CN209730042U - A kind of rechargeable battery with bending electrically-conductive backing plate - Google Patents
A kind of rechargeable battery with bending electrically-conductive backing plate Download PDFInfo
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- CN209730042U CN209730042U CN201920334214.0U CN201920334214U CN209730042U CN 209730042 U CN209730042 U CN 209730042U CN 201920334214 U CN201920334214 U CN 201920334214U CN 209730042 U CN209730042 U CN 209730042U
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- bending
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- backing plate
- conductive backing
- circuit board
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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 provides a kind of rechargeable battery with bending electrically-conductive backing plate comprising shell, circuit board assemblies, battery core and electrically-conductive backing plate.Shell has accommodating chamber, and accommodating chamber has opening；Circuit board assemblies are arranged in accommodating chamber, and against the inner surface of shell with conduction；The lower section in accommodating chamber and being located at circuit board assemblies is arranged in battery core and electrically-conductive backing plate；Battery core passes through electrically-conductive backing plate and circuit board electrical connection, electrically-conductive backing plate can bend and have multiple bending promotion divisions, multiple bending promotion divisions are arranged along the length direction interval of electrically-conductive backing plate, in order to bend electrically-conductive backing plate from the surface of bending promotion division, so that electrically-conductive backing plate is fitted in the outside of battery core in bending state.Rechargeable battery according to the present utility model, by the way that multiple bending promotion divisions are substantially arranged in conduction, the effect of mark is not only acted as, while bending electrically-conductive backing plate at bending promotion division convenient for operator, it can be improved assembly efficiency, so that the structure of rechargeable battery is more compact.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of rechargeable batteries with bending electrically-conductive backing plate.
Background technique
In recent years, rechargeable battery has been widely used in various portable electric equipments and electronic equipment, such as plays
Tool, handheld device lamp, this proposes increasingly higher demands to rechargeable battery energy storage energy.Especially lithium ion chargeable battery
Due to have many advantages, such as energy it is high, can be with high power discharge, environmental protection, thus gradually applying in the above field.
Existing rechargeable battery includes shell and is arranged in the intracorporal battery core of shell, electrically-conductive backing plate and circuit board assemblies
Deng.When battery core to be welded on electrically-conductive backing plate, electrically-conductive backing plate is in fully unfolded position, is welded on electrically-conductive backing plate by battery core
Later, it needs that electrically-conductive backing plate is first folded over outside that is rear and being fitted in battery core, then again installs the two in the housing.But
If electrically-conductive backing plate is not bent, not enough it is bonded between battery core, so that the two is more inconvenient when installing, and makes in shell
The structure in portion is not compact enough.
Accordingly, it is desirable to provide a kind of rechargeable battery with bending electrically-conductive backing plate, at least to be partially solved above-mentioned ask
Topic.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more
Protect range.
At least to be partially solved the above problem, the utility model discloses a kind of with the chargeable of bending electrically-conductive backing plate
Battery comprising:
Shell, the shell have accommodating chamber, and the accommodating chamber has opening；
Circuit board assemblies, the circuit board assemblies are arranged in the accommodating chamber, and against the inner surface of the shell
With conduction, the circuit board assemblies include circuit board and the electronic component that is arranged on the circuit board；
The lower section in the accommodating chamber and being located at the circuit board assemblies is arranged in battery core, the battery core；And
The lower section in the accommodating chamber and being located at the circuit board assemblies, institute is arranged in electrically-conductive backing plate, the electrically-conductive backing plate
Battery core is stated to be electrically connected by the electrically-conductive backing plate with the circuit board assemblies,
Wherein, the electrically-conductive backing plate is configured to flaky texture can bend, the electrically-conductive backing plate include main part and
At least two bending promotion divisions, the bending promotion division be configured to be recessed inwardly from the two sides of the width direction of the main part or
Person outwardly protrudes, in order to bend the electrically-conductive backing plate from the bending promotion division, so that the electrically-conductive backing plate is in bending
State it is fitted in the outside of the battery core.
