CN209592095U - A kind of lithium battery group waterproof construction - Google Patents
A kind of lithium battery group waterproof construction Download PDFInfo
- Publication number
- CN209592095U CN209592095U CN201822061416.0U CN201822061416U CN209592095U CN 209592095 U CN209592095 U CN 209592095U CN 201822061416 U CN201822061416 U CN 201822061416U CN 209592095 U CN209592095 U CN 209592095U
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- China
- Prior art keywords
- lithium
- lower casing
- waterproof construction
- sealing ring
- upper cover
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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
Abstract
The utility model provides a kind of lithium battery group waterproof construction, it include: upper cover, lower casing, lithium-ion battery module, sealing ring, wherein, the lithium-ion battery module is arranged in the lower casing, the lithium-ion battery module is made of multiple battery core units, and the grouped aspect of the battery core unit is in parallel or series；The lithium-ion battery module is connected with protection circuit plate；The open end end face of the lower casing offers the seal groove that can accommodate the sealing ring, forms seal cavity using ultrasonic bonding between the upper cover and the lower casing.Lithium battery group waterproof construction provided by the utility model, reserved space that is simple and compact for structure, can effectively saving battery pack reduce equipment volume, improve specific energy, and ease of assembly, are suitable for large-scale production.
Description
Technical field
The utility model relates to battery technology fields, more particularly to a kind of water proofing of lithium battery structure.
Background technique
Lithium ion battery have many advantages, such as voltage is high, specific energy is high, be recycled often, storage time it is long, not only exist
Such as mobile phone, DV and laptop computer is used widely on portable electronic device, and is widely used in
In terms of the large and medium-sized electrical equipment such as electric car, electric bicycle and electric tool.
Due to the extensive use of lithium battery, the shape requirement of battery set product is all kinds of, and especially many equipment are pursued
It is small and exquisite portable, it is desirable that the energy density per unit volume of battery pack is higher.There is the requirement of waterproof, mesh for the battery pack that special dimension uses
Preceding common waterproofing design be waterproof apron or gasket are placed between upper lower casing again by way of lower casing on screw-driving come
It realizes, the shell mechanism of such battery pack needs to give screw reserved very big assembling structure space, the volume of battery pack is occupied,
The assembling structure volume for reducing screw just needs a kind of assembly structure design of compact, leaves a blank to save the pre- of battery pack
Between, reduce equipment volume, improves specific energy.
Utility model content
The technical problem to be solved by the present invention is to overcome drawbacks described above existing for well-known technique, and provide a kind of lithium
Battery pack waterproof construction, reserved space that is simple and compact for structure, can effectively saving battery pack reduce equipment volume, mention high specific energy
Amount, and ease of assembly are suitable for large-scale production.
The utility model is achieved through the following technical solutions, anti-according to a kind of lithium battery group provided by the utility model
Water-bound, comprising: upper cover, lower casing, lithium-ion battery module, sealing ring, wherein the lithium-ion battery module is arranged described
In lower casing, the lithium-ion battery module is made of multiple battery core units, and the grouped aspect of the battery core unit is in parallel or string
Connection；The lithium-ion battery module is connected with protection circuit plate；The open end end face of the lower casing offer can accommodate it is described
The seal groove of sealing ring forms seal cavity using ultrasonic bonding between the upper cover and the lower casing.
By setting sealing ring and ultrasonic bonding is used, upper cover and lower casing fusion are integrated, and can reach expected intensity
And waterproof effect.
The utility model can also take following technical scheme to further realize:
Lithium battery group waterproof construction above-mentioned, wherein the lower end surface of the upper cover is provided with ultrasonic wire welding, the lower casing
Open end end face be provided with supersonic welding wire casing corresponding with the ultrasonic wire welding.
Preferably, lithium battery group waterproof construction above-mentioned, wherein the sealing ring is silica gel sealing ring.Sealing effect ratio
General Purpose Rubber sealing ring is more preferable.
Preferably, lithium battery group waterproof construction above-mentioned, wherein the upper cover and lower casing are made of plastic material, described
Plastic material is PC or ABS.Select plastic material that entire battery component can be made lighter.
Lithium battery group waterproof construction above-mentioned, wherein the side wall of the lower casing is provided with connector, the protection circuit plate
On output line exported by the connector.
It is simple and compact for structure, can effectively save battery in conclusion lithium battery group waterproof construction provided by the utility model
The reserved space of group reduces equipment volume, improves specific energy, and ease of assembly, is suitable for large-scale production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Specific embodiment
Below in conjunction with attached drawing and preferred embodiment, the structure, feature and its effect of the utility model are made further detailed
Explanation.
As shown in Figure 1, the utility model provides a kind of lithium battery group waterproof construction, comprising: upper cover 3, lower casing 1, lithium ion
Battery component 4, sealing ring 2, wherein the lithium-ion battery module 4 is arranged in the lower casing 1, the Li-ion batteries piles
Part 4 is made of multiple battery core units, and the grouped aspect of the battery core unit is in parallel or series；The lithium-ion battery module connects
It is connected to protection circuit plate (not shown)；The open end end face of the lower casing 1 offers the seal groove that can accommodate the sealing ring
7, seal cavity is formed using ultrasonic bonding between the upper cover 3 and the lower casing 1.
By setting sealing ring and ultrasonic bonding is used, upper cover and lower casing fusion are integrated, and can reach expected intensity
And waterproof effect.
Present embodiment can be realized further by following structure:
Lithium battery group waterproof construction above-mentioned, wherein the lower end surface of the upper cover 3 is provided with ultrasonic wire welding 5, under described
The open end end face of shell is provided with supersonic welding wire casing 6 corresponding with the ultrasonic wire welding.
Preferably, lithium battery group waterproof construction above-mentioned, wherein the sealing ring 2 is silica gel sealing ring.Sealing effect ratio
General Purpose Rubber sealing ring is more preferable.
Preferably, lithium battery group waterproof construction above-mentioned, wherein the upper cover 3 and lower casing 1 are made of plastic material, institute
Stating plastic material is PC or ABS.Select plastic material that entire battery component can be made lighter.
Lithium battery group waterproof construction above-mentioned, wherein the side wall of the lower casing 1 is provided with connector 8, the protection circuit
Output line on plate is exported by the connector.
Assembling process is illustrated by taking 20 polymer battery strings and combined lithium-ion battery module 4 as an example below,
The battery component capacity is about 18Ah, is fitted into lower casing 1 after connecting circuit protection plate, output line on protection board is passed through connector
Sealing ring 2, is then placed in seal groove 7, upper cover 3 is placed on lower casing 1, ultrasonic wire welding 5 is made to fall in ultrasound by 8 outputs
In wave soldering wire casing 6, upper cover 3 and lower casing 1 are fused integrally using ultrasonic welding machine, form the battery with water-proof function
Group.The overall dimension of above-mentioned lithium battery group waterproof construction is about 250mm*80mm*70mm；And the use of identical appearance size
Screw-driving formula lithium battery group waterproof construction, product capacity are about 11Ah, and the lithium battery group waterproof construction of the utility model is significantly
Improve energy density per unit volume.
It is simple and compact for structure, can effectively save battery in conclusion lithium battery group waterproof construction provided by the utility model
The reserved space of group reduces equipment volume, improves specific energy, and ease of assembly, is suitable for large-scale production.
The above is only the preferred embodiment of the utility model, and all foundation the technical solution of the utility model are to above
Any simple modification and equivalents that embodiment carries out belong to the range of the utility model protection.
Claims (4)
1. a kind of lithium battery group waterproof construction, comprising: upper cover, lower casing, lithium-ion battery module, sealing ring, which is characterized in that institute
It states lithium-ion battery module to be arranged in the lower casing, the lithium-ion battery module is made of multiple battery core units, the electricity
The grouped aspect of core unit is in parallel or series；The lithium-ion battery module is connected with protection circuit plate；The lower casing is opened
Mouth end end face offers the seal groove that can accommodate the sealing ring, and ultrasonic bonding is used between the upper cover and the lower casing
Seal cavity is formed, the lower end surface of the upper cover is provided with ultrasonic wire welding, and the open end end face of the lower casing is provided with and institute
State the corresponding supersonic welding wire casing of ultrasonic wire welding.
2. lithium battery group waterproof construction according to claim 1, which is characterized in that the sealing ring is silica gel sealing ring.
3. lithium battery group waterproof construction according to claim 1, which is characterized in that the upper cover and lower casing are by plastic material
It is made, the plastic material is PC or ABS.
4. tight lithium battery group waterproof construction according to claim 1, which is characterized in that the side wall of the lower casing, which is provided with, to be connect
Plug-in unit, the output line in the protection circuit plate are exported by the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061416.0U CN209592095U (en) | 2018-12-07 | 2018-12-07 | A kind of lithium battery group waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061416.0U CN209592095U (en) | 2018-12-07 | 2018-12-07 | A kind of lithium battery group waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592095U true CN209592095U (en) | 2019-11-05 |
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ID=68348691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822061416.0U Active CN209592095U (en) | 2018-12-07 | 2018-12-07 | A kind of lithium battery group waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242566A (en) * | 2020-11-09 | 2021-01-19 | 东莞维科电池有限公司 | Infiltration method of lithium ion battery |
-
2018
- 2018-12-07 CN CN201822061416.0U patent/CN209592095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242566A (en) * | 2020-11-09 | 2021-01-19 | 东莞维科电池有限公司 | Infiltration method of lithium ion battery |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 4-6, Lanyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin 300384 Patentee after: Tianjin Lantian Special Power Technology Co.,Ltd. Address before: No. 6 Lanyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin 300384 Patentee before: TIANJIN LISHEN SPECIAL POWER TECHNOLOGY CO.,LTD. |