CN208460810U - Battery core, built-in battery and electronic equipment - Google Patents
Battery core, built-in battery and electronic equipment Download PDFInfo
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- CN208460810U CN208460810U CN201821304805.5U CN201821304805U CN208460810U CN 208460810 U CN208460810 U CN 208460810U CN 201821304805 U CN201821304805 U CN 201821304805U CN 208460810 U CN208460810 U CN 208460810U
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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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Abstract
The utility model discloses a kind of battery core, built-in battery and electronic equipments, the battery core includes the first square shaped core and the second square shaped core being packaged in same packaging film, the area of first square shaped core is greater than the area of the second square shaped core, and the first square shaped core and the second square shaped core through-thickness are stacked and three sides are aligned.According to the battery core of the utility model embodiment, easily the first square shaped core and the second square shaped core can be encapsulated in the same packaging film, reduce the folding line quantity of packaging film, reduce packaging difficulty, packaging yield is improved, the damaged hidden danger of packaging film is reduced, improves the functional reliability of battery core.Further, since the first square shaped core and the second square shaped core may be constructed stairstepping, so as to optimize the overall structure shape of battery core, improve the space utilization rate of battery core in the electronic device.In addition, the capacity due to battery core can be improved, so as to improve the cruising ability of electronic equipment.
Description
Technical field
The utility model relates to technical field of electronic equipment, set more particularly, to a kind of battery core, built-in battery and electronics
It is standby.
Background technique
When cause environmental protection and power conservation requirement, seek high efficiency and the environmentally friendly energy is more more and more urgent, finds new type power
Source becomes the inexorable trend of social development and scientific progress.Currently used power battery be mainly lead-acid battery, nickel-metal hydride battery,
Lithium ion battery.Wherein, lithium ion battery is widely popularized at present because of specific power with higher and longer cycle life
Using.However, in the related technology using the reliability of lithium battery in the electronic device is not high, capacitance is insufficient, and be difficult to
Make full use of the space in electronic equipment.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model exists
In proposing a kind of battery core, the difficulty of processing of the battery core is low, functional reliability is high, capacitance is big, space utilization rate is high.
The utility model also proposes a kind of built-in battery with above-mentioned battery core.
The utility model also proposes a kind of electronic equipment with above-mentioned built-in battery.
According to the battery core of the utility model first aspect embodiment, comprising: the multiple naked electricity being packaged in same packaging film
Core, the multiple naked battery core include the first square shaped core and the second square shaped core, and first square shaped core includes two disposed in parallel
First side and the first top margin disposed in parallel and the first bottom edge, second square shaped core include two second side disposed in parallel
Side and the second top margin disposed in parallel and the second bottom edge, wherein the area of first square shaped core is greater than second square shaped core
Area, second square shaped core is identical as the thickness direction of first square shaped core, and second square shaped core is stacked in institute
State in the first square shaped core, two second sides and two first sides are aligned respectively, second bottom edge with it is described
The alignment of first bottom edge, second top margin are located at the side close to first bottom edge of first top margin.
According to the battery core of the utility model embodiment, due to the first square shaped core and the second square shaped core through-thickness it is stacked and
The alignment of three sides reduces packet so as to which easily the first square shaped core and the second square shaped core are encapsulated in the same packaging film
The folding line quantity of film is filled, packaging difficulty is reduced, packaging yield is improved, reduces the damaged hidden danger of packaging film, improve the work of battery core
Reliability.Further, since the first square shaped core and the second square shaped core may be constructed stairstepping, so as to optimize the entirety of battery core
Planform improves the space utilization rate of battery core in the electronic device.In addition, the capacity due to battery core can be improved, so as to
To improve the cruising ability of electronic equipment.
In some embodiments, first square shaped core is that the naked battery core of takeup type, stacked naked battery core, takeup type lamination are naked
One of them in battery core, the naked battery core of stacked winding, second square shaped core be the naked battery core of takeup type, stacked naked battery core,
The naked battery core of takeup type lamination, one of them stacked wound in naked battery core.
