CN112292784A - 包含uhf rfid标签的金属容器 - Google Patents

包含uhf rfid标签的金属容器 Download PDF

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CN112292784A
CN112292784A CN201980042254.0A CN201980042254A CN112292784A CN 112292784 A CN112292784 A CN 112292784A CN 201980042254 A CN201980042254 A CN 201980042254A CN 112292784 A CN112292784 A CN 112292784A
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antenna
container according
container
rfid tag
peripheral edge
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L.胡塔萨洛
E.莫雷迪
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Finnish Digital Label Co
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Stora Enso Oyj
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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/245—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with decoration, information or contents indicating devices, labels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/0779—Antenna details the antenna being foldable or folded
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/02—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions of curved cross-section, e.g. cans of circular or elliptical cross-section
    • 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
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/10—Transponders

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

基本上为圆柱形的金属容器(1)，所述容器包含包封表面壁(2)、顶端和底端(3)，其中底端具有由圆形凹面、抛物线底表面(4)和圆形围边(5)形成的腔室。在底端处布置UHF RFID标签(6)，其包含集成电路(7)和天线(8)，其中天线位于底表面(4)的中心以上预定距离处，使得底表面反射天线辐射。

Description

包含UHF RFID标签的金属容器
技术领域
根据权利要求1的前序部分，本发明涉及基本上为圆柱形的金属容器，所述容器包含包封表面壁、顶端和底端，其中底端具有由圆形凹面、抛物线底表面和圆形围边(surrounding edge)形成的腔室。
在本申请的以下内容中，会经常使用术语RFID(射频识别)标签。RFID标签含有至少两个部分：存储和处理信息以及调制和解调射频(RF)信号的IC(集成电路)和用于接受和发射信号的天线。标签信息存储在非易失性(non-volatile)存储器中。RFID标签包括用于分别处理传输和传感器数据的固定或可编程逻辑。本上下文中的RFID标签为UHF(超高频)RFID标签。
背景技术
众所周知的是用低成本UHF RFID标签为具有液体的金属圆柱体容器(例如饮料铝罐)加标签存在困难。这是因为金属容器反射和吸收RF波时会干扰标签天线。
本发明的目标
本发明的目标是提出包含UHF RFID标签的金属容器，其解决了上述问题。
发明内容
根据本发明和权利要求1的特征部分，在底端处布置包含集成电路和天线的UHFRFID标签，其中天线位于底表面的中心以上预定的距离处，使得底表面反射天线辐射并且由此延长天线的识读范围。
具体实施方式
在下文中，将参照图1和图2更详细地描述本发明。
图1公开了根据本发明的包括UHF RFID标签的容器。
图2公开了包括集成电路和天线的UHF RFID标签。
图3公开了在根据本发明将UHF RFID标签布置在容器上时，UHF RFID标签的识读范围的图。
图1公开了可含有液体的基本上为圆柱形的金属容器1，例如铝饮料罐(例如，可口可乐罐)。这样的饮料罐的体积大小一般为330ml或500ml。容器1包含包封表面壁2、顶端和底端3。底端3具有由圆形凹面、抛物线底表面4和圆形围边5形成的腔室。
图1和图2公开了包含集成电路7和天线8(附接至成电路7)的UHF RFID标签6。RFID标签在底端处布置3，其中天线位于底表面4的中心以上的预定距离处，使得底表面反射天线辐射并且由此延长天线的识读范围。
天线8为平面折叠偶极天线并且具有平面的、基本上圆形的形状。
天线8的外直径接近容器的围边5的直径。
天线位于底表面4的中心以上10-16mm的范围内，优选在12-14mm的范围内并且最优选约13mm。
UHF RFID标签6通过胶附接至支承层10上，所述支承层通过胶附接至围边5的顶部上，使得天线8的位置与围边5的上端对齐。支承层10优选为PET膜，但本领域技术人员会意识到其它布置或层可将天线布置在抛物线底表面4以上的预定距离处，例如还可使用纸代替PET膜作为支承层。
天线的外直径8与围边5的内直径大约相同或更小。在容器1是饮料罐的情况中，天线的外直径8在约36-44mm的范围内并且优选为约42mm。
圆形天线8优选由覆盖有传导层的薄载体基底制成。本领域技术人员会意识到可使用不同的载体基底，例如，聚合物、纸、板、织物或非织造材料。此外，本领域技术人员会意识到可使用不同类型的传导层，例如，铝、铜、银、锡、铋或这些的合金。可通过蚀刻、喷墨印刷来施加传导层或任意其他合适的技术来施加传导层。
在优选的实施方式中，载体基底是约50μm厚的PET基底，其覆盖有约10μm的铝层。PET基底的相对介电常数为约3并且介电损耗正切为0.002。
天线在天线外缘附近具有半环形间隙9，在所述间隙中9载体基底未被传导层覆盖。间隙是天线结构的一部分并且用于使得天线的阻抗与集成电路的阻抗相匹配。
图3公开了在根据本发明将天线布置在饮料罐上时的UHF RFID标签天线8的识读范围的测试结果。从图中可以看出，天线的识读范围在ETSI RFID波段(865MHz–868MHz)远达约三米并且在FCC RFID波段(902MHz–928MHz)为5m。
本发明的益处在于天线8在抛物线底表面4以上的布置本质上延长了天线的识读范围。由于金属底面4的缘故，天线信号被反射离开容器。在饮料罐上施用本发明是尤其合适的，其中罐的铝底表面反射天线信号。
在上文中，已经基于一些特定的优选实施方式描述了本发明。然而，应当理解，在所附权利要求的范围内，其他实施方式和变型是可能的。例如，已经证明所公开的天线具有最佳的识读范围，但是本领域技术人员会意识到，其他形状和类型的天线也是可能的。例如，可使用小于凹形底部的螺旋形或偶极天线。