Rechargeable battery according to the present utility model, it is curved by bending promotion division in conductive substantially setting at least two
On the one hand folding promotion division plays the role of mark, conductive base is on the other hand bent at the position of bending promotion division convenient for operator
Plate can be improved assembly efficiency, and make the structure of rechargeable battery more compact.
Optionally, the electrically-conductive backing plate includes promoting along the first bending that the length direction of the main part is set gradually
Portion, the second bending promotion division and third bend promotion division,
The first bending promotion division is arranged in one end of the length direction close to the main part, and is configured to from institute
The notch that the two sides of the width direction of main part are recessed inwardly is stated,
The second bending promotion division is configured to from the outwardly extending protrusion in the two sides of the width direction of the main part,
The third bending promotion division is configured to from the outwardly extending protrusion of the other end of the length direction of the main part.
Optionally, the electrically-conductive backing plate include positioned at the main part width direction two sides and set gradually first
Bending promotes surface, the second bending to promote surface, third bending that surface and the 4th bending is promoted to promote surface,
First bending promotes the surface for the formation first bending promotion division that surface is the main part,
Second bending promotes surface and third bending that surface is promoted to be located at the main part and described first curved
The junction of promotion division is rolled over,
The 4th bending promotion surface is located at the junction of the main part and the second bending promotion division.
Optionally, first bending promotes surface, second bending that surface, third bending is promoted to promote surface
Promoting surface structure with the 4th bending is arcwall face,
And the second bending surface and third bending surface are by being arranged in the first bending promotion division and described
The chamfering of the junction of main part is formed, and the 4th bending promotion division is by being arranged in the second bending promotion division and the master
The chamfering of the junction in body portion is formed.
Optionally, the side table that second bending promotes the first bending promotion division and the main part on surface is connected
Face is vertical.
Optionally, the electrically-conductive backing plate includes the insulating layer of conductive layer with the two sides up and down for overlaying the conductive layer, institute
Extend beyond the insulating layer with stating Conductive layer portions, the shape of the insulating layer and the conductive layer is corresponding.
Optionally, the conductive layer includes the first conductive layer and the second conductive layer for being spaced apart with first conductive layer,
First conductive layer and second conductive layer are arranged side by side between the insulating layer.
Optionally, circuit board tool is there are two weld part, and first conductive layer has a first connecting portion, and described second
Conductive layer has second connecting portion, and the first connecting portion and the second connecting portion extend beyond the insulating layer, and are used for
It is connect respectively with described two weld parts.
Optionally, first conductive layer has the third interconnecting piece that is spaced apart with the first connecting portion, and described second
Conductive layer has the 4th interconnecting piece that is spaced apart with the second connecting portion, one of them described insulating layer have the first opening with
The second opening opened with first open space a, so that part in the third interconnecting piece and the 4th interconnecting piece
Ground exposes from first opening, and another in the third interconnecting piece and the 4th interconnecting piece is partly from described the
Two openings are exposed.
Optionally, the battery core has positive lead and negative lead, and the positive lead and the cathode connect
One in wiring is used to be electrically connected with the third interconnecting piece, another in the positive lead and the negative lead
It is a to be used to be electrically connected with the 4th interconnecting piece.
Detailed description of the invention
The following drawings of the utility model embodiment is originally practical for understanding in this as a part of the utility model
It is novel.Shown in the drawings of the embodiments of the present invention and its description, for explaining the principles of the present invention.In attached drawing
In,
Fig. 1 is the perspective exploded view according to the rechargeable battery of a preferred embodiment of the utility model；
Fig. 2 is the schematic cross-sectional view of the rechargeable battery in Fig. 1；
Fig. 3 is another schematic cross-sectional view of the rechargeable battery in Fig. 1；
Fig. 4 is the partial structural diagram of the rechargeable battery in Fig. 1, wherein illustrating only circuit board assemblies and conductive base
Plate, and electrically-conductive backing plate is in fully unfolded position；And
Fig. 5 is the floor map of circuit board assemblies in Fig. 1；
Fig. 6 is the floor map of the electrically-conductive backing plate in Fig. 1, and wherein electrically-conductive backing plate is in fully unfolded position；
Fig. 7 is the perspective exploded view of the electrically-conductive backing plate in Fig. 6；
Fig. 8 is the perspective exploded view of the electrically-conductive backing plate in Fig. 1；
Fig. 9 is the partial enlargement diagram in Fig. 8 at A；
Figure 10 is the partial enlargement diagram in Fig. 8 at B；
Figure 11 is the partial structural diagram of the rechargeable battery in Fig. 1, wherein battery core and electrically-conductive backing plate are illustrated only, and
Electrically-conductive backing plate is in fully unfolded position；
Figure 12 is the stereoscopic schematic diagram of the electrically-conductive backing plate in Fig. 1, and wherein electrically-conductive backing plate is in bending state；And
Figure 13 is the stereoscopic schematic diagram of the rechargeable battery in Fig. 1, wherein shell is not shown；
Figure 14 is according to the perspective exploded view of the rechargeable battery of another embodiment of the utility model, wherein not
Shell is shown；And
Figure 15 is according to the perspective exploded view of the rechargeable battery of another embodiment of the utility model, wherein not
Shell is shown.
Description of symbols:
100: rechargeable battery 110: shell
111: accommodating chamber 112: opening
113: binding portion 114: positive electrode cap
120: circuit board assemblies 121: circuit board
122: electronic component 124: thermally conductive layer
125: weld part 130: electrode cap
140: battery core 141: positive lead
142: negative lead 150: electrically-conductive backing plate
151: conductive layer 152: insulating layer
153: the first conductive layer 153a: first connecting portion
153b: 154: the second conductive layer of third interconnecting piece
154a: the 154b: the four interconnecting piece of second connecting portion
155: main part 156: the first is open
157: the second openings 158: bending promotion division
158a: the first bending promotion division 158b: the second bends promotion division
158c: third bends the bending of promotion division 159a: the first and promotes surface
159b: the second bending promotes surface 159c: third bending promotes surface
159d: the four bending promotes surface 160: dead ring
170: adhesive tape
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more
These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for
Some technical characteristics well known in the art are not described.
The utility model provides a kind of rechargeable battery 100 with bending electrically-conductive backing plate, mainly includes shell
110, circuit board assemblies 120, electrode cap 130, battery core 140, electrically-conductive backing plate 150 and dead ring 160.
Rechargeable battery 100 according to the present utility model is described in detail below in conjunction with Fig. 1 to Figure 15.
As shown in Figure 1 to Figure 3, shell 110 is made of metal material and has accommodating chamber 111.Specifically, shell 110 can
To be made of Steel material.Present embodiment schematically illustrates, and 110 general arrangement of shell is the thin-wall construction of circular cylindrical shape.
Accommodating chamber 111 is located at the inside of shell 110.Accommodating chamber 111 has opening 112.Opening 112 can be located at one end of shell 110
(for example, upper end in Fig. 1 and Fig. 2), shell 110 include the positive electrode cap 114 positioned at the other end.Those skilled in the art can manage
Solution, the structure of shell 110 is not limited to present embodiment, as needed, shell 110 it is so structured that cuboid, square or
The structure of other any suitable shapes.
Circuit board assemblies 120 are arranged in accommodating chamber 111, and against the inner surface of shell 110 with conduction.Specifically,
The side of the close opening 112 in accommodating chamber 111 can be set in circuit board assemblies 120.In the shown embodiment, shell
110 extend along the vertical direction, and circuit board assemblies 120 are arranged horizontally in accommodating chamber 111.Circuit board assemblies 120 can be with
Charge protection, charging instruction for rechargeable battery 100, can be also used for discharge prevention, short-circuit protection, Cross prevention and
Control output voltage etc..