In some embodiments, first square shaped core is different with the type of second square shaped core.
In some embodiments, first square shaped core is identical with the type of second square shaped core.
In some embodiments, first square shaped core and second square shaped core are the naked battery core of takeup type and wireline reel
Line is parallel.
In some embodiments, first square shaped core is identical with the coiling direction of second square shaped core.
In some embodiments, first square shaped core and second square shaped core series connection.
In some embodiments, first square shaped core and second square shaped core are in parallel.
In some embodiments, the anode ear and negative electrode lug of the battery core are by first bottom edge and/or described second
The direction that bottom edge is directed away from first top margin extends.
In some embodiments, the anode ear and negative electrode lug of the battery core are directed away from described by first top margin
The direction on one bottom edge extends.
In some embodiments, the anode ear of the battery core and the development length of negative electrode lug are identical.
In some embodiments, the development length of the anode ear with negative electrode lug of the battery core is different.
In some embodiments, the ratio between the area S2 of second square shaped core and the area S1 of first square shaped core are full
Foot: 1/4≤S2/S1≤3/4.
In some embodiments, the thickness of second square shaped core is less than the thickness of first square shaped core.
In some embodiments, the multiple naked battery core is three or more, and each described naked in the multiple naked battery core
Battery core is square shaped core, and the thickness direction of the multiple naked battery core is all the same and three sides are sequentially stacked in alignment respectively as stairstepping
Shape.
In some embodiments, the multiple naked battery core further includes third square core, and the third square core includes parallel
The two third sides and third top margin disposed in parallel that are arranged and third bottom edge, wherein the area of second square shaped core is big
In the area of the third square core, the third square core is identical as the thickness direction of second square shaped core, the third
Square shaped core is stacked in the side far from first square shaped core of second square shaped core, two third sides and two institutes
It states second side to be aligned respectively, the third bottom edge is aligned with second bottom edge, and the third top margin is located at second top
The side close to second bottom edge on side.
According to the built-in battery of the utility model second aspect embodiment, comprising: battery core, the battery core are multiple and equal
For according to the battery core of the utility model first aspect embodiment；Protection board, the protection board are electrically connected with multiple battery cores.
According to the built-in battery of the utility model embodiment, by the way that the battery core of above-mentioned first aspect is arranged, to improve
The overall performance of built-in battery.
According to the electronic equipment of the utility model third aspect embodiment, including casing and built in being located in the casing
Formula battery, the built-in battery are the built-in battery according to the utility model second aspect embodiment.
According to the electronic equipment of the utility model embodiment, by the way that the built-in battery of above-mentioned second aspect is arranged, thus
Improve the overall performance of electronic equipment.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
Fig. 1 is according to the perspective view of the battery core of the utility model one embodiment, packaging film out not shown；
Fig. 2 is the main view of battery core shown in Fig. 1, packaging film out not shown；
Fig. 3 is the right view of battery core shown in Fig. 2, shows packaging film in figure；
Fig. 4 be according to the perspective view of the battery core of the utility model another embodiment, it is not shown go out packaging film；
Fig. 5 is the main view of battery core shown in Fig. 4, packaging film out not shown；
Fig. 6 is the right view of battery core shown in Fig. 5, shows packaging film in figure；
Fig. 7 is the explosive view according to the built-in battery of the utility model one embodiment；
Fig. 8 is the perspective view according to the electronic equipment of the utility model one embodiment.
Appended drawing reference:
Battery core 100；Packaging film 1；Naked battery core 2；Anode ear 31；Negative electrode lug 32；
First square shaped core 21；First side 211；First top margin 212；First bottom edge 213；
Second square shaped core 22；Second side 221；Second top margin 222；Second bottom edge 223；
Third square core 23；Third side 231；Third top margin 232；Third bottom edge 233；
Protection board 200；Battery connector 201；Built-in battery 1000；Casing 2000；Electronic equipment 10000.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.For
The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set
Relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this field is common
Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.
