WO2016008305A1 - Right-angled slit-type rfid tag antenna - Google Patents

Right-angled slit-type rfid tag antenna Download PDF

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Publication number
WO2016008305A1
WO2016008305A1 PCT/CN2015/072891 CN2015072891W WO2016008305A1 WO 2016008305 A1 WO2016008305 A1 WO 2016008305A1 CN 2015072891 W CN2015072891 W CN 2015072891W WO 2016008305 A1 WO2016008305 A1 WO 2016008305A1
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WIPO (PCT)
Prior art keywords
segment
cavity
slit
length
antenna
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PCT/CN2015/072891
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French (fr)
Chinese (zh)
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田艺儿
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田艺儿
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Publication of WO2016008305A1 publication Critical patent/WO2016008305A1/en

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    • 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

Definitions

  • the utility model relates to a right angle slot type RFID radio frequency tag antenna.
  • the RFID radio frequency plate making process is mainly based on a chemical etching process, and the chemical etching process can mainly produce a complicated RFID radio frequency antenna. Therefore, the RFID radio frequency antenna pattern currently used is very complicated and is not suitable for the punching process, and the chemical etching method has high manufacturing cost and serious pollution. Relatively speaking, the punching method reduces the cost and pollution, so it needs to be punched.
  • the RF design of the process design is relatively simple.
  • the purpose of the utility model is to overcome the above defects and provide a right angle slot type RFID radio frequency tag antenna.
  • the technical problem to be solved by the utility model is that the RFID radio frequency tag antenna has a simple graphic and is convenient for making a punching die, and can be applied to a punching method. Produced, while having high read and write sensitivity.
  • a right angle slot type RFID radio frequency tag antenna characterized in that it comprises an aluminum foil antenna body, an antenna cavity is arranged on the aluminum foil antenna body, and the antenna cavity is composed of a four-segment slot cavity.
  • the four-segment slit cavity is a first segment, a second segment, a third segment and a fourth segment from the outside to the inside, and the cavities connected to each other in the four-segment slit cavity are at right angles, and A chip is provided on a slit cavity.
  • the length of the first section of the slit cavity is 7 mm, and the length of the second section of the slit cavity The length is 7 mm, the length of the third slit cavity is 13 mm, and the length of the fourth slit cavity is 8 mm.
  • the utility model has the advantages that the antenna of the utility model and the cavity of the resonant cavity are simple, and the four-segment right-angle slot type resonant cavity can be fabricated by a punching process, and the process is simple and convenient to promote, and at the same time, High reading and writing sensitivity, suitable for long-distance reading and writing of radio frequency tags, such as RFID baggage tags for the aviation industry, RFID tags for the logistics industry, RFID tags for the clothing industry, etc.
  • FIG. 1 is a schematic structural view of a prior art RF antenna after amplification.
  • Figure 2 is a schematic view showing the structure of the utility model after being enlarged.
  • the slot resonator of the prior art RF antenna is composed of seven segments A, B, C, D, E, F, and G, wherein the length of the A segment is 5.5 mm, and the length of the B segment is 7.3 mm.
  • the length of the C segment is 6 mm
  • the length of the D segment is 3.8 mm
  • the length of the E segment is 7.5 mm
  • the length of the F segment is 4.1 mm
  • the length of the G segment is 8 mm
  • the chip 3 is placed in the third segment, ie Section C.
  • the right angle slot type RFID radio frequency tag antenna of the present invention is characterized in that it comprises an aluminum foil antenna body 1, and an antenna resonator 2 is disposed on the aluminum foil antenna body 1, and the antenna resonance
  • the cavity 1 is composed of a four-segment slit cavity, which is an A segment, a B segment, a C segment and a D segment from the outside to the inside, and the four segment slit cavities are connected to each other.
  • the cavity is at right angles and is placed on the A-slot cavity Chip 3 is placed.
  • the length of the A-slot cavity is 7 mm
  • the length of the B-slot cavity is 7 mm
  • the length of the C-slot cavity is 13 mm
  • the length of the D-slot cavity is 8 mm.
  • the length of the antenna is shortened, and although the read/write sensitivity is lowered, the read/write performance is still reliable, and it can be applied to the manufacture of an RFID that does not require long-distance reading and writing. Labels, RFID paper and other products.

