CN215987358U

CN215987358U - RFID silicon rubber washing label

Info

Publication number: CN215987358U
Application number: CN202121983875.XU
Authority: CN
Inventors: 陶国华
Original assignee: Shanghai Huayuan Electronics Co ltd
Current assignee: Shanghai Huayuan Electronics Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-08
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an RFID silicon rubber washing label which comprises a copper antenna of an FPC substrate and a QFN packaged UHF chip, wherein the QFN packaged UHF chip and the copper antenna are electrically connected to form a passive radio frequency identification function inlay, and the copper antenna of the FPC substrate and the passive radio frequency identification function inlay formed by the QFN packaged UHF chip are packaged in a silicon rubber vulcanization shell to realize silica gel curing protection. According to the utility model, the chip is fully encapsulated in the silicon rubber vulcanized shell after the copper antenna of the FPC substrate and the UHF chip epoxy protection of the QFN encapsulation are carried out, so that the chip becomes an independent inlay, and the stability of RFIDINlay in severe physical and chemical environments can be obviously improved and protected due to the high sealing property and high strength protection of the silicon rubber vulcanized shell, so that the RFID washing label can better adapt to the requirements of washing environments such as high temperature, high pressure, strong stretching, high twisting force, strong corrosivity and the like.

Description

RFID silicon rubber washing label

Technical Field

The utility model relates to the technical field of washing labels, in particular to an RFID silicon rubber washing label.

Background

At present, hotels, hospitals, bathing places and professional washing companies are faced with the procedures of handing over, washing, ironing, finishing, storing and the like of thousands of fabrics, and by sewing RFID tags in clothes for tracking and positioning, the specific position and state of each piece of clothes can be mastered, and additional information such as the use times, the replacement period and the like can be known at a glance, so that the management work of the clothes and the like is more efficient and accurate.

At present, RFID labels on the market cannot adapt to washing environments such as high temperature, high pressure, high distortion force, strong corrosiveness and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an RFID silicon rubber washing label to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the RFID silicone rubber washing label comprises a copper antenna of an FPC (flexible printed circuit) substrate and a QFN (quad Flat No-lead) packaged UHF (ultra high frequency) chip, wherein the QFN packaged UHF chip and the copper antenna are electrically connected to form a passive radio frequency identification function inlay, the passive radio frequency identification function inlay formed by the copper antenna of the FPC substrate and the QFN packaged UHF chip is packaged in a silicone rubber vulcanization shell, and the position of the QFN packaged UHF chip is protected by curing adhesive.

Preferably, the silicon rubber vulcanized shell is made of an international standard non-toxic silicon rubber material. And the corrosion of moisture, solvent and washing chemicals in the washing process is isolated.

Preferably, the RFID silicone rubber washing label conforms to ISO18000-6 or EPC Class 1Gen2 standard, and the frequency reading and writing range is 860-960 Mhz.

Preferably, the data reading distance of the RFID silicon rubber washing label can reach 6 meters.

Preferably, the copper antenna is formed on an FPC substrate.

Preferably, the RFID silicon rubber washing label can be designed to be corresponding in size according to needs.

Preferably, the silicone rubber vulcanized housing can be any color and silicone rubber hardness.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the copper antenna of the FPC substrate and the UHF chip position packaged by the QFN are protected by the curing adhesive and then are completely packaged in the silicon rubber vulcanized shell to form the independent inlay, and the silicon rubber vulcanized shell has high airtightness and high strength, so that the stability of the RFID inlay under severe physical and chemical impact can be obviously improved, the RFID washing label can be more suitable for washing environments such as high temperature and high pressure, high distortion force, strong corrosivity and the like, and the washing performance and the service life of the RFID washing label are improved.

2. According to the utility model, the copper antenna of the FPC substrate and the QFN packaged UHF chip are directly packaged in the silicon rubber vulcanized shell, so that the production process is simplified, the whole inlay can be produced in a full-automatic manner, the production cost is reduced, the production speed is increased, and the applicability is better.

Drawings

FIG. 1 is a top cross-sectional view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention.

