CN107910466A - New-energy automobile fibre reinforced composites Battery case and its processing method - Google Patents
New-energy automobile fibre reinforced composites Battery case and its processing method Download PDFInfo
- Publication number
- CN107910466A CN107910466A CN201711095970.4A CN201711095970A CN107910466A CN 107910466 A CN107910466 A CN 107910466A CN 201711095970 A CN201711095970 A CN 201711095970A CN 107910466 A CN107910466 A CN 107910466A
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- China
- Prior art keywords
- case body
- case
- stent
- fibre reinforced
- reinforced composites
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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
- 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
The present invention relates to a kind of new-energy automobile fibre reinforced composites Battery case, including case body, stent, reinforcing portion, case body has at least one opening, stent includes bottom plate and side plate, shallow storage space is formed between bottom plate and side plate, case body is arranged in shallow storage space, and reinforcing portion circumferentially encloses the stent for being provided with case body.Its processing method comprises the following steps：Pass through case body of the pultrude process shaping with opening；Pass through stent of the mould pressing process shaping with shallow storage space；Case body is put into shallow storage space, and both are attached；The stent surrounding for being placed with case body is wound to form reinforcing portion by winding process.The Battery case of the present invention is processed using fibre reinforced composites, and specific strength, specific stiffness, impact resistance, corrosion resistance, good airproof performance, impact resistant impact force is strong, and weight loss effect is obvious；And production efficiency is high, and production cost is low, can be mass-produced.
Description
Technical field
The present invention relates to composite material manufacturing field, more particularly to a kind of new-energy automobile fibre reinforced composites
Battery case and its processing method.
Background technology
As the development of New-energy electric vehicle, kernel component of the power battery as new energy car, its security are straight
The security for influencing vehicle is connect, the electrokinetic cell system of pure electric automobile is usually placed in below underbody, has more
Cruel installation environment, carrier of the Battery case as power battery, trouble free service and protection to battery pack play crucial work
With its security, reliability and durability are most important, decide the performance of vehicle.
At home, traditional Battery case is manufactured using metal material, such as steel or aluminium alloy, but metal battery babinet
Weight is laid particular stress on, and can reduce the Energy Efficiency Ratio of Battery case；Poor sealing, can make Battery case soak and cause battery short circuit；Corrosion resistant
Corrosion is poor, Battery case can be made easily to be corroded；In addition, also there is processing technology is complicated, thermal conductivity factor is low, impact strength is low etc.
Defect and the lightweight that can not realize automobile.Battery case can also use resin base fiber reinforced composite material, particularly carbon
Fibrous composite, since the performances such as material specific strength itself, specific stiffness, impact resistance and corrosion resistance are significantly better than metal material
Material, corrosion-resistant and weight loss effect is obvious, is following battery for electric automobile babinet ideal material, but composite material electricity at this stage
Pond case uses prepreg-autoclave or resin transfer moulding technology more, complicated there is processing technology, low production efficiency, product
The shortcomings of of high cost so that New energy electric box body can not be increased using fibre reinforced composites particularly carbon fiber on a large scale
Strong composite material manufacture.
The content of the invention
It is an object of the present invention to provide a kind of new-energy automobile fibre reinforced composites Battery case.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of new-energy automobile fibre reinforced composites Battery case, including：
Case body, the case body have at least one opening；
Stent, the stent include bottom plate and side plate, and shallow storage space, the case sheet are formed between the bottom plate and side plate
Body is arranged in the shallow storage space；
Reinforcing portion, the reinforcing portion circumferentially enclose the stent for being provided with the case body.
Preferably, side plate of the opening of the case body towards the stent.
Preferably, the opening of the case body is upward.
It is further preferred that the Battery case further includes case lid, the case lid is covered in the shallow storage space
Top, and the opening of the case body is covered.
Preferably, the case body is tube body.
It is further preferred that the section of the case body is square.
Preferably, the floor level is set, and the side plate is vertically positioned at the opposite sides of the bottom plate, and
Side horizontal-extending formation extension of the upper end of the side plate to the remote bottom plate.
