CN200941400Y - Casing of battery - Google Patents
Casing of battery Download PDFInfo
- Publication number
- CN200941400Y CN200941400Y CNU2006201312317U CN200620131231U CN200941400Y CN 200941400 Y CN200941400 Y CN 200941400Y CN U2006201312317 U CNU2006201312317 U CN U2006201312317U CN 200620131231 U CN200620131231 U CN 200620131231U CN 200941400 Y CN200941400 Y CN 200941400Y
- Authority
- CN
- China
- Prior art keywords
- hole
- pole piece
- battery
- shell
- housing apparatus
- 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 - Lifetime
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
A device of a battery shell comprises a polar core passing plate (1) and a shell location body which is fixed in one side of the polar core passing plate (2) wherein the polar core passing plate comprises a polar core passing hole (3), the surrounding of which includes a guiding element (5); the shell location body comprises a shell location hole (4) which is communicating with the polar core passing hole. The battery shell device has guide components in the surrounding of the polar core passing hole, so the battery polar core ban is packaged into the shell of the battery through the rolling of the guide components after the shell location body locating the battery shell. So, compared with the sliding friction force the polar core bears when the polar core is packaged into the shell in the present technology wherein in the process of packaging, the battery polar core only bears the rolling friction force, which reduces greatly the friction force that the polar core bears, prevents effectively the break of the polar core in the process of packaging to reduce the probability of internal fault of the battery and improves evidently the safety performance of the battery.
Description
Technical field
The utility model relates to field of batteries, more particularly, relates to a kind of being used for pack into the battery cover housing apparatus of shell of Battery Pole Core cover.
Background technology
The security performance of battery is one of important indicator of weighing battery behavior always, because it is directly connected to user's personal safety, and the internal short-circuit of battery is a principal element that influences battery safety.Prior art is in battery case that the pole piece cover is packed into the time, directly employing handwork usually.Because Battery Pole Core is to be formed by both positive and negative polarity and the stacked coiling of barrier film, hardness is lower, and battery case is generally aluminum or steel, hardness is higher, and in the handwork process, because the operators'skills restriction, can not guarantee sheath body direction very accurately, therefore in the time of in battery case that the pole piece cover is packed into, can produce strong friction between pole piece and the shell, so that cause the pole piece breakage.The breakage of pole piece is as potential hidden danger, is given a shock at battery, during external action such as extruding, causes internal short-circuit of battery possibly, thereby have a strong impact on the security performance of battery, even cause security incident.Though be head it off; usually can adopt the mode of a thin slice pad in shell edge imported pole piece in the battery case; though but this mode has been avoided direct contact the between pole piece and the shell edge; but but reduced the distance between the shell shell wall; increase the friction between pole piece and the thin slice, therefore still caused the pole piece breakage easily.
The utility model content
The purpose of this utility model is that damaged defective takes place when pole piece is in cover is packed battery case in the prior art easily, and a kind of damaged battery cover housing apparatus that can effectively prevent to take place when Battery Pole Core is in cover is packed battery case into is provided.
Battery that the utility model provides cover housing apparatus comprises that pole piece is by plate 1 be fixed on the shell positioning body 2 of pole piece by plate 1 one sides, described pole piece passes through hole 3 by comprising pole piece on the plate 1, described pole piece comprises the shell location hole 4 that connects by hole 3 with pole piece by comprising guide 5 around the hole 3 on the described shell positioning body 2.
Because the battery cover housing apparatus that the utility model provides is provided with guide at pole piece around by the hole, therefore utilizing after the shell positioning body positions battery case, Battery Pole Core can be encased in the battery case by the rolling of guide.Therefore, in the process of suit, Battery Pole Core will only be subjected to force of rolling friction, this compares with the prior art force of sliding friction that pole piece is subjected in the shell of directly the pole piece cover being packed into, the suffered frictional force of pole piece will obviously be reduced, therefore it is damaged to prevent effectively that Battery Pole Core from taking place in the cover process of assembling, thereby reduces the possibility of battery generation internal short-circuit, significantly improves the security performance of battery.
