CN215418442U - Non-module type battery structure - Google Patents
Non-module type battery structure Download PDFInfo
- Publication number
- CN215418442U CN215418442U CN202120314238.7U CN202120314238U CN215418442U CN 215418442 U CN215418442 U CN 215418442U CN 202120314238 U CN202120314238 U CN 202120314238U CN 215418442 U CN215418442 U CN 215418442U
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- Prior art keywords
- battery
- battery pack
- accommodating cavity
- disposed
- module
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- 238000003825 pressing Methods 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000004417 polycarbonate Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a non-module type battery structure, which comprises a battery pack, a battery box body, a pressing strip and a battery box cover, wherein the battery pack comprises a plurality of sequentially arranged battery cells; the battery box body is provided with an accommodating cavity for accommodating the battery pack, the inner side wall of the accommodating cavity is used for abutting against the outer side wall of the battery pack, and the side wall of the accommodating cavity of the battery box body is provided with a support frame; the pressing strip is connected with the supporting frame, and the bottom surface of the pressing strip is used for being abutted against the top end of the battery pack; the battery box cover is used for closing the accommodating cavity. The battery pack is fixed in the battery box body through the pressing strip, so that the purpose of saving a module assembly structure is achieved, the types of assembly parts of the module-free battery structure are reduced through the design, the assembly process is simplified, and the disassembly and assembly working hours and cost are reduced.
Description
Technical Field
The utility model relates to the field of structural design of power battery packs, in particular to a non-module type battery structure.
Background
The battery pack is an energy storage component commonly used in modern society, and is mainly applied to electric automobiles, energy storage stations and various electric tools.
In the prior art, a battery pack is generally assembled by assembling battery cells into a module, and then the module is installed in the battery pack, so that a three-stage assembly mode of battery cell-module-battery pack is formed. And from electric core to the equipment of module need use fasteners such as end plate, curb plate and be used for fixing the screw of module, and the structure is complicated, complex operation. Specifically, after the electric cores are stacked together to form the battery pack, the end plates and the side plates need to be wound around the electric core pack, and then the end plates, the side plates and the electric cores are assembled and fixed through various fasteners. The battery assembly structure has various materials, complex assembly process, high assembly and disassembly time and high cost, and is not beneficial to reducing the manufacturing cost of the battery pack and the difficulty of assembly, disassembly and maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a non-module battery structure which is simple in structure, convenient to disassemble and assemble and low in production cost.
The purpose of the utility model is realized by the following technical scheme:
a non-module type battery structure comprises a battery pack, a battery box body, a pressing bar and a battery box cover, wherein the battery pack comprises a plurality of sequentially arranged battery cells; the battery box body is provided with an accommodating cavity, the accommodating cavity is used for accommodating the battery pack, the inner wall of the accommodating cavity is used for abutting against the outer side wall of the battery pack, and a support frame is arranged on the side wall of the accommodating cavity of the battery box body; the pressing strip is connected with the supporting frame, and the bottom surface of the pressing strip is used for being abutted against the top end of the battery pack; the battery box cover is used for closing the accommodating cavity.
In one embodiment, the number of the supporting frames is two, the two supporting frames are respectively arranged on two opposite sides of the accommodating cavity, the pressing strip comprises a body and fixing parts arranged on two sides of the body, the two fixing parts are used for being connected with the two supporting frames in a one-to-one correspondence mode, one surface, close to the battery pack, of the body is provided with a side limiting part, and the side limiting part is used for being abutted to the side wall of the battery pack.
In one embodiment, the battery box further comprises a side wall insulation sheet, and the side wall insulation sheet is arranged on the inner side wall of the accommodating cavity.
In one embodiment, the battery pack further comprises a silica gel pad, and the silica gel pad is arranged around the outer side face of the battery pack.
In one embodiment, the battery pack further includes an aluminum bar disposed at a top end of the battery pack, and the aluminum bar is used for electrically connecting the battery cells.
In one embodiment, the battery pack further comprises a PC film, the PC film is disposed at the top end of the battery pack, one surface of the PC film is used for being pasted with the battery pack, and the other surface of the PC film is used for being pasted with the aluminum bar.
In one embodiment, the non-module type battery structure further comprises a top cover insulating sheet, and the top cover insulating sheet is arranged on one surface, close to the battery box body, of the battery box cover.
In one embodiment, the battery structure without the module further comprises a BMS module, the battery case further comprises a receiving cavity located at a side of the receiving cavity, the receiving cavity is used for receiving the BMS module, and the BMS module is electrically connected to the battery pack.
In one embodiment, the module-less battery structure further comprises a terminal, a handle and a front panel, the front panel is provided with the handle, the terminal is arranged on the front panel, the terminal is electrically connected with the BMS module, one side of the accommodating cavity far away from the accommodating cavity is provided with a disassembly opening, and the front panel is used for closing the disassembly opening.
