CN104538567B - High-protection level battery bag and the method for improving battery bag degree of protection - Google Patents
High-protection level battery bag and the method for improving battery bag degree of protection Download PDFInfo
- Publication number
- CN104538567B CN104538567B CN201410640827.9A CN201410640827A CN104538567B CN 104538567 B CN104538567 B CN 104538567B CN 201410640827 A CN201410640827 A CN 201410640827A CN 104538567 B CN104538567 B CN 104538567B
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- Prior art keywords
- battery
- battery bag
- bag
- battery module
- protection
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Classifications
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- 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
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of high-protection level battery bag and the method for improving battery bag degree of protection, the high-protection level battery bag inside the battery bag and battery module by organic silica gel by being filled, and use waterproof connector, the degree of protection of battery bag is improved, to ensure battery bag in outdoor environment normal operation.
Description
Technical field
The present invention relates to technical field of lithium ion, more particularly to a kind of high-protection level battery bag and raising battery bag
The method of degree of protection.
Background technology
With being rooted in the hearts of the people for environmentally friendly concept, pure electric automobile also must as a kind of green automobile truly
By as following development trend of automobile industry.For a long time, the development of electric automobile has been limited to battery cost height, life-span
The two short technical bottlenecks.With the innovation and improvement of technology in recent years, battery technology is developed rapidly.Electrokinetic cell
It is dynamic gradually the advanced green such as Ni-MH battery of today, cobalt acid lithium, LiMn2O4, LiFePO4 to be developed into from traditional lead accumulator
Power battery.However, although these new type power lithium batteries are greatly improved in performance, the raising in these performances is past
Past is to be directed to battery core.On electric automobile, electrokinetic cell needs to work in the form of stack battery, and existing stack battery exists
Often had a greatly reduced quality the advantages of Novel electric core in actual use.Such as the cycle life of lithium cell is 1500 times, quite
In battery core complete discharge and recharge daily, 3-5 or so service life can be reached in the ideal situation, with the use of automobile
Life-span is close.But in the use of actual electric car by the test to stack battery it finds that, the circulation of stack battery
Service life often falls sharply even lower to half when being used as monomer.
In addition, the degree of protection of battery bag is an important factor for influenceing battery bag performance.Existing battery bag
Most degree of protection can only achieve IP45, because the battery bag in electric automobile needs to work out of doors, battery after long-term use
Bag tends to cover dirt.And when running into extreme weather, existing battery bag tends to make moist, so as to influence the property of battery bag
Energy.
Therefore, it is necessary to develop a kind of high-protection level battery bag, there is higher dust-proof, water resistance, to ensure electricity
Pond bag in outdoor environment normal operation.
The content of the invention
It is an object of the invention to provide a kind of high-protection level battery bag, lead to inside battery bag and inside battery module
Cross organic silica gel to be filled, connector uses waterproofing design, has higher degree of protection.
Another object of the present invention is to provide a kind of method for improving battery bag degree of protection, inside the battery bag
And be filled inside battery module by organic silica gel, waterproofing design is used to connector, improves the degree of protection of battery bag,
To ensure battery bag in outdoor environment normal operation.
To achieve the above object, the present invention provides a kind of high-protection level battery bag, including：Battery bag casing, with it is described
Battery bag bottom plate that battery bag casing is oppositely arranged, several battery modules located at the battery bag box house and located at institute
Battery bag body side and the connector being connected with the battery module are stated, is led to inside the battery bag inside and battery module
Cross organic silica gel to be filled, the connector uses waterproofing design.
The material of the battery bag casing is carbon fiber-reinforced unsaturated-resin and the magnesium of glass fiber compound material covering
Al alloy composite.
The material of the battery bag bottom plate is carbon fiber-reinforced titanium bag aluminum-magnesium alloy composite materials.
The battery module is divided into ordered series of numbers and is located at the battery bag box house.
The side of the battery bag casing is provided with a hollow-out parts, and the connector is connected with the battery module, and wears
The hollow-out parts are crossed to extend to outside battery bag casing.
The present invention also provides a kind of method for improving battery bag degree of protection, to inside the battery bag and in battery module
Portion is filled by organic silica gel, and waterproofing design is used to connector.
