CN219642944U - Cell cooling brackets, battery packs and vehicles - Google Patents

Abstract

Embodiments of the present application provide a cell cooling bracket, a battery pack, and a vehicle. The cell cooling bracket includes a partition, and a plurality of ribs are respectively arranged on both sides of the partition, and flow channel grooves are formed between adjacent ribs; The separator is configured to be arranged between the adjacent cells, so that the runner groove and the battery core are attached to form a flow channel; the runner groove is suitable for setting a cooling medium, and the cooling medium flows into the flow channel from the inlet of the runner groove The flow channel flows out from the outlet of the flow channel groove to simultaneously cool the adjacent cells through the cooling medium in the flow channels on both sides of the separator, thereby improving the cooling effect of the cell cooling bracket.

Description

Cell cooling brackets, battery packs and vehicles

technical field

The present application belongs to the technical field of battery cooling, and in particular, the present application relates to a battery cooling bracket, a battery pack and a vehicle.

Background technique

The discharge efficiency of the power battery will change with the change of temperature, which will also affect the performance of the power battery when the temperature changes; Battery thermal runaway.

In the prior art, there are multiple cells inside the power battery, and the cells in the cells are arranged sequentially along the arrangement direction; however, the traditional cooling structure can only cool the cells as a whole, and cannot cool each cell. The heating surface of the core is cooled separately, so that the temperature difference of the battery core is large, which affects the service life and safety of the battery core.

Utility model content

An object of the embodiments of the present application is to provide a new technical solution for a cell cooling bracket, a battery pack, and a vehicle.

According to the first aspect of the embodiments of the present application, there is provided a cell cooling bracket, including:

As for the separator, a plurality of ribs are respectively arranged on both sides of the separator, a runner groove is formed between the adjacent ribs, and a portion of the runner groove is formed between the first ends of the plurality of ribs. an inlet, an outlet of the runner groove is formed between the second ends of the plurality of ribs;

The separator is configured to be arranged between adjacent battery cells, so that the runner groove and the battery core are attached to form a flow channel;

The flow channel groove is suitable for setting cooling working fluid, the cooling working fluid flows into the flow channel from the inlet of the flow channel groove, and flows out of the flow channel from the outlet of the flow channel groove.

Optionally, a plurality of ribs located on the same side of the partition are arranged symmetrically, the inlet of the flow channel groove is located on the bottom side of the partition, and the outlet of the flow channel groove is located on the bottom side of the partition sides.

Optionally, the width of the inlet area of the runner groove is greater than or equal to 1/4 of the width of the bottom side of the separator.

Optionally, the thickness of the separator is in the range of 0.5mm-3mm.

Optionally, the cross section of the rib is square, the width of the rib is 1.5-5mm, and the height of the rib is 0.5mm-3mm.

Optionally, the first end of the rib forms a rounded surface, and the rounded surface is inclined in a direction away from the inlet of the runner groove.

Optionally, the fillet diameter of the fillet surface is equal to the width of the rib.

Optionally, a guide bar is also included, and the guide bar is arranged between the second ends of the adjacent ribs.

Optionally, openings are also included, and the openings pass through the partition to communicate with the flow passages on both sides of the partition.

Optionally, a guide wall is also included, the guide wall is arranged on the edge of the opening, and is used to guide the cooling medium in the flow channel groove to flow from one side of the partition plate through the opening to the partition wall. the other side of the board.

Optionally, the separator has a bottom edge and a side edge, and a support structure is provided at a connection position between the bottom edge and the side edge, and the support structure is used to support the battery core.

According to the second aspect of the embodiments of the present application, there is provided a battery pack, the battery pack includes a plurality of battery cells and a plurality of battery cell cooling brackets according to the first aspect;

A plurality of the electric cores are arranged side by side, and the separator is arranged between the adjacent electric cores, so that the flow channel groove and the electric core are bonded to form a flow channel, and the flow channel groove is provided with Cooling fluid.

Optionally, a tray is also included, on which a plurality of the electric cores are arranged, a main flow channel is formed between the electric core and the tray, and a plurality of the flow channels communicate with the main flow channel;

In the direction in which the battery cells are arranged side by side, the edge of the separator near the inlet of the flow channel groove is inclined to the direction in which the cooling working fluid flows into the main channel.

According to a third aspect of the embodiments of the present application, a vehicle is provided, and the vehicle includes the battery pack described in the second aspect.

