CN209183600U - A kind of high-intensitive biological steel lithium ion battery case - Google Patents
A kind of high-intensitive biological steel lithium ion battery case Download PDFInfo
- Publication number
- CN209183600U CN209183600U CN201822085123.6U CN201822085123U CN209183600U CN 209183600 U CN209183600 U CN 209183600U CN 201822085123 U CN201822085123 U CN 201822085123U CN 209183600 U CN209183600 U CN 209183600U
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- China
- Prior art keywords
- battery case
- lithium ion
- battery
- outer housing
- intensitive
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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.)
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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
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of high-intensitive biological steel lithium ion battery case, including internal layer battery case and outermost battery shell, internal layer battery case includes inner housing and upper cover plate, the outermost battery shell includes outer housing and lower support baseboard, using the structure setting of bilayer cells shell, greatly enhance the intensity of battery, avoid external force damage, by in inner housing and the respectively arranged reinforcing rib of outer housing, while proof strength, the material utilization amount for alleviating battery case to greatest extent, reduces the self weight of production cost and battery.By being arranged at the top of outer case inside and the rubber buffer column and rubber buffer of lower support baseboard, the buffer capacity of battery is greatly enhanced, avoids sharply shaking for battery caused by automobile bumpiness in driving process and influence the tightness of connection.There is important meaning to the safe handling of lithium ion battery.
Description
Technical field
The utility model relates to automobile power cell technical field, specially a kind of high-intensitive biological steel lithium ion battery
Shell.
Background technique
New-energy automobile is because its environmental protection silent is pollution-free, and the welcome by the majority of consumers, automobile sales volume increasingly increase,
Core of the lithium ion battery as New-energy electric vehicle, importance are self-evident；Existing electric car lithium ion power electricity
The shell in pond generally selects aluminium alloy or thickeies plastics；The conductive energy of the battery case shell of aluminium alloy, is encountering damage
When be easy to happen internal short-circuit；The battery case of plastics avoids conductive defect, but it is to guarantee that it is certain mechanical strong that it has
Degree, so thickness is all very thick, 5-10 times of the aluminum alloy battery shell weight of the identical capacity of the weight ratio of the battery case of plastics；And aluminium alloy
The common feature of battery case and plastic battery shell is all that mechanical strength is lower, is easily broken during vehicle collision.It is existing
After colliding, because electrolyte is caused to be revealed for cell fracture vehicle fire burning occurs for electric car, and inside battery is damaged
Battery case is that vehicle fire combustion problem caused by battery short circuit caused by conductor frequent occurrence, seriously restricts new energy afterwards
The development of lithium ion battery.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Utility model content
The purpose of this utility model is to provide a kind of high-intensitive biological steel lithium ion battery cases, at least to solve existing electricity
Pond shell weight weight, intensity is low, is easily broken and reveals problem on fire.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of high-intensitive biological steel lithium ion battery case, comprising:
Internal layer battery case, for the internal layer battery case for wrapping up core of lithium ion cell, the internal layer battery case includes inner casing
Body and upper cover plate, the inner housing are the box like structure of opening upwards, and the lateral wall of the inner housing is provided with spacing distribution
Waling, stating upper cover plate is tabular, and the upper cover plate is closely contacted on the top of the inner housing, and the upper cover plate is provided with
Electrode column；
Outermost battery shell, the outermost battery valve jacket is located at outside the internal layer battery case, for reinforcing the strong of battery case
Degree, the outermost battery shell include outer housing and lower support baseboard, and the outer housing is the box like structure that Open Side Down, described outer
The side wall of shell is provided with heat release hole, the inner sidewall cross sectional dimensions of the outer housing and the lateral wall cross section of the inner housing
Size matching, the lower support baseboard are provided with rectangular preiection platform, the size of rectangular preiection and the outer housing inner sidewall
Size matching.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that the side wall of the outer housing is provided with spacing point
The cross reinforcing of cloth.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that the surrounding of the lower support baseboard is provided with more
A mounting hole, convenient for battery is fixed on battery compartment.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that the rectangular preiection platform of the lower support baseboard
Upper surface is provided with cushion.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that the inside top of the outer housing is provided with rubber
Glue bumper post.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that the top surface of the outer housing is provided with electricity
Pole column hole.
