CN207303186U - A kind of new cast aluminium Battery case of New-energy electric vehicle - Google Patents

A kind of new cast aluminium Battery case of New-energy electric vehicle Download PDF

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Publication number
CN207303186U
CN207303186U CN201721173539.2U CN201721173539U CN207303186U CN 207303186 U CN207303186 U CN 207303186U CN 201721173539 U CN201721173539 U CN 201721173539U CN 207303186 U CN207303186 U CN 207303186U
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China
Prior art keywords
babinet
main body
new
battery case
cast aluminium
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CN201721173539.2U
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Chinese (zh)
Inventor
刘彬
李永江
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Lishen Qingdao New Energy Co Ltd
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Lishen Power Battery System Co Ltd
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Priority to CN201721173539.2U priority Critical patent/CN207303186U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a kind of new cast aluminium Battery case of New-energy electric vehicle, including babinet main body (1), a plurality of waling (4) for being internally provided with the horizontally-parallel a plurality of cross reinforcing (3) being set up in parallel and genesis analysis of the babinet main body (1);The a plurality of cross reinforcing (3), the waling (4) of a plurality of genesis analysis and the babinet main body (1) being integrated casting.A kind of new cast aluminium Battery case of New-energy electric vehicle disclosed in the utility model, its is simple in structure, convenient for production, light-weight, and shockproof effect is good, it disclosure satisfy that security requirement of the current New-energy electric vehicle to Battery case, with relatively low manufacture cost, be conducive to widely production application, be of great practical significance.

