CN207381451U - Battery case and battery pack - Google Patents
Battery case and battery pack Download PDFInfo
- Publication number
- CN207381451U CN207381451U CN201721429120.9U CN201721429120U CN207381451U CN 207381451 U CN207381451 U CN 207381451U CN 201721429120 U CN201721429120 U CN 201721429120U CN 207381451 U CN207381451 U CN 207381451U
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- CN
- China
- Prior art keywords
- bar segment
- battery case
- support
- battery
- connecting portion
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- 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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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
This application involves energy storage device technical field more particularly to a kind of Battery case and battery packs.The Battery case includes bearing frame, and the bearing frame is used to support battery;The bearing frame includes angle connecting portion and multiple bar segments, and in multiple bar segments, at least two bar segments are fixedly connected by the angle connecting portion, and two bar segments being connected with the angle connecting portion are respectively the first bar segment and the second bar segment;Connect that the part of first bar segment is identical with the extending direction of first bar segment on the angle connecting portion, and the part that second bar segment is connected on the angle connecting portion is identical with the extending direction of second bar segment.The welding effect of Battery case provided herein is preferable, can improve product quality.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of Battery cases, further relate to a kind of battery pack.
Background technology
With the enhancing of energy conservation and environmental awareness, the application for the rechargeable battery that can be recycled is more and more extensive.It is common, electricity
Pond includes Battery case and multiple batteries, and multiple batteries are accommodated in Battery case, and the bottom of Battery case is general
It is arranged to bearing frame.
At present, bearing frame is mostly that mental section is formed by welding, and mental section is formed by extrusion molding
List structure, in general, be present with when welding two section bars on the outside of it with can not avoiding there is a situation where acute angle splicing;
Obvious, it is welded in acute angle stitching portion, often generates weld defect, cause failure welding, this can reduce product quality.
Utility model content
This application provides a kind of Battery case and battery pack, to solve to cause product quality is relatively low to ask because of failure welding
Topic.
The first aspect of the application provides a kind of Battery case, and including bearing frame, the bearing frame is used to support battery;
The bearing frame includes angle connecting portion and multiple bar segments, in multiple bar segments, at least two bar shapeds
Section is fixedly connected by the angle connecting portion, and two bar segments being connected with the angle connecting portion are respectively the first bar shaped
Section and the second bar segment;
It is identical with the extending direction of first bar segment that the part of first bar segment is connected on the angle connecting portion,
And the part that second bar segment is connected on the angle connecting portion is identical with the extending direction of second bar segment.
Optionally, the bar segment includes the first protrusion and the first support portion, first protrusion and described first
Support portion is fixedly connected;
First support portion is used to support at least a portion of the battery, and is applied to institute along first support portion
The direction of support force on battery is stated, first protrusion protrudes from first support portion.It is convex that the bar segment includes first
Go out portion and the first support portion, first protrusion is fixedly connected with first support portion;
First support portion is used to support at least a portion of the battery, and is applied to institute along first support portion
The direction of support force on battery is stated, first protrusion protrudes from first support portion.
Optionally, the angle connecting portion includes the second protrusion and the second support portion, second protrusion and described the
Two support portions are integrally formed;
Second protrusion protrudes from first support portion along the direction, and first support portion is used to support institute
State a part for battery.
Preferably, the bar segment has cavity, and the cavity runs through the bar shaped along the extending direction of the bar segment
Section.
Preferably, reinforcing rib is provided in the cavity, the reinforcing rib is connected with the bar segment, and the reinforcing rib
Extend along the extending direction.
Preferably, the angle connecting portion has inserting section, and the inserting section is plugged in the cavity, and the inserting section with
The bar segment is in the direction upper limit cooperation of the axis perpendicular to the bar segment.
Preferably, it is provided with groove on the angle connecting portion.
Preferably, Battery case provided herein further includes reinforcing beam, the reinforcing beam and at least two bar segments
Connection;
The reinforcing beam includes the 3rd protrusion and the 3rd support portion, the 3rd protrusion and the 3rd support portion one
It is body formed;
3rd protrusion protrudes from the 3rd support portion along the direction, and the 3rd support portion is used to support institute
State at least a portion of battery.
Preferably, Battery case provided herein further includes angle rib, the angle rib and the reinforcing beam
It is all connected with the bar segment.
The application second aspect provides a kind of battery pack, including battery and any of the above-described Battery case, the cell support
In on the bearing frame of the Battery case.
The technical solution that the application provides can reach following advantageous effect:
In Battery case provided herein, bearing frame is used to support battery, and at least two bar segments lead in bearing frame
Angle connecting portion is crossed to be fixedly connected, by setting the extending direction for the part-structure for connecting two bar segments on the connecting portion of angle respectively,
Identical with the extending direction of two bar segments, it is in 180 ° of mated conditions that can make the splicing seams of joint angle connecting portion and bar segment,
The splicing seams of such structure are easier to be connected, and to prevent weld defect, and then can reduce bad connection rate, Jin Erke
To promote product quality.
It should be appreciated that above general description and following detailed description is only exemplary, this can not be limited
Application.
Description of the drawings
The front view of bearing frame in the Battery case that Fig. 1 is provided by the embodiment of the present application;
The structure diagram of bar segment in the Battery case that Fig. 2 is provided by the embodiment of the present application;
The structure diagram of angle connecting portion in the Battery case that Fig. 3 is provided by the embodiment of the present application.
Reference numeral:
1- bar segments;
10- cavitys;
The first protrusions of 11-;
The first support portions of 12-;
13- reinforcing ribs;
2- angles connecting portion;
The second protrusions of 21-;
The second support portions of 22-;
23- inserting sections;
3- reinforcing beams.
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and for explaining the principle of the application together with specification.
Specific embodiment
The application is described in further detail below by specific embodiment and with reference to attached drawing.
As shown in Figs. 1-3, the structure diagram of bearing frame in the Battery case that Fig. 1 is provided by the embodiment of the present application;This
Application embodiment provides a kind of Battery case, which includes bearing frame, and bearing frame can be used for supporting battery, when
So, other structures can also be included in Battery case, such as package board and upper cover, package board can be used for being encapsulated in bearing frame
Outside.Bearing frame can include angle connecting portion 2 and multiple bar segments 1, and in multiple bar segments 1, at least two bar segments 1 can lead to
It crosses angle connecting portion 2 to be fixedly connected, angle connecting portion 2 and the part that two bar segments 1 connect and corresponding bar segment 1 can be set
Extending direction is identical.
Wherein, bar segment 1 and angle connecting portion 2 all can be metal material be made, angle connecting portion 2 can pass through the side of die casting
Formula is formed, and bar segment 1 can also be formed by way of die casting, and certainly, bar segment 1 can also pass through the modes shape such as extrusion molding
Into.Those skilled in the art can determine the length of each bar segment 1 according to actual demand, and bar segment 1 is perpendicular to its length
Direction on section shape can be it is a variety of, such as square, circular or other irregular structures, this application is not limited
System;Corresponding, on foregoing direction, the section of angle connecting portion 2 can be identical with the cross sectional shape of bar segment 1, this can ensure
Connection reliability between angle connecting portion 2 and bar segment 1.Angle connecting portion 2 can be set in perpendicular shape structure so that angle connects
It is identical with the extending direction of corresponding bar segment 1 with two bar segments 1 part connected respectively in portion 2.Of course, in order to avoid
There is wedge angle, the corner structure of angle connecting portion 2 can be arranged to circular configuration.
Above-mentioned to understand, in Battery case provided herein, bearing frame can support battery, in bearing frame, at least the
One bar segment and the second bar segment are connected by angle connecting portion 2, and the first bar segment and second are connected on angle connecting portion 2 by setting
The extending direction of the part of bar segment, it is identical with the extending direction of corresponding bar segment 1, it can allow two connecting sewings be in
180 ° of mated conditions, this can improve welding quality, to prevent weld defect, and then can promote product quality.
Further, bar segment 1 can include the first protrusion 11 and the first support portion 12, and the first protrusion 11 can be with
First support portion 12 is fixedly connected;First support portion 12 can support at least a portion of battery, and be applied along the first support portion 12
The direction of support force on battery is added on, the first protrusion 11 can protrude from the first support portion 12.
