CN205050948U - Prevent falling type lithium ion battery - Google Patents
Prevent falling type lithium ion battery Download PDFInfo
- Publication number
- CN205050948U CN205050948U CN201520807009.3U CN201520807009U CN205050948U CN 205050948 U CN205050948 U CN 205050948U CN 201520807009 U CN201520807009 U CN 201520807009U CN 205050948 U CN205050948 U CN 205050948U
- Authority
- CN
- China
- Prior art keywords
- shock attenuation
- elastic shock
- attenuation cap
- cap
- circular port
- 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.)
- Expired - Fee Related
Links
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)
- Secondary Cells (AREA)
Abstract
The utility model provides a prevent falling type lithium ion battery, cell ontology's the flexible shock attenuation cap of both ends suit, elasticity shock attenuation cap includes the lateral wall and the roof of a body coupling, the circular port has been seted up at cell ontology's tip to the fixed suit of the lateral wall of elasticity shock attenuation cap on the roof of elasticity shock attenuation cap, and the check point at cell ontology both ends is corresponding with the circular port. The elasticity shock attenuation cap that lies in the cell ontology top is last elasticity shock attenuation cap, and it be last circular port to go up the circular port of offering on the roof of elasticity shock attenuation cap, and the inboard integrative fixedly connected with of lateral wall who goes up elasticity shock attenuation cap and the roof of last elasticity shock attenuation cap are parallel abrupt mutually, and abrupt position and cell ontology are corresponding. Offer opening a plurality of triangle -shaped, that open side down along its direction of height on the lateral wall of last elasticity shock attenuation cap. The elasticity shock attenuation cap that is located the cell ontology bottom is elasticity shock attenuation cap down, and the circular port of seting up on the roof of lower elasticity shock attenuation cap is the integrative fixedly connected with elasticity shock attenuation pipe in roof outside of circular port down, lower elasticity shock attenuation cap.
Description
Technical field
The utility model relates to a kind of lithium ion battery, particularly relates to a kind of drop-proof lithium ion battery.
Background technology
Energy density is high owing to having for lithium ion battery, memory-less effect, have extended cycle life, the excellent properties such as environmental protection and obtain fast development, and be widely used in multiple field.But, single cylindrical lithium ion battery needs to detect accordingly and transport after sealing or before PACK combination, the phenomenon that battery core is fallen is there will be unavoidably in test and transportation, especially the head of battery core and bottom are more vulnerable to damage, thus cause battery core appearance deformation, the situation of leakage and internal short-circuit occurs, causes some unnecessary scrapping and produce potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly can plays a protective role on battery, do not affect again the drop-proof lithium ion battery that battery uses and test.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of drop-proof lithium ion battery, comprise battery body, it is characterized in that, an elastic shock attenuation cap is equipped with in the top of battery body and bottom respectively fixed cover, elastic shock attenuation cap comprises sidewall and the roof of one connection, the sidewall of elastic shock attenuation cap is fixedly set in the end of battery body, and the roof of elastic shock attenuation cap offers circular port, and the test point at battery body two ends is corresponding with circular port.
According to described drop-proof lithium ion battery, it is characterized in that, the elastic shock attenuation cap being positioned at described battery body top is upper elastic shock attenuation cap, the circular port that the roof of upper elastic shock attenuation cap is offered is upper circular port, the inside sidewalls of upper elastic shock attenuation cap is integrally fixedly connected with the ridge parallel to each other with the roof of upper elastic shock attenuation cap, and the position of ridge is corresponding with battery body.
According to described drop-proof lithium ion battery, it is characterized in that, the sidewall of described upper elastic shock attenuation cap offers multiple leg-of-mutton, the gap that Open Side Down along its short transverse.
According to described drop-proof lithium ion battery, it is characterized in that, the elastic shock attenuation cap being positioned at described battery body bottom is lower elastic shock attenuation cap, and the circular port that the roof of lower elastic shock attenuation cap is offered is lower circular port, is integrally fixedly connected with elastic shock attenuation pipe outside the roof of lower elastic shock attenuation cap.
According to described drop-proof lithium ion battery, it is characterized in that, described elastic shock attenuation pipe is multisection type isolating construction.
According to described drop-proof lithium ion battery, it is characterized in that, the whole height h of described elastic shock attenuation cap is the 10-35% of described battery body height; The wall thickness d of elastic shock attenuation cap is 1-8mm.
According to described drop-proof lithium ion battery, it is characterized in that, the radius R of described circular port is the 5-85% of described battery body section radius.
The utility model has all set up elastic shock attenuation cap on its top and bottom on the basis of original cylindrical lithium ion battery, when lithium ion battery falls accidentally, can play cushioning effect, protects whole lithium ion battery from damage.Meanwhile, the roof of elastic shock attenuation cap has circular port, do not affect normal detection and the use of lithium ion battery, this structure is simple, convenient and practical, utilize and promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the main TV structure schematic diagram of upper elastic shock attenuation cap in the utility model;
Fig. 3 is the plan structure schematic diagram of upper elastic shock attenuation cap in the utility model.
In accompanying drawing:
1, battery body; 2, ridge; 3, upper circular port; 4, upper elastic shock attenuation cap; 5, lower elastic shock attenuation cap; 6, elastic shock attenuation pipe; 7, lower circular port; 8, gap.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
A kind of drop-proof lithium ion battery, as depicted in figs. 1 and 2, comprise battery body 1, an elastic shock attenuation cap is equipped with in the top of battery body 1 and bottom respectively fixed cover, elastic shock attenuation cap comprises sidewall and the roof of one connection, the sidewall of elastic shock attenuation cap is fixedly set in the end of battery body 1, and the roof of elastic shock attenuation cap offers circular port, and the test point at battery body 1 two ends is corresponding with circular port.The elastic shock attenuation cap being positioned at described battery body 1 top is upper elastic shock attenuation cap 4, the circular port that the roof of upper elastic shock attenuation cap 4 is offered is upper circular port 3, the inside sidewalls of upper elastic shock attenuation cap 4 is integrally fixedly connected with the ridge 2 parallel to each other with the roof of upper elastic shock attenuation cap 4, and the position of ridge 2 is corresponding with battery body 1.The sidewall of described upper elastic shock attenuation cap 4 offers multiple leg-of-mutton, the gap 8 that Open Side Down along its short transverse.
In the present embodiment, the elastic shock attenuation cap being positioned at described battery body 1 bottom is lower elastic shock attenuation cap 5, and the circular port that the roof of lower elastic shock attenuation cap 5 is offered is lower circular port 7, is integrally fixedly connected with elastic shock attenuation pipe 6 outside the roof of lower elastic shock attenuation cap 5.Described elastic shock attenuation pipe 6 is multisection type isolating construction.
In the present embodiment, the whole height h of described elastic shock attenuation cap is the 10-35% of described battery body 1 height; The wall thickness d of elastic shock attenuation cap is 1-8mm.The radius R of described circular port is the 5-85% of described battery body 1 section radius.
The utility model overlaps elastic shock attenuation cap respectively on the top of cylindrical lithium ion battery and bottom, elastic shock attenuation cap global shape is for adapt with cylindrical lithium ion, and during making, the height of elastic shock attenuation cap is 15% of lithium battery height, the thickness of elastic shock attenuation cap is homogeneous, is 3mm.The roof of elastic shock attenuation cap has circular port, and the radius of circular port is 30% of battery radius.The manufacture material of elastic shock attenuation cap is dielectric resilience polymer composite, as: ethylene-vinyl acetate EVA, rubber, styrene-butadiene one styrene (SBS), styrene-isoprene-phenylethene (SIS) etc.
Application of the present utility model both played a protective role to cylindrical lithium ion battery, did not affect again using and testing of battery, and structure is simple, convenient and practical.
Claims (7)
1. a drop-proof lithium ion battery, comprise battery body (1), it is characterized in that, an elastic shock attenuation cap is equipped with in the top of battery body (1) and bottom respectively fixed cover, elastic shock attenuation cap comprises sidewall and the roof of one connection, the sidewall of elastic shock attenuation cap is fixedly set in the end of battery body (1), and the roof of elastic shock attenuation cap offers circular port, and the test point at battery body (1) two ends is corresponding with circular port.
2. drop-proof lithium ion battery according to claim 1, it is characterized in that, the elastic shock attenuation cap being positioned at described battery body (1) top is upper elastic shock attenuation cap (4), the circular port that the roof of upper elastic shock attenuation cap (4) is offered is upper circular port (3), the inside sidewalls of upper elastic shock attenuation cap (4) is integrally fixedly connected with the ridge (2) parallel to each other with the roof of upper elastic shock attenuation cap (4), and the position of ridge (2) is corresponding with battery body (1).
3. drop-proof lithium ion battery according to claim 2, is characterized in that, the sidewall of described upper elastic shock attenuation cap (4) offers multiple leg-of-mutton, the gap (8) that Open Side Down along its short transverse.
4. drop-proof lithium ion battery according to claim 1, it is characterized in that, the elastic shock attenuation cap being positioned at described battery body (1) bottom is lower elastic shock attenuation cap (5), the circular port that the roof of lower elastic shock attenuation cap (5) is offered is lower circular port (7), is integrally fixedly connected with elastic shock attenuation pipe (6) outside the roof of lower elastic shock attenuation cap (5).
5. drop-proof lithium ion battery according to claim 4, is characterized in that, described elastic shock attenuation pipe (6) is multisection type isolating construction.
6. drop-proof lithium ion battery according to claim 1, is characterized in that, the whole height h of described elastic shock attenuation cap is the 10-35% of described battery body (1) height; The wall thickness d of elastic shock attenuation cap is 1-8mm.
7. drop-proof lithium ion battery according to claim 1, is characterized in that, the radius R of described circular port is the 5-85% of described battery body (1) section radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807009.3U CN205050948U (en) | 2015-10-19 | 2015-10-19 | Prevent falling type lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807009.3U CN205050948U (en) | 2015-10-19 | 2015-10-19 | Prevent falling type lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050948U true CN205050948U (en) | 2016-02-24 |
Family
ID=55344493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807009.3U Expired - Fee Related CN205050948U (en) | 2015-10-19 | 2015-10-19 | Prevent falling type lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050948U (en) |
-
2015
- 2015-10-19 CN CN201520807009.3U patent/CN205050948U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |