CN205723674U - A kind of battery case - Google Patents
A kind of battery case Download PDFInfo
- Publication number
- CN205723674U CN205723674U CN201620199157.6U CN201620199157U CN205723674U CN 205723674 U CN205723674 U CN 205723674U CN 201620199157 U CN201620199157 U CN 201620199157U CN 205723674 U CN205723674 U CN 205723674U
- Authority
- CN
- China
- Prior art keywords
- battery case
- lower box
- sidewall
- upper cover
- diapire
- 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.)
- Expired - Fee Related
Links
- 230000001413 cellular effect Effects 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- -1 polypropylene Polymers 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 12
- 239000004588 polyurethane sealant Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 241001083492 Trapa Species 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 241000256844 Apis mellifera Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
This utility model provides a kind of battery case, including upper cover and lower box；Described upper cover and lower box are made by polypropylene, and described lower box is structure as a whole and includes that the sidewall that diapire is connected with diapire, described sidewall surround an opening, and described upper cover is placed on described lower box and seals described opening；Described upper cover master, diapire and sidewall all include top panel, lower panel and the cellular spacer structure being located between described top panel and described lower panel.Battery case of the present utility model uses callable polypropylene to make battery case, and battery case weight is greatly reduced, and solves the corrosion-prone problem of metal battery case；Upper cover and lower box all include cellular spacer structure, can increase intensity, especially lower box and are structure as a whole and include that cellular spacer structure is greatly improved intensity height and can be greatly increased the supporting power to electrokinetic cell and impact resistance.
Description
[technical field]
This utility model relates to electric vehicle engineering field, particularly relates to a kind of battery case.
[background technology]
At present, electric automobile is the most gradually promoted and will have broad prospects in future, and electric automobile is continued a journey
Mileage is generally inversely proportional to vehicle weight, under the present situation that current driving force battery energy density is limited, reduces vapour
Car kerb weight is to improve one of the key technology that the course continuation mileage of electric automobile is electric automobile production development.
The battery of battery case and inside, as the core component of electric automobile, is the power resources of electric automobile, and it is certainly
Heavy sensation of the body amount and automobile kerb weight ratio are important parameters of electric automobile, and traditional battery case is basic
Using steel plate or aluminium sheet to be welded, box weight is big, perishable, short-circuit risks big, affects electric automobile
Course continuation mileage, service life and safety.Compact battery case also has employing plastic shaping and carbon fiber sandwich
Plate assembling scheme；Plastic shaping battery case bulk strength is inadequate, it is impossible to carrying large-sized power battery, simultaneously
Integrated molding die size is big, costly；Carbon fiber battenboard assembly battery case, owing to lower box uses
Splicing load connects, and therefore connecting portion intensity is low, load-bearing is little, complex process, and carbon fiber is also possible in addition
Cause battery short circuit risk, the most recyclable.
It is necessary to provide a kind of novel battery case to overcome disadvantages described above in consideration of it, real.
[utility model content]
The purpose of this utility model is to provide a kind of lightness, intensity is high, impact resilience is strong, cost is little and safety
The battery case that performance is high.
To achieve these goals, this utility model provides a kind of battery case, including upper cover and lower box；Institute
Stating upper cover and lower box is made by polypropylene, described lower box is structure as a whole and includes that diapire is with diapire even
The sidewall connect, described sidewall surrounds an opening, and described upper cover is placed on described lower box and seals described opening；
Described upper cover master, diapire and sidewall all include top panel, lower panel and be located in described top panel with described under
Cellular spacer structure between panel.
Compared to prior art, battery case of the present utility model uses callable polypropylene to make battery case,
Battery case weight is greatly reduced, solves the corrosion-prone problem of metal battery case；Upper cover and lower box all include honeybee
Nest shape spacer structure, can increase intensity, especially lower box and be structure as a whole and include that cellular interlayer is tied
Structure is greatly improved intensity height and can be greatly increased the supporting power to electrokinetic cell and impact resistance.
[accompanying drawing explanation]
The three-dimensional combination figure of the battery case that Fig. 1 provides for this utility model preferred implementation；
The three-dimensional exploded view of the battery case that Fig. 2 provides for this utility model preferred implementation；
The upper cover of the battery case that Fig. 3 this utility model preferred implementation provides and the schematic enlarged-scale view of lower box；
The first state in the manufacture process of the lower box of the battery case that Fig. 4 this utility model preferred implementation provides
Figure；
The second state in the manufacture process of the lower box of the battery case that Fig. 5 this utility model preferred implementation provides
Figure.