High-intensitive biological steel lithium ion battery case as described above, it is preferable that inner sidewall of the outer housing close to bottom is set
It is equipped with limited block, is provided with pilot hole on the limited block, convenient for assembling the lower support baseboard in the outer housing.
Compared with the immediate prior art, the technical solution that the utility model supplies has following excellent effect:
The utility model uses the structure setting of bilayer cells shell, greatly enhances the intensity of battery, avoids external force
Damage, by alleviating electricity to greatest extent while proof strength in inner housing and the respectively arranged reinforcing rib of outer housing
The material utilization amount of pond shell reduces the self weight of production cost and battery.By being arranged in the heat release hole of outer housing sidewall, in enhancing
The battery heat-sinking capability of shell avoids, cell damage caused by the improper temperature rise of battery；By being arranged on outer case inside top
The rubber buffer column and rubber buffer in portion and lower support baseboard, greatly enhance the buffer capacity of battery, avoid and run over
Sharply shaking for battery caused by automobile bumpiness in journey and influence connection tightness.Using new material biology steel, intensity is high, weight
Amount is light, greatly enhances the intensity of battery, there is important meaning to the use of lithium ion battery.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the biological steel lithium ion battery case structural schematic diagram of high intensity of the utility model specific embodiment；
Fig. 2 is the internal layer battery case explosive view of the utility model specific embodiment；
Fig. 3 is the outermost battery shell explosive view of the utility model specific embodiment；
Fig. 4 is the outer housing bottom view of the utility model specific embodiment.
In figure: 1, inner housing；11, waling；2, upper cover plate；21, electrode column；3, outer housing；31, heat release hole；32,
Cross reinforcing；33, rubber buffer column；34, electrode post holes；35, limited block；36, pilot hole；4, lower support baseboard；41, it installs
Hole；5, cushion.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as the limitation to utility model.Term used in the utility model " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection；It can be directly connected, the indirect phase of intermediate member can also be passed through
Even, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment according to the present utility model, as shown in Figures 1 to 4, the utility model provide a kind of high-intensitive biological steel
Lithium ion battery case, comprising:
Internal layer battery case, for internal layer battery case for wrapping up core of lithium ion cell, internal layer battery case includes inner housing 1 and upper cover
Plate 2, inner housing 1 are the box like structure of opening upwards, and the lateral wall of inner housing 1 is provided with the waling 11 of spacing distribution,
By setting waling 11, make battery case while proof strength, reduces the dosage of material to greatest extent, meanwhile,
Slot between waling 11 can be such that the heat of inside battery distributes in due course, and the service life caused by avoiding inside battery from overheating drops
Low, spaced waling 11 can also make battery case diffusional area of power when being impacted bigger, avoid
By housing failure caused by external impacts, to make cell damage.Upper cover plate 2 is tabular, and upper cover plate 2 is closely contacted on inner housing
1 top, upper cover plate 2 are provided with electrode column 21.