Description of drawings
The schematic cross-section of the battery cover housing apparatus of a kind of execution mode that Fig. 1 provides for the utility model;
The planar structure schematic diagram that Fig. 2 sees by a side that does not connect the shell positioning body of plate from pole piece for the battery cover housing apparatus that the utility model provides;
The perspective view that Fig. 3 sees by a side that is connected with the shell positioning body of plate from pole piece for the battery cover housing apparatus that the utility model provides;
The schematic cross-section of the battery cover housing apparatus of a kind of execution mode that Fig. 4 provides for the utility model;
The schematic cross-section of the battery cover housing apparatus of a kind of execution mode that Fig. 5 provides for the utility model;
Fig. 6 overlaps the planar structure schematic diagram that housing apparatus is seen by a side that does not connect the shell positioning body of plate from pole piece for the battery of a kind of execution mode that the utility model provides.
Embodiment
Below, with reference to accompanying drawing the utility model is described in detail.
Battery that the utility model provides cover housing apparatus comprises that pole piece is by plate 1 be fixed on the shell positioning body 2 of pole piece by plate 1 one sides, described pole piece passes through hole 3 by comprising pole piece on the plate 1, described pole piece is by comprising guide 5 around the hole 3, comprise the shell location hole 4 that connects by hole 3 with pole piece on the described shell positioning body 2, as shown in Figure 1.
Wherein, described pole piece can be different shape as required by plate 1, as rectangle, circle etc.
Described pole piece can be arranged on pole piece by on any position of plate 1 as required by hole 3.
Described pole piece passes through hole 3 according to the Battery Pole Core of need assembling and the varying cross-section shape of shell, can be for various corresponding shapes, as rectangle, circle etc.For example, when the battery of needs assembling was rectangular cell, described pole piece was a rectangle by hole 3, and preferably, the rectangle pole piece is fillet by four angles in hole 3, with the rounding off of realizing the hole and the suit that helps pole piece, as shown in Figure 2.
The size of described pole piece by hole 3 can be decided according to the size of the battery case of required assembling, and generally, pole piece equals or be slightly smaller than the cross sectional dimensions of battery case inwall substantially by the size in hole 3, so that the pole piece cover is packed in the shell.For example, when the battery of needs assemblings was rectangular cell, pole piece equaled the width of the cross section of battery case inwall substantially by the width in hole 3, and pole piece is slightly smaller than the length of the cross section of battery case inwall by the length in hole 3.
Described pole piece is by comprising guide 5 around the hole 3, and therefore, described pole piece should have corresponding thickness according to the quantity of wherein set guide by plate 1.According to the difformity of pole piece by hole 3, described guide 5 can have different forms and set-up mode, and the quantity of guide 5 also can be decided according to the actual requirements.Usually, described guide 5 can be preferably roll shaft for roll shaft, ball etc.
According to a kind of concrete execution mode of the utility model, when pole piece by hole 3 when be rectangle, described guide 5 is straight oval column roll shaft, and quantity is at least two, is distributed in described rectangle pole piece and passes through on the sidewall on two long limits in hole 3.And under the preferable case, at least two straight oval column roll shafts described rectangle pole piece by the sidewall on two long limits in hole 3 on symmetric arrays in pairs.As shown in Figure 1, described rectangle pole piece is distributed in the roller bearing 51,52 of this rectangle pole piece by the paired arrangement on the sidewall on two long limits in hole 3 by comprising around the hole 3.
Generally, the length of distance between the roll shaft 51,52 of described paired arrangement and roll shaft 51,52 can be determined according to the cross sectional dimensions of battery case inwall.Under the preferable case, the distance between the roll shaft of arranging 51,52 is the 80%-100% of rectangle pole piece by the width in hole 3, more preferably 90%-99% in pairs.The length of roll shaft 51,52 is at least 110% of the length of rectangle pole piece by hole 3.And the length of described roll shaft 51,52 can exceed or not exceed pole piece by outside the plate 1, for example can be by accessory be set, as bearing etc., be beneficial to the rolling of roll shaft.
Under the preferable case, for further reducing Battery Pole Core when cover is packed battery case into and the frictional force between the shell, the straight oval column roll shaft of described paired arrangement is along perpendicular to the direction of pole piece by plate 1, and promptly the direction along the Battery Pole Core suit is a multilayer.The number of plies of roll shaft can be decided as required, as being the 1-10 layer, is preferably the 1-5 layer, more preferably layer 2-3.And more preferably under the situation, near the spacing between the roll shaft of the paired arrangement of shell positioning body 2 one sides smaller or equal to away from the spacing between the roll shaft of the paired arrangement of shell positioning body 2 one sides, to play guide effect.Under the roll shaft number of plies is situation more than two-layer, pass through the direction of plate 1 along pole piece to shell positioning body 2, spacing between the straight oval column roll shaft of arranging diminishes successively or equates in pairs, and preferably, the spacing between the straight oval column roll shaft of arranging diminishes successively in pairs.
Shown in Fig. 3 and 4, is rectangle with described pole piece by hole 3, and is example along pole piece by the situation that plate 1 to the direction of shell positioning body 2 is provided with the roll shaft of two-layer paired arrangement, described roll shaft comprises respectively along two the roller bearings 51 that long limit be provided with of this rectangle pole piece by hole 3,51 ' and 52,52 '.Wherein, will be near the roll shaft 51 ', 52 ' of the paired arrangement of shell positioning body 2 one sides as the ground floor roll shaft, will be away from the roll shaft 51,52 of the paired arrangement of shell positioning body 2 one sides as second layer roll shaft.Distance between the roll shaft 51 ', 52 ' is smaller or equal to the distance between the roll shaft 51,52, to play guide effect.
Usually, be roughly 3 millimeters-8 millimeters at the thickness of the battery that is assembled, the thickness of described pole piece by plate 1 is roughly under 8 millimeters-15 millimeters the situation, and the diameter of described roll shaft is roughly 0.5 millimeter-3 millimeters, is preferably 1.5 millimeters-2 millimeters.The diameter of roll shaft can according to the size of the battery that is assembled, pole piece by plate 1 thickness and the difference of the quantity of set roll shaft change.After battery case being navigated on the shell positioning body 2, at a distance of certain distance, be generally 0.1 millimeter-2 millimeters between the roll shaft of the most close shell positioning body 2 and the faucal of battery case, be preferably 0.1 millimeter-0.5 millimeter.
Described shell positioning body 2 is used for location and support cells shell, and shell positioning body 2 can be fixed to the side of pole piece by plate 1 by variety of way, as by welding, bonding, bolt connects, riveted joint or directly by casting formation integrative-structure.Described shell positioning body 2 can be different shape as required, and is of different sizes.Perhaps as selection, described shell positioning body 2 also can be by two parts, and the supporting bracket that promptly be used to locate the location-plate of battery case and be used for the support cells shell constitutes.After these two parts are made separately, it is assembled into is fixed to pole piece together again by on the plate 1.Its function that realizes is identical with the described shell positioning body 2 of integrative-structure, so repeat no more.
Comprise on the described shell positioning body 2 and the shell location hole 4 of pole piece, be used for location and support cells shell by hole 3 perforations.According to the Battery Pole Core of need assembling and the varying cross-section shape of shell, described shell location hole 4 can be for passing through hole 3 corresponding different shapes with pole piece.The size of described shell location hole 4 is consistent with the cross sectional dimensions of battery case outer wall, to guarantee accurately location and stable support battery case.That is to say that generally, described pole piece passes through the size of the size in hole 3 less than described shell location hole 4, both differences are the wall thickness of battery case.And described pole piece is consistent by the center of hole 3 with shell location hole 4, that is to say that their planes of symmetry along its length are same plane, and the plane of symmetry of broad ways also is same plane.
Under the preferable case, as shown in Figure 5, described pole piece is a shoulder hole by hole 3, its away from the size in the hole of shell location hole 4 one sides less than size near the hole of shell location hole 4 one sides, and the size in the hole of close shell location hole 4 one sides equals the size of shell location hole 4, that is to say, be the wall thickness of battery case away from the size in the hole of shell location hole 4 one sides with difference near the size in the hole of shell location hole 4 one sides.In the case, battery case positions by the side of stepped pole piece by the close shell location hole 4 in hole 3.
Under the preferable case, described pole piece is used for described battery cover housing apparatus is fixed to required service position by also comprising fixing hole 6 on the plate 1, and the position of described fixing hole 6 and quantity can be decided as required.And more preferably, described pole piece is used for when fixing described battery overlaps housing apparatus battery cover housing apparatus being positioned by also comprising location hole 7 on the plate 1, and the position of described location hole 7 and quantity can be decided as required, as shown in Figure 6.
When the battery cover housing apparatus that uses the utility model to provide, battery case that at first will be to be assembled inserts in the shell positioning body 2 and positions, and Battery Pole Core that then will be to be assembled is aimed at pole piece by hole 3.Like this, by being arranged on pole piece, just can easily Battery Pole Core be imported in the battery case by the roll shaft around the hole 3.In this process, because the frictional force that Battery Pole Core is subjected to obviously reduces, it is damaged to prevent effectively that therefore Battery Pole Core from taking place in this process.