Claims (14)

1.基本上为圆柱形的金属容器(1)，所述容器包含包封表面壁(2)、顶端和底端(3)，其中底端具有由圆形凹面、抛物线底表面(4)和圆形围边(5)形成的腔室，其特征在于在底端处布置UHF RFID标签(6)，其包含集成电路(7)和天线(8)，其中天线位于底表面(4)的中心以上预定距离处，使得底表面反射天线辐射并且由此延长天线的识读范围。
2.根据权利要求1所述的容器，其特征在于天线为平面折叠偶极天线(8)并且具有圆形形式。
3.根据权利要求2所述的容器，其特征在于天线的外直径接近容器的围边的直径。
4.根据权利要求1-3中任意项所述的容器，其特征在于天线位于底表面的中心以上10-16mm的范围内并且优选在12-14mm的范围内。
5.根据权利要求1-4中任意项所述的容器，其特征在于RFID标签附接至支承层(10)上，所述支承层布置在围边的顶部之上，使得天线的位置与围边的上端对齐。
6.根据权利要求5所述的容器，其特征在于支承层(10)为PET膜。
7.根据权利要求2-6中任意项所述的容器，其特征在于天线的外直径在36-44mm的范围内并且优选为约42mm。
8.根据权利要求2-6中任意项所述的容器，其特征在于圆形天线由覆盖有传导层的薄载体基底制成。
9.根据权利要求8所述的容器，其特征在于载体基底是聚合物、纸、板、织物或非织造材料中的任意。
10.根据权利要求8-9中任意项所述的容器，其特征在于传导层是铝、铜、银、锡、铋或这些的合金中的任意。
11.根据权利要求8所述的容器，其特征在于载体基底是约50μm厚的PET基底并且传导层是约10μm的铝层。
12.根据权利要求8-11中任意项所述的容器，其特征在于天线在天线的外缘附近具有半环形间隙(9)，在所述间隙中载体基底未被传导层覆盖。
13.根据权利要求1-12中任意项所述的容器，其特征在于容器由铝制成。
14.根据权利要求1-13所述的容器，其特征在于容器是饮料罐。
CN201980042254.0A 2018-07-02 2019-07-02 包含uhf rfid标签的金属容器 Pending CN112292784A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1850828A SE542229C2 (en) 2018-07-02 2018-07-02 A metal container comprising a uhf rfid tag
SE1850828-3 2018-07-02
PCT/IB2019/055614 WO2020008342A1 (en) 2018-07-02 2019-07-02 A metal container comprising a uhf rfid tag

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US (1) US11981481B2 (zh)
EP (1) EP3818590A4 (zh)
JP (1) JP7447030B2 (zh)
CN (1) CN112292784A (zh)
RU (1) RU2768511C1 (zh)
SE (1) SE542229C2 (zh)
WO (1) WO2020008342A1 (zh)

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EP1308883A1 (en) * 2000-07-19 2003-05-07 Hanex Co. Ltd Rfid tag housing structure, rfid tag installation structure and rfid tag communication method
US20030112192A1 (en) * 2000-07-18 2003-06-19 King Patrick F. Wireless communication device and method
WO2006136809A1 (en) * 2005-06-21 2006-12-28 Sarantel Limited An antenna and an antenna feed structure
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