CN108172721A - A kind of lithium battery protective housing - Google Patents
A kind of lithium battery protective housing Download PDFInfo
- Publication number
- CN108172721A CN108172721A CN201810014388.9A CN201810014388A CN108172721A CN 108172721 A CN108172721 A CN 108172721A CN 201810014388 A CN201810014388 A CN 201810014388A CN 108172721 A CN108172721 A CN 108172721A
- Authority
- CN
- China
- Prior art keywords
- babinet
- lithium battery
- protective housing
- connecting flange
- battery protective
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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 present invention relates to a kind of lithium battery protective housings, including babinet and case lid, the case lid is equipped with the first connecting flange, the babinet is equipped with the second connecting flange, first connecting flange is fixedly connected by bolt, nut with second connecting flange, multiple reinforced supports are arranged on the inside of the siding of the babinet, the reinforced support is equipped with damping rubber block.The present invention have it is simple in structure, manufacture and it is easy to assembly, intensity is high, damping crashworthiness is good, can more effectively protect lithium battery pack.
Description
Technical field
The present invention relates to industrial li-ion cell protection technical field more particularly to a kind of lithium battery protective housings.
Background technology
New-energy automobile refer to using unconventional vehicle fuel as power resources (or using routine vehicle fuel,
Using novel on-vehicle power plant), the advanced technology in terms of the dynamic Control of comprehensive vehicle and driving, the technical principle of formation is first
Into, have new technology, new construction automobile.
Lithium rechargeable battery as novel high voltage, the rechargeable battery of high-energy density, it is unique physically and electrically
Chemical property has extensive civilian and national defense applications prospect.Its protrude the characteristics of be：The light-weight, big (energy density of energy storage
It is high), service life it is long.Under same volume weights, the power reservoir capacity of lithium battery is 1.6 times of Ni-MH battery, is ni-Cd electricity
4 times of pond are the batteries that can be applied on electric vehicle best at present.
The protective devices such as lithium battery outer container primarily serve the effect of the internal lithium battery pack of protection, need to consider battery system certainly
Internal structure of body and safety etc., however the explosion-proof anti-collision protection device of existing lithium battery is due to complicated, processing and
It is high to assemble difficulty, cost is higher, is not particularly suited for inexpensive lithium battery scheme.
Invention content
The purpose of the present invention is under the premise of lithium battery performance and other design requirements is met, provide a kind of lithium battery to prevent
Protecting box, it is simple in structure, manufacture and it is easy to assembly, intensity is high, good seal performance, can more effectively protect lithium battery pack.
The purpose of the present invention is what is realized by following technical proposals：A kind of lithium battery protective housing, including babinet and case lid, institute
Case lid is stated equipped with the first connecting flange, the babinet is equipped with the second connecting flange, and first connecting flange passes through bolt, nut
It is fixedly connected with second connecting flange, multiple reinforced supports is arranged on the inside of the siding of the babinet, it is described to strengthen branch
Frame is equipped with damping rubber block.
Further, one end of the babinet is equipped with relief valve, positive electrode and negative electrode.
Further, the inner wall of the babinet is equipped with insulation film, and the inner wall of the case lid is equipped with insulation film, described exhausted
The thickness of edge film is 0.2~1 millimeter.
Further, the bottom of the babinet is equipped with rubber asphalt coating.
Further, the both sides of the babinet are equipped with multiple mounting brackets, and the mounting bracket includes angle bar pedestal, angle bar supports
Seat and Jiong shape connecting seat.
Further, sealing joint strip is equipped between first connecting flange and second connecting flange.
Further, the nut-welding is on second connecting flange.
The present invention has the following advantages that compared with prior art：
The configuration of the present invention is simple, installation is easily manufactured, saves resource, saves cost.Equipped with steel construction reinforced support and rubber
Glue buffer stopper forms shock-damping structure, and reinforcing and cushioning effect can be played when battery is by impulse force, enhances anticollision damping effect；
The rubber asphalt coating of bottom can prevent the shock of slungshot and grit from having rust-proof effect concurrently；Flange and sealing joint strip play waterproof
The effect of sealing；Relief valve plays explosion-proof effect.This lithium battery protective housing provides comprehensive multiple guarantor for battery pack
Shield.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the sectional view of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one：
Referring to Fig. 1, Fig. 2, a kind of lithium battery protective housing, including babinet 2 and case lid 1, the case lid is equipped with the first connection method
Orchid, the babinet are equipped with the second connecting flange, and first connecting flange passes through bolt 13, nut 14 and second connection method
Orchid is fixedly connected, and multiple reinforced supports 6 are arranged on the inside of the siding of the babinet, and the reinforced support is equipped with rubber buffer
Block 7.
