CN208507703U - Sleeve, electrical connection module, electronic building brick and electronic product - Google Patents

Sleeve, electrical connection module, electronic building brick and electronic product Download PDF

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Publication number
CN208507703U
CN208507703U CN201820752949.0U CN201820752949U CN208507703U CN 208507703 U CN208507703 U CN 208507703U CN 201820752949 U CN201820752949 U CN 201820752949U CN 208507703 U CN208507703 U CN 208507703U
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China
Prior art keywords
sleeve
conductive layer
conductive
film
layer
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CN201820752949.0U
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Chinese (zh)
Inventor
张东明
王堪武
陆玉钊
顾鸿扬
赵阳
王立闯
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Hanergy Mobile Energy Holdings Group Co Ltd
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Hanergy Mobile Energy Holdings Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model relates to technical field of electronic products more particularly to a kind of sleeve, electrical connection module, electronic building brick and electronic products.It solves and the edge of sub- solar battery is carried out cutting the defect for being easy to cause folding conductive film damage in the prior art.A kind of sleeve, comprising: flexible sleeve, the flexible sleeve are made of insulating material, and the softening temperature of the insulating materials is not less than 110 DEG C;Conductive layer, the conductive layer are arranged on the inner surface of the flexible sleeve.The utility model embodiment is for being electrically connected two electrical connectors.

Description

Sleeve, electrical connection module, electronic building brick and electronic product
Technical field
The utility model relates to technical field of electronic products more particularly to a kind of sleeve, electrical connection module, electronic building brick with And electronic product.
Background technique
Solar battery is the device for directly luminous energy being converted to by photoelectric effect or photochemical effect electric energy.In reality In the application of border, present solar power generation product is usually by solar battery matrixing.In the son for being divided into matrix unit Between solar battery (i.e. solar battery substring), guarantee to be electrically connected by conducting material, to form serial or parallel connection Battery pack.In such cases, it is electrically connected and bears to fold bring stress between sub- solar battery by conductive material, answer Become.
As shown in Figure 1, be a kind of thin-film solar cells structural schematic diagram, successively include: from top to bottom primary backing 01, Primary backing hot melt adhesive film 02, the film 03 that blocks water, hot melt adhesive film 04, sub- solar battery 05, hot melt adhesive film 04, the film 03 that blocks water, top Layer hot melt adhesive film 06, window cloth 07 and ethylene-tetrafluoroethylene copolymer (ethylene-tetra-fluoro-ethylene, ETFE) 08, wherein will be connected between each sub- solar battery 05 by folding conductive film 09, with to multiple sons too While positive energy battery 05 carries out serial or parallel connection, to realize the folding and storage of being convenient for the solar battery.
And if as shown in Figure 1 layers of material all have one's face covered with product be laid with if, glue-line and membrane material layer superposition will be greatly reduced folding The softness in region, it becomes difficult to fold, therefore, as shown in Figure 1, hot melt adhesive film 04, the film 03 that blocks water are used left and right two panels The mode of splicing is laid with, and to improve the flexibility of fold domain, is promoted and is folded feel.
But during vacuum lamination is packaged the film that blocks water, under long-time high-temperature, vacuum environment, fusing Hot melt adhesive film 04 can flow, can be especially foldable in the marginal position generation excessive glue of each sub- solar battery 05 Conductive film 09 can also for glue flow channel be provided so that adhering to a large amount of excessive glues on folding conductive film 09, although passing through The excessive glue for being formed in sub- 05 edge of solar battery can be removed by cutting, and still, the thickness of folding conductive film 09 is usual It is smaller, it is more fragile and be easy during cutting generate damage.
Utility model content
It is produced the main purpose of the utility model is that providing a kind of sleeve, electrical connection module, electronic building brick and electronics Product, solve cut to the edge of sub- solar battery in the prior art and are easy to cause folding conductive film damage Defect.
In order to achieve the above objectives, the utility model adopts the following technical solution:
On the one hand, the utility model embodiment provides a kind of sleeve, comprising: flexible sleeve, flexible sleeve is by insulating materials Be made, the softening temperature of the insulating materials is not less than 110 DEG C, preferably not less than 130 DEG C, more desirably not less than 160 DEG C, more into One step is preferably not less than 200 DEG C;Conductive layer, conductive layer are arranged on the inner surface of the flexible sleeve.
Optionally, the conductive layer is the vertical bar type conductive layer extended along the length direction of the flexible sleeve.
Optionally, the conductive layer is 1, and the inner peripheral surface of the flexible sleeve is completely covered in the conductive layer;Alternatively, The conductive layer is 1, and the conductive layer is arranged at least 1/2 inner peripheral surface of the flexible sleeve;Alternatively, described lead Electric layer is two, and two conductive layers are sequentially arranged at intervals along the circumferential direction of the flexible sleeve, so that two conductions Layer is separately positioned on the opposite sides for the cavity that the flexible sleeve surrounds.
Optionally, when conductive layer is 2, the spacing distance between two conductive layers is 0.1-0.2mm.
Optionally, the flexible sleeve is made of polyimides or polyetherimide;And/or the flexible sleeve With a thickness of 15~25 μm, preferably 18~23 μm.
Optionally, glue-line is additionally provided on the inner surface of the flexible sleeve, the glue-line is arranged in the conductive layer On inner surface, the glue-line is layer of silica gel, epoxy adhesive layer, acrylic acid glue-line or oxyphenisatin acetal glue-line.
Optionally, the glue-line with a thickness of 5~15 μm, preferably 6~12 μm.
Optionally, the conductive layer includes conductive layer main body, alternatively, the conductive layer includes conductive layer main body and is covered in Solder layer on the surface of the conductive layer main body, the copper that the conductive layer main body is copper foil or copper content is 99wt% or more Alloy sheet, the solder layer are tin layers or sn-bi alloy layer, and the alcu alloy film is preferably gun-metal piece, phosphor copper piece Or phosphor tin alcu alloy film.
Optionally, the thickness of the conductive layer is less than or equal to 12 μm, preferably 6~12 μm;And/or the solder layer Thickness be less than or equal to 1.2 μm, preferably 0.8~1 μm.
On the other hand, the utility model embodiment provides a kind of electrical connection module, comprising: sleeve as described above;First The first end of the sleeve, the end of the second connector are protruded into the end of connector and the second connector, first connector Portion protrudes into the second end of the sleeve, and is electrically connected respectively with the conductive layer in the sleeve interior surface.
Optionally, first connector is welding, and second connector is conductive film.
On the other hand, the utility model embodiment provides a kind of electronic building brick, including at least two electronic components;Institute as above The electrical connection module stated;Wherein, two adjacent electronic components are connected by the electrical connection module.
Optionally, the electronic component is solar battery.
Optionally, the electronic building brick further includes the energy-storage module of electrical connection, the energy-storage module and the solar-electricity Pond electrical connection.
In another aspect, the utility model embodiment provides a kind of electronic product, including electronic building brick as described above.
The utility model embodiment provides a kind of sleeve, electrical connection module, electronic building brick and electronic product, by soft Conductive layer is set on the inner surface of property sleeve, it, can be by two sub- sun when being packaged to multiple sub- solar batteries Welding on energy battery is respectively protruding into the first end of two sleeves, and conductive film is respectively protruding into the second end of two sleeves, And the first end of two sleeves is arranged on sub- solar battery, the second end stretches out except sub- solar battery, to more A sub- solar battery is packaged, and is electrically connected welding and conductive film with the conductive layer in sleeve respectively, can be realized two The electrical connection of a sub- solar battery.Since the softening temperature of the flexible sleeve is not less than 110 DEG C, preferably not less than 130 DEG C, more Preferably not less than 160 DEG C, still more preferably it is not less than 200 DEG C, therefore, in vacuum lamination encapsulation, which will not Softening transform occurs, can remain tubular structure, and after excessive glue occurs for the edge of sub- solar battery, it can be with antithetical phrase too It is positive can the edge of battery cut to remove excessive glue, at this moment, since the sleeve covers are in the outside of the welding and the conductive film, Conductive film can be protected, be easy to solve and cut to the edge of sub- solar battery in the prior art to can The conductive film of folding causes the defect of damage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram when a kind of thin-film solar cells that the prior art provides is packaged;
Fig. 2 is a kind of structural schematic diagram of sleeve provided by the embodiment of the utility model;
Fig. 3 is the structural representation that a kind of sleeve and welding and conductive film provided by the embodiment of the utility model are attached Figure;
Fig. 4 is a kind of structural schematic diagram that conductive layer is formed on flexible flake provided by the embodiment of the utility model;
Fig. 5 is a kind of structural schematic diagram in the direction A-A ' of Fig. 2 provided by the embodiment of the utility model;
Fig. 6 is a kind of structural schematic diagram of electrical connection module provided by the embodiment of the utility model;
Fig. 7 is the structural schematic diagram of another electrical connection module provided by the embodiment of the utility model;
Fig. 8 is a kind of structural schematic diagram of electronic building brick provided by the embodiment of the utility model;
Fig. 9 is the structural schematic diagram of another electronic building brick provided by the embodiment of the utility model;
Figure 10 is that there are the structural schematic diagrams of jack for a kind of the second end in sleeve provided by the embodiment of the utility model;
Figure 11 is a kind of structural schematic diagram of conductive film provided by the embodiment of the utility model;
Figure 12 is the structural schematic diagram in the direction Y-Y ' provided by the embodiment of the utility model based on Figure 11;
Figure 13 is the structural schematic diagram in the direction X-X ' provided by the embodiment of the utility model based on Figure 11;
Figure 14 is a kind of structural schematic diagram of conductive sheet provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
On the one hand, the utility model embodiment provides a kind of sleeve, and referring to fig. 2, which includes: flexible sleeve 11, soft Property sleeve 11 be made of insulating material, and the softening temperature of insulating materials be not less than 110 DEG C, preferably not less than 130 DEG C, more preferably Not less than 160 DEG C, still more preferably it is not less than 200 DEG C;Conductive layer 12, the conductive layer 12 are arranged in the flexible sleeve 11 On surface.
The utility model embodiment provides a kind of sleeve, referring to figure 1, figure 2 and figure 3, passes through the interior table in flexible sleeve 11 Conductive layer 12 is arranged in face, can will be on two sub- solar batteries 05 when being packaged to multiple sub- solar batteries 05 Welding 051 be respectively protruding into the first ends of two sleeves 1, conductive film 09 is respectively protruding into the second end of two sleeves 1, and The first end of two sleeves 1 is arranged on sub- solar battery 05, the second end stretches out except sub- solar battery 05, right Multiple sub- solar batteries 05 are packaged, and are electrically connected welding 051 and conductive film 09 with the conductive layer 2 in sleeve 1 respectively, It can be realized the electrical connection of two sub- solar batteries 05.Since the softening temperature of the flexible sleeve 11 is not less than 110 DEG C, preferably Not less than 130 DEG C, more desirably not less than 160 DEG C, still more preferably it is not less than 200 DEG C.Therefore, when vacuum lamination encapsulates, The flexible sleeve 11, which will not be melted, will not occur softening transform, can remain tubular structure, and in sub- solar battery After excessive glue occurs for 05 edge, it can be cut with the edge of antithetical phrase solar battery 05 to remove excessive glue, at this moment, due to the set Cylinder 1 is coated on the outside of the welding 051 and the conductive film 09, can protect to conductive film 09, to solve existing skill The edge of sub- solar battery is carried out in art to cut the defect for being easy to cause folding conductive film damage.
Preferably, conductive layer 12 includes conductive layer main body, alternatively, conductive layer 12 includes conductive layer main body and is covered in this and leads Solder layer on the surface of electric layer main body.
In the utility model embodiment, the conductive layer 12 in the sleeve 1 can be connect under lamination effect with the welding 051 Touching, thus realize electrical connection, and the conductive layer 12 in sleeve 1 can contact under hot pressing or extruding with conductive film 09, thus Electrical connection is realized, in the process, if conductive layer 12 only includes conductive layer main body, conductive layer main body and welding 051 and conduction Film 09 can realize electrical connection by crimping respectively, and if conductive layer 12 includes conductive layer main body and is covered in the conductive layer main body Surface on solder layer, then conductive layer 12 and welding 051 are realized and are electrically connected by crimping under lamination effect, the conductive layer 12 It can realize and be electrically connected under the action of thermocompression bonding with conductive film 09, and in the prior art pass through welding 051 and conductive film 09 The mode of spot welding, which is electrically connected, to be compared, and the battery surface that can be avoided after the completion of encapsulating is uneven.
Wherein, the material of the conductive layer main body can be fine copper, copper alloy etc., be not specifically limited herein.The solder layer Material can be not specifically limited herein for tin, tin alloy etc..
In one embodiment of the utility model, the copper which is copper foil or copper content is 99wt% or more is closed Gold plaque, the solder layer are tin layers or sn-bi alloy layer, and alcu alloy film is preferably gun-metal piece, phosphor copper piece or phosphor tin copper Alloy sheet.Be conducive to improve the electric conductivity of conductive layer 12.
It is further preferred that the solder layer is that sn-bi alloy layer is conducive to pass through layer since the fusing point of sn-bi alloy is lower Technique is pressed to realize thermocompression bonding.
Wherein, optionally, the thickness of conductive layer 12 is less than or equal to 12 μm, can be preferably 6~12 μm;With or, the weldering The thickness of the bed of material is less than or equal to 1.2 μm, can be preferably 0.8~1 μm.By the way that the thickness limit of conductive layer 12 and solder layer is existed In range above, it can either guarantee electric conductivity, additionally it is possible to reduce the difficulty of processing of conductive layer 12 to a certain extent.
In the another embodiment of the utility model, referring to fig. 4, which is the length direction along the flexible sleeve 11 The vertical bar type conductive layer of extension.The length direction of the flexible sleeve 11 refers to from the direction open at one end for being directed toward another end opening (direction shown in arrow b as shown in Figure 2), so, by conductive film 09 and welding 051 be located in two conductive layers 12 it Between, conductive film 09 and welding 051 and the conductive layer 12 are capable of increasing along the contact area of the length direction of the conductive layer 12.
In the possible embodiment of the first of the utility model, which is 1, and this is completely covered in conductive layer 12 The inner peripheral surface of flexible sleeve 11.It is completely covered that refer to that the inner peripheral surface of the flexible sleeve 11 does not have exposed, the conductive film 09 can be made It is contacted with the conductive layer 12 with two surfaces up and down of the welding 051, so as to increase conductive layer 12 and the conductive film 09 With the electrical connection area of the welding 051.
In the possible embodiment of second of the utility model, which is 1, and the conductive layer 12 is arranged at this On 1/2 inner peripheral surface of flexible sleeve 11.1/2 inner peripheral surface is the half circumferential surface of the periphery of the flexible sleeve 11.This can be made to lead One of surface in two surfaces up and down of electrolemma 09 and the welding 051 is contacted with the conductive layer 12 to realize electrical connection.
In the third possible embodiment of the utility model, which is two, and two 12 edges of conductive layer The circumferential direction (direction as shown in arrow a in Fig. 5) of the flexible sleeve 11 is sequentially arranged at intervals, so that two conductive layers 12 are set respectively Set the opposite sides of the cavity surrounded in flexible sleeve 11.
In the utility model embodiment, since the quality of the conductive layer 12 is hard compared with the flexible sleeve 11, pass through Two conductive layers 2 are sequentially arranged at intervals along the circumferential direction of flexible sleeve 11, so that two conductive layers 12 are separately positioned on this The opposite sides for the cavity that flexible sleeve 11 surrounds, between the flexible sleeve 11 capable of being shaped as between two conductive layers 12 The hollow structure of gap bending so is conducive to protrude into welding 051 and conductive film 09 in sleeve 1, and passes through the sleeve About 12 two conductive layers on 1 are opposite to be placed, so that two conductive layers 12 and the welding 051 and conductive film 09 that protrude into Upper and lower two surfaces contact, and the contact area being capable of increasing between conductive film 09 and welding 051 and the conductive layer 12 is conducive to Electrical connection.
Wherein, without limitation to the spacing distance between two conductive layers 12, it is preferred that when the conductive layer 12 is two When, the spacing distance between two conductive layers 12 is 0.1-0.2mm.Spacing distance refers to adjacent two of two conductive layers 12 The distance between a side, as shown in figure 4, since two conductive layers 12 are to extend along the length direction of the flexible sleeve 11 Strip, therefore, the spacing distance between the two conductive layers 12 be two conductive layers 12 adjacent two long side it Between distance, long side refer to along the flexible sleeve 11 length direction extension side.Sleeve 1 can be shaped as flat cylindrical knot Structure, i.e., the surface of the flexible sleeve 11 where two conductive layers 12 be approximately it is planar, stretched convenient for welding 051 and conductive film 09 Enter in sleeve 1, and the contact area between conductive film 09 and welding 051 and the conductive layer 12 can be further increased.
Wherein, without limitation to the specific material of the flexible sleeve.As long as the softening temperature of the insulating materials is not less than 110 DEG C.
Wherein, it should be noted that in practical application, since whether the flexible sleeve 11 softens and the flexible sleeve 11 Material and thickness it is related, it is preferred, therefore, that the flexible sleeve is made of polyimides or polyetherimide;And/or it is soft Property sleeve 11 with a thickness of 15~25 μm, preferably 18~23 μm.Polyimides is the optimal organic polymer material of comprehensive performance One of material, high temperature resistant is up to 400 DEG C or more, and long-term use temperature range is -200~300 DEG C, and polyetherimide compares polyimides Resin heat resistance is slightly worse, but flexible higher.It using both materials, can be used for a long time at high temperature, so as to mention The service life of the high flexible sleeve, and in the above range by the thickness limit of the flexible sleeve 11, additionally it is possible to widen insulation The type of material, meanwhile, realize that slimming design is excessively high to avoid the surface of the protrusion electronic product in application and influences product Appearance.
Wherein, the mode on the inner surface of the flexible sleeve 11 is arranged in without limitation to the conductive layer 12, can passes through The mode that conductive material is deposited forms the conductive layer 12 in the inner surface of the flexible sleeve 11, can also pass through coating Mode conductive layer 12 is arranged on the inner surface of the flexible sleeve 11, conductive layer can also be pasted onto the flexibility by glue-line On the inner surface of sleeve 11.
In the another embodiment of the utility model, the inner surface of the flexible sleeve 11 is additionally provided with glue-line, and conductive layer 12 is set It sets on the inner surface of glue-line, glue-line is layer of silica gel, epoxy adhesive layer, acrylic acid glue-line or oxyphenisatin acetal glue-line.
Wherein, in actual fabrication, glue-line first can be coated in the inner surface of flexible sleeve 11, then conductive layer 12 is attached On glue-line, the connection of flexible sleeve 11 and conductive layer 12 is realized.
Preferably, which is layer of silica gel.Common silica gel high temperature resistant degree is between 200~300 DEG C.Such as two in short time Maximum temperature can reach 350 DEG C or so in a hour, and bonding strength is higher, be able to extend the service life of sleeve 1.
Wherein, the thickness of the glue-line can be 5 μm, 8 μm, 10 μm, 15 μm etc., be not specifically limited herein.Preferably, Layer of silica gel with a thickness of 5~15 μm, further preferably 6~12 μm, when the thickness of glue-line within this range when, can guarantee soft Bonding strength between property sleeve 11 and conductive layer 12, meanwhile, it is capable to avoid because glue-line is blocked up generate in extrusion process it is excessive Glue.
On the other hand, the utility model embodiment provides a kind of preparation method of sleeve as described above, referring to fig. 4 with figure 2, comprising: form conductive layer 12 on the first surface of flexible membrane layer 13, the flexible membrane layer 13 for being formed with the conductive layer 2 is rolled into Tubular, and the edges at two ends by the flexible membrane layer 13 along tubular circumferential direction connects, and forms the sleeve 1.
The utility model embodiment provides a kind of preparation method of sleeve, and the preparation method is simple, and molded soft Property sleeve 11 inner surface setting conductive layer 12 compared to easily operated.
On the other hand, the utility model embodiment provides a kind of electrical connection module, covers referring to Fig. 6, including as described above Cylinder 1;The first end of the sleeve 1 is protruded into first connector 2 and the second connector 3, the end of first connector 2, and second connects The second end of sleeve 1 is protruded into the end of fitting 3, and is electrically connected respectively with the conductive layer 12 on 1 inner surface of sleeve.
The utility model embodiment provides a kind of electrical connection module, by being arranged sleeve 1, energy in the outside of two connectors The electrical connection between two connectors is enough realized by sleeve 1, and two connectors can be protected.
In the another embodiment of the utility model, referring to Fig. 7, first connector 2 and the sleeve 1 are two;And two The end of a first connector 2 is respectively protruding into the first end of two sleeves 1, and the both ends of the second connector 3 are respectively protruding into two The second end of a sleeve 1.It equally can be realized the electrical connection between two solar panels 05.
In one embodiment of the utility model, which is welding, which is conductive film.It can It realizes being electrically connected between welding 051 and conductive film 09, and welding 051 and conductive film 09 can be protected, so as to Applied to the connection between sub- solar battery 05.
In the another embodiment of the utility model, first connector 2 and second connector 3 are welding.It can be real Electrical connection between existing welding 051, so as to the connection being applied between sub- solar battery 05.
On the other hand, the utility model embodiment provides a kind of electronic building brick, referring to Fig. 8 and Fig. 9, including at least two electricity Subcomponent 001;Electrical connection module 002 as described above;Wherein, adjacent two electronic components 001 pass through the electrical connection group Part 002 connects.
The utility model embodiment provides a kind of electronic building brick, and two electronic components 001 can pass through electrical connection module 002 Electrical connection.
Wherein, which can be any component for needing to be electrically connected.Preferably, the electronic component 001 be son too Positive energy battery.
Further, which further includes the energy-storage module and charging module of electrical connection, the energy-storage module and the son Solar battery electrical connection.
On the other hand, the utility model embodiment provides a kind of electronic product, including electronic building brick as described above.
The utility model embodiment provides a kind of electronic product, can be powered by the electronic building brick for electronic product.
Wherein, which can be chargeable knapsack, clothes, cap, electronic toy etc..
On the other hand, the utility model embodiment provides a kind of preparation method of solar battery, referring to Fig. 3, comprising: will Multiple sub- solar batteries 05 are electrically connected, and the mode of the electrical connection includes: by first in multiple sub- solar batteries 05 In the welding 051 of sub- solar battery 05, first sleeve 1, conductive film 09, second sleeve 1 and multiple sub- solar batteries 05 The welding 051 of second sub- solar battery 05 is sequentially connected electrically, and the first sleeve 1 and the second sleeve 2 are as described above The sleeve that sleeve or preparation method as described above are prepared.
The utility model embodiment provides a kind of preparation method of solar battery, by the preparation method, can be realized Welding 051, first sleeve 1, conductive film 09, second sleeve 1 and the second sub- solar battery 05 of first sub- solar battery 05 Welding 051 between electrical connection, due to being provided between the welding 051 and conductive film 09 of the first sub- solar battery 05 One sleeve 1 is provided with second sleeve 1 between the welding 051 and conductive film 09 of the second sub- solar battery 05, therefore, right When the edge of the first sub- solar battery 05 and the second sub- solar battery 05 is cut, the first sleeve 1 and this Two sleeves 1 can protect conductive film 09, cut out in the prior art to the edge of sub- solar battery to solve Cut the defect for being easy that damage is caused to folding conductive film.
In one preferred embodiment of the utility model, which includes: by the first sub- solar battery 05 welding protrudes into the first end of first sleeve 1, by the partial region of the second end of first sleeve 1 stretch out respectively this first Except sub- solar battery 05, the first end of conductive film 09 is protruded into the second end of the first sleeve 1, by the second sub- sun Can the welding of battery 05 protrude into the first end of second sleeve 1, and the partial region of the second end of second sleeve 1 is stretched out the Except two sub- solar batteries 05, so that the welding 051 of the first sub- solar battery 05 and the second sub- solar battery 05 Welding 051 realizes electrical connection by first sleeve 1, conductive film 09 and second sleeve 1 respectively.
In the another embodiment of the utility model, this method further include: to multiple sub- solar batteries of the electrical connection into Row encapsulation process;Encapsulation process includes blocking water film encapsulation process and front and back panel encapsulation process, and conductive film 09 is protruded into the The step of one sleeve 1 and second sleeve 1, occurs after the film encapsulation process that blocks water, before front and back panel encapsulation process;And it is hindering Before moisture film encapsulation process, conductive film 09 is replaced with into locating plate.
Due to blocking water, film encapsulation process is usually carried out under vacuum lamination, and front and back panel such as window cloth 07 or primary backing 01 Using thinner non-crosslinked type glue film, is also mismatched, can be sealed by the way of hot pressing using temperature and package temperature Dress, can encapsulated moulding in the short time under non-vacuum environment.
In the utility model embodiment, the film encapsulation process that blocks water and front and back panel encapsulation process can be respectively suitable Under the conditions of be packaged.Meanwhile in the utility model embodiment, by during blocking water film encapsulation process by each Conductive film 09 in sleeve 1 replaces with locating plate, on the one hand can prevent the second end position of first sleeve 1 and second sleeve 1 It is bonded in lamination process in the part on the first sub- solar battery 05 and the second sub- solar battery 05, it can be not The second end in the case where the water-resisting ability of reduction first sleeve 1 and second sleeve 1 in first sleeve 1 and second sleeve 1 stays Conductive channel out on the other hand, can be reserved in the second end of first sleeve 1 and second sleeve 1 after the completion of laminating packaging One jack 4 (as shown in Figure 10) being inserted into for conductive film 09, and directly by the insertion first sleeve and second sleeve of conductive film 09 It compares, can prevent from generating excessive glue on conductive film 09.
Wherein, it should be noted that multiple sub- solar batteries 05 film encapsulation process that block water is specifically included: referring to Fig. 1 lays the film 03, Huo Zhefen that blocks water coated with hot melt adhesive film 04 on opposite two surface of sub- solar battery 05 respectively It does not lay hot melt adhesive film 04 and the film 03 that blocks water successively, is packaged under vacuum lamination, wherein specific product is different, required Water-resisting ability it is also different, in the case where blocking water and requiring lower situation, can will wherein the one layer of film 03 that blocks water by common PET film generation It replaces, or the film 03 that blocks water can be replaced with to the film layer of other materials.
And front and back panel encapsulation process generally includes: each sub- solar battery referring to Fig. 1, after the completion of blocking water encapsulation 05 opposite two surface laying is coated with front and back panel (primary backing 01 as shown in Figure 1 and the primary backing use of hot melt adhesive film The cloth for being coated with relatively thin hot melt adhesive film can be directly used in hot melt adhesive film 02), or respectively successively laying hot melt adhesive film and Front and back panel carries out the encapsulation of front and back panel under lamination or hot pressing function.
Wherein, it should be noted that according to application difference, the membrane material laid can also be different, such as some Product also needs to lay anti-aging film layer, anti-fingerprint film layer (such as ETFE) on front and back panel, these film layers can be with front and back Panel passes through hot pressing together and is formed on two surfaces up and down of sub- solar battery 05.
In one preferred embodiment of the utility model, stretched after the step of blocking water film encapsulation process, by conductive film 09 Before the step of entering first sleeve 1 and second sleeve 1 further include: cut, and will stretch to the edge of sub- solar battery 05 The sleeve 1 except the first sub- solar battery and the second sub- solar battery is cut out, to remove the film encapsulation process that blocks water The excessive glue of middle generation.On the one hand it is capable of forming the sub- solar battery of neat in edge, on the other hand surface there can be excessive glue Sleeve 1 also cut off, further increase appearance.
Wherein, the conductive film 09, first sleeve and second sleeve 1 can be realized by the way of crimping (i.e. room temperature extruding) Electrical connection, can also realize electrical connection by the way of thermocompression bonding.
In one embodiment of the utility model, the first sleeve 1, conductive film 09 and second sleeve 1 are realized by thermocompression bonding Electrical connection, and the step of with the front and back panel encapsulation process it is synchronous progress.Connected by thermocompression bonding it is more reliable, and with front-back When plate (as shown in Figure 1 primary backing 01, window cloth 07) is formed on sub- solar battery synchronous progress by the way of hot pressing, It can be improved production efficiency.
In the another embodiment of the utility model, multiple sub- solar battery 05 is arranged in the form of an array, and this first Sub- solar battery 05 and the second sub- solar battery 05 are two adjacent sub- solar batteries.
It in practical applications, usually will be multiple when being attached to the sub- solar battery arranged in the form of an array The sub- solar battery 05 being located in same row in sub- solar battery 05 is sequentially connected in series into sub- solar battery group, and leads to It crosses after the sub- solar battery group 8 of each group is connected in parallel by busbar and exports.Therefore, adjacent two sub- solar batteries 05 can be with It, can also for the sub- solar battery adjacent with any two that any one height can be coupled in series in battery pack very much of connecting Think the adjacent sub- solar battery of any two connected in any two groups adjacent sub- solar battery groups with parallel form.
Wherein, without limitation to the specific structure of the conductive film 09, which can be conductive sheet, or lead Line.
In one embodiment of the utility model, referring to Figure 11, Figure 12 and Figure 13, which includes conductive sheet 091, is led Electric piece 091 includes the first surface and second surface being oppositely arranged, and is equipped in the first surface and second surface of conductive sheet 091 The thickness of insulating protective film 092, conductive sheet 091 is less than or equal to 12 μm.
In the utility model embodiment, insulating protective film is equipped in the first surface and second surface of conductive sheet 091 092, in this way, being formed the structure similar to flexible circuit board, the conductive sheet 11 in conductive film 1 in the utility model is suitable Insulating protective film 092 in the conductive layer in flexible circuit board, the utility model conductive film 09 is equivalent in flexible circuit board Overlay film, the empirical equation of the minimum radius bend R of the permission of flexible circuit board: R=(c/2) [(100-EB)/EB]-D, In, c be conductive layer thickness, unit be μm, D be overlay film thickness, unit μm, EB be conductive layer maximum allowable deflection, With reference to the empirical equation, experiments verify that, in the conductive film 09 of the utility model, conductive layer is thinner, and the permission of conductive film is most Small radius bend is smaller, and fold resistant ability is bigger, therefore the thickness of the fold resistant ability of conductive film 09 and conductive sheet 091 is in negative It closes, in the prior art, is limited by the application field and industry technique of flexible circuit board, flexible circuit board is usually only with thickness The conductive layer that degree is 12 μm or more, and since the thickness of conductive sheet 091 in the conductive film of the utility model 09 is less than or equal to 12 μ M, and conductive film only plays the role of electrical connection, without carrying out microetch, brownification and Darkening process on conductive sheet, therefore compares Smaller in the permission minimum radius bend of flexible circuit board in the prior art, the utility model conductive film, folding resistance can be compared with It is excellent.Moreover, verified through crease-flex test, the conductive film 09 of the utility model be able to bear 3000 times or more, even 10000 times with Above, more even 15000 times or more foldings.Such as conductive sheet 091 with a thickness of 12 μm, minimum radius bend 0~1mm it Between when, be able to bear 3000 foldings, conductive sheet 091 with a thickness of 6 μm, minimum radius bend between 0~1mm when, very To the folding for being able to bear 15000 times or more, and unbearable 1000 foldings of existing braiding copper strips, therefore this is practical new The braiding copper strips of the folding resistance of type conductive film than in the prior art is big, and conductive sheet 091 is flat configuration, compiles without overlapping It knits, therefore the slimming design that can be realized conductive film 09 can be improved thus when the conductive film is applied to electronic product The folding feel of electronic product.
It should be noted that the conductive film 09 of the utility model can be band-like, rectangle planar, round planar etc., This is not specifically limited.
In the embodiment shown in Figure 11, Figure 12 and Figure 13, insulating protective film 092 is for insulating to conductive sheet 091 Protection, which can only include layer of material, also may include multilayer material, be not specifically limited herein.When When insulating protective film 092 only includes layer of material, which can be arranged by techniques such as lamination, hot pressing, coatings In on conductive sheet 091;When insulating protective film 092 includes multilayer material, it is preferred that insulating protective film 092 can be made as Fig. 4 Shown structure, that is, insulating protective film 092 includes the insulating protective film master being cascading along the direction close to conductive sheet 091 Body 0921, the first glue-line 0922, in this way, insulating protective film 092 can be bonded in one with conductive sheet 091 by the first glue-line 0922 It rises, the bonding strength between insulating protective film 092 and conductive sheet 091 is higher.
In the embodiment shown in fig. 12, insulating protective film main body 0921 can for polyimide film, polyetherimde films, Polyester film, polyethylene film, PVDF membrane, polytetrafluoroethylene film etc., are not specifically limited herein.Preferably, as schemed Shown in 11, insulating protective film main body 0921 is polyimide film or polyetherimde films, polyimide film and polyetherimde films Electrical insulating property it is more excellent, preferable insulation protection can be played to conductive sheet 091.
In the embodiment shown in fig. 12, the thickness of insulating protective film main body 0921 can be 10 μm, 20 μm, 30 μm etc. Deng being not specifically limited herein.Preferably, the thickness of insulating protective film main body 0921 can be 15~25 μm, further preferably , insulating protective film main body 0921 with a thickness of 18~23 μm, when the thickness of insulating protective film main body 0921 within this range when, Insulating protective film main body 0921 can play preferably insulation protection to conductive sheet 091, meanwhile, it is advantageously implemented conductive film 09 slimming design forms convex closure on the surface of electronic product when being applied to electronic product to avoid conductive film 1 and influences electricity The appearance of sub- product.
In the embodiment shown in fig. 12, the first glue-line 0922 can be layer of silica gel, epoxy adhesive layer (modified Epoxy), acrylic acid glue-line (acrylic) or oxyphenisatin acetal glue-line (Phenolic Butyrals) etc., do not do have herein Body limits.Preferably, as shown in figure 12, the first glue-line 0922 is layer of silica gel, and the flexibility and photostability of silica gel are preferable, therefore It can be improved the folding resistance of conductive film 09 and fold feel, while conductive film 09 being made to can be applied to such as solar power generation production Product etc. work in the electronic product under high luminous environment.It is further preferred that the first glue-line 0922 is that the temperature that is able to bear is big It can be connected by laminating technology in this way, the high-temperature stability of the first glue-line 0922 is preferable in or equal to 160 DEG C of layer of silica gel It is connected in electronic product, or preferred, the first glue-line 0922 is that the temperature being able to bear is more than or equal to 200 DEG C of silica gel Layer, in this way, the high-temperature stability of the first glue-line 0922 is preferable, can be connected in electronic product by heat pressing process.
In the embodiment shown in fig. 12, the thickness of the first glue-line 0922 can for 5~7 μm, 8~10 μm, 10~15 μm, It 6~15 μm etc., is not specifically limited herein.Preferably, the first glue-line 0922 with a thickness of 5~15 μm, it is further preferred that First glue-line 0922 with a thickness of 6~12 μm, when the thickness of the first glue-line 0922 within this range when, can guarantee insulation protection Bonding strength between film 092 and conductive sheet 091, meanwhile, it is capable to avoid due to the first glue-line 0922 is blocked up in extrusion process Generate largely excessive glue.
In the embodiment shown in fig. 12, the thickness with a thickness of insulating protective film main body 0921 of insulating protective film 092 with The sum of the thickness of first glue-line 0922, it is preferred that insulating protective film 092 with a thickness of 20~40 μm, it is further preferred that insulation Protective film 092 with a thickness of 24~35 μm, with reference to the empirical equation of the minimum radius bend R of permission of above-mentioned flexible circuit board, warp The thickness of experimental verification, insulating protective film 092 is bigger, allows minimum radius bend smaller, the fold resistant ability of conductive film 09 is got over Greatly, therefore the thickness of the fold resistant ability of conductive film 09 and insulating protective film 092 is positively correlated, when the thickness of insulating protective film 092 When spending within this range, the folding resistance that can take into account conductive film 09 can and be thinned design requirement.
In the embodiment shown in Figure 11 or Figure 14, the structure of conductive sheet 091 may include following two embodiment:
The first embodiment: conductive sheet 091 only includes conductive sheet main body 0911.This structure is simple, is easy production, is inciting somebody to action When the conductive sheet main body 0911 is welded in electronic product, tin cream can be coated in welding position, plating applies tin solder or tin bismuth Solder etc., conductive sheet 091 is welded in electronic product.
Second of embodiment: conductive sheet 091 includes conductive sheet main body 0911 and is covered in the conductive sheet main body 0911 Solder layer 0912 on opposite two surfaces.In this way, being convenient for the welding of conductive sheet main body 0911, while can be to conductive sheet main body 0911 carries out corrosion protection.
In the first above-mentioned embodiment and second of embodiment, conductive sheet main body 0911 can be copper foil or copper Content is 99wt% or more alcu alloy film.Wherein, copper foil can be electrolytic copper foil, rolled copper foil or high ductibility rolled copper foil (that is to say HA copper foil), it is preferred that copper foil is HA copper foil, and compared to cathode copper and calendering copper, the ductility of HA copper foil is preferable, energy Enough improve the folding resistance energy of conductive film;Additionally, it is preferred that alcu alloy film is that gun-metal piece, phosphor copper piece or phosphor tin copper close Gold plaque, preferably, ductility is more excellent, can further increase conduction for the elasticity of gun-metal, phosphor copper and phosphor tin copper alloy The folding resistance of film.In addition, solder layer 0912 can be tin layers, sn-bi alloy layer, leypewter layer etc., specific limit is not done herein It is fixed.Preferably, solder layer 0912 is tin layers or sn-bi alloy layer, and tin and sn-bi alloy are common solder, easy to accomplish, and is welded It is more excellent to connect performance.
In the embodiment shown in Figure 11 or Figure 14, the thickness of conductive sheet 091 can be 6~12 μm, 7~10 μm, 8~12 μm etc., it is not specifically limited herein.Preferably, conductive sheet 091 with a thickness of 6~12 μm, the thickness of conductive sheet 091 is in this model When enclosing interior, the folding resistance energy and difficulty of processing of conductive film can be taken into account, while the slimming for being advantageously implemented conductive film 09 is set It counts and forms convex closure on the surface of electronic product when being applied to electronic product to avoid conductive film 09 and influence the outer of electronic product It sees.
In the embodiment shown in fig. 14, the thickness of solder layer 0912 can be 0.2~1.2 μm, 0.4~0.8 μm, 0.8 It~1 μm, is not specifically limited herein.Preferably, the thickness of solder layer 0912 is less than or equal to 1.2 μm, it is further preferred that weldering The bed of material 0912 with a thickness of 0.8~1 μm, solder layer 0912 can be realized effective welding in this thickness range, while can protect Demonstrate,prove the structural strength of conductive sheet 091.
In the embodiment shown in fig. 14, solder layer 0912 can using plating, vacuum coating, starching handle etc. techniques at Type is not specifically limited herein in conductive sheet main body 0911.
The side electric leakage of conductive film 09 in order to prevent, it is preferred that conductive film 09 can be made as knot shown in Figure 11 and Figure 13 Structure, that is, for conductive film 09 in band-like, conductive sheet 091 is stretched out at both ends of the insulating protective film 092 in the width direction of conductive film 09 Edge outside, and two insulating protective films 092 being respectively arranged in the first surface and second surface of conductive sheet 091 are along conduction The corresponding fitting in both ends in the width direction of film 09, in this way, just preventing the side of conductive film 09 to leak by insulating protective film 092 Electricity.
For the ease of conductive film 09 is connected in electronic product, it is preferred that as is illustrated by figs. 11 and 12, conductive film is in band Shape, along the length direction of conductive film, the both ends at least one surface in the first surface and second surface of conductive sheet 091 are naked It is exposed to outside insulating protective film 092.In this way, the exposed region at both ends of the conductive sheet 091 on the length direction of conductive film 09 is Thus welding region is convenient for for conductive film 09 being connected in electronic product.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (15)

1. a kind of sleeve characterized by comprising
Flexible sleeve;The flexible sleeve is made of insulating material, and the softening temperature of the insulating materials is not less than 110 DEG C, Preferably not less than 130 DEG C, further much more desirably not less than 160 DEG C are still more preferably not less than 200 DEG C;
Conductive layer, the conductive layer are arranged on the inner surface of the flexible sleeve.
2. sleeve according to claim 1, which is characterized in that the conductive layer is the length direction along the flexible sleeve The vertical bar type conductive layer of extension.
3. sleeve according to claim 1 or 2, which is characterized in that the conductive layer is one, and the conductive layer is arranged On at least the 1/2 of flexible sleeve inner peripheral surface;Or
The conductive layer is two, and two conductive layers are sequentially arranged at intervals along the circumferential direction of the flexible sleeve, so that two A conductive layer is separately positioned on the opposite sides for the cavity that the flexible sleeve surrounds.
4. sleeve according to claim 3, which is characterized in that when conductive layer is two, between two conductive layers Spacing distance is 0.1-0.2mm.
5. sleeve according to claim 1, which is characterized in that
The flexible sleeve is made of polyimides or polyetherimide;And/or
The flexible sleeve with a thickness of 15~25 μm, preferably 18~23 μm.
6. sleeve according to claim 1, which is characterized in that
Glue-line is additionally provided on the inner surface of the flexible sleeve, the conductive layer is arranged on the inner surface of the glue-line, institute Stating glue-line is layer of silica gel, epoxy adhesive layer, acrylic acid glue-line or oxyphenisatin acetal glue-line.
7. sleeve according to claim 6, which is characterized in that
The glue-line with a thickness of 5~15 μm, preferably 6~12 μm.
8. sleeve according to claim 1, which is characterized in that the conductive layer includes conductive layer main body, or
The conductive layer includes conductive layer main body and the solder layer that is covered on the surface of the conductive layer main body,
The conductive layer main body be the copper foil alcu alloy film solder layer that perhaps copper content is 99wt% or more be tin layers or Sn-bi alloy layer, the alcu alloy film are preferably gun-metal piece, phosphor copper piece or phosphor tin alcu alloy film.
9. sleeve according to claim 8, which is characterized in that the thickness of the conductive layer is less than or equal to 12 μm, preferably It is 6~12 μm;And/or
The thickness of the solder layer is less than or equal to 1.2 μm, preferably 0.8~1 μm.
10. a kind of electrical connection module, comprising: such as the described in any item sleeves of claim 1-9, the first connector and the second connection Part;It is characterized by:
The first end of the sleeve is protruded into the end of first connector, and the set is protruded into the end of second connector The second end of cylinder, and be electrically connected respectively with the conductive layer in the sleeve interior surface.
11. electrical connection module according to claim 10, which is characterized in that
First connector is welding, and second connector is conductive film.
12. a kind of electronic building brick, which is characterized in that including at least two electronic components;
Electrical connection module as described in claim 10 or 11;
Wherein, two adjacent electronic components are connected by the electrical connection module.
13. electronic building brick according to claim 12, which is characterized in that the electronic component is solar battery.
14. electronic building brick according to claim 13, which is characterized in that the electronic building brick further includes the energy storage of electrical connection Module, the energy-storage module are electrically connected with the solar battery.
15. a kind of electronic product, which is characterized in that including electronic building brick described in any one of claim 12-14.
CN201820752949.0U 2018-05-18 2018-05-18 Sleeve, electrical connection module, electronic building brick and electronic product Active CN208507703U (en)

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Application Number Priority Date Filing Date Title
CN201820752949.0U CN208507703U (en) 2018-05-18 2018-05-18 Sleeve, electrical connection module, electronic building brick and electronic product

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110571295A (en) * 2018-05-18 2019-12-13 汉能移动能源控股集团有限公司 Sleeve and preparation method, electrical connection assembly, electronic assembly, electronic product and preparation method of solar cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110571295A (en) * 2018-05-18 2019-12-13 汉能移动能源控股集团有限公司 Sleeve and preparation method, electrical connection assembly, electronic assembly, electronic product and preparation method of solar cell

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