CN208460846U - A kind of power battery pack cover structure - Google Patents
A kind of power battery pack cover structure Download PDFInfo
- Publication number
- CN208460846U CN208460846U CN201821321281.0U CN201821321281U CN208460846U CN 208460846 U CN208460846 U CN 208460846U CN 201821321281 U CN201821321281 U CN 201821321281U CN 208460846 U CN208460846 U CN 208460846U
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- CN
- China
- Prior art keywords
- cover body
- box cover
- power battery
- battery pack
- case lid
- 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
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- 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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- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of power battery pack cover structure applied to power battery technology field, the box cover body (1) of the power battery pack cover structure is made by polyester sheet molding compound, case lid mounting portion (2) are arranged in box cover body (1) edge, multiple case lid mounting holes (3) are set on case lid mounting portion (2), multiple foam blocks (4) are also set up in box cover body (1), foam block (4) is made by pet material, multiple MSD mounting holes (8) are also set up in box cover body (1).The power battery pack cover structure of the utility model, structure is simple, case lid weight can effectively be mitigated, the integral strength for guaranteeing case lid realizes the light-weight design of power battery pack, while being not required to the surface treatment such as carry out electrophoresis again, dust after case lid molding, so that process flow is simple, cost reduces, and collision class deformation is not easy to produce during transport, producing line assembly etc., improves overall performance and ease of use.
Description
Technical field
The utility model belongs to power battery technology field, is to be related to a kind of power battery pack case lid knot more specifically
Structure.
Background technique
Power battery pack case lid mainly seals, and stress is little, generallys use steel plate (or aluminium sheet) at present and is rolled over
Curved welding or punch forming.But power battery pack case lid in the prior art the problem of being primarily present following several respects: 1,
In the case where battery pack superstructure is very special-shaped, if had more greatly using steel plate bending welding or punching stretch
Work difficulty, and manufacture efficiency is difficult to mass.2, the battery pack case lid made of galvanized sheet metal (or aluminium sheet), assembling process
Collision will lead to deformation;3, after the completion of the case lid formed product that steel or aluminum are made, electrophoresis need to be carried out, dusts, be electroplated etc. at surfaces
Science and engineering skill, complex process.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structure is simple, it can effectively mitigate case lid weight,
The integral strength for guaranteeing case lid realizes the light-weight design of power battery pack, while being not required to carry out electrophoresis, spray again after case lid molding
The surface treatment such as powder, so that process flow is simple, cost is reduced, and case lid is not easy to produce during transport, producing line assembly etc.
Class deformation is collided, to improve the power battery pack cover structure of overall performance and ease of use.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken are as follows:
The utility model is a kind of power battery pack cover structure, and the power battery pack cover structure includes case lid sheet
Body, the box cover body are set as the structure being made by polyester sheet molding compound, and box cover body edge is arranged along case lid
Multiple case lid mounting holes arranged by gap, the case are arranged on case lid mounting portion for the case lid mounting portion of ontology one week arrangement
The foam block of multiple protrusions is also set up on lid ontology, foam block is set as being made by pet material
Structure, also set up multiple MSD mounting holes in the box cover body.
Pocket is set in the box cover body, and multiple tracks reinforcing rib I is arranged in pocket bottom surface, and pocket is also set on bottom surface
Multiple tracks and the vertically arranged reinforcing rib II of reinforcing rib I are set, the foam block of multiple protrusions is arranged in pocket bottom surface.
The recessed installation position MSD of the pocket position setting of the box cover body, multiple MSD mounting holes are arranged in MSD
On installation position.
The box cover body is set as structure made of mold compacting.
Range is arranged between 2mm-4mm in the box cover body thickness;The case lid mounting portion thickness of box cover body
Range is arranged between 3.5mm-5mm in size;Range is arranged between 3.5mm-5mm in the installation position MSD (9) thickness.
Black light paint layer is arranged in the box cover body surface.
Using the technical solution of the utility model, can obtain it is below the utility model has the advantages that
Power battery pack cover structure described in the utility model, box cover body are made using polyester sheet molding compound (SMC)
It forms.In view of the light-weight design demand of battery pack, since the density of steel is in 7.8g/cm3, the density of aluminium is 2.7g/cm3
Left and right, and polyester sheet molding compound is low-density composite, therefore, case lid weight substantially reduces.At the same time, case lid is by gathering
Ester sheet molding compound production, it is only necessary to which molding can embark on journey, and no longer need to carry out electrophoresis after forming, dust, be electroplated
Process of surface treatment reduces process complexity, reduces cost, can satisfy the performance requirements such as insulation, fire-retardant completely.Foam block
Main rise of setting supports buffer function, uniform in the distribution of force of MSD assembling process to guarantee, such as foam block is not placed, in case
Between lid and cabinet in fixation procedure, the installation place MSD stress is larger, to form fulcrum force, will lead to each corner of case lid
It is easy to produce crackle.The power battery pack cover structure of the utility model, structure is simple, can effectively mitigate case lid weight, protects
The integral strength for demonstrate,proving case lid realizes the light-weight design of power battery pack, while being not required to carry out electrophoresis again after case lid molding, dust
Deng surface treatment, so that process flow is simple, cost is reduced, and case lid is not easy to produce during transport, producing line assembly etc. and touches
Class deformation is hit, to improve overall performance and ease of use.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the positive structure schematic of power battery pack cover structure described in the utility model;
Fig. 2 is the structure schematic diagram of power battery pack cover structure described in the utility model;
Attached drawing acceptance of the bid note is respectively as follows: 1, box cover body;2, case lid mounting portion;3, case lid mounting hole;4, foam block;5, cavity
Portion;6, reinforcing rib I;7, reinforcing rib II;8, MSD mounting hole;9, the installation position MSD.
Specific embodiment
Below against attached drawing, by the description of the embodiment, such as related to specific embodiment of the present utility model
The shape of each component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. make into
The detailed description of one step:
As shown in attached drawing 1, attached drawing 2, the utility model is a kind of power battery pack cover structure, the power battery pack
Cover structure includes box cover body 1, and the box cover body 1 is set as the structure being made by polyester sheet molding compound, case
The case lid mounting portion 2 along box cover body 1 one weeks arrangements is arranged in 1 edge of lid ontology, is arranged on case lid mounting portion 2 multiple by gap cloth
The case lid mounting hole 3 set, the foam block 4 of multiple protrusions is also set up in the box cover body 1, and foam block 4 is set as by poly- pair
The structure that ethylene terephthalate material is made also sets up multiple MSD mounting holes 8 in the box cover body 1.It is above-mentioned
Structure, box cover body are made using polyester sheet molding compound (SMC).In view of the light-weight design demand of battery pack, by
In steel density in 7.8g/cm3, the density of aluminium is 2.7g/cm3Left and right, and polyester sheet molding compound is low-density composite,
Therefore, case lid weight substantially reduces.At the same time, case lid is made by polyester sheet molding compound, it is only necessary to and molding can embark on journey,
And no longer need to carry out electrophoresis, dust, be electroplated etc. process of surface treatment after forming, reduction process complexity reduces cost, complete
It can satisfy the performance requirements such as insulation, fire-retardant entirely.And the setting of foam block 4, it is main to play support buffer function, to guarantee in MSD
(full name in English of MSD is: Manual Service Disconnector, and the full name of Chinese is: Manual maintenance switch) assembling process
Distribution of force it is uniform, such as do not place foam block, between case lid and cabinet in fixation procedure, the installation place MSD stress is larger, from
And fulcrum force is formed, it will lead to each corner of case lid and be easy to produce crackle.Power battery pack case lid described in the utility model
Structure, structure is simple, can effectively mitigate case lid weight, guarantee the integral strength of case lid, realize the lightweight of power battery pack
Design, while being not required to the surface treatment such as carry out electrophoresis again, dust after case lid molding, so that process flow is simple, cost is reduced, case
It covers during transport, producing line assembly etc. and is not easy to produce collision class deformation, to improve overall performance and ease of use.
Pocket 5 is set in the box cover body 1, and multiple tracks reinforcing rib I 6,5 bottom surface of pocket is arranged in 5 bottom surface of pocket
On also set up multiple tracks and the vertically arranged reinforcing rib II 7 of reinforcing rib I 6, the foam block 4 of multiple protrusions is arranged in 5 bottom surface of pocket.
Above structure, the setting of pocket, for arranging foam block, and the setting of reinforcing rib, effectively improve case lid integral strength.
The recessed installation position MSD 9 of 5 position of the pocket setting of the box cover body 1, multiple settings of MSD mounting hole 8 exist
On the installation position MSD 9.The setting of the installation position MSD 9, for installing MSD, and the setting of MSD mounting hole 8, for interconnecting pieces such as bolts
Part connects MSD.
The box cover body 1 is set as structure made of mold compacting.Above structure, since case lid making material changes
Become, production method changes, and effectively simplifies technique, reduces cost.
Range is arranged between 2mm-4mm in 1 thickness of box cover body;The case lid mounting portion 2 of box cover body 1 is thick
It spends size and range is set between 3.5mm-5mm;Range is arranged between 3.5mm-5mm in the installation position MSD (9) thickness.On
Thickness setting everywhere is stated, is selected according to different parts stress difference in case lid use, to improve the installation strength of case lid
With the mounting plane degree of part, the sealing performance after case lid assembly is effectively ensured with this.
Black light paint layer is arranged in 1 surface of box cover body.
Power battery pack cover structure described in the utility model, box cover body are made using polyester sheet molding compound (SMC)
It forms.In view of the light-weight design demand of battery pack, since the density of steel is in 7.8g/cm3, the density of aluminium is 2.7g/cm3
Left and right, and polyester sheet molding compound is low-density composite, therefore, case lid weight substantially reduces.At the same time, case lid is by gathering
Ester sheet molding compound production, it is only necessary to which molding can embark on journey, and no longer need to carry out electrophoresis after forming, dust, be electroplated
Process of surface treatment reduces process complexity, reduces cost, can satisfy the performance requirements such as insulation, fire-retardant completely.Foam block
Main rise of setting supports buffer function, uniform in the distribution of force of MSD assembling process to guarantee, such as foam block is not placed, in case
Between lid and cabinet in fixation procedure, the installation place MSD stress is larger, to form fulcrum force, will lead to each corner of case lid
It is easy to produce crackle.The power battery pack cover structure of the utility model, structure is simple, can effectively mitigate case lid weight, protects
The integral strength for demonstrate,proving case lid realizes the light-weight design of power battery pack, while being not required to carry out electrophoresis again after case lid molding, dust
Deng surface treatment, so that process flow is simple, cost is reduced, and case lid is not easy to produce during transport, producing line assembly etc. and touches
Class deformation is hit, to improve overall performance and ease of use.
Illustrative description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously
It is not limited by aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection of the utility model
In range.
Claims (6)
1. a kind of power battery pack cover structure, it is characterised in that: the power battery pack cover structure includes box cover body
(1), the box cover body (1) is set as the structure being made by polyester sheet molding compound, the setting of box cover body (1) edge
Along the case lid mounting portion (2) of box cover body (1) one week arrangement, multiple case lids arranged by gap are set on case lid mounting portion (2)
Mounting hole (3), the foam block (4) of multiple protrusions is also set up in the box cover body (1), and foam block (4) is set as by poly- pair
The structure that ethylene terephthalate material is made also sets up multiple MSD mounting holes (8) in the box cover body (1).
2. power battery pack cover structure according to claim 1, it is characterised in that: set in the box cover body (1)
It sets pocket (5), multiple tracks reinforcing rib I (6) are arranged in pocket (5) bottom surface, also set up multiple tracks and reinforcing rib on pocket (5) bottom surface
The foam block (4) of the vertically arranged reinforcing rib II (7) in I (6), multiple protrusions is arranged in pocket (5) bottom surface.
3. power battery pack cover structure according to claim 1 or 2, it is characterised in that: the box cover body (1)
The recessed installation position MSD (9) of pocket (5) position setting, multiple MSD mounting holes (8) are arranged on the installation position MSD (9).
4. power battery pack cover structure according to claim 1 or 2, it is characterised in that: the box cover body (1) is set
It is set to structure made of mold compacting.
5. power battery pack cover structure according to claim 1 or 2, it is characterised in that: the box cover body (1) is thick
It spends size and range is set between 2mm-4mm;Case lid mounting portion (2) thickness of box cover body (1) is arranged in 3.5mm-5mm
Between range;Range is arranged between 3.5mm-5mm in the installation position MSD (9) thickness.
6. power battery pack cover structure according to claim 1 or 2, it is characterised in that: described box cover body (1) table
Black light paint layer is arranged in face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821321281.0U CN208460846U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack cover structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821321281.0U CN208460846U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack cover structure |
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Publication Number | Publication Date |
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CN208460846U true CN208460846U (en) | 2019-02-01 |
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ID=65178763
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CN201821321281.0U Active CN208460846U (en) | 2018-08-16 | 2018-08-16 | A kind of power battery pack cover structure |
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CN (1) | CN208460846U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114976418A (en) * | 2022-06-27 | 2022-08-30 | 重庆长安汽车股份有限公司 | Power battery protection cover assembly |
-
2018
- 2018-08-16 CN CN201821321281.0U patent/CN208460846U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114976418A (en) * | 2022-06-27 | 2022-08-30 | 重庆长安汽车股份有限公司 | Power battery protection cover assembly |
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