Patent Application
20230196055
This application claims priority to Chinese Patent Application No. 202010470302.0, filed with the CNIPA on 28 May 2020 and entitled “RFID Tag and Processing Method for RFID Tag”.
The present invention relates to the technical field of tire, and in particular, to an RFID tag and a processing method for an RFID tag.
RFID (radio frequency identification) is a non-contact automatic identification technology, which automatically identifies a target object by means of a radio frequency signal and acquires relevant data. The identification work does not need manual intervention, and can work in various harsh environments. The RFID technology can identify high-speed moving objects and can identify a plurality of chips at the same time, and the operation is quick and convenient. An RFID system is composed of three parts: 1. an RFID tag, which is composed of a substrate, an antenna and a chip; 2. a reader, a device for reading and writing RFID tag information; 3. a read/write antenna for transmitting a radio frequency signal between the RFID tag and the reader. The above-mentioned system is widely used in rubber products for recording relevant information.
During specific installation and use, a substrate and an antenna in an RFID system are superimposed and welded together, and then are implanted into a rubber product; however, the rubber product is deformed during manufacturing and use, and the phenomenon of deflection and deformation of a structure occurs, which results in that the connection between the antenna and the substrate is not reliable, and separation easily occurs; however, after the antenna is separated from the substrate, a reader cannot read information about the rubber product, which is very inconvenient.
The main purpose of some embodiments of the present invention is to provide an RFID tag and a processing method for an RFID tag, so as to solve the problem in the related art that the connection between a substrate and an antenna in an RFID tag is unreliable.
In order to achieve the described object, according to one embodiment of the present invention, provided an RFID tag, which is applied to a rubber product. The RFID tag includes: a substrate, a chip and an antenna, wherein the chip is arranged on the substrate, and a predetermined code is provided on the chip so as to enable a reader to identify; the antenna is in a communication connection with the chip so as to transmit a radio frequency signal between the chip and the reader; a connecting part is further provided on the substrate, the connecting part is a connecting hole or a connecting groove, and the antenna is connected to the substrate through the connecting part.
In an implementation mode, there are a plurality of connecting parts, there are a plurality of antennas, and the plurality of antennas are connected to the plurality of connecting parts in one-to-one correspondence.
In an implementation mode, there are two connecting parts, the two connecting parts are respectively provided at two 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, and the other end of the antenna extends in a direction away from the chip.
In an implementation mode, a clamping part is provided at one side of the connecting part, and a connecting end is provided at one end of the antenna, wherein the connecting end is inserted into the connecting part, and the clamping part is configured for positioning the connecting end in the connecting part.
In an implementation mode, the antenna is a spiral structure, the clamping part is an inclined plane, and the inclined plane and the spiral structure are connected to stop the connecting end within the connecting portion.
In an implementation mode, the inclined surface is provided on a side of the connecting part away from the chip.
In an implementation mode, the first side surface is provided at one end of the substrate close to the inclined surface, and the first side surface is arranged parallel to the inclined surface.
In an implementation mode, a distance between the inclined plane and the first side surface is less than or equal to a pitch of the antenna.
In an implementation mode, one end of the antenna is provided with a connecting end, and the connecting end is inserted in the connecting part and is welded to the substrate.
In an implementation mode, the antenna is a spiral structure, and the antenna further includes a signal transmission part, wherein the signal transmission part is configured for transmitting a radio frequency signal, and a pitch of the connecting end is different from a pitch of the signal transmission part.
According to another embodiment of the present invention, provided a processing method for an RFID, including: S1: placing a substrate on a prefabricated mold for fixing, and brushing solder paste on a solder plate of the substrate; S2: mounting a chip on the solder plate, and fixing one end of an antenna in a connecting part of a substrate, wherein the connecting part is a connecting hole or a connecting groove; S3: welding the chip on the substrate, and welding the antenna on the substrate; S4: removing the substrate from the prefabricated mold.
Further, there are a plurality of substrates in S1, and a plurality of mounting grooves are provided on the prefabricated mold, wherein the plurality of substrates are arranged in corresponding mounting grooves in one-to-one correspondence for fixing.
Further, S1 further includes: S11, after each substrate is fixed on the prefabricated mold, covering a screen plate on the prefabricated mold, wherein the screen plate has a plurality of avoidance grooves, and the plurality of avoidance grooves and the plurality of mounting grooves are provided in one-to-one correspondence, so as to wipe the corresponding substrate with the solder paste through the avoidance grooves on the screen plate.
The RFID tag in the present invention is mainly applied to a rubber product such as a tire and a conveyor belt. The RFID tag is inserted into the rubber product and is configured for recording some information of the rubber product. The RFID tag specifically includes a substrate, a chip and an antenna. The chip and the antenna are respectively arranged on the substrate. The chip includes a chip. The chip is provided with a unique predetermined code, so that a reader identifies information of the tire according to the predetermined code. The antenna is configured for transmitting information of the chip, and at the same time facilitates the reader to read the information of the chip. In the present invention, a connecting part is arranged on a substrate structure, the antenna penetrates through the connecting part and is connected to the substrate, a part of the antenna penetrating through the connecting part is located above the substrate, and a part of the antenna is located below the substrate. This connection manner is more stable than a form of being directly welded on the surface of the substrate before. The part of the antenna is arranged in a hole, increasing the tensile resistance of the antenna, reducing the thickness of the whole RFID tag, and facilitating installation. By means of the described arrangement, the problem in the related art that a substrate in an RFID tag is not reliably connected to an antenna is solved.
The accompanying drawings, which form a part of the present invention, are configured for providing a further understanding of the present invention. The schematic embodiments and illustrations of the present invention are configured for explaining the present invention, and do not form improper limits to the present invention. In the drawings:
The figures include the following reference signs:
10: substrate; 11: connecting part; 12: first side surface; 111: clamping part; 20: chip; 30: antenna; 31: connecting end; 32: signal transmission section.
It is important to note that the embodiments of the present disclosure and the characteristics in the embodiments can be combined under the condition of no conflicts. The present disclosure will be described below with reference to the drawings and embodiments in detail.
The present invention provides an RFID tag, which is applied to a rubber product such as a tire and a conveyor belt. Referring to
The RFID tag in the present invention is mainly applied to a tyre. The RFID tag is inserted into the tyre to record some information about the tyre. Specifically, the RFID tag includes a substrate, a chip and an antenna, wherein the chip and the antenna are respectively arranged on the substrate; the chip includes a chip; the chip is provided with a unique predetermined code so that a reader can identify information about the tyre according to the predetermined code; the antenna is configured for transmitting the information of the chip, and at the same time, the reader can read the information about the chip. The substrate structure in the present invention is provided with a connecting part 11; the antenna penetrates through the connecting part and is connected to the substrate; a part of the antenna penetrates through the connecting part and is located above the substrate; and a part of the antenna is located below the substrate. This connection manner is more stable than the form of being directly welded on the surface of the substrate before; and the part of the antenna is arranged in a hole, increasing the tensile property of the antenna, reducing the thickness of the whole RFID tag, and facilitating installation. By means of the described arrangement, the problem in the related art that a substrate in an RFID tag is not reliably connected to an antenna is solved..
There are a plurality of connecting parts 11; there are a plurality of antennas 30; and the plurality of antennas 30 are connected to the plurality of connecting parts 11 in one-to-one correspondence.
There are two connecting parts 11, the two connecting parts 11 are respectively arranged at two opposite ends of a substrate 10, and a chip 20 is located on the substrate 10 between the two connecting parts 11, wherein one end of an antenna 30 is connected to the connecting part 11, and the other end of the antenna 30 extends in a direction away from the chip 20.
As shown in
One side of the connecting part 11 is provided with a clamping part 111, and one end of the antenna 30 is provided with a connecting end 31, wherein the connecting end 31 is inserted in the connecting part 11, and the clamping part 111 is configured for positioning the connecting end 31 in the connecting part 11. The antenna 30 is of a spiral structure, the clamping part 111 is an inclined plane, and the inclined plane and the spiral structure are connected to stop the connecting end 31 within the connecting part 11.
As shown in
Preferably, the connecting part is a right-angled trapezoidal hole; during installation, an end part of the antenna is opposite to a right-angled side of the right-angled trapezoidal hole; then, the antenna extends towards an oblique side direction of the right-angled trapezoidal hole; and during installation, the rotation direction of the antenna is consistent with the direction of the oblique side. In this way, the antenna can be conveniently installed, and at the same time, the pitch of each part of the antenna structure is protected to be consistent as far as possible, so as to prevent the antenna at the joint from being propped open and damage the structure of the antenna.
The inclined surface is provided at a side of the connecting part 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.
As shown in
The distance between the inclined surface and the first side surface 12 is not more than a pitch of the antenna 30.
As shown in
One end of the antenna 30 is provided with a connecting end 31, and the connecting end 31 is inserted in the connecting part 11 and is connected to the substrate 10 by welding.
As shown in
The antenna 30 is of a spiral structure, and the antenna 30 further includes a signal transmission part 32, wherein the signal transmission part 32 is configured for transmitting a radio frequency signal, and the screw pitch at the connecting end 31 is different from the screw pitch at the signal transmission part 32.
Optionally, in this embodiment, the screw pitch of the connecting end is smaller than that of the signal transmission part 32, so that the connecting end is clamped in the connecting hole.
The present invention also provides processing method for an RFID tag, including: S1: placing a substrate 10 on a prefabricated mold for fixing, and brushing a solder paste on a solder plate of the substrate 10; S2: mounting a chip 20 on a solder plate, and fixing one end of an antenna 30 in a connecting part 11 of a substrate 10, wherein the connecting part 11 is a connecting hole or a connecting groove; S3: welding the chip 20 on the substrate 10, and welding the antenna 30 on the substrate 10; S4: removing the substrate 10 from the prefabricated mold.
The processing method for an RFID tag of the present invention includes:
In S1, there are a plurality of substrates 10, and the prefabricated mold is provided with a plurality of mounting grooves, wherein the substrates 10 are arranged in the corresponding mounting grooves in one-to-one correspondence for fixing.
S1 further includes: S11: after each substrate 10 is fixed onto a prefabricated mold, covering a screen plate on the prefabricated mold, wherein the screen plate has a plurality of avoidance grooves, and the plurality of avoidance grooves and the plurality of mounting grooves are provided in one-to-one correspondence, so that a tin paste is printed on the corresponding substrate 10 through the avoidance grooves on the screen plate.
The size of a corresponding accommodating groove on the screen plate is less than the size of the mounting groove.
The present invention also provides a tire, including a tire body and an RFID tag, wherein the RFID tag is provided inside the tire body, and the RFID tag is the described RFID tag.
The present invention further provides a tire. The tire is provided with the described RFID tag therein.
In addition, as shown in
Preferably, the connecting groove is a C-shaped groove.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
The RFID tag of the present invention includes an IC chip; two ends of a substrate carrying the IC chip are perforated; the width of an aperture is equivalent to or slightly wider than the outer diameter of an antenna, so as to facilitate insertion of one end of the antenna into a hole; the angle of an edge of the substrate is consistent with the direction of an antenna pitch line clamped on the upper edge of the substrate; the pitch of the antenna welding end is designed to enable a part of the pitch of the antenna welding end to be clamped at the opening of the screen plate bearing the RFID chip. In this way, the antennas at the two ends are clamped on the substrate, and the RFID tag pulling force is increased by welding (or in other manners). Meanwhile, the antenna sinks into the connecting part of the substrate, the overall thickness of the RFID tag is equal to the outer diameter of the antenna, and the thickness is obviously reduced.
The RFID tag of the present invention has a reduced thickness, and can be applied to thin rubber products, such as semi-steel tires; by means of structural changes, the pulling force of the RFID tag is improved, and the robustness of the RFID tag is enhanced.
As shown in
| Number | Date | Country | Kind |
|---|---|---|---|
| 202010470302.0 | May 2020 | CN | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/CN2021/087822 | 4/16/2021 | WO |
