阅读说明：本技术 一种新型无源超高频射频洗涤标签 (Novel passive ultrahigh frequency radio frequency washing label ) 是由 陶国华 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种新型无源超高频射频洗涤标签,包括壳体,还包括UHF RFID碳纤维天线,UHF RFID近场天线加芯片transponder模块,所述UHF RFID碳纤维天线和UHF RFID近场天线位于壳体内。本发明,改变以往UHF天线的金属材料,变成非金属的碳纤维材料,可以实现柔软,轻质,高强度,抗氧化抗化学腐蚀,耐高温200摄氏度以上、抗摩擦、导电、导热及耐腐蚀等特性,很好满足工业洗涤的恶劣工作环境。性能比一般的不锈钢丝更卓越。实现所述无源UHF RFID洗涤标签的洗涤性能和使用寿命的提升。(The invention discloses a novel passive ultrahigh frequency washing label, which comprises a shell, a UHF RFID carbon fiber antenna, a UHF RFID near field antenna and a chip transponder module, wherein the UHF RFID carbon fiber antenna and the UHF RFID near field antenna are positioned in the shell. The invention changes the metal material of the traditional UHF antenna into the non-metal carbon fiber material, can realize the characteristics of softness, light weight, high strength, oxidation resistance, chemical corrosion resistance, high temperature resistance of more than 200 ℃, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, and can well meet the severe working environment of industrial washing. The performance is more excellent than that of the common stainless steel wire. The washing performance and the service life of the passive UHF RFID washing label are improved.)

1. A novel passive ultrahigh-frequency radio frequency washing tag comprises a shell and is characterized by further comprising a UHF RFID carbon fiber antenna and a UHF RFID near field antenna and chip transponder module, wherein the UHF RFID carbon fiber antenna and the UHF RFID near field antenna are located in the shell.

2. The novel passive uhf rf washing tag of claim 1, wherein: the shell comprises an upper-layer blended fabric coated with hot melt adhesive and a lower-layer blended fabric coated with hot melt adhesive, wherein the upper-layer blended fabric coated with hot melt adhesive and the lower-layer blended fabric coated with hot melt adhesive are bonded.

3. The novel passive uhf rf washing tag of claim 1, wherein: the size of the area of the upper layer of the blended fabric layer coated with the hot melt adhesive can be changed.

4. The novel passive uhf rf washing tag of claim 1, wherein: the UHF RFID near field antenna and chip transponder module is placed in a symmetrical center circular coil formed by the UHF RFID carbon fiber antenna, and the shape and size of the UHF RFID near field antenna can be adjusted to meet various electrical property requirements.

5. The novel passive uhf rf washing tag of claim 1, wherein: the shell is rectangular, the side length range of the shell is 3.0-3.6mm, and the thickness range of the shell is 0.7-0.9 mm.

6. The novel passive uhf rf washing tag of claim 1, wherein: the UHF RFID near-field antenna and chip transponder module is coupled with the far-field antenna, and the far-field antenna is arranged around the shell.

7. The novel passive UHF RF washing tag of claim 6, wherein: the fabric comprises two layers of base cloth which are arranged in a stacked mode, and the far-field antenna is arranged between the two layers of base cloth.

8. The novel passive UHF RF washing tag of claim 6, wherein: the far field antenna is made of 180-250 strands of stainless steel wire.

9. The novel passive UHF RF washing tag of claim 6, wherein: the fabric comprises a single-layer base fabric, and the far-field antenna is arranged on the fabric.

10. The novel passive UHF RF washing tag of claim 6, wherein: the UHF RFID carbon fiber antenna is a flat UHF RFID carbon fiber antenna or a round UHF RFID carbon fiber antenna.

Technical Field

The invention relates to the technical field of long-distance radio frequency identification linen and clothing, in particular to a novel passive ultrahigh frequency radio frequency washing label.

Background

Replace current metal antenna with new non-metallic material, more soft, higher physical strength, the damage of metal to the clothing is avoided to no metal, avoids examining needle equipment erroneous judgement, improves the life of label greatly.

The new technology upgrade of the existing stainless steel linen washing label;

the invention relates to a passive wireless radio frequency UHFRFID washing label using carbon fiber as an antenna, which is characterized in that the antenna of the label is made of non-metallic carbon fiber material, the structural strength and the high temperature resistance are realized, and the chemical corrosion capability is greatly improved. The structure includes: the passive UHFRFID near-field radio frequency module (composed of a passive UHFRFID chip module and a copper etching near-field antenna which are electrically conducted) is placed in a circular ring at the center of the UHF antenna composed of carbon fibers, and under the UHF frequency electric field, the UHFRFID data communication is realized through capacitive coupling.

The multi-strand carbon fiber antenna is required to be encapsulated to prevent allergic reaction of a human body to carbon fibers, the encapsulated carbon fiber antenna can be fixed on a blended fabric substrate through hot ironing or jacquard fixing, and can realize capacitive coupling with a UHF near field module in the middle of the carbon fiber antenna in an electroless conduction manner to realize remote communication of more than 5 meters (under 30 dbm).

Disclosure of Invention

The invention aims to provide a novel passive ultrahigh frequency radio frequency washing label to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a novel passive ultrahigh-frequency radio frequency washing label comprises a shell and further comprises an UHFRFID (ultra high frequency radio frequency identification) carbon fiber antenna and an UHFRFID near-field antenna chip transponder module, wherein the UHFRFID carbon fiber antenna and the UHFRFID near-field antenna are located in the shell.