As shown in Figure 4 and Figure 5, circuit board assemblies 120 include circuit board 121 and the electronics being arranged on circuit board 121 member
Part 122.It will be understood by those skilled in the art that on circuit board 121 according to its function need can be set multiple same kinds or
The different types of electronic component of person.Electronic component 122, which can be set, also can be set in the upside of circuit board 121 in circuit board
121 downside.There are two weld parts 125 for the tool of circuit board 121.Two weld parts 125 can be located at the side of circuit board 121.Weldering
Socket part 125 can be made of copper product.Thermally conductive layer 124 has can be set in the neighboring of circuit board 121, to be used for and shell
The inner surface of body 110 contacts and conductive and thermally conductive.Thermally conductive layer 124 can be made of copper product.Specifically, thermally conductive layer
124 can be copper plate.
Referring back to Fig. 1 to Fig. 3, battery core 140 and electrically-conductive backing plate 150 are arranged in accommodating chamber 111 and are located at circuit board group
The lower section of part 120, battery core 140 are electrically connected by electrically-conductive backing plate 150 with circuit board assemblies 120.Specifically, battery core 140 has negative
Pole connecting line 141 and positive lead 142.Negative lead 141 and positive lead 142 can be located at the both ends of battery core 140.
Negative lead 141 and positive lead 142 can be for by the aluminum steels of the main part from battery core 140 internally extended.It leads
Electric substrate 150 is configured to flaky texture can bend, so as to be fitted in the outside of battery core 140.Positive lead
142 and negative lead 141 can be respectively electrically connected to electrically-conductive backing plate 150, such as be connected to the both ends of electrically-conductive backing plate 150.It leads
Electric substrate 150 can be electrically connected to circuit board 121, so that battery core 140 is electrically connected to circuit board 121.By the way that conductive base is arranged
Plate 150 can be improved the weld strength between the negative lead 141, positive lead 142 and circuit board 121 of battery core 140,
So that the connection between battery core 140 and circuit board 121 is more firm.
In the present invention, for the ease of bending electrically-conductive backing plate 150, the assembly efficiency of rechargeable battery 100 is improved, is led
Electric substrate 150 includes main part 155 and at least two bending promotion divisions.155 general arrangement of main part is rectangular sheet knot
Structure.Bending promotion division is configured to be recessed inwardly or outwardly protrude from the two sides of the width direction of main part 155, in order to from curved
It rolls over and bends electrically-conductive backing plate 150 at promotion division, so that electrically-conductive backing plate 150 is fitted in the outside of battery core 140 in bending state.
As shown in Figure 4 and Figure 6, electrically-conductive backing plate 150 includes the first bending set gradually along the length direction of main part 155
Promotion division 158a, the second bending promotion division 158b and third bend promotion division 158c.Promoted as a result, by three bendings of setting
Portion, can be conductive convenient for bending from the position of bending promotion division or at bending promotion division and the link position of main part 155
Substrate 150.
First bending promotion division 158a is positioned close to one end of the length direction of main part 155, and is configured to from main body
The notch that the two sides of the width direction in portion 155 are recessed inwardly.Specifically, electrically-conductive backing plate 150 includes two first bending promotion divisions
158a, and two first bending promotion division 158a can be oppositely disposed at the two sides of the width direction of main part 155.First
Bending promotion division 158a can be with general arrangement semicircular indentations.It will be understood by those skilled in the art that the first bending promotion division
The shape of 158a is not limited to present embodiment, and as needed, the first bending promotion division 158a can be structured as the arc of other shapes
V notch v or V-notch.
Second bending promotion division 158b is configured to from the outwardly extending protrusion in the two sides of the width direction of main part 155.Tool
Body, electrically-conductive backing plate 150 includes two second bending promotion division 158b, and two second bending promotion division 158b can be opposite
The two sides of the width direction of main part 155 are set.First bending promotion division 158a can be with general arrangement semicircle laminated structure.
