WO2013031194A1 - 梱包構造 - Google Patents
梱包構造 Download PDFInfo
- Publication number
- WO2013031194A1 WO2013031194A1 PCT/JP2012/005402 JP2012005402W WO2013031194A1 WO 2013031194 A1 WO2013031194 A1 WO 2013031194A1 JP 2012005402 W JP2012005402 W JP 2012005402W WO 2013031194 A1 WO2013031194 A1 WO 2013031194A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tray
- battery
- recess
- structure according
- fitted
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/107—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
- B65D81/113—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material of a shape specially adapted to accommodate contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
- B65D25/108—Devices, e.g. plates, presenting apertures through which the articles project
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/44—Integral, inserted or attached portions forming internal or external fittings
- B65D5/50—Internal supporting or protecting elements for contents
- B65D5/5028—Elements formed separately from the container body
- B65D5/503—Tray-like elements formed in one piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/70—Trays provided with projections or recesses in order to assemble multiple articles, e.g. intermediate elements for stacking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/227—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
- B65D2585/88—Batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a packing structure, and more particularly to a packing structure for packing a plurality of columnar batteries.
- Batteries are widely used as power sources for various electronic devices.
- a primary battery represented by a dry battery and a secondary battery that can be repeatedly charged and discharged.
- These batteries have various shapes such as a columnar shape, a prismatic shape, and a sheet shape, but most are columnar batteries.
- Lithium-ion secondary batteries are lightweight but have high electromotive force and high energy density, so they can be used in various types of mobile phones, digital cameras, video cameras, laptop computers, and so on.
- power sources for driving portable electronic devices and mobile communication devices There are various types of lithium ion secondary batteries, but cylindrical standardized batteries are produced in large quantities. For example, 18650, 17670, 18500, 17500, 16340, 14500 There is a cylindrical standard for the name.
- lithium ion secondary batteries have a high energy density, a large amount of heat is generated when they are short-circuited. Therefore, the transportation of lithium ion secondary batteries is strictly regulated, and in order to avoid short-circuiting due to contact with adjacent batteries, the batteries are securely separated from each other or each battery is individually insulated with an insulating material. (For example, patent documents 1 and 2).
- a partition member higher than half the battery height is placed in a storage member having a bottom surface, and the battery is placed in a space partitioned by the partition member.
- lithium ion secondary batteries of ICR18650 are arranged in 3 series and 5 rows and connected to a Safety Unit board to form an assembled battery.
- This assembled battery is a polyethylene bag, a cardboard individual packaging pad. Is packed into individual packs, and a plurality of individual packs are stacked and packed in a cardboard box. Therefore, it takes a lot of time and effort for packing, and it takes a long time for packing work. Also, a lot of Safety Unit board, polyethylene bag, cardboard pad is required, which increases packing cost and packing weight. There was a problem.
- the present invention has been made in view of the above points, and the object of the present invention is to pack and take out a plurality of columnar batteries in a short time, and to reduce the packing cost and keep the battery in a clean state. It is in providing the packing structure which can hold
- the packing structure of the present invention is a packing structure for packing a plurality of columnar batteries, a storage case having a bottom plate and a side plate disposed on an outer edge of the bottom plate, and a storage case disposed immediately above the bottom plate.
- a first tray fixed to the case and a second tray disposed above the first tray, the first tray including a plurality of first recesses into which one end of the battery fits;
- the bottom of the first recess is fixed to the housing case so as to face the bottom plate, and the second tray includes a plurality of second recesses into which the other end of the battery fits,
- the one end is fitted into the first recess of the first tray, the other end is fitted into the second recess of the second tray, and the adjacent batteries are separated from each other.
- the depth of the first recess is not less than 5% and not more than 50% of the height of the columnar battery.
- a pressing member that covers the second tray is further used.
- one electrode terminal of the battery has a convex shape, and the end portion is inserted into the first recess or the second recess into which the end portion having the one electrode terminal is fitted.
- a recess is provided that keeps the electrode terminal away from the one electrode terminal when fitted.
- the first recess has a tapered shape that narrows from the opening toward the bottom.
- the taper angle of the taper shape is preferably 1 degree or more and 20 degrees or less.
- the second recess has a tapered shape that narrows from the opening toward the bottom. It is preferable that a taper angle of the tapered shape of the second recess is 1 degree or more and 20 degrees or less.
- the distance between the first tray and the second tray is not less than 30% and not more than 90% of the height of the columnar battery.
- the distance between the first tray and the second tray is the distance from the opening edge of the first recess to the opening edge of the second recess.
- the storage case has a rectangular box shape and is formed of corrugated cardboard, and the core flute of the corrugated cardboard extends obliquely with respect to the rectangular side of the storage case.
- the first tray and the second tray are made of a plastic added with a rust inhibitor.
- a plurality of batteries are held in a state in which one end is fitted into the first recess of the first tray and the other end is fitted into the second recess of the second tray so that adjacent batteries are separated from each other. And the bottom side of the first recess has a portion facing the corner protruding outward so as to be separated from the corner of one end of the inserted battery. It is easy, the battery is sandwiched between the first tray and the second tray, and contact between adjacent batteries can be reliably prevented, and the first tray is shaved by the battery corners to generate shavings. Can be prevented.
- FIG. 1 is a perspective view of a storage case according to the embodiment.
- FIG. 2 is a perspective view of the first tray according to the embodiment.
- FIG. 3 is a perspective view of the second tray according to the embodiment.
- FIG. 4 is a schematic view showing the inside of the packing structure according to the embodiment.
- FIG. 5 is an enlarged cross-sectional view of the vicinity of the first recess.
- FIG. 6 is an enlarged cross-sectional view in the vicinity of the second recess.
- Patent Document 3 discloses a packaging shock absorber for a dry battery, which is a technology before the development of a lithium ion secondary battery.
- the battery voltage of a dry battery is less than half that of a lithium ion secondary battery
- Patent Document 3 discloses a packaging technology about 30 years ago. It has been found that various problems occur when used for packaging secondary batteries. Above all, when a battery taken out from the shock absorber is put into a power pack and the electrode terminals of the battery are welded to the terminals of the power pack, the contact failure of the welded part has emerged as a major problem.
- the inventors of the present application have investigated these problems and studied various solutions to arrive at the present invention.
- the packing structure according to Embodiment 1 is for packing a plurality of 18650 cylindrical lithium ion secondary batteries (diameter 18 mm, height 65 mm).
- This battery has a cylindrical shape, one end is a negative electrode, the other end is a positive electrode, and the positive electrode has a convex shape protruding in a central portion of a circular end surface.
- the storage case used in this embodiment is shown in FIG.
- the housing case 10 is made of corrugated cardboard, and four side plates 12 are arranged perpendicular to the bottom plate 14 on the outer edge of the rectangular bottom plate 14. That is, the housing case 10 is a box-shaped case without a lid, and a groove portion 15 is formed near the bottom plate 14 of the pair of side plates 12 parallel to each other.
- the height of the side plate 12 from the bottom plate 14 is substantially the same as the height of the battery.
- the corrugated cardboard forming the housing case 10 has a central flute extending obliquely with respect to each side of the bottom plate 14 and the side plate 12. Therefore, when this packing structure is dropped after packing, the strength against impact is almost the same even if it is dropped from any side surface of the housing case 10, and there is no side surface that is particularly vulnerable to dropping.
- FIG. 2 shows the first tray used in this embodiment.
- the 1st tray 20 forms the 1st recessed parts 22, 22, ... which are many hollows in a rectangular polypropylene board.
- the first tray 20 is placed on the bottom plate 14 of the storage case 10, and the two claw portions 25, 25 protruding from the side are fitted into the groove 15 of the storage case 10, thereby being fixed to the storage case 10.
- the Further, the first tray 20 is disposed in the housing case 10 so that the bottoms of the first recesses 22, 22,... Face the bottom plate 14 of the housing case 10.
- the first tray 20 is produced by vacuum forming using a polypropylene sheet kneaded with a rust preventive agent as a material.
- FIG. 3 shows the second tray used in this embodiment.
- the second tray 30 is formed by forming a plurality of second recesses 32, 32,... As will be described later, the second tray 30 is placed above the first tray 20 after one end of a plurality of batteries is fitted into the first tray 20, and then the other end of the battery is connected to the second tray 30. It fits into the second recesses 32, 32,.
- the second tray 30 is also produced by vacuum forming using a polypropylene sheet kneaded with a rust preventive agent.
- FIG. 4 is a view showing the packing structure of the present embodiment with one side plate 12 of the housing case 10 removed and the inside visible. .. Of one of the plurality of batteries 40, 40,... Are fitted in the first recesses 22, 22,... Of the first tray 20 that are placed and fixed in the housing case 10. As a result, the plurality of batteries 40, 40,... Stand side by side with the adjacent batteries 40 separated (side surfaces are separated from each other with a certain distance).
- the second recesses 32, 32,... Of the second tray 30 fit into the other end (positive electrode side) that is the upper side of the batteries 40, 40,. In this way, both ends of the battery 40 are fitted into the first recess 22 and the second recess 32, whereby the battery 40 is fixed and held by the first tray 20 and the second tray 30. In this way, the plurality of batteries 40, 40,... Are fixed and held in a state of being separated from the adjacent battery 40.
- a pressing member 50 made of cardboard is placed on the second tray 30 to press the second tray 30. The pressing member 50 is fixed to the storage case 10 and the second tray 30 is also fixed to the storage case 10.
- the packaging starts from where the storage case 10 is prepared.
- the first tray 20 is put in the housing case 10 and fixed.
- the first tray 20 is placed so that the bottom side of the first recess 22 faces the bottom plate 14 of the storage case 10, and the claw portion 25 is inserted into the groove portion 15 and fixed to the storage case 10.
- one end (negative electrode side) of the plurality of batteries 40, 40,... Is fitted into the first recesses 22, 22,.
- the battery 40 is fitted in the first recess 22 and is held in a vertically standing state.
- the second tray 30 is placed on the other end (positive electrode side) of the batteries 40, 40,. Fit in. Thereby, the adjacent batteries 40 and 40 are held apart.
- the pressing member 50 is placed on the second tray 30, and the pressing member 50 and the housing case 10 are fixed.
- the depth of the first recess 22 is preferably 5% or more and 50% or less, and more preferably 10% or more and 30% or less with respect to the height of the battery 40.
- the battery 40 may not be kept vertical after the battery 40 is fitted into the first recess 22, and the second tray 30 may be There is a possibility that the upper end of the battery 40 may not fit into the second recess 32 when being placed on the battery 40.
- the depth of the first recess 22 is 10% or more of the height of the battery 40, the battery 40 can be reliably kept vertical in a state where the battery is fitted in the first recess 22, which is more preferable.
- the depth of the first recess 22 exceeds 50% of the height of the battery 40, it may take too much time to fit the battery 40 in the first recess 22, or conversely, the battery 40 may be removed from the first recess 22. There is a risk that extra time may be required for removal. Further, when a lot number or the like is printed on the side surface of the battery 40, if the depth of the first concave portion 22 is large, the printed portion may rub against the first concave portion 22 and the printed information may not be read. If the depth of the first recess 22 is 30% or less of the height of the battery 40, the battery 40 can be easily inserted and removed.
- the distance between the first tray 20 and the second tray 30 is 30% or more and 90% or less of the height of the battery 40. If this distance is less than 30% of the height of the battery 40, it may take time to take out the packed battery 40. If this distance exceeds 90% of the height of the battery 40, the battery 40 cannot be held when subjected to vibration or impact during packaging, and adjacent batteries 40 may come into contact with each other.
- the shortest distance between adjacent batteries 40 is preferably 5% or more and 50% or less of the battery 40 diameter. If it is less than 5%, adjacent batteries 40 may be brought into contact with each other due to vibration or impact, and if it exceeds 50%, the packing density of the battery decreases, and the packing cost and the transportation cost increase.
- FIG. 5 shows an enlarged cross section of the first concave portion 22.
- the first concave portion 22 has a tapered shape in which the diameter of the bottom (circular) portion is slightly larger than the diameter of the battery 40 and the diameter increases from the bottom to the opening. In other words, the shape is narrowed from the opening toward the bottom. Due to such a tapered shape, the battery 40 can be easily fitted into the first recess 22, and the battery 40 can be easily taken out from the first recess 22.
- the taper angle is preferably 1 degree or more and 20 degrees or less. If the taper angle is less than 1 degree, it is difficult to fit the battery 40 in the first recess 22 and it is difficult to remove the battery 40, which may increase the work time. If the taper angle exceeds 20 degrees, the battery 40 may not be securely held, and the battery 40 may rattle in a packaged state, or the adjacent batteries 40 may come into contact with each other when an impact is applied. is there.
- the second recess 32 has a tapered shape similar to that of the first recess 22.
- the taper angle of the second recess 32 is preferably not less than 1 degree and not more than 20 degrees similarly to the first recess 22.
- the outer peripheral portion of the bottom surface of the first recess 22 is provided with a recess 23 that protrudes outward (lower side) or that is further recessed from the recess.
- the outer peripheral portion of the bottom surface of the first recess 22 is separated from the corner of the battery 40 and is in a non-contact state.
- the corners of the battery 40 and the vicinity of the outer periphery of the bottom surface of the first recess 22 are rubbed by vibration during transportation, and the first tray 20 is scraped off. It will be.
- the shavings adhere to the electrode (the negative electrode on the bottom surface side) of the battery 40 and may cause a contact failure when the battery 40 is used.
- the electrode the negative electrode on the bottom surface side
- the shavings adhere to the electrode (the negative electrode on the bottom surface side) of the battery 40 and may cause a contact failure when the battery 40 is used.
- the buffer member for sandwiching and fixing the battery is formed by vacuum forming means by dissolving the waste paper or the like, paper fibers are easily attached to the battery.
- FIG. 6 shows an enlarged cross section of the second concave portion 32.
- the second recess 32 has a tapered shape whose diameter increases from the bottom surface to the opening. Accordingly, the second tray 30 can be easily fitted into the battery 40, and can be easily removed when removed.
- a terminal recess 35 corresponding to the positive terminal 41 protruding at the positive end of the battery 40 is formed at the center of the bottom surface of the second recess 32.
- the side surface portion 37 and the bottom surface portion 36 of the terminal recess 35 are formed so as to be kept out of contact with the positive electrode terminal 41. That is, the depth of the terminal recess 35 is larger than the height of the positive electrode terminal 41, and the diameter of the terminal recess 35 is larger than the diameter of the positive electrode terminal 41. Therefore, when the peripheral portion 34 on the bottom surface of the second recess 32 contacts the upper surface peripheral portion on the positive electrode side of the battery 40, the positive electrode terminal 41 does not contact the second tray 30, and vibration is applied during transportation. The shaving powder from the second tray 30 does not adhere to the positive electrode terminal 41. For this reason, when the battery 40 is used as a power source for an electronic device or the like, it is possible to prevent contact failure and conduction failure due to shavings.
- the 1st tray 20 and the 2nd tray 30 are made from the synthetic resin which kneaded the rust preventive agent, it can prevent that the battery 40 rusts at the time of storage / transport of the battery 40.
- the battery to be packed is preferably a lithium ion secondary battery, but is not limited to a lithium ion secondary battery, and may be any type of battery as long as the shape is a columnar shape such as a cylindrical shape or a prismatic shape.
- the battery may have a side wall with an insulating outer tube attached, or may have no outer tube. Even without an outer tube, contact with the adjacent battery is reliably prevented, so that safe storage and transportation can be performed.
- the side plates of the storage case need not be on all four sides. There may be at least a pair of parallel side plates. If the side surface portion without the side plate of the housing case is covered with a cushioning material, an outer case, or the like, the battery is protected.
- the first tray and the second tray may be made from plastic other than polypropylene, or may be made from other materials such as paper and metal.
- plastic when paper is used, paper dust is likely to be generated, and metal takes time and effort to ensure insulation, so plastic is preferable to paper and metal.
- a composite material such as a material obtained by laminating a plastic film on the surface of a metal sheet may be used.
- the batteries to be packed may be arranged so that the positive electrode faces the bottom plate side of the housing case, and not all of the batteries face one of the electrodes to the bottom plate side of the housing case.
- Another battery may have a negative electrode.
- a part of the first tray can be marked, and the position of each battery can be specified using the marking as a base point.
- each of the batteries to be packed can be specified. Therefore, if the battery characteristics of each battery are recorded before packing, when a battery having specific battery characteristics is required, it is immediately determined which battery in the package is the required battery. The battery can be taken out.
- the battery characteristics and the like of each battery that is packed may be described on the outer surface of the package.
- the marking may be printing, or any means such as notching a part of the tray or changing the shape of a part of the tray (for example, creating a protrusion) may be used. Further, a marking may be provided on the second tray.
- a protrusion or the like may be provided on a part of the first tray or the second tray. As a result, even when a plurality of trays are stacked, a gap is formed between the upper and lower trays by the protrusions and the like, and only one tray can be easily taken out.
- first tray and the second tray may have the same shape.
- a tray having a recess having both a recess on the outer periphery of the bottom and a recess for a positive electrode terminal may be used. Thereby, only one type of tray can be used, and the packaging cost can be reduced.
- the battery may be arranged in a hexagonal lattice shape or a rectangular lattice shape in addition to the square lattice shape as in the embodiment.
- the outer side of the storage case may be further packed with an exterior case.
- the pressing member may be a part of the outer case.
- the outer case is formed of corrugated cardboard, the surface of the core flute is inclined with respect to each side of the bottom plate and the side plate in the same manner as the housing case. Even if it becomes a drop surface, it shows the same drop resistance strength, which is preferable.
- the number of the claw portions of the first tray and the corresponding groove portions of the storage case side plate is not limited to two as in the first embodiment. If a plurality of claw portions are provided on two opposing sides of the first tray, the first tray is more fixed to the housing case. Further, the claw portions may be provided on all four sides of the first tray, and the groove portions may be provided on the four side plates of the storage case.
- the packaging structure according to the present invention can hold a plurality of batteries in a non-contact state with a simple structure, and thus is useful as a packaging structure for storing and transporting secondary batteries. .
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Battery Mounting, Suspending (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Packaging Frangible Articles (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
実施形態1に係る梱包構造は、18650円筒型のリチウムイオン二次電池(直径18mm、高さ65mm)を複数梱包するものである。この電池は円柱形状で、一方の端部は負極であり、他方の端部は正極であって、正極は円形の端面の中央部分に突出している凸形状を有している。
上述の実施形態は本願発明の例示であって、本願発明はこれらの例に限定されず、これらの例に周知技術や慣用技術、公知技術を組み合わせたり、一部置き換えたりしてもよい。また当業者であれば容易に思いつく改変発明も本願発明に含まれる。例えば一つの梱包構造に梱包される電池の種類や数は特に限定されないし、収容ケースの材料や形状も特に限定されない。
12 側面板
14 底板
20 第1トレイ
22 第1凹部
30 第2トレイ
32 第2凹部
40 電池
50 押さえ部材
Claims (11)
- 複数の柱状の電池を梱包する梱包構造であって、
底板と該底板の外縁に配置された側面板とを有する収容ケースと、
前記底板の直上に配置され、前記収容ケースに固定される第1トレイと、
前記第1トレイの上方に配置される第2トレイと
を用い、
前記第1トレイは、前記電池の一方の端部がはまり込む第1凹部を複数備え、該第1凹部の底側が前記底板に相対するように前記収容ケースに固定されており、
前記第2トレイは、前記電池の他方の端部がはまり込む第2凹部を複数備えており、
前記複数の電池は、前記第1トレイの前記第1凹部に前記一方の端部がはめ込まれ、前記他方の端部が前記第2トレイの前記第2凹部にはめ込まれ、隣り合う前記電池同士が離間された状態で保持されており、
前記第1凹部の底側は、はめ込まれた前記電池の前記一方の端部の角部とは離間するように、前記角部に相対する部分が外方へ突き出している、梱包構造。 - 前記第1凹部の深さは、柱状の前記電池の高さの5%以上50%以下である、請求項1に記載されている梱包構造。
- 前記第2トレイの上に被せられる押さえ部材をさらに用いている、請求項1又は2に記載されている梱包構造。
- 前記電池の一方の電極端子は凸形状を有しており、
前記一方の電極端子を有している端部がはまり込む第1凹部又は第2凹部には、前記端部がはまり込んだ際に前記一方の電極端子とは離間した状態を保つ窪みが設けられている、請求項1から3のいずれか一つに記載されている梱包構造。 - 前記第1凹部は、開口部から底に向かって窄まっていくテーパ形状を有している、請求項1から4のいずれか一つに記載されている梱包構造。
- 前記テーパ形状のテーパ角は、1度以上20度以下である、請求項5に記載されている梱包構造。
- 前記第2凹部は、開口部から底に向かって窄まっていくテーパ形状を有している、請求項1から6のいずれか一つに記載されている梱包構造。
- 前記第2凹部の前記テーパ形状のテーパ角は、1度以上20度以下である、請求項7に記載されている梱包構造。
- 前記第1トレイと前記第2トレイとの間の距離は、柱状の前記電池の高さの30%以上90%以下である、請求項1から8のいずれか一つに記載されている梱包構造。
- 前記収容ケースは矩形箱形であって段ボールからなり、
前記段ボールの中芯のフルートは、前記収容ケースの矩形の辺に対して斜めに延びている、請求項1から9のいずれか一つに記載されている梱包構造。 - 前記第1トレイ及び前記第2トレイは、防錆剤を添加したプラスチックからなっている、請求項1から10のいずれか一つに記載されている梱包構造。
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JP2013531088A JP5653527B2 (ja) | 2011-08-31 | 2012-08-28 | 梱包構造 |
US14/239,512 US8783462B2 (en) | 2011-08-31 | 2012-08-28 | Packaging construction |
CN201280041084.2A CN103843169B (zh) | 2011-08-31 | 2012-08-28 | 包装结构 |
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JP5653527B2 (ja) | 2015-01-14 |
JPWO2013031194A1 (ja) | 2015-03-23 |
CN103843169A (zh) | 2014-06-04 |
US8783462B2 (en) | 2014-07-22 |
US20140166532A1 (en) | 2014-06-19 |
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