Preferably, the width of the shallow storage space and the width of the case body match.
Preferably, the fiber in the fibre reinforced composites include carbon fiber, glass fibre, basalt fibre,
Aramid fiber, polyimide fiber；Matrix resin in the fibre reinforced composites includes thermosetting resin or thermoplastic
Property resin, the thermosetting resin include unsaturated-resin, vinylite, epoxy resin, phenolic resin, cyanate resin
Fat, bimaleimide resin, the thermoplastic resin include polyolefin, makrolon, polyimides.
It is further preferred that the fiber in the fibre reinforced composites is carbon fiber, the matrix resin is
Epoxy resin.
Preferably, case body, stent, reinforcing portion and the case lid are the fibre reinforced composites.
It is a further object to provide a kind of new-energy automobile adding with fibre reinforced composites Battery case
Work method.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of new-energy automobile processing method of fibre reinforced composites Battery case, comprises the following steps：
（1a）, by pultrude process shaping with opening tube body, the tube body is the case body；
（1b）, pass through mould pressing process shaping with the shallow storage space stent；
（2）, the case body is put into the shallow storage space, and both are attached；
（3）, by winding process the stent surrounding for being placed with the case body is wound to form the reinforcing portion.
Preferably, when the case body is put into the shallow storage space, the opening direction of the case body is made
The side plate of stent.
Preferably, when the case body is put into the shallow storage space, the opening direction of the case body is made
Top.
It is further preferred that the method is further included is molded case lid by stamping technique, the case lid is covered
The top of the shallow storage space, the opening of the case body is covered and is attached.
Preferably, carried out, carried out preferably by adhesive glued using bonding or mechanical system when being attached.
Compared using fibre reinforced composites and metal material：
| Fibre reinforced composites | Metal material | |
| Weight/density | 1.4（Fibre reinforced）-2.1（Glass fiber reinforcement） | 2.7-7.8 g/cm3 |
| Corrosion resistance | Acid and alkali-resistance | Not acid and alkali-resistance |
| Leakproofness | It is good | Difference |
| Impact strength | It is good | Difference |
Using the application processing method with being compared using prepreg-autoclave or resin transfer moulding method：
| The application processing method | Prepreg-autoclave or resin transfer moulding | |
| Production efficiency | Produce 100000+ per year | <10000 is annual |
| Production cost | 400-800 | 1500-3000 |
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
The present invention Battery case using fibre reinforced composites processing, specific strength, specific stiffness, impact resistance, corrosion resistance,
Good airproof performance, impact resistant impact force is strong, and weight loss effect is obvious；And production efficiency is high, and production cost is low, can in high volume give birth to
Production.
Brief description of the drawings
Attached drawing 1a is the schematic diagram of one raising middle flask body of embodiment；
Attached drawing 1b is the schematic diagram of stent in embodiment one；
Attached drawing 1c is the schematic diagram that one raising middle flask body of embodiment is placed in stent；
Attached drawing 1d is the schematic diagram of Battery case in embodiment one；
Attached drawing 2a is the schematic diagram of two raising middle flask body of embodiment；
Attached drawing 2b is the schematic diagram of stent in embodiment two；
Attached drawing 2c is the schematic diagram that two raising middle flask body of embodiment is placed in stent；
Attached drawing 2d is the schematic diagram that reinforcing portion is wrapped in the bracket outer for being placed with case body in embodiment two；
Attached drawing 2e is the schematic diagram of case lid in embodiment two；
Attached drawing 2f is the schematic diagram of Battery case in embodiment two.
Wherein：1a, 1b, case body；10th, it is open, 2, stent；20th, bottom plate；21st, side plate；22nd, shallow storage space；23rd, extend
Portion；3rd, reinforcing portion；4th, case lid.
Embodiment
Below in conjunction with the accompanying drawings and case study on implementation the invention will be further described：
Embodiment one：
A kind of new-energy automobile fibre reinforced composites Battery case, including：
Case body 1a, case body 1a have at least one opening 10, in the present embodiment：Case body 1a is tube body, and section is in
Square, i.e. case body 1a is a square tube, as shown in Figure 1a.
Stent 2, stent 2 include bottom plate 20 and side plate 21, and shallow storage space 22 is formed between bottom plate 20 and side plate 21, put empty
Between 22 width of width and case body 1a match, in the present embodiment：Bottom plate 20 is horizontally disposed, and side plate 21 is vertically positioned at bottom
The opposite sides of plate 20, and the upper end of side plate 21 forms extension 23, extension to the side away from bottom plate 20 is horizontal-extending
Portion 23 can carry Battery case as handle, as shown in Figure 1 b.
Case body 1a is arranged in shallow storage space 22, and the opening 10 of the case body 1a of tube body is towards the side plate 21 of stent 2,
So side plate 21 just blocks the opening 10 of case body 1a, as illustrated in figure 1 c.That is the structure needs first to put battery
The assembling of Battery case is carried out in cartonning body 1a again.
Reinforcing portion 3, the circumferential enclosing of stent 2 that reinforcing portion 3 will be provided with case body 1a, i.e., by the side plate 21 of stent 2, case sheet
Body 1a is wrapped, such as Fig. 1 d.
In the present embodiment：Case body 1a, stent 2, reinforcing portion 3 are fibre reinforced composites, fiber-reinforced composite
Material is carbon fibre composite, and fiber is carbon fiber, and matrix resin is epoxy resin.
The processing method for illustrating lower the present embodiment in detail below：
（1a）, by pultrude process shaping with opening 10 square tube body, square tube body is case body 1a；
（1b）, pass through stent 2 of the mould pressing process shaping with shallow storage space, i.e. prolonging on bottom plate 20, side plate 21 and side plate 21
Extending portion 23 is integrally formed；
（2）, case body 1a is put into the shallow storage space 22 of stent 2, and 10 direction of opening of the case body 1a of square tube body
The side plate 21 of stent 2, and both are attached, the mode of connection can be that bonding or mechanical system carry out, wherein being bonded
Bonding agent is such as used, mechanical system is then such as screw；
（3）, by winding process 2 surrounding of stent for being placed with case body 1a is wound to form reinforcing portion 3.
Embodiment two：
Case body 1b, case body 1a have at least one opening 10, in the present embodiment：Case body 1a is tube body, and section is in
Square, i.e. case body 1a is a square tube, as shown in Figure 2 a.
Stent 2, stent 2 include bottom plate 20 and side plate 21, and shallow storage space 22 is formed between bottom plate 20 and side plate 21, put empty
Between 22 width of width and case body 1a match, in the present embodiment：Bottom plate 20 is horizontally disposed, and side plate 21 is vertically positioned at bottom
The opposite sides of plate 20, and the upper end of side plate 21 forms extension 23, extension to the side away from bottom plate 20 is horizontal-extending
Portion 23 can carry Battery case as handle, as shown in Figure 2 b.
Case body 1a is arranged in shallow storage space 22, and the opening 10 of the case body 1b of tube body is upward, i.e. case body
The opening 10 of 1b is exposed, available for battery is put into, as shown in Figure 2 c.
Reinforcing portion 3, the circumferential enclosing of stent 2 that reinforcing portion 3 will be provided with case body 1a, i.e., by the side plate 21 of stent 2, case sheet
Body 1a is wrapped, such as Fig. 2 d.
Case lid 4, case lid 4 are covered in the top of shallow storage space 22, and the opening 10 of case body 1b are covered, the width of case lid 4
Degree can be consistent with the width of stent 2, i.e., the width of case lid 4 is equal to the summation of 23 width of bottom plate 20 and both sides extension, such as
Shown in Fig. 2 e, 2f.
In the present embodiment：Case body 1a, stent 2, reinforcing portion 3 and case lid 4 are fibre reinforced composites, fiber
Enhancing composite material is carbon fibre composite, and fiber is carbon fiber, and matrix resin is epoxy resin.
The processing method for illustrating lower the present embodiment in detail below：
（1a）, by pultrude process shaping with opening 10 square tube body, square tube body is case body 1b；
（1b）, pass through stent 2 of the mould pressing process shaping with shallow storage space, i.e. prolonging on bottom plate 20, side plate 21 and side plate 21
Extending portion 23 is integrally formed；
（2）, case body 1b is put into the shallow storage space 22 of stent 2, and 10 direction of opening of the case body 1b of square tube body
Top, and both are attached, the mode of connection can be that bonding or mechanical system carry out, wherein bonding is as using bonding
Agent, mechanical system are then such as screw；
（3）, by winding process 2 surrounding of stent for being placed with case body 1a is wound to form reinforcing portion 3；
（4）, by stamping technique be molded case lid 4, case lid 4 is covered in the top of shallow storage space 22, by the opening of case body 1b
10 cover and are attached, and the mode of connection can be that bonding or mechanical system carry out, wherein bonding is as used bonding agent, machine
Tool mode is then such as screw.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (10)
- A kind of 1. new-energy automobile fibre reinforced composites Battery case, it is characterised in that：Including：Case body, the case body have at least one opening；Stent, the stent include bottom plate and side plate, and shallow storage space, the case sheet are formed between the bottom plate and side plate Body is arranged in the shallow storage space；Reinforcing portion, the reinforcing portion circumferentially enclose the stent for being provided with the case body.
- 2. new-energy automobile according to claim 1 fibre reinforced composites Battery case, it is characterised in that：It is described Case body opening towards the stent side plate.
- 3. new-energy automobile according to claim 1 fibre reinforced composites Battery case, it is characterised in that：It is described Case body opening upward.
- 4. new-energy automobile according to claim 3 fibre reinforced composites Battery case, it is characterised in that：It is described Battery case further include case lid, the case lid is covered in the top of the shallow storage space, and by the case body Opening masking.
- 5. new-energy automobile according to claim 1 fibre reinforced composites Battery case, it is characterised in that：It is described Case body be tube body.
- 6. new-energy automobile according to claim 1 fibre reinforced composites Battery case, it is characterised in that：It is described Floor level set, the side plate is vertically positioned at the opposite sides of the bottom plate, and the upper end of the side plate To the horizontal-extending formation extension in side away from the bottom plate.
- 7. new-energy automobile according to claim 1 fibre reinforced composites Battery case, it is characterised in that：It is described Fibre reinforced composites in fiber to include carbon fiber, glass fibre, basalt fibre, aramid fiber, polyimides fine Tie up, the matrix resin in the fibre reinforced composites includes thermosetting resin or thermoplastic resin, the thermosetting property Resin includes unsaturated-resin, vinylite, epoxy resin, phenolic resin, cyanate ester resin, bimaleimide resin, The thermoplastic resin includes polyolefin, makrolon, polyimides.
- A kind of 8. method for processing the Battery case described in above-mentioned any one claim, it is characterised in that：Including following step Suddenly：（1a）, by pultrude process shaping with opening tube body, the tube body is the case body；（1b）, pass through mould pressing process shaping with the shallow storage space stent；（2）, the case body is put into the shallow storage space, and both are attached；（3）, by winding process the stent surrounding for being placed with the case body is wound to form the reinforcing portion.
- 9. according to the method described in claim 8, it is characterized in that：The method is further included by stamping technique shaping box Lid, the case lid is covered in the top of the shallow storage space and is attached.
- 10. method according to claim 8 or claim 9, it is characterised in that：When being attached using bonding or mechanical system into OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095970.4A CN107910466B (en) | 2017-11-09 | 2017-11-09 | Fiber reinforced composite material battery box body for new energy automobile and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095970.4A CN107910466B (en) | 2017-11-09 | 2017-11-09 | Fiber reinforced composite material battery box body for new energy automobile and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107910466A true CN107910466A (en) | 2018-04-13 |
| CN107910466B CN107910466B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095970.4A Active CN107910466B (en) | 2017-11-09 | 2017-11-09 | Fiber reinforced composite material battery box body for new energy automobile and processing method thereof |
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| CN107910466B (en) | 2020-09-11 |
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