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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)
  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

A right-angled slit-type RFID tag antenna, which is characterized in that it comprises an aluminum foil antenna body (1), an antenna resonator cavity (2) is provided on the aluminum foil body (1), the antenna resonator cavity (2) is constituted by four slit-type cavity body, running from the outside to the inside, the four slit-type cavity bodies sequentially are a first segment (A), a second segment (B), a third segment (C), and a fourth segment (D), connected cavity bodies among the four slit-type cavity bodies are right-angled to each other, a chip (3) is provided on the first segment (A) slit-type cavity body, the first segment (A) slit-type cavity body is 7 millimeter in length, the second segment (B) slit-type cavity body is 7 millimeter in length, the third segment (C) slit-type cavity body is 13 millimeter in length, and the fourth segment (D) slit-type cavity body is 8 millimeter in length.

Description

一种直角缝隙式RFID射频标签天线Right angle slot type RFID radio frequency tag antenna 技术领域Technical field
本实用新型涉及一种直角缝隙式RFID射频标签天线。The utility model relates to a right angle slot type RFID radio frequency tag antenna.
背景技术Background technique
RFID射频天线制版工艺以化学蚀刻工艺为主，化学蚀刻工艺为主可以制作图形复杂的RFID射频天线。所以，目前在用的RFID射频天线图形十分复杂，不适合冲切法工艺制作，而化学蚀刻法制作成本高，污染严重，相对来讲，冲切法降低了成本和污染，故此需要为冲切工艺设计图形较为简单的射频天线。The RFID radio frequency plate making process is mainly based on a chemical etching process, and the chemical etching process can mainly produce a complicated RFID radio frequency antenna. Therefore, the RFID radio frequency antenna pattern currently used is very complicated and is not suitable for the punching process, and the chemical etching method has high manufacturing cost and serious pollution. Relatively speaking, the punching method reduces the cost and pollution, so it needs to be punched. The RF design of the process design is relatively simple.
实用新型内容Utility model content
本实用新型的目的是克服上述缺陷，提供一种直角缝隙式RFID射频标签天线，本实用新型需要解决的技术问题是：RFID射频标签天线图形简单，便于制作冲切模具，可以适用于冲切法制作，同时又具有较高的读写灵敏度。The purpose of the utility model is to overcome the above defects and provide a right angle slot type RFID radio frequency tag antenna. The technical problem to be solved by the utility model is that the RFID radio frequency tag antenna has a simple graphic and is convenient for making a punching die, and can be applied to a punching method. Produced, while having high read and write sensitivity.
本实用新型技术方案如下所述：The technical scheme of the utility model is as follows:
一种直角缝隙式RFID射频标签天线，其特征在于，它包括铝箔天线本体，在所述的铝箔天线本体上设置有天线谐振腔，所述的天线谐振腔由四段缝隙式腔体构成，所述的四段缝隙式腔体从外到内依次为第一段、第二段、第三段和第四段，所述四段缝隙式腔体中彼此相连的腔体呈直角，并且在第一段缝隙式腔体上设置有芯片。A right angle slot type RFID radio frequency tag antenna, characterized in that it comprises an aluminum foil antenna body, an antenna cavity is arranged on the aluminum foil antenna body, and the antenna cavity is composed of a four-segment slot cavity. The four-segment slit cavity is a first segment, a second segment, a third segment and a fourth segment from the outside to the inside, and the cavities connected to each other in the four-segment slit cavity are at right angles, and A chip is provided on a slit cavity.
