CN109103370A - A kind of light-weight electric automobile battery case - Google Patents
A kind of light-weight electric automobile battery case Download PDFInfo
- Publication number
- CN109103370A CN109103370A CN201810730087.6A CN201810730087A CN109103370A CN 109103370 A CN109103370 A CN 109103370A CN 201810730087 A CN201810730087 A CN 201810730087A CN 109103370 A CN109103370 A CN 109103370A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- exterior skin
- inside panel
- cornerite
- carbon fiber
- 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.)
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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
- 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
- H01M50/20—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
- H01M2200/00—Safety devices for primary or secondary 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
- Y02E60/10—Energy storage using batteries
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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 relates to technical field of new energy, refer specifically to a kind of light-weight electric automobile battery case；Cabinet and case lid including rectangle, the cabinet and case lid are made of exterior skin, inside panel and filled layer bonding between the two, the opening of cabinet is equipped with prefabricated flange, and prefabricated flange is equipped with several connecting holes, and case lid is fixed in the opening of cabinet by several connecting holes；The exterior skin and inside panel are that uniaxially prepreg cloth and carbon fiber plain weave prepreg cloth are mixed carbon fiber；Structure of the invention is reasonable, cabinet and case lid ectonexine are all made of composite material and are made, with fire protection flame retarding, corrosion resistant characteristic, reinforcement members, the rock wool board prepared by carbon fibre initial rinse fabric is strengthened side plate and is filled between interior exterior skin, mechanics substrate in cooperation case lid constitutes the cross around cabinet and interlocks filled layer, the effectively integral strength of enhancing battery case, avoids conventional batteries case heaviness and mechanical property poor, meets electric car lightweight demand for development.
Description
Technical field
The present invention relates to technical field of new energy, refer specifically to a kind of light-weight electric automobile battery case.
Background technique
With the rapid development of electric car, automotive light weight technology process is also constantly being accelerated, and electric car is used at present
Battery case be mostly metal material constitute, shortcoming include: quality it is big, it is perishable, not endurance, designability it is low,
Electrical insulating property is poor, these are all the unfavorable factors for hindering electric car lightweight development.And carbon fibre composite is because of its tool
Have the features such as high-strength light, corrosion-resistant, thermodynamic property is good and designability is strong, be widely used in structural material to
It enhances product performance.Therefore, by the way that carbon fibre composite to be applied on electric automobile battery box, traditional gold can effectively be solved
Belong to the most problems of battery case, to push the light-weighted process of electric car significantly, reduces a large amount of manufacturing cost and energy
Source loss.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind is structurally reasonable, can provide enough
Intensity guarantees battery pack safety, fire-retardant corrosion resistant light-weight electric automobile battery case.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of light-weight electric automobile battery case of the present invention, cabinet and case lid including rectangle, the cabinet and
Case lid is made of exterior skin, inside panel and filled layer bonding between the two, and the opening of cabinet is equipped with prefabricated flange, prefabricated
Flange is equipped with several connecting holes, and case lid is fixed in the opening of cabinet by several connecting holes；The exterior skin and inside panel
Be carbon fiber uniaxially prepreg cloth and the prepreg cloth mixing paving of carbon fiber plain weave and solidify after be made.
According to above scheme, the filled layer of the cabinet includes criss-cross reinforcement members, and reinforcement members are layed in cabinet
Between the inside panel and exterior skin of bottom, four ends of reinforcement members be equipped with its integrally formed reinforcing side plate, four
Strengthen side plate to be located between the inside panel of wall box and exterior skin respectively；The reinforcement members and reinforcing side plate use carbon fiber
It ties up uniaxially prepreg cloth and the prepreg cloth mixing paving of carbon fiber plain weave and is made after solidifying.
According to above scheme, the surrounding of the reinforcement members is respectively equipped with four cornerite egative films, and cornerite film holder is set to case
Between the inside panel and exterior skin of body bottom, the two sides of cornerite egative film are equipped with coupled cornerite side plate, cornerite side plate
Accordingly it is located between the inside panel of wall box and exterior skin；The cornerite egative film and cornerite side plate are all made of rock wool board system
At.
According to above scheme, the filled layer of the case lid includes cross mechanics substrate corresponding with reinforcement members, mechanics
Substrate is located between inside panel and exterior skin, and the mechanics substrate is made of rock wool board.
According to above scheme, uniaxially prepreg cloth is successively alternately by several layers carbon fiber for the exterior skin and inside panel
It is made after laying adhering and solidifying, and the superficial layer of exterior skin and inside panel is pasted with carbon fiber plain weave prepreg cloth.
The invention has the following beneficial effects: structure of the invention is reasonable, cabinet and case lid ectonexine are all made of composite material and are made, tool
There are fire protection flame retarding, corrosion resistant characteristic, reinforcement members, the rock wool board prepared by carbon fibre initial rinse fabric is strengthened inside and outside side plate filling
Between covering, the cross for cooperating the mechanics substrate in case lid to constitute around cabinet interlocks filled layer, effectively enhances battery case
Integral strength avoids conventional batteries case heaviness and mechanical property poor, provide it is a kind of meet electric car lightweight hair
Open up desired battery case design structure.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is cabinet decomposition texture schematic diagram of the invention.
In figure:
1, cabinet；2, case lid；3, reinforcement members；11, exterior skin；12, inside panel；13, prefabricated flange；14, connecting hole；
21, mechanics substrate；31, strengthen side plate；32, cornerite egative film；33, cornerite side plate.
Specific embodiment
Technical solution of the present invention is illustrated with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of light-weight electric automobile battery case of the present invention, cabinet 1 and case lid including rectangle
2, the cabinet 1 and case lid 2 are made of exterior skin 11, inside panel 12 and filled layer bonding between the two, the opening of cabinet 1
Place is equipped with prefabricated flange 13, and prefabricated flange 13 is equipped with several connecting holes 14, and case lid 2 is fixed on cabinet by several connecting holes 14
In 1 opening；The exterior skin 11 and inside panel 12 are carbon fiber uniaxially prepreg cloth and carbon fiber plain weave prepreg cloth
It is made after mixing paving and solidification；Uniaxially prepreg cloth is successively handed over by several layers carbon fiber for the exterior skin 11 and inside panel 12
The laying bonding of wrong ground is made, and the superficial layer of exterior skin 11 and inside panel 12 is pasted with carbon fiber plain weave prepreg cloth；It is described
The material that exterior skin 11 and inside panel 12 and filled layer use is guaranteeing battery case structural strength by good flame-retarding characteristic
In the case of, compared to general metal battery case can 90% or more loss of weight, be provided simultaneously with higher fire protecting performance, met lightweight
The demand of Development of Electric Vehicles；The carbon fiber uniaxially prepreg cloth with 0 ° and 90 ° of both directions interlock laying stickup constituted in
The base of covering 12 and exterior skin 11, and the difference sticking carbon fiber plain weave preimpregnation of the surface layer of exterior skin 11 and inside panel 12
Cloth enables battery case to provide better structural strength and fire protecting performance, while having better surface aesthetics.
The filled layer of the cabinet 1 includes criss-cross reinforcement members 3, and reinforcement members 3 are layed in the Inner Mongol of 1 bottom of cabinet
Between skin 12 and exterior skin 11, four ends of reinforcement members 3 are equipped with and its integrally formed reinforcing side plate 31, four reinforcings
Side plate 31 is located in respectively between the inside panel 12 and exterior skin 11 of 1 side wall of cabinet；The reinforcement members 3 are adopted with side plate 31 is strengthened
With carbon fiber uniaxially prepreg cloth and the prepreg cloth mixing paving of carbon fiber plain weave and solidify after be made；The reinforcement members 3
And strengthen side plate 31 and construct the structural support between bottom and side wall exterior skin 11 and inside panel 12 around cabinet 1, material is logical
The test such as limit oxygen index, taper calorimetric is crossed, there is good flame-retarding characteristic；The filled layer of the case lid 2 includes and strengthens structure
The corresponding cross mechanics substrate 21 of part 3, mechanics substrate 21 is located between inside panel 12 and exterior skin 11, the mechanics substrate
21 are made of rock wool board；The case lid 2 is open for closed box 1, while the filled layer in cabinet 1 and case lid 2 constitutes
The staggered Holonomic Mechanics structure of cross makes reinforcement members 3, reinforcing side plate 31 and mechanics substrate 21 play main carrying and makees
With reduction battery case total quality in the case where making battery case meet bearing capacity.
Above-mentioned reinforcement members 3, the cross mechanical support structure for strengthening side plate 31 and 21 component of mechanics substrate, make battery case
Can avoid the influence to Battery case structural mechanical property in any other position aperture, guarantee battery case reliability, can
Processing type and practical application benefit.
The surrounding of the reinforcement members 3 is respectively equipped with four cornerite egative films 32, and cornerite egative film 32 is located in 1 bottom of cabinet
Between inside panel 12 and exterior skin 11, the two sides of cornerite egative film 32 are equipped with coupled cornerite side plate 33, cornerite side plate
33 are accordingly located between the inside panel 12 and exterior skin 11 of 1 side wall of cabinet；The cornerite egative film 32 and cornerite side plate 33 are equal
It is made of rock wool board；The cornerite egative film 32 and cornerite side plate 33 are made of the inorfil of high-temperature fusion processing, are had
Low, the fire-retardant feature of light weight, thermal coefficient, cornerite egative film 32 and cornerite side plate 33 are filled with the filling of 3 surrounding of reinforcement members
Layer gap, guarantees in the complete situation of 1 overall structure of cabinet, while enhancing the intensity at 1 four base angles of cabinet and to internal cell
Protection, reduce the gravity of battery case entirety, improve the safety in utilization of battery pack.
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (5)
1. a kind of light-weight electric automobile battery case, cabinet (1) and case lid (2) including rectangle, it is characterised in that: the cabinet
(1) it is made with case lid (2) of exterior skin (11), inside panel (12) and filled layer bonding between the two, the opening of cabinet (1)
Place is equipped with prefabricated flange (13), and prefabricated flange (13) is equipped with several connecting holes (14), and case lid (2) passes through several connecting holes (14)
It is fixed in the opening of cabinet (1)；The exterior skin (11) and inside panel (12) are carbon fiber uniaxially prepreg cloth and carbon fiber
It is made after dimension plain weave prepreg cloth mixing paving and solidification.
2. light-weight electric automobile battery case according to claim 1, it is characterised in that: the filled layer of the cabinet (1)
Including criss-cross reinforcement members (3), reinforcement members (3) are layed in the inside panel (12) and exterior skin (11) of cabinet (1) bottom
Between, four ends of reinforcement members (3) are equipped with and its integrally formed reinforcing side plate (31), four reinforcing side plates (31) point
It is not located between the inside panel (12) and exterior skin (11) of cabinet (1) side wall；The reinforcement members (3) and reinforcing side plate (31)
Using carbon fiber uniaxially prepreg cloth and the prepreg cloth mixing paving of carbon fiber plain weave and solidify after be made.
3. light-weight electric automobile battery case according to claim 2, it is characterised in that: the four of the reinforcement members (3)
It is respectively equipped with four cornerite egative films (32) week, cornerite egative film (32) is located in the inside panel (12) and exterior skin of cabinet (1) bottom
(11) between, the two sides of cornerite egative film (32) are equipped with coupled cornerite side plate (33), and cornerite side plate (33) is accordingly
It is located between the inside panel (12) and exterior skin (11) of cabinet (1) side wall；The cornerite egative film (32) and cornerite side plate (33)
Rock wool board is all made of to be made.
4. light-weight electric automobile battery case according to claim 1, it is characterised in that: the filled layer of the case lid (2)
Including cross mechanics substrate (21) corresponding with reinforcement members (3), mechanics substrate (21) is located in inside panel (12) and outer illiteracy
Between skin (11), the mechanics substrate (21) is made of rock wool board.
5. light-weight electric automobile battery case according to claim 1, it is characterised in that: the exterior skin (11) and Inner Mongol
By several layers carbon fiber, uniaxially prepreg cloth is successively alternately made after laying adhering and solidifying skin (12), and exterior skin (11) and
The superficial layer of inside panel (12) is pasted with carbon fiber plain weave prepreg cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730087.6A CN109103370B (en) | 2018-07-05 | 2018-07-05 | Lightweight battery box of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730087.6A CN109103370B (en) | 2018-07-05 | 2018-07-05 | Lightweight battery box of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109103370A true CN109103370A (en) | 2018-12-28 |
| CN109103370B CN109103370B (en) | 2020-05-05 |
Family
ID=64845787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810730087.6A Active CN109103370B (en) | 2018-07-05 | 2018-07-05 | Lightweight battery box of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109103370B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161668A (en) * | 2021-03-09 | 2021-07-23 | 北京海纳川汽车部件股份有限公司 | Battery pack box, battery pack and vehicle |
| CN113839135A (en) * | 2020-06-05 | 2021-12-24 | 奥动新能源汽车科技有限公司 | Battery box and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010318A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Cold storage and thermoregulation carriage, and manufacturing method and application thereof |
| CN206490117U (en) * | 2017-02-24 | 2017-09-12 | 宁德时代新能源科技股份有限公司 | Battery case |
| CN206598716U (en) * | 2017-03-27 | 2017-10-31 | 新乡市新能电动汽车有限公司 | A kind of light-weight electric automobile battery case |
| CN107521124A (en) * | 2017-07-31 | 2017-12-29 | 江苏恒神股份有限公司 | Carbon fiber dual platen reinforced structure part and its manufacture method |
-
2018
- 2018-07-05 CN CN201810730087.6A patent/CN109103370B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010318A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Cold storage and thermoregulation carriage, and manufacturing method and application thereof |
| CN206490117U (en) * | 2017-02-24 | 2017-09-12 | 宁德时代新能源科技股份有限公司 | Battery case |
| CN206598716U (en) * | 2017-03-27 | 2017-10-31 | 新乡市新能电动汽车有限公司 | A kind of light-weight electric automobile battery case |
| CN107521124A (en) * | 2017-07-31 | 2017-12-29 | 江苏恒神股份有限公司 | Carbon fiber dual platen reinforced structure part and its manufacture method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839135A (en) * | 2020-06-05 | 2021-12-24 | 奥动新能源汽车科技有限公司 | Battery box and preparation method thereof |
| CN113161668A (en) * | 2021-03-09 | 2021-07-23 | 北京海纳川汽车部件股份有限公司 | Battery pack box, battery pack and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109103370B (en) | 2020-05-05 |
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