A technical effect of the present application is:

An embodiment of the present application provides a cell cooling bracket, the cell cooling bracket includes a separator, a plurality of ribs are respectively arranged on both sides of the separator, and flow channel grooves are formed between adjacent ribs ; the separator is configured to be arranged between adjacent electric cores, so that the runner groove and the electric core are bonded and form a flow passage; the cooling working medium is suitable for being set in the runner groove, and the cooling working The medium flows into the flow channel from the inlet of the flow channel groove, and flows out of the flow channel from the outlet of the flow channel groove, so that the cooling working fluid in the flow channels on both sides of the separator can simultaneously cool the adjacent cells , improving the cooling effect of the cell cooling bracket and ensuring the consistency of the cell temperature.

Other features of the present application and advantages thereof will become apparent through the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the embodiments of the application and together with the description serve to explain the principles of the application.

Fig. 1 is a front view of a cell cooling bracket provided by an embodiment of the present application;

Fig. 2 is a sectional view along A-A in Fig. 1;

Fig. 3 is a front view of a battery pack provided by an embodiment of the present application;

Fig. 4 is a sectional view along B-B in Fig. 3;

Figure 5 is an enlarged view at C in Figure 4;

Fig. 6 is a perspective view of a cell cooling bracket provided by an embodiment of the present application;

Fig. 7 is a partial perspective view of a cell cooling bracket provided by an embodiment of the present application;

Fig. 8 is a front view of another cell cooling bracket provided by the embodiment of the present application;

Fig. 9 is a front view of another cell cooling bracket provided by the embodiment of the present application;

Fig. 10 is a cross-sectional view along D-D in Fig. 9 .

in:

100. Cell cooling bracket; 1. Partition plate; 11. Rib; 12. Runner; 13. Fillet surface; 14. Guide bar; 15. Opening; 16. Guide wall; 17. Bottom edge; 18. side; 2, support structure; 200, electric core.

Detailed ways

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

Hereinafter, embodiments of the present application will be described in detail, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary, are only for explaining the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The features of the terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, constructed, and operate in a particular orientation, and thus should not be construed as limiting of the application.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

Referring to Fig. 1 and Fig. 2, the embodiment of the present application provides a cell cooling bracket, the cell cooling bracket is used to cool the cell, and the cell cooling bracket includes:

Separator 1, a plurality of ribs 11 are respectively arranged on both side surfaces of said separator 1, on the same side of said separator 1, runner grooves are formed between adjacent said ribs 11, and a plurality of said ribs The inlet of the runner groove is formed between the first ends 111 of the bars 11, and the outlet of the runner groove is formed between the second ends 112 of the multiple ribs 11;

The separator 1 is configured to be arranged between adjacent electric cores, so that the flow channel groove and the electric core are attached to form a flow channel 12; the flow channel groove is suitable for setting a cooling medium, and the cooling The working medium flows into the flow channel 12 from the inlet of the flow channel groove, and flows out of the flow channel 12 from the outlet of the flow channel groove. The cooling working fluid can flow through the flow channels 12 on both sides of the separator 1 at the same time, so that the cooling working fluid can cool the adjacent battery cells at the same time.

Specifically, the cooling medium may be cooling air or cooling liquid, and the cooling medium flows into the flow channel 12 from the inlet of the flow channel groove, and flows out of the flow channel 12 from the outlet of the flow channel groove. During the process, the distance traveled by the cooling working fluid from the inlet to the outlet of the flow channel groove is called the along distance. During the entire flow of the cooling medium, the cell cooling bracket can form a double-sided air-cooled or double-sided liquid-cooled cooling bracket, and the two sides of the separator 1 are respectively close to the two large surfaces of the adjacent cells. , to individually cool the large heating surface of each cell, improve the cooling effect of the cell cooling bracket, control the temperature of the cell within a reasonable range, improve the consistency of the temperature of the cell, and make the cell play its best role The best performance and lifespan ensure the driving safety of electric vehicles using this cell.

The cell cooling bracket provided in the embodiment of the present application includes a separator 1, and a plurality of ribs 11 are respectively arranged on both sides of the separator 1, and flow channel grooves are formed between adjacent ribs 11; The separator 1 is configured to be arranged between adjacent cells, so that the flow channel groove and the battery core are bonded to form a flow channel 12; the flow channel groove is suitable for setting a cooling medium, and the cooling medium Flow into the flow channel 12 from the inlet of the flow channel groove, and flow out of the flow channel 12 from the outlet of the flow channel groove, so as to pass through the cooling working fluid in the flow channels 12 on both sides of the partition plate 1 to the adjacent The electric core is cooled, which improves the cooling effect of the electric core cooling support and ensures the consistency of the electric core temperature.