Outermost battery shell, outermost battery valve jacket are located at outside internal layer battery case, for reinforcing the intensity of battery case, outer layer electricity
Pond shell includes outer housing 3 and lower support baseboard 4, and outer housing 3 is the box like structure that Open Side Down, and the inside top of outer housing 3 is set
It is equipped with rubber buffer column 33, makes internal layer battery after being installed into outer housing 3, the contact of the two top surface is Elastic Contact, is avoided
Friction between shell, meanwhile, the design of rubber buffer column 33 makes 3 top surface of outer housing when being impacted, there is biggish buffering
Distance avoids 2 stress of upper cover plate from damaging；The top surface corresponding position of outer housing 3 is provided with electrode post holes 35, can make after mounting
Electrode column 21 on upper cover plate 2 is exposed at except outer housing 3, is convenient for wiring.The side wall of outer housing 3 is provided with the cross of spacing distribution
To reinforcing rib 32, the setting of cross reinforcing 32 makes battery case while proof strength, reduces the use of material to greatest extent
Amount, spaced cross reinforcing 32 can also make battery case diffusional area of power when being impacted bigger, avoid
By housing failure caused by external impacts, to make cell damage；Meanwhile the cross reinforcing 32 of the rectangle of setting, also make
The carrying of battery etc. is more convenient.By the way that the reinforcing rib vertical with 1 direction of inner housing is arranged in outer housing 3, can greatly increase
While the impact resistance in forceful electric power pond, greatly enhance the intensity of battery case in all directions all；Outermost battery shell side wall
It is provided with heat release hole 31, convenient for distributing the heat of inner housing 1, to guarantee the improper rising of battery temperature；Shell
The inner sidewall cross sectional dimensions of body 3 is matched with the lateral wall cross sectional dimensions of inner housing 1, is set in outside inner housing 1 in outer housing 3
When wall, it is just fitted close non-loosening；Lower support baseboard 4 is provided with rectangular preiection platform, size and the outer layer electricity of rectangular preiection
The size of pond shell inner sidewall matches, convenient for lower support baseboard 4 to be accurately mounted at the lower openings of outer housing 3.Lower support bottom
The surrounding of plate 4 is provided with 4 mounting holes 41, convenient for battery is fixed on battery compartment；On the rectangular preiection platform of lower support baseboard 4
Surface is provided with netted rubber buffer 5, and after the loading of internal layer battery, rubber buffer 5 can be with damping, and elastic rubber is slow
It rushes pad 5 and is also possible to prevent extruding of the battery by abnormal dynamics, while rubber buffer 5 may also be ensured that outer housing 3 under
The tightness connected between support baseboard 4 avoids connection caused by shaking for a long time from loosening and outer housing 3 is made to lose fixation,
Cause battery displacement.Inner sidewall of the outer housing 3 close to bottom is provided with limited block 35, and pilot hole 36 is provided on limited block 35,
Convenient for assembling lower support baseboard 4 in outer housing 3.
In the embodiment of the use of the new type, outer housing 3 and inner housing 1 are all made of biological Steel material, and biological steel is a kind of
Novel plastic, the intensity and toughness of this material have complete raw considerably beyond conventional lithium ion battery battery case
Object degradation property.Also referred to as goat milk steel, milk steel.Biological steel can extend 27% before breaking, its intensity reaches other
2 times of spider silk；Biological steel seldom extends before breaking, and but has very high anti-breaking resistance to spalling, is made by this spider silk
Cloth, than manufacture bullet-proof vest used in fiber intensity it is also much higher.Biological Steel material is selected to make battery case, mechanical strength
Height, can deform extension in vehicle collision can't rupture, to guarantee that battery no leakage two causes fire, reduce electronic vapour
The security risk of vehicle improves the security performance of electric car.
The installation process of entire lithium ion battery case are as follows: after inner housing 1 installs core of lithium ion cell, assembly upper cover plate 2 to
Electrode column 21 is connect by sealing state with battery core；Then by entire internal layer arranging batteries in lower 4 corresponding position of support baseboard, outside
Shell 3 is set in outside inner housing 1, is completely embedded lower support baseboard 4 with outer housing 3 by bolt, such lithium ion battery
It just installs, entire lithium ion battery is carried to battery compartment, can be used by the way that mounting hole 41 is fixed.
In conclusion the utility model uses the structure setting of bilayer cells shell, the intensity of battery is greatly enhanced, is kept away
External force damage is exempted from, by inner housing and the respectively arranged reinforcing rib of outer housing, while proof strength, to greatest extent
The material utilization amount for alleviating battery case reduces the self weight of production cost and battery.By the heat dissipation that outer housing sidewall is arranged in
Hole enhances the battery heat-sinking capability of inner housing, avoids, cell damage caused by the improper temperature rise of battery；By being arranged outside
With the rubber buffer column and rubber buffer of lower support baseboard at the top of case inside, the buffer capacity of battery is greatly enhanced, is kept away
Exempt from sharply shaking for battery caused by automobile bumpiness in driving process and influences the tightness connected.Using new material biology
Steel, intensity is high, light-weight, greatly enhances the intensity of battery, there is important meaning to the use of lithium ion battery.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of high-intensitive biological steel lithium ion battery case, which is characterized in that the high-intensitive biological steel lithium ion battery case packet
It includes:
Internal layer battery case, the internal layer battery case for wrapping up core of lithium ion cell, the internal layer battery case include inner housing and
Upper cover plate, the inner housing are the box like structure of opening upwards, and the lateral wall of the inner housing is provided with the longitudinal direction of spacing distribution
Reinforcing rib, stating upper cover plate is tabular, and the upper cover plate is closely contacted on the top of the inner housing, and the upper cover plate is provided with electrode
Column；
Outermost battery shell, the outermost battery valve jacket is located at outside the internal layer battery case, for reinforcing the intensity of battery case, institute
Stating outermost battery shell includes outer housing and lower support baseboard, and the outer housing is the box like structure that Open Side Down, the outer housing
Side wall be provided with heat release hole, the inner sidewall cross sectional dimensions of the outer housing and the lateral wall cross sectional dimensions of the inner housing
Matching, the lower support baseboard are provided with rectangular preiection platform, the size of the size of rectangular preiection and the outer housing inner sidewall
Matching.
2. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that the side wall of the outer housing is set
It is equipped with the cross reinforcing of spacing distribution.
3. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that the four of the lower support baseboard
Multiple mounting holes are provided with week, convenient for battery is fixed on battery compartment.
4. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that the square of the lower support baseboard
Shape raised platforms upper surface is provided with cushion.
5. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that in the top of the outer housing
Side is provided with rubber buffer column.
6. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that the top table of the outer housing
Face is provided with electrode post holes.
7. high-intensitive biological steel lithium ion battery case as described in claim 1, which is characterized in that the outer housing is close to bottom
Inner sidewall be provided with limited block, pilot hole is provided on the limited block, convenient for assembling the lower support baseboard described
Outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085123.6U CN209183600U (en) | 2018-12-12 | 2018-12-12 | A kind of high-intensitive biological steel lithium ion battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085123.6U CN209183600U (en) | 2018-12-12 | 2018-12-12 | A kind of high-intensitive biological steel lithium ion battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209183600U true CN209183600U (en) | 2019-07-30 |
Family
ID=67376613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822085123.6U Expired - Fee Related CN209183600U (en) | 2018-12-12 | 2018-12-12 | A kind of high-intensitive biological steel lithium ion battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209183600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518166A (en) * | 2019-08-27 | 2019-11-29 | 大连理工大学 | A kind of advanced composite material (ACM) battery case body structure optimum design method |
| CN112768825A (en) * | 2021-01-15 | 2021-05-07 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
| CN114421063A (en) * | 2021-12-31 | 2022-04-29 | 陕西奥林波斯电力能源有限责任公司 | Pressure-resistant shell for laminated battery and high-capacity lithium ion battery using same |
-
2018
- 2018-12-12 CN CN201822085123.6U patent/CN209183600U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518166A (en) * | 2019-08-27 | 2019-11-29 | 大连理工大学 | A kind of advanced composite material (ACM) battery case body structure optimum design method |
| CN110518166B (en) * | 2019-08-27 | 2021-09-24 | 大连理工大学 | Optimized design method for composite material battery box body structure |
| CN112768825A (en) * | 2021-01-15 | 2021-05-07 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
| CN112768825B (en) * | 2021-01-15 | 2023-04-25 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
| CN114421063A (en) * | 2021-12-31 | 2022-04-29 | 陕西奥林波斯电力能源有限责任公司 | Pressure-resistant shell for laminated battery and high-capacity lithium ion battery using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |