CN214618412U - Shunt, cooling device, battery package and vehicle - Google Patents

Abstract

The utility model relates to a shunt, a cooling device, a battery pack and a vehicle, wherein the shunt comprises a main body which is provided with a liquid inlet, a liquid outlet, a shunting cavity and a distributing port, and the liquid inlet, the liquid outlet and the distributing port are all communicated with the shunting cavity; the reposition of redundant personnel piece, it is located the reposition of redundant personnel intracavity and is divided into first reposition of redundant personnel chamber and second reposition of redundant personnel chamber with the reposition of redundant personnel chamber, and the both ends of reposition of redundant personnel piece are connected with inlet and liquid outlet respectively in order equally divide inlet and liquid outlet to divide into first sub-mouth and second sub-mouth, first sub-mouth and first reposition of redundant personnel chamber intercommunication, second sub-mouth and second reposition of redundant personnel chamber intercommunication. Fluid enters the main body from the liquid inlet, is vertically shunted at the liquid inlet through the shunt piece and enters the upper shunt cavity and the lower shunt cavity, and then respectively enters the corresponding flow channels of the beam body, so that the fluid is reasonably shunted, more heat can be taken away by the fluid introduced into the beam body, the heat dissipation of the battery cell array is more uniform, and the local temperature is prevented from being too high.

Description

Shunt, cooling device, battery package and vehicle

Technical Field

The utility model relates to a power battery technical field, concretely relates to shunt, cooling device, battery package and vehicle.

Background

Hybrid and electric vehicles typically require high efficiency power battery systems to provide energy. When operating at high power, the charging and discharging processes of the battery generate a large amount of heat, so that the heat is accumulated inside the battery and the performance of the battery is degraded.

Based on the above, the power battery is sensitive to temperature, in order to enable the power battery to work at the optimal temperature (15-35 ℃), the battery system needs to be provided with an air cooling or liquid cooling system, and the liquid cooling system is most applied particularly because the air cooling heat exchange coefficient is low and the heat exchange speed is slow. At the moment, the beams on the two sides of the battery cell array are cooled by liquid, so that the heat exchange between the battery cell array and the cooling liquid is realized, and if the cooling liquid cannot be reasonably shunted, the heat exchange efficiency of the cooling liquid introduced into the beams is low easily, so that the heat dissipation of the battery cell array is uneven, and the local temperature is overhigh.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves lies in overcoming the defect among the prior art, the utility model provides a current divider, a cooling device, battery package and vehicle, the fluid is gone into the main part by the inlet, through shunt member reposition of redundant personnel about going on and get into two upper and lower reposition of redundant personnel chambeies, in getting into the corresponding runner of roof beam body respectively again, the fluid has carried out the reasonable reposition of redundant personnel like this, make the fluid that lets in the roof beam body can take away more heats easily, the heat exchange efficiency is improved, make the heat dissipation of electricity core row more even, avoid causing local temperature too high.

According to the utility model discloses a specific embodiment, the first aspect, the utility model provides a current divider, include: the main body is provided with a liquid inlet, a liquid outlet, a distribution cavity and a distribution port, and the liquid inlet, the liquid outlet and the distribution port are all communicated with the distribution cavity;

the reposition of redundant personnel piece, it is located in order to incite somebody to action the reposition of redundant personnel intracavity is divided into first reposition of redundant personnel chamber and second reposition of redundant personnel chamber, just the both ends of reposition of redundant personnel piece respectively with inlet and liquid outlet are connected in order to incite somebody to action inlet and liquid outlet are equallyd divide and are divided into first sub-mouth and second sub-mouth, first sub-mouth with first reposition of redundant personnel chamber intercommunication, the second sub-mouth with second reposition of redundant personnel chamber intercommunication.

Preferably, the reposition of redundant personnel piece includes first reposition of redundant personnel separation blade, the main part includes the both sides wall of relative setting, the inlet with the liquid outlet is located on the both sides wall of the relative setting of main part, just the relative both ends of first reposition of redundant personnel separation blade respectively with the both sides wall of the relative setting of main part is connected.

Preferably, the flow divider further comprises a first pipeline joint and a second pipeline joint, the first pipeline joint is communicated with the liquid inlet, the second pipeline joint is communicated with the liquid outlet, and at least one of two ends, connected by two oppositely-arranged side walls, of the main body extends into the first pipeline joint or the second pipeline joint.