Optionally, referring to FIG. 1 , a plurality of ribs 11 located on the same side of the partition 1 are arranged symmetrically, the inlet of the runner groove is located at the bottom side of the partition 1 , and the outlet of the runner groove The outlets are located on both sides of the partition 1 .

Specifically, referring to FIG. 1 and FIG. 5 , the separator 1 can be arranged between adjacent battery cells arranged side by side in the Z direction (vertically), and a plurality of ribs 11 located on the same side of the separator 1 It can be a left-right symmetrical structure as shown in Figure 1, so as to ensure the balance of cooling of the battery core by the battery cooling bracket; further, the cooling medium flows into the inlet of the runner groove on the bottom side of the separator 1 The flow channel 12 flows out of the flow channel 12 from the outlets of the flow channel grooves on both sides of the separator 1 after exchanging heat with the battery in the flow channel 12 opposite to the separator 1 , The cooling efficiency of the cell cooling bracket is guaranteed.

In addition, referring to FIG. 5 , in one embodiment, the regions D1 and D2 are flow channel regions on both sides of the separator 1, respectively, so as to provide a flow channel structure with a symmetrical relationship in the cell cooling bracket, so that The flow channel structure and number of flow channels on both sides of the separator 1 are completely consistent. In another embodiment, the flow channel areas of the area D1 and the area D2 may be arranged in offset positions on both sides of the separator 1 .

Optionally, referring to FIG. 1 , the width H1 of the inlet area of the runner groove is greater than or equal to 1/4 of the width H2 of the bottom side of the separator 1 .

Specifically, the inlet area of the runner groove is evenly divided into a plurality of inlets by the ribs 11, and the ribs 11 can be connected to the outlet area of the runner groove. When the width H1 of the inlet area of the runner groove is greater than or equal to 1/4 of the width H2 of the bottom side of the partition 1, for example, H1 is equal to 1/4 of H2, or H1 is equal to 1/3 of H2, so as to ensure that the Sufficient cooling working fluid can be introduced into the flow channel 12 to ensure the heat exchange effect of the cell cooling bracket.

In another embodiment, the ribs 11 may include multiple sections of sub-ribs from the inlet area to the outlet area of the flow channel groove, and gaps are formed between adjacent sub-ribs to communicate with adjacent flow channels. Road groove.

Optionally, referring to FIG. 2 , the thickness of the separator 1 ranges from 0.5 mm to 3 mm.

Specifically, the separator 1 can be an insulating and fire-resistant separator such as a plastic separator or a carbon fiber separator. In order to ensure the structural strength of the separator 1 and realize the thinning of the cell cooling bracket, The Y-direction thickness of the separator 1 is not less than 0.5mm, for example, the thickness of the separator 1 is 0.5mm, 0.8mm, 1.2mm, 1.8mm, 2.5mm or 3mm.

Optionally, referring to Fig. 6 and Fig. 7, the cross section of the rib 11 is square, the width of the rib 11 is 1.5-5mm, and the height of the rib 11 is 0.5mm-3mm.

Specifically, the ribs 11 extend from the inlet of the runner groove to the outlet of the runner groove. In the extending direction of the ribs 11, the cross-section of the ribs 11 can be square and square in size. Keeping the same, the width of the ribs 11 is greater than or equal to 1.5 mm to ensure the isolation effect between the adjacent flow channels 12 and realize the independence of each of the flow channels 12; and as the cell cooling bracket As the cooling area increases, the width of the ribs 11 can also be increased accordingly, and in order to ensure the space of the flow channel 12 and maintain the lightweight of the battery cooling bracket, the width of the ribs 11 No more than 5mm.

In another embodiment, in the extending direction of the ribs 11, the cross-sectional dimension of the ribs 11 may gradually increase or decrease gradually, or increase first and then decrease, or decrease first and then decrease. Increase.

Further, the height of the ribs 11 is the distance that the ribs 11 protrude from the partition 1, and the height of the ribs 11 in the Y direction is greater than or equal to 0.5mm, so that the flow channel After the groove and the battery cell are bonded together, an effective flow channel space is formed to ensure the smooth flow and heat exchange efficiency of the cooling medium in the flow channel 12 .

