CN216818509U - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN216818509U CN216818509U CN202123110032.1U CN202123110032U CN216818509U CN 216818509 U CN216818509 U CN 216818509U CN 202123110032 U CN202123110032 U CN 202123110032U CN 216818509 U CN216818509 U CN 216818509U
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- China
- Prior art keywords
- confluence
- box body
- bus
- battery module
- end cover
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- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery module, which relates to the technical field of power batteries and comprises a box body, a confluence structural member, an end cover, a single battery, a confluence serial-connection bar and a confluence lead-out bar; the box body, the confluence structural part and the end cover are all made of insulating materials, the confluence structural part is fixedly connected to the outer side of the box body, and the end cover is fixedly connected to the outer side of the confluence structural part; the inner cavity of the box body is internally provided with a plurality of single batteries, and the converging series-connection row connects the single batteries in series; and the two bus leading-out bars are respectively and fixedly connected with the bus series-connection bars and are respectively led out from the notch between the bus structural member and the end cover to form the positive and negative poles of the battery module. The utility model has the advantages that: the insulating safety performance of the electric connection is improved.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a battery module.
Background
At present, in the battery field, the module adopts metal parts such as end plate, curb plate to carry out the assembly in groups mostly to this brings the module inefficiency in groups, leads to the assembly to have not little insulating potential safety hazard between the module. Due to the fact that the metal parts are used for grouping, a certain installation distance needs to be kept during module assembly, and therefore the volume utilization rate of the box body is reduced. In addition, the metal components are assembled in groups, so that the limitation of mass energy density is difficult to break.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery module with improved insulation safety performance.
The utility model solves the technical problems through the following technical means: the battery module comprises a box body, a confluence structural member, an end cover, a single battery, a confluence serial-connection bar and a confluence lead-out bar; the box body, the confluence structural part and the end cover are all made of insulating materials, the confluence structural part is fixedly connected to the outer side of the box body, and the end cover is fixedly connected to the outer side of the confluence structural part; a plurality of single batteries are accommodated in the inner cavity of the box body, and the converging series-connection row connects the single batteries in series; the two bus leading-out bars are respectively and fixedly connected with the bus series-connection bars and are respectively led out from the notch between the bus structural member and the end cover to form the positive and negative poles of the battery module. The box body, converge the structural component, the end cover is insulating material, has effectively improved the insulating security performance of electricity connection, compares traditional module, has reduced the insulating material part that uses in addition for strengthening the electrical security performance of module by a wide margin, has realized the module lightweight, has reduced the manufacturing cost and the technology complexity of module.
According to the optimized technical scheme, the single batteries are arranged in a line along the thickness direction of the box body, grooves are respectively formed in the positions, corresponding to the single batteries, of the bottom of the inner cavity of the box body, and the single batteries are installed in the grooves in a matched mode.
As an optimized technical scheme, a plurality of assembling grooves are arranged on two sides of the box body, the assembling grooves on each side are arranged in a line at intervals, and the assembling grooves on the two sides correspond to each other in a staggered mode. The plurality of battery modules form a whole through the matching among the assembly grooves, so that the structural strength of the whole system is ensured, and the use safety of the battery modules is further improved; and the space of the system box body is effectively utilized, and the design complexity and the manufacturing process difficulty of the system box body are reduced.
According to the optimized technical scheme, the bus structure is provided with an embedded structure matched with the shapes of the bus serial-connection bar and the bus leading-out bar, and the bus serial-connection bar and the bus leading-out bar are attached, positioned and assembled on the bus structure.
As an optimized technical scheme, the battery module further comprises a sampling wire harness, and the sampling wire harness is fixedly connected with the bus leading-out bar.
According to the optimized technical scheme, the sampling wire harness is integrated on the confluence structural member, and the confluence structural member is provided with a local constraint structure for fixing the sampling wire harness.
According to the optimized technical scheme, the box body, the confluence structural part and the end cover are made of plastic materials, the confluence structural part is fixedly connected with the box body through a plastic fuse nail, and the end cover is fixedly connected with the confluence structural part through a plastic fuse nail or a bolt.
The utility model has the advantages that:
1. the insulating safety performance of the electric connection is improved, the module is light, and the manufacturing cost and the process complexity of the module are reduced.
2. The plurality of battery modules form a whole body through the matching among the assembly grooves, the structural strength of the whole system is ensured, the use safety of the battery modules is further improved,
3. the space of the system box body is effectively utilized, and the design complexity and the manufacturing process difficulty of the system box body are reduced.
Drawings
Fig. 1 is an axial view of a battery module according to an embodiment of the present invention.
Fig. 2 is an axial view of a battery module with end caps removed according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a single battery cell mounted inside a case according to an embodiment of the present invention.
Fig. 4 is an axial view of two battery modules assembled together according to an embodiment of the present invention.
Fig. 5 is a schematic top view illustrating two battery modules assembled together according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the battery module includes a box body 1, a bus structure 2, an end cover 3, a single battery 4, a bus serial bar 5, a bus lead-out bar 6, a sampling wire harness 7, and an assembly groove 8.
The box body 1, the confluence structural member 2 and the end cover 3 are all made of insulating materials, particularly plastics; the box body 1 can define the material strength of the used material according to the requirement, and the mechanical property of the structure is ensured; the confluence structural member 2 is fixedly connected to the outer side of the box body 1, and the plastic material ensures the construction of the confluence structural member 2 with a complex structure; the end cover 3 is fixedly connected to the outer side of the confluence structural member 2, the end cover 3 is packaged after the module confluence assembly is integrated to ensure the insulation safety of the battery module, and a Z-direction fixed mounting point is provided for fixing; surface-to-surface assembly is carried out between the confluence structural member 2 and the box body 1 and between the end cover 3 and the confluence structural member 2; the confluence structural member 2 is fixedly connected with the box body 1 through a plastic fuse nail, so that the integrated seamless connection of the combining surfaces is ensured, and the structural configuration is firmly ensured; the end cover 3 is fixedly connected with the confluence structural member 2 through plastic fusion nails or bolts.
A plurality of single batteries 4 are accommodated in the inner cavity of the box body 1, and the single batteries 4 are arranged in a line along the thickness direction of the box body 1; the bottom of the inner cavity of the box body 1 is provided with grooves corresponding to the positions of the single batteries 4 for assisting the single batteries 4 to be arranged and fixed, and the single batteries 4 are arranged in the grooves in a matching way.
The bus serial-connection bar 5 and the bus leading-out bar 6 both adopt copper bars, an embedded configuration matched with the shapes of the bus serial-connection bar 5 and the bus leading-out bar 6 is arranged on the bus structural member 2, and the bus serial-connection bar 5 and the bus leading-out bar 6 are both attached, positioned and assembled on the bus structural member 2; the two sides of each single battery 4 are led out with lugs with different polarities, the bus serial-connection bar 5 is fixedly connected with the lugs through a welding process, and each single battery 4 is connected in series; the two bus leading-out bars 6 are respectively and fixedly connected with the bus series-connection bars 5 and are respectively led out from the notch between the bus structural member 2 and the end cover 3 to form the positive and negative poles of the battery module for being connected with the outside in series.
A plurality of assembling grooves 8 are formed in the two sides of the box body 1, the assembling grooves 8 in each side are arranged in a line at intervals, and the assembling grooves 8 in the two sides correspond in a staggered mode, so that a plurality of battery modules can be conveniently matched to form a whole; as shown in fig. 4 and 5, by utilizing the concept of building block lap joint design, two battery modules are jointed and assembled to form a whole between the modules, and the acting force is decomposed and diffused integrally, so that the structural damage caused by the expansive force generated by a single module can be effectively reduced, the integral structural strength of the system is ensured, and the use safety of the battery modules is further improved; and the space of the system box body is effectively utilized, and the design complexity and the manufacturing process difficulty of the system box body are reduced.
The working principle of the battery module is that the box body 1, the confluence structural part 2 and the end cover 3 are all made of insulating materials by adopting a full-plastic product process, so that the insulating safety performance of electric connection is effectively improved, compared with the traditional module, insulating material parts additionally used for enhancing the electrical safety performance of the module are greatly reduced, the lightweight of the module is realized, and the manufacturing cost and the process complexity of the module are reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A battery module, its characterized in that: the battery box comprises a box body, a confluence structural member, an end cover, a single battery, a confluence series-connection bar and a confluence lead-out bar; the box body, the confluence structural part and the end cover are all made of insulating materials, the confluence structural part is fixedly connected to the outer side of the box body, and the end cover is fixedly connected to the outer side of the confluence structural part; a plurality of single batteries are accommodated in the inner cavity of the box body, and the converging series-connection row connects the single batteries in series; the two bus leading-out bars are respectively and fixedly connected with the bus series-connection bars and are respectively led out from the notch between the bus structural member and the end cover to form the positive and negative poles of the battery module.
2. The battery module according to claim 1, wherein: the single batteries are arranged in a line along the thickness direction of the box body, grooves are respectively formed in the bottom of the inner cavity of the box body corresponding to the positions of the single batteries, and the single batteries are installed in the grooves in a matched mode.
3. The battery module according to claim 1, wherein: the two sides of the box body are respectively provided with a plurality of assembling grooves, the assembling grooves on each side are arranged in a line at intervals, and the assembling grooves on the two sides correspond to each other in a staggered mode.
4. The battery module according to claim 1, wherein: the bus structure is provided with an embedded structure matched with the bus serial-connection bar and the bus leading-out bar in shape, and the bus serial-connection bar and the bus leading-out bar are both attached, positioned and assembled on the bus structure.
5. The battery module according to claim 1, wherein: the battery module further comprises a sampling wire harness, and the sampling wire harness is fixedly connected with the bus leading-out bar.
6. The battery module according to claim 5, wherein: the sampling wire harness is integrated on the confluence structural part, and the confluence structural part is provided with a local constraint structure for fixing the sampling wire harness.
7. The battery module according to claim 1, wherein: the box body, the structure that converges, the end cover all adopt the plastics material, converge the structure with the box body passes through plastics fuse nail fixed connection, the end cover with converge the structure and pass through plastics fuse nail or bolt fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123110032.1U CN216818509U (en) | 2021-12-10 | 2021-12-10 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123110032.1U CN216818509U (en) | 2021-12-10 | 2021-12-10 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818509U true CN216818509U (en) | 2022-06-24 |
Family
ID=82053455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123110032.1U Active CN216818509U (en) | 2021-12-10 | 2021-12-10 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818509U (en) |
-
2021
- 2021-12-10 CN CN202123110032.1U patent/CN216818509U/en active Active
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