Preferably, the first flow dividing baffle plate divides the first pipeline joint into a first passage and a second passage, the first passage is communicated with the first flow dividing cavity, the second passage is communicated with the second flow dividing cavity, and the cross-sectional area of the first passage is larger than that of the second passage; and/or the first flow dividing baffle plate divides the second pipeline joint into a first passage and a second passage, the first passage is communicated with the first flow dividing cavity, the second passage is communicated with the second flow dividing cavity, and the cross-sectional area of the first passage is larger than that of the second passage.

Preferably, the shunting intracavity is equipped with first location step and second location step, first location step and second location step set up relatively in on the both sides inner wall of main part, the step face of first location step and second location step all is close to the setting of distribution opening.

Preferably, the first positioning step is close to the inlet, the second positioning step is close to the outlet, and the first positioning step is along the inlet to the ascending thickness of the direction of the outlet is greater than the second positioning step along the inlet to the ascending thickness of the direction of the outlet.

Preferably, a second diversion baffle is arranged in at least one of the first diversion cavity and the second diversion cavity, the second diversion baffle is opposite to the first diversion baffle, and gaps exist between the second diversion baffle and the first positioning step and between the second diversion baffle and the second positioning step.

Preferably, the end surfaces of the first and second flow dividing baffles close to the distribution port are coplanar with the end surfaces of the first and second positioning steps close to the distribution port; or the end surfaces of the first and second flow dividing baffle plates close to the distribution port are lower than the end surfaces of the first and second positioning steps close to the distribution port.

According to a second aspect of the present invention, there is provided a cooling device, including a beam body having a flow channel therein, the flow channel extending along a length direction of the beam body inside the beam body; and the flow dividers are arranged at two ends of the beam body, and the flow dividing cavities are communicated with the flow channels to form fluid passages.

According to the utility model discloses a specific embodiment, the third aspect, the utility model provides a battery package, include cooling device.

According to the utility model discloses a specific embodiment, the fourth aspect, the utility model provides a vehicle, include the battery package.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a shunt, in the fluid enters into the main part by the inlet, shunt about going on through the reposition of redundant personnel fluid and get into two upper and lower reposition of redundant personnel chambeies, the corresponding runner of rethread entering roof beam body respectively for the fluid flow distribution in the upper and lower cavity that lets in the runner is even, has carried out the reposition of redundant personnel rationally to the fluid like this, makes the fluid that lets in the roof beam body can take away more heats easily, and the heat exchange efficiency is improved, and the heat dissipation that makes the electricity core row is more even, avoids causing local high temperature.

2. In the flow divider provided by the utility model, the first flow dividing baffle plate can divide the flow up and down, so that the flow distribution in the flow channel of the beam body is more uniform; the second shunting separation blade can shunt fluid in the beam bodies connected by the multiple groups, so that the flow distribution of the fluid is uniform, and the heat dissipation of each cell array is more uniform.

3. The utility model provides a shunt, the inner wall both sides of main part set up the location step for the position that the main part was inserted to the roof beam body is accurate, also can make the welding more firm, can realize the flow of adjusting first runner and second runner through the thickness that changes the location step simultaneously, makes flow distribution more equal, and each electricity core is listed as the heat dissipation more evenly.

4. The utility model provides a cooling device, the tip of roof beam body inserts the main part in-connection fixed as an organic whole, realizes sealing connection, and the shunt is a cast whole, has reduced the connecting piece, and cooling device preparation is an integral erection in the battery package, and adopts the rubber hose to connect between adjacent two sets of cooling device, has consequently reduced the sealed tie point, and each sealing connection is reliable moreover, is difficult for taking place the seepage, can improve the safe in utilization and the reliability of battery package.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a cooling device according to the present invention;

FIG. 2 is an exploded view of the structure shown at I in FIG. 1;

FIG. 3 is a perspective view of the flow diverter;

FIG. 4 is a front view of the flow diverter shown in FIG. 3;

FIG. 5 is a cross-sectional view A-A shown in FIG. 1;

fig. 6 is a perspective view of a battery pack provided by the present invention;

fig. 7 is an exploded view of the battery pack shown in fig. 6;

10-a flow divider; 11-a beam body; 12-a flow channel; 13-a body; 14-a first flow-dividing baffle; 17-a second flow-dividing baffle; 18-a first shunting chamber; 19-a second distribution chamber; 20-a first pipe joint; 21-a second pipe joint; 22-a first channel; 23-a second channel; 24-a first positioning step; 25-a second positioning step; 26-a threaded hole; 27-plug; 28-boss; 29-a dispensing opening; 30-cell column; 31-an end plate; 32-side plate; 33-a limiting block;

100-a cooling device; 121-a first flow channel; 122-second flow path.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

According to a specific embodiment of the present invention, in a first aspect, the present invention provides a flow divider, as shown in fig. 1 to 5, including: a main body 13 having a liquid inlet, a liquid outlet, a distribution chamber and a distribution port 29, the liquid inlet, the liquid outlet and the distribution port 29 all communicating with the distribution chamber; the reposition of redundant personnel piece, it is located in order to incite somebody to action the reposition of redundant personnel intracavity is divided into first reposition of redundant personnel chamber 18 and second reposition of redundant personnel chamber 19, just the both ends of reposition of redundant personnel piece respectively with inlet and liquid outlet are connected in order to incite somebody to action inlet and liquid outlet are equallyd divide and are divided into first sub-mouth and second sub-mouth, first sub-mouth with first reposition of redundant personnel chamber 18 intercommunication, the second sub-mouth with second reposition of redundant personnel chamber 19 intercommunication.

In the above-mentioned flow divider, the fluid enters the main body 13 from the liquid inlet, and because the flow dividing member is disposed at the liquid inlet and the liquid outlet, and divides the liquid inlet and the liquid outlet equally into the first sub-port and the second sub-port, the fluid is divided up and down at the liquid inlet by the flow dividing member, and enters the upper and lower two flow dividing cavities, i.e., the first flow dividing cavity 18 and the second flow dividing cavity 19; the both sides of roof beam body 11 can be equipped with the electric core and arrange, one side that has distribution port 29 in the main part is connected with roof beam body 11, can establish to have runner 12 in the roof beam body 11, get into respectively in the corresponding runner 12 of roof beam body 11 again after the fluid reposition of redundant personnel like this, make the fluid flow distribution in the upper and lower cavity that lets in runner 12 even, the fluid has carried out the reposition of redundant personnel rationally like this, make the fluid that lets in roof beam body 11 can take away more heats easily, heat exchange efficiency is improved, make the heat dissipation of electric core row more even, avoid causing local high temperature.

In some embodiments, the flow channel 12 of the beam body 11 includes a first flow channel 121 and a second flow channel 122, the first flow channel 121 and the second flow channel 122 are respectively located at two sides of the width direction of the beam body 11, each of the first flow channel 121 and the second flow channel 122 includes a plurality of cavities, the cavities are arranged at intervals along the height direction of the beam body 11, the length of the flow channel 12 is arranged along the length direction of the beam body 11 and penetrates through the beam body 11, for light weight design, a cavity may be arranged between the first flow channel 121 and the second flow channel 122, and the cavity is sealed at an end of the beam body 11 by using a plug 27; only one flow passage may be provided in the beam body 11 for liquid cooling.

In some embodiments, the flow dividing member includes a first flow dividing baffle 14, the main body 13 includes two opposite sidewalls, the liquid inlet and the liquid outlet are disposed on the two opposite sidewalls of the main body 13, and two opposite ends of the first flow dividing baffle 14 are respectively connected to the two opposite sidewalls of the main body 13. Through making the inlet with the liquid outlet set up relatively in the both sides of main part 13, first reposition of redundant personnel separation blade 14 with the interior wall connection of main part 13, when the fluid adopted the coolant liquid, when the coolant liquid was established to the cooling water, the cooling water was because self gravity at the flow in-process, rivers more easily flow to following cavity, can set up first reposition of redundant personnel separation blade 14 level, can shunt about passing into the fluid in runner 12 better like this for the fluid flow distribution in the upper and lower cavity that lets in runner 12 is even.

The flow divider further comprises a first pipeline joint 20 and a second pipeline joint 21, the first pipeline joint 20 is communicated with the liquid inlet, the second pipeline joint 21 is communicated with the liquid outlet, and at least one of two ends, connected by two oppositely-arranged side walls, of the main body 13 extends into the first pipeline joint 20 or the second pipeline joint 21. The first pipe joint 20 is used for inputting fluid, and the second pipe joint 21 is used for outputting fluid; specifically, the first pipeline joint 20 and the second pipeline joint 21 may be symmetrically disposed at two sides of the main body 13, and the first pipeline joint 20 and the second pipeline joint 21 are respectively communicated with a diversion cavity in the main body 13; the first flow dividing baffle 14 can extend into the first pipeline joint 20 and the second pipeline joint 21 in the same horizontal plane, and more specifically, two extending ends of the first flow dividing baffle 14, which extend oppositely, are flush with the inlet end of the first pipeline joint 20 and the outlet end of the second pipeline joint 21 respectively, so that the structural arrangement can realize better flow dividing effect; or the first diversion baffle 14 extends only into the first pipe joint 20 or the second pipe joint 21; or the first shunting baffle 14 is only arranged in the shunting cavity; the main body 13, the first flow dividing baffle 14, the first pipe joint 20 and the second pipe joint 21 can be integrally cast, or the first pipe joint 20 and the second pipe joint 21 are welded on two sides of the main body 13, and the first flow dividing baffle 14 is arranged in the first pipe joint 20, so that the cooling water is divided at the liquid inlet.

The first flow dividing baffle 14 divides the first pipe joint 20 into a first passage 22 and a second passage 23, the first passage 22 is communicated with the first flow dividing cavity 18, the second passage 23 is communicated with the second flow dividing cavity 19, and the cross-sectional area of the first passage 22 is larger than that of the second passage 23; and/or, the first flow dividing baffle 14 divides the second pipeline joint 21 into a first passage 22 and a second passage 23, the first passage 22 is communicated with the first flow dividing cavity 18, the second passage 23 is communicated with the second flow dividing cavity 19, and the cross-sectional area of the first passage 22 is larger than that of the second passage 23. The fluid in the first branch chamber 18 can be an upper chamber body which is communicated with the flow channel 12 of the beam body 11, and the fluid in the second branch chamber 19 can be a lower chamber body which is communicated with the flow channel 12 of the beam body 11; the first channel 22 can be arranged above the first pipeline joint 20, the second channel 23 can be arranged below the first pipeline joint 20, and because the cooling water flows to the lower cavity more easily due to the gravity of the cooling water in the flowing process, the cross-sectional area of the first channel 22 is set to be larger than that of the second channel 23, so that the cooling water with larger flow rate can be introduced into the first channel 22 and introduced into the upper cavity of the flow channel 12 of the beam body 11 through the first diversion cavity 18, and the cooling water which can be introduced into the upper cavity and the lower cavity of the beam body 11 is more uniform.

A first positioning step 24 and a second positioning step 25 are arranged in the flow dividing cavity, and the first positioning step 24 and the second positioning step 25 are oppositely arranged on the inner walls of the two sides of the main body 13; the step surfaces of the first positioning step 24 and the second positioning step 25 are both arranged close to the distribution opening 29. One side of the main body 13 is provided with a distribution port 29, the end part of the beam body 11 is inserted into the main body 13 through the distribution port 29, a gap formed between the end part of the beam body 11 and the inner wall of the main body 13 can be hermetically connected by welding or gluing, the inner diameter size formed by the first positioning step 24 and the second positioning step 25 at two sides is smaller than that of the main body 13, when the end part of the beam body 11 is abutted against the first positioning step 24 and the second positioning step 25, the beam body 11 can be accurately positioned, and the connection between the beam body 11 and the main body 13 can be firmer; in addition, when the fluid enters the flow channel 12, no obstruction is formed by the wall thickness of the beam body 11, and the flow resistance is small.

First location step 24 is close to the inlet sets up, second location step 25 is close to the liquid outlet sets up, just first location step 24 is followed the inlet extremely the ascending thickness A of the side of liquid outlet is greater than second location step 25 is followed the inlet extremely the ascending thickness B of the side of liquid outlet. When fluid enters the cavity in the main body 13, more cooling water can be introduced into the first flow channel 121 close to the fluid inlet of the first pipe joint 20 than into the second flow channel 122 on the opposite side, and in order to balance the flow rates of the two flow channels, the thickness a of the first positioning step 24 on the same side as the first flow channel 121 is increased, so that the width of the first flow channel 121 can be blocked, the cross-sectional area of the first flow channel 121 is relatively reduced, and the flow rate of the cooling water introduced into the first flow channel 121 can be adjusted; if the flow rate of the cooling water entering the cavity in the main body 13 is constant and the flow rate of the cooling water introduced into the first flow channel 121 is reduced by adjustment, the flow rate of the cooling water that can enter the second flow channel 122 is increased accordingly, so that the flow rates of the two flow channels on the left and right sides in the width direction of the beam body 11 are well balanced.

The end faces of the first and second flow dividing flaps 14 and 17 close to the dispensing opening 29 are coplanar with the end faces of the first and second positioning steps 24 and 25 close to the dispensing opening 29; alternatively, the end surfaces of the first and second flow dividing flaps 14 and 17 close to the dispensing opening 29 are lower than the end surfaces of the first and second positioning steps 24 and 25 close to the dispensing opening 29. The extending heights of the first positioning step 24 and the second positioning step 25 in the X-axis direction are higher than the extending heights of the first flow-dividing baffle 14 and the second flow-dividing baffle 17 in the X-axis direction; when the end of the beam body 11 is inserted into the main body 13 through the distribution port 29, the first flow dividing baffle 14 abuts against the end of the beam body 11; or a gap is arranged between the first diversion baffle plate 14 and the end part of the beam body 11; the first shunting baffle plate 14 can be abutted against the end part of the beam body 11, and the cooling water is respectively introduced into the upper cavity and the lower cavity of the flow passage 12 of the beam body 11 after being shunted up and down; or the first diversion baffle plate 14 and the end part of the beam body 11 are provided with a slightly smaller gap, so that the cooling water in the upper cavity and the lower cavity of the main body 13 can flow through the gap, and the flow rate of the cooling water in the upper cavity and the lower cavity can be properly balanced; likewise, the second dividing baffle 17 has the same features and will not be described further here.

After the fluid enters the main body 13, it is avoided that too much fluid enters the flow channel 12 of the beam body 11, which results in less fluid entering the flow channel 12 of the beam body 11 of other cooling devices, and a preferable scheme is that a second flow dividing baffle 17 is arranged in at least one of the first flow dividing cavity 18 and the second flow dividing cavity 19, the second flow dividing baffle 17 is arranged opposite to the first flow dividing baffle 14, and gaps exist between the second flow dividing baffle 17 and the first positioning step 24 and between the second flow dividing baffle 17 and the second positioning step 25. Through set up second reposition of redundant personnel separation blade 17 in first reposition of redundant personnel chamber 18 and second reposition of redundant personnel chamber 19 respectively, because blockking of second reposition of redundant personnel separation blade 17 and separating, in the difficult upper and lower region that gets into first reposition of redundant personnel chamber 18 and second reposition of redundant personnel chamber 19 of cooling water, only flow through from the clearance that second reposition of redundant personnel separation blade 17 and the first location step 24 and the setting of second location step 25 of both sides, more cooling water flows out from second pipe joint 21 like this and gets into in the runner 12 of next cooling device's roof beam body 11, consequently can shunt the cooling water that the multiunit cooling device who connects let in.

The main body 13 is provided with a threaded hole 26, the threaded hole 26 is located at one end far away from the beam body 11, and the threaded hole 26 is a blind hole. The inner wall of the main body 13 can be provided with a raised boss 28, the boss 28 can be a cylinder, the depth of the threaded hole 26 extends from the outer side of the main body 13 to the inside of the raised boss 28, and the threaded hole 26 is a blind hole to prevent the fluid in the main body 13 from leaking; for ease of mounting and dismounting, the end plate 31 may be provided with corresponding mounting holes, and the end plate 31 is secured to the body 13 by bolts threaded through the mounting holes and into the threaded holes 26.

In some embodiments, the flow divider 10 is formed as a single piece and can be cast to form, thereby reducing the number of connections, i.e., correspondingly reducing the number of sealed joints, and thus avoiding the risk of leakage of cooling water due to excessive sealed joints; the ends of the first pipe joint 20 and the second pipe joint 21 can be connected with threaded pipe joints, and two adjacent groups of cooling devices 100 can be detachably connected with the threaded pipe joints by using hoses so as to realize the circulation of fluid and make the installation more convenient.

