CN218005039U - Liquid cooling board, battery pack liquid cooling heat abstractor and vehicle - Google Patents

Abstract

The utility model discloses a liquid cooling board, battery pack liquid cooling heat abstractor and vehicle, liquid cooling board include first board, second board and seal the baffle, and first board and second board constitute space between first board and the second board at first direction interval arrangement, seal the baffle clamp and locate between first board and the second board, and the partition forms the liquid cooling runner with space separation. The utility model provides a liquid cooling board has that processing technology is simple, the processing cost is low to and the good advantage of fashioned liquid cooling runner leakproofness.

Description

Liquid cooling board, battery pack liquid cooling heat abstractor and vehicle

Technical Field

The utility model relates to a battery pack technical field, concretely relates to liquid cooling board, battery pack liquid cooling heat abstractor and vehicle.

Background

The liquid cooling plate in the related art is generally provided with a groove having a downward opening at a central position. However, the liquid cooling plate and the liquid cooling runner inside the liquid cooling plate are processed and formed through an extrusion process, at the moment, a groove needs to be machined and cut out, and then the side face of the groove is plugged so as to guarantee the sealing of the liquid cooling runner. Therefore, the liquid cooling plate in the related technology has the defects of complex processing technology, high cost and difficult guarantee of the sealing performance of the liquid cooling runner at the plugging part of the groove.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent.

Therefore, the embodiment of the utility model provides a liquid cooling board, this liquid cooling board have simple process, the processing cost is low to and the good advantage of fashioned liquid cooling runner leakproofness.

The embodiment of the utility model provides a battery pack liquid cooling heat abstractor is still provided.

The embodiment of the utility model provides a vehicle is proposed again.

The liquid cooling plate provided by the embodiment of the utility model comprises a first plate, a second plate and a partition plate, wherein the first plate and the second plate are arranged at intervals in a first direction, and an interval space is formed between the first plate and the second plate; the partition board is clamped between the first board and the second board, and the partition board separates the space to form a liquid cooling flow channel.

According to the utility model discloses liquid cooling board, through linking to each other first board, baffle and second board in proper order, first board, second board and baffle constitute the liquid cooling runner jointly. At the moment, the shapes of the first plate and the second plate can be designed in advance, so that the formed liquid cooling plate directly has a set shape, if a groove is formed directly, the groove and the damaged liquid cooling runner for plugging do not need to be processed, the processing technology and the processing cost of the liquid cooling plate are reduced, and the formed liquid cooling runner is good in sealing performance.

In some embodiments, the first plate and the second plate are both flat plates, the first plate and the second plate are parallel to each other, a thickness direction of the first plate is consistent with the first direction, a size shape of a projection of the first plate is the same as a size shape of a projection of the second plate on a projection plane perpendicular to the first plate, and the projection of the first plate is coincident with the projection of the second plate.

In some embodiments, the sealing plate is an annular plate, and the peripheral surface of the first plate and the peripheral surface of the second plate are both in smooth engagement with the outer peripheral surface of the sealing plate.

In some embodiments, the sealing and separating plate is a flat plate, two side surfaces of the sealing and separating plate are respectively in contact with opposite side surfaces of the first plate and the second plate, the sealing and separating plate is welded or bonded with the first plate, and the sealing and separating plate is welded or bonded with the second plate.

In some embodiments, the liquid cooling plate further comprises a spoiler strip, the spoiler strip is disposed in the liquid cooling runner, and the spoiler strip extends along the length direction of the liquid cooling runner.

In some embodiments, a plurality of first positioning holes are formed in the spoiler, and a plurality of second positioning holes corresponding to the plurality of first positioning holes one to one are formed in at least one of the first plate and the second plate.

In some embodiments, the spoiler is welded or bonded to at least one of the first plate and the second plate.

In some embodiments, the thickness of the spoiler strip is equal to the distance between the first plate and the second plate, and two side surfaces of the spoiler strip are respectively in contact with the opposite side surfaces of the first plate and the second plate in an attaching manner.

In some embodiments, at least one of the first plate, the second plate, and the partition plate forms a first opening and a second opening communicating the liquid cooling flow passage with the outside.

In some embodiments, the first opening and the second opening are respectively provided at both ends of the first plate in a length direction.

In some embodiments, the liquid cooling plate further comprises a first water nozzle and a second water nozzle, the first water nozzle is connected with the first plate and communicated with the first opening, and the second water nozzle is connected with the first plate and communicated with the second opening.

According to the utility model discloses battery pack liquid cooling heat abstractor includes the liquid cooling board as above-mentioned arbitrary embodiment.

According to the utility model discloses battery pack liquid cooling heat abstractor comes with the heat dissipation of electric core in order to realize electric core through the liquid cooling board that adopts above-mentioned embodiment, has simple, the processing cost is low of processing technology from this to and the good advantage of fashioned liquid cooling runner leakproofness.

According to the utility model discloses the vehicle includes battery pack liquid cooling heat abstractor like above-mentioned embodiment.

According to the utility model discloses the technical advantage of vehicle is the same with the battery pack liquid cooling heat abstractor's of above-mentioned embodiment technical advantage, and this is no longer described herein.

Drawings

Fig. 1 is an exploded view of a liquid cooled panel according to an embodiment of the present invention.

Reference numerals:

100. a liquid-cooled plate; 1. a first plate; 11. a second positioning hole; 2. a second plate; 3. sealing the partition plate; 4. a spoiler strip; 41. a first positioning hole; 5. a first water nozzle; 6. and a second water nozzle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A liquid cooling plate 100 according to an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, a liquid cooling plate 100 according to an embodiment of the present invention includes a first plate 1, a second plate 2, and a partition plate 3. The first plate 1 and the second plate 2 are arranged at intervals in the first direction, and an interval space is formed between the first plate 1 and the second plate 2. The partition board 3 is clamped between the first board 1 and the second board 2, and the partition board 3 separates the space to form a liquid cooling flow passage.

According to the utility model discloses liquid cooling plate 100, through linking to each other first board 1, packer board 3 and second board 2 in proper order, first board 1, second board 2 and packer board 3 constitute the liquid cooling runner jointly. At this moment, the shapes of the first plate 1 and the second plate 2 can be designed in advance, so that the formed liquid cooling plate 100 can be directly provided with a set shape, for example, a groove is directly formed, the groove does not need to be processed and the damaged liquid cooling runner does not need to be blocked, the processing technology and the processing cost of the liquid cooling plate 100 are reduced, and the formed liquid cooling runner is good in sealing performance.

In some embodiments, as shown in fig. 1, the first plate 1 and the second plate 2 are both flat plates, the first plate 1 and the second plate 2 are parallel to each other, and the thickness direction of the first plate 1 coincides with the first direction. On a projection plane perpendicular to the first plate 1, the size and shape of the projection of the first plate 1 are the same as the size and shape of the projection of the second plate 2, and the projection of the first plate 1 coincides with the projection of the second plate 2.

That is, the side of the first plate 1 departing from the second plate 2 and the side of the second plate 2 departing from the first plate 1 are both smooth surfaces, and therefore the first plate 1 and the second plate 2 can be contacted with one row of battery cells in an attaching manner, so that heat dissipation of two rows of battery cells is realized. Moreover, the first plate 1 and the second plate 2 are identical in structure and are arranged in a mirror symmetry mode, and therefore the assembly tool can conveniently locate the first plate 1 and the second plate 2.

In some embodiments, as shown in fig. 1, the packing plate 3 is an annular plate, and the circumferential surface of the first plate 1 and the circumferential surface of the second plate 2 are both in smooth engagement with the outer circumferential surface of the packing plate 3.

The inner side surface of the first plate 1, the inner side surface of the second plate 2 and the inner circumferential surface of the partition plate 3 jointly form a sealed liquid cooling flow passage. When the liquid cooling plate 100 is assembled, the circumferential surface of the first plate 1, the circumferential surface of the second plate 2 and the outer circumferential surface of the partition sealing plate 3 are kept coplanar only through the assembling tool, namely, the partition sealing plate 3 is positioned between the first plate 1 and the second plate 2, and therefore the partition sealing plate 3 is convenient to connect with the first plate 1 and the second plate 2.

In some embodiments, the separating and sealing plate 3 is a flat plate, two side surfaces of the separating and sealing plate 3 are respectively in contact with the opposite side surfaces of the first plate 1 and the second plate 2, the separating and sealing plate 3 is welded or bonded to the first plate 1, and the separating and sealing plate 3 is welded or bonded to the second plate 2. Therefore, the connection of the partition board 3 and the first board 1 and the second board 2 is simple and convenient, the processing technology of the liquid cooling board 100 is simple, and the processing cost is low. And the sealing performance of the formed liquid cooling runner can be ensured by the two connection modes.

Specifically, the baffle 3 is welded with the first plate 1 and the second plate 2 through a brazing process, that is, the first plate 1, the baffle 3 and the second plate 2 are stacked in sequence, and then the whole is pushed into a brazing furnace for welding, thereby completing the assembly of the liquid-cooled plate 100. Or, the first plate 1 and the second plate 2 are both bonded with the partition board 3, that is, one side surface of the partition board 3 is glued and then attached to the inner side surface of the first plate 1, then the second side surface of the partition board 3 is glued and then the inner side surface of the second plate 2 is attached to the second side surface of the partition board 3, thereby completing the assembly of the liquid-cooled panel 100.

In some embodiments, the liquid cooling plate 100 further includes a spoiler strip 4, the spoiler strip 4 is disposed in the liquid cooling channel, and the spoiler strip 4 extends along a length direction of the liquid cooling channel.

That is, the length direction of the turbulent flow strips 4 is substantially consistent with the length direction of the liquid cooling flow channel, and the turbulent flow strips 4 can disturb the liquid in the liquid cooling flow channel, so that the liquid in the liquid cooling flow channel flows more sufficiently and thoroughly, and the heat exchange efficiency of the liquid cooling plate 100 is improved.

Specifically, as shown in fig. 1, the number of the spoiler strips 4 is two, and the two spoiler strips 4 are distributed at intervals along the flow channel direction of the liquid in the liquid cooling flow channel.

In some embodiments, the spoiler 4 is provided with a plurality of first positioning holes 41, and at least one of the first plate 1 and the second plate 2 is provided with a plurality of second positioning holes 11 corresponding to the plurality of first positioning holes 41 one to one.

The positioning columns are matched in the second positioning holes 11 and the corresponding first positioning holes 41, so that the turbulence strips 4 can be fixed at the set positions of the first plate 1 and/or the second plate 2, and the turbulence effect of the turbulence strips is guaranteed.

Specifically, as shown in fig. 1, two first positioning holes 41 are provided at two ends of each spoiler strip 4 in the length direction, the first plate 1 and the second plate 2 are each provided with a second positioning hole 11 corresponding to the first positioning hole 41 one to one, the spoiler strips 4 are positioned in the liquid cooling channel by positioning posts penetrating through the second positioning holes 11 and the first positioning holes 41, and after the spoiler strips 4 are connected with the first plate 1 and the second plate 2, the positioning posts are pulled out, that is, the assembly of the liquid cooling plate 100 is completed.

In some embodiments, the spoiler 4 is welded or bonded to at least one of the first and second plates 1, 2.

The turbulence strips 4 can be connected with the first plate 1 or the second plate 2 only, and the first plate 1 and the second plate 2 can also be connected at the same time, so that the fixation of the turbulence strips at the set positions in the liquid cooling flow channel is only required, and the turbulence effect is realized. Moreover, the spoiler 4 can be connected with the first plate 1 and the second plate 2 in the same connection manner as the packer plate 3, thereby further reducing the processing technology of the liquid cooling plate 100.

Specifically, the thickness of vortex strip 4 equals between first board 1 and the second board 2 apart from, and the both sides face of vortex strip 4 is in contact with the laminating of the relative side of first board 1 and second board 2 respectively.

In some embodiments, at least one of the first plate 1, the second plate 2, and the partition plate 3 forms a first opening and a second opening communicating the liquid-cooling flow passage with the outside.

The first opening and the second opening are used for liquid inlet and liquid outlet respectively, so that the circulating flow of cooling liquid in the liquid cooling flow channel is guaranteed. The first and second openings may be formed in any one of the first plate 1, the second plate 2 and the packer plate 3, or may be formed between the first plate 1 and the packer plate 3, or between the second plate 2 and the packer plate 3.

In some embodiments, the first opening and the second opening are respectively provided at both ends of the first plate 1 in the length direction.

Therefore, the first opening and the second opening are exposed outside the arranged battery cells, and are further conveniently communicated with the residual liquid cooling plate 100 through the liquid cooling water pipe.

In some embodiments, as shown in FIG. 1, the liquid cooling plate 100 further comprises a first water nozzle 5 and a second water nozzle 6, the first water nozzle 5 is connected to the first plate 1 and is communicated with the first opening, and the second water nozzle 6 is connected to the first plate 1 and is communicated with the second opening. The first water nozzle 5 and the second water nozzle 6 are conveniently connected with the liquid cooling water pipe through the quick connection and insertion joints, so that the liquid cooling plate 100 is conveniently communicated with the residual liquid cooling plate 100.

Specifically, the first water nozzle 5 and the second water nozzle 6 are both in a tubular structure, the first opening and the second opening are both through holes, and at least part of the first water nozzle 5 is inserted into the first opening, so that the first water nozzle 5 seals the first opening and is communicated with the liquid cooling flow channel. At least part of the second water nozzle 6 is inserted into the second opening, so that the second opening is closed by the second water nozzle 6 and the liquid cooling flow passage is communicated.

According to the utility model discloses battery pack liquid cooling heat abstractor includes the liquid cooling plate 100 as above-mentioned any embodiment.

According to the utility model discloses battery pack liquid cooling heat abstractor comes with the heat dissipation of electric core in order to realize electric core through the liquid cooling board 100 that adopts above-mentioned embodiment, has simple, the processing cost low of processing technology from this to and the good advantage of fashioned liquid cooling runner leakproofness.

According to the utility model discloses the vehicle includes the battery pack liquid cooling heat abstractor like embodiment above.

According to the utility model discloses the technical advantage of vehicle is the same with the battery pack liquid cooling heat abstractor's of above-mentioned embodiment technical advantage, and it is no longer repeated here.

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 indicated based on 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.

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

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

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

Claims (13)

1. A liquid cooling panel, comprising:

the plate comprises a first plate and a second plate, wherein the first plate and the second plate are arranged at intervals in a first direction, and an interval space is formed between the first plate and the second plate; and

and the sealing partition plate is clamped between the first plate and the second plate and divides the space to form a liquid cooling flow channel.

2. The liquid cooling plate of claim 1, wherein the first plate and the second plate are both flat plates, the first plate and the second plate are parallel to each other, a thickness direction of the first plate is consistent with the first direction, a projection of the first plate has a same size and shape as a projection of the second plate on a projection plane perpendicular to the first plate, and the projection of the first plate is coincident with the projection of the second plate.

3. The liquid cooled plate of claim 2, wherein the baffle plate is an annular plate, and the peripheral surface of the first plate and the peripheral surface of the second plate are both in smooth engagement with the peripheral surface of the baffle plate.

4. The liquid cooled plate of claim 2, wherein the baffle plate is a flat plate, two sides of the baffle plate are respectively in contact with opposite sides of the first plate and the second plate, the baffle plate is welded or bonded to the first plate, and the baffle plate is welded or bonded to the second plate.

5. The liquid cooling plate of claim 2, further comprising a spoiler strip disposed within the liquid cooling channel, the spoiler strip extending along a length of the liquid cooling channel.

6. The liquid cooling plate as claimed in claim 5, wherein a plurality of first positioning holes (41) are formed on the spoiler, and a plurality of second positioning holes corresponding to the plurality of first positioning holes (41) are formed on at least one of the first plate and the second plate.

7. The liquid cooled panel of claim 5, wherein the turbulator bars are welded or bonded to at least one of the first and second plates.

8. The liquid cooling plate of claim 6, wherein the thickness of the spoiler is equal to the distance between the first plate and the second plate, and two side surfaces of the spoiler are respectively in contact with the opposite side surfaces of the first plate and the second plate in an attaching manner.

9. The liquid cooling plate of claim 1, wherein at least one of the first plate, the second plate, and the partition plate forms a first opening and a second opening communicating the liquid cooling flow passage with the outside.

10. The liquid cooled plate of claim 9, wherein the first opening and the second opening are disposed at respective ends of the first plate in a length direction.

11. The liquid cooling plate of claim 10, further comprising a first water tap and a second water tap, the first water tap being connected to the first plate and communicating with the first opening, the second water tap being connected to the first plate and communicating with the second opening.

12. A liquid-cooled heat sink for a battery pack, comprising a liquid-cooled plate as claimed in any one of claims 1 to 11.

13. A vehicle comprising the battery pack liquid-cooled heat sink of claim 12.

Images