CN220640644U - Battery packaging box - Google Patents

Abstract

The application discloses battery packaging box includes: at least one packaging layer, the packaging layer comprising: a fixing plate; the mounting plate is arranged on the side part of the fixed plate in the first direction and is connected with the fixed plate through a locking piece, the mounting plate is provided with a jack, the jack penetrates through the mounting plate in the first direction, and the jack is used for mounting a battery cell; the film is arranged between the fixing plate and the mounting plate, and is suitable for being abutted with the battery monomer in the jack. In the technical scheme of this application embodiment, through setting up the packaging layer that has fixed plate, mounting panel and film, can reduce the appearance that rubs blackening and blushing etc. is unusual in the battery monomer transportation, can reduce the impaired probability of fixed plate and mounting panel simultaneously, reduce transportation wearing and tearing, piece impurity etc. improve the life of fixed plate and mounting panel, realize the repeatedly usable of fixed plate and mounting panel.

Description

Battery packaging box

Technical Field

The application relates to the field of batteries, in particular to a battery packaging box.

Background

Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.

In battery transportation, friction is easy to occur with packaging materials, and further packaging abrasion and abnormal appearance of battery monomers are easy to occur.

Disclosure of Invention

In view of the above, the present application provides a battery packaging box, which can alleviate the problems of package abrasion and abnormal appearance of battery cells.

The application provides a battery packaging box, include: at least one packaging layer, the packaging layer comprising: a fixing plate; the mounting plate is arranged on the side part of the fixed plate in the first direction and is connected with the fixed plate through a locking piece, the mounting plate is provided with a jack, the jack penetrates through the mounting plate in the first direction, and the jack is used for mounting a battery cell; the film is arranged between the fixing plate and the mounting plate, and is suitable for being abutted with the battery monomer in the jack.

In the technical scheme of this application embodiment, through setting up the packaging layer that has fixed plate, mounting panel and film, can reduce the appearance that rubs blackening and blushing etc. is unusual in the battery monomer transportation, can reduce the impaired probability of fixed plate and mounting panel simultaneously, reduce transportation wearing and tearing, piece impurity etc. improve the life of fixed plate and mounting panel, realize the repeatedly usable of fixed plate and mounting panel.

In some embodiments, the side of the membrane facing the mounting plate is coated with an adhesive layer. In the technical scheme, the film can be bonded and matched with the battery monomer, so that the battery monomer can be further fixed, even friction is generated in the transportation process, the film and the battery monomer are bonded, the film and the battery monomer rub together, the battery monomer can only generate certain abrasion to the film, the friction probability between the battery monomer and other structural members can be reduced, the battery monomer can be effectively protected, and the service life of other structural members is prolonged.

In some embodiments, the fixing plate has a through hole penetrating the fixing plate in a first direction, a cross-sectional dimension of the through hole being smaller than a cross-sectional dimension of the insertion hole. According to the technical scheme, through the through holes formed in the fixing plate, on one hand, the weight of the fixing plate can be reduced, the weight of the whole packaging box is reduced, a light-weight package is formed, and the carrying operation is convenient; on the other hand, through the through holes, the through holes can absorb and disperse collision energy, so that a collision buffer effect can be provided to a certain extent in transportation, and the impact force on the battery cells is relieved when collision or impact occurs, so that the battery cells are protected from damage; in addition, the through holes can also play a role in ventilation and ventilation, so that the problems of moisture absorption of the battery monomers and the like are reduced.

In some embodiments, the jacks include a plurality of jacks extending along a second direction, the plurality of jacks being arranged at intervals along the second direction and/or a third direction, and the second direction and the third direction are perpendicular to each other and the first direction are perpendicular to each other. In the technical scheme, the design of the jack is matched with the shape of the battery monomer on one hand, and the space of the mounting plate is fully utilized on the other hand, so that the accommodating amount of the battery monomer in the battery packaging box is increased.

In some embodiments, the membrane has a connection hole through which the locking member passes and is connected with the mounting plate and the fixing plate. In the technical scheme, each packaging layer can be fixed through a plurality of structures through the locking piece, and the reliability of connection of each packaging layer is improved.

In some embodiments, the locking member comprises a lock rod, a lock head and a lock catch, wherein the lock head and the lock catch are positioned at two ends of the lock rod, the lock head and the lock catch respectively protrude out of the periphery of the lock rod, the lock rod penetrates through at least one part of the fixed plate and at least one part of the mounting plate, the lock head is suitable for being matched with one of the fixed plate and the mounting plate, and the lock catch is suitable for being matched and connected with the other one of the fixed plate and the mounting plate. In the technical scheme, the locking piece is used for realizing the assembly among all the structures, and the installation is convenient.

In some embodiments, the fixing plate has a first fixing hole, the mounting plate has a second fixing hole, the first fixing hole and the second fixing hole respectively comprise a first hole section and a second hole section, the aperture of the first hole section is smaller than that of the second hole section, the lock rod is suitable for being matched with the first hole section, and the lock head and the lock catch are suitable for being matched with the two second hole sections respectively. In the above technical scheme, through carrying out above-mentioned design to two fixed orificess for can hide inside the packaging layer after the locking piece installation, and can not bulge the surface of mounting panel and fixed plate, avoid the interference problem that the locking piece exposes to a certain extent and lead to from this, the packaging layer looks pleasing to the eye, the handling operation of being convenient for is convenient for simultaneously the range upon range of arrangement of a plurality of packaging layers.

In some embodiments, the lock catch comprises two lock catches arranged at intervals, a yielding space is arranged between the two lock catches, and one end of the lock rod, which is close to the lock catch, is provided with a notch communicated with the yielding space. In the technical scheme, the lock catch moves in the yielding space, so that the locking piece can be separated from the fixing hole on the basis of reducing damage to the mounting plate and the fixing plate, the locking piece can be detached for reuse, and the mounting plate and the fixing plate can be detached for reuse.

In some embodiments, the mounting plate and the securing plate are each foam pieces. In the technical scheme, the light-weight design of the packaging layer can be realized by adopting the foam material piece, meanwhile, the foam material has good energy absorption and vibration absorption performance on impact and vibration, and can effectively protect the battery cell from being damaged.

In some embodiments, the mounting plate comprises at least one of EPS, EPO, EPP; the material of the fixing plate comprises at least one of EPS, EPO, EPP. In the above-mentioned technical scheme, the method comprises the steps of,

in some embodiments, the film is a plastic film. In the above technical scheme, through adopting above-mentioned material, can satisfy the lightweight design demand of packaging layer, can absorb energy to impact and vibration simultaneously, play the cushioning effect, can protect battery monomer effectively and avoid damaging, in addition for mounting panel and fixed plate easily make the shaping, can use the mould shaping for the precision is controllable, can satisfy the demand of automated manufacturing.

In some embodiments, the packaging layer comprises a top packaging layer comprising one of the securing plates and one of the mounting plates, the mounting plate being located below the securing plate. In the technical scheme, the top packaging layer is formed by assembling the fixing plate, the mounting plate and the film, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomers can be reduced, the damage probability of the fixing plate and the mounting plate can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box can be reduced, the manufacturing cost can be reduced, and the repeated use of the fixing plate and the mounting plate can be realized.

In some embodiments, the packaging layer comprises a bottom packaging layer comprising one of the securing plates and one of the mounting plates, the mounting plate being located on an upper portion of the securing plate. In the technical scheme, the bottom packaging layer is formed by assembling the fixing plate, the mounting plate and the film, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomers can be reduced, the damage probability of the fixing plate and the mounting plate can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box can be reduced, the manufacturing cost can be reduced, and the repeated use of the fixing plate and the mounting plate can be realized.

In some embodiments, the packaging layer comprises a middle packaging layer comprising one of the fixing plate and two of the mounting plates, the two mounting plates being located on upper and lower sides of the fixing plate. In the technical scheme, the middle packaging layer is formed by assembling the fixing plate, the mounting plate and the film, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomers can be reduced, the damage probability of the fixing plate and the mounting plate can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box can be reduced, the manufacturing cost can be reduced, and the repeated use of the fixing plate and the mounting plate can be realized.

In some embodiments, further comprising: the shell comprises two cover bodies and coaming plates, the two cover bodies are oppositely arranged, the packaging layer is arranged between the two cover bodies, and the coaming plates are sleeved on the outer side of the packaging layer. In the technical scheme, the shell plays a further protective role on the packaging layer, and the packaging effect of the battery packaging box is improved.

In some embodiments, the outer shell is a paper shell. In the technical scheme, the light-weight package is formed by adopting the paper material, so that the carrying operation is convenient; meanwhile, the manufacturing cost can be reduced, the requirement of mass production is met, and the paper shell is favorable for recycling.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a schematic view of a packaging layer according to some embodiments of the present application;

FIG. 2 is a schematic view of a packaging layer according to further embodiments of the present application;

FIG. 3 is a schematic view of a packaging layer according to further embodiments of the present application;

FIG. 4 is a schematic view of a locking element according to some embodiments of the present application;

fig. 5 is a schematic view of a battery pack according to some embodiments of the present application.

Reference numerals:

the battery pack 1000, the battery cell 2000,

packaging layer 100, top packaging layer 101, middle packaging layer 102, bottom packaging layer 103,

The fixing plate 10, the through hole 11, the first fixing hole 12,

a mounting plate 20, a jack 21, a second fixing hole 22,

the thin film (30),

locking member 40, locking lever 41, notch 411, locking head 42, shackle 43, relief space 44,

cover 200, shroud 300, tray 400.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The term "and/or" in this application is merely an association relation describing an associated object, and indicates that three relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In this application, the character "/" generally indicates that the associated object is an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and in the interest of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are illustrative only and should not be construed as limiting the present application in any way.

The term "plurality" as used herein refers to more than two (including two).

In this application, a battery refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. Some batteries may include a case for enclosing one or more battery cells or a plurality of battery modules. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells. Of course, some batteries may be provided directly in the battery mounting compartment of the power utilization device without the above-described case.

In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited by the embodiment of the present application. The battery cells may be cylindrical, flat, rectangular, or otherwise shaped, as well as the embodiments herein are not limited in this regard. The battery cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft pack battery cell are not limited thereto.

For example, the battery cell may include a case for accommodating the electrode assembly and the electrolyte, the electrode assembly, and the electrolyte. The electrode assembly consists of a positive electrode plate, a negative electrode plate and a separation film. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the positive electrode current collector without the positive electrode active material layer protrudes out of the positive electrode current collector coated with the positive electrode active material layer, and the positive electrode current collector without the positive electrode active material layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like.

The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the negative electrode current collector without the negative electrode active material layer protrudes out of the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector without the negative electrode active material layer is used as a negative electrode tab. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. In order to ensure that the high current is passed without fusing, the number of positive electrode lugs is multiple and stacked together, and the number of negative electrode lugs is multiple and stacked together.

The material of the separator may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may be a wound structure or a lamination structure, and the embodiment of the present application is not limited thereto.

The battery cell can be provided with a pole post and the like which are connected with the pole lug to serve as an electric connection part of the battery cell. And the pressure release part is used for releasing substances (such as gas, liquid, particulate matters and the like) in the battery monomer when the internal pressure of the battery monomer is too large (such as thermal runaway) so as to reduce the internal pressure of the battery monomer and avoid dangerous accidents such as explosion of the battery monomer caused by excessively fast pressurization in the battery monomer. For example, the pressure relief portion may be an explosion-proof valve, an explosion-proof piece, or the like.

In the transportation process of the battery monomer, the shell of the battery monomer can rub with the packaging material, so that the outer surface of the battery monomer is easy to generate abnormal appearance such as friction blackening, blushing and the like, and the problem of aggravation of oxidization can exist in a high-temperature and high-humidity environment; in addition, some battery cells with a top patch may rub against the package during transportation, resulting in wear of the package and the appearance of debris and other impurities.

To this end, the present application proposes a battery pack 1000 comprising: at least one packaging layer 100, the packaging layer 100 comprising: the fixing plate 10, the mounting plate 20 and the film 30, the mounting plate 20 sets up in the lateral part of fixing plate 10 in the first direction, and mounting plate 20 and fixing plate 10 pass through locking piece 40 to be connected, and mounting plate 20 has jack 21, and jack 21 runs through mounting plate 20 in the first direction, and jack 21 is used for installing battery cell 2000, and film 30 sets up between fixing plate 10 and mounting plate 20, and film 30 can with installing the battery cell 2000 butt in jack 21.

In the battery pack 1000 of the above-described structure, by providing the pack layer 100 having the fixing plate 10, the mounting plate 20 and the film 30, it is possible to reduce the occurrence of abnormal appearance such as blackening by friction and whitening in the course of transportation of the battery cell 100, and at the same time, it is possible to reduce the probability of damage to the fixing plate 10 and the mounting plate 20, reduce transportation wear, debris impurities, etc., improve the service lives of the fixing plate 10 and the mounting plate 20, and realize the reusability of the fixing plate 10 and the mounting plate 20.

The battery packaging box disclosed by the embodiment of the application can be used for packaging, transporting and using square batteries and columnar batteries, but is not limited to the square batteries and the columnar batteries, so that the reliability in transportation is improved.

Next, a battery pack 1000 according to an embodiment of the present application is described with reference to the accompanying drawings.

As shown in fig. 1 to 5, a battery pack 1000 according to an embodiment of the present application includes: at least one packaging layer 100, the packaging layer 100 comprising: the fixing plate 10, the mounting plate 20 and the film 30, the mounting plate 20 sets up in the lateral part of fixing plate 10 in the first direction, and mounting plate 20 and fixing plate 10 pass through locking piece 40 to be connected, and mounting plate 20 has jack 21, and jack 21 runs through mounting plate 20 in the first direction, and jack 21 is used for installing battery cell 2000, and film 30 sets up between fixing plate 10 and mounting plate 20, and film 30 can with installing the battery cell 2000 butt in jack 21.

As shown in fig. 1-5, package 1000 has one or more package layers 100, each package layer 100 including a securing panel 10, a mounting panel 20, and a film 30.

The mounting plate 20 is disposed on a side portion of the fixing plate 10 in the vertical direction as shown in fig. 1, and may be disposed on an upper side of the fixing plate 10, or disposed on a lower side of the fixing plate 10, or disposed on both sides of the fixing plate 10, and the mounting plate 20 and the fixing plate 10 are connected by a locking member 40, and the connection manner may be a clamping connection, an inserting connection, an interference fit, or the like.

The mounting plate 20 is provided with a jack 21, and the battery monomer 2000 can be inserted into the jack 21, wherein the shape and the size of the jack 21 are matched with those of the battery monomer 2000, namely, when the battery monomer 2000 is a square battery, the jack 21 is a square column hole, and when the battery monomer 2000 is a column battery, the jack 21 is a column hole; each of the insertion holes 21 may be inserted with one of the battery cells 2000, and the mounting plate 20 may have a plurality of insertion holes 21, thereby inserting a plurality of battery cells 2000, so that the plurality of battery cells 2000 are spaced apart, and the probability of collision friction between adjacent battery cells 2000 is reduced.

The film 30 is arranged between the fixing plate 10 and the mounting plate 20, the film 30 is clamped between the fixing plate 10 and the mounting plate 20 through the cooperation of the fixing plate 10 and the mounting plate 20, so that a packaging layer 100 is formed, the battery cell 2000 can be mounted in the jack 21 of the mounting plate 20, meanwhile, the end part of the battery cell 2000 can be abutted against the film 30, so that the packaging of the battery cell 2000 by the packaging layer 100 is realized, namely, the packaging layer 100 is split into three structures of the fixing plate 10, the mounting plate 20 and the film 30, and the packaging of the battery cell 2000 is assembled through the combination of the three structures and the locking cooperation of the locking piece 40; and through adjusting the positional relationship of fixed plate 10 and mounting panel 20, can form different packaging layer 100, expand the type of packaging layer 100, satisfy different packing demands, need not to increase the mould quantity in the packaging layer 100 production process simultaneously, improved convenience and the feasibility of manufacturing.

In addition, the battery monomer 2000 can peg graft in jack 21, the terminal surface of battery monomer 2000 can with the cooperation of film 30 butt, in the transportation, film 30 and battery monomer 2000 contact, film 30 can play certain guard action to battery monomer 2000, can reduce fixed plate 10 or mounting panel 20 and battery monomer 2000 friction simultaneously, both can avoid the battery monomer 2000 friction impaired to a certain extent, can reduce the probability that fixed plate 10 and mounting panel 20 received wearing and tearing again to improve the life of fixed plate 10 and mounting panel 20, realize the repeatedly usable of fixed plate 10 and mounting panel 20.

In the embodiment of the application, through setting up the packaging layer 100 that has fixed plate 10, mounting panel 20 and film 30, can reduce the appearance abnormality such as friction blackening and blushing in the transportation of battery monomer 100, can reduce the impaired probability of fixed plate 10 and mounting panel 20 simultaneously, reduce transportation wearing and tearing, piece impurity etc. improve the life of fixed plate 10 and mounting panel 20, realize the repeatedly usable of fixed plate 10 and mounting panel 20.

In some embodiments, the side of the membrane 30 facing the mounting plate 20 is coated with an adhesive layer.

The side coating adhesive linkage of film 30 for film 30 forms the structure of taking the viscosity, when battery monomer 2000 is installed in jack 21, the viscosity side contact battery monomer 2000 of film 30 makes film 30 can with battery monomer 2000 bonding fit, can play further fixed to battery monomer 2000 from this, even produce the friction in the transportation simultaneously, because film 30 bonds with battery monomer 2000, make film 30 and battery monomer 2000 rub jointly, thereby battery monomer 2000 can only produce certain wearing and tearing to film 30, can reduce the probability that battery monomer 2000 takes place the friction with other structures, thereby both can play effectual guard action to battery monomer 2000, improve the life of other structures.

It should be noted that, by adjusting the material of the adhesive layer, the property of the adhesive layer is changed, for example, the adhesive layer is glue, and by controlling the content of the glue, the surface of the film 30 has a certain viscosity, and the viscosity is limited, so that on the basis of realizing effective protection of the battery cell 2000, the transition adhesion of the film 30 and the battery cell 2000 is avoided, and the probability of sticking the battery cell 2000 when the film 30 is disassembled is reduced.

As shown in fig. 1-3, in some embodiments, the fixation plate 10 has a through hole 11 extending through the fixation plate 10 in a first direction, the through hole 11 having a cross-sectional dimension that is smaller than a cross-sectional dimension of the receptacle 21.

As shown in fig. 1-3, the fixing plate 10 is provided with a through hole 11, the through hole 11 penetrates through the fixing plate 10 along the up-down direction, namely, the through hole 11 penetrates through the thickness direction of the fixing plate 10, the through hole 11 can be a round hole, a square hole, a triangular hole and the like, and the through hole 11 is formed in the fixing plate 10, so that on one hand, the weight of the fixing plate 10 can be reduced, the weight of the whole packaging box can be reduced, light-weight packaging is formed, and the carrying operation is convenient; on the other hand, through the through holes 11, the through holes 11 can absorb and disperse collision energy, so that a collision buffer effect can be provided to a certain extent in transportation, and the impact force on the battery cells 2000 is relieved when collision or impact occurs, so that the battery cells 2000 are protected from damage; in addition, the through holes 11 can also play a role in ventilation and air permeation, so that the problems of moisture absorption of the battery cells 2000 and the like are reduced.

The cross section size of the through hole 11 is smaller than that of the jack 21, so that the battery cell 2000 can be prevented from extending into the fixing plate 10 through the through hole 11 to a certain extent, the fixing plate 10 can be effectively shielded on one side of the battery cell 2000, and the protection effect on the battery cell 2000 is improved.

As shown in fig. 1-3, in some embodiments, the jack 21 includes a plurality of jacks 21 extending along a second direction, and the plurality of jacks 21 are arranged at intervals along the second direction and/or a third direction, where the second direction and the third direction are perpendicular to each other in the first direction.

As shown in fig. 1 to 3, the mounting plate 20 has a plurality of insertion holes 21, wherein the plurality of insertion holes 21 may be arranged at intervals along a direction which may be perpendicular to the extending direction of each insertion hole 21, and the plurality of insertion holes 21 may be arranged in a plurality of rows and columns, that is, the plurality of insertion holes 21 may form a plurality of groups, each group of the plurality of insertion holes 21 may be arranged at intervals along a direction which may be perpendicular to the extending direction of each insertion hole 21, the plurality of groups of insertion holes 21 may be arranged along the extending direction of the insertion holes 21, the insertion holes 21 may form a square shape, and at this time, the mounting plate 20 may form a square shape or a rectangular shape, so as to facilitate the mounting of square batteries; of course, the mounting plate 20 may be formed in a circular shape, and the insertion hole 21 may be formed in a circular shape to facilitate the installation of the cylindrical battery, that is, the insertion hole 21 is designed to match the shape of the battery cell 2000 on the one hand, and to fully utilize the space of the mounting plate 20 on the other hand, so as to increase the receiving amount of the battery cell 2000 in the battery pack 1000.

With reference to fig. 1, the first direction is the up-down direction shown in fig. 1, the second direction is the front-back direction shown in fig. 1, the third direction is the left-right direction shown in fig. 1, the insertion holes 21 extend in the front-back direction, and a plurality of groups of insertion holes 21 are provided on the mounting plate 20, each group including a plurality of insertion holes 21 arranged in the left-right direction, whereby a plurality of square batteries can be placed.

In addition, as shown in fig. 2, the insertion holes 21 may also extend in the left-right direction, in some examples, the packaging layer 100 has two mounting plates 20, and the extending directions of the insertion holes 21 on the two mounting plates 20 are different, that is, the insertion holes 21 may extend in the front-rear direction or may extend in the left-right direction, so that the battery cells 2000 may be staggered, that is, the extending directions of the adjacent battery cells 2000 in the up-down direction are different, so that the whole battery packaging box 1000 is stressed uniformly, and the stability after packaging is improved.

In some embodiments, the membrane 30 has attachment holes through which the locking member 40 is inserted to attach the mounting plate 20 and the fixing plate 10.