Claims (14)
1. a battery overlaps housing apparatus, it is characterized in that, this battery cover housing apparatus comprises that pole piece passes through plate (1) and is fixed on the shell positioning body (2) of pole piece by plate (1) one side, described pole piece passes through hole (3) by comprising pole piece on the plate (1), described pole piece comprises guide (5) on every side by hole (3), comprises the shell location hole (4) that connects by hole (3) with pole piece on the described shell positioning body (2).
2. battery cover housing apparatus according to claim 1 is characterized in that described pole piece is a rectangle by hole (3).
3. battery cover housing apparatus according to claim 2 is characterized in that described pole piece is fillet by four angles of hole (3).
4. battery according to claim 2 cover housing apparatus is characterized in that, described pole piece is same plane by hole (3) and shell location hole (4) along the plane of symmetry of the length direction in hole, is same plane along the plane of symmetry of the Width in hole.
5. battery cover housing apparatus according to claim 2 is characterized in that described guide (5) is at least two straight oval column roll shafts, and is distributed on the sidewall of described rectangle pole piece by two long limits in hole (3).
6. battery according to claim 5 cover housing apparatus is characterized in that, at least two straight oval column roll shafts are arranged on by the sidewall on two long limits in hole (3) in pairs at described rectangle pole piece.
7. battery cover housing apparatus according to claim 6 is characterized in that the straight oval column roll shaft of arranging is a multilayer in pairs, and along arranging by the direction of plate (1) perpendicular to pole piece.
8. battery cover housing apparatus according to claim 7 is characterized in that the number of plies of the straight oval column roll shaft of arranging is the 1-5 layer in pairs.
9. battery according to claim 7 cover housing apparatus is characterized in that, near the spacing between the roll shaft of the paired arrangement of shell positioning body (2) one sides smaller or equal to away from the spacing between the roll shaft of the paired arrangement of shell positioning body (2) one sides.
10. battery cover housing apparatus according to claim 7 is characterized in that by the direction of plate (1) to shell positioning body (2), the spacing between the straight oval column roll shaft of arranging diminishes successively in pairs along pole piece.
11. battery cover housing apparatus according to claim 6 is characterized in that the distance between the roll shaft of described paired arrangement is the 80%-100% that pole piece passes through hole (3) width.
12. battery cover housing apparatus according to claim 5 is characterized in that the length of described roll shaft is at least pole piece by 110% of hole (3) length.
13. battery cover housing apparatus according to claim 1 is characterized in that described pole piece passes through the size of the size in hole (3) less than described shell location hole (4).
14. battery cover housing apparatus according to claim 1, it is characterized in that, described pole piece is a shoulder hole by hole (3), this pole piece by the hole away from the size of shell location hole (4) one sides less than size near shell location hole (4) one sides, and equal the size of shell location hole (4) near the size of shell location hole (4) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201312317U CN200941400Y (en) | 2006-08-22 | 2006-08-22 | Casing of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201312317U CN200941400Y (en) | 2006-08-22 | 2006-08-22 | Casing of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941400Y true CN200941400Y (en) | 2007-08-29 |
Family
ID=38747575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201312317U Expired - Lifetime CN200941400Y (en) | 2006-08-22 | 2006-08-22 | Casing of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941400Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956849A (en) * | 2012-11-13 | 2013-03-06 | 深圳职业技术学院 | Lithium battery jacketing machine |
| CN103078144A (en) * | 2013-01-24 | 2013-05-01 | 株洲市高远电池有限公司 | Device for improving reliability of lithium ion battery and use method of device |
| CN112531198A (en) * | 2020-12-04 | 2021-03-19 | 孚能科技(赣州)股份有限公司 | Battery module assembling device and method |
-
2006
- 2006-08-22 CN CNU2006201312317U patent/CN200941400Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956849A (en) * | 2012-11-13 | 2013-03-06 | 深圳职业技术学院 | Lithium battery jacketing machine |
| CN103078144A (en) * | 2013-01-24 | 2013-05-01 | 株洲市高远电池有限公司 | Device for improving reliability of lithium ion battery and use method of device |
| CN103078144B (en) * | 2013-01-24 | 2014-11-05 | 株洲市高远电池有限公司 | Device for improving reliability of lithium ion battery and use method of device |
| CN112531198A (en) * | 2020-12-04 | 2021-03-19 | 孚能科技(赣州)股份有限公司 | Battery module assembling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
|
| EXPY | Termination of patent right or utility model |