CN213636235U - Battery module output pole protection structure and battery module - Google Patents
Battery module output pole protection structure and battery module Download PDFInfo
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- CN213636235U CN213636235U CN202022407320.2U CN202022407320U CN213636235U CN 213636235 U CN213636235 U CN 213636235U CN 202022407320 U CN202022407320 U CN 202022407320U CN 213636235 U CN213636235 U CN 213636235U
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- output electrode
- electrode protection
- battery module
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- base
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- 238000009434 installation Methods 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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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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Abstract
The utility model provides a battery module output pole protection architecture and battery module, battery module output pole protection architecture includes: the output electrode protective base is provided with a bulge and a fixed edge, the output electrode base is provided with a mounting hole corresponding to the bulge, the output electrode protective base is provided with a fixed block corresponding to the fixed edge, and when the bulge is connected with the mounting hole, the fixed edge is abutted against the fixed block, so that the output electrode protective cover is fixed on the output electrode protective base. The output electrode protection structure provided by the invention is easy to assemble and disassemble, the output electrode protection cover is not easy to damage, and the service life of the output electrode protection cover is prolonged; adopt two kinds of fixed modes to fix the output utmost point visor simultaneously, improved the installation stability of output utmost point visor, be difficult for droing in the use, further reduce battery module's short circuit risk.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a battery module output pole protection architecture and battery module.
Background
The battery core adopted by the power battery system is characterized by high energy density, for example, the lithium iron phosphate battery core is taken as an example, the energy density can reach 130wh/kg, and the mass of the power battery generally accounts for 30% -40% of the mass of a finished vehicle, because the battery has a series of potential exothermic side reactions such as decomposition and heat release of a positive electrode, reduction and oxidation decomposition of an electrolyte solution and the like besides normal electrode reactions for storing and releasing electric energy, once the battery is short-circuited or overcharged, the side reactions are triggered to release a large amount of heat and organic micromolecular gas to cause the rapid rise of the internal temperature and pressure of the battery, and the rapid rise of the temperature is in an exponential accelerating side reaction to generate a larger amount of heat so that the battery enters an uncontrollable thermal runaway state to finally explode or burn the battery.
In order to reduce the short-circuit risk of the power battery in the use or installation process, the output electrode of the battery module is usually subjected to insulation protection, for example, a shell protection structure is additionally arranged on the output electrode of the battery module to protect the battery module; however, the mode lock that output utmost point casing protection architecture generally adopted the joint among the prior art is in the same place, so, when normal use or erection joint, need dismantle output utmost point casing protection architecture, nevertheless buckle structure dismantles more difficultly, often need dismantle with the help of the instrument, and the while dismantlement process leads to the buckle to damage easily, shortens output utmost point casing protection architecture's life.
Therefore, how to design an output electrode protection structure which is easy to assemble and disassemble and has a simple and stable structure is a problem to be solved by researchers in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first-hand object is overcome the weak point among the prior art, provides a dismouting and is simple and easy, and the battery module output pole protection architecture that simple structure is stable.
Another object of the present invention is to provide a battery module including the above-mentioned battery module output electrode protection structure.
The purpose of the utility model is realized through the following technical scheme:
a battery module output electrode protection structure includes: the output electrode protection base is provided with a bulge and a fixed edge, the output electrode base is provided with a mounting hole corresponding to the bulge, the output electrode protection base is provided with a fixed block corresponding to the fixed edge, and when the bulge is connected with the mounting hole, the fixed edge is abutted against the fixed block, so that the output electrode protection cover is fixed on the output electrode protection base.
In one embodiment, the protrusion is disposed in a width direction of the output electrode protection cover, and the fixing block is disposed in a length direction of the output electrode base.
In one embodiment, the protrusions are of a circular configuration.
In one embodiment, the fixing block is provided with an inclined surface structure.
In one embodiment, the output pole protection base is provided with an external connecting port.
In one embodiment, the output electrode protection base and the output electrode protection cover enclose a protection space for accommodating the output electrode and the external connection component.
In one embodiment, the top of the output pole protection base has a first oblique edge, and the bottom of the output pole protection cover has a second oblique edge corresponding to the first oblique edge.
In one embodiment, the bottom of the output electrode protection base is provided with a first through hole for penetrating through the output electrode of the battery module.
The invention also provides a battery module comprising the battery module output electrode protection structure.
In one embodiment, the battery module further includes:
the battery cell assembly comprises a battery cell, an end plate and a side plate, wherein the end plate is connected with the side plate, the end plate and the side plate are arranged on the battery cell, the end plate is provided with an installation groove, and the installation groove is provided with the output electrode protection structure;
the busbar assembly is connected with the electric core assembly, the busbar assembly is provided with an output part, and the output part is provided with a second through hole;
the external connection copper bar is of a U-shaped structure, and a third through hole is formed in the external connection copper bar.
In one embodiment, the battery module further comprises a bolt, one end of the bolt penetrates through the second through hole and the third through hole in sequence and is in threaded connection with the output electrode of the battery module, and the bolt is used for fixing the bus bar assembly and the external connecting copper bar on the battery core assembly.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model provides a battery module output pole protection architecture, through setting up arch and fixed limit at output pole visor, set up mounting hole and fixed block at output pole protection base, during the installation fixed limit supports with the fixed block earlier, then exert certain pressure to output pole visor both sides, be connected the arch with the mounting hole, thereby fix output pole visor on output pole base, only need during the dismantlement at output pole visor both sides inside application of force, after making the arch break away from the mounting hole, then rotate output pole visor downwards, can separate fixed limit and fixed block, thereby dismantle output pole visor, therefore the output pole protection architecture that the invention provided its dismouting is simple and easy, not fragile output pole visor, the life of output pole visor has been prolonged; meanwhile, the protrusions are connected with the mounting holes, the fixing edges are abutted against the fixing blocks to fix the output electrode protective covers, the mounting stability of the output electrode protective covers is improved, the output electrode protective covers are not prone to falling off in the using process, and the short circuit risk of the battery module is further reduced.
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 a schematic structural view of a battery module output electrode protection structure according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of the embodiment shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B of the embodiment shown in FIG. 1;
fig. 4 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 5 is a structural assembly view illustrating the battery module according to the embodiment shown in fig. 4.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The 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 invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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 to 3, a battery module output electrode protection structure 10 includes: the output electrode protection base 100 is provided with a protrusion 210 and a fixing edge 220, the output electrode protection base 200 is provided with a mounting hole 110 corresponding to the protrusion 210, the output electrode protection base 100 is provided with a fixing block 120 corresponding to the fixing edge 220, and when the protrusion 210 is connected with the mounting hole 110, the fixing edge 220 abuts against the fixing block 120, so that the output electrode protection base 100 is fixed with the output electrode protection cover 200.
It should be noted that, in the battery module output electrode protection structure 10 provided by the present invention, when being installed, the fixing edge 220 is firstly abutted against the fixing block 120, then a certain pressure is applied to both sides of the output electrode protection cover 200, and the protrusion 210 is connected with the mounting hole 110, so that the output electrode protection cover 200 is fixed on the output electrode base 100; when the output electrode protection structure 10 is disassembled, force is applied inwards on two sides of the output electrode protection cover 200 to separate the protrusion 210 from the mounting hole 110, and then the output electrode protection cover 200 is rotated downwards to separate the fixed edge 220 from the fixed block 120, so that the output electrode protection cover 200 is disassembled; meanwhile, the protrusions 210 are connected with the mounting holes 110, and the fixing edges 220 abut against the fixing blocks 120 to fix the output electrode protection cover 200, so that the mounting stability of the output electrode protection cover 200 is improved, the output electrode protection cover is not easy to fall off in the using process, and the short circuit risk of the battery module is further reduced.
Further, the output electrode protection cover 200 and the output electrode protection base 100 are usually made of a polymer resin material through injection molding, and the structure made of the polymer resin material has a certain elastic modulus and can generate a certain elastic deformation in the using process, that is, the output electrode protection cover 200 can exhibit an elastic property under the stress within the elastic limit in a short time, and can return to the original shape after the stress is removed, so that the protrusion 210 is fixed or separated from the mounting hole 110 by using the elastic deformation capability of the output electrode protection cover 200 in the process of mounting and dismounting the output electrode protection cover 200, and the output electrode protection cover 200 cannot be damaged.
Referring to fig. 1 to 3, the protrusion 210 is disposed in the width direction of the output electrode protection cover 200, and the fixing block 120 is disposed in the length direction of the output electrode protection base 100. It should be noted that, the protrusion 210 is disposed in the width direction of the output electrode protection cover 200, that is, the protrusion 210 is connected and fixed with the mounting hole 110 along the length direction, and the fixing block 120 is disposed in the length direction of the output electrode protection base 100, that is, the fixing block 120 is connected and fixed with the fixing edge 220 along the width direction, so that after the output electrode protection cover 200 is mounted and fixed on the output electrode protection base 100, the output electrode protection cover 200 is not damaged by a general impact during the use or transportation of the battery module, and the mounting stability of the output electrode protection cover 200 is further improved.
Referring to fig. 1-3, the protrusion 210 has a circular structure. It should be noted that the connection mode of the circular-shaped protrusion 210 and the mounting hole 110 has more movement allowance than the connection mode of the protrusion 210 and the mounting hole 110 with other shapes, and the circular-shaped protrusion 210 enables the output electrode protection cover 200 to be more easily detached during the detachment process of the output electrode protection cover 200, for example, when a certain pressure is manually applied to both sides of the output electrode protection cover 200 during the detachment process, because the protrusion 210 is circular-shaped, and the output electrode protection cover 200 is generally made of a high polymer resin material and has a certain elastic deformation force, under the application of external pressure, the protrusion 210 is separated from the mounting hole 110, and then the output electrode protection cover 200 is rotated to separate the fixing edge 220 from the fixing block 120, thereby the output electrode protection cover 200 can be rapidly detached, and the protrusion 210 with the circular-shaped structure is compared with the protrusion 210 with the rectangular or other polygonal shape, the output pole protective cover 200 is less prone to wear due to a force direction error or violent disassembly, thereby prolonging the service life of the output pole protective cover 200.
Referring to fig. 1 to 3, the fixing block 120 is provided with an inclined surface structure 121, and the inclined surface structure 121 is inclined downward from one end of the fixing block 120 connected to the output electrode protection base 100 to the other end thereof. It should be noted that the arrangement of the inclined plane structure 121 provides another way for the output electrode protection cover 200 to be installed, that is, when the output electrode protection cover 200 is installed, a certain pressure is applied to the output electrode protection cover 200 to make the fixing edge 220 slide downwards along the inclined plane 121, and fall below the fixing block 120 to abut against the fixing block 120, and then a force is applied to both sides of the output electrode protection cover 200 to make the protrusion 210 connect with the installation hole 110.
Referring to fig. 1, the output electrode protection base 100 is provided with an external connection port 130. It should be noted that, in the normal use process, a plurality of battery modules are usually required to be connected for use, and therefore, the external connection port 130 is required to be provided on the output electrode protection base 100 for accommodating an external connection component, such as the external connection copper bar 500.
Referring to fig. 5, the output electrode protection base 100 and the output electrode protection cover 200 form a protection space for accommodating the output electrode and the external connection component. Can avoid output utmost point and external connection subassembly to receive extrusion and collision in the guard space, reduce the short circuit risk that output utmost point and external connection subassembly are scraped and damaged and lead to by the foreign matter.
Referring to fig. 1 to 3, the top of the output electrode protection base 100 has a first bevel edge 140, and the bottom of the output electrode protection cover 200 has a second bevel edge 230 corresponding to the first bevel edge 140. It should be noted that the first oblique edge 140 and the second oblique edge 230 cooperate with each other to limit the output electrode protection cover 200, thereby improving the installation stability of the output electrode protection cover 200.
Referring to fig. 1, the bottom of the output electrode protection base 100 is provided with a first through hole 150 for penetrating the output electrode of the battery module 20.
The present invention also provides a battery module 20 including the above-described battery module output electrode protection structure 10.
Referring to fig. 4 to 5, the battery module 20 further includes:
the battery core assembly 300 comprises a battery core, an end plate and a side plate, wherein the end plate is connected with the side plate, the end plate and the side plate are arranged on the battery core, the end plate is provided with an installation groove, and an output electrode protection structure 10 is arranged on the installation groove;
the bus bar assembly 400, the bus bar assembly 400 is connected with the electric core assembly 300, the bus bar assembly 400 is provided with an output part 410, and the output part 410 is provided with a second through hole 411;
external connection copper bar 500, external connection copper bar 500 are the U-shaped structure, and third through hole 510 has been seted up to external connection copper bar 500.
Referring to fig. 4 to 5, the battery module further includes a bolt 600, one end of the bolt 600 penetrates through the second through hole 411 and the third through hole 510 in sequence, and is screwed with the output electrode of the battery module 20, so as to fixedly connect the bus bar assembly 400 and the external connecting copper bar 500 to the electric core assembly 300.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model provides a battery module output electrode protection structure 10, which is characterized in that a mounting hole 110 and a fixed block 120 are arranged on an output electrode protection base 100, the output electrode protection cover 200 is provided with a protrusion 210 and a fixing edge 220, the fixing edge 220 is abutted against the fixing block 120 during installation, then, a certain pressure is applied to both sides of the output electrode protecting cover 200, the protrusions 210 are coupled with the mounting holes 110, therefore, the output electrode protection cover 200 is fixed on the output electrode protection base 100, and only the two sides of the output electrode protection cover 200 need to be simultaneously applied with force during the detachment, and after the protrusion 210 is separated from the mounting hole 110, then, the output electrode protecting cover 200 is moved to separate the fixing edge 220 from the fixing block 120, thereby detaching the output electrode protecting cover 200, therefore, the output electrode protection structure 10 provided by the invention is easy to assemble and disassemble, the output electrode protection cover 200 is not easy to damage, and the service life of the output electrode protection cover 200 is prolonged; meanwhile, the protrusion 210 is connected with the mounting hole 110, and the fixing edge 220 abuts against the fixing block 120 to fix the output electrode protection cover 200, so that the mounting stability of the output electrode protection cover 200 is improved, the output electrode protection cover is not easy to fall off in the using process, and the short circuit risk of the battery module 20 is further reduced.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a battery module output pole protection architecture which characterized in that includes: the output electrode protection base is provided with a bulge and a fixed edge, the output electrode base is provided with a mounting hole corresponding to the bulge, the output electrode protection base is provided with a fixed block corresponding to the fixed edge, and when the bulge is connected with the mounting hole, the fixed edge is abutted against the fixed block, so that the output electrode protection cover is fixed on the output electrode protection base.
2. The battery module output electrode protection structure according to claim 1, wherein the protrusion is disposed in a width direction of the output electrode protection cover, and the fixing block is disposed in a length direction of the output electrode base.
3. The battery module output electrode protection structure according to claim 2, wherein the protrusions have a circular structure.
4. The battery module output electrode protection structure according to claim 2, wherein the fixing block is provided with a slope structure.
5. The battery module output electrode protection structure according to claim 1, wherein the output electrode protection base is provided with an external connection port.
6. The battery module output electrode protection structure according to claim 1, wherein the output electrode protection base and the output electrode protection cover enclose a protection space for accommodating an output electrode and an external connection assembly.
7. The battery module output electrode protection structure according to claim 1, wherein the top of the output electrode protection base has a first oblique edge, and the bottom of the output electrode protection cover has a second oblique edge corresponding to the first oblique edge.
8. The battery module output electrode protection structure according to claim 1, wherein the bottom of the output electrode protection base is provided with a first through hole for penetrating through the output electrode of the battery module.
9. A battery module comprising the battery module output electrode protection structure according to any one of claims 1 to 8.
10. The battery module according to claim 9, further comprising:
the battery cell assembly comprises a battery cell, an end plate and a side plate, wherein the end plate is connected with the side plate, the end plate and the side plate are arranged on the battery cell, the end plate is provided with an installation groove, and the installation groove is provided with the output electrode protection structure;
the busbar assembly is connected with the electric core assembly, the busbar assembly is provided with an output part, and the output part is provided with a second through hole;
the external connection copper bar is of a U-shaped structure, and a third through hole is formed in the external connection copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407320.2U CN213636235U (en) | 2020-10-26 | 2020-10-26 | Battery module output pole protection structure and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407320.2U CN213636235U (en) | 2020-10-26 | 2020-10-26 | Battery module output pole protection structure and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213636235U true CN213636235U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407320.2U Active CN213636235U (en) | 2020-10-26 | 2020-10-26 | Battery module output pole protection structure and battery module |
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| Country | Link |
|---|---|
| CN (1) | CN213636235U (en) |
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2020
- 2020-10-26 CN CN202022407320.2U patent/CN213636235U/en active Active
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