[detailed description of the invention]
In order to make the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below
In conjunction with the drawings and specific embodiments, this utility model is further elaborated.It should be appreciated that
Detailed description of the invention described in this specification is only used to explain this utility model, is not intended to limit
This utility model.
As shown in Figure 1 to Figure 2, this utility model provides a kind of battery case 100, is used for housing electrokinetic cell
200, described electrokinetic cell 200 usually lithium rechargeable battery.Described battery case 100 includes upper cover 10
And lower box 20.
Described upper cover 10 is rectangular flat plate shape and is made up of polypropylene (Polypropylene, PP), such as figure
Shown in 3, the Board material for box 300 that described upper cover 10 is made up of polypropylene cuts and is formed, described Board material for box 300
Including top panel 302, lower panel 304 and be located between described top panel 302 and described lower panel 304
Cellular spacer structure 306.Described top panel 302, lower panel 304 and described spacer structure 306 are by poly-
Propylene is made, and described spacer structure 306 can be connected to described top panel 302 and lower panel by hot melting way
Between 304.For increasing described top panel 302 and the toughness of described lower panel 304, described top panel 302 and
Described lower panel 304 also includes glass fiber material.Owing to described upper cover 10 is cut shape by Board material for box 300
Becoming, the most described upper cover 10 includes described top panel 302, lower panel 304 and is located in described top panel 302
And the cellular spacer structure 306 between described lower panel 304.In present embodiment, described cellular interlayer
Structure 306 includes six Pedicellus et Pericarpium Trapae posts of the hollow of multiple identical and adjacent connection, hangs down in this Pedicellus et Pericarpium Trapae post both ends open and side
Straight in described top panel 302 and described lower panel 304.In other embodiments, described cellular every shape knot
Six Pedicellus et Pericarpium Trapae posts of structure 36 can also be other shapes, such as, triangular prism, four Pedicellus et Pericarpium Trapae posts, five Pedicellus et Pericarpium Trapae posts, eight Pedicellus et Pericarpium Trapae posts or
Circular hole etc..
It is rectangular-shaped that described lower box 20 is structure as a whole, and described lower box 20 is made up of polypropylene and wraps
Include a rectangular diapire 22 and four rectangular sidewalls 24 being connected with diapire.Concrete, described under
Casing 20 is also cut by Board material for box 300 and is formed, and the diapire 22 of the most described lower box 20 is with sidewall 24 also
Including top panel 302, lower panel 304 and be located between described top panel 302 and described lower panel 304
Cellular spacer structure 306.Described four sidewalls 24 are vertical and fixing successively to be connected and surrounds an opening 26.
In other embodiments, described lower box 20 is not limited to rectangular-shaped, can be triangular prism shape or other not
Regular shape, corresponding upper cover can also be triangle or other are irregularly shaped.Due to described lower box 20
Cut by Board material for box 300 and formed, the most described upper cover 10 include described top panel 302, lower panel 304 and
It is located in the cellular spacer structure 306 between described top panel 302 and described lower panel 304.
In described electrokinetic cell 200 loads described lower box 20 in described opening 26 and be positioned at described diapire
On 22.Described upper cover 10 is placed on described lower box 20 and seals described opening.
Battery case 100 of the present utility model uses callable polypropylene to make battery case, and battery is greatly reduced
Case weight, solves the corrosion-prone problem of metal battery case；Upper cover and lower box all include cellular spacer structure,
Intensity, especially lower box can be increased be structure as a whole and include that cellular spacer structure is greatly improved intensity
Height also can be greatly increased the supporting power to electrokinetic cell and impact resistance.
In order to further enhance the intensity of battery case 100, this battery case 100 also includes a connection piece 30.
Described connection includes underframe 32 and leg 34.In present embodiment, described connector 30 is made of metal,
Described underframe 32 is corresponding to the shape of described diapire 22, and the most described underframe 32 is also rectangle.Described leg
The quantity of 34 is four and extends formation, more specifically, described from four corner vertical of described underframe 32
Foot 34 includes the sticking part 342 of perpendicular connection, and said two sticking part 342 is corresponding to described lower box 20
Two adjacent sidewalls 24.Described underframe 34 is placed on outside diapire 22 or the sidewall 34 of described lower box 20,
The sticking part 342 of each leg 34 fits in adjacent two sidewalls 24 of described lower box 20, further
Gluedd joint by polyurethane sealant between sticking part 342 and sidewall, further described underframe 34 and lower box
Can also be gluedd joint by polyurethane sealant between 20.By using described connector 30, further enhancing
In the case of the intensity of battery case, the battery case made relative to prior art entirety employing metallic plate sheet material,
Increase only the least overall weight.In other embodiments, described leg 34 may also be tabular, and one
Individual leg only fits on a corresponding sidewall 24.
