CN207353330U - Battery case - Google Patents
Battery case Download PDFInfo
- Publication number
- CN207353330U CN207353330U CN201721192295.2U CN201721192295U CN207353330U CN 207353330 U CN207353330 U CN 207353330U CN 201721192295 U CN201721192295 U CN 201721192295U CN 207353330 U CN207353330 U CN 207353330U
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- CN
- China
- Prior art keywords
- battery case
- multiple sawtooth
- lower box
- case according
- projections
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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)
Abstract
A kind of Battery case is disclosed, in electric automobile, including：Upper box, positioned at Battery case top；Lower box, positioned at Battery case lower part, including bottom surface and side, side is located at the bottom periphery, and side and bottom surface surround cavity, and there are multiple sawtooth projections in the outside of bottom surface and side respectively.The trapezoidal of the section of multiple sawtooth projections is isosceles trapezoid, and the waist of isosceles trapezoid and the angle on base are 55 ° to 65 °.Multiple sawtooth projections are arranged in the external side parallel of bottom surface and side, are respectively parallel to one side of bottom surface and the side, and multiple sawtooth projection both ends extend to the edge of place plane.The base that the section of adjacent multiple sawtooth projections is trapezoidal is connected.By multiple sawtooth projections on the outside of the lower box of battery case, the enhancing battery case hit intensity of resistance to stone can be not only realized, but also can increase the heat dissipation area of babinet, so as to increase the heat-sinking capability of Battery case.
Description
Technical field
Field of batteries is the utility model is related to, relates more specifically to a kind of Battery case.
Background technology
Present Global auto industry is faced with the huge challenge of energy and environment problem；Capacity usage ratio is high, to environment without
The pure electric automobile of pollution has become the direction of future automobile industrial development.As the core component of electric automobile, electronic vapour
The safety of car power battery will directly influence the vehicle performance and driving safety of electric automobile.To ensure that battery performance is good,
Extend the service life of battery, must ensure normal operating conditions inside battery case, the stability requirement to battery box structure is very high.
The most common resistance to stone mode of hitting of the prior art is to apply the resistance to stone of last layer in battery case bottom to hit protective layer, such as should
Protective layer is by polyurethane elastomer, polyurethane-polyurea heterocomplex elastomer, makrolon, EP rubbers, silicones or polyethers
Protective layer made of ketone., it is necessary to extremely complex technique during protective layer is coated with, and protective layer in outside by extraneous shadow
Sound easily comes off, while there is certain thickness protective layer the heat-sinking capability of battery case is become very low.
Utility model content
The utility model problem to solve is that provide a kind of Battery case, pass through the nowel positioned at Battery case
Multiple sawtooth projections of external side, can not only realize the enhancing battery case hit intensity of resistance to stone, but also can increase dissipating for babinet
Hot area, so as to increase the heat-sinking capability of Battery case.
According to a kind of Battery case provided by the utility model, including：Upper box, positioned at Battery case top；Lower box,
Positioned at Battery case lower part, including bottom surface and side, the side is located at the bottom periphery, and the side is enclosed with the bottom surface
Into cavity, there are multiple sawtooth projections on the outside of at least part of the bottom surface and/or the side.
Preferably, the section of the multiple sawtooth projection is trapezoidal.
Preferably, the section of the multiple sawtooth projection is isosceles trapezoid, the waist of the isosceles trapezoid and the folder on base
Angle is 55 ° to 65 °.
Preferably, the multiple sawtooth projection is arranged in the external side parallel of the bottom surface and the side, respectively
Parallel to the bottom surface and one side of the side, and the multiple sawtooth projection both ends extend to its place plane
Edge.
Preferably, the arranged adjacent successively of the multiple sawtooth projection so that the multiple sawtooth projection is covered with institute
State the outside of bottom surface and the side.
Preferably, the extending direction of the multiple sawtooth projection of the bottom surface of the lower box and the electronic vapour
The travel direction of car is consistent.
Preferably, the extending direction of the multiple sawtooth projection of the side of the lower box and vertical direction one
Cause.
Preferably, the tank wall surfacing of the upper box.
Preferably, the upper box is to be bolted with the lower box.
Preferably, the lower box is exposed to the outside of the electric automobile.
Battery case according to the present utility model, the outside of the lower box of the Battery case form multiple saws arranged in parallel
Toothed projections, its is simple in structure, easy to implement；Zigzag structure is stablized, and is unlikely to deform, and can realize that improving resistance to stone hits ability,
On the premise of simple in structure and easy to process, intensity that the resistance to stone of the bottom of Battery case hit can be greatly improved, can be with
Avoid automobile emergency brake or shake the infringement that the shock to battery case is brought, so that it is guaranteed that being located at Battery case internal cell
Performance.
It is located at multiple sawtooth projections of the lower box of Battery case at the same time, battery case tank wall and the external world can be increased significantly
Contact, the heat dissipation area of Battery case is also greatly increased, so that the heat-sinking capability of battery case is improved, in cell operations
In, accelerate the radiating rate of Battery case, so as to reduce heat excessive and to the damage of Battery case, it is ensured that battery case
The performance of internal cell, so that it is guaranteed that the normal operation of electric automobile.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from.
