CN216871230U

CN216871230U - No PET substrate washing mark RFID label

Info

Publication number: CN216871230U
Application number: CN202220152735.6U
Authority: CN
Inventors: 彭志伟; 张�林
Original assignee: Guangdong Zhongshifa Intelligent Technology Co ltd
Current assignee: Guangdong Zhongshifa Intelligent Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-01
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of radio frequency tags, in particular to a PET-substrate-free wash label RFID tag, which comprises an inlay layer, surface ribbon cloth and bottom ribbon cloth, wherein the inlay layer comprises an insulated base fabric, a tag antenna and a tag chip, the tag antenna is formed on the base fabric by weaving conductive yarns, a conductive contact is formed on the base fabric, and the tag chip is in electric conduction with the tag antenna through the conductive contact; the surface ribbon cloth and the bottom surface ribbon cloth are compounded on two sides of the inlay layer through glue layers; according to the utility model, the tag antenna is formed by weaving the conductive yarns on the base fabric, and surface ribbon cloth and bottom ribbon cloth are compounded on two sides, so that the softness is increased and the water washing resistance is improved.

Description

No PET substrate washing mark RFID label

Technical Field

The utility model relates to the technical field of radio frequency tags, in particular to a PET-substrate-free washing label RFID tag.

Background

The RFID (Radio Frequency Identification) electronic tag has been used by a small number of textile and clothing enterprises to monitor the production and circulation processes of goods in real time, for example, the traditional wash label of the clothing is replaced with an electronic tag with RFID Radio Frequency Identification, because the RFID electronic tag can realize the advantages of non-contact, long distance, obstacle-crossing, reading and writing, etc. However, the existing RFID tag usually uses a hard film material such as PET (polyethylene terephthalate) as a substrate, does not meet the application requirement of flexibility, is not suitable for carrying in the whole life cycle of textile products, and scrapes the skin when worn to make the body feel uncomfortable, thereby causing the application of the electronic tag in the field of clothing and textile to be limited.

Disclose an anti-fake water mark of washing in chinese patent CN210270966U, with upper strata mark body, hyperfrequency RFID chip and lower floor mark through sticky sealed between the body, realize carrying out effective anti-fake long distance discernment in can carrying on again to the product to improve anti-fake water mark of washing's multi-functional integrated level, this is comparatively simple traditional structure, and current water mark of washing RFID label adopts this kind of structure usually, because the existence of the PET substrate in the RFID chip, leads to the flexibility relatively poor, and the comfort level of wearing is not high.

The utility model also discloses a radio frequency label without a PET film and a manufacturing process thereof in Chinese invention patent CN109228535A, the PET film is separated by utilizing heat transfer processing to obtain the radio frequency label without a PET substrate, the method is applied to the field of textile fabrics to obtain the washable label RFID label which is soft, skin-friendly and high in comfort level, but because the radio frequency antenna is formed by adopting a mode of punching or die cutting the antenna fin from an aluminum foil, the size of the line is small, the washing resistance is extremely poor, and the radio frequency antenna can be broken and loses the reading capability after one-time washing usually.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention aims to overcome the defects in the prior art, and provide a label RFID tag without a PET substrate, in which conductive yarns are woven on a base fabric to form a tag antenna, and surface ribbon cloth and bottom ribbon cloth are compounded on two sides, so that softness is increased and water washing resistance is improved.

The PET-free base material washing label RFID tag comprises an inlay layer, surface ribbon cloth and bottom surface ribbon cloth, wherein the inlay layer comprises an insulating base fabric, a tag antenna and a tag chip, the tag antenna is formed on the base fabric by weaving conductive yarns, a conductive contact is formed on the base fabric, and the tag chip is in electric conduction with the tag antenna through the conductive contact; the surface ribbon cloth and the bottom surface ribbon cloth are compounded on two sides of the inlay layer through glue layers.

Further, the tag chip and the conductive contact are combined through conductive adhesive.

Further, the joint of the tag chip and the tag antenna is provided with a reinforcing coating layer.

Furthermore, the surface ribbon cloth and the bottom surface ribbon cloth are sewn in the areas where the tag chips and the conductive contacts are located to enhance the combination.

Further, the conductive yarn is metal fiber wrapped yarn.

Further, the base fabric is an elastic fabric.

Further, the surface ribbon cloth and the bottom surface ribbon cloth are both waterproof fabrics, and the adhesive layer is waterproof adhesive.

The utility model has the beneficial effects that: the label RFID label without the PET substrate is made of fabric serving as a substrate material, does not have the traditional PET substrate, is better in softness, is formed into a label antenna with conductive yarns serving as a raw material on the substrate fabric through weaving, and is better in mechanical damage resistance compared with a traditional label antenna made of a pure metal wire formed through printing, winding, etching or cutting, so that the label RFID label is more resistant to water washing.

Drawings

The utility model is further described below with reference to the following figures and examples:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural diagram of an inlay layer according to the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention.

