CN209730041U - Rechargeable battery with electrically-conductive backing plate - Google Patents
Rechargeable battery with electrically-conductive backing plate Download PDFInfo
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- CN209730041U CN209730041U CN201920334198.5U CN201920334198U CN209730041U CN 209730041 U CN209730041 U CN 209730041U CN 201920334198 U CN201920334198 U CN 201920334198U CN 209730041 U CN209730041 U CN 209730041U
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- circuit board
- electrically
- backing plate
- battery core
- rechargeable battery
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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 kind of rechargeable battery with electrically-conductive backing plate comprising shell, circuit board assemblies, battery core and electrically-conductive backing plate, shell extend in a first direction；Circuit board assemblies are arranged in shell；Battery core is arranged in shell, and opposite polarity two electrodes of battery core are arranged in along the both ends of first direction；Electrically-conductive backing plate extends in a first direction and is arranged between shell and battery core, wherein two electrodes of battery core pass through electrically-conductive backing plate and two electrodes of circuit board assemblies connect one to one.By the way that electrically-conductive backing plate is arranged the bonding strength between electrically-conductive backing plate and circuit board assemblies can be improved, so that the connection between battery core and circuit board assemblies is more firm in rechargeable battery provided by the utility model.
Description
Technical field
The utility model relates to battery technology fields, and relate more specifically to a kind of chargeable electricity with electrically-conductive backing plate
Pond.
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 etc., this proposes increasingly higher demands to rechargeable battery energy storage energy.Lithium ion chargeable battery is due to tool
Have the advantages that energy it is high, can be with high power discharge, environmental protection, thus gradually applying in the above field.
Existing rechargeable battery generally comprises shell, and is arranged in elements such as the intracorporal battery core of shell, circuit board assemblies.
Battery core is usually to pass through two conducting wires to be direct soldering to circuit board.Rechargeable battery inadvertently fall off or with other objects collision
In the case of, the pad of conducting wire can loosen, or even can disconnect from circuit board.
During the manufacturing of rechargeable battery, the assembly between circuit board and battery core is usually by operative employee's hand
Dynamic operation, will increase production cost.
Therefore, it is necessary to a kind of rechargeable batteries with electrically-conductive backing plate, are existed in the prior art at least being partially solved
The problem of.
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.
In order at least be partially solved the above problem, one aspect according to the present utility model, provide it is a kind of have lead
The rechargeable battery of electric substrate comprising:
Shell, the shell extend in a first direction；
Circuit board assemblies, the circuit board assemblies are arranged in the shell；
Battery core, the battery core are arranged in the shell, and opposite polarity two electrodes of the battery core are arranged along institute
State the both ends of first direction；And
Electrically-conductive backing plate, the electrically-conductive backing plate extend along the first direction and be arranged in the shell and the battery core it
Between,
Wherein, described two electrodes of the battery core pass through two electricity of the electrically-conductive backing plate Yu the circuit board assemblies
Pole connects one to one.
According to this programme, by the way that electrically-conductive backing plate is arranged, the connection that can be improved between electrically-conductive backing plate and circuit board assemblies is strong
Degree, so that the connection between battery core and circuit board assemblies is more firm.
Optionally, the electrically-conductive backing plate has two battery core interconnecting pieces being spaced apart along the first direction, described two
Battery core interconnecting piece and two electrodes of the battery core connect one to one, the distance between described two battery core interconnecting pieces with it is described
Battery core is roughly the same along the size of the first direction.
Optionally, the battery core interconnecting piece outwardly protruding from the ontology of the electrically-conductive backing plate.
Optionally, the electrically-conductive backing plate has the positioning region with the electronic component clamping of the circuit board assemblies, so that institute
It is corresponding with the link position of the circuit board assemblies to state electrically-conductive backing plate.
Optionally, the circuit board interconnecting piece of the electrically-conductive backing plate be arranged in the positioning region along the one of the first direction
End and/or the positioning region are configured to U-shaped.
Optionally, the rechargeable battery further includes insulating radiation layer, and the insulating radiation layer partly covers the electricity
At least one of the upper and lower surfaces of road board group part.
Optionally, the circuit board assemblies include circuit board and the electronic component that is arranged on the circuit board, the electricity
Road plate includes the conductive part abutted with the inner surface of the shell, and the insulating radiation layer covers the electronic component and extends to
The conductive part.
Optionally, the insulating radiation layer is made of heat-conducting glue.
Optionally, the shell has the binding portion being recessed inwardly, and the binding portion is used to support the circuit board group
The surface of part is plane.
Optionally, the circuit board of the circuit board assemblies includes the conductive part abutted with the inner surface of the shell, described
Conductive part is provided with the copper plate and Gold plated Layer to form conductive layer, and the Gold plated Layer covers the copper plate.
Optionally, the circuit board includes circuit board matrix, and the neighboring of the circuit board is configured to the conductive part,
The conductive layer covers upper surface, lower surface and the circumferential flank surface of the neighboring of the circuit board matrix.
Optionally, electrical connector is led at described two electrodes of the battery core, the electrically-conductive backing plate includes interval
Two conducting bases of arrangement, the electrical connector and the conducting base, which correspond, to be welded.
Optionally, the electrical connector is plate, and the conducting base is plate.
Optionally, the electrically-conductive backing plate is the bent component made of flexible material.
Optionally, the both ends of the electrically-conductive backing plate are described respectively along the second direction bending vertical with the first direction
Fixing belt is provided at the dogleg section of electrically-conductive backing plate, the dogleg section is fixed to the battery core by the fixing belt.
Optionally, one end of the shell has opening, and the opening is provided with electrode cap, the electrode cap with it is described
Circuit board assemblies electrical connection, the electrode cap are configured to double-bridge structure.
Optionally, the electrode cap includes electrode cap ontology and two bridge legs extending downwardly from the electrode cap ontology,
Described two bridge leg arranged for interval, and the circuit board assemblies are respectively connected to, arched hole hole is formed between described two bridge legs.
Detailed description of the invention
The following drawings of the utility model is used to understand the utility model in this as a part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the device and principle of the utility model.In the accompanying drawings,
Fig. 1 is the decomposition diagram according to the rechargeable battery of preferred embodiments of the present invention；
Fig. 2 a is the schematic cross-sectional view of rechargeable battery shown in FIG. 1；
Fig. 2 b is the partial enlarged view of Fig. 2；
Fig. 3 is the perspective view of first electrode cap, and one of bridge leg is separated with circuit board；
Fig. 4 is the structural schematic diagram of electrically-conductive backing plate shown in FIG. 1, and wherein electrically-conductive backing plate is connect with circuit board assemblies；
Fig. 5 is the perspective exploded view of electrically-conductive backing plate shown in Fig. 4；
Fig. 6 is the stereoscopic schematic diagram of battery core shown in FIG. 1, electrically-conductive backing plate, and wherein electrically-conductive backing plate is connect with circuit board assemblies,
And electrically-conductive backing plate is connect with battery core；
Fig. 7 is the schematic top plan view of circuit board assemblies shown in FIG. 1；
Fig. 8 is the schematic top plan view for being covered with the circuit board assemblies shown in FIG. 1 of insulating radiation layer；
Fig. 9 is the partial enlarged view similar to Fig. 2 b, and insulating radiation layer is shown；
Figure 10 is the partial enlarged view in the portion A in Fig. 1, and copper plate and Gold plated Layer is shown；And
Figure 11 is the stereoscopic schematic diagram of battery core shown in FIG. 1, electrically-conductive backing plate, and wherein electrically-conductive backing plate is fixed by fixing belt.
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 is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed structure will be proposed in following description, it is practical to illustrate
It is novel.Obviously, the execution of the utility model is not limited to the specific details that the those skilled in the art are familiar with.This reality
It is described in detail as follows with novel better embodiment, however other than these detailed descriptions, the utility model can also have
Other embodiments should not be construed as being limited to embodiments set forth herein.
It should be understood that the purpose of term as used herein is only that description specific embodiment and not as this reality
With novel limitation, " one " of singular, "one" and " described/should " be also intended to include plural form, unless context is clear
Chu points out other mode.When the term " comprising " and/or " including " is used in this specification, indicate that there are the spies
Sign, entirety, step, operation, element and/or component, but do not preclude the presence or addition of one or more other features, entirety, step
Suddenly, operation, element, component and/or their combination.Term " on " used in the utility model, "lower", "front", "rear",
"left", "right" and similar statement for illustrative purposes only, not limit.
The cited such as ordinal number of " first " and " second " is only to identify in the utility model, without any
Other meanings, such as specific sequence etc..Moreover, for example, term " first component " itself does not imply that depositing for " second component "
Term " second component " does not imply that the presence of " first component " in itself.
Hereinafter, specific embodiment of the present utility model is described in more detail with reference to the accompanying drawings, these attached drawings show
The representative embodiment for having gone out the utility model is not to limit the utility model.
It first below can be with the structure of the rechargeable battery of the utility model in conjunction with attached drawing detailed description.
Shown in a and Fig. 2 b as shown in Figure 1, Figure 2, rechargeable battery 100 provided by the utility model includes shell 110, electrode cap,
And the circuit board assemblies 120 in shell 110 and battery core 140 are set.Battery core 140 is electrically connected with circuit board assemblies 120, circuit
Board group part 120 can be electrically connected with opposite polarity two electrode caps respectively.Two electrode caps are arranged at shell 110.
Shell 110 extends in a first direction and has along the closed accommodation space of circumferential direction based on first direction.In
In illustrated embodiment, shell 110 is exemplarily illustrated as the thin-wall construction of circular cylindrical shape.And first direction is chargeable electricity
The length direction D in pond 100.Battery core 140 and circuit board assemblies 120 can be placed in the accommodation space of shell 110.It is optional
Ground, shell 110 can be made of the metal material of the conduction such as steel.It will be understood by those skilled in the art that the knot of shell 110
Structure is not limited to present embodiment, and as needed, shell 110 is it is so structured that cuboid, square or other any suitable shapes
The structure of shape.
The first end of the D along its length of shell 110 has opening 111, and first electrode is provided at first end
Cap (cathode cap 131).Cathode cap 131 covers the opening 111.Cathode cap 131 can be connect with circuit board assemblies 120, but and shell
It insulate between body 110.Optionally, transparent dead ring 160 can be set between cathode cap 131 and shell 110, by the two
It is spaced and insulate.Dead ring 160 can be by being made with insulating materials flexible.
Second electrode cap (positive electrode cap 132) is provided at the second end opposite with first end of shell 110.Positive electrode cap 132
A closed end is formed with shell 110.Positive electrode cap 132 is electrically connected by shell 110 with circuit board assemblies 120, it follows that shell
Body 110 is opposite with the polarity of cathode cap 131.Although the exemplified here first electrode cap that shows is negative polar cap 131, second electrode
Cap is positive electrode cap 132, it will be recognized to those skilled in the art that the two electrode caps may be reversed setting.
The lower section of cathode cap 131 is arranged in battery core 140, and close to the second end of shell 110.There are two battery core 140 is drawn
Connector 141 (positive connector 141a and anode connector 141b), for being connect with circuit board assemblies 120.140 edge of battery core
Length direction D extends to circuit board assemblies 120 from the second end of shell 110.The both ends of battery core 140 are provided with mounting plate 143, even
Fitting 141 is drawn from mounting plate 143.
It should be noted that the directions term such as " lower section " that is mentioned above, " upward ", "top" is relative in straight
Under vertical state and circuit board assemblies 120 are located at for the rechargeable battery 100 of 140 top (as shown in Fig. 1 to Fig. 2 b) of battery core
's.
First end of the circuit board assemblies 120 close to shell 110.Circuit board assemblies 120 are arranged in battery core 140 and cathode cap
Between 131.Specifically, circuit board assemblies 120 include circuit board 121 and the electronic component 122 being arranged on circuit board 121.Electricity
The neighboring of road plate 121 is at least partly abutted with the inner surface of shell 110 with conduction.That is, circuit board 121 is outer
Circumferential edges are configured to conductive part.Need can be set multiple same kinds or different type according to its function on circuit board 121
Electronic component 122.The first side (upside) towards cathode cap 131 of circuit board 121 is connect with cathode cap 131.Circuit board 121
Second side (downside) opposite with the first side can be connect with battery core 140.Optionally, cathode cap 131 can be solid by welding
Be scheduled on the first side of circuit board 121, cathode cap 131 can perhaps be abutted to circuit board 121 by way of clamping or
It is installed by the combination of both modes to circuit board assemblies 120.Illustrated embodiment shows cathode cap 131 by above-mentioned
The structure of dead ring 160 and shell 110 is connected to it at opening of shell 110 111.
Further, as shown in Figure 2 b, shell 110 can have the binding portion 113 for being used to support circuit board assemblies 120,
Binding portion 113 is configured to be recessed inwardly from the outer surface of shell 110.Binding portion 113 is it is so structured that from the outer surface of shell 110
The U-shaped structure being recessed inwardly, the both ends of the U-shaped structure are respectively connected to the main part of shell 110.Preferably, binding portion 113
For upwards support circuit board assemblies 120 surface be plane.Specifically, the top surface in binding portion 113 is configured to along level
The plane that direction extends, it is conductive be used to support circuit board 121 and to abut with circuit board 121.Circuit in present embodiment
Board group part 120 can limit between cathode cap 131 and binding portion 113, specifically with above-mentioned dead ring 160 by circuit board assemblies
120 are pressed together on the top in binding portion 113, thus fixing circuit board component 120.
Optionally, as shown in Fig. 2 b and Fig. 3, cathode cap 131 is configured to double-bridge structure.Specifically, cathode cap includes cathode
Cap ontology 133 and the two bridge legs 134 extended downwardly from cathode cap ontology 133.Two 134 arranged for interval of bridge leg, and connect respectively
It is connected to the electrical connection section of circuit board 121.Arched hole hole 135 is formed between bridge leg 134, can not only form more skies as a result,
Between place electronic component 122, but also by air or can be arranged in circuit in order to the heat that generates electronic component 122
Heat-conducting medium on plate 121 is transferred to external environment, increases heat dissipation effect.And during the manufacturing, it can use
Arched hole hole 135 positions cathode cap 131 to circuit board 121, consequently facilitating welding.In an implementation of circuit board assemblies 120
In mode, indicator light, such as alarm lamp or charging indicator light can be set on circuit board 121, the light of indicator light can be from bridge
Shape hole 135 penetrates, and observes convenient for user.
Rechargeable battery 100 further includes electrically-conductive backing plate 150, and electrically-conductive backing plate 150 is arranged in shell 110.The two of battery core 140
A electrode passes through electrically-conductive backing plate 150 and the electrode of circuit board assemblies 120 connects one to one.Specifically, 150 edge of electrically-conductive backing plate
Length direction D extends, and between battery core 140 and shell 110.Positive connector 141a and anode connector 141b are set respectively
It sets at the both ends of the D along its length of battery core 140.As shown in Figure 2 b, positive connector 141a is upwardly extended and electrically-conductive backing plate 150
Upper end connection.Anode connector 141b is extended downwardly to be connect with the lower end of electrically-conductive backing plate 150.Positive connector 141a and cathode
Connector 141b can be respectively electrically connected to electrically-conductive backing plate 150, and electrically-conductive backing plate 150 is electrically connected to circuit board 121 again, thus by electric
Two electrodes that two electrodes of core 140 are correspondingly connected to circuit board 121 (are specifically connected to two electrical connections mentioned below
Portion 125).By the way that electrically-conductive backing plate 150 is arranged, the company between two connectors 141 of battery core 140 and circuit board 121 can be improved
Intensity, such as weld strength are connect, so that the connection between battery core 140 and circuit board 121 is more firm.
In present embodiment, electrically-conductive backing plate 150 is configured to thin plate-shaped structure, and electrically-conductive backing plate 150 is bending after mounting
(Fig. 1), before the mounting be expansion (Fig. 4 and Fig. 6).That is, electrically-conductive backing plate 150 can be to be fabricated from a flexible material
Bent component.Electrically-conductive backing plate 150 can not only be fitted tightly over the outside of battery core 140 after mounting, and can be
Pre-position bending is arranged in shell 110 with above-mentioned connection type.Electrically-conductive backing plate 150 after bending can greatly reduce
The accommodation space occupied in shell 110, makes more compact structure.Electrically-conductive backing plate 150 is the plate of expansion before the mounting, in this way
It can be in order to which battery core 140 be placed on electrically-conductive backing plate 150 when manufacturing, in order to weld.
As shown in figure 4, electrically-conductive backing plate 150 has the electricity being separately connected for two electrical connection sections 125 with circuit board 121
Road plate interconnecting piece 158, and the two battery core interconnecting pieces to connect one to one for two connectors 141 with battery core 140
159.D is spaced apart 158, two battery core interconnecting pieces 159 of circuit board interconnecting piece along its length.Battery core 140 can be arranged in two
Between battery core interconnecting piece 159.Specifically, in the shown embodiment, electrically-conductive backing plate 150 is arranged in circuit board interconnecting piece 158
First end (i.e. upper end), battery core anode interconnecting piece 159a exist close to circuit board interconnecting piece 158, battery core cathode interconnecting piece 159b setting
The second end (opposite with first end, i.e. lower end) of electrically-conductive backing plate 150.Positive connector 141a is located at battery core anode interconnecting piece 159a
Place, anode connector 141b are located at battery core cathode interconnecting piece 159b.
During the manufacturing, battery core 140 can be placed on and led based on the position of the two battery core interconnecting pieces 159
On electric substrate 150, in order to which battery core 140 and electrically-conductive backing plate 150 are welded together.Optionally, battery core interconnecting piece 159 is from conduction
Substrate body outwardly protrudes, in order to position electrically-conductive backing plate 150 to tooling platform.Battery core interconnecting piece 159 to
Outer part outstanding has curved edge.The length of the distance between two battery core interconnecting pieces 159 and battery core 140 is (i.e. along first
The size in direction) it is roughly the same.
Optionally, referring to Fig. 4, electrically-conductive backing plate 150 also has an electronic component 122a clamping with circuit board assemblies 120
Positioning region 155 so that electrically-conductive backing plate 150 is corresponding with the link position of circuit board assemblies 120.Specifically, circuit board interconnecting piece
158 are arranged in one end of the D along its length of positioning region 155.Positioning region 155 is located at circuit board interconnecting piece 158 and battery core anode
Between interconnecting piece 159a.Positioning region 155 is for being held in electronic component 122a, so that circuit board interconnecting piece 158 is located in electricity
At interconnecting piece 125.By this method, convenient for circuit board interconnecting piece 158 is soldered to electrical connection section 125, to improve welding efficiency.
Positioning region 155 is configured to U-shaped.Circuit board interconnecting piece 158 extends from the two sidewalls of the positioning region of U-shaped 155.Electronics
Element 122a can enter from the opening of the positioning region of U-shaped 155 and limit in positioning region 155.The shape and electricity of positioning region 155
The shape of subcomponent 122a is adapted, and allows it to the side for being held in electronic component 122a.
As shown in figure 5, electrically-conductive backing plate 150 may include three-decker, it is spaced apart two conducting bases respectively
151, and it is covered each by the upper insulator 152a and lower insulator 152b of 151 upper and lower surface of conducting base.In other words, conductive
Substrate 150 is by conducting base 151, upper insulator 152a and the molding integral piece of lower insulator 152b.The of conducting base 151
One end extends beyond upper insulator 152a and lower insulator 152b, to form foregoing circuit plate interconnecting piece 158.In other words, electric
Road plate interconnecting piece 158 exposes above-mentioned insulator in order to weld.
Conducting base 151 is the plate structure made of copper product.Upper insulator 152a and lower insulator 152b is exhausted
Plate structure made of edge material, their periphery surfaces opposite to each other are abutted and are connected to by the modes such as being bonded or heating
Together, conducting base 151 is clamped among them.
The second opening 157 that upper insulator 152a is provided with the first opening 156 and is spaced apart with the first opening 156, so that
Conducting base 151 is exposed.Two conducting bases 151 are respectively via the first opening 156 and the second opening 157 and above-mentioned connector
141 connect one to one.It is appreciated that the two limited openings position of battery core interconnecting piece 159.First opening 156 is close
The first end of electrically-conductive backing plate 150.Second opening 157 is arranged at the second end of electrically-conductive backing plate 150.
Specifically, referring to Fig. 4 and Fig. 5, conducting base 151 includes from the first end of conducting base 151 towards its second end
The positive electrode substrate 153 and cathode matrix 154 of extension (opposite with first end).First connecting pin 153a of positive electrode substrate 153 is used for
It is connect with the positive electrical connection section 125a of circuit board 121.The second connection end 153b of positive electrode substrate 153 extends to the first opening
At 156 and at least partly exposed or positive electrode substrate 153 second connection end 153b extends beyond the first opening 156, so that
Obtaining positive electrode substrate 153 can weld at the first opening 156 with positive connector 141a.It is appreciated that the first opening 156 limits
The position of battery core anode interconnecting piece 159a.First connecting pin 154a of cathode matrix 154 is for the negative electricity with circuit board 121
Interconnecting piece 125b connection.The second connection end 154b of cathode matrix 154 extends at the second opening 157 and at least partly outer
The second connection end 154b of dew or cathode matrix 154 extends beyond the second opening 157, so that cathode matrix 154 is second
Being open at 157 can weld with anode connector 141b.It is appreciated that the second opening 157 defines battery core anode interconnecting piece
The position of 159a.
Upper insulator 152a and lower insulator 152b is U-shaped structure at first end, to form above-mentioned positioning region 155.
Also, the shape of two conducting bases 151 should be adapted with the shape of two insulators, i.e., the integrally also shape at first end
At U-shaped structure.
It is appreciated that the "up" and "down" in " upper insulator 152a " herein, " lower insulator 152b " be relative to
Horizontal positioned can be supported by upwards for the electrically-conductive backing plate 150 of battery core 140.
In the present embodiment, conducting base 151 is plate.As shown in fig. 6, connector 141 is also plate.Implemented with this
Mode can be soldered to conducting base 151 in order to correspond to connector 141, improve welding effect.
As shown in fig. 7, circuit board 121 is disc, the circumferential flank surface of conductive part 124 and the inner surface of shell 110 are supported
It connects.Multiple electronic components 122 are arranged at the part except the conductive part 124 of circuit board 121.Conductive part 124 is in radial direction
It is upper that there is scheduled first size.The top surface in binding portion 113 has the second size in radial directions.Second size can connect
Nearly first size or the second size can be equal or slightly greater than first size.Optionally, conductive part 124 can have to
A few through-hole 129, in order to radiate.Through-hole 129 extends to its lower surface from the upper surface of conductive part 124.Implement in diagram
In mode, multiple 129 circular array of through-hole arrangements.
Further, as shown in Figure 8 and Figure 9, the rechargeable battery 100 of the utility model can also include insulating radiation
Layer.Insulating radiation layer partly covers at least one of the upper and lower surfaces of circuit board assemblies 120.Insulating radiation layer covers
It covers at least one electronic component 122 and extends to conductive part 124, in this embodiment, the heat that electronic component 122 can be generated
Amount is transferred to shell 110 via conductive part 124, can increase heat dissipation effect in this way.Fig. 8 is schematically illustrated positioned at circuit board
First insulating radiation layer 171 of 120 upper surface of component, by taking the first insulating radiation layer 171 as an example comprising cover main heater element
First part 171a and formed annular second part 171b (ring part).It is appreciated that main heater element is from multiple electricity
It is scheduled one or several in subcomponent 122, more heat can be generated relative to other electronic components 122.First
The part of the close conductive part 124 of 171a is divided to be connected as one with second part 171b.Second part 171b can partly cover
Cover the electronic component 122 and conductive part 124 close to conductive part 124.
As shown in figure 9, second part 171b can be extended at through-hole 129, the through-hole 129 is not covered all.It is optional
Ground, second part 171b can extend substantially to the center of through-hole 129.Second part 171b can also be with first electrode cap 131
Contact or connection, in this embodiment, can be transferred directly to first electrode cap 131 for the heat that electronic component 122 generates, from
And improve heat dissipation effect.In this embodiment, the first insulating radiation layer 171 does not influence first electrode cap 131 and circuit board 121
Upper surface between conduction.
The second insulating radiation layer 172 positioned at 120 lower surface of circuit board assemblies has with the first insulating radiation layer 171 substantially
Just as structure, repeat no more for brevity.The difference is that the second insulating radiation layer 172 can extend directly to binding portion
113, in this embodiment, the heat that electronic component 122 generates can be transferred directly to shell 110.In this embodiment,
Second insulating radiation layer 172 is not extend to the top surface in binding portion 113, to not influence lower surface and the binding of conductive part 124
Conduction between the top surface in portion 113.
Optionally, insulating radiation layer can be the heat-conducting glue layer made of heat-conducting glue.
Further, as shown in Figure 10, the copper plate 127 to form conductive layer 126 and gold-plated can be set in conductive part 124
Layer 128.In other words, conductive layer 126 includes copper plate 127 and Gold plated Layer 128.The appearance of the covering copper plate 127 of Gold plated Layer 128
Face can play a protective role to copper plate 127, specifically prevent copper plate 127 from aoxidizing, to improve conductive effect.
Specifically, circuit board 121 includes circuit board matrix 123, the upper table of the neighboring of 126 covering board matrix 123 of conductive layer
Face, lower surface and circumferential flank surface, to form conductive part 124.
Specifically, upper surface, lower surface and the peripheral side table of the neighboring of 127 covering board matrix 123 of copper plate
Face.The substantially the entirety of covering copper plate 127 of Gold plated Layer 128.As a result, in this embodiment, it is abutted with the inner surface of shell 110
It is Gold plated Layer 128.Nickel coating 115 has can be set in the inner surface of shell 110, and nickel coating 115 can prevent the interior table of shell 110
Face is oxidized corrosion, to improve conductive effect.As a result, in this embodiment, nickel coating 115 can be supported with Gold plated Layer 128
It connects.
Optionally, copper plate 127 can also cover the inner surface of through-hole 129, and Gold plated Layer 128 can be covered positioned at through-hole
Copper plate 127 in 129.(not shown) at two electrical connection sections 125 can also be arranged in copper plate 127, and Gold plated Layer 128 covers
Copper plate 127 at electrical connection section 125, thus, it is possible to which the welding improved between electrically-conductive backing plate 150 and circuit board 121 can
By property and conductive effect.
As shown in figure 11, the both ends of electrically-conductive backing plate 150 are respectively along the second direction (horizontal direction) vertical with first direction D
Bending, fixing belt 180 is provided at the dogleg section of electrically-conductive backing plate 150, and dogleg section is fixed to battery core by fixing belt 180
140.Fixing belt 180 can be such that electrically-conductive backing plate 150 is maintained in the same bending position, improve electrically-conductive backing plate 150 and battery core 140
Between the fastness that connects.Optionally, fixing belt 180 is common adhesive tape.The both ends of adhesive tape pass through dogleg section and are directly bonded
To battery core 140.
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.The terms such as herein presented " portion ", " part " can both indicate single part, can also indicate more
The combination of a part.The terms such as herein presented " installation ", " setting " can both indicate that a component was attached directly to
Another component can also indicate that a component is attached to another component by middleware.Herein in an embodiment
Described in feature can be applied in combination another embodiment individually or with other features, unless this feature is another at this
It is not suitable for or is otherwise noted in one embodiment.
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
Outside it will be appreciated by persons skilled in the art that the utility model is not limited to above embodiment, according to the utility model
Introduction can also make more kinds of variants and modifications, it is claimed that these variants and modifications all fall within the utility model
Within range.The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims (17)
1. a kind of rechargeable battery with electrically-conductive backing plate characterized by comprising
Shell, the shell extend in a first direction；
Circuit board assemblies, the circuit board assemblies are arranged in the shell；
Battery core, the battery core are arranged in the shell, and opposite polarity two electrodes setting of the battery core is along described the
The both ends in one direction；And
Electrically-conductive backing plate, the electrically-conductive backing plate extend along the first direction and are arranged between the shell and the battery core,
Wherein, described two electrodes of the battery core pass through two electrodes one of the electrically-conductive backing plate Yu the circuit board assemblies
One is correspondingly connected with.
2. rechargeable battery according to claim 1, which is characterized in that the electrically-conductive backing plate has along the first direction
Two battery core interconnecting pieces spaced apart, described two battery core interconnecting pieces and two electrodes of the battery core connect one to one, institute
It is roughly the same along the size of the first direction with the battery core to state the distance between two battery core interconnecting pieces.
3. rechargeable battery according to claim 2, which is characterized in that the battery core interconnecting piece is from the electrically-conductive backing plate
Ontology outwardly protrudes.
4. rechargeable battery according to claim 1, which is characterized in that the electrically-conductive backing plate has and the circuit board group
The positioning region of the electronic component clamping of part, so that the electrically-conductive backing plate is corresponding with the link position of the circuit board assemblies.
5. rechargeable battery according to claim 4, which is characterized in that the circuit board interconnecting piece of the electrically-conductive backing plate is arranged
U-shaped is configured to along one end of the first direction and/or the positioning region in the positioning region.
6. rechargeable battery according to claim 1, which is characterized in that the rechargeable battery further includes insulating radiation
Layer, the insulating radiation layer partly cover at least one of the upper and lower surfaces of the circuit board assemblies.
7. rechargeable battery according to claim 6, which is characterized in that the circuit board assemblies include circuit board and setting
Electronic component on the circuit board, the circuit board include the conductive part abutted with the inner surface of the shell, described exhausted
Edge heat dissipating layer covers the electronic component and extends to the conductive part.
8. rechargeable battery according to claim 6, which is characterized in that the insulating radiation layer is made of heat-conducting glue.
9. rechargeable battery according to claim 1, which is characterized in that the shell has the binding portion being recessed inwardly,
The surface for being used to support the circuit board assemblies in the binding portion is plane.
10. rechargeable battery according to claim 1, which is characterized in that the circuit board of the circuit board assemblies include with
The conductive part that the inner surface of the shell abuts, the conductive part is provided with the copper plate and Gold plated Layer to form conductive layer, described
Gold plated Layer covers the copper plate.
11. rechargeable battery according to claim 10, which is characterized in that the circuit board includes circuit board matrix, institute
The neighboring for stating circuit board is configured to the conductive part, and the conductive layer covers the upper of the neighboring of the circuit board matrix
Surface, lower surface and circumferential flank surface.
12. rechargeable battery according to claim 1, which is characterized in that draw at described two electrodes of the battery core
There is electrical connector out, the electrically-conductive backing plate includes spaced apart two conducting bases, the electrical connector and the conductive base
Body corresponds welding.
13. rechargeable battery according to claim 12, which is characterized in that the electrical connector is plate, and described
Conducting base is plate.
14. rechargeable battery according to claim 1, which is characterized in that the electrically-conductive backing plate is to be fabricated from a flexible material
Bent component.
15. rechargeable battery according to claim 14, which is characterized in that the both ends of the electrically-conductive backing plate respectively along and institute
The vertical second direction bending of first direction is stated, is provided with fixing belt, the bending part at the dogleg section of the electrically-conductive backing plate
Divide and the battery core is fixed to by the fixing belt.
16. rechargeable battery according to claim 1, which is characterized in that one end of the shell has opening, described to open
It is provided with electrode cap at mouthful, the electrode cap is electrically connected with the circuit board assemblies, and the electrode cap is configured to double-bridge structure.
17. rechargeable battery according to claim 16, which is characterized in that the electrode cap include electrode cap ontology and from
Two bridge legs that the electrode cap ontology extends downwardly, described two bridge leg arranged for interval, and it is respectively connected to the circuit board
Component forms arched hole hole between described two bridge legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334198.5U CN209730041U (en) | 2019-03-15 | 2019-03-15 | Rechargeable battery with electrically-conductive backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334198.5U CN209730041U (en) | 2019-03-15 | 2019-03-15 | Rechargeable battery with electrically-conductive backing plate |
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| Publication Number | Publication Date |
|---|---|
| CN209730041U true CN209730041U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920334198.5U Active CN209730041U (en) | 2019-03-15 | 2019-03-15 | Rechargeable battery with electrically-conductive backing plate |
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| Country | Link |
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| CN (1) | CN209730041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962202A (en) * | 2019-03-15 | 2019-07-02 | 福建南平南孚电池有限公司 | Rechargeable battery with electrically-conductive backing plate |
-
2019
- 2019-03-15 CN CN201920334198.5U patent/CN209730041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962202A (en) * | 2019-03-15 | 2019-07-02 | 福建南平南孚电池有限公司 | Rechargeable battery with electrically-conductive backing plate |
| CN109962202B (en) * | 2019-03-15 | 2024-03-05 | 福建南平南孚电池有限公司 | Rechargeable battery with conductive substrate |
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