CN211766093U - Be applicable to electric bicycle battery module - Google Patents
Be applicable to electric bicycle battery module Download PDFInfo
- Publication number
- CN211766093U CN211766093U CN201922265269.3U CN201922265269U CN211766093U CN 211766093 U CN211766093 U CN 211766093U CN 201922265269 U CN201922265269 U CN 201922265269U CN 211766093 U CN211766093 U CN 211766093U
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- CN
- China
- Prior art keywords
- electric core
- battery module
- electric
- battery cell
- bottom plate
- Prior art date
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- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 230000001012 protector Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery module suitable for an electric bicycle, which comprises an upper bracket, an electric core, an insulating protective piece and a bottom plate, wherein the bottom plate is provided with an electric core groove, and the sizes of the electric core groove and the insulating protective piece are matched with the size of the electric core; the bottom of the battery cell is sleeved into the insulating protective piece and is placed into the battery cell groove, and the positive electrode of the battery cell is placed in the upper bracket accommodating port; the battery cell grooves are arranged according to the arrangement shape and the number of the accommodating ports. The utility model discloses simple structure, application scope is wide, thereby can overcome the shortcoming that current electric core module installation component is many, the installation is complicated, the radiating efficiency is low.
Description
Technical Field
The utility model relates to a battery technology field, in particular to be applicable to electric bicycle battery module.
Background
At present, a large amount of heat is generated in the operation of a cylindrical battery cell, so that the battery cell needs to be cooled and radiated to ensure that the battery cell reaches the optimal installation state in the operation, and the side surface cooling and the bottom surface cooling are commonly used. For the cooling mode of the side surface of the cylindrical battery core, the manufacturing difficulty of the cooling pipe is high, the installation efficiency is low, and the material cost is high. The problems of difficult installation, more used components and high production cost are solved by radiating the bottom of the cylindrical battery core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applicable to electric bicycle battery module, simple structure, application scope is wide, thereby can overcome the shortcoming that current electric core module installation component is many, the installation is complicated, the radiating efficiency is low.
In order to achieve the purpose, the utility model provides a battery module suitable for an electric bicycle, which comprises an upper bracket, an electric core, an insulating protective piece and a bottom plate, wherein the bottom plate is provided with an electric core groove, and the sizes of the electric core groove and the insulating protective piece are matched with the size of the electric core; the bottom of the battery cell is sleeved into the insulating protective piece and is placed into the battery cell groove, and the positive electrode of the battery cell is placed in the upper bracket accommodating port; the battery cell grooves are arranged according to the arrangement shape and the number of the accommodating ports.
Preferably, in the above technical scheme, the bottom plate is made of an aluminum plate, one surface of the bottom plate is provided with an electric core groove, and the other surface of the bottom plate is provided with a radiating fin.
Preferably, in the above technical solution, two adjacent electric core slots on the bottom plate are transversely communicated.
Preferably, in the above technical solution, the depth of the electrical core slot is 3-5 mm.
Preferably, in the above technical solution, the insulating protection member is made of polyethylene, epoxy resin or polyamide.
Preferably, in the above technical solution, the insulating protection member is a sleeve structure, one end of which is open and the other end of which is closed.
Preferably, in the above technical scheme, the insulating protective part includes a protective part body, a tray table higher than the bottom surface end is arranged at the inner side of the bottom of the protective part body, and a glue storage groove is formed between the tray table and the inner wall of the protective part body; a plurality of first through holes penetrating through the bottom of the protective piece body are formed in the supporting table; the side surface of the supporting platform is provided with a plurality of second through holes which are communicated with the glue storage groove and the outer side of the supporting platform.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in through set up the electric core groove on aluminum plate, the electric core is placed again after putting into insulating fender piece and is said in the electric core groove, has saved the lower carriage on the one hand, has practiced thrift manufacturing cost, and on the other hand makes the direct heat dissipation of electric core heat transmission to the bottom plate in for the radiating rate, effectively prolong electric core life-span.
2. The utility model discloses an insulating protective member can enclose into independent heat dissipation and isolation area with electric core, has avoided when single thermal runaway, stops this electric core and takes place chain reaction problem with other electric cores of heat transfer.