Preferably, the shell comprises an upper layer of blended fabric coated with hot melt adhesive and a lower layer of blended fabric coated with hot melt adhesive, and the upper layer of blended fabric coated with hot melt adhesive and the lower layer of blended fabric coated with hot melt adhesive are bonded.

Preferably, the size of the area of the upper layer of the blended fabric layer coated with the hot melt adhesive can be changed.

Preferably, the UHFRFID near-field antenna and the chip transponder module are placed in a symmetrical center circular coil formed by the UHFRFID carbon fiber antenna, and the shape and the size of the UHFRFID near-field antenna can be adjusted to meet various electrical performance requirements.

Preferably, the shell is rectangular, the side length range of the shell is 3.0-3.6mm, and the thickness range of the shell is 0.7-0.9 mm.

Preferably, the fabric further comprises a far-field antenna which is connected and arranged on the fabric, the shell is arranged in the middle of the far-field antenna, the UHFRFID near-field antenna and chip transponder module is coupled with the far-field antenna, and the far-field antenna is arranged around the shell.

Preferably, the fabric comprises two base fabrics which are arranged in an overlapped mode, and the far-field antenna is arranged between the two base fabrics.

Preferably, the far field antenna is made of 180-250 strands of stainless steel wire.

Preferably, the UHFRFID carbon fiber antenna is a flat UHFRFID carbon fiber antenna or a round UHFRFID carbon fiber antenna.

Compared with the prior art, the invention has the beneficial effects that:

the invention changes the metal material of the traditional UHF antenna into the non-metal carbon fiber material, can realize the characteristics of softness, light weight, high strength, oxidation resistance, chemical corrosion resistance, high temperature resistance of more than 200 ℃, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, and can well meet the severe working environment of industrial washing. The performance is more excellent than that of the common stainless steel wire. The washing performance and the service life of the passive UHFRFID washing label are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. UHFRFID carbon fiber antenna; 2. UHFRFID near-field antenna and chip transponder module; 3. the lower layer is coated with the blended fabric of the hot melt adhesive; 4. the upper layer is coated with the blended fabric of the hot melt adhesive.

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, the present invention provides a technical solution: a novel passive ultra high frequency radio frequency washing tag comprising:

UHFRFID carbon fiber antenna 1; a UHFRFID near-field antenna and chip transponder module 2; the upper layer and the lower layer of the blended fabric 3 coated with the hot melt adhesive and the upper layer of the blended fabric 4 coated with the hot melt adhesive are relatively integrated through the hot melt adhesive, and the area size of the upper layer of the blended fabric 4 coated with the hot melt adhesive can be changed.

The passive UHFRFID antenna adopts the UHFRFID carbon fiber antenna 1 to replace all metal antennas on the existing market. The UHFRFID near-field antenna and chip transponder module 2 is fixed in a circular coil at the center of the UHFRFID carbon fiber antenna 1, no electric contact is caused, and communication with identification of an UHF radio frequency card reader antenna is realized by more than five meters in a capacitive coupling mode.

The UHFRFID near-field antenna and chip transponder module 2 is placed in a symmetrical center circular coil formed by the UHFRFID carbon fiber antenna 1, and the shape and size of the UHFRFID carbon fiber antenna 1 can be adjusted to meet various electrical performance requirements.

The shell is rectangular, the side length range is 3.0-3.6mm, and the thickness range is 0.7-0.9 mm.

The shell side length may be 3.51mm and the thickness 0.78 mm.

The passive UHFRFID washing label also comprises fabric and a far-field antenna connected and arranged on the fabric, wherein the shell is arranged in the middle of the far-field antenna, and the UHFRFID near-field antenna and the chip transponder module 2 are coupled with the far-field antenna.

The housing is disposed in a middle position of the fabric, and the far-field antenna is surrounded outside the housing.

The fabric is arranged in two layers in a stacked arrangement with the far field antenna disposed between the two layers of base fabric, or the fabric is arranged in one layer with the far field antenna disposed on the base fabric.

The far field antenna is made of 180 and 250 strands of stainless steel wire.

The form of the UHFRFID carbon fiber antenna 1 in this patent comprises:

1, a flat UHFRFID carbon fiber antenna;

2, a round UHFRFID carbon fiber antenna;

the form of the uhf rfid carbon fiber antenna 1 on the substrate may comprise:

the UHFRFID carbon fiber antenna 1 protected by encapsulation is fixed in a jacquard pattern mode;

the flat UHFRFID carbon fiber antenna is composed according to the antenna design and is fixed on the flexible film, the other layer of film and the UHFRFID near-field antenna and chip transponder module 2 are sealed between the two layers of materials in a hot lamination synthesis mode, and the relative positions of the flat UHFRFID carbon fiber antenna and the UHFRFID near-field antenna and chip transponder module 2 are fixed.

The UHFRFID near-field antenna and chip transponder module 2 of the tag of the invention can be:

the FPC near-field copper antenna is electrically conducted through an UHFRFID chip packaged by SMT and QFN, and is protected by epoxy curing adhesive;

the chip is directly packaged into a square or round copper antenna with the length of 2-3mm, and the copper antenna is packaged into a cubic module with the side length of 2,0-3.5mm and the thickness of 0.6-1.5.

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 invention, the scope of which is defined in the appended claims and their equivalents.