CN115832560A

CN115832560A - Shelf and manufacturing method thereof

Info

Publication number: CN115832560A
Application number: CN202111273822.3A
Authority: CN
Inventors: 叶伟钦; 黄彩虾; 肖仲星; 唐鸣浩; 张盛武
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2023-03-21

Abstract

The application provides a goods shelf and a manufacturing method of the goods shelf, wherein the goods shelf comprises: the goods shelf comprises a goods shelf body, wherein a plurality of goods accommodating spaces are formed in the goods shelf body; a base, one base is arranged at the bottom of each cargo accommodating space; the cooling plate is arranged on the base and used for cooling the battery monomer arranged in the goods accommodating space, and the cooling plate comprises a plate body and a storage channel which is arranged in the plate body and used for storing a cooling medium. Divide into the multiunit with large batch battery monomer earlier, on putting into the cooling plate in every goods accommodation space with every group battery respectively again, every cooling plate can carry out rapid cooling for a plurality of battery monomer. After the cooling finishes, will make used cooling plate change for new cooling plate again, can continue to carry out rapid cooling to next large batch battery monomer. Consequently, the demand that carries out rapid cooling to large batch battery monomer can be satisfied to the goods shelves of this application.

Description

Shelf and manufacturing method thereof

Technical Field

The application relates to the field of power battery production, in particular to a storage rack and a manufacturing method of the storage rack.

Background

This section provides background information related to the present application and is not necessarily prior art.

In the process of measuring the self-discharge of the battery monomer at low temperature, a large amount of battery monomers need to be rapidly cooled so as to meet the low-temperature state of the process requirement. In the related art, the equipment utilization rate for cooling the battery monomers is low, the structure is complex, and the cooling effect is not obvious, so that the rapid cooling of large batches of battery monomers is difficult to realize.

Disclosure of Invention

The application aims to provide a shelf and a manufacturing method of the shelf, and the shelf is used for solving the problem that the rapid cooling of a large number of battery cells is difficult. The specific technical scheme is as follows:

the first aspect of the application provides a storage rack, which is used for storing single batteries and comprises a storage rack body, a base and a cooling plate, wherein a plurality of goods accommodating spaces are arranged on the storage rack body; a base is arranged at the bottom of each cargo accommodating space; the cooling plate is arranged on the base and used for cooling the battery monomer arranged in the goods accommodating space, and the cooling plate comprises a plate body and a storage channel which is arranged in the plate body and used for storing a cooling medium.

After large batch battery monomer produces, divide into the multiunit with battery monomer earlier, on putting into the cooling plate of the base to every goods accommodation space with every group battery monomer respectively again, at least one cooling plate can be placed to every base, and every cooling plate can carry out rapid cooling for a plurality of battery monomer. After the cooling finishes, remove the battery in every goods accommodation space, will make used cooling plate change for new cooling plate again, can continue to carry out rapid cooling to next large batch battery monomer, and make used cooling plate can also change inside cooling medium and recycle to effectively improve the utilization ratio of goods shelves. Therefore, the goods shelf of the embodiment of the application can meet the requirement of rapidly cooling large batches of battery monomers.

In addition, according to the goods shelf provided by the application, the following additional technical characteristics can be provided:

in any embodiment, the storage channel is a U-shaped channel. The arrangement is favorable for increasing the contact area of each battery monomer and the cooling medium in the storage channel, and the improvement of the battery cooling effect is facilitated.

In any embodiment, the storage channel comprises a plurality of segments connected in series, each segment being S-shaped, such that the storage channel is arranged in a serpentine manner within the plate body. The arrangement is favorable for increasing the contact area of each battery monomer and the cooling medium in the storage channel, and the improvement of the battery cooling effect is facilitated.

In any embodiment, the shelf further comprises a plurality of trays for placing the battery cells, each tray is arranged on a corresponding base, a hollow area is arranged at the bottom of each tray, and the cooling plate is arranged in the hollow area so as to be in contact with the battery cells placed in the trays. A plurality of battery monomers can be placed in the tray, so that the plurality of battery monomers can be replaced through replacing the tray, the operation is more convenient, the replaced tray can be recycled, the production cost is reduced, and meanwhile, due to the fact that the bottom of the tray is provided with a hollow area, the bottom of the battery monomers can be in direct contact with the cooling plate, and the cooling effect of the battery is improved.

In any embodiment, a plurality of installation areas are arranged on the tray, each installation area is used for placing a row of battery cells, a plurality of partition plates are arranged in each installation area, and the plurality of partition plates are used for spacing the plurality of battery cells in the installation areas. Set up like this, be favorable to improving every goods accommodation space's utilization ratio, and then improve the utilization ratio of whole goods shelves.

In any embodiment, the number of the cooling plates in each cargo accommodating space is equal to the number of the arrangement areas on each tray, a hollow area is arranged at the bottom of each arrangement area, and the cooling plates are configured to be in contact with all the battery cells in the corresponding arrangement areas. Set up like this for every arrangement area of every tray all receives the cooling effect of cooling plate, is favorable to improving the free cooling effect of battery in the tray.

In any embodiment, the base is provided with a plurality of bosses, the number of the bosses is equal to the number of the mounting areas on the tray, each boss correspondingly supports one mounting area, and each boss is provided with one cooling plate. The structure of the boss is beneficial to saving the material of the base, reducing the production cost and simultaneously lightening the weight of the whole goods shelf.

In arbitrary embodiment, the goods shelves body includes roof, bottom plate and a plurality of curb plate, a plurality of curb plate intervals and parallel arrangement, and every two adjacent curb plates and roof, bottom plate inject one jointly and hold the chamber, are provided with a plurality of goods accommodation space from top to bottom arranging in holding the chamber. Set up like this, this internal a plurality of chamber that hold that parallel that have of goods shelves promptly, every holds the goods accommodation space that has a plurality of from top to bottom to arrange in the chamber to be favorable to satisfying and hold big free demand of battery in batches, effectively improve the utilization ratio of goods shelves.

In any embodiment, a pair of supporting members is provided at the bottom of each cargo receiving space, the supporting members are fixedly connected with the side plates, and the base is fixed on the pair of supporting members. This allows the base to withstand external pressure without being damaged, which is advantageous in improving the reliability of the base.

In any embodiment, the support member is a trigonal prism shaped spacer or an L-shaped bracket. The supporting piece can provide supporting force, and the reliability of the goods shelf is improved.

In any embodiment, the goods shelf further comprises a fire fighting system, the fire fighting system comprises an injection device, a controller and a fire recognition device, one fire recognition device is arranged in each goods containing space, the fire recognition device is configured to judge whether a fire occurs in the goods containing space and send a fire signal to the controller under the condition that the fire occurs, and the controller is configured to start the injection device according to the fire signal so that the injection device injects a fire extinguishing medium to the battery cell. When a fire occurs in the fire-fighting system, the fire-fighting system can quickly extinguish the fire so as to prevent the fire from spreading to cause more serious accidents.

In any embodiment, the fire recognition device is a smoke detector or a high temperature sensor. The fire behavior recognition device has the advantages of accurate recognition by taking the smoke detector or the high-temperature sensor as the fire behavior recognition device, can effectively recognize the fire behavior, and has low probability of false recognition.

In a second aspect of the present application, a method of manufacturing a pallet is presented. The goods shelf comprises a goods shelf body, wherein a plurality of goods accommodating spaces are arranged on the goods shelf body; providing bases, wherein the bottom of each goods accommodating space is provided with one base; the cooling plate is arranged on the base and used for cooling the battery monomer arranged in the goods accommodating space, and comprises a plate body and a storage channel arranged in the plate body and used for storing a cooling medium.

After large batch battery monomer produces, divide into the multiunit with battery monomer earlier, on putting into the cooling plate of the base to every goods accommodation space with every group battery monomer respectively again, at least one cooling plate can be placed to every base, and every cooling plate can carry out rapid cooling for a plurality of battery monomer. After the cooling finishes, remove the battery in every goods accommodation space, will make used cooling plate change for new cooling plate again, can continue to carry out rapid cooling to next large batch battery monomer, and make used cooling plate can also change inside cooling medium and recycle to effectively improve the utilization ratio of goods shelves. Therefore, the goods shelf manufactured by the embodiment of the application can meet the requirement of rapidly cooling a large batch of battery monomers.

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

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by referring to these drawings. In the drawings:

FIG. 1 is a schematic view of a shelf according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a base according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a cooling plate according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a tray according to an embodiment of the present application;

FIG. 6 is a schematic view of a shelf according to an embodiment of the present application;

FIG. 7 is a schematic view of a fire fighting system according to an embodiment of the present application;

fig. 8 is a flowchart of a manufacturing method of a shelf according to an embodiment of the present application.

The reference numbers are as follows:

100-a shelf; 110-a shelf body; 111-top plate; 112-a backplane; 113-side plate; 114-a containment chamber; 120-cargo receiving space; 121-a support; 130-a base; 1301-a boss; 140-a cooling plate; 141-a plate body; 142-a storage channel; 150-battery cell; 160-a tray; 1601-a hollowed-out area; 1602-a placement area; 1603-spacer; 170-a fire protection system; 171-an injection device; 172-a controller; 173-fire recognition device.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.

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 herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or to implicitly indicate the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing the association object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural pieces" refers to two or more (including two).

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Reference to a battery in embodiments of the present application 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, etc. Batteries generally include a case for enclosing one or more battery cells. The box can avoid liquid or other foreign matters to influence the charging or discharging of battery monomer. In the present application, the battery cell may include a lithium ion secondary 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 in the embodiments of the present application. The battery cell may be a cylinder, a flat body, a rectangular parallelepiped, or other shapes, which is not limited in the embodiments of the present application. The battery cells are generally divided into three types in an encapsulation manner: the cylindrical battery monomer, the square battery monomer and the soft package battery monomer are not limited in the embodiment of the application.

With the rapid development of new energy technology, the application of power batteries is also more and more extensive. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles and the like, and a plurality of fields such as military equipment and aerospace. With the continuous expansion of the application field of the power battery, the market demand is also continuously expanding. This trend requires higher battery capacity and better performance, and manufacturers need to perform comprehensive detection on batteries to prevent defective products from entering the market, so that it becomes very important to optimize the time and cost of battery testing.

The power battery comprises a battery self-discharge test in various tests before delivery. The self-discharge of the battery means that the electricity storage quantity gradually and spontaneously reduces when the battery monomer is not connected with any load. Such a reduction is inevitable, and the rate of self-discharge also varies among the battery cells. When a plurality of battery cells are assembled into a battery pack, the difference of the self-discharge rates of the battery can cause the imbalance among the capacities of the battery cells in the battery, thereby affecting the use reliability and the service life of the whole battery. A manufacturer selects the single battery which does not meet the use requirement through the self-discharge test of the battery, and then the performance and the consistency of the battery are improved so as to meet the market requirement.

In the process of the testing process of the self-discharge of the battery, a large batch of battery monomers need to be rapidly cooled, so that the testing time of the battery is saved, and the production cost is reduced. The inventor notices that in the prior art, the equipment structure for cooling the large batch of battery monomers is complex, the space utilization rate is low, the cooling effect is not obvious, the rapid cooling of the large batch of battery monomers is difficult to realize, the testing time of the battery is long, and the reduction of the production cost is not facilitated.

Based on the consideration, the applicant designs a goods shelf through deep research, and a large number of battery monomers are cooled through a plurality of goods accommodating spaces and a plurality of cooling plates in the goods shelf, so that the requirement for rapidly cooling the battery monomers in a large batch can be met, the testing time of the battery is effectively shortened, and the production cost is favorably reduced.

The goods shelf disclosed by the embodiment of the application can be used for rapidly cooling a large batch of battery cells or other batch of articles. In the embodiment of the application, the use object of the shelf is a battery cell.

Goods shelf

As shown in fig. 1 and 2, an embodiment of the present application provides a shelf 100 for storing battery cells 150. Specifically, the shelf 100 includes a shelf body 110, a base 130, and a cooling plate 140. The shelf body 110 is provided with a plurality of goods accommodating spaces 120, a base 130 is provided at the bottom of each goods accommodating space 120, a cooling plate 140 is disposed on the base 130 for cooling the battery cells 150 disposed in the goods accommodating spaces 120, and the cooling plate 140 includes a plate body 141 and a storage channel 142 disposed in the plate body 141 for storing a cooling medium.

The battery cell 150 refers to the smallest unit constituting the battery. Cell 150 includes end caps, a housing, an electrical core assembly, and other functional components, such as an insulating layer. The end cap refers to a member covering an opening of a case to isolate an internal environment of the battery cell from an external environment, the case is a member for receiving an electrode assembly to form the battery cell, and the case further contains an electrolyte and other structures. The material of the case may be various, such as an iron case, an aluminum case, a stainless steel case, etc., and the electrode assembly is a component of the battery cell in which electrochemical reactions occur. One or more electrode assemblies may be contained within the housing. The electrode assembly is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is generally disposed between the positive electrode sheet and the negative electrode sheet.

The shelf body 110 is a main frame of the shelf, and the shelf body 110 may have a rectangular parallelepiped frame structure formed by combining a plurality of rigid plates, and has advantages of convenience in processing and easiness in assembly, but the shelf body 110 may have other shapes.

The goods accommodating space 120 is a three-dimensional space in which goods can be placed, the size of the three-dimensional space can be artificially divided, and the size of each goods accommodating space 120 can be divided according to the scale and the number of the single batteries 150, so that the space utilization rate of the shelf 100 can be further improved.

As shown in fig. 3, the base 130 refers to a base for placing the cooling plates 140, one base 130 is installed in each cargo receiving space 120, a plurality of cooling plates 140 may be placed on each base 130, and a plurality of battery cells 150 may be placed on each cooling plate 140. The pedestals 130 mainly serve as a support, and the installation position of each pedestal 130 in the shelf body 110 also defines the size of each cargo receiving space 120. The base 130 may be made of a material having a certain strength, such as aluminum, iron, or stainless steel.

As shown in fig. 4, the cooling plate 140 is a plate for cooling the battery cells 150, and may be a square plate, which is easy to manufacture, but the cooling plate 140 may have other shapes. The cooling plate 140 includes a plate main body 141 and a storage channel 142, the plate main body 141 can be made of a metal material with good thermal conductivity, such as stainless steel and copper, the plate main body 141 can be freely placed on the base 130, thereby being beneficial to replacement and improving the working efficiency, the storage channel 142 can be a copper pipe or other heat conduction pipeline embedded in the plate main body 141, or a channel can be processed in the plate main body 141, a cooling medium is stored in the storage channel 142 and used for cooling the battery cell 150, and the cooling medium can be water, an antifreeze (ethylene glycol) and a preservative (Z) _n Cl ₂ Sugar acid and sodium benzoate) in a certain proportion, the cooling liquid can be recycled, the cost is saved, and in related data, when the cooling liquid is used, the cooling rate can reach 0.3 ℃/min, namely the temperature of the battery monomer 150 is reduced from 45 ℃ to 10 ℃ within two hours.

After a large amount of battery monomers 150 are produced, the battery monomers 150 are firstly divided into a plurality of groups, each group of battery monomers 150 is respectively placed on the cooling plates 140 of the bases 130 in each cargo accommodation space 120, at least one cooling plate 140 can be placed on each base 130, and the cooling medium in each cooling plate 140 can rapidly cool down the plurality of battery monomers 150. After the temperature reduction is completed, the batteries in each cargo accommodating space 120 are removed, and then the used cooling plate 140 is quickly replaced by a new cooling plate 140 again, so that the next large batch of battery monomers 150 can be continuously and quickly cooled, and the used cooling plate 140 can be recycled by replacing the internal cooling medium, thereby effectively improving the utilization rate of the storage rack 100. Therefore, the storage rack 100 according to the embodiment of the present disclosure can meet the requirement of rapidly cooling a large number of battery cells 150.

In some embodiments, storage channel 142 is a U-shaped channel.

The storage channel 142 is a pipe for storing the cooling medium, and the shape of the pipe may be various, such as a straight line shape, a U shape, a Z shape, or an S shape, and the U shape may be selected in this embodiment of the application.

By the arrangement, the contact area between each battery unit 150 and the cooling medium in the storage channel 142 is increased, and the cooling effect of the battery is improved.

In some embodiments, storage channel 142 includes a plurality of segments connected in series, each segment being S-shaped such that storage channel 142 is arranged in a serpentine manner within plate body 141.

The shape of the pipe of the storage passage 142 may be a meandering shape in which a plurality of S-shaped sections are combined.

As shown in fig. 5 and 6 and referring to fig. 2, in some embodiments, the shelf 100 further includes a plurality of trays 160 for placing the battery cells 150, each tray 160 is disposed on a corresponding base 130, a bottom of the tray 160 has a hollow region 1601, and the cooling plate 140 is disposed in the hollow region 1601 such that the cooling plate 140 contacts the battery cells 150 placed in the trays 160.

The tray 160 is a horizontal platform device for containerizing, stacking, transporting and transporting goods and products which are used as unit loads, wherein the tray 160 can be a special tray for placing a plurality of battery units 150, and the tray 160 is used for loading and unloading large batches of battery units 150, so that the transporting efficiency can be rapidly improved, the flowing process is ordered, and the production cost is effectively reduced. The tray 160 may be made of various materials, such as wood or plastic, and the tray 160 may be formed by injection molding and can withstand a low temperature of-20 ℃, so as to prevent the tray 160 from being damaged during the cooling process.

The hollow area 1601 is a through hole which is not covered by the plate material at the bottom of the tray 160, and the shape of the through hole may be square, and the size of the through hole is larger than that of the cooling plate 140, so that the cooling plate 140 can be placed in the hollow area 1601.

Can place a plurality of battery monomer 150 in the tray 160, thereby can change a plurality of battery monomer 150 through changing the tray like this, it is more convenient to make the operation, and tray 160 under the change can also recycle, is favorable to reduction in production cost, simultaneously because tray 160 bottom has fretwork region 1601, battery monomer 150's bottom can with cooling plate 140 direct contact, is favorable to improving the battery cooling effect.

As shown in fig. 5, in some embodiments, a plurality of arrangement regions 1602 are disposed on the tray 160, each arrangement region 1602 is used for placing a row of battery cells 150, a plurality of partition plates 1603 are disposed in each arrangement region 1602, and the plurality of partition plates 1603 are used for separating the plurality of battery cells 150 in the arrangement region 1602.

The mounting region 1602 refers to a plurality of accommodating cavities arranged in rows in the tray 160, and the number of rows of the mounting region 1602 depends on the size of the battery unit 150. In actual use, the size of the battery unit 150 may be varied for different uses or types, and thus the tray 160 may be divided into different types according to the number of the arrangement regions 1602. For example, when the battery cell 150 is small in size, a tray 160 having a larger number of seating regions 1602 may be used; when the battery cells 150 are large-sized, the tray 160 having a smaller number of seating regions 1602 may be used.

This arrangement is advantageous in improving the utilization rate of each cargo receiving space 120, thereby improving the utilization rate of the entire shelf 100.

As shown in fig. 5 and 6, and referring to fig. 2, in some embodiments, the number of cooling plates 140 in each cargo receiving space 120 is equal to the number of seating areas 1602 on each tray 160, a hollow area 1601 is disposed at the bottom of each seating area 1602, and the cooling plates 140 are configured to contact all of the cells 150 in the corresponding seating area 1602.

By such arrangement, each of the arrangement regions 1602 of the tray 160 has a separate cooling plate 140 for cooling, which is beneficial to improving the cooling effect of the battery cells 150 in the tray 160.

As shown in fig. 5 and 6, and referring to fig. 3, in some embodiments, a plurality of bosses 1301 are provided on the base 130, the number of the bosses 1301 is equal to the number of the seating regions 1602 on the tray 160, each boss 1301 correspondingly supports one seating region 1602, and one cooling plate 140 is provided on each boss 1301.

The boss 1301 is a square column of the upper half of the base 130, and the boss 1301 may be formed by machining the base 130, or may be a separate column detachably connected to the base. The number of the bosses 1301 is determined by the number of the placement regions 1602, and the bosses 1301 correspond to each other one by one, so that the bottoms of the placement regions 1602 of the tray 160 are supported by the bosses 1301, and the tray 160 is prevented from being placed unstably.

The structure of boss 1301 is favorable to saving the material of base, effectively reduces production manufacturing cost, is favorable to alleviateing the weight of whole goods shelves simultaneously.

As shown in fig. 6, in some embodiments, the shelf body 110 includes a top plate 111, a bottom plate 112 and a plurality of side plates 113, the plurality of side plates 113 are spaced and arranged in parallel, each two adjacent side plates 113 and the top plate 111 and the bottom plate 112 together define an accommodating cavity 114, and a plurality of cargo accommodating spaces 120 are arranged in the accommodating cavity 114 from top to bottom.

The top plate 111 is a plate material of an upper edge in the height direction of the shelf body 110, the bottom plate 112 is a plate material of a lower edge in the height direction of the shelf body 110, and the plurality of side plates 113 are a plurality of plate materials which are positioned between the top plate 111 and the bottom plate 112 and are parallel to the height direction of the shelf body 110, are arranged at intervals and are parallel to each other, and together form a frame of the shelf body 110. The three materials can be made of various materials, such as stainless steel, aluminum or iron, and the connection between the three materials can be realized by rivets, bolts, welding and the like, and the embodiment of the application is not limited.

The receiving cavity 114 is a space surrounded by a top plate 111, a bottom plate 112 and two side plates 113, and a plurality of side plates 113 can share one top plate 111 and one bottom plate 112, so that a plurality of rows of receiving cavities 114 are formed. Each receiving cavity 114 may be divided into a plurality of cargo receiving spaces 120 arranged from top to bottom.

Set up like this, have the multiseriate in the goods shelves body 110 promptly and hold the chamber 114, there are a plurality of goods accommodation space 120 in every row holds the chamber 114 to be favorable to satisfying the demand that holds big batch battery monomer 150, effectively improve the utilization ratio of goods shelves 100.

In some embodiments, a pair of supporting members 121 are disposed at the bottom of each cargo receiving space 120, the supporting members 121 are fixedly connected to the side plates 113, and the base 130 is fixed to the pair of supporting members 121.

The support member 121 refers to a part that can further provide a bearing force, and it may be connected to the side plate 113 by means of a screw connection, a rivet connection, or welding, etc. The support member may be made of a metal material with a certain strength, such as steel, iron, etc., so as to prevent the support member 121 from deforming and failing to function.

By such an arrangement, the base 130 can be better fixed on the shelf body 110 through the supporting member 121, which is beneficial to improving the reliability of the base 130.

In some embodiments, the support 121 is a triangular prism shaped pad or L-shaped bracket.

The supporting member 121 can provide a supporting force and facilitate the fixing of the base 130 to the shelf body 110.

As shown in fig. 6 and 7, in some embodiments, the shelf 100 further includes a fire fighting system 170, the fire fighting system 170 includes an injection device 171, a controller 172, and a fire recognition device 173, one fire recognition device 173 is disposed in each cargo receiving space 120, the fire recognition device 173 is configured to determine whether a fire occurs in the cargo receiving space 120 and transmit a fire signal to the controller 172 if it is determined that the fire occurs, and the controller 172 is configured to activate the injection device 171 according to the fire signal so that the injection device 171 injects a fire extinguishing medium to the battery cell 150.

The fire fighting system 170 is generally referred to as a fire fighting linkage control system, i.e., the fire recognition device 173 detects a fire signal and transmits the signal to the controller 172, and the controller 172 immediately activates the spraying device 171 to automatically extinguish the fire. The fire extinguishing medium can select water, can put out a fire on the one hand, can continuously cool down the battery on the one hand.

The fire fighting system 170 can rapidly perform fire extinguishing in case of a fire, so as to prevent a more serious accident caused by the spread of the fire.

In some embodiments, the fire recognition device 173 is a smoke detector or a high temperature sensor.

Smoke detector refers to a detector that senses solid or liquid particles generated by combustion and/or pyrolysis suspended in the atmosphere.

The high temperature sensor is a detector responding to parameters such as abnormal temperature, temperature rate, temperature difference change and the like.

The fire recognition device 173 is a smoke detector or a high temperature sensor, which has the advantage of accurate recognition, can effectively recognize the fire, and has a low probability of false recognition.

As shown in fig. 5 and 6, and with reference to fig. 2 and 7, in accordance with some embodiments of the present application, there is provided a pallet 100 comprising: the shelf body 110 is composed of a top plate 111, a bottom plate 112 and four side plates 113, four rows of accommodating cavities 114 are formed in the shelf body 110, and each row of accommodating cavities 114 is internally provided with a plurality of goods accommodating spaces 120 which are arranged from top to bottom. A pair of supporting members 121 are arranged in the cargo accommodating space 120, the base 130 is installed on the supporting members 121, 2 bosses 1301 are arranged on the base 130, and the tray 160 is further placed on the bosses 1301. The tray 160 comprises two placement areas 1602, each boss 1301 correspondingly supports one placement area 1602, a hollow-out area 1601 is arranged at the bottom of each placement area 1602, a cooling plate 140 is correspondingly placed in each hollow-out area 1601, the cooling plate 140 comprises a plate body 141 and a storage channel 142 which is arranged in the plate body 141 and used for storing cooling media, the cooling plate 140 is directly contacted with the bottoms of a plurality of battery units 150 in the tray 160, so that the battery units 150 are cooled, the shelf further comprises a fire fighting system 170, and the fire fighting system 170 comprises a spraying device 171, a controller 172 and a fire recognition device 173.

After a large amount of battery cells 150 are produced, the battery cells 150 are divided into a plurality of groups and placed into the tray 160, and then each tray 160 is placed on the base 130 in each cargo accommodation space 120, at least one cooling plate 140 can be placed on each base 130, and a cooling medium in each cooling plate 140 can rapidly cool a plurality of battery cells 150 in the tray 160. After the cooling is completed, the tray 160 in each cargo accommodating space 120 is removed, and then the used cooling plate 140 is quickly replaced with a new cooling plate 140 again, so that the next large batch of battery cells 150 can be continuously and quickly cooled, and the used cooling plate 140 can be recycled by replacing the internal cooling medium, thereby effectively improving the utilization rate of the shelf 100. Therefore, the storage rack 100 according to the embodiment of the present disclosure can meet the requirement of rapidly cooling a large number of battery cells 150. In addition, the fire fighting system 170 can rapidly perform fire extinguishing in case of a fire, so as to prevent a more serious accident caused by the spread of the fire.

Method for manufacturing goods shelf

In a second aspect of the present application, as shown in fig. 8, the present application proposes a method of manufacturing a pallet 100. The goods shelf comprises a goods shelf body, wherein a plurality of goods accommodating spaces are arranged on the goods shelf body; providing bases, wherein the bottom of each goods accommodating space is provided with one base; the cooling plate is arranged on the base and used for cooling the battery monomer arranged in the goods accommodating space, and comprises a plate body and a storage channel arranged in the plate body and used for storing a cooling medium.

The shelf 100 manufactured by the manufacturing method of the shelf 100 according to the second aspect of the present disclosure can meet the requirement of rapidly cooling a large amount of battery cells 150. Specifically, after a large number of battery cells 150 are produced, the battery cells 150 are divided into a plurality of groups, and then each group of battery cells 150 is placed on the cooling plate 140 of the base 130 in each cargo accommodation space 120, at least one cooling plate 140 can be placed on each base 130, and a cooling medium in each cooling plate 140 can rapidly cool down the plurality of battery cells 150. After the cooling is finished, the battery in each cargo accommodating space 120 is removed, and then the used cooling plate 140 is quickly replaced by a new cooling plate 140 again, so that the next large batch of battery monomers 150 can be continuously and quickly cooled, and the used cooling plate 140 can be recycled by replacing the internal cooling medium, thereby effectively improving the utilization rate of the shelf 100. Therefore, the storage rack 100 of the present application can meet the requirement of rapidly cooling a large number of battery cells 150.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions 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 solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.

Claims

1. A rack (100) for storing battery cells (150), the rack (100) comprising:

a rack body (110), wherein a plurality of cargo accommodating spaces (120) are provided in the rack body (110);

a base (130), one base (130) being provided at the bottom of each cargo receiving space (120);

the cooling plate (140) is arranged on the base (130) and used for cooling the battery cells (150) arranged in the cargo accommodating space (120), and the cooling plate (140) comprises a plate body (141) and a storage channel (142) arranged in the plate body (141) and used for storing a cooling medium.

2. The rack (100) of claim 1, wherein the storage channel (142) is a U-shaped channel.

3. The rack (100) of claim 1, wherein the storage channel (142) comprises a plurality of sections connected in series, each section being S-shaped such that the storage channel (142) is arranged in a serpentine manner within the plate body (141).

4. The rack (100) of claim 1, wherein the rack (100) further comprises a plurality of trays (160) for placing the battery cells (150), each tray (160) is disposed on a corresponding base (130), the bottom of the tray (160) has a hollowed-out area (1601), and the cooling plate (140) is disposed in the hollowed-out area (1601) so that the cooling plate (140) contacts the battery cells (150) placed in the trays (160).

5. The rack (100) according to claim 4, wherein the tray (160) is provided with a plurality of placement areas (1602), each placement area (1602) is used for placing a row of the battery cells (150), a plurality of partition plates (1603) are arranged in each placement area (1602), and a plurality of partition plates (1603) are used for spacing apart the plurality of battery cells (150) in the placement areas.

6. The rack (100) according to claim 5, wherein the number of the cooling plates (140) in each cargo receiving space (120) is equal to the number of the seating regions (1602) on each tray (160), one hollowed-out region (1601) is provided at the bottom of each seating region (1602), and the cooling plates (140) are configured to contact all the battery cells (150) in the corresponding seating region (1602).

7. The rack (100) according to claim 6, wherein a plurality of bosses (1301) are arranged on the base (130), the number of bosses (1301) is equal to the number of seating areas (1602) on the tray (160), each boss (1301) supports one seating area (1602) correspondingly, and one cooling plate (140) is arranged on each boss (1301).

8. The pallet (100) according to claim 1, characterized in that the pallet body (110) comprises a top plate (111), a bottom plate (112) and a plurality of side plates (113), the side plates (113) are arranged in parallel at intervals, every two adjacent side plates (113), the top plate (111) and the bottom plate (112) jointly define a containing cavity (114), and a plurality of cargo containing spaces (120) are arranged in the containing cavity (114) from top to bottom.

9. The pallet (100) according to claim 8, characterized in that a pair of supporting members (121) is provided at the bottom of each cargo receiving space (120), the supporting members (121) are fixedly connected with the side plates (113), and the base (130) is fixed on the pair of supporting members (121).

10. The pallet (100) according to claim 9, characterised in that the support (121) is a trigonal prism-like mat or an L-shaped bracket.

11. The rack (100) according to claim 1, wherein the rack (100) further comprises a fire fighting system (170) comprising spraying devices (171), a controller (172) and fire recognition devices (173), one fire recognition device (173) being provided in each of the cargo receiving spaces (120), the fire recognition devices (173) being configured to determine whether a fire is occurring in the cargo receiving spaces (120) and to send a fire signal to the controller (172) in case of determining that a fire is occurring, the controller (172) being configured to activate the spraying devices (171) in accordance with the fire signal so that the spraying devices (171) spray a fire extinguishing medium to the battery cells (150).

12. The pallet (100) according to claim 11, characterised in that the fire recognition device (173) is a smoke detector or a high temperature sensor.

13. A method of manufacturing a pallet (100), comprising:

providing a shelf body (110), wherein a plurality of goods accommodating spaces (120) are arranged on the shelf body (110);

providing bases (130), wherein one base (130) is arranged at the bottom of each cargo accommodating space (120);

providing a cooling plate (140), wherein the cooling plate (140) is arranged on the base (130) and is used for cooling the battery unit (150) arranged in the goods accommodating space (120), and the cooling plate (140) comprises a plate body (141) and a storage channel (142) which is arranged in the plate body (141) and is used for storing a cooling medium.