CN201112436Y - Soft package battery - Google Patents
Soft package battery Download PDFInfo
- Publication number
- CN201112436Y CN201112436Y CNU2007201288168U CN200720128816U CN201112436Y CN 201112436 Y CN201112436 Y CN 201112436Y CN U2007201288168 U CNU2007201288168 U CN U2007201288168U CN 200720128816 U CN200720128816 U CN 200720128816U CN 201112436 Y CN201112436 Y CN 201112436Y
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- CN
- China
- Prior art keywords
- housing
- plastic body
- battery
- battery container
- flexible
- 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
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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
Abstract
The utility model provides a soft packaging battery. The battery includes a battery container body and a battery cell arranged in the battery container body, wherein the ends of the battery container body are packaged by plastic. According to the soft packaging battery provided by the utility model, the ends of the battery container body are packaged by the plastic, so that the dimensional accuracy of the soft packaging battery can be insured by the plastic.
Description
Technical field
The utility model relates to a kind of flexible-packed battery.
Background technology
Flexible package electricity core is compared advantage with lithium ion comparatively obvious, under the identical situation of volume, capacity height, in light weight, performance safety, be difficult for blast. based on these advantages, the more and more supply units that use flexible package electricity core as equipment of the mobile device of existing use.In use, battery charge, routine operations such as replacing SIM card have higher rigidity requirement to electric core, and the shell of flexible package electricity core is softer, this has just formed a pair of contradiction. thereby, when satisfying functional requirement the in use, need encapsulate with various shell mechanisms flexible package electricity core usually, thereby make flexible-packed battery with enough rigidity.
CN2783537Y discloses a kind of socket type internal battery, and wherein, this battery comprises the metal battery shell body, is provided with soft electric core and protective circuit plate or module in the housing, also comprises the locking device that is fixed on the battery container.In addition, described metal battery housing is that involutory sidewall is provided with the overlap joint step that is complementary mutually at thickness direction up and down or involutory two in front and back, and the overlap joint step is provided with and is connected and fixed structure, is used for the metal battery housing is assembled up.
For this battery, because battery container is an injection moulding sheet metal in the plastic cement, must need sheet metal is carried out punching press or bending, and then utilize machining to form fixed structure.After this, utilize the fixed structure of the battery container that is involutory, flexible package electricity core is encapsulated, thereby make this battery.Obviously, the metal shell dimensional accuracy of making by punching press or bending technology is lower, for example, when sheet material being bent 90 when spending, has less error between angle that very difficult assurance is bent to form and 90 degree, and when the housing that is involutory being assembled together, the foozle of housing is amplified, thereby make the size of the battery container of making be difficult to control more by the fixed structure on the overlap joint step.
For the battery of making, if the size of battery container is difficult to control, then means and can not guarantee that the battery of making effectively utilizes its installing space, can not effectively utilize the capacity density that dimensional space improves battery.
The utility model content
The purpose of this utility model is to overcome in the prior art can not effectively control the defective of the size of battery, and a kind of flexible-packed battery that can effectively control the size of making battery is provided.
The utility model provides a kind of flexible-packed battery, and this battery comprises battery container and be arranged on the interior electric core of this battery container that wherein, the end of described battery container is encapsulated by plastic body.
The flexible-packed battery that provides according to the utility model, because the end of battery container is encapsulated by plastic body, like this, the size of this plastic body limiting battery housing on Width and short transverse can be passed through, the dimensional accuracy on Width and short transverse can be guaranteed; On the battery length direction, can guarantee the dimensional accuracy of battery by the matching relationship (stretching into the length and the length that stretches out in battery container of battery container) of plastic body and battery container at length direction.
Description of drawings
The decomposition diagram of the flexible-packed battery that Fig. 1 provides for the utility model;
Fig. 2 is the perspective view of battery container in the presentation graphs 1;
Fig. 3 is the sectional view of the syndeton of battery container in the presentation graphs 1;
Fig. 4 is another perspective view of battery container in the presentation graphs 1;
Fig. 5 is the schematic diagram of expression according to installation protection circuit plate in the flexible-packed battery of the present utility model.
Fig. 6 is the perspective view of flexible-packed battery among Fig. 1.
Embodiment
Below with reference to accompanying drawing execution mode of the present utility model is described in detail.
As shown in Figure 1, the flexible-packed battery that the utility model provides comprises battery container 2 and the electric core 1 that is arranged in this battery container 2, and wherein, the end of described battery container 2 is by plastic body 3 encapsulation.
As Fig. 2 and shown in Figure 4, because the existence of plastic body 3, by plastic body 3 and the matching relationship of battery container 2 in the end of this housing, can guarantee that the size of battery container 2 on short transverse and Width is in the rational error range, can also be by plastic body 3 and battery container 2 matching relationship in the longitudinal direction, determine that entire cell also has correct size in the longitudinal direction, thereby can control the external dimensions precision of flexible-packed battery.
As Fig. 2 and shown in Figure 4, battery container 2 comprises first housing 4 and second housing 5, first housing 4 and second housing 5 directly cooperatively interact by being arranged at the syndeton on described battery container 2 sides in the side of battery container 2, plastic body 3 comprises that first plastic body 6 and second plastic body, 7, the first housings 4 and second housing 5 encapsulate by first plastic body 6 and second plastic body 7 in the end of battery container 2.
In this embodiment, battery container 2 is along being divided into first housing 4 and second housing 5 on the length direction of battery, those of ordinary skills will be appreciated that, battery container 2 both can be divided into first housing 4 and second housing 5 at the length direction of flexible-packed battery, also can on Width, be divided into first housing and second housing, both of these case is identical in itself, is sealed by plastic body 3 as long as satisfy the end of battery container.Thereby only the situation to this embodiment is described in detail in description subsequently.
As shown in Figure 2, side at battery container, first housing 4 and second housing 5 directly cooperatively interact by being arranged at the syndeton on described battery container 2 sides, and in the end of battery container, first housing 4 and second housing 5 cooperate indirectly by first plastic body 6 and second plastic body 7.
Acting as of syndeton closely links together first housing 4 and second housing 5.As shown in Figures 2 and 3, described syndeton comprises the stage portion 8 of the lateral ends that is arranged on first housing 4 or second housing 5, and this stage portion 8 caves inward from the side of battery container 2, cooperates with the corresponding inner surface of battery container 2 sides.Like this, when first housing 4 and second housing 5 were closed each other, the stage portion of indent can be inserted within the side corresponding with this stage portion 8, thereby formed the firm connection between first housing 4 and second housing 5.Described stage portion 8 is at least a pair of, preferably, all is provided with stage portion 8 on two sides of first housing 4 or second housing 5.Thereby between first housing 4 and second housing 5, form more solid and reliable connection.This syndeton can also have various ways, docks the cooperation of button and dop and draw-in groove etc. as overlap joint step, negative and positive, as long as can form the connection between first housing 4 and second housing 5.
As Fig. 2 and shown in Figure 4, obviously,, be used to place the electric core 1 of flexible package in order to form the space of sealing, need be with the space sealing at housing 2 two ends, for this reason, first plastic body 6 is with the end encapsulation of housing, and second plastic body 7 is with the other end encapsulation of housing.
Because plastic body 3 has the size that cooperatively interacts with first housing 4 and second housing 5, and, in the process that forms plastic body 3, can guarantee that fully the plastic body 3 that forms has size accurately, thereby, can guarantee that the flexible-packed battery of making has high dimension precision by the matching relationship of plastic body 3 (comprising first plastic body 6 and second plastic body 7) with housing 2 (comprising first housing 4 and second housing 5).
Specifically, as Fig. 2 and shown in Figure 4, on Width, the size on the Width of battery is limited by first plastic body 6 and second plastic body 7, and first housing 4 and second housing 5 all are as the criterion with first plastic body 6 or second plastic body 7 on Width; On thickness direction, the size on the thickness direction of battery is also limited by first plastic body 6 and second plastic body 7, and first housing 4 and second housing 5 all are as the criterion with first plastic body 6 or second plastic body 7 on thickness direction; And on the length direction of battery, the size of entire cell comprises that the length dimension of battery container 2 adds plastic body 3 size in the longitudinal direction, and the length dimension of battery container 2 can have higher precision, plastic body 3 also has higher precision simultaneously, thereby, matching relationship that can be by plastic body 3 and battery container 2 to the size Control of entire cell in reasonable range.
In one embodiment, the part 12 of first plastic body 6 of an end of packaged battery housing 2 and first housing, 4 secure fit of battery container 2, and the another part 13 of first plastic body 6 and second housing, 5 secure fit of battery container 2.Second plastic body 7 of the other end of packaged battery housing 2 is single integral body, with first housing, 4 secure fit or with second housing, 5 secure fit.