Description

A kind of new cast aluminium Battery case of New-energy electric vehicle
Technical field
New-energy electric vehicle technical field is the utility model is related to, more particularly to a kind of the new of New-energy electric vehicle Type cast aluminium Battery case.
Background technology
At present, the power of New-energy electric vehicle is mainly provided by battery system, the first layer machinery of whole battery system Protective device is Battery case.Battery case is the core building block of the battery system of New-energy electric vehicle, it is mainly made With being splendid attire and protect the battery system placed in it and be attached fixation with new energy electric motor vehicle.Battery case is not only reserved The interface being connected with vehicle, and install in interface and fix high and low pressure connector, while be also equipped with being connected fixation with vehicle Device, battery system can be safely and reliably affixed to vehicle together with.
It should be noted that for the battery system of New-energy electric vehicle, its be typically comprising battery core or battery modules, Including the high-low pressure connector that battery management system (BMS), high voltage distribution installation, high-low pressure harness and battery are connected with vehicle A complete electrical energy system, the battery system be installed on Battery case in.
All use Metal plate for most of current New-energy electric vehicle, its Battery case, by weld it is assembled and Into.For sheet metal box body there are weld seam is more, easy leak, welds yielding, installation dimension there are the defects of deviation, production efficiency is not too It is high.In addition, metal plate battery case causes box mold to use spy due to factors such as the hardness of moulding material and body structure moulding The steel cost of manufacture very handled is very high, and mould species is very much, and cost control pressures are very big.Another weakness of sheet metal box body is Weight weight, can not progressively meet requirement of the New-energy electric vehicle to energy accounting index, structure design is if there is defect, shake Dynamic experiment detection can find the easy cracking phenomenon of babinet.
Therefore, there is an urgent need to develop a kind of Battery case is gone out, its is simple in structure, convenient for production, light-weight, and shockproof effect Fruit is good, disclosure satisfy that security requirement of the current New-energy electric vehicle to Battery case, has relatively low manufacture cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of new cast aluminium Battery case of New-energy electric vehicle, Its is simple in structure, convenient for production, light-weight, and shockproof effect is good, disclosure satisfy that current New-energy electric vehicle to battery case The security requirement of body, has relatively low manufacture cost, is conducive to widely production application, and there are great production practices to anticipate Justice.
For this reason, the utility model provides a kind of new cast aluminium Battery case of New-energy electric vehicle, including babinet master Body, the babinet main body are internally provided with a plurality of vertical of the horizontally-parallel a plurality of cross reinforcing and genesis analysis being set up in parallel To reinforcing rib;
The a plurality of cross reinforcing, the waling of a plurality of genesis analysis and babinet main body position integration casting Shaping.
Wherein, the cross reinforcing and waling and the inside of the babinet main body are real by low-pressure casting process Existing integration casting.
Wherein, symmetrical casting has multipair babinet lifting lug at left and right sides of the babinet main body.
Wherein, the bottom of each babinet lifting lug is cast with the reinforcing rib of the strip of cross direction profiles, the reinforcing rib With the main body integrated casting of the babinet.
Wherein, each babinet lifting lug and babinet main body the being integrated casting.
Wherein, the bottom outer surface of the babinet main body is coated with polyvinylchloride coating.
Wherein, the babinet main body is integrated the babinet of casting.
Wherein, the babinet main body be use the trade mark for ZL102 cast aluminium alloy gold and molding babinet.
Technical solution provided by the utility model is as it can be seen that compared with prior art, the utility model provides more than A kind of new cast aluminium Battery case of New-energy electric vehicle, its is simple in structure, convenient for production, light-weight, and shockproof effect It is good, it disclosure satisfy that security requirement of the current New-energy electric vehicle to Battery case, there is relatively low manufacture cost, be conducive to Widely production application, is of great practical significance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the new cast aluminium Battery case of New-energy electric vehicle provided by the utility model Figure;
In figure, 1 is babinet main body, and 2 be babinet lifting lug, and 3 be cross reinforcing, and 4 be waling.
Embodiment
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment The utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of new cast aluminium Battery case of New-energy electric vehicle, including babinet Main body 1, the inside of the babinet main body 1 are used for the battery system for placing the New-energy electric vehicle;
The babinet main body 1 is internally provided with the horizontally-parallel a plurality of cross reinforcing 3 and genesis analysis being set up in parallel A plurality of waling 4;
The lateral mid-point of a plurality of cross reinforcing 3 while the waling 4 with four genesis analysis and institute 1 being integrated casting of babinet main body is stated, structural strength is high so that it is sufficiently tight during support battery system, have very strong Shockproof effect.
In the utility model, in specific implementation, the babinet main body 1 is preferably to use casting aluminium of the trade mark for ZL102 Alloy and molding babinet.
In the utility model, in specific implementation, the babinet of 1 the being integrated casting of babinet main body, by ZL102 Cast aluminium alloy gold carry out monoblock cast, one-pass molding.
It is described vertical, it is necessary to which explanation, the cross reinforcing 3 are the metal ribs of cross direction profiles in the utility model To the metal ribs that reinforcing rib 4 is genesis analysis.It should be noted that the waling 4 is in a unlimited number in shown in Fig. 1 Four, according to the needs of user, it can also be any a plurality of, and 3 optional position of a plurality of cross reinforcing is connected.
In the utility model, in specific implementation, the cross reinforcing 3 and waling 4 and the babinet main body 1 Inside pass through low-pressure casting process and realize integrated casting.
In the utility model, the symmetrical fixed cast in the left and right sides of the babinet main body 1 forms four pairs of babinet lifting lugs 2, in specific implementation, according to the actual size of babinet main body 1 and the needs of user, any multipair babinet lifting lug can also be set 2。
In specific implementation, each babinet lifting lug 2 and the babinet main body 1 preferably integrated casting, structure Intensity is high.
In specific implementation, positioned at the size of the babinet lifting lug 2 of two middle side parts of the babinet main body 1, more than positioned at described The size of the babinet lifting lug 2 of the both sides other positions of babinet main body 1 so that have more to the middle part of the babinet main body 1 Strong supporting role, further improves the shockproof effect of babinet main body 1.
In specific implementation, the bottom of each babinet lifting lug 2 is provided with the reinforcing rib of the strip of cross direction profiles, described Reinforcing rib and the 1 integral low pressure casting of babinet main body, so as to supporting box lifting lug 2, further enhance babinet Degree of being connected firmly between lifting lug 2 and babinet main body 1, prevents babinet lifting lug 2 to be broken after prolonged use.
In specific implementation, the babinet lifting lug 2 is used for and needs the vehicle frame of New-energy electric vehicle to be mounted to be fixedly connected Together.
In the utility model, in specific implementation, the bottom outer surface of the babinet main body 1 is coated with polyvinylchloride Coating (i.e. armoring).
In the utility model, in specific implementation, the babinet main body 1 is preferably the babinet crossed by electrophoretic process.
It should be noted that in the utility model, the casting technique of the babinet main body 1 is briefly described as:Babinet master The preheating of mould needs the temperature of priority control mould, and die lubricant spray painting control main points are in mould inner surface roughness, aluminium The liquid melting of alloy removes component ratio in impurity analysis aluminium alloy solution, is poured into mould, it is ensured that (aluminium closes pouring temperature Golden fluid temperature and mold temperature) it is qualified, after babinet main body spray is cooled and shaped, its surface quality check clear Reason, ball blast carry out spray surface roughness processing, then carry out the inspection of blank apparent size and the spray of casting Mechanical performance test.
It should be noted that in the utility model, the processing technology of the babinet main body 1 is briefly described as:To babinet The cast blank part of main body carries out line processing, roughing end face, and critical process is by hydraulic pressure and airtight detects babinet Casting whether there is casting flaw, line processing, and clamping enters digital control processing critical process, reconditioning school is carried out to babinet after processing Just, finally by electrophoresis process to Battery case main body be surface-treated and application.
For the utility model, in design, fully take into account the general boundary dimensions of Battery case main body it is larger (such as About 1905*1150mm) so that casting area is big, outer shape and inner mold is complicated causes that wall thickness is locally uneven, need to hold (it can need to be shaken by dynamic high load capacity in the state of about 340kg is loaded by the vehicle body parts national standard of national authentication qualification The test such as move, extrude, falling), at the same time, sealing performance requirement also needs to reach IP67 protection level requirements.In addition, in the choosing of material Selecting has higher requirement, by the analysis repeatedly to multiple material and verification after, the utility model finally use the trade mark for The cast aluminium alloy gold of ZL102 carrys out casting box main body as raw material.
According to casting technique, be determined that the wall thickness of babinet main body is at least 5mm under the premise of light-weighted, and to structure into Adjustment is gone, has required high position to reserve allowance in sealing surface and fitting surface equally accurate and be easy to following process.Babinet master Body has the wall thickness of 5mm, greatly improves the anti-impact force and intensity of cast aluminium battery case, and due to cast aluminium alloy gold ZL102 Density be only 2.70g/cm3, far below existing Battery case main body used by iron plate 7.85g/cm3Density, therefore, In the utility model, its babinet main body manufactured has still achieveed the purpose that loss of weight.In follow-up processing, by adding with higher The numerically-controlled machine tool of work precision carries out comprehensive secondary operation to the mounting surface of product and mounting hole position, can further improve product Precision.
Compared with prior art, new cast aluminium Battery case provided by the utility model, has following beneficial effect:
1st, babinet main body 1 uses ZL102 cast aluminium alloy golds as raw material, to Battery case carry out monoblock cast, once into Shape, can significantly mitigate the weight of babinet main body, while also advantageously improve its globality, waterproof seal, impact resistance With anti-surrender ability, uniformity is good, efficient, and processing dimension well ensures;
2nd, the thermal diffusivity using the babinet main body 1 of ZL102 cast aluminium alloy golds casting is preferable, the thermal conductivity factor of cast aluminium alloy gold For 163W/m.K, the thermal conductivity factor 54W/m.K of the iron material matter used on year-on-year basis far above existing Battery case, so that, realize more preferable Heat dissipation effect;
3rd, the babinet main body 1 cast using ZL102 cast aluminium alloy golds, its corrosion-resistant intensity is high, and applied electrophoretic is handled and gathered Vinyl chloride PVC is armoring, so that even if the sealer of babinet main body 1 is scraped off, security risk will not occurs;
4th, the babinet lifting lug 2 of installation is attached for the car body with new-energy automobile, its inside is embedded with steel ingot, Neng Goujin Degree of being connected firmly between one step enhancing babinet lifting lug 2 and babinet main body 1, prevents babinet lifting lug 2 from deforming after prolonged use Fracture.
In conclusion compared with prior art, a kind of new casting of New-energy electric vehicle provided by the utility model Aluminum cell babinet, its is simple in structure, convenient for production, light-weight, and shockproof effect is good, disclosure satisfy that current new-energy automobile pair The security requirement of Battery case, has relatively low manufacture cost, is conducive to widely production application, has great production reality Trample meaning.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (8)

1. the new cast aluminium Battery case of a kind of New-energy electric vehicle, it is characterised in that including babinet main body (1), the case The a plurality of longitudinal direction for being internally provided with the horizontally-parallel a plurality of cross reinforcing (3) being set up in parallel and genesis analysis of phosphor bodies (1) Reinforcing rib (4);
The a plurality of cross reinforcing (3), the waling (4) of a plurality of genesis analysis and the babinet main body (1) are integrated Change casting.
2. new cast aluminium Battery case as claimed in claim 1, it is characterised in that the cross reinforcing (3) and longitudinal direction add Strengthening tendons (4) passes through the integrated casting of low-pressure casting process realization with the inside of the babinet main body (1).
3. new cast aluminium Battery case as claimed in claim 2, it is characterised in that the left and right sides of the babinet main body (1) Symmetrical casting has multipair babinet lifting lug (2).
4. new cast aluminium Battery case as claimed in claim 3, it is characterised in that the bottom of each babinet lifting lug (2) It is provided with the reinforcing rib of the strip of cross direction profiles, reinforcing rib casting integrated with the babinet main body (1).
5. new cast aluminium Battery case as claimed in claim 4, it is characterised in that each babinet lifting lug (2) with it is described Babinet main body (1) being integrated casting.
6. new cast aluminium Battery case as claimed in claim 1, it is characterised in that the bottom outer of the babinet main body (1) Face is coated with polyvinylchloride coating.
7. the new cast aluminium Battery case as any one of claim 1 to 6, it is characterised in that the babinet main body (1) The babinet of being integrated casting.
8. new cast aluminium Battery case as claimed in claim 7, it is characterised in that the babinet main body (1) is using the trade mark For ZL102 cast aluminium alloy gold and molding babinet.
CN201721173539.2U 2017-09-14 2017-09-14 A kind of new cast aluminium Battery case of New-energy electric vehicle Active CN207303186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721173539.2U CN207303186U (en) 2017-09-14 2017-09-14 A kind of new cast aluminium Battery case of New-energy electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721173539.2U CN207303186U (en) 2017-09-14 2017-09-14 A kind of new cast aluminium Battery case of New-energy electric vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108520931A (en) * 2018-06-11 2018-09-11 浙江乾坤新能源科技有限公司 Battery pack box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108520931A (en) * 2018-06-11 2018-09-11 浙江乾坤新能源科技有限公司 Battery pack box

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220119

Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong

Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD.

Address before: 300384 Tianjin Xiqing District Binhai new and high technology Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai Nan Road No. 38.

Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd.

TR01 Transfer of patent right