The corresponding position of the pair of sidewalls 24 of further described lower box 20 is opened air inlet 242 respectively
With air outlet 244 (such as Fig. 5), air inlet can be by the air-conditioning (not shown) of rubber tube with electric automobile
Connecting, air outlet leads directly to the external world, air inlet and air outlet and is respectively mounted waterproof ventilated membrane (not shown), with
Meet ventilation, waterproof requirement.
This utility model battery case 100, overall weight is greatly reduced and upper cover is anticorrosive with lower box,
The most durable, intensity is high, impact resilience is strong and security performance, and in the case of reducing battery case weight, must
So reduce the battery case mass ratio relative to electric automobile, improve the course continuation mileage of electric automobile.
Refer to Fig. 3 to Fig. 5, a kind of battery case manufacture method that this utility model provides, comprise the following steps:
Step 1: two such as Fig. 3 Board material for box 300 are provided, described Board material for box 300 include top panel 302,
Lower panel 304 and be located in the cellular spacer structure between described top panel 302 and described lower panel 304
306；
Step 2: one of them Board material for box 300 is cut into upper cover 10 (as shown in Figure 1), this embodiment party
In formula, described upper cover 10 is rectangle tabular；
Step 3: as shown in Figure 4, is cut into tabular according to design size by another Board material for box 300
The semi-finished product lower box 20a including diapire 22 and sidewall 24, on top panel 302 or lower panel 304 and
Being positioned at diapire 22 and cut out groove 201 with sidewall 24 adjoiner, the width of groove 201 can regard sidewall 24
Depending on the size of bending angle；In present embodiment, described groove 20 is only offered and through top panel 302 or following
Plate 304 one of them, with the lower box 20 that this ensures integrative-structure, there is good intensity.
Step 4: as it is shown in figure 5, by sidewall along groove bending, make sidewall be sequentially connected and connect, then at sidewall
Between junction and groove in click and enter melted polypropylene and with some sidewall be fixedly connected sequentially and further
Increase the bonding strength of diapire and sidewall, be thusly-formed described lower box 20.
This utility model battery case manufacture method farther includes: step 5: provide a metal connecting piece 30,
Described connection includes underframe 32 and leg 34.In present embodiment, described connector 30 is made of metal,
Described underframe 32 is corresponding to the shape of described diapire 22, and the most described underframe 32 is also rectangle.Described leg
The quantity of 34 is four and extends formation, more specifically, described from four corner vertical of described underframe 32
Foot 34 includes the sticking part 342 of perpendicular connection, and said two sticking part 342 is corresponding to described lower box 20
Two adjacent sidewalls 24.Described underframe 34 is placed on outside described diapire 22 or sidewall 34, each leg 34
Sticking part 342 fit in adjacent two sidewalls 24 of described lower box 20, further sticking part 342 with
Gluedd joint by polyurethane sealant between sidewall, also may be used between further described underframe 34 and lower box 20
To be gluedd joint by polyurethane sealant.
This utility model battery case manufacture method farther includes: step 6: sidewall 24 offer a pair relative
Answering air inlet and air outlet, in present embodiment, described lower box 20 is rectangular-shaped, described lower box 20
The corresponding position of pair of sidewalls 24 open and have air inlet 242 and air outlet 244 respectively.
Compared to prior art, battery case of the present utility model uses callable polypropylene to make battery case,
Battery case weight is greatly reduced, solves the corrosion-prone problem of metal battery case；Upper cover and lower box all include honeybee
Nest shape spacer structure, can increase intensity, especially lower box and be structure as a whole and include that cellular interlayer is tied
Structure is greatly improved intensity height and can be greatly increased the supporting power to electrokinetic cell and impact resistance.Lower box
Gluedd joint by fluid sealant with connector, improve casing intensity, there is the most dust-proof, water resistance；Enter
Air port with well ensure that temperature of powered cell stability problem, do not affect the dustproof and waterproof of battery case simultaneously
Performance.
This utility model is not restricted to described in description and embodiment, therefore for familiar field
Personnel for be easily achieved additional advantage and amendment, therefore without departing substantially from claim and equivalency range
In the case of the spirit and scope of the general concept limited, this utility model be not limited to specific details,
Representational equipment and shown here as with describe examples shown.