The film 30 is sandwiched between the fixing plate 10 and the mounting plate 20, the film 30 has a connection hole, and when the locking member 40 connects the mounting plate 20 and the fixing plate 10, the connection hole may be perforated to fixedly connect the film 30 with the mounting plate 20 and the fixing plate 10, wherein the connection hole of the film 30 may be formed when the film is manufactured and formed, for example, the connection hole may be formed by piercing the film 30 through a piercing process when the film 30 is pierced through the piercing process, and the connection hole may also be formed by piercing the film 30 when the locking member 40 connects the mounting plate 20 and the fixing plate 10, thereby each package layer 100 may be fixed in a plurality of structures through the locking member 30, and the reliability of the connection of each package layer 100 is improved.

As shown in fig. 4, in some embodiments, the locking member 40 includes a lock 41, a lock 42, and a lock 43, the lock 42 and the lock 43 being located at both ends of the lock 41, and the lock 42 and the lock 43 protruding from the outer circumference of the lock 41, respectively, the lock 41 penetrating at least a portion of the fixing plate 10 and at least a portion of the mounting plate 20, the lock 42 being engageable with one of the fixing plate 10 and the mounting plate 20, and the lock 43 being engageable with the other of the fixing plate 10 and the mounting plate 20.

As shown in fig. 4, the locking member 40 may be threaded through the fixing plate 10 and the mounting plate 20 from top to bottom, and by setting the locking head 42 and the locking catch 43 at two ends of the locking lever 41, when the locking lever 41 is installed in place, the locking head 42 may be engaged with the fixing plate 10, and the locking catch 43 may be engaged with the mounting plate 20, or may be an interference fit, or a press fit, so that the locking member 40 cannot move further downward, so as to implement assembly between the structures, and the installation is convenient.

In some embodiments, the fixing plate 10 has a first fixing hole 12, the mounting plate 20 has a second fixing hole 22, the first fixing hole 12 and the second fixing hole 22 respectively include a first hole section and a second hole section, the first hole section has a smaller hole diameter than the second hole section, the lock lever 41 can be engaged with the first hole section, and the lock head 42 and the lock catch 43 can be engaged with the two second hole sections, respectively.

The first fixing hole 12 and the second fixing hole 22 are respectively variable cross-section holes, each fixing hole comprises a first hole section and a second hole section, the first hole section is located on one side of the second hole section, the aperture of the first hole section is smaller than that of the second hole section, a step surface is formed between the second hole section and the first hole section, the size of the first hole section is matched with the outer diameter of the lock rod 21, and the size of the second hole section is larger than the outer diameter of the lock head 42.

On the fixed plate 10, the second hole section of the first fixed hole 12 is located at one side of the first hole section, which is away from the mounting plate 20, on the mounting plate 20, the second hole section of the second fixed hole 22 is located at one side of the first hole section, which is away from the fixed plate 10, when the locking piece 40 is matched with the fixed plate 10, after the locking rod 41 passes through the fixed plate 10, the lock catch 43 can extend into the second fixed hole 22 of the mounting plate 20 until the lock catch 43 extends into the second hole section, the lock catch 43 can be clamped with the step surface in the second fixed hole 22, at this time, the lock head 42 can be abutted with the step surface in the first fixed hole 12, so that the connection of the locking piece 40 to the fixed plate 10 and the mounting plate 20 is realized, and the assembly of the packaging layer 100 is completed.

In addition, the locking bar 41 can penetrate through the film 30, so that a further fixing effect can be achieved on the film 30, and the stability of the film 30 is improved.

Through carrying out above-mentioned design to two fixed orificess for can hide in packaging layer 100 inside after locking piece 40 installs, and can not bulge mounting panel 20 and the surface of fixed plate 10, avoid locking piece 40 to expose the interference problem that leads to a certain extent from this, packaging layer 100 outward appearance is pleasing to the eye, the handling operation of being convenient for, the range upon range of arrangement of a plurality of packaging layers 100 of being convenient for simultaneously.

As shown in fig. 4, in some embodiments, the lock catch 43 includes two lock catches 43 arranged at intervals, a relief space 44 is provided between the two lock catches 43, one end of the lock lever 41 near the lock catch 43 has a notch 411, and the notch 411 communicates with the relief space 44.

As shown in fig. 4, the end of the locking member 40 has two latches 43, the two latches 43 are oppositely arranged, and the outer side of each latch 43 protrudes out of the outer periphery of the lock lever 41, and a space 44 is provided between the two latches 43, so that when the locking member 40 passes through the mounting plate 20 and the fixing plate 10, the latches 43 can move inward in the space 44, so that the latches 43 can be conveniently matched with the mounting plate 20 and the fixing plate 10 in a penetrating manner in the fixing holes of the mounting plate 20 and the fixing plate 10, and when the packaging layer 100 is detached, the latches 43 can move inward in the space 44, so that the locking member 40 can be detached from the fixing holes on the basis of reducing damage to the mounting plate 20 and the fixing plate 10, the locking member 40 can be detached for reuse, and in addition, the end of the lock lever 41 is provided with notches 411, 411 communicated with the space 44, thereby being beneficial to increasing the deformation amount of the latches 43, and facilitating the detachment and the attachment of the locking member 40.

As shown in fig. 4, the outer surface of the lock catch 43 forms an inclined surface, and the inclined surface gradually extends outwards in an inclined manner in a direction approaching the lock head 42, so that when the locking piece 40 is mounted, the inclined surface can play a guiding role, the lock catch 43 is convenient to penetrate through the fixing plate 10 and the mounting plate 20, a matching surface is formed between one end of the lock catch 43, which is close to the lock head 42, and the lock rod 41, and the matching surface can be abutted with a step surface in the fixing hole, so that the lock catch 43 can be clamped in the fixing hole, and the connection between the locking piece 40 and the plate is realized.

In some embodiments, the mounting plate 20 and the fixing plate 10 are foam material pieces, respectively, by adopting the foam material pieces, the lightweight design of the packaging layer 100 can be realized, and meanwhile, the foam material has good energy absorption and shock absorption performance on impact and vibration, and can effectively protect the battery cell 2000 from damage.

The mounting plate 20 and the fixing plate 10 may be made of the same material, or may be made of different materials to meet different strength requirements, as shown in fig. 1, the shapes of the mounting plate 20 and the fixing plate 10 are approximately the same, the mounting plate 20 and the fixing plate 10 are arranged in the up-down direction, the thickness dimension of the fixing plate 10 in the up-down direction may be smaller than the thickness dimension of the mounting plate 20 in the up-down direction, and the thickness of the mounting plate 20 is matched with the dimension of the battery cell 2000.

In some embodiments, the material of the mounting plate 20 includes at least one of EPS, EPO, EPP and the material of the mounting plate 10 includes at least one of EPS, EPO, EPP.

EPS (polystyrene foam) is a common open-cell foam material having good heat insulating and sound absorbing properties; EPO is a mixture of expanded polystyrene and polyethylene, a copolymer produced by a special polymerization process, consisting of 30% polyethylene and 70% polystyrene; EPP is formed by foaming polypropylene, and is a novel environment-friendly material.

The mounting plate 20 may be EPS, EPO, EPP, or a mixture of materials, and the fixing plate 10 may be EPS, EPO, EPP, or a mixture of materials.

Through adopting above-mentioned material, can satisfy the lightweight design demand of packaging layer 100, can absorb energy to impact and vibration simultaneously, play the cushioning effect, can protect battery monomer 2000 effectively and avoid damaging, in addition for mounting panel 20 and fixed plate 10 easily make the shaping, can use the mould shaping for the precision is controllable, can satisfy the demand of automated manufacturing.

In some embodiments, the film 30 is a plastic film.

The film 30 can be made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, so that the film 30 has certain strength, the film 30 is more durable, the protection effect on the battery cells 2000 is improved, the plastic film has moisture resistance, the battery cells 2000 are placed to be wetted, and the cost of the plastic film is low, so that the requirement of mass production is met.

As shown in fig. 1 and 5, in some embodiments, the packaging layer 100 includes a top packaging layer 101, the top packaging layer 101 including a mounting plate 10 and a mounting plate 20, the mounting plate 20 being located below the mounting plate 10.

As shown in fig. 1 and 5, the top packaging layer 101 is formed by assembling the fixing plate 10, the mounting plate 20 and the film 30 through the locking member 40, the fixing plate 10 is located above the mounting plate 20, the fixing plate 10 and the mounting plate 20 correspond to each other, the film 30 is clamped between the fixing plate 10 and the mounting plate 20, the size of the film 30 can be matched with the mounting plate 20, the length of the locking member 40 is matched with the thickness of the top packaging layer 101, after the battery cell 2000 is mounted in the insertion hole 21, the film 30 covers the upper end face of the battery cell 2000, the fixing plate 10 can shield and protect the battery cell 2000 and the film 30, so that the protection effect on the battery cell 2000 is improved, the top packaging layer 101 can be located on the upper portion of the whole battery packaging box 1000, and of course, the outer side of the top packaging layer 101 can be provided with a shell and other structures.

The top packaging layer 101 is formed by assembling the fixing plate 10, the mounting plate 20 and the film 30, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomer 100 can be reduced, the damage probability of the fixing plate 10 and the mounting plate 20 can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box 1000 can be reduced, the manufacturing cost can be reduced, and the reusability of the fixing plate 10 and the mounting plate 20 can be realized.

As shown in fig. 2 and 5, in some embodiments, the packaging layer 100 includes a bottom packaging layer 103, the bottom packaging layer 103 including a securing plate 10 and a mounting plate 20, the mounting plate 20 being positioned on top of the securing plate 10.

As shown in fig. 2 and 5, the bottom packaging layer 103 is formed by assembling the fixing plate 10, the mounting plate 20 and the film 30 through the locking member 40, the fixing plate 10 is located below the mounting plate 20, the fixing plate 10 and the mounting plate 20 correspond to each other, the film 30 is clamped between the fixing plate 10 and the mounting plate 20, the size of the film 30 can be matched with that of the mounting plate 20, the length of the locking member 40 is matched with that of the bottom packaging layer 103, after the battery cell 2000 is mounted in the insertion hole 21, the film 30 covers the lower end face of the battery cell 2000, the film 30 and the mounting plate 20 are supported on the fixing plate 10, the fixing plate 10 can support and protect the battery cell 2000 and the film 30, so that the protection effect on the battery cell 2000 is improved, the bottom packaging layer 103 can be located at the lower part of the whole battery packaging box 1000, and the outer side of the bottom packaging layer 103 can be provided with a shell and other structures.

The bottom packaging layer 103 is formed by assembling the fixing plate 10, the mounting plate 20 and the film 30, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomer 100 can be reduced, the damage probability of the fixing plate 10 and the mounting plate 20 can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box 1000 can be reduced, the manufacturing cost can be reduced, and the reusability of the fixing plate 10 and the mounting plate 20 can be realized.

As shown in fig. 3 and 5, the packing layer 100 includes a middle packing layer 102, and the middle packing layer 102 includes one fixing plate 10 and two mounting plates 20, and the two mounting plates 20 are located at upper and lower sides of the fixing plate 10.

As shown in fig. 3, the middle packaging layer 102 is formed by assembling the fixing plate 10, the two mounting plates 20 and the two films 30 through the locking member 40, the mounting plates 20 are respectively arranged on the upper side and the lower side of the fixing plate 10, the positions of the two mounting plates correspond to each other, one film 30 is arranged between the upper side of the fixing plate 10 and the mounting plate 20, one film 30 is arranged between the lower side of the fixing plate 10 and the mounting plate 20, the size of the film 30 can be matched with that of the mounting plate 20, the length of the locking member 40 is matched with the thickness of the middle packaging layer 102, thus the middle packaging layer 102 can accommodate two battery cells 2000, after the battery cells 2000 are arranged in the insertion holes 21, each film 30 is matched with the end face of the corresponding battery cell 2000, the fixing plate 10 can play a role of separating the two battery cells 2000, contact abrasion and the like are prevented, the protection effect on the battery cells 2000 is improved, the middle packaging layer 102 can be positioned in the middle of the whole battery packaging box 1000, the upper side of the middle packaging layer 102 can be the top packaging layer 101, the lower side of the middle packaging layer 102 can be the bottom packaging layer 103, and in addition, the middle packaging layer 1000 can be provided with a plurality of packaging layers 102.

The middle packaging layer 102 is formed by assembling the fixing plate 10, the mounting plate 20 and the film 30, so that the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery monomer 100 can be reduced, the damage probability of the fixing plate 10 and the mounting plate 20 can be reduced, the transportation abrasion, the debris impurities and the like can be reduced, the parts in the battery packaging box 1000 can be reduced, the manufacturing cost can be reduced, and the reusability of the fixing plate 10 and the mounting plate 20 can be realized.

That is, the plurality of packaging layers 100 in the battery packaging box 1000 can be assembled and formed by combining the fixing plate 10, the mounting plate 20 and the film 30, so that the types of the packaging layers 100 are expanded, different packaging requirements are met, the number of dies in the production process of the packaging layers 100 is not required to be increased, and the convenience and feasibility of manufacturing are improved.

As shown in fig. 5, in some embodiments, the battery pack 1000 further includes: the shell comprises two cover bodies 200 and a coaming 300, the two cover bodies 200 are oppositely arranged, the packaging layer 100 is arranged between the two cover bodies 200, and the coaming 300 is sleeved outside the packaging layer 100.

As shown in fig. 5, the battery pack 1000 includes a plurality of packing layers 100, the packing layers 100 are installed in a case such that the case 100 plays a further role in protecting the packing layers 100, in particular, the case includes two covers 200 and a sheathing 300, the lower cover 200 has an installation space opened upward, a portion of the bottom packing layer 103 may be installed in the installation space of the lower cover 200, the upper cover 200 has an installation space opened downward, a portion of the top packing layer 101 may be installed in the installation space of the upper cover 200, the sheathing 300 forms a ring shape, the sheathing 300 may be sleeved outside the packing layers 100, the sheathing 300 may be engaged with the cover 200, for example, inserted, interference fit, or lashed by a band such that the case is wrapped outside the packing layers 100, protection of the packing layers 100 is achieved, and the packing effect of the battery pack 1000 is improved.

In some embodiments, the outer shell is a paper shell, i.e. the outer shell is made of paper material, the cover body 200 is a paper cover, the coaming 300 is a paper coaming, and by adopting the paper material, a lightweight package is formed, so that the carrying operation is convenient; meanwhile, the manufacturing cost can be reduced, the requirement of mass production is met, and the paper shell is favorable for recycling.

As shown in fig. 5, in some embodiments, the battery pack 1000 further includes: the tray 400, the housing and the packaging layer 100 are adapted to be placed on the tray 400, facilitating the handling of the entire battery pack 1000 by providing the tray 400.

A battery pack 1000 according to a specific embodiment of the present application is described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the battery pack 1000 includes a top pack layer 101, a plurality of middle pack layers 102, a bottom pack layer 103, two covers 200, a surrounding plate 300 and a tray 400, one cover 200 is provided on the tray 400, the bottom pack layer 103 is provided on one cover 200, the plurality of middle pack layers 102 are provided on the bottom pack layer 103, the top pack layer 101 is provided on the uppermost side of the plurality of middle pack layers 102, the surrounding plate 300 can be sleeved on the outer sides of the plurality of pack layers 100, and covers the upper side of the top pack layer 101 through another cover 200, thereby forming the whole battery pack 1000.

The top packaging layer 101 comprises a film 30, a fixing plate 10 and a mounting plate 20, wherein the mounting plate 20 is positioned at the lower part of the fixing plate 10, and the film 30 is clamped between the fixing plate 10 and the mounting plate 20; the bottom packaging layer 103 comprises a film 30, a fixing plate 10 and a mounting plate 20, wherein the mounting plate 20 is positioned on the upper part of the fixing plate 10, and the film 30 is clamped between the fixing plate 10 and the mounting plate 20; the middle packaging layer 102 comprises two films 30, a fixing plate 10 and two mounting plates 20, wherein the two mounting plates 20 are positioned on the upper side and the lower side of the fixing plate 10, and one film 30 is arranged between each mounting plate 20 and the fixing plate 10.

Wherein, the fixing plates 10 of the packaging layer 100 have the same structure, the fixing plates 10 have through holes 11 and first fixing holes 12, the mounting plates 20 of the packaging layer 100 have the same structure, the mounting plates 20 have insertion holes 21 and second fixing holes 22, the battery cells 2000 can be inserted into the insertion holes 21, the films 30 of the packaging layer 100 have the same structure, one side of the films 30 has an adhesive layer, the adhesive layer is arranged towards the mounting plates 20, or both sides of the films 30 have adhesive layers, the packaging layer 100 passes through the first fixing holes 12, the films 30 and the second fixing holes 22 through the locking pieces 40, the fixed connection of each packaging layer 100 is realized, and the lengths of the locking pieces 40 are selectively adjusted according to the thickness of the packaging layer 100 so as to match the battery cells 2000 with different specifications.

Therefore, the packaging layer 100 is split into three structures of the fixing plate 10, the mounting plate 20 and the film 30, different packaging layers 100 can be formed through the combination of the three structures, and the mounting plate 20 and the fixing plate 10 are formed by using dies, so that the precision is controllable, the requirement of automatic manufacturing can be met, and meanwhile, the number of dies in the production process can be reduced; the whole battery packaging box 1000 can be disassembled, which is beneficial to classification and recovery; in addition, by adopting the above battery pack 1000 to pack the battery cell 2000, the appearance abnormality such as blackening and whitening due to friction in the transportation process of the battery cell 100 can be reduced, and meanwhile, the damage probability of the fixing plate 10 and the mounting plate 20 can be reduced, the transportation abrasion, the debris impurity and the like can be reduced, and the reusability of the fixing plate 10 and the mounting plate 20 can be realized.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (16)

1. A battery pack (1000), comprising: at least one packaging layer (100), the packaging layer (100) comprising:

a fixing plate (10);

the mounting plate (20) is arranged on the side part of the fixed plate (10) in the first direction and is connected with the fixed plate (10) through a locking piece (40), the mounting plate (20) is provided with a jack (21), the jack (21) penetrates through the mounting plate (20) in the first direction, and the jack (21) is used for mounting a battery cell (2000);

and a film (30), wherein the film (30) is arranged between the fixed plate (10) and the mounting plate (20), and the film (30) is suitable for being abutted with a battery cell (2000) arranged in the jack (21).

2. The battery pack (1000) according to claim 1, wherein a side of the film (30) facing the mounting plate (20) is coated with an adhesive layer.

3. Battery packaging (1000) according to claim 1, characterized in that the fixing plate (10) has a through hole (11) penetrating the fixing plate (10) in the first direction, the through hole (11) having a smaller cross-sectional dimension than the insertion hole (21).

4. A battery pack (1000) according to claim 3, wherein the insertion holes (21) comprise a plurality, the insertion holes (21) extend along a second direction, and the insertion holes (21) are arranged at intervals along a second direction and/or a third direction, and the second direction and the third direction are perpendicular to the first direction.

5. Battery pack (1000) according to claim 1, wherein the membrane (30) has a connection hole through which the locking member (40) is inserted and connected with the mounting plate (20) and the fixing plate (10).

6. The battery pack (1000) according to claim 1, wherein the locking member (40) includes a lock lever (41), a lock head (42) and a lock catch (43), the lock head (42) and the lock catch (43) being located at both ends of the lock lever (41), and the lock head (42) and the lock catch (43) protruding from an outer periphery of the lock lever (41), respectively, at least a portion of the fixing plate (10) and at least a portion of the mounting plate (20) being penetrated by the lock lever (41), the lock head (42) being adapted to be engaged with one of the fixing plate (10) and the mounting plate (20), and the lock catch (43) being adapted to be engaged with the other of the fixing plate (10) and the mounting plate (20).

7. The battery pack (1000) of claim 6, wherein the securing plate (10) has a first securing aperture (12), the mounting plate (20) has a second securing aperture (22), the first securing aperture (12) and the second securing aperture (22) each include a first aperture section and a second aperture section, the first aperture section having a smaller aperture than the second aperture section, the locking bar (41) being adapted to mate with the first aperture section, the locking head (42) and the locking catch (43) being adapted to mate with two of the second aperture sections, respectively.

8. The battery packaging box (1000) according to claim 6, wherein the lock catches (43) comprise two lock catches (43) which are arranged at intervals, a yielding space (44) is arranged between the two lock catches (43), and one end of the lock lever (41) close to the lock catches (43) is provided with a notch (411) communicated with the yielding space (44).

9. The battery pack (1000) according to claim 1, wherein the mounting plate (20) and the fixing plate (10) are each foam pieces.

10. The battery pack (1000) of claim 9, wherein the material of the mounting plate (20) comprises at least one of EPS, EPO, EPP;

the material of the fixing plate (10) comprises at least one of EPS, EPO, EPP.

11. The battery pack (1000) of claim 1, wherein the film (30) is a plastic film.

12. The battery pack (1000) of claim 1, wherein the packaging layer (100) comprises a top packaging layer (101), the top packaging layer (101) comprising one of the fixing plates (10) and one of the mounting plates (20), the mounting plates (20) being located in a lower portion of the fixing plates (10).

13. The battery pack (1000) of claim 1, wherein the packaging layer (100) comprises a bottom packaging layer (103), the bottom packaging layer (103) comprising one of the fixing plates (10) and one of the mounting plates (20), the mounting plates (20) being located at an upper portion of the fixing plates (10).

14. The battery pack (1000) of claim 1, wherein the pack (100) comprises a middle pack (102), the middle pack (102) comprising one of the fixing plates (10) and two of the mounting plates (20), the two mounting plates (20) being located on both upper and lower sides of the fixing plate (10).

15. The battery pack (1000) according to any one of claims 1-14, further comprising: the shell comprises two cover bodies (200) and coaming plates (300), the two cover bodies (200) are oppositely arranged, the packaging layer (100) is arranged between the two cover bodies (200), and the coaming plates are sleeved on the outer side of the packaging layer (100).

16. The battery pack (1000) of claim 15, wherein the outer shell is a paper shell.