In the figure: 1. a QFN packaged UHF chip; 2. an FPC base material; 3. a silicone rubber vulcanization shell; 4. a copper antenna.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-2, the present invention provides a technical solution: an RFID silicon rubber washing label comprises an FPC (flexible printed circuit) substrate 2+ a copper antenna 4, wherein the copper antenna 4 is arranged on the FPC substrate 2, a QFN (quad flat no-lead) packaged UHF (ultra high frequency) chip 1 is protected by a high-performance epoxy material and is electrically connected with the copper antenna 4 on the FPC substrate 2; the silicone rubber vulcanization shell 3 is an inlay packaging silicone rubber vulcanization shell 3 which is formed by packaging a copper antenna of an FPC substrate and a QFN packaging UHF chip 1 into a whole and has an RFID function, the copper antenna 4 on the FPC substrate 2 and the QFN packaging UHF chip 1 are protected by curing adhesive, high-temperature high-pressure impact in the silicone rubber vulcanization process is protected, the curing adhesive can be designed for epoxy protection, and the packaging body of the QFN packaging UHF chip 1 can resist high temperature, mechanical stretching, distortion, extrusion and other severe use environment requirements in the industrial washing process. The size of product is fit for less installation space 55X12X1.6mm as the example, but does not limit specification and size, and silicon rubber vulcanization casing is very frivolous to make whole appearance corresponding diminish, the soft gap department of installing at cloth grass and clothing of hiding more easily, thereby the no sensation effect when promoting the user to use reaches fine comfort level, and the product can be according to the customer requirement and make various specifications. The flexibility and the durability of the product are not high. The industrial washing resistance frequency of the product is improved from 50 to 200, the performance of the product is basically kept unchanged after the product is used for multiple times, the copper antenna 4 on the FPC substrate 2 and the UHF chip 1 packaged by QFN are protected by packaging epoxy, and the product can normally work at-20 to 90 ℃ for a long time, continuously work at 150 ℃ for 30 minutes, continuously work at 190 ℃ for 5 minutes and work at 210 ℃ for 20 seconds due to the use of high temperature resistant, high pressure resistant and silicon rubber vulcanized shell 3 materials; meanwhile, the product can resist the erosion of detergent, softening agent, bleaching powder and basic group, so that the industrial conventional washing is carried out for more than 200 times, and the 60bar squeezing washing is carried out for more than 150 times, which basically covers all industrial washing application scenes, and the silicon rubber vulcanization shell 3 is made of international standard non-toxic silicon rubber materials, so that the product is more green, environment-friendly and safe and is completely harmless to human bodies. The fabric is not damaged, the UHF chip 1 connected with the QFN package and arranged on the copper antenna 4 of the FPC base material 2 is packaged on the FPC through SMT, curing glue epoxy protection is carried out at the chip position, and the ultra-far reading (6 m) of the UHF RFID data meets the ISO/IEC 18000-6 standard and the EPC Class 1Gen2 standard. The frequency read-write range is 860-960 Mhz.

The working principle is as follows: the RFID silicon rubber washing label can be installed in various modes such as sewing and hanging, has stable and reliable remote reading and group reading functions, can be widely applied to the fields of industrial washing management, linen lease management, uniform management and washing management, work clothes lease and washing management, hotel linen and washing management, hospital linen and washing management, military clothing management, railway linen management and washing management, police clothing management, personnel management, fire-fighting clothing and soft material management, access control management, other industries needing soft and pressure resistance and the like, and has good applicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a RFID silicon rubber washing label, this RFID silicon rubber washing label includes FPC substrate's copper antenna and QFN encapsulated UHF chip, QFN encapsulated UHF chip and copper antenna electric connection form passive radio frequency identification function inlay, its characterized in that: and the copper antenna of the FPC substrate and the passive radio frequency identification function inlay formed by the QFN packaged UHF chip are packaged in the silicon rubber vulcanization shell to realize the curing protection of the silicon rubber.

2. The RFID silicone rubber washing label of claim 1, wherein: the silicon rubber vulcanization shell is made of a non-toxic silicon rubber material.

3. The RFID silicone rubber washing label of claim 1, wherein: the RFID silicon rubber washing label meets ISO18000-6 standard or EPC Class 1Gen2 standard, and the passive frequency working range is 860-960 Mhz.

4. The RFID silicone rubber washing label of claim 1, wherein: the data reading of the RFID silicon rubber washing label reaches 6 meters.

5. The RFID silicone rubber washing label of claim 1, wherein: the copper antenna is formed on the FPC substrate by etching.

6. The RFID silicone rubber washing label of claim 1, wherein: the RFID silicon rubber washing label is designed to have a corresponding size according to needs.

7. The RFID silicone rubber washing label of claim 1, wherein: the silicon rubber vulcanized shell is any color and silicon rubber hardness.