With the continuous improvement of scientific and technological level and the rapid development of telecommunications, intelligent wearable device, smart phone, plate
The electronic equipments such as computer are more more and more universal, and requirement of the consumer for these electronic equipments also gradually extends from functional requirement
To the demand to portability, appearance etc..In order to meet these demands, electronic equipment embody in design to it is short, small,
Gently, the trend that thin direction is developed, wherein by power source-battery design of electronic equipment be it is built-in, be realization or more
One of means of trend.Different from the battery of traditional external replaceable, the design of built-in battery is conducive to will be electric
Sub- equipment internal clearance is further compressed, and space is more made full use of, to reduce electronic equipment while guaranteeing battery capacity
Volume.
Built-in battery generally includes battery core and protection board, wherein battery core is usually by the aluminium of naked battery core and the naked battery core of package
Plastic film composition, naked battery core generally use electrode film, negative electrode plate, diaphragm etc., pass through winding, lamination, winding plus lamination, lamination
The techniques such as winding are added to be process.But applicant creatively has found in practice in real life, electricity in the related technology
The planform of core is single, it is difficult to be perfectly suitable for electronic equipment, and the reliability of battery core in the related technology is not high, continuation of the journey
Scarce capacity, it is difficult to meet the use demand of user.
In the following ,-Fig. 6 referring to Fig.1, description is according to the battery core 100 of the utility model embodiment.
It as shown in Figure 1-Figure 3, include: to be packaged in same packaging film 1 according to the battery core of the utility model embodiment 100
Multiple naked battery cores 2, multiple naked battery cores 2 include the first square shaped core 21 (i.e. the naked battery core of rectangle) and 22 (i.e. rectangle of the second square shaped core
Naked battery core).As depicted in figs. 1 and 2, the first square shaped core 21 includes two first sides 211 disposed in parallel and is arranged in parallel
The first top margin 212 and the first bottom edge 213, that is to say, that the first first side 211 of top margin 212, one, the first bottom edge 213,
Another 211 head and the tail of first side is in turn connected into the first rectangle.As depicted in figs. 1 and 2, the second square shaped core 22 includes setting in parallel
Two second sides 221 and the second top margin 222 disposed in parallel set and the second bottom edge 223, that is to say, that the second top margin 222,
One second side 221, the second bottom edge 223, another 221 head and the tail of second side are in turn connected into the second rectangle.
As depicted in figs. 1 and 2, the area of the first square shaped core 21 is greater than the area of the second square shaped core 22, i.e. the first rectangle
Area is greater than the area of the second rectangle, wherein the second square shaped core 22 is identical as the thickness direction of the first square shaped core 21, and second party
Shape core 22 is stacked in the first square shaped core 21, i.e. one side surface of thickness of the first square shaped core 21 and the thickness one of the second square shaped core 22
Side surface is arranged face-to-face, wherein two first sides 211 and two second sides 221 are aligned respectively, as shown in fig. 1, left
The first side 211 of side and the second side 221 in left side are aligned, and the first side 211 on right side and the second side 221 on right side are right
Together, the first bottom edge 213 is aligned with the second bottom edge 223, and the second top margin 222 is located at close first bottom edge 213 of the first top margin 212
Side (downside of the first top margin 212 as shown in Figure 1).
Here, it should be noted that in the description of the present invention, term " on ", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As a result, according to the battery core of the utility model embodiment 100, since the first square shaped core 21 and the second square shaped core 22 are along thickness
Degree direction is stacked and three sides are aligned, and is encapsulated in the first square shaped core 21 and the second square shaped core 22 so as to easily same
In packaging film, reduce the folding line quantity on packaging film, reduce the packaging difficulty of packaging film, improve the packaging yield of packaging film, drops
The damaged hidden danger of low packaging film improves the functional reliability of battery core 100.Further, since the first square shaped core 21 and the second square shaped core
22 may be constructed stairstepping, so as to optimize the overall structure shape of battery core 100, improve battery core 100 in electronic equipment
Stacking space in 10000 reduces battery core 100 to 10000 moulding of electronic equipment and the limitation in space, can dramatically utilize
Space in electronic equipment 10000 increases by 100 capacity of battery core, improves cruising ability.