Referring to Fig. 2, in the present embodiment, babinet is the shell structure of cuboid, and upper edge is equipped with the second connecting flange, the
Multiple bolts hole 3 are offered on two connecting flanges.Case lid is the shell structure of cuboid, and lower edge is equipped with the first connecting flange,
Multiple bolts hole are offered on first connecting flange, the nut-welding is on the downside of the bolt hole on second connecting flange.
The both sides of babinet along its length are siding, the reinforced support 6 of multiple steel constructions are equipped on the inside of siding, reinforced support is welded on case
On body, battery pack 9 is placed in babinet between reinforced support, the damping rubber block 7 and the battery pack that are bonded on reinforced support 6
9 intimate surface contacts.When accident occurs for new-energy automobile, lithium battery protective housing is likely encountered side impact, and reinforced support makes
Babinet has higher structural strength, and energy-absorbing delays the deformation of babinet, and damping rubber block has a degree of decrement and deformation
Amount, offsets further impact force, plays anticollision damping effect, protects battery pack.
Referring to Fig. 1, in the present embodiment, one end of the babinet is equipped with relief valve 5, positive electrode 11 and negative electrode 12.Case
The both ends of body in the width direction are end plate, and relief valve 5, positive electrode 11 and negative electrode 12 are arranged on one piece of end plate.Once lithium is electric
Air pressure reaches danger limit value in the protective housing of pond, and relief valve will automatically turn on, and lithium battery protective housing inner and outer air pressure is made to be maintained at one
A safe level prevents battery bulge from exploding.After battery packages enter babinet, total positive power line is connected with positive electrode, total negative
Power cord is connected with negative electrode.
Referring to Fig. 2, in the present embodiment, the inner wall of the babinet is equipped with insulation film 8, and the inner wall of the case lid is equipped with absolutely
Edge film.Insulation film is made of the material of superpower insulation and toughness, prevents the short circuit between battery case and electrode.Such as：
The insulation film uses polyimides material, and thickness can be chosen in the range of 0.2~1 millimeter, and temperature is used for a long time
Spend range -200~300 DEG C, no sharp melting point, high insulating property, 103 hertz of lower dielectric constants 4.0.
Referring to Fig. 2, in the present embodiment, the both sides of the babinet are equipped with multiple mounting brackets 15, and the mounting bracket includes angle
Iron pedestal, angle bar support base and Jiong shape connecting seat.For angle bar tube chamber welds with base on babinet, angle bar support base is welded on angle bar pedestal
On, Jiong shape connecting seat is welded on the outside of angle bar support base, and the top of Jiong shape connecting seat is equipped with bolt hole.Lithium battery protective housing passes through
Mounting bracket is installed with new-energy automobile car body.The bottom outer surface of the babinet is equipped with rubber asphalt coating 10.New-energy automobile
For traveling in severe road conditions, rubber asphalt coating effectively resists the shock and scraping of slungshot and grit, has anti-corrosion effect concurrently.
Referring to Fig. 2, in the present embodiment, fluid sealant is equipped between first connecting flange and second connecting flange
Item 4.First connecting flange and the second connecting flange are designed with the groove of accommodating sealing joint strip, after bolts and nuts locking, sealing
Adhesive tape is compacted, will be without any gap between case lid and babinet, and steam cannot be introduced into inside lithium battery protective housing, play anti-
Water, dust-proof effect.
In the present embodiment, by the way that protective housing is integrally fixed on new-energy automobile car body, by sealing joint strip 4, relief valve
5th, reinforced support 6, damping rubber block 7, insulation film 8, rubber asphalt coating 10 play jointly waterproof and dustproof, anticollision, it is explosion-proof,
The effect of anti-corrosion, while insulation performance is taken into account, it ensure that the effect of full protection lithium battery pack.
It is last it should be noted that above example is merely to illustrate technical solution of the present invention and it is unrestricted, although reference
The present invention is described in detail in embodiment, it will be understood by those of skill in the art that technical scheme of the present invention into
Row modification or equivalent replacement, without departure from the spirit and relevant range of the present invention, each fall within that the present invention claims patent protections
In the range of.
Claims (7)
1. a kind of lithium battery protective housing, including babinet and case lid, it is characterised in that：The case lid is equipped with the first connecting flange, institute
Babinet is stated equipped with the second connecting flange, first connecting flange is fixed by bolt, nut with second connecting flange to be connected
It connects, multiple reinforced supports is arranged on the inside of the siding of the babinet, the reinforced support is equipped with damping rubber block.
2. a kind of lithium battery protective housing according to claim 1, it is characterised in that：One end of the babinet is equipped with pressure release
Valve, positive electrode and negative electrode.
3. a kind of lithium battery protective housing according to claim 2, it is characterised in that：It is thin that the inner wall of the babinet is equipped with insulation
Film, the inner wall of the case lid are equipped with insulation film, and the thickness of the insulation film is 0.2~1 millimeter.
4. a kind of lithium battery protective housing according to claim 3, it is characterised in that：The bottom of the babinet is dripped equipped with rubber
Green coating.
5. a kind of lithium battery protective housing according to claim 4, it is characterised in that：The both sides of the babinet are equipped with multiple peaces
It shelves, the mounting bracket includes angle bar pedestal, angle bar support base and Jiong shape connecting seat.
6. a kind of lithium battery protective housing according to claim 1, it is characterised in that：First connecting flange and described
Sealing joint strip is equipped between two connecting flanges.
7. a kind of lithium battery protective housing according to claim 1, it is characterised in that：The nut-welding connects described second
On acting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014388.9A CN108172721A (en) | 2018-01-08 | 2018-01-08 | A kind of lithium battery protective housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014388.9A CN108172721A (en) | 2018-01-08 | 2018-01-08 | A kind of lithium battery protective housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108172721A true CN108172721A (en) | 2018-06-15 |
Family
ID=62517775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810014388.9A Pending CN108172721A (en) | 2018-01-08 | 2018-01-08 | A kind of lithium battery protective housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172721A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953848A (en) * | 2018-07-03 | 2018-12-07 | 黄山全晟密封科技有限公司 | A kind of safe mechanical equipment edges and corners preventing rubber shell |
| CN113078398A (en) * | 2019-12-17 | 2021-07-06 | 本田技研工业株式会社 | Electricity storage device |
| CN115842208A (en) * | 2021-11-17 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Cabinet body of energy storage device, energy storage device and manufacturing method and manufacturing equipment of energy storage device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202977558U (en) * | 2012-11-27 | 2013-06-05 | 广东精进能源有限公司 | Impact resisting structure of power battery pack |
| CN103280542A (en) * | 2013-04-01 | 2013-09-04 | 宜兴奕润新能源科技有限公司 | Lithium iron phosphate cell |
| US20130270861A1 (en) * | 2012-04-12 | 2013-10-17 | Toyota Motor Engineering & Manufacturing North America, Inc. | Sub-frame intrusion control by ramping during frontal impact for electric vehicle battery protection |
| CN205141034U (en) * | 2015-11-25 | 2016-04-06 | 百顺松涛（天津）动力电池科技发展有限公司 | Battery box seal structure |
| CN105633321A (en) * | 2016-03-13 | 2016-06-01 | 贵州大学 | Pure power-driven business car battery box preventing static electricity and impact |
| CN205542942U (en) * | 2015-12-11 | 2016-08-31 | 北汽福田汽车股份有限公司 | Anticollision power battery box and have this anticollision power battery box's electric vehicle |
-
2018
- 2018-01-08 CN CN201810014388.9A patent/CN108172721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130270861A1 (en) * | 2012-04-12 | 2013-10-17 | Toyota Motor Engineering & Manufacturing North America, Inc. | Sub-frame intrusion control by ramping during frontal impact for electric vehicle battery protection |
| CN202977558U (en) * | 2012-11-27 | 2013-06-05 | 广东精进能源有限公司 | Impact resisting structure of power battery pack |
| CN103280542A (en) * | 2013-04-01 | 2013-09-04 | 宜兴奕润新能源科技有限公司 | Lithium iron phosphate cell |
| CN205141034U (en) * | 2015-11-25 | 2016-04-06 | 百顺松涛（天津）动力电池科技发展有限公司 | Battery box seal structure |
| CN205542942U (en) * | 2015-12-11 | 2016-08-31 | 北汽福田汽车股份有限公司 | Anticollision power battery box and have this anticollision power battery box's electric vehicle |
| CN105633321A (en) * | 2016-03-13 | 2016-06-01 | 贵州大学 | Pure power-driven business car battery box preventing static electricity and impact |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953848A (en) * | 2018-07-03 | 2018-12-07 | 黄山全晟密封科技有限公司 | A kind of safe mechanical equipment edges and corners preventing rubber shell |
| CN113078398A (en) * | 2019-12-17 | 2021-07-06 | 本田技研工业株式会社 | Electricity storage device |
| CN113078398B (en) * | 2019-12-17 | 2023-05-09 | 本田技研工业株式会社 | Power storage device |
| CN115842208A (en) * | 2021-11-17 | 2023-03-24 | 宁德时代新能源科技股份有限公司 | Cabinet body of energy storage device, energy storage device and manufacturing method and manufacturing equipment of energy storage device |
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