In one embodiment, two end parts of the support frame are respectively connected with two opposite side walls of the accommodating cavity in a one-to-one correspondence manner.
Compared with the prior art, the utility model has at least the following advantages:
1. the non-module type battery structure is provided with the battery pack, the battery box body, the pressing strip and the battery box cover, the battery pack is accommodated in the accommodating cavity of the battery box body, the fixing part on the pressing strip is connected with the supporting frame on the battery box body, the bottom of the pressing strip is abutted against the top end of the battery pack, and the battery pack is fixed in the battery box body through the pressing strip, so that the purpose of saving a module assembly structure is achieved, the types of materials of the assembly structure of the non-module type battery structure are reduced through the design, the assembly process is simplified, and the disassembly and assembly time and cost are reduced.
2. According to the non-module type battery structure, the accommodating cavity is formed in the battery box body to accommodate the battery pack, and the accommodating cavity is sealed by the battery box cover, so that the sealing performance of the non-module type battery structure is improved, the interior of the non-module type battery structure is prevented from being affected with damp, and the short circuit risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 a non-modular battery configuration in accordance with an embodiment of the present invention;
fig. 2 is a schematic view illustrating the assembly of the BMS module in the non-module type battery structure according to an embodiment of the present invention.
Description of reference numerals:
a non-modular battery structure 10; a battery pack 100; a silicone pad 110; an aluminum row 120; a battery cell 130; a PC film 140; a battery case 200; a housing chamber 210; a support frame 220; a sidewall insulating sheet 230; a receiving cavity 240; the detachment opening 241; a bead 300; a body 310; a fixing portion 320; a side surface stopper 330; a battery case cover 400; a top cover insulating sheet 500; a BMS module 600; a terminal post 610; a front panel 620; a handle 621.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a non-module type battery structure 10 includes a battery pack 100, a battery box 200, a pressing bar 300 and a battery box cover 400, wherein the battery pack 100 includes a plurality of cells 130 arranged in sequence; the battery box body 200 is provided with an accommodating cavity 210, the accommodating cavity 210 is used for accommodating the battery pack 100, the inner side wall of the accommodating cavity 210 is used for abutting against the outer side wall of the battery pack 100, and the battery box body 200 is provided with a support frame 220 on the side wall of the accommodating cavity 210; the pressing strip 300 is connected with the supporting frame 220, and the bottom surface of the pressing strip 300 is used for being abutted against the top end of the battery pack 100; the battery case cover 400 is used to close the receiving cavity 210.
It should be noted that, a plurality of electric cores 130 arranged in sequence are electrically connected, a containing cavity 210 is formed on the battery box 200, and the shape and size of the containing cavity 210 are adapted to the shape and size of the battery pack 100. The battery box 200 is further provided with a support frame 220, and the pressing strip 300 and the support frame 220 can be fixedly connected through a thread or riveting structure. The battery box cover 400 is disposed on the top end of the battery box 200, the battery box cover 400 can be connected to the battery box 200 by bolts or other common connecting structures, and the battery box cover 400 is used for closing the accommodating cavity 210.
The assembly process of the non-module battery structure 10 is as follows, the battery cells 130 are collected to form the battery pack 100, the battery pack 100 is placed in the accommodating cavity 210 of the battery box 200, the outer side wall of the battery pack 100 abuts against the inner side wall of the accommodating cavity 210 to limit the movement of the battery pack 100 in the accommodating cavity 210, then the pressing strip 300 is fixedly connected with the supporting frame 220, after the connection is completed, the bottom end of the pressing strip 300 abuts against the top end of the battery pack 100 to limit the battery pack 100 to be separated from the accommodating cavity 210 in the vertical direction, and finally the battery box cover 400 is covered on the opening of the accommodating cavity 210 and fixed to close the accommodating cavity 210.
Through the structural design, the use of parts such as end plates, side plates and the like is omitted, the welding operation of the end plates is also omitted, the production cost is saved, and the dismounting efficiency is improved.
Referring to fig. 1, in one embodiment, two support frames 220 are provided, the two support frames 220 are respectively disposed on two opposite sides of the accommodating cavity 210, the pressing strip 300 includes a body 310 and fixing portions 320 disposed on two sides of the body 310, the two fixing portions 320 are used for being connected to the two support frames 220 in a one-to-one correspondence manner, one surface of the body 310 close to the battery pack 100 is provided with a side surface limiting portion 330, and the side surface limiting portion 330 is used for abutting against a side wall of the battery pack 100.
It should be noted that two supporting frames 220 are disposed at two sides of the accommodating cavity 210, so that after the battery pack 100 is placed in the accommodating cavity 210, the fixing portions 320 at two ends of the pressing strip 300 can be fixedly connected with the two supporting frames 220 through a common bolt fastening structure, and the body 310 of the pressing strip 300 is partially abutted against the top end of the battery pack 100, so as to press the battery pack 100 in the accommodating cavity 210, and prevent the battery pack 100 from coming off. In order to further improve the stability of the battery pack 100 in the accommodating cavity 210, in this embodiment, the body 310 of the pressing strip 300 is further provided with a lateral limiting portion 330, and when the pressing strip 300 abuts against the top end of the battery pack 100, the lateral limiting portion 330 abuts against the side wall of the battery pack 100, so that the battery pack 100 is not prone to shaking in the accommodating cavity 210, and the stability is improved.
Referring to fig. 1, in one embodiment, the battery box 200 further includes a sidewall insulation sheet 230, and the sidewall insulation sheet 230 is disposed on an inner sidewall of the accommodating cavity 210.
In order to improve the insulating performance of the non-module type battery structure 10, a sidewall insulating sheet 230 is attached to the inner sidewall of the accommodating cavity 210, the sidewall insulating sheet 230 may be made of common PVC film, plastic, and the like, and the sidewall insulating sheet 230 may prevent the battery pack 100 from being short-circuited with the battery box 200, so as to improve the safety performance of the non-module type battery structure 10.
Referring to fig. 1, in one embodiment, the battery pack 100 further includes a silicone pad 110, and the silicone pad 110 is disposed around an outer side surface of the battery pack 100.
The battery pack 100 gradually expands in daily use, and in order to prevent the battery pack 100 from damaging the battery case 200, the silicone gasket 110 is disposed on the sidewall of the battery pack 100 to provide a cushion for the battery pack 100, thereby improving the safety performance of the non-module type battery structure 10.
Referring to fig. 1, in one embodiment, the battery pack 100 further includes an aluminum bar 120, the aluminum bar 120 is disposed at a top end of the battery pack 100, and the aluminum bar 120 is used to electrically connect the battery cells 130.
It should be noted that, the cells 130 may be connected in series or in parallel through the aluminum bar 120, and the aluminum bar 120 has good conductivity and low cost.
Referring to fig. 1, in one embodiment, the battery pack 100 further includes a PC film 140, the PC film 140 is disposed on the top end of the battery pack 100, one side of the PC film 140 is used for being adhered to the battery pack 100, and the other side of the PC film 140 is used for being adhered to the aluminum bar 120.
It should be noted that the PC film 140 may be a common polycarbonate film, and the PC film 140 may bond the aluminum bar 120 to the top end of the battery pack 100 by glue, so that the connection is stable and the assembly is convenient.
Referring to fig. 1, in one embodiment, the non-module battery structure 10 further includes a top cover insulating sheet 500, and the top cover insulating sheet 500 is disposed on a surface of the battery box cover 400 close to the battery box body 200.
In order to improve the overall insulation performance of the non-module type battery structure 10 and prevent electric leakage, a top cover insulation sheet 500 is further arranged on one surface of the battery box cover 400 close to the battery box body 200, the top cover insulation sheet 500 can be made of common insulation materials such as polypropylene plastics, and through the arrangement of the top cover insulation sheet 500, the battery pack 100 is prevented from being conductive to the battery box cover 400, so that the safety performance of the non-module type battery structure 10 is improved.
Referring to fig. 1 and 2, in one embodiment, the battery structure 10 further includes a BMS module 600, the battery case 200 further includes a receiving cavity 240, the receiving cavity 240 is located at a side of the receiving cavity 210, the receiving cavity 240 is used for receiving the BMS module 600, and the BMS module 600 is electrically connected to the battery pack 100.
The BMS module 600 is a management element commonly used in batteries, and it can intelligently manage and maintain each battery cell, prevent overcharge and overdischarge of the battery, extend the lifespan of the battery, and monitor the state of the battery. The receiving cavities 240 are formed at the sides of the receiving cavities 210, and the BMS module 600 is received in the receiving cavities 240, thereby improving the integration of the module-less battery structure 10.
Referring to fig. 2, in one embodiment, the module-less battery structure 10 further includes a terminal 610, a handle 621 and a front panel 620, the handle 621 is disposed on the front panel 620, the terminal 610 is electrically connected to the BMS module 600, a detachment opening 241 is disposed on a side of the receiving cavity 240 away from the receiving cavity 210, and the front panel 620 is used for closing the detachment opening 241.
It should be noted that, in order to facilitate wiring with the outside, the non-module type battery structure 10 further includes a terminal 610 and a front panel 620, a detachment opening 241 is disposed on one side of the accommodation cavity 240 away from the accommodation cavity 210, and the front panel 620 can be detachably mounted on the detachment opening 241 through a bolt or a buckle, so as to facilitate detachment and mounting of the BMS module 600, and the terminal 610 can be configured as a common wire interface structure so as to be connected with an external wire harness. The front panel 620 is provided with a handle 621. It is understood that a conventional handle 621 may be provided on the front panel 620 to facilitate the detachment of the front panel 620, and the handle 621 structure may also facilitate the transportation of the non-module type battery structure 10.
Referring to fig. 1, in one embodiment, two ends of the supporting frame 220 are respectively connected to two opposite sidewalls of the accommodating cavity 210 in a one-to-one correspondence manner. It can be appreciated that this connection can firmly connect the supporting frame 220 with the accommodating cavity 210, thereby improving stability.
Compared with the prior art, the utility model has at least the following advantages:
1. the non-module type battery structure 10 is provided with the battery pack 100, the battery box body 200, the pressing strip 300 and the battery box cover 400, the battery pack 100 is accommodated in the accommodating cavity 210 of the battery box body 200, the fixing part 320 on the pressing strip 300 is connected with the supporting frame 220 on the battery box body 200, the bottom of the pressing strip 300 is abutted against the top end of the battery pack 100, and the battery pack 100 is fixed in the battery box body 200 through the pressing strip 300, so that the purpose of omitting a module assembly structure is realized, the types of assembly structure materials of the non-module type battery structure 10 are reduced through the design, the assembly process is simplified, and the disassembly and assembly working hours and the cost are reduced.
2. The non-module battery structure 10 of the present invention is provided with the accommodating cavity 210 in the battery box 200 to accommodate the battery pack 100, and the accommodating cavity 210 is closed by the battery box cover 400, so as to improve the sealing performance of the non-module battery structure 10, prevent the interior of the non-module battery structure 10 from being affected with moisture, and reduce the risk of short circuit.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A non-modular battery structure, comprising:
the battery pack comprises a plurality of electric cores which are sequentially arranged;
the battery box body is provided with an accommodating cavity, the accommodating cavity is used for accommodating the battery pack, the inner wall of the accommodating cavity is used for abutting against the outer side wall of the battery pack, and a support frame is arranged on the side wall of the accommodating cavity of the battery box body;
the pressing strip is connected with the supporting frame, and the bottom surface of the pressing strip is used for being abutted against the top end of the battery pack;
and the battery box cover is used for closing the accommodating cavity.
2. The battery structure of claim 1, wherein there are two support frames, two support frames are disposed on two opposite sides of the accommodating cavity, the pressing strip includes a body and fixing portions disposed on two sides of the body, the two fixing portions are used for connecting with the two support frames in a one-to-one correspondence, a side surface limiting portion is disposed on a surface of the body close to the battery pack, and the side surface limiting portion is used for abutting against a side wall of the battery pack.
3. The module-less battery structure according to claim 1 or 2, wherein the battery case further comprises a sidewall insulation sheet disposed on an inner sidewall of the accommodation cavity.
4. The non-module battery structure according to claim 1 or 2, wherein the battery pack further comprises a silicone gasket disposed around an outer side surface of the battery pack.
5. The battery structure of claim 1 or 2, wherein the battery pack further comprises an aluminum row disposed at a top end of the battery pack, the aluminum row being used for electrical connection between the cells.
6. The battery pack of claim 5, further comprising a PC film disposed on the top end of the battery pack, one side of the PC film being adapted to adhere to the battery pack and the other side of the PC film being adapted to adhere to the aluminum busbar.
7. The non-modular battery structure according to claim 1 or 2, further comprising a top cover insulating sheet disposed on a surface of the battery case cover adjacent to the battery case body.
8. The battery pack of claim 1, wherein the battery pack further comprises a BMS module, and the battery case further comprises a receiving cavity located at a side of the receiving cavity for receiving the BMS module, wherein the BMS module is electrically connected to the battery pack.
9. The battery structure of claim 8, further comprising a terminal, a handle, and a front panel, wherein the front panel is provided with the handle, the terminal is disposed on the front panel, the terminal is electrically connected to the BMS module, a detachment opening is disposed on a side of the receiving cavity away from the receiving cavity, and the front panel is used for closing the detachment opening.
10. The battery structure of claim 1, wherein two ends of the supporting frame are respectively connected to two opposite side walls of the accommodating cavity in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314238.7U CN215418442U (en) | 2021-02-03 | 2021-02-03 | Non-module type battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314238.7U CN215418442U (en) | 2021-02-03 | 2021-02-03 | Non-module type battery structure |
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| Publication Number | Publication Date |
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| CN215418442U true CN215418442U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120314238.7U Active CN215418442U (en) | 2021-02-03 | 2021-02-03 | Non-module type battery structure |
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| CN (1) | CN215418442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115832562A (en) * | 2022-04-29 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Battery box and have its battery |
-
2021
- 2021-02-03 CN CN202120314238.7U patent/CN215418442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115832562A (en) * | 2022-04-29 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Battery box and have its battery |
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