It will be understood by those skilled in the art that the shape of the second bending promotion division 158b is not limited to present embodiment, as needed, second
Bending promotion division 158b can be structured as the arc-shaped flaky structure of other shapes.
Third bending promotion division 158c is configured to from the outwardly extending protrusion of the other end of the length direction of main part 155.
Specifically, electrically-conductive backing plate 150 includes that a third bends promotion division 158c.Third bends promotion division 158c
Circular sheet-like structures.It will be understood by those skilled in the art that the shape of third bending promotion division 158c is not limited to present embodiment,
As needed, third bending promotion division 158c can be structured as rectangle, square, polygon or any other suitable shape
Laminated structure.
As shown in Fig. 4, Fig. 6 and Figure 12, electrically-conductive backing plate 150 can also include two of the width direction positioned at main part 155
Side and the first bending set gradually promote surface 159a, the second bending that surface 159b, third is promoted to bend and promote surface 159c
Promote surface 159d with the 4th bending.Promote surface by four bendings of setting as a result, can be convenient for from this four bending surfaces
Place's bending electrically-conductive backing plate 150.
155 formation first bends the surface of promotion division 158a based on first bending promotion surface 159a.Second is curved
The connection that folding promotes surface 159b and third bending that surface 159c is promoted to be located at main part 155 and the first bending promotion division 158a
Place, and the second bending promotes surface 159b to promote surface 159c to promote surface closer to the first bending relative to third bending
159a.4th bending promotion surface 159d is located at the junction of main part 155 and the second bending promotion division 158b.First bending promotees
Promote surface 159b, third bending that the bending of surface 159c and the 4th is promoted to promote surface 159d equal into surface 159a, the second bending
It can be structured as arcwall face, and the second bending surface and third bending surface are by being arranged in the first bending promotion division 158a and main body
The chamfering of the junction in portion 155 formed, and the 4th bending promotion division is by being arranged in the second bending promotion division 158b and main part 155
The chamfering of junction is formed.
Preferably, the second bending of connection promotes the side table of the first bending promotion division 158a and main part 155 of surface 159b
Face is vertical.It should be noted that " the first bending promotion division 158a and main body of connection the second bending promotion surface 159b herein
The side surface in portion 155 " refers to when electrically-conductive backing plate 150 is horizontally disposed (such as placement posture in Fig. 6), is located at main body
The surface of the left and right sides in portion 155.
As shown in Figure 5 and Figure 6, electrically-conductive backing plate 150 includes conductive layer 151 and the two sides up and down for overlaying conductive layer 151
Insulating layer 152.Conductive layer 151 partly extends beyond insulating layer 152, and the shape of insulating layer 152 and conductive layer 151 is corresponding.
As shown in Figure 10, the outer dimension of conductive layer 151 is less than the outer dimension of insulating layer 152, so that the periphery of two insulating layers 152
Edge can be linked together by glue or hot melting process, and conductive layer 151 is fixed between two insulating layers 152, into
And it is formed as one formula integrated member.The laminated structure that insulating layer 152 can be made of insulating material.
Conductive layer 151 includes the first conductive layer 153 and the second conductive layer 154 being spaced apart with the first conductive layer 153.First
Conductive layer 153 and the second conductive layer 154 are configured to the laminated structure made of copper product.In the present embodiment, first is conductive
Layer 153 and the second conductive layer 154 are abreast arranged to overlay between two insulating layers 152.152 one side of insulating layer plays absolutely
On the other hand the effect of edge plays the role of fixing the first conductive layer 153 and the second conductive layer 154.
First conductive layer 153 has first connecting portion 153a, and the second conductive layer 154 has second connecting portion 154a.First
Interconnecting piece 153a and second connecting portion 154a extends beyond insulating layer 152, and for connecting respectively with two weld parts 125.Tool
Body, shows in Fig. 5, Fig. 6 and Fig. 9, the length direction of first connecting portion 153a and second connecting portion 154a along insulating layer 152
Insulating layer 152 is extended beyond from one end of insulating layer 152.First connecting portion 153a and second connecting portion 154a can respectively with weldering
The technique connection that socket part 125 passes through welding.
First conductive layer 153 also has the third interconnecting piece 153b being spaced apart with first connecting portion 153a, the second conductive layer
154 also have the 4th interconnecting piece 154b being spaced apart with second connecting portion 154a.First connecting portion 153a and third interconnecting piece
153b is located at the both ends of the first conductive layer 153.Second connecting portion 154a and the 4th interconnecting piece 154b is located at second and leads
The both ends of electric layer 154.
One in two insulating layers 152 the second opening that there is the first opening 156 and be spaced apart with the first opening 156
157, so that one in third interconnecting piece 153b and the 4th interconnecting piece 154b is partly exposed from the first opening 156, and third
Another in interconnecting piece 153b and the 4th interconnecting piece 154b partly exposes from the second opening 157.
In the present embodiment, third interconnecting piece 153b partly exposes from the first opening 156, the 4th portion interconnecting piece 154b
Ground is divided to expose from the second opening 157.First opening 156 and the second opening 157 are it is so structured that rectangular through-hole.This field skill
Art personnel are appreciated that the shape of the first opening 156 and the second opening 157 and setting surface are not limited to present embodiment, according to
It needs, the first opening 156 and the second opening 157 are it is so structured that square, round, ellipse or any other suitable shape
Through-hole.
As shown in figure 11, one in the negative lead 141 and positive lead 142 of battery core 140 is used to connect with third
Socket part 153b is electrically connected, another in negative lead 141 and positive lead 142 with the 4th interconnecting piece 154b for being electrically connected
It connects, so that battery core 140 is electrically connected to electrically-conductive backing plate 150.As shown in fig. 7, in the present embodiment, the cathode of battery core 140 connects
Line 141 can be connected to the 4th interconnecting piece 154b by the technique of welding, and the positive lead 142 of battery core 140 can pass through weldering
The technique connect is connected to third interconnecting piece 153b.Since first connecting portion 153a and second connecting portion 154a are respectively connected to circuit
Two weld parts 125 of plate 121.Battery core 140 is connected to circuit board assemblies 120 by electrically-conductive backing plate 150 as a result,.
The electrically-conductive backing plate 150 of the utility model has flexible and bent, makes it possible to in the welding process
The bending state of fully unfolded position and installation within the case 110, can be convenient for welding and assemble, can be improved production effect
Rate.
As shown in Fig. 4, Fig. 6 and Figure 11, by battery core 140 and electrically-conductive backing plate 150 and circuit board assemblies 120 and conductive base
When plate 150 is welded, electrically-conductive backing plate 150 is in fully unfolded position.By battery core 140, electrically-conductive backing plate 150 and circuit board group
After 120 three of part connection (for example, welding) is arrived together, as shown in Figure 12 and Figure 13, electrically-conductive backing plate 150 can be bent from first
Surface 159a, the second bending is promoted to promote surface 159b, third bending that the bending of surface 159c and the 4th is promoted to promote surface 159d
Place's bending electrically-conductive backing plate 150, the outside for enabling electrically-conductive backing plate 150 to be fitted in battery core 140 (refers specifically to, top, bottom and side
Portion), electrically-conductive backing plate 150 is in bending state at this time.It may then pass through adhesive tape 170 electrically-conductive backing plate 150 and battery core 140 is fixed
Together.Referring back to Fig. 2 and Fig. 3, finally within the case 110 by three's installation.
It as shown in figure 14, can will be conductive by thermoplastic plastic membrane 270 in another embodiment of the utility model
Substrate 250 and battery core 240 are fixed.Specifically, thermoplastic plastic membrane 270 is it is so structured that ring structure.Thermoplastic
Film 270 is first loosely set in the outside of electrically-conductive backing plate 250 and battery core 240, then via high temperature air thermoplasticity is moulded again
Expect that film 270 is shunk, electrically-conductive backing plate 250 and battery core 240 are fixed together.
It as shown in figure 15, can will be conductive by thermoplastic plastic membrane 370 in the another embodiment of the utility model
Substrate 350 and battery core (not shown) are fixed.Specifically, thermoplastic plastic membrane 370 is it is so structured that circular barrel-like structure.Heat
Thermoplastic plastic film 370 is first loosely set in the outside of electrically-conductive backing plate 350 and battery core, can wrap completely the side surface of battery core
It covers, then via high temperature air thermoplastic plastic membrane 370 is shunk again, electrically-conductive backing plate 350 and battery core are fixed together.
Referring back to Fig. 1 to Fig. 3, electrode cap 130 can be made of conductive material (such as metal material).Electrode cap 130
The electromagnetic radiation of electronic component generation can be shielded.The top of circuit board assemblies 120 is arranged in cover opening in electrode cap 130
112, electrode cap 130 is electrically connected to circuit board assemblies 120, and electrode cap 130 is opposite with the polarity of shell 110.Therefore, electrode cap
130 are negative polar cap for the positive electrode cap 114 of shell 110.Electrode cap 130 can be fixed by welding in circuit board 121
Upper surface, perhaps to circuit board 121 or both modes can be passed through abutting electrode cap 130 by way of clamping
Combination will the installation of electrode cap 130 on circuit board 121.In a unshowned embodiment of the utility model, shell
It can have cathode cap, and the electrode cap for covering shell nozzle can be the opposite polarity positive electrode cap with shell.
Dead ring 160 can be by being made with insulating materials flexible, and can be structured as cyclic structure.Dead ring 160
Opening 112 is extended through, and is limited between shell 110, electrode cap 130 and circuit board assemblies 120, for fixing circuit
Shell 110 and electrode cap 130 are simultaneously spaced apart by board group part 120.Specifically, dead ring 160 is for pressing circuit board assemblies 120
At the top in binding portion 113, thus fixing circuit board component 120.Meanwhile dead ring 160 is for being isolated shell 110 and electrode cap
130, it is conductive to prevent from directly contacting between the two.
Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model
The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit
The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion
Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein
Feature can be applied in combination another embodiment individually or with other feature, unless this feature is in another implementation
It is not suitable for or is otherwise noted in mode.
The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment
It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This
Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this
A little variants and modifications are all fallen within the utility model range claimed.
Claims (10)
1. a kind of rechargeable battery with bending electrically-conductive backing plate characterized by comprising
Shell, the shell have accommodating chamber, and the accommodating chamber has opening；
Circuit board assemblies, the circuit board assemblies are arranged in the accommodating chamber, and against the inner surface of the shell to lead
Electricity, the circuit board assemblies include circuit board and the electronic component that is arranged on the circuit board；
The lower section in the accommodating chamber and being located at the circuit board assemblies is arranged in battery core, the battery core；And
The lower section in the accommodating chamber and being located at the circuit board assemblies, the electricity is arranged in electrically-conductive backing plate, the electrically-conductive backing plate
Core is electrically connected by the electrically-conductive backing plate with the circuit board assemblies,
Wherein, the electrically-conductive backing plate is configured to flaky texture can bend, and the electrically-conductive backing plate includes main part and at least
Two bending promotion divisions, the bending promotion division be configured to be recessed inwardly from the two sides of the width direction of the main part or to
Outer protrusion, in order to bend the electrically-conductive backing plate from the bending promotion division, so that the electrically-conductive backing plate is in bending state
It is fitted in the outside of the battery core.
2. rechargeable battery according to claim 1, which is characterized in that
The electrically-conductive backing plate includes the first bending promotion division, the second bending rush set gradually along the length direction of the main part
Promotion division is bent into portion and third,
The first bending promotion division is positioned close to one end of the length direction of the main part, and is configured to from the main body
The notch that the two sides of the width direction in portion are recessed inwardly,
The second bending promotion division is configured to from the outwardly extending protrusion in the two sides of the width direction of the main part,
The third bending promotion division is configured to from the outwardly extending protrusion of the other end of the length direction of the main part.