Optionally, referring to FIG. 7 , the first end of the rib 11 forms a rounded surface 13 , and the rounded surface 13 is inclined in a direction away from the inlet of the runner groove.

Specifically, in order to facilitate the flow of cooling fluid into the flow channel 12 from the inlet of the flow channel groove, a rounded surface 13 can be formed at the first end of the rib 11, and the rounded surface 13 can be formed on the first end of the rib The first end of the bar 11 forms an inclined surface, and then the two sides of the inclined surface are rounded to reduce the resistance of the cooling medium flowing into the flow channel 12 from the inlet of the flow channel groove.

In addition, referring to Fig. 5, an angle P is formed between the rounded surface 13 and the partition 1, and the range of the angle P is 0°-90°, specifically 30°, 45° or 60°, so as to reduce the rib The flow resistance of the first end of the strip 11.

Optionally, referring to FIG. 7 , the fillet diameter of the fillet surface 13 is equal to the width of the rib 11 .

Specifically, the fillet diameter of the fillet surface 13 is equal to the width of the rib 11, that is, the fillet surface 13 forms a fillet surface of a semicircular structure, so that the cooling medium can flow from the fillet surface. 13 flows into the flow channel 12 on both sides.

In addition, the root of the rounded surface 13 can be flush with the edge of the partition 1, so that the cooling medium can flow through the gap area formed by the rounded surface 13, so that the cooling medium can pass through the inlet of the runner groove. to limit the distribution of the cooling medium flow in each runner groove; it is also possible that the root of the fillet surface 13 is spaced from the edge of the partition plate 1 by a certain distance, that is, the inlet of the runner groove is increased A transition zone is used to delay the diversion of the cooling fluid, reduce the pressure drop of the cooling fluid system, and increase the flow rate of the cooling fluid.

Optionally, referring to FIG. 8 , the cell cooling bracket further includes a flow guide bar 14 disposed between the second ends of the adjacent ribs 11 .

Specifically, when the guide bar 14 is arranged between the second ends of the adjacent ribs 11, that is, the rib structure is separately designed in the area near the outlet, which can increase the flow rate of the outlet area of the flow channel groove. The number of flow channels 12 is such that the number of outlets of the flow channels 12 is greater than the total number of inlets of the flow channels 12 . The setting of the flow guide bar 14 can stimulate the flow of the cooling working medium along the course, increase the resistance along the course, make the cooling working medium stay in the flow channel 12 for a longer time, and can improve the cooling process by taking away more heat. Cooling efficiency of the cell cooling bracket.

In another embodiment, the guide bar 14 can also be arranged between the first ends of the adjacent ribs 11, or, the ribs 11 have The middle section of the ribs 11, the guide bar 14 is arranged between the middle sections of the adjacent ribs 11.

In one embodiment, the inlet area of the runner groove is evenly divided into 6 inlets by the ribs 11, which are respectively 3 inlets on the left side and 3 inlets on the right side, and the outlet on the left side is divided by the ribs 11 and 3 inlets on the right side. The guide bar 14 is divided into four, and the outlet on the right side is also divided into four by the rib bar 11 and the guide bar 14 . The number of outlets can be increased by setting the guide bar 14, and the flow resistance of the cooling working medium can be increased, so that the cooling working medium stays in the flow channel for a longer time.

In addition, the ribs 11 and the guide bars 14 can both be set in a wave shape, so as to increase the path of the cooling working fluid and improve the cooling efficiency of the cell cooling bracket.

Optionally, referring to FIG. 9 and FIG. 10 , the cell cooling bracket further includes openings 15 , and the openings 15 pass through the separator 1 to communicate with the flow channels 12 on both sides of the separator 1 .

Specifically, when the cooling fluid in the flow channels 12 on both sides of the separator 1 cools the adjacent cells at the same time, the cooling fluid in the flow channels 12 on both sides will cause a cooling effect due to the difference in flow rate or flow velocity. Difference; see Figure 10, when the opening 15 communicates with the flow passages 12 on both sides of the partition 1, it is beneficial to solve the problem of uneven flow distribution of the cooling medium in the area D1 and area D2, so that the above-mentioned area D1 and area D2 corresponds to the distribution of the flow rate of the battery cell is basically consistent, reducing the temperature difference between the battery cells on both sides of the battery cell cooling bracket, which is conducive to improving the temperature uniformity of the battery cells in the battery pack.

Optionally, referring to FIG. 10 , the cell cooling bracket further includes a guide wall 16, which is arranged on the edge of the opening 15 and is used to guide the cooling medium in the runner groove from the One side of the partition 1 flows through the opening 15 to the other side of the partition 1 .

Specifically, when the area of the battery core to be cooled by the battery cooling bracket is too large, the cooling working fluid in the battery cooling bracket must go through too long a journey, which may affect the battery life. Cooling efficiency of the cooling bracket. As shown in Figure 10, in the embodiment of the present application, a guide wall 16 is provided on one side of the partition 1, and an opening 15 is provided on the partition 1, and the cooling medium on the side of the area D2 passes through after hitting the guide wall 16. The opening 15 provided enters the side of the area D1, so that the flow of the cooling working fluid near the guide wall 16 changes drastically, so as to improve the mixed flow of the cooling working medium in the flow channels 12 on both sides of the separator 1, and improve the relationship between the cooling working medium and the battery cell. The heat transfer coefficient between them improves the cooling efficiency of the cell cooling bracket.

Similarly, a guide wall 16 may also be provided on the other side of the partition 1, so that the cooling medium in the area D1 enters the area D2 through the provided opening 15 after hitting the guide wall 16, and passes through the guide wall 16 Disturbance of the cooling medium causes drastic changes in the flow of the cooling medium at the opening 15, increasing the heat transfer coefficient between the cooling medium and the battery core, thereby improving cooling efficiency.

Optionally, referring to Fig. 1 and Fig. 6, the separator 1 has a bottom edge 17 and a side edge 18, and a support structure 2 is provided at the connecting position of the bottom edge 17 and the side edge 18, and the support structure 2 Used to support the core.

Specifically, the connection position between the side edge 18 and the bottom edge 17 on both sides of the separator 1 can be provided with a left-right symmetrical support structure 2 as shown in FIG. The cooling bracket ensures the tightness of the bonding between the battery cell and the battery cooling bracket, and improves the sealing performance of the flow channel 12 .

The embodiment of the present application also provides a battery pack, the battery pack includes a plurality of cells 200 and a plurality of cell cooling brackets 100;

A plurality of the electric cores 200 are arranged side by side, and the separator 1 is arranged between the adjacent electric cores 200, so that the flow channel grooves and the electric cores 200 are attached to form a flow channel 12, and the flow channel 12 is formed. A cooling working medium is arranged in the channel groove.

Specifically, the runner groove is bonded to the battery cell 200 to form a complete runner 12, and the runner groove is suitable for setting a cooling medium, and the cooling fluid passes through the inlet of the runner groove. It flows into the flow channel 12 and flows out of the flow channel 12 from the outlet of the flow channel groove. The cooling working medium in the flow channels 12 on both sides of the separator 1 can simultaneously cool the adjacent cells, which improves the cooling effect of the cell cooling bracket and ensures the consistency of the temperature in the battery pack.

Optionally, the battery pack further includes a tray (not shown in the figure), on which a plurality of battery cells 200 are arranged, a main channel is formed between the battery cells 200 and the tray, and a plurality of The flow channel 12 communicates with the main flow channel;

In the direction in which the battery cells 200 are arranged side by side, the edge of the separator 1 close to the inlet of the runner slot is inclined to the direction of the cooling working fluid flowing into the main channel.

Specifically, referring to Fig. 5, the cooling working fluid in the main flow channel can flow from the Y direction toward the -Y direction, that is, it flows through the area D1 on the right side of the battery cell, then flows through the area D2 on the right side of the battery cell, and then flows to the battery cell. The area D1 on the left side of the core then flows through the area D2 on the left side of the cell. The battery cell cooling support 100 is arranged between the adjacent battery cells 200 and arranged to the end of the battery pack in sequence, so that both large surfaces of all the battery cells in the battery pack can be cooled.

Specifically, the bottom surface of the inlet of the runner groove and the bottom surface of the battery cell 200 may be on the same horizontal line. In order to better balance the flow of the cooling working fluid in the area D1 and the area D2, a chamfer V inclined to the area D2 can be provided on the edge of the partition plate 1 close to the inlet of the runner groove to better guide the cooling The working fluid is attached to the bottom surface of the inlet of the cell cooling bracket 100 and tends to flow into the flow channel in the area D2.