Claims (7)
1. a battery case, including upper cover and lower box；It is characterized in that: described upper cover and lower box are made by polypropylene, described lower box is structure as a whole and includes that the sidewall that diapire is connected with diapire, described sidewall surround an opening, and described upper cover is placed on described lower box and seals described opening；Described upper cover, diapire and sidewall all include top panel, lower panel and the cellular spacer structure being located between described top panel and described lower panel.
2. battery case as claimed in claim 1, it is characterised in that: described upper cover is rectangle tabular, and described lower box is rectangular-shaped and includes a rectangular diapire and four rectangular sidewalls being fixedly connected sequentially；The corresponding position of one pair of which sidewall has air inlet and air outlet.
3. battery case as claimed in claim 2, it is characterised in that: also include the connector that metal is made；Described connection includes underframe and leg, and described underframe is corresponding to the shape of described diapire, and described leg extends from described underframe and formed, and described underframe is placed on outside described lower box, and described leg fits in outside described sidewall.
4. battery case as claimed in claim 3, it is characterized in that: described underframe be shaped as rectangle, the quantity of described leg is four and extends formation from four corner vertical of described underframe, described leg includes two sticking parts of perpendicular connection, and said two sticking part corresponds to two sidewalls that described lower box is adjacent.
5. battery case as claimed in claim 4, it is characterised in that: gluedd joint by polyurethane sealant between described sticking part and sidewall, gluedd joint by polyurethane sealant between described underframe and lower box.
6. battery case as claimed in claim 2, it is characterised in that: described top panel and lower panel also include glass fiber material；The polypropylene melted by clicking and entering heat between described sidewall is fixedly connected.
7. battery case as claimed in claim 1, it is characterised in that: described cellular spacer structure includes six Pedicellus et Pericarpium Trapae posts of the hollow of multiple identical and adjacent connection, and this six Pedicellus et Pericarpium Trapaes post both ends open and side are perpendicular to described top panel and described lower panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199157.6U CN205723674U (en) | 2016-03-15 | 2016-03-15 | A kind of battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199157.6U CN205723674U (en) | 2016-03-15 | 2016-03-15 | A kind of battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723674U true CN205723674U (en) | 2016-11-23 |
Family
ID=57314295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620199157.6U Expired - Fee Related CN205723674U (en) | 2016-03-15 | 2016-03-15 | A kind of battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723674U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195812A (en) * | 2016-03-15 | 2017-09-22 | 深圳市沃特玛电池有限公司 | A kind of battery case and its manufacture method |
| CN108011061A (en) * | 2017-12-05 | 2018-05-08 | 银隆新能源股份有限公司 | Battery case, battery component and automobile |
| CN108493370A (en) * | 2018-04-04 | 2018-09-04 | 盈峰汽车科技（上海）有限公司 | A kind of aluminum alloy battery pack housing and its manufacturing method |
| JPWO2018230390A1 (en) * | 2017-06-12 | 2020-04-09 | 株式会社Ｇｓユアサ | Power storage device |
-
2016
- 2016-03-15 CN CN201620199157.6U patent/CN205723674U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195812A (en) * | 2016-03-15 | 2017-09-22 | 深圳市沃特玛电池有限公司 | A kind of battery case and its manufacture method |
| JPWO2018230390A1 (en) * | 2017-06-12 | 2020-04-09 | 株式会社Ｇｓユアサ | Power storage device |
| JP7056656B2 (en) | 2017-06-12 | 2022-04-19 | 株式会社Ｇｓユアサ | Power storage device |
| CN108011061A (en) * | 2017-12-05 | 2018-05-08 | 银隆新能源股份有限公司 | Battery case, battery component and automobile |
| CN108493370A (en) * | 2018-04-04 | 2018-09-04 | 盈峰汽车科技（上海）有限公司 | A kind of aluminum alloy battery pack housing and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161129 Address after: 518000 Guangdong Province, Shenzhen City Pingshan Pingshan community Zhu Keng Industrial Zone 9 1-3 Patentee after: Shenzhen Optimum Battery Co.,Ltd. Address before: 518000 Guangdong Province, Shenzhen City Pingshan Pingshan community Zhu Keng Industrial Zone 9 Patentee before: SHENZHEN MINFUWONENG NEW ENERGY AUTOMOBILE CO.,LTD. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20181008 Granted publication date: 20161123 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20211008 Granted publication date: 20161123 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20211008 Granted publication date: 20161123 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230331 Granted publication date: 20161123 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |