CN106784416A - A kind of composite battery case - Google Patents
A kind of composite battery case Download PDFInfo
- Publication number
- CN106784416A CN106784416A CN201611138404.2A CN201611138404A CN106784416A CN 106784416 A CN106784416 A CN 106784416A CN 201611138404 A CN201611138404 A CN 201611138404A CN 106784416 A CN106784416 A CN 106784416A
- Authority
- CN
- China
- Prior art keywords
- combination
- casing
- composite bed
- composite
- battery case
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries 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
Abstract
A kind of composite battery case, including the casing with one end open and the case lid corresponding to casing, the casing and case lid are by the first composite bed, second composite bed and the layer of the triplex between the first composite bed and the second composite bed are constituted, described first is compound and the second composite bed uses continuous glass fibre material, the triplex layer uses weaving carbon fiber material, first composite bed, second composite bed and triplex layer are structure as a whole by prepreg compression molding, the triplex layer of the casing and case lid fits together to form a shielding space.A kind of composite battery case that the present invention is provided, not only alleviates the weight of casing, and decrease the manufacture craft operation of battery case.In addition, the composite battery case has the effect of electromagnetic shielding, it may have very strong toughness, while also having corrosion resistant performance.
Description
【Technical field】
The present invention relates to batteries of electric automobile technical field, more particularly to a kind of composite battery case.
【Background technology】
With the development of electric automobile industry, battery modules as electric automobile power source, its safety issue
Also become the important topic of the development of electric automobile industry.Battery modules are contained in battery case, but existing electricity
Pond case is mainly the battery case of steel matter, and the ratio of steel is great so that casing can lay particular stress on total quality；In addition, from sheet material to case
The manufacture craft manufacturing procedure of body is cumbersome, and chemical-resistance is also poor in itself for metal material, can not prevent battery modules from filling
The signal that the electromagnetic wave produced in discharge process is caused to motor, electronic equipment etc. is disturbed, without effectiveness.Merely
Carbon fibre composite lacking toughness, it is necessary to do surface insulation treatment, spray painting treatment also can exist as metal cabinet
Potential safety hazard.And the composite wood being molded with the reinforcing materials such as continuous glass fibre, basalt fibre, aramid fiber and resin matrix
Expect as the making material of casing, although with light weight, weather-proof, corrosion-resistant, impact flexibility and other effects, but do not possess electromagnetic shielding
Function, it is impossible to meet the requirement of system electromagnetic compatibility.
In view of the above, it is necessary to provide a kind of new battery case in fact to overcome disadvantages described above.
【The content of the invention】
It is an object of the invention to provide a kind of composite battery case, the weight of casing is not only alleviated, and reduce
The manufacture craft operation of battery case.In addition, the composite battery case has the effect of electromagnetic shielding, it may have very strong
Toughness, while also having corrosion resistant performance.
To achieve these goals, the present invention provides a kind of composite battery case, including the casing with one end open
With the case lid corresponding to casing, the casing and case lid are by the first composite bed, the second composite bed and positioned at the first composite bed
Constituted with the triplex layer between the second composite bed, described first is compound and the second composite bed uses continuous glass fibers
Dimension material, the triplex layer uses weaving carbon fiber material, and first composite bed, the second composite bed and the 3rd answer
Close layer to be structure as a whole by prepreg compression molding, the triplex layer of the casing and case lid fits together to form one
Shielding space.
In a preferred embodiment, the casing extends in rectangular-shape, including bottom wall and multiple from bottom wall edge
The side wall of formation, the multiple side wall is sequentially connected, and the edge that each side wall is located at opening prolongs towards the direction away from the side wall
Stretch and be formed with the first combination side；The first combination side is made up of the first composite bed and triplex layer.
In a preferred embodiment, in rectangular-shape, including main part, the main part is towards away from institute for the case lid
State main part direction bending extend be formed with corresponding to described first combination while second combination while, it is described second combination side is
By the first composite bed and triplex layer constitute, it is described first combination while and second combination while offer respectively through described first
Combine while and multiple first fixing holes and multiple second fixing holes during the second combination, second fixing hole corresponds to described the
One fixing hole passes through screw combination together.
In a preferred embodiment, the end on the second combination side is curved towards the direction of the bottom wall near the casing
Folding extension is formed with abutment edge, and the abutment edge is also to be made up of the first composite bed and triplex layer, the abutment edge with
Second combination is in side vertical and when being resisted against first combination.
In a preferred embodiment, described second combine on when first combination is fitted in, described first group
Close while and second combination while triplex layer fit together, it is described first combination while and second combination while the first composite bed
Respectively be located at described first combination while and second combination while triplex layer opposite side.
In a preferred embodiment, the first combination of the casing and case lid while and be located at the screen during the second combination
Cover outside space.
In a preferred embodiment, sealing strip, the sealing strip are additionally provided between first fixing hole and casing
Positioned at described first combination while second combine while between, and insertion it is described first combination while and second combination while in.
In a preferred embodiment, embedded nut is provided with each first fixing hole, by screw through described the
Two fixing holes are engaged with the embedded nut in first fixing hole and combine.
In a preferred embodiment, the bottom wall is provided with multiple reinforcements.
Compared with prior art, a kind of composite battery case that the present invention is provided, not only alleviates the weight of casing, and
And decrease the manufacture craft operation of battery case.In addition, the composite battery case has the effect of electromagnetic shielding, also have
There is very strong toughness, while also having corrosion resistant performance.
【Brief description of the drawings】
The three-dimensional structure diagram of the composite battery case that Fig. 1 is provided for the present invention.
Fig. 2 is the sectional view and sectional view partial enlarged drawing of the composite battery case shown in Fig. 1.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with accompanying drawing and
Specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Fig. 1 is refer to, the present invention provides a kind of composite battery case 100, including the He of casing 10 with one end open
Corresponding to the case lid 20 of casing 10.
Refer to Fig. 1 and Fig. 2, the casing 10 is in rectangular-shape, by the first composite bed 11, the second composite bed 12 and be located at
Triplex layer 13 between first composite bed 11 and the second composite bed 12 is constituted, first composite bed 11, the second composite bed
12 and triplex layer 13 be structure as a whole by prepreg compression molding.The composite bed 12 of first composite bed 11 and second is equal
Use continuous glass fibre material.In the present embodiment, the continuous glass fibre material is with resin material as base
Body, using multilayer one-way glass fiber cloth, (0 ° or 45 ° or 90 °) are staggered at a certain angle that composite wood is formed with resin matrix
Material, can not only play insulation effect, also with certain toughness and decay resistance.The triplex layer 13 is used
Weaving carbon fiber reinforced resin based composites, can be to being contained in casing 10 in battery modules (not shown) charge and discharge process
Play a part of electromagnetic shielding, while the intensity of casing 10 can also be increased.
Further, the casing 10 includes that bottom wall 101 and multiple extend the side wall 102 to be formed from the edge of bottom wall 101.Institute
Multiple side walls 102 are stated to be sequentially connected.The bottom wall 101 is provided with multiple reinforcements 1011, and the reinforcement 1011 increased described
The load capacity of casing 10.The edge that each side wall 102 is located at opening extends towards the direction away from the side wall 102 and is formed with the
One combination side 103, the first combination side 103 is made up of the first composite bed 11 and triplex layer 13.Described first group
When 103 offer through the described first combination 103 multiple first fixing holes 1031 are closed, is set in each first fixing hole 1031
There is an embedded nut (not shown).In the present embodiment, first fixing hole 1031 is rounded.
The case lid 20 is also in rectangular-shape, by the first composite bed 11, the second composite bed 12 and positioned at the first composite bed 11
And the second triplex layer 13 between composite bed 12 is constituted, first composite bed 11, the second composite bed 12 and triplex
Layer 13 is structure as a whole by prepreg compression molding.The case lid 20 includes main part 21, and the main part 21 is towards away from institute
State main part 21 direction bending extend be formed with corresponding to described first combination while 103 second combination while 201, described second
Combination side 201 is made up of the first composite bed 11 and triplex layer 13.The second combination side 201 is offered through described
Multiple second fixing holes 2011 on the second combination side 201, second fixing hole 2011 corresponds to first fixing hole 1031.
In the present embodiment, second fixing hole 2011 is rounded, and is coaxially disposed with first fixing hole 1031.
Further, the direction bending of the end on the second combination side 201 towards the bottom wall 101 near the casing 10 is prolonged
Stretch and be formed with abutment edge 202, the abutment edge 202 is also to be made up of the first composite bed 11 and triplex layer 13, described to support
Keep to the side 202 combined with described second while 201 it is vertical and be resisted against it is described first combination while 103 side.Such design, necessarily
Can prevent dust and moisture from entering into casing 10 in degree.
Further, sealing strip 30, the sealing strip 30 are additionally provided between first fixing hole 1031 and casing 10
Between the described first combination is when 103 and second are combined 201, and insertion first combination is when 103 and second are combined 201
It is interior.So, can be very good to prevent outside moisture from penetrating into casing 10, enhance the close of the composite battery case 100
Feng Xing.
During assembling, the openend of the case lid 20 and the casing 10 is combined；Paste on the second combination side 201
Combined on side 103 together in described first, and first combination, 201 triplex layer 13 when 103 and second are combined is fitted
Together, first combination, 201 first composite bed 11 when 103 and second are combined is located at the described first combination side respectively
103 and second combination side 201 triplex layer 13 opposite side；The sealing strip 30 is located at the described first combination side
103 and second combination side 201 between, and insertion it is described first combination while 103 and second combine while 201 in；The abutment edge 202
It is resisted against on the first combination side 103, is passed through in the fixing hole 1031 of second fixing hole 2011 and first by screw
Embedded nut is engaged and the casing 10 and case lid 20 is fixed together.
When using, after the casing 10 and case lid 20 are fixed together, the triplex layer 13 on the first combination side 103
The triplex layer 13 of triplex layer 13 and abutment edge 202 that side 201 is combined with described second fits together, the casing
10 and the triplex layer 13 of case lid 20 form a complete shielding space 14, the first combination of the casing 10 and case lid 20
When 103 and second are combined, 201 are located at outside the shielding space 14, can be to being risen in battery modules charge and discharge process in casing 10
To the effect of electromagnetic shielding, prevent the electromagnetic wave that electric module is produced in charge and discharge process from causing signal to do to other electronic equipments
Disturb.Meanwhile, the attribute of first composite bed 11 and the second composite bed 13 of the casing 10 and case lid 20 so that composite battery
Case 100 has very strong toughness, while also having corrosion resistant performance.
A kind of composite battery case that the present invention is provided, not only alleviates the weight of casing, and decrease battery
The manufacture craft operation of case.In addition, the composite battery case has the effect of electromagnetic shielding, it may have very strong toughness,
Also there is corrosion resistant performance simultaneously.
The present invention is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
Additional advantage and modification are easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of god and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (9)
1. a kind of composite battery case, it is characterised in that：Including the casing with one end open and the case lid corresponding to casing,
The casing and case lid are by the first composite bed, the second composite bed and between the first composite bed and the second composite bed
Triplex layer is constituted, and described first is compound and the second composite bed uses continuous glass fibre material, the triplex
Layer uses weaving carbon fiber material, and first composite bed, the second composite bed and triplex layer are molded by prepreg
It is molded as one structure, the triplex layer of the casing and case lid fits together to form a shielding space.
2. composite battery case according to claim 1, it is characterised in that：The casing is in rectangular-shape, including bottom
Wall and multiple extend the side wall to be formed from bottom wall edge, and the multiple side wall is sequentially connected, and each side wall is located at the edge of opening
Extend towards the direction away from the side wall and be formed with the first combination side；The first combination side is answered by the first composite bed and the 3rd
Close what layer was constituted.
3. composite battery case according to claim 2, it is characterised in that：The case lid is in rectangular-shape, including master
Body portion, the main part extends second be formed with corresponding to the described first combination side towards the direction bending away from the main part
Combination side, the second combination side is made up of the first composite bed and triplex layer, and the first combination side and second is combined
While offer respectively through described first combination while and second combination side multiple first fixing holes and multiple second fixing holes, institute
State the second fixing hole and pass through screw combination together corresponding to first fixing hole.
4. composite battery case according to claim 3, it is characterised in that：It is described second combination side end towards be close to
The direction bending extension of the bottom wall of the casing is formed with abutment edge, and the abutment edge is also by the first composite bed and triplex
Layer constitute, the abutment edge combine with described second while it is vertical and be resisted against it is described first combine while side.
5. composite battery case according to claim 3, it is characterised in that：The second combination side fits in described the
One combination side on, it is described first combination while and second combination while triplex layer fit together, it is described first combination side and
Second combination while the first composite bed respectively be located at described first combination while and second combination side triplex layer it is opposite
Side.
6. composite battery case according to claim 3, it is characterised in that：First combination side of the casing and case lid
And second combination side be located at the shielding space outside.
7. composite battery case according to claim 3, it is characterised in that：Between first fixing hole and casing also
Sealing strip is provided with, between the sealing strip is located at the described first combination when second combines, and insertion the first combination side
In the second combination side.
8. composite battery case according to claim 3, it is characterised in that：Pre-buried spiral shell is provided with each first fixing hole
Mother, is engaged with the embedded nut in first fixing hole through second fixing hole by screw and combined.
9. composite battery case according to claim 2, it is characterised in that：The bottom wall is provided with multiple reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138404.2A CN106784416A (en) | 2016-12-12 | 2016-12-12 | A kind of composite battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138404.2A CN106784416A (en) | 2016-12-12 | 2016-12-12 | A kind of composite battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106784416A true CN106784416A (en) | 2017-05-31 |
Family
ID=58875599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611138404.2A Pending CN106784416A (en) | 2016-12-12 | 2016-12-12 | A kind of composite battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106784416A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180927A (en) * | 2017-06-02 | 2017-09-19 | 陕西中九汽车工程研究院有限公司 | A kind of pure electric automobile lightweight battery casing and its manufacture method |
| CN107507945A (en) * | 2017-08-24 | 2017-12-22 | 智车优行科技（上海）有限公司 | Vehicular battery clad plate and Vehicular battery bag |
| CN107639858A (en) * | 2017-11-10 | 2018-01-30 | 浙江大学滨海产业技术研究院 | A kind of composite electrokinetic cell bag that there is damage to perceive and preparation method thereof |
| CN107681083A (en) * | 2017-10-27 | 2018-02-09 | 智车优行科技（上海）有限公司 | Modularization vehicle battery box and Vehicular battery bag |
| CN107910466A (en) * | 2017-11-09 | 2018-04-13 | 江苏澳盛复合材料科技有限公司 | New-energy automobile fibre reinforced composites Battery case and its processing method |
| CN108511649A (en) * | 2018-04-19 | 2018-09-07 | 合肥工业大学 | The circulating cooling system and the battery case of a kind of high wall carbon fiber battery case |
| CN108990333A (en) * | 2018-06-25 | 2018-12-11 | 山西平阳重工机械有限责任公司 | Composite material cabinet and its moulding technique |
| CN109473584A (en) * | 2018-11-19 | 2019-03-15 | 苏州银禧新能源复合材料有限公司 | Battery box cover and its moulding process |
| CN114536801A (en) * | 2022-01-20 | 2022-05-27 | 江苏澳盛复合材料科技有限公司 | Forming method of carbon fiber battery box and carbon fiber battery box |
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| CN104766934A (en) * | 2015-03-31 | 2015-07-08 | 中山大学 | Preparation method of sandwich structure and lightweight battery box adopting sandwich structure |
| CN205564846U (en) * | 2016-03-25 | 2016-09-07 | 杭州云乐车辆技术有限公司 | A battery box for electric automobile is last |
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| CN102752971A (en) * | 2011-04-22 | 2012-10-24 | 三菱自动车工业株式会社 | Electrical equipment box |
| CN203760543U (en) * | 2014-03-24 | 2014-08-06 | 宁波大成新材料股份有限公司 | Composite material battery box |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180927A (en) * | 2017-06-02 | 2017-09-19 | 陕西中九汽车工程研究院有限公司 | A kind of pure electric automobile lightweight battery casing and its manufacture method |
| CN107507945A (en) * | 2017-08-24 | 2017-12-22 | 智车优行科技（上海）有限公司 | Vehicular battery clad plate and Vehicular battery bag |
| CN107681083A (en) * | 2017-10-27 | 2018-02-09 | 智车优行科技（上海）有限公司 | Modularization vehicle battery box and Vehicular battery bag |
| CN107910466A (en) * | 2017-11-09 | 2018-04-13 | 江苏澳盛复合材料科技有限公司 | New-energy automobile fibre reinforced composites Battery case and its processing method |
| CN107910466B (en) * | 2017-11-09 | 2020-09-11 | 江苏澳盛复合材料科技有限公司 | Fiber reinforced composite material battery box body for new energy automobile and processing method thereof |
| CN107639858A (en) * | 2017-11-10 | 2018-01-30 | 浙江大学滨海产业技术研究院 | A kind of composite electrokinetic cell bag that there is damage to perceive and preparation method thereof |
| CN108511649A (en) * | 2018-04-19 | 2018-09-07 | 合肥工业大学 | The circulating cooling system and the battery case of a kind of high wall carbon fiber battery case |
| CN108990333A (en) * | 2018-06-25 | 2018-12-11 | 山西平阳重工机械有限责任公司 | Composite material cabinet and its moulding technique |
| CN109473584A (en) * | 2018-11-19 | 2019-03-15 | 苏州银禧新能源复合材料有限公司 | Battery box cover and its moulding process |
| CN114536801A (en) * | 2022-01-20 | 2022-05-27 | 江苏澳盛复合材料科技有限公司 | Forming method of carbon fiber battery box and carbon fiber battery box |
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Application publication date: 20170531 |