Specifically, unlimited according to the material of the packaging film 1 of the utility model embodiment, for example, can for aluminum plastic film or
Stainless steel membrane etc..In addition, it is unlimited according to the type of the naked battery core 2 of each of the utility model embodiment, such as can be takeup type
Naked battery core, stacked naked battery core, the naked battery core of takeup type lamination, one of them stacked wound in naked battery core, that is to say, that the
One square shaped core 21 can be in the naked battery core of takeup type, stacked naked battery core, the naked battery core of takeup type lamination, the stacked naked battery core of winding
One of them, it is the second square shaped core 22 or the naked battery core of takeup type, stacked naked battery core, the naked battery core of takeup type lamination, folded
Chip winds one of them in naked battery core.Thus, it is possible to meet different actual requirements.
In some specific embodiments of the utility model, the type of the first square shaped core 21 and the second square shaped core 22 can not
Together, for example, the second square shaped core 22 can be stacked naked battery core, takeup type when the first square shaped core 21 is the naked battery core of takeup type
The naked battery core of lamination, one of them stacked wound in naked battery core.In another example when the first square shaped core 21 is stacked naked battery core
When, the second square shaped core 22 can be the naked battery core of takeup type, the naked battery core of takeup type lamination, wherein one in the naked battery core of stacked winding
It is a, etc..Thus, it is possible to preferably meet different requirements according to different requirement and actual conditions.
In the other specific embodiment of the utility model, the type of the first square shaped core 21 and the second square shaped core 22 is also
Can be identical, for example, the first square shaped core 21 and the second square shaped core 22 can be the naked battery core of takeup type or be stacked naked
Battery core or it is the naked battery core of takeup type lamination or is the naked battery core of stacked winding.Facilitate processing as a result, and produces and throw
Enter at low cost.
Specifically, when the first square shaped core 21 and the second square shaped core 22 are the naked battery core of takeup type, the first square shaped core 21
Can be parallel with the winding axis of the second square shaped core 22, facilitate the tab of the first square shaped core 21 and the second square shaped core 22 to connect as a result,
It connects.Further, when the first square shaped core 21 is parallel with the winding axis of the second square shaped core 22, the first square shaped core 21 and second party
The coiling direction of shape core 22 can also be identical, facilitates processing and manufacture as a result,.It is understood that " the naked battery core of takeup type ",
" stacked naked battery core ", " the naked battery core of takeup type lamination ", " stacked winding naked battery core " structure respectively and processing method are
As it is known to those skilled in the art that I will not elaborate.
Specifically, the electric connection mode of the first square shaped core 21 and the second square shaped core 22 is unlimited, such as the first square shaped core 21
It can connect with the second square shaped core 22, in another example, the first square shaped core 21 and the second square shaped core 22 can be with parallel connections.Thus, it is possible to
Preferably meet different actual requirements.
As shown in Figures 2 and 3, the anode ear 31 and negative electrode lug 32 of battery core 100 can be by the first bottom edge 213 and/or
The direction that two bottom edges 223 are directed away from the first top margin 212 extends, i.e. the anode ear 31 and negative electrode lug 32 of battery core 100 can be by
First bottom edge 213 or by the second bottom edge 223 or by the junction on the first bottom edge 213 and the second bottom edge 223, direction
Direction far from the first top margin 212 extends.As a result, since the first bottom edge 213 and the second bottom edge 223 are aligned, to facilitate anode
The extraction of ear 31 and negative electrode lug 32, the processing is simple, high reliablity.
Certainly, the utility model is without being limited thereto, in the other embodiments of the utility model, the anode ear 31 of battery core 100
The direction that the first bottom edge 213 can also be directed away from by the first top margin 212 with negative electrode lug 32 extends (example out not shown),
Thus, it is possible to meet different actual requirements.It is understood that each naked battery core 2 has positive and negative two output electrodes, output electricity
Extremely the anode ear of battery core 100 can be electrically connected to according to series-parallel requirement and the positional relationship of naked battery core 2 by electric conductor
31 and negative electrode lug 32, this technical purpose implementation method be well known to those skilled in the art, do not repeat here.
In some embodiments of the utility model, as shown in Figures 2 and 3, the anode ear 31 and negative electrode lug 32 of battery core 100
Development length it is identical, that is to say, that the length dimension and negative electrode lug 32 that anode ear 31 is emerging in outside packaging film 1 are emerging in packaging
Length dimension outside film 1 is identical, facilitates processing as a result, and facilitates anode ear 31 and the subsequent (knot with protection board 200 of negative electrode lug 32
Close Fig. 7) welding.
Certainly, the utility model is without being limited thereto, in the other embodiments of the utility model, the anode ear 31 of battery core 100
Development length with negative electrode lug 32 can be with difference, that is to say, that the length dimension and bear that anode ear 31 is emerging in outside packaging film 1
It is different (example out not shown) that tab 32 is emerging in the length dimension outside packaging film 1.Anode is differentiated as a result, convenient for technical staff
Ear 31 and negative electrode lug 32, so as to improve anode ear 31 and the subsequent welding with protection board 200 (in conjunction with Fig. 7) of negative electrode lug 32
Accuracy.
In some embodiments of the utility model, as shown in Fig. 2, the area S2 and the first square shaped core of the second square shaped core 22
The ratio between 21 area S1 meets: 1/4≤S2/S1≤3/4.It, can be fully as a result, under the premise of promoting 100 electricity of battery core
Utilize space.In some embodiments of the utility model, as shown in figure 3, the thickness of the second square shaped core 22 can be less than first
The thickness of square shaped core 21 promotes the space utilization rate of battery core 100 thus, it is possible to preferably optimize the planform of battery core 100.
In some embodiments of the utility model, as shown in Figure 4-Figure 6, multiple naked battery cores 2 can also include third party
Shape core 23, third square core 23 include two third sides 231 disposed in parallel and third top margin 232 disposed in parallel and third
Bottom edge 233, wherein the area of the second square shaped core 22 is greater than the area of third square core 23, third square core 23 and second rectangular
The thickness direction of core 22 is identical, and third square core 23 is stacked in the side far from the first square shaped core 21 of the second square shaped core 22,
That is third square core 23 and the first square shaped core 21 the thickness two sides that are respectively provided at the second square shaped core 22, two 231 Hes of third side
Two second sides 221 are aligned respectively, and third bottom edge 233 is aligned with the second bottom edge 223, and third top margin 232 is located at the second top margin
222 side close to the second bottom edge 223.Battery core 100 can be at least three-level stairstepping as a result,.
As a result, due to the first square shaped core 21, the second square shaped core 22, the equal through-thickness of third square core 23 be stacked and three sides
It is aligned, is encapsulated in the first square shaped core 21, the second square shaped core 22, third square core 23 so as to easily same respectively
In packaging film, reduce the folding line quantity on packaging film, reduce the packaging difficulty of packaging film, improve the packaging yield of packaging film, drops
The damaged hidden danger of low packaging film, improves the functional reliability of battery core 100, and can preferably optimize the stacking feelings of battery core 100
Condition.
In addition, it should be noted that, can also include except first is rectangular according to the battery core 100 of the utility model embodiment
More naked battery cores 2 other than core 21, the second square shaped core 22, third square core 23, it is preferable that each naked electricity in multiple naked battery cores 2
Core 2 is square shaped core, and the thickness direction of multiple naked battery cores 2 is identical and three sides are sequentially stacked in alignment respectively as stairstepping, from
And convenient for multiple naked battery cores 2 are encapsulated in the same packaging film, reduce the folding line quantity on packaging film, reduces the packet of packaging film
Difficulty is filled, the packaging yield of packaging film is improved, reduces the damaged hidden danger of packaging film, improves the functional reliability of battery core 100, and
The stacking situation of battery core 100 can preferably be optimized.