Specifically, the first protrusion 11 and the first support portion 12 can be molded with split, then connect by welding
One, in order to improve enabling capabilities, the first support portion 12 can be solid construction;Certainly, in the case where structural strength is enough,
First support portion 12 and the first protrusion 11 can also be hollow-core construction;First protrusion 11 and the first support portion 12 can also
It is integrally formed by way of die casting or extrusion molding, to improve the whole structural strength of bar segment 1;First support portion 12 can be with
At least a portion of battery is supported, on the direction of the support force provided in the first support portion 12, the first protrusion 11 can be convex
For the first support portion 12 so that the first protrusion 11 can carry out /V to battery, larger displacement occur to avoid battery
Situation.Certainly, other fastening structures can also be provided on bearing frame, such as can mounting hole be set on bar segment 1, by spiral shell
Battery can be fixedly connected on bearing frame by line connector, this can further promote the security of battery.
Likewise, angle connecting portion 2 can also include the second protrusion 21 and the second support portion 22, the second protrusion 21 can be with
It is integrally formed with the second support portion 22;Second protrusion 21 can also be applied to the side of support force on battery along the second support portion 22
To the first support portion 12 is protruded from, the first support portion 12 can support a part for battery.So set, it can improve for branch
The area of the supporting surface of battery is supportted, is conducive to be promoted the energy density of entire battery pack.
In order to reduce the weight of entire Battery case, as shown in Fig. 2, bar segment 1 can be provided with cavity 10, the cavity 10
Entire bar segment 1 can be run through along the extending direction of bar segment 1.
Specifically, the bar segment 1 of cavity structure can directly be formed by extruding-out process, this can be with significant increase
Processing efficiency.
In order to avoid the structural strength of the bar segment 1 of 10 structure of cavity reduces excessively, a kind of optional specific embodiment party
Formula is, can in the cavity 10 of bar segment 1 connection strengthening rib 13, the quantity of reinforcing rib 13 can be multiple, multiple reinforcing ribs
13 can extend along foregoing extending direction, to improve the structural strength of entire bar segment 1.Likewise, reinforcing rib 13 can also
It is formed directly into the bar segment 1 of 10 structure of cavity.
Further, as shown in figure 3, angle connecting portion 2 can be provided with inserting section 23, inserting section 23 can be plugged in item
In the cavity 10 of shape section 1, and inserting section 23 can be made to match somebody with somebody with direction upper limit of the bar segment 1 in the axis perpendicular to bar segment 1
It closes.
Specifically, the angle connecting portion 2 with inserting section 23 can be directly formed by way of die casting, and certainly, angle connection
In portion 2, inserting section 23 can be provided at the part that is connected respectively with two bar segments 1;In joint angle connecting portion 2 and bar shaped
It is mating by inserting section 23 and cavity 10 during section 1, under the guiding role of inserting section 23, connection can be reduced
Difficulty;Meanwhile inserting section 23 coordinates with bar segment 1 in the direction upper limit perpendicular to 1 axis of bar segment, is also possible to prevent welding
During connecing angle connecting portion 2 and bar segment 1, cause the problem of weld defect occur because relative motion occurs in the two.
In order to improve weld strength, it is preferred that can also be set at least one of angle connecting portion 2 and bar segment 1
Groove.Since angle connecting portion 2 is provided with inserting section 23, and inserting section 23 can be plugged in the cavity 10 of bar segment 1, thus is
Finished edge is avoided to make bar segment 1 impaired, specifically, groove can be set on angle connecting portion 2.
Further, Battery case provided herein can also include reinforcing beam 3, and reinforcing beam 3 can be at least two
A bar segment 1 connects, and the setting of reinforcing beam 3 can greatly improve the structural strength of entire Battery case.
Specifically, the structure and making material of reinforcing beam 3 can be identical with bar segment 1, meanwhile, reinforcing beam 3 can also
It is formed by way of extrusion molding, this allows bar segment 1 and reinforcing beam 3, and by same device fabrication, this is conducive to drop
Low production cost;Likewise, in order to improve the enabling capabilities to battery, reinforcing beam 3 can also include the 3rd support portion and the 3rd
Protrusion, the 3rd support portion can support a part for battery, and the 3rd protrusion can be protruded from along the direction of foregoing support force
3rd support portion, the 3rd protrusion can play battery certain position-limiting action.
In order to further improve the company between the structural strength of entire Battery case and raising reinforcing beam 3 and bearing frame
Intensity is connect, Battery case provided herein can also include angle rib, and bearing frame and reinforcing beam 3 can be strengthened with angle
Portion connects.Specifically, angle rib can be square platy structure, it can be adjacent by angle rib by welding
Two sides are connected respectively with bearing frame and reinforcing beam 3, this can improve the bonding strength between reinforcing beam 3 and bearing frame, into
And the structural strength of entire Battery case can be improved.
Based on the Battery case that any of the above-described embodiment is provided, the application also provides a kind of battery pack, the battery pack bag
Battery and any of the above-described Battery case are included, battery can be supported on the bearing frame of Battery case, the welding effect of the battery pack
More preferably, quality higher.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of Battery case, which is characterized in that including bearing frame, the bearing frame is used to support battery;
The bearing frame includes angle connecting portion and multiple bar segments, and in multiple bar segments, at least two bar segments lead to
The angle connecting portion is crossed to be fixedly connected, and two bar segments being connected with the angle connecting portion be respectively the first bar segment and
Second bar segment;
It is identical with the extending direction of first bar segment that the part of first bar segment is connected on the angle connecting portion, and institute
It is identical with the extending direction of second bar segment to state the part that second bar segment is connected on the connecting portion of angle.
2. Battery case according to claim 1, which is characterized in that the bar segment includes the first protrusion and first
Support part, first protrusion are fixedly connected with first support portion;
First support portion is used to support at least a portion of the battery, and is applied to the electricity along first support portion
The direction of the support force in pond, first protrusion protrude from first support portion.
3. Battery case according to claim 2, which is characterized in that the angle connecting portion includes the second protrusion and second
Support portion, second protrusion are integrally formed with second support portion;
Second protrusion protrudes from first support portion along the direction, and first support portion is used to support the electricity
The part in pond.
4. Battery case according to claim 1, which is characterized in that the bar segment has cavity, and the cavity is along institute
The extending direction for stating bar segment runs through the bar segment.
5. Battery case according to claim 4, which is characterized in that reinforcing rib, the reinforcement are provided in the cavity
Muscle is connected with the bar segment, and the reinforcing rib extends along the extending direction.
6. Battery case according to claim 4, which is characterized in that the angle connecting portion has inserting section, the grafting
Section is plugged in the cavity, and the inserting section and the bar segment are in the direction upper limit of the axis perpendicular to the bar segment
Cooperation.
7. Battery case according to claim 6, which is characterized in that be provided with groove on the angle connecting portion.
8. Battery case according to claim 4, which is characterized in that further include reinforcing beam, the reinforcing beam and at least two
A bar segment connection;
The reinforcing beam include the 3rd protrusion and the 3rd support portion, the 3rd protrusion and the 3rd support portion one into
Type;
3rd protrusion protrudes from the 3rd support portion along the direction, and the 3rd support portion is used to support the electricity
At least a portion in pond.
9. Battery case according to claim 8, which is characterized in that further include angle rib, the angle rib and institute
It states reinforcing beam and the bar segment is all connected with.
10. a kind of battery pack, which is characterized in that including battery and Battery case as claimed in any one of claims 1-9 wherein, institute
Cell support is stated on the bearing frame of the Battery case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721429120.9U CN207381451U (en) | 2017-10-31 | 2017-10-31 | Battery case and battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721429120.9U CN207381451U (en) | 2017-10-31 | 2017-10-31 | Battery case and battery pack |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207381451U true CN207381451U (en) | 2018-05-18 |
Family
ID=62333731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721429120.9U Active CN207381451U (en) | 2017-10-31 | 2017-10-31 | Battery case and battery pack |
Country Status (1)
Country | Link |
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CN (1) | CN207381451U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110048050A (en) * | 2019-04-19 | 2019-07-23 | 东风汽车有限公司 | Battery pack |
CN113889707A (en) * | 2021-10-29 | 2022-01-04 | 北京胜能能源科技有限公司 | Battery box, battery system and vehicle |
-
2017
- 2017-10-31 CN CN201721429120.9U patent/CN207381451U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110048050A (en) * | 2019-04-19 | 2019-07-23 | 东风汽车有限公司 | Battery pack |
CN110048050B (en) * | 2019-04-19 | 2022-03-04 | 东风汽车有限公司 | Battery pack |
CN113889707A (en) * | 2021-10-29 | 2022-01-04 | 北京胜能能源科技有限公司 | Battery box, battery system and vehicle |
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