CN201338174Y - Large capacity battery safety valve welding positioning technical equipment - Google Patents
Large capacity battery safety valve welding positioning technical equipment Download PDFInfo
- Publication number
- CN201338174Y CN201338174Y CNU2008201444264U CN200820144426U CN201338174Y CN 201338174 Y CN201338174 Y CN 201338174Y CN U2008201444264 U CNU2008201444264 U CN U2008201444264U CN 200820144426 U CN200820144426 U CN 200820144426U CN 201338174 Y CN201338174 Y CN 201338174Y
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- Prior art keywords
- safety valve
- welding
- battery
- positioning
- battery safety
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- 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.)
- Expired - Fee Related
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- 238000003466 welding Methods 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
技术领域 technical field
本实用新型涉及一种电池工装定位焊接夹具，更具体的说，是涉及一种新型电池安全阀焊接工装。The utility model relates to a positioning welding jig for battery tooling, more specifically, relates to a new type of battery safety valve welding tooling.
背景技术 Background technique
锂离子电池与铅酸、镉镍等其他类型的电池相比具有比容量大、工作电压高、充电速度快、工作温度范围宽、循环寿命长、体积小、质量轻等优点。目前，已广泛应用于移动电话、笔记本电脑、电动工具等领域，并且其应用范围越来越广泛。Compared with other types of batteries such as lead-acid and nickel-cadmium, lithium-ion batteries have the advantages of large specific capacity, high working voltage, fast charging speed, wide working temperature range, long cycle life, small size, and light weight. At present, it has been widely used in mobile phones, notebook computers, electric tools and other fields, and its application range is becoming wider and wider.
随着电动汽车技术的成熟和日益完善，电动汽车，混合动力汽车走进日常生活的梦想已成为可能，并且在电动汽车普及的过程中孕育着巨大的商机。而车载大容量动力电池性能的优劣直接影响着电动汽车的整体性能。这为电动汽车车载动力电池提出了更高的要求(比如要具有更高的安全性，更优秀的性能，重量更轻)。电池的可靠性、安全性也是大容量动力电池制作过程中的一个技术难点和重点，特别是电池的高密封性，现在大容量电池的气密性要求更加严格，当容量高，内压相对较高，电池的焊缝熔点容易漏液或漏气，会给电池造成很大的安全隐患和电液挥发致电池性能寿命衰减等问题。当锂电池使用过程中如果焊接密封性能不好时，电池体内吸入空气中的水分与电池内的电液混合，或内部电解液挥发干涸结晶，将会导致电池性能和循环寿命衰减，内阻增大，影响锂电池各种参数性能，最终导致电池无法继续使用。因此可以专一设计一种针对大容量锂离子动力电池安全阀装配焊接定位工装，保证电池密封、保压作用。With the maturity and improvement of electric vehicle technology, the dream of electric vehicles and hybrid vehicles entering daily life has become possible, and there are huge business opportunities in the process of popularization of electric vehicles. The performance of the vehicle's large-capacity power battery directly affects the overall performance of the electric vehicle. This puts forward higher requirements (for example, higher safety, better performance, and lighter weight) for electric vehicle on-board power batteries. The reliability and safety of batteries are also a technical difficulty and key point in the production process of large-capacity power batteries, especially the high sealing performance of batteries. Now the air-tightness requirements of large-capacity batteries are more stringent. When the capacity is high, the internal pressure is relatively low. High, the welding seam melting point of the battery is easy to leak liquid or air, which will cause great safety hazards to the battery and problems such as battery performance life degradation caused by electro-hydraulic volatilization. When the lithium battery is in use, if the welding and sealing performance is not good, the moisture in the battery body sucked into the air mixes with the electrolyte in the battery, or the internal electrolyte evaporates, dries up and crystallizes, which will lead to attenuation of battery performance and cycle life, and increase of internal resistance. large, affecting the performance of various parameters of the lithium battery, and ultimately making the battery unusable. Therefore, it is possible to specifically design a welding and positioning tool for the safety valve assembly of large-capacity lithium-ion power batteries to ensure battery sealing and pressure maintaining.
实用新型内容 Utility model content
本实用新型的目的是克服传统动力电池中所存在的安全阀焊接工装缺点，彻底对现有的动力电池安全阀焊接工装进行重新改变，通过采用新型焊接定位工装结构来提高电池的焊接密封质量比，以提高电池质量和电池的安全性能，提供了一种大容量电池安全阀焊接定位工装。The purpose of this utility model is to overcome the shortcomings of the safety valve welding tooling in the traditional power battery, completely re-change the existing power battery safety valve welding tooling, and improve the welding and sealing quality ratio of the battery by adopting a new welding positioning tooling structure In order to improve battery quality and battery safety performance, a large-capacity battery safety valve welding positioning tool is provided.
本实用新型大容量电池安全阀焊接定位工装，所述工装由底板和设置于底板中部的电池安全阀定位柱组成。The utility model relates to a large-capacity battery safety valve welding positioning tool. The tooling is composed of a bottom plate and a battery safety valve positioning column arranged in the middle of the bottom plate.
本实用新型具有下述技术效果：The utility model has the following technical effects:
通过使用安全阀焊接定位工装结构，使安全阀套筒和电池壳盖安全阀孔实现精确的定位配合，防止了在焊接过程中由于定位不准发生焊接错位、焊接不牢等现象的发生。传统的焊接方式对壳盖不能加以固定，受到焊接温度过高的影响。钢质材质壳体容易发生过热形变的现象，在后续的装配中会出现装配密封性不好，导致电池性能变差的现象。而采用本实用新型可以将壳盖整体平面稳定固定在一平面上，有效的防止了焊接过热对金属壳体造成的热形变。By using the safety valve welding and positioning tooling structure, the safety valve sleeve and the safety valve hole of the battery case cover can be precisely positioned and matched, which prevents welding misalignment and weak welding due to inaccurate positioning during the welding process. The traditional welding method cannot fix the shell cover, which is affected by the high welding temperature. The steel shell is prone to overheating and deformation, and the assembly seal will be poor in subsequent assembly, resulting in poor battery performance. However, by adopting the utility model, the whole plane of the shell cover can be stably fixed on a plane, which effectively prevents thermal deformation of the metal shell caused by welding overheating.
本实用新型对于动力大容量电池安全阀焊接起到了有力的保障作用，可以满足大容量电池安全阀焊接工艺要求，同时此结构还设计有安全阀定位功能，可大大提高焊接装配效率，简化焊接工艺、工序，降低生产和产品的成本，提高产品装配质量，大大提高产品的市场竞争力。电池的焊接熔点密封性是大容量动力电池制作和设计过程中的一个关键技术重点和要求。此种焊接工装简化了装配工艺，提高了电池生产效率和产品的合格率。The utility model plays a powerful role in guaranteeing the safety valve welding of the power large-capacity battery, and can meet the welding process requirements of the large-capacity battery safety valve. At the same time, the structure is also designed with a safety valve positioning function, which can greatly improve the welding assembly efficiency and simplify the welding process. , process, reduce the cost of production and products, improve the quality of product assembly, and greatly improve the market competitiveness of products. The sealing of the welding melting point of the battery is a key technical focus and requirement in the process of manufacturing and designing large-capacity power batteries. This kind of welding tool simplifies the assembly process, improves the production efficiency of the battery and the qualified rate of the product.
附图说明 Description of drawings
图1为本实用新型电池安全阀焊接工装新结构的剖视图。Figure 1 is a cross-sectional view of the new structure of the battery safety valve welding tooling of the present invention.
具体实施方式 Detailed ways
以下结合附图和具体实施例对本实用新型详细说明：Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail:
本实用新型电池安全阀焊接工装新结构的示意图如图1所示，工装由底板1和设置于底板中部的电池安全阀定位柱2组成；工装底板采用PVC材质。其中焊接点3为电池盖安全阀孔与安全阀装配焊缝处，所述电池安全阀整体是不锈钢材质，电池盖板也是不锈钢材质采用激光焊接连接而成。在焊接工装底板上设置的电池安全阀定位柱，用于定位安全阀整体与电池上壳盖安全阀孔进行焊接前的配合。The schematic diagram of the new structure of the utility model battery safety valve welding tool is shown in Figure 1. The tool is composed of a
使用时将安全阀套筒和电池壳盖安全阀孔套于电池安全阀定位柱，配合好后，将安全阀和电池上壳盖安全阀孔之间的配合间隙进行激光焊接密封。When in use, the safety valve sleeve and the safety valve hole of the battery case cover are placed on the battery safety valve positioning post. After matching, the matching gap between the safety valve and the safety valve hole of the battery upper case cover is sealed by laser welding.
通过如上的改进措施，先前复杂的装配工艺得以极大的简化，焊缝轨迹熔点均处于平面上，保证了焊接的质量，在保证电池安全的基础之上，提高了电池的操作性和性能。Through the above improvement measures, the previous complex assembly process is greatly simplified, and the melting point of the weld track is on the plane, which ensures the quality of the welding, and improves the operability and performance of the battery on the basis of ensuring the safety of the battery.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201444264U CN201338174Y (en) | 2008-12-12 | 2008-12-12 | Large capacity battery safety valve welding positioning technical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201444264U CN201338174Y (en) | 2008-12-12 | 2008-12-12 | Large capacity battery safety valve welding positioning technical equipment |
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| Publication Number | Publication Date |
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| CN201338174Y true CN201338174Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201444264U Expired - Fee Related CN201338174Y (en) | 2008-12-12 | 2008-12-12 | Large capacity battery safety valve welding positioning technical equipment |
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| Country | Link |
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| CN (1) | CN201338174Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554481A (en) * | 2010-12-29 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Method for welding thermal battery casing |
| CN106736144A (en) * | 2016-12-08 | 2017-05-31 | 芜湖全程智能科技有限公司 | The assembly method of ABS magnetic valves transition sleeve and valve pocket |
| CN106735902A (en) * | 2016-12-08 | 2017-05-31 | 芜湖全程智能科技有限公司 | For ABS magnetic valves transition sleeve and the equipment of valve pocket assembling |
| CN112909389A (en) * | 2021-03-19 | 2021-06-04 | 江西安驰新能源科技有限公司 | Horizontal laminated battery cover plate and lithium battery thereof |
-
2008
- 2008-12-12 CN CNU2008201444264U patent/CN201338174Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554481A (en) * | 2010-12-29 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Method for welding thermal battery casing |
| CN106736144A (en) * | 2016-12-08 | 2017-05-31 | 芜湖全程智能科技有限公司 | The assembly method of ABS magnetic valves transition sleeve and valve pocket |
| CN106735902A (en) * | 2016-12-08 | 2017-05-31 | 芜湖全程智能科技有限公司 | For ABS magnetic valves transition sleeve and the equipment of valve pocket assembling |
| CN106735902B (en) * | 2016-12-08 | 2018-07-03 | 芜湖全程智能科技有限公司 | For ABS solenoid valves transition sleeve and the equipment of valve pocket assembling |
| CN106736144B (en) * | 2016-12-08 | 2018-07-03 | 芜湖全程智能科技有限公司 | The assembly method of ABS solenoid valves transition sleeve and valve pocket |
| CN112909389A (en) * | 2021-03-19 | 2021-06-04 | 江西安驰新能源科技有限公司 | Horizontal laminated battery cover plate and lithium battery thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20111212 |