Drawings
Fig. 1 is an exploded view of a battery module for an electric bicycle according to the present invention;
fig. 2 is a schematic structural view of a battery module for an electric bicycle according to the present invention;
fig. 3 is a schematic structural view of a first insulating protector according to the present invention;
fig. 4 is a schematic structural view of a second insulating shield according to the present invention;
fig. 5 is a cross-sectional view of a second insulating shield according to the present invention.
Description of the main reference numerals:
1-upper support, 2-electric core, 3-insulating protective piece, 31-protective piece body, 32-glue storage groove, 33-support table, 34-first through hole, 35-second through hole, 4-bottom plate, 41-electric core groove, 42-radiating wing, 51-positive aluminum wire, 52-negative aluminum wire and 53-conductive aluminum bar.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and fig. 2, the battery module for an electric bicycle of the present invention includes an upper frame 1, an electric core 2, an insulating protective member 3 and a bottom plate 4, wherein the upper frame 1 is provided with a plurality of receiving openings into which the positive electrodes of the electric core 2 can be placed, and the plurality of receiving openings are arranged in an array as required; the bottom plate 4 is provided with a battery cell 41, the size of the battery cell 41 and the size of the insulating protective part 3 are both matched with the size of the battery cell 2, and the insulating protective part 3 and the battery cell 2 are placed in the bottom of the battery cell 2, and more specifically, the bottom of the battery cell 2 is sleeved in the insulating protective part 3 and then placed in the battery cell 41 together.
Further, in this embodiment, the upper bracket 1 is further provided with a glue inlet and a connection rib for installing and placing the conductive aluminum row 53. The preferable glue inlet is arranged between two adjacent accommodating ports; the shape of the conductive aluminum row 53 is matched with that of the connecting rib, the connecting rib can be in an S shape as shown in figure 1 or figure 2 when avoiding the glue inlet and the accommodating port, the effective space in the upper bracket 1 is utilized, the size of the battery module is minimized, and the energy density of the module is improved; the connecting ribs can also be in other shapes which are matched with the accommodating openings to form an array and are arranged as required. In order to facilitate welding, the positive aluminum wire 51 and the negative aluminum wire 52 are distributed on two sides of the conductive aluminum bar 53, so that ultrasonic nondestructive welding is facilitated, and production efficiency is improved.
Further, in this embodiment, the bottom plate 4 is preferably an aluminum plate, one surface of the bottom plate 4 is provided with the cell slots 41, and the cell slots 41 are arranged in an array shape and number according to the receiving openings. The other side of the bottom plate 4 is provided with radiating fins 42, and the radiating fins 42 may be in the shape of a convex strip, square wave, sawtooth wave, or the like. The further radiating fins 42 can be used as the outer part of the battery pack to radiate heat through the wind speed in the running process; and with above electric core groove 41 degree of depth preferred 3 ~ 5mm, guarantee that electric core and aluminum plate area of contact is great.
Further, in the present embodiment, the cell slots 41 in the bottom plate 4 are transversely communicated with the adjacent cell slots 41, so that when the beneficial device applies the AB mixed glue, the mixed glue only needs to be applied from the head part, i.e. flows to the tail part, thereby simplifying the steps of the production operation.
Further, in the present embodiment, the insulating protection member 3 is coated on the lower portion of the battery cell 2, and is used for insulating the battery cell from the bottom plate 4; the insulating shield 3 is preferably made of polyethylene, epoxy resin or polyamide.
Further, in this embodiment, the insulating protection member 3 may adopt a first circular sleeve structure as shown in fig. 3, one end of which is open and the other end of which is closed, and the closed end is inserted into the cell slot 41, and this structure is suitable for use in a small-capacity cell module.
Further, in this embodiment, the insulating protective element 3 may also adopt a second circular sleeve structure as shown in fig. 4 and fig. 5, and different from the first circular sleeve structure, the second insulating protective element 3 includes a protective element body 31, a tray 33 higher than the bottom end is arranged on the inner side of the bottom of the protective element body 31, a glue storage groove 32 is formed between the tray 33 and the inner wall of the protective element body 31, and a plurality of first through holes 34 penetrating through the bottom of the protective element body 31 are formed in the tray 33; further, in order to facilitate the circulation of heat or glue, a plurality of second through holes 35 are formed in the side surface of the pallet 33 to communicate the glue storage tank 32 with the outside of the pallet 33. This structure is particularly useful for the electric core of large capacity, and moreover because be large capacity electric core, the high heat yield, when injecting the heat dissipation glue in electric core groove 41 and will insulating the piece 3 and bottom plate 4 is fixed, glue enters into insulating the piece 3 and closely wraps up every electric core of formation independent insulating of electric core and heat dissipation district separation ability greatly promotion, effectively avoids the danger that the overheat effect takes place through first through-hole 34 and second through-hole 35.
During specific assembly, an insulating protective piece is sleeved on each battery cell negative electrode end, a battery cell groove of an aluminum plate which is provided with AB mixed glue is filled, then an upper support is placed (a containing opening in the upper support is provided with UV curing glue in advance), finally the conductive aluminum bar is adhered to the upper support through the AB mixed glue, and then ultrasonic welding equipment is used for bonding positive and negative aluminum wires.
To sum up, the utility model discloses in through set up the electric core groove on aluminum plate, during electric core placed way electric core groove again after putting into insulating fender spare, saved the lower carriage on the one hand, practiced thrift manufacturing cost, on the other hand makes electric core heat directly transmit the direct heat dissipation in the bottom plate for the radiating rate, effectively prolong electric core life-span.
It is to be understood that structures and their connections not specifically set forth in the specification are not necessarily achieved by prior art techniques.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A battery module suitable for an electric bicycle comprises an upper bracket, an electric core, an insulating protective piece and a bottom plate, and is characterized in that an electric core groove is formed in the bottom plate, and the sizes of the electric core groove and the insulating protective piece are matched with the size of the electric core;
the bottom of the battery cell is sleeved into the insulating protective piece and is placed into the battery cell groove, and the positive electrode of the battery cell is placed in the upper bracket accommodating port;
the battery cell grooves are arranged according to the arrangement shape and the number of the accommodating ports.
2. The battery module for electric bicycles of claim 1, wherein the bottom plate is made of aluminum plate, and the bottom plate has a core slot on one side and fins on the other side.
3. The battery module for electric bicycles of any of claims 1 to 2, wherein two adjacent cell slots of the base plate are laterally communicated.
4. The battery module for electric bicycles of any of claims 1 to 2, wherein the depth of the core hole is 3 to 5 mm.
5. The battery module for electric bicycles of claim 1, wherein the insulating protector is made of polyethylene, epoxy resin or polyamide.
6. The battery module for electric bicycles of claim 5, wherein the insulating protector is a sleeve structure with one end open and the other end closed.
7. The battery module suitable for the electric bicycle as claimed in claim 5, wherein the insulating protector comprises a protector body, a tray higher than the bottom surface end is arranged on the inner side of the bottom of the protector body, and a glue storage groove is formed between the tray and the inner wall of the protector body;
a plurality of first through holes penetrating through the bottom of the protective piece body are formed in the supporting table;
the side surface of the supporting platform is provided with a plurality of second through holes which are communicated with the glue storage groove and the outer side of the supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265269.3U CN211766093U (en) | 2019-12-17 | 2019-12-17 | Be applicable to electric bicycle battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265269.3U CN211766093U (en) | 2019-12-17 | 2019-12-17 | Be applicable to electric bicycle battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211766093U true CN211766093U (en) | 2020-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922265269.3U Active CN211766093U (en) | 2019-12-17 | 2019-12-17 | Be applicable to electric bicycle battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211766093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023151306A1 (en) * | 2022-02-11 | 2023-08-17 | 湖北亿纬动力有限公司 | Insulating support and battery module |
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2019
- 2019-12-17 CN CN201922265269.3U patent/CN211766093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023151306A1 (en) * | 2022-02-11 | 2023-08-17 | 湖北亿纬动力有限公司 | Insulating support and battery module |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210317 Address after: 678000 shuijingpo 8-1, Daying village committee, Jietou Township, Tengchong County, Baoshan City, Yunnan Province Patentee after: Zhang Chunyuan Address before: 518000 area a, 13th floor, building D, huilongda Industrial Park, Shilong community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GWKC NEW ENERGY TECHNOLOGY Co.,Ltd. |