所述第一段缝隙式腔体的长度为7毫米，第二段缝隙式腔体的长 度为7毫米，第三段缝隙式腔体的长度为13毫米，第四段缝隙式腔体的长度为8毫米。The length of the first section of the slit cavity is 7 mm, and the length of the second section of the slit cavity The length is 7 mm, the length of the third slit cavity is 13 mm, and the length of the fourth slit cavity is 8 mm.
根据上述结构及技术方案，本实用新型的有益效果在于：本实用新型天线外围与谐振腔图形简单，四段直角缝隙式谐振腔可以用冲切工艺制作，工艺简单，便于推广，同时又具有较高的读写灵敏度，适用于远距离读写的射频标签，如用于航空业的RFID行李标签、物流业的RFID标签、服装业的RFID吊牌等。According to the above structure and technical solution, the utility model has the advantages that the antenna of the utility model and the cavity of the resonant cavity are simple, and the four-segment right-angle slot type resonant cavity can be fabricated by a punching process, and the process is simple and convenient to promote, and at the same time, High reading and writing sensitivity, suitable for long-distance reading and writing of radio frequency tags, such as RFID baggage tags for the aviation industry, RFID tags for the logistics industry, RFID tags for the clothing industry, etc.
附图说明DRAWINGS
图1为现有技术射频天线放大后的结构示意图。FIG. 1 is a schematic structural view of a prior art RF antenna after amplification.
图2为本实用新型放大后的结构示意图。Figure 2 is a schematic view showing the structure of the utility model after being enlarged.
在图中：1、铝箔天线本体；2、天线谐振腔；3、芯片。In the figure: 1, aluminum foil antenna body; 2, antenna resonator; 3, chip.
具体实施方式detailed description
如图1所示，现有技术射频天线的缝隙谐振腔由A、B、C、D、E、F、G七段组成，其中A段的长度为5.5毫米，B段的长度为7.3毫米，C段的长度为6毫米，D段的长度为3.8毫米，E段的长度为7.5毫米，F段的长度为4.1毫米，G段的长度为8毫米，其芯片3设置在第三段，即C段处。As shown in FIG. 1 , the slot resonator of the prior art RF antenna is composed of seven segments A, B, C, D, E, F, and G, wherein the length of the A segment is 5.5 mm, and the length of the B segment is 7.3 mm. The length of the C segment is 6 mm, the length of the D segment is 3.8 mm, the length of the E segment is 7.5 mm, the length of the F segment is 4.1 mm, the length of the G segment is 8 mm, and the chip 3 is placed in the third segment, ie Section C.
如图2所示，本实用新型的直角缝隙式RFID射频标签天线，其特征在于，它包括铝箔天线本体1，在所述的铝箔天线本体1上设置有天线谐振腔2，所述的天线谐振腔1由四段缝隙式腔体构成，所述的四段缝隙式腔体从外到内依次为A段、B段、C段和D段，所述四段缝隙式腔体中彼此相连的腔体呈直角，并且在A段缝隙式腔体上设 置有芯片3。As shown in FIG. 2, the right angle slot type RFID radio frequency tag antenna of the present invention is characterized in that it comprises an aluminum foil antenna body 1, and an antenna resonator 2 is disposed on the aluminum foil antenna body 1, and the antenna resonance The cavity 1 is composed of a four-segment slit cavity, which is an A segment, a B segment, a C segment and a D segment from the outside to the inside, and the four segment slit cavities are connected to each other. The cavity is at right angles and is placed on the A-slot cavity Chip 3 is placed.
所述A段缝隙式腔体的长度为7毫米，B段缝隙式腔体的长度为7毫米，C段缝隙式腔体的长度为13毫米，D段缝隙式腔体的长度为8毫米。The length of the A-slot cavity is 7 mm, the length of the B-slot cavity is 7 mm, the length of the C-slot cavity is 13 mm, and the length of the D-slot cavity is 8 mm.
作为本实用新型的扩展应用，只要保留缝隙式谐振腔四段尺寸，将天线长度缩短，虽然读写灵敏度下降，但是仍然具有可靠的读写性能，可以适用于制作不需要远距离读写的RFID标签、RFID纸张等产品。 As an extended application of the utility model, as long as the four-segment size of the slot resonator is retained, the length of the antenna is shortened, and although the read/write sensitivity is lowered, the read/write performance is still reliable, and it can be applied to the manufacture of an RFID that does not require long-distance reading and writing. Labels, RFID paper and other products.

Claims (2)

  1. 一种直角缝隙式RFID射频标签天线，其特征在于，它包括铝箔天线本体，在所述的铝箔天线本体上设置有天线谐振腔，所述的天线谐振腔由四段缝隙式腔体构成，所述的四段缝隙式腔体从外到内依次为第一段、第二段、第三段和第四段，所述四段缝隙式腔体中彼此相连的腔体呈直角，并且在第一段缝隙式腔体上设置有芯片。A right angle slot type RFID radio frequency tag antenna, characterized in that it comprises an aluminum foil antenna body, an antenna cavity is arranged on the aluminum foil antenna body, and the antenna cavity is composed of a four-segment slot cavity. The four-segment slit cavity is a first segment, a second segment, a third segment and a fourth segment from the outside to the inside, and the cavities connected to each other in the four-segment slit cavity are at right angles, and A chip is provided on a slit cavity.
  2. 根据权利要求1所述的直角缝隙式RFID射频标签天线，其特征还在于，所述第一段缝隙式腔体的长度为7毫米，第二段缝隙式腔体的长度为7毫米，第三段缝隙式腔体的长度为13毫米，第四段缝隙式腔体的长度为8毫米。 The right angle slot type RFID radio frequency tag antenna according to claim 1, wherein the length of the first segment slot cavity is 7 mm, and the length of the second slot slot cavity is 7 mm, third The length of the slotted cavity is 13 mm, and the length of the fourth slotted cavity is 8 mm.
PCT/CN2015/072891 2014-07-15 2015-02-12 Right-angled slit-type rfid tag antenna WO2016008305A1 (en)

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CN201420388974.7 2014-07-15
CN201420388974.7U CN203950336U (en) 2014-07-15 2014-07-15 A kind of right angle clearance type RFID radio-frequency label antenna

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203950336U (en) * 2014-07-15 2014-11-19 深圳市骄冠科技实业有限公司 A kind of right angle clearance type RFID radio-frequency label antenna
CN104993234B (en) * 2015-07-20 2019-05-21 陕西烽火电子股份有限公司 A kind of electronic label antenna and electronic mark board

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102129600A (en) * 2011-03-11 2011-07-20 江苏中科方盛信息科技有限公司 Method for designing ultra-high frequency radio frequency identification (RFID) label applied to identification of carton of cigarettes and label
CN203180075U (en) * 2013-04-10 2013-09-04 成都摩宝网络科技有限公司 RFID tag antenna based on asymmetric slit
WO2014047211A1 (en) * 2012-09-19 2014-03-27 Wireless Research Development Pentaband antenna
CN203950336U (en) * 2014-07-15 2014-11-19 深圳市骄冠科技实业有限公司 A kind of right angle clearance type RFID radio-frequency label antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102129600A (en) * 2011-03-11 2011-07-20 江苏中科方盛信息科技有限公司 Method for designing ultra-high frequency radio frequency identification (RFID) label applied to identification of carton of cigarettes and label
WO2014047211A1 (en) * 2012-09-19 2014-03-27 Wireless Research Development Pentaband antenna
CN203180075U (en) * 2013-04-10 2013-09-04 成都摩宝网络科技有限公司 RFID tag antenna based on asymmetric slit
CN203950336U (en) * 2014-07-15 2014-11-19 深圳市骄冠科技实业有限公司 A kind of right angle clearance type RFID radio-frequency label antenna

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