Further, when the thickness of the separator 1 is thicker, the angle of the chamfer V can be made smaller, so as to guide the cooling working fluid to flow into the flow channel in the region D2. The angle range of the angle V is 0°-90°, preferably, the angle of the angle V can be 90°, 75°, 60°, 45°, 30° or 15°, to correspond to the thickness of the separator 1 0.5mm, 0.8mm, 1.2mm, 1.8mm, 2.5mm or 3mm.

The embodiment of the present application also provides a vehicle, the vehicle includes the battery pack.

Although some specific embodiments of the present application have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, rather than limiting the scope of the present application. Those skilled in the art will appreciate that modifications can be made to the above embodiments without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims (14)

1. A cell cooling bracket, characterized in that, comprising: A partition (1), the two side surfaces of the partition (1) are respectively provided with a plurality of ribs (11), a runner groove is formed between adjacent ribs (11), and a plurality of ribs ( The inlet of the runner groove is formed between the first ends of 11), and the outlet of the runner groove is formed between the second ends of the plurality of ribs (11); The separator (1) is configured to be arranged between adjacent electric cores, so that the flow channel groove and the electric core are attached to form a flow channel (12); The runner groove is suitable for setting cooling working fluid, the cooling working fluid flows into the runner (12) from the inlet of the runner groove, and flows out of the runner (12) from the outlet of the runner groove . 2. The cell cooling bracket according to claim 1, characterized in that, a plurality of ribs (11) located on the same side of the separator (1) are symmetrically arranged, and the inlet of the runner groove is located at the The bottom side of the partition (1), the outlet of the runner groove is located on both sides of the partition (1). 3. The cell cooling bracket according to claim 2, characterized in that, the width of the inlet area of the runner groove is greater than or equal to 1/4 of the width of the bottom side of the separator (1). 4. The cell cooling bracket according to claim 1, characterized in that, the thickness of the separator (1) ranges from 0.5 mm to 3 mm. 5. The cell cooling bracket according to claim 1, characterized in that, the cross-section of the rib (11) is square, the width of the rib (11) is 1.5-5mm, and the rib (11) is 11) The height range is 0.5mm-3mm. 6. The cell cooling bracket according to claim 1, characterized in that, the first end of the rib (11) forms a rounded surface (13), and the rounded surface (13) faces away from the flow The direction of the inlet of the channel groove is set obliquely. 7. The cell cooling bracket according to claim 6, characterized in that, the fillet diameter of the fillet surface (13) is equal to the width of the rib (11). 8. The cell cooling bracket according to claim 1, characterized in that it further comprises a guide bar (14), and the guide bar (14) is arranged at the second end adjacent to the rib (11) between. 9. The cell cooling bracket according to claim 1, characterized in that it further comprises an opening (15), and the opening (15) runs through the partition (1) to communicate with both sides of the partition (1). side runner (12). 10. The cell cooling bracket according to claim 9, further comprising a guide wall (16), the guide wall (16) being arranged on the edge of the opening (15) and used to guide the flow The cooling working fluid in the channel groove flows from one side of the partition (1) to the other side of the partition (1) through the opening (15). 11. The cell cooling bracket according to claim 1, characterized in that, the separator (1) has a bottom edge (17) and a side edge (18), and the bottom edge (17) and the side edge The connection position of (18) is provided with a supporting structure (2), and the supporting structure (2) is used to support the electric core. 12. A battery pack, characterized in that it comprises a plurality of battery cells (200) and a plurality of battery cell cooling supports (100) according to any one of claims 1-11; A plurality of the battery cells (200) are arranged side by side, and the separator (1) is arranged between the adjacent battery cells (200), so that the runner grooves and the battery cells (200) fit together A flow channel (12) is formed, and cooling working fluid is arranged in the flow channel groove. 13. The battery pack according to claim 12, characterized in that it further comprises a tray, on which a plurality of battery cells (200) are arranged, and a gap is formed between the battery cells (200) and the tray. A main channel, a plurality of said flow channels (12) communicate with said main channel; In the direction in which the battery cells (200) are arranged side by side, the edge of the separator (1) close to the inlet of the runner groove is inclined to the inflow direction of the cooling working fluid in the main channel. 14. A vehicle, comprising the battery pack according to claim 12 or 13.