3. rechargeable battery according to claim 2, which is characterized in that
The electrically-conductive backing plate includes the two sides of the width direction positioned at the main part and the first bending promotion table set gradually
Face, the second bending promote surface, third bending that surface and the 4th bending is promoted to promote surface,
First bending promotes the surface for the formation first bending promotion division that surface is the main part,
Second bending promotes surface and third bending to promote, and surface is located at the main part and first bending promotees
Into the junction in portion,
The 4th bending promotion surface is located at the junction of the main part and the second bending promotion division.
4. rechargeable battery according to claim 3, which is characterized in that
First bending promotes surface, second bending that surface, third bending is promoted to promote surface and the described 4th
It is arcwall face that bending, which promotes surface structure,
And the second bending surface and third bending surface are by being arranged in the first bending promotion division and the main body
The chamfering of the junction in portion is formed, and the 4th bending promotion division is by being arranged in the second bending promotion division and the main part
The chamfering of junction formed.
5. rechargeable battery according to claim 4, which is characterized in that connection second bending promotes the described of surface
The side surface of first bending promotion division and the main part is vertical.
6. rechargeable battery according to claim 1, which is characterized in that the electrically-conductive backing plate includes conductive layer and overlays
The insulating layer of the two sides up and down of the conductive layer, extends beyond to the Conductive layer portions insulating layer, the insulating layer and
The shape of the conductive layer is corresponding.
7. rechargeable battery according to claim 6, which is characterized in that the conductive layer include the first conductive layer and with institute
The first conductive layer the second conductive layer spaced apart is stated, first conductive layer and second conductive layer are arranged side by side at described
Between insulating layer.
8. rechargeable battery according to claim 7, which is characterized in that there are two weld parts for the circuit board tool, described
First conductive layer has first connecting portion, and second conductive layer has second connecting portion, the first connecting portion and described the
Two interconnecting pieces extend beyond the insulating layer, and for connecting respectively with described two weld parts.
9. rechargeable battery according to claim 8, which is characterized in that first conductive layer has to be connected with described first
Socket part third interconnecting piece spaced apart, second conductive layer have the 4th interconnecting piece being spaced apart with the second connecting portion,
The second opening that one of them described insulating layer has the first opening and opens with first open space, so that the third connects
One in socket part and the 4th interconnecting piece partly exposes from first opening, and the third interconnecting piece and described the
Another in four interconnecting pieces partly exposes from second opening.
10. rechargeable battery according to claim 9, which is characterized in that the battery core has positive lead and cathode
Connecting line, one in the positive lead and the negative lead are described for being electrically connected with the third interconnecting piece
Another in positive lead and the negative lead with the 4th interconnecting piece for being electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334214.0U CN209730042U (en) | 2019-03-15 | 2019-03-15 | A kind of rechargeable battery with bending electrically-conductive backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334214.0U CN209730042U (en) | 2019-03-15 | 2019-03-15 | A kind of rechargeable battery with bending electrically-conductive backing plate |
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| Publication Number | Publication Date |
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| CN209730042U true CN209730042U (en) | 2019-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816933A (en) * | 2020-01-17 | 2020-10-23 | 深圳市麦格松电气科技有限公司 | Battery controller and rechargeable battery |
| CN115425367A (en) * | 2022-09-29 | 2022-12-02 | 浙江美森电器有限公司 | Battery structure convenient to disassemble |
-
2019
- 2019-03-15 CN CN201920334214.0U patent/CN209730042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816933A (en) * | 2020-01-17 | 2020-10-23 | 深圳市麦格松电气科技有限公司 | Battery controller and rechargeable battery |
| CN115425367A (en) * | 2022-09-29 | 2022-12-02 | 浙江美森电器有限公司 | Battery structure convenient to disassemble |
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