According to the utility model discloses a specific embodiment, the second aspect, the utility model provides a cooling device, include: the beam comprises a beam body 11, wherein a flow channel 12 is arranged in the beam body 11, and the flow channel 12 extends in the length direction of the beam body 11; and the flow divider is arranged at the two ends of the beam body 11, and the flow dividing cavity is communicated with the flow channel 12 to form a fluid passage. The main body 13 has a dispensing opening 29 on one side, the end of the beam body 11 is inserted into the main body 13 through the dispensing opening 29, the gap formed between the end of the beam body 11 and the inner wall of the main body 13 can be sealed by welding or gluing, or the beam body 11 can be butted against the end of the main body 13, which is not limited herein.

In some embodiments, the flow channel 12 of the beam body 11 includes a first flow channel 121 and a second flow channel 122, the first flow channel 121 and the second flow channel 122 are respectively located at two sides of the width direction of the beam body 11, each of the first flow channel 121 and the second flow channel 122 includes a plurality of cavities, the cavities are arranged at intervals along the height direction of the beam body 11, the length of the flow channel 12 is arranged along the length direction of the beam body 11 and penetrates through the beam body 11, for light weight design, a cavity may be arranged between the first flow channel 121 and the second flow channel 122, and the cavity is sealed at an end of the beam body 11 by using a plug 27; only one flow channel can be arranged on the beam body 11 for liquid cooling; when the width of the beam body 11 is increased to a certain width, a threaded hole can be formed at the top end of the beam body 11, the threaded hole can be communicated with a cavity between the first flow channel 121 and the second flow channel 122, and the battery pack is hung and mounted on a vehicle body through the threaded connection structure; or a nut may be provided at the top end of the beam body 11.

According to the utility model discloses a detailed implementation way, the third aspect, the embodiment of the utility model provides a battery package, including a plurality of cooling device. The ends of the first pipe joint 20 and the second pipe joint 21 can be connected with threaded pipe joints, and two adjacent groups of cooling devices 100 can be detachably connected with the threaded pipe joints by using hoses so as to realize the circulation of fluid and make the installation more convenient.

As shown in fig. 6 to 7, the battery pack further includes: a cell row 30; two end plates 31 respectively located at two ends of the cell array 30, wherein the end plates 31 are connected with the main body 13 of the shunt 10; the two side plates 32 are arranged at intervals, two ends of each side plate 32 are respectively connected with the end plate 31, and the side plates 32 and the end plates 31 are enclosed to form a square frame; the cooling devices 100 are arranged in the square frame at intervals in parallel, the cooling devices 100 divide the square frame into a plurality of regions, and the cell rows 30 are arranged in the regions. The two end plates 31 are respectively fixed on the main body 13 of the shunt 10 by bolts, and the expansion of the battery cell can be limited by the bolt connection to extrude the end plates 31, so that the outward deformation of the end plates 31 can be reduced; the two sides of the cell array 30 are tightly attached to the beam body 11, and one side of the outermost cell array 30 is tightly attached to the side plate 32.

A limiting block 33 is arranged between the cell column 30 and the end plate 31, and two side surfaces of the limiting block 33 are respectively abutted against the cell and the end plate 31. The large surface of the battery cell array 30 is tightly abutted by the limiting block 33, and the battery cell array 30 is fixed in a square frame formed by enclosing the side plate 32 and the end plate 31; in order to avoid interference with the pipelines connected to the two adjacent groups of cooling devices 100, the stoppers 33 may be disposed on the upper and lower sides of the pipelines.

One of the first pipe joint 20 and the second pipe joint 21 of the flow divider 10 may be used for fluid input, and the other may be used for fluid output, which is not limited herein; the fluid enters the main body 13 from the liquid inlet, and is divided up and down by the flow dividing piece to respectively enter an upper flow dividing cavity and a lower flow dividing cavity, namely a first flow dividing cavity 18 and a second flow dividing cavity 19; one side that has distribution port 29 in the main part is connected with roof beam body 11, can establish to have runner 12 in the roof beam body 11, get into respectively in the corresponding runner 12 of roof beam body 11 again after the fluid reposition of redundant personnel like this, make the fluid flow distribution in the upper and lower cavity that lets in runner 12 even, the fluid has carried out the reposition of redundant personnel rationally like this, arrange 30 to the electric core that is located roof beam body 11 both sides and cool off, make the fluid that lets in roof beam body 11 can take away more heat easily, heat exchange efficiency is improved, make the heat dissipation of electric core row more even, avoid causing local high temperature.

According to the utility model discloses a detailed implementation way, the fourth aspect, the embodiment of the utility model provides a vehicle, include the battery package.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims (11)

1. A flow splitter, comprising:

the main body (13) is provided with a liquid inlet, a liquid outlet, a distribution cavity and a distribution port (29), wherein the liquid inlet, the liquid outlet and the distribution port (29) are respectively communicated with the distribution cavity;

the reposition of redundant personnel piece, it is located in order to incite somebody to action the reposition of redundant personnel intracavity is divided into first reposition of redundant personnel chamber (18) and second reposition of redundant personnel chamber (19), just the both ends of reposition of redundant personnel piece respectively with inlet and liquid outlet are connected in order to incite somebody to action inlet and liquid outlet are equallyd divide and are divided into first sub-mouth and second sub-mouth, first sub-mouth with first reposition of redundant personnel chamber (18) intercommunication, the second sub-mouth with second reposition of redundant personnel chamber (19) intercommunication.

2. The flow divider according to claim 1, wherein the flow dividing member comprises a first flow dividing baffle (14), the main body (13) comprises two oppositely disposed sidewalls, the liquid inlet and the liquid outlet are disposed on the two oppositely disposed sidewalls of the main body (13), and two opposite ends of the first flow dividing baffle (14) are respectively connected with the two oppositely disposed sidewalls of the main body (13).

3. The flow divider according to claim 2, characterized by further comprising a first pipe connection (20) and a second pipe connection (21), the first pipe connection (20) communicating with the liquid inlet, the second pipe connection (21) communicating with the liquid outlet, at least one of the two ends of the first flow dividing baffle (14) connected to the oppositely arranged side walls of the body (13) extending into the first pipe connection (20) or the second pipe connection (21).

4. The flow divider according to claim 3, characterized in that the first flow dividing flap (14) divides the first pipe connection (20) into a first channel (22) and a second channel (23), the first channel (22) communicating with the first flow dividing chamber (18), the second channel (23) communicating with the second flow dividing chamber (19), and the cross-sectional area of the first channel (22) being larger than the cross-sectional area of the second channel (23); and/or the presence of a gas in the gas,

the first flow dividing baffle plate (14) divides the second pipeline joint (21) into a first passage (22) and a second passage (23), the first passage (22) is communicated with the first flow dividing cavity (18), the second passage (23) is communicated with the second flow dividing cavity (19), and the cross-sectional area of the first passage (22) is larger than that of the second passage (23).

5. The flow divider according to any one of claims 2 to 4, wherein a first positioning step (24) and a second positioning step (25) are provided in the dividing chamber, the first positioning step (24) and the second positioning step (25) are oppositely disposed on the inner walls of the two sides of the main body (13), and the step surfaces of the first positioning step (24) and the second positioning step (25) are disposed near the distribution opening (29).

6. The flow divider according to claim 5, characterized in that the first positioning step (24) is arranged close to the liquid inlet, the second positioning step (25) is arranged close to the liquid outlet, and the thickness of the first positioning step (24) in the direction from the liquid inlet to the liquid outlet is larger than the thickness of the second positioning step (25) in the direction from the liquid inlet to the liquid outlet.

7. The flow divider according to claim 5, characterized in that a second flow dividing baffle (17) is provided in at least one of the first flow dividing chamber (18) and the second flow dividing chamber (19), the second flow dividing baffle (17) being arranged opposite to the first flow dividing baffle (14), and the second flow dividing baffle (17) being free from both the first positioning step (24) and the second positioning step (25).

8. The flow divider according to claim 7, characterized in that the end faces of the first and second flow dividing flaps (14, 17) close to the distribution opening (29) are coplanar with the end faces of the first and second positioning steps (24, 25) close to the distribution opening (29); or the like, or, alternatively,

the end surfaces of the first and second flow dividing baffles (14, 17) close to the distribution opening (29) are lower than the end surfaces of the first and second positioning steps (24, 25) close to the distribution opening (29).

9. A cooling apparatus, comprising:

the beam comprises a beam body (11), wherein a flow channel (12) is arranged in the beam body (11), and the flow channel (12) extends in the length direction of the beam body (11) and is arranged in the beam body (11); and the number of the first and second groups,

the flow divider of any of claims 1-8, wherein the flow divider is disposed at both ends of the beam body (11), and the flow dividing cavity is communicated with the flow channel (12) to form a fluid passage.

10. A battery pack, characterized by comprising the cooling device according to claim 9.

11. A vehicle characterized by comprising the battery pack according to claim 10.

Images