CN217655990U - High strength lithium cell group fixed knot constructs - Google Patents

High strength lithium cell group fixed knot constructs Download PDF

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Publication number
CN217655990U
CN217655990U CN202220400088.6U CN202220400088U CN217655990U CN 217655990 U CN217655990 U CN 217655990U CN 202220400088 U CN202220400088 U CN 202220400088U CN 217655990 U CN217655990 U CN 217655990U
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China
Prior art keywords
battery
battery pack
lower cover
cover
cell
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CN202220400088.6U
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Chinese (zh)
Inventor
冯礼健
吴广
唐文兵
刘盼
翁兴球
叶国华
张志平
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Guangdong Greenway Technology Co Ltd
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Guangdong Greenway Technology Co Ltd
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    • 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

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Abstract

The utility model provides a high strength lithium cell group fixed knot constructs, include: the group battery comprises several electric core modules, has seted up the several on the electric core module and has connected the hole site, and wear to be equipped with the screw rod in the connection hole site, and be connected several electric core modules through the screw rod; the battery pack is fixedly arranged in the battery lower cover; the battery upper cover is matched with the battery lower cover; BMS subassembly, locate inside the battery lower cover, and cooperate the installation with the group battery, the utility model discloses a screw rod cooperation locking screw is connected several electric core module and is locked, and single electric core module passes through several self tapping screw fixed mounting in the battery lower cover, and the group battery atress is balanced, and the wholeness is better, and through plastic integrated into one piece's battery upper cover and battery lower cover, cooperates the electric core support that buffering subassembly and fire resistive material made, this purpose of overall design safety in utilization around the group battery, protects layer upon layer, the effectual structural strength who guarantees the group battery.

