CN210200917U - End plate, water cooling system, battery module and battery package - Google Patents

End plate, water cooling system, battery module and battery package Download PDF

Info

Publication number
CN210200917U
CN210200917U CN201921663063.XU CN201921663063U CN210200917U CN 210200917 U CN210200917 U CN 210200917U CN 201921663063 U CN201921663063 U CN 201921663063U CN 210200917 U CN210200917 U CN 210200917U
Authority
CN
China
Prior art keywords
cooling
water
channel
end plate
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921663063.XU
Other languages
Chinese (zh)
Inventor
Jianchang Li
李建昌
Fanduo Qu
曲凡多
Zhenyu Yang
杨振宇
Jue Wang
王珏
Kehao Chen
陈科昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Svolt Energy Technology Co Ltd
Original Assignee
Svolt Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Svolt Energy Technology Co Ltd filed Critical Svolt Energy Technology Co Ltd
Priority to CN201921663063.XU priority Critical patent/CN210200917U/en
Application granted granted Critical
Publication of CN210200917U publication Critical patent/CN210200917U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model relates to a power battery wraps technical field, provides an end plate, water cooling system, battery module and battery package. The end plate is used for setting up at electric core tip, the end plate package rubbing board body, the internal portion of plate is equipped with the first cooling channel who is used for letting in the coolant liquid, first cooling channel includes inlet channel and liquid outlet channel, inlet channel with liquid outlet channel all sets up to the edge the length direction of plate body extends. The utility model discloses an end plate can cool off electric core from the tip of electric core through setting up cooling channel in inside, has promoted the cooling effect to electric core, utilizes the integrated water cooling pipeline design of current end plate moreover, and corresponding arrangement of having saved current cooling pipeline saves battery package inner space, has improved the space utilization and the security performance of battery package to whole package cost has been reduced.

Description

End plate, water cooling system, battery module and battery package
Technical Field
The utility model relates to a power battery wraps technical field, in particular to end plate, water cooling system, battery module and battery package.
Background
With the national vigorous popularization of new energy fields, electric vehicles become the mainstream trend in the future, and the power battery is taken as the most core power supply part of the electric vehicle, so that the key indexes of the driving range, the cost, the service life, the safety and the like of the whole vehicle are determined.
A thermal management system can be designed in the existing battery pack to cool or heat the battery pack, so that the temperature of the battery can be guaranteed to be within a proper working temperature range no matter the power battery is used in a high-temperature or low-temperature environment. At present, the active cooling scheme in the battery pack generally uses a cooling plate design, and water channel communication between a water inlet and a water outlet of the battery pack and each cooling plate is completed through a cooling pipeline. However, the design of the cooling pipeline occupies a large space inside the battery pack, and the cooling effect is not ideal.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an end plate, water cooling system, battery module and battery package that can cool off electric core from the tip of electric core, promote electric core cooling effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides an end plate, the end plate is used for setting up at electric core tip, the end plate package rubbing board body, the plate body is inside to be equipped with the first cooling channel who is used for letting in the coolant liquid, first cooling channel includes inlet channel and liquid outlet channel, inlet channel with liquid outlet channel all sets up to follow the length direction of plate body extends.
Optionally, a cylindrical cavity is formed inside the plate body, and the cylindrical cavity forms the first cooling channel.
Optionally, the inside first die cavity and the second die cavity that forms the interval setting of separating through the baffle of plate body, cylindrical die cavity is located the inside of first die cavity, first die cavity with be connected through the strengthening rib between the cylindrical die cavity, inlet channel with liquid outlet channel sets up respectively in the difference in the first die cavity.
The utility model discloses the second aspect provides a water cooling system, a plurality of above-mentioned arbitrary schemes that are located a plurality of water-cooling boards of electric core side and are used for connecting adjacent water-cooling board including parallel arrangement the end plate, the inside second cooling channel that is equipped with of water-cooling board, be equipped with on the water-cooling board with inlet and liquid outlet that second cooling channel is linked together, every the inlet channel of end plate respectively with adjacent the inlet of water-cooling board links to each other, every the liquid outlet channel of end plate respectively with adjacent the liquid outlet of water-cooling board links to each other.
Optionally, the end plate is perpendicular to the water cooling plate and is located in the middle of the water cooling plate, and the liquid inlet and the liquid outlet are correspondingly arranged in the middle of the water cooling plate.
Optionally, the liquid inlet is located below the liquid outlet; and/or
The liquid inlet channel with the both ends of liquid outlet channel all are provided with the interior concave part that is convenient for connect the water-cooling board with the connecting plug installation of end plate.
The utility model discloses the third aspect provides a battery module, include the module frame and be located the inside a plurality of electric core groups of module frame and above-mentioned arbitrary scheme the water cooling system, the end plate the water cooling board reaches inject between the module frame and be used for the installation the space of electric core group.
The utility model discloses the fourth aspect provides a battery pack, including last casing, lower casing and a plurality of above-mentioned scheme battery module.
Optionally, the liquid inlet and the liquid outlet of the water-cooling plate of the adjacent battery module are connected through a connecting plug.
Optionally, the battery pack comprises a main water inlet pipe and a main water outlet pipe, and the main water inlet pipe and the main water outlet pipe are respectively communicated with the liquid inlet and the liquid outlet of the water cooling plate located at the end part.
Compared with the prior art, the end plate has the following advantages:
the utility model discloses an end plate can cool off electric core from the tip of electric core through setting up cooling channel in inside, has promoted the cooling effect to electric core, utilizes the integrated water cooling pipeline design of current end plate moreover, and corresponding arrangement of having saved current cooling pipeline saves battery package inner space, has improved the space utilization and the security performance of battery package to whole package cost has been reduced.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of an end plate according to an embodiment of the present invention;
FIG. 2 is a side view of the end plate of FIG. 1;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;
fig. 4 is a schematic structural diagram of a water cooling system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;
fig. 7 is a complete schematic diagram of the water cooling system in the battery pack of fig. 6.
Description of reference numerals:
1-plate body, 2-inlet channel, 3-outlet channel, 4-cylindrical cavity, 5-first cavity, 6-second cavity, 7-reinforcing rib, 8-water-cooled plate, 9-second cooling channel, 10-inlet, 11-outlet, 12-connecting plug, 13-inner concave part, 14-module frame, 15-electric core group, 16-main inlet pipe and 17-main outlet pipe.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
With reference to fig. 1-3, according to the utility model discloses an aspect provides an end plate, the end plate is used for setting up at electric core tip, the end plate package rubbing board body 1, 1 inside first cooling channel that is used for letting in the coolant liquid that is equipped with of plate body, first cooling channel includes inlet channel 2 and liquid outlet channel 3, inlet channel 2 with liquid outlet channel 3 all sets up to follow the length direction of plate body 1 extends.
The utility model discloses an end plate sets up between the tip of adjacent electric core group in the battery module usually, plays the effect of location to electric core group, can promote the stability of electric core group, and wherein, electric core group piles up by a plurality of electric cores and forms. The utility model discloses in, through at the inside cooling channel that sets up of end plate, can cool off electric core from the tip of electric core, the coolant liquid gets into through inlet channel 2, and flow out through outlet channel 3, and inlet channel 2 and outlet channel 3 all set up to extend for the length direction along the end plate, so that the tip of electric core group can fully flow through by the coolant liquid, the cooling effect to electric core has been promoted, and utilize the integrated water-cooling pipeline design of end plate, correspondingly, the arrangement of current cooling pipeline has been saved, save battery package inner space, the space utilization and the security performance of battery package have been improved, and whole package cost has been reduced.
In order to arrange the above-mentioned first cooling channel inside the plate body 1, a cylindrical cavity 4 is provided inside the plate body 1, the cylindrical cavity 4 forming the first cooling channel. Wherein, for the intensity that promotes the end plate, and then promote the stability of whole module, 1 inside first die cavity 5 and the second die cavity 6 that forms the interval setting through the baffle partition of plate body, cylindrical die cavity 4 is located the inside of first die cavity 5, first die cavity 5 with be connected through strengthening rib 7 between the cylindrical die cavity 4, from this, can correspondingly promote the intensity of cylindrical die cavity 4, furtherly, for improving the cooling effect, inlet channel 2 with outlet channel 3 sets up respectively differently in first die cavity 5, can also guarantee inlet channel 2 and outlet channel 3's intensity simultaneously.
In combination with fig. 4, the utility model discloses the second aspect provides a water cooling system, a plurality of above-mentioned arbitrary schemes that are located a plurality of water-cooling boards 8 of electric core side and are used for connecting adjacent water-cooling board 8 including parallel arrangement the end plate, water-cooling board 8 is inside to be equipped with second cooling channel 9, be equipped with on the water-cooling board 8 with inlet 10 and liquid outlet 11 that second cooling channel 9 is linked together, every the inlet channel 2 of end plate respectively with adjacent water-cooling board 8's inlet 10 links to each other, every the liquid outlet 3 of end plate respectively with adjacent water-cooling board 8's liquid outlet 11 links to each other.
During the use, the coolant liquid lets in through inlet 10, and partly get into second cooling channel 9, and partly gets into inlet channel 2 to respectively to cooling off electric core from the side and the tip of electric core, and then promote the cooling effect, and the equal integrated design of second cooling channel 9 and first cooling channel is in the inside of water-cooling board 8 and end plate, has saved the design of external pipeline, and then has effectively saved the interior finite space of battery package, has promoted the space utilization of battery package.
It should be noted that, in this embodiment, the number of the plurality of water-cooling plates 8 is at least two, and of course, the number of the cooling plates 8 can be set to match the number of the electric core groups to be cooled actually, so as to ensure that the water-cooling plates 8 are arranged on both sides of the electric core group. For example, when two water-cooling plates 8 are provided, the cooling liquid enters through the liquid inlet of the first water-cooling plate 8 and enters through the liquid inlet channel 2 of the end plate into the liquid inlet of the second water-cooling plate 8, the cooling liquid circulates in the second cooling channel 9 of the second water-cooling plate 8, then is discharged from the liquid outlet 11 and flows through the liquid outlet channel 3 of the end plate to the liquid outlet 11 of the first water-cooling plate, and is discharged from the liquid outlet 11 together with the cooling liquid circulating in the first water-cooling plate, thereby completing the whole cooling process. When setting up three or three above water-cooling board 8 the same thing, the transmission of coolant liquid between the different water-cooling boards 8 can be accomplished through the inlet channel 2 and the liquid outlet channel 3 of the end plate of interval setting between water-cooling board 8 to the realization is to the cooling of electricity core.
It can be seen that, in this embodiment, the coolant liquid mainly circulates in water-cooling plate 8 and end plate, has saved external pipeline's design completely, and water-cooling plate 8 and end plate can also be on the basis of realizing the cooling effect, play the effect of location to the electric core group, consequently, the stability of this water cooling system's design can corresponding promotion module.
In order to stack the condition looks adaptation with electric core, the transport of the coolant liquid of being convenient for simultaneously, the end plate perpendicular to water-cooling board 8 sets up and is located water-cooling board 8 middle part, inlet 10 with liquid outlet 11 corresponds the setting and is in water-cooling board 8 middle part. Of course, the arrangement of the second cooling channels 9 in the water-cooling plate 8 can be chosen as desired, as long as it is ensured that the cooling liquid can flow through the entire water-cooling plate 8 as far as possible in the longitudinal direction of the water-cooling plate 8. In this embodiment, the inside of the second cooling channel 9 is divided into two channels with two communicated ends, so that the cooling liquid enters one channel through the liquid inlet 10, flows to two sides of the water cooling plate 8, enters the other channel through the communicated end part, converges from the two sides to the middle part, and finally flows out from the liquid outlet 11.
In order to better discharge the gas in the first cooling channel and the second cooling channel 9 during the process of introducing the cooling liquid, so as to enable the cooling liquid to be introduced more fully, the liquid inlet 10 is positioned below the liquid outlet 11.
In this embodiment, the design of traditional external water pipe has been saved, and the connection between the cooling channel of water-cooling board 8 and end plate can adopt small-size connecting plug 12 to accomplish, particularly, inlet channel 2 with outlet channel 3's both ends all are provided with and are convenient for connect water-cooling board 8 with the interior recess 13 of the connecting plug 12 installation of end plate, the one end of connecting plug 12 is connected in inlet 10 or liquid outlet 11, and the other end of connecting plug 12 passes interior recess 13 and fixes in cylindrical die cavity 4, from this, can also hide as far as possible between end plate and water-cooling board 8 after connecting plug 12 installation is accomplished, neither influence the arrangement of electric core group, can additionally not occupy the battery package inner space again. It can be understood that, in order to realize that the cooling liquid flows in the second cooling channel and the liquid inlet channel 2 simultaneously after entering along the liquid inlet 10, it may be considered that the two sides of the water cooling plate are both connected with connecting plugs 12 communicated with the liquid inlet 10, the connecting plug 12 on one side is used for introducing the cooling liquid into the second cooling channel 9, and the connecting plug 12 on the other side is used for connecting with the liquid inlet channel 2. The connecting plug 12 at the liquid outlet channel 3 is arranged in the same way, and will not be described in more detail here.
With reference to fig. 5, a third aspect of the present invention provides a battery module, which includes a module frame 14, a plurality of electric core assemblies 15 inside the module frame 14, and a water cooling system according to any of the above schemes, wherein a space for installing the electric core assemblies 15 is defined between the end plate, the water cooling plate 8 and the module frame 14.
In fig. 5, two rows of the electric core assemblies 15 are shown, in practical use, multiple rows can be arranged as required, and in addition, the water cooling plate 8 is not arranged on the other side of one row of the electric core assemblies 15 in fig. 5, so that the water cooling plate 8 can be additionally arranged on the side to improve the cooling effect, and meanwhile, the water cooling plate 8 is arranged on the inner side of the module frame 14 to ensure the cooling effect. The utility model discloses a battery module passes through the design of water cooling system, cools off electric core to the tip and the side from electric core respectively, and then promotes the cooling effect, and the equal integrated design of second cooling channel 9 and first cooling channel is in the inside of water-cooling board 8 and end plate, has saved the design of external pipeline, and then has effectively saved the interior finite space of battery package, has promoted the space utilization of battery package.
With reference to fig. 6-7, a fourth aspect of the present invention provides a battery pack, which includes an upper housing, a lower housing, and a plurality of battery modules according to the above-mentioned embodiments. The battery pack has all the advantages of the battery module by arranging the battery module. Because the cooling pipeline arranged in the traditional battery pack needs to occupy a large space, when the whole vehicle collides in the using process and other accidents, the module or the pipeline in the battery pack is easily extruded, and certain potential safety hazards exist. And the utility model discloses a battery package has then overcome above-mentioned problem completely, not only fixes a position the module through water cooling system, improves the stability of module, has still saved external pipeline design, has saved battery package space, plays the guard action to the module, and then has promoted the security.
Because set up a plurality of battery module in the battery package, will be obstructed by module frame 14 between the adjacent battery module, for the transport of realization coolant liquid between different battery module, it is adjacent the battery module the water-cooling board 8 inlet 10 with all link to each other through connecting stopper 12 between the liquid outlet 11, of course, connecting stopper 12 will pass module frame 14 and realize the connection.
In addition, the battery pack comprises a main water inlet pipe 16 and a main water outlet pipe 17, wherein the main water inlet pipe 16 and the main water outlet pipe 17 are respectively communicated with the liquid inlet 10 and the liquid outlet 11 of the water cooling plate 8 positioned at the end parts. The cooling liquid is intensively introduced through the main water inlet pipe 16, then the cooling liquid sequentially flows through different water cooling plates 3 and end plates, and finally flows back to the main water outlet pipe 17 from the liquid outlet 11 and the liquid outlet channel 3 to flow out, so that the cooling of the battery module can be completed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an end plate, the end plate is used for setting up at electric core tip, its characterized in that, the end plate includes plate body (1), plate body (1) inside is equipped with the first cooling channel who is used for letting in the coolant liquid, first cooling channel includes inlet channel (2) and liquid outlet channel (3), inlet channel (2) with liquid outlet channel (3) all set up to follow the length direction of plate body (1) extends.
2. The end plate according to claim 1, characterized in that a cylindrical cavity (4) is provided inside the plate body (1), said cylindrical cavity (4) forming said first cooling channel.
3. The end plate of claim 2, wherein the plate body (1) is internally partitioned by a partition plate to form a first cavity (5) and a second cavity (6) which are arranged at intervals, the cylindrical cavity (4) is positioned inside the first cavity (5), the first cavity (5) and the cylindrical cavity (4) are connected through a reinforcing rib (7), and the liquid inlet channel (2) and the liquid outlet channel (3) are respectively arranged in different first cavities (5).
4. The utility model provides a water cooling system, its characterized in that, include a plurality of water-cooling boards (8) that are located electric core side of parallel arrangement and be used for connecting the adjacent water-cooling board (8) a plurality of claims 1-3 any one of end plate, water-cooling board (8) inside is equipped with second cooling channel (9), be equipped with on water-cooling board (8) with inlet (10) and liquid outlet (11) that second cooling channel (9) are linked together, every inlet channel (2) of end plate respectively with adjacent inlet (10) of water-cooling board (8) link to each other, every outlet channel (3) of end plate respectively with adjacent liquid outlet (11) of water-cooling board (8) link to each other.
5. The water cooling system according to claim 4, wherein the end plate is perpendicular to the water cooling plate (8) and located in the middle of the water cooling plate (8), and the liquid inlet (10) and the liquid outlet (11) are correspondingly located in the middle of the water cooling plate (8).
6. The water cooling system according to claim 4, wherein the liquid inlet (10) is located below the liquid outlet (11); and/or
The liquid inlet channel (2) and the liquid outlet channel (3) are provided with inner concave parts (13) which are convenient for connecting the water cooling plate (8) and the connecting plug (12) of the end plate.
7. A battery module, characterized by comprising a module frame (14) and a plurality of electric core packs (15) inside the module frame (14) and the water cooling system of any one of claims 4 to 6, wherein a space for installing the electric core packs (15) is defined between the end plates, the water cooling plates (8) and the module frame (14).
8. A battery pack comprising an upper case, a lower case, and a plurality of battery modules according to claim 7.
9. The battery pack according to claim 8, wherein the liquid inlet (10) and the liquid outlet (11) of the water-cooling plate (8) of the adjacent battery module are connected by a connecting plug.
10. The battery pack according to claim 8, wherein the battery pack comprises a main water inlet pipe (16) and a main water outlet pipe (17), the main water inlet pipe (16) and the main water outlet pipe (17) being in communication with the liquid inlet (10) and the liquid outlet (11) of the water-cooled plate (8) at the ends, respectively.
CN201921663063.XU 2019-09-30 2019-09-30 End plate, water cooling system, battery module and battery package Active CN210200917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921663063.XU CN210200917U (en) 2019-09-30 2019-09-30 End plate, water cooling system, battery module and battery package

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921663063.XU CN210200917U (en) 2019-09-30 2019-09-30 End plate, water cooling system, battery module and battery package

Publications (1)

Publication Number Publication Date
CN210200917U true CN210200917U (en) 2020-03-27

Family

ID=69879039

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921663063.XU Active CN210200917U (en) 2019-09-30 2019-09-30 End plate, water cooling system, battery module and battery package

Country Status (1)

Country Link
CN (1) CN210200917U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111952692A (en) * 2020-08-10 2020-11-17 安徽新富新能源科技有限公司 Automobile battery pack temperature balance control system and control method thereof
DE102020204584A1 (en) 2020-04-09 2021-10-14 Mahle International Gmbh Battery for a battery-operated motor vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020204584A1 (en) 2020-04-09 2021-10-14 Mahle International Gmbh Battery for a battery-operated motor vehicle
CN113540611A (en) * 2020-04-09 2021-10-22 马勒国际有限公司 Battery for a battery-powered motor vehicle
CN111952692A (en) * 2020-08-10 2020-11-17 安徽新富新能源科技有限公司 Automobile battery pack temperature balance control system and control method thereof

Similar Documents

Publication Publication Date Title
CN210200917U (en) End plate, water cooling system, battery module and battery package
CN106207042B (en) Battery module and car
CN212659610U (en) Battery module, battery package and vehicle
CN112510300B (en) Modularized liquid-cooled battery system
CN106450059A (en) Battery module
CN115966808A (en) Integrated side liquid cooling battery pack and electric automobile
CN210926234U (en) Square lithium battery module and battery module system
CN116345017A (en) Power battery system and new energy automobile
CN114421086B (en) Automobile power lithium ion battery module structure
CN207368166U (en) A kind of battery modules radiator structure
CN216872163U (en) Box, battery and power consumption device
CN215578708U (en) Battery structure and electric automobile
CN214336852U (en) Busbar support and battery module
WO2022144657A1 (en) Battery pack and vehicle
CN209747598U (en) Power battery structure
CN209169227U (en) Battery pack and vehicle
CN219498078U (en) Battery pack
CN220021279U (en) Liquid cooling device, battery pack and terminal equipment
CN210430034U (en) Air inlet structure of air-cooled battery pack and air-cooled battery pack
CN215070275U (en) Power battery of vehicle and vehicle
CN214957121U (en) Power battery pack
CN215578726U (en) End plate for battery module, battery core cooling structure and battery module
CN221176456U (en) Battery pack and vehicle
CN210430033U (en) Air-cooled battery package and electric automobile
CN218472077U (en) Cooling plate assembly, battery package and vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant