CN205810902U - Soft-package battery fixing device and soft-package battery module - Google Patents

Soft-package battery fixing device and soft-package battery module Download PDF

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Publication number
CN205810902U
CN205810902U CN201620536332.6U CN201620536332U CN205810902U CN 205810902 U CN205810902 U CN 205810902U CN 201620536332 U CN201620536332 U CN 201620536332U CN 205810902 U CN205810902 U CN 205810902U
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CN
China
Prior art keywords
soft
battery
plastic rubber
package battery
fixing
Prior art date
Application number
CN201620536332.6U
Other languages
Chinese (zh)
Inventor
吴红超
吴超
刘韶华
吴建沅
黄亚梦
Original Assignee
深圳市今朝时代股份有限公司
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Priority to CN201620536332.6U priority Critical patent/CN205810902U/en
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Publication of CN205810902U publication Critical patent/CN205810902U/en

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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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

Soft-package battery fixing device and soft-package battery module, described device includes two identical plastic rubber brackets and two pieces of identical metallic plates, and described metallic plate has the battery holding tank for accommodating soft-package battery;Described two pieces of identical metallic plates are individually secured on the plastic rubber bracket that said two is identical, form two identical battery mounting unit, and the battery mounting unit that said two is identical connects fixing relatively so that two battery holding tank docking of described two pieces of identical metallic plates form battery placed cavity;Described battery placed cavity for placing soft-package battery so that the soft-package battery in described soft-package battery fixing device and battery placed cavity collectively forms a soft-package battery unit.Described module is integrated by multiple soft-package battery unit, and each described soft-package battery unit includes described device and is positioned at the soft-package battery of battery placed cavity of described device.

Description

Soft-package battery fixing device and soft-package battery module
Technical field
This utility model relates to soft-package battery fixing device and soft-package battery module.
Background technology
The advantages such as soft-package battery has that running voltage is high, energy density high, has extended cycle life, memory-less effect, Become the first-selection of electrokinetic cell, particularly soft bag lithium ionic cell by its high security, high-energy-density and height The advantages such as motility, become the electrokinetic cell that current electric vehicle commonly uses.
Soft-package battery is typically flat, has lug in one end of battery or opposite end, and lug is the most also In flat.Soft-package battery typically uses aluminum plastic film to be shell, use heat pressing process by battery core part (positive pole, Negative pole and barrier film) it is encapsulated in aluminum plastic film.When, after soft-package battery molding, mid portion is typically necessarily The body part (battery core part) of thickness (within such as 10 millimeters), and all have by two panels plastic-aluminum in edge Film superposition and the edge part that formed, the width of edge part is typically at a cm.Edge part is on soft-package battery There is no Essential Action but the most eliminable part, and edge part is easily bent or tears, and even results in battery The damage of body.
The existence of soft-package battery edge part, that also gives soft-package battery brings inconvenience in groups.Soft-package battery becomes at present The method that group is typically used is: first the soft-package battery of some is placed in one and is shaped like box or case In the battery case of son, then the lug of soft-package battery is connected in series or in parallel.Electricity used in process The length of pond box and wide length and the width that have to be larger than soft-package battery, the degree of depth must be more than the thickness of multiple soft-package battery superpositions Degree, final total lug (collector) extends battery case, thus forms a soft-package battery module.
There is following defect in the soft-package battery module being made by said method: the 1) battery case used Size is bigger than the combination of multiple soft-package batteries, and the volume energy density of the soft-package battery module of formation is relatively low;2) Multiple soft-package batteries in battery case are usually superimposed, and do not have fixed mechanism each other, are using Cheng Zhong, owing to jolting or shaking, it may happen that relative displacement between soft-package battery, thus produces battery list Body or the extruding of lug or kinking so that the reliability of whole battery modules reduces.
For improving volume energy density, a kind of grouping method is: battery fixing bracket is densely arranged with soft-package battery, Soft-package battery is close to by support, stuffy room without ventilation between soft-package battery and support and between two supports.So power Battery modules is during high current charge-discharge, and inside battery can gather substantial amounts of heat, if heat is discharged not in time Then battery modules temperature drastically raises.Particularly high capacity cell module, usual thermal discharge is higher is more easy to heat accumulation Amount, thus causes thermal runaway, bring further battery release gas, smolder, the consequence of leakage, even result in Battery burns.On the other hand, through long-play, soft-package battery has a certain amount of expansion, so This expands volume to need space, otherwise causes stress to extrude, affects and even result in blast service life. Visible, Soft Roll electrokinetic cell accommodates the heat radiation of spatial design and the battery modules expanded and is particularly important.
Utility model content
Main purpose of the present utility model is to propose a kind of soft-package battery fixing device, to overcome use existing The volume energy density that the soft-package battery module that fixed support is made exists is relatively low, heat dispersion is poor and nothing Expand defects such as accommodating space.
The soft-package battery fixing device that this utility model is proposed by reaching above-mentioned purpose is as follows:
A kind of soft-package battery fixing device, including two identical plastic rubber brackets and two pieces of identical metallic plates, Described metallic plate has the battery holding tank for accommodating soft-package battery;Described two pieces of identical metallic plates are solid respectively On the fixed plastic rubber bracket identical to said two, form two identical battery mounting unit, and said two Identical battery mounting unit connects fixing relatively so that two batteries of described two pieces of identical metallic plates accommodate Groove docking forms battery placed cavity;Described battery placed cavity is used for placing soft-package battery so that described soft-package battery is solid Determine the soft-package battery in device and battery placed cavity and collectively form a soft-package battery unit.The technical program provides Soft-package battery fixing device, by using plastic rubber bracket to be connected with metallic plate and formed, not only design letter Single, and can flexible combination so that multiple soft-package battery unit are integrated into soft-package battery module, due to soft The part that bag battery completely attaches to is the metallic plate that heat conductivility is good, and plays support and the plastic cement of linking effect Support itself is owing to being the design of support rack type, and its structure is unlikely to stop distributing of heat so that whole described solid Determine device and can also have good radiating effect ensure that structure is tight, while high-energy-density.
Preferably, described plastic rubber bracket is the quadra of hollow, and quadra has upper and lower top margin and two Relative side, two of which relative side is symmetrically provided with auxiliary section and the use coordinated with described metallic plate In the fixed part of fixing described metallic plate, wherein the inwall of side is located in auxiliary section, and fixed part is located at outside side Wall;The limit, two opposite sides of described metallic plate is respectively equipped with installation portion, and described battery holding tank is placed in described plastic cement and props up The hollow space of frame is also supported by described auxiliary section, fixing with on described plastic rubber bracket of described installation portion Portion cooperates connection, to form described battery mounting unit.
Preferably, described auxiliary section is the step that the inwall of the described side of described plastic rubber bracket extends, and works as institute When stating the hollow space that battery holding tank is positioned at described plastic rubber bracket, described step supports described battery holding tank Bottom;Described fixed part is the projection on the outer wall of the described side of described plastic rubber bracket, and described installation portion is institute State the rectangular-shaped flanging that the described side of metallic plate extends, and have on rectangular-shaped flanging and mate with described projection Installing hole, described rectangular-shaped flanging withholds on the described side of described plastic rubber bracket, so that described protruding button Enter described installing hole, it is achieved described plastic rubber bracket is fixing with described metallic plate.The rectangular-shaped flanging of metallic plate has Cell heat is derived by effect ground.
Preferably, the described auxiliary section of described plastic rubber bracket is double-sided symmetrical, so that described plastic rubber bracket is two-sided All can fix described metallic plate;Meanwhile, described fixed part staggers formation not on the outer wall of the side of plastic rubber bracket Same two groups, one of which is for the fixing metallic plate being positioned at plastic rubber bracket one side, and another group is used for fixing being positioned at The metallic plate of plastic rubber bracket another side.So, multiple soft-package battery unit are being integrated into soft-package battery mould The when of group, just can share a plastic rubber bracket between two adjacent soft-package battery unit, what this shared moulds Glue support is two-sided each fixes a metallic plate, and it is soft that two-sided these fixed two pieces of metallic plates belong to adjacent two Bag battery unit.The energy density making whole soft-package battery module is higher, and heat dispersion is more preferable.
Preferably, the corner of described plastic rubber bracket respectively offers a through hole, is provided with metal inserted piece in each through hole, On each metal inserted piece, there is connecting hole, by the mutual snapping of the metal inserted piece of the correspondence position of two plastic rubber brackets, And by screw rod through described connecting hole, use nut to be fixed with by correspondence position on two plastic rubber brackets Metal inserted piece is attached fixing, thus it is fixing to realize relatively connecting of said two battery mounting unit.Logical Metal inserted piece in hole is also beneficial to the derivation of soft-package battery heat.
Preferably, on same plastic rubber bracket, two of which is in cornerwise convergence piece one side at plastic rubber bracket Protruding from described through hole and non-bulging in described through hole at another side, meanwhile, two other is in cornerwise rank Fitting protrudes from described through hole in described through hole at described another side the described one side of plastic rubber bracket is non-bulging. Fixing and the location that such design is easy between two plastic rubber brackets.
Preferably, the upper top of two relative sides of described plastic rubber bracket is respectively equipped with barb position, is used for Form fixed cover after soft-package battery module;Multiple lightening hole is all offered on each bar limit of described plastic rubber bracket. Lightening hole is simultaneously also beneficial to heat radiation.
Preferably, bottom and the edge of the battery holding tank of described metallic plate is provided with reinforcement.
This utility model the most also proposes a kind of soft-package battery module, integrated by multiple soft-package battery unit, each described Soft-package battery unit includes aforesaid soft-package battery fixing device and is positioned at described soft-package battery fixing device Soft-package battery in battery placed cavity.
Preferably, the joining place between adjacent two soft-package battery unit shares a plastic rubber bracket, and this shares The two-sided equal fixed metal plate of plastic rubber bracket;A soft-package battery is placed in the battery holding tank of every piece of metallic plate.This Sample can be avoided in use, had the battery of multiple pileup to cause battery each other in battery placed cavity Relative displacement, cause the reliability decrease of battery modules.
Accompanying drawing explanation
Fig. 1-1 is the schematic diagram of a soft-package battery unit;
Fig. 1-2 is the explosive view of the soft-package battery unit shown in Fig. 1-1;
Fig. 2-1 is the schematic perspective view of plastic rubber bracket;
Fig. 2-2 is the front view of the plastic rubber bracket of Fig. 2-1;
Fig. 2-3 is the enlarged diagram of local A in Fig. 2-1;
Fig. 2-4 is the enlarged diagram of local B in Fig. 2-1;
Fig. 2-5 is the enlarged diagram of Local C in Fig. 2-1;
Fig. 3 is the schematic perspective view of metallic plate;
Fig. 4 is the exploded perspective view of a two-sided fixed metal plate of plastic rubber bracket;
Fig. 5 is the schematic diagram of a soft-package battery module.
Detailed description of the invention
Below against accompanying drawing and combine preferred embodiment the utility model is described in further detail.
Detailed description of the invention of the present utility model provides a kind of soft-package battery fixing device, and with reference to Fig. 1-2, this is soft Bag cell fixing device includes the metallic plate 20 that two identical plastic rubber brackets 10 are identical with two pieces, metallic plate 20 There is the battery holding tank 22 for accommodating soft-package battery;These two pieces of identical metallic plates be individually secured to this two On individual identical plastic rubber bracket (i.e. one piece metallic plate and plastic rubber bracket is corresponding connect), formed two identical Battery mounting unit 30, and the identical battery mounting unit of said two connects fixing relatively so that institute Two the battery holding tank docking stating two pieces of identical metallic plates form battery placed cavity;Described battery placed cavity is used In placing soft-package battery 40 so that the soft-package battery in described soft-package battery fixing device and battery placed cavity is common Constitute a soft-package battery unit 100.Multiple soft-package battery unit can integrated soft-package battery module.
The soft-package battery fixing device of aforementioned offer, preferred scheme is, the battery holding tank of every piece of metallic plate sets Being calculated as corresponding with the size of a soft-package battery, the most each battery mounting unit places a soft-package battery, i.e. exists In one soft-package battery unit, there are in soft-package battery fixing device two soft-package batteries.By such Soft Roll electricity Pool unit carries out repeatability extension and arrangement, forms soft-package battery module.
In a kind of preferred embodiment, plastic rubber bracket 10 is the quadra of hollow, such as Fig. 2-1 and Fig. 2-2 Shown in, this quadra has 11,13 and two relative sides 12,14 of upper and lower top margin, two of which phase Auxiliary section 120,140 and the use coordinated with described metallic plate 20 it is symmetrically provided with on opposite side 12,14 In the fixed part of fixing described metallic plate 20, wherein the inwall of side is located in auxiliary section, and fixed part is located at side Outer wall.
A kind of specific example is that, with reference to Fig. 2-4, described fixed part is the side 12,14 of plastic rubber bracket 10 Outer wall on projection 121,122,123,124 ... (represent protruding quantity be not limited to four) herein; In Fig. 1-2, the concrete structure of metallic plate 20 is as it is shown on figure 3, be respectively equipped with peace on the limit, two opposite sides of metallic plate Dress portion 21 and 23, described battery holding tank is placed in the hollow space of described plastic rubber bracket 10 and joins described in passing through Conjunction portion 120,140 is supported, and installation portion 21,23 cooperates even with the fixed part on plastic rubber bracket 10 Connect, to form described battery mounting unit 30.
With reference to Fig. 3, described installation portion is the rectangular-shaped flanging that the described side of described metallic plate extends, and directly Having the installing hole mated with described projection on horn shape flanging, described rectangular-shaped flanging is withheld in described plastic rubber bracket Side on so that described projection buckles into described installing hole, it is achieved plastic rubber bracket is connected with the fixing of metallic plate.
In a kind of specific embodiment, as Figure 2-3, described auxiliary section 120,140 is plastic rubber bracket The step that extends of the inwall of side 12,14, when described battery holding tank is positioned in described plastic rubber bracket During empty part, described step supports the bottom of described battery holding tank.This auxiliary section the two-sided of plastic rubber bracket is Symmetrical, i.e. this step extended is positioned at the middle part of side inside wall so that plastic rubber bracket is two-sided all can fix gold Belonging to plate, meanwhile, described fixed part staggers on the outer wall of the side of plastic rubber bracket and forms different two groups, One of which is for the fixing metallic plate being positioned at plastic rubber bracket one side, and to be positioned at plastic rubber bracket another for fixing for another group The metallic plate of one side.
Such as, with reference to Fig. 2-4, described fixed part is that wedge shape is protruding, the projection 121~124 on side 12 outer wall According to the incline direction of wedge shape with whether be in a straight line and be divided into two groups, such as, it is positioned at the projection 122 of centre Being first group with 123, incline direction is consistent, is on a straight line parallel with side;It is positioned at the convex of two ends Playing 121 and 124 is second group, and incline direction and first group of projection are just contrary, are in another and put down with side On the straight line of row.And on side 14 outer wall, there is the projection symmetrical with side 12.So, one Individual plastic rubber bracket the most each on two sides can fix one piece of metallic plate.
In an additional preferred embodiment, as shown in Figure 2-5, the corner of described plastic rubber bracket 10 respectively offers One through hole 15, is provided with convergence piece 16 in each through hole 15, by the rank of the correspondence position of two plastic rubber brackets Fitting is connected with each other, it is possible to achieve relatively connecting of two battery mounting unit is fixing, is formed shown in Fig. 1-1 One soft-package battery unit.Described convergence piece 16 can be such as metal inserted piece, each metal inserted piece has even Connect hole, by the mutual snapping of the metal inserted piece of the correspondence position of two plastic rubber brackets, and adapted by size Screw rod passes connecting hole, then fixes with nut, to be carried out by the metal inserted piece of correspondence position on two plastic rubber brackets Connect fixing, thus it is fixing to realize relatively connecting of said two battery mounting unit.Preferably, same plastic cement On support, two of which is in cornerwise convergence piece and protrudes from described through hole and separately in the one side of plastic rubber bracket The most non-bulging in described through hole, meanwhile, two other is in cornerwise convergence piece described in plastic rubber bracket The most non-bulging protruding from described through hole in described through hole at described another side, so design can facilitate two Location when plastic rubber bracket is interconnected and fixed and slitless connection.
In a kind of preferred embodiment, as shown in Fig. 2-1 and Fig. 2-2, two of described plastic rubber bracket are relative The upper top of side is respectively equipped with barb position 17, for fixed cover after forming soft-package battery module.
In another preferred embodiment, such as Fig. 3, the bottom of the battery holding tank of described metallic plate is provided with reinforcement 25, edge can also be provided with reinforcement (not shown).
In another preferred embodiment, such as Fig. 2-3, each bar limit of described plastic rubber bracket all offers multiple subtracting Repeated hole 18.Lightening hole is simultaneously also beneficial to heat radiation.
In a preferred embodiment, rank between adjacent two soft-package battery unit in soft-package battery module Meet place and share a plastic rubber bracket, this two-sided equal fixed metal plate of plastic rubber bracket (referring to Fig. 4) shared. Form soft-package battery module as shown in Figure 5.
Above content is to combine concrete preferred implementation further detailed description of the utility model, It cannot be assumed that of the present utility model being embodied as is confined to these explanations.Technology belonging to this utility model is led For the technical staff in territory, without departing from the concept of the premise utility, it is also possible to make some equivalents and replace Generation or substantially modification, and performance or purposes are identical, all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. a soft-package battery fixing device, it is characterised in that: include two identical plastic rubber brackets and two pieces Identical metallic plate, described metallic plate has the battery holding tank for accommodating soft-package battery;Described two pieces identical Metallic plate be individually secured on the plastic rubber bracket that said two is identical, form two identical batteries and place single Unit, and the identical battery mounting unit of said two connects fixing relatively so that described two blocks of identical metals Two battery holding tank docking of plate form battery placed cavity;Described battery placed cavity be used for placing soft-package battery with The soft-package battery in described soft-package battery fixing device and battery placed cavity is made to collectively form a soft-package battery list Unit.
2. soft-package battery fixing device as claimed in claim 1, it is characterised in that: described plastic rubber bracket is The quadra of hollow, quadra has upper and lower top margin and two relative sides, two of which relative side On be symmetrically provided with the auxiliary section that coordinates with described metallic plate and for fixing the fixed part of described metallic plate, Wherein the inwall of side is located in auxiliary section, and fixed part is located at the outer wall of side;The limit, two opposite sides of described metallic plate Being respectively equipped with installation portion, described battery holding tank is placed in the hollow space of described plastic rubber bracket and by described cooperation Portion is supported, and described installation portion cooperates with the fixed part on described plastic rubber bracket and is connected, described to be formed Battery mounting unit.
3. soft-package battery fixing device as claimed in claim 2, it is characterised in that: described auxiliary section is institute The step that the inwall of the described side stating plastic rubber bracket extends, props up when described battery holding tank is positioned at described plastic cement During the hollow space of frame, described step supports the bottom of described battery holding tank;
Described fixed part is the projection on the outer wall of the described side of described plastic rubber bracket, and described installation portion is described The rectangular-shaped flanging that the described side of metallic plate extends, and have on rectangular-shaped flanging and mate with described projection Installing hole, described rectangular-shaped flanging is withheld on the described side of described plastic rubber bracket, so that described projection buckles into Described installing hole, it is achieved described plastic rubber bracket is fixing with described metallic plate.
4. soft-package battery fixing device as claimed in claim 3, it is characterised in that: described plastic rubber bracket Described auxiliary section is double-sided symmetrical, so that described plastic rubber bracket is two-sided all can fix described metallic plate;Meanwhile, Described fixed part staggers on the outer wall of the side of plastic rubber bracket and forms different two groups, and one of which is used for fixing Being positioned at the metallic plate of plastic rubber bracket one side, another group is for the fixing metallic plate being positioned at plastic rubber bracket another side.
5. soft-package battery fixing device as claimed in claim 4, it is characterised in that: described plastic rubber bracket Corner respectively offers a through hole, is provided with metal inserted piece, each metal inserted piece has connecting hole in each through hole, By the mutual snapping of the metal inserted piece of the correspondence position of two plastic rubber brackets, and by screw rod through described connection Hole, uses nut to be fixed to be attached fixing by the metal inserted piece of correspondence position on two plastic rubber brackets, Thus it is fixing to realize relatively connecting of said two battery mounting unit.
6. soft-package battery fixing device as claimed in claim 5, it is characterised in that: on same plastic rubber bracket, Two of which be in cornerwise convergence piece the one side of plastic rubber bracket protrude from described through hole and at another side not Protrude from described through hole, meanwhile, two other be in cornerwise convergence piece plastic rubber bracket described one side not Protrude from described through hole and protrude from described through hole at described another side.
7. soft-package battery fixing device as claimed in claim 2, it is characterised in that: described plastic rubber bracket Article two, the upper top of relative side is respectively equipped with barb position, for fixing after forming soft-package battery module Lid;Multiple lightening hole is all offered on each bar limit of described plastic rubber bracket.
8. soft-package battery fixing device as claimed in claim 1, it is characterised in that: the electricity of described metallic plate Bottom and the edge of pond holding tank are provided with reinforcement.
9. a soft-package battery module, it is characterised in that: integrated by multiple soft-package battery unit, each described soft Bag battery unit includes the soft-package battery fixing device as described in any one of claim 1 to 8 and as described in being positioned at Soft-package battery in the battery placed cavity of soft-package battery fixing device.
10. soft-package battery module as claimed in claim 9, it is characterised in that: adjacent two soft-package battery lists Joining place between unit shares a plastic rubber bracket, this two-sided equal fixed metal plate of plastic rubber bracket shared;Every piece A soft-package battery is placed in the battery holding tank of metallic plate.
CN201620536332.6U 2016-06-03 2016-06-03 Soft-package battery fixing device and soft-package battery module CN205810902U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106981679A (en) * 2016-12-16 2017-07-25 浙江超威创元实业有限公司 A kind of soft pack cell module group assembling structure and its assemble method
WO2019015026A1 (en) * 2017-07-21 2019-01-24 中车青岛四方车辆研究所有限公司 Encapsulated flexibly packaged capacitor module and system
CN109935937A (en) * 2019-01-04 2019-06-25 万向一二三股份公司 A kind of battery modules cellular construction of adjustable thermal resistance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106981679A (en) * 2016-12-16 2017-07-25 浙江超威创元实业有限公司 A kind of soft pack cell module group assembling structure and its assemble method
WO2019015026A1 (en) * 2017-07-21 2019-01-24 中车青岛四方车辆研究所有限公司 Encapsulated flexibly packaged capacitor module and system
RU2728543C1 (en) * 2017-07-21 2020-07-30 СиЭрЭрСи ЦИНДАО СЫФАН РОЛЛИН СТОК РИСЁРЧ ИНСТИТЬЮТ КО., ЛТД. Flexible assembled capacitor module with a solid casing and a system
US10825615B2 (en) 2017-07-21 2020-11-03 Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. Hard-shell flexibly-packaged capacitor module and system
CN109935937A (en) * 2019-01-04 2019-06-25 万向一二三股份公司 A kind of battery modules cellular construction of adjustable thermal resistance

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