In this embodiment, as shown in Figure 4, two parts of first plastic body 6 (promptly described a part of 12 of first plastic body 6 and another part 13) can link together by buckle structure.Nature needs to reserve the position of lug or other conducting elements of electric core 1 between described two parts that cooperatively interact, be electrically connected with electric device.Second plastic body 7 can secure fit on first housing 4, also can secure fit on second housing 5, and second plastic body 7 can link together by fit structure and corresponding housing.Like this, when first housing 4 and second housing 5 are assembled together, side at housing, first housing 4 directly is connected by syndeton with second housing 5, and at the end by 6 encapsulation of first plastic body, first housing 4 and second housing 5 link together indirectly by two parts of the first plastic body body 6, and at the other end by the encapsulation of second plastic body 7, first housing 4 and second housing 5 link together with being connected of corresponding housing indirectly by second plastic body 7.
In another embodiment, first plastic body 6 of encapsulating housing 2 one ends is single parts, and second plastic body 7 of encapsulating housing 2 other ends also is single parts.In this case, first plastic body 6 and second plastic body 7 respectively with first housing 4 and second housing, 5 secure fit, first plastic body 6 and second plastic body 7 cooperate with the end anchors of second housing 5 and first housing 4 respectively; Perhaps first plastic body 6 and second plastic body 7 respectively with second housing 5 and first housing, 4 secure fit, first plastic body 6 and second plastic body 7 cooperate with the end anchors of first housing 4 and second housing 5 respectively.That is to say, first plastic body 6 and second plastic body 7 simultaneously secure fit on first housing 4 or second housing 5, thereby, can form the structure that first plastic body 6 and second plastic body 7 are oppositely arranged, thereby make the connection power between first housing 4 and second housing 5 more even, reliable.
Certainly, in fact, except above-mentioned two kinds of execution modes, the matching relationship between plastic body 3 and the battery container 2 can also be achieved by other various ways.Realizing that first housing 4 is connected with second the reliable of housing 5, and can also guarantee that the battery that forms has high dimension precision and gets final product.
Described buckle structure comprises various ways, docks the cooperation of button or grafting dop, dop and draw-in groove etc. as overlap joint step, negative and positive.Described fit structure comprises various ways, docks cooperation of button, dop and draw-in groove or the like as overlap joint step, negative and positive.Above-mentioned buckle structure and fit structure can be selected to use according to practical situations by the those of ordinary skill of mechanical field.
The secure fit of plastic body and housing can be realized by various ways, can be the parts that separate with housing (comprising first housing 4 and second housing 5) as plastic body 3 (comprising first plastic body 6 and second plastic body 7), with the plastic body injection mo(u)lding on housing and make; Plastic body and housing are structure as a whole,, directly form second housing 5 that has first housing 4 of first plastic body 6 and have second plastic body 7 as by making Shooting Technique.
For electric core 1 is played a protective role; under the preferable case; described flexible-packed battery also comprises protection circuit plate 9 and end cap 10; end cap 10 is used for the fixing and encapsulation of protection circuit plate 9; and for entire cell provides necessary shape, wherein, end cap 10 is connected by buckle structure and the plastic body 3 that is positioned at battery container 2 ends; protection circuit plate 9 is fixed between plastic body 3 and the end cap 10, as shown in Figure 5.
The effect of protection circuit plate 9 is: protect electric core voltage to be lower than the setting overcharged voltage when battery charge; When battery discharge, the overdischarge that makes electric core voltage be higher than setting is pressed, thereby prolongs the useful life and the battery security of electric core.Protection circuit plate 9 can be selected according to the application scenario for parts commonly used.For fixing protection circuit plate 9 reliably; under the preferable case; the surface configuration of the end surface shape of described plastic body 3 and end cap 10 contact protection wiring boards 9 all forms matching relationship with the shape of protection circuit plate 9, like this, can just protection circuit plate 9 be placed on the end face of plastic body 3.And end cap 10 can pass through buckle structure (similar with above-mentioned buckle structure, as to be not described in detail at this) and closely be connected on the plastic body 3, thereby the protection circuit plate 9 between end cap 10 and plastic body 3 is securely fixed on the appropriate position.Certainly, protection circuit plate 9 also needs to be electrically connected with electric core 1, the inevitable electrical connection that also satisfies protection circuit plate 9 and electric core 1 of the end face structure of plastic body 3.End cap 10 also has and satisfies protection circuit plate 9 and with the electrical connection between the electric device.These can design realization by the standard machinery technical staff.
According to an execution mode of the present utility model, the assembling process of whole flexible-packed battery is as follows:
Make electric core 1; Pass through Shooting Technique, manufacturing has first housing 4 of first plastic body 6 and has second housing 5 of second plastic body 7, and first housing 4 and second housing 5 can directly be connected by syndeton in the side, in the end, first housing 4 can be connected by the fit structure of first plastic body 6 and second plastic body 7 indirectly with second housing 5; Electric core 1 is inserted in the housing (first housing 4 or second housing 5), with housings close; Protection circuit plate 9 is placed be connected on the plastic body 3 of shell end and with end cap 10 and cover on the plastic body 3, thereby with protection circuit plate 9 secure fixation.Make flexible-packed battery at last.
Correctly use for the ease of make mark guide consumption person on the flexible-packed battery that makes, under the preferable case, described battery also comprises labeling 11, and this labeling 11 is fitted in battery container 2, moulding bodies 3 and covers on 10 the side surface, as Fig. 1 and shown in Figure 6.
According to the flexible-packed battery that the utility model provides, can guarantee that battery has high dimension precision by the matching relationship (stretching into the length and the length that stretches out in battery container of battery container) of plastic body 3 with battery container 2.
Claims (7)
1. flexible-packed battery, this flexible-packed battery comprise battery container (2) and are arranged on electric core (1) in this battery container (2), it is characterized in that the end of described battery container (2) is encapsulated by plastic body (3).
2. flexible-packed battery according to claim 1, it is characterized in that, described battery container (2) comprises first housing (4) and second housing (5), described first housing (4) and second housing (5) directly cooperatively interact by being arranged at the syndeton on described battery container (2) side in the side of described battery container (2), described plastic body (3) comprises first plastic body (6) and second plastic body (7), and described first housing (4) and second housing (5) encapsulate by described first plastic body (6) and second plastic body (7) in the end of described battery container (2).
3. flexible-packed battery according to claim 2, it is characterized in that, the described syndeton that is arranged on described battery container (2) side comprises the stage portion (8) that is arranged at described first housing (4) or second housing (5) lateral ends, this stage portion (8) caves inward from the side of described battery container (2), cooperates with the corresponding inner surface of described battery container (2) side.
4. flexible-packed battery according to claim 2, it is characterized in that, the part (12) of described first plastic body (6) is fixedlyed connected with described first housing (4), another part (13) is fixedlyed connected with described second housing (5), and a part (12) and another part (13) of first plastic body (6) cooperatively interact by buckle structure.
5. flexible-packed battery according to claim 2, it is characterized in that, described first plastic body (6) is fixedlyed connected with second housing (5) with described first housing (4) respectively with second plastic body (7), and described first plastic body (6) and second plastic body (7) cooperate with the end anchors of second housing (5) and first housing (4) respectively.
6. flexible-packed battery according to claim 1; it is characterized in that; described flexible-packed battery also comprises protection circuit plate (9) and end cap (10); described end cap (10) is clasped with the plastic body (3) that is positioned at described battery container (2) end, and described protection circuit plate (9) is positioned between the inner surface of the outer surface of described plastic body (3) and described end cap (10).
7. flexible-packed battery according to claim 1 is characterized in that, described flexible-packed battery also comprises the labeling (12) that is fitted on the described battery surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201288168U CN201112436Y (en) | 2007-08-20 | 2007-08-20 | Soft package battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201288168U CN201112436Y (en) | 2007-08-20 | 2007-08-20 | Soft package battery |
Publications (1)
Publication Number | Publication Date |
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CN201112436Y true CN201112436Y (en) | 2008-09-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2007201288168U Expired - Fee Related CN201112436Y (en) | 2007-08-20 | 2007-08-20 | Soft package battery |
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CN (1) | CN201112436Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489790A (en) * | 2015-11-20 | 2016-04-13 | 浙江超威创元实业有限公司 | Soft package battery cell module and fabrication method thereof |
CN105958577A (en) * | 2016-05-26 | 2016-09-21 | 刘同鑫 | Charging cell and manufacturing method thereof |
CN106058115A (en) * | 2016-08-16 | 2016-10-26 | 上海中兴派能能源科技有限公司 | Flexible package lithium battery module structure |
-
2007
- 2007-08-20 CN CNU2007201288168U patent/CN201112436Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489790A (en) * | 2015-11-20 | 2016-04-13 | 浙江超威创元实业有限公司 | Soft package battery cell module and fabrication method thereof |
CN105489790B (en) * | 2015-11-20 | 2018-05-29 | 浙江超威创元实业有限公司 | A kind of soft pack cell module and preparation method thereof |
CN105958577A (en) * | 2016-05-26 | 2016-09-21 | 刘同鑫 | Charging cell and manufacturing method thereof |
CN106058115A (en) * | 2016-08-16 | 2016-10-26 | 上海中兴派能能源科技有限公司 | Flexible package lithium battery module structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20150820 |
|
EXPY | Termination of patent right or utility model |