Fig. 1 shows the stereogram of the utility model embodiment Battery case；
Fig. 2 shows the stereogram exploded view of the utility model embodiment Battery case；
Fig. 3 shows the partial enlarged view of the utility model embodiment Battery case；
Fig. 4 shows the side view of the utility model embodiment Battery case.
Embodiment
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical element is using similar
Reference numeral represent.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.In addition, may in figure
Some known parts are not shown.
It describe hereinafter many specific details of the utility model, such as the structure of component, material, size, place
Science and engineering skill and technology, to be more clearly understood that the utility model.But just as the skilled person will understand,
The utility model can not be realized according to these specific details.
It should be appreciated that when describing the structure of component, it is known as when by a floor, a region positioned at another floor, another area
When domain " above " or " top ", can refer to above another layer, another region, or its with another layer, it is another
Also comprising other layers or region between a region.Also, if by part turnover, this layer, a region will be located at it is another
Layer, another region " following " or " lower section ".
Fig. 1 shows the stereogram of the utility model embodiment Battery case, and Fig. 2 shows the utility model embodiment battery case
The stereogram exploded view of body, Fig. 3 show the partial enlarged view of the utility model embodiment Battery case, and Fig. 4 shows that this practicality is new
The side view of type embodiment Battery case.
The Battery case of the utility model, makees in electric automobile, playing protection to the battery component in electric automobile
With, including：Upper box 100, positioned at Battery case top；Lower box 200, positioned at Battery case lower part, including bottom surface 220 and side
Face 230, the side 230 are located at 220 periphery of bottom surface, and the side 230 surrounds cavity, the bottom with the bottom surface 220
There are multiple sawtooth projections 210 in the outside of face 220 and the side 230 respectively.The section of the multiple sawtooth projection 210 is
It is trapezoidal.Trapezoidal described in the section of the multiple sawtooth projection 210 is isosceles trapezoid, the waist of the isosceles trapezoid and the folder on base
Angle (θ) is 55 ° to 65 °, optimal for 60 °, best at this point for the hit intensity of resistance to stone of battery case lower box 200.It is the multiple
Sawtooth projection 210 is arranged in the external side parallel of the bottom surface 220 and the side 230, is respectively parallel to the bottom surface
220 with one side of the side 230, and 210 both ends of multiple sawtooth projections extend to where plane edge.It is described adjacent
Multiple sawtooth projections 210 section described in trapezoidal base be connected, it is possible to achieve multiple sawtooth projections 210 are close
Arrangement.The multiple sawtooth projection 210, the edge on surface where it is extended to, and multiple sawtooth projections 210 are tight
Close is arranged in parallel so that multiple sawtooth projections 210 are covered with the bottom surface 220 of lower box and the outside of side 230, as far as possible
The impact force that more scattered lower boxes 200 is subject to, the resistance to stone for substantially increasing battery case hit performance.
The extending direction of multiple sawtooth projections 210 of the bottom surface 220 of the lower box 200 is with placing the battery
The travel direction of the automobile of babinet is consistent.The extension of multiple sawtooth projections 210 of the side 230 of the lower box 200
Direction is consistent with vertical direction.Electric automobile is during traveling, due to braking, jolting or other situation, makes positioned at electricity
Battery case inside electrical automobile is easily subject to the power consistent with electric automobile during traveling direction, i.e. Battery case is along electric automobile during traveling
Direction is easily damaged due to collision, when the extending direction and the placement battery case of multiple sawtooth projections 210 of bottom surface 220
When the travel direction of the automobile of body is consistent, the resistance to stone that can be improved in this direction hits ability, makes intensity, rigidity, stability good
Multiple sawtooth projections 210 can resist suddenly impact force, avoid the Battery case caused by unbalance stress and destroy
Cause the dangerous situations such as cell electrical safety.
Meanwhile the tank wall surfacing of upper box 100 described in the Battery case of the utility model, due to ordinary circumstance battery
Impact force suffered by the upper box of case is smaller with respect to lower box 200, thus the tank wall of upper box 100 can with surfacing,
The protecting effect of battery case can so be reached on the premise of manufacturing process is simplified.The upper box 100 is with lower box 200
Removably it is bolted.The lower box 200 is exposed to the outside of the electric automobile.Positioned at upper box 100 and nowel
200 junction of body, the side wall 230 of lower box 200 can extend to side-wall outer side；Equally positioned at upper box 100 and lower box
200 junctions, the tank wall of upper box 100 can extend to the outside of side wall 230, and lower box 200 and upper box 100 are to extension
The part stretched is corresponding, the cavity closing for forming lower box 200.At the same time can be in lower box 200 and upper box 100 to extension
Stretch corresponding part and be threaded hole so that upper box 100 and lower box 200 can be to be bolted, bolted side
Formula more easily can replace the Battery case of damage, can reduce maintenance cost.Or upper box 100 and lower box
200 are removably fixedly connected for other.The tank wall of upper box 100 may be constructed with cavity or a plane case lid.
The upper box 100 has the performances such as insulation, waterproof, heat dissipation, impact resistant with lower box 200 for material therefor.With
Can have the advantages that intensity is higher, thermal conductivity factor is high in the material of manufacture Battery case, composite material can be selected.The material
Can be glass fibre, carbon fiber-reinforced resin, aramid fiber, boron fibre, natural fiber, ultra-high molecular weight polyethylene it is spacing or
The combination of these materials of person.Or the material Battery case such as cast iron, metal plate can be selected.Wherein, select broken glass fiber or
During carbon fiber-reinforced resin, the weight for reducing lower box 200 or upper box 100 more obviously is close to improve weight energy
Degree, reduces welding to improve the air-tightness of Battery case, improves corrosion resistance.
The Battery case of the utility model, can be according to actual conditions, in the entirety of lower box 200 or upper box 100
Or local location sets protective layer.
Battery case according to the present utility model, the outside of the lower box 200 of the Battery case form arranged in parallel more
A sawtooth projection 210, its is simple in structure, and processing technology is relatively easy；Zigzag structure is stablized at the same time, is unlikely to deform, can
Realize that improving resistance to stone hits ability, on the premise of simple in structure and easy to process, can greatly improve the nowel of Battery case
The intensity that the resistance to stone of body 200 is hit, the infringement that can be brought to avoid the shock of automobile emergency brake or vibrations to battery case, so that
Ensure the performance positioned at battery case internal cell, finally avoid due to discontinuity and cause battery case to destroy and cause battery
The dangerous situations such as security appliance.
At the same time positioned at multiple sawtooth projections of battery case lower box, battery case tank wall can be increased significantly and is connect with extraneous
Touch, the heat dissipation area of battery case is also greatly increased, so as to improve the heat-sinking capability of battery case, in cell operations, make
The radiating rate of battery case is accelerated, so as to reduce heat excessive to the damage of Battery case, is conducive to the heat dissipation of Battery case
The stabilization of property and the raising of durability, it is ensured that the performance of battery case internal cell, so that it is guaranteed that electric automobile is normal
Operation.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
As described above, these embodiments do not have all details of detailed descriptionthe to embodiment according to the utility model,
Also it is only the specific embodiment not limit the utility model.Obviously, as described above, many modification and change can be made
Change.This specification is chosen and specifically describes these embodiments, and being should in order to preferably explain the principle and reality of the utility model
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change use.The utility model is limited only by the claims and their full scope and equivalents.
Claims (10)
1. a kind of Battery case, in electric automobile, including：
Upper box, positioned at Battery case top；
Lower box, positioned at Battery case lower part, including bottom surface and side, the side is located at the bottom periphery, the side
Cavity is surrounded with the bottom surface, and there are multiple sawtooth projections on the outside of at least part of the bottom surface and/or the side.
2. Battery case according to claim 1, it is characterised in that the section of the multiple sawtooth projection is trapezoidal.
3. Battery case according to claim 2, it is characterised in that the section of the multiple sawtooth projection is isosceles ladder
Shape, the waist of the isosceles trapezoid and the angle on base are 55 ° to 65 °.
4. Battery case according to claim 1, it is characterised in that the multiple sawtooth projection is in the bottom surface and institute
The external side parallel arrangement of side is stated, is respectively parallel to one side of the bottom surface and the side, and the multiple saw
The edge of plane where toothed projections both ends extend to it.
5. Battery case according to claim 2, it is characterised in that the multiple sawtooth projection successively close to row
Row so that the multiple sawtooth projection is covered with the outside of the bottom surface and the side.
6. Battery case according to claim 1, it is characterised in that the multiple saw of the bottom surface of the lower box
The extending direction of toothed projections is consistent with the travel direction of the electric automobile.
7. Battery case according to claim 1, it is characterised in that the multiple saw of the side of the lower box
The extending direction of toothed projections is consistent with vertical direction.
8. Battery case according to claim 1, it is characterised in that the tank wall surfacing of the upper box.
9. Battery case according to claim 1, it is characterised in that the upper box connects with the lower box for bolt
Connect.
10. Battery case according to claim 1, it is characterised in that the lower box is exposed to the electric automobile
It is exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721192295.2U CN207353330U (en) | 2017-09-15 | 2017-09-15 | Battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721192295.2U CN207353330U (en) | 2017-09-15 | 2017-09-15 | Battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353330U true CN207353330U (en) | 2018-05-11 |
Family
ID=62411109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721192295.2U Active CN207353330U (en) | 2017-09-15 | 2017-09-15 | Battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611303A (en) * | 2017-09-15 | 2018-01-19 | 常州普莱德新能源电池科技有限公司 | Battery case |
-
2017
- 2017-09-15 CN CN201721192295.2U patent/CN207353330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611303A (en) * | 2017-09-15 | 2018-01-19 | 常州普莱德新能源电池科技有限公司 | Battery case |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |