CN214589057U - Structure for improving energy density of battery pack - Google Patents
Structure for improving energy density of battery pack Download PDFInfo
- Publication number
- CN214589057U CN214589057U CN202120129739.8U CN202120129739U CN214589057U CN 214589057 U CN214589057 U CN 214589057U CN 202120129739 U CN202120129739 U CN 202120129739U CN 214589057 U CN214589057 U CN 214589057U
- Authority
- CN
- China
- Prior art keywords
- battery cell
- battery
- nickel sheet
- energy density
- battery pack
- 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
Links
Images
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a structure for improving energy density of a battery pack, which comprises a bracket main body and battery cell placing through holes uniformly arranged on the bracket main body, wherein battery cells are arranged in the battery cell placing through holes; an upper nickel sheet and a lower nickel sheet are arranged at two ends of the battery cell, and insulating sheets are arranged on the outer sides of the upper nickel sheet and the lower nickel sheet; the insulating piece sets up in the outside of last nickel piece and lower nickel piece through the bolt fastening who runs through support main part. The utility model discloses a fixed mode of single support, greatly reduced the whole quality of group battery, simultaneously through protection post and the special position setting of fixed column, very big utilization limited space carry out the fixed of group battery, great improvement the electric energy storage density in the unit quality of group battery, greatly reduced the operation car weight of whole vehicle, and then improve farther user mileage of traveling.
Description
Technical Field
The utility model relates to a lithium cell technical field especially involves a structure of improving group battery energy density.
Background
With the progress and development of society, the intellectualization in the aspects of storage, family, trip and the like, the diversification of mobile consumer electronic products, and the adoption of batteries as clean energy providers, the batteries are more and more popular and favored by consumers and become an indispensable part of electronic products.
In the application process, the battery is used as an output end of energy, the mass of the battery pack in unit volume is reduced, the electric quantity in unit mass is improved, weight reduction is provided for the running time of the whole machine, the battery pack is an effective form for improving vehicle running, more secure service is provided for users in the use process, the user acceptance is improved, and the battery pack becomes a significant research subject. In the prior art, two supports are usually adopted to fix the cylindrical battery, so that the weight in unit volume is relatively high, the weight of the battery pack is increased, and the energy density of the battery pack is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide a stable in structure, the high structure that improves group battery energy density of group battery energy density.
The utility model discloses a realize through following mode:
a structure for improving the energy density of a battery pack comprises a bracket main body and battery cell placing through holes which are uniformly arranged on the bracket main body, wherein battery cells are arranged in the battery cell placing through holes; an upper nickel sheet and a lower nickel sheet are arranged at two ends of the battery cell, and insulating sheets are arranged on the outer sides of the upper nickel sheet and the lower nickel sheet; the insulating piece sets up in the outside of last nickel piece and lower nickel piece through the bolt fastening who runs through support main part, its characterized in that: the support main body comprises a support frame and a plurality of protection columns uniformly arranged at two ends of the support frame; the battery cell placing through holes are uniformly formed in the support frame; the battery cell placing through hole is a circular through hole matched with the battery cell; the protective columns are arranged on the periphery of the supporting frame; a geometric figure formed by the contact surface of the protective column and the support frame is at least tangent to the outer side of one battery cell placing through hole; a plurality of fixing columns are formed in the middle of the supporting frame in an extending mode towards the two ends; the center of the fixing column is provided with a through hole.
Furthermore, the outer side of the protection column is longitudinally provided with a limit groove.
Furthermore, one side of the upper nickel sheet and one side of the lower nickel sheet are provided with bending sheets.
Furthermore, a positioning height limiting column is arranged at the top of the protection column; and the corresponding positions on the insulating sheet, the upper nickel sheet and the lower nickel sheet are provided with positioning holes matched with the positioning height-limiting columns.
Furthermore, the outer side surface of the positioning height limiting column is flush with the outer side surface of the insulating sheet.
Furthermore, the sum of the heights of the support frame and the protection posts arranged at the two ends of the support frame is equal to the height of the battery cell.
Furthermore, the geometric figure formed by the contact surfaces of the protection column and the support frame is tangent to the outer sides of the two adjacent battery cell placing through holes.
Furthermore, the circle formed by the contact surfaces of the fixing column and the supporting frame is tangent to the outer sides of the four battery cell placing through holes.
Further, the bolt comprises a screw and a nut; and the screw rod penetrates through corresponding through holes and through holes on the insulating sheet, the upper nickel sheet and the lower nickel sheet to be fixedly connected with the bottommost nut.
Furthermore, highland barley paper is installed on the positive end face of the battery cell.
The beneficial effects of the utility model reside in that: through the fixed mode of single support, greatly reduced the whole quality of group battery, simultaneously through the special position setting of guard post and fixed column, very big utilization limited space carry out the fixed of group battery, great improvement the electric energy storage density in the unit quality of group battery, greatly reduced the operation car weight of complete machine vehicle, and then improve farther user mileage of traveling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic view of the main structure of the bracket of the present invention;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1-2, a structure for improving energy density of a battery pack includes a support main body 1 and battery cell placement through holes 11 uniformly arranged on the support main body 1, wherein battery cells 2 are arranged in the battery cell placement through holes 11; an upper nickel sheet 4 and a lower nickel sheet 5 are arranged at two ends of the electric core 2, and insulating sheets 6 are arranged on the outer sides of the upper nickel sheet 4 and the lower nickel sheet 5; insulating piece 6 sets up in the outside of last nickel piece 4 and lower nickel piece 5 through the bolt fastening who runs through support main part 1, its characterized in that: the support main body 1 comprises a support frame 12 and a plurality of protection columns 13 uniformly arranged at two ends of the support frame 12; the battery cell placing through holes 11 are uniformly formed in the support frame 12; the battery cell placing through hole 11 is a circular through hole matched with the battery cell 2; the protective columns 13 are arranged on the periphery of the support frame 12; the geometric figure formed by the contact surface of the protective column 13 and the support frame 12 is at least tangent to the outer side of one battery cell placing through hole 11; a plurality of fixing columns 3 are formed in the middle of the supporting frame 12 in an extending manner towards the two ends; a through hole 31 is arranged in the center of the fixing column 3.
In an embodiment of the present invention, the outer side of the protection pillar 13 is vertically provided with a limiting groove 14.
In an embodiment of the present invention, a bending piece 9 is disposed on one side of the upper nickel plate 4 and the lower nickel plate 5.
In an embodiment of the present invention, a positioning height-limiting column 15 is disposed at the top of the protection column 13; the corresponding positions of the insulating sheet 6, the upper nickel sheet 4 and the lower nickel sheet 5 are provided with positioning holes matched with the positioning height-limiting columns 15.
In an embodiment of the present invention, the outer side surface of the positioning height limiting column 15 is flush with the outer side surface of the insulating sheet.
In an embodiment of the present invention, the sum of the heights of the protection pillars 13 disposed at the two ends of the support frame 12 and the support frame 12 is equal to the height of the battery cell 2.
In an embodiment of the present invention, the geometric figure formed by the contact surfaces of the protection column 13 and the support frame 12 is tangent to the outside of the two adjacent electric cores placing through holes 11.
In an embodiment of the present invention, the circle formed by the contact surfaces of the fixing column 3 and the supporting frame 12 is tangent to the outside of the four electrical cores placing through holes 11.
In an embodiment of the present invention, the bolt includes a screw rod 7 and a nut 8; and the screw 7 passes through corresponding through holes and through holes 31 on the insulating sheet 6, the upper nickel sheet 4 and the lower nickel sheet 5 to be fixedly connected with the bottommost nut 8.
In an embodiment of the utility model, the highland barley paper is installed to the anodal terminal surface of electricity core 2.
The utility model discloses a fixed mode of single support, greatly reduced the whole quality of group battery, simultaneously through protection post and the special position setting of fixed column, very big utilization limited space carry out the fixed of group battery, great improvement the electric energy storage density in the unit quality of group battery, greatly reduced the operation car weight of whole vehicle, and then improve farther user mileage of traveling.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A structure for improving energy density of a battery pack comprises a support main body (1) and battery cell placing through holes (11) which are uniformly arranged on the support main body (1), wherein battery cells (2) are arranged in the battery cell placing through holes (11); an upper nickel sheet (4) and a lower nickel sheet (5) are arranged at two ends of the battery core (2), and insulating sheets (6) are arranged on the outer sides of the upper nickel sheet (4) and the lower nickel sheet (5); insulating piece (6) set up the outside at last nickel piece (4) and lower nickel piece (5) through the bolt fastening who runs through support main part (1), its characterized in that: the support main body (1) comprises a support frame (12) and a plurality of protection columns (13) which are uniformly arranged at two ends of the support frame (12); the battery cell placing through holes (11) are uniformly formed in the support frame (12); the battery cell placing through hole (11) is a circular through hole matched with the battery cell (2); the protective columns (13) are arranged on the periphery of the support frame (12); the geometric figure formed by the contact surfaces of the protective columns (13) and the support frame (12) is at least tangent to the outer side of one battery cell placing through hole (11); a plurality of fixing columns (3) are formed in the middle of the supporting frame (12) in an extending way towards the two ends; a through hole (31) is formed in the center of the fixing column (3).
2. The structure for increasing energy density of a battery pack according to claim 1, wherein: and a limiting groove (14) is longitudinally arranged on the outer side of the protective column (13).
3. The structure for increasing energy density of a battery pack according to claim 1, wherein: and one sides of the upper nickel sheet (4) and the lower nickel sheet (5) are provided with bending sheets (9).
4. The structure for increasing energy density of a battery pack according to claim 1, wherein: the top of the protective column (13) is provided with a positioning height-limiting column (15); the corresponding positions on the insulating sheet (6), the upper nickel sheet (4) and the lower nickel sheet (5) are provided with positioning holes matched with the positioning height-limiting columns (15).
5. The structure for increasing the energy density of a battery pack according to claim 4, wherein: the outer side surface of the positioning height limiting column (15) is flush with the outer side surface of the insulating sheet (6).
6. The structure for increasing energy density of a battery pack according to claim 1, wherein: the sum of the heights of the support frame (12) and the protection columns (13) arranged at the two ends of the support frame (12) is equal to the height of the battery cell (2).
7. The structure for increasing energy density of a battery pack according to claim 1, wherein: the geometric figure formed by the contact surfaces of the protective columns (13) and the support frame (12) is tangent to the outer sides of the two adjacent battery cell placing through holes (11).
8. The structure for increasing energy density of a battery pack according to claim 1, wherein: the circle formed by the contact surfaces of the fixing column (3) and the support frame (12) is tangent to the outer sides of the four battery cell placing through holes (11).
9. The structure for increasing energy density of a battery pack according to claim 1, wherein: the bolt comprises a screw rod (7) and a nut (8); the screw rod (7) penetrates through corresponding through holes and through holes (31) in the insulating sheet (6), the upper nickel sheet (4) and the lower nickel sheet (5) and is fixedly connected with the bottommost nut (8).
10. The structure for increasing energy density of a battery pack according to claim 1, wherein: and highland barley paper is arranged on the end face of the positive electrode of the battery cell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129739.8U CN214589057U (en) | 2021-01-18 | 2021-01-18 | Structure for improving energy density of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129739.8U CN214589057U (en) | 2021-01-18 | 2021-01-18 | Structure for improving energy density of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589057U true CN214589057U (en) | 2021-11-02 |
Family
ID=78369260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120129739.8U Active CN214589057U (en) | 2021-01-18 | 2021-01-18 | Structure for improving energy density of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589057U (en) |
-
2021
- 2021-01-18 CN CN202120129739.8U patent/CN214589057U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214176188U (en) | Lithium battery module | |
| CN215731862U (en) | Lithium ion battery module of integrated BMS and battery pack thereof | |
| US20060216595A1 (en) | Battery assembly having improved lug profile | |
| CN214589057U (en) | Structure for improving energy density of battery pack | |
| CN112751122A (en) | Structure for improving energy density of battery pack | |
| CN219066992U (en) | Cylindrical battery combined cover plate | |
| CN215299453U (en) | Structure for improving universality and safety of bus bar | |
| CN212967797U (en) | Lead-acid storage battery and electric vehicle | |
| CN115051122A (en) | Battery with a battery cell | |
| CN114597556A (en) | Sodium ion electricity core aluminum hull apron | |
| CN205231144U (en) | Integrated positioning frame of lithium ion battery group | |
| CN219303865U (en) | Battery pack module of electric motorcycle | |
| CN214706113U (en) | Experimental battery pack structure with changeable configuration | |
| CN214280138U (en) | Reliable support structure for radial fixation of cylindrical battery cell | |
| CN214706168U (en) | Structure for improving space utilization rate of module | |
| CN117154307A (en) | Lithium battery cell and have its lithium battery group, electric bicycle | |
| CN215911547U (en) | Novel series-parallel connection structure of battery pack | |
| CN217589344U (en) | Battery with a battery cell | |
| CN220492139U (en) | Battery, battery pack and electricity utilization device | |
| CN218101586U (en) | Battery module capable of absorbing tolerance and ensuring vertical positioning of battery core | |
| CN218783200U (en) | Electricity core subassembly and battery package | |
| CN220963565U (en) | Integrated energy storage power supply | |
| CN204130609U (en) | A kind of vehicle-mounted startup power supply | |
| CN212085122U (en) | Structure for effectively improving space utilization rate of battery module | |
| CN220368104U (en) | Battery cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |