CN118117219A - Single shell with elastic insulating paint structure, single assembly and battery pack - Google Patents
Single shell with elastic insulating paint structure, single assembly and battery pack Download PDFInfo
- Publication number
- CN118117219A CN118117219A CN202410517556.1A CN202410517556A CN118117219A CN 118117219 A CN118117219 A CN 118117219A CN 202410517556 A CN202410517556 A CN 202410517556A CN 118117219 A CN118117219 A CN 118117219A
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- CN
- China
- Prior art keywords
- insulating paint
- elastic
- layer
- housing
- outer side
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- Pending
Links
- 239000003973 paint Substances 0.000 title claims abstract description 86
- 239000002966 varnish Substances 0.000 claims description 8
- 239000000178 monomer Substances 0.000 abstract description 11
- 239000000306 component Substances 0.000 description 13
- 239000000872 buffer Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a single shell with an elastic insulating paint structure, a single assembly and a battery pack, wherein the single shell with the elastic insulating paint structure comprises a shell body and an elastic insulating paint structure, the shell body is provided with a bottom and a plurality of side parts, the bottom and the side parts are jointly enclosed to form a containing cavity with an open upper end, the containing cavity is used for containing a battery single, the elastic insulating paint structure comprises an elastic layer and an insulating paint layer, the elastic layer is arranged on the side parts, the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom, the outer side surface of the side part is convexly provided with a convex part embedded into the elastic layer, and the free end of the convex part extends outwards into the insulating paint layer and is reserved with the outer side surface of the insulating paint layer for a certain distance. The technical scheme provided by the invention can protect the insulating paint layer and ensure the tight support between the monomer components.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a single shell with an elastic insulating paint structure, a single assembly and a battery pack.
Background
The new forms of energy are the field of the current powerful development, core component in the new forms of energy field is the battery, the battery package is as a comparatively common structural style in the battery, the battery package generally includes the casing, and set up a plurality of monomer subassemblies in the casing, every monomer subassembly includes battery monomer, a plurality of monomer subassemblies set up in the casing side by side, a kind of technical route is through the tight of support between each monomer subassembly, in order to realize the monomer subassembly location in the casing, in order to avoid leading between the battery monomer, set up insulating paint layer at the shell of monomer subassembly, but so because be provided with insulating paint layer, the butt setting between the monomer subassembly is especially careful, avoid the butt force too big on the one hand, and lead to the damage of insulating paint layer, on the other hand avoid not having the butt, and lead to the monomer subassembly not to be located.
Disclosure of Invention
The invention mainly aims to provide a single shell with an elastic insulating paint structure, a single component and a battery pack, which aim to protect an insulating paint layer and simultaneously ensure the abutting between the single components.
To achieve the above object, the present invention provides a single body housing having an elastic insulating paint structure, comprising:
The shell body is provided with a bottom and a plurality of side parts, wherein the bottom and the side parts are jointly enclosed to form a containing cavity with an opening at the upper end, and the containing cavity is used for containing a battery cell; and
The elastic insulating paint structure comprises an elastic layer and an insulating paint layer, wherein the elastic layer is arranged on the plurality of side parts, and the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom;
the outer side face of the side portion is convexly provided with a protruding portion embedded into the elastic layer, the free end of the protruding portion extends outwards into the insulating paint layer, and a certain distance is reserved between the protruding portion and the outer side face of the insulating paint layer.
Optionally, the protrusion is integrally provided with a side portion of the housing body.
Optionally, the end surface of the free end of the convex part is arranged in a spherical surface.
Optionally, the protrusion is disposed proximate a lower end of the side portion.
Optionally, each side portion is provided with a plurality of the convex portions distributed up and down, and the convex portions located above have a smaller convex height than the convex portions located below.
Optionally, the elastic layer comprises an elastic paint layer.
Optionally, the upper end and the lower end of the elastic layer are exposed.
Optionally, the area of the convex portion occupies 0.001-0.005 times the area of the corresponding side portion.
The present invention also provides a unitary assembly comprising:
a battery cell; and
The single shell with the elastic insulating paint structure comprises a shell body and an elastic insulating paint structure, wherein the shell body is provided with a bottom and a plurality of side parts, the bottom and the side parts are jointly enclosed to form an accommodating cavity with an open upper end, the accommodating cavity is used for accommodating a battery single body, the elastic insulating paint structure comprises an elastic layer and an insulating paint layer, the elastic layer is arranged on the side parts, and the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom.
The present invention also provides a battery pack comprising:
A housing having an upper opening;
The battery pack comprises a plurality of single components, wherein the single components are arranged in the shell side by side, the side parts of the shell main bodies of the adjacent two single components are abutted against each other, the protruding parts of the side parts of the adjacent two single components are correspondingly arranged, the single components comprise a battery single body and a single shell with an elastic insulating paint structure, the single shell with the elastic insulating paint structure comprises a shell main body and an elastic insulating paint structure, the shell main body is provided with a bottom and a plurality of side parts, the bottom and the side parts jointly enclose a containing cavity with an upper end open, the containing cavity is used for containing a battery single body, the elastic insulating paint structure comprises an elastic layer and an insulating paint layer, the elastic layer is arranged on the side parts, and the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom.
According to the technical scheme, the single shell with the elastic insulating paint structure comprises a shell body and the elastic insulating paint structure, wherein the shell body is provided with a bottom and a plurality of side parts, the bottom and the side parts are jointly enclosed to form a containing cavity with an opening at the upper end, the containing cavity is used for containing a battery single body, the elastic insulating paint structure comprises an elastic layer and an insulating paint layer, the elastic layer is arranged on the side parts, the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom, a convex part embedded into the elastic layer is convexly arranged on the outer side surface of the side part, the free end of the convex part extends outwards into the insulating paint layer, and a certain distance is reserved between the free end of the convex part and the outer side surface of the insulating paint layer;
When a plurality of single components are placed in a shell of a battery pack, in two adjacent single shells with elastic insulating paint structures, insulating paint layers arranged at the side parts of two adjacent shell bodies are mutually abutted, because an elastic layer is arranged on the inner side of the insulating paint layers, the elastic layer can buffer part of impact, and the outer side surfaces of the side parts are convexly provided with convex parts embedded into the elastic layer, the free ends of the convex parts extend outwards into the insulating paint layers and are reserved with the outer side surfaces of the insulating paint layers by a certain distance, therefore, when the impact on the insulating paint layers is relatively large, the deformation of the elastic layer is relatively large, the side convex parts of the two adjacent shell bodies interact to buffer part of impact, and the side parts of the shell bodies are deformed through the convex parts acting on the side parts of the shell bodies to buffer pressure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a single housing with an elastic insulating paint structure according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a part of a structure of an embodiment of a battery pack (with a battery cell removed) according to the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described 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 be within the scope of the invention.
In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a battery pack, a single component and a single shell with an elastic insulating paint structure.
In order to protect the insulating paint layer and ensure the tight connection between the single components, the invention mainly improves the single shell with the elastic insulating paint structure.
Referring to fig. 1 to 2, the single body casing 102 with the elastic insulating paint structure includes a casing body 1 and an elastic insulating paint structure, the casing body 1 has a bottom and a plurality of side portions, the bottom and the plurality of side portions enclose together to form a containing cavity with an open upper end, the containing cavity is used for containing a battery single body, the elastic insulating paint structure includes an elastic layer 2 and an insulating paint layer 3, the elastic layer 2 is disposed on the plurality of side portions, and the insulating paint layer 3 is disposed on the outer side of the elastic layer 2 and the outer side of the bottom; the outer side surface of the side part is convexly provided with a convex part 4 embedded into the elastic layer 2, the free end of the convex part 4 extends outwards into the insulating paint layer 3, and a certain distance is reserved between the free end and the outer side surface of the insulating paint layer 3.
When a plurality of unit components 100b are placed in the case 100a of the battery pack 100, in the adjacent two unit cases 102 having the elastic insulating paint structure, the insulating paint layers 3 disposed at the sides of the adjacent two case bodies 1 are abutted against each other, because the inner sides of the insulating paint layers 3 are provided with the elastic layer 2, the elastic layer 2 buffers a part of the impact, and the outer side surfaces of the sides are protruded with the protrusions 4 embedded into the elastic layer 2, the free ends of the protrusions 4 extend outwards into the insulating paint layers 3, and a certain distance is reserved from the outer side surfaces of the insulating paint layers 3, and therefore, when the impact on the insulating paint layers 3 is relatively large, the deformation of the elastic layer 2 is relatively large, the side protrusions 4 disposed at the sides of the adjacent two case bodies 1 interact to buffer a part of the impact, and the sides of the case bodies 1 are deformed by the protrusions 4 to buffer the pressure, so that the side surfaces of the case bodies 1 can play a role of protecting the insulating paint layers 3, and thus, the technical scheme of the invention can enable the unit components 100 to be tightly protected against the insulating paint layers 3.
The protrusion 4 may be provided on a side portion of the housing body 1, the protrusion 4 may be integrally provided with the housing body 1, or may be provided separately, and in the embodiment of the present invention, the protrusion 4 may be integrally provided on a side portion of the housing body 1, so that the protrusion 4 may be integrally formed with the side portion of the housing body 1, for convenience of manufacture, a specific forming manner is not limited, and may be press-formed, cast-formed, or the like, and in other embodiments of the present invention, the protrusion 4 may be separately provided from the housing body 1 and attached to the side portion of the housing body 1, and the protrusion 4 may be provided as an insulating material, or an insulating material may be provided between the protrusion 4 and the housing body 1, so as to avoid, when the insulating paint layer 3 is broken, conducting between two adjacent housing bodies 1 through two adjacent protrusions 4.
The specific shape of the end surface of the free end of the protruding portion 4 is not limited, and in particular, in the embodiment of the present invention, the end surface of the free end of the protruding portion 4 is configured as a spherical surface, so as to avoid the damage of the free end of the protruding portion 4 to the insulating paint layer 3.
In the embodiment of the present invention, when only one protrusion 4 is provided near the lower end of the side portion, the distance between the protrusion 4 and the lower end of the case body 1 is smaller than the distance between the protrusion 4 and the upper end of the case body 1, and when a plurality of protrusions 4 are provided, the distance between the protrusion 4 located at the lowest position and the lower end of the case body 1 is smaller than the distance between the protrusion 4 located at the uppermost position and the upper end of the case body 1, compared with the case where the side portion of the case body 1 is less likely to deform itself as it is near the lower end, the insulating paint layer 3 at the lower end of the side portion is more likely to be damaged, and thus the protrusion 4 is provided near the lower end of the side portion, thereby providing a better effect of protecting the insulating paint layer 3.
In other embodiments of the present invention, each of the side portions is provided with a plurality of the protruding portions 4 distributed vertically, and the protruding height of the protruding portion 4 located above is smaller than the protruding height of the protruding portion 4 located below, compared with the side portion of the case body 1, which is less prone to deformation by itself as it is closer to the lower end, the insulating paint layer 3 at the lower end of the side portion is more prone to damage, and therefore the protruding height of the protruding portion 4 located above is smaller than the protruding height of the protruding portion 4 located below, so as to be able to function to better protect the insulating paint layer 3.
In the embodiment of the invention, the elastic layer 2 comprises an elastic paint layer, and obviously, the elastic layer 2 can also be in other forms and can be an elastic coating.
In the embodiment of the present invention, the upper end and the lower end of the elastic layer 2 are exposed, so as to facilitate the extension and deformation of the elastic layer 2 in the up-down direction, and of course, the periphery of the elastic layer 2 is exposed.
In the embodiment of the present invention, the area of the protrusion 4 (for a plurality of protrusions 4, the area of the plurality of protrusions 4) occupies 0.001-0.005 times the area of the corresponding side portion, so as to avoid that the area of the protrusion 4 is too large, which affects the layout of the elastic layer 2.
The cell assembly 100b includes a cell housing 102 having an elastic insulating paint structure, and the cell is disposed in the receiving cavity of the housing body 1. The unitary assembly 100b includes the unitary housing 102 of the above-described embodiments having a resilient insulating varnish structure. The specific structure of the single body housing 102 with the elastic insulating paint structure refers to the above embodiment, and since the single body assembly 100b adopts all the technical solutions of all the above embodiments, at least has all the beneficial effects brought by the technical solutions of the above embodiments, and will not be described in detail herein.
The battery pack 100 includes a housing 100a and a plurality of unit modules 100b, wherein the upper end of the housing 100a is open, the plurality of unit modules 100b are arranged in the housing 100a side by side, the side portions of the housing main bodies 1 of two adjacent unit modules 100b are abutted, and the protruding portions 4 of the side portions of the two adjacent housing main bodies 1 are correspondingly arranged, that is, in the battery pack 100 of the present invention, the plurality of unit modules 100b are mutually abutted to achieve positioning through the side portions. The battery pack 100 includes the single body case 102 having the elastic insulating paint structure of each of the above embodiments. The specific structure of the single body casing 102 with the elastic insulating paint structure refers to the above embodiment, and since the battery pack 100 adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A unitary housing having an elastomeric insulating paint structure comprising:
The shell body is provided with a bottom and a plurality of side parts, wherein the bottom and the side parts are jointly enclosed to form a containing cavity with an opening at the upper end, and the containing cavity is used for containing a battery cell; and
The elastic insulating paint structure comprises an elastic layer and an insulating paint layer, wherein the elastic layer is arranged on the plurality of side parts, and the insulating paint layer is arranged on the outer side of the elastic layer and the outer side of the bottom;
the outer side face of the side portion is convexly provided with a protruding portion embedded into the elastic layer, the free end of the protruding portion extends outwards into the insulating paint layer, and a certain distance is reserved between the protruding portion and the outer side face of the insulating paint layer.
2. The single body housing with an elastic insulating paint structure according to claim 1, wherein the convex portion is integrally provided with a side portion of the housing main body.
3. The single body housing with an elastic insulating varnish structure as claimed in claim 1, wherein the end surface of the free end of the protruding portion is provided in a spherical surface.
4. The one-piece housing having an elastic insulating paint structure according to claim 1, wherein the convex portion is provided near a lower end of the side portion.
5. The single body housing with an elastic insulating varnish structure as claimed in claim 1, wherein each of the side portions is provided with a plurality of the protrusions distributed up and down, and the protruding height of the protrusions located above is smaller than the protruding height of the protrusions located below.
6. The unitary housing having an elastomeric insulating varnish structure as recited in claim 1, wherein said elastomeric layer includes an elastomeric varnish layer.
7. The unitary housing having a resilient insulating varnish structure as recited in claim 1, wherein the upper and lower ends of the resilient layer are exposed.
8. The unitary housing having an elastomeric insulating varnish structure as in claim 1, wherein said protrusions occupy between 0.001 and 0.005 times the area of the corresponding side portions.
9. A unitary assembly, comprising:
a battery cell; and
A unitary housing having an elastomeric insulating varnish structure as in any one of claims 1 to 8.
10. A battery pack, comprising:
A housing having an upper opening;
The plurality of the single units according to claim 9 are arranged in the housing side by side, the side parts of the housing bodies of the two adjacent single units are abutted, and the convex parts of the side parts of the two adjacent housing bodies are correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410517556.1A CN118117219A (en) | 2024-04-28 | 2024-04-28 | Single shell with elastic insulating paint structure, single assembly and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410517556.1A CN118117219A (en) | 2024-04-28 | 2024-04-28 | Single shell with elastic insulating paint structure, single assembly and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118117219A true CN118117219A (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410517556.1A Pending CN118117219A (en) | 2024-04-28 | 2024-04-28 | Single shell with elastic insulating paint structure, single assembly and battery pack |
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| CN (1) | CN118117219A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205900605U (en) * | 2016-07-28 | 2017-01-18 | 浙江畅通科技有限公司 | Strenghthened type is able to bear or endure to fall lead acid battery and moulds shell |
| JP2018098075A (en) * | 2016-12-14 | 2018-06-21 | リチウム エナジー アンド パワー ゲゼルシャフト ミット ベシュレンクテル ハフッング ウント コンパニー コマンディトゲゼルシャフトＬｉｔｈｉｕｍ Ｅｎｅｒｇｙ ａｎｄ Ｐｏｗｅｒ ＧｍｂＨ ＆ Ｃｏ． ＫＧ | Power storage element and power storage device |
| CN114914592A (en) * | 2022-02-10 | 2022-08-16 | 中国第一汽车股份有限公司 | Insulating spraying battery case |
| CN220672698U (en) * | 2023-07-17 | 2024-03-26 | 苏州清陶新能源科技有限公司 | Battery case and battery |
-
2024
- 2024-04-28 CN CN202410517556.1A patent/CN118117219A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205900605U (en) * | 2016-07-28 | 2017-01-18 | 浙江畅通科技有限公司 | Strenghthened type is able to bear or endure to fall lead acid battery and moulds shell |
| JP2018098075A (en) * | 2016-12-14 | 2018-06-21 | リチウム エナジー アンド パワー ゲゼルシャフト ミット ベシュレンクテル ハフッング ウント コンパニー コマンディトゲゼルシャフトＬｉｔｈｉｕｍ Ｅｎｅｒｇｙ ａｎｄ Ｐｏｗｅｒ ＧｍｂＨ ＆ Ｃｏ． ＫＧ | Power storage element and power storage device |
| CN114914592A (en) * | 2022-02-10 | 2022-08-16 | 中国第一汽车股份有限公司 | Insulating spraying battery case |
| CN220672698U (en) * | 2023-07-17 | 2024-03-26 | 苏州清陶新能源科技有限公司 | Battery case and battery |
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