 302; a first clamping portion 303; a groove 304; a body 305; an elastomer 306; a pressing part 3061;

and a seal 4.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The technical solutions of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the cooling assembly of the embodiment of the present utility model includes a plurality of cooling plates 1, cooling pipes 2, and a plurality of pipe joints 3. The plurality of cooling plates 1 are arranged at intervals in the thickness direction thereof, and the cooling plates 1 have water nozzles 101 thereon, the water nozzles 101 being provided on one side of the cooling plates 1 in the length direction thereof. The pipe joints 3 are arranged on the cooling pipeline 2 at intervals and are communicated with the cooling pipeline 2, the pipe joints 3 are in one-to-one correspondence with the cooling plates 1, and the pipe joints 3 are communicated with the water nozzles 101 of the corresponding cooling plates 1.

For example, as shown in fig. 1, in the assembly process of the cooling assembly according to the embodiment of the present utility model, the plurality of pipe joints 3 provided on the cooling pipe 2 are respectively communicated with the water nozzles 101 provided on one side of each cooling plate 1 in the length direction thereof, so that the communication between each cooling plate 1 and the cooling pipe 2 is achieved. Because the water nozzle 101 is arranged on one side of the cooling plate 1 in the length direction, the pipe joint 3 is correspondingly arranged on the water nozzle 101 of the cooling plate 1 along the length direction of the cooling plate 1, the assembly operation cannot be affected due to the fact that the distance between two adjacent cooling plates 1 in the thickness direction is smaller, and compared with the prior art, the water nozzle 101 and the cooling pipeline 2 are communicated and assembled, and the water nozzle is large in operation space and easy to assemble.

Therefore, the cooling assembly of the embodiment of the utility model has the advantages of simple assembly and the like.

In addition, the number of the cooling pipelines 2 is only required to be set to one, and compared with the situation that a plurality of connecting pipe sections are required to be arranged for independent assembly in the related art, the number of the connecting pipe sections is greatly reduced, so that the integration level of the cooling pipelines 2 is higher, the assembly system and the assembly complexity can be greatly simplified, and the assembly efficiency is improved.

In some embodiments, the cooling assembly of the present embodiment further comprises a pipe joint 3, the pipe joint 3 being connected to the cooling pipe 2 and the water nozzle 101, the pipe joint 3 being located at a side of the water nozzle 101 remote from the cooling plate 1 in the first direction. Through setting up coupling 3 on the pipeline and realizing the intercommunication between cooling pipeline 2 and the water injection well choke 101, be favorable to improving the connection efficiency between cooling pipeline 2 and the water injection well choke 101, and then be favorable to improving the assembly efficiency of cooling module.

In some embodiments, the pipe joint 3 comprises a first pipe section 301 and a second pipe section 302 which are connected, the length direction of the first pipe section 301 is perpendicular to the length direction of the second pipe section 302, the first pipe section 301 is communicated with the cooling pipeline 2, and the second pipe section 302 is communicated with the water nozzle 101.

For example, as shown in fig. 4, it is understood that the water nozzle 101 is provided along the length direction of the cooling plate 1, the cooling pipe 2 is provided along the thickness direction of the cooling plate 1, and the axis direction of the water nozzle 101 is perpendicular to the length direction of the cooling pipe 2. Through setting the coupling 3 to mutually perpendicular's first pipe section 301 and second pipe section 302, with cooling circuit 2 and water injection well choke 101 intercommunication respectively, make things convenient for mutually perpendicular's water injection well choke 101 and cooling circuit 2 to carry out structural arrangement in the battery package for cooling module compact structure.

Alternatively, the length direction of the first tube section 301 is parallel to the thickness direction of the cooling plate 1, and the length direction of the second tube section 302 is perpendicular to the first tube section 301.

For example, as shown in fig. 4 and 5, the length direction of the second pipe section 302 is parallel to the length direction of the cooling plate 1, and a part of the second pipe section 302 extends into the water nozzle 101 to communicate with the water nozzle 101.

In some embodiments, the cooling assembly of the present embodiments further includes a seal 4, the seal 4 being disposed between the water nozzle 101 and the second pipe segment 302 and to seal the water nozzle 101 and the second pipe segment 302.

For example, as shown in fig. 5, the sealing member 4 is an O-shaped rubber ring, the first pipe section 301 is provided with an annular groove, the O-shaped rubber ring is sleeved on the first pipe section 301, a part of the O-shaped rubber ring is arranged in the annular groove, and the other part of the O-shaped rubber ring is stopped against the inner wall of the water nozzle 101 to seal the assembly gap between the water nozzle 101 and the first pipe section 301, so that the cooling medium is prevented from flowing out from the assembly gap between the water nozzle 101 and the first pipe section 301, and the internal environment of the battery pack is polluted.

In some embodiments, the pipe joint 3 has a first clamping portion 303, the water nozzle 101 has a second clamping portion 1011, and the first clamping portion 303 is in clamping connection with the second clamping portion 1011. Through setting up to joint matched connection mode between coupling 3 and the water injection well choke 101, under external force or the effect of electric core expansion force, cooling tube 2 is unlikely to take place to drop, is favorable to improving cooling module's operational reliability.

Alternatively, one of the first clamping portion 303 and the second clamping portion 1011 is a protrusion 1012, the protrusion 1012 is convexly disposed along the radial direction of the water nozzle 101, the other of the first clamping portion 303 and the second clamping portion 1011 is a groove 304, the groove 304 is concavely disposed along the radial direction of the water nozzle 101, and the protrusion 1012 is fitted in the groove 304.

For example, as shown in fig. 4 and 5, the number of the first engaging portions 303 is two, the two first engaging portions 303 are each a groove 304 and are disposed opposite to each other in the thickness direction of the cooling plate 1, the second engaging portion 1011 is a protrusion 1012, and the protrusion 1012 is disposed around the circumference of the water nozzle 101. When the first clamping portion 303 is in clamping fit with the second clamping portion 1011, the protrusion 1012 is arranged in the groove 304 (as shown in fig. 5) along the radial direction of the water nozzle 101 so as to limit the pipe joint 3 in the length direction of the cooling plate 1, so that the first clamping portion 303 and the second clamping portion 1011 have simple structures and are convenient to clamp.

In some embodiments, the pipe joint 3 further includes a body 305 and an elastic body 306, the elastic body 306 is provided on the body 305, the body 305 communicates with the water nozzle 101, and the elastic body 306 includes the first clamping portion 303.

As shown in fig. 3 and 4, the body 305 includes a first pipe section 301 and a second pipe section 302, the elastic body 306 is connected to the second pipe section 302, and the first clamping portion 303 is disposed on the elastic body 306, so that the first clamping portion 303 can be elastically deformed. Specifically, when the first clamping portion 303 is in clamping engagement with the second clamping portion 1011, the first clamping portion 303 is elastically deformed in a direction away from the protrusion 1012 along the radial direction of the water nozzle 101, and after the protrusion 1012 is placed in the groove 304, the first clamping portion 303 is restored to be elastically deformed, so that the connection between the first clamping portion 303 and the second clamping portion 1011 is completed. By setting the first clamping portion 303 as an elastic member, the assembly connection between the first clamping portion 303 and the second clamping portion 1011 is facilitated.

Optionally, the elastic body 306 further includes a pressing portion 3061, where the pressing portion 3061 is connected to the first clamping portion 303, and the pressing portion 3061 is pressed to separate the first clamping portion 303 from the second clamping portion 1011.

As shown in fig. 3, the pressing portion 3061 is a semicircular arc segment, and both ends of the pressing portion 3061 are connected to the two first engaging portions 303, respectively. When the pressing portion 3061 is pressed downward, the first and second engagement portions 303 and 1011 move in a direction away from the protrusion 1012 in the radial direction of the water nozzle 101 by the pressure of the pressing portion 3061 until being separated from the protrusion 1012, at which time the pipe joint 3 can be detached in a direction away from the water nozzle 101 in the circumferential direction of the water nozzle 101. Thus, by providing the pressing portion 3061 on the elastic body 306, the first engagement portion 303 and the second engagement portion 1011 are easily removed.

Alternatively, the cooling circuit 2 is a flexible tube, the cooling circuit 2 being telescopic along its length.

It will be appreciated that the cells will expand with heat and contract with cold during operation, that is, the cells between two connected cooling plates 1 will expand or contract in the thickness direction of the cooling plates 1, and the distance between two adjacent cooling plates 1 will be increased or decreased. Through setting up cooling pipeline 2 into flexible pipe to make it flexible in its length direction, when the interval between two adjacent cooling plates 1 grow or when becoming small, can utilize the flexibility of cooling pipeline 2 to absorb the change of interval between two adjacent cooling plates 1, prevent that cooling pipeline 2 from taking place to drop the risk under external force or the effect of inflation power, be favorable to improving cooling module's operational reliability.

In some embodiments, the cooling circuit 2 includes a plurality of connection pipes 201, at least a portion of the connection pipes 201 are bellows, the number of the pipe joints 3 is plural, and the plurality of connection pipes 201 and the plurality of pipe joints 3 are alternately arranged along the length direction of the cooling circuit 2. The first tube segment 301 has first and second tube ports 3011 and 3012 opposite along its length, the first and second tube ports 3011 and 3012 respectively communicating with adjacent connection tubes 201.

At least a portion of the connection pipes 201 are bellows, it being understood that a portion of the connection pipes 201 are bellows and all of the connection pipes 201 are bellows.

For example, as shown in fig. 1 to 4, the connection pipes 201 are corrugated pipes, a plurality of corrugated pipes and a plurality of pipe joints 3 are alternately arranged in the thickness direction of the cooling plate 1, and by providing at least a part of the connection pipes 201 as corrugated pipes, the cooling pipe 2 is made telescopic in the length direction thereof, so that the cooling pipe 2 is simple in structure and convenient to manufacture.

In some embodiments, at least one end of at least a portion of the connection tube 201 is welded to the first tube segment 301.

That is, one end of a portion of the connection pipe 201 may be welded to the first pipe section 301; or both ends of a portion of the connection pipe 201 may be welded to the first pipe section 301; alternatively still, one end of all the connection pipes 201 may be welded to the first pipe section 301; either or both ends of all the connection pipes 201 may be welded to the first pipe section 301.

For example, the connection is made using a laser welded connection. It will be appreciated that with welding, the mating length between the first tube section 301 and the connecting tube 201 may be set shorter, so that the longer length of the bellows may be used to compensate for the distance variation between two adjacent cooling plates 1.

Optionally, a first limiting step 3013 is provided in the first nozzle 3011, and the connection tube 201 extends into the first nozzle 3011 and abuts against the first limiting step 3013.

As shown in fig. 5, by providing the first limiting step 3013, pre-assembly of the connection tube 201 with the first nozzle 3011 may be quickly achieved, and then welding may be performed, thereby facilitating improved assembly efficiency.

Optionally, a second limiting step 3014 is provided in the second nozzle 3012, and the connection tube 201 extends into the second nozzle 3012 and abuts against the second limiting step 3014.

As shown in fig. 5, by providing the second limiting step 3014, pre-assembly of the connection tube 201 with the second nozzle 3012 may be quickly achieved and then welded, thereby facilitating improved assembly efficiency.

The battery pack of an embodiment of the present utility model includes the cooling assembly described in any of the embodiments above.

Therefore, the battery pack of the embodiment of the utility model has the advantages of simple assembly and the like.

The vehicle of the embodiment of the utility model includes the battery pack described in any of the above embodiments.

Therefore, the vehicle of the embodiment of the utility model has the advantages of simple assembly and the like.

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.

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

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular 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, schematic representations of the above terms are not necessarily directed 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 different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (13)

1. A cooling assembly, comprising:

the cooling plates are arranged at intervals along the thickness direction of the cooling plates, water nozzles are arranged on the cooling plates, and the water nozzles are arranged on one side of the cooling plates in the length direction of the cooling plates;

the cooling pipeline and the plurality of pipe joints are arranged on the cooling pipeline at intervals and are communicated with the cooling pipeline, the plurality of pipe joints are in one-to-one correspondence with the plurality of cooling plates, and the pipe joints are communicated with the corresponding water nozzles of the cooling plates.

2. The cooling assembly of claim 1, wherein the pipe joint comprises a first pipe section and a second pipe section connected, the length direction of the first pipe section is perpendicular to the length direction of the second pipe section, the first pipe section is in communication with the cooling pipe, and the second pipe section is in communication with the water nozzle.

3. The cooling assembly of claim 2, wherein a length direction of the first tube segment is parallel to a thickness direction of the cooling plate and a length direction of the second tube segment is perpendicular to the first tube segment.

4. The cooling assembly of claim 2, further comprising a seal disposed between the water nozzle and the second tube segment.

5. The cooling assembly of claim 1, wherein the pipe joint has a first clamping portion and the water nozzle has a second clamping portion, the first clamping portion being in clamping connection with the second clamping portion.

6. The cooling assembly of claim 5, wherein one of the first and second snap-in portions is a protrusion that is disposed in a radially protruding manner along the water nozzle, the other of the first and second snap-in portions is a recess that is disposed in a radially recessed manner along the water nozzle, and the protrusion is fitted within the recess.

7. The cooling assembly of claim 5, wherein the pipe joint further comprises a body and an elastomer disposed on the body, the body in communication with the water nozzle, the elastomer comprising the first snap-fit portion.

8. The cooling assembly of claim 7, wherein the elastomer further comprises a pressing portion coupled to the first clamping portion, the pressing portion being compressed to disengage the first clamping portion from the second clamping portion.

9. The cooling assembly of claim 1, wherein the cooling conduit is a flexible tube, the cooling conduit being retractable along its length.

10. The cooling assembly of claim 2, wherein the cooling circuit includes a plurality of connecting tubes, at least a portion of the connecting tubes being bellows, the plurality of connecting tubes alternating with the plurality of tube joints along a length of the cooling circuit, the first tube section having first and second tube openings opposite along the length thereof, the first and second tube openings each communicating with an adjacent connecting tube.

11. The cooling assembly of claim 10, wherein a first limiting step is provided in the first nozzle, and the connecting tube extends into the first nozzle and abuts against the first limiting step; and/or

The second pipe orifice is internally provided with a second limiting step, and the connecting pipe extends into the second pipe orifice and is stopped against the second limiting step.

12. A battery pack comprising a cooling assembly according to any one of the preceding claims 1-11.

13. A vehicle comprising the battery pack of claim 12.