WO2021238497A1 - Rfid标签及其加工方法 - Google Patents

Rfid标签及其加工方法 Download PDF

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Publication number
WO2021238497A1
WO2021238497A1 PCT/CN2021/087822 CN2021087822W WO2021238497A1 WO 2021238497 A1 WO2021238497 A1 WO 2021238497A1 CN 2021087822 W CN2021087822 W CN 2021087822W WO 2021238497 A1 WO2021238497 A1 WO 2021238497A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
antenna
rfid tag
chip
connecting portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/087822
Other languages
English (en)
French (fr)
Inventor
董兰飞
姚永
陈海军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mesnac Co Ltd
Qingdao Highway Lot Technology Co Ltd
Original Assignee
Mesnac Co Ltd
Qingdao Highway Lot Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mesnac Co Ltd, Qingdao Highway Lot Technology Co Ltd filed Critical Mesnac Co Ltd
Priority to KR1020227039746A priority Critical patent/KR102773798B1/ko
Priority to EP21812429.5A priority patent/EP4160480A4/en
Priority to AU2021277932A priority patent/AU2021277932B2/en
Priority to JP2022563970A priority patent/JP7492604B2/ja
Priority to US17/928,069 priority patent/US12210925B2/en
Publication of WO2021238497A1 publication Critical patent/WO2021238497A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/07758—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 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
    • G06K19/07764—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 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag the adhering arrangement making the record carrier attachable to a tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06K19/0772—Physical layout of the record carrier
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/0772—Physical layout of the record carrier
    • G06K19/07724—Physical layout of the record carrier the record carrier being at least partially made by a molding process
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/07758—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 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06K19/07775—Antenna details the antenna being on-chip
    • 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
    • H01Q1/2241—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 or for vehicle tyres

Definitions

  • This application relates to the technical field of tires, and specifically to an RFID tag and a processing method thereof.
  • RFID radio frequency identification: radio frequency identification
  • RFID technology can identify high-speed moving objects and can identify multiple chips at the same time, and the operation is quick and convenient.
  • the RFID system consists of three parts: 1. A tag, which is composed of a substrate, an antenna, and a chip; 2. A reader, a device that reads and writes tag information; 3. A read and write antenna, which transmits radio frequency signals between the tag and the reader. The above system is widely used in rubber products to record relevant information.
  • the substrate and the antenna in the RFID system are superimposed and welded together, and then implanted in the rubber product.
  • the rubber product will be deformed during the manufacturing and use, and structural deflection and deformation will occur.
  • the connection between the antenna and the substrate is unreliable and easy to separate. Once the antenna and the substrate are separated, the reader cannot read the information of the rubber product, which is very inconvenient.
  • the main purpose of this application is to provide an RFID tag and a processing method thereof, so as to solve the problem of unreliable connection between the substrate and the antenna in the RFID tag in the prior art.
  • an RFID tag which is applied to rubber products.
  • the RFID tag includes: a substrate, a chip, and an antenna.
  • the chip is arranged on the substrate, and the chip has a predetermined code to Enable the reader to identify; the antenna is connected to the chip in communication to transmit radio frequency signals between the chip and the reader; wherein a connection part is also provided on the substrate, and the connection part is a connection hole or a connection groove, and the antenna is connected to the chip through the connection part.
  • Board connection is also provided on the substrate, and the connection part is a connection hole or a connection groove, and the antenna is connected to the chip through the connection part.
  • the two connecting parts are respectively disposed on opposite ends of the substrate, and the chip is located on the substrate between the two connecting parts, wherein one end of the antenna is connected to the connecting part. Connect, the other end of the antenna extends in the direction away from the chip.
  • connection part is provided with a clamping part
  • one end of the antenna is provided with a connection end, wherein the connection end is inserted in the connection part, and the clamping part is used to position the connection end at Inside the connection.
  • the antenna has a spiral structure
  • the clamping portion is an inclined surface
  • the inclined surface is connected with the spiral structure to stop the connecting end in the connecting portion.
  • the inclined surface is provided on a side of the connecting portion away from the chip.
  • an end of the substrate close to the inclined surface is provided with a first side surface, and the first side surface is arranged parallel to the inclined surface.
  • the distance between the inclined surface and the first side surface is less than or equal to the pitch of the antenna.
  • one end of the antenna is provided with a connecting end, and the connecting end is inserted in the connecting part and connected to the substrate by welding.
  • the antenna has a spiral structure, and the antenna further includes a signal transmission part for transmitting radio frequency signals, wherein the pitch at the connection end is different from the pitch at the signal transmission part.
  • an RFID label processing method including: S1: placing a substrate on a prefabricated mold for fixing, and brushing solder paste on the pads of the substrate; S2: mounting the chip to the soldering On the disk, and fix one end of the antenna in the connection part of the substrate, where the connection part is connected to the hole or groove; S3: solder the chip on the substrate, and solder the antenna on the substrate; S4: remove the substrate from the prefabricated mold Remove.
  • the prefabricated mold has a plurality of mounting grooves, and each of the substrates is arranged in the corresponding mounting groove for fixing in a one-to-one correspondence.
  • S1 also includes: S11: after each substrate is fixed to the prefabricated mold, the screen is covered on the prefabricated mold, wherein the screen has a plurality of avoidance grooves, and the plurality of avoidance grooves correspond to the plurality of installation grooves one-to-one The ground is set to brush the solder paste on the corresponding substrate through the avoiding groove on the screen.
  • the RFID tag to which the technical solution of the present application is applied is mainly used in rubber products such as tires and conveyor belts.
  • the RFID tag is inserted into the rubber product to record some information of the rubber product.
  • the RFID tag includes a substrate, Chip and antenna, wherein the chip and antenna are respectively arranged on the substrate, the chip includes a chip, the chip is provided with a unique predetermined code, so that the reader can identify the information of the tire according to the predetermined code, and the antenna is used to transmit the information on the chip At the same time, it is convenient for the reader to read the information of the chip.
  • the substrate structure of this application is provided with a connection part, the antenna passes through the connection part and is connected to the substrate.
  • connection method is more stable than the previous form of directly soldering on the surface of the substrate.
  • the antenna part is set in the hole, which increases the tensile resistance of the antenna, and reduces the thickness of the entire RFID tag, which is convenient for installation.
  • the solution is solved by the above setting. This solves the problem of unreliable connection between the substrate and the antenna in the tag in the prior art.
  • Fig. 1 shows a schematic structural diagram of a first view angle in an embodiment of an RFID tag according to the present application
  • Fig. 2 shows a schematic structural diagram of a second view angle in an embodiment of the RFID tag of the present application
  • FIG. 3 shows a schematic diagram of the substrate structure in an embodiment in which the RFID tag connection part of the present application is a connection hole;
  • Figure 4 shows a schematic diagram of the antenna structure in an embodiment of the RFID tag of the present application
  • FIG. 5 shows a schematic diagram of the substrate structure in an embodiment in which the connecting portion of the RFID tag of the present application is a connecting groove.
  • the RFID tag includes a substrate 10, a chip 20, and an antenna 30.
  • the chip 20 is disposed on the substrate 10, wherein, There is a predetermined code on the chip 20 to enable the reader to identify; the antenna 30 is communicatively connected with the chip 20 for transmitting radio frequency signals between the chip 20 and the reader; wherein, a connecting portion 11 is also provided on the substrate 10 to connect The portion 11 is a connecting hole or a connecting groove, and the antenna 30 is connected to the substrate 10 through the connecting portion 11.
  • the RFID tag in this application is mainly used in tires.
  • the RFID tag is inserted in the tire to record some information of the tire.
  • the RFID tag includes a substrate, a chip, and an antenna, wherein the chip and the antenna are respectively provided On the substrate, the chip includes a chip, and the chip is provided with a unique predetermined code so that the reader can identify the information of the tire according to the predetermined code.
  • the antenna is used to transmit the information on the chip, and at the same time, it is convenient for the reader to read the information of the chip.
  • the substrate structure of the present application is provided with a connection part 11, the antenna passes through the connection part and is connected to the substrate. After the antenna passes through the connection part, a part is located above the substrate, and another part is located below the substrate.
  • connection method is directly soldered to The form of the substrate surface is more stable.
  • the antenna part is arranged in the hole, which increases the tensile resistance of the antenna and reduces the thickness of the entire RFID tag, which is convenient for installation.
  • the above arrangement solves the problem of the substrate in the label in the prior art. Unreliable connection with the antenna.
  • the chip 20 is located on the substrate 10 between the two connecting parts 11, wherein one end of the antenna 30 is connected to the connecting part 11, and the antenna 30 is connected to the connecting part 11.
  • the other end of the 30 extends in a direction away from the chip 20.
  • the chip is arranged in the middle of the substrate.
  • the two connecting parts are symmetrically arranged on both sides of the chip.
  • the connecting parts are arranged close to the edge of the substrate to facilitate the connection with the antenna.
  • One end of the antenna is set in the connection part, and the other end extends in the direction away from the chip.
  • part of the thickness of the antenna coincides with part of the thickness of the substrate.
  • One side of the connecting portion 11 is provided with a clamping portion 111, one end of the antenna 30 is provided with a connecting end 31, wherein the connecting end 31 is inserted into the connecting portion 11, and the clamping portion 111 is used to position the connecting end 31 at the connecting portion Within 11.
  • the antenna 30 has a spiral structure, the clamping portion 111 is an inclined surface, and the inclined surface is mated and connected with the spiral structure to stop the connecting end 31 in the connecting portion 11.
  • a clamping portion 111 is provided on one side wall of the connecting portion for positioning the part of the antenna located in the connecting portion in the connecting portion to prevent separation.
  • the connecting portion is a right-angled trapezoidal hole.
  • the end of the antenna is opposite to the right-angled side of the right-angled trapezoidal hole, and then the antenna extends toward the oblique side of the right-angled trapezoidal hole.
  • the rotation and the oblique side of the antenna during installation The direction of the antenna should be kept consistent, so as to facilitate the installation of the antenna, while protecting the pitch of each part of the antenna structure to be as consistent as possible to prevent the antenna at the connection from being stretched and damaging the antenna structure.
  • the inclined surface is provided on the side of the connecting portion 11 away from the chip 20.
  • One end of the substrate 10 close to the inclined surface is provided with a first side surface 12, and the first side surface 12 is arranged parallel to the inclined surface.
  • the inclined surface in this embodiment is arranged on the side close to the edge of the substrate to facilitate the mating connection with the antenna.
  • the first side surface 12 is arranged parallel to the inclined surface. In this way, the thickness of the substrate between the first side surface and the inclined surface can be ensured as much as possible, so that the antenna can be precisely clamped here and will not be deformed without external force.
  • the distance between the inclined surface and the first side surface 12 is less than or equal to the pitch of the antenna 30.
  • the thickness of the substrate between the inclined surface and the first side surface should be as small as possible than the pitch of the antenna, so that the antenna is Stretch it out to reduce deformation.
  • One end of the antenna 30 is provided with a connecting end 31, and the connecting end 31 is inserted into the connecting portion 11 and connected to the substrate 10 by welding.
  • one end of the antenna is provided with a connection end specially inserted into the connection part.
  • the shape of the connection end matches the shape of the connection part.
  • the antenna 30 has a helical structure, and the antenna 30 further includes a signal transmission part 32 for transmitting radio frequency signals, wherein the pitch at the connection end 31 is different from the pitch at the signal transmission part 32.
  • the pitch of the connecting end in this embodiment is smaller than the pitch of the signal transmission portion 32, so that the connecting end is clamped in the connecting hole.
  • This application also provides an RFID label processing method, including: S1: placing the substrate 10 on a prefabricated mold for fixing, and brushing solder paste on the pads of the substrate 10; S2: mounting the chip 20 on the pads , And fix one end of the antenna 30 in the connecting portion 11 of the substrate 10, wherein the connecting portion has 11 connecting holes or grooves; S3: solder the chip 20 on the substrate 10, and solder the antenna 30 on the substrate 10; S4: Remove the substrate 10 from the prefabricated mold.
  • the RFID tag processing method of this application includes:
  • each substrate 10 in S1 There are a plurality of substrates 10 in S1, and the prefabricated mold has a plurality of installation grooves, wherein each substrate 10 is arranged in the corresponding installation groove for fixing in a one-to-one correspondence.
  • S1 also includes: S11: After each substrate 10 is fixed to the prefabricated mold, the screen is covered on the prefabricated mold, wherein the screen has a plurality of avoidance grooves, and the plurality of avoidance grooves and the plurality of installation grooves are arranged in one-to-one correspondence. , To brush the solder paste on the corresponding substrate 10 through the avoiding groove on the screen.
  • the size of the corresponding avoidance slot on the screen is smaller than the size of the installation slot.
  • the present application also provides a tire, which includes a tire body and an RFID tag, the RFID tag is arranged inside the tire body, and the RFID tag is the above-mentioned RFID tag.
  • the application also provides a tire, which is provided with the above-mentioned RFID tag.
  • the substrate is not limited to providing a connection hole to connect to the antenna, and a connection groove can also be used instead, and the connection groove is provided at the edge of the substrate.
  • the connecting groove is a C-shaped groove.
  • the RFID tag of the present application includes an IC chip. Both ends of the substrate carrying the IC chip are perforated.
  • the width of the aperture is equal to or slightly wider than the outer diameter of the antenna, so that one end of the antenna can be inserted into the hole.
  • the antenna pitch line keeps the same direction; the pitch of the antenna welding end is designed to clamp a part of the pitch of the antenna welding end to the opening of the board that carries the RFID chip. In this way, the antennas at both ends will be stuck on the substrate. After welding (or other methods), the pulling force of the tag is increased. At the same time, the antenna sinks into the connection part of the substrate.
  • the overall thickness of the RFID tag is equal to the outer diameter of the antenna, and the thickness decreases significantly.
  • the electronic label of the present application has a reduced label thickness and can be applied to thinner rubber products, such as semi-steel tires; through structural changes, the label tension is improved and the label robustness is enhanced.
  • the label packaging described in this application is not limited to a cylindrical packaging form.
  • the internal pins adopt a bolt-shaped structure to increase the firmness of the pins; the material of the pins should be ductile and malleable.
  • the conductor, antenna structure can be wound into a spiral or folded into a triangle or other shapes as needed.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Aerials (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • General Factory Administration (AREA)

Abstract

一种RFID标签及其加工方法，RFID标签主要应用于橡胶产品中，RFID标签包括：基板(10)；芯片(20)，芯片(20)设置在基板(10)上，其中，芯片(20)上具有预定编码，以使阅读器进行识别；天线(30)，天线(30)与芯片(20)通信连接，以用于在芯片(20)和阅读器之间传递射频信号；其中，基板(10)上还设有连接部(11)，天线(30)通过连接部(11)与基板(10)连接。RFID标签解决了现有技术中的标签中的基板(10)和天线(30)连接不可靠的问题。

Description

RFID标签及其加工方法
本申请要求于2020年5月28日提交至中国国家知识产权局、申请号为202010470302.0、发明名称为“RFID标签及其加工方法”的专利申请的优先权。
技术领域
本申请涉及轮胎技术领域，具体而言，涉及一种RFID标签及其加工方法。
背景技术
RFID(射频识别：radio frequency identification)是一种非接触式的自动识别技术，它通过射频信号自动识别目标对象并获取相关数据，识别工作无须人工干预，可工作于各种恶劣的环境。RFID技术可识别高速运动物体并可同时识别多个芯片，操作快捷方便。RFID系统由三部分组成：1、标签，由基板、天线及芯片组成；2、阅读器，读写标签信息的设备；3、读写天线，在标签和读取器间传递射频信号。上述系统广泛应用在橡胶产品中，以用于记录相关信息。
在具体安装使用时，将RFID系统中的基板和天线叠加焊接在一起，然后植入到橡胶产品内，然而橡胶产品在制造和使用中都会发生形变，出现结构的挠曲和形变现象，这就导致天线与基板之间的连接并不可靠，容易发生分离，而一但天线和基板分离后，则阅读器无法读取橡胶产品的信息，十分不便。
发明内容
本申请的主要目的在于提供一种RFID标签及其加工方法，以解决现有技术中的RFID标签中的基板和天线连接不可靠的问题。
为了实现上述目的，根据本申请的一个方面，提供了一种RFID标签，应用于橡胶产品中，RFID标签包括：基板、芯片和天线，芯片设置在基板上，其中，芯片上具有预定编码，以使阅读器进行识别；天线与芯片通信连接，以用于在芯片和阅读器之间传递射频信号；其中，基板上还设有连接部，连接部为连接孔或连接槽，天线通过连接部与基板连接。
在本申请的一个可选实施例中，连接部为多个，天线为多个，多个天线与多个连接部一一对应地连接。
在本申请的一个可选实施例中，连接部为两个，两个连接部分别设置在基板的相对两端，芯片位于两个连接部之间的基板上，其中，天线的一端与连接部连接，天线的另一端沿远离芯片的方向延伸设置。
在本申请的一个可选实施例中，连接部的一侧设有卡接部，天线的一端设有连接端，其中，连接端插设在连接部内，卡接部用于将连接端定位在连接部内。
在本申请的一个可选实施例中，天线为螺旋结构，卡接部为倾斜面，倾斜面与螺旋结构配合连接以将连接端止挡在连接部内。
在本申请的一个可选实施例中，倾斜面设置在连接部远离芯片的一侧。
在本申请的一个可选实施例中，基板靠近倾斜面的一端设有第一侧面，第一侧面与倾斜面平行地设置。
在本申请的一个可选实施例中，倾斜面与第一侧面之间的距离小于等于天线的螺距。
在本申请的一个可选实施例中，天线的一端设有连接端，连接端插设在连接部内，并与基板焊接连接。
在本申请的一个可选实施例中，天线为螺旋结构，天线还包括信号传输部，信号传输部用于传递射频信号，其中，连接端处的螺距与信号传输部处的螺距不同。
根据本申请的另一方面，提供了一种RFID标签加工方法，包括：S1：将基板放置到预制模具上进行固定，并在基板的焊盘上刷抹锡膏；S2：将芯片安装到焊盘上，并将天线的一端固定在基板的连接部内，其中，连接部位连接孔或连接槽；S3：将芯片焊接在基板上，并将天线焊接在基板上；S4：将基板从预制模具上取下。
进一步地，S1中的基板为多个，预制模具上具有多个安装槽，其中，各个基板一一对应地设置在相应地安装槽内以进行固定。
进一步地，S1还包括：S11：在各个基板固定到预制模具上后，将网板覆盖在预制模具上，其中，网板具有多个避让槽，多个避让槽与多个安装槽一一对应地设置，以通过网板上的避让槽对相应地基板刷抹锡膏。
应用本申请的技术方案的RFID标签主要应用于在轮胎、输送带等橡胶产品中，该RFID标签插设在橡胶产品内以用于记载该橡胶产品的一些信息，具体的该RFID标签包括基板、芯片和天线，其中，芯片和天线分别设置在基板上，芯片包括芯片，芯片上设有唯一的预定编码，以便于阅读器根据该预定编码识别该轮胎的信息，天线用于传递芯片上的信息，同时便于阅读器读取芯片的信息，本申请的基板结构上设有连接部，天线穿过连接部与基板连接，天线穿过连接部后一部分位于基板的上方，还有一部分位于基板的下方，这种连接方式比之前直接焊接在基板表面的形式更加稳定，天线的部分设置在孔内，增加了天线的抗拉性，且减小了整个RFID标签的厚度，便于安装，通过上述设置解决了现有技术中的标签中的基板和天线连接不可靠的问题。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了根据本申请的RFID标签的实施例中第一视角结构示意图；
图2示出了本申请的RFID标签的实施例中第二视角结构示意图；
图3示出了本申请的RFID标签连接部为连接孔实施例中基板结构示意图；
图4示出了本申请的RFID标签的实施例中天线结构示意图；
图5示出了本申请的RFID标签的连接部为连接槽实施例中基板结构示意图。
其中，上述附图包括以下附图标记：
10、基板；11、连接部；12、第一侧面；111、卡接部；20、芯片；30、天线；31、连接端；32、信号传输部。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
本申请提供了一种RFID标签，应用于轮胎、输送带等橡胶产品中，请参考图1至图5，RFID标签包括基板10、芯片20和天线30，芯片20设置在基板10上，其中，芯片20上具有预定编码，以使阅读器进行识别；天线30与芯片20通信连接，以用于在芯片20和阅读器之间传递射频信号；其中，基板10上还设有连接部11，连接部11为连接孔或连接槽，天线30通过连接部11与基板10连接。
本申请中的RFID标签主要应用于在轮胎中，该RFID标签插设在轮胎内以用于记载该轮胎的一些信息，具体的该RFID标签包括基板、芯片和天线，其中，芯片和天线分别设置在基板上，芯片包括芯片，芯片上设有唯一的预定编码，以便于阅读器根据该预定编码识别该轮胎的信息，天线用于传递芯片上的信息，同时便于阅读器读取芯片的信息，本申请的基板结构上设有连接部11，天线穿过连接部与基板连接，天线穿过连接部后一部分位于基板的上方，还有一部分位于基板的下方，这种连接方式比之前直接焊接在基板表面的形式更加稳定，天线的部分设置在孔内，增加了天线的抗拉性，且减小了整个RFID标签的厚度，便于安装，通过上述设置解决了现有技术中的标签中的基板和天线连接不可靠的问题。
连接部11为多个，天线30为多个，多个天线30与多个连接部11一一对应地连接。
连接部11为两个，两个连接部11分别设置在基板10的相对两端，芯片20位于两个连接部11之间的基板10上，其中，天线30的一端与连接部11连接，天线30的另一端沿远离芯片20的方向延伸设置。
如图1和图3所示，本实施例中在基板的中间部位设置芯片，芯片的两侧对称地设置上述两个连接部，连接部靠近基板的边缘设置，从而方便与天线进行连接，天线的一端设置在连接部内，另一端朝着远离芯片的方向延伸，在基板的厚度方向上，天线插设在连接部内后，天线的部分厚度与基板的部分厚度重合，相比现有技术中天线直接焊接在基板表面的结构更加薄，连接部的设置也使的基板更加轻。
连接部11的一侧设有卡接部111，天线30的一端设有连接端31，其中，连接端31插设在连接部11内，卡接部111用于将连接端31定位在连接部11内。天线30为螺旋结构，卡接部111为倾斜面，倾斜面与螺旋结构配合连接以将连接端31止挡在连接部11内。
如图3所示，连接部的一侧侧壁上设有卡接部111，以用于将天线位于连接部内的部分定位在连接部内，防止脱离。
优选地，连接部为直角梯形孔，在安装时，天线的端部与直角梯形孔的直角边相对，然后天线朝着直角梯形孔的斜边方向延伸，在安装时天线的旋向与斜边的方向要保持一致，这样能够便于安装天线，同时保护天线结构各个部分的螺距尽可能一致，防止连接处的天线被撑开，损坏天线的结构。
倾斜面设置在连接部11远离芯片20的一侧。基板10靠近倾斜面的一端设有第一侧面12，第一侧面12与倾斜面平行地设置。
如图3所示，本实施例中的倾斜面设置在靠近基板边缘的一侧，便于与天线进行配合连接，优选地，为了尽可能方便天线安装，将第一侧面12与倾斜面平行地设置，这样能够尽可能保证第一侧面与倾斜面之间的基板厚度一致，从而使的天线能够恰好卡接在此处，在没有外力的情况下不发生变形。
倾斜面与第一侧面12之间的距离小于等于天线30的螺距。
如图3和图4所示，为了保证天线在不受拉伸外力的时候不发生形变，将倾斜面与第一侧面之间基板的厚度尽可能的小于天线的螺距，从而方式天线此处被撑开，减小变形。
天线30的一端设有连接端31，连接端31插设在连接部11内，并与基板10焊接连接。
如图4所示，本实施例中在天线在一端设置有专门插设在连接部内的连接端，连接端的形状与连接部的形状相匹配，天线的端部设置为平面以便与连接部的一侧抵接，当天线的连接端插设在连接部内后，将天线与基板接触的部位焊接固定，保证连接端不会脱离连接部。
天线30为螺旋结构，天线30还包括信号传输部32，信号传输部32用于传递射频信号，其中，连接端31处的螺距与信号传输部32处的螺距不同。
可选地，本实施例中连接端处的螺距小于信号传输部32处的螺距，以便连接端卡接在连接孔内。
本申请还提供了一种RFID标签加工方法，包括：S1：将基板10放置到预制模具上进行固定，并在基板10的焊盘上刷抹锡膏；S2：将芯片20安装到焊盘上，并将天线30的一端固定在基板10的连接部11内，其中，连接部11位连接孔或连接槽；S3：将芯片20焊接在基板10上，并将天线30焊接在基板10上；S4：将基板10从预制模具上取下。
本申请的RFID标签加工方法包括：
1)将该基板拼板后固定到预制模具上，使用相应的网板，在焊盘处刷抹均匀锡膏；
2)将刷完锡膏后的基板通过SMT设备，自动摆放芯片；
3)通过手动或自动设备将天线摆放到固定位置，使用预制模具下压，保证天线卡在连接孔或连接槽内；
4)通过回流焊使锡膏充分融化，将芯片、基板、天线有效固定；
5)通过预制模具进行分板，得到独立的RFID电子标签。
S1中的基板10为多个，预制模具上具有多个安装槽，其中，各个基板10一一对应地设置在相应地安装槽内以进行固定。
S1还包括：S11：在各个基板10固定到预制模具上后，将网板覆盖在预制模具上，其中，网板具有多个避让槽，多个避让槽与多个安装槽一一对应地设置，以通过网板上的避让槽对相应地基板10刷抹锡膏。
网板上对应的避让槽的尺寸小于安装槽的尺寸。
本申请还提供了一种轮胎，包括轮胎本体和RFID标签，RFID标签设置在轮胎本体内部，RFID标签为上述的RFID标签。
本申请还提供了一种轮胎，该轮胎内设有上述的RFID标签。
此外，如图5所示，基板上不限于设置连接孔与天线进行连接，也可以采用连接槽等同代替，连接槽设置在基板的边缘位置处。
优选地，连接槽为C形槽。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：
本申请的RFID标签，标签包括IC芯片，承载IC芯片的基板两端做穿孔，孔径宽度与天线外径相当或稍宽，以方便天线的一端插入孔内，基板边缘的角度与卡在其上边的天线螺距线保持方向一致；天线焊接端的螺距设计成能将天线焊接端的一部分螺距卡到承载RFID芯片的板子的开孔处。这样，两端天线将卡在基板上，经过焊接(或其它方式)，标签拉力提升，同时，天线沉到基板的连接部内，RFID标签的总体厚度等于天线外径，厚度降低明显。
本申请电子标签，标签厚度降低，可应用于较薄的橡胶产品中，例如半钢轮胎；通过结构改变，提高标签拉力，增强标签鲁棒性。
如图2和图3所示，本申请描述的标签封装不限于圆柱体的封装形式，内部引脚采用栓形结构，目的是增加引脚的牢固性；引脚材料应是延展性和可塑性良好的导体，天线结构可根据需要缠绕成螺旋状或折成三角状或其他形状。

Claims (13)

  1. 一种RFID标签，应用于轮胎结构中，其特征在于，所述RFID标签包括：
    基板(10)；
    芯片(20)，所述芯片(20)设置在所述基板(10)上，其中，所述芯片(20)上具有预定编码，以使阅读器进行识别；
    天线(30)，所述天线(30)与所述芯片(20)通信连接，以用于在所述芯片(20)和所述阅读器之间传递射频信号；
    其中，所述基板(10)上还设有连接部(11)，所述连接部(11)为连接孔或连接槽，所述天线(30)通过所述连接部(11)与所述基板(10)连接。
  2. 根据权利要求1所述的RFID标签，其特征在于，所述连接部(11)为多个，所述天线(30)为多个，多个所述天线(30)与多个所述连接部(11)一一对应地连接。
  3. 根据权利要求1所述的RFID标签，其特征在于，所述连接部(11)为两个，两个所述连接部(11)分别设置在所述基板(10)的相对两端，所述芯片(20)位于两个所述连接部(11)之间的所述基板(10)上，其中，所述天线(30)的一端与所述连接部(11)连接，所述天线(30)的另一端沿远离所述芯片(20)的方向延伸设置。
  4. 根据权利要求1所述的RFID标签，其特征在于，所述连接部(11)的一侧设有卡接部(111)，所述天线(30)的一端设有连接端(31)，其中，所述连接端(31)插设在所述连接部(11)内，所述卡接部(111)用于将所述连接端(31)定位在所述连接部(11)内。
  5. 根据权利要求4所述的RFID标签，其特征在于，所述天线(30)为螺旋结构，所述卡接部(111)为倾斜面，所述倾斜面与所述螺旋结构配合连接以将所述连接端(31)止挡在所述连接部(11)内。
  6. 根据权利要求5所述的RFID标签，其特征在于，所述倾斜面设置在所述连接部(11)远离所述芯片(20)的一侧。
  7. 根据权利要求6所述的RFID标签，其特征在于，所述基板(10)靠近所述倾斜面的一端设有第一侧面(12)，所述第一侧面(12)与所述倾斜面平行地设置。
  8. 根据权利要求7所述的RFID标签，其特征在于，所述倾斜面与所述第一侧面(12)之间的距离小于等于所述天线(30)的螺距。
  9. 根据权利要求1所述的RFID标签，其特征在于，所述天线(30)的一端设有连接端(31)，所述连接端(31)插设在所述连接部(11)内，并与所述基板(10)焊接连接。
  10. 根据权利要求9所述的RFID标签，其特征在于，所述天线(30)为螺旋结构，所述天线(30)还包括信号传输部(32)，所述信号传输部(32)用于传递射频信号，其中，所述连接端(31)处的螺距与所述信号传输部(32)处的螺距不同。
  11. 一种RFID标签加工方法，其特征在于，包括：
    S1：将基板(10)放置到预制模具上进行固定，并在所述基板(10)的焊盘上刷抹锡膏；
    S2：将芯片(20)安装到焊盘上，并将天线(30)的一端固定在所述基板(10)的连接部(11)内，其中，所述连接部(11)位连接孔或连接槽；
    S3：将芯片(20)焊接在所述基板(10)上，并将所述天线(30)焊接在所述基板(10)上；
    S4：将所述基板(10)从所述预制模具上取下。
  12. 根据权利要求11所述的RFID标签加工方法，其特征在于，所述S1中的所述基板(10)为多个，所述预制模具上具有多个安装槽，其中，各个所述基板(10)一一对应地设置在相应地所述安装槽内以进行固定。
  13. 根据权利要求12所述的RFID标签加工方法，其特征在于，所述S1还包括：
    S11：在各个所述基板(10)固定到所述预制模具上后，将网板覆盖在所述预制模具上，其中，所述网板具有多个避让槽，多个所述避让槽与多个所述安装槽一一对应地设置，以通过所述网板上的避让槽对相应地所述基板(10)刷抹锡膏。
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