Description of reference numerals: the tag comprises an inlay layer 100, a base fabric 101, a tag antenna 102, a tag chip 103, a conductive contact 104, a conductive adhesive 105, a reinforcing coating layer 106, a surface ribbon cloth 200, a bottom ribbon cloth 300 and an adhesive layer 400.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the label RFID tag without PET substrate comprises an inlay layer 100, a surface ribbon cloth 200 and a bottom ribbon cloth 300, the inlay layer 100 includes an insulating base fabric 101, a tag antenna 102 formed on the base fabric 101, and a tag chip 103, the tag antenna 102 is woven from conductive yarn, one way being in the form of embroidery, the conductive yarn is used as embroidery silk for automatic embroidery, the pattern of the antenna is directly formed on the base fabric 101 which is used as a base material, and a point position for mounting the tag chip 103 is reserved, and another way is to use a pattern fabric which is formed into an antenna in advance by spinning, and then attach it to the base fabric 101, in the practical implementation process, the first mode is simple to operate and high in feasibility, and the produced tag antenna 102 is better combined with the substrate fabric 101.

In order to realize the electrical conduction between the tag antenna 102 and the tag chip 103, a conductive contact 104 is formed at a reserved point of the tag antenna 102 by welding or printing conductive silver paste, the tag chip 103 is packaged on the conductive contact 104 through a conductive adhesive 105, and finally, the surface ribbon cloth 200 and the bottom surface ribbon cloth 300 are composited on two layers of the inlay layer 100 through an adhesive layer 400 to serve as external protection.

In another embodiment, in order to reduce the influence of the water-washable label after soaking on the electrical properties of the base fabric 101, the surface ribbon cloth 200 and the bottom ribbon cloth 300 are preferably replaced with waterproof fabrics, such as nylon fabrics with waterproof coatings, and the waterproof glue is selected as the glue layer 400 for bonding, so that the inlay layer 100 in the center is completely isolated from water.

The washing water mark RFID label of above-mentioned structure is owing to do not have the PET substrate among the traditional RFID label, therefore the compliance is better, more is close compound surface fabric.

The base fabric 101 is preferably an elastic fabric.

In carrying out the washing experiment process to the washing mark RFID label that has above-mentioned structure, the discovery adopts the electrically conductive yarn to weave the tag antenna 102 who forms to have fine resistant washing ability.

In this embodiment, a reinforcing coating layer 106 is disposed at a joint of the tag chip 103 and the tag antenna 102 to reinforce a bonding force between the tag chip 103, the conductive contact 104, the conductive yarn, and the base fabric 101, the reinforcing coating layer 106 preferably completely covers the joint of the tag chip 103 and the conductive contact 104, the material of the reinforcing coating layer 106 is silica gel, latex, or epoxy resin, and the surface ribbon cloth 200 and the bottom surface ribbon cloth 300 are further bonded in a sewing manner in an area where the tag chip 103 and the conductive contact 104 are located to further fix the tag chip and the conductive contact, so as to prevent bridge failure of the chip caused by mechanical force during washing.

In prior art, the kind of electrically conductive yarn is many, in this embodiment, electrically conductive yarn adopts metal fiber fasciated yarn to fabric fiber is the heart yearn, externally spiral fasciated metal fiber, compares in the mode that adopts the wire, and metal fiber fasciated yarn has the ability of better offsetting stress at washing mark twist reverse the in-process.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a no PET substrate washing mark RFID label, includes inlay layer, surface ribbon cloth and bottom surface ribbon cloth, its characterized in that: the inlay layer comprises an insulating substrate fabric, a tag antenna and a tag chip, wherein the tag antenna is formed by weaving conductive yarns, a conductive contact is formed on the substrate fabric, and the tag chip is in electric conduction with the tag antenna through the conductive contact; the surface ribbon cloth and the bottom surface ribbon cloth are compounded on two sides of the inlay layer through glue layers.

2. The PET-substrate-free wash label RFID tag according to claim 1, wherein: the tag chip and the conductive contact are combined through conductive adhesive.

3. The PET-substrate-free wash label RFID tag according to claim 1, wherein: the joint of the tag chip and the tag antenna is provided with a reinforcing coating layer.

4. The PET-free substrate washing label RFID tag according to claim 3, wherein: and the surface ribbon cloth and the bottom surface ribbon cloth are sewn in the areas where the tag chip and the conductive contacts are positioned to enhance the combination.

5. The PET-free substrate washing label RFID tag according to claim 1, wherein: the conductive yarn is metal fiber wrapped yarn.

6. The PET-free substrate washing label RFID tag according to claim 1, wherein: the base fabric is elastic fabric.

7. The PET-substrate-free water-washable label RFID tag according to any one of claims 1-6, wherein: the surface ribbon cloth and the bottom ribbon cloth are both waterproof fabrics, and the adhesive layer is waterproof adhesive.