In addition, it should be noted that, term " first " as described herein, " second ", " third " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
" first ", " second ", " third " feature can explicitly or implicitly include one or more of the features.It is practical at this
In novel description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the following, describing the built-in battery 1000 according to the utility model embodiment referring to Fig. 7.
Specifically, may include: battery core 100 and protection according to the built-in battery 1000 of the utility model embodiment
Plate 200, battery core 100 are multiple and are the protection board 200 and more according to the battery core 100 of any of the above-described embodiment of the utility model
A battery core 100 is electrically connected.More particularly, protection board 200 and anode ear 31 and the difference of negative electrode lug 32 in each battery core 100
Welding is to constitute electrical connection, wherein battery connector 201, battery connector 201 and electronic equipment are provided on protection board 200
Circuit board cooperation in 10000 positions and establishes electric connection, so that built-in battery 1000 provides electricity to electronic equipment 10000
Amount.
As a result, according to the built-in battery of the utility model embodiment 1000, due to can with multiple battery cores 100, so as to
To improve the standby time of electronic equipment 10000, moreover, because each battery core 100 includes multiple naked battery cores 2, so as to
Further increase the cruising ability of electronic equipment 10000.In addition, due to the planform of each battery core 100 can obtain it is excellent
Change, so that the also available optimization of the planform of built-in battery 1000, so as to improve built-in battery 1000
Stacking space in electronic equipment 10000 reduces built-in battery 1000 to the limit of 10000 moulding of electronic equipment and space
System can dramatically utilize the space in electronic equipment 10000.
In addition, it is necessary to explanation, according to battery core 100 included by the built-in battery 1000 of the utility model embodiment
Quantity it is unlimited, can for two, three, four or more than, in addition, according to the built-in battery of the utility model embodiment
The arrangement mode of battery core 100 included by 1000 is unlimited, can be along width and/or length direction array arrangement, through-thickness
Be stacked etc., with no restriction.
In the following, describing the electronic equipment 10000 according to the utility model embodiment referring to Fig. 8.
Specifically, according to the electronic equipment 10000 of the utility model embodiment, comprising: casing 2000 and be located at casing
Built-in battery 1000 in 2000, wherein built-in battery 1000 is the built-in battery 1000 of above-described embodiment.It is specific and
Speech, the type according to the electronic equipment 10000 of the utility model embodiment is unlimited, such as can for cellular phone, smart phone,
Other wireless telecom equipments, personal digital assistant, audio player, music recorder, video recorder, camera, other media note
Record device, radio, Medical Devices, vehicle transport instrument, calculator, programmable remote control, pager, laptop computer, platform
Formula computer, printer, netbook computer, personal digital assistant (PDA), portable media player (PMP), moving image
Other are compact for expert group (MPEG-1 or MPEG-2) audio layer (MP3) player, watch equipment, pendant equipment, receiver device etc.
Type portable device.In addition, after being determined according to the concrete type of the electronic equipment 10000 of the utility model embodiment, electronics
Other in equipment 10000 in addition to casing 2000 and built-in battery 1000 are constituted and are operated for ordinary skill
All be for personnel it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (18)
1. a kind of battery core characterized by comprising the multiple naked battery cores being packaged in same packaging film, the multiple naked battery core
Including the first square shaped core and the second square shaped core, first square shaped core includes two first sides disposed in parallel and is arranged in parallel
The first top margin and the first bottom edge, second square shaped core include two second sides disposed in parallel and disposed in parallel second
Top margin and the second bottom edge, wherein the area of first square shaped core is greater than the area of second square shaped core, and described second is rectangular
Core is identical as the thickness direction of first square shaped core, and second square shaped core is stacked in first square shaped core, and two
The second side and two first sides are aligned respectively, and second bottom edge is aligned with first bottom edge, and described
Two top margins are located at the side close to first bottom edge of first top margin.
2. battery core according to claim 1, which is characterized in that first square shaped core is the naked battery core of takeup type, stacked
Naked battery core, the naked battery core of takeup type lamination, one of them stacked wound in naked battery core, second square shaped core are that takeup type is naked
Battery core, stacked naked battery core, the naked battery core of takeup type lamination, one of them stacked wound in naked battery core.
3. battery core according to claim 1, which is characterized in that the type of first square shaped core and second square shaped core
It is different.
4. battery core according to claim 1, which is characterized in that the type of first square shaped core and second square shaped core
It is identical.
5. battery core according to claim 4, which is characterized in that first square shaped core and second square shaped core are volume
Wound naked battery core and winding axis it is parallel.
6. battery core according to claim 5, which is characterized in that the winding of first square shaped core and second square shaped core
Direction is identical.
7. battery core according to claim 1, which is characterized in that first square shaped core and second square shaped core series connection.
8. battery core according to claim 1, which is characterized in that first square shaped core and second square shaped core are in parallel.
9. battery core according to claim 1, which is characterized in that the anode ear and negative electrode lug of the battery core are by described first
The direction that bottom edge and/or second bottom edge are directed away from first top margin extends.
10. battery core according to claim 1, which is characterized in that the anode ear and negative electrode lug of the battery core are by described
The direction that one top margin is directed away from first bottom edge extends.
11. battery core according to claim 1, which is characterized in that the anode ear of the battery core and the development length of negative electrode lug
It is identical.
12. battery core according to claim 1, which is characterized in that the anode ear of the battery core and the development length of negative electrode lug
It is different.
13. battery core according to claim 1, which is characterized in that the area S2 of second square shaped core and the first party
The ratio between area S1 of shape core meets: 1/4≤S2/S1≤3/4.
14. battery core according to claim 1, which is characterized in that the thickness of second square shaped core is less than the first party
The thickness of shape core.
15. battery core described in any one of -14 according to claim 1, which is characterized in that the multiple naked battery core be three with
On, and each naked battery core is square shaped core in the multiple naked battery core, the thickness direction of the multiple naked battery core is all the same
And three side be sequentially stacked in alignment respectively as stairstepping.
16. battery core according to claim 15, which is characterized in that the multiple naked battery core further includes third square core, institute
Stating third square core includes two third sides disposed in parallel and third top margin disposed in parallel and third bottom edge, wherein institute
The area for stating the second square shaped core is greater than the area of the third square core, the thickness of the third square core and second square shaped core
Spend direction it is identical, the third square core be stacked in second square shaped core far from first square shaped core side, two
The third side and two second sides are aligned respectively, and the third bottom edge is aligned with second bottom edge, and described
Three top margins are located at the side close to second bottom edge of second top margin.
17. a kind of built-in battery characterized by comprising
Battery core, the battery core are multiple and are battery core described in any one of -16 according to claim 1；
Protection board, the protection board are electrically connected with multiple battery cores.
18. a kind of electronic equipment characterized by comprising casing and the built-in battery being located in the casing, it is described built-in
Formula battery is the built-in battery according to claim 16.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821304805.5U CN208460810U (en) | 2018-08-13 | 2018-08-13 | Battery core, built-in battery and electronic equipment |
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| CN201821304805.5U CN208460810U (en) | 2018-08-13 | 2018-08-13 | Battery core, built-in battery and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403792A (en) * | 2020-03-26 | 2020-07-10 | 维沃移动通信有限公司 | Battery, manufacturing method of battery and electronic equipment |
| CN111403793A (en) * | 2020-03-26 | 2020-07-10 | 维沃移动通信有限公司 | Battery, manufacturing method of battery and electronic equipment |
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2018
- 2018-08-13 CN CN201821304805.5U patent/CN208460810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403792A (en) * | 2020-03-26 | 2020-07-10 | 维沃移动通信有限公司 | Battery, manufacturing method of battery and electronic equipment |
| CN111403793A (en) * | 2020-03-26 | 2020-07-10 | 维沃移动通信有限公司 | Battery, manufacturing method of battery and electronic equipment |
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