Description

High strength lithium cell group fixed knot constructs
Technical Field
The utility model relates to a new forms of energy power battery technical field, concretely relates to high strength lithium cell group fixed knot constructs.
Background
With the development and application of lithium ion power batteries, lithium batteries are closely related to work and life of people, particularly, more and more electric vehicles adopt rechargeable lithium ion batteries, the energy density of the lithium ion batteries is high, and the components of the lithium ion batteries are active, so that the safety and the reliability of the lithium ion batteries are important.
At present, the safety requirements on the battery are not perfect, and the standards adopted in the industry are not consistent;
at present, a considerable part of batteries in the market adopt a universal shell and an assembling support, even the batteries are not provided with the support and only packaged with a sleeve for a battery pack, the support and the limit between the battery pack and the shell are basically filled with EVA (ethylene vinyl acetate) or viscose, the structure can not adapt to the use working conditions of severe bumping impact and the like, and can not resist destructive impact and extrusion.
Because the vehicle can not avoid jolting and vibrating when running on the road surface under various working conditions, the battery can also be impacted by strong force even when accidents such as collision occur, and the battery can be extruded if the vehicle is deformed. Consequently, a battery fixing and locking structure is provided for solve the destructive problem of operating mode to the lithium cell among the in-service use environment, the safety in utilization of lithium cell is the focus of importance, provides a high strength lithium cell group fixed knot structure here.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provide a high strength lithium cell group fixed knot constructs.
The technical scheme of the utility model as follows:
a high-strength lithium battery pack fixing structure includes:
the battery pack is used as a core component and used for providing electric power energy, and consists of a plurality of battery cell modules, wherein the battery cell modules are provided with a plurality of connecting hole sites, screw rods penetrate through the connecting hole sites, and the battery cell modules are connected through the screw rods;
the battery lower cover is used for fixedly supporting and protecting the battery pack and preventing foreign matters from entering the interior of a battery pack structure, and the battery pack is fixedly arranged in the battery lower cover;
the battery upper cover is used for fixedly supporting the battery pack and providing external protection, and the battery upper cover and the battery lower cover are installed in a matched mode;
BMS subassembly for control the group battery charge-discharge and detect each item parameter in the group battery use, the BMS subassembly is located inside the battery lower cover, and with the group battery cooperation installation.
The utility model discloses in, the screw rod end still cooperatees with the lock nut of the same quantity of several, through the screw rod and lock nut is with the several electric core module fixed connection.
The utility model discloses in, electricity core module both ends are equipped with several assembly fixed position, and are located battery lower cover inner wall corresponds be equipped with several assembly hole site on the assembly fixed position to cooperate through several screw assembly fixed position and assembly hole site, fixed connection electricity core module and the battery lower cover.
The utility model discloses in, electric core module includes a set of matched with electric core support, be equipped with fixed mounting between electric core support and have electric core, just electric core support wholly adopts fire resistive material to make.
Furthermore, bus bars are further arranged on two sides of the battery cell support and welded with the battery cells, and the bus bars are used for series-parallel connection between the battery cells.
Furthermore, a group of insulating fiber boards is arranged outside the battery cell support and used for isolating the positive electrode and the negative electrode of the battery cell and realizing an insulating effect.
The utility model discloses in, battery upper cover inboard is equipped with several installation hole site, just is in be equipped with the installation hole site of the same quantity on the inboard corresponding position of battery lower cover to through several screw fixed mounting the battery upper cover and the battery lower cover.
In this embodiment, a buffer assembly is further disposed between the battery pack and the battery lower cover and between the battery upper cover and the battery lower cover.
Further, the buffer assembly adopts a rubber pad for absorbing shock and impact from the outside and protecting the battery pack.
The utility model discloses in, the battery lower cover and the battery upper cover all adopts plastic integrated into one piece that moulds plastics, and is located the battery lower cover and the equipartition is equipped with the strengthening rib in the battery upper cover.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a screw rod cooperation locking screw is connected several electricity core module and is locked, and single electricity core module passes through several self tapping screw fixed mounting in the battery lower cover, and the group battery atress is balanced, and the wholeness is better, and through plastic integrated into one piece's battery upper cover and battery lower cover, the electric core support that cooperation buffering subassembly and fire resistive material made, this purpose of global design around group battery safety in utilization, protect layer upon layer, the effectual structural strength who guarantees the group battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an explosion diagram of a high-strength lithium battery pack fixing structure provided by the present invention;
fig. 2 is an exploded view of the cell module.
The reference numerals are explained below:
1. a battery cell module; 11. connecting hole sites; 12. assembling and fixing positions; 13. a battery cell bracket; 14. an electric core; 15. A bus bar; 16. an insulating fiberboard; 2. a screw; 21. locking screws; 3. a battery lower cover; 31. assembling hole sites; 4. an upper cover of the battery; 5. a BMS component; 6. a screw; 7. a buffer assembly.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
Example 1
Referring to fig. 1 to fig. 2, a high-strength lithium battery pack fixing structure provided in the present embodiment includes:
the battery pack is used as a core component and used for providing electric power energy, the battery pack is composed of a plurality of battery cell modules 1, a plurality of connecting hole positions 11 are formed in the battery cell modules 1, screw rods 2 penetrate through the connecting hole positions 11, and the battery cell modules 1 are connected through the screw rods 2;
the battery lower cover 3 is used for fixedly supporting and protecting the battery pack and preventing foreign matters from entering the interior of the battery pack structure, and the battery pack is fixedly arranged in the battery lower cover 3;
the battery upper cover 4 is used for fixedly supporting the battery pack and providing external protection, and the battery upper cover 4 is matched with the battery lower cover 3;
BMS subassembly 5 for control group battery charge-discharge and detect each item parameter in the group battery use, inside BMS subassembly 5 locates battery lower cover 3, and with the group battery cooperation installation.
In this embodiment, the terminal of the screw rod 2 is further matched with a plurality of lock nuts 21 with the same quantity, and the plurality of cell modules 1 are fixedly connected through the screw rod 2 and the lock nuts 21.
In this embodiment, the two ends of the battery core module 1 are provided with a plurality of assembling fixing positions 12, the inner wall of the battery lower cover 3 is provided with a plurality of assembling hole positions 31 corresponding to the assembling fixing positions 12, and the assembling fixing positions 12 and the assembling hole positions 31 are matched through a plurality of screws 6 to fixedly connect the battery core module 1 and the battery lower cover 3.
In this embodiment, electric core module 1 includes a set of matched with electric core support 13, is equipped with fixed mounting between electric core support 13 and has electric core 14, and electric core support 13 wholly adopts fire resistive material to make.
Further, bus bars 15 are further arranged on two sides of the battery cell support 13, and the bus bars 15 are welded with the battery cells 14 and used for series-parallel connection among the battery cells 14.
Furthermore, a group of insulating fiber plates 16 is further disposed outside the battery cell support 13, and is used for isolating the positive electrode and the negative electrode of the battery cell 14, so as to achieve an insulating effect.
In this embodiment, a plurality of mounting holes are disposed on the inner side of the upper battery cover 4, and the same number of mounting holes are disposed on the inner side of the lower battery cover 3, and the upper battery cover 4 and the lower battery cover 3 are fixed by a plurality of screws.
In the present embodiment, a buffer assembly 7 is further disposed between the battery pack and the lower battery cover 3 and the upper battery cover 4.
Further, the buffer unit 7 is a rubber pad for absorbing shock and impact from the outside and protecting the battery pack.
In this embodiment, the battery lower cover 3 and the battery upper cover 4 are both formed by plastic injection molding, and reinforcing ribs are uniformly distributed in the battery lower cover 3 and the battery upper cover 4.
Example 2
The high strength lithium cell group fixed knot that this embodiment provided constructs includes:
the battery pack is used as a core component and used for providing electric power energy, the battery pack is composed of a plurality of battery cell modules 1, a plurality of connecting hole positions 11 are formed in the battery cell modules 1, screw rods 2 penetrate through the connecting hole positions 11, and the battery cell modules 1 are connected through the screw rods 2;
the battery lower cover 3 is used for fixedly supporting and protecting the battery pack and preventing foreign matters from entering the interior of the battery pack structure, and the battery pack is fixedly arranged in the battery lower cover 3;
the battery upper cover 4 is used for fixedly supporting the battery pack and providing external protection, and the battery upper cover 4 is matched with the battery lower cover 3;
BMS subassembly 5 for control group battery charge-discharge and detect each item parameter in the group battery use, inside BMS subassembly 5 locates battery lower cover 3, and with the group battery cooperation installation.
In this embodiment, the end of the screw rod 2 is also matched with a plurality of lock nuts 21 with the same number, and the plurality of battery cell modules 1 are fixedly connected through the screw rod 2 and the lock nuts 21.
In this embodiment, the two ends of the battery core module 1 are provided with a plurality of assembling fixing positions 12, the inner wall of the battery lower cover 3 is provided with a plurality of assembling hole positions 31 corresponding to the assembling fixing positions 12, and the assembling fixing positions 12 and the assembling hole positions 31 are matched through a plurality of screws 6 to fixedly connect the battery core module 1 and the battery lower cover 3.
In this embodiment, electric core module 1 includes a set of matched with electric core support 13, is equipped with fixed mounting between electric core support 13 and has electric core 14, and electric core support 13 wholly adopts fire resistive material to make.
Further, bus bars 15 are further arranged on two sides of the battery cell support 13, and the bus bars 15 are welded with the battery cells 14 and used for series-parallel connection among the battery cells 14.
Furthermore, a group of insulating fiber plates 16 is further disposed outside the battery cell support 13, and is used for isolating the positive electrode and the negative electrode of the battery cell 14, so as to achieve an insulating effect.
In this embodiment, a plurality of mounting holes are disposed on the inner side of the upper battery cover 4, and the same number of mounting holes are disposed on the corresponding positions on the inner side of the lower battery cover 3, and the upper battery cover 4 and the lower battery cover 3 are fixedly mounted by a plurality of screws.
In the present embodiment, a buffer assembly 7 is further disposed between the battery pack and the lower battery cover 3 and the upper battery cover 4.
Further, the buffer unit 7 is made of a rubber pad for absorbing shock and impact from the outside and protecting the battery pack.
In this embodiment, the battery lower cover 3 and the battery upper cover 4 are both formed by plastic injection molding, and reinforcing ribs are uniformly distributed in the battery lower cover 3 and the battery upper cover 4.
In the present embodiment, the number of the screws 2 is 8, and correspondingly, the number of the locking screws 21 is 8.
In this embodiment, the lower battery cover 3 and the upper battery cover 4 are integrally formed by injection molding of 60 ° shore plastic.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terms used are words of description and illustration, rather than words of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. The utility model provides a high strength lithium cell group fixed knot constructs which characterized in that includes:
the battery pack is used as a core component and used for providing electric energy, and consists of a plurality of battery cell modules, wherein the battery cell modules are provided with a plurality of connecting hole sites, screw rods penetrate through the connecting hole sites, and the battery cell modules are connected through the screw rods;
the battery lower cover is used for fixedly supporting and protecting the battery pack and preventing foreign matters from entering the interior of a battery pack structure, and the battery pack is fixedly arranged in the battery lower cover;
the battery upper cover is used for fixedly supporting the battery pack and providing external protection, and the battery upper cover and the battery lower cover are installed in a matched mode;
and the BMS component is used for controlling the charging and discharging of the battery pack and detecting various parameters in the using process of the battery pack, is arranged in the lower battery cover and is matched and installed with the battery pack.
2. The high-strength lithium battery pack fixing structure according to claim 1, wherein the screw rod end is further matched with a plurality of lock nuts with the same number, and the plurality of battery cell modules are fixedly connected through the screw rod and the lock nuts.
3. The structure of claim 1, wherein a plurality of assembling fixing positions are disposed at two ends of the cell module, a plurality of assembling holes are disposed on the inner wall of the lower cover corresponding to the assembling fixing positions, and a plurality of screws are engaged with the assembling fixing positions and the assembling holes to fixedly connect the cell module and the lower cover.
4. The high-strength lithium battery pack fixing structure according to claim 1, wherein the cell module comprises a set of cell supports, and a cell is fixedly mounted between the cell supports.
5. The high-strength lithium battery pack fixing structure according to claim 4, wherein bus bars are further arranged on two sides of the cell support, and the bus bars are welded to the cells and used for series-parallel connection between the cells.
6. The high-strength lithium battery pack fixing structure according to claim 4, wherein a group of insulating fiber boards are further arranged outside the cell support and used for isolating the positive electrode and the negative electrode of the cell to realize an insulating effect.
7. The structure of claim 1, wherein a plurality of mounting holes are formed on an inner side of the upper cover, and a same number of mounting holes are formed on corresponding positions on an inner side of the lower cover, and the upper cover and the lower cover are fixed by screws.
8. The high-strength lithium battery pack fixing structure according to claim 1, wherein buffer assemblies are further disposed between the battery pack and the battery lower cover and between the battery pack and the battery upper cover.
9. The structure of claim 8, wherein the buffer assembly is a rubber pad for absorbing shock and impact from outside and protecting the battery pack.
10. The high-strength lithium battery pack fixing structure according to claim 1, wherein the lower battery cover and the upper battery cover are integrally formed by plastic injection molding, and reinforcing ribs are uniformly distributed in the lower battery cover and the upper battery cover.
CN202220400088.6U 2022-02-24 2022-02-24 High strength lithium cell group fixed knot constructs Active CN217655990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220400088.6U CN217655990U (en) 2022-02-24 2022-02-24 High strength lithium cell group fixed knot constructs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220400088.6U CN217655990U (en) 2022-02-24 2022-02-24 High strength lithium cell group fixed knot constructs

Publications (1)

Publication Number Publication Date
CN217655990U true CN217655990U (en) 2022-10-25

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ID=83662131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220400088.6U Active CN217655990U (en) 2022-02-24 2022-02-24 High strength lithium cell group fixed knot constructs

Country Status (1)

Country Link
CN (1) CN217655990U (en)

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