Beneficial effects of the present invention：A kind of high-protection level battery bag of the present invention, inside battery bag and in battery module
Portion is filled by organic silica gel, and connector uses waterproofing design, has higher degree of protection.The raising electricity of the present invention
The method of pond bag degree of protection, to being filled inside the battery bag and inside battery module by organic silica gel, to patching
Part uses waterproofing design, improves the degree of protection of battery bag, to ensure battery bag in outdoor environment normal operation, operation letter
Single, cost is low.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
In accompanying drawing,
Fig. 1 is the structural representation of high-protection level battery bag of the present invention；
Fig. 2 is the structural representation of the battery module of high-protection level battery bag of the present invention；
Fig. 3 is the structural representation of the battery bag bottom plate of high-protection level battery bag of the present invention；
Fig. 4 is the structural representation of the battery bag casing of high-protection level battery bag of the present invention.
Embodiment
Further to illustrate the technological means extremely effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example extremely accompanying drawing is described in detail.
Referring to Fig. 1, the present invention provides a kind of high-protection level battery bag, including：Battery bag casing 1 and the battery
Battery bag bottom plate 2 that lodge body 1 is oppositely arranged, several battery modules 3 inside the battery bag casing 1 and located at institute
The side of battery bag casing 1 and the connector 4 being connected with the battery module 3 are stated, inside the battery bag and inside battery module 3
It is filled by organic silica gel 7.
Please refer to Fig. 1-4, the battery bag casing 1 is in housing shape, and the inside of battery bag casing 1 is provided with placement section
11, for accommodating the battery module 3 of battery bag, can be carried out by way of irrigating organic silica gel 7 to the inside of battery bag casing 1
Encapsulation, silica filled organopolysiloxane glue 7 between battery module 3, organic silica gel 7 is set to carry out shock-absorbing protecting after solidifying, to mitigate battery
To the influence of internal battery module 3 when lodge body 1 is hit.The marginal position of the bottom surface of battery bag casing 1 is provided with several equal
The lug boss 12 of even distribution, placed steadily to ensure battery bag casing 1 in electric automobile.
The side of battery bag casing 1 is provided with a hollow-out parts 13, and the connector 4 for being connected to battery module 3 passes through,
And extend to outside battery bag.The surrounding inwall of battery bag casing 1 is provided with several equally distributed connecting portions 14, described several
Screwed hole 15 is respectively equipped with connecting portion 14, the position that the connecting portion 14 is corresponded on the battery bag bottom plate 2 is respectively equipped with number
Individual through hole 24, the battery bag casing 1 is fixed together with battery bag bottom plate 2 using screw, so as to realize to battery module 3
Protection.
The material of the battery bag casing 1 is that the magnesium alloy that carbon fiber-reinforced unsaturated-resin covers with glass fibre is answered
Condensation material, enough intensity and superpower corrosion resistance are provided for battery bag casing 1, become caused by avoiding during long-term use
Shape, rupture and corrosion.
The material of the battery bag bottom plate 2 is carbon fiber-reinforced titanium bag aluminum-magnesium alloy composite materials, has preferable heat conduction
Property, heat can be exported inside battery bag in time.
Please refer to Fig. 1-2, the battery module 3 is divided into ordered series of numbers inside the battery bag casing 1, described several
Silica filled organopolysiloxane glue 7 between battery module 3.In the preferred embodiment, the quantity of the battery module 3 is 22, is divided into 4 row
Inside the battery bag casing 1.Specifically, as shown in figure 1, two row close to the wherein side of battery bag casing 1 are set respectively
6 battery modules 3 are put, two row close to the opposite side of battery bag casing 1 set 5 battery modules 3 respectively.
Connector 4 in Fig. 1 is electric connector, its model can be selected according to the size of the operating current of battery bag
Select.It is connected by soft copper board or flexible cable 41 with battery module 3.The connector 4 is using waterproofing design and can realize fast
Fast grafting is with changing.Preferably, the IP grades of the connector 4 are 67.
Referring to Fig. 2, the battery module 3 includes battery module enclosure 30, inside the battery module enclosure 30
And it is provided with the supporting part 31 of 24 holding parts 311,24 battery cores 32 being respectively arranged on inside 24 holding parts 311, cladding
It is connected in the heat-conducting part 33 of the periphery of supporting part 31 and on the end face of the supporting part 31 and with 24 battery cores 32
The copper bar 34 connect, the inside silica filled organopolysiloxane glue 7 of the battery module 3.
Specifically, the outside of 24 battery cores 32 is respectively equipped with aluminium shell 320, and the positive pole of a part of battery core is provided with just
Pole hush panel 321, the negative pole of another part battery core are provided with negative pole hush panel 322, and the battery core provided with positive pole hush panel 321 is with being provided with
The battery core of negative pole hush panel 322 is arranged at intervals in holding part 311, and towards consistent, and the copper bar 34 is by several battery cores
32 positive pole hush panel 321 and negative pole hush panel 322 is connected, silica filled organopolysiloxane glue in the aluminium shell 320 of the battery core 32
7。
Further, 24 holding parts 311 point three layers of distribution in supporting part 31,8 every layer.24 battery cores 32 are corresponding to be set
In 24 holding parts 311.Preferably, the battery core 32 is 5.3Ah Boston battery Swing 5300.Preferably, institute
The material for stating supporting part 31 is plastics, and the material of the heat-conducting part 33 is aluminium.Heat-conducting part 33 can lead the heat of battery module 3
Go out, prevent its overheat.24 battery cores 32 are composed in series battery module 3 by copper bar 34, and 22 battery modules 3 pass through
Soft copper row's (not shown) composes in parallel battery bag.
The both ends of the battery module 3 are respectively equipped with a lug boss 35 and depressed part 36, the shape of battery module enclosure 30
It is adapted with it.Battery module 3 between the column and the column is end to end, passes through the mutually embedding realization between lug boss 35 and depressed part 36
It is fixed, it is filled between 22 battery modules 3 by organic silica gel 7, it is preferred that the thickness of the organic silica gel 7 is
3mm。
Because organic silica gel 7 has stronger hydrophobicity, therefore silica filled organopolysiloxane glue 7 can reach in protection in battery bag
Portion's electronic component combines waterproof connector 4 from water or the effect of moisture attacks, effectively improves the water proof and dust proof of battery bag
Can, the degree of protection of battery bag can be promoted to IP67 by existing IP45.
In addition, can be decomposed when organic silica gel 7 is at 460 DEG C, and fire-retardant gas is produced, when battery bag is in extreme ring
During border, the heat-resisting quantity and anti-flammability of organic silica gel 7 can delay the time of battery bag combustion explosion, so as to improve battery bag
Security, reduce caused by battery bag combustion explosion lose.Organic silica gel 7 can be long-term under -50~220 DEG C of environmental conditions
Elasticity and mechanical performance are kept, hardness is 45~50A after solidification, by irrigating organic silica gel 7 in the space of battery module 3,
Change in conventional batteries bag between battery module 3 the drawbacks of rigid contact, serve the effect of buffering, mitigate external impact pair
The influence of internal cell and component, improve the anti-seismic performance of battery bag.
Meanwhile the coefficient of heat conduction is 1.0W/M.K after the solidification of organic silica gel 7, is 40 times of air, therefore can ensure electricity
Temperature consistency inside the bag of pond.Organic silica gel 7 has environment compatibility, and poisonous and harmful substance will not be produced in solidification process,
Product fully after solidification is also nontoxic to people.Organic silica gel 7 also has and rocket burn-out proof coating material identical molecule
Structure, possess stronger corrosion resistance, other battery cores will not also be had an impact even if indivedual battery core leakages.Organic silica gel 7 is also
The higher electrical insulating property of tool, breakdown voltage 20kV/mm, insulation protection effectively can be carried out to battery bag.
The present invention also provides a kind of method for improving battery bag degree of protection, to inside the battery bag and in battery module
Portion is filled by organic silica gel, and waterproofing design is used to connector.
Preferably, the thickness of the organic silica gel is 3mm.
In summary, a kind of high-protection level battery bag of the invention, pass through inside battery bag and inside battery module
Organic silica gel is filled, and connector uses waterproofing design, has higher degree of protection.The raising battery bag protection of the present invention
The method of grade, to being filled inside the battery bag and inside battery module by organic silica gel, to connector using anti-
Water designs, and improves the degree of protection of battery bag, to ensure battery bag in outdoor environment normal operation, simple to operate, cost is low.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (6)
1. a kind of high-protection level battery bag, including：Battery bag casing (1), the electricity being oppositely arranged with the battery bag casing (1)
Pond bag bottom plate (2), located at the internal several battery modules (3) of the battery bag casing (1) and located at the battery bag casing
(1) side and the connector (4) being connected with the battery module (3), it is characterised in that the battery bag inside and battery module
(3) internal to be filled by organic silica gel (7), the connector (4) uses waterproofing design；
The battery module (3) includes battery module enclosure (30), located at the battery module enclosure (30) inside and provided with more
The supporting part (31) of individual holding part (311), the internal multiple battery cores (32) of the multiple holding part (311) are respectively arranged on, it is described
The outside of multiple battery cores (32) is respectively equipped with aluminium shell (320), silica filled organopolysiloxane glue (7) in the aluminium shell (320).
2. high-protection level battery bag as claimed in claim 1, it is characterised in that the material of the battery bag casing (1) is
Carbon fiber-reinforced unsaturated-resin and the magnesium alloy composite of glass fibre covering.
3. high-protection level battery bag as claimed in claim 1, it is characterised in that the material of the battery bag bottom plate (2) is
Carbon fiber-reinforced titanium bag aluminum-magnesium alloy composite materials.
4. high-protection level battery bag as claimed in claim 1, it is characterised in that the battery module (3) is divided into ordered series of numbers and set
It is internal in the battery bag casing (1).
5. high-protection level battery bag as claimed in claim 1, it is characterised in that the side of the battery bag casing (1) is set
There are a hollow-out parts (13), the connector (4) is connected with the battery module (3), and extends through the hollow-out parts (13)
It is outside to battery bag casing (1).
A kind of 6. method for improving battery bag degree of protection, it is characterised in that to inside the battery bag and inside battery module
It is filled by organic silica gel, waterproofing design is used to connector；
The battery module (3) includes battery module enclosure (30), located at the battery module enclosure (30) inside and provided with more
The supporting part (31) of individual holding part (311), the internal multiple battery cores (32) of the multiple holding part (311) are respectively arranged on, it is described
The outside of multiple battery cores (32) is respectively equipped with aluminium shell (320), silica filled organopolysiloxane glue (7) in the aluminium shell (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640827.9A CN104538567B (en) | 2014-11-13 | 2014-11-13 | High-protection level battery bag and the method for improving battery bag degree of protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640827.9A CN104538567B (en) | 2014-11-13 | 2014-11-13 | High-protection level battery bag and the method for improving battery bag degree of protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104538567A CN104538567A (en) | 2015-04-22 |
| CN104538567B true CN104538567B (en) | 2018-01-09 |
Family
ID=52854064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410640827.9A Active CN104538567B (en) | 2014-11-13 | 2014-11-13 | High-protection level battery bag and the method for improving battery bag degree of protection |
Country Status (1)
| Country | Link |
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| CN (1) | CN104538567B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214036U (en) * | 1987-10-09 | 1988-05-11 | 国营第七五五厂 | Waterproof alkaline battery pack |
| CN2881979Y (en) * | 2006-01-19 | 2007-03-21 | 东莞新能源电子科技有限公司 | Safety battery assembling structure |
| CN201667365U (en) * | 2009-09-29 | 2010-12-08 | 河南比得力高新能源科技有限公司 | Waterproofing device for Li-ion battery pack of electric motorcar |
| CN101964432A (en) * | 2010-09-16 | 2011-02-02 | 南京双登科技发展研究院有限公司 | Battery pack heat dissipation method for electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207214036U (en) * | 2017-08-08 | 2018-04-10 | 绍兴总杰电器有限公司 | A kind of big combustion head of firepower |
-
2014
- 2014-11-13 CN CN201410640827.9A patent/CN104538567B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214036U (en) * | 1987-10-09 | 1988-05-11 | 国营第七五五厂 | Waterproof alkaline battery pack |
| CN2881979Y (en) * | 2006-01-19 | 2007-03-21 | 东莞新能源电子科技有限公司 | Safety battery assembling structure |
| CN201667365U (en) * | 2009-09-29 | 2010-12-08 | 河南比得力高新能源科技有限公司 | Waterproofing device for Li-ion battery pack of electric motorcar |
| CN101964432A (en) * | 2010-09-16 | 2011-02-02 | 南京双登科技发展研究院有限公司 | Battery pack heat dissipation method for electric automobile |
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| Publication number | Publication date |
|---|---|
| CN104538567A (en) | 2015-04-22 |
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