CN117175158A - Protective structure for anode and cathode posts of battery pack - Google Patents
Protective structure for anode and cathode posts of battery pack Download PDFInfo
- Publication number
- CN117175158A CN117175158A CN202311180407.2A CN202311180407A CN117175158A CN 117175158 A CN117175158 A CN 117175158A CN 202311180407 A CN202311180407 A CN 202311180407A CN 117175158 A CN117175158 A CN 117175158A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- cover
- protective cover
- battery pack
- protective
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 71
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 4
- 238000012356 Product development Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a protective structure for a positive pole and a negative pole of a battery pack. Belongs to the technical field of battery pack covers. The pole protection structure mainly solves the problems of various parts, various installation steps, low installation efficiency and longer product development period of the existing pole protection structure. The main characteristics of the device are as follows: the device comprises an upper cover, wherein two sides of the upper cover are respectively provided with an upper cover pole mounting surface; the two sides of the upper cover are respectively connected with a protective cover which can seal at least one side surface of the exposed part of the pole; the protective cover is made of insulating materials. The invention has the characteristics of protecting the anode and the cathode of the battery, effectively ensuring the tightness of the upper cover, reducing the types of parts, reducing the development period and the cost of products and improving the assembly efficiency, and is mainly used for protecting the pole of the lithium ion power battery.
Description
Technical Field
The invention belongs to the technical field of battery pack upper covers, and particularly relates to a protection structure for positive and negative poles of a battery pack.
Background
The lithium ion power battery is widely applied to the fields of new energy pure electric vehicles and hybrid new energy vehicles, and along with the maturity of technology and the simplification of working procedures, the lithium ion power battery cannot fall off in the whole vehicle running process, and the light-weight requirement of market products also puts forward new requirements on the protection of polar columns. The battery pack anode and cathode post protection structure can effectively ensure the insulation safety performance of the anode and the cathode of the battery pack, is compatible with the use requirements of different products, can reduce the types of the parts, reduce the development period and the cost of the products and improve the assembly efficiency, and has the advantages of being large in overall size and multiple in installation steps, reducing the types of the parts and improving the installation efficiency.
Disclosure of Invention
The invention aims to provide a protective structure for positive and negative poles of a battery pack.
The technical scheme of the invention is as follows: the utility model provides a positive negative pole post protective structure of battery package, includes the upper cover, the both sides of upper cover are equipped with upper cover utmost point post installation face, characterized by respectively: the two sides of the upper cover are respectively connected with a protective cover which can seal at least one side surface of the exposed part of the pole; the protective cover is made of insulating materials.
In the technical scheme of the invention, the mounting surface of the upper cover pole is adjacent to the first upper cover surface and the second upper cover surface which are mutually adjacent on the upper cover and are mutually vertical; the protective cover is hinged on the second upper cover surface; when the protective cover is put down and closed, a closed cavity is formed with the first upper cover surface, the second upper cover surface and the upper cover pole mounting surface.
The second upper cover surface is provided with an upper cover groove; the two side walls of the upper cover groove are provided with rotating shaft assembly holes; the protective cover is provided with a protective cover rotating shaft which is arranged on the rotating shaft assembly hole.
According to the technical scheme, the protective cover rotating shaft is of a hollow structure, and a slope boss is arranged on the side portion of the protective cover rotating shaft.
The protective cover in the technical proposal of the invention also comprises a connecting plate, three-surface cover plates and an opening boss; the inner side cover plate of the three-side cover plate is connected with the protective cover through the connecting plate in a rotating shaft mode, and the opening boss is arranged at the bottom of the outer side cover plate of the three-side cover plate.
According to the technical scheme, the bottom of the upper cover groove is provided with a limiting boss.
The upper cover is provided with a hemispherical groove in the technical proposal of the invention; the lateral part of the protective cover is provided with a hemispherical boss matched with the hemispherical groove.
The upper cover in the technical proposal of the invention is provided with an upper cover anode or cathode mark; the protective cover is provided with a protective cover anode or cathode mark.
According to the technical scheme, the hollow shape of the rotating shaft of the protective cover is round, elliptical, rectangular or oblong, and the outer diameter is 2-12 mm; the depth of the upper cover groove is 3-50 mm, and the width of the upper cover groove is 5-60 mm; the width of the limiting boss is 2-10 mm, the thickness of the limiting boss is 2-6 mm, and the height of the limiting boss is 1-10 mm; the opening boss is an outwards protruding edge, the length of the opening boss is equal to that of the whole protective cover, the width of the opening boss is 2-20 mm, and the thickness of the opening boss is 2-5 mm.
The radius of the hemispherical groove is 0.5-5 mm in the technical scheme.
The invention adopts the protective structure of the positive and negative poles of the battery pack, which is composed of the upper cover, the pole and the protective cover, wherein the protective cover is hinged on the upper cover, at least one side surface of the exposed part of the pole can be sealed, and the protective cover is made of insulating materials, so that the protective cover can protect the positive and negative poles of the battery, prevent the positive and negative poles of the battery from being contacted with other conductors to generate extreme conditions such as short circuit, effectively ensure the insulating protective performance of the upper cover, meet the use requirements of different products, reduce the types of parts, reduce the development period and the cost of the products and improve the assembly efficiency.
The invention has the characteristics of protecting the anode and the cathode of the battery, effectively ensuring the insulation and protection performance of the upper cover, having a certain rain-proof function, reducing the types of parts, reducing the development period and the cost of products and improving the assembly efficiency, and is mainly used for protecting the pole of the lithium ion power battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the assembly of the protective cover of the present invention.
Fig. 2 is a schematic view of the upper cover pole and surrounding structure of the present invention.
Fig. 3 is a schematic view of the protective cover of the present invention.
Reference numerals: 1-an upper cover; 1-1-upper cover grooves; 1-2-a rotating shaft assembly hole; 1-3 of a limit boss; 1-4-hemispherical recesses; 1-5-upper cover positive pole cross mark; 2-a protective cover; 2-1-a protective cover rotating shaft; 2-2-connecting plates; 2-3-ramp bosses; 2-4-hemispherical bosses; 2-5-opening the boss; 2-6-a cross mark of a positive pole of the protective cover; 3-pole.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 to 3, an embodiment of a protection structure for a positive electrode and a negative electrode of a battery pack according to the present invention includes an upper cover 1 and a protection cover 2, where the protection cover 2 is made of an insulating material and has good insulation performance.
The upper cover 1 comprises an upper cover main body and an upper cover convex body protruding outwards from the upper cover main body. Rectangular notches are arranged on two sides of the upper part of the upper cover convex body and are used for installing the pole 3. The surface of the upper cover convex body beside the rectangular notch is correspondingly provided with upper cover positive pole cross marks 1-5 and upper cover positive pole straight marks (not shown in the figure). The rectangular notch is composed of a first upper cover surface, a second upper cover surface and an upper cover pole column mounting surface, wherein the first upper cover surface is positioned on the upper cover main body, the second upper cover surface is a side surface of an upper cover convex body between the positive pole and the negative pole, and the upper cover pole column mounting surface 2 is a side surface adjacent to the second upper cover surface on the upper cover convex body. The upper cover pole mounting surface, the first upper cover surface and the second upper cover surface are adjacent and mutually perpendicular. The pole 3 comprises a positive pole and a negative pole which are respectively arranged at two sides of the upper cover 1 and are hermetically arranged on the pole mounting surface of the upper cover. The first upper cover surface is provided with a hemispherical groove 1-4, and the radius of the hemispherical groove 1-4 is 0.5-5 mm.
The second upper cover surface is provided with an upper cover groove 1-1, the upper cover groove 1-1 is a rectangular groove, the depth of the upper cover groove 1-1 is 3-50 mm, the width is 5-60 mm, and the maximum opening angle of the protective cover 2 can be limited according to the width. The two side walls of the upper cover groove 1-1 are provided with rotating shaft assembly holes 1-2 which are unsealed assembly holes. The rotating shaft assembly hole 1-2 is provided with a groove, so that the protective cover 2 can be opened to a sufficient angle. The upper cover groove 1-1 is equipped with spacing boss 1-3 near outside middle part in the bottom, and spacing boss 1-3's width is 2~10mm, and thickness is 2~6mm, and highly is 1~10mm, and its high closed position that can spacing protective cover 2 carries out spacingly to protective cover 2 closed position.
The protective cover 2 is composed of a protective cover rotating shaft 2-1, a connecting plate 2-2, three-face cover plates and an opening boss 2-5. The protective cover rotating shaft 2-1 is of a hollow structure, the hollow shape is round, oval or oblong, the outer diameter is 2-12 mm, enough deformation space is provided for the slope boss, and the slope boss 2-3 is arranged on the side portion, so that the protective cover 2 cannot be separated when the protective cover 2 is opened by 90 degrees after being assembled with the rotating shaft assembling hole 1-2, the protective cover rotating shaft 2-1 is arranged on the rotating shaft assembling hole 1-2, and therefore, the protective cover rotating shaft 2-1 is guaranteed to be arranged in the rotating shaft assembling hole 1-2, and the slope boss 2-3 has enough deformation space and cannot be damaged. The connecting plate 2-2 is connected between the protecting cover rotating shaft 2-1 and the inner cover plate of the three-surface cover plate. The three-sided cover plate consists of an inner side cover plate, a top cover plate and an outer side cover plate, is a rectangular three-sided closed cavity, and is matched with the limit boss 1-3. The opening boss 2-5 is arranged at the bottom of the outer cover plate of the three-face cover plate, is an outwards protruding edge, has the length equal to that of the whole protective cover 2, has the width of 2-20 mm and the thickness of 2-5 mm, and is convenient to open manually. The lateral part of the cover plate outside the protective cover 2 is provided with a hemispherical boss 2-4 which is matched with the hemispherical groove 1-4, so that the protective cover 2 can not deviate from or generate abnormal sound in the whole vehicle running process. The protective cover 2 is hinged on the upper cover 1 through a protective cover rotating shaft 2-1, and when the protective cover 2 is put down to be closed, a closed cavity is formed with the first upper cover face, the second upper cover face and the upper cover pole mounting face. The upper surface of the top cover plate of the three-side cover plate is provided with protective cover positive pole cross marks 2-6, and the upper surface of the top cover plate of the other three-side cover plate is provided with protective cover positive pole straight marks (not shown in the figure). The protective cover 2 combines the upper cover 1 together, can form the omnidirectional protection to the utmost point post 3, and the extreme cases such as short circuit take place for the positive and negative pole of protection battery and other electric conductors contact, and any opening angle can't deviate from, effectively avoids customer maloperation to dismantle.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a positive negative pole post protective structure of battery package, includes upper cover (1), the both sides of upper cover (1) are equipped with upper cover utmost point post installation face, characterized by respectively: the two sides of the upper cover (1) are respectively connected with a protective cover (2) which can seal at least one side surface of the exposed part of the pole (3); the protective cover (2) is made of insulating materials.
2. The battery pack positive and negative electrode post protection structure according to claim 1, characterized in that: the upper cover pole mounting surface is adjacent to a first upper cover surface and a second upper cover surface which are mutually adjacent on the upper cover (1) and are mutually vertical; the protective cover (2) is hinged on the second upper cover surface; when the protective cover (2) is put down and closed, a closed cavity is formed with the first upper cover surface, the second upper cover surface and the upper cover pole mounting surface.
3. The battery pack positive and negative electrode post protection structure according to claim 2, characterized in that: an upper cover groove (1-1) is formed in the second upper cover surface; the two side walls of the upper cover groove (1-1) are provided with rotating shaft assembly holes (1-2); the protective cover (2) is provided with a protective cover rotating shaft (2-1), and the protective cover rotating shaft (2-1) is arranged on the rotating shaft assembly hole (1-2).
4. The battery pack positive and negative electrode post protection structure according to claim 3, wherein: the protective cover rotating shaft (2-1) is of a hollow structure, and a slope boss (2-3) is arranged on the side part of the protective cover rotating shaft.
5. The protective structure of positive and negative poles of a battery pack according to claim 4, wherein: the protective cover (2) further comprises a connecting plate (2-2), three-surface cover plates and an opening boss (2-5); the inner side cover plate of the three-side cover plate is connected with the protective cover rotating shaft (2-1) through the connecting plate (2-2), and the opening boss (2-5) is arranged at the bottom of the outer side cover plate of the three-side cover plate.
6. The battery pack positive and negative electrode post protection structure according to claim 5, wherein: the bottom of the upper cover groove (1-1) is provided with a limit boss (1-3).
7. The battery pack positive and negative electrode post protection structure according to any one of claims 1 to 6, characterized in that: the upper cover (1) is provided with a hemispherical groove (1-4); the side part of the protective cover (2) is provided with a hemispherical boss (2-4) matched with the hemispherical groove (1-4).
8. The battery pack positive and negative electrode post protection structure according to any one of claims 1 to 6, characterized in that: an upper cover anode or cathode mark is arranged on the upper cover (1); the protective cover (2) is provided with a protective cover anode or cathode mark.
9. The battery pack positive and negative electrode post protection structure according to claim 6, wherein: the hollow shape of the protective cover rotating shaft (2-1) is round, oval or oblong, and the outer diameter is 2-12 mm; the depth of the upper cover groove (1-1) is 3-50 mm, and the width is 5-60 mm; the width of the limiting boss (1-3) is 2-10 mm, the thickness is 2-6 mm, and the height is 1-10 mm; the opening boss (2-5) is an outwards protruding edge, the length of the opening boss is equal to that of the whole protective cover (2), the width of the opening boss is 2-20 mm, and the thickness of the opening boss is 2-5 mm.
10. The battery pack positive and negative electrode post protection structure according to claim 7, wherein: the radius of the hemispherical groove (1-4) is 0.5-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180407.2A CN117175158A (en) | 2023-09-13 | 2023-09-13 | Protective structure for anode and cathode posts of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180407.2A CN117175158A (en) | 2023-09-13 | 2023-09-13 | Protective structure for anode and cathode posts of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117175158A true CN117175158A (en) | 2023-12-05 |
Family
ID=88935254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311180407.2A Pending CN117175158A (en) | 2023-09-13 | 2023-09-13 | Protective structure for anode and cathode posts of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117175158A (en) |
-
2023
- 2023-09-13 CN CN202311